:root{--bg:#f6f7f4;--card:#fff;--ink:#1f2a24;--muted:#5f6b64;--line:#e2e6e1;--accent:#c8541f;--accent2:#2f6b4f;--tag:#e9efe9}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:var(--accent2)}
.promo{background:#fff6e5;color:#6b4a00;font-size:12px;text-align:center;padding:4px 8px;border-bottom:1px solid #f0dcb0}
.site-header{display:flex;justify-content:space-between;align-items:center;gap:4px;padding:2px 16px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--ink);font-size:17px;display:inline-flex;align-items:center;min-height:44px}
.site-header nav a{margin-left:4px;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;min-height:44px;padding:0 8px}
.container{max-width:680px;margin:0 auto;padding:16px}
h1{font-size:22px;margin:8px 0 12px}
h2{font-size:17px;margin:16px 0 8px}
h3{font-size:15px;margin:16px 0 6px;color:var(--accent2)}
.card ul{padding-left:20px;margin:8px 0;font-size:14px;line-height:1.9}
.lead{color:var(--muted);font-size:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:12px 0}
fieldset{border:0;padding:0;margin:0 0 18px}
legend{font-weight:700;font-size:16px;margin-bottom:8px}
label{display:block;font-size:14px;margin:8px 0}
label.row{display:flex;align-items:center;gap:10px;min-height:44px;padding:4px 0;margin:4px 0}
label.row input[type=checkbox]{flex:none;width:22px;height:22px;margin:0;accent-color:var(--accent2)}
input[type=number]{display:block;width:100%;font-size:16px;padding:10px;border:1px solid #c9d0cb;border-radius:8px;margin-top:4px;background:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:420px){.grid2{grid-template-columns:1fr}}
details{margin-top:8px}
summary{cursor:pointer;color:var(--accent2);font-size:14px;min-height:44px;display:flex;align-items:center;padding:4px 0}
.cats{display:flex;flex-direction:column;gap:6px}
.cat-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line)}
.cat-name{font-size:15px;flex:1;min-width:0}
/* JS 有効時: 1行1カテゴリのラジオを、タップで段階が変わるチップに置き換える */
.cats.js{flex-direction:row;flex-wrap:wrap;gap:8px}
.cats.js .seg{display:none}
.cats.js .cat-row{flex:none;justify-content:center;align-items:center;min-height:46px;border:1px solid #c9d0cb;border-bottom:1px solid #c9d0cb;border-radius:999px;
  padding:0 16px;background:#fff;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .12s,color .12s;-webkit-tap-highlight-color:transparent}
.cats.js .cat-row:focus-visible{outline:2px solid var(--accent2);outline-offset:2px}
.cats.js .cat-name{font-size:14px;flex:none}
.cats.js .cat-row[data-level="1"]{background:var(--tag);border-color:var(--accent2);color:var(--accent2);font-weight:700}
.cats.js .cat-row[data-level="2"]{background:var(--accent2);border-color:var(--accent2);color:#fff;font-weight:700}
.cats.js .lvl:not(:empty){font-size:11px;margin-left:5px;opacity:.9}
.seg{display:inline-flex;border:1px solid #c9d0cb;border-radius:999px;overflow:hidden;flex:none}
.seg label{margin:0}
.seg input{position:absolute;opacity:0;width:0;height:0}
.seg span{display:flex;align-items:center;justify-content:center;padding:0 12px;min-height:44px;font-size:13px;cursor:pointer;color:var(--muted);min-width:56px;text-align:center}
.seg input:checked+span{background:var(--accent2);color:#fff}
.err{color:#b00020;font-size:14px}
.hint{color:var(--muted);font-size:13px;margin:0 0 8px}
.warn{background:#fff6e5;border-left:3px solid #d9a441;color:#6b4a00;padding:8px 10px;border-radius:4px;font-size:13px;margin:6px 0 10px;line-height:1.7}
.footnote{font-size:12px;color:var(--muted);line-height:1.7;margin:8px 0 0}
.blocked{background:#fff6e5;border:1px solid #f0dcb0;color:#6b4a00;border-radius:10px;padding:12px;font-size:14px}
.btn-primary,.btn-secondary,.btn-ghost,.btn-link{display:block;text-align:center;padding:12px 16px;border-radius:10px;font-size:16px;text-decoration:none;border:0;cursor:pointer;width:100%}
.btn-primary{background:var(--accent);color:#fff;font-weight:700}
.btn-secondary{background:var(--accent2);color:#fff;font-weight:700}
.btn-ghost{background:#fff;color:var(--accent2);border:1px solid var(--accent2);margin-top:8px}
.btn-link{background:#bf0000;color:#fff;font-size:15px;padding:13px 12px;margin-top:8px;min-height:46px}
.pr{font-size:12px;opacity:.9}
.note{color:var(--muted);font-size:13px}
.summary .kv{display:flex;justify-content:space-between;gap:8px;padding:6px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.kv{display:flex;justify-content:space-between;gap:8px;padding:4px 0;flex-wrap:wrap}
.kv span:first-child{color:var(--muted);font-size:14px}
.accent{color:var(--accent);font-size:20px}
.notes{font-size:12px;color:var(--muted);padding-left:18px;margin:8px 0 0}
.explain{font-size:15px;line-height:1.8;margin:12px 0 0;padding-top:10px;border-top:1px solid var(--line)}
.items{list-style:none;padding:0;margin:12px 0}
.item{display:flex;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
/* 画像もアフィリエイトリンクなので、画像の上に［PR］を出す（景表法のステマ規制） */
.thumb{position:relative;flex:none;width:96px;height:96px;border-radius:8px;overflow:hidden;background:#eee;display:flex;align-items:center;justify-content:center}
.pr-badge{position:absolute;left:0;bottom:0;padding:1px 5px;font-size:10px;line-height:1.5;letter-spacing:.04em;color:#fff;background:rgba(19,40,63,.82);border-top-right-radius:6px}
.thumb img{width:96px;height:96px;object-fit:cover}
.noimg{font-size:11px;color:var(--muted)}
.body{min-width:0;flex:1}
.meta{font-size:12px;color:var(--muted)}
.tag{background:var(--tag);color:var(--accent2);padding:1px 8px;border-radius:999px;font-size:12px}
.name{font-size:14px;margin:4px 0;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.price{font-size:14px}
.review,.qty{margin-left:8px;color:var(--muted);font-size:13px}
.actions{margin:16px 0}
.muted{color:var(--muted);font-size:14px;display:block;text-align:center}
.others{margin-top:24px;font-size:15px}
.others a{display:inline-flex;align-items:center;min-height:44px}
.site-footer{max-width:680px;margin:24px auto;padding:16px;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}
.site-footer a{display:inline-flex;align-items:center;min-height:44px;padding:0 2px}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:6px 4px;text-align:left;vertical-align:top}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrap table{min-width:640px}
.table-wrap td:nth-child(2){min-width:220px}