@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@500;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root{
  --font-head:'Shippori Mincho', serif;
  --font-body:'Noto Sans JP', -apple-system, sans-serif;
  --ink:#231f1a;
  --ink-soft:#4a443c;
  --paper:#faf7f1;
  --paper-alt:#f1ebe0;
  --line:rgba(35,31,26,.12);
  --shadow:0 18px 40px rgba(20,16,10,.14);
  --radius:2px;
  --maxw:1180px;
  --accent:#7d2333;
  --accent-dark:#551729;
  --accent-soft:#f4e4e6;
  --gold:#b8923f;
}

/* ---------- theme skins ---------- */
body[data-theme="geisha"]{
  --accent:#7d2333; --accent-dark:#4f1522; --accent-soft:#f4e2e3; --gold:#b8923f;
}
body[data-theme="marche"]{
  --accent:#b06a2c; --accent-dark:#7a4a1c; --accent-soft:#f3e6d4; --gold:#7a8c5e;
}
body[data-theme="hime"]{
  --accent:#a94f76; --accent-dark:#6d2f4c; --accent-soft:#f6e3ec; --gold:#4a7ba6;
}
body[data-theme="hub"]{
  --accent:#3a3230; --accent-dark:#1c1815; --accent-soft:#efe9e0; --gold:#9c7a3d;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.4;color:var(--ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- language toggle ---------- */
body[data-lang="en"] .lang-ja{display:none}
body[data-lang="ja"] .lang-en{display:none}
.lang-toggle{
  display:inline-flex;border:1px solid rgba(255,255,255,.55);border-radius:20px;overflow:hidden;
  font-size:12px;letter-spacing:.08em;
}
.lang-toggle button{
  background:transparent;border:0;color:inherit;padding:6px 14px;cursor:pointer;
  font-family:var(--font-body);font-size:12px;letter-spacing:.08em;color:inherit;opacity:.65;
}
.lang-toggle button.active{opacity:1;font-weight:500}
.lang-toggle button:not(.active):hover{opacity:.9}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;
  transition:background .35s ease, box-shadow .35s ease, padding .35s ease;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between}
.site-header.solid{background:rgba(250,247,241,.94);backdrop-filter:blur(8px);box-shadow:0 2px 18px rgba(0,0,0,.06);padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-head);font-size:19px;letter-spacing:.04em}
.site-header.solid .brand{color:var(--ink)}
.brand .mark{width:34px;height:34px;border:1px solid currentColor;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px}
nav.main-nav{display:flex;align-items:center;gap:30px}
nav.main-nav a{color:#fff;font-size:13.5px;letter-spacing:.06em;position:relative;padding:4px 0}
.site-header.solid nav.main-nav a{color:var(--ink-soft)}
nav.main-nav a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;background:currentColor;transition:width .3s}
nav.main-nav a:hover::after{width:100%}
.site-header .lang-toggle{color:#fff}
.site-header.solid .lang-toggle{color:var(--ink);border-color:var(--line)}
.site-header.solid .lang-toggle{border:1px solid var(--line)}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
.site-header.solid .nav-toggle{color:var(--ink)}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:flex-end;color:#fff;
  background-size:cover;background-position:center;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,14,10,.35) 0%,rgba(20,14,10,.25) 40%,rgba(15,10,7,.82) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding-bottom:9vh}
.hero .eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.28em;border:1px solid rgba(255,255,255,.55);
  padding:6px 16px;border-radius:20px;margin-bottom:22px;
}
.hero h1{font-size:clamp(34px,6vw,68px);color:#fff;margin-bottom:18px;letter-spacing:.02em}
.hero p.lede{font-size:16px;max-width:560px;font-weight:300;color:rgba(255,255,255,.88);margin-bottom:32px}
.scroll-cue{position:absolute;bottom:28px;left:28px;z-index:2;color:#fff;font-size:11px;letter-spacing:.2em;
  display:flex;align-items:center;gap:10px;opacity:.8}
.scroll-cue .line{width:1px;height:34px;background:rgba(255,255,255,.6);position:relative;overflow:hidden}
.scroll-cue .line::after{content:'';position:absolute;top:-40px;left:0;width:100%;height:40%;background:#fff;animation:cue 1.8s infinite}
@keyframes cue{0%{top:-40%}100%{top:110%}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:2px;
  font-size:13px;letter-spacing:.1em;border:1px solid currentColor;transition:all .3s;
}
.btn-solid{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-solid:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.btn-ghost{color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}

/* ---------- section framework ---------- */
section{padding:110px 0}
section.tight{padding:80px 0}
.section-head{max-width:640px;margin-bottom:56px}
.section-head .kicker{
  display:block;font-size:12.5px;letter-spacing:.25em;color:var(--accent);margin-bottom:14px;font-weight:500;
}
.section-head h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:18px}
.section-head p{color:var(--ink-soft);font-size:15px}
.alt{background:var(--paper-alt)}

/* ---------- story / split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:460px;object-fit:cover}
.split .txt h3{font-size:24px;margin-bottom:16px}
.split .txt p{color:var(--ink-soft);margin-bottom:14px;font-size:15px}
.split.rev{direction:rtl}
.split.rev>*{direction:ltr}

/* ---------- feature grid ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.feature-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px rgba(20,14,10,.08);
  transition:transform .35s, box-shadow .35s}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(20,14,10,.14)}
.feature-card .img{height:200px;overflow:hidden}
.feature-card .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.feature-card:hover .img img{transform:scale(1.06)}
.feature-card .body{padding:26px 24px}
.feature-card .num{font-family:var(--font-head);color:var(--accent);font-size:13px;letter-spacing:.12em;margin-bottom:8px;display:block}
.feature-card h4{font-size:18px;margin-bottom:10px}
.feature-card p{color:var(--ink-soft);font-size:14px}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery a{display:block;border-radius:var(--radius);overflow:hidden;position:relative}
.gallery img{height:230px;width:100%;object-fit:cover;transition:transform .5s}
.gallery a:hover img{transform:scale(1.08)}
.gallery .big{grid-column:span 2;grid-row:span 2}
.gallery .big img{height:100%;min-height:474px}

/* ---------- info / access ---------- */
.info-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:40px}
.info-panel h3{color:#fff;font-size:22px;margin-bottom:18px}
.info-panel dl{display:grid;grid-template-columns:88px 1fr;row-gap:14px;font-size:14px}
.info-panel dt{color:rgba(255,255,255,.55);letter-spacing:.06em}
.info-panel dd{color:rgba(255,255,255,.92)}

/* ---------- cta / footer ---------- */
.cta{
  text-align:center;padding:120px 0;background:var(--accent);color:#fff;
}
.cta h2{color:#fff;font-size:clamp(26px,4vw,38px);margin-bottom:20px}
.cta p{color:rgba(255,255,255,.85);margin-bottom:34px;font-size:15px}
.cta .btn{border-color:#fff;color:#fff}
.cta .btn.btn-solid{background:#fff;color:var(--accent)}
.cta .btn.btn-solid:hover{background:rgba(255,255,255,.85)}

footer.site-footer{background:var(--ink);color:rgba(255,255,255,.65);padding:64px 0 30px;font-size:13px}
footer.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
footer.site-footer .fbrand{font-family:var(--font-head);color:#fff;font-size:18px;margin-bottom:10px}
footer.site-footer .flinks{display:flex;gap:26px}
footer.site-footer .bottom{max-width:var(--maxw);margin:0 auto;padding:22px 28px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;opacity:.6}

nav.main-nav a.current{opacity:1!important}
nav.main-nav a.current::after{width:100%}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .split{grid-template-columns:1fr;gap:34px}
  .split.rev{direction:ltr}
  .split img{height:300px}
  .grid3{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery .big{grid-column:span 2;grid-row:span 1}
  .gallery .big img{min-height:230px}
  .info-panel{grid-template-columns:1fr;padding:32px}
  nav.main-nav{position:fixed;top:0;right:-100%;height:100vh;width:78%;max-width:320px;
    background:var(--paper);flex-direction:column;justify-content:center;align-items:flex-start;
    padding:0 40px;gap:26px;transition:right .4s ease;box-shadow:-10px 0 40px rgba(0,0,0,.15)}
  nav.main-nav.open{right:0}
  nav.main-nav a{color:var(--ink)!important;font-size:16px}
  .nav-toggle{display:block}
  section{padding:70px 0}
  .cta{padding:80px 0}
}