:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; color: #26382f; background: #fff; line-height: 1.7; }
* { box-sizing: border-box; }
body { margin: 0; }
.feed { max-width: 1080px; margin: 0 auto; padding: 28px 20px 32px; }
.feed-header { margin-bottom: 24px; }
.eyebrow { color: #526c5b; font-size: 12px; font-weight: 700; letter-spacing: .18em; margin: 0 0 4px; }
h1 { font-size: clamp(20px, 4.5vw, 28px); line-height: 1.5; margin: 0; overflow-wrap: anywhere; }
.intro { font-size: 14px; margin: 8px 0 0; }
.posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.post { min-width: 0; }
.post-link { display: block; color: inherit; text-decoration: none; border: 1px solid #d5ded7; border-radius: 8px; overflow: hidden; background: #fff; }
.post-link:hover { border-color: #43664f; }
.post-image { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: contain; background: #f3f5f1; }
.post-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; padding: 12px; font-size: 13px; }
.badge { font-size: 12px; color: #344a3c; background: #edf2eb; border-radius: 4px; padding: 2px 7px; }
.feed-footer { margin-top: 24px; }
.profile-link { display: inline-block; min-height: 44px; border: 1px solid #43664f; border-radius: 6px; padding: 10px 18px; color: #263e2e; text-decoration: none; font-size: 14px; font-weight: 700; }
.profile-link:hover { background: #edf2eb; }
a:focus-visible { outline: 3px solid #1a64bd; outline-offset: 4px; }
.feed-footer p { margin: 10px 0 0; font-size: 12px; color: #526357; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 639px) {
  .feed { padding: 24px 16px; }
  .posts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .post-meta { padding: 10px; }
}
@media (max-width: 359px) { .posts { grid-template-columns: minmax(0, 1fr); } }