:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --text: #1d241f;
  --muted: #667068;
  --line: #dfe5df;
  --accent: #234d3a;
  --accent-soft: #edf3ef;
  --shadow: 0 14px 34px rgba(28, 42, 32, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.site-header {
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 15px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 760;
  letter-spacing: .01em;
}

.header-note {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.hero {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.25;
  letter-spacing: -.025em;
}

.lead,
.updated {
  color: var(--muted);
}

.updated {
  margin: 8px 0 0;
  font-size: 14px;
}

.policy-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 42px clamp(22px, 5vw, 54px);
}

.policy-card h2 {
  margin: 46px 0 16px;
  padding-top: 3px;
  font-size: 22px;
  line-height: 1.45;
}

.policy-card h2:first-child { margin-top: 0; }

.policy-card h3 {
  margin: 28px 0 10px;
  font-size: 17px;
}

.policy-card p { margin: 0 0 18px; }
.policy-card ul,
.policy-card ol { margin: 0 0 20px; padding-left: 1.4em; }
.policy-card li { margin: 6px 0; }

.info-grid {
  display: grid;
  grid-template-columns: minmax(150px, 210px) minmax(0, 1fr);
  border-top: 1px solid var(--line);
  margin-top: 12px;
}

.info-grid dt,
.info-grid dd {
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.info-grid dt {
  padding-right: 28px;
  font-weight: 700;
}

.note {
  background: var(--accent-soft);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 20px 0;
}

.policy-nav {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.policy-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.footer-links a { color: var(--muted); }

@media (max-width: 680px) {
  .header-inner { padding: 13px 18px; }
  .header-note { display: none; }
  main { padding: 34px 16px 56px; }
  .policy-card { border-radius: 14px; padding: 28px 20px 34px; }
  .policy-card h2 { margin-top: 38px; font-size: 20px; }
  .info-grid { grid-template-columns: 1fr; }
  .info-grid dt { padding: 16px 0 4px; border-bottom: 0; }
  .info-grid dd { padding: 0 0 16px; }
  .footer-inner { flex-direction: column; padding: 24px 18px 34px; }
}

@media print {
  .site-header, .site-footer, .policy-nav { display: none; }
  body { background: #fff; }
  main { max-width: none; padding: 0; }
  .policy-card { border: 0; box-shadow: none; padding: 0; }
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img { width: 38px; height: 38px; border-radius: 10px; box-shadow: 0 4px 14px rgba(23,63,49,.08); }