:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-text: #22272e;
  --color-muted: #5b6573;
  --color-border: #e2e5ea;
  --color-accent: #2b6cb0;
  --color-accent-soft: #e8f0f9;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 30, 50, 0.04), 0 4px 16px rgba(20, 30, 50, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.hero {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem 1.75rem 1.25rem;
  margin-bottom: 1.5rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
  line-height: 1.35;
}

.lead {
  margin: 0 0 0.75rem;
  color: var(--color-muted);
}

.meta {
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.language-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
}

.language-nav-label {
  margin: 0 0.25rem 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.language-nav a {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--color-accent);
  background: #fff;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.language-nav a:hover,
.language-nav a:focus {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  text-decoration: none;
}

.language-nav a.is-current {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  cursor: default;
}

.policy {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}

.policy section + section {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.policy h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  line-height: 1.4;
}

.policy h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.02rem;
  color: var(--color-muted);
}

.policy p {
  margin: 0 0 0.85rem;
}

.policy ul {
  margin: 0 0 0.85rem;
  padding-left: 1.35rem;
}

.policy ul ul {
  margin-top: 0.35rem;
  margin-bottom: 0.35rem;
}

.policy li {
  margin-bottom: 0.2rem;
}

.contact-block {
  background: var(--color-accent-soft);
  border-left: 3px solid var(--color-accent);
  padding: 0.85rem 1rem;
  border-radius: 6px;
  line-height: 1.8;
}

.mail-address {
  display: inline-block;
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
  word-break: break-all;
}

.small-note {
  color: var(--color-muted);
  font-size: 0.9rem;
}

@media (max-width: 520px) {
  .page { padding: 1rem 0.75rem 2.5rem; }
  .hero { padding: 1.25rem; }
  .policy { padding: 1.25rem; }
  .hero h1 { font-size: 1.35rem; }
}