:root {
    --primary: #e21b28;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --shadow: 0 14px 40px rgba(17, 17, 17, 0.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--black); background: #fff; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
header, section, footer { width: 100%; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(17,17,17,.08); box-shadow: 0 6px 18px rgba(17,17,17,.04); }
.header-inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: center; gap: 16px; position: relative; }
.logo { display: inline-flex; align-items: center; justify-content: center; min-width: 110px; }
.logo img { width: 128px; max-height: 48px; object-fit: contain; }
.main-nav { display: none; align-items: center; gap: 8px; font-weight: 700; color: var(--mid); }
.main-nav a { padding: 10px 14px; border-radius: 999px; }
.main-nav a:hover { background: rgba(226,27,40,.08); color: var(--primary); }
.header-actions { display: none; align-items: center; gap: 10px; }
.mobile-menu-toggle { position: absolute; left: 0; width: 44px; height: 44px; border: 0; border-radius: 14px; background: var(--primary); color: #fff; font-size: 24px; line-height: 1; cursor: pointer; box-shadow: var(--shadow); }
.mobile-nav { display: none; width: min(720px, calc(100% - 32px)); margin: 0 auto 12px; padding: 12px; background: var(--white); border: 1px solid rgba(17,17,17,.08); border-radius: 18px; box-shadow: var(--shadow); gap: 8px; }
.mobile-nav.is-open { display: grid; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; background: var(--light); font-weight: 700; }
.mobile-actions { display: flex; justify-content: center; gap: 10px; padding: 0 16px 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 13px 22px; border-radius: 999px; background: linear-gradient(135deg, var(--primary), #ff5962); color: #fff; font-weight: 800; letter-spacing: .01em; box-shadow: 0 12px 26px rgba(226,27,40,.22); border: 0; cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn-small { min-height: 42px; padding: 10px 18px; font-size: 14px; }
.btn-alt { background: linear-gradient(135deg, var(--dark), var(--mid)); }
.hero { background: radial-gradient(circle at top right, rgba(226,27,40,.24), transparent 34%), linear-gradient(135deg, #fff, #fff7f7); padding: 44px 0; }
.banner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; display: grid; gap: 28px; align-items: center; }
.banner h1 { font-size: clamp(32px, 7vw, 60px); line-height: 1.08; margin: 0 0 18px; color: var(--black); }
.banner p { margin: 0 0 20px; font-size: 18px; color: #444; }
.banner-image { background: #fff; border-radius: 28px; padding: 18px; box-shadow: var(--shadow); }
section { padding: 46px 0; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section-title { font-size: clamp(26px, 4vw, 38px); margin: 0 0 16px; }
.lead { font-size: 18px; color: #4a4a4a; max-width: 820px; }
.grid { display: grid; gap: 18px; }
.card { background: #fff; border: 1px solid rgba(17,17,17,.08); border-radius: 20px; padding: 22px; box-shadow: var(--shadow); }
.card h2, .card h3 { margin-top: 0; color: var(--black); }
.card p:last-child { margin-bottom: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.tag-list li, .tag { background: rgba(226,27,40,.10); color: var(--primary); border: 1px solid rgba(226,27,40,.18); padding: 9px 12px; border-radius: 999px; font-weight: 700; font-size: 14px; }
.notice { background: #fff7f7; border-left: 5px solid var(--primary); border-radius: 18px; padding: 18px 20px; box-shadow: var(--shadow); }
.faq { display: grid; gap: 14px; }
.faq details { background: #fff; border: 1px solid rgba(17,17,17,.08); border-radius: 18px; padding: 18px; box-shadow: 0 8px 24px rgba(17,17,17,.06); }
.faq summary { cursor: pointer; font-weight: 800; }
.footer { background: var(--dark); color: #fff; padding: 42px 0; }
.footer a { display: block; color: #fff; margin: 8px 0; opacity: .92; }
.footer h2 { margin-top: 0; font-size: 18px; }
.footer p { color: rgba(255,255,255,.78); }
.footer-grid { display: grid; gap: 22px; }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { position: relative; padding-left: 62px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 18px; width: 42px; height: 42px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 900; }
.inline-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.inline-links a { color: var(--primary); font-weight: 800; }
@media (min-width: 768px) {
    .header-inner { justify-content: space-between; min-height: 78px; }
    .mobile-menu-toggle, .mobile-actions { display: none; }
    .main-nav, .header-actions { display: flex; }
    .mobile-nav, .mobile-nav.is-open { display: none; }
    .logo { justify-content: flex-start; }
    .banner { grid-template-columns: 1.08fr .92fr; }
    .grid.two { grid-template-columns: repeat(2, 1fr); }
    .grid.three { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr .8fr 1fr; }
}
@media (min-width: 1024px) {
    .header-inner { width: min(1240px, calc(100% - 64px)); gap: 28px; }
    .logo img { width: 150px; }
    .main-nav { gap: 14px; }
    .hero { padding: 72px 0; }
    section { padding: 62px 0; }
}