:root{--bg:#f4f2ec;--surface:#fff;--ink:#1d2021;--muted:#61656a;--line:#d9d5ca;--olive:#4b5a3a;--steel:#2e3a44;--accent:#e2711d;--accent-ink:#fff;--radius:10px;--max:1120px;--font:"Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, system-ui, sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#15181a;--surface:#1e2225;--ink:#e9e7e1;--muted:#a3a7ab;--line:#33393e;--olive:#8fa36f;--steel:#a9bccb}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font-family:var(--font);margin:0;line-height:1.8}img{max-width:100%;height:auto;display:block}a{color:inherit}h1,h2,h3{letter-spacing:.02em;line-height:1.35}.container{width:min(100% - 32px, var(--max));margin-inline:auto}.muted{color:var(--muted)}.section{padding:56px 0}.section-title{align-items:baseline;gap:12px;margin:0 0 24px;font-size:1.5rem;display:flex}.section-title small{color:var(--accent);letter-spacing:.15em;font-size:.8rem;font-weight:700}.site-header{background:var(--steel);color:#fff;z-index:10;position:sticky;top:0}@media (prefers-color-scheme:dark){.site-header{background:#0d1012}}.header-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:10px 0;display:flex}.logo{letter-spacing:.08em;align-items:center;gap:8px;margin:0;font-weight:800;text-decoration:none;display:inline-flex}.logo b{color:var(--accent);font-weight:800}.site-header nav ul{flex-wrap:wrap;align-items:center;gap:4px 18px;margin:0;padding:0;font-size:.92rem;list-style:none;display:flex}.site-header nav a{opacity:.9;text-decoration:none}.site-header nav a:hover,.site-header nav a[aria-current=page]{opacity:1;text-underline-offset:6px;text-decoration:underline}.btn{background:var(--accent);border-radius:999px;padding:12px 22px;font-weight:700;display:inline-block;color:var(--accent-ink)!important;opacity:1!important;text-decoration:none!important}.btn:hover{filter:brightness(1.08)}.btn-sm{padding:6px 14px;font-size:.85rem}.btn-ghost{background:0 0;border:2px solid;color:inherit!important}.breadcrumbs{color:var(--muted);flex-wrap:wrap;gap:6px;padding-top:16px;font-size:.82rem;display:flex}.breadcrumbs a:after{content:"›";margin-left:6px}.breadcrumbs a{text-decoration:none}.hero{background:linear-gradient(135deg, var(--steel), #1b2329);color:#fff;padding:72px 0;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:32px 32px;position:absolute;inset:0}.hero .container{z-index:1;position:relative}.hero .eyebrow{color:var(--accent);letter-spacing:.2em;margin:0;font-size:.8rem;font-weight:700}.hero h1{margin:8px 0 16px;font-size:clamp(1.7rem,4.5vw,2.8rem)}.hero p{opacity:.9;max-width:640px}.hero .actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;display:grid}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;text-decoration:none;transition:transform .15s;display:flex;overflow:hidden}.card:hover{transform:translateY(-3px)}.card img{aspect-ratio:4/3;object-fit:cover;background:var(--line);width:100%}.card-body{flex-direction:column;flex:1;gap:6px;padding:14px 16px 18px;display:flex}.card h3{margin:0;font-size:1rem}.card p{color:var(--muted);margin:0;font-size:.86rem}.tags{flex-wrap:wrap;gap:6px;display:flex}.tag{background:var(--olive);color:#fff;border-radius:4px;padding:2px 8px;font-size:.72rem;font-weight:700}.tag.alt{color:var(--muted);border:1px solid var(--line);background:0 0}.price{margin-top:auto;font-size:1.05rem;font-weight:800}.features{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;display:grid}.feature{background:var(--surface);border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:18px 20px}.feature h3{margin:0 0 6px;font-size:1.05rem}.feature p{color:var(--muted);margin:0;font-size:.9rem}.filter{flex-wrap:wrap;gap:8px;margin-bottom:24px;display:flex}.filter a{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 14px;font-size:.85rem;text-decoration:none}.filter a[aria-current=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.prose{max-width:760px;margin-inline:auto}.prose h1{margin-bottom:8px;font-size:clamp(1.5rem,3.5vw,2.1rem)}.prose h2{border-bottom:2px solid var(--line);margin-top:2.4em;padding-bottom:6px;font-size:1.35rem}.prose h3{margin-top:1.8em;font-size:1.12rem}.prose img{border-radius:var(--radius);margin:1.5em 0}.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);text-align:left;padding:8px 10px}.prose blockquote{border-left:4px solid var(--olive);background:var(--surface);margin:1.5em 0;padding:12px 18px}.prose code{background:var(--surface);border-radius:4px;padding:1px 5px}.meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:12px;font-size:.85rem;display:flex}.hero-img{border-radius:var(--radius);aspect-ratio:16/9;object-fit:cover;width:100%;margin:24px 0}.cta-box{background:var(--steel);color:#fff;border-radius:var(--radius);margin:48px 0 0;padding:24px}.cta-box h2{border:0;margin:0 0 8px;font-size:1.15rem}.draft-badge{color:#fff;background:#b3261e;border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:700}.product-detail{grid-template-columns:1fr;gap:32px;display:grid}@media (width>=800px){.product-detail{grid-template-columns:1.1fr 1fr}}.product-detail img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%}.spec{border-collapse:collapse;width:100%;margin:16px 0}.spec th,.spec td{border-bottom:1px solid var(--line);text-align:left;padding:8px 4px}.spec th{width:7em;color:var(--muted);font-weight:600}details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;padding:14px 18px}summary{cursor:pointer;font-weight:700}.site-footer{background:var(--steel);color:#e6e9ec;margin-top:64px;padding:40px 0 16px}@media (prefers-color-scheme:dark){.site-footer{background:#0d1012}}.site-footer .muted{color:#b4bcc3}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:24px;display:flex}.footer-links{grid-template-columns:repeat(2,auto);gap:4px 32px;margin:0;padding:0;font-size:.9rem;list-style:none;display:grid}.footer-links a{text-decoration:none}.copyright{color:#9aa3ab;margin-top:24px;font-size:.78rem}