:root{
  --bg:#0b0c10; --ink:#f4efe6; --dim:#a7a092; --line:#2a2c34;
  --fire:#ff8a3c; --gold:#f2c14e; --snow:#dfe7f0; --card:#13151c;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:var(--gold);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* utility (inline-style 置換) */
.c-gold{color:var(--gold)}
.c-snow{color:var(--snow)}
.grid.tight{margin-top:32px}
.card.media-card{padding:0;overflow:hidden}
.card-body{padding:18px}
.lead-center{margin:18px auto 0}
.upd{margin-top:10px;opacity:.7}

/* ---------- KAMISHIBAI PLAYER ---------- */
#player{position:relative;height:100svh;min-height:560px;overflow:hidden;background:#000}
.scene{position:absolute;inset:0;opacity:0;transition:opacity .9s ease}
.scene.on{opacity:1}
.scene .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  animation:kb 12s ease-out forwards;will-change:transform}
@keyframes kb{from{transform:scale(1.08)}to{transform:scale(1.0)}}
.scene .grad{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,0) 30%,rgba(0,0,0,0) 55%,rgba(0,0,0,.78) 100%)}
.cap{position:absolute;left:0;right:0;bottom:88px;text-align:center;padding:0 24px}
.cap .jp{font-size:clamp(20px,4.4vw,38px);font-weight:700;letter-spacing:.04em;text-shadow:0 2px 24px rgba(0,0,0,.8)}
.cap .en{margin-top:10px;font-size:clamp(12px,1.9vw,16px);color:var(--snow);opacity:.86;text-shadow:0 1px 12px rgba(0,0,0,.8)}
.cap .kicker{font-size:12px;letter-spacing:.3em;color:var(--gold);margin-bottom:14px;text-transform:uppercase}

/* SVG meaning scene */
.svgscene{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 42%,#161922 0%,#0b0c10 70%)}
.svgscene svg{width:min(78vw,560px);height:auto}

/* controls */
.ctl{position:absolute;left:0;right:0;bottom:22px;display:flex;align-items:center;justify-content:center;gap:18px;z-index:5}
.ctl button{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;
  width:46px;height:46px;border-radius:50%;font-size:18px;cursor:pointer;backdrop-filter:blur(6px);transition:.2s}
.ctl button:hover{background:rgba(255,255,255,.2)}
.dots{position:absolute;top:20px;left:0;right:0;display:flex;gap:7px;justify-content:center;z-index:5}
.dots i{width:26px;height:3px;border-radius:3px;background:rgba(255,255,255,.25);transition:.3s}
.dots i.on{background:var(--gold);box-shadow:0 0 10px var(--gold)}
.counter{color:rgba(255,255,255,.75);font-size:12px;letter-spacing:.1em;min-width:48px;text-align:center;font-variant-numeric:tabular-nums}
#pbar{position:absolute;bottom:0;left:0;right:0;height:3px;background:rgba(255,255,255,.12);z-index:5}
#pbar span{display:block;height:100%;width:0;background:var(--gold);transition:width .4s ease}

#start{position:absolute;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(180deg,rgba(8,9,13,.55),rgba(8,9,13,.82)),url('img/hero.png') center/cover;text-align:center;padding:24px}
#start h1{font-size:clamp(34px,8vw,76px);font-weight:800;letter-spacing:.06em;text-shadow:0 4px 40px rgba(0,0,0,.9)}
#start p{color:var(--dim);margin:14px 0 30px;font-size:clamp(13px,2.4vw,17px)}
#start .go{display:inline-flex;align-items:center;gap:12px;background:var(--fire);color:#1a0d04;font-weight:800;
  border:none;padding:16px 30px;border-radius:40px;font-size:17px;cursor:pointer;box-shadow:0 10px 40px rgba(255,138,60,.4);transition:.2s}
#start .go:hover{transform:translateY(-2px)}
.muted-note{position:absolute;bottom:18px;font-size:11px;color:rgba(255,255,255,.5)}

/* ---------- DECK SECTIONS ---------- */
section{padding:84px 0;border-top:1px solid var(--line)}
.eyebrow{font-size:12px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase;margin-bottom:14px}
h2{font-size:clamp(24px,4.6vw,40px);font-weight:800;letter-spacing:.02em;line-height:1.3}
.lead{color:var(--dim);font-size:clamp(15px,2.2vw,18px);max-width:62ch;margin-top:16px}
.grid{display:grid;gap:18px;margin-top:40px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.card h3{font-size:18px;margin-bottom:8px}
.card .big{font-size:30px;font-weight:800;color:var(--fire)}
.card p{color:var(--dim);font-size:14px}
.card .price{color:var(--gold);font-size:15px;margin-top:10px}
.wordbox{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.wordbox input{flex:1;min-width:240px;background:#0e0f14;border:1px solid var(--line);border-radius:12px;
  color:var(--ink);font-size:16px;padding:15px 18px;font-family:inherit}
.wordbox input:focus{outline:none;border-color:var(--gold)}
.wordbox button{background:var(--fire);color:#1a0d04;font-weight:800;border:none;border-radius:12px;
  padding:15px 24px;font-size:15px;cursor:pointer;white-space:nowrap;transition:.2s}
.wordbox button:hover{transform:translateY(-2px)}
.example{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-top:8px}
.example b{color:var(--snow)}
.film-video{width:100%;border-radius:16px;border:1px solid var(--line);margin-top:8px;background:#000;display:block}
.dlbtn{display:inline-block;margin-top:16px;background:var(--fire);color:#1a0d04;font-weight:800;
  padding:13px 24px;border-radius:40px;font-size:15px}
.card .price b{font-size:19px;color:var(--ink)}
.pt{display:flex;gap:12px;align-items:baseline}
.pt b{color:var(--gold);font-size:13px;letter-spacing:.1em;min-width:2.6em}
table{width:100%;border-collapse:collapse;margin-top:36px;font-size:15px}
th,td{padding:14px 12px;text-align:left;border-bottom:1px solid var(--line)}
th{color:var(--gold);font-weight:600;font-size:12px;letter-spacing:.14em;text-transform:uppercase}
td .num{font-size:22px;font-weight:800;color:var(--ink)}
td .usd{font-size:12px;color:var(--dim)}

/* BIM dual viewer */
.bimwrap{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.bimcol{background:#000;border:1px solid var(--line);border-radius:16px;overflow:hidden;position:relative}
.bimcol .tag{position:absolute;top:12px;left:12px;z-index:2;background:rgba(0,0,0,.6);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:12px;padding:5px 12px;border-radius:20px;backdrop-filter:blur(4px)}
.bimcol .tag.gold{color:var(--gold);border-color:var(--gold)}
.bimcol iframe{width:100%;height:360px;border:0;display:block;background:#0e0f14}
.bimcol .foot{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;font-size:12px;color:var(--dim)}
.pass{color:#7ddf8e;font-weight:700}
.bimlink-mid{text-align:center;margin-top:14px;color:var(--dim);font-size:13px}
.bimcol.pb .media{position:relative}
.bimcol.pb .media img,.bimcol.pb .media iframe{width:100%;height:360px;display:block;border:0}
.bimcol.pb .media img{object-fit:cover}
.bimcol.pb .media iframe{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s;background:#0e0f14}
.bimcol.pb.show-bim .media img{visibility:hidden}
.bimcol.pb.show-bim .media iframe{opacity:1;pointer-events:auto}
.pbtab{position:absolute;top:12px;right:12px;z-index:4;display:flex;background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.22);border-radius:20px;overflow:hidden;backdrop-filter:blur(5px)}
.pbtab button{background:transparent;border:0;color:#fff;font-size:12px;padding:6px 15px;cursor:pointer;transition:.2s}
.pbtab button.on{background:var(--gold);color:#1a0d04;font-weight:700}

.badge{display:inline-block;font-size:12px;padding:4px 11px;border-radius:20px;border:1px solid var(--line);color:var(--dim);margin:3px 4px 0 0}
.legal{background:rgba(255,80,60,.07);border:1px solid rgba(255,90,60,.35);border-radius:14px;padding:22px;margin-top:30px}
.legal b{color:#ff7a5c}
.legal ul{margin:10px 0 0 18px;color:var(--dim);font-size:14px}

.cta{text-align:center;padding:96px 20px}
.cta h2{font-size:clamp(30px,7vw,60px)}
.cta .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-block;padding:15px 28px;border-radius:40px;font-weight:700;font-size:15px}
.btn.fire{background:var(--fire);color:#1a0d04}
.btn.ghost{border:1px solid var(--line);color:var(--ink)}
footer{padding:40px 20px;text-align:center;color:var(--dim);font-size:12px;border-top:1px solid var(--line)}
#langToggle{position:fixed;top:14px;right:14px;z-index:50;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;padding:8px 14px;border-radius:20px;cursor:pointer;backdrop-filter:blur(6px)}
#langToggle:hover{background:rgba(255,255,255,.18)}

@media(max-width:760px){
  .cols-3,.cols-2,.bimwrap{grid-template-columns:1fr}
  .cap{bottom:96px}
}