:root {
    --primary: #CAE9FE;
    --primary-strong: #65b8f4;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --text: #222222;
    --muted: #666666;
    --shadow: 0 14px 40px rgba(0,0,0,.08);
    --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: #fafafa; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: linear-gradient(90deg, #ffffff, var(--primary)); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.header-inner { display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 12px; padding: 12px 0 8px; }
.logo { justify-self: center; display: inline-flex; align-items: center; }
.logo img { width: 128px; max-height: 48px; object-fit: contain; }
.main-nav { display: none; }
.main-nav a { font-weight: 700; color: var(--dark); padding: 8px 10px; border-radius: 999px; }
.main-nav a:hover { background: rgba(255,255,255,.7); }
.header-actions { display: none; }
.mobile-menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 999px; background: var(--black); color: #fff; font-size: 24px; line-height: 1; cursor: pointer; }
.mobile-nav { display: none; width: min(1120px, calc(100% - 32px)); margin: 0 auto 10px; padding: 12px; background: #fff; border-radius: 18px; box-shadow: var(--shadow); gap: 8px; }
.mobile-nav.is-open { display: grid; }
.mobile-nav a { padding: 12px; border-radius: 14px; background: var(--light); font-weight: 700; }
.mobile-actions { display: flex; gap: 10px; justify-content: center; padding: 0 16px 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 999px; background: linear-gradient(135deg, var(--primary-strong), #111); color: #fff; font-weight: 800; padding: 13px 22px; box-shadow: 0 10px 24px rgba(0,0,0,.18); cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn-small { padding: 10px 18px; font-size: 14px; }
.btn-alt { background: linear-gradient(135deg, var(--black), var(--primary-strong)); }
.hero, .banner { background: linear-gradient(135deg, #ffffff 0%, var(--primary) 55%, #eaf7ff 100%); padding: 42px 0; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero h1, .banner h1 { color: var(--black); font-size: clamp(32px, 7vw, 62px); line-height: 1.1; margin: 0 0 16px; }
.hero p, .banner p { font-size: 18px; color: #333; margin: 0 0 20px; }
.hero-image { background: rgba(255,255,255,.55); border-radius: 28px; padding: 22px; box-shadow: var(--shadow); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tag { background: rgba(255,255,255,.72); border: 1px solid rgba(0,0,0,.08); padding: 8px 12px; border-radius: 999px; font-weight: 700; font-size: 14px; }
section { padding: 42px 0; }
.section-title { max-width: 760px; margin-bottom: 22px; }
.section-title h2 { font-size: clamp(26px, 5vw, 42px); margin: 0 0 10px; color: var(--black); }
.section-title p { margin: 0; color: var(--muted); }
.grid { display: grid; gap: 18px; }
.grid-2, .grid-3 { grid-template-columns: 1fr; }
.card { background: #fff; border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,.05); }
.card h2, .card h3 { margin-top: 0; color: var(--black); line-height: 1.25; }
.card p:last-child { margin-bottom: 0; }
.notice { background: #fff; border-left: 6px solid var(--primary-strong); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); margin: 20px 0; }
.notice strong { color: var(--black); }
.faq { display: grid; gap: 14px; }
.faq-item { background: #fff; border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.faq-item h3 { margin: 0 0 8px; }
.cta-box { background: linear-gradient(135deg, var(--black), #263746); color: #fff; border-radius: 26px; padding: 28px; box-shadow: var(--shadow); }
.cta-box h2, .cta-box p { color: #fff; }
.page-header { background: linear-gradient(135deg, var(--primary), #fff); padding: 44px 0; }
.page-header h1 { margin: 0 0 12px; font-size: clamp(30px, 6vw, 52px); }
.list { padding-left: 20px; }
.list li { margin-bottom: 10px; }
.footer { background: var(--dark); color: #eee; padding: 42px 0 18px; }
.footer-grid { display: grid; gap: 24px; }
.footer h3 { color: #fff; margin: 0 0 10px; }
.footer a { display: block; color: #fff; margin: 8px 0; }
.footer-logo img { width: 120px; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); margin-top: 26px; padding-top: 16px; color: #ccc; font-size: 14px; }
@media (min-width: 768px) {
    .header-inner { grid-template-columns: auto 1fr auto; padding: 14px 0; }
    .mobile-menu-toggle, .mobile-actions { display: none; }
    .logo { justify-self: start; }
    .logo img { width: 148px; }
    .main-nav { display: flex; justify-content: center; gap: 8px; }
    .header-actions { display: flex; gap: 10px; }
    .mobile-nav { display: none !important; }
    .hero-grid { grid-template-columns: 1.08fr .92fr; }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
}
@media (min-width: 1024px) {
    .container { width: min(1180px, calc(100% - 56px)); }
    .header-inner { gap: 28px; }
    .main-nav a { padding: 10px 16px; }
    .hero, .banner { padding: 70px 0; }
    section { padding: 58px 0; }
}