:root {
  --bg: #faf8f5;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #e85d04;
  --card: #ffffff;
  --border: #e8e4df;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.35;
  margin: 0 0 12px;
}

.lead {
  color: var(--muted);
  margin: 0 0 32px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.card h2 {
  font-size: 1rem;
  margin: 0 0 8px;
}

.card p,
.card ul {
  margin: 0;
  color: var(--muted);
}

.card ul {
  padding-left: 1.2em;
}

a {
  color: var(--accent);
}

footer {
  margin-top: 40px;
  font-size: 0.875rem;
  color: var(--muted);
}

footer nav a {
  margin-right: 16px;
}