:root {
    --primary: #1989fa;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --shadow: 0 18px 40px rgba(17,17,17,.10);
    --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; font-family: Arial, Helvetica, sans-serif; color:var(--black); background:var(--light); line-height:1.7; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; height:auto; display:block; }
header, .site-header { position:sticky; top:0; z-index:50; background:rgba(255,255,255,.96); box-shadow:0 8px 24px rgba(17,17,17,.06); backdrop-filter:blur(10px); }
.container { width:min(1120px, calc(100% - 32px)); margin:0 auto; }
.mobile-topbar { min-height:66px; display:grid; grid-template-columns:48px 1fr 48px; align-items:center; gap:10px; padding:10px 16px; }
.mobile-menu-toggle { width:44px; height:44px; border:0; border-radius:14px; background:var(--primary); color:#fff; font-size:24px; cursor:pointer; box-shadow:0 8px 20px rgba(25,137,250,.24); }
.logo { display:flex; align-items:center; }
.logo img { width:132px; max-height:52px; object-fit:contain; }
.mobile-logo { justify-content:center; }
.mobile-actions { display:flex; justify-content:center; gap:12px; padding:0 16px 12px; }
.mobile-nav { display:none; padding:12px 16px 18px; gap:10px; background:#fff; border-top:1px solid rgba(17,17,17,.06); }
.mobile-nav.is-open { display:grid; }
.mobile-nav a { padding:12px 14px; border-radius:14px; background:var(--light); font-weight:700; }
.header-inner { display:none; min-height:78px; align-items:center; gap:28px; }
.main-nav { display:flex; align-items:center; justify-content:center; gap:10px; flex:1; }
.main-nav a { padding:11px 14px; border-radius:999px; font-weight:700; color:var(--mid); }
.main-nav a:hover { background:rgba(25,137,250,.10); color:var(--primary); }
.header-actions { display:flex; gap:10px; align-items:center; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:46px; padding:12px 22px; border-radius:999px; background:linear-gradient(135deg, var(--primary), #4bb0ff); color:#fff; font-weight:800; box-shadow:0 12px 24px rgba(25,137,250,.28); border:0; cursor:pointer; }
.btn:hover { transform:translateY(-1px); }
.btn-small { min-height:40px; padding:9px 18px; font-size:14px; }
.btn-alt { background:linear-gradient(135deg, #111111, #2B2B2B); }
.hero, .banner { background:linear-gradient(135deg, #0f2744, var(--primary)); color:#fff; padding:46px 0; }
.hero-grid { display:grid; gap:28px; align-items:center; }
.hero h1 { font-size:32px; line-height:1.2; margin:0 0 14px; }
.hero p { margin:0 0 18px; color:rgba(255,255,255,.90); }
.tag-list { display:flex; flex-wrap:wrap; gap:10px; margin:20px 0 0; }
.tag { background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.22); padding:8px 12px; border-radius:999px; font-size:14px; }
.hero-image { background:rgba(255,255,255,.12); padding:18px; border-radius:24px; box-shadow:var(--shadow); }
section { padding:38px 0; }
.section-title { margin:0 0 16px; font-size:26px; line-height:1.25; }
.grid { display:grid; gap:18px; }
.card { background:#fff; border-radius:var(--radius); padding:22px; box-shadow:var(--shadow); border:1px solid rgba(17,17,17,.06); }
.card h2, .card h3 { margin-top:0; line-height:1.3; }
.notice { border-left:5px solid var(--primary); background:#fff; border-radius:var(--radius); padding:18px; box-shadow:var(--shadow); }
.faq { display:grid; gap:14px; }
.faq .item { background:#fff; border-radius:16px; padding:18px; box-shadow:0 10px 26px rgba(17,17,17,.07); }
.faq h2, .faq h3 { margin:0 0 8px; font-size:18px; }
ul.clean { padding-left:20px; }
.cta-band { background:#fff; border-radius:24px; padding:24px; box-shadow:var(--shadow); text-align:center; }
.footer { background:var(--dark); color:#fff; padding:34px 0; margin-top:30px; }
.footer-grid { display:grid; gap:20px; }
.footer h2 { margin-top:0; }
.footer p { color:rgba(255,255,255,.78); }
.footer-nav { display:grid; gap:10px; }
.footer-nav a { color:#fff; font-weight:700; }
.footer-note strong { display:inline-flex; background:var(--primary); color:#fff; padding:8px 12px; border-radius:999px; margin-bottom:8px; }
.inline-links { display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; }
.inline-links a { color:var(--primary); font-weight:700; }
@media (min-width: 768px) {
    .mobile-topbar, .mobile-actions, .mobile-nav { display:none; }
    .mobile-nav.is-open { display:none; }
    .header-inner { display:flex; }
    .hero { padding:68px 0; }
    .hero-grid { grid-template-columns:1.1fr .9fr; }
    .hero h1 { font-size:44px; }
    .grid.two { grid-template-columns:repeat(2, 1fr); }
    .grid.three { grid-template-columns:repeat(3, 1fr); }
    .footer-grid { grid-template-columns:1.2fr .7fr 1.1fr; }
}
@media (min-width: 1024px) {
    .container { width:min(1180px, calc(100% - 56px)); }
    .logo img { width:150px; }
    .main-nav { gap:18px; }
    .header-inner { gap:34px; }
    section { padding:52px 0; }
}