:root {
  color-scheme: light;
  --ink: #423b37;
  --muted: #6d625b;
  --subtle: #8a7c73;
  --accent: #b07d63;
  --accent-soft: #c99a7e;
  --surface: rgba(255, 255, 255, 0.72);
  --border: rgba(201, 154, 126, 0.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1100px 700px at 85% -5%, rgba(217, 177, 157, 0.28), transparent 60%),
    radial-gradient(900px 650px at -10% 25%, rgba(233, 214, 196, 0.35), transparent 55%),
    linear-gradient(175deg, #fdfbf9 0%, #f8f1ec 45%, #fbf6f2 100%);
  font-family: 'Zen Kaku Gothic New', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: #8f5f49; text-decoration: underline; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(191, 152, 128, 0.18);
  background: rgba(253, 250, 247, 0.82);
  backdrop-filter: blur(16px);
}
.site-header-inner, .container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; }
.brand, .footer-brand { color: var(--ink); font-family: 'Zen Old Mincho', serif; font-weight: 600; letter-spacing: 0.06em; }
.brand { font-size: 20px; }
.site-nav, .footer-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; font-size: 12px; }
.site-nav a { color: var(--muted); }
.narrow { max-width: 820px; }
.pr-disclosure {
  margin: 24px 0 16px;
  padding: 11px 14px;
  border: 1px solid rgba(176, 125, 99, 0.28);
  border-radius: 10px;
  background: rgba(255, 250, 246, 0.9);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.pr-disclosure strong { margin-right: 6px; color: #8f5f49; letter-spacing: 0.08em; }
.breadcrumbs { margin: 22px 0 28px; color: var(--subtle); font-size: 11px; line-height: 1.8; }
.breadcrumbs a { color: var(--subtle); }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 0.22em; }
h1, h2, h3 { font-family: 'Zen Old Mincho', serif; }
h1 { margin: 0 0 20px; font-size: clamp(28px, 5vw, 44px); font-weight: 500; line-height: 1.45; letter-spacing: 0.02em; }
h1 span { color: var(--accent); }
.lead { margin: 0 0 12px; color: var(--muted); font-size: 15px; line-height: 2; }
.update-meta { margin: 0 0 32px; color: var(--subtle); font-size: 11px; line-height: 1.8; }
.toc, .notice-card, .provider-card, .disclaimer {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(150, 110, 85, 0.1);
}
.toc { margin: 0 0 44px; padding: 22px 24px; }
.toc p { margin: 0 0 12px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; }
.toc ol { margin: 0; padding-left: 1.3em; display: grid; gap: 8px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.article-section { margin: 0 0 46px; }
.article-section h2, .section-title { margin: 0 0 18px; color: var(--ink); font-size: clamp(21px, 3.5vw, 28px); font-weight: 600; line-height: 1.5; }
.article-section h2 { padding-bottom: 10px; border-bottom: 1px solid rgba(176, 125, 99, 0.22); }
.article-section h3 { margin: 0 0 8px; font-size: 17px; }
.article-section p, .article-section li { color: var(--muted); font-size: 14px; line-height: 2; }
.article-section p { margin: 0 0 16px; }
.article-section ul { margin: 0 0 16px; padding-left: 1.4em; }
.steps, .check-list { margin: 18px 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.steps li { display: grid; gap: 3px; padding: 16px 18px; border-left: 3px solid var(--accent-soft); border-radius: 0 12px 12px 0; background: rgba(255, 255, 255, 0.5); }
.steps strong { color: var(--ink); font-size: 14px; }
.steps span { color: var(--muted); font-size: 13px; line-height: 1.9; }
.comparison-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.comparison-grid > div { padding: 18px; border: 1px solid rgba(201, 154, 126, 0.2); border-radius: 14px; background: rgba(255, 255, 255, 0.46); }
.comparison-grid p { margin: 0; font-size: 13px; line-height: 1.9; }
.medical-note, .source-note { color: var(--subtle) !important; font-size: 12px !important; line-height: 1.85 !important; }
.provider-card, .notice-card { margin-top: 18px; padding: 22px; }
.provider-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: 0.16em; }
.pill { padding: 4px 10px; border: 1px solid rgba(138, 124, 115, 0.35); border-radius: 999px; color: var(--subtle); font-size: 10px; letter-spacing: 0.04em; }
.provider-card h3, .notice-card h3 { margin-bottom: 9px; color: var(--ink); font-size: 20px; }
.provider-card p, .notice-card p { margin: 0 0 13px; font-size: 13px; line-height: 1.9; }
.provider-location { color: var(--ink) !important; font-weight: 700; }
.provider-note { color: var(--subtle) !important; font-size: 11px !important; }
.button { display: inline-block; padding: 11px 18px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.button-outline { border: 1.5px solid var(--accent); color: #a9765a; background: rgba(255, 255, 255, 0.55); }
.button-outline:hover { background: rgba(176, 125, 99, 0.08); }
.source-note { margin-top: 12px !important; }
.faq { margin: 10px 0; padding: 15px 18px; border: 1px solid rgba(201, 154, 126, 0.2); border-radius: 12px; background: rgba(255, 255, 255, 0.46); }
.faq summary { cursor: pointer; color: var(--ink); font-size: 14px; font-weight: 700; line-height: 1.7; }
.faq p { margin: 12px 0 0; font-size: 13px; line-height: 1.9; }
.disclaimer { margin-bottom: 68px; padding: 20px 22px; }
.disclaimer h2 { margin: 0 0 10px; padding: 0; border: 0; font-size: 18px; }
.disclaimer ul { margin: 0; padding-left: 1.3em; display: grid; gap: 6px; }
.disclaimer li { margin: 0; color: var(--subtle); font-size: 11px; line-height: 1.9; }
.intro-note { margin: 0 0 46px; }
.intro-note h2 { margin: 0 0 10px; font-size: 20px; }
.intro-note p:last-child { margin-bottom: 0; }
.section-title { margin-top: 0; }
.topic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.topic-card { display: flex; min-height: 220px; flex-direction: column; padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); box-shadow: 0 12px 30px rgba(150, 110, 85, 0.1); }
.topic-card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(150, 110, 85, 0.16); }
.topic-card-label { color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: 0.12em; }
.topic-card h2 { margin: 12px 0 10px; color: var(--ink); font-size: 19px; line-height: 1.55; }
.topic-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.read-more { margin-top: auto; padding-top: 18px; color: var(--accent); font-size: 12px; font-weight: 700; }
.hub-section { margin-top: 50px; }
.site-footer { border-top: 1px solid rgba(138, 124, 115, 0.2); background: rgba(251, 246, 242, 0.7); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; padding: 34px 0 20px; }
.footer-brand { margin: 0 0 5px; font-size: 18px; }
.footer-copy, .copyright { margin: 0; color: var(--subtle); font-size: 11px; line-height: 1.8; }
.footer-nav a { color: var(--muted); }
.copyright { padding-bottom: 24px; font-size: 10px; }
@media (max-width: 700px) {
  .site-header-inner, .container { width: min(100% - 28px, 820px); }
  .site-header-inner { align-items: flex-start; }
  .site-nav { justify-content: flex-end; gap: 8px 12px; }
  .brand { font-size: 17px; white-space: nowrap; }
  .comparison-grid, .topic-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(26px, 8vw, 36px); }
  .lead { font-size: 14px; }
  .article-section p, .article-section li { font-size: 13px; }
}

/* region index (hub) — 2026-08-14 47都道府県+駅エリア展開 */
.region-index .region-group { margin-bottom: 8px; }
.region-index h3 { font-size: 1.05rem; margin: 20px 0 8px; border-left: 4px solid #C99A7E; padding-left: 10px; }
.pref-list { list-style: none; padding: 0; margin: 0; }
.pref-list .pref-row { padding: 8px 0; border-bottom: 1px solid #eee2d9; line-height: 1.9; }
.pref-list .pref-row strong { margin-right: 6px; }
.pref-list a { text-decoration: underline; text-underline-offset: 3px; }
.area-list { list-style: none; padding: 2px 0 0 1em; margin: 4px 0 0; font-size: 0.93em; color: #6b5b50; }
.area-list li { padding: 2px 0; }
.nearby-links a { display: inline-block; margin: 4px 12px 4px 0; text-decoration: underline; text-underline-offset: 3px; }

/* cost table (region-agnostic nationwide range) — 2026-08-20 費用目安セクション */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.cost-table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid rgba(201, 154, 126, 0.2); border-radius: 14px; background: rgba(255, 255, 255, 0.46); }
.cost-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.cost-table th, .cost-table td { padding: 13px 16px; text-align: left; line-height: 1.8; }
.cost-table thead th { color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; border-bottom: 1px solid rgba(176, 125, 99, 0.28); }
.cost-table tbody th { width: 40%; color: var(--ink); font-weight: 600; white-space: nowrap; }
.cost-table tbody td { color: var(--muted); }
.cost-table tbody tr + tr th, .cost-table tbody tr + tr td { border-top: 1px solid rgba(201, 154, 126, 0.16); }
@media (max-width: 700px) {
  .cost-table tbody th { white-space: normal; }
}

/* 2026-09-11(L39) 受診前チェック表(3列)と出典一覧。
   .cost-table の既定(1列目 width:40% / nowrap)は2列表向けなので、3列表では上書きする。
   表は .cost-table-wrap の overflow-x: auto で横スクロールするため、body は横に伸びない。 */
.check-table { table-layout: fixed; }
.check-table tbody th { width: 22%; white-space: normal; }
.check-table thead th:nth-child(2), .check-table tbody td:first-of-type { width: 56%; }
.check-table thead th:nth-child(3), .check-table tbody td:last-of-type { width: 22%; font-size: 12px; color: var(--subtle); }
@media (max-width: 700px) {
  .check-table { table-layout: auto; min-width: 560px; }
}
.source-list { margin: 18px 0 0; padding: 0 0 0 1.2em; display: grid; gap: 10px; font-size: 13px; line-height: 1.85; }
.source-list li { color: var(--muted); }
.source-list a { text-decoration: underline; text-underline-offset: 3px; }