*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#1f2937;line-height:1.6;background:#fff}
a{color:#0f766e;text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid #e5e7eb}header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:#111827}.logo img{width:32px;height:32px}
nav a{margin-left:22px;color:#374151;font-size:15px}
.hero{padding:88px 0 64px;background:linear-gradient(180deg,#f0fdfa,#fff)}.hero h1{font-size:44px;line-height:1.15;margin:0 0 18px;color:#111827;max-width:720px}
.hero p{font-size:19px;color:#4b5563;max-width:640px}
.btn{display:inline-block;background:#0f766e;color:#fff;padding:12px 22px;border-radius:8px;font-weight:600;margin-top:18px}.btn:hover{background:#115e59;text-decoration:none}
.btn.alt{background:#fff;color:#0f766e;border:1px solid #0f766e;margin-left:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;padding:56px 0}
.card{border:1px solid #e5e7eb;border-radius:12px;padding:24px}.card h3{margin:0 0 8px;font-size:18px}
.price{font-size:34px;font-weight:700;color:#111827}.price small{font-size:15px;color:#6b7280;font-weight:400}
section h2{font-size:30px;margin:56px 0 8px}.muted{color:#6b7280}
ul.check{padding-left:18px}ul.check li{margin:6px 0}
article{max-width:760px;padding:48px 0}article h1{font-size:34px}
footer{border-top:1px solid #e5e7eb;margin-top:72px;padding:32px 0;color:#6b7280;font-size:14px}footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}footer a{color:#6b7280;margin-right:16px}
@media(max-width:640px){.hero h1{font-size:32px}nav a{margin-left:12px}}