:root {
  --ink: #221b17;
  --ink-soft: #5b5248;
  --paper: #f6efe4;
  --paper-2: #efe5d5;
  --red: #9e2b22;
  --red-deep: #6f1c16;
  --gold: #c9a45c;
  --night: #1b1513;
  --night-2: #2a211d;
  --line: rgba(34, 27, 23, .14);
  --radius: 10px;
  --serif: "Noto Serif JP", "Noto Serif SC", serif;
  --sans: "Noto Sans JP", system-ui, sans-serif;
}
html[lang="zh-CN"] { --serif: "Noto Serif SC", "Noto Serif JP", serif; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.8; -webkit-text-size-adjust: 100%; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.45; margin: 0; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
.wrap.narrow { width: min(720px, 100% - 32px); }

/* 写真が無いときも崩れないよう、背景のグラデーションを下に敷く */
.photo {
  background:
    var(--img, none) center / cover no-repeat,
    radial-gradient(circle at 30% 35%, rgba(201, 164, 92, .35), transparent 55%),
    linear-gradient(135deg, var(--red-deep), var(--night-2));
  border-radius: var(--radius);
  min-height: 220px;
}

/* 暗めの写真を少し明るく見せる */
.photo-bright { filter: brightness(1.3) saturate(1.05); }

.sample-bar { background: var(--night); color: var(--gold); font-size: 12px; text-align: center; padding: 6px 16px; letter-spacing: .04em; }

/* header */
.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px; padding: 10px 24px; background: rgba(246, 239, 228, .94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--red); margin-right: auto; }
.logo { width: 40px; height: 40px; }
.brand-text { font-family: var(--serif); font-weight: 700; font-size: 22px; color: var(--ink); letter-spacing: .08em; }
.brand-sub { font-size: 13px; margin-right: 6px; color: var(--red); }
.site-nav { display: flex; gap: 20px; font-size: 14px; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { color: var(--red); }
.nav-reserve { color: var(--red); font-weight: 500; }
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang-switch button { border: 0; background: transparent; padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; color: var(--ink-soft); }
.lang-switch button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 12px 24px; border-radius: 999px; font: inherit; font-weight: 500; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: background .2s, color .2s; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-deep); }
.btn-ghost { background: transparent; border-color: currentColor; }
.btn-outline { background: #fff; border-color: var(--line); color: var(--ink); }
.btn-block { width: 100%; }

/* hero */
.hero { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; min-height: calc(100vh - 100px); background: var(--night); color: var(--paper); }
section.hero { padding: 0; }
.hero-photo { border-radius: 0; min-height: 360px; }
.hero-body { display: flex; flex-direction: column; justify-content: center; padding: 56px 48px; }
.hero-kicker { color: var(--gold); letter-spacing: .12em; font-size: 14px; margin: 0 0 16px; }
.hero-title { font-size: clamp(30px, 4.2vw, 50px); letter-spacing: .04em; }
.hero-lead { color: #d9cfc1; margin: 20px 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .btn-ghost { color: var(--paper); }
.hero-tags { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.hero-tags li { font-size: 12px; border: 1px solid rgba(201, 164, 92, .5); color: var(--gold); padding: 4px 12px; border-radius: 999px; }

/* sections */
section { padding: 88px 0; }
.sec-kicker { font-size: 12px; letter-spacing: .3em; color: var(--red); margin: 0 0 8px; font-weight: 500; }
.sec-title { font-size: clamp(24px, 3vw, 34px); margin-bottom: 24px; }
.sec-title.small { font-size: 18px; margin: 0; }
.sec-note { color: var(--ink-soft); margin-top: -8px; }

.news { padding: 28px 0; background: var(--paper-2); }
.news .wrap { display: flex; gap: 32px; align-items: flex-start; }
.news-list { list-style: none; margin: 0; padding: 0; flex: 1; }
.news-list li { display: flex; gap: 16px; padding: 4px 0; font-size: 14px; }
.news-list time { color: var(--red); font-variant-numeric: tabular-nums; flex-shrink: 0; }

.story-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.story-photo { min-height: 460px; }
.story-text p { margin: 0 0 1em; }
.story-sign { text-align: right; font-family: var(--serif); color: var(--red); }
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 64px; }
.point { background: #fff; border-radius: var(--radius); padding: 28px; border-top: 3px solid var(--red); }
.point h3 { font-size: 18px; margin-bottom: 8px; }
.point p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.menu { background: var(--night); color: var(--paper); }
.menu .sec-note { color: #bfb3a3; }
.menu .sec-kicker { color: var(--gold); }
.menu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 48px; align-items: start; }
.menu-grid.reverse .menu-photo { order: 2; }
.menu-photo { min-height: 340px; }
.menu-block h3 { font-size: 20px; color: var(--gold); margin: 0 0 12px; }
.menu-block h3:not(:first-child) { margin-top: 32px; }
.menu-list { margin: 0; }
.menu-list > div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px dashed rgba(246, 239, 228, .2); }
.menu-list dt small { display: block; font-size: 12px; color: #bfb3a3; }
.menu-list dd { margin: 0; font-variant-numeric: tabular-nums; white-space: nowrap; }

.interior-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.interior-grid figure { margin: 0; }
.interior-grid .photo { min-height: 300px; }
.interior-grid figcaption { margin-top: 10px; font-size: 14px; color: var(--ink-soft); }

.voices { background: var(--paper-2); }
.sample-tag { display: inline-block; font-size: 12px; background: var(--ink); color: var(--paper); padding: 2px 10px; border-radius: 4px; margin: -12px 0 24px; }
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.voice { margin: 0; background: #fff; padding: 24px; border-radius: var(--radius); font-size: 15px; }
.voice p { margin: 0 0 12px; }
.voice footer { font-size: 13px; color: var(--ink-soft); }
.stars { color: var(--gold); letter-spacing: .1em; }
.review-links { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.faq details { background: #fff; border-radius: var(--radius); margin-bottom: 10px; border: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 16px 48px 16px 20px; font-weight: 500; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--red); font-size: 20px; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 20px 18px; color: var(--ink-soft); }

.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.info { margin: 0; }
.info > div { display: grid; grid-template-columns: 6.5em 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.info dt { color: var(--red); font-weight: 500; }
.info dd { margin: 0; }
.pay-list { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.pay-list li { font-size: 12px; border: 1px solid var(--line); background: #fff; padding: 2px 10px; border-radius: 4px; }
.map { margin: 0; }
.map svg { width: 100%; height: auto; border-radius: var(--radius); display: block; }
.map figcaption { font-size: 12px; color: var(--ink-soft); margin-top: 8px; }

/* reservation */
.reserve { background: var(--night); color: var(--paper); }
.reserve .sec-kicker { color: var(--gold); }
.demo-note { background: rgba(201, 164, 92, .15); border: 1px solid rgba(201, 164, 92, .5); color: var(--gold); padding: 10px 16px; border-radius: var(--radius); font-size: 14px; }
.steps { list-style: none; display: flex; padding: 0; margin: 28px 0; counter-reset: s; }
.steps li { flex: 1; text-align: center; font-size: 13px; color: #8f8477; position: relative; counter-increment: s; }
.steps li::before { content: counter(s); display: block; width: 28px; height: 28px; line-height: 28px; margin: 0 auto 6px; border-radius: 50%; border: 1px solid #5b5248; }
.steps li.is-current, .steps li.is-done { color: var(--paper); }
.steps li.is-current::before { background: var(--red); border-color: var(--red); }
.steps li.is-done::before { background: var(--gold); border-color: var(--gold); color: var(--night); }
.res-panel { background: var(--paper); color: var(--ink); border-radius: 14px; padding: 32px; }
.field { margin: 0 0 20px; border: 0; padding: 0; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label, .field legend { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; padding: 0; }
.field input[type="text"], .field input[type="date"], .field select, .field textarea { width: 100%; font: inherit; font-size: 16px; padding: 10px 12px; border: 1px solid #cfc3b2; border-radius: 8px; background: #fff; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--red); outline-offset: 1px; }
.field .is-invalid { border-color: var(--red); background: #fff6f5; }
.field-hint { font-size: 13px; opacity: .8; margin: 4px 0 0; }
.err { color: var(--red); font-size: 13px; margin: 4px 0 0; min-height: 0; }
.err:empty { display: none; }
.soup-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.soup { position: relative; cursor: pointer; }
.soup input { position: absolute; opacity: 0; }
.soup span { display: block; text-align: center; padding: 12px 8px; border: 1px solid #cfc3b2; border-radius: 8px; background: #fff; }
.soup b { display: block; font-family: var(--serif); }
.soup small { font-size: 12px; color: var(--ink-soft); }
.soup input:checked + span { border-color: var(--red); background: #fbecea; box-shadow: inset 0 0 0 1px var(--red); }
.soup input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }
.confirm-list { margin: 0 0 24px; }
.confirm-list > div { display: grid; grid-template-columns: 8em 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.confirm-list dt { color: var(--ink-soft); font-size: 14px; }
.confirm-list dd { margin: 0; word-break: break-all; }
.confirm-actions { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
.res-done { text-align: center; }
.res-done h3 { margin-bottom: 12px; }
.res-done p { color: var(--ink-soft); }
.done-mark { width: 56px; height: 56px; line-height: 56px; margin: 0 auto 16px; border-radius: 50%; background: var(--red); color: #fff !important; font-size: 28px; }
.res-done .btn-ghost { color: var(--ink); }
.reserve .btn-ghost#btn-back { color: var(--ink); }

/* footer */
.site-footer { background: #120e0c; color: #a99d8e; text-align: center; padding: 40px 16px 96px; font-size: 13px; }
.footer-brand { font-family: var(--serif); color: var(--paper); font-size: 18px; margin: 0 0 8px; }
.footer-sample { color: var(--gold); margin: 0 0 4px; }
.footer-credit { margin: 0; }

.sticky-reserve { display: none; }
.toast { position: fixed; left: 50%; bottom: 88px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 8px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 50; max-width: calc(100% - 32px); text-align: center; }
.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* スマホ */
@media (max-width: 820px) {
  .site-header { padding: 8px 16px; gap: 10px; }
  .site-nav { display: none; }
  .logo { width: 34px; height: 34px; }
  .brand-text { font-size: 19px; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-photo { min-height: 240px; }
  .hero-body { padding: 36px 20px 44px; }
  section { padding: 64px 0; }
  .news .wrap { flex-direction: column; gap: 8px; }
  .news-list li { flex-direction: column; gap: 0; padding: 6px 0; }
  .story-grid, .menu-grid, .interior-grid, .access-grid { grid-template-columns: 1fr; gap: 28px; }
  .story-photo { min-height: 260px; }
  .menu-grid.reverse .menu-photo { order: 0; }
  .menu-photo { min-height: 220px; }
  .points, .voice-grid { grid-template-columns: 1fr; }
  .points { margin-top: 40px; }
  .res-panel { padding: 22px 18px; }
  .field-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .confirm-list > div { grid-template-columns: 1fr; gap: 2px; }
  .confirm-actions .btn { flex: 1; }
  .sticky-reserve { display: block; position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 30; background: var(--red); color: #fff; text-align: center; text-decoration: none; padding: 14px; border-radius: 999px; font-weight: 500; box-shadow: 0 6px 20px rgba(0, 0, 0, .3); transition: opacity .25s, transform .25s; }
  .sticky-reserve.is-hidden { opacity: 0; transform: translateY(16px); pointer-events: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
