:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Pretendard", sans-serif; color: #1b2530; background: #f5f7fa; }
body { margin: 0; }
main { box-sizing: border-box; max-width: 48rem; margin: 2rem auto; padding: 2.5rem; background: #fff; border-radius: 1rem; line-height: 1.7; }
h1 { font-size: 2rem; line-height: 1.25; }
h2 { margin-top: 2rem; font-size: 1.15rem; }
ul { padding-left: 1.5rem; }
li + li { margin-top: .5rem; }
a { color: #184ab5; }
@media (max-width: 50rem) { main { margin: 0; padding: 1.5rem; border-radius: 0; } }