/* ST Link 配色A（2026-11-11 社長決定） */
:root {
  --navy: #0F1E3D;
  --primary: #3768F3;
  --light: #EEF4FF;
  --gray: #F5F7FA;
  --text: #1A2233;
  --sub: #5B6475;
  --line: #E3E8F0;
  --white: #fff;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: "Inter", "Noto Sans JP", "Hiragino Sans", "Noto Sans CJK JP", sans-serif; color: var(--text); background: var(--gray); line-height: 1.8; font-size: 16px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.4; color: var(--navy); }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 14px; border: 1px solid transparent; cursor: pointer; font-family: inherit; line-height: 1.4; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-white { background: #fff; color: var(--navy); }
.btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-line { border-color: var(--line); background: #fff; color: var(--navy); margin-top: 12px; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

.preview-bar { background: #FFF4D6; color: #6B4E00; text-align: center; font-size: 13px; padding: 6px 12px; }

/* ヘッダー */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand img { height: 40px; width: auto; display: block; }
.gnav { display: flex; align-items: center; gap: 28px; font-size: 15px; color: var(--sub); }
.gnav a:hover, .gnav a.active { color: var(--navy); }
.gnav a.active { font-weight: 600; }
.nav-cta { color: #fff !important; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px 0; }

/* トップ */
.hero { position: relative; overflow: hidden; background: #fff; padding: 96px 0 160px; min-height: 520px; }
.hero-photo { position: absolute; inset: 0; background: #fff url("/assets/hero.jpg") right center / cover no-repeat; }
.hero-photo::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.85) 32%, rgba(255,255,255,0) 58%), linear-gradient(0deg, var(--gray) 0%, rgba(245,247,250,0) 22%); }
.hero-photo span { position: relative; }
.hero-text { position: relative; }
.hero h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 800; margin: 0; letter-spacing: .02em; }
.hero p { color: var(--sub); font-size: 17px; margin: 20px 0 0; max-width: 560px; }
.hero-links { display: flex; gap: 28px; margin-top: 28px; font-size: 15px; flex-wrap: wrap; }
.hero-links a::after { content: " ›"; color: var(--primary); }
.entry-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: -72px; position: relative; }
.entry-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px; box-shadow: 0 8px 24px rgba(15,30,61,.06); display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.entry-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.entry-top { display: flex; justify-content: space-between; align-items: flex-start; }
.icon { width: 48px; height: 48px; border-radius: 12px; background: var(--light); display: flex; align-items: center; justify-content: center; }
.icon svg { width: 24px; height: 24px; fill: none; stroke: var(--primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.entry-card .en, .page-head .en { font-size: 11px; letter-spacing: .3em; color: #8B95A7; }
.entry-card h2 { font-size: 22px; margin: 24px 0 0; }
.entry-card p { color: var(--sub); font-size: 14px; margin: 10px 0 0; flex: 1; }
.entry-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; }
.open { color: var(--primary); font-weight: 600; font-size: 14px; }
.badge-new { background: var(--light); color: var(--primary); font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.center-link { text-align: center; color: var(--sub); margin: 40px 0 72px; font-size: 14px; }

/* 一覧ページ */
.crumbs { width: min(1160px, 100% - 32px); margin: 20px auto 0; font-size: 13px; color: var(--sub); }
.crumbs a { color: var(--sub); }
.crumbs a:hover { color: var(--navy); }
.page-head { padding: 24px 0 40px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.page-head .en { color: var(--primary); font-weight: 600; margin: 0; }
.page-head h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; margin: 6px 0 12px; }
.lead-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; }
.lead { color: var(--sub); margin: 0; max-width: 760px; }
.count { color: var(--sub); white-space: nowrap; margin: 0; font-size: 14px; }
.count b { color: var(--navy); font-size: 20px; }
.filter-box { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 24px; display: grid; gap: 14px; }
.chip-row { display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: start; }
.chip-label { font-size: 13px; color: var(--sub); padding-top: 7px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 14px; font-size: 14px; color: var(--text); cursor: pointer; font-family: inherit; }
.chip:hover { border-color: var(--primary); }
.chip.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.search { width: 100%; border: 1px solid var(--line); background: var(--gray); border-radius: 12px; padding: 12px 16px; font-size: 15px; font-family: inherit; color: var(--text); }
.hint { font-size: 12px; color: var(--sub); margin: -4px 0 0; }
.sel-grid { grid-template-columns: repeat(5, 1fr); }
.filter-toggle { display: none; }
.article-figure { margin: 24px 0 8px; }
.article-figure img { width: 100%; height: auto; display: block; border-radius: 14px; background: #27355A; }
.article-figure figcaption { font-size: 13px; color: var(--sub); margin-top: 8px; line-height: 1.6; }
.article-note { margin-top: 40px; background: var(--gray); border-radius: 12px; padding: 16px 20px; font-size: 14px; color: var(--sub); line-height: 1.8; }
.article-note p { margin: 0; }
.article-note p + p { margin-top: 6px; }
.sel-grid .search { grid-column: 1 / -1; }
.sel { display: grid; gap: 4px; font-size: 13px; color: var(--sub); }
.sel select { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 15px; background: #fff; color: var(--text); font-family: inherit; }
.result-count { color: var(--sub); font-size: 14px; margin: 20px 0 8px; }
.empty { background: #fff; border: 1px dashed var(--line); border-radius: 20px; padding: 40px 24px; text-align: center; color: var(--sub); margin: 20px 0; }
.empty-title { color: var(--navy); font-weight: 700; font-size: 18px; margin: 0 0 6px; }
.empty .btn-navy { margin-top: 12px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card, .job-card, .event-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; transition: border-color .2s; display: block; }
.article-card:hover, .job-card:hover, .event-card:hover { border-color: var(--primary); }
.article-thumb.has-img { aspect-ratio: 16 / 9; padding: 0; background: #27355A; overflow: hidden; }
.article-thumb.has-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.article-thumb { aspect-ratio: 16 / 7; background: linear-gradient(135deg, var(--light), #DCE7FB); display: flex; align-items: flex-end; padding: 14px 18px; color: var(--primary); font-weight: 700; font-size: 13px; }
.article-body { padding: 20px 22px 22px; }
.article-card h2 { font-size: 18px; margin: 10px 0 0; }
.article-card p { color: var(--sub); font-size: 14px; margin: 8px 0 0; }
.hit mark { background: #FFE58A; color: inherit; border-radius: 3px; padding: 0 2px; }
.active-filters { display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: start; padding-top: 12px; border-top: 1px dashed var(--line); }
.chip-x { display: inline-flex; align-items: center; gap: 6px; }
.chip-x span { font-size: 13px; opacity: .8; }
.clear-link { background: none; border: 0; color: var(--primary); font: inherit; font-size: 14px; cursor: pointer; padding: 6px 4px; text-decoration: underline; }
.hit { background: var(--light); border-radius: 8px; padding: 6px 10px; font-size: 13px !important; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tag { font-size: 12px; border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; color: var(--sub); }
.tag-blue { background: var(--light); border-color: var(--light); color: var(--primary); font-weight: 600; }
.tag-gray { background: var(--gray); border-color: var(--gray); }
.tag-draft { background: #FFF4D6; border-color: #FFE7A3; color: #6B4E00; }
.meta { color: #8B95A7; font-size: 13px; display: flex; gap: 14px; flex-wrap: wrap; margin-top: 10px !important; }
.posted { margin-left: auto; color: #8B95A7; font-size: 12px; }
.related-panel { margin: 32px 0 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.related-panel p { margin: 0; color: var(--navy); font-weight: 600; }
.related-panel .btn { margin-top: 0; }
.notice { color: var(--sub); font-size: 13px; text-align: center; margin: 24px 0 0; }
.job-list, .event-list { display: grid; gap: 20px; margin-top: 20px; }
.job-card { padding: 24px 28px; }
.job-card h2 { font-size: 20px; margin: 12px 0 2px; color: var(--primary); }
.facility { color: var(--sub); margin: 0; }
.job-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px 20px; margin: 14px 0; }
.job-facts dt { font-size: 12px; color: #8B95A7; }
.job-facts dd { margin: 0; font-weight: 500; }
.list-head { display: flex; justify-content: space-between; align-items: center; margin: 36px 0 8px; gap: 12px; flex-wrap: wrap; }
.list-head h2 { margin: 0; font-size: 22px; }
.seg { display: inline-flex; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.seg button { border: 0; background: none; padding: 6px 14px; border-radius: 999px; font-size: 14px; color: var(--sub); cursor: pointer; font-family: inherit; }
.seg button.on { background: var(--navy); color: #fff; }
.event-card { display: grid; grid-template-columns: 120px 1fr; }
.event-date { background: var(--navy); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px; font-size: 13px; }
.event-date b { font-size: 36px; line-height: 1.2; }
.event-body { padding: 20px 24px; }
.event-body h3 { font-size: 19px; margin: 10px 0 2px; }
.past { margin: 24px 0 0; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; color: var(--sub); }
.past a { display: block; padding: 4px 0; font-size: 14px; }

/* 帯 */
.band-wrap { padding: 72px 0; }
.band { background: var(--navy); color: #fff; border-radius: 24px; padding: 40px 48px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.band h2 { color: #fff; margin: 0 0 6px; font-size: 22px; }
.band p { margin: 0; color: #CDD5E3; font-size: 15px; }
.band-links { display: flex; gap: 12px; flex-wrap: wrap; }

/* 記事 */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 40px; padding: 24px 0 72px; align-items: start; }
.article-main { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 40px 44px; }
.article-title { font-size: clamp(24px, 3vw, 32px); margin: 14px 0 8px; }
.draft-note { background: #FFF4D6; color: #6B4E00; border-radius: 10px; padding: 10px 14px; font-size: 13px; }
.prose { font-size: 16px; }
.prose h2 { font-size: 22px; margin: 40px 0 12px; padding-left: 12px; border-left: 4px solid var(--primary); }
.prose h3 { font-size: 18px; margin: 28px 0 8px; }
.prose p { margin: 12px 0; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: 4px 0; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; margin: 16px 0; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.prose th { background: var(--gray); }
.cite { color: #8B95A7; font-size: 11px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.spec-table th { width: 30%; text-align: left; background: var(--gray); font-weight: 500; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 10px 14px; vertical-align: top; }
.related { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 16px; }
.related h2 { font-size: 18px; }
.related a { display: block; color: var(--primary); padding: 4px 0; }
.article-side { position: sticky; top: 92px; display: grid; gap: 16px; }
.toc, .next-step { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; display: grid; gap: 6px; font-size: 14px; }
.toc-title, .next-step p { font-weight: 700; color: var(--navy); margin: 0 0 4px; }
.toc a { color: var(--sub); }
.toc a:hover { color: var(--primary); }
.toc p { margin: 0; }
.toc .btn { margin-top: 8px; color: #fff; }
.next-step a { color: var(--primary); }

/* フッター */
.site-footer { background: var(--navy); color: #CDD5E3; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding: 56px 0 40px; }
.footer-grid img { height: 40px; width: auto; }
.footer-copy { font-size: 14px; margin: 12px 0 0; }
.footer-grid h3 { color: #fff; font-size: 15px; margin: 0 0 12px; }
.footer-grid a { display: block; font-size: 14px; padding: 4px 0; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0 28px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; }

/* スマホ */
@media (max-width: 900px) {
  .menu-btn { display: block; }
  .gnav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px; border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgba(15,30,61,.08); }
  .gnav.open { display: flex; }
  .gnav a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .gnav .nav-cta { margin-top: 12px; border-bottom: 0; }
  .entry-cards, .card-grid { grid-template-columns: 1fr; }
  .entry-cards { margin-top: -48px; gap: 14px; }
  .entry-card { padding: 22px; }
  .hero { padding: 0 0 96px; min-height: 0; }
  .hero-text { padding-top: 20px; }
  .hero-photo { position: relative; height: 230px; background-image: url("/assets/hero-sp.jpg"); background-position: 72% 30%; }
  .hero-photo::before { background: linear-gradient(180deg, rgba(255,255,255,0) 60%, #fff 100%); }
  .sel-grid { grid-template-columns: 1fr 1fr; }
  .filter-box { padding: 16px; }
  .filter-box .search { order: -2; }
  .filter-toggle { order: -1; grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; width: 100%; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 11px 16px; font: inherit; font-size: 15px; font-weight: 700; color: var(--navy); cursor: pointer; }
  .filter-toggle span:last-child { font-size: 11px; color: var(--sub); }
  .filter-box:not(.open) .chip-row, .filter-box:not(.open) .sel, .filter-box:not(.open) .hint { display: none; }
  .chip-row { grid-template-columns: 1fr; gap: 6px; }
  .chip-label { padding-top: 0; }
  .active-filters { grid-template-columns: 1fr; gap: 6px; }
  .lead-row { flex-direction: column; align-items: flex-start; }
  .article-layout { grid-template-columns: 1fr; gap: 16px; }
  .article-side { position: static; }
  .article-main { padding: 24px 18px; }
  .job-facts { grid-template-columns: 1fr 1fr; }
  .event-card { grid-template-columns: 84px 1fr; }
  .band { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}