/* Minimal styles */
:root { --maxw: 920px; }
* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', 'Yu Gothic', Meiryo, sans-serif; line-height: 1.7; margin: 0; color: #111; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 20px; }
header { background: #f6f7fb; border-bottom: 1px solid #e5e7eb; }
h1 { margin: 0.2em 0 0.1em; font-size: 1.8rem; }
.subtitle { color: #555; margin: 0 0 0.2em; }
.meta { color: #666; font-size: 0.95rem; }
h2 { margin-top: 1.2em; font-size: 1.3rem; border-left: 4px solid #111; padding-left: 10px; }
.notice-card { border: 1px solid #e5e7eb; border-radius: 12px; padding: 16px; margin: 14px 0; background: #fff; }
.notice-card .date { color: #666; font-size: 0.95rem; margin: 0 0 0.6em; }
.footer { color: #666; font-size: 0.9rem; padding-top: 10px; border-top: 1px solid #e5e7eb; margin-top: 30px; }
a { color: inherit; text-decoration: underline; }