:root {
  --bg: #fafafa;
  --text: #1a1a1a;
  --muted: #666;
  --border: #e5e5e5;
  --accent: #2563eb;
  --card: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 48px;
}

.header {
  margin-bottom: 48px;
}

.header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--muted);
  margin-top: 8px;
  font-size: 16px;
}

.apps {
  display: grid;
  gap: 16px;
}

.app-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.app-card h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.app-card .links {
  margin-top: 16px;
  font-size: 15px;
}

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

a:hover {
  text-decoration: underline;
}

.footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.policy {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

.back-link {
  display: inline-block;
  margin-bottom: 32px;
  font-size: 15px;
}

.policy h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.policy .effective-date {
  color: var(--muted);
  font-style: italic;
  margin-bottom: 24px;
}

.policy .intro {
  margin-bottom: 32px;
  font-size: 17px;
}

.policy h2 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.policy p {
  margin-bottom: 16px;
}

@media (max-width: 600px) {
  .container, .policy {
    padding: 40px 20px;
  }
  .header h1, .policy h1 {
    font-size: 26px;
  }
}