:root{color-scheme:light;--color-ink: #17191c;--color-muted: #59616a;--color-paper: #f6f7f4;--color-surface: #ffffff;--color-line: #d9ded7;--color-green: #2f6d59;--color-red: #b44f3f;--color-blue: #315d8a;--color-gold: #bd8b2e;--color-code: #25364a;--shadow-soft: 0 18px 50px rgba(23, 25, 28, .08);--radius-card: 8px;--max-page: 1120px;--space-page: clamp(20px, 4vw, 44px);font-family:Inter,Noto Sans JP,Hiragino Sans,Yu Gothic,Meiryo,system-ui,sans-serif;background:var(--color-paper);color:var(--color-ink)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#315d8a14,#fff0 260px),var(--color-paper);color:var(--color-ink);line-height:1.75}a{color:inherit;text-decoration-color:#2f6d5973;text-underline-offset:.18em}a:hover{color:var(--color-green)}img{display:block;max-width:100%}.site-shell{min-height:100vh}.site-header{border-bottom:1px solid 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12px}h1,h2,h3{line-height:1.25;margin:0}h1{font-size:clamp(2.2rem,6vw,4.4rem);max-width:10em}h2{font-size:clamp(1.55rem,3vw,2.45rem)}h3{font-size:1.1rem}p{margin:0}.lead{color:var(--color-muted);font-size:1.08rem;max-width:44rem;margin-top:20px}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border:1px solid var(--color-ink);border-radius:8px;text-decoration:none;font-weight:800;background:var(--color-ink);color:#fff}.button.secondary{background:transparent;color:var(--color-ink)}.visual-panel{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-soft);overflow:hidden}.hero-panel{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-soft);padding:clamp(22px,4vw,34px)}.hero-panel span{color:var(--color-green);display:block;font-size:.9rem;font-weight:800;margin-bottom:10px}.hero-panel strong{display:block;font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.2;margin-bottom:12px}.hero-panel p{color:var(--color-muted)}.hero-product-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:18px 0}.hero-product-strip img,.pick-card img,.product-media img,.table-product img{background:#f7f8f5;display:block;object-fit:contain;width:100%}.hero-product-strip img{aspect-ratio:1 / 1;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:8px}.visual-panel img{width:100%;aspect-ratio:4 / 3;object-fit:cover}.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;border:1px solid var(--color-line);border-radius:var(--radius-card);overflow:hidden;background:var(--color-line);margin-top:48px}.metric{background:var(--color-surface);padding:18px}.metric strong{display:block;font-size:1.45rem}.metric span{color:var(--color-muted);font-size:.9rem}.band{padding-block:56px;border-top:1px solid var(--color-line)}.section-heading{display:grid;grid-template-columns:minmax(0,.72fr) minmax(260px,1fr);gap:28px;align-items:end;margin-bottom:28px}.section-heading p{color:var(--color-muted)}.article-list,.program-list,.tool-list,.pick-grid,.product-list{display:grid;gap:14px}.article-item,.program-item,.tool-item,.notice{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);padding:20px}.article-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center}.article-item a{font-size:1.12rem;font-weight:800;text-decoration:none}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tag,.status{display:inline-flex;align-items:center;min-height:26px;padding:2px 9px;border-radius:999px;font-size:.78rem;font-weight:800}.tag{background:#315d8a1c;color:var(--color-blue)}.status{background:#2f6d591f;color:var(--color-green)}.program-item{display:grid;grid-template-columns:140px minmax(0,1fr) 120px;gap:16px}.program-item strong{color:var(--color-blue)}.program-item p,.tool-item p,.article-item p{color:var(--color-muted)}.three-columns,.pick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.pick-card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);display:grid;gap:8px;padding:20px}.pick-card img{aspect-ratio:4 / 3;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:12px}.pick-card span{color:var(--color-green);font-size:.85rem;font-weight:800}.pick-card h3{font-size:1.4rem}.pick-card p{color:var(--color-muted)}.pick-card a{font-weight:800}.compact-hero{padding-bottom:20px}.compact-hero 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minmax(0,1fr);overflow:hidden}.product-rank{display:grid;place-items:center;background:var(--color-ink);color:#fff;font-size:1.4rem;font-weight:900}.product-main{display:grid;gap:16px;padding:20px}.product-media{align-items:center;background:#fbfcf9;border-right:1px solid var(--color-line);display:flex;justify-content:center;padding:18px}.product-media img{aspect-ratio:1 / 1;max-height:220px}.product-heading{display:grid;gap:4px}.product-heading h3{font-size:clamp(1.2rem,2.4vw,1.7rem)}.product-heading span{color:var(--color-green);font-weight:800}.product-brand{color:var(--color-muted);font-size:.85rem;font-weight:800;text-transform:uppercase}.fit-grid,.spec-list{display:grid;gap:10px}.fit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.fit-grid div,.spec-list div,.check-list{border:1px solid rgba(217,222,215,.85);border-radius:var(--radius-card);padding:12px}.fit-grid p{color:var(--color-muted);margin-top:4px}.spec-list{grid-template-columns:repeat(3,minmax(0,1fr))}.spec-list span{color:var(--color-muted);display:block;font-size:.78rem;font-weight:800;margin-bottom:4px}.spec-list strong{display:block;font-size:.92rem}.check-list ul{margin:8px 0 0;padding-left:1.2rem}.seller-buttons{display:flex;flex-wrap:wrap;gap:10px}.seller-button{align-items:center;background:var(--color-ink);border:1px solid var(--color-ink);border-radius:8px;color:#fff;display:inline-flex;font-weight:800;justify-content:center;min-height:42px;padding:9px 14px;text-decoration:none}.seller-button:hover{color:#fff;opacity:.86}.seller-button-affiliate{background:var(--color-green);border-color:var(--color-green)}.seller-button-research{background:var(--color-muted);border-color:var(--color-muted)}.prose{width:min(100% - (var(--space-page) * 2),780px);margin-inline:auto}.prose h1{max-width:none;margin-bottom:18px}.prose h2{margin-top:44px;margin-bottom:14px}.prose h3{margin-top:28px;margin-bottom:8px}.prose p,.prose ul,.prose ol,.prose table,.prose blockquote{margin-top:16px}.prose 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var(--color-line);padding-block:28px;color:var(--color-muted)}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.9rem}@media(max-width:820px){.header-inner{align-items:flex-start;flex-direction:column;padding-block:14px}.nav{width:100%;overflow-x:auto;padding-bottom:4px}.hero-grid,.section-heading,.article-item,.program-item,.pick-grid,.three-columns,.choice-grid,.fit-grid,.spec-list,.comparison-summary{grid-template-columns:1fr}.metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.main{padding-top:28px}h1{font-size:2.15rem}.metric-strip,.product-card{grid-template-columns:1fr}.product-rank{min-height:48px}.product-media{border-right:0;border-bottom:1px solid var(--color-line)}}