.blog-main { padding-top: 24px; padding-bottom: 80px; }
.crumbs { font-size: 0.9rem; color: var(--muted); margin-bottom: 12px; }
.archive-note { background: var(--pink-pale); border-radius: 12px; padding: 10px 16px; font-size: 0.95rem; }
.blog-ttl { font-size: clamp(1.6rem, 3.4vw, 2rem); margin: 24px 0 12px; }
.blog-ttl span { display: block; font-size: 0.95rem; color: var(--pink-dark); font-weight: 500; }

.cards { list-style: none; padding: 0; margin: 0 0 48px; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.card { display: block; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; text-decoration: none; color: var(--text); height: 100%; }
.card img, .card .no-thumb { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card .no-thumb { display: grid; place-items: center; background: var(--green-pale); font-size: 2rem; }
.card-date { display: block; padding: 10px 14px 0; font-size: 0.85rem; color: var(--muted); }
.card-ttl { display: block; padding: 0 14px 12px; font-weight: 700; line-height: 1.5; }
.card:hover .card-ttl { color: var(--green-dark); text-decoration: underline; }

.month-nav { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; }
.month-nav h2 { font-size: 1.15rem; margin-bottom: 8px; }
.month-nav dl { margin: 0; }
.month-nav div { display: grid; grid-template-columns: 5em 1fr; padding: 8px 0; border-bottom: 1px solid var(--line); }
.month-nav div:last-child { border-bottom: 0; }
.month-nav dt { font-weight: 700; }
.month-nav dd { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.month-nav a { padding: 4px 0; }
.month-nav small { color: var(--muted); }

.post { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 20px 0; }
.post h1 { font-size: clamp(1.3rem, 3vw, 1.7rem); margin-bottom: 16px; }
.post-date { color: var(--muted); margin: 0 0 4px; font-size: 0.95rem; }
.post-body p:has(> a > img) { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; align-items: start; }
.post-body img { border-radius: 10px; width: 100%; height: auto; }
.post-body a:has(> img) { display: block; }

.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; }
.pager a { background: #fff; border: 2px solid var(--green); border-radius: 14px; padding: 10px 18px; text-decoration: none; font-weight: 700; line-height: 1.5; }
.pager small { font-weight: 400; color: var(--muted); }
.pager .next { margin-left: auto; text-align: right; }

@media (max-width: 820px) {
  .post { padding: 18px 14px; }
  .post-body p:has(> a > img) { grid-template-columns: 1fr 1fr; gap: 6px; }
  .cards { grid-template-columns: 1fr 1fr; gap: 10px; }
  .card-ttl { font-size: 0.9rem; }
  .month-nav { padding: 16px; }
  .month-nav div { grid-template-columns: 1fr; }
}