:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #4b5563;
  --border: #e5e7eb;
  --accent: #1d4ed8;
  --accent-soft: #eff6ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

header {
  border-bottom: 1px solid var(--border);
  background: #ffffff;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 24px 0;
}

.site-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.95rem;
}

.hero {
  padding: 40px 0 24px;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 12px;
}

.hero p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 70ch;
}

.section {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  margin-top: 0;
}

.card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  background: #ffffff;
}

.notice {
  background: var(--accent-soft);
  border: 1px solid #bfdbfe;
  padding: 16px;
  border-radius: 8px;
  color: #1e3a8a;
}

.legal h2 {
  margin-top: 32px;
}

.legal h3 {
  margin-top: 24px;
}

.legal ul {
  padding-left: 20px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 32px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.page-title {
  margin-top: 0;
}

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

.list-tight {
  margin: 8px 0 0 0;
  padding-left: 18px;
}