* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; line-height: 1.6; color: #333; max-width: 800px; margin: 0 auto; padding: 20px; background: #f9fafb; }
header { border-bottom: 2px solid #2563eb; padding-bottom: 15px; margin-bottom: 30px; display: flex; justify-content: space-between; align-items: center; }
header h1 a { color: #2563eb; text-decoration: none; font-size: 1.5rem; }
nav a { margin-left: 20px; color: #4b5563; text-decoration: none; }
nav a:hover { color: #2563eb; }
main { min-height: 60vh; }
.hero { text-align: center; padding: 40px 0; }
.hero h2 { font-size: 2rem; color: #1e40af; margin-bottom: 10px; }
.post-list { list-style: none; }
.post-list li { padding: 12px 0; border-bottom: 1px solid #e5e7eb; display: flex; justify-content: space-between; }
.post-list li a { color: #2563eb; text-decoration: none; font-weight: 500; }
.post-list li a:hover { text-decoration: underline; }
.date { color: #9ca3af; font-size: 0.9rem; white-space: nowrap; }
article h2 { color: #1e40af; margin-bottom: 10px; }
.meta { color: #9ca3af; margin-bottom: 20px; }
.content { line-height: 1.8; }
.content a { color: #2563eb; }
footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid #e5e7eb; text-align: center; color: #9ca3af; font-size: 0.85rem; }