/* オトスミカ 共通スタイル */
:root {
  --brand: #edcd00;
  --brand-soft: #fff7c2;
  --brand-deep: #8a7400;
  --ink: #1d1f22;
  --ink-2: #4a4f55;
  --ink-3: #7a8087;
  --line: #e4e1d8;
  --bg: #ffffff;
  --bg-warm: #f8f6f0;
  --bg-dark: #18191b;
  --ok: #1f7a4d;
  --danger: #b3261e;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(24, 25, 27, 0.08);
  --container: 1160px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
  letter-spacing: 0.02em;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.4; margin: 0 0 0.6em; }
p { margin: 0 0 1em; }
button, input, select, textarea { font: inherit; color: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 88px 0; }
.section--warm { background: var(--bg-warm); }
.section--dark { background: var(--bg-dark); color: #f3f3f3; }
.section__head { text-align: center; margin-bottom: 48px; }
.section__eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.24em;
  color: var(--brand-deep); text-transform: uppercase; margin-bottom: 8px;
}
.section--dark .section__eyebrow { color: var(--brand); }
.section__title { font-family: var(--font-serif); font-size: clamp(24px, 3.2vw, 34px); font-weight: 600; }
.section__lead { color: var(--ink-2); max-width: 720px; margin: 0 auto; }
.section--dark .section__lead { color: #c9cbce; }

/* デモ表示 */
.demo-bar {
  background: var(--ink); color: #fff; font-size: 12px; text-align: center; padding: 6px 16px; line-height: 1.6;
}
.demo-bar strong { color: var(--brand); font-weight: 700; margin-right: 6px; }

/* ヘッダー */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__mark { width: 34px; height: 34px; flex: none; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__name { font-family: var(--font-serif); font-weight: 700; font-size: 21px; letter-spacing: 0.08em; }
.logo__tag { font-size: 10.5px; color: var(--ink-3); letter-spacing: 0.06em; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 999px; }
.nav a:hover { background: var(--bg-warm); }
.nav a[aria-current="page"] { color: var(--brand-deep); }
.nav .btn { margin-left: 6px; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .2s, opacity .2s; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 20px;
    transform: translateY(-120%); visibility: hidden; transition: transform .25s ease, visibility .25s; box-shadow: var(--shadow);
  }
  .nav.is-open { transform: none; visibility: visible; }
  .nav a { padding: 14px 8px; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin: 14px 0 0; border-bottom: 0; text-align: center; border-radius: 999px; }
  .site-header.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-header.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ボタン */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1.5px solid transparent; border-radius: 999px; padding: 12px 26px;
  font-weight: 700; font-size: 15px; text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s;
  line-height: 1.4;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--primary { background: var(--brand); color: var(--ink); }
.btn--primary:hover { background: #f5d81a; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--ghost { background: transparent; border-color: currentColor; }
.btn--sm { padding: 8px 18px; font-size: 13.5px; }
.btn--lg { padding: 16px 34px; font-size: 16.5px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; box-shadow: none; }

/* ヒーロー */
.hero { position: relative; min-height: min(86vh, 760px); display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background: center/cover no-repeat; transform: scale(1.02); }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,10,12,.15) 0%, rgba(10,10,12,.35) 45%, rgba(10,10,12,.82) 100%); }
.hero__inner { position: relative; padding-bottom: 64px; padding-top: 120px; width: 100%; }
.hero__badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(237, 205, 0, .95); color: var(--ink); font-weight: 700; font-size: 13px; padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; }
.hero__title { font-family: var(--font-serif); font-size: clamp(30px, 5.4vw, 58px); font-weight: 600; line-height: 1.35; letter-spacing: .06em; margin-bottom: 18px; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.hero__lead { font-size: clamp(14.5px, 1.6vw, 17px); max-width: 640px; color: #ececec; margin-bottom: 28px; }
.hero__stats { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 32px; font-size: 13px; color: #d8d8d8; }
.hero__stats b { display: block; font-size: 26px; color: #fff; font-weight: 700; letter-spacing: .02em; }

/* クイック検索 */
.quick-search {
  background: #fff; color: var(--ink); border-radius: var(--radius); padding: 18px; box-shadow: 0 20px 60px rgba(0,0,0,.25);
  display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; gap: 12px; align-items: end; max-width: 920px;
}
.quick-search label { font-size: 12px; font-weight: 700; color: var(--ink-3); display: block; margin-bottom: 4px; }
@media (max-width: 760px) { .quick-search { grid-template-columns: 1fr 1fr; } .quick-search .btn { grid-column: 1 / -1; } .quick-search > div:first-child { grid-column: 1 / -1; } }

/* フォーム部品 */
.input, .select, .textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px; background: #fff; font-size: 15.5px;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--brand-deep); box-shadow: 0 0 0 3px rgba(237, 205, 0, .35); }
.textarea { min-height: 140px; resize: vertical; }
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border: 1.5px solid var(--line); border-radius: 999px;
  font-size: 14px; cursor: pointer; background: #fff; transition: all .15s; user-select: none;
}
.chip input:checked + span { background: var(--brand-soft); border-color: var(--brand); font-weight: 700; }
.chip input:focus-visible + span { box-shadow: 0 0 0 3px rgba(237, 205, 0, .45); }

.form { display: grid; gap: 22px; }
.form__row { display: grid; gap: 8px; }
.form__row--2 { grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form__row--2 { grid-template-columns: 1fr; } }
.form__label { font-weight: 700; font-size: 14.5px; display: flex; align-items: center; gap: 8px; }
.req, .opt { font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: 4px; }
.req { background: var(--danger); color: #fff; }
.opt { background: var(--bg-warm); color: var(--ink-3); }
.form__hint { font-size: 13px; color: var(--ink-3); }
.form__error { color: var(--danger); font-size: 13px; font-weight: 500; }
.form__card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 4vw, 44px); box-shadow: var(--shadow); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.check input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--ink); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { border-radius: 12px; padding: 16px 18px; font-size: 14px; }
.notice--info { background: var(--brand-soft); }
.notice--ok { background: #e7f5ee; color: var(--ok); }
.notice--error { background: #fdecea; color: var(--danger); }

/* カード（物件） */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 24px; }
.card {
  background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); text-decoration: none;
  display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card__img { aspect-ratio: 4 / 3; background: var(--bg-warm) center/cover no-repeat; position: relative; }
.card__badge { position: absolute; top: 12px; left: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: #fff; color: var(--ink); line-height: 1.6; }
.badge--vacant { background: var(--brand); }
.badge--wait { background: rgba(255,255,255,.92); color: var(--ink-2); }
.badge--dark { background: var(--ink); color: #fff; }
.card__body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card__name { font-weight: 700; font-size: 16.5px; line-height: 1.5; }
.card__meta { font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.card__rent { margin-top: auto; padding-top: 8px; font-size: 13px; color: var(--ink-2); }
.card__rent b { font-size: 21px; color: var(--ink); margin-right: 2px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 11.5px; padding: 2px 9px; border-radius: 6px; background: var(--bg-warm); color: var(--ink-2); }
.tag--yes { background: #fff4b3; color: #5a4c00; }

/* こんな方に */
.persona-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
@media (max-width: 1000px) { .persona-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .persona-grid { gap: 10px; } .persona { padding: 16px 14px; } .persona p { font-size: 12.5px; } }
.persona {
  background: #fff; border-radius: var(--radius); padding: 24px 20px; border: 1px solid var(--line); text-decoration: none; display: block;
  transition: border-color .2s, transform .2s;
}
.persona:hover { border-color: var(--brand); transform: translateY(-2px); }
.persona__icon { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; margin-bottom: 14px; }
.persona__icon svg { width: 24px; height: 24px; }
.persona h3 { font-size: 16px; margin-bottom: 6px; }
.persona p { font-size: 13.5px; color: var(--ink-2); margin: 0; line-height: 1.7; }

/* 防音性能 */
.perf { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .perf { grid-template-columns: 1fr; gap: 32px; } }
.perf__big { font-size: clamp(64px, 10vw, 120px); font-weight: 900; line-height: 1; color: var(--brand); letter-spacing: -.02em; }
.perf__big small { font-size: .35em; margin-left: 6px; color: #fff; font-weight: 700; }
.meter { margin-top: 28px; display: grid; gap: 14px; }
.meter__row { display: grid; grid-template-columns: 130px 1fr 64px; gap: 12px; align-items: center; font-size: 13.5px; }
.meter__bar { height: 12px; border-radius: 999px; background: rgba(255,255,255,.12); overflow: hidden; }
.meter__bar span { display: block; height: 100%; border-radius: inherit; background: #8d9196; }
.meter__row--hl .meter__bar span { background: var(--brand); }
.meter__row b { text-align: right; }
.perf__figs { display: grid; grid-template-columns: 1.3fr 1fr; gap: 12px; background: #fff; border-radius: var(--radius); padding: 14px; }
.perf__note { font-size: 12px; color: #9a9ea3; margin-top: 16px; }

/* 特長 */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1000px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .features { grid-template-columns: 1fr; } }
.feature { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.feature img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.feature__body { padding: 16px 18px 20px; }
.feature h3 { font-size: 16px; margin-bottom: 6px; }
.feature p { font-size: 13.5px; color: var(--ink-2); margin: 0; }

/* 分割レイアウト */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--rev > :first-child { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 28px; } .split--rev > :first-child { order: 0; } }
.split__img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: center/cover; }

.steps { counter-reset: step; display: grid; gap: 14px; margin: 24px 0 28px; padding: 0; list-style: none; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start; }
.steps li::before { content: counter(step); width: 36px; height: 36px; border-radius: 50%; background: var(--brand); display: grid; place-items: center; font-weight: 800; }
.steps b { display: block; }
.steps span { font-size: 14px; color: var(--ink-2); }

/* 入居者の声 */
.voices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .voices { grid-template-columns: 1fr; } }
.voice { background: #fff; border-radius: var(--radius); padding: 28px; border: 1px solid var(--line); position: relative; display: flex; flex-direction: column; }
.voice::before { content: "“"; font-family: var(--font-serif); font-size: 72px; line-height: 1; color: var(--brand); position: absolute; top: 10px; left: 20px; }
.voice__text { margin-top: 32px; font-size: 15px; }
.voice__who { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.voice__sample { font-size: 11px; background: var(--bg-warm); padding: 1px 8px; border-radius: 4px; color: var(--ink-3); }

/* CTA */
.cta-band { background: linear-gradient(120deg, #f6d900 0%, var(--brand) 55%, #e4c000 100%); padding: 64px 0; }
.cta-band__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
@media (max-width: 900px) { .cta-band__inner { grid-template-columns: 1fr; } }
.cta-band h2 { font-family: var(--font-serif); font-size: clamp(22px, 3vw, 30px); }
.cta-band ul { margin: 0; padding-left: 1.2em; }
.cta-band__actions { display: grid; gap: 12px; }

/* フッター */
.site-footer { background: var(--bg-dark); color: #c9cbce; padding: 64px 0 28px; font-size: 14px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--brand); }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
@media (max-width: 800px) { .site-footer__grid { grid-template-columns: 1fr; gap: 28px; } }
.site-footer .logo__name { color: #fff; }
.site-footer h4 { color: #fff; font-size: 14px; letter-spacing: .1em; margin-bottom: 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer__company { font-size: 12.5px; line-height: 1.9; margin-top: 16px; }
.site-footer__bottom { border-top: 1px solid #2c2e31; margin-top: 40px; padding-top: 20px; font-size: 12px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: #8d9196; }

/* ページ見出し */
.page-head { background: var(--bg-warm); padding: 48px 0 40px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-family: var(--font-serif); font-size: clamp(26px, 3.6vw, 36px); font-weight: 600; margin-bottom: 8px; }
.page-head p { color: var(--ink-2); margin: 0; }
.breadcrumb { font-size: 12.5px; color: var(--ink-3); margin-bottom: 12px; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* 検索ページ */
.search-layout { display: grid; grid-template-columns: 290px 1fr; gap: 32px; align-items: start; padding: 32px 0 80px; }
@media (max-width: 960px) { .search-layout { grid-template-columns: 1fr; } }
.filters { position: sticky; top: 88px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 20px; max-height: calc(100vh - 110px); overflow: auto; }
.filters h3 { font-size: 14px; margin-bottom: 8px; }
.filters .chip span { font-size: 13px; padding: 6px 12px; }
@media (max-width: 960px) {
  .filters { position: fixed; inset: auto 0 0 0; top: auto; max-height: 82vh; border-radius: 18px 18px 0 0; z-index: 60; transform: translateY(105%); transition: transform .25s; box-shadow: 0 -10px 40px rgba(0,0,0,.2); }
  .filters { visibility: hidden; }
  .filters.is-open { transform: none; visibility: visible; }
}
.filters__close, .filter-open { display: none; }
@media (max-width: 960px) { .filters__close, .filter-open { display: inline-flex; } }
.city-list { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 8px; font-size: 13.5px; }
.city-list label { display: flex; gap: 6px; align-items: center; cursor: pointer; }
.city-list small { color: var(--ink-3); }
.results-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.results-bar__count { font-size: 15px; }
.results-bar__count b { font-size: 24px; margin: 0 4px; }
.view-toggle { display: inline-flex; border: 1.5px solid var(--line); border-radius: 999px; overflow: hidden; }
.view-toggle button { border: 0; background: #fff; padding: 7px 16px; font-size: 13.5px; cursor: pointer; }
.view-toggle button[aria-pressed="true"] { background: var(--ink); color: #fff; }
#map { height: 640px; border-radius: var(--radius); border: 1px solid var(--line); z-index: 1; }
@media (max-width: 640px) { #map { height: 480px; } }
.map-pop { font-family: var(--font); width: 220px; }
.map-pop img { border-radius: 8px; aspect-ratio: 4/3; object-fit: cover; margin-bottom: 6px; }
.map-pop b { display: block; font-size: 14px; }
.empty { text-align: center; padding: 64px 20px; color: var(--ink-2); background: var(--bg-warm); border-radius: var(--radius); }

/* 物件詳細 */
.gallery { display: grid; grid-template-columns: 2fr 1fr; gap: 10px; border-radius: var(--radius); overflow: hidden; }
.gallery__main { aspect-ratio: 4 / 3; background: var(--bg-warm) center/cover; cursor: zoom-in; border: 0; padding: 0; }
.gallery__thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-content: start; }
.gallery__thumbs button { aspect-ratio: 1; background: var(--bg-warm) center/cover; border: 0; padding: 0; cursor: pointer; position: relative; }
.gallery__thumbs button.more::after { content: attr(data-more); position: absolute; inset: 0; background: rgba(0,0,0,.5); color: #fff; display: grid; place-items: center; font-weight: 700; }
@media (max-width: 760px) { .gallery { grid-template-columns: 1fr; } .gallery__thumbs { grid-template-columns: repeat(4, 1fr); } }
.detail-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; padding: 32px 0 80px; }
@media (max-width: 960px) { .detail-layout { grid-template-columns: 1fr; } }
.detail-aside { position: sticky; top: 92px; display: grid; gap: 16px; }
.aside-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; box-shadow: var(--shadow); }
.aside-card h3 { font-size: 16px; }
.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec th, .spec td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { width: 32%; color: var(--ink-2); font-weight: 500; background: var(--bg-warm); }
.usage-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.usage { border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 14px; display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.usage b { font-size: 12px; padding: 2px 8px; border-radius: 6px; white-space: nowrap; }
.usage--yes { border-color: var(--brand); background: #fffbe0; }
.usage--yes b { background: var(--brand); }
.usage--ask b { background: var(--bg-warm); color: var(--ink-2); }
.usage--no { color: var(--ink-3); }
.usage--no b { background: #eee; }
.rooms { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.rooms th { font-size: 12.5px; color: var(--ink-3); font-weight: 500; text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--ink); }
.rooms td { padding: 14px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.rooms td.rent b { font-size: 18px; }
.rooms img { width: 72px; height: 54px; object-fit: cover; border-radius: 6px; }
@media (max-width: 640px) {
  .rooms thead { display: none; }
  .rooms tr { display: grid; grid-template-columns: 72px 1fr; gap: 4px 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .rooms td { padding: 0; border: 0; }
  .rooms td:first-child { grid-row: span 4; }
}
.detail-block { margin-top: 48px; }
.detail-block > h2 { font-size: 21px; padding-bottom: 10px; border-bottom: 2px solid var(--ink); margin-bottom: 20px; }
.lightbox { position: fixed; inset: 0; background: rgba(10,10,12,.92); z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.lightbox.is-open { display: flex; }
.lightbox img { max-height: 86vh; max-width: 100%; border-radius: 8px; }
.lightbox button { position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 0; width: 48px; height: 48px; border-radius: 50%; font-size: 22px; cursor: pointer; }
.lightbox .lb-close { top: 16px; right: 16px; }
.lightbox .lb-prev { left: 16px; top: 50%; }
.lightbox .lb-next { right: 16px; top: 50%; }
.mini-map { height: 320px; border-radius: var(--radius); border: 1px solid var(--line); }

/* 汎用 */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.skeleton { background: linear-gradient(90deg, #f1efe9 25%, #f8f6f0 50%, #f1efe9 75%); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: var(--radius); min-height: 300px; }
@keyframes sk { to { background-position: -200% 0; } }
.prose h2 { font-family: var(--font-serif); font-size: 24px; margin-top: 1.6em; }
.prose h3 { font-size: 18px; margin-top: 1.4em; }
.code-box { font-family: ui-monospace, Menlo, monospace; font-size: 22px; font-weight: 800; letter-spacing: .12em; background: #fff; border: 2px dashed var(--brand-deep); border-radius: 12px; padding: 12px 16px; text-align: center; margin: 12px 0; }