/* TOP と WORKS：1枚の体験。JS が動く時だけ画面に固定する */
html.js body.experience{height:100%;overflow:hidden;overscroll-behavior:none;touch-action:none;background:var(--night)}
html.js.exp-gl{height:100%}

#scene{position:fixed;inset:0;perspective:1200px;background:var(--night) center/cover no-repeat}
#gl{position:absolute;inset:-1.5%;width:103%;height:103%;display:block;transform-origin:50% 50%;will-change:transform}
html:not(.js) #scene,html:not(.js) #v{display:none}

.experience .site-header{transition:opacity .9s var(--ease)}

/* TOP */
#top{position:fixed;left:var(--gut);top:50%;transform:translateY(-46%);z-index:10;text-shadow:0 1px 18px rgba(0,0,0,.55)}
#top h1{font-family:var(--serif);font-weight:300;font-size:clamp(30px,3.05vw,50px);line-height:1.52;letter-spacing:.04em}
#top h1 span{display:block;white-space:nowrap}
#top p{margin-top:26px;font-size:clamp(13px,1.02vw,15.5px);color:var(--white-2);letter-spacing:.08em;font-weight:400}
#top .cta{margin-top:46px}
.scroll-cue{position:fixed;left:var(--gut);bottom:0;height:86px;padding:18px 0 0 26px;border-left:1px solid rgba(233,237,242,.22);font-family:var(--latin);font-size:10px;letter-spacing:.3em;color:var(--white-3);z-index:10}

/* WORKS */
#works-text{position:fixed;left:var(--gut);top:50%;transform:translateY(-50%);z-index:10;width:min(30vw,420px);pointer-events:none;opacity:0}
#works-text h2{margin-top:20px;font-family:var(--latin);font-weight:300;font-size:clamp(32px,3.4vw,54px);letter-spacing:.05em;line-height:1.18}
#works-text h2 small{display:block;margin-top:10px;font-family:var(--serif);font-size:clamp(13px,1.05vw,16px);letter-spacing:.14em;color:var(--white-2)}
#works-text .w-cat{margin-top:18px;font-size:14px;color:var(--white-2);letter-spacing:.1em}
.w-meta{margin-top:22px;display:grid;gap:6px;font-size:12px;letter-spacing:.08em}
.w-meta div{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:baseline}
.w-meta dt{font-size:10.5px;color:var(--white-3);letter-spacing:.2em}
.w-meta dd{color:var(--white-2)}
.w-meta .real{color:var(--white)}
#works-text .cta{margin-top:30px;pointer-events:auto}
#works-text .swap{transition:opacity .35s,transform .45s var(--ease)}
#works-text.is-swapping .swap{opacity:0;transform:translateY(8px)}

#counter{position:fixed;right:var(--gut);bottom:40px;display:flex;align-items:center;gap:14px;font-family:var(--latin);font-size:11px;letter-spacing:.2em;color:var(--white-2);z-index:12;opacity:0}
#counter .bar{position:relative;width:120px;height:1px;background:rgba(233,237,242,.22)}
#counter .bar i{position:absolute;left:0;top:-.5px;height:2px;background:var(--white);transition:width .6s var(--ease)}
#counter .step{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;color:var(--white-2);transition:color .3s,background .3s}
#counter .step:hover{color:var(--white);background:rgba(233,237,242,.07)}
#counter .step[data-step="-1"] svg{transform:scaleX(-1)}

#panels{position:fixed;inset:0;perspective:1500px;perspective-origin:64% 44%;z-index:5;pointer-events:none}
.panel{position:absolute;left:33vw;top:24vh;width:36vw;aspect-ratio:16/10;transform-origin:50% 50%;transform-style:preserve-3d;will-change:transform,opacity,filter;opacity:0;cursor:pointer;
  -webkit-box-reflect:below 3px linear-gradient(transparent 62%,rgba(255,255,255,.14))}
.panel .face{position:absolute;inset:0;overflow:hidden;border-radius:3px;background:#0d1117;
  box-shadow:0 0 0 1px rgba(214,224,240,.30),0 0 30px rgba(190,205,230,.10),0 30px 80px rgba(0,0,0,.55);transition:box-shadow .35s}
.panel img{width:100%;height:100%;object-fit:cover;display:block}
.panel .face::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.16),rgba(255,255,255,0) 32%,rgba(255,255,255,0) 70%,rgba(255,255,255,.07));mix-blend-mode:screen}
.panel .no{position:absolute;right:16px;bottom:12px;font-family:var(--latin);font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.8);text-shadow:0 1px 6px rgba(0,0,0,.6)}
.panel:hover .face,.panel:focus-visible .face{box-shadow:0 0 0 1px rgba(232,238,248,.62),0 0 44px rgba(200,214,236,.20),0 30px 80px rgba(0,0,0,.55)}
.panel:focus-visible{outline:none}

/* 入口：読み込み → 触れる → 始まる */
#gate[hidden],.g-start[hidden]{display:none}
#gate{position:fixed;inset:0;z-index:60;display:grid;place-content:center;justify-items:center;gap:26px;background:var(--night);transition:opacity 1.3s var(--ease),visibility 0s 1.3s}
#gate.is-out{opacity:0;visibility:hidden}
.g-logo{font-family:var(--latin);font-size:17px;letter-spacing:.32em;padding-left:.32em;color:var(--white)}
.g-bar{position:relative;width:132px;height:1px;background:rgba(233,237,242,.16);transition:opacity .6s}
.g-bar i{position:absolute;left:0;top:0;height:1px;width:0;background:var(--white);transition:width .5s var(--ease)}
#gate.is-ready .g-bar{opacity:0}
.g-start{display:inline-flex;align-items:center;gap:16px;font-size:12.5px;letter-spacing:.2em;color:var(--white-2);opacity:0;transform:translateY(6px);transition:opacity .9s,transform .9s var(--ease),color .3s}
#gate.is-ready .g-start{opacity:1;transform:none}
.g-start:hover{color:var(--white)}
.g-ring{width:30px;height:30px;border-radius:50%;border:1px solid rgba(233,237,242,.4);position:relative}
.g-ring::after{content:"";position:absolute;inset:-1px;border-radius:50%;border:1px solid rgba(233,237,242,.5);animation:g-breathe 2.4s var(--ease) infinite}
@keyframes g-breathe{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.9);opacity:0}}
html.js .experience.is-gated #top,html.js .experience.is-gated .scroll-cue,html.js .experience.is-gated .site-header{opacity:0}

/* 作品の詳しいページへ：白銀の幕 */
#veil{position:fixed;inset:0;z-index:50;pointer-events:none;opacity:0;background:radial-gradient(120% 90% at 70% 10%,#EEF2F4,#D9DEE2 55%,#C9D0D6);transition:opacity .7s var(--ease)}
#veil.is-on{opacity:1}

/* 動かせない時の一覧（JSなし・WebGLなし・動きを減らす設定の予備）。体験が動く時は読み上げにだけ残す */
#works-list{padding:140px var(--gut) 80px}
#works-list h2{font-family:var(--latin);font-weight:300;font-size:40px;letter-spacing:.06em;margin-bottom:28px}
#works-list ol{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
#works-list a{display:grid;gap:4px}
#works-list img{aspect-ratio:16/10;object-fit:cover;border-radius:3px;margin-bottom:10px;box-shadow:0 0 0 1px rgba(214,224,240,.25)}
#works-list .no,#works-list .l{font-family:var(--latin);font-size:11px;letter-spacing:.2em;color:var(--white-3)}
#works-list .l{font-family:var(--sans);letter-spacing:.08em}
#works-list .t{font-size:17px}
#works-list .c{font-size:13px;color:var(--white-2)}
html.js .exp-on #works-list{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);padding:0}
html:not(.js) #top{position:static;transform:none;padding:160px var(--gut) 40px}
html:not(.js) .scroll-cue,html:not(.js) #works-text,html:not(.js) #counter,html:not(.js) #panels{display:none}
body.experience:not(.exp-on) #works-text,body.experience:not(.exp-on) #counter,body.experience:not(.exp-on) .scroll-cue{display:none}
body.experience:not(.exp-on){overflow:auto;height:auto;touch-action:auto}
body.experience:not(.exp-on) #top{position:static;transform:none;padding:160px var(--gut) 40px}

@media (max-aspect-ratio:4/5){
  #top{left:20px;right:20px;top:auto;bottom:max(110px,calc(env(safe-area-inset-bottom) + 96px));transform:none}
  #top h1{font-size:clamp(22px,6.5vw,30px)}
  #top p{margin-top:16px;font-size:12.5px}
  #top .cta{margin-top:24px}
  .scroll-cue{display:none}
  #works-text{left:20px;right:20px;width:auto;top:auto;bottom:max(96px,calc(env(safe-area-inset-bottom) + 84px));transform:none}
  #works-text h2{font-size:30px;margin-top:10px}
  #works-text .w-cat{margin-top:10px;font-size:13px}
  .w-meta{margin-top:12px}
  #works-text .cta{margin-top:16px}
  #counter{left:20px;right:20px;bottom:max(24px,env(safe-area-inset-bottom));justify-content:space-between}
  #counter .bar{flex:1}
  #scene::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(6,8,11,0) 48%,rgba(6,8,11,.5) 70%,rgba(6,8,11,.66))}
  #panels{perspective:1000px;perspective-origin:58% 30%}
  .panel{left:9vw;top:17vh;width:82vw}
}
@media (max-aspect-ratio:4/5) and (max-height:700px){
  .w-meta{display:none}
}