:root{--background:#fff;--surface:#f5f8f6;--surface-strong:#e3f0ea;--text:#17362f;--muted:#60746f;--border:#dce5e1;--accent:#267064;--accent-dark:#155447;--warm:#f3b85a;--radius:18px;--shadow:0 10px 30px rgba(23,54,47,.07);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--background);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:min(1120px,calc(100% - 40px));margin:auto}.narrow{width:min(720px,calc(100% - 40px))}.site-header{position:sticky;top:0;z-index:10;background:#fffffff0;border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}.nav-wrap{height:66px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:1.3rem;font-weight:800;letter-spacing:-.06em;color:var(--accent-dark)}nav ul{list-style:none;display:flex;gap:18px;margin:0;padding:0}nav a{font-size:.9rem;font-weight:700;color:var(--muted);padding:.55rem .15rem}nav a:hover,nav a.active{color:var(--accent-dark)}.hero{background:linear-gradient(135deg,#e8f4ef,#f9fbf9 65%,#fff8e9);padding:72px 0 64px}.hero-inner{max-width:1120px}.eyebrow{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.08em;margin:0 0 9px;text-transform:uppercase}.hero h1,.page-hero h1,.detail-copy h1,.article-header h1,.not-found h1{font-size:clamp(2.1rem,7vw,4.4rem);line-height:1.16;letter-spacing:-.06em;margin:0}.hero p:not(.eyebrow),.page-hero p,.lead{font-size:1.05rem;color:var(--muted);margin:20px 0 28px;max-width:600px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:52px;padding:0 20px;border-radius:12px;font-weight:800;transition:.18s transform,.18s 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a{font-size:.85rem;font-weight:800;text-decoration:underline}.site-footer{padding:42px 0;background:#153d35;color:#e8f3ef}.site-footer .brand{color:#fff}.site-footer p{color:#bed4cd;font-size:.9rem;max-width:440px}.footer-links{display:flex;flex-wrap:wrap;gap:12px 18px;margin:20px 0}.footer-links a,.site-footer small{font-size:.78rem;color:#bed4cd}.page-hero{padding:65px 0 45px;border-bottom:1px solid var(--border);background:linear-gradient(135deg,#f5faf7,#fff)}.page-hero h1{font-size:clamp(2.25rem,7vw,3.7rem)}.page-hero p{margin-bottom:0}.detail-hero{display:grid;grid-template-columns:1fr;gap:28px;padding:46px 0}.detail-copy h1{font-size:clamp(2rem,7vw,3.5rem)}.detail-image{width:100%;aspect-ratio:1/1;border-radius:var(--radius)}.detail-section{padding:34px 0;border-top:1px solid var(--border)}.detail-section p{color:var(--muted);margin:12px 0 0}.check-list,.recommend-list{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:10px}.check-list li{font-weight:700}.check-list li:before{content:"✓";display:inline-flex;align-items:center;justify-content:center;background:var(--surface-strong);color:var(--accent-dark);width:23px;height:23px;border-radius:50%;margin-right:10px}.recommend-list li{padding:13px 15px;background:var(--surface);border-radius:11px;color:var(--text)}.detail-buy{margin:26px auto 28px;padding:28px;background:var(--accent-dark);color:#fff;border-radius:var(--radius)}.detail-buy p{color:#d3e5df;margin:8px 0 18px}.detail-buy .button{background:#fff;color:var(--accent-dark)}.additional-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}.article-header{padding:56px 0 24px}.article-header h1{font-size:clamp(2rem,7vw,3.7rem)}.article-header time{font-size:.88rem;color:var(--muted)}.article-hero-image{border-radius:var(--radius);aspect-ratio:16/8;margin:8px 0 32px}.prose{padding-bottom:58px}.prose h2{font-size:1.55rem;letter-spacing:-.04em;margin:40px 0 10px}.prose p{color:#36544d;margin:0 0 17px}.related-products{padding:56px 0}.not-found{text-align:center;padding:120px 0}.not-found p:not(.eyebrow){color:var(--muted);margin:15px 0 25px}.mobile-fixed-cta{position:fixed;z-index:5;bottom:0;left:0;right:0;padding:10px 20px;background:#fffffff2;border-top:1px solid var(--border);box-shadow:0 -5px 20px #0000000d}.mobile-fixed-cta .button{width:100%}.product-detail{padding-bottom:72px}@media(min-width:700px){.container{width:min(1120px,calc(100% - 72px))}.narrow{width:min(720px,calc(100% - 72px))}.nav-wrap{height:74px}nav ul{gap:30px}.hero{padding:104px 0 92px}.hero p:not(.eyebrow){font-size:1.18rem}.section{padding:90px 0}.product-grid,.article-grid{grid-template-columns:repeat(3,1fr)}.article-grid-wide{grid-template-columns:repeat(2,1fr)}.detail-hero{grid-template-columns:1.05fr .95fr;align-items:center;padding:78px 0}.detail-image{order:2}.split-section{display:grid;grid-template-columns:1fr 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