/* 🧭 YouTubeの今（号の見た目）。Matchboxのタブと youtube-now.html が同じものを読む。
   クレイポップの世界観（.claude/skills/matchbox-design）：クリーム・丸ゴシック・クレイ影・虹色の見出し */
.yn{--yn-ink:#2B2233;--yn-ink2:#5E5468;--yn-ink3:#9A90A3;--yn-orange:#F97316;--yn-gold:#FBBF24;--yn-pink:#F43F5E;
  --yn-teal:#10B981;--yn-blue:#3B82F6;--yn-purple:#7C3AED;--yn-cream:#FFF9F2;--yn-line:#EFE4D6;
  --yn-clay:6px 6px 14px rgba(0,0,0,.06),-3px -3px 8px rgba(255,255,255,.7),inset 2px 2px 4px rgba(255,255,255,.5);
  font-family:'Zen Maru Gothic','Hiragino Maru Gothic ProN','Hiragino Kaku Gothic ProN',sans-serif;font-weight:500;
  color:var(--yn-ink);line-height:1.9;font-size:15px}
.yn *{box-sizing:border-box}
.yn a{color:var(--yn-purple)}
.yn b,.yn strong{font-weight:900}
.yn .yn-mb{display:none}
.yn-in-matchbox .yn .yn-mb{display:block}
.yn-in-matchbox .yn .yn-pub{display:none}

/* 表紙 */
.yn-hero{background:var(--yn-cream);border-radius:24px;padding:30px 24px 24px;box-shadow:var(--yn-clay);margin-bottom:22px}
.yn-label{font-size:12px;font-weight:900;letter-spacing:3px;color:var(--yn-orange)}
.yn-title{font-size:30px;line-height:1.35;font-weight:900;margin:6px 0 12px;
  background:linear-gradient(135deg,var(--yn-pink),var(--yn-orange),var(--yn-gold),var(--yn-teal),var(--yn-blue),var(--yn-purple));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.yn-lead{font-size:15.5px;color:var(--yn-ink2)}
.yn-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.yn-chip{font-size:12px;font-weight:700;background:#fff;border:1.5px solid var(--yn-line);border-radius:50px;padding:3px 12px;color:var(--yn-ink2)}

/* 見出し */
.yn-sec{margin:34px 0 0}
.yn-h2{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;margin-bottom:6px}
.yn-h2 .n{flex:none;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;
  background:linear-gradient(135deg,var(--yn-orange),var(--yn-gold));color:#fff;font-size:15px}
.yn-sub{font-size:13.5px;color:var(--yn-ink2);margin-bottom:14px}

/* ひとことで */
.yn-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.yn-3 > div{background:#fff;border-radius:20px;padding:18px 16px;box-shadow:var(--yn-clay)}
.yn-3 .ic{font-size:26px;line-height:1}
.yn-3 h3{font-size:16px;font-weight:900;margin:8px 0 4px;line-height:1.5}
.yn-3 p{font-size:13.5px;color:var(--yn-ink2)}

/* 特徴のカード */
.yn-card{background:#fff;border-radius:20px;padding:20px 20px 18px;box-shadow:var(--yn-clay);margin-bottom:14px;position:relative}
.yn-card .no{position:absolute;top:-10px;left:16px;font-size:12px;font-weight:900;color:#fff;border-radius:50px;padding:2px 12px;
  background:linear-gradient(135deg,var(--yn-orange),var(--yn-gold))}
.yn-card h3{font-size:18.5px;font-weight:900;line-height:1.5;margin:6px 0 8px}
.yn-card .why{font-size:14px;color:var(--yn-ink2)}
.yn-card .fact{display:inline-block;font-size:12.5px;font-weight:700;background:#FFF3E0;color:#B45309;border-radius:8px;padding:2px 8px;margin:2px 4px 2px 0}
.yn-do{margin-top:12px;background:#F0FDF7;border-radius:14px;padding:12px 14px}
.yn-do .t{font-size:12.5px;font-weight:900;color:#047857;margin-bottom:4px}
.yn-do ul{list-style:none;margin:0;padding:0}
.yn-do li{position:relative;padding-left:22px;font-size:14px;margin:3px 0}
.yn-do li::before{content:'✓';position:absolute;left:2px;top:0;color:var(--yn-teal);font-weight:900}
.yn-card .yn-mb{margin-top:10px;background:#F5F3FF;border-radius:14px;padding:10px 14px;font-size:13.5px}
.yn-card .yn-mb .t{font-size:12.5px;font-weight:900;color:var(--yn-purple);margin-bottom:2px}
.yn-go{display:inline-block;font-family:inherit;font-size:12.5px;font-weight:900;border:none;cursor:pointer;color:#fff;border-radius:50px;padding:5px 14px;margin:4px 6px 0 0;
  background:linear-gradient(135deg,var(--yn-purple),var(--yn-blue));text-decoration:none}
.yn sup{font-size:10.5px;font-weight:700;margin-left:1px}
.yn sup a{text-decoration:none;color:var(--yn-ink3)}

/* やめたほうがいいこと */
.yn-stop{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.yn-stop > div{background:#FFF1F2;border-radius:18px;padding:14px 16px}
.yn-stop h3{font-size:15.5px;font-weight:900;color:#BE123C;margin-bottom:2px}
.yn-stop p{font-size:13.5px;color:var(--yn-ink2)}

/* 新しい機能 */
.yn-news{display:flex;flex-direction:column;gap:10px}
.yn-news > div{display:grid;grid-template-columns:92px 1fr;gap:12px;background:#fff;border-radius:16px;padding:12px 14px;box-shadow:var(--yn-clay)}
.yn-news .d{font-size:12px;font-weight:900;color:var(--yn-orange);line-height:1.5}
.yn-news h3{font-size:15px;font-weight:900;line-height:1.5}
.yn-news p{font-size:13.5px;color:var(--yn-ink2)}

/* 3分でわかる版（講義で映す） */
.yn-talk{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.yn-slide{background:#1c1726;color:#fff;border-radius:18px;padding:18px 18px 16px}
.yn-slide .s-kicker{font-size:11.5px;font-weight:900;letter-spacing:2px;color:var(--yn-gold)}
.yn-slide .s-big{font-size:19px;font-weight:900;line-height:1.5;margin:6px 0}
.yn-slide .s-num{font-size:30px;font-weight:900;line-height:1.2;color:var(--yn-gold)}
.yn-slide .s-sub{font-size:13px;color:rgba(255,255,255,.72)}
/* 講義モード（youtube-now.html の #deck）では大きく */
#deck .slide .s-kicker{font-size:2.2vw;font-weight:900;letter-spacing:.3em;color:#FBBF24}
#deck .slide .s-big{font-size:5.2vw;font-weight:900;line-height:1.35;margin:2vh 0}
#deck .slide .s-num{font-size:9vw;font-weight:900;line-height:1.1;color:#FBBF24}
#deck .slide .s-sub{font-size:2.4vw;color:rgba(255,255,255,.75);line-height:1.6}
#deck .slide{font-family:'Zen Maru Gothic','Hiragino Maru Gothic ProN',sans-serif}

/* 出典 */
.yn-src ol{margin:0;padding-left:22px;font-size:12.5px;color:var(--yn-ink2)}
.yn-src li{margin:3px 0;word-break:break-all}
.yn-note{font-size:12.5px;color:var(--yn-ink3);margin-top:10px}

@media (max-width:720px){
  .yn{font-size:14.5px}
  .yn-title{font-size:24px}
  .yn-3,.yn-stop,.yn-talk{grid-template-columns:1fr}
  .yn-news > div{grid-template-columns:1fr;gap:2px}
  .yn-hero{padding:24px 18px 20px}
  .yn-card{padding:18px 16px 16px}
}