:root{--bg:#fbfaf7;--fg:#24231f;--muted:#6b6860;--card:#fff;--line:#e7e3da;--accent:#e2632e;--accent-fg:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#18181a;--fg:#ecebe6;--muted:#a6a39b;--card:#232326;--line:#34343a;--accent:#f08a55;--accent-fg:#18181a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,"Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.7}
a{color:inherit}
.top{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.logo{font-weight:700;font-size:1.15rem;text-decoration:none}
.top nav{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.92rem}
.top nav a{text-decoration:none;color:var(--muted);padding:6px 0}
main{max-width:1100px;margin:0 auto;padding:16px}
.hero{padding:16px 0 8px}.hero h1{margin:0 0 4px;font-size:1.6rem}
h1{font-size:1.4rem;line-height:1.4}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;text-decoration:none}
.card img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;background:#fff}
.card span{display:block;padding:8px 10px;font-size:.85rem;line-height:1.4}
.main{display:block;max-width:100%;height:auto;border-radius:10px;border:1px solid var(--line);background:#fff}
.btn{display:inline-block;background:var(--accent);color:var(--accent-fg);padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:700}
.note,.crumb{color:var(--muted);font-size:.9rem}
.tags span{display:inline-block;margin:0 8px 4px 0;color:var(--muted);font-size:.85rem}
footer{border-top:1px solid var(--line);padding:16px;text-align:center;color:var(--muted);font-size:.85rem}
footer a{margin:0 8px}
.pr-notice{font-size:inherit;color:var(--muted);margin:0 0 8px}
.pr{margin:24px 0;padding:12px 16px;border:1px dashed var(--line);border-radius:10px}
.pr-label{margin:0 0 6px;font-size:.85rem;color:var(--muted)}
.pr ul{margin:0;padding-left:1.2em}