:root {
  --ink: #122026;
  --muted: #5b6b72;
  --line: #d7e0e3;
  --paper: #f3f7f8;
  --white: #fff;
  --teal: #0f4c5c;
  --gold: #c9a227;
  --err: #b42318;
  --ok: #1f6b4a;
  --max: 1080px;
  --font: "Source Sans 3", "Noto Sans JP", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--font); line-height: 1.65; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.legal-bar { background: var(--teal); color: #d5e6ea; font-size: 12px; padding: 8px 0; }
.legal-bar strong { color: #fff; }
.site-header { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 70px; gap: 16px; }
.logo { text-decoration: none; }
.logo b { display: block; font-size: 1.1rem; }
.logo span { display: block; font-size: 11px; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.nav a { text-decoration: none; }
.nav-toggle { display: none; width: 40px; height: 40px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 16px; background: var(--teal); color: #fff; border: 0; text-decoration: none; font: inherit; cursor: pointer; }
.btn-ghost { background: #fff; color: var(--teal); border: 1px solid var(--teal); }
.btn-full { width: 100%; }
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; min-height: 70vh; }
.hero img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.hero-copy { padding: 56px 44px; background: var(--paper); display: flex; flex-direction: column; justify-content: center; }
.kicker { color: var(--gold); font-size: 12px; letter-spacing: 0.14em; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.2; margin: 8px 0 12px; }
.lede { max-width: 38rem; }
.ja { color: var(--muted); font-size: 0.95rem; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.section { padding: 64px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { border: 1px solid var(--line); background: #fff; }
.card img { width: 100%; height: 200px; object-fit: cover; }
.card-pad { padding: 16px; }
.mail-box { background: var(--teal); color: #e7f2f4; padding: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mail-box h3 { color: #fff; margin: 0 0 8px; }
.name-card { border: 1px solid var(--line); background: var(--paper); padding: 24px; }
.name-card table { width: 100%; border-collapse: collapse; }
.name-card th { text-align: left; width: 210px; padding: 10px 8px; color: var(--muted); font-size: 13px; font-weight: 500; }
.name-card td { padding: 10px 8px; }
.page-hero { padding: 48px 0 8px; }
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 24px; color: var(--muted); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 20px; margin-bottom: 18px; }
.footer-grid a { display: block; text-decoration: none; margin: 6px 0; }
.auth-page { min-height: 70vh; display: grid; place-items: center; padding: 40px 0 80px; }
.auth-card { width: min(100%, 430px); border: 1px solid var(--line); padding: 32px; }
.field { margin: 14px 0; }
.field label { display: block; font-size: 13px; margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; min-height: 44px; border: 1px solid var(--line); padding: 10px; font: inherit; }
.field textarea { min-height: 120px; }
.field-error, .form-error { color: var(--err); font-size: 13px; }
.form-error { background: #fdecec; padding: 10px; }
.form-error[hidden], .field-error:empty { display: none; }
.check { display: flex; gap: 8px; font-size: 14px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.success-box { background: #eaf6ef; padding: 20px; }
.photo-wide { width: 100%; height: 280px; object-fit: cover; margin-bottom: 20px; }
@media (max-width: 880px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav { display: none; position: absolute; left: 20px; right: 20px; top: 110px; background: #fff; border: 1px solid var(--line); padding: 14px; flex-direction: column; }
  .nav.is-open { display: flex; }
  .hero, .grid-3, .mail-box, .footer-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 32px 20px; }
}