.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.card { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: transform 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.card h3 a { color: #2c3e50; text-decoration: none; }
.card h3 a:hover { color: #3498db; }
.meta { color: #7f8c8d; font-size: 0.9rem; margin: 0.5rem 0; }
.oneline { color: #555; font-size: 0.95rem; }
.intro { background: white; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; line-height: 1.8; }
.intro p { margin-bottom: 1rem; }
section { margin: 3rem 0; }
section h2 { font-size: 1.5rem; color: #2c3e50; margin-bottom: 1.5rem; border-left: 4px solid #3498db; padding-left: 1rem; }
.guide-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.guide-card { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 2rem; border-radius: 8px; text-decoration: none; transition: transform 0.2s; }
.guide-card:hover { transform: scale(1.05); }
.guide-card h3 { color: white; margin-bottom: 0.5rem; }
.list-container { background: white; border-radius: 8px; padding: 2rem; }
.list-item { border-bottom: 1px solid #ecf0f1; padding: 1.5rem 0; }
.list-item:last-child { border-bottom: none; }
.list-item h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.list-item h3 a { color: #2c3e50; text-decoration: none; }
.list-item h3 a:hover { color: #3498db; }
.rank { background: #e74c3c; color: white; padding: 0.2rem 0.6rem; border-radius: 4px; font-weight: bold; margin-right: 0.5rem; }
.date { background: #3498db; color: white; padding: 0.2rem 0.6rem; border-radius: 4px; margin-right: 0.5rem; }
.summary { color: #555; margin-top: 0.5rem; line-height: 1.6; }
.review { color: #16a085; margin-top: 0.5rem; font-style: italic; }
.page-intro { background: #ecf0f1; padding: 1rem; border-radius: 4px; margin: 1rem 0 2rem; }
.video-info { background: white; padding: 2rem; border-radius: 8px; margin: 2rem 0; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.info-item { padding: 0.5rem 0; }
.video-highlight { background: #e8f5e9; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; }
.video-highlight p { font-size: 1.1rem; color: #2c3e50; font-weight: 500; }
.video-summary { background: white; padding: 2rem; border-radius: 8px; margin: 2rem 0; line-height: 1.8; }
.video-review { background: #fff3cd; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.5rem; }
.related-item { background: white; padding: 1.5rem; border-radius: 8px; border: 1px solid #ecf0f1; }
.related-item h4 { margin-bottom: 0.5rem; }
.related-item h4 a { color: #2c3e50; text-decoration: none; }
.related-item h4 a:hover { color: #3498db; }
@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr; gap: 1rem; }
  .guide-links { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
}