:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --line: #e3e6eb;
  --accent: #c2185b;
  --accent-dark: #9c1248;
  --head: #1f2430;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.8;
}

a { color: var(--accent); }

.site-header {
  background: var(--head);
  color: #fff;
}
.site-header .inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.site-header .logo {
  color: #fff;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 700;
}
.site-header .tagline {
  color: #c9ced8;
  font-size: 0.85rem;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

h1 { font-size: 1.6rem; line-height: 1.4; margin: 0 0 12px; }
h2 {
  font-size: 1.2rem;
  margin: 32px 0 12px;
  padding-left: 10px;
  border-left: 4px solid var(--accent);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.features .card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.features .card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.notice {
  background: #fff8e1;
  border: 1px solid #f3dd9b;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.92rem;
}

table.info { width: 100%; border-collapse: collapse; background: var(--card); }
table.info th, table.info td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
table.info th { width: 30%; background: #f0f2f5; font-weight: 600; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  font-size: 0.85rem;
  color: var(--muted);
}
.site-footer .inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px;
}
.site-footer nav a { margin-right: 16px; color: var(--muted); }
.site-footer .credit { margin-top: 8px; }

/* グローバルナビ */
.global-nav { background: #2b3140; }
.global-nav .inner {
  padding: 0 16px;
  display: flex;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  white-space: nowrap;
}
.global-nav a {
  color: #dfe3ea;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 10px 12px;
  display: inline-block;
}
.global-nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.global-nav a[aria-current="page"] { color: #fff; box-shadow: inset 0 -3px 0 var(--accent); }

/* パンくず・更新日・リード */
.breadcrumb { font-size: 0.82rem; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--muted); }
.updated { font-size: 0.82rem; color: var(--muted); margin: -4px 0 12px; }
.lead {
  font-size: 1.02rem;
  background: var(--card);
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
}

h3 { font-size: 1.05rem; margin: 24px 0 8px; }
article p, article li { overflow-wrap: anywhere; }

/* 目次 */
.toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 20px;
  margin: 20px 0;
}
.toc-title { font-weight: 700; margin: 0 0 4px; }
.toc ol { margin: 0; padding-left: 1.4em; }
.toc a { color: var(--text); }

/* 表 */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; background: var(--card); font-size: 0.93rem; }
table.data th, table.data td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
table.data thead th { background: #f0f2f5; }

/* よくある質問 */
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 8px;
}
.faq-item summary {
  cursor: pointer;
  padding: 12px 16px;
  font-weight: 600;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q. "; color: var(--accent); }
.faq-a { padding: 0 16px 12px; }
.faq-a p { margin: 0 0 8px; }

/* 関連リンク */
.related ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.related li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
}
.related li a { font-weight: 600; display: block; }
.related li span { font-size: 0.85rem; color: var(--muted); }

/* カードのリンク一覧 */
a.card { display: block; text-decoration: none; color: var(--text); }
a.card:hover { border-color: var(--accent); }
a.card .more { color: var(--accent); font-size: 0.88rem; font-weight: 600; margin-top: 6px; display: inline-block; }

/* ツール */
.tool {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
}
.tool label { display: block; font-weight: 600; margin-bottom: 6px; }
.tool .row { margin-bottom: 14px; }
.tool input[type="text"], .tool input[type="number"], .tool textarea {
  width: 100%;
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid #cfd4dc;
  border-radius: 6px;
  font-family: inherit;
}
.tool textarea { min-height: 120px; }
.tool .hint { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }
.tool .grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 10px 18px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn.sub { background: #eceef2; color: var(--text); }
.result {
  margin-top: 16px;
  padding: 14px 16px;
  background: #f7f8fa;
  border-radius: 8px;
  border: 1px dashed #cfd4dc;
}
.result[hidden] { display: none; }
.result .big { font-size: 1.4rem; font-weight: 700; }
.result .verdict { font-weight: 700; color: var(--accent); }
.result table { margin-top: 8px; }
.result .copy { margin-left: 8px; font-size: 0.85rem; padding: 4px 10px; }
.bar { height: 14px; border-radius: 7px; background: #e3e6eb; overflow: hidden; margin: 4px 0 10px; }
.bar > span { display: block; height: 100%; background: var(--accent); }
.bar.alt > span { background: #3d71d4; }

/* データベースのページ */
table.facts th { width: 32%; background: #f0f2f5; }
table.items td.thumb { width: 110px; }
table.items img { display: block; max-width: 100px; height: auto; border-radius: 4px; }
td.num { white-space: nowrap; text-align: right; }
.badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: #eceef2;
  color: var(--muted);
  margin-left: 4px;
}
.badge.mh { background: #e8f0fe; color: #2f5fbc; }
.cta { margin: 16px 0; }
.cta .btn { width: 100%; text-align: center; max-width: 420px; }
.sublinks { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 12px 0; }
.sublinks a {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.9rem;
  text-decoration: none;
}
.note { font-size: 0.85rem; color: var(--muted); }
.tool select { font-size: 1rem; padding: 9px 10px; border: 1px solid #cfd4dc; border-radius: 6px; width: 100%; background: #fff; }
.tool label input[type="checkbox"] { margin-right: 6px; }
.tool .row > label + label { margin-top: 6px; }

/* 年齢確認 */
.age-gate {
  position: fixed;
  inset: 0;
  background: rgba(20, 22, 28, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
}
.age-gate[hidden] { display: none; }
.age-gate .box {
  background: #fff;
  border-radius: 10px;
  max-width: 440px;
  width: 100%;
  padding: 28px 24px;
  text-align: center;
}
.age-gate h2 { border: 0; padding: 0; margin: 0 0 12px; font-size: 1.25rem; }
.age-gate p { margin: 0 0 20px; font-size: 0.92rem; color: var(--muted); }
.age-gate .buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.age-gate button, .age-gate a.no {
  display: inline-block;
  min-width: 150px;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.age-gate button { background: var(--accent); color: #fff; border: 0; }
.age-gate button:hover { background: var(--accent-dark); }
.age-gate a.no { background: #eceef2; color: var(--text); }