Merge branch 'songs/ymgj': adapt kimito_en to columns shorthand

Convert 'You and me and a gentle journey' side-by-side lyrics to the auto-wiki columns shorthand (```columns fence, columns split by ===, **bold** titles). Rendered wiki output is unchanged; the source is now Markdown-native rather than raw HTML.

kairo/kimito_en.md

@@ -13,10 +13,8 @@ release_date: 2026-06-14
 The classic. Old working notes in [another page](Looking_into_You_and_me_\(ry_and_a_brand_new_translation).  
 
 ## Lyrics
-```{=html}
-<div style="display:flex; gap:3em; align-items:flex-start">
-<poem>
-<b>君と私と穏やかな旅</b>
+```columns
+**君と私と穏やかな旅**
 
 いつか見た夢の話
 遠い遠い国のこと
@@ -56,9 +54,8 @@ The classic. Old working notes in [another page](Looking_into_You_and_me_\(ry_an
 あの日の記憶の欠片
 いつか思い出すよ
 この旅路を
-</poem>
-<poem>
-<b>You and me and a gentle journey</b>
+===
+**You and me and a gentle journey**
 
 You know there was a dream I had long ago
 Of a somewhere that is far away
@@ -95,6 +92,4 @@ There won’t be not such meaningful events left
 
 
 To go across the borderline 
-</poem>
-</div>
 ```