body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111;
  background: #fafafa;
  line-height: 1.6;
}

.site-header {
  max-width: 720px;
  margin: 80px auto 40px;
  padding: 0 20px;
  text-align: center;
}

.tagline {
  color: #555;
  margin: 16px 0 32px;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid #111;
  text-decoration: none;
  color: #111;
  font-weight: 500;
}

.button:hover {
  background: #111;
  color: #fff;
}

.frame-list {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.frame-card {
  margin-bottom: 32px;
}

.frame-card h2 {
  margin-bottom: 8px;
}

.meta {
  color: #666;
  font-size: 0.9rem;
}

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-footer {
  max-width: 720px;
  margin: 80px auto 40px;
  padding: 0 20px;
  text-align: center;
  font-size: 0.9rem;
  color: #666;
}