:root {
  --bg: #f4f5f7; --card: #fff; --text: #191f28; --sub: #6b7684; --line: #e5e8eb;
  --accent: #4c6fff; --accent-soft: #eef1ff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --card: #1b1e24; --text: #eceef2; --sub: #9ca3af; --line: #2c2f36; --accent: #6683ff; --accent-soft: #1f2640; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", system-ui, sans-serif; word-break: keep-all; overflow-wrap: anywhere; }
a { color: var(--accent); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header { border-bottom: 1px solid var(--line); background: var(--card); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 56px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.brand img { width: 26px; height: 26px; }
nav { display: flex; gap: 16px; font-size: 14px; }
nav a { color: var(--sub); text-decoration: none; }
nav a:hover { color: var(--text); }
nav a.login { color: var(--accent); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 8px; }
.button.ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
main { padding: 32px 0 48px; }
h1 { font-size: 26px; line-height: 1.35; margin: 0 0 12px; letter-spacing: -0.02em; }
h2 { font-size: 19px; margin: 32px 0 8px; }
h3 { font-size: 16px; margin: 0 0 4px; }
p, li { color: var(--text); }
.sub { color: var(--sub); font-size: 14px; }
.lead { font-size: 17px; color: var(--sub); margin: 0 0 24px; }
.card { background: var(--card); border-radius: 16px; padding: 20px; margin: 12px 0; }
.grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 600px) { .grid { grid-template-columns: 1fr 1fr; } }
.grid .card { margin: 0; }
.grid .card p { margin: 4px 0 0; color: var(--sub); font-size: 15px; }
.price { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; }
.button { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; padding: 12px 20px; border-radius: 12px; }
blockquote { margin: 0 0 16px; padding: 12px 16px; border-radius: 12px; background: var(--accent-soft); color: var(--sub); font-size: 14px; }
code { font-size: 0.9em; }
.table { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 8px; border-bottom: 1px solid var(--line); }
th { color: var(--sub); font-weight: 600; }
ol, ul { padding-left: 22px; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 13px; color: var(--sub); }
footer .links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 8px; }
footer a { color: var(--sub); }
footer .biz { margin-top: 4px; }