/* Base Typography & Reset */
:root{
  --bg:#0c0c0c;           /* 深い黒 */
  --fg:#e7e2d9;           /* 温かみのある象牙色 */
  --muted:#b9b1a6;        /* 補助テキスト */
  --accent:#b08968;       /* 伝統感のある茶銅色 */
  --accent-2:#8c6143;     /* アクセント濃色 */
  --line:#2a2a2a;         /* 枠線 */
  --card:#141414;         /* カード背景 */
  --ghost:#1c1c1c;        /* さらに濃い背景 */
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:"Inter","Noto Serif JP",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",sans-serif;line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

.container{width:min(1120px,92%);margin-inline:auto}
.section{padding:80px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:none}
.section-title{font-family:"Noto Serif JP",serif;font-weight:700;font-size:clamp(24px,3.2vw,34px);letter-spacing:.06em;margin:0 0 20px}
.section-lead{color:var(--muted);margin:0 0 28px}
.btn{display:inline-flex;gap:10px;align-items:center;padding:12px 18px;border-radius:999px;border:1px solid var(--accent);color:var(--fg);transition:.25s background,.25s color,.25s border}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
.btn-outline:hover{background:var(--ghost)}
.btn-ghost{border-color:transparent;background:transparent}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(12,12,12,.8);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;flex-direction:column;line-height:1}
.brand-jp{font-family:"Noto Serif JP",serif;font-weight:700;letter-spacing:.12em;font-size:clamp(16px,2.2vw,22px)}
.brand-en{font-size:clamp(10px,1.2vw,14px);color:var(--muted);letter-spacing:.2em;text-transform:uppercase;margin-top:4px}

.site-nav ul{display:flex;gap:20px;align-items:center;margin:0;padding:0;list-style:none}
.site-nav a{padding:8px 12px;border-radius:8px}
.site-nav a:hover{background:var(--ghost)}

.nav-toggle{display:none;background:none;border:none;width:42px;height:36px;align-items:center;justify-content:center}
.nav-toggle .bar{display:block;width:22px;height:2px;background:var(--fg);margin:3px 0;border-radius:2px}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:0;transition:opacity 1.2s ease;will-change:opacity;pointer-events:none}
/* 初期レイヤーには暗めのグラデーションを敷いておく（初回描画までのフォールバック） */
.hero .hero-bg:nth-of-type(1){background-image:radial-gradient(80% 60% at 50% 40%, #1a1a1a 0%, #0c0c0c 60%);opacity:.45}
.hero-inner{position:relative;padding:80px 0}
.hero-title{font-family:"Noto Serif JP",serif;font-size:clamp(32px,5.4vw,56px);margin:0 0 12px}
.hero-subtitle{color:var(--muted);margin:0 0 26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

/* About */
.two-col{display:grid;grid-template-columns:1.2fr .8fr;gap:36px}
.card-list{display:grid;grid-template-columns:repeat(1,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin:0 0 8px;font-family:"Noto Serif JP",serif}
.card p{margin:0;color:var(--muted)}
.card i{color:var(--accent);margin-right:8px}

/* Menu */
.section-menu{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(0,0,0,0));background-size:cover}
.menu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:36px}
.menu-heading{font-family:"Noto Serif JP",serif;margin:0 0 8px}
.menu-list{margin:0;padding:0;list-style:none;border-top:1px dashed var(--line)}
.menu-item{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;padding:12px 0;border-bottom:1px dashed var(--line)}
.menu-item .dots{flex:1;height:1px;background:repeating-linear-gradient(90deg,transparent 0 6px,var(--line) 6px 12px)}
.menu-item .price{color:var(--muted)}
.menu-note{color:var(--muted);margin-top:14px}

/* Gallery */
.section-gallery .gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.section-gallery .ph{aspect-ratio:4/3;background:linear-gradient(135deg,#151515,#0f0f0f);border:1px solid var(--line);border-radius:12px}
.section-gallery .gallery-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);border-radius:12px;background:#0b0b0b}

/* Access */
.info-list{display:grid;grid-template-columns:120px 1fr;gap:8px 14px;margin:0}
.info-list dt{color:var(--muted)}
.info-list dd{margin:0}
.map-placeholder{display:flex;align-items:center;justify-content:center;background:var(--ghost);border:1px dashed var(--line);border-radius:12px;min-height:320px;color:var(--muted)}

/* Contact */
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.contact-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.contact-card:hover{border-color:var(--accent)}
.contact-card i{color:var(--accent);font-size:18px}
.contact-note{color:var(--muted);margin-top:10px}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:20px 0;background:#0a0a0a}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:10px}
.footer-inner nav{display:flex;gap:12px}
.footer-inner a{color:var(--muted)}
.footer-inner a:hover{color:var(--fg)}

/* Responsive */
@media (max-width: 920px){
  .two-col{grid-template-columns:1fr}
  .menu-grid{grid-template-columns:1fr}
  .section-gallery .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 680px){
  .site-nav{position:fixed;inset:60px 14px auto;top:60px;background:rgba(20,20,20,.96);border:1px solid var(--line);border-radius:12px;padding:10px;transform:translateY(-20px);opacity:0;pointer-events:none;transition:.25s}
  .site-nav.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .site-nav ul{flex-direction:column;align-items:stretch}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .section-gallery .gallery-grid{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
}
