:root { --navy: #06263b; --brand: #0b4a6b; --accent: #f7931e; --ink: #0f1f2b; --muted: #5b6672; --line: #e1e7ec; --bg: #f6f8fa; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--brand); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 68px; padding: 0 20px; background: #fff; border-bottom: 1px solid var(--line); }
.top img { display: block; width: 112px; height: auto; }
.top nav { display: flex; gap: 4px; }
.top nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: 10px; color: var(--ink); font-weight: 600; text-decoration: none; }
.top nav a:hover { background: #f1f5f8; }
.hero { padding: 56px 20px 48px; color: #f7fbff; background: linear-gradient(135deg, #06263b 0%, #0b4a6b 52%, #0a3b56 100%); }
.hero h1 { max-width: 20ch; margin: 0 auto 14px; font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.08; letter-spacing: -0.03em; text-align: center; }
.hero h1 span { color: var(--accent); }
.hero p { max-width: 54ch; margin: 0 auto; text-align: center; color: rgba(247, 251, 255, 0.88); font-size: 1.1rem; }
.cta { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: 14px; background: var(--accent); color: var(--navy); font-weight: 800; text-decoration: none; }
.btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.4); }
.features, .grid { max-width: 960px; margin: 0 auto; padding: 40px 20px 56px; }
.features h2 { margin: 0 0 16px; font-size: 1.5rem; }
.features ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.features li { padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; font-weight: 600; }
.features li::before { content: "✓"; margin-right: 10px; color: #1f7a4d; font-weight: 800; }
.note { color: var(--muted); }
.grid { display: grid; gap: 12px; }
.card { display: grid; gap: 4px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 14px; text-decoration: none; color: var(--ink); }
.card span { color: var(--muted); font-size: .9rem; }
footer { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; padding: 24px 20px; color: var(--muted); font-size: .9rem; }
@media (min-width: 720px) {
  .features ul, .grid { grid-template-columns: repeat(2, 1fr); }
  .top { padding: 0 max(20px, calc((100vw - 960px) / 2)); }
}