.container { max-width: 1200px; margin: 0 auto; padding: 2rem 1rem; }

.intro { background: white; padding: 2rem; margin-bottom: 2rem; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.intro h1 { font-size: 2rem; margin-bottom: 1rem; color: #2c3e50; }
.intro p { font-size: 1rem; line-height: 1.8; color: #555; }

section { margin-bottom: 3rem; }
section h2 { font-size: 1.5rem; margin-bottom: 1.5rem; color: #2c3e50; border-left: 4px solid #3498db; padding-left: 1rem; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.card { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.card h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.card h3 a { color: #2c3e50; text-decoration: none; }
.card h3 a:hover { color: #3498db; }
.card .meta { font-size: 0.85rem; color: #999; margin-bottom: 0.5rem; }
.card .oneline { font-size: 0.9rem; color: #666; line-height: 1.6; }

.link-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.link-card { display: block; background: white; padding: 1.5rem; border-radius: 8px; text-decoration: none; color: #333; box-shadow: 0 2px 8px rgba(0,0,0,0.05); transition: all 0.3s; }
.link-card:hover { background: #3498db; color: white; transform: translateY(-2px); }
.link-card h3 { margin-bottom: 0.5rem; }

.simple-list { display: grid; gap: 1rem; }
.card-simple { display: flex; justify-content: space-between; align-items: center; background: white; padding: 1rem 1.5rem; border-radius: 8px; }
.card-simple a { color: #2c3e50; text-decoration: none; flex: 1; }
.card-simple a:hover { color: #3498db; }
.card-simple .year { color: #999; font-size: 0.9rem; }

.page-header { background: white; padding: 2rem; margin-bottom: 2rem; border-radius: 8px; }
.page-header h1 { font-size: 2rem; margin-bottom: 1rem; color: #2c3e50; }
.page-desc { font-size: 1rem; color: #666; line-height: 1.8; }

.list-grid { display: grid; gap: 1.5rem; }
.card-full, .card-rank, .card-topic, .card-new { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); position: relative; }
.card-rank .rank { position: absolute; top: 1rem; right: 1rem; background: #e74c3c; color: white; padding: 0.25rem 0.75rem; border-radius: 20px; font-weight: bold; }
.card-topic .topic-tag { display: inline-block; background: #3498db; color: white; padding: 0.25rem 0.75rem; border-radius: 4px; font-size: 0.85rem; margin-bottom: 0.5rem; }
.card-new .date { color: #999; font-size: 0.85rem; }
.review { margin-top: 0.75rem; font-size: 0.9rem; color: #777; font-style: italic; }

.detail { background: white; padding: 2.5rem; border-radius: 8px; }
.detail h1 { font-size: 2rem; margin-bottom: 2rem; color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 1rem; }
.detail section { margin-bottom: 2rem; }
.detail h2 { font-size: 1.3rem; margin-bottom: 1rem; color: #34495e; }
.basic-info ul { list-style: none; }
.basic-info li { padding: 0.5rem 0; border-bottom: 1px solid #eee; }
.oneline p, .summary p, .review p { line-height: 1.8; color: #555; }

.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.related-item { background: #f8f9fa; padding: 1rem; border-radius: 8px; border-left: 3px solid #3498db; }
.related-item h4 { margin-bottom: 0.5rem; }
.related-item h4 a { color: #2c3e50; text-decoration: none; }
.related-item h4 a:hover { color: #3498db; }
.related-item p { font-size: 0.9rem; color: #666; }

.footer { background: #2c3e50; color: white; text-align: center; padding: 2rem; margin-top: 3rem; }

@media (max-width: 768px) {
  .container { padding: 1rem; }
  .intro h1, .page-header h1, .detail h1 { font-size: 1.5rem; }
  .card-grid, .link-cards, .related-grid { grid-template-columns: 1fr; }
}