:root {
  --bg: #faf7f3;
  --bg-alt: #fff;
  --ink: #2d2a26;
  --sub: #5a534b;
  --brand: #b89364; /* 月の光を想起させるゴールドベージュ */
  --accent: #6b8a7a; /* ハーブグリーン */
  --line: #e8e2da;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --header-h: 94px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Noto Sans JP", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Hiragino Kaku Gothic ProN", Meiryo, "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  letter-spacing: .02em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, 92%); margin: 0 auto; }

/* Header */
header {
  position: sticky; top: 0; z-index: 1000;
  backdrop-filter: saturate(180%) blur(8px);
  background: color-mix(in oklab, var(--bg-alt) 90%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 62px 0 7px 0;
  min-height: var(--header-h);
  position: relative;
  z-index: 1001;
}
.brand { display:flex; align-items:center; gap:12px; font-weight: 700; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 6px color-mix(in srgb, var(--brand), transparent 80%); }
.brand .title { font-family: "Noto Serif JP", serif; letter-spacing:.04em; }

/* Nav (desktop base) */
.site-nav ul { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; align-items:center; }
.site-nav a { padding: 8px 10px; border-radius: 10px; }
.site-nav a:hover { background: var(--line); }
.btn--compact { padding: 8px 14px; }

/* Hamburger basics */
.nav-toggle { display: none; }
.nav-toggle-btn {
  display: none; width: 44px; height: 38px; cursor: pointer;
  border-radius: 10px; border: 1px solid var(--line);
  align-items: center; justify-content: center; gap: 4px;
  flex-direction: column;
}
.nav-toggle-btn .bar {
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: .2s;
    display:block;
    margin: 1px auto;
}

/* Hero */
.hero {
  display: grid; grid-template-columns: 1fr; align-items: center; gap: 28px;
  padding: 48px 0 28px;
}
.hero-card {
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
}
.hero h1 { font-family: "Noto Serif JP", serif; font-size: clamp(28px, 5vw, 44px); line-height: 1.3; margin: 0 0 10px; }
.hero p.lead { color: var(--sub); margin: 0 0 18px; }
.hero-cta { display:flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.hero-visual { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.hero-visual img { aspect-ratio: 16/10; object-fit: cover; }

@media (min-width: 960px) {
  .hero { grid-template-columns: 1.1fr .9fr; padding: 76px 0 42px; }
}

/* Section */
section { padding: 64px 0; }
.section-hd { margin-bottom: 28px; }
.eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 12px; }
h2 { font-family: "Noto Serif JP", serif; font-size: clamp(22px, 3.8vw, 32px); margin: 8px 0 0; }
.card { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: clip; }
.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Concept */
.concept { display: grid; gap: 20px; }
.concept .ph { border-radius: var(--radius); overflow: hidden; }
.concept .ph img { aspect-ratio: 4/3; object-fit: cover; }
.copy { padding: 20px 22px; }
.copy-inner { padding: 4px; }
.copy p { margin: 0; color: var(--sub); }
@media (min-width: 900px) { .concept { grid-template-columns: 1fr 1fr; } }

/* Menu */
.menu .item { display: grid; grid-template-rows: auto 1fr auto; }
.menu .item img { aspect-ratio: 4/3; object-fit: cover; }
.menu .body { padding: 14px 16px 6px; }
.menu .name { font-weight: 700; }
.menu .desc { color: var(--sub); font-size: 14px; }
.menu .price { padding: 0 16px 16px; font-weight: 700; color: var(--accent); }

/* Reviews */
.reviews .quote { padding: 18px; display: grid; gap: 8px; }
.reviews .stars { letter-spacing: .2em; color: #c8a96b; }
.reviews .by { color: var(--sub); font-size: 13px; }

/* Access */
.access .wrap { display: grid; gap: 18px; }
.map { border: 0; width: 100%; aspect-ratio: 16/10; border-radius: var(--radius); box-shadow: var(--shadow); }
.info { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.info dl { display: grid; grid-template-columns: 110px 1fr; gap: 10px 14px; margin: 0; }
.info dt { color: var(--sub); }
.info dd { margin: 0; }
@media (min-width: 900px) { .access .wrap { grid-template-columns: 1.2fr .8fr; } }

/* CTA & SNS */
.cta { text-align: center; }
.stack { display: inline-flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.socials { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 16px; }
.chip { border:1px solid var(--line); background: var(--bg-alt); padding: 8px 12px; border-radius: 999px; font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 18px; border-radius: 999px; font-weight: 600;
  border: 1px solid var(--brand); color: var(--bg-alt); background: var(--brand);
  box-shadow: var(--shadow);
  transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(0,0,0,.12); }
.btn.btn--ghost { background: transparent; color: var(--brand); }
.btn.btn--ghost:hover { background: color-mix(in srgb, var(--brand) 12%, transparent); }

/* Footer */
footer { margin-top: 40px; padding: 28px 0 60px; border-top: 1px solid var(--line); color: var(--sub); font-size: 14px; }
.ft-grid { display:grid; gap: 18px; }
.ft-nav { display:flex; gap: 14px; flex-wrap: wrap; }
.copyr { opacity: .8; }

/* Animations */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ===== Responsive Nav (hamburger) ===== */
@media (max-width: 960px){
  .nav-toggle-btn { display: inline-flex; }
  /* デフォは隠す（上からスライドイン） */
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    transform: translateY(-120%);
    transition: transform .25s ease;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
    z-index: 1000;
  }
  .site-nav ul { flex-direction: column; gap: 0; align-items: stretch; }
  .site-nav a { padding: 14px 20px; border-radius: 0; }
  /* トグルONで展開 */
  .nav-toggle:checked ~ .nav-toggle-btn .bar:nth-child(1){ transform: translateY(6px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-toggle-btn .bar:nth-child(2){ opacity: 0; }
  .nav-toggle:checked ~ .nav-toggle-btn .bar:nth-child(3){ transform: translateY(-9.5px) rotate(-45deg); }
  .nav-toggle:checked ~ .site-nav { transform: translateY(0); }
}

/* 細かなユーティリティ */
.mt-12 { margin-top: 12px; }
.mt-20 { margin-top: 20px; }
.mt-28 { margin-top: 28px; }