@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap");

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #eaf3f8;
  --accent: #17b5e9;
  --text: #0d2534;
  --muted: #435867;
  --line: #c9d9e3;
  --line-strong: #abc4d2;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
  padding: 32px 0 36px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.card,
.policy-card {
  border-radius: var(--radius-xl);
  background: #f5f9fb;
}

.card {
  min-height: 220px;
  padding: 28px;
}

.hero-card {
  grid-column: span 8;
  min-height: 320px;
  padding: 42px;
  background: #f2f7fa;
}

.summary-card {
  grid-column: span 4;
  background: #e7f1f6;
}

.legal-card {
  grid-column: span 12;
  background: #eef5f8;
}

.eyebrow,
.policy-date {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e8f8fd;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.hero-card h1,
.policy-head h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.4rem, 4.8vw, 4.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.card h2 {
  margin: 14px 0 10px;
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.lead,
.card p,
.policy-card p,
.policy-card li {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.lead {
  max-width: 34rem;
  font-size: 1.05rem;
  color: var(--text);
}

.hero-actions,
.link-pills,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 30px;
}

.button,
.link-pills a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 500;
  background: var(--surface);
  transition: background-color 160ms ease, border-color 160ms ease;
}

.button:hover,
.link-pills a:hover,
.footer-links a:hover {
  background: #e8f8fd;
  border-color: var(--accent);
}

.button-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
}

.button-secondary,
.link-pills a {
  background: var(--surface);
  color: var(--text);
}

.summary-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.summary-list li {
  padding: 12px 0;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.7;
}

.summary-list li + li {
  border-top: 1px solid rgba(13, 37, 52, 0.14);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
  padding: 18px 6px 0;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.policy-shell {
  max-width: 940px;
}

.policy-card {
  padding: 34px;
  background: #f6fafc;
}

.policy-head {
  margin-bottom: 26px;
}

.policy-date {
  margin-top: 18px;
}

.policy-section + .policy-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.policy-section h2 {
  margin: 0 0 12px;
  font-size: 1.14rem;
  line-height: 1.5;
}

.policy-card ul {
  margin: 14px 0 0;
  padding-left: 1.3rem;
}

.policy-card li + li {
  margin-top: 10px;
}

@media (max-width: 960px) {
  .hero-card,
  .summary-card,
  .legal-card,
  .bento-grid > .card {
    grid-column: span 12;
  }

  .hero-card,
  .summary-card {
    min-height: auto;
  }

  .site-footer,
  .policy-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
    padding-top: 20px;
  }

  .card,
  .policy-card {
    border-radius: 24px;
  }

  .hero-card,
  .card,
  .policy-card {
    padding: 22px;
  }

  .hero-card h1,
  .policy-head h1 {
    font-size: 2.2rem;
  }
}