:root{--red:#FF4953;--ink:#171717;--muted:#666;--soft:#f7f7f5;--line:#e5e5e1;--white:#fff;--max:1180px;--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Roboto,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.5}a{color:inherit}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900}.brand img{width:34px;height:34px}.navlinks{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700}.navlinks a{text-decoration:none}.navlinks a:hover{color:var(--red)}
.eyebrow{color:var(--red);font-weight:900;letter-spacing:.11em;text-transform:uppercase;font-size:12px;margin-bottom:14px}.hero{padding:88px 0 70px;background:radial-gradient(circle at 88% 14%,rgba(255,73,83,.13),transparent 28%),linear-gradient(180deg,#fff,#fafafa)}h1{font-size:clamp(48px,7vw,82px);line-height:.98;letter-spacing:-.055em;margin:0;max-width:960px}.lead{font-size:clamp(19px,2.1vw,24px);color:#484848;max-width:800px;margin:28px 0 0}.hero strong{color:var(--ink)}
.section{padding:80px 0}.section.soft{background:var(--soft)}.section h2{font-size:clamp(34px,4.4vw,54px);line-height:1.02;letter-spacing:-.045em;margin:0 0 18px}.section-intro{font-size:19px;color:#505050;max-width:820px;margin:0 0 38px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.product-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;text-decoration:none;min-height:250px;display:flex;flex-direction:column;transition:.16s ease;box-shadow:0 10px 35px rgba(0,0,0,.035)}.product-card[href]:hover{transform:translateY(-3px);border-color:rgba(255,73,83,.55);box-shadow:0 16px 42px rgba(0,0,0,.07)}.product-card .num{font-size:12px;color:var(--red);font-weight:900;letter-spacing:.1em}.product-card h3{font-size:30px;letter-spacing:-.035em;margin:28px 0 8px}.product-card p{font-size:17px;color:var(--muted);margin:0}.product-card .free{margin-top:auto;padding-top:28px;font-size:13px;font-weight:800;color:var(--ink)}.product-card .arrow{margin-top:auto;padding-top:24px;font-weight:900;color:var(--red)}
.points{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:34px}.point{border-top:3px solid var(--red);padding:18px 8px 0 0;font-weight:700}.start{background:var(--ink);color:#fff;border-radius:30px;padding:clamp(34px,6vw,64px)}.start h2{margin-bottom:16px}.start p{font-size:19px;color:#d2d2d2;max-width:800px}.btn{display:inline-flex;margin-top:20px;background:var(--red);color:#fff;text-decoration:none;border-radius:999px;padding:13px 20px;font-weight:800}
.detail-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}.sticky{position:sticky;top:110px}.copy h2{font-size:34px;margin:0 0 14px;letter-spacing:-.035em}.copy h3{font-size:22px;margin:28px 0 8px}.copy p,.copy li{color:#4d4d4d;font-size:17px}.copy ul{padding-left:22px}.quote{font-size:clamp(28px,4vw,46px);font-weight:900;letter-spacing:-.04em;line-height:1.05}.use-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.use{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff;font-weight:700}.band{background:var(--red);color:#fff;padding:62px 0}.band h2{margin:0;font-size:clamp(34px,5vw,58px);letter-spacing:-.045em}.band p{font-size:19px;max-width:800px}
footer{border-top:1px solid var(--line);padding:30px 0 42px;color:#777;font-size:14px}.footer-row{display:flex;justify-content:space-between;gap:20px}.footer-row a{text-decoration:none;font-weight:700}
@media(max-width:820px){.navlinks{gap:12px;font-size:12px}.product-grid,.detail-grid,.points{grid-template-columns:1fr}.points{gap:20px}.sticky{position:static}.hero{padding-top:62px}.footer-row{flex-direction:column}}@media(max-width:560px){.navlinks a:nth-child(3),.navlinks a:nth-child(4){display:none}.wrap{width:min(calc(100% - 28px),var(--max))}.product-card{min-height:220px}}