/* 太宰府アカデミー YouTube動画セクション */
body.home{overflow-x:clip} /* 念のため：トップページで横スクロールを出さない */
.dza-yt{
  --navy:#233481; --blue:#4169e1; --red:#ff2d2d; --ink:#070b24;
  --fg:#ffffff; --fg-sub:#aeb7dc; --card-w:clamp(236px,26vw,300px);
  position:relative; overflow:hidden; color:var(--fg); box-sizing:border-box;
  /* 画面の端から端まで広げる（--dza-sbw はスクロールバーの幅。JSで設定） */
  width:calc(100vw - var(--dza-sbw, 0px)); margin:24px calc(50% - 50vw + var(--dza-sbw, 0px) / 2) 40px; padding:64px 0 72px;
  font-family:'Hiragino Gothic Pro','ヒラギノ角ゴ Pro','Noto Sans JP',sans-serif; line-height:1.666; text-align:left;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(65,105,225,.45), transparent 60%),
    radial-gradient(700px 380px at 5% 110%, rgba(255,45,45,.18), transparent 60%),
    linear-gradient(160deg, #0d1650 0%, var(--ink) 55%, #0a0f33 100%);
}
.dza-yt *,.dza-yt *::before,.dza-yt *::after{box-sizing:border-box}
.dza-yt::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background:repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 4px)}
.dza-yt .dza-yt__inner{position:relative;max-width:1180px;margin:0 auto;padding:0 16px}

/* 見出し */
.dza-yt .dza-yt__hero{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:0 0 34px}
.dza-yt .dza-yt__eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:Montserrat,sans-serif;font-weight:600;font-size:12px;letter-spacing:.3em;color:var(--fg-sub)}
.dza-yt .dza-yt__eyebrow::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(255,45,45,.2);animation:dza-yt-blink 1.6s ease-in-out infinite}
@keyframes dza-yt-blink{50%{box-shadow:0 0 0 8px rgba(255,45,45,0)}}
.dza-yt .dza-yt__big{margin:6px 0 4px;padding:0;font-family:Montserrat,sans-serif;font-weight:800;font-style:italic;font-size:clamp(40px,7vw,84px);line-height:.95;letter-spacing:-.01em;
  background:linear-gradient(100deg,#fff 0%,#c8d3ff 45%,#6f8ff0 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.dza-yt .dza-yt__lead{margin:0;padding:0;font-size:15px;color:var(--fg-sub);font-weight:500}
.dza-yt .dza-yt__lead strong{color:#fff;font-weight:700}
.dza-yt a.dza-yt__cta{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:999px;background:var(--red);color:#fff;text-decoration:none;font-weight:700;font-size:14px;line-height:1.4;
  box-shadow:0 8px 24px rgba(255,45,45,.35);transition:transform .2s, box-shadow .2s}
.dza-yt a.dza-yt__cta:hover,.dza-yt a.dza-yt__cta:focus{color:#fff;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,45,45,.5);opacity:1}
.dza-yt a.dza-yt__cta svg{width:20px;height:20px;flex:0 0 auto}

/* 段の見出し */
.dza-yt .dza-yt__label{display:flex;align-items:center;gap:14px;margin:0 0 14px}
.dza-yt .dza-yt__label h3{margin:0;padding:0;border:0;background:none;display:flex;align-items:baseline;gap:12px;font-family:inherit;font-size:18px;font-weight:700;letter-spacing:.04em;color:#fff;line-height:1.4}
.dza-yt .dza-yt__label h3::before,.dza-yt .dza-yt__label h3::after{display:none}
.dza-yt .dza-yt__label h3 span{font-family:Montserrat,sans-serif;font-weight:800;font-size:13px;letter-spacing:.25em;color:var(--blue)}
.dza-yt .dza-yt__rule{flex:1;height:1px;background:linear-gradient(90deg,rgba(174,183,220,.5),transparent)}
.dza-yt button.dza-yt__pause{-webkit-appearance:none;appearance:none;font:inherit;font-size:12px;line-height:1.4;color:var(--fg-sub);background:rgba(255,255,255,.06);border:1px solid rgba(174,183,220,.35);border-radius:999px;padding:6px 14px;margin:0;cursor:pointer;min-height:34px;width:auto}
.dza-yt button.dza-yt__pause:hover{color:#fff;border-color:#fff}
.dza-yt button.dza-yt__pause:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* 流れる段 */
.dza-yt .dza-yt__row{position:relative;overflow:hidden;margin:0 0 40px;padding:0 16px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 70px,#000 calc(100% - 70px),transparent 100%);
          mask-image:linear-gradient(90deg,transparent 0,#000 70px,#000 calc(100% - 70px),transparent 100%)}
.dza-yt .dza-yt__row:last-of-type{margin-bottom:0}
.dza-yt .dza-yt__track{display:flex;gap:22px;width:max-content;padding:14px 0 18px;margin:0;
  animation:dza-yt-left var(--dur,90s) linear infinite}
.dza-yt .dza-yt__row--rtl .dza-yt__track{animation-name:dza-yt-left}   /* 右から流れてくる */
.dza-yt .dza-yt__row--ltr .dza-yt__track{animation-name:dza-yt-right}  /* 左から流れてくる */
.dza-yt .dza-yt__row.is-paused .dza-yt__track{animation-play-state:paused}
/* マウスを乗せている間だけ止める（スマホはタップ後に止まりっぱなしにならないよう対象外） */
@media (hover:hover){.dza-yt .dza-yt__row:hover .dza-yt__track{animation-play-state:paused}}
/* キーボードで操作している間は止める（マウスでクリックした後は止めない） */
.dza-yt .dza-yt__row:has(.dza-yt__card:focus-visible) .dza-yt__track{animation-play-state:paused}
@keyframes dza-yt-left{from{transform:translateX(0)}to{transform:translateX(calc(-100% / var(--copies,2)))}}
@keyframes dza-yt-right{from{transform:translateX(calc(-100% / var(--copies,2)))}to{transform:translateX(0)}}

/* カード */
.dza-yt button.dza-yt__card{-webkit-appearance:none;appearance:none;position:relative;display:block;flex:0 0 auto;width:var(--card-w);min-width:0;height:auto;padding:0;margin:0;border:0;background:none;box-shadow:none;color:inherit;font:inherit;line-height:inherit;text-align:left;letter-spacing:normal;cursor:pointer;border-radius:14px;
  transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.dza-yt button.dza-yt__card:hover{transform:translateY(-6px) scale(1.03);background:none}
.dza-yt button.dza-yt__card:focus-visible{outline:3px solid #fff;outline-offset:4px}
.dza-yt .dza-yt__thumb{position:relative;display:block;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#1a2259;
  box-shadow:0 10px 28px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.08) inset;transition:box-shadow .35s}
.dza-yt .dza-yt__card:hover .dza-yt__thumb{box-shadow:0 18px 40px rgba(0,0,0,.55), 0 0 0 2px var(--blue), 0 0 34px rgba(65,105,225,.55)}
.dza-yt .dza-yt__thumb img{width:100%;height:100%;max-width:none;object-fit:cover;display:block;margin:0;border:0;transition:transform .6s cubic-bezier(.2,.8,.2,1), filter .35s;filter:saturate(.95)}
.dza-yt .dza-yt__card:hover .dza-yt__thumb img{transform:scale(1.08);filter:saturate(1.1)}
.dza-yt .dza-yt__thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,8,30,.75) 100%)}
.dza-yt .dza-yt__play{position:absolute;z-index:2;left:50%;top:50%;width:58px;height:58px;margin:-29px 0 0 -29px;border-radius:50%;
  background:rgba(255,255,255,.16);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1.5px solid rgba(255,255,255,.7);
  display:grid;place-items:center;transform:scale(.85);opacity:.9;transition:all .3s}
.dza-yt .dza-yt__play::before{content:"";border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent #fff;margin-left:4px}
.dza-yt .dza-yt__card:hover .dza-yt__play{background:var(--red);border-color:var(--red);transform:scale(1);opacity:1;box-shadow:0 0 0 8px rgba(255,45,45,.25)}
.dza-yt .dza-yt__dur{position:absolute;z-index:2;right:8px;bottom:8px;background:rgba(0,0,0,.72);color:#fff;font-size:12px;line-height:1;padding:5px 6px;border-radius:5px;font-family:Montserrat,sans-serif;font-weight:600;font-variant-numeric:tabular-nums}
.dza-yt .dza-yt__new{position:absolute;z-index:2;left:8px;top:8px;background:var(--red);color:#fff;font-family:Montserrat,sans-serif;font-weight:800;font-size:11px;letter-spacing:.12em;line-height:1;padding:6px 8px;border-radius:4px}
.dza-yt .dza-yt__name{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:12px 2px 4px;font-size:14px;font-weight:700;line-height:1.55;min-height:3.1em;color:#fff}
.dza-yt .dza-yt__meta{display:block;margin:0 2px;font-size:12px;line-height:1.5;color:var(--fg-sub);font-variant-numeric:tabular-nums}

/* 人気：大きな順位の数字 */
.dza-yt .dza-yt__row--rank button.dza-yt__card{width:calc(var(--card-w) + 46px);padding-left:46px}
.dza-yt .dza-yt__num{position:absolute;z-index:3;left:-2px;bottom:80px;font-family:Montserrat,sans-serif;font-weight:800;font-style:italic;font-size:118px;line-height:.8;letter-spacing:-.06em;
  color:var(--ink);-webkit-text-stroke:3px #c8d3ff;paint-order:stroke fill;text-shadow:0 6px 20px rgba(0,0,0,.5);pointer-events:none;transition:-webkit-text-stroke-color .3s}
.dza-yt .dza-yt__card:hover .dza-yt__num{-webkit-text-stroke-color:var(--blue)}
.dza-yt .dza-yt__num--top{-webkit-text-stroke-color:#ffd36b}
.dza-yt .dza-yt__num--wide{font-size:96px;letter-spacing:-.1em;left:-10px}

/* 動きを減らす設定の人：流さず、横スクロールで見られるように */
@media (prefers-reduced-motion: reduce){
  .dza-yt .dza-yt__track{animation:none!important}
  .dza-yt .dza-yt__row{overflow-x:auto;-webkit-mask-image:none;mask-image:none}
  .dza-yt .dza-yt__clone,.dza-yt button.dza-yt__pause{display:none}
  .dza-yt .dza-yt__eyebrow::before{animation:none}
  .dza-yt button.dza-yt__card,.dza-yt .dza-yt__thumb img{transition:none}
}
@media (max-width:600px){
  .dza-yt{padding:48px 0 56px}
  .dza-yt .dza-yt__hero{margin-bottom:26px}
  .dza-yt .dza-yt__track{gap:16px}
  .dza-yt .dza-yt__num{font-size:92px}
  .dza-yt .dza-yt__num--wide{font-size:76px}
  .dza-yt .dza-yt__row--rank button.dza-yt__card{padding-left:36px;width:calc(var(--card-w) + 36px)}
  .dza-yt .dza-yt__row{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%)}
}

/* 再生用のポップアップ */
/* サイト側のCSSが余白を0にするため、ここで画面中央に固定する。上に閉じるボタンの場所を確保 */
.dza-yt__modal{position:fixed;inset:0;margin:auto;height:fit-content;max-height:none;max-width:none;padding:0;border:0;background:transparent;overflow:visible;color:#fff;
  width:min(1000px,94vw,calc((100vh - 120px) * 16 / 9));
  width:min(1000px,94vw,calc((100dvh - 120px) * 16 / 9))}
.dza-yt__modal::backdrop{background:rgba(4,6,22,.9);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.dza-yt__modal[open]{animation:dza-yt-pop .3s cubic-bezier(.2,.8,.2,1)}
@keyframes dza-yt-pop{from{opacity:0;transform:scale(.96)}}
.dza-yt__modal .dza-yt__frame{position:relative;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.08)}
.dza-yt__modal .dza-yt__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.dza-yt__modal button.dza-yt__close{-webkit-appearance:none;appearance:none;position:absolute;right:0;top:-50px;width:42px;height:42px;padding:0;margin:0;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.08);color:#fff;font-size:22px;line-height:1;cursor:pointer}
.dza-yt__modal button.dza-yt__close:hover{background:#fff;color:#0d1650}
.dza-yt__modal button.dza-yt__close:focus-visible{outline:2px solid #fff;outline-offset:2px}