:root {
  --bg: #F2F2F7; --card: #FFFFFF; --text: #1C1C1E; --muted: #6B6B70; --accent: #FF7A3D; --line: rgba(0,0,0,.08);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --card: #1C1C1E; --text: #FFF4EC; --muted: #C8C2BC; --accent: #FF8A4D; --line: rgba(255,255,255,.1); }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 8px 0 32px; }
header.top .brand { font-weight: 700; letter-spacing: -0.01em; color: var(--text); }
header.top nav a { margin-left: 18px; color: var(--muted); font-size: 15px; }
h1 { font-size: 34px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 40px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 24px 0 6px; }
p { margin: 0 0 14px; }
.lead { font-size: 19px; color: var(--muted); margin-bottom: 28px; }
.card { background: var(--card); border-radius: 18px; padding: 20px; margin: 16px 0; }
.app { display: flex; gap: 18px; align-items: center; }
.app img { width: 84px; height: 84px; border-radius: 19px; flex: none; }
.app .name { font-size: 20px; font-weight: 700; margin: 0; }
.app .sub { color: var(--muted); margin: 2px 0 8px; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 10px 18px; border-radius: 999px; font-weight: 600; }
.btn:hover { text-decoration: none; opacity: .92; }
.btn.secondary { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
ul { padding-left: 20px; } li { margin: 4px 0; }
.muted { color: var(--muted); }
.lang { display: flex; gap: 8px; margin: 0 0 24px; }
.lang a { padding: 6px 14px; border-radius: 999px; background: var(--card); color: var(--text); font-size: 15px; }
.lang a.on { background: var(--accent); color: #fff; }
section.policy + section.policy { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 24px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }
.hero-icon { width: 120px; height: 120px; border-radius: 27px; display: block; margin-bottom: 20px; }
.features { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .features { grid-template-columns: 1fr 1fr; } }
.features .card { margin: 0; }
.features h3 { margin: 0 0 6px; }
.features p { margin: 0; color: var(--muted); font-size: 15px; }