:root{--bg:#F3F5F8;--surface:#FFFFFF;--ink:#1D2524;--muted:#5C6866;--line:#DFE4EB;--brand:#1D5FA8;--brand-ink:#FFFFFF;--soft:#E3EDF8}
@media (prefers-color-scheme:dark){:root{--bg:#121716;--surface:#1A2120;--ink:#E8EDEC;--muted:#9AA7A5;--line:#2A3332;--brand:#6AA9EE;--brand-ink:#061A30;--soft:#16263A}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
a{color:var(--brand)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:var(--surface)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);text-decoration:none}
.logo img{width:32px;height:32px;border-radius:8px}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:15px}
nav a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);text-decoration:none;font-weight:600;padding:12px 22px;border-radius:10px}
.btn.ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.hero{padding:64px 0 40px}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.15;margin:0 0 16px;max-width:760px;letter-spacing:-.01em}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 0 28px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero small{color:var(--muted);font-size:14px}
.shot{margin:40px 0 0;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.shot img{display:block;width:100%;height:auto}
section.features{padding:48px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.card img{width:100%;height:auto;border-radius:8px;border:1px solid var(--line);margin-bottom:14px}
.band{background:var(--soft);padding:40px 0;margin:24px 0 0}
.band ul{margin:0;padding-left:20px;columns:2;column-gap:40px}
@media (max-width:640px){.band ul{columns:1}nav a{margin-left:12px;font-size:14px}nav a.opt{display:none}}
.legal{padding:40px 0 56px}
.legal article{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:clamp(20px,4vw,44px);max-width:820px}
.legal h1{margin:0 0 8px;font-size:32px}
.legal h2{font-size:19px;margin:28px 0 6px}
.legal p,.legal li{color:var(--ink)}
.legal .meta{color:var(--muted)}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted);margin-right:16px}

.note{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:10px;padding:14px 18px;color:var(--muted);margin-top:24px}