:root{--bg:#faf9f6;--card:#fff;--ink:#16160f;--ink2:#55544c;--muted:#8a887f;--line:#e7e5dd;--accent:#1f5f3a;--accent-ink:#fff}
@media(prefers-color-scheme:dark){:root{--bg:#121211;--card:#1b1b19;--ink:#f1efe8;--ink2:#c9c7bd;--muted:#8f8d84;--line:#2c2b28;--accent:#4fb37a;--accent-ink:#0d1a12}}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font:17px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{font-weight:700;text-decoration:none;font-size:18px}.nav{display:flex;gap:18px;font-size:15px;color:var(--ink2)}
.nav a{text-decoration:none}.nav a:hover{text-decoration:underline}
.section-h{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:24px 0 0}
.tag a{color:inherit}.nav{flex-wrap:wrap;justify-content:flex-end}
.hero{padding:56px 0 32px}.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.1;margin:0 0 12px;letter-spacing:-.02em}
.hero p{font-size:19px;color:var(--ink2);max-width:640px;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding:12px 0 56px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:10px;text-decoration:none}
.card:hover{border-color:var(--muted)}.card h2{font-size:20px;margin:0}.card p{margin:0;color:var(--ink2);font-size:15px}
.price{font-weight:700;font-size:20px}.tag{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--accent-ink);text-decoration:none;
font-weight:650;padding:14px 26px;border-radius:12px;font-size:17px}.btn:hover{filter:brightness(1.08)}
.product{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;padding:40px 0 56px;align-items:start}
@media(max-width:820px){.product{grid-template-columns:1fr;gap:24px}}
.product h1{font-size:clamp(28px,4.5vw,40px);line-height:1.15;margin:0 0 14px;letter-spacing:-.02em}
.lead{font-size:19px;color:var(--ink2);margin:0 0 20px}
.buy{position:sticky;top:20px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;display:grid;gap:14px}
.buy .price{font-size:32px}.small{font-size:14px;color:var(--muted)}
ul.check{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px}
ul.check li{padding-left:30px;position:relative}ul.check li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.faq h2,.text h2{font-size:22px;margin:32px 0 12px}.faq details{border-top:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600}.faq p{margin:10px 0 0;color:var(--ink2)}
.text{max-width:720px;padding:40px 0 56px}.text h1{font-size:34px;margin:0 0 16px}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}footer nav{display:flex;gap:18px}
.notice{font-size:14px;color:var(--muted);border-left:3px solid var(--line);padding-left:12px}