/* =========================================================
   ティーンズミュージカルSAGA  TMS 公式サイト
   世界基準リビルド：STAGE→LIGHT（暗転の幕開け→佐賀の白い光）
   Lenis + GSAP ScrollTrigger 前提
   ========================================================= */
:root{
  /* STAGE（暗） */
  --stage:#0b0b0d; --stage-2:#141417; --stage-3:#1d1d22;
  --tw:#f4f1ea;             /* 温白 */
  --gold:#f4b740;           /* スポットライトの金 */
  --crimson:#e23b57;        /* 緋・CTA */
  /* LIGHT（明・佐賀の紙） */
  --paper:#f3efe6; --paper-2:#ece6d8; --white:#fffdf8;
  --ink:#17150f; --ink-soft:#4b4639; --ink-mute:#8a8271;
  --blue:#245c8a; --coral:#e8552b; --wheat:#e9b949;
  --line:rgba(23,21,15,.14); --line-d:rgba(255,255,255,.14);

  --f-jp:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP",sans-serif;
  --f-min:"Shippori Mincho B1","Hiragino Mincho ProN",serif;
  --f-en:"Anton","Zen Kaku Gothic New",sans-serif;
  --maxw:1240px; --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 30px 70px rgba(20,12,4,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{margin:0;font-family:var(--f-jp);color:var(--ink);background:var(--paper);
  line-height:1.9;font-size:16px;letter-spacing:.02em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:900;line-height:1.3;letter-spacing:.02em}
p{margin:0 0 1.2em}ul{margin:0;padding:0;list-style:none}

.wrap{width:min(92%,var(--maxw));margin-inline:auto;position:relative}
.section{padding:clamp(72px,10vw,140px) 0;position:relative}
.dark{background:var(--stage);color:var(--tw)}
.dark-2{background:linear-gradient(180deg,#141417,#0b0b0d);color:var(--tw)}
.tint{background:var(--paper-2)}
.center{text-align:center}
.eyebrow{font-family:var(--f-en);font-size:1rem;letter-spacing:.34em;text-transform:uppercase;color:var(--coral);display:inline-block;margin:0 0 1em}
.dark .eyebrow,.dark-2 .eyebrow{color:var(--gold)}
.s-title{font-size:clamp(1.9rem,5vw,3.4rem);letter-spacing:.02em;line-height:1.18;margin-bottom:.5em}
.s-title .mark{color:var(--coral)}.dark .s-title .mark,.dark-2 .s-title .mark{color:var(--gold)}
.lead{color:var(--ink-soft);font-size:1.08rem;max-width:60ch}
.dark .lead,.dark-2 .lead{color:#cfc8ba}
.center .lead{margin-inline:auto}
.mincho{font-family:var(--f-min)}

/* ボタン */
.btn{display:inline-flex;align-items:center;gap:.55em;padding:1em 2.1em;border-radius:999px;
  font-family:var(--f-jp);font-weight:900;font-size:1rem;letter-spacing:.05em;cursor:pointer;border:2px solid transparent;
  white-space:nowrap;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s}
.btn:hover{transform:translateY(-3px)}
.btn--fill{background:var(--crimson);color:#fff;box-shadow:0 14px 30px rgba(226,59,87,.4)}
.btn--fill:hover{box-shadow:0 20px 42px rgba(226,59,87,.5)}
.btn--gold{background:var(--gold);color:#241a00;box-shadow:0 14px 30px rgba(244,183,64,.36)}
.btn--line{border-color:currentColor;background:transparent}
.btn--line:hover{background:rgba(255,255,255,.08)}
.btn--lg{padding:1.15em 2.7em;font-size:1.06rem}

/* ヘッダー */
.hdr{position:fixed;top:0;inset-inline:0;z-index:60;padding:18px 0;transition:background .35s,padding .35s,box-shadow .35s;color:#fff}
.hdr.solid{background:rgba(11,11,13,.86);backdrop-filter:blur(12px);padding:11px 0;box-shadow:0 1px 0 rgba(255,255,255,.08)}
.hdr .nav{display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:11px}
.brand__badge{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,var(--crimson),var(--gold));
  display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--f-en);font-size:1.2rem}
.brand__t{display:flex;flex-direction:column;line-height:1.12}
.brand__m{font-weight:900;font-size:1.02rem;letter-spacing:.05em;color:#fff}
.brand__s{font-family:var(--f-en);font-size:.6rem;letter-spacing:.24em;color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:.92rem;font-weight:700;letter-spacing:.05em;color:rgba(255,255,255,.88);position:relative;padding:4px 0}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--gold);transition:width .25s var(--ease)}
.nav-links a:not(.btn):hover::after{width:100%}
.nav-links .btn{padding:.5em 1.3em;font-size:.86rem}
.nav-tgl{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;padding:8px;color:#fff}
.nav-tgl span{display:block;height:2.5px;background:currentColor;margin:5px 0;border-radius:3px;transition:.3s var(--ease)}

/* ヒーロー（映像・全画面） */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:#000;padding:0 0 clamp(52px,8vw,104px)}
.hero__video{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero__video video,.hero__video img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);will-change:transform}
.hero__veil{position:absolute;inset:0;z-index:1;background:
  linear-gradient(180deg,rgba(6,6,8,.66) 0%,rgba(6,6,8,.2) 30%,rgba(6,6,8,.35) 60%,rgba(6,6,8,.92) 100%)}
.hero__spot{position:fixed;pointer-events:none;z-index:2;width:46vw;height:46vw;border-radius:50%;
  background:radial-gradient(circle,rgba(255,246,214,.16),transparent 62%);mix-blend-mode:screen;transform:translate(-50%,-50%);opacity:0;transition:opacity .4s}
.hero .wrap{z-index:3}
.hero__badge{display:inline-flex;align-items:center;gap:.5em;background:rgba(226,59,87,.92);color:#fff;font-weight:900;
  font-size:.8rem;letter-spacing:.1em;padding:.5em 1.1em;border-radius:999px;margin-bottom:22px}
.hero__title{color:#fff;font-family:var(--f-jp);font-weight:900;font-size:clamp(2.3rem,7.4vw,5.4rem);line-height:1.05;letter-spacing:.01em;
  text-shadow:0 6px 40px rgba(0,0,0,.6);margin:0 0 .35em;max-width:16ch}
.hero__title .hl{color:var(--gold)}
.hero__title .word{display:inline-block;overflow:hidden;vertical-align:top}
.hero__title .word i{display:inline-block;font-style:normal;transform:translateY(110%)}
.hero__sub{font-family:var(--f-en);font-size:clamp(1rem,2.6vw,1.6rem);letter-spacing:.2em;color:var(--gold);margin:0 0 1em}
.hero__copy{color:#eee;font-size:clamp(1.02rem,2.1vw,1.3rem);max-width:34ch;margin:0 0 1.7em;text-shadow:0 2px 14px rgba(0,0,0,.6)}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;color:rgba(255,255,255,.6);font-size:.72rem;letter-spacing:.24em;font-family:var(--f-en)}
.hero__cue::after{content:"";display:block;width:1px;height:36px;margin:8px auto 0;background:linear-gradient(rgba(255,255,255,.6),transparent);animation:cue 1.8s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* 宣言 */
.declare{padding:clamp(64px,9vw,120px) 0}
.declare__big{font-family:var(--f-min);font-weight:800;font-size:clamp(1.6rem,4.6vw,3rem);line-height:1.55;letter-spacing:.02em}
.declare__big .em{color:var(--gold);font-style:normal}

/* 数字 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;padding:10px 0}
.stat__n{font-family:var(--f-en);font-size:clamp(3rem,8vw,5rem);line-height:1;color:var(--gold)}
.stat__n .u{font-size:.34em;margin-left:.15em;color:#cfc8ba}
.stat__l{font-weight:700;margin-top:.4em}
.stat__d{color:#a49d90;font-size:.82rem;margin-top:.2em}

/* レッスン bento */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:14px}
.cell{position:relative;overflow:hidden;border-radius:20px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:24px;isolation:isolate}
.cell img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .7s var(--ease)}
.cell::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,11,13,.1),rgba(11,11,13,.8))}
.cell:hover img{transform:scale(1.07)}
.cell__k{font-family:var(--f-en);font-size:.72rem;letter-spacing:.2em;color:var(--gold)}
.cell__h{font-size:1.4rem;margin:.1em 0 .2em}
.cell__p{font-size:.86rem;opacity:.92;margin:0}
.cell--tall{grid-row:span 2}.cell--wide{grid-column:span 2}

/* 横スクロール群舞ギャラリー */
.gal-track{overflow:hidden}
.gal-flex{display:flex;gap:18px;padding:10px 4vw;will-change:transform}
.gal-item{position:relative;flex:0 0 auto;width:clamp(280px,34vw,460px);height:clamp(360px,52vh,600px);border-radius:20px;overflow:hidden;background:#111}
.gal-item img{width:100%;height:100%;object-fit:cover}
.gal-item .num{position:absolute;left:16px;top:12px;font-family:var(--f-en);font-size:1.1rem;color:#fff;opacity:.9;text-shadow:0 2px 8px #000}
.gal-hint{color:#a49d90;font-size:.8rem;letter-spacing:.1em;margin-top:16px;text-align:center;font-family:var(--f-en)}

/* 卒団生 */
.alum{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.acard{background:var(--stage-2);border:1px solid var(--line-d);border-radius:18px;padding:26px;transition:transform .3s var(--ease),border-color .3s}
.acard:hover{transform:translateY(-6px);border-color:var(--gold)}
.acard__r{font-family:var(--f-en);font-size:.7rem;letter-spacing:.16em;color:var(--gold)}
.acard__n{font-size:1.22rem;color:#fff;margin:.1em 0 .6em}
.acard__n small{display:block;font-size:.62em;color:#a49d90;font-weight:700;margin-top:.2em}
.acard__q{color:#cfc8ba;font-size:.9rem;line-height:1.85;margin:0}

/* 声 */
.voices{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.vquotes{display:grid;gap:18px}
.vq{background:var(--white);border-radius:18px;padding:24px;box-shadow:0 12px 30px rgba(20,12,4,.08);border-left:6px solid var(--blue)}
.vq:nth-child(even){border-left-color:var(--coral)}
.vq p{color:var(--ink-soft);font-size:.95rem;margin:0 0 .7em}
.vq b{color:var(--ink);font-size:.92rem}
.vmovie{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:16/9;background:#000}
.vmovie iframe{width:100%;height:100%;border:0;display:block}

/* 安心（初心者） */
.assure{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.abox{background:var(--white);border-radius:20px;padding:30px 28px;box-shadow:0 12px 30px rgba(20,12,4,.07)}
.abox h3{font-size:1.24rem;margin-bottom:.5em}
.abox .who{font-family:var(--f-en);font-size:.72rem;letter-spacing:.16em;color:var(--blue);margin-bottom:.6em;display:block}
.abox:nth-child(2) .who{color:var(--coral)}
.abox ul{display:grid;gap:.5em;margin-top:.4em}
.abox li{position:relative;padding-left:1.4em;color:var(--ink-soft);font-size:.95rem}
.abox li::before{content:"✓";position:absolute;left:0;color:var(--wheat);font-weight:900}

/* CTA */
.cta{background:linear-gradient(120deg,#e23b57,#f4b740);color:#fff;border-radius:28px;padding:clamp(44px,7vw,80px);text-align:center;position:relative;overflow:hidden}
.cta h2{font-size:clamp(1.9rem,5vw,3rem);margin-bottom:.3em}
.cta p{color:rgba(255,255,255,.95);max-width:46ch;margin:0 auto 1.7em}
.cta__row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta .btn--line{color:#fff}

/* 追従CTA（モバイル） */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:55;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,11,13,.9);backdrop-filter:blur(10px);display:none;gap:10px;box-shadow:0 -4px 20px rgba(0,0,0,.3)}
.dock a{flex:1;text-align:center;justify-content:center;padding:.85em 1em;font-size:.92rem}

/* フッター */
.ftr{background:#0b0b0d;color:#a49d90;padding:60px 0 34px}
.ftr-grid{display:flex;justify-content:space-between;gap:34px;flex-wrap:wrap}
.ftr .brand__m{color:#fff}
.ftr-brand p{max-width:32ch;font-size:.88rem;margin-top:.9em}
.ftr-nav{display:flex;gap:44px;flex-wrap:wrap}
.ftr-col h4{font-family:var(--f-en);font-size:.78rem;letter-spacing:.14em;color:var(--gold);margin-bottom:.8em}
.ftr-col a{display:block;color:#b7afa0;font-size:.9rem;padding:.26em 0}
.ftr-col a:hover{color:#fff}
.ftr-btm{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;color:#6f695d;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* リビール（GSAP無効時のフォールバックにもなる） */
.rv{opacity:0;transform:translateY(30px)}
.rv.in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}

/* カーソル（デスクトップのみJSで有効化） */
body.spotlight-on .hero__spot{opacity:1}

@media (max-width:1000px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .voices{grid-template-columns:1fr}
  .alum{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(82%,340px);flex-direction:column;align-items:flex-start;justify-content:center;
    gap:22px;padding:44px;background:var(--stage-2);transform:translateX(100%);transition:transform .35s var(--ease)}
  .nav-links.open{transform:none}
  .nav-tgl{display:block;z-index:70}
  .hdr .nav-links .btn{display:none}
  .stats{grid-template-columns:repeat(2,1fr);gap:30px}
  .bento{grid-template-columns:1fr;grid-auto-rows:180px}
  .cell--tall{grid-row:span 1}.cell--wide{grid-column:span 1}
  .alum,.assure{grid-template-columns:1fr}
  .dock{display:flex}
  body{padding-bottom:64px}
  .hero__spot{display:none}
}
@media (prefers-reduced-motion:reduce){
  .hero__video video,.hero__video img{transform:none}
  .hero__title .word i{transform:none}
  .rv{opacity:1;transform:none}
  .hero__cue::after{animation:none}
}