feat(274): name the モトツ pair with a slash in the transect subtitles

モトツ橋にモトツシェルター -> モトツ橋 / モトツシェルター, matching the two nodes the visualiser lights side by side on the road. The rest of the diff is Aegisub's saved cursor position. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u
feat(274): render at 60 fps, with all timing in seconds
2026-09-30 01:29:15 +09:00 · 2026-09-30 01:29:15 +09:00 · 2026-09-30 01:29:13 +09:00 · 2026-09-18 02:00:29 +09:00 · 2026-09-18 02:00:29 +09:00 · 2026-09-18 02:00:29 +09:00
28 changed files with 3085 additions and 0 deletions
@@ -6,6 +6,7 @@
  "license": "UNLICENSED",
  "dependencies": {
    "@remotion/cli": "4.0.522",
    "@remotion/media-utils": "4.0.522",
    "@remotion/tailwind-v4": "4.0.522",
    "react": "19.2.3",
    "react-dom": "19.2.3",
@@ -12,3 +12,6 @@ Config.setRspack(true);
 Config.setVideoImageFormat("jpeg");
 Config.setOverwriteOutput(true);
 Config.overrideBundlerConfig(enableTailwind);
 // Song branch: staticFile() paths resolve inside the song folder, so compositions
 // read audio/, fonts/ and route/ where they already live instead of a copy.
 Config.setPublicDir("song-274");
@@ -0,0 +1,168 @@
 [Script Info]
 ; Script generated by Aegisub 3.2.2
 ; http://www.aegisub.org/
 Title: Default Aegisub file
 ScriptType: v4.00+
 WrapStyle: 0
 ScaledBorderAndShadow: yes
 YCbCr Matrix: PC.601
 PlayResX: 1920
 PlayResY: 1080
 [Aegisub Project Garbage]
 Audio File: 274_transect.mp4
 Video File: 274_transect.mp4
 Video AR Mode: 4
 Video AR Value: 1.777778
 Video Zoom Percent: 0.500000
 Scroll Position: 74
 Active Line: 82
 Video Position: 8587
 [V4+ Styles]
 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
 Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1
 Style: rightoffset,Source Han Serif SC SemiBold,40,&H006C574D,&H000000FF,&H006E6E6E,&H00B4CBD7,-1,0,0,0,100,100,0,0,1,0,0,3,10,60,60,1
 Style: main heavy,源ノ明朝 SemiBold,45,&H006C574D,&H000000FF,&H003D2D22,&HE56C574D,-1,0,0,0,100,100,5,0,1,0,5,2,10,10,125,1
 Style: happy1551_base,Inziu Iosevka Slab SC,75,&H0000D2FF,&H000000FF,&H000000C8,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_zx,Inziu Iosevka Slab SC,75,&H000000FF,&H000000FF,&H0000006E,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_60,Inziu Iosevka Slab SC,75,&H00E0DDCE,&H000000FF,&H00353537,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_houye,Inziu Iosevka Slab SC,75,&H00DA7400,&H000000FF,&H00DFD1A8,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_s20,Inziu Iosevka Slab SC,75,&H00B38766,&H000000FF,&H00F1F1F1,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: leftoffset,Source Han Serif SC Medium,65,&H00FFFFFF,&H000000FF,&H00343434,&H00000000,0,0,0,0,100,100,0,0,1,2,0,1,40,10,20,1
 Style: main heavy - left,源ノ明朝 SemiBold,90,&H003F6CCD,&H000000FF,&H00221716,&H85AAB2B7,0,0,0,0,100,100,0,0,1,3,0,1,10,250,100,1
 Style: credits,Source Han Serif SC Medium,35,&H00C2B3A9,&H000000FF,&H000D0C0E,&H00000000,0,0,0,0,100,100,0,0,1,2,0,9,0,45,30,1
 Style: transparent_timesig,Noto Serif JP Medium,60,&H00000000,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,0,0,1,150,0,200,1
 Style: 274-place,M PLUS 1 Code SemiBold,70,&H001AB4F9,&H000000FF,&H003C3228,&H00000000,0,0,0,0,100,100,2,0,1,4,0,1,128,0,180,1
 Style: 274-credits,M PLUS 1 Code,50,&H001AB4F9,&H000000FF,&H003C3228,&H00000000,0,0,0,0,100,100,1,0,1,2,0,3,0,150,100,1
 Style: 274-addr,M PLUS 1 Code Medium,50,&H001AB4F9,&H000000FF,&H003C3228,&H00000000,0,0,0,0,100,100,4,0,1,2,0,1,128,0,262,1
 Style: main heavy right,源ノ明朝 SemiBold,45,&H006C574D,&H000000FF,&H003D2D22,&HE56C574D,-1,0,0,0,100,100,5,0,1,0,5,3,10,125,125,1
 Style: credits_sponsor,源ノ角ゴシック Heavy,188,&H00FFFFFF,&H000000FF,&H000D0C0E,&H00000000,-1,0,0,0,100,100,0,0,1,4.5,4.5,5,0,0,0,1
 [Events]
 Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
 Dialogue: 0,0:00:14.54,0:00:19.67,274-addr,,0,0,0,,夕張郡由仁町川端
 Dialogue: 0,0:00:17.89,0:00:19.67,274-place,,0,0,0,,川端橋
 Dialogue: 0,0:00:19.67,0:00:25.04,274-place,,0,0,0,,
 Dialogue: 0,0:00:25.04,0:00:42.01,274-addr,,0,0,0,,夕張郡栗山町滝下
 Dialogue: 0,0:00:28.41,0:00:32.06,274-place,,0,0,0,,川端発電所
 Dialogue: 0,0:00:32.06,0:00:35.44,274-place,,0,0,0,,滝下八幡神社
 Dialogue: 0,0:00:35.44,0:00:39.84,274-place,,0,0,0,,滝ノ下信号場
 Dialogue: 0,0:00:39.84,0:00:42.01,274-place,,0,0,0,,雨霧橋
 Dialogue: 0,0:00:42.01,0:00:42.45,274-place,,0,0,0,,
 Dialogue: 0,0:00:42.45,0:00:46.69,274-addr,,0,0,0,,夕張郡由仁町川端
 Dialogue: 0,0:00:45.15,0:00:46.69,274-place,,0,0,0,,竜仙橋
 Dialogue: 0,0:00:46.69,0:00:47.63,274-place,,0,0,0,,
 Dialogue: 0,0:00:47.63,0:00:54.73,274-addr,,0,0,0,,夕張郡栗山町滝下
 Dialogue: 0,0:00:50.08,0:00:52.88,274-place,,0,0,0,,草木橋
 Dialogue: 0,0:00:52.88,0:00:54.73,274-place,,0,0,0,,滝の上こ線橋
 Dialogue: 0,0:00:54.73,0:00:56.44,274-place,,0,0,0,,
 Dialogue: 0,0:00:56.44,0:01:08.78,274-addr,,0,0,0,,夕張市滝ノ上
 Dialogue: 0,0:00:59.95,0:01:03.47,274-place,,0,0,0,,滝の上発電所
 Dialogue: 0,0:01:03.47,0:01:06.94,274-place,,0,0,0,,滝ノ上信号場
 Dialogue: 0,0:01:06.94,0:01:08.78,274-place,,0,0,0,,滝ノ上神社
 Dialogue: 0,0:01:08.78,0:01:10.50,274-place,,0,0,0,,
 Dialogue: 0,0:01:10.50,0:01:45.03,274-addr,,0,0,0,,夕張市紅葉山
 Dialogue: 0,0:01:12.05,0:01:13.86,274-place,,0,0,0,,十三里信号場
 Dialogue: 0,0:01:13.86,0:01:16.44,274-place,,0,0,0,,十三里橋
 Dialogue: 0,0:01:16.44,0:01:18.78,274-place,,0,0,0,,紅葉山駐車帯
 Dialogue: 0,0:01:18.78,0:01:21.06,274-place,,0,0,0,,瑞穂橋
 Dialogue: 0,0:01:21.06,0:01:24.44,274-place,,0,0,0,,セブンイレブン夕張紅葉山店
 Dialogue: 0,0:01:24.44,0:01:27.06,274-place,,0,0,0,,新夕張駅
 Dialogue: 0,0:01:27.06,0:01:30.02,274-place,,0,0,0,,紅葉山郵便局
 Dialogue: 0,0:01:30.02,0:01:32.30,274-place,,0,0,0,,紅葉山神社
 Dialogue: 0,0:01:32.30,0:01:35.24,274-place,,0,0,0,,セイコーマートもみじやま店
 Dialogue: 0,0:01:35.24,0:01:38.48,274-place,,0,0,0,,紅楓橋
 Dialogue: 0,0:01:38.48,0:01:40.25,274-place,,0,0,0,,ポン久留喜橋
 Dialogue: 0,0:01:40.25,0:01:42.44,274-place,,0,0,0,,久留喜橋
 Dialogue: 0,0:01:42.44,0:01:43.79,274-place,,0,0,0,,楓橋
 Dialogue: 0,0:01:43.79,0:01:45.03,274-place,,0,0,0,,桂橋
 Dialogue: 0,0:01:45.03,0:01:45.77,274-place,,0,0,0,,
 Dialogue: 0,0:01:45.77,0:02:00.74,274-addr,,0,0,0,,夕張市楓
 Dialogue: 0,0:01:49.12,0:01:50.76,274-place,,0,0,0,,千紫橋
 Dialogue: 0,0:01:50.76,0:01:52.51,274-place,,0,0,0,,楓駐車帯
 Dialogue: 0,0:01:52.51,0:01:53.80,274-place,,0,0,0,,万紅橋
 Dialogue: 0,0:01:53.80,0:01:55.54,274-place,,0,0,0,,登川神社
 Dialogue: 0,0:01:55.54,0:01:57.32,274-place,,0,0,0,,楓信号場
 Dialogue: 0,0:01:57.32,0:01:59.00,274-place,,0,0,0,,登川橋
 Dialogue: 0,0:01:59.00,0:02:00.74,274-place,,0,0,0,,登川郵便局
 Dialogue: 0,0:02:00.74,0:02:01.26,274-place,,0,0,0,,
 Dialogue: 0,0:02:01.26,0:02:06.62,274-addr,,0,0,0,,夕張市登川
 Dialogue: 0,0:02:02.93,0:02:05.23,274-place,,0,0,0,,花園橋
 Dialogue: 0,0:02:05.23,0:02:06.62,274-place,,0,0,0,,登川トンネル
 Dialogue: 0,0:02:06.62,0:03:30.80,274-place,,0,0,0,,
 Dialogue: 0,0:03:30.80,0:03:39.41,274-addr,,0,0,0,,勇払郡むかわ町穂別長和
 Dialogue: 0,0:03:34.55,0:03:36.77,274-place,,0,0,0,,オマナイ橋
 Dialogue: 0,0:03:36.77,0:03:39.41,274-place,,0,0,0,,桂木橋
 Dialogue: 0,0:03:39.41,0:03:41.13,274-place,,0,0,0,,
 Dialogue: 0,0:03:41.13,0:04:05.59,274-addr,,0,0,0,,勇払郡むかわ町穂別稲里
 Dialogue: 0,0:03:44.62,0:03:46.67,274-place,,0,0,0,,大和橋
 Dialogue: 0,0:03:46.67,0:03:48.38,274-place,,0,0,0,,豊進橋
 Dialogue: 0,0:03:48.38,0:03:51.61,274-place,,0,0,0,,豊進神社
 Dialogue: 0,0:03:51.61,0:03:53.14,274-place,,0,0,0,,豊里橋
 Dialogue: 0,0:03:53.14,0:03:55.52,274-place,,0,0,0,,稲豊橋
 Dialogue: 0,0:03:55.52,0:03:57.78,274-place,,0,0,0,,稲里橋
 Dialogue: 0,0:03:57.78,0:04:01.08,274-place,,0,0,0,,稲里簡易郵便局
 Dialogue: 0,0:04:01.08,0:04:03.50,274-place,,0,0,0,,佐主橋
 Dialogue: 0,0:04:03.50,0:04:05.59,274-place,,0,0,0,,穂別ダム神社
 Dialogue: 0,0:04:05.59,0:04:05.96,274-place,,0,0,0,,
 Dialogue: 0,0:04:05.96,0:04:25.27,274-addr,,0,0,0,,勇払郡むかわ町穂別長和
 Dialogue: 0,0:04:10.08,0:04:13.02,274-place,,0,0,0,,長和トンネル
 Dialogue: 0,0:04:13.02,0:04:15.39,274-place,,0,0,0,,穂別大橋
 Dialogue: 0,0:04:15.39,0:04:18.81,274-place,,0,0,0,,山水橋
 Dialogue: 0,0:04:18.81,0:04:23.20,274-place,,0,0,0,,沼の沢橋
 Dialogue: 0,0:04:23.20,0:04:25.27,274-place,,0,0,0,,稲里トンネル
 Dialogue: 0,0:04:25.27,0:04:26.00,274-place,,0,0,0,,
 Dialogue: 0,0:04:26.00,0:04:55.52,274-addr,,0,0,0,,勇払郡むかわ町穂別福山
 Dialogue: 0,0:04:29.74,0:04:31.50,274-place,,0,0,0,,ペンケ橋
 Dialogue: 0,0:04:31.50,0:04:33.62,274-place,,0,0,0,,下福山橋
 Dialogue: 0,0:04:33.62,0:04:35.02,274-place,,0,0,0,,オロロップ橋
 Dialogue: 0,0:04:35.02,0:04:37.07,274-place,,0,0,0,,福山橋
 Dialogue: 0,0:04:37.07,0:04:38.70,274-place,,0,0,0,,福山神社
 Dialogue: 0,0:04:38.70,0:04:41.02,274-place,,0,0,0,,福山大橋
 Dialogue: 0,0:04:41.02,0:04:43.29,274-place,,0,0,0,,千坂橋
 Dialogue: 0,0:04:43.29,0:04:45.12,274-place,,0,0,0,,オコタン橋
 Dialogue: 0,0:04:45.12,0:04:46.22,274-place,,0,0,0,,モトツトンネル
 Dialogue: 0,0:04:46.22,0:04:48.98,274-place,,0,0,0,,モトツ橋 / モトツシェルター
 Dialogue: 0,0:04:48.98,0:04:51.39,274-place,,0,0,0,,福山トンネル
 Dialogue: 0,0:04:51.39,0:04:53.61,274-place,,0,0,0,,福穂橋
 Dialogue: 0,0:04:53.61,0:04:55.52,274-place,,0,0,0,,穂高トンネル
 Dialogue: 0,0:04:55.52,0:05:22.60,274-place,,0,0,0,,
 Dialogue: 0,0:05:22.60,0:05:50.73,274-addr,,0,0,0,,勇払郡占冠村中央
 Dialogue: 0,0:05:25.76,0:05:28.88,274-place,,0,0,0,,穂高橋
 Dialogue: 0,0:05:28.88,0:05:31.52,274-place,,0,0,0,,高翠橋
 Dialogue: 0,0:05:31.52,0:05:34.95,274-place,,0,0,0,,占翠橋
 Dialogue: 0,0:05:34.95,0:05:38.08,274-place,,0,0,0,,名石駐車場
 Dialogue: 0,0:05:38.08,0:05:40.99,274-place,,0,0,0,,名石橋
 Dialogue: 0,0:05:40.99,0:05:43.96,274-place,,0,0,0,,赤岩大橋
 Dialogue: 0,0:05:43.96,0:05:48.62,274-place,,0,0,0,,渓流大橋
 Dialogue: 0,0:05:48.62,0:05:50.73,274-place,,0,0,0,,日高トンネル
 Dialogue: 0,0:05:50.73,0:07:11.39,274-place,,0,0,0,,
 Dialogue: 0,0:07:11.39,0:07:16.38,274-addr,,0,0,0,,沙流郡日高町日高
 Dialogue: 0,0:07:14.14,0:07:16.38,274-place,,0,0,0,,日夕橋
 Dialogue: 0,0:07:16.38,0:07:28.85,274-place,,0,0,0,,
 Dialogue: 0,0:07:28.85,0:07:34.09,274-addr,,0,0,0,,沙流郡日高町宮下町
 Dialogue: 0,0:07:31.68,0:07:34.09,274-place,,0,0,0,,日高神社
 Dialogue: 0,0:07:34.09,0:07:42.90,274-place,,0,0,0,,
 Dialogue: 0,0:07:42.90,0:07:55.11,274-addr,,0,0,0,,沙流郡日高町本町東
 Dialogue: 0,0:07:45.51,0:07:49.88,274-place,,0,0,0,,新川橋
 Dialogue: 0,0:07:49.88,0:07:52.76,274-place,,0,0,0,,セイコーマート日高道の駅店
 Dialogue: 0,0:07:52.76,0:07:55.11,274-place,,0,0,0,,日高郵便局
 Dialogue: 0,0:07:55.11,0:07:56.69,274-place,,0,0,0,,
 Dialogue: 0,0:07:56.69,0:08:02.15,274-addr,,0,0,0,,沙流郡日高町千栄
 Dialogue: 0,0:07:59.36,0:08:02.15,274-place,,0,0,0,,北電日高発電所
 Dialogue: 0,0:08:02.15,0:08:03.90,274-place,,0,0,0,,
 Dialogue: 0,0:08:03.90,0:08:09.44,274-addr,,0,0,0,,沙流郡日高町日高
 Dialogue: 0,0:08:06.38,0:08:09.44,274-place,,0,0,0,,右左府発電所
 Dialogue: 0,0:08:09.44,0:08:10.93,274-place,,0,0,0,,
 Dialogue: 0,0:08:10.93,0:08:12.66,274-credits,,0,0,0,,{\b1}東に続く{\b0}
 Dialogue: 0,0:08:12.66,0:08:17.66,274-place,,0,0,0,,
 Dialogue: 0,0:08:24.92,0:08:31.98,274-credits,,0,0,0,,{\b1}'274'{\b0}\Na song about (one stretch of) national route 274
 Dialogue: 0,0:08:31.98,0:08:38.97,274-credits,,0,0,0,,music by Tomaš Orika / data aggregation by Mikkeli Matlock\Nvisualiser by Joroz Tosci / powered by Claude Opus 5
 Dialogue: 0,0:08:38.97,0:08:46.00,274-credits,,0,0,0,,voiced by Yuzuki Yukari Shizuku (A.I.VOICE 2)
 Dialogue: 0,0:08:46.00,0:08:52.98,274-credits,,0,0,0,,{\b1}thanks to:{\b0}\Nroute01.com\Nhgf03030.a.la9.jp
 Dialogue: 0,0:08:52.98,0:09:00.00,274-credits,,0,0,0,,{\b1}thanks to:{\b0}\N全国道路施設点検データベース\N国土交通省北海道開発局 道路施設の老朽化対策\N国土数値情報 河川データセット
 Dialogue: 0,0:09:00.00,0:09:06.98,274-credits,,0,0,0,,{\b1}thanks to:{\b0}\N日本郵便 郵便番号データ\N国土地理院 逆ジオコーディング API
 Dialogue: 0,0:09:06.98,0:09:14.00,274-credits,,0,0,0,,{\b1}thanks to:{\b0}\NOpenStreetMap contributors\NGoogle Maps\NWikipedia
 Dialogue: 0,0:09:14.00,0:09:20.96,274-credits,,0,0,0,,2026 northwich committee of magic researches
 Dialogue: 0,0:09:20.96,0:09:22.98,274-credits,,0,0,0,,see you in Yuubari
@@ -0,0 +1,159 @@
 [Script Info]
 ; Script generated by Aegisub 3.2.2
 ; http://www.aegisub.org/
 Title: Default Aegisub file
 ScriptType: v4.00+
 WrapStyle: 0
 ScaledBorderAndShadow: yes
 YCbCr Matrix: TV.601
 PlayResX: 1920
 PlayResY: 1080
 [Aegisub Project Garbage]
 Audio File: 274_white.mp4
 Video File: 274_white.mp4
 Video AR Mode: 4
 Video AR Value: 1.777778
 Video Zoom Percent: 0.500000
 Scroll Position: 54
 Active Line: 66
 Video Position: 7588
 [V4+ Styles]
 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
 Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1
 Style: rightoffset,Source Han Serif SC SemiBold,40,&H006C574D,&H000000FF,&H006E6E6E,&H00B4CBD7,-1,0,0,0,100,100,0,0,1,0,0,3,10,60,60,1
 Style: main heavy,源ノ明朝 SemiBold,45,&H006C574D,&H000000FF,&H003D2D22,&HE56C574D,-1,0,0,0,100,100,5,0,1,0,5,2,10,10,125,1
 Style: happy1551_base,Inziu Iosevka Slab SC,75,&H0000D2FF,&H000000FF,&H000000C8,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_zx,Inziu Iosevka Slab SC,75,&H000000FF,&H000000FF,&H0000006E,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_60,Inziu Iosevka Slab SC,75,&H00E0DDCE,&H000000FF,&H00353537,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_houye,Inziu Iosevka Slab SC,75,&H00DA7400,&H000000FF,&H00DFD1A8,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: happy1551_s20,Inziu Iosevka Slab SC,75,&H00B38766,&H000000FF,&H00F1F1F1,&H00000000,0,0,0,0,100,100,0,0,1,3,0,2,10,10,70,1
 Style: leftoffset,Source Han Serif SC Medium,65,&H00FFFFFF,&H000000FF,&H00343434,&H00000000,0,0,0,0,100,100,0,0,1,2,0,1,40,10,20,1
 Style: main heavy - left,源ノ明朝 SemiBold,90,&H003F6CCD,&H000000FF,&H00221716,&H85AAB2B7,0,0,0,0,100,100,0,0,1,3,0,1,10,250,100,1
 Style: credits,Source Han Serif SC Medium,35,&H00C2B3A9,&H000000FF,&H000D0C0E,&H00000000,0,0,0,0,100,100,0,0,1,2,0,9,0,45,30,1
 Style: transparent_timesig,Noto Serif JP Medium,60,&H00000000,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,0,0,1,150,0,200,1
 Style: transparent_lyrics_en,Noto Serif JP Medium,70,&H00000000,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,2,0,1,0,0,1,192,0,320,1
 Style: transparent_lyrics_jp,Noto Serif JP Medium,50,&H00000000,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,0,0,3,0,150,100,1
 Style: transparent_title,Noto Serif JP SemiBold,50,&H00000000,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,2,0,1,0,0,1,192,0,395,1
 Style: main heavy right,源ノ明朝 SemiBold,45,&H006C574D,&H000000FF,&H003D2D22,&HE56C574D,-1,0,0,0,100,100,5,0,1,0,5,3,10,125,125,1
 Style: credits_sponsor,源ノ角ゴシック Heavy,188,&H00FFFFFF,&H000000FF,&H000D0C0E,&H00000000,-1,0,0,0,100,100,0,0,1,4.5,4.5,5,0,0,0,1
 [Events]
 Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
 Dialogue: 0,0:00:14.54,0:00:19.67,transparent_title,,0,0,0,,夕張郡由仁町川端
 Dialogue: 0,0:00:17.89,0:00:19.67,transparent_lyrics_en,,0,0,0,,川端橋
 Dialogue: 0,0:00:19.67,0:00:25.04,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:00:25.04,0:00:42.01,transparent_title,,0,0,0,,夕張郡栗山町滝下
 Dialogue: 0,0:00:28.41,0:00:32.06,transparent_lyrics_en,,0,0,0,,川端発電所
 Dialogue: 0,0:00:32.06,0:00:35.44,transparent_lyrics_en,,0,0,0,,滝下八幡神社
 Dialogue: 0,0:00:35.44,0:00:39.84,transparent_lyrics_en,,0,0,0,,滝ノ下信号場
 Dialogue: 0,0:00:39.84,0:00:42.01,transparent_lyrics_en,,0,0,0,,雨霧橋
 Dialogue: 0,0:00:42.01,0:00:42.45,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:00:42.45,0:00:46.69,transparent_title,,0,0,0,,夕張郡由仁町川端
 Dialogue: 0,0:00:45.15,0:00:46.69,transparent_lyrics_en,,0,0,0,,竜仙橋
 Dialogue: 0,0:00:46.69,0:00:47.63,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:00:47.63,0:00:54.73,transparent_title,,0,0,0,,夕張郡栗山町滝下
 Dialogue: 0,0:00:50.08,0:00:52.88,transparent_lyrics_en,,0,0,0,,草木橋
 Dialogue: 0,0:00:52.88,0:00:54.73,transparent_lyrics_en,,0,0,0,,滝の上こ線橋
 Dialogue: 0,0:00:54.73,0:00:56.44,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:00:56.44,0:01:08.78,transparent_title,,0,0,0,,夕張市滝ノ上
 Dialogue: 0,0:00:59.95,0:01:03.47,transparent_lyrics_en,,0,0,0,,滝の上発電所
 Dialogue: 0,0:01:03.47,0:01:06.94,transparent_lyrics_en,,0,0,0,,滝ノ上信号場
 Dialogue: 0,0:01:06.94,0:01:08.78,transparent_lyrics_en,,0,0,0,,滝ノ上神社
 Dialogue: 0,0:01:08.78,0:01:10.50,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:01:10.50,0:01:45.03,transparent_title,,0,0,0,,夕張市紅葉山
 Dialogue: 0,0:01:12.05,0:01:13.86,transparent_lyrics_en,,0,0,0,,十三里信号場
 Dialogue: 0,0:01:13.86,0:01:16.44,transparent_lyrics_en,,0,0,0,,十三里橋
 Dialogue: 0,0:01:16.44,0:01:18.78,transparent_lyrics_en,,0,0,0,,紅葉山駐車帯
 Dialogue: 0,0:01:18.78,0:01:21.06,transparent_lyrics_en,,0,0,0,,瑞穂橋
 Dialogue: 0,0:01:21.06,0:01:24.44,transparent_lyrics_en,,0,0,0,,セブンイレブン夕張紅葉山店
 Dialogue: 0,0:01:24.44,0:01:27.06,transparent_lyrics_en,,0,0,0,,新夕張駅
 Dialogue: 0,0:01:27.06,0:01:30.02,transparent_lyrics_en,,0,0,0,,紅葉山郵便局
 Dialogue: 0,0:01:30.02,0:01:32.30,transparent_lyrics_en,,0,0,0,,紅葉山神社
 Dialogue: 0,0:01:32.30,0:01:35.24,transparent_lyrics_en,,0,0,0,,セイコーマートもみじやま店
 Dialogue: 0,0:01:35.24,0:01:38.48,transparent_lyrics_en,,0,0,0,,紅楓橋
 Dialogue: 0,0:01:38.48,0:01:40.25,transparent_lyrics_en,,0,0,0,,ポン久留喜橋
 Dialogue: 0,0:01:40.25,0:01:42.44,transparent_lyrics_en,,0,0,0,,久留喜橋
 Dialogue: 0,0:01:42.44,0:01:43.79,transparent_lyrics_en,,0,0,0,,楓橋
 Dialogue: 0,0:01:43.79,0:01:45.03,transparent_lyrics_en,,0,0,0,,桂橋
 Dialogue: 0,0:01:45.03,0:01:45.77,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:01:45.77,0:02:00.74,transparent_title,,0,0,0,,夕張市楓
 Dialogue: 0,0:01:49.12,0:01:50.76,transparent_lyrics_en,,0,0,0,,千紫橋
 Dialogue: 0,0:01:50.76,0:01:52.51,transparent_lyrics_en,,0,0,0,,楓駐車帯
 Dialogue: 0,0:01:52.51,0:01:53.80,transparent_lyrics_en,,0,0,0,,万紅橋
 Dialogue: 0,0:01:53.80,0:01:55.54,transparent_lyrics_en,,0,0,0,,登川神社
 Dialogue: 0,0:01:55.54,0:01:57.32,transparent_lyrics_en,,0,0,0,,楓信号場
 Dialogue: 0,0:01:57.32,0:01:59.00,transparent_lyrics_en,,0,0,0,,登川橋
 Dialogue: 0,0:01:59.00,0:02:00.74,transparent_lyrics_en,,0,0,0,,登川郵便局
 Dialogue: 0,0:02:00.74,0:02:01.26,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:02:01.26,0:02:06.62,transparent_title,,0,0,0,,夕張市登川
 Dialogue: 0,0:02:02.93,0:02:05.23,transparent_lyrics_en,,0,0,0,,花園橋
 Dialogue: 0,0:02:05.23,0:02:06.62,transparent_lyrics_en,,0,0,0,,登川トンネル
 Dialogue: 0,0:02:06.62,0:03:30.80,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:03:30.80,0:03:39.41,transparent_title,,0,0,0,,勇払郡むかわ町穂別長和
 Dialogue: 0,0:03:34.55,0:03:36.77,transparent_lyrics_en,,0,0,0,,オマナイ橋
 Dialogue: 0,0:03:36.77,0:03:39.41,transparent_lyrics_en,,0,0,0,,桂木橋
 Dialogue: 0,0:03:39.41,0:03:41.13,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:03:41.13,0:04:05.59,transparent_title,,0,0,0,,勇払郡むかわ町穂別稲里
 Dialogue: 0,0:03:44.62,0:03:46.67,transparent_lyrics_en,,0,0,0,,大和橋
 Dialogue: 0,0:03:46.67,0:03:48.38,transparent_lyrics_en,,0,0,0,,豊進橋
 Dialogue: 0,0:03:48.38,0:03:51.61,transparent_lyrics_en,,0,0,0,,豊進神社
 Dialogue: 0,0:03:51.61,0:03:53.14,transparent_lyrics_en,,0,0,0,,豊里橋
 Dialogue: 0,0:03:53.14,0:03:55.52,transparent_lyrics_en,,0,0,0,,稲豊橋
 Dialogue: 0,0:03:55.52,0:03:57.78,transparent_lyrics_en,,0,0,0,,稲里橋
 Dialogue: 0,0:03:57.78,0:04:01.08,transparent_lyrics_en,,0,0,0,,稲里簡易郵便局
 Dialogue: 0,0:04:01.08,0:04:03.50,transparent_lyrics_en,,0,0,0,,佐主橋
 Dialogue: 0,0:04:03.50,0:04:05.59,transparent_lyrics_en,,0,0,0,,穂別ダム神社
 Dialogue: 0,0:04:05.59,0:04:05.96,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:04:05.96,0:04:25.27,transparent_title,,0,0,0,,勇払郡むかわ町穂別長和
 Dialogue: 0,0:04:10.08,0:04:13.02,transparent_lyrics_en,,0,0,0,,長和トンネル
 Dialogue: 0,0:04:13.02,0:04:15.39,transparent_lyrics_en,,0,0,0,,穂別大橋
 Dialogue: 0,0:04:15.39,0:04:18.81,transparent_lyrics_en,,0,0,0,,山水橋
 Dialogue: 0,0:04:18.81,0:04:23.20,transparent_lyrics_en,,0,0,0,,沼の沢橋
 Dialogue: 0,0:04:23.20,0:04:25.27,transparent_lyrics_en,,0,0,0,,稲里トンネル
 Dialogue: 0,0:04:25.27,0:04:26.00,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:04:26.00,0:04:55.52,transparent_title,,0,0,0,,勇払郡むかわ町穂別福山
 Dialogue: 0,0:04:29.74,0:04:31.50,transparent_lyrics_en,,0,0,0,,ペンケ橋
 Dialogue: 0,0:04:31.50,0:04:33.62,transparent_lyrics_en,,0,0,0,,下福山橋
 Dialogue: 0,0:04:33.62,0:04:35.02,transparent_lyrics_en,,0,0,0,,オロロップ橋
 Dialogue: 0,0:04:35.02,0:04:37.07,transparent_lyrics_en,,0,0,0,,福山橋
 Dialogue: 0,0:04:37.07,0:04:38.70,transparent_lyrics_en,,0,0,0,,福山神社
 Dialogue: 0,0:04:38.70,0:04:41.02,transparent_lyrics_en,,0,0,0,,福山大橋
 Dialogue: 0,0:04:41.02,0:04:43.29,transparent_lyrics_en,,0,0,0,,千坂橋
 Dialogue: 0,0:04:43.29,0:04:45.12,transparent_lyrics_en,,0,0,0,,オコタン橋
 Dialogue: 0,0:04:45.12,0:04:46.22,transparent_lyrics_en,,0,0,0,,モトツトンネル
 Dialogue: 0,0:04:46.22,0:04:48.98,transparent_lyrics_en,,0,0,0,,モトツ橋にモトツシェルター
 Dialogue: 0,0:04:48.98,0:04:51.39,transparent_lyrics_en,,0,0,0,,福山トンネル
 Dialogue: 0,0:04:51.39,0:04:53.61,transparent_lyrics_en,,0,0,0,,福穂橋
 Dialogue: 0,0:04:53.61,0:04:55.52,transparent_lyrics_en,,0,0,0,,穂高トンネル
 Dialogue: 0,0:04:55.52,0:05:22.60,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:05:22.60,0:05:50.73,transparent_title,,0,0,0,,勇払郡占冠村中央
 Dialogue: 0,0:05:25.76,0:05:28.88,transparent_lyrics_en,,0,0,0,,穂高橋
 Dialogue: 0,0:05:28.88,0:05:31.52,transparent_lyrics_en,,0,0,0,,高翠橋
 Dialogue: 0,0:05:31.52,0:05:34.95,transparent_lyrics_en,,0,0,0,,占翠橋
 Dialogue: 0,0:05:34.95,0:05:38.08,transparent_lyrics_en,,0,0,0,,名石駐車場
 Dialogue: 0,0:05:38.08,0:05:40.99,transparent_lyrics_en,,0,0,0,,名石橋
 Dialogue: 0,0:05:40.99,0:05:43.96,transparent_lyrics_en,,0,0,0,,赤岩大橋
 Dialogue: 0,0:05:43.96,0:05:48.62,transparent_lyrics_en,,0,0,0,,渓流大橋
 Dialogue: 0,0:05:48.62,0:05:50.73,transparent_lyrics_en,,0,0,0,,日高トンネル
 Dialogue: 0,0:05:50.73,0:07:11.39,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:07:11.39,0:07:16.38,transparent_title,,0,0,0,,沙流郡日高町日高
 Dialogue: 0,0:07:14.14,0:07:16.38,transparent_lyrics_en,,0,0,0,,日夕橋
 Dialogue: 0,0:07:16.38,0:07:28.85,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:07:28.85,0:07:34.09,transparent_title,,0,0,0,,沙流郡日高町宮下町
 Dialogue: 0,0:07:31.68,0:07:34.09,transparent_lyrics_en,,0,0,0,,日高神社
 Dialogue: 0,0:07:34.09,0:07:42.90,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:07:42.90,0:07:55.11,transparent_title,,0,0,0,,沙流郡日高町本町東
 Dialogue: 0,0:07:45.51,0:07:49.88,transparent_lyrics_en,,0,0,0,,新川橋
 Dialogue: 0,0:07:49.88,0:07:52.76,transparent_lyrics_en,,0,0,0,,セイコーマート日高道の駅店
 Dialogue: 0,0:07:52.76,0:07:55.11,transparent_lyrics_en,,0,0,0,,日高郵便局
 Dialogue: 0,0:07:55.11,0:07:56.69,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:07:56.69,0:08:02.15,transparent_title,,0,0,0,,沙流郡日高町千栄
 Dialogue: 0,0:07:59.36,0:08:02.15,transparent_lyrics_en,,0,0,0,,北電日高発電所
 Dialogue: 0,0:08:02.15,0:08:03.90,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:08:03.90,0:08:09.44,transparent_title,,0,0,0,,沙流郡日高町日高
 Dialogue: 0,0:08:06.38,0:08:09.44,transparent_lyrics_en,,0,0,0,,右左府発電所
 Dialogue: 0,0:08:09.44,0:08:10.93,transparent_lyrics_en,,0,0,0,,
 Dialogue: 0,0:08:10.93,0:08:12.66,transparent_lyrics_jp,,0,0,0,,東に続く
 Dialogue: 0,0:08:12.66,0:08:17.66,transparent_lyrics_en,,0,0,0,,
@@ -0,0 +1,121 @@
 [ti:274]
 [ar:Northwich committee of magic researches]
 [al:Shirakaba Express Service]
 [00:14.54]夕張郡由仁町川端
 [00:17.89]川端橋
 [00:19.67] 
 [00:25.04]夕張郡栗山町滝下
 [00:28.41]川端発電所
 [00:32.06]滝下八幡神社
 [00:35.44]滝ノ下信号場
 [00:39.84]雨霧橋
 [00:42.01] 
 [00:42.45]夕張郡由仁町川端
 [00:45.15]竜仙橋
 [00:46.69] 
 [00:47.63]夕張郡栗山町滝下
 [00:50.08]草木橋
 [00:52.88]滝の上こ線橋
 [00:54.73] 
 [00:56.44]夕張市滝ノ上
 [00:59.95]滝の上発電所
 [01:03.47]滝ノ上信号場
 [01:06.94]滝ノ上神社
 [01:08.78] 
 [01:10.50]夕張市紅葉山
 [01:12.05]十三里信号場
 [01:13.86]十三里橋
 [01:16.44]紅葉山駐車帯
 [01:18.78]瑞穂橋
 [01:21.06]セブンイレブン夕張紅葉山店
 [01:24.44]新夕張駅
 [01:27.06]紅葉山郵便局
 [01:30.02]紅葉山神社
 [01:32.30]セイコーマートもみじやま店
 [01:35.24]紅楓橋
 [01:38.48]ポン久留喜橋
 [01:40.25]久留喜橋
 [01:42.44]楓橋
 [01:43.79]桂橋
 [01:45.03] 
 [01:45.77]夕張市楓
 [01:49.12]千紫橋
 [01:50.76]楓駐車帯
 [01:52.51]万紅橋
 [01:53.80]登川神社
 [01:55.54]楓信号場
 [01:57.32]登川橋
 [01:59.00]登川郵便局
 [02:00.74] 
 [02:01.26]夕張市登川
 [02:02.93]花園橋
 [02:05.23]登川トンネル
 [02:06.62] 
 [03:30.80]勇払郡むかわ町穂別長和
 [03:34.55]オマナイ橋
 [03:36.77]桂木橋
 [03:39.41]
 [03:41.13]勇払郡むかわ町穂別稲里
 [03:44.62]大和橋
 [03:46.67]豊進橋
 [03:48.38]豊進神社
 [03:51.61]豊里橋
 [03:53.14]稲豊橋
 [03:55.52]稲里橋
 [03:57.78]稲里簡易郵便局
 [04:01.08]佐主橋
 [04:03.50]穂別ダム神社
 [04:05.59]
 [04:05.96]勇払郡むかわ町穂別長和
 [04:10.08]長和トンネル
 [04:13.02]穂別大橋
 [04:15.39]山水橋
 [04:18.81]沼の沢橋
 [04:23.20]稲里トンネル
 [04:25.27] 
 [04:26.00]勇払郡むかわ町穂別福山
 [04:29.74]ペンケ橋
 [04:31.50]下福山橋
 [04:33.62]オロロップ橋
 [04:35.02]福山橋
 [04:37.07]福山神社
 [04:38.70]福山大橋
 [04:41.02]千坂橋
 [04:43.29]オコタン橋
 [04:45.12]モトツトンネル
 [04:46.22]モトツ橋にモトツシェルター
 [04:48.98]福山トンネル
 [04:51.39]福穂橋
 [04:53.61]穂高トンネル
 [04:55.52] 
 [05:22.60]勇払郡占冠村中央
 [05:25.76]穂高橋
 [05:28.88]高翠橋
 [05:31.52]占翠橋
 [05:34.95]名石駐車場
 [05:38.08]名石橋
 [05:40.99]赤岩大橋
 [05:43.96]渓流大橋
 [05:48.62]日高トンネル
 [05:50.73] 
 [07:11.39]沙流郡日高町日高
 [07:14.14]日夕橋
 [07:16.38] 
 [07:28.85]沙流郡日高町宮下町
 [07:31.68]日高神社
 [07:34.09] 
 [07:42.90]沙流郡日高町本町東
 [07:45.51]新川橋
 [07:49.88]セイコーマート日高道の駅店
 [07:52.76]日高郵便局
 [07:55.11] 
 [07:56.69]沙流郡日高町千栄
 [07:59.36]北電日高発電所
 [08:02.15] 
 [08:03.90]沙流郡日高町日高
 [08:06.38]右左府発電所
 [08:09.44] 
 [08:10.93]東に続く
 [08:12.66] 
@@ -0,0 +1,463 @@
 1
 00:00:14,540 --> 00:00:17,890
 夕張郡由仁町川端
 2
 00:00:17,890 --> 00:00:19,670
 川端橋
 3
 00:00:19,670 --> 00:00:25,040
 4
 00:00:25,040 --> 00:00:28,410
 夕張郡栗山町滝下
 5
 00:00:28,410 --> 00:00:32,060
 川端発電所
 6
 00:00:32,060 --> 00:00:35,440
 滝下八幡神社
 7
 00:00:35,440 --> 00:00:39,840
 滝ノ下信号場
 8
 00:00:39,840 --> 00:00:42,010
 雨霧橋
 9
 00:00:42,010 --> 00:00:42,510
 10
 00:00:42,450 --> 00:00:45,150
 夕張郡由仁町川端
 11
 00:00:45,150 --> 00:00:46,690
 竜仙橋
 12
 00:00:46,690 --> 00:00:47,630
 13
 00:00:47,630 --> 00:00:50,080
 夕張郡栗山町滝下
 14
 00:00:50,080 --> 00:00:52,880
 草木橋
 15
 00:00:52,880 --> 00:00:54,730
 滝の上こ線橋
 16
 00:00:54,730 --> 00:00:56,440
 17
 00:00:56,440 --> 00:00:59,950
 夕張市滝ノ上
 18
 00:00:59,950 --> 00:01:03,470
 滝の上発電所
 19
 00:01:03,470 --> 00:01:06,940
 滝ノ上信号場
 20
 00:01:06,940 --> 00:01:08,780
 滝ノ上神社
 21
 00:01:08,780 --> 00:01:10,500
 22
 00:01:10,500 --> 00:01:12,050
 夕張市紅葉山
 23
 00:01:12,050 --> 00:01:13,860
 十三里信号場
 24
 00:01:13,860 --> 00:01:16,440
 十三里橋
 25
 00:01:16,440 --> 00:01:18,780
 紅葉山駐車帯
 26
 00:01:18,780 --> 00:01:21,060
 瑞穂橋
 27
 00:01:21,060 --> 00:01:24,440
 セブンイレブン夕張紅葉山店
 28
 00:01:24,440 --> 00:01:27,060
 新夕張駅
 29
 00:01:27,060 --> 00:01:30,020
 紅葉山郵便局
 30
 00:01:30,020 --> 00:01:32,300
 紅葉山神社
 31
 00:01:32,300 --> 00:01:35,240
 セイコーマートもみじやま店
 32
 00:01:35,240 --> 00:01:38,480
 紅楓橋
 33
 00:01:38,480 --> 00:01:40,250
 ポン久留喜橋
 34
 00:01:40,250 --> 00:01:42,440
 久留喜橋
 35
 00:01:42,440 --> 00:01:43,790
 楓橋
 36
 00:01:43,790 --> 00:01:45,030
 桂橋
 37
 00:01:45,030 --> 00:01:45,770
 38
 00:01:45,770 --> 00:01:49,120
 夕張市楓
 39
 00:01:49,120 --> 00:01:50,760
 千紫橋
 40
 00:01:50,760 --> 00:01:52,510
 楓駐車帯
 41
 00:01:52,510 --> 00:01:53,800
 万紅橋
 42
 00:01:53,800 --> 00:01:55,540
 登川神社
 43
 00:01:55,540 --> 00:01:57,320
 楓信号場
 44
 00:01:57,320 --> 00:01:59,000
 登川橋
 45
 00:01:59,000 --> 00:02:00,740
 登川郵便局
 46
 00:02:00,740 --> 00:02:01,260
 47
 00:02:01,260 --> 00:02:02,930
 夕張市登川
 48
 00:02:02,930 --> 00:02:05,230
 花園橋
 49
 00:02:05,230 --> 00:02:06,620
 登川トンネル
 50
 00:02:06,620 --> 00:03:30,800
 51
 00:03:30,800 --> 00:03:34,550
 勇払郡むかわ町穂別長和
 52
 00:03:34,550 --> 00:03:36,770
 オマナイ橋
 53
 00:03:36,770 --> 00:03:39,410
 桂木橋
 54
 00:03:39,410 --> 00:03:41,130
 55
 00:03:41,130 --> 00:03:44,620
 勇払郡むかわ町穂別稲里
 56
 00:03:44,620 --> 00:03:46,670
 大和橋
 57
 00:03:46,670 --> 00:03:48,380
 豊進橋
 58
 00:03:48,380 --> 00:03:51,610
 豊進神社
 59
 00:03:51,610 --> 00:03:53,140
 豊里橋
 60
 00:03:53,140 --> 00:03:55,520
 稲豊橋
 61
 00:03:55,520 --> 00:03:57,780
 稲里橋
 62
 00:03:57,780 --> 00:04:01,080
 稲里簡易郵便局
 63
 00:04:01,080 --> 00:04:03,500
 佐主橋
 64
 00:04:03,500 --> 00:04:05,590
 穂別ダム神社
 65
 00:04:05,590 --> 00:04:06,090
 66
 00:04:05,960 --> 00:04:10,080
 勇払郡むかわ町穂別長和
 67
 00:04:10,080 --> 00:04:13,020
 長和トンネル
 68
 00:04:13,020 --> 00:04:15,390
 穂別大橋
 69
 00:04:15,390 --> 00:04:18,810
 山水橋
 70
 00:04:18,810 --> 00:04:23,200
 沼の沢橋
 71
 00:04:23,200 --> 00:04:25,270
 稲里トンネル
 72
 00:04:25,270 --> 00:04:26,000
 73
 00:04:26,000 --> 00:04:29,740
 勇払郡むかわ町穂別福山
 74
 00:04:29,740 --> 00:04:31,500
 ペンケ橋
 75
 00:04:31,500 --> 00:04:33,620
 下福山橋
 76
 00:04:33,620 --> 00:04:35,020
 オロロップ橋
 77
 00:04:35,020 --> 00:04:37,070
 福山橋
 78
 00:04:37,070 --> 00:04:38,700
 福山神社
 79
 00:04:38,700 --> 00:04:41,020
 福山大橋
 80
 00:04:41,020 --> 00:04:43,290
 千坂橋
 81
 00:04:43,290 --> 00:04:45,120
 オコタン橋
 82
 00:04:45,120 --> 00:04:46,220
 モトツトンネル
 83
 00:04:46,220 --> 00:04:48,980
 モトツ橋にモトツシェルター
 84
 00:04:48,980 --> 00:04:51,390
 福山トンネル
 85
 00:04:51,390 --> 00:04:53,610
 福穂橋
 86
 00:04:53,610 --> 00:04:55,520
 穂高トンネル
 87
 00:04:55,520 --> 00:05:22,600
 88
 00:05:22,600 --> 00:05:25,760
 勇払郡占冠村中央
 89
 00:05:25,760 --> 00:05:28,880
 穂高橋
 90
 00:05:28,880 --> 00:05:31,520
 高翠橋
 91
 00:05:31,520 --> 00:05:34,950
 占翠橋
 92
 00:05:34,950 --> 00:05:38,080
 名石駐車場
 93
 00:05:38,080 --> 00:05:40,990
 名石橋
 94
 00:05:40,990 --> 00:05:43,960
 赤岩大橋
 95
 00:05:43,960 --> 00:05:48,620
 渓流大橋
 96
 00:05:48,620 --> 00:05:50,730
 日高トンネル
 97
 00:05:50,730 --> 00:07:11,390
 98
 00:07:11,390 --> 00:07:14,140
 沙流郡日高町日高
 99
 00:07:14,140 --> 00:07:16,380
 日夕橋
 100
 00:07:16,380 --> 00:07:28,850
 101
 00:07:28,850 --> 00:07:31,680
 沙流郡日高町宮下町
 102
 00:07:31,680 --> 00:07:34,090
 日高神社
 103
 00:07:34,090 --> 00:07:42,900
 104
 00:07:42,900 --> 00:07:45,510
 沙流郡日高町本町東
 105
 00:07:45,510 --> 00:07:49,880
 新川橋
 106
 00:07:49,880 --> 00:07:52,760
 セイコーマート日高道の駅店
 107
 00:07:52,760 --> 00:07:55,110
 日高郵便局
 108
 00:07:55,110 --> 00:07:56,690
 109
 00:07:56,690 --> 00:07:59,360
 沙流郡日高町千栄
 110
 00:07:59,360 --> 00:08:02,150
 北電日高発電所
 111
 00:08:02,150 --> 00:08:03,900
 112
 00:08:03,900 --> 00:08:06,380
 沙流郡日高町日高
 113
 00:08:06,380 --> 00:08:09,440
 右左府発電所
 114
 00:08:09,440 --> 00:08:10,930
 115
 00:08:10,930 --> 00:08:12,660
 東に続く
 116
 00:08:12,660 --> 00:08:17,660
@@ -0,0 +1,27 @@
 # Bill of materials — 274
 9 file(s), 472.1 MiB. Generated by `scripts/bom_gen.py`.
 ## audio
 file                      size       hash                        description
 ------------------------  ---------  --------------------------  ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 `audio/274_release1.wav`  226.8 MiB  `4287774b506177d282b8a035`  Release master of "274" (2026-09-16), superseded by 274_release2.wav — stereo, 48 kHz, 32-bit float PCM, 10:19 (619.27 s). Peak -0.4 dBFS, mean -12.4 dBFS.
 `audio/274_release2.wav`  226.8 MiB  `834aad4988f387dd9871d099`  Release master of "274" (updated 2026-09-17, replaces 274_release1.wav; used by the white/lyrics renders and Song274Transect) — stereo, 48 kHz, 32-bit float PCM, 10:19 (619.27 s). Float peak +0.25 dBFS (1.0297; 25 samples beyond full scale), mean -13.1 dBFS.
 ## images
 file                size      hash                        description
 ------------------  --------  --------------------------  ------------------------------------------------------------------------------------------------------
 `images/white.png`  11.1 KiB  `717ddffe599554fb2dcdf855`  Background plate: plain pure-white (#FFFFFF) 1920×1080 RGB image, used as the still for the PV render.
 ## fonts
 file                              size     hash                        description
 --------------------------------  -------  --------------------------  ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 `fonts/MPLUS1Code-Bold.ttf`       1.6 MiB  `2bb7c37e098719928fc47383`  M PLUS 1 Code Bold (static TTF, SIL OFL 1.1) from coz-m/MPLUS_FONTS at 2a968b8 (fonts/MPLUS1Code/ttf). Used by 274-transect.ass for {\b1} runs in 274-credits.
 `fonts/MPLUS1Code-Medium.ttf`     1.6 MiB  `0c9342dd910f7daaea1d40ac`  M PLUS 1 Code Medium (static TTF, SIL OFL 1.1) from coz-m/MPLUS_FONTS at 2a968b8 (fonts/MPLUS1Code/ttf). Used by 274-transect.ass style 274-addr.
 `fonts/MPLUS1Code-Regular.ttf`    1.6 MiB  `2f8308951632e89da5e3bcee`  M PLUS 1 Code Regular (static TTF, SIL OFL 1.1) from coz-m/MPLUS_FONTS at 2a968b8 (fonts/MPLUS1Code/ttf). Used by 274-transect.ass style 274-credits.
 `fonts/MPLUS1Code-SemiBold.ttf`   1.6 MiB  `8d5d9c9d3e427a99b2b4e25e`  M PLUS 1 Code SemiBold (static TTF, SIL OFL 1.1) from coz-m/MPLUS_FONTS at 2a968b8 (fonts/MPLUS1Code/ttf). Used by 274-transect.ass style 274-place.
 `fonts/NotoSerifJP-Medium.otf`    6.0 MiB  `b3aa1bf0e4aeb96623aeaab1`  Noto Serif JP Medium (SubsetOTF/JP, v2.003, SIL OFL 1.1) from notofonts/noto-cjk release Serif2.003 (12_NotoSerifJP.zip). Used by 274.ass styles transparent_lyrics_en, transparent_lyrics_jp.
 `fonts/NotoSerifJP-SemiBold.otf`  6.0 MiB  `81863c254d5833df489433c4`  Noto Serif JP SemiBold (SubsetOTF/JP, v2.003, SIL OFL 1.1) from notofonts/noto-cjk release Serif2.003 (12_NotoSerifJP.zip). Used by 274.ass style transparent_title.
@@ -0,0 +1,186 @@
 [
 {
  "frm": 36.5,
  "to": 38.25,
  "code": "01427",
  "city": "夕張郡由仁町",
  "lv": "川端",
  "kana": "かわばた"
 },
 {
  "frm": 38.5,
  "to": 42.0,
  "code": "01429",
  "city": "夕張郡栗山町",
  "lv": "字滝下",
  "kana": "たきした"
 },
 {
  "frm": 42.25,
  "to": 43.0,
  "code": "01427",
  "city": "夕張郡由仁町",
  "lv": "川端",
  "kana": "かわばた"
 },
 {
  "frm": 43.25,
  "to": 44.0,
  "code": "01429",
  "city": "夕張郡栗山町",
  "lv": "字滝下",
  "kana": "たきした"
 },
 {
  "frm": 44.25,
  "to": 48.25,
  "code": "01209",
  "city": "夕張市",
  "lv": "滝ノ上",
  "kana": "たきのうえ"
 },
 {
  "frm": 48.5,
  "to": 55.5,
  "code": "01209",
  "city": "夕張市",
  "lv": "紅葉山",
  "kana": "もみじやま"
 },
 {
  "frm": 55.75,
  "to": 57.75,
  "code": "01209",
  "city": "夕張市",
  "lv": "楓",
  "kana": "かえで"
 },
 {
  "frm": 58.0,
  "to": 61.0,
  "code": "01209",
  "city": "夕張市",
  "lv": "登川",
  "kana": "のぼりかわ"
 },
 {
  "frm": 61.25,
  "to": 62.75,
  "code": "01586",
  "city": "勇払郡むかわ町",
  "lv": "穂別長和",
  "kana": "ほべつおさわ"
 },
 {
  "frm": 63.0,
  "to": 72.0,
  "code": "01586",
  "city": "勇払郡むかわ町",
  "lv": "穂別稲里",
  "kana": "ほべついなさと"
 },
 {
  "frm": 72.25,
  "to": 76.0,
  "code": "01586",
  "city": "勇払郡むかわ町",
  "lv": "穂別長和",
  "kana": "ほべつおさわ"
 },
 {
  "frm": 76.25,
  "to": 88.75,
  "code": "01586",
  "city": "勇払郡むかわ町",
  "lv": "穂別福山",
  "kana": "ほべつふくやま"
 },
 {
  "frm": 89.0,
  "to": 96.75,
  "code": "01463",
  "city": "勇払郡占冠村",
  "lv": "字中央",
  "kana": "ちゅうおう"
 },
 {
  "frm": 97.0,
  "to": 101.75,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "字日高",
  "kana": "ひだか(1く)"
 },
 {
  "frm": 102.0,
  "to": 102.5,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "新町三丁目",
  "kana": "しんまち"
 },
 {
  "frm": 102.75,
  "to": 102.75,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "新町一丁目",
  "kana": "しんまち"
 },
 {
  "frm": 103.0,
  "to": 103.0,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "栄町東一丁目",
  "kana": "さかえまちひがし"
 },
 {
  "frm": 103.25,
  "to": 103.5,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "本町東一丁目",
  "kana": "ほんちょうひがし"
 },
 {
  "frm": 103.75,
  "to": 103.75,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "本町東二丁目",
  "kana": "ほんちょうひがし"
 },
 {
  "frm": 104.0,
  "to": 104.0,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "松風町一丁目",
  "kana": "まつかぜちょう"
 },
 {
  "frm": 104.25,
  "to": 104.25,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "山手町一丁目",
  "kana": "やまてちょう"
 },
 {
  "frm": 104.5,
  "to": 107.0,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "字日高",
  "kana": "ひだか(1く)"
 },
 {
  "frm": 107.25,
  "to": 107.75,
  "code": "01601",
  "city": "沙流郡日高町",
  "lv": "字千栄",
  "kana": "ちさか"
 }
 ]
@@ -0,0 +1,132 @@
 km,name,object,kana,romaji,kind,offset_m,lat,lon,length_m,built,grade,oaza,address,address_kana,location
 37.27,川端,川端,かわばた,Kawabata,place (neighbourhood),32,42.91538,141.89568,,,,川端,夕張郡由仁町川端,ゆうばりぐんゆにちょうかわばた,
 38.41,川端,川端橋,かわばたはし,Kawabata hashi,bridge,0,42.91715,141.90896,255,1991,Ⅰ,川端,夕張郡由仁町川端,ゆうばりぐんゆにちょうかわばた,由仁町
 39.80,川端,北海道企業局 川端発電所,,,power station,451,42.91197,141.91642,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,
 39.80,川端,川端ダム,,,dam,523,42.91140,141.91590,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,
 40.16,滝下,滝下八幡神社,たきしたはちまんじんじゃ,Takishitahachiman jinja,Shinto shrine,98,42.91183,141.92472,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,
 40.57,滝ノ下,滝ノ下信号場,たきのした,Takinoshita,place (locality),400,42.90630,141.92320,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,
 41.02,クオーベツ,クオーベツダム,くおーぺつ,Kuoopetsu,dam,1798,42.89310,141.93874,,,,川端,夕張郡由仁町川端,ゆうばりぐんゆにちょうかわばた,
 41.02,滝下川端,滝下川端連絡線,,,power line,75,42.90857,141.93273,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,
 41.02,砂金,砂金川,,,watercourse,58,42.90889,141.93222,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,石狩川水系
 41.86,雨霧橋,雨霧橋,あまぎりはし,Amagiri hashi,bridge,0,42.91003,141.94197,280.7,1974,Ⅱ,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,栗山町
 43.03,竜仙橋,竜仙橋,りゅうせんばし,Ryuusen bashi,bridge,0,42.91604,141.95220,178,1972,Ⅱ,川端,夕張郡由仁町川端,ゆうばりぐんゆにちょうかわばた,由仁町
 43.07,滝下,北海道企業局 滝下発電所,たきのしたはつでんしょ,Takinoshita hatsudensho,power station,210,42.91801,141.95218,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,
 43.30,滝下,滝下,たきした,Takishita,place (neighbourhood),1636,42.93155,141.95583,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,
 43.64,草木,草木川,そうもく,Soumoku,watercourse,84,42.91577,141.96022,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,石狩川水系
 44.00,草木,草木橋,そうもくはし,Soumoku hashi,bridge,0,42.91449,141.96321,24.1,1979,Ⅲ,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,栗山町
 44.00,滝の上,滝の上こ線橋,たきのうえこせんきょう,Takinoue kosenkyou,bridge,0,42.91449,141.96321,47.6,1975,Ⅲ,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,夕張市
 44.00,草木舞,草木舞沢川,そうもくまいさわ,Soumokumaisawa,watercourse,21,42.91436,141.96339,,,,滝下,夕張郡栗山町滝下,ゆうばりぐんくりやまちょうたきした,石狩川水系
 44.62,滝の上,北海道企業局　滝の上発電所,,,power station,142,42.91152,141.97021,,,,滝ノ上,夕張市滝ノ上,ゆうばりしたきのうえ,
 44.62,滝の上,滝の上公園,,,park,69,42.91225,141.97000,,,,滝ノ上,夕張市滝ノ上,ゆうばりしたきのうえ,
 45.21,カミ,カミの沢川,,,watercourse,40,42.91059,141.97704,,,,滝ノ上,夕張市滝ノ上,ゆうばりしたきのうえ,石狩川水系
 45.21,滝の上,滝ノ上信号場,たきのうえしんごうじょう,Takinoue shingoujou,railway signal post,43,42.91000,141.97642,,,,滝ノ上,夕張市滝ノ上,ゆうばりしたきのうえ,
 45.29,滝の上,滝ノ上神社,たきのうえじんじゃ,Takinoue jinja,Shinto shrine,100,42.90979,141.97873,,,,滝ノ上,夕張市滝ノ上,ゆうばりしたきのうえ,
 47.66,滝の上,滝ノ上,たきのうえ,Takinoue,place (neighbourhood),52,42.90347,142.00470,,,,滝ノ上,夕張市滝ノ上,ゆうばりしたきのうえ,
 48.18,チョポツナイ,チョポツナイ川,ちょぽつない,Chopotsunai,watercourse,63,42.90575,142.01006,,,,滝ノ上,夕張市滝ノ上,ゆうばりしたきのうえ,石狩川水系
 49.71,十三里,十三里信号場,とみさとしんごうじょう,Tomisato shingoujou,place (locality),39,42.91482,142.02439,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,
 50.28,カライケ,カライケの沢川,からいけ,Karaike,watercourse,132,42.91674,142.03132,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,石狩川水系
 50.28,十三里,十三里橋,とみさとはし,Tomisato hashi,bridge,0,42.91772,142.03043,122,1997,Ⅰ,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,夕張市
 50.52,紅葉山,紅葉山駐車帯,もみじやまちゅうしゃたい,Momijiyama chuushatai,parking,41,42.91840,142.03331,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,
 52.11,瑞穂,瑞穂橋,みずほはし,Mizuho hashi,bridge,0,42.93244,142.03548,155,1968,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,夕張市
 52.11,夕張,夕張川,,,watercourse,16,42.93257,142.03538,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,石狩川水系
 52.47,セブン-イレブン,セブンイレブン夕張紅葉山店,せぶんいれぶんゆうばりもみじやまてん,Sebun'irebun'yuubarimomijiyama ten,convenience store,73,42.93507,142.03683,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,
 52.54,新夕張,新夕張駅,しんゆうばり,Shin'yuubari,railway station,173,42.93670,142.03648,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,
 52.61,紅葉山,紅葉山郵便局,もみじやまゆうびんきょく,Momijiyama yuubinkyoku,post office,54,42.93642,142.03925,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,
 52.85,紅葉山,紅葉山神社,もみじやまじんじゃ,Momijiyama jinja,Shinto shrine,67,42.93788,142.03956,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,
 52.99,セイコーマート,セイコーマートもみじやま店,せいこーまーともみじやまてん,Seikoomaatomomijiyama ten,convenience store,31,42.93910,142.04167,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,
 53.13,紅楓,紅楓橋,こうふうばし,Koufuu bashi,bridge,0,42.93855,142.04317,102.5,1958,Ⅱ,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,夕張市
 53.69,久留喜,ポン久留喜橋,ぽんくるきはし,Ponkuruki hashi,bridge,0,42.93697,142.04976,12.7,1984,Ⅰ,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,夕張市
 53.69,久留喜,ポンクルキ川,,,watercourse,16,42.93695,142.04995,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,石狩川水系
 53.69,久留喜,久留喜橋,くるきはし,Kuruki hashi,bridge,0,42.93697,142.04976,34,1962,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,夕張市
 55.14,シイタルキ,シイタルキ川,,,watercourse,143,42.92706,142.06277,,,,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,石狩川水系
 55.41,楓,楓橋,かえでばし,Kaede bashi,bridge,0,42.92957,142.06562,32,1968,Ⅲ,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,夕張市
 55.60,桂,桂橋,かつらはし,Katsura hashi,bridge,0,42.93026,142.06775,48.3,1987,Ⅰ,紅葉山,夕張市紅葉山,ゆうばりしもみじやま,夕張市
 56.60,千紫,千紫橋,せんしばし,Senshi bashi,bridge,0,42.93414,142.07860,31.4,1988,Ⅰ,楓,夕張市楓,ゆうばりしかえで,夕張市
 56.88,楓,楓,かえで,Kaede,place (neighbourhood),711,42.94002,142.08407,,,,楓,夕張市楓,ゆうばりしかえで,
 57.08,楓,楓駐車帯,かえでちゅうしゃたい,Kaede chuushatai,parking,39,42.93352,142.08412,,,,楓,夕張市楓,ゆうばりしかえで,
 57.25,万紅,万紅橋,ばんこうばし,Bankou bashi,bridge,0,42.93274,142.08627,27.6,1988,Ⅰ,楓,夕張市楓,ゆうばりしかえで,夕張市
 57.44,登川,登川神社,のぼりかわじんじゃ,Noborikawa jinja,Shinto shrine,164,42.93395,142.08819,,,,楓,夕張市楓,ゆうばりしかえで,
 57.76,楓,楓信号場,かえでしんごうじょう,Kaede shingoujou,railway signal post,47,42.93157,142.09230,,,,楓,夕張市楓,ゆうばりしかえで,
 57.84,登川,登川橋,のぼりかわばし,Noborikawa bashi,bridge,0,42.93167,142.09327,21,1988,Ⅰ,楓,夕張市楓,ゆうばりしかえで,夕張市
 57.84,登川,登川郵便局,のぼりかわゆうびんきょく,Noborikawa yuubinkyoku,post office,21,42.93185,142.09335,,,,楓,夕張市楓,ゆうばりしかえで,
 58.23,花園,花園橋,はなぞのばし,Hanazono bashi,bridge,0,42.92922,142.09647,58.6,1971,Ⅱ,登川,夕張市登川,ゆうばりしのぼりかわ,夕張市
 58.26,ホルカクルキ,ホルカクルキ川,,,watercourse,9,42.92920,142.09685,,,,登川,夕張市登川,ゆうばりしのぼりかわ,石狩川水系
 58.56,滝沢川,滝沢川,,,watercourse,52,42.92962,142.10029,,,,登川,夕張市登川,ゆうばりしのぼりかわ,石狩川水系
 59.54,松竹沢,松竹沢川,,,watercourse,58,42.93047,142.11198,,,,登川,夕張市登川,ゆうばりしのぼりかわ,石狩川水系
 59.66,登川,登川,のぼりかわ,Noborikawa,place (neighbourhood),1208,42.93831,142.12137,,,,登川,夕張市登川,ゆうばりしのぼりかわ,
 60.29,登川,登川トンネル,のぼりかわとんねる,Noborikawa tonneru,tunnel,0,42.92478,142.11599,348,1978,,登川,夕張市登川,ゆうばりしのぼりかわ,夕張市
 62.36,オマナイ,オマナイ橋,おまないはし,Omanai hashi,bridge,0,42.90892,142.12482,174.2,1988,Ⅲ,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,むかわ町
 62.94,桂木,桂木橋,かつらぎはし,Katsuragi hashi,bridge,0,42.90434,142.12726,129.6,1986,Ⅲ,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,むかわ町
 64.44,大和,大和橋,やまとはし,Yamato hashi,bridge,0,42.89157,142.12305,16,1967,Ⅲ,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,むかわ町
 66.69,豊進,豊進橋,ほうしんばし,Houshin bashi,bridge,0,42.87371,142.13048,16,1967,Ⅲ,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,むかわ町
 66.78,豊進,豊進神社,ほうしんじんじゃ,Houshin jinja,Shinto shrine,49,42.87318,142.13135,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,
 66.83,穂別,穂別キャンプ場,,,campsite,66,42.87222,142.13061,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,
 66.86,石山,石山の沢川,,,watercourse,161,42.87125,142.13037,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,鵡川水系
 67.05,狩勝,狩勝幹線,,,power line,414,42.86806,142.13398,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,
 67.48,豊里,豊里橋,とよさとはし,Toyosato hashi,bridge,0,42.87311,142.13854,27,1966,Ⅰ,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,むかわ町
 67.60,稲豊,稲豊橋,いなとよはし,Inatoyo hashi,bridge,0,42.87313,142.14000,27,1966,Ⅰ,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,むかわ町
 67.62,サヌシュッペ,サヌシュッペ川,,,watercourse,5,42.87304,142.14032,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,鵡川水系
 68.63,稲里,稲里橋,いなさとはし,Inasato hashi,bridge,0,42.87144,142.15164,31,1988,Ⅱ,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,むかわ町
 69.29,稲里,稲里簡易郵便局,いなさとかんいゆうびんきょく,Inasatokan'i yuubinkyoku,post office,161,42.86734,142.15774,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,
 69.48,佐主,佐主橋,さぬしばし,Sanushi bashi,bridge,0,42.86894,142.16085,85,1973,Ⅲ,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,むかわ町
 70.22,穂別,穂別川,,,watercourse,32,42.87408,142.16642,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,鵡川水系
 71.86,穂別,穂別ダム神社,ほべつだむじんじゃ,Hobetsudamu jinja,Shinto shrine,18,42.88475,142.17737,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,
 71.90,穂別,穂別ダム,,,dam,166,42.88502,142.17937,,,,穂別稲里,勇払郡むかわ町穂別稲里,ゆうふつぐんむかわちょうほべついなさと,
 72.02,長和,長和トンネル,おさわとんねる,Osawa tonneru,tunnel,0,42.88619,142.17748,281,1983,,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,むかわ町
 72.29,穂別,穂別大橋,ほべつおおはし,Hobetsu oohashi,bridge,0,42.88820,142.17918,506.2,1979,Ⅲ,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,むかわ町
 72.90,山水,山水橋,さんすいばし,Sansui bashi,bridge,0,42.89187,142.18476,53.5,1979,Ⅰ,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,むかわ町
 72.93,高西,高西の沢川,,,watercourse,9,42.89195,142.18498,,,,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,鵡川水系
 74.31,沼の沢,沼の沢橋,ぬまのさわはし,Numanosawa hashi,bridge,0,42.88830,142.20015,188,1983,Ⅲ,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,むかわ町
 75.28,稲里,稲里トンネル,いなさととんねる,Inasato tonneru,tunnel,0,42.88343,142.20951,1441,1985,Ⅲ,穂別長和,勇払郡むかわ町穂別長和,ゆうふつぐんむかわちょうほべつおさわ,むかわ町
 76.97,ペンケ橋,ペンケ橋,ぺんけばし,Penke bashi,bridge,0,42.87802,142.22782,120.7,1985,Ⅲ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 77.05,オロロップ,オロロップ沢川,,,watercourse,15,42.87849,142.22885,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,鵡川水系
 78.03,下福山,下福山橋,しもふくやまはし,Shimofukuyama hashi,bridge,0,42.88572,142.23487,129.9,1982,Ⅰ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 78.31,オロロップ,オロロップ橋,おろろっぷはし,Ororoppu hashi,bridge,0,42.88721,142.23759,205.9,1983,Ⅱ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 79.11,福山,福山橋,ふくやまはし,Fukuyama hashi,bridge,0,42.89249,142.24390,134.7,1984,Ⅲ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 79.67,福山,福山神社,ふくやまじんじゃ,Fukuyama jinja,Shinto shrine,184,42.89114,142.25175,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,
 79.81,福山第1ゲート,福山第1ゲート,,,gate,71,42.89003,142.25118,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,
 79.86,福山第2ゲート,福山第2ゲート,,,gate,47,42.88890,142.25072,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,
 80.01,穂別福山 (穂別 + 福山),穂別福山,ほべつふくやま,Hobetsufukuyama,place (neighbourhood),172,42.88942,142.25385,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,
 80.24,鵡川,鵡川,,,watercourse,68,42.88740,142.25421,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,鵡川水系
 80.24,福山,福山大橋,ふくやまおおはし,Fukuyama oohashi,bridge,0,42.88678,142.25416,160,1968,Ⅲ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 85.40,千坂,千坂橋,ちさかはし,Chisaka hashi,bridge,0,42.88901,142.29725,138.7,1975,Ⅱ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 85.87,オコタン,オコタン橋,おこたんばし,Okotan bashi,bridge,0,42.89179,142.30059,338,1985,Ⅰ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 86.16,パンケモトツ,パンケモトツ沢川,,,watercourse,10,42.89278,142.30394,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,鵡川水系
 86.24,モトツ,モトツトンネル,もとつとんねる,Mototsu tonneru,tunnel,0,42.89321,142.30463,924,1991,Ⅱ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 87.12,モトツ,モトツ橋,もとつばし,Mototsu bashi,bridge,0,42.89931,142.31156,62,1988,Ⅱ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 87.12,モトツ,モトツシェルター,もとつしぇるたー,Mototsu sherutaa,shed,0,42.89931,142.31156,62,1990,Ⅲ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 87.21,福山,福山トンネル,,,tunnel,0,42.89988,142.31229,839,1991,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 88.04,ペンケモトツ,ペンケモトツ沢川,,,watercourse,26,42.90332,142.32161,,,,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,鵡川水系
 88.04,福穂,福穂橋,ふくすいはし,Fukusui hashi,bridge,0,42.90322,142.32132,210,1990,Ⅰ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 88.25,穂高,穂高トンネル,ほだかとんねる,Hodaka tonneru,tunnel,0,42.90398,142.32368,1991,1991,Ⅱ,穂別福山,勇払郡むかわ町穂別福山,ゆうふつぐんむかわちょうほべつふくやま,むかわ町
 90.58,穂高,穂高橋,ほだかはし,Hodaka hashi,bridge,0,42.90958,142.35128,140.6,1988,Ⅱ,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,占冠村
 90.90,高翠,高翠橋,こうすいばし,Kousui bashi,bridge,0,42.90889,142.35485,114,1988,Ⅰ,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,占冠村
 91.14,占翠,占翠橋,せんすいばし,Sensui bashi,bridge,0,42.90869,142.35768,167,1989,Ⅰ,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,占冠村
 93.58,名石,名石駐車場,めいせきちゅうしゃじょう,Meiseki chuushajou,parking,32,42.90980,142.36986,,,,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,
 93.67,名石,名石橋,めいせきばし,Meiseki bashi,bridge,0,42.91029,142.37052,39.6,1970,Ⅰ,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,占冠村
 93.73,ニセイパオマナイ,ニセイパオマナイ川,,,watercourse,30,42.91045,142.37087,,,,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,鵡川水系
 94.35,赤岩,赤岩大橋,あかいわおおはし,Akaiwa oohashi,bridge,0,42.91317,142.37731,157.4,1970,Ⅱ,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,占冠村
 95.37,一の沢川,一の沢川,,,watercourse,44,42.91532,142.38713,,,,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,鵡川水系
 95.37,渓流,渓流大橋,けいりゅうおおはし,Keiryuu oohashi,bridge,0,42.91502,142.38677,153.7,1974,Ⅲ,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,占冠村
 96.43,日高,日高トンネル,ひだかとんねる,Hidaka tonneru,tunnel,0,42.91588,142.39911,730,1972,Ⅲ,中央,勇払郡占冠村中央,ゆうふつぐんしむかっぷむらちゅうおう,占冠村
 99.93,右の沢川,右の沢川,,,watercourse,145,42.89623,142.41771,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,沙流川水系
 99.98,ホロカワウシャップ,ホロカワウシャップ川,,,watercourse,79,42.89623,142.41942,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,沙流川水系
 100.60,日夕,日夕橋,にちゆうばし,Nichiyuu bashi,bridge,0,42.89710,142.42716,30,1968,Ⅰ,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,日高町
 100.66,パンケウシャップ,パンケウシャップ川,,,watercourse,21,42.89691,142.42766,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,沙流川水系
 100.90,日高,日高,,,place (neighbourhood),373,42.89635,142.43448,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,
 102.18,新町,新町三丁目,しんまち3ちょうめ,Shinmachi 3-choume,place (neighbourhood),13,42.88427,142.43237,,,,新町,沙流郡日高町新町,さるぐんひだかちょうしんまち,
 102.36,日高,日高神社,ひだかじんじゃ,Hidaka jinja,Shinto shrine,221,42.88427,142.43553,,,,宮下町,沙流郡日高町宮下町,さるぐんひだかちょうみやしたちょう,
 102.72,kanamoto,kanamoto,かなもと,Kanamoto,shop,42,42.88086,142.43687,,,,宮下町,沙流郡日高町宮下町,さるぐんひだかちょうみやしたちょう,
 103.12,新川,新川橋,しんかわはし,Shinkawa hashi,bridge,0,42.87791,142.44001,3.6,1993,Ⅰ,本町東,沙流郡日高町本町東,さるぐんひだかちょうほんちょうひがし,日高町
 103.12,新川,新川,にいかわ,Niikawa,watercourse,23,42.87811,142.43992,,,,本町東,沙流郡日高町本町東,さるぐんひだかちょうほんちょうひがし,沙流川水系
 103.29,日高,日高郵便局,ひだかゆうびんきょく,Hidaka yuubinkyoku,post office,85,42.87748,142.44195,,,,本町東,沙流郡日高町本町東,さるぐんひだかちょうほんちょうひがし,
 103.29,セイコーマート,セイコーマート日高道の駅店,せいこーまーとひだかみちのえきてん,Seikoomaatohidakamichinoeki ten,convenience store,85,42.87734,142.44216,,,,本町東,沙流郡日高町本町東,さるぐんひだかちょうほんちょうひがし,
 104.39,ウシャップ,ペンケウシャップ川,,,watercourse,15,42.88146,142.45211,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,沙流川水系
 104.52,日高,北海道電力 日高発電所,ひだかはつでんしょ,Hidaka hatsudensho,power station,666,42.87724,142.45788,,,,千栄,沙流郡日高町千栄,さるぐんひだかちょうちさか,
 105.67,沙流川,沙流川,,,watercourse,272,42.88829,142.46766,,,,千栄,沙流郡日高町千栄,さるぐんひだかちょうちさか,沙流川水系
 105.99,ユウケシュオマナイ,パンケユウケシュオマナイ川,,,watercourse,181,42.88869,142.46778,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,沙流川水系
 106.22,右左府,右左府発電所,うさっぷはつでんしょ,Usappu hatsudensho,power station,244,42.89314,142.46755,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,
 106.22,右左府,右左府変電所,,,substation,245,42.89280,142.46713,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,
 106.47,オワイタカ,オワイタカ沢川,,,watercourse,52,42.89254,142.47167,,,,日高,沙流郡日高町日高,さるぐんひだかちょうひだか,沙流川水系
 107.29,滝の沢川,滝の沢川,,,watercourse,18,42.89575,142.48126,,,,千栄,沙流郡日高町千栄,さるぐんひだかちょうちさか,沙流川水系
 107.83,ルウケシオマナイ,ルウケシオマナイ川,,,watercourse,134,42.89400,142.48842,,,,千栄,沙流郡日高町千栄,さるぐんひだかちょうちさか,沙流川水系
@@ -0,0 +1,99 @@
 start,stop,start_s,stop_s,sung,object,kind,km,lat,lon,km_from,km_to
 00:14.54,00:17.89,14.54,17.89,夕張郡由仁町川端,夕張郡由仁町川端,district,38.41,42.91715,141.90896,38.41,38.41
 00:17.89,00:19.67,17.89,19.67,川端橋,川端橋,bridge,38.41,42.91715,141.90896,,
 00:25.04,00:28.41,25.04,28.41,夕張郡栗山町滝下,夕張郡栗山町滝下,district,39.80,42.91197,141.91642,39.80,41.86
 00:28.41,00:32.06,28.41,32.06,川端発電所,北海道企業局 川端発電所,power station,39.80,42.91197,141.91642,,
 00:32.06,00:35.44,32.06,35.44,滝下八幡神社,滝下八幡神社,Shinto shrine,40.16,42.91183,141.92472,,
 00:35.44,00:39.84,35.44,39.84,滝ノ下信号場,滝ノ下信号場,place (locality),40.57,42.90630,141.92320,,
 00:39.84,00:42.01,39.84,42.01,雨霧橋,雨霧橋,bridge,41.86,42.91003,141.94197,,
 00:42.45,00:45.15,42.45,45.15,夕張郡由仁町川端,夕張郡由仁町川端,district,43.03,42.91604,141.95220,43.03,43.03
 00:45.15,00:46.69,45.15,46.69,竜仙橋,竜仙橋,bridge,43.03,42.91604,141.95220,,
 00:47.63,00:50.08,47.63,50.08,夕張郡栗山町滝下,夕張郡栗山町滝下,district,44.00,42.91449,141.96321,44.00,44.00
 00:50.08,00:52.88,50.08,52.88,草木橋,草木橋,bridge,44.00,42.91449,141.96321,,
 00:52.88,00:54.73,52.88,54.73,滝の上こ線橋,滝の上こ線橋,bridge,44.00,42.91449,141.96321,,
 00:56.44,00:59.95,56.44,59.95,夕張市滝ノ上,夕張市滝ノ上,district,44.62,42.91152,141.97021,44.62,45.29
 00:59.95,01:03.47,59.95,63.47,滝の上発電所,北海道企業局　滝の上発電所,power station,44.62,42.91152,141.97021,,
 01:03.47,01:06.94,63.47,66.94,滝ノ上信号場,滝ノ上信号場,railway signal post,45.21,42.91000,141.97642,,
 01:06.94,01:08.78,66.94,68.78,滝ノ上神社,滝ノ上神社,Shinto shrine,45.29,42.90979,141.97873,,
 01:10.50,01:12.05,70.50,72.05,夕張市紅葉山,夕張市紅葉山,district,49.71,42.91482,142.02439,49.71,55.60
 01:12.05,01:13.86,72.05,73.86,十三里信号場,十三里信号場,place (locality),49.71,42.91482,142.02439,,
 01:13.86,01:16.44,73.86,76.44,十三里橋,十三里橋,bridge,50.28,42.91772,142.03043,,
 01:16.44,01:18.78,76.44,78.78,紅葉山駐車帯,紅葉山駐車帯,parking,50.52,42.91840,142.03331,,
 01:18.78,01:21.06,78.78,81.06,瑞穂橋,瑞穂橋,bridge,52.11,42.93244,142.03548,,
 01:21.06,01:24.44,81.06,84.44,セブンイレブン夕張紅葉山店,セブンイレブン夕張紅葉山店,convenience store,52.47,42.93507,142.03683,,
 01:24.44,01:27.06,84.44,87.06,新夕張駅,新夕張駅,railway station,52.54,42.93670,142.03648,,
 01:27.06,01:30.02,87.06,90.02,紅葉山郵便局,紅葉山郵便局,post office,52.61,42.93642,142.03925,,
 01:30.02,01:32.30,90.02,92.30,紅葉山神社,紅葉山神社,Shinto shrine,52.85,42.93788,142.03956,,
 01:32.30,01:35.24,92.30,95.24,セイコーマートもみじやま店,セイコーマートもみじやま店,convenience store,52.99,42.93910,142.04167,,
 01:35.24,01:38.48,95.24,98.48,紅楓橋,紅楓橋,bridge,53.13,42.93855,142.04317,,
 01:38.48,01:40.25,98.48,100.25,ポン久留喜橋,ポン久留喜橋,bridge,53.69,42.93697,142.04976,,
 01:40.25,01:42.44,100.25,102.44,久留喜橋,久留喜橋,bridge,53.69,42.93697,142.04976,,
 01:42.44,01:43.79,102.44,103.79,楓橋,楓橋,bridge,55.41,42.92957,142.06562,,
 01:43.79,01:45.03,103.79,105.03,桂橋,桂橋,bridge,55.60,42.93026,142.06775,,
 01:45.77,01:49.12,105.77,109.12,夕張市楓,夕張市楓,district,56.60,42.93414,142.07860,56.60,57.84
 01:49.12,01:50.76,109.12,110.76,千紫橋,千紫橋,bridge,56.60,42.93414,142.07860,,
 01:50.76,01:52.51,110.76,112.51,楓駐車帯,楓駐車帯,parking,57.08,42.93352,142.08412,,
 01:52.51,01:53.80,112.51,113.80,万紅橋,万紅橋,bridge,57.25,42.93274,142.08627,,
 01:53.80,01:55.54,113.80,115.54,登川神社,登川神社,Shinto shrine,57.44,42.93395,142.08819,,
 01:55.54,01:57.32,115.54,117.32,楓信号場,楓信号場,railway signal post,57.76,42.93157,142.09230,,
 01:57.32,01:59.00,117.32,119.00,登川橋,登川橋,bridge,57.84,42.93167,142.09327,,
 01:59.00,02:00.74,119.00,120.74,登川郵便局,登川郵便局,post office,57.84,42.93185,142.09335,,
 02:01.26,02:02.93,121.26,122.93,夕張市登川,夕張市登川,district,58.23,42.92922,142.09647,58.23,60.29
 02:02.93,02:05.23,122.93,125.23,花園橋,花園橋,bridge,58.23,42.92922,142.09647,,
 02:05.23,02:06.62,125.23,126.62,登川トンネル,登川トンネル,tunnel,60.29,42.92478,142.11599,,
 03:30.80,03:34.55,210.80,214.55,勇払郡むかわ町穂別長和,勇払郡むかわ町穂別長和,district,62.36,42.90892,142.12482,62.36,62.94
 03:34.55,03:36.77,214.55,216.77,オマナイ橋,オマナイ橋,bridge,62.36,42.90892,142.12482,,
 03:36.77,03:39.41,216.77,219.41,桂木橋,桂木橋,bridge,62.94,42.90434,142.12726,,
 03:41.13,03:44.62,221.13,224.62,勇払郡むかわ町穂別稲里,勇払郡むかわ町穂別稲里,district,64.44,42.89157,142.12305,64.44,71.86
 03:44.62,03:46.67,224.62,226.67,大和橋,大和橋,bridge,64.44,42.89157,142.12305,,
 03:46.67,03:48.38,226.67,228.38,豊進橋,豊進橋,bridge,66.69,42.87371,142.13048,,
 03:48.38,03:51.61,228.38,231.61,豊進神社,豊進神社,Shinto shrine,66.78,42.87318,142.13135,,
 03:51.61,03:53.14,231.61,233.14,豊里橋,豊里橋,bridge,67.48,42.87311,142.13854,,
 03:53.14,03:55.52,233.14,235.52,稲豊橋,稲豊橋,bridge,67.60,42.87313,142.14000,,
 03:55.52,03:57.78,235.52,237.78,稲里橋,稲里橋,bridge,68.63,42.87144,142.15164,,
 03:57.78,04:01.08,237.78,241.08,稲里簡易郵便局,稲里簡易郵便局,post office,69.29,42.86734,142.15774,,
 04:01.08,04:03.50,241.08,243.50,佐主橋,佐主橋,bridge,69.48,42.86894,142.16085,,
 04:03.50,04:05.59,243.50,245.59,穂別ダム神社,穂別ダム神社,Shinto shrine,71.86,42.88475,142.17737,,
 04:05.96,04:10.08,245.96,250.08,勇払郡むかわ町穂別長和,勇払郡むかわ町穂別長和,district,72.02,42.88619,142.17748,72.02,75.28
 04:10.08,04:13.02,250.08,253.02,長和トンネル,長和トンネル,tunnel,72.02,42.88619,142.17748,,
 04:13.02,04:15.39,253.02,255.39,穂別大橋,穂別大橋,bridge,72.29,42.88820,142.17918,,
 04:15.39,04:18.81,255.39,258.81,山水橋,山水橋,bridge,72.90,42.89187,142.18476,,
 04:18.81,04:23.20,258.81,263.20,沼の沢橋,沼の沢橋,bridge,74.31,42.88830,142.20015,,
 04:23.20,04:25.27,263.20,265.27,稲里トンネル,稲里トンネル,tunnel,75.28,42.88343,142.20951,,
 04:26.00,04:29.74,266.00,269.74,勇払郡むかわ町穂別福山,勇払郡むかわ町穂別福山,district,76.97,42.87802,142.22782,76.97,88.25
 04:29.74,04:31.50,269.74,271.50,ペンケ橋,ペンケ橋,bridge,76.97,42.87802,142.22782,,
 04:31.50,04:33.62,271.50,273.62,下福山橋,下福山橋,bridge,78.03,42.88572,142.23487,,
 04:33.62,04:35.02,273.62,275.02,オロロップ橋,オロロップ橋,bridge,78.31,42.88721,142.23759,,
 04:35.02,04:37.07,275.02,277.07,福山橋,福山橋,bridge,79.11,42.89249,142.24390,,
 04:37.07,04:38.70,277.07,278.70,福山神社,福山神社,Shinto shrine,79.67,42.89114,142.25175,,
 04:38.70,04:41.02,278.70,281.02,福山大橋,福山大橋,bridge,80.24,42.88678,142.25416,,
 04:41.02,04:43.29,281.02,283.29,千坂橋,千坂橋,bridge,85.40,42.88901,142.29725,,
 04:43.29,04:45.12,283.29,285.12,オコタン橋,オコタン橋,bridge,85.87,42.89179,142.30059,,
 04:45.12,04:46.22,285.12,286.22,モトツトンネル,モトツトンネル,tunnel,86.24,42.89321,142.30463,,
 04:46.22,04:48.98,286.22,288.98,モトツ橋にモトツシェルター,モトツ橋,bridge,87.12,42.89931,142.31156,,
 04:46.22,04:48.98,286.22,288.98,モトツ橋にモトツシェルター,モトツシェルター,shed,87.12,42.89931,142.31156,,
 04:48.98,04:51.39,288.98,291.39,福山トンネル,福山トンネル,tunnel,87.21,42.89988,142.31229,,
 04:51.39,04:53.61,291.39,293.61,福穂橋,福穂橋,bridge,88.04,42.90322,142.32132,,
 04:53.61,04:55.52,293.61,295.52,穂高トンネル,穂高トンネル,tunnel,88.25,42.90398,142.32368,,
 05:22.60,05:25.76,322.60,325.76,勇払郡占冠村中央,勇払郡占冠村中央,district,90.58,42.90958,142.35128,90.58,96.43
 05:25.76,05:28.88,325.76,328.88,穂高橋,穂高橋,bridge,90.58,42.90958,142.35128,,
 05:28.88,05:31.52,328.88,331.52,高翠橋,高翠橋,bridge,90.90,42.90889,142.35485,,
 05:31.52,05:34.95,331.52,334.95,占翠橋,占翠橋,bridge,91.14,42.90869,142.35768,,
 05:34.95,05:38.08,334.95,338.08,名石駐車場,名石駐車場,parking,93.58,42.90980,142.36986,,
 05:38.08,05:40.99,338.08,340.99,名石橋,名石橋,bridge,93.67,42.91029,142.37052,,
 05:40.99,05:43.96,340.99,343.96,赤岩大橋,赤岩大橋,bridge,94.35,42.91317,142.37731,,
 05:43.96,05:48.62,343.96,348.62,渓流大橋,渓流大橋,bridge,95.37,42.91502,142.38677,,
 05:48.62,05:50.73,348.62,350.73,日高トンネル,日高トンネル,tunnel,96.43,42.91588,142.39911,,
 07:11.39,07:14.14,431.39,434.14,沙流郡日高町日高,沙流郡日高町日高,district,100.60,42.89710,142.42716,100.60,100.60
 07:14.14,07:16.38,434.14,436.38,日夕橋,日夕橋,bridge,100.60,42.89710,142.42716,,
 07:28.85,07:31.68,448.85,451.68,沙流郡日高町宮下町,沙流郡日高町宮下町,district,102.36,42.88427,142.43553,102.36,102.36
 07:31.68,07:34.09,451.68,454.09,日高神社,日高神社,Shinto shrine,102.36,42.88427,142.43553,,
 07:42.90,07:45.51,462.90,465.51,沙流郡日高町本町東,沙流郡日高町本町東,district,103.12,42.87791,142.44001,103.12,103.29
 07:45.51,07:49.88,465.51,469.88,新川橋,新川橋,bridge,103.12,42.87791,142.44001,,
 07:49.88,07:52.76,469.88,472.76,セイコーマート日高道の駅店,セイコーマート日高道の駅店,convenience store,103.29,42.87734,142.44216,,
 07:52.76,07:55.11,472.76,475.11,日高郵便局,日高郵便局,post office,103.29,42.87748,142.44195,,
 07:56.69,07:59.36,476.69,479.36,沙流郡日高町千栄,沙流郡日高町千栄,district,104.52,42.87724,142.45788,104.52,104.52
 07:59.36,08:02.15,479.36,482.15,北電日高発電所,北海道電力 日高発電所,power station,104.52,42.87724,142.45788,,
 08:03.90,08:06.38,483.90,486.38,沙流郡日高町日高,沙流郡日高町日高,district,106.22,42.89314,142.46755,106.22,106.22
 08:06.38,08:09.44,486.38,489.44,右左府発電所,右左府発電所,power station,106.22,42.89314,142.46755,,
 08:10.93,08:12.66,490.93,492.66,東に続く,,closing,,,,,
@@ -0,0 +1 @@
 [[108.557,42.89528,142.49683],[108.603,42.89539,142.49736],[108.649,42.89556,142.49787],[108.695,42.89571,142.49842],[108.736,42.89578,142.4989],[108.794,42.89581,142.49962],[108.84,42.89571,142.50016],[108.946,42.89545,142.50142],[109.173,42.89489,142.5041],[109.371,42.89434,142.5064],[109.456,42.8942,142.50743],[109.52,42.89412,142.5082],[110.111,42.89351,142.51541],[110.297,42.89332,142.51768],[110.457,42.89317,142.51963],[110.482,42.89315,142.51995],[110.575,42.89305,142.52107],[110.738,42.89288,142.52306],[111.028,42.89258,142.5266],[111.056,42.89255,142.52694],[111.318,42.89229,142.53014],[111.333,42.89227,142.53031],[111.358,42.89224,142.53062],[111.359,42.89224,142.53064],[111.498,42.89212,142.53233],[111.527,42.89209,142.53269],[111.596,42.89201,142.53353],[111.671,42.89194,142.53444],[111.814,42.89181,142.53619],[111.842,42.89182,142.53653],[111.864,42.89177,142.5368],[111.958,42.89168,142.53794],[112.065,42.89155,142.53924],[112.09,42.89153,142.53954],[112.111,42.89153,142.53981],[112.138,42.89155,142.54013],[112.164,42.89159,142.54045],[112.196,42.89167,142.54083],[112.333,42.89204,142.54243],[112.688,42.89295,142.5466],[112.973,42.89375,142.54994],[113.048,42.89392,142.55082],[113.143,42.89417,142.55194],[113.202,42.89435,142.55262],[113.23,42.89444,142.55295],[113.27,42.89459,142.55338],[113.312,42.89478,142.55384],[113.395,42.8952,142.55467],[113.435,42.8954,142.55508],[113.492,42.89569,142.55566],[113.793,42.89718,142.55874],[113.829,42.89736,142.55911],[113.851,42.89747,142.55933],[113.987,42.89814,142.56073]]
@@ -0,0 +1 @@
 [[30.456,42.94898,141.83538],[30.485,42.94902,141.83573],[31.021,42.94975,141.84224],[31.152,42.94995,141.84383],[31.305,42.95011,141.8457],[31.317,42.95013,141.84585],[31.385,42.95022,141.84667],[31.396,42.95024,141.8468],[31.405,42.95025,141.84692],[31.543,42.95043,141.84859],[31.633,42.95055,141.84968],[31.656,42.95058,141.84996],[31.663,42.95059,141.85004],[31.719,42.95067,141.85073],[31.953,42.95099,141.85357],[31.986,42.95103,141.85397],[32.022,42.95104,141.85441],[32.046,42.95104,141.8547],[32.061,42.95102,141.85489],[32.082,42.951,141.85514],[32.102,42.95095,141.85538],[32.124,42.95088,141.85564],[32.148,42.95079,141.8559],[32.17,42.95069,141.85614],[32.192,42.95059,141.85636],[32.214,42.95046,141.85658],[32.249,42.95025,141.8569],[32.278,42.95007,141.85715],[32.304,42.9499,141.85737],[32.315,42.94983,141.85746],[32.398,42.94927,141.85815],[32.462,42.94884,141.85865],[32.474,42.94875,141.85875],[32.607,42.94783,141.85978],[32.639,42.9476,141.86004],[32.72,42.94705,141.86067],[32.929,42.94561,141.86234],[32.957,42.94542,141.86256],[33.001,42.94512,141.86292],[33.138,42.94418,141.86399],[33.305,42.94303,141.8653],[33.489,42.94176,141.86678],[33.731,42.94012,141.86873],[33.99,42.93834,141.87077],[34.132,42.93738,141.87193],[34.161,42.93717,141.87214],[34.308,42.93617,141.87331],[34.584,42.93429,141.87554],[34.753,42.93312,141.87686],[35.006,42.9314,141.87888],[35.192,42.93012,141.88036],[35.335,42.92915,141.8815],[35.443,42.92841,141.88237],[35.527,42.92783,141.88304]]
@@ -0,0 +1,74 @@
 # Route data — 274
 Copied from `novoyuuparosk-wiki/ncmr-songs/wip/274/`, which is where these are
 generated and edited. **Treat everything here as read-only**: change it upstream
 and re-copy, or the two will drift.
 ## Files
 | File | What it is |
 |---|---|
 | `274-lyrics-index.csv` | One row per sung line, resolved to its roster entry, with start/stop timing and coordinates. The file the video syncs to. |
 | `274-lookup.csv` | The full roster — every named object on the stretch, sung or not. The page draws all of these; the index only covers the ones that get sung. |
 | `274-route.json` | The road itself: `[km, lat, lon]` per point, for drawing the line. |
 | `274-route-west.json` | A short run of R274 before the western cutoff, same format — km 30.46 to 35.53, ending exactly on the first point of `274-route.json`. The road arriving before 川端橋, in symmetry with the east stub. Also in the GeoJSON as `kind: route-west`. |
 | `274-route-east.json` | A short continuation past the eastern cutoff — km 108.56 to 113.99, overlapping the main shape by 0.18 km so the join is seamless. For `東に続く`: the road visibly carrying on after the last named thing. Also in the GeoJSON as `kind: route-east`. |
 | `274-districts.json` | The 大字 bands with entry/exit km — the strip across the top of the transect page. |
 | `274-lookup.geojson` | Route line, one point per roster entry, and the bands as geometryless features. For anything that wants GeoJSON directly. |
 | `274-transect.html` | The interactive page the video is based on. Self-contained; opens from disk. |
 ## Using the index
 `start` / `stop` are `mm:ss.xx`; `start_s` / `stop_s` are the same in seconds.
 `stop` is the next timestamp in the LRC, blank spacer lines included, so every
 line has one and the spans butt up against each other without gaps.
 Join to `274-lookup.csv` on `object`, which is unique across the roster. The
 `sung` column is the line as it appears in the lyric — the three power stations
 are sung without their operator prefix, so `sung` and `object` differ for those.
 Two row types are not ordinary nodes:
 - **`kind = district`** — the address headers. These have no single point; they
  carry the first coordinate of the run they introduce, plus `km_from`/`km_to`
  spanning it.
 - **`kind = closing`** — `東に続く`, which is text rather than an object. No
  coordinates.
 **モトツ橋にモトツシェルター emits two rows** sharing one timing and one
 coordinate. It is one structure to drive through — a bridge roofed by a shelter,
 between モトツトンネル and 福山トンネル — and two separately inspected facilities
 in the national registers. Light both or either; they are the same place.
 ## Caveats that matter for the visuals
 **All three route shapes are single clean polylines.** Where R274 has a central
 reservation — the divided climbs after 福山大橋 and through 占冠 — OpenStreetMap
 draws each carriageway as its own way. The shapes follow one spine through those
 sections: point spacing adds up to exactly the km span, and km strictly increases
 along every file, so the line can be drawn point to point without sideways spikes.
 **`km` is not an official kilopost.** It is measured along the OpenStreetMap
 route geometry from a datum near 上野幌, because the route relation is broken
 across the divided carriageway in 札幌. Official KP is roughly this plus 14 km,
 unverified. Ordering, spacing and geometry are all internally consistent; only
 the absolute labels would be wrong if shown as real KP.
 **`offset_m` is the straight-line distance from the object to the road.** Some
 things sung are well off the carriageway — 日高神社 is 221 m away, クオーベツダム
 1798 m. If the camera follows the road, an object's own coordinate is not always
 where the camera should point.
 **The lyric is monotonic by km end to end** — no backward jumps — so a camera
 driven by `start_s` moves forward continuously from km 38.41 to 106.22.
 **The lyric ends before the music does.** Lines run 14.54 s to 492.66 s (8:12),
 while the release master is 619.27 s (10:19). Roughly two minutes of music play
 past 東に続く.
 ## Provenance
 How the roster was built, what was verified by hand, and what is derived rather
 than measured: see `274-dev.md` in the source directory. Several entries exist
 only because they were found on Google Maps and are absent from OpenStreetMap
 entirely — ten of them, including four of the eight shrines.
@@ -1,10 +1,12 @@
 import "./index.css";
 import { MyComposition } from "./Composition";
 import { Song274Transect } from "./song-274/Composition";
 export const RemotionRoot: React.FC = () => {
  return (
    <>
      <MyComposition />
      <Song274Transect />
    </>
  );
 };
@@ -0,0 +1,32 @@
 import React from "react";
 import { CalculateMetadataFunction, Composition } from "remotion";
 import { loadTransectData } from "./data";
 import { darkPalette } from "./palette";
 import { Transect, type TransectProps } from "./Transect";
 const FPS = 60;
 /** Length of song-274/audio/274_release2.wav (see BOM.md). */
 const AUDIO_DURATION_S = 619.270083;
 const calculateMetadata: CalculateMetadataFunction<TransectProps> = async ({
  props,
 }) => ({
  props: { ...props, data: await loadTransectData() },
 });
 export const Song274Transect: React.FC = () => (
  <Composition
    id="Song274Transect"
    component={Transect}
    durationInFrames={Math.ceil(AUDIO_DURATION_S * FPS)}
    fps={FPS}
    width={1920}
    height={1080}
    defaultProps={{
      palette: darkPalette,
      audio: "audio/274_release2.wav",
      data: null,
    }}
    calculateMetadata={calculateMetadata}
  />
 );
@@ -0,0 +1,232 @@
 import React, { useMemo } from "react";
 import {
  AbsoluteFill,
  Html5Audio,
  staticFile,
  useCurrentFrame,
  useVideoConfig,
 } from "remotion";
 import {
  blendViews,
  followView,
  narrationParts,
  overviewLeadKm,
  overviewView,
  overviewWeight,
  smoothedFocus,
  toCamera,
  type Frame,
 } from "./camera";
 import type { Cue, RosterItem, TransectData } from "./data";
 import { blackOpacity } from "./fade";
 import {
  extendBounds,
  GROUND,
  nodePositions,
  prefixBounds,
  projectGround,
  routePath,
 } from "./layout";
 import { useWindowedAudioData } from "@remotion/media-utils";
 import { isAwake, mixLooks, nodeLookAt, spectrumLook } from "./nodeAnimation";
 import {
  AUDIO_WINDOW_S,
  audioWindowFrame,
  bandLevels,
  shuffledBandFrequencies,
  spectrumWeight,
 } from "./spectrum";
 import type { TransectPalette } from "./palette";
 import {
  coveredRoute,
  monotoneCurve,
  paintableRoute,
  progressKeyframes,
  routeAtKm,
 } from "./progress";
 export type TransectProps = {
  palette: TransectPalette;
  /** Path under the public dir (song-274/). */
  audio: string;
  /** Filled in by calculateMetadata from song-274/route/. */
  data: TransectData | null;
 };
 /** Road stroke widths in map units; they grow with zoom like everything else. */
 const ROAD_AHEAD_WIDTH = 1.4;
 const ROAD_COVERED_WIDTH = 2.4;
 /** Each object's cues in time order; most nodes are sung exactly once. */
 const cuesByObject = (cues: Cue[]): Map<string, Cue[]> => {
  const map = new Map<string, Cue[]>();
  for (const cue of cues) {
    for (const object of cue.objects) {
      const list = map.get(object) ?? [];
      list.push(cue);
      map.set(object, list);
    }
  }
  return map;
 };
 /** The cue that governs an object at `t`: the latest one to have started. */
 const currentCue = (list: Cue[] | undefined, t: number): Cue | undefined => {
  let current: Cue | undefined;
  for (const cue of list ?? []) {
    if (cue.startS <= t) {
      current = cue;
    }
  }
  return current;
 };
 export const Transect: React.FC<TransectProps> = ({ palette, audio, data }) => {
  const frame = useCurrentFrame();
  const { fps, width, height, durationInFrames } = useVideoConfig();
  const projection = useMemo(() => (data ? projectGround(data.route) : null), [data]);
  // The main road plus the east continuation. The paint runs into the latter
  // after 東に続く; the camera and overview stay on the main road, so that run
  // leaves the screen.
  const paintRoute = useMemo(() => (data ? paintableRoute(data) : []), [data]);
  // The dimmed road ahead includes the east continuation, so it shows all along.
  const fullRoad = useMemo(
    () => (projection && paintRoute.length > 1 ? routePath(paintRoute, projection) : ""),
    [paintRoute, projection],
  );
  const bounds = useMemo(
    () => (data && projection ? prefixBounds(data.route, projection) : []),
    [data, projection],
  );
  const kmAt = useMemo(() => (data ? monotoneCurve(progressKeyframes(data)) : null), [data]);
  const westRoad = useMemo(
    () =>
      data && projection && data.routeWest.length > 1
        ? routePath(data.routeWest, projection)
        : "",
    [data, projection],
  );
  const parts = useMemo(() => narrationParts(data ? data.lines : []), [data]);
  const cueMap = useMemo(() => cuesByObject(data ? data.cues : []), [data]);
  // Nodes at identical coordinates are spread slightly apart along the road.
  const positions = useMemo(
    () => (data && projection ? nodePositions(data.items, data.route, projection) : null),
    [data, projection],
  );
  // Each node gets one log-spaced band, dealt out in a seeded shuffle.
  const frequencies = useMemo(
    () => shuffledBandFrequencies(data ? data.items.length : 0),
    [data],
  );
  const { audioData, dataOffsetInSeconds } = useWindowedAudioData({
    src: staticFile(audio),
    frame: audioWindowFrame(frame, fps),
    fps,
    windowInSeconds: AUDIO_WINDOW_S,
  });
  if (!data || !projection || !kmAt || !positions) {
    return <AbsoluteFill style={{ backgroundColor: palette.background }} />;
  }
  const t = frame / fps;
  const fadeToBlack = blackOpacity(t, (durationInFrames - 1) / fps);
  const headAt = (time: number) => {
    const km = kmAt(time);
    const pos = routeAtKm(data.route, km);
    return { km, index: pos.index, x: projection.x(pos.lon), y: projection.y(pos.lat) };
  };
  const head = headAt(t);
  const routeStartKm = data.route[0][0];
  const routeEndKm = data.route[data.route.length - 1][0];
  const lead = routeAtKm(
    data.route,
    Math.min(routeEndKm, head.km + overviewLeadKm(head.km - routeStartKm)),
  );
  const view: Frame = {
    worldWidth: GROUND.width,
    worldHeight: projection.height,
    frameWidth: width,
    frameHeight: height,
  };
  const camera = toCamera(
    blendViews(
      followView(smoothedFocus(headAt, t)),
      overviewView(
        extendBounds(bounds[lead.index], projection.x(lead.lon), projection.y(lead.lat)),
        view,
      ),
      overviewWeight(parts, t),
    ),
    view,
  );
  // In the outro the nodes hand over from their lyric looks to the spectrum.
  const spectrum = spectrumWeight(t);
  const levels =
    spectrum > 0 && audioData
      ? bandLevels({ audioData, dataOffsetInSeconds, frame, fps, frequencies })
      : null;
  const nodes = data.items.map((item: RosterItem, i) => {
    const lyricLook = nodeLookAt(currentCue(cueMap.get(item.object), t), t);
    return {
      item,
      look: levels ? mixLooks(lyricLook, spectrumLook(levels[i]), spectrum) : lyricLook,
    };
  });
  const draw = ({ item, look }: (typeof nodes)[number]) => (
    <circle
      key={item.object}
      cx={positions.get(item.object)?.x ?? projection.x(item.lon)}
      cy={positions.get(item.object)?.y ?? projection.y(item.lat)}
      r={look.radius}
      fill={palette[item.family]}
      opacity={look.opacity}
    />
  );
  return (
    <AbsoluteFill style={{ backgroundColor: palette.background }}>
      <Html5Audio src={staticFile(audio)} />
      <svg width={width} height={height} viewBox={`0 0 ${width} ${height}`}>
        <g transform={`translate(${camera.originX} ${camera.originY}) scale(${camera.scale})`}>
          <path
            d={fullRoad}
            fill="none"
            stroke={palette.roadAhead}
            strokeWidth={ROAD_AHEAD_WIDTH}
            strokeLinejoin="round"
          />
          {/* The road arriving from the west: already travelled, so always painted. */}
          {westRoad ? (
            <path
              d={westRoad}
              fill="none"
              stroke={palette.roadCovered}
              strokeWidth={ROAD_COVERED_WIDTH}
              strokeLinejoin="round"
              strokeLinecap="round"
            />
          ) : null}
          <path
            d={routePath(coveredRoute(paintRoute, head.km), projection)}
            fill="none"
            stroke={palette.roadCovered}
            strokeWidth={ROAD_COVERED_WIDTH}
            strokeLinejoin="round"
            strokeLinecap="round"
          />
          {/* Animating nodes last so they sit on top of their neighbours. */}
          {nodes.filter((n) => !isAwake(n.look)).map(draw)}
          {nodes.filter((n) => isAwake(n.look)).map(draw)}
        </g>
      </svg>
      {/* Fade from and to black at the two ends (fade.ts). */}
      {fadeToBlack > 0 ? (
        <AbsoluteFill style={{ backgroundColor: "#000000", opacity: fadeToBlack }} />
      ) : null}
    </AbsoluteFill>
  );
 };
@@ -0,0 +1,172 @@
 import type { Bounds } from "./layout";
 /**
 * Where the map sits on screen.
 *
 * The song narrates the road in parts separated by long instrumental breaks.
 * During a part the camera holds a fixed close zoom and follows the head of the
 * covered road. When a part ends it pulls back to frame everything covered so
 * far, and just before the next part it closes in on the head again, arriving
 * as the first line starts. After the last part it pulls back for good, which
 * by then frames the whole route.
 *
 * Views are described in map units ({zoom, centre}); `toCamera` turns one into
 * the scale and origin the drawing uses: screen = map unit × scale + origin.
 */
 /** Zoom while following, relative to the whole route fitting the frame width. */
 export const FOLLOW_ZOOM = 4;
 /** Lines closer together than this belong to the same narration part. */
 export const PART_GAP_S = 20;
 /** Pull-back after a part ends, and close-in before the next one starts. */
 export const ZOOM_OUT_S = 3;
 export const ZOOM_IN_S = 3;
 /**
 * The camera follows a Gaussian-weighted average of the head's position, so a
 * road zigzagging under a nearly straight run of objects does not shake it.
 * This is the standard deviation, in seconds; the window spans ±3 of these.
 */
 export const FOLLOW_SMOOTH_S = 0.6;
 /**
 * How often that window is sampled, in seconds. Independent of fps: finer
 * sampling costs more per frame and changes the average only slightly.
 */
 export const FOLLOW_SAMPLE_S = 1 / 30;
 /**
 * An overview frames the covered road plus some road ahead of the head, so the
 * head does not sit against the frame edge: this fraction of the distance
 * covered so far, but never less than the minimum.
 */
 export const OVERVIEW_LEAD = 0.25;
 export const OVERVIEW_LEAD_MIN_KM = 3;
 /** Frame pixels kept clear around an overview. */
 export const MARGIN_X = 80;
 export const MARGIN_Y = 80;
 export type Span = { startS: number; endS: number };
 export type Point = { x: number; y: number };
 export type View = { zoom: number; centreX: number; centreY: number };
 export type Camera = { scale: number; originX: number; originY: number };
 export type Frame = {
  worldWidth: number;
  worldHeight: number;
  frameWidth: number;
  frameHeight: number;
 };
 const clamp01 = (v: number) => Math.min(1, Math.max(0, v));
 const easeInOutCubic = (p: number) =>
  p < 0.5 ? 4 * p * p * p : 1 - Math.pow(-2 * p + 2, 3) / 2;
 /** Merge lyric lines into narration parts wherever the gap is short. */
 export const narrationParts = (lines: { startS: number; stopS: number }[]): Span[] => {
  const sorted = lines.slice().sort((a, b) => a.startS - b.startS);
  const parts: Span[] = [];
  for (const line of sorted) {
    const last = parts[parts.length - 1];
    if (last && line.startS - last.endS <= PART_GAP_S) {
      last.endS = Math.max(last.endS, line.stopS);
    } else {
      parts.push({ startS: line.startS, endS: line.stopS });
    }
  }
  return parts;
 };
 /**
 * 0 while following the head, 1 while showing everything covered so far.
 * The intro before the first part counts as following.
 */
 export const overviewWeight = (parts: Span[], t: number): number => {
  for (let i = 0; i < parts.length; i++) {
    const part = parts[i];
    if (t < part.startS) {
      if (i === 0) {
        return 0;
      }
      const out = clamp01((t - parts[i - 1].endS) / ZOOM_OUT_S);
      const into = clamp01((part.startS - t) / ZOOM_IN_S);
      return easeInOutCubic(Math.min(out, into));
    }
    if (t <= part.endS) {
      return 0;
    }
  }
  const lastPart = parts[parts.length - 1];
  return lastPart ? easeInOutCubic(clamp01((t - lastPart.endS) / ZOOM_OUT_S)) : 0;
 };
 /** The head's position averaged over a Gaussian window around `t`. */
 export const smoothedFocus = (focusAt: (t: number) => Point, t: number): Point => {
  const step = FOLLOW_SAMPLE_S;
  const reach = 3 * FOLLOW_SMOOTH_S;
  let sumX = 0;
  let sumY = 0;
  let sumW = 0;
  for (let dt = -reach; dt <= reach + 1e-9; dt += step) {
    const w = Math.exp(-(dt * dt) / (2 * FOLLOW_SMOOTH_S * FOLLOW_SMOOTH_S));
    const p = focusAt(t + dt);
    sumX += p.x * w;
    sumY += p.y * w;
    sumW += w;
  }
  return { x: sumX / sumW, y: sumY / sumW };
 };
 const fitScale = (frame: Frame) => (frame.frameWidth - 2 * MARGIN_X) / frame.worldWidth;
 /** How much road beyond the head (km) an overview includes. */
 export const overviewLeadKm = (coveredKm: number): number =>
  Math.max(OVERVIEW_LEAD_MIN_KM, coveredKm * OVERVIEW_LEAD);
 export const followView = (focus: Point): View => ({
  zoom: FOLLOW_ZOOM,
  centreX: focus.x,
  centreY: focus.y,
 });
 /** Frame `bounds` with margins, never closer than following nor wider than the full map. */
 export const overviewView = (bounds: Bounds, frame: Frame): View => {
  const base = fitScale(frame);
  const width = Math.max(bounds.maxX - bounds.minX, 1e-6);
  const height = Math.max(bounds.maxY - bounds.minY, 1e-6);
  const zoom = Math.min(
    (frame.frameWidth - 2 * MARGIN_X) / (width * base),
    (frame.frameHeight - 2 * MARGIN_Y) / (height * base),
  );
  return {
    zoom: Math.min(FOLLOW_ZOOM, Math.max(1, zoom)),
    centreX: (bounds.minX + bounds.maxX) / 2,
    centreY: (bounds.minY + bounds.maxY) / 2,
  };
 };
 /** Blend two views; zoom on a log scale so zooming in and out feel even. */
 export const blendViews = (a: View, b: View, w: number): View => ({
  zoom: Math.exp(Math.log(a.zoom) + (Math.log(b.zoom) - Math.log(a.zoom)) * w),
  centreX: a.centreX + (b.centreX - a.centreX) * w,
  centreY: a.centreY + (b.centreY - a.centreY) * w,
 });
 /**
 * Centre on `focus`, but never scroll past the map's ends: once the map is
 * smaller than the view, centre the map itself.
 */
 const clampAxis = (focus: number, worldSize: number, halfView: number, scale: number) => {
  const low = halfView / scale;
  const high = worldSize - halfView / scale;
  return low >= high ? worldSize / 2 : Math.min(high, Math.max(low, focus));
 };
 export const toCamera = (view: View, frame: Frame): Camera => {
  const scale = fitScale(frame) * view.zoom;
  const centreX = clampAxis(view.centreX, frame.worldWidth, frame.frameWidth / 2 - MARGIN_X, scale);
  const centreY = clampAxis(view.centreY, frame.worldHeight, frame.frameHeight / 2, scale);
  return {
    scale,
    originX: frame.frameWidth / 2 - centreX * scale,
    originY: frame.frameHeight / 2 - centreY * scale,
  };
 };
@@ -0,0 +1,216 @@
 import { staticFile } from "remotion";
 import type { FeatureFamily } from "./palette";
 /**
 * Loads the route data straight from `song-274/route/` (the public dir), so the
 * video never holds its own copy that could drift from the wiki. See that
 * folder's README for what each file is.
 */
 export type RosterItem = {
  object: string;
  kind: string;
  family: FeatureFamily;
  /** Distance along the road; the nearest road point for off-road objects. */
  km: number;
  lat: number;
  lon: number;
 };
 /** `[km, lat, lon]` along the road, in order of km. */
 export type RoutePoint = [number, number, number];
 /** One sung line: the roster entries it lights, where they are, and when. */
 export type Cue = {
  startS: number;
  stopS: number;
  /** Distance along the road; the nearest road point for off-road objects. */
  km: number;
  objects: string[];
 };
 export type TransectData = {
  route: RoutePoint[];
  /**
   * The road carrying on past the eastern cutoff (274-route-east.json), painted
   * only after 東に続く. Empty if the file is absent.
   */
  routeEast: RoutePoint[];
  /**
   * The road arriving before the western cutoff (274-route-west.json), always
   * drawn as covered. Empty if the file is absent.
   */
  routeWest: RoutePoint[];
  /** When 東に続く (the closing line) starts, or null if the index has none. */
  closingStartS: number | null;
  /** Only the entries the song names; nothing else is drawn. */
  items: RosterItem[];
  cues: Cue[];
  /** Every lyric line, districts and 東に続く included: when words are sung. */
  lines: { startS: number; stopS: number }[];
  /** When the last lyric line (東に続く included) ends. */
  lyricsEndS: number;
 };
 /**
 * The page's famOf() grouping, plus shrines and railway. Railway goes by name as
 * well as kind: some 信号場 are in the roster as `place (locality)`.
 */
 const familyOf = (kind: string, object: string): FeatureFamily => {
  if (
    kind === "railway station" ||
    kind === "railway signal post" ||
    /信号場$/.test(object)
  ) {
    return "railway";
  }
  if (
    kind === "bridge" ||
    kind === "tunnel" ||
    kind === "shed" ||
    kind === "watercourse"
  ) {
    return kind;
  } else if (
    kind === "Shinto shrine"
  ) {
    return "shrine";
  }
  return kind.indexOf("place") === 0 ? "place" : "other";
 };
 /** RFC 4180 CSV into header-keyed rows. Quoted fields may hold commas. */
 const parseCsv = (text: string): Record<string, string>[] => {
  const rows: string[][] = [];
  let row: string[] = [];
  let field = "";
  let quoted = false;
  const src = text.charCodeAt(0) === 0xfeff ? text.slice(1) : text;
  for (let i = 0; i < src.length; i++) {
    const c = src[i];
    if (quoted) {
      if (c !== '"') {
        field += c;
      } else if (src[i + 1] === '"') {
        field += '"';
        i++;
      } else {
        quoted = false;
      }
    } else if (c === '"') {
      quoted = true;
    } else if (c === ",") {
      row.push(field);
      field = "";
    } else if (c === "\n" || c === "\r") {
      if (c === "\r" && src[i + 1] === "\n") {
        i++;
      }
      row.push(field);
      rows.push(row);
      row = [];
      field = "";
    } else {
      field += c;
    }
  }
  if (field !== "" || row.length > 0) {
    row.push(field);
    rows.push(row);
  }
  const [header, ...body] = rows.filter((r) => r.length > 1 || r[0] !== "");
  return body.map((r) => {
    const record: Record<string, string> = {};
    header.forEach((key, j) => {
      record[key] = r[j] === undefined ? "" : r[j];
    });
    return record;
  });
 };
 const fetchText = async (path: string): Promise<string> => {
  const res = await fetch(staticFile(path));
  if (!res.ok) {
    throw new Error(`Could not load ${path}: HTTP ${res.status}`);
  }
  return res.text();
 };
 /** Like fetchText, but a missing file (404) is not an error: returns null. */
 const fetchOptionalText = async (path: string): Promise<string | null> => {
  const res = await fetch(staticFile(path));
  if (res.status === 404) {
    return null;
  }
  if (!res.ok) {
    throw new Error(`Could not load ${path}: HTTP ${res.status}`);
  }
  return res.text();
 };
 export const loadTransectData = async (): Promise<TransectData> => {
  const [routeJson, routeEastJson, routeWestJson, lookupCsv, indexCsv] = await Promise.all([
    fetchText("route/274-route.json"),
    fetchOptionalText("route/274-route-east.json"),
    fetchOptionalText("route/274-route-west.json"),
    fetchText("route/274-lookup.csv"),
    fetchText("route/274-lyrics-index.csv"),
  ]);
  const roster = new Map<string, RosterItem>();
  for (const r of parseCsv(lookupCsv)) {
    roster.set(r.object, {
      object: r.object,
      kind: r.kind,
      family: familyOf(r.kind, r.object),
      km: Number(r.km),
      lat: Number(r.lat),
      lon: Number(r.lon),
    });
  }
  const items: RosterItem[] = [];
  const cues: Cue[] = [];
  const lines: TransectData["lines"] = [];
  let lyricsEndS = 0;
  let closingStartS: number | null = null;
  for (const r of parseCsv(indexCsv)) {
    lyricsEndS = Math.max(lyricsEndS, Number(r.stop_s));
    lines.push({ startS: Number(r.start_s), stopS: Number(r.stop_s) });
    if (r.kind === "closing") {
      closingStartS = Number(r.start_s);
    }
    // Address headers and the closing line have no single node to light.
    if (r.kind === "district" || r.kind === "closing") {
      continue;
    }
    const item = roster.get(r.object);
    if (!item) {
      throw new Error(`Lyrics index names ${r.object}, which is not in the roster`);
    }
    items.push(item);
    const startS = Number(r.start_s);
    const stopS = Number(r.stop_s);
    const last = cues[cues.length - 1];
    // モトツ橋にモトツシェルター emits two rows sharing one timing: light both.
    if (last && last.startS === startS && last.stopS === stopS) {
      last.objects.push(r.object);
      continue;
    }
    cues.push({ startS, stopS, km: Number(r.km), objects: [r.object] });
  }
  return {
    route: JSON.parse(routeJson) as RoutePoint[],
    routeEast: routeEastJson ? (JSON.parse(routeEastJson) as RoutePoint[]) : [],
    routeWest: routeWestJson ? (JSON.parse(routeWestJson) as RoutePoint[]) : [],
    closingStartS,
    items,
    cues,
    lines,
    lyricsEndS,
  };
 };
@@ -0,0 +1,28 @@
 /**
 * Fade from and to a completely black screen at the two ends of the video: a
 * black layer over everything, fully opaque on the first and last frames.
 */
 /** Seconds of complete black at start */
 export const FADE_IN_PRE = 0.4;
 /** Seconds of complete black at end */
 export const FADE_OUT_POST = 0.4;
 /** Seconds from black to the picture at the start. 0 disables the fade-in. */
 export const FADE_IN_S = 0.3;
 /** Seconds from the picture to black at the end. 0 disables the fade-out. */
 export const FADE_OUT_S = 0.2;
 const clamp01 = (v: number) => Math.min(1, Math.max(0, v));
 /**
 * Opacity of the black layer at time `t`.
 * @param lastFrameS time of the video's last frame, (durationInFrames - 1) / fps,
 *                   so that frame is fully black rather than nearly so
 */
 export const blackOpacity = (t: number, lastFrameS: number): number => {
  const fadeIn = (t < FADE_IN_PRE) ? 1 : (FADE_IN_S > 0 ? 1 - clamp01((t - FADE_IN_PRE) / FADE_IN_S) : 0);
  // Black from here to the last frame; the fade-out ramp ends exactly here.
  const blackFromS = lastFrameS - FADE_OUT_POST;
  const fadeOut = (t >= blackFromS) ? 1 : (FADE_OUT_S > 0 ? clamp01((t - (blackFromS - FADE_OUT_S)) / FADE_OUT_S) : 0);
  return Math.max(fadeIn, fadeOut);
 };
@@ -0,0 +1,134 @@
 import type { RosterItem, RoutePoint } from "./data";
 /**
 * The "Ground — true shape" projection of `274-transect.html`, in the page's
 * own units: an equirectangular plot with longitude shrunk by cos(lat), so
 * distances read true east–west and north–south. camera.ts decides how these
 * units land on screen.
 */
 export const GROUND = {
  width: 1200,
  pad: 34,
 } as const;
 export type Projection = {
  height: number;
  x: (lon: number) => number;
  y: (lat: number) => number;
 };
 export const projectGround = (route: RoutePoint[]): Projection => {
  const lats = route.map((p) => p[1]);
  const lons = route.map((p) => p[2]);
  const la0 = Math.min(...lats);
  const la1 = Math.max(...lats);
  const lo0 = Math.min(...lons);
  const lo1 = Math.max(...lons);
  const kx = Math.cos((((la0 + la1) / 2) * Math.PI) / 180);
  const sx = (lo1 - lo0) * kx;
  const sy = la1 - la0;
  const iw = GROUND.width - 2 * GROUND.pad;
  const ih = (iw * sy) / sx;
  return {
    height: ih + 2 * GROUND.pad,
    x: (lon) => GROUND.pad + (((lon - lo0) * kx) / sx) * iw,
    y: (lat) => GROUND.pad + ih - ((lat - la0) / sy) * ih,
  };
 };
 /**
 * Distance, in map units, between nodes that share exactly the same roster
 * coordinates (草木橋 / 滝の上こ線橋, ポン久留喜橋 / 久留喜橋, モトツ橋 /
 * モトツシェルター): small, so they read as a doubled dot on the road. Grows with
 * zoom like the nodes themselves. (1 map unit ≈ 44 m on the ground here.)
 */
 export const COINCIDENT_SPREAD = 1.5;
 export type NodePosition = { x: number; y: number };
 /** Direction of the road at `km`, as a unit vector in map units. */
 const roadDirection = (route: RoutePoint[], km: number, proj: Projection) => {
  const at = (k: number) => {
    let i = 1;
    while (i < route.length - 1 && route[i][0] < k) {
      i++;
    }
    const [k0, lat0, lon0] = route[i - 1];
    const [k1, lat1, lon1] = route[i];
    const p = k1 === k0 ? 0 : Math.min(1, Math.max(0, (k - k0) / (k1 - k0)));
    return { x: proj.x(lon0 + (lon1 - lon0) * p), y: proj.y(lat0 + (lat1 - lat0) * p) };
  };
  const a = at(km - 0.1);
  const b = at(km + 0.1);
  const length = Math.hypot(b.x - a.x, b.y - a.y);
  return length > 0 ? { x: (b.x - a.x) / length, y: (b.y - a.y) / length } : { x: 1, y: 0 };
 };
 /**
 * Where each node is drawn, by object name. Usually its roster coordinate; nodes
 * sharing exactly the same coordinate are spread COINCIDENT_SPREAD apart along
 * the road there, in road order, centred on the shared point. All such pairs are
 * on-road structures, so they stay on the road. Keep the spread small: at 6,
 * モトツシェルター landed on 福山トンネル, only 90 m further on.
 */
 export const nodePositions = (
  items: RosterItem[],
  route: RoutePoint[],
  proj: Projection,
 ): Map<string, NodePosition> => {
  const groups = new Map<string, RosterItem[]>();
  for (const item of items) {
    const key = `${item.lat},${item.lon}`;
    const group = groups.get(key) ?? [];
    group.push(item);
    groups.set(key, group);
  }
  const positions = new Map<string, NodePosition>();
  groups.forEach((group) => {
    const x = proj.x(group[0].lon);
    const y = proj.y(group[0].lat);
    if (group.length === 1) {
      positions.set(group[0].object, { x, y });
      return;
    }
    const ordered = group.slice().sort((a, b) => a.km - b.km);
    const dir = roadDirection(route, ordered[0].km, proj);
    ordered.forEach((item, i) => {
      const offset = (i - (ordered.length - 1) / 2) * COINCIDENT_SPREAD;
      positions.set(item.object, { x: x + dir.x * offset, y: y + dir.y * offset });
    });
  });
  return positions;
 };
 export type Bounds = { minX: number; minY: number; maxX: number; maxY: number };
 /** Bounds of the projected route from its start up to each point, inclusive. */
 export const prefixBounds = (route: RoutePoint[], proj: Projection): Bounds[] => {
  const out: Bounds[] = [];
  for (const p of route) {
    const x = proj.x(p[2]);
    const y = proj.y(p[1]);
    const prev = out[out.length - 1];
    out.push(prev ? extendBounds(prev, x, y) : { minX: x, minY: y, maxX: x, maxY: y });
  }
  return out;
 };
 export const extendBounds = (b: Bounds, x: number, y: number): Bounds => ({
  minX: Math.min(b.minX, x),
  minY: Math.min(b.minY, y),
  maxX: Math.max(b.maxX, x),
  maxY: Math.max(b.maxY, y),
 });
 export const routePath = (points: RoutePoint[], proj: Projection): string =>
  points
    .map(
      (p, i) =>
        `${i ? "L" : "M"}${proj.x(p[2]).toFixed(2)} ${proj.y(p[1]).toFixed(2)}`,
    )
    .join("");
@@ -0,0 +1,94 @@
 import type { Cue } from "./data";
 /**
 * How one node looks at one instant. The animation functions below produce
 * these, and Transect.tsx only draws them, so adding a property here (a colour,
 * a stroke, a glow) is the only change the drawing needs to follow.
 */
 export type NodeLook = {
  radius: number;
  opacity: number;
 };
 /**
 * A node that is not being sung. Radius is in map units (the page's pixels),
 * so nodes grow with the camera's zoom. (The page itself uses 3 at 0.85.)
 */
 export const RESTING: NodeLook = { radius: 2.5, opacity: 0.9 };
 /** A node while its line is sung: the page's selected mark. */
 export const LIT: NodeLook = { radius: 7, opacity: 1 };
 const clamp01 = (v: number) => Math.min(1, Math.max(0, v));
 /** Slightly slower lighting up and switching off. Relatively slower decay. */
 const LIGHT_UP_S = 0.12;
 const SWITCH_OFF_S = 0.5;
 /** Blend two looks; p = 0 is `from`, p = 1 is `to`. */
 export const mixLooks = (from: NodeLook, to: NodeLook, p: number): NodeLook => ({
  radius: from.radius + (to.radius - from.radius) * p,
  opacity: from.opacity + (to.opacity - from.opacity) * p,
 });
 /**
 * A node being switched on.
 * @param elapsedS seconds since its line started (0 at the lyric timestamp)
 * @param from     the look it starts from
 */
 export const lightUp = (elapsedS: number, from: NodeLook = RESTING): NodeLook =>
  mixLooks(from, LIT, clamp01(elapsedS / LIGHT_UP_S));
 /**
 * A node being switched off.
 * @param elapsedS seconds since its line ended (0 at the next lyric timestamp)
 * @param from     the look it had when it was switched off
 */
 export const switchOff = (elapsedS: number, from: NodeLook = LIT): NodeLook =>
  mixLooks(from, RESTING, clamp01(elapsedS / SWITCH_OFF_S));
 /** Longest a node holds fully lit, after lighting up, before it switches off. */
 export const MAX_LIT_S = 0.9;
 /**
 * When a cue's nodes start switching off: when the line ends, or once they have
 * lit up and held for MAX_LIT_S, whichever comes first, so a long line does not
 * keep a node lit for too long.
 */
 export const switchOffAt = (cue: Cue): number =>
  Math.min(cue.stopS, cue.startS + LIGHT_UP_S + MAX_LIT_S);
 /**
 * The look of a node at time `t`, given the cue that lights it (or none).
 * Before the line: resting. Then lighting up until switchOffAt(). After that:
 * switching off, starting from however far the light-up got, so a short line
 * never jumps.
 */
 export const nodeLookAt = (cue: Cue | undefined, t: number): NodeLook => {
  if (!cue || t < cue.startS) {
    return RESTING;
  }
  const offS = switchOffAt(cue);
  if (t < offS) {
    return lightUp(t - cue.startS);
  }
  return switchOff(t - offS, lightUp(offS - cue.startS));
 };
 /** A node at full amplitude in the outro spectrum (see spectrum.ts). */
 export const SPECTRUM_PEAK: NodeLook = { radius: 9, opacity: 1 };
 /** level scaling helper */
 export const levelExponential = (level: number, exponent: number = 2.0): number =>
  Math.pow(clamp01(level), exponent);
 /**
 * A node in the outro spectrum.
 * @param level its band's level, 0 (silence: resting) to 1 (SPECTRUM_PEAK)
 */
 export const spectrumLook = (level: number): NodeLook =>
  mixLooks(RESTING, SPECTRUM_PEAK, clamp01(levelExponential(level)));
 /** Whether a look is anything other than resting (drawn on top if so). */
 export const isAwake = (look: NodeLook): boolean =>
  look.radius !== RESTING.radius || look.opacity !== RESTING.opacity;
@@ -0,0 +1,66 @@
 /**
 * Every colour the 274 transect video draws, named by what it is for rather than
 * what it looks like. Change values here, or override `palette` in the Studio's
 * input props, without touching the drawing code.
 *
 * The dark palette is the video's own, grown from the dark palette of
 * `song-274/route/274-transect.html`; comments name the page's CSS variable each
 * token corresponds to. The light palette is the page's, extended with the
 * tokens the video added (shrine, railway).
 */
 export type TransectPalette = {
  /** Frame background. */
  background: string;
  /** The whole road, before the song has covered it. */
  roadAhead: string;
  /** The road the song has covered so far. */
  roadCovered: string;
  /** Node fill per feature family, as on the page's legend. */
  bridge: string;
  tunnel: string;
  shed: string;
  watercourse: string;
  place: string;
  /** Stations and every 信号場, whatever their roster kind. */
  railway: string;
  shrine: string;
  other: string;
 };
 export type FeatureFamily =
  | "bridge"
  | "tunnel"
  | "shed"
  | "watercourse"
  | "place"
  | "railway"
  | "shrine"
  | "other";
 export const darkPalette: TransectPalette = {
  background: "#28323d", // --paper
  roadAhead: "#49565f", // --rule
  roadCovered: "#fdb021", // --road
  bridge: "#9be9de", // --bridge
  tunnel: "#a6ccc2", // --tunnel
  shed: "#eba9eb", // --shed
  watercourse: "#5FB6D6", // --water
  place: "#68ad7f", // --place
  railway: "#68ad7f", // --railway
  shrine: "#b94141", // --shrine
  other: "#8b9ab8", // --util
 };
 export const lightPalette: TransectPalette = {
  background: "#E7ECEE",
  roadAhead: "#C0CCD2",
  roadCovered: "#2E4A5A",
  bridge: "#116B62",
  tunnel: "#3A4650",
  shed: "#7A5AA6",
  watercourse: "#2F7E9E",
  place: "#8A6D1F",
  railway: "#1F6E43",
  shrine: "#9B2C2C",
  other: "#5B6B75",
 };
@@ -0,0 +1,154 @@
 import type { RoutePoint, TransectData } from "./data";
 /**
 * How far along the road (km) the song has got at any moment: the head of the
 * "covered so far" paint, and what the camera follows.
 *
 * The head is pinned to each sung object's km at the instant its line starts,
 * and glides between those pins on a monotone cubic curve: it passes through
 * every pin exactly, never runs backwards, and changes speed smoothly rather
 * than lurching at each object.
 */
 export type Keyframe = { t: number; km: number };
 /** How long the paint takes to run the east continuation once 東に続く starts. */
 export const EAST_RUN_S = 75.0;
 /**
 * Pins, in time order: the start of the route at 0 s and each sung line's
 * object. Then the end of the main road as 東に続く starts, and the end of the
 * east continuation EAST_RUN_S later. Without a closing line or an east
 * continuation, the main road simply ends as the last lyric line ends.
 */
 export const progressKeyframes = (data: TransectData): Keyframe[] => {
  const { route, routeEast, closingStartS, cues, lyricsEndS } = data;
  const keys: Keyframe[] = [{ t: 0, km: route[0][0] }];
  // Keep time strictly increasing and km never decreasing.
  const pin = (t: number, km: number) => {
    const last = keys[keys.length - 1];
    if (t <= last.t) {
      last.km = Math.max(last.km, km);
    } else {
      keys.push({ t, km: Math.max(last.km, km) });
    }
  };
  for (const cue of cues) {
    pin(cue.startS, cue.km);
  }
  const mainEndKm = route[route.length - 1][0];
  if (closingStartS !== null && routeEast.length > 0) {
    pin(closingStartS, mainEndKm);
    pin(closingStartS + EAST_RUN_S, routeEast[routeEast.length - 1][0]);
  } else {
    pin(lyricsEndS, mainEndKm);
  }
  return keys;
 };
 /**
 * The road the paint can travel: the main route, then the east continuation
 * from where it passes the main route's end (the two overlap slightly).
 */
 export const paintableRoute = (data: TransectData): RoutePoint[] => {
  const mainEndKm = data.route[data.route.length - 1][0];
  return data.route.concat(data.routeEast.filter((p) => p[0] > mainEndKm));
 };
 /**
 * Fritsch–Carlson monotone cubic Hermite interpolation through `keys`.
 * Returns km as a function of time, held flat before the first and after the
 * last keyframe.
 */
 export const monotoneCurve = (keys: Keyframe[]): ((t: number) => number) => {
  const n = keys.length;
  if (n === 1) {
    return () => keys[0].km;
  }
  const secant: number[] = [];
  for (let i = 0; i < n - 1; i++) {
    secant.push((keys[i + 1].km - keys[i].km) / (keys[i + 1].t - keys[i].t));
  }
  const tangent: number[] = [secant[0]];
  for (let i = 1; i < n - 1; i++) {
    tangent.push(secant[i - 1] * secant[i] <= 0 ? 0 : (secant[i - 1] + secant[i]) / 2);
  }
  tangent.push(secant[n - 2]);
  for (let i = 0; i < n - 1; i++) {
    if (secant[i] === 0) {
      tangent[i] = 0;
      tangent[i + 1] = 0;
      continue;
    }
    const a = tangent[i] / secant[i];
    const b = tangent[i + 1] / secant[i];
    const h = a * a + b * b;
    if (h > 9) {
      const tau = 3 / Math.sqrt(h);
      tangent[i] = tau * a * secant[i];
      tangent[i + 1] = tau * b * secant[i];
    }
  }
  return (t) => {
    if (t <= keys[0].t) {
      return keys[0].km;
    }
    if (t >= keys[n - 1].t) {
      return keys[n - 1].km;
    }
    let i = 0;
    while (keys[i + 1].t < t) {
      i++;
    }
    const h = keys[i + 1].t - keys[i].t;
    const s = (t - keys[i].t) / h;
    const s2 = s * s;
    const s3 = s2 * s;
    return (
      (2 * s3 - 3 * s2 + 1) * keys[i].km +
      (s3 - 2 * s2 + s) * h * tangent[i] +
      (-2 * s3 + 3 * s2) * keys[i + 1].km +
      (s3 - s2) * h * tangent[i + 1]
    );
  };
 };
 export type RoutePosition = {
  /** Last route point at or before this km. */
  index: number;
  lat: number;
  lon: number;
 };
 /** The point on the road at `km`, interpolated between route points. */
 export const routeAtKm = (route: RoutePoint[], km: number): RoutePosition => {
  const lastIndex = route.length - 1;
  if (km <= route[0][0]) {
    return { index: 0, lat: route[0][1], lon: route[0][2] };
  }
  if (km >= route[lastIndex][0]) {
    return { index: lastIndex, lat: route[lastIndex][1], lon: route[lastIndex][2] };
  }
  let low = 0;
  let high = lastIndex;
  while (high - low > 1) {
    const mid = (low + high) >> 1;
    if (route[mid][0] <= km) {
      low = mid;
    } else {
      high = mid;
    }
  }
  const [k0, lat0, lon0] = route[low];
  const [k1, lat1, lon1] = route[high];
  const p = k1 === k0 ? 0 : (km - k0) / (k1 - k0);
  return { index: low, lat: lat0 + (lat1 - lat0) * p, lon: lon0 + (lon1 - lon0) * p };
 };
 /** The covered stretch of road: every route point up to the head, then the head. */
 export const coveredRoute = (route: RoutePoint[], km: number): RoutePoint[] => {
  const head = routeAtKm(route, km);
  return [...route.slice(0, head.index + 1), [km, head.lat, head.lon]];
 };
@@ -0,0 +1,163 @@
 import { visualizeAudio, type MediaUtilsAudioData } from "@remotion/media-utils";
 import { random } from "remotion";
 import { secondsToFrames } from "./time";
 /**
 * The outro spectrum: from SPECTRUM_START_S the nodes stop following the lyric
 * and act as a spectrum analyser. The log-spaced frequency bands are dealt out
 * to the nodes in a seeded shuffle (see BAND_SEED), with no relation to where
 * a node is on the road; each node's size follows its band's amplitude.
 *
 * Everything here is a pure function of the frame, so Studio previews and
 * renders agree. Starting values were calibrated on the outro of
 * 274_release2.wav (8:20 to the end, left channel).
 */
 /** When the spectrum takes over from the lyric-driven looks. */
 export const SPECTRUM_START_S = 504.4;
 /** How long the hand-over from lyric looks to spectrum looks takes. */
 export const SPECTRUM_FADE_S = 1.5;
 /** Band centres are log-spaced across this range, one band per node. */
 export const FREQ_LOW_HZ = 40;
 export const FREQ_HIGH_HZ = 12000;
 /**
 * Seed for the node-to-band shuffle. Any string or number; change it to deal a
 * different mapping. Seeded (Remotion's random()) rather than Math.random(), so
 * every render tab and the Studio agree on which node gets which band.
 */
 export const BAND_SEED = "274-spectrum";
 /**
 * Raw amplitude → level (0–1): (raw × GAIN × (f / FREQ_LOW_HZ)^TREBLE_TILT)^CURVE.
 * High bands are far quieter than bass, so TREBLE_TILT lifts them; CURVE below 1
 * lifts quiet passages so more than the loudest bands move.
 *
 * On the release2 outro these give a median level of 0.35 (10–90% range
 * 0.18–0.67), with nodes pinned at full size 0.6% of the time. GAIN 10 pinned
 * them 11% of the time with the bass nodes nearly always full; CURVE 0.8 with
 * GAIN 8 is livelier (0.15–0.85) but pins 6%.
 */
 export const GAIN = 5;
 export const TREBLE_TILT = 0.5;
 export const CURVE = 0.6;
 /**
 * Release: a node's level is the loudest reading over the RELEASE_WINDOW_S
 * before it, sampled every RELEASE_STEP_S and multiplied by RELEASE_DECAY once
 * more per step back. Hits jump up at once and fall back smoothly, without any
 * state carried between frames.
 *
 * Sampling by time rather than by frame keeps the tail the same length, and the
 * work per frame the same, whatever the fps.
 */
 export const RELEASE_WINDOW_S = 0.2;
 export const RELEASE_STEP_S = 1 / 30;
 export const RELEASE_DECAY = 0.75;
 /** FFT size for visualizeAudio: bins are (sample rate / 2) / FFT_SAMPLES wide (23.4 Hz). */
 export const FFT_SAMPLES = 1024;
 /** Seconds of audio useWindowedAudioData keeps loaded around the current frame. */
 export const AUDIO_WINDOW_S = 10;
 const clamp01 = (v: number) => Math.min(1, Math.max(0, v));
 const easeInOutCubic = (p: number) =>
  p < 0.5 ? 4 * p * p * p : 1 - Math.pow(-2 * p + 2, 3) / 2;
 /** 0 before the spectrum, 1 once the hand-over has finished. */
 export const spectrumWeight = (t: number): number =>
  easeInOutCubic(clamp01((t - SPECTRUM_START_S) / SPECTRUM_FADE_S));
 /**
 * The frame to load audio around: the real frame once the spectrum is active,
 * otherwise the spectrum's start, so nothing is fetched for the rest of the song.
 */
 export const audioWindowFrame = (frame: number, fps: number): number =>
  Math.max(frame, secondsToFrames(SPECTRUM_START_S - SPECTRUM_FADE_S, fps));
 /** `count` log-spaced band centres from FREQ_LOW_HZ to FREQ_HIGH_HZ. */
 export const bandFrequencies = (count: number): number[] =>
  Array.from({ length: count }, (_, i) =>
    count === 1
      ? FREQ_LOW_HZ
      : FREQ_LOW_HZ * Math.pow(FREQ_HIGH_HZ / FREQ_LOW_HZ, i / (count - 1)),
  );
 /**
 * One band centre per node, in node order: bandFrequencies(count) dealt out in a
 * Fisher–Yates shuffle seeded by BAND_SEED.
 */
 export const shuffledBandFrequencies = (count: number): number[] => {
  const frequencies = bandFrequencies(count);
  for (let i = frequencies.length - 1; i > 0; i--) {
    const j = Math.floor(random(`${BAND_SEED}-${i}`) * (i + 1));
    const swap = frequencies[i];
    frequencies[i] = frequencies[j];
    frequencies[j] = swap;
  }
  return frequencies;
 };
 /**
 * A band's raw amplitude from one spectrum: the mean over the bins between its
 * geometric edges, or, for bands narrower than a bin (the bass end), the value
 * interpolated at its centre, so neighbouring bass nodes still differ.
 */
 const bandValue = (spectrum: number[], centreHz: number, ratio: number, binHz: number) => {
  const half = Math.sqrt(ratio);
  const low = centreHz / half / binHz;
  const high = centreHz * half / binHz;
  const first = Math.max(1, Math.ceil(low));
  const last = Math.min(spectrum.length - 1, Math.floor(high));
  if (last >= first) {
    let sum = 0;
    for (let k = first; k <= last; k++) {
      sum += spectrum[k];
    }
    return sum / (last - first + 1);
  }
  const pos = Math.min(spectrum.length - 1.001, Math.max(0, centreHz / binHz));
  const k = Math.floor(pos);
  return spectrum[k] + (spectrum[k + 1] - spectrum[k]) * (pos - k);
 };
 /** Every band's level (0–1) at `frame`, release included. */
 export const bandLevels = (args: {
  audioData: MediaUtilsAudioData;
  dataOffsetInSeconds: number;
  frame: number;
  fps: number;
  frequencies: number[];
 }): number[] => {
  const { audioData, dataOffsetInSeconds, frame, fps, frequencies } = args;
  const binHz = audioData.sampleRate / 2 / FFT_SAMPLES;
  const ratio =
    frequencies.length > 1 ? Math.pow(FREQ_HIGH_HZ / FREQ_LOW_HZ, 1 / (frequencies.length - 1)) : 2;
  const levels = frequencies.map(() => 0);
  const steps = Math.max(1, Math.round(RELEASE_WINDOW_S / RELEASE_STEP_S));
  for (let step = 0; step < steps; step++) {
    const back = secondsToFrames(step * RELEASE_STEP_S, fps);
    if (frame - back < 0) {
      break;
    }
    const spectrum = visualizeAudio({
      audioData,
      frame: frame - back,
      fps,
      numberOfSamples: FFT_SAMPLES,
      dataOffsetInSeconds,
      optimizeFor: "accuracy",
    });
    const decay = Math.pow(RELEASE_DECAY, step);
    frequencies.forEach((hz, i) => {
      const raw = bandValue(spectrum, hz, ratio, binHz);
      const level =
        Math.pow(clamp01(raw * GAIN * Math.pow(hz / FREQ_LOW_HZ, TREBLE_TILT)), CURVE) * decay;
      levels[i] = Math.max(levels[i], level);
    });
  }
  return levels;
 };
@@ -0,0 +1,14 @@
 /**
 * Frame-rate conversions.
 *
 * Every timing constant in this composition is in seconds, so the animation is
 * identical at any fps. Only Remotion's own API counts frames, so convert here
 * rather than writing frame counts into the constants.
 */
 /** Seconds to a whole number of frames, rounded to the nearest. */
 export const secondsToFrames = (seconds: number, fps: number): number =>
  Math.round(seconds * fps);
 /** A frame number back to its time in seconds. */
 export const framesToSeconds = (frames: number, fps: number): number => frames / fps;
Author	SHA1	Message	Date
mikkeli	e3c843d65c	feat(274): name the モトツ pair with a slash in the transect subtitles モトツ橋にモトツシェルター -> モトツ橋 / モトツシェルター, matching the two nodes the visualiser lights side by side on the road. The rest of the diff is Aegisub's saved cursor position. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-30 01:29:15 +09:00
mikkeli	530238a328	feat(274): render at 60 fps, with all timing in seconds The composition is now 60 fps (37,157 frames). Everything was already written against time in seconds except the spectrum's release, which counted frames and so would have shortened from 0.2 s to 0.1 s at 60 fps. - spectrum.ts: RELEASE_FRAMES -> RELEASE_WINDOW_S (0.2 s) sampled every RELEASE_STEP_S (1/30 s), RELEASE_DECAY per step. At 30, 60 and 120 fps this reads the same instants (0, 33.3, 66.7, 100, 133.3, 166.7 ms back) with the same weights, so the tail keeps its length and the work per frame stays constant instead of growing with the frame rate. - time.ts: secondsToFrames / framesToSeconds, the one place the two meet — only Remotion's API counts frames. - camera.ts: the smoothing window's hardcoded 1/30 is now FOLLOW_SAMPLE_S, a sampling interval in seconds rather than a frame count. - Composition.tsx: FPS 30 -> 60; the duration still follows the audio length. Changing FPS is now the only edit needed to try another frame rate. Verified: eslint + tsc clean; the 60 fps export reports 60/1 and 37,157 frames, with audio 0.00 ms off at 1:45 and 9:00. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-30 01:29:15 +09:00
mikkeli	d7b3824e1e	fix(274): end the fade-out where the black hold starts FADE_OUT_POST holds full black over the last stretch of the video, but the ramp still aimed to finish at lastFrameS - FADE_OUT_S, so it completed inside the hold and the two overlapped. The ramp now runs from lastFrameS - FADE_OUT_POST - FADE_OUT_S to lastFrameS - FADE_OUT_POST, giving FADE_OUT_S of fade followed by FADE_OUT_POST of black. Verified: with 0.4 / 0.3 / 0.2 / 0.4 the picture is clear from 0.70 s to 618.67 s, and the rendered file is pure black for the first and last 13 frames at 30 fps (25 at 60). Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-30 01:29:13 +09:00
mikkeli	2dfd52e33d	style(274): retune tunnel, shrine and other colours Dark palette, chosen while previewing in the Studio: - tunnel #b6c5c1 -> #a6ccc2 - shrine #a05050 -> #b94141 - other #a7b7d6 -> #8b9ab8 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-18 02:00:29 +09:00
mikkeli	fde2aee5d1	feat(274): subtitles for the transect visualiser - 274-transect.ass: Aegisub subtitles for baking into the final transect video (274_transect.mp4) — addresses (274-addr), places (274-place) and the closing credits (274-credits), all in M PLUS 1 Code. - BOM.md: the four static M PLUS 1 Code weights it needs (Regular, Medium, SemiBold, Bold; SIL OFL 1.1) from coz-m/MPLUS_FONTS at 2a968b8. Static per- weight files rather than Google Fonts' variable TTF, so libass matches the styles' full names exactly. Verified: a libass test bake resolves every style to the real files — Medium for 274-addr, SemiBold for 274-place, Regular and Bold (for {\b1}) for 274-credits — with no fallback. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-18 02:00:29 +09:00
mikkeli	e23772af17	feat(274): fade the transect from and to black The visualiser now starts and ends on a completely black screen: a black layer over everything whose opacity comes from fade.ts. - FADE_IN_PRE (0.4 s): hold on full black at the very start. - FADE_IN_S (0.3 s): then fade from black to the picture. - FADE_OUT_S (0.2 s): fade to black at the end, reaching full black on the last frame ((durationInFrames - 1) / fps), not a frame after it. Verified: eslint + tsc clean; stills show the first and last frames are pure RGB (0, 0, 0) and brightness ramps as timed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-18 02:00:29 +09:00
mikkeli	2731d9d332	Merge pull request '274: transect composition, spectrum outro, and lyric fixes it exposed' (#1 ) from song274/transect into song274/master Reviewed-on: #1	2026-09-17 01:36:53 +00:00
mikkeli	10949dfa18	style(274): retune the dark transect palette Colour choices for the dark palette, made while previewing in the Studio: - roadCovered #9dcde4 -> #fdb021 (the covered road now reads amber) - bridge #79d1c5 -> #9be9de - place / railway #129252 -> #68ad7f - shrine #b32c2c -> #a05050 - other #ff9900 -> #a7b7d6 The light palette is unchanged. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-17 10:32:20 +09:00
mikkeli	561c930620	fix(274): separate nodes that share exact coordinates Three pairs of sung nodes have identical roster coordinates, so one circle fully eclipsed the other: 草木橋 / 滝の上こ線橋, ポン久留喜橋 / 久留喜橋, and モトツ橋 / モトツシェルター (a bridge roofed by a shelter). Editing the lyrics index's lat/lon could not fix it: the video takes positions from the roster (274-lookup.csv), joined on object. - layout.ts: nodePositions() groups nodes by exact coordinate and spreads each group COINCIDENT_SPREAD (1.5 map units, about 35 m) apart along the road's direction there, in road order, centred on the shared point. All such pairs are on-road structures, so they stay on the road (within 0.06 units) and read as a doubled dot; partial overlap is intended, full eclipse is not. Along rather than across the road, and small: at 6 units モトツシェルター landed on 福山トンネル, 90 m further on. - data.ts: RosterItem carries the roster's km, for road order and direction. - Transect.tsx: draws nodes at those positions. Verified: eslint + tsc clean on this commit's tree; close-ups at モトツ, resting and lit, show both nodes on the road in order after モトツトンネル. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-17 10:32:19 +09:00
mikkeli	04963c929a	feat(274): spectrum outro for the transect From SPECTRUM_START_S the nodes stop following the lyric and behave as a spectrum analyser: every sung node is given one log-spaced frequency band (40 Hz–12 kHz), dealt out in a seeded shuffle, and sizes up and down with that band's amplitude. - spectrum.ts: band maths and every tunable. Levels come from @remotion/media-utils visualizeAudio on audio loaded by useWindowedAudioData (10 s windows, so the 227 MB WAV is never decoded whole; before the outro the window stays parked at its start). Bands average the FFT bins they span, or interpolate for bands narrower than a bin, so neighbouring bass nodes never move in lockstep. Level = (raw × GAIN × (f/40 Hz)^TREBLE_TILT)^CURVE with a release that looks back RELEASE_FRAMES frames at RELEASE_DECAY per frame. Defaults were calibrated on the release2 outro (nodes pinned at full size 0.6% of the time). The node→band mapping uses Remotion's seeded random() (BAND_SEED), not Math.random(), so render tabs and the Studio agree. - nodeAnimation.ts: SPECTRUM_PEAK and spectrumLook(level), alongside lightUp and switchOff, plus a levelExponential shaping curve. - Transect.tsx: hands each node over from its lyric look to its spectrum look over SPECTRUM_FADE_S. - package.json: declare @remotion/media-utils 4.0.522 (already installed as a dependency of the CLI; now pinned alongside the other Remotion packages). Verified: eslint + tsc clean on this commit's tree; outro stills show nodes sized by band level, so the windowed audio loads during renders. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-17 10:31:58 +09:00
mikkeli	fac282bcbc	feat(274): show the east stub ahead of time; slow its paint run - Transect.tsx: the dimmed "road ahead" now includes the east continuation (274-route-east.json), so it is visible all along instead of appearing only once the paint reaches it after 東に続く. - progress.ts: EAST_RUN_S 4 -> 75. The paint used to dash along the east stub (5.25 km in 4 s, about 1.3 km/s, after 0.55 km/s for the leg before it); it now takes 75 s from 東に続く, well into the outro. Verified: eslint + tsc clean. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-17 09:56:16 +09:00
mikkeli	c965fbf5fe	feat(274): route data for the transect; lyric fixes the transect exposed Building the transect visualisation (Song274Transect) is what exposed problems in the lyric and its index: syncing nodes to the lyric showed 紅葉山橋 lighting up although it is not on this road (it is on R452), 下福山橋 and オロロップ橋 sitting at the wrong km, and lines timed against the wrong stretch. They were fixed upstream in the wiki (ncmr-songs 7af0f48, "274: drop 紅葉山橋, fix オロロップ橋 and 下福山橋, re-timed lyric"), and the lyric deliverables here follow. 274.lrc — byte-identical copy of the wiki LRC at 7af0f48: 紅葉山橋 removed; 紅楓橋 through 楓信号場 re-timed (1:35.24–1:55.54) with 夕張市楓 at 1:45.77; 登川トンネル at 2:05.23 and its section end at 2:06.62; 稲里トンネル's section end at 4:25.27. 下福山橋 and オロロップ橋 keep their timing; their km were corrected in the roster and index. 274.srt — regenerated with scripts/lrc2srt.py, 116 cues. 274.ass — events follow the LRC: district headers as transparent_title spanning their section, 東に続く as transparent_lyrics_jp, spacers as empty events, the final line held 5 s. The Aegisub header and all 17 styles are untouched. 117 events -> 116. route/ — copied from novoyuuparosk-wiki/ncmr-songs wip/274, where it is generated; read-only here, and its README says so. src/song-274/data.ts loads 274-route.json, 274-lookup.csv and 274-lyrics-index.csv, plus the two approach stubs: 274-route-west.json (always drawn as covered) and 274-route-east.json (painted after 東に続く). Also carries the district bands, the GeoJSON and the reference page. The route shapes are single clean polylines: no second-carriageway points in the divided sections, km strictly increasing. Verified: all 116 ASS events and SRT cues match the LRC's order, text and timestamps; every sung node in the index joins to the roster at matching km. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-17 09:48:51 +09:00
mikkeli	5ad82b1b98	chore(274): record the release2 master in the BOM 274_release2.wav (2026-09-17) supersedes 274_release1.wav and is the master used by the white/lyrics renders and Song274Transect. Same length, 10:19. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>	2026-09-17 09:44:46 +09:00
mikkeli	bc39455cfe	feat(274): transect composition synced to the lyric Song274Transect draws Route 274 in its true shape (the "Ground" view of song-274/route/274-transect.html) and plays it along with the song. - data.ts: reads song-274/route/ at load time (lyrics index, roster, route and the optional east/west stubs); nothing is copied into the code. Only sung nodes are shown; districts and 東に続く light nothing. - progress.ts: a "covered so far" paint over the dimmed road. Its head is pinned to each sung object's km as that line starts and glides between pins on a monotone cubic, so it never runs backwards. After 東に続く it runs out along the east stub; the west stub is always painted. - camera.ts: fixed close zoom during each narration part (lines under 20 s apart), following a Gaussian-smoothed head; pull back to frame the covered road plus some road ahead during breaks, and to the full map after the lyric. - nodeAnimation.ts: lightUp / switchOff as reusable functions over a NodeLook, with long lines switching off after MAX_LIT_S. - palette.ts: every colour as a named token (dark default, light alongside), including shrine and railway families. remotion.config.ts sets song-274/ as the public dir so staticFile() reaches the song's audio/ and route/ in place. Verified: eslint + tsc clean; stills checked across parts, breaks and the ending. Render with --muted and add audio with ffmpeg: Remotion's own AAC lands 42.75 ms late. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-17 09:40:53 +09:00
mikkeli	7da9a6df25	feat(274): add lyrics, subtitles and asset BOM Text-based deliverables for the 274 video, synced to the lyrics source of truth in the wiki repo (ncmr-songs wip/274/274.lrc at c7e2494, "put the lyric back into road order"). - 274.lrc: byte-identical copy of the wiki LRC. - 274.srt: generated from it with scripts/lrc2srt.py (117 cues). - 274.ass: hand-styled in Aegisub; every event re-timed to the LRC, with each address shown from its own timestamp until its section's last place ends. - BOM.md: untracked assets with BLAKE2b hashes — release audio 274_release1.wav, the white background plate, and the Noto Serif JP Medium/SemiBold fonts the ASS uses. Verified: all 117 ASS events and SRT cues match the LRC's order, text and timestamps. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PLt25nCVMsoroKALYUBu6u	2026-09-16 19:22:50 +09:00
		`@@ -0,0 +1 @@`
							[[108.557,42.89528,142.49683],[108.603,42.89539,142.49736],[108.649,42.89556,142.49787],[108.695,42.89571,142.49842],[108.736,42.89578,142.4989],[108.794,42.89581,142.49962],[108.84,42.89571,142.50016],[108.946,42.89545,142.50142],[109.173,42.89489,142.5041],[109.371,42.89434,142.5064],[109.456,42.8942,142.50743],[109.52,42.89412,142.5082],[110.111,42.89351,142.51541],[110.297,42.89332,142.51768],[110.457,42.89317,142.51963],[110.482,42.89315,142.51995],[110.575,42.89305,142.52107],[110.738,42.89288,142.52306],[111.028,42.89258,142.5266],[111.056,42.89255,142.52694],[111.318,42.89229,142.53014],[111.333,42.89227,142.53031],[111.358,42.89224,142.53062],[111.359,42.89224,142.53064],[111.498,42.89212,142.53233],[111.527,42.89209,142.53269],[111.596,42.89201,142.53353],[111.671,42.89194,142.53444],[111.814,42.89181,142.53619],[111.842,42.89182,142.53653],[111.864,42.89177,142.5368],[111.958,42.89168,142.53794],[112.065,42.89155,142.53924],[112.09,42.89153,142.53954],[112.111,42.89153,142.53981],[112.138,42.89155,142.54013],[112.164,42.89159,142.54045],[112.196,42.89167,142.54083],[112.333,42.89204,142.54243],[112.688,42.89295,142.5466],[112.973,42.89375,142.54994],[113.048,42.89392,142.55082],[113.143,42.89417,142.55194],[113.202,42.89435,142.55262],[113.23,42.89444,142.55295],[113.27,42.89459,142.55338],[113.312,42.89478,142.55384],[113.395,42.8952,142.55467],[113.435,42.8954,142.55508],[113.492,42.89569,142.55566],[113.793,42.89718,142.55874],[113.829,42.89736,142.55911],[113.851,42.89747,142.55933],[113.987,42.89814,142.56073]]
		`@@ -0,0 +1 @@`
							[[30.456,42.94898,141.83538],[30.485,42.94902,141.83573],[31.021,42.94975,141.84224],[31.152,42.94995,141.84383],[31.305,42.95011,141.8457],[31.317,42.95013,141.84585],[31.385,42.95022,141.84667],[31.396,42.95024,141.8468],[31.405,42.95025,141.84692],[31.543,42.95043,141.84859],[31.633,42.95055,141.84968],[31.656,42.95058,141.84996],[31.663,42.95059,141.85004],[31.719,42.95067,141.85073],[31.953,42.95099,141.85357],[31.986,42.95103,141.85397],[32.022,42.95104,141.85441],[32.046,42.95104,141.8547],[32.061,42.95102,141.85489],[32.082,42.951,141.85514],[32.102,42.95095,141.85538],[32.124,42.95088,141.85564],[32.148,42.95079,141.8559],[32.17,42.95069,141.85614],[32.192,42.95059,141.85636],[32.214,42.95046,141.85658],[32.249,42.95025,141.8569],[32.278,42.95007,141.85715],[32.304,42.9499,141.85737],[32.315,42.94983,141.85746],[32.398,42.94927,141.85815],[32.462,42.94884,141.85865],[32.474,42.94875,141.85875],[32.607,42.94783,141.85978],[32.639,42.9476,141.86004],[32.72,42.94705,141.86067],[32.929,42.94561,141.86234],[32.957,42.94542,141.86256],[33.001,42.94512,141.86292],[33.138,42.94418,141.86399],[33.305,42.94303,141.8653],[33.489,42.94176,141.86678],[33.731,42.94012,141.86873],[33.99,42.93834,141.87077],[34.132,42.93738,141.87193],[34.161,42.93717,141.87214],[34.308,42.93617,141.87331],[34.584,42.93429,141.87554],[34.753,42.93312,141.87686],[35.006,42.9314,141.87888],[35.192,42.93012,141.88036],[35.335,42.92915,141.8815],[35.443,42.92841,141.88237],[35.527,42.92783,141.88304]]