:root{
  --bg:#ffffff;
  --text:#161616;
  --muted:#6f6f6f;
  --line:#e9e9e9;
  --soft:#f6f6f6;
  --soft-2:#f1f1f1;
  --accent:#e11d48;
  --accent-dark:#be123c;
  --black:#111111;
  --yellow:#f59e0b;
  --green:#059669;
  --blue:#2563eb;
  --radius:18px;
  --shadow:0 20px 60px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans JP","Helvetica Neue",Arial,sans-serif;line-height:1.65;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit}
.container{width:min(1180px,calc(100% - 32px));margin-inline:auto}
.notice-pr{background:#111;color:#fff;font-size:12px;line-height:1.5;padding:8px 0;text-align:center}.notice-pr a{text-decoration:underline}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-main{display:flex;align-items:center;gap:18px;padding:14px 0}.logo{display:flex;align-items:center;font-weight:900;font-size:21px;letter-spacing:-.02em;white-space:nowrap}.logo-mark{width:11px;height:11px;background:var(--accent);border-radius:99px;margin-left:8px}.site-search{flex:1;position:relative}.site-search input{width:100%;border:1px solid var(--line);background:var(--soft);border-radius:999px;padding:13px 48px 13px 18px;outline:none}.site-search input:focus{border-color:#111;background:#fff}.search-icon{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:17px}.main-nav{display:flex;gap:14px;font-size:13px;font-weight:700;white-space:nowrap}.main-nav a{color:#333}.main-nav a:hover{color:var(--accent)}.category-scroll{display:flex;gap:10px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none}.category-scroll::-webkit-scrollbar{display:none}.cat-pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:700;white-space:nowrap}.cat-pill:hover,.cat-pill.is-active{background:#111;color:#fff;border-color:#111}.hero{padding:42px 0 28px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:#fff0f3;color:var(--accent-dark);border:1px solid #ffd5de;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:800}.hero h1{font-size:clamp(34px,5.2vw,68px);line-height:1.04;letter-spacing:-.06em;margin:18px 0}.hero p{color:#3d3d3d;font-size:16px;max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 18px;border:1px solid #111;background:#111;color:#fff;font-weight:800;font-size:14px;min-height:44px;cursor:pointer;transition:.18s ease}.btn:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(0,0,0,.12)}.btn.secondary{background:#fff;color:#111}.btn.ghost{background:transparent;color:#111;border-color:var(--line)}.btn.rakuten{background:#bf0000;border-color:#bf0000}.btn.small{padding:9px 12px;font-size:12px;min-height:36px}.hero-panel{background:linear-gradient(135deg,#f5f5f5,#fff);border:1px solid var(--line);border-radius:28px;padding:18px;box-shadow:var(--shadow)}.hero-card-stack{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini-product{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}.mini-product img{aspect-ratio:3/4;object-fit:cover;width:100%}.mini-product .mini-info{padding:10px}.mini-brand{font-weight:900;font-size:12px}.mini-price{font-weight:900}.section{padding:42px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-title{margin:0;font-size:clamp(24px,3.2vw,38px);line-height:1.18;letter-spacing:-.04em}.section-lead{margin:8px 0 0;color:var(--muted);font-size:14px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px 16px}.product-card{position:relative;background:#fff;border:1px solid transparent;border-radius:14px;overflow:hidden;transition:.18s ease}.product-card:hover{border-color:#d9d9d9;transform:translateY(-2px)}.product-image-wrap{position:relative;background:#f4f4f4;border-radius:14px;overflow:hidden}.product-image{width:100%;aspect-ratio:3/4;object-fit:cover}.product-badges{position:absolute;left:8px;top:8px;display:flex;flex-wrap:wrap;gap:6px;z-index:3}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 7px;font-size:10px;font-weight:900;line-height:1;background:#111;color:#fff}.badge.one{background:#111}.badge.data{background:#fff;color:#111;border:1px solid rgba(0,0,0,.12)}.status-badge{position:absolute;right:8px;top:8px;z-index:3;border-radius:999px;padding:5px 8px;font-size:10px;font-weight:900;background:#fff;color:#111;border:1px solid rgba(0,0,0,.13)}.status-available{background:#ecfdf5;color:#047857}.status-low_stock{background:#fff7ed;color:#c2410c}.status-checking{background:#eff6ff;color:#1d4ed8}.status-sold_out{background:#111;color:#fff}.status-unknown{background:#f4f4f5;color:#52525b}.sold-overlay{position:absolute;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:2}.sold-overlay span{color:#fff;font-size:clamp(26px,3vw,38px);font-weight:950;letter-spacing:.06em;border:2px solid rgba(255,255,255,.8);padding:10px 14px;transform:rotate(-8deg)}.product-info{padding:11px 2px 0}.brand-row{display:flex;justify-content:space-between;gap:10px;align-items:center}.brand-name{font-weight:950;font-size:13px;letter-spacing:.02em}.product-name{font-size:13px;color:#555;margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}.price{font-weight:950;font-size:16px;margin-top:5px}.meta{font-size:11px;color:var(--muted);margin-top:2px}.score-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.score-pill{font-size:10px;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:4px 7px;font-weight:800}.card-actions{display:grid;gap:7px;margin-top:10px}.card-actions .btn{width:100%}.sold-links{display:grid;grid-template-columns:1fr;gap:7px}.layout-with-sidebar{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}.filter-panel{position:sticky;top:125px;border:1px solid var(--line);border-radius:22px;padding:16px;background:#fff}.filter-panel h2{font-size:16px;margin:0 0 14px}.filter-group{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.filter-group label{font-size:12px;font-weight:900;display:block;margin-bottom:7px}.filter-group select,.filter-group input{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 11px;background:#fff}.segmented{display:grid;grid-template-columns:1fr;gap:7px}.segmented button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 11px;font-size:12px;font-weight:800;cursor:pointer}.segmented button.is-active{background:#111;color:#fff;border-color:#111}.items-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.result-count{font-size:13px;color:var(--muted);font-weight:800}.sort-wrap{display:flex;align-items:center;gap:8px}.sort-wrap select{border:1px solid var(--line);border-radius:999px;padding:10px 14px;background:#fff;font-weight:800;font-size:13px}.mobile-filterbar{display:none;position:fixed;left:0;right:0;bottom:0;padding:10px 16px;background:rgba(255,255,255,.95);border-top:1px solid var(--line);z-index:80;backdrop-filter:blur(12px)}.mobile-filterbar .btn{width:100%}.drawer{display:none}.info-band{background:#111;color:#fff;border-radius:28px;padding:26px;margin-top:20px}.info-band h2{margin:0 0 8px;font-size:26px;letter-spacing:-.04em}.info-band p{margin:0;color:#d8d8d8}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature-card{background:var(--soft);border:1px solid var(--line);border-radius:24px;padding:20px}.feature-card h3{margin:0 0 8px;font-size:18px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.brand-grid,.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.brand-card,.shop-card{border:1px solid var(--line);border-radius:24px;padding:20px;background:#fff;transition:.18s}.brand-card:hover,.shop-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.brand-card h3,.shop-card h3{margin:0 0 8px;font-size:22px}.brand-card p,.shop-card p{margin:0;color:var(--muted);font-size:14px}.brand-card .stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.article{width:min(850px,calc(100% - 32px));margin:0 auto;padding:48px 0}.article h1{font-size:clamp(30px,5vw,54px);line-height:1.1;letter-spacing:-.05em}.article h2{font-size:26px;margin-top:36px;border-top:1px solid var(--line);padding-top:26px}.article p,.article li{color:#404040}.article .note{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:16px}.site-footer{border-top:1px solid var(--line);padding:38px 0;background:#fafafa;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:24px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.footer-links a{display:block;color:#555;font-size:13px;margin:6px 0}.footer-brand{font-weight:950;font-size:22px}.small-text{font-size:12px;color:var(--muted)}.empty-state{padding:40px;background:var(--soft);border:1px solid var(--line);border-radius:24px;text-align:center}.page-kv{padding:42px 0 22px}.page-kv h1{font-size:clamp(32px,5vw,58px);line-height:1.06;letter-spacing:-.05em;margin:0}.page-kv p{color:var(--muted);max-width:760px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:14px}.mobile-only{display:none}.desktop-only{display:block}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.layout-with-sidebar{grid-template-columns:1fr}.filter-panel{display:none}.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-grid,.brand-grid,.shop-grid{grid-template-columns:1fr 1fr}.main-nav{display:none}.mobile-filterbar{display:block}.drawer{display:block;position:fixed;inset:auto 0 0 0;background:#fff;border-radius:24px 24px 0 0;box-shadow:0 -20px 70px rgba(0,0,0,.22);z-index:100;max-height:82vh;overflow:auto;transform:translateY(105%);transition:.22s ease;padding:16px}.drawer.is-open{transform:translateY(0)}.drawer-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.32);z-index:90}.drawer-backdrop.is-open{display:block}.drawer .filter-panel{display:block;position:static;border:none;padding:0}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.mobile-only{display:block}.desktop-only{display:none}body.has-mobile-bar{padding-bottom:70px}}
@media(max-width:680px){.container{width:min(100% - 24px,1180px)}.notice-pr{text-align:left;padding:8px 12px}.header-main{display:grid;grid-template-columns:1fr auto;gap:10px}.site-search{grid-column:1 / -1}.hero{padding:28px 0 18px}.hero-card-stack{grid-template-columns:1fr 1fr}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 10px}.product-card{border-radius:12px}.product-image-wrap{border-radius:12px}.product-name{font-size:12px;min-height:38px}.brand-name{font-size:12px}.price{font-size:14px}.score-row{gap:4px}.score-pill{font-size:9px;padding:4px 5px}.card-actions .btn{font-size:11px;padding:8px 9px;min-height:36px}.section{padding:34px 0}.section-head{align-items:start;display:block}.items-toolbar{align-items:stretch;flex-direction:column}.sort-wrap{justify-content:space-between}.sort-wrap select{flex:1}.feature-grid,.brand-grid,.shop-grid{grid-template-columns:1fr}.hero h1{letter-spacing:-.055em}.footer-links{grid-template-columns:1fr}.article{padding:34px 0}.cat-pill{font-size:12px;padding:8px 12px}}