body {
  font-family: -apple-system, "Segoe UI", "Yu Gothic UI", sans-serif;
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  color: #222;
  line-height: 1.7;
}
header { border-bottom: 2px solid #0a66c2; padding-bottom: 1rem; margin-bottom: 2rem; }
header h1 { margin: 0; color: #0a66c2; }
.subtitle { color: #666; margin: 0.3rem 0 0; }
.sessions { list-style: none; padding: 0; }
.sessions li { padding: 0.8rem; border-bottom: 1px solid #eee; }
.sessions a { text-decoration: none; color: #0a66c2; font-weight: 600; }
.sessions a:hover { text-decoration: underline; }
.session-summary { margin: 0.3rem 0 0; color: #666; font-size: 0.88rem; font-weight: normal; }
footer { margin-top: 3rem; color: #999; font-size: 0.85rem; text-align: center; }