/* ====================================================================
   BLACK ORDER — production design system  (black × gold)
   ==================================================================== */
:root{
  --bk:#0a0908; --bk2:#100e0b; --bk3:#181410;
  --gold:#c5a059; --gold-l:#e8c97a; --gold-d:#8b6e2e; --gold-pale:#f0d898;
  --ink:#e3d9c7; --soft:#a0957d; --faint:#6f6555;
  --line:rgba(197,160,89,0.22); --line-2:rgba(197,160,89,0.40);
  --serif:'Noto Serif JP',"Hiragino Mincho ProN",serif;
  --display:'Cormorant Garamond',serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--bk) url("assets/marble.png") repeat;
  background-size:1500px auto;
  color:var(--ink); font-family:var(--serif); font-weight:300;
  line-height:1.95; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(197,160,89,.28);color:#fff;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 24px;}
.narrow{max-width:720px;}

/* ---- type ---- */
.eyebrow{font-family:var(--display);font-weight:500;font-size:clamp(.66rem,1.6vw,.78rem);
  letter-spacing:.42em;text-transform:uppercase;color:var(--gold-d);}
.label{font-family:var(--display);font-weight:500;font-size:.66rem;letter-spacing:.4em;
  text-transform:uppercase;color:var(--gold-d);}
h1,h2,h3{font-weight:500;color:#efe6d4;line-height:1.5;text-wrap:balance;}
h1{font-size:clamp(1.5rem,5vw,2.6rem);}
h2{font-size:clamp(1.3rem,4vw,2rem);}
h3{font-size:clamp(1.02rem,2.4vw,1.22rem);}
.g{color:var(--gold);}
.gp{color:var(--gold-pale);}
.script{font-family:var(--display);font-style:italic;}
.lead{font-size:clamp(.92rem,2.2vw,1.05rem);color:var(--soft);line-height:2.1;}
.muted{color:var(--faint);font-size:.8rem;letter-spacing:.04em;}

/* ---- ornaments ---- */
.orn{display:flex;align-items:center;gap:13px;justify-content:center;margin:26px 0;}
.orn i{flex:1;max-width:90px;height:1px;display:block;background:linear-gradient(90deg,transparent,var(--gold-d));}
.orn i.r{background:linear-gradient(90deg,var(--gold-d),transparent);}
.orn .dia{width:7px;height:7px;background:var(--gold);transform:rotate(45deg);flex-shrink:0;
  box-shadow:0 0 9px rgba(197,160,89,.5);}
.orn.left{justify-content:flex-start;}
.orn.left i{max-width:60px;}

/* ---- wordmark ---- */
.wm{height:auto;filter:drop-shadow(0 4px 20px rgba(0,0,0,.6));}

/* ---- buttons ---- */
.btn-gold{display:inline-flex;align-items:center;justify-content:center;gap:.6em;position:relative;white-space:nowrap;
  padding:1.05em clamp(1.5em,5vw,2.6em);border-radius:2px;overflow:hidden;cursor:pointer;border:none;
  font-family:var(--serif);font-weight:600;font-size:clamp(.9rem,2.2vw,1rem);letter-spacing:.08em;
  color:#120d05;background:linear-gradient(135deg,#8b6e2e,#c5a059 32%,#f0d898 52%,#c5a059 72%,#8b6e2e);
  box-shadow:0 6px 26px rgba(197,160,89,.28),0 0 0 1px rgba(197,160,89,.5),inset 0 1px 0 rgba(255,255,255,.35);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);min-height:52px;}
.btn-gold::before{content:'';position:absolute;top:-50%;left:-60%;width:32%;height:200%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-15deg);
  transition:left .6s var(--ease);}
.btn-gold:hover::before{left:135%;}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(197,160,89,.45),0 0 0 1px rgba(197,160,89,.6),0 0 60px rgba(197,160,89,.16),inset 0 1px 0 rgba(255,255,255,.4);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{display:inline-flex;align-items:center;gap:.5em;padding:.85em 1.8em;border:1px solid var(--gold-d);
  border-radius:2px;color:var(--gold);font-size:.9rem;letter-spacing:.06em;background:rgba(197,160,89,.04);
  transition:.3s var(--ease);min-height:48px;}
.btn-ghost:hover{border-color:var(--gold);background:rgba(197,160,89,.1);}

/* ---- site header ---- */
.site-head{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;
  justify-content:space-between;gap:14px;padding:14px clamp(16px,4vw,40px);
  background:linear-gradient(180deg,rgba(8,7,6,.92),rgba(8,7,6,.6));backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);}
.site-head .hm{display:flex;align-items:center;gap:11px;}
.site-head .hm img.emb{width:26px;height:26px;object-fit:contain;}
.site-head .hm img.wm{height:18px;}
.site-head .htag{font-family:var(--display);font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold-d);}

/* ---- sections ---- */
section{position:relative;}
.sec-pad{padding:clamp(64px,11vw,120px) 0;}
.sec-top-rule::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2),transparent);}
.center{text-align:center;}

/* ---- cards ---- */
.card{background:linear-gradient(160deg,var(--bk2),#0b0a08);border:1px solid var(--line);
  border-radius:5px;padding:clamp(20px,3vw,30px);position:relative;overflow:hidden;
  transition:border-color .4s var(--ease),transform .4s var(--ease);}
.card:hover{border-color:var(--line-2);transform:translateY(-4px);}
.card.hot{border-color:var(--line-2);box-shadow:0 0 40px rgba(197,160,89,.07);}
.card.hot::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--gold-d),var(--gold),var(--gold-pale),var(--gold),var(--gold-d));}
.card .ctag{font-family:var(--display);font-size:.6rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold-d);}
.card h3{margin:6px 0 9px;}
.card p{font-size:.86rem;color:var(--soft);line-height:1.95;}
.card .cnum{font-family:var(--display);font-size:2.4rem;font-weight:600;color:var(--gold-d);opacity:.5;line-height:1;}

/* ---- quote / letter ---- */
.quote{border-left:2px solid var(--gold-d);padding-left:20px;margin:26px 0;font-family:var(--display);
  font-style:italic;font-size:clamp(1.05rem,2.6vw,1.3rem);color:#d8cdb6;line-height:1.85;}
.letter p{font-size:clamp(.92rem,2.2vw,1.02rem);color:var(--soft);line-height:2.25;margin-bottom:1.2em;}
.letter p .hl{color:var(--gold);}
.emph{display:block;text-align:center;font-size:clamp(1.05rem,2.8vw,1.35rem);color:#efe6d4;line-height:1.85;
  margin:40px 0;padding:clamp(24px,4vw,40px);border:1px solid var(--line);border-radius:5px;
  background:radial-gradient(ellipse at top,rgba(197,160,89,.06),transparent 70%),linear-gradient(160deg,var(--bk2),#0b0a08);}

/* ---- flow steps ---- */
.flow{display:grid;gap:14px;}
.flow .step{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line);}
.flow .step:last-child{border-bottom:none;}
.flow .sn{flex-shrink:0;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;font-family:var(--display);font-size:1.05rem;color:var(--gold);
  background:radial-gradient(circle,rgba(197,160,89,.1),transparent);}
.flow .st{font-size:.96rem;color:#ddd2bd;font-weight:400;}
.flow .sd{font-size:.8rem;color:var(--faint);line-height:1.7;margin-top:2px;}

/* ---- letter-open (subpages: door opens → letter begins, no seal) ---- */
.letter-open{position:relative;padding:clamp(120px,18vh,200px) 0 clamp(20px,4vw,48px);}
.letter-open::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(620px,78vw);height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent);opacity:.55;}

/* ---- seal hero (legacy; unused) ---- */
.seal-hero{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:90px 24px 60px;position:relative;}
.seal-hero .wax{width:clamp(150px,38vw,210px);height:auto;cursor:pointer;
  filter:drop-shadow(0 10px 30px rgba(0,0,0,.6));transition:transform .6s var(--ease),opacity .5s var(--ease);}
.seal-hero .wax:hover{transform:scale(1.03);}
.seal-hero .seal-hint{margin-top:18px;font-family:var(--display);font-style:italic;color:var(--soft);font-size:.95rem;
  transition:opacity .4s;}
.seal-hero .scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:var(--gold-d);
  font-size:1.3rem;animation:bob 2.4s ease-in-out infinite;opacity:.7;}
.seal-hero.broken .wax{transform:scale(1.14) rotate(-7deg);opacity:.12;}
.seal-hero.broken .seal-hint{opacity:0;}
.seal-hero .reveal-eyebrow{max-height:0;opacity:0;overflow:hidden;transition:max-height .5s var(--ease) .2s,opacity .5s .2s;}
.seal-hero.broken .reveal-eyebrow{max-height:60px;opacity:1;}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(8px);}}

/* ---- other doors (cross-page rescue links) ---- */
.otherdoors{border-top:1px solid var(--line);padding:clamp(46px,8vw,76px) 0 clamp(40px,7vw,64px);text-align:center;}
.otherdoors .od-k{font-family:var(--display);font-size:.62rem;letter-spacing:.4em;text-transform:uppercase;color:var(--gold-d);}
.otherdoors h3{margin:8px 0 26px;font-weight:500;}
.od-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:760px;margin:0 auto;}
@media (max-width:640px){.od-grid{grid-template-columns:1fr;}}
.od-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:24px 20px;border:1px solid var(--line);
  border-radius:5px;background:linear-gradient(160deg,var(--bk2),#0b0a08);transition:border-color .35s var(--ease),transform .35s var(--ease);}
.od-card:hover{border-color:var(--line-2);transform:translateY(-3px);}
.od-card .rt{font-family:var(--display);font-size:.58rem;letter-spacing:.36em;text-transform:uppercase;color:var(--gold);opacity:.85;}
.od-card .dt{font-size:1.02rem;color:#eae0ce;font-weight:500;}
.od-card .ds{font-size:.78rem;color:var(--soft);}
.od-card .go{margin-top:5px;font-size:.78rem;letter-spacing:.08em;color:var(--gold);opacity:.6;transition:opacity .35s var(--ease),gap .35s;display:inline-flex;gap:.45em;align-items:center;}
.od-card:hover .go{opacity:1;gap:.8em;}

/* ---- footer ---- */
.site-foot{border-top:1px solid var(--line);text-align:center;padding:48px 24px 40px;}
.site-foot .sy{font-family:var(--display);font-size:.62rem;letter-spacing:.5em;text-transform:uppercase;color:var(--gold-d);}
.site-foot .cp{font-size:.6rem;color:#3a352c;letter-spacing:.14em;margin-top:14px;}
.site-foot .emb{width:30px;height:30px;object-fit:contain;margin:0 auto 14px;opacity:.85;}

/* ---- reveal (JS-gated; no-JS shows everything) ---- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.js .reveal.in{opacity:1;transform:none;}
.js .reveal.d1{transition-delay:.1s;}
.js .reveal.d2{transition-delay:.2s;}
.js .reveal.d3{transition-delay:.3s;}

/* ---- page transition overlay ---- */
.pt-overlay{position:fixed;inset:0;z-index:200;background:var(--bk);opacity:0;visibility:hidden;
  display:flex;align-items:center;justify-content:center;transition:opacity .42s var(--ease),visibility 0s .42s;}
.pt-overlay .ln{width:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);
  transition:width .5s var(--ease);}
.pt-overlay.on{opacity:1;visibility:visible;transition:opacity .42s var(--ease);}
.pt-overlay.on .ln{width:min(420px,70vw);}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;}
  .js .reveal{opacity:1!important;transform:none!important;}
  .pt-overlay{display:none!important;}
}