:root {
  --color-main: #175297;
  --color-sub: #2e74c7;
  --color-accent: #ff8901;
  --color-text: #1f2a37;
  --color-muted: #64748b;
  --color-light: #f4f7fb;
  --color-white: #fff;
  --container: 1120px;
  --radius: 18px;
  --shadow: 0 16px 40px rgba(23, 82, 151, .16);
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--color-text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; line-height: 1.75; background: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(23,82,151,.12); backdrop-filter: blur(10px); }
.site-header__inner { max-width: var(--container); margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; min-height: 44px; font-weight: 800; letter-spacing: .04em; color: var(--color-main); }
.site-logo img { max-height: 46px; width: auto; }
.site-logo__text { font-size: 22px; font-weight: 800; color: var(--color-main); }
.global-nav ul, .footer-nav ul { list-style: none; display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; }
.global-nav a { font-size: 14px; font-weight: 700; color: #263548; }
.global-nav a:hover { color: var(--color-sub); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; border: 1px solid rgba(23,82,151,.2); background: #fff; border-radius: 999px; color: var(--color-main); font-weight: 800; }
.hero { position: relative; min-height: 640px; display: flex; align-items: center; color: #fff; background-image: var(--hero-image); background-size: cover; background-position: center; overflow: hidden; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,31,63,.86), rgba(23,82,151,.62) 45%, rgba(23,82,151,.18)); }
.hero__inner { position: relative; z-index: 1; max-width: var(--container); width: 100%; margin: 0 auto; padding: 88px 24px; }
.hero h1 { max-width: 760px; margin: 0 0 24px; font-size: clamp(34px, 5vw, 62px); line-height: 1.18; letter-spacing: .03em; }
.hero p { max-width: 640px; font-size: 18px; }
.hero__buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.section { padding: 88px 0; }
.section--light { background: var(--color-light); }
.section--blue { background: linear-gradient(135deg, #0f3e78, var(--color-main)); color: #fff; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 880px; }
.section-kicker { margin: 0 0 8px; color: var(--color-accent); font-weight: 900; letter-spacing: .14em; font-size: 13px; }
.section--blue .section-kicker, .hero .section-kicker { color: #ffd09d; }
h1, h2, h3 { line-height: 1.35; margin-top: 0; }
h2 { font-size: clamp(26px, 3.3vw, 42px); margin-bottom: 20px; }
h3 { font-size: 20px; margin-bottom: 8px; }
p { margin-top: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split figure { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.split figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.cards { display: grid; gap: 24px; margin-top: 34px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid rgba(23,82,151,.12); border-radius: var(--radius); padding: 28px; box-shadow: 0 8px 24px rgba(15, 49, 84, .08); }
.card span { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 18px; border-radius: 999px; background: rgba(46,116,199,.12); color: var(--color-main); font-weight: 900; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 24px; border-radius: 999px; background: var(--color-main); color: #fff; font-weight: 800; box-shadow: 0 8px 22px rgba(23,82,151,.22); }
.btn:hover { background: var(--color-sub); }
.btn--accent { background: var(--color-accent); box-shadow: 0 8px 22px rgba(255,137,1,.28); }
.btn--accent:hover { background: #e87900; }
.btn--ghost { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.5); box-shadow: none; }
.text-link { display: inline-flex; margin-top: 18px; color: var(--color-accent); font-weight: 800; }
.section--blue .text-link { color: #ffd09d; }
.center { text-align: center; margin-top: 34px; }
.message-box { padding: 42px; border-radius: var(--radius); background: linear-gradient(135deg, rgba(23,82,151,.1), rgba(255,137,1,.12)); border: 1px solid rgba(23,82,151,.15); }
.page-hero { padding: 72px 0; background: linear-gradient(135deg, var(--color-main), #0d376c); color: #fff; }
.page-hero h1 { margin: 0; font-size: clamp(30px, 4vw, 48px); }
.page-content h2 { margin-top: 44px; padding-left: 16px; border-left: 5px solid var(--color-accent); }
.page-content h3 { margin-top: 28px; color: var(--color-main); }
.caution_message { margin: 0 0 32px; padding: 16px 20px; border: 1px solid #e0b400; background: #fff8d8; color: #5f4b00; font-weight: 700; line-height: 1.6; }
.outline { width: 100%; border-collapse: collapse; margin-top: 32px; background: #fff; box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
.outline th, .outline td { padding: 18px 20px; border-bottom: 1px solid #e5edf7; text-align: left; vertical-align: top; }
.outline th { width: 30%; background: #f0f5fb; color: var(--color-main); }
.empty-message { padding: 20px; border: 1px dashed rgba(23,82,151,.3); border-radius: 12px; background: #f8fbff; color: var(--color-muted); }
.contact-include-area { margin-top: 32px; }
.post-card { padding: 24px 0; border-bottom: 1px solid #e5edf7; }
.site-footer { background: #0d2548; color: #fff; }
.site-footer__cta { max-width: var(--container); margin: 0 auto; padding: 56px 24px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid rgba(255,255,255,.14); }
.site-footer__cta h2 { margin-bottom: 8px; }
.site-footer__inner { max-width: var(--container); margin: 0 auto; padding: 42px 24px; display: flex; justify-content: space-between; gap: 32px; }
.site-footer .site-logo__text { color: #fff; }
.footer-nav ul { flex-wrap: wrap; justify-content: flex-end; }
.footer-nav a { color: rgba(255,255,255,.82); }
.copyright { margin: 0; padding: 18px 24px; text-align: center; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.7); font-size: 13px; }
@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .global-nav { display: none; position: absolute; left: 16px; right: 16px; top: 76px; padding: 18px; background: #fff; border-radius: 16px; box-shadow: var(--shadow); }
  .global-nav.is-open { display: block; }
  .global-nav ul { display: grid; gap: 12px; }
  .hero { min-height: 560px; }
  .hero__overlay { background: linear-gradient(180deg, rgba(10,31,63,.82), rgba(23,82,151,.46)); }
  .split, .cards.three { grid-template-columns: 1fr; }
  .reverse figure { order: -1; }
  .site-footer__cta, .site-footer__inner { display: grid; }
  .footer-nav ul { justify-content: flex-start; display: grid; gap: 10px; }
}
@media (max-width: 600px) {
  .site-header__inner { padding: 12px 16px; }
  .site-logo__text { font-size: 18px; }
  .hero__inner, .container { padding-left: 18px; padding-right: 18px; }
  .section { padding: 64px 0; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; }
  .btn { width: 100%; }
  .outline, .outline tbody, .outline tr, .outline th, .outline td { display: block; width: 100%; }
  .outline th { border-bottom: 0; padding-bottom: 8px; }
  .outline td { padding-top: 8px; }
}