:root {
  --bg: #fafaf7; --fg: #1c1c1a; --muted: #6b6b66; --card: #ffffff; --line: #dcdcd4; --accent: #0a7d6e; --accent-fg: #fff;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1012; --fg: #dfe6e2; --muted: #8b958f; --card: #171a1d; --line: #2a2f33; --accent: #3ddbb6; --accent-fg: #06201a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, "Hiragino Sans", "Noto Sans JP", sans-serif; }
a { color: var(--accent); }
.site-header { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: baseline; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--fg); letter-spacing: .04em; }
.site-header nav { display: flex; gap: 16px; flex-wrap: wrap; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--accent); }
.nav-count { font-size: .8rem; color: var(--muted); }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.site-footer { max-width: 1200px; margin: 24px auto; padding: 16px; color: var(--muted); font-size: .85rem; border-top: 1px solid var(--line); }
h1 { font-size: 1.5rem; line-height: 1.3; margin: .4em 0 .6em; overflow-wrap: anywhere; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px; }
.toolbar input[type=search] { flex: 1 1 220px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); font: inherit; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--fg); padding: 4px 12px; border-radius: 999px; cursor: pointer; font: inherit; font-size: .85rem; }
.chip[aria-pressed=true] { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; text-decoration: none; color: var(--fg); }
.card:hover { border-color: var(--accent); }
.card .thumb { aspect-ratio: 4 / 3; background: var(--line); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.noimg { color: var(--muted); font-size: .8rem; }
.card .meta { display: flex; gap: 8px; padding: 8px 10px 0; font-size: .75rem; color: var(--muted); }
.card h3 { margin: 4px 10px 10px; font-size: .9rem; line-height: 1.4; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.badge { padding: 0 8px; border-radius: 4px; background: var(--line); color: var(--fg); }
.badge-reddit { background: #ff4500; color: #fff; } .badge-youtube { background: #c4302b; color: #fff; }
.hidden { display: none !important; }
.source-btn { display: inline-block; background: var(--accent); color: var(--accent-fg); padding: 10px 18px; border-radius: 8px; text-decoration: none; font-weight: 700; }
.gallery { display: grid; gap: 12px; margin: 16px 0; }
.gallery img { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--line); display: block; }
.dl { margin: 16px 0; } .dl dt { color: var(--muted); font-size: .8rem; margin-top: 10px; }
.dl dd { margin: 0; overflow-wrap: anywhere; }
.tags a { display: inline-block; margin: 0 6px 6px 0; padding: 2px 10px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-size: .85rem; }
.comment { white-space: pre-wrap; background: var(--card); border: 1px solid var(--line); padding: 10px 14px; border-radius: 8px; }
.prose { max-width: 760px; } .prose img { max-width: 100%; }
.results { list-style: none; padding: 0; } .results li { padding: 8px 0; border-bottom: 1px solid var(--line); }