:root{--bg:#0A0A0A;--paper:#F7F5F0;--gold:#C7A46A;--link:#9ec5ff;--ink:#111}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--paper);font-family:system-ui,-apple-system,'Noto Sans JP',Inter,sans-serif}
a{color:var(--link);text-decoration:none}
header{position:sticky;top:0;z-index:40;background:rgba(10,10,10,.6);backdrop-filter:blur(8px);border-bottom:1px solid #2a2a2a}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:28px;width:auto}
nav.primary{display:flex;align-items:center;gap:16px}
nav.primary a{padding:8px 6px}
.lang{margin-left:8px;opacity:.85}
/* hamburger */
.hamburger{display:none;background:none;border:0;color:var(--paper);font-size:24px}
.drawer{display:none;position:fixed;inset:0;background:rgba(10,10,10,.96);z-index:50;padding:24px}
.drawer.open{display:block;animation:fadeIn .25s ease-out}
.drawer nav{display:grid;gap:14px;margin-top:20px}
.drawer .icons{margin-top:auto;display:flex;gap:14px;flex-wrap:wrap}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
/* layout */
.container{max-width:1080px;margin:0 auto;padding:20px}
.btn{padding:10px 16px;border:1px solid var(--gold);color:var(--paper);display:inline-block}
.hero{position:relative;height:82vh;background:url('/artworks/kazane.jpg') center/cover no-repeat;overflow:hidden}
.hero .shade{position:absolute;inset:0;background:radial-gradient(80% 60% at 60% 70%, rgba(10,10,10,.2), rgba(10,10,10,.85))}
.copy{position:absolute;left:6vw;bottom:10vh;filter:drop-shadow(0 10px 30px rgba(0,0,0,.35))}
.copy h1{font-size:56px;margin:0 0 8px 0;letter-spacing:.04em}
.copy p{margin:6px 0 22px 0;opacity:.9}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{border:1px solid #2a2a2a;padding:14px;background:rgba(255,255,255,0.02);border-radius:14px;transform:translateY(12px);opacity:0;transition:transform .6s ease, opacity .6s ease}
.card.reveal{transform:translateY(0);opacity:1}
.muted{opacity:.75}
img.responsive{width:100%;max-width:820px;border:1px solid #2a2a2a;border-radius:10px}
/* footer */
footer{border-top:1px solid #2a2a2a;margin-top:40px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 20px;max-width:1200px;margin:0 auto}
.icons{display:flex;gap:12px;align-items:center}
.icons img{height:22px;width:auto;opacity:.9;transition:opacity .2s ease}
.icons img:hover{opacity:1}
/* parallax */
.parallax{position:absolute;inset:-10%;background:radial-gradient(60% 40% at 65% 60%, rgba(255,230,180,.06), rgba(0,0,0,0));filter:blur(10px);pointer-events:none}
/* responsive */
@media (max-width:860px){
  nav.primary{display:none}
  .hamburger{display:block}
  .copy h1{font-size:36px}
  .hero{height:76vh}
}
@media (prefers-reduced-motion: reduce){
  .card{transition:none}
}

/* === v3.0.6 overrides === */
/* Solid background and high z-index to ensure tappable surface */
.drawer{background:#0A0A0A !important; z-index:9999 !important}
.drawer.open{display:block}
/* Language toggle inside drawer only */
.lang-mobile{margin-top:24px;font-weight:600;color:#f5f5f5}
.lang-mobile a{color:#f5f5f5;text-decoration:none;margin:0 4px}

/* desktop language toggle inside primary nav */
nav.primary .lang-desktop{margin-left:8px;opacity:.9}
nav.primary .lang-desktop a{color:#f5f5f5;text-decoration:none;margin:0 4px}