:root{--bg:#f7f6f3;--fg:#222;--muted:#666;--line:#ddd;--accent:#8a2b3a;--card:#fff;--max:760px}
@media (prefers-color-scheme:dark){:root{--bg:#161616;--fg:#eee;--muted:#aaa;--line:#333;--accent:#e08a97;--card:#1f1f1f}}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
main,.site-header,.site-footer{max-width:var(--max);margin:0 auto;padding:0 16px}
.site-header{padding-top:24px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.site-header .brand{font-size:1.3rem;font-weight:700;text-decoration:none;color:var(--fg)}
.site-header .tagline{margin:4px 0 0;color:var(--muted);font-size:.9rem}
main{padding-top:24px;padding-bottom:48px}
h1{font-size:1.6rem;line-height:1.4;margin:0 0 12px}
h2{font-size:1.2rem;margin:40px 0 12px;padding-left:10px;border-left:4px solid var(--accent)}
h3{font-size:1.05rem;margin:28px 0 8px}
p{margin:0 0 1.1em}
.lead{color:var(--muted)}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:4px}
.tag{display:inline-block;margin-left:8px;padding:0 8px;border:1px solid var(--line);border-radius:999px;font-size:.8rem}
ul,ol{padding-left:1.4em}
li{margin:.3em 0}
table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.95rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:rgba(0,0,0,.04)}
blockquote{margin:1em 0;padding:8px 16px;border-left:3px solid var(--line);color:var(--muted)}
.articles{list-style:none;padding:0}
.articles li{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:12px 0}
.articles a{text-decoration:none;color:var(--fg);display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.articles .title{font-weight:600}
.articles .date{color:var(--muted);font-size:.85rem;white-space:nowrap}
.articles p{margin:6px 0 0;color:var(--muted);font-size:.92rem}
.post-footer,.disclosure{color:var(--muted);font-size:.85rem}
.back{margin-top:32px}
.site-footer{border-top:1px solid var(--line);padding:24px 16px 40px;color:var(--muted);font-size:.85rem}
.item-card{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px;margin:1em 0}
.item-card img{width:120px;height:auto;flex:none}
.item-card .item-title{display:block;font-weight:600}
.item-card .item-meta{margin:4px 0;color:var(--muted);font-size:.9rem}
.item-card .item-cta a{display:inline-block;padding:6px 14px;border:1px solid var(--accent);border-radius:6px;text-decoration:none}
#age-gate{position:fixed;inset:0;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}
#age-gate[hidden]{display:none}
.age-gate-box{background:var(--card);color:var(--fg);max-width:420px;padding:28px 24px;border-radius:12px;text-align:center}
.age-gate-box p{margin:0 0 .8em}
.age-gate-buttons{display:flex;gap:12px;justify-content:center;margin-top:16px}
.age-gate-buttons button{font-size:1rem;padding:10px 18px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer}
.age-gate-buttons #age-no{background:transparent;color:var(--fg);border-color:var(--line)}
.site-nav{display:flex;flex-wrap:wrap;gap:6px 14px;margin:8px 0 0;font-size:.9rem}
.site-nav a{white-space:nowrap}
.site-nav a{text-decoration:none;color:var(--muted)}
.site-nav a:hover{color:var(--accent)}
table.items td img{display:block}
table.items small{color:var(--muted)}
.groups{columns:2;column-gap:24px;list-style:none;padding:0}
.groups li{break-inside:avoid;margin:4px 0}
@media (max-width:600px){.groups{columns:1}}
/* v0.3 cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:12px 0 24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.card .thumb{display:block;aspect-ratio:3/2;background:rgba(0,0,0,.05)}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card .noimg{width:100%;height:100%}
.card .body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:4px}
.card h3{font-size:.98rem;line-height:1.45;margin:0}
.card h3 a{color:var(--fg);text-decoration:none}
.card .sub,.card .acts,.card .metrics{font-size:.82rem;color:var(--muted);margin:0}
.card .acts a{color:var(--muted)}
.card .tags{margin:0}
.card .tag{margin:0 6px 0 0;text-decoration:none;color:var(--muted)}
.card .pricing{margin:4px 0 0;font-size:.95rem}
.card .pricing s{color:var(--muted);font-size:.85rem}
.card .price{font-weight:700}
.off{color:var(--accent);font-weight:700;font-size:.85rem;margin-left:4px}
.badge{display:inline-block;margin-left:6px;padding:0 7px;border-radius:4px;font-size:.75rem;vertical-align:middle}
.badge.lowest{background:#c8102e;color:#fff}
.badge.sale{background:var(--accent);color:#fff;opacity:.85}
.cp{border:1px solid var(--line);border-radius:4px;padding:0 6px;font-size:.78rem}
.card .actions{display:flex;gap:6px;align-items:center;margin:6px 0 0}
.btn{display:inline-block;padding:6px 10px;border-radius:6px;background:var(--accent);color:#fff;text-decoration:none;font-size:.85rem;white-space:nowrap}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.fav{min-width:44px;min-height:44px}
.fav,.fav-group{margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:999px;padding:3px 9px;cursor:pointer;color:var(--fg);font-size:.95rem}
.fav.on,.fav-group.on{color:#c8102e;border-color:#c8102e}
section h2 .more{font-size:.8rem;font-weight:400;margin-left:10px}
.item-detail .card{max-width:520px}
.verdict{font-size:1.05rem;padding:10px 14px;border-left:4px solid var(--accent);background:var(--card)}
.status{font-size:.8rem}
.feed a{font-size:.9rem}
#search-form input[type=search]{width:100%;font-size:1rem;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg)}
#search-form input[type=number],#search-form select{font-size:.95rem;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--fg)}
#group-filter{width:100%;font-size:1rem;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg)}
.badge.ended{background:var(--muted)}
.until{color:var(--muted);margin-left:4px}
/* v0.5 無料・10円から */
.free-ten h2{margin-top:0}
.free-ten h3 small{font-weight:400;color:var(--muted);margin-left:4px}
.guide-box{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.92rem}
.guide-box h3{margin:0 0 6px}
.guide-box p{margin:0 0 .6em}
.guide-box p:last-child{margin-bottom:0}