/* サイト情報・検索・エラーなど infra グループのページ用 */
.info-page h1 { font-size: 1.6rem; line-height: 1.4; margin: 16px 0 8px; }
.info-page .lead { color: var(--muted); }
.info-page dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 16px 0; }
.info-page dt { font-weight: 700; }
.info-page dd { margin: 0; }
.info-page .todo { background: #fff3c4; color: #5a4300; padding: 0 4px; border-radius: 3px; }
@media (prefers-color-scheme: dark) { .info-page .todo { background: #4d3f10; color: #ffe9a8; } }
.info-page .updated { font-size: .85rem; color: var(--muted); margin-top: 40px; }
@media (max-width: 480px) { .info-page dl { grid-template-columns: 1fr; } .info-page dd { margin-bottom: 8px; } }

.link-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px 16px; }
.link-grid li span { display: block; font-size: .8rem; color: var(--muted); }

/* 検索 */
.search-form { display: flex; flex-wrap: wrap; gap: 12px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 16px; margin: 16px 0 8px; }
.search-form .field { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.search-form .field.wide { flex: 1 1 100%; }
.search-form label { font-size: .85rem; color: var(--muted); }
.search-form input, .search-form select, .search-form button { font: inherit; font-size: 1rem; padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; background: var(--bg); color: var(--fg); max-width: 100%; }
.search-form input[type="number"] { width: 6.5em; }
.search-form .inline { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.search-form .submit { justify-content: flex-end; }
.search-form button { background: var(--accent); color: #fff; border-color: var(--accent); padding: 6px 24px; cursor: pointer; }
.search-note { color: var(--muted); }
.table-scroll { overflow-x: auto; }
.person-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.person-table th, .person-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.person-table th { font-size: .8rem; color: var(--muted); font-weight: 400; white-space: nowrap; }
.person-table td:nth-child(2) { white-space: nowrap; }
.person-table .alpha { display: block; font-size: .78rem; color: var(--muted); }
.pager { display: flex; gap: 16px; }

/* 西暦・元号対照表 */
.era-table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.era-table th, .era-table td { padding: 4px 8px; border-bottom: 1px solid var(--line); text-align: left; }
.era-table th { font-size: .8rem; color: var(--muted); font-weight: 400; }
.era-table tr.era-start td { border-top: 2px solid var(--accent); }
.era-table td.num { text-align: right; }
.era-nav { display: flex; flex-wrap: wrap; gap: 4px 14px; }

/* 本の紹介 */
.book-list { list-style: none; padding: 0; }
.book-list li { border-bottom: 1px solid var(--line); padding: 12px 0; }
.book-list .book-title { font-weight: 700; }
.book-list .book-meta { display: block; font-size: .85rem; color: var(--muted); }
.info-page a.button { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; padding: 8px 20px; border-radius: 4px; }