/* ブログ共通スタイル */
:root{--bg:#fff;--surface:#f5f5f7;--surface-2:#fafafa;--border:#e8e8ed;--line:#d2d2d7;
  --text:#1d1d1f;--text-2:#6e6e73;--text-3:#86868b;--accent:#ff6b35;--link:#0071e3;--combo:#a855f7}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Hiragino Sans","Noto Sans JP",sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;letter-spacing:-0.005em;max-width:760px;margin:0 auto;padding:24px 18px 80px}
.crumb{font-size:11px;color:var(--text-3);margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}
.crumb a{color:var(--link);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.lang-toggle a{color:var(--text-3);text-decoration:none;padding:3px 9px;border:1px solid var(--border);border-radius:14px;margin-left:4px;font-size:11px;font-weight:600}
.lang-toggle a.on{background:var(--text);color:#fff;border-color:var(--text)}
header.post-head{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border);position:relative;overflow:hidden}
header.post-head::after{
  content:"";position:absolute;top:0;right:-20px;width:100px;height:100px;
  background:radial-gradient(circle at center,rgba(255,107,53,0.08),transparent 70%);
  pointer-events:none;
}
.vf-credit-mini{
  display:inline-flex;align-items:center;gap:8px;margin-top:10px;font-size:10px;color:var(--text-3);letter-spacing:0.04em;
}
.vf-credit-mini a{display:inline-flex;align-items:center;gap:5px;text-decoration:none;color:var(--text-3);padding:3px 9px;border:1px solid var(--border);border-radius:980px;background:#fff}
.vf-credit-mini a:hover{border-color:var(--text-2);color:var(--text-2)}
.vf-credit-mini a img{height:10px;width:auto;filter:invert(0.5)}
h1{font-size:clamp(26px,4.4vw,38px);font-weight:700;letter-spacing:-0.025em;line-height:1.25;margin-bottom:14px;color:var(--text)}
.meta{font-size:12px;color:var(--text-3);display:flex;gap:14px;flex-wrap:wrap}
.meta b{color:var(--text-2);font-weight:500;margin-right:2px}
h2{font-size:22px;font-weight:700;letter-spacing:-0.02em;color:var(--text);margin:36px 0 14px;padding-bottom:6px;border-bottom:1px solid var(--border)}
h3{font-size:17px;font-weight:600;color:var(--text);margin:22px 0 8px}
p{margin-bottom:16px;color:var(--text);line-height:1.85}
ul,ol{margin:0 0 16px 26px}
ul li,ol li{margin-bottom:5px;line-height:1.8}
strong{color:var(--text);font-weight:600;background:linear-gradient(transparent 60%,rgba(255,107,53,0.18) 60%)}
code{background:var(--surface);padding:2px 6px;border-radius:4px;font-family:"SF Mono",Menlo,monospace;font-size:13px}
.callout{background:var(--surface);border-left:3px solid var(--accent);padding:14px 18px;margin:20px 0;border-radius:0 6px 6px 0;font-size:14px;line-height:1.75;color:var(--text-2)}
.callout b{color:var(--text)}
.product-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;margin:18px 0;display:flex;gap:14px;flex-wrap:wrap}
.product-card .thumb{flex-shrink:0;width:64px;height:64px;background:#fff;border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:28px}
.product-card .info{flex:1;min-width:200px}
.product-card .name{color:var(--text);font-weight:600;font-size:15px;margin-bottom:4px}
.product-card .desc{font-size:13px;color:var(--text-2);line-height:1.65;margin-bottom:8px}
.price{display:inline-block;font-family:"SF Mono",Menlo,monospace;font-weight:600;color:var(--accent);font-size:13px;margin-right:8px}
.price-note{font-size:10px;color:var(--text-3)}
.links{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.links a{display:inline-block;font-size:11px;font-weight:600;padding:5px 12px;border-radius:980px;text-decoration:none}
.amazon{background:#FF9900;color:#000}
.amazon:hover{background:#ffb84d}
.rakuten{background:#bf0000;color:#fff}
.rakuten:hover{background:#e60000}
.official{background:var(--bg);color:var(--text);border:1px solid var(--border)}
.official:hover{border-color:var(--text)}
.aff-disclosure{background:#fff7e6;border:1px solid #fcd34d;color:#92400e;padding:12px 16px;border-radius:8px;font-size:11px;margin:30px 0;line-height:1.7}
footer.post-foot{margin-top:50px;padding-top:24px;border-top:1px solid var(--border);font-size:12px;color:var(--text-3);text-align:center;line-height:1.8}
footer.post-foot a{color:var(--link);text-decoration:none;margin:0 8px}
.tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}
.tag-row .t{font-size:11px;background:var(--surface);color:var(--text-2);padding:3px 10px;border-radius:980px;font-weight:500}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:13px;border:1px solid var(--border);border-radius:8px;overflow:hidden}
th,td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--surface);font-weight:600;font-size:12px;color:var(--text-2)}
tr:last-child td{border-bottom:none}