:root { --accent: #1C4E9E; --accent-2: #2F6FD0; --ink: #1E2235; --sub: #5E6478; --bg: #F6F7FB; --card: #FFFFFF; --line: #E2E5EF; }
@media (prefers-color-scheme: dark) { :root { --ink: #EEF2FA; --sub: #A9B3C7; --bg: #0E1422; --card: #172033; --line: #2A3550; } }
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif; color: var(--ink); background: var(--bg); line-height: 1.8; }
a { color: var(--accent); }
.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.nav { position: sticky; top: 0; backdrop-filter: blur(12px); background: color-mix(in srgb, var(--bg) 85%, transparent); border-bottom: 1px solid var(--line); z-index: 2; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links a { margin-left: 16px; color: var(--sub); text-decoration: none; font-size: 14px; }
.hero { padding: 64px 0 40px; text-align: center; }
.hero img.icon { width: 120px; height: 120px; border-radius: 27px; box-shadow: 0 12px 30px rgba(28,78,158,.3); }
.hero h1 { font-size: clamp(28px, 5vw, 44px); margin: 20px 0 8px; line-height: 1.3; }
.hero p { color: var(--sub); font-size: 17px; margin: 0 auto; max-width: 600px; }
.badge { display: inline-block; margin-top: 24px; padding: 12px 24px; border-radius: 999px; background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: #fff; text-decoration: none; font-weight: 700; }
.shots { display: flex; gap: 16px; overflow-x: auto; padding: 16px 0 32px; scroll-snap-type: x mandatory; }
.shots img { width: 220px; border-radius: 24px; scroll-snap-align: start; box-shadow: 0 8px 24px rgba(0,0,0,.12); flex: none; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; padding-bottom: 48px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 20px; }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--sub); font-size: 15px; }
.doc { max-width: 760px; margin: 0 auto; padding: 40px 20px 64px; }
.doc h1 { font-size: 30px; }
.doc h2 { margin-top: 40px; font-size: 21px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.doc h3 { margin-top: 24px; font-size: 17px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--sub); font-size: 13px; }