:root {
  --ink: #1a2433;
  --sub: #55627a;
  --line: #e3e8f0;
  --accent: #0f5cc0;
  --accent-dark: #0b4593;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.75; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 3px solid var(--accent); padding-top: 18px; }
.brand { font-size: 1.5rem; font-weight: 700; color: var(--ink); }
.tagline { font-size: 0.8rem; color: var(--sub); margin: 2px 0 10px; }
.cat-nav { background: var(--accent); }
.cat-nav .wrap { display: flex; gap: 4px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cat-nav a { color: #fff; font-size: 0.85rem; padding: 9px 12px; white-space: nowrap; flex-shrink: 0; }
.cat-nav a:hover { background: var(--accent-dark); text-decoration: none; }

main { padding: 24px 16px 40px; }
.section-title { font-size: 1.1rem; border-left: 4px solid var(--accent); padding-left: 10px; margin: 28px 0 14px; }
.page-title { font-size: 1.4rem; margin: 8px 0 4px; }

.short-card { border-bottom: 1px solid var(--line); padding: 12px 0; }
.short-card h3 { font-size: 0.98rem; font-weight: 600; }
.short-meta { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: var(--sub); flex-wrap: wrap; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 3px; font-size: 0.72rem; }
.badge.pref { background: #e8f0fc; color: var(--accent-dark); }
.badge.src { background: var(--bg-soft); color: var(--sub); }
.short-summary { font-size: 0.85rem; color: var(--sub); margin-top: 2px; }
.more-link { margin-top: 14px; text-align: right; }

.article-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .article-grid { grid-template-columns: 1fr 1fr; } }
.article-card { border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; background: var(--bg-soft); }
.article-card h3 { font-size: 1rem; margin: 4px 0; }
.article-card p { font-size: 0.85rem; color: var(--sub); }

.article-full h1 { font-size: 1.45rem; line-height: 1.5; margin: 8px 0 12px; }
@media (min-width: 640px) { .article-full h1 { font-size: 1.7rem; } }
.lead { background: var(--bg-soft); border-radius: 8px; padding: 14px 16px; font-size: 0.95rem; margin-bottom: 20px; }
.article-body h2 { font-size: 1.15rem; border-bottom: 2px solid var(--accent); padding-bottom: 6px; margin: 28px 0 12px; }
.article-body p { margin-bottom: 14px; }
.article-body ul { margin: 0 0 14px 22px; }
.source-box { font-size: 0.85rem; color: var(--sub); border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; margin: 24px 0; }

.cta-box { background: #eef4fd; border: 1px solid #cfe0f7; border-radius: 10px; padding: 18px 16px; margin: 28px 0; text-align: center; }
.cta-heading { font-weight: 700; margin-bottom: 12px; }
.cta-buttons { display: flex; flex-direction: column; gap: 10px; align-items: center; }
@media (min-width: 640px) { .cta-buttons { flex-direction: row; justify-content: center; } }
.cta-btn { display: inline-block; width: 100%; max-width: 420px; text-align: center; background: var(--accent); color: #fff; font-weight: 700; padding: 12px 20px; border-radius: 8px; border: none; font-size: 0.95rem; cursor: pointer; }
@media (min-width: 640px) { .cta-btn { width: auto; } }
.cta-btn:hover { background: var(--accent-dark); text-decoration: none; }
.cta-btn.danger { background: #b03030; }

.related-link { padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 0.92rem; }

.about-table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.about-table th, .about-table td { border: 1px solid var(--line); padding: 10px 12px; font-size: 0.9rem; text-align: left; }
.about-table th { background: var(--bg-soft); width: 32%; }
.about-body h2 { font-size: 1.1rem; margin: 24px 0 8px; }

.site-footer { background: var(--ink); color: #cfd6e2; margin-top: 40px; padding: 26px 0; font-size: 0.85rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 12px; }
.footer-links a { color: #cfd6e2; }
.copyright { color: #93a0b5; font-size: 0.78rem; }

.flash-ok { background: #e7f6e7; border: 1px solid #b5deb5; color: #226222; padding: 10px 14px; border-radius: 6px; margin: 12px 0; }
.admin-stats { color: var(--sub); font-size: 0.9rem; }
.admin-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); padding: 10px 0; flex-wrap: wrap; }
.admin-row > div:first-child { flex: 1 1 320px; min-width: 0; }
.admin-actions { display: flex; gap: 8px; align-items: center; }
.admin-actions .cta-btn { padding: 8px 14px; font-size: 0.82rem; width: auto; }

.pagination { display: flex; gap: 6px; margin: 18px 0; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 6px 12px; border: 1px solid var(--line); border-radius: 4px; font-size: 0.85rem; }