:root {
  --green: #ffff33;
  --green-dark: #6f6400;
  --ink: #172033;
  --muted: #667085;
  --line: #dce3ef;
  --soft: #f5f7fb;
  --white: #ffffff;
  --dark: #000099;
  --shadow: 0 18px 45px rgba(1, 17, 86, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-y: scroll; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
  line-height: 1.8;
  background: var(--white);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; z-index: 20; padding: 8px 12px; background: var(--white); border: 1px solid var(--line); }

.site-header { border-top: 5px solid #ffff33; background: #000099; position: sticky; top: 0; z-index: 10; box-shadow: 0 1px 0 rgba(0,0,0,.18); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; width: 385px; max-width: 54vw; line-height: 1; background: #000099; }
.brand-logo { display: block; width: 247px; height: 66px; object-fit: contain; object-position: left center; background: #000099; flex: 0 0 auto; }
.brand-name { font-size: 24px; }
.brand-text { color: #ffffff; font-weight: 800; font-size: 18px; letter-spacing: 0; white-space: nowrap; transform: translateY(11px); }
.nav { display: flex; align-items: center; gap: 2px; }
.nav a { padding: 12px 14px; border-radius: 6px; color: #ffffff; font-size: 14px; font-weight: 700; }
.nav a:hover, .nav a[aria-current="page"] { color: #ffff33; background: rgba(255,255,255,.12); }
.nav-toggle { display: none; }
.nav-button { display: none; }

.hero { background: linear-gradient(135deg, #ffffff 0%, #f5f7fb 52%, #eef3fb 100%); border-bottom: 1px solid var(--line); }
.hero-inner { display: grid; grid-template-columns: 1fr 460px; gap: 48px; align-items: center; min-height: 480px; padding: 52px 0; }
.eyebrow { color: #6f6400; font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 10px 0 18px; font-size: clamp(34px, 4.6vw, 52px); line-height: 1.2; letter-spacing: 0; }
.lead { margin: 0; color: #445055; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; border-radius: 6px; font-weight: 800; border: 1px solid #000099; background: #000099; color: var(--white); }
.button.secondary { background: var(--white); color: #000099; border-color: #c7d0e0; }
.button:hover { filter: brightness(.97); }
.hero-visual { border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid #cbd6ea; background: #000099; }

.focus-strip { background: #000099; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.08); }
.focus-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; padding: 30px 0; }
.focus-grid h2 { margin: 6px 0 0; font-size: clamp(22px, 2.4vw, 32px); line-height: 1.35; }
.focus-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; list-style: none; margin: 0; padding: 0; }
.focus-list li { min-height: 56px; display: flex; align-items: center; justify-content: center; padding: 10px 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; background: rgba(255,255,255,.07); color: #fff4b8; font-weight: 800; text-align: center; line-height: 1.45; }
.section { padding: 72px 0; }
.section.soft { background: var(--soft); border-block: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 28px; }
.section-title { margin: 0; font-size: clamp(26px, 2.6vw, 34px); line-height: 1.35; }
.section-text { margin: 0; color: var(--muted); max-width: 680px; }
.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 24px; box-shadow: 0 8px 22px rgba(31,42,46,.05); }
.card h2, .card h3 { margin: 0 0 10px; line-height: 1.45; }
.card p { margin: 0; color: var(--muted); }
.badge { display: inline-block; margin-bottom: 14px; padding: 4px 10px; border-radius: 999px; background: #eef3ff; color: #000099; font-size: 12px; font-weight: 800; }

.page-title { background: var(--soft); border-bottom: 1px solid var(--line); padding: 36px 0; }
.page-title h1 { font-size: clamp(30px, 3.6vw, 44px); margin: 0; line-height: 1.2; }
.breadcrumb { color: var(--muted); font-size: 13px; margin-bottom: 8px; }

.table { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.table th, .table td { padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.table th { width: 220px; background: #f5f7fb; font-weight: 800; }
.table tr:last-child th, .table tr:last-child td { border-bottom: 0; }

.info-panel { padding: 28px; background: var(--dark); color: var(--white); border-radius: 8px; }
.info-panel p { margin: 0 0 12px; color: #e6ebf5; }
.info-panel strong { color: var(--white); }
.info-panel .button { margin-top: 10px; border-color: #ffff33; background: #ffff33; color: #000099; }

.map-box { display: grid; place-items: center; min-height: 360px; border: 1px solid var(--line); border-radius: 8px; background: linear-gradient(135deg, #eef3fb, #ffffff); text-align: center; padding: 28px; }
.map-embed { overflow: hidden; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 8px; background: var(--white); box-shadow: 0 8px 22px rgba(31,42,46,.05); contain: layout paint; }
.map-embed iframe { display: block; width: 100%; height: 360px; flex: 0 0 360px; border: 0; }
.map-link { width: calc(100% - 32px); margin: 16px; }
.map-box strong { display: block; font-size: 22px; margin-bottom: 8px; }
.map-box span { color: var(--muted); }

.sns-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sns-card { border: 1px solid var(--line); border-radius: 8px; padding: 18px; background: var(--white); }
.sns-card strong { display: block; font-size: 18px; }
.sns-card span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.sns-card:hover { border-color: #ffff33; box-shadow: 0 10px 24px rgba(1,17,86,.12); }

.site-footer { background: #000099; color: #e6ebf5; padding: 34px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; }
.footer-nav a { color: #e6ebf5; }
.small { color: var(--muted); font-size: 13px; }
.site-footer .small { color: #cfd7ea; }

@media (max-width: 860px) {
  .container { width: min(100% - 28px, 1080px); }
  .header-inner { min-height: 72px; }
  .brand-name { font-size: 21px; }
  .brand-text { font-size: 14px; }
  .brand { width: auto; max-width: 76vw; gap: 4px; }
  .brand-logo { width: 165px; height: 44px; }
  .nav-button { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.35); border-radius: 6px; font-weight: 800; color: #ffffff; }
  .nav { position: absolute; left: 0; right: 0; top: 73px; display: none; flex-direction: column; align-items: stretch; background: #000099; border-bottom: 1px solid rgba(255,255,255,.18); padding: 8px 14px 14px; }
  .nav a { padding: 12px 14px; }
  .nav-toggle:checked ~ .nav { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 28px; min-height: 0; padding: 42px 0; }
  .focus-grid, .focus-list { grid-template-columns: 1fr; }
  .focus-grid { padding: 26px 0; }
  .hero-visual { order: -1; }
  .section { padding: 48px 0; }
  .section-head { display: block; }
  .grid.cols-2, .grid.cols-3, .sns-grid { grid-template-columns: 1fr; }
  .table, .table tbody, .table tr, .table th, .table td { display: block; width: 100%; }
  .table th { width: 100%; padding-bottom: 8px; }
  .table td { padding-top: 8px; }
  .map-embed iframe { height: 300px; flex-basis: 300px; }
  .footer-inner { display: block; }
  .footer-nav { margin-top: 16px; }
}
.president-message { display: grid; grid-template-columns: 240px 1fr; gap: 36px; align-items: center; }
.president-photo { margin: 0; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); box-shadow: 0 8px 22px rgba(31,42,46,.05); text-align: center; }
.president-photo img { width: 170px; margin: 0 auto 14px; border-radius: 6px; border: 1px solid var(--line); }
.president-photo figcaption { color: var(--muted); font-size: 13px; line-height: 1.6; }
.president-photo strong { color: var(--ink); font-size: 16px; }
.president-copy p { margin: 14px 0 0; color: #445055; font-size: 16px; }

@media (max-width: 860px) {
  .president-message { grid-template-columns: 1fr; gap: 22px; }
  .president-photo { max-width: 260px; margin: 0 auto; }
}
.building-feature { display: grid; grid-template-columns: minmax(260px, 360px) 1fr; gap: 36px; align-items: center; }
.building-photo { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--white); box-shadow: var(--shadow); }
.building-photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.building-photo figcaption { padding: 10px 14px; color: var(--muted); font-size: 13px; background: var(--white); }

@media (max-width: 860px) {
  .building-feature { grid-template-columns: 1fr; gap: 22px; }
}
.fa-visual { display: grid; grid-template-columns: 1.08fr .92fr; gap: 36px; align-items: center; }
.fa-visual-photo { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); background: var(--white); }
.fa-visual-photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.fa-visual-copy .section-text { margin-top: 16px; }

@media (max-width: 860px) {
  .fa-visual { grid-template-columns: 1fr; gap: 22px; }
  .fa-visual-photo { order: -1; }
}
.technical-visual { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; }
.technical-visual-photo { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); background: var(--white); }
.technical-visual-photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.technical-visual-copy .section-text { margin-top: 16px; }

@media (max-width: 860px) {
  .technical-visual { grid-template-columns: 1fr; gap: 22px; }
  .technical-visual-photo { order: -1; }
}
.recruit-contact { margin-top: 24px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--soft); }
.recruit-contact p { margin: 0 0 14px; color: var(--muted); }