:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #17212b;
  --muted: #667585;
  --line: rgba(23, 33, 43, 0.1);
  --primary: #0b6f67;
  --primary-dark: #084f4a;
  --accent: #f2b84b;
  --shadow: 0 18px 44px rgba(21, 43, 58, 0.11);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    linear-gradient(145deg, rgba(11, 111, 103, 0.1), transparent 36%),
    linear-gradient(20deg, rgba(242, 184, 75, 0.18), transparent 32%),
    var(--bg);
  line-height: 1.75;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(calc(100% - 40px), 980px);
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 40px), 820px);
}

.site-header {
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  color: var(--primary-dark);
  font-weight: 900;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero,
.policy-hero {
  padding: 64px 0 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.08;
}

h2 {
  margin: 34px 0 10px;
  font-size: 1.35rem;
}

p {
  margin: 0 0 12px;
}

.lead {
  max-width: 720px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.05rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.section {
  padding: 26px 0 64px;
}

.card,
.policy-card {
  padding: 30px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature h2 {
  margin-top: 0;
}

.policy-date,
.muted,
.en-paragraph,
.en-block {
  color: var(--muted);
}

.en-block {
  display: block;
  margin-top: 8px;
}

.policy-list {
  margin: 12px 0 0;
  padding-left: 1.3rem;
}

.contact-line a {
  color: var(--primary-dark);
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.footer-row {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-weight: 700;
}

@media (max-width: 760px) {
  .nav,
  .footer-row {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 16px 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

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