:root{--ink:#172033;--muted:#647084;--brand:#1268d3;--soft:#f3f7fc;--line:#dce4ee;--warn:#fff6dd}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.75;background:#fff}
a{color:var(--brand)}.wrap{width:min(1080px,calc(100% - 32px));margin:auto}.site-head{border-bottom:1px solid var(--line);padding:16px 0}.brand{font-weight:800;text-decoration:none;color:var(--ink)}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;padding:42px 0}.hero img{width:100%;max-height:520px;object-fit:contain;background:var(--soft);border-radius:14px}.eyebrow{color:var(--brand);font-weight:700}.hero h1{font-size:clamp(1.8rem,4vw,3rem);line-height:1.35;margin:.25em 0}.lead{font-size:1.05rem;color:#39465a}
.cta{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;font-weight:800;padding:15px 24px;border-radius:9px;margin-top:12px}.disclosure{font-size:.82rem;color:var(--muted)}
section{padding:28px 0}h2{font-size:1.55rem;border-left:5px solid var(--brand);padding-left:12px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}.card .label{font-size:.82rem;color:var(--muted)}.card .value{font-size:1.25rem;font-weight:800}.formula{font-size:.82rem;color:var(--muted)}
.checks{width:100%;border-collapse:collapse}.checks th,.checks td{padding:12px;border-bottom:1px solid var(--line);text-align:left}.needs{color:#9b5c00;font-weight:700}.note{background:var(--warn);padding:18px;border-radius:10px}.details li{margin:.55em 0}.site-foot{margin-top:40px;padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}
.listing{background:var(--soft);min-height:75vh;padding:36px 0}.products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.product img{width:100%;height:220px;object-fit:contain;background:#eef2f7}.product-body{padding:18px}.product h2{font-size:1.08rem;border:0;padding:0}.product a{text-decoration:none}.price{font-size:1.2rem;font-weight:800}.updated{display:inline-block;margin-top:6px;color:#4d596c}
@media(max-width:760px){.hero{grid-template-columns:1fr}.grid,.products{grid-template-columns:1fr}.hero{padding-top:24px}}