:root {
  --ink: #1d2a32;
  --muted: #64717a;
  --line: #dce2e6;
  --paper: #ffffff;
  --soft: #f5f7f8;
  --brand: #1f4b63;
  --brand-deep: #17394b;
  --accent: #a67c45;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
  letter-spacing: .02em;
}

a { color: inherit; }
img { max-width: 100%; height: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 74px;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.25; }
.brand strong { font-size: 1.12rem; letter-spacing: .08em; }
.brand span { font-size: .72rem; color: var(--muted); margin-top: 4px; }
.nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 18px; font-size: .9rem; }
.nav a { text-decoration: none; padding: 8px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--brand); border-color: var(--accent); }

.hero {
  background: linear-gradient(135deg, var(--brand-deep), var(--brand));
  color: white;
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 92px 24px 84px;
}
.hero-kicker { margin: 0 0 14px; font-size: .9rem; letter-spacing: .16em; opacity: .82; }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(2rem, 5vw, 3.45rem); line-height: 1.35; letter-spacing: .04em; }
.hero p { margin: 24px 0 0; max-width: 720px; font-size: 1.04rem; opacity: .92; }

.page-hero { background: var(--soft); border-bottom: 1px solid var(--line); }
.page-hero-inner { max-width: var(--max); margin: 0 auto; padding: 54px 24px 46px; }
.page-hero p { margin: 0 0 6px; color: var(--brand); font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; }
.page-hero h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.55rem); }

main section { padding: 70px 24px; }
.container { max-width: var(--max); margin: 0 auto; }
.section-heading { margin-bottom: 32px; }
.section-heading .eyebrow { margin: 0 0 8px; color: var(--accent); font-weight: 700; font-size: .78rem; letter-spacing: .16em; }
.section-heading h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.15rem); }
.section-heading p { margin: 12px 0 0; color: var(--muted); max-width: 760px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 26px; background: white; }
.card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.card .num { color: var(--accent); font-weight: 800; font-size: .8rem; letter-spacing: .12em; }

.soft { background: var(--soft); }
.message { display: grid; grid-template-columns: 1.35fr .65fr; gap: 48px; align-items: start; }
.message-copy p:first-child { margin-top: 0; }
.signature { border-left: 3px solid var(--accent); padding: 8px 0 8px 20px; }
.signature small { display: block; color: var(--muted); }
.signature strong { display: block; margin-top: 5px; font-size: 1.15rem; }

.info-table { width: 100%; border-collapse: collapse; border-top: 1px solid var(--line); }
.info-table th, .info-table td { padding: 18px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.info-table th { width: 190px; color: var(--muted); font-weight: 600; background: #fafbfb; }

.business-list { display: grid; gap: 22px; }
.business-item { display: grid; grid-template-columns: 180px 1fr; gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.business-item:first-child { border-top: 1px solid var(--line); }
.business-item h2 { margin: 0; font-size: 1.2rem; color: var(--brand); }
.business-item p { margin: 0; }
.business-item ul { margin: 10px 0 0; padding-left: 1.2em; }

.contact-box { border: 1px solid var(--line); border-radius: 12px; padding: 32px; background: var(--soft); }
.contact-box dl { display: grid; grid-template-columns: 130px 1fr; margin: 0; }
.contact-box dt, .contact-box dd { padding: 10px 0; border-bottom: 1px solid var(--line); }
.contact-box dt { color: var(--muted); }
.contact-box dd { margin: 0; font-weight: 600; }
.contact-note { margin: 24px 0 0; color: var(--muted); font-size: .9rem; }

.policy { max-width: 860px; }
.policy h2 { margin-top: 42px; font-size: 1.15rem; }
.policy h2:first-child { margin-top: 0; }
.policy p, .policy li { color: #39464e; }

.cta { background: var(--brand); color: white; }
.cta-inner { max-width: var(--max); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.cta h2 { margin: 0; }
.cta p { margin: 8px 0 0; opacity: .86; }
.button { display: inline-block; text-decoration: none; background: white; color: var(--brand); border-radius: 6px; padding: 11px 18px; font-weight: 700; white-space: nowrap; }

.site-footer { border-top: 1px solid var(--line); background: #f9fafb; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 34px 24px; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.footer-name { font-weight: 700; }
.footer-address, .copyright { color: var(--muted); font-size: .82rem; }
.footer-address { margin-top: 4px; }
.copyright { text-align: right; }

@media (max-width: 760px) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: 8px; padding-top: 14px; padding-bottom: 10px; }
  .nav { justify-content: flex-start; gap: 0 15px; }
  .nav a { padding: 5px 0; }
  .hero-inner { padding-top: 68px; padding-bottom: 62px; }
  main section { padding: 54px 20px; }
  .grid-3 { grid-template-columns: 1fr; }
  .message { grid-template-columns: 1fr; gap: 24px; }
  .info-table th { width: 112px; }
  .info-table th, .info-table td { padding: 14px 10px; }
  .business-item { grid-template-columns: 1fr; gap: 8px; }
  .contact-box { padding: 22px; }
  .contact-box dl { grid-template-columns: 88px 1fr; }
  .cta-inner, .footer-inner { align-items: flex-start; flex-direction: column; }
  .copyright { text-align: left; }
}