*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#fff5f5;--accent:#c53030;--ink:#1a202c;--card:#fff}
body{font-family:'Noto Sans JP',sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--accent)}
.site-header{display:flex;align-items:center;gap:1rem;padding:1rem 2rem;background:var(--card);border-bottom:2px solid var(--accent);flex-wrap:wrap;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.brand{font-family:'Noto Serif JP',serif;font-size:1.25rem;font-weight:600;text-decoration:none;color:var(--ink)}
.site-nav{display:flex;flex-wrap:wrap;gap:1rem;margin-left:auto}
.site-nav a{text-decoration:none;color:var(--ink);font-size:.88rem}
.menu{display:none;border:none;background:var(--accent);color:#fff;padding:.4rem .7rem;border-radius:4px;cursor:pointer;margin-left:auto}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:2rem;padding:3rem 2rem;max-width:1100px;margin:0 auto;align-items:center;min-height:42vh}
.hero-inner h1{font-family:'Noto Serif JP',serif;font-size:clamp(1.6rem,4vw,2.4rem);line-height:1.35;margin:.75rem 0}
.eyebrow{font-size:.8rem;letter-spacing:.12em;color:var(--accent)}
.hero-cta{display:inline-block;background:var(--accent);color:#fff;padding:.85rem 1.75rem;text-decoration:none;border-radius:4px;font-weight:600;margin-top:1rem}
.hero-visual img{border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.12)}
.section{padding:3.5rem 2rem;max-width:1100px;margin:0 auto}
.section h2{font-family:'Noto Serif JP',serif;font-size:1.6rem;border-left:4px solid var(--accent);padding-left:.75rem;margin-bottom:.5rem}
.section-lead{margin-bottom:2rem;opacity:.85}
.product-wrap article{background:var(--card);padding:1rem;border-radius:8px;margin-bottom:1rem}
.product-wrap img{width:100%;aspect-ratio:4/3;border-radius:6px;margin-bottom:.75rem}
.price{font-weight:700;color:var(--accent);margin:.35rem 0 .5rem}
.buy-btn{width:100%;border:2px solid var(--accent);background:transparent;color:var(--accent);padding:.5rem;cursor:pointer;border-radius:4px;font-weight:600}
.buy-btn:hover{background:var(--accent);color:#fff}
.products.checklist .product-wrap article{display:grid;grid-template-columns:100px 1fr auto;gap:1rem}
.feat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin:2rem 0}
.feat span{font-size:1.8rem;font-weight:700;color:var(--accent);opacity:.4}
.feat-banner{width:100%;border-radius:12px;max-height:300px;margin-top:1rem}
.reviews blockquote{background:var(--card);padding:1.25rem;margin-bottom:1rem;border-radius:8px;border-left:4px solid var(--accent)}
.reviews cite{display:block;margin-top:.5rem;font-size:.85rem;opacity:.7}
.faq details{background:var(--card);padding:1rem;margin-bottom:.75rem;border-radius:8px}
.faq summary{cursor:pointer;font-weight:600}
.contact-form{max-width:480px;display:grid;gap:.75rem}
.contact-form input,.contact-form textarea{width:100%;padding:.6rem;border:1px solid #ccc;border-radius:4px;font-family:inherit}
.contact-form button{background:var(--accent);color:#fff;border:none;padding:.75rem;cursor:pointer;border-radius:4px;font-weight:600}
.legal{background:var(--ink);color:#e2e8f0;padding:3rem 2rem;margin-top:2rem}
.legal dl{display:grid;grid-template-columns:auto 1fr;gap:.35rem .75rem;font-size:.88rem;margin:1rem 0}
.legal h3,.legal h4{color:var(--accent);margin:1.25rem 0 .5rem}
.legal a{color:#90cdf4}
.toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--ink);color:#fff;padding:1rem 1.5rem;border-radius:8px;transform:translateY(150%);transition:transform .3s;z-index:200}
.toast.show{transform:translateY(0)}
@media(max-width:768px){.menu{display:block}.site-nav{display:none;width:100%;flex-direction:column}.site-nav.open{display:flex}.hero{grid-template-columns:1fr}.products.masonry .product-wrap,.products.columns .product-wrap{columns:1}.products.comic .product-wrap{grid-template-columns:1fr 1fr}.products.terminal .product-wrap article{grid-template-columns:1fr}}