@charset "UTF-8";
:root { --p: #0f172a; --s: #2563eb; --bg: #f8fafc; --t: #334155; --border: #e2e8f0; --mw: 1200px; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--t); line-height: 1.8; word-break: keep-all; font-size: 16px; }
a { color: var(--s); text-decoration: none; transition: 0.2s; }
a:hover, a:focus { color: #1d4ed8; text-decoration: underline; }
header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.nav-wrap { max-width: var(--mw); margin: 0 auto; padding: 1.2rem 5%; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.logo { font-size: 1.6rem; font-weight: 800; color: var(--p); }
nav ul { display: flex; gap: 1.5rem; list-style: none; }
nav a { font-weight: 600; color: var(--p); }
main { max-width: var(--mw); margin: 2.5rem auto; padding: 0 5%; min-height: 70vh; }
section { background: #fff; border-radius: 12px; padding: 3.5rem; margin-bottom: 3rem; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); border: 1px solid var(--border); }
h1 { font-size: 2.3rem; color: var(--p); margin-bottom: 1.5rem; line-height: 1.4; font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: 1.7rem; color: var(--s); margin: 2.5rem 0 1.2rem; border-bottom: 2px solid #eff6ff; padding-bottom: 0.5rem; }
h3 { font-size: 1.3rem; color: var(--p); margin: 2rem 0 1rem; }
p { margin-bottom: 1.2rem; text-align: justify; font-size: 1.05rem; color: #475569; }
ul.list { margin-left: 1.5rem; margin-bottom: 1.5rem; }
ul.list li { margin-bottom: 0.5rem; font-size: 1.05rem; }
details { background: var(--bg); border-radius: 8px; padding: 1.5rem; margin-bottom: 1rem; border: 1px solid var(--border); cursor: pointer; transition: all 0.2s; }
details[open] { background: #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
summary { font-weight: 700; color: var(--p); font-size: 1.15rem; outline: none; list-style-position: inside; }
.faq-ans { margin-top: 1rem; padding-top: 1rem; border-top: 1px dashed #cbd5e1; font-size: 1.05rem; color: #475569; }
footer { text-align: center; background: var(--p); color: #cbd5e1; padding: 4rem 5%; margin-top: 5rem; }
.f-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 2rem; margin-bottom: 1.5rem; }
.f-links a { color: #fff; font-weight: 500; }
@media (max-width: 768px) { .nav-wrap { flex-direction: column; gap: 1rem; } nav ul { flex-wrap: wrap; justify-content: center; gap: 1rem; } h1 { font-size: 1.8rem; } section { padding: 1.5rem; } }