:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #f9fafb;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --primary: #16a34a;
  --primary-dark: #15803d;
  --blue: #2563eb;
  --blue-soft: #e0edff;
  --danger: #b91c1c;
  --danger-soft: #fff7f7;
  --danger-border: #fecaca;
  --shadow: 0 8px 20px rgba(0,0,0,0.06);
  --radius: 20px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.topbar, header.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 0; }
.brand { font-size: 1.25rem; font-weight: 800; letter-spacing: .2px; }
.brand span { color: var(--primary); }
.nav-links, .links, .footer-nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.nav-links a, .links a, .footer-nav a { color: var(--muted); font-size: .95rem; }
.nav-links a:hover, .links a:hover, .footer-nav a:hover { color: var(--text); }
.hero { padding: 68px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 28px; align-items: center; }
.card, .panel, .hero-card, .feature-card, .info-card, .faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-card, .feature-card, .info-card, .panel, .card { padding: 24px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; background: #ecfdf5; color: #166534; border: 1px solid #bbf7d0; padding: 8px 14px; border-radius: 999px; font-size: .9rem; margin-bottom: 18px; }
h1, h2, h3 { margin: 0 0 14px; line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
h3 { font-size: 1.1rem; }
p, li { color: #374151; }
.lead { color: var(--muted); font-size: 1.05rem; margin-bottom: 24px; max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 22px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 14px; font-weight: 700; border: 1px solid transparent; transition: .2s ease; }
.btn-primary { background: linear-gradient(180deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 12px 24px rgba(34,197,94,0.22); }
.btn-secondary { background: #fff; color: var(--text); border-color: #d1d5db; }
.meta-list { display: flex; flex-wrap: wrap; gap: 12px; padding: 0; margin: 0; list-style: none; }
.meta-list li { background: var(--surface-soft); border: 1px solid var(--border); color: #374151; padding: 10px 14px; border-radius: 12px; font-size: .95rem; }
.phone { position: relative; overflow: hidden; }
.phone::before { content: ""; position: absolute; inset: auto -40px -60px auto; width: 180px; height: 180px; background: rgba(56,189,248,0.12); filter: blur(20px); border-radius: 50%; }
.screen { border-radius: 28px; border: 1px solid var(--border); padding: 18px; background: var(--surface-soft); min-height: 430px; position: relative; }
.app-cover { display: grid; place-items: center; height: 180px; border-radius: 22px; margin-bottom: 16px; background: linear-gradient(135deg, rgba(34,197,94,0.22), rgba(56,189,248,0.22)); font-size: 1.4rem; font-weight: 800; letter-spacing: .6px; }
.tag { display: inline-block; font-size: .8rem; color: var(--blue); background: var(--blue-soft); padding: 6px 10px; border-radius: 999px; margin-bottom: 8px; }
section { padding: 28px 0; }
.section-head { display: flex; justify-content: space-between; gap: 20px; align-items: end; margin-bottom: 20px; }
.section-head p { margin: 0; max-width: 56ch; color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 14px; background: var(--surface-soft); border: 1px solid var(--border); font-size: 1.15rem; }
.download-panel { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; padding: 0; }
.faq-question { width: 100%; background: transparent; border: 0; color: var(--text); padding: 18px 20px; text-align: left; font-size: 1rem; font-weight: 700; cursor: pointer; }
.faq-answer { padding: 0 20px 18px; display: none; }
.faq-item.active .faq-answer { display: block; }
.alert-grid, .link-grid, .sitemap-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.alert-card { padding: 24px; background: var(--danger-soft); border: 1px solid var(--danger-border); border-radius: var(--radius); box-shadow: var(--shadow); }
.alert-card h3 { color: var(--danger); }
.notice-list { padding-left: 18px; margin: 12px 0 0; color: #374151; }
.notice-list li { margin-bottom: 8px; }
.mini-link { display: block; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 16px; box-shadow: 0 8px 20px rgba(0,0,0,.04); }
.mini-link strong { display: block; margin-bottom: 6px; font-size: 1rem; }
.mini-link span { color: var(--muted); font-size: .92rem; line-height: 1.6; }
footer.site-footer { padding: 34px 0 52px; color: var(--muted); font-size: .95rem; }
.footer-box { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding-top: 24px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.simple-hero { padding: 56px 0 28px; }
.content-stack > * + * { margin-top: 18px; }
.sitemap-group ul { padding-left: 18px; }
@media (max-width: 960px) {
  .hero-grid, .grid-2, .grid-3, .alert-grid, .sitemap-list, .download-panel { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: start; }
}

.nav-download { color: #fff !important; background: linear-gradient(180deg, var(--primary), var(--primary-dark)); padding: 10px 16px; border-radius: 12px; font-weight: 700; box-shadow: 0 10px 22px rgba(34,197,94,0.18); }
.nav-download:hover { color: #fff !important; opacity: .96; }

@media (max-width: 720px) {
  .nav { flex-direction: row; align-items: center; }
  .nav-links { width: auto; margin-left: auto; }
  .nav-links a:not(.nav-download) { display: none; }
  .nav-links .nav-download { display: inline-flex; align-items: center; justify-content: center; }
  .brand { flex: 1 1 auto; }
  .hero { padding-top: 34px; }
}