:root{
  --bg:#0b0f1a;
  --card:#12172a;
  --text:#e8ecf7;
  --muted:#9aa4c0;
  --accent1:#4f7cff;
  --accent2:#8b5cf6;
  --border:#232a45;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
}
.hero{
  padding:80px 24px 64px;
  text-align:center;
  background:
    radial-gradient(circle at 20% 20%, rgba(79,124,255,.35), transparent 55%),
    radial-gradient(circle at 80% 30%, rgba(139,92,246,.30), transparent 55%),
    var(--bg);
  border-bottom:1px solid var(--border);
}
.hero .tag{
  display:inline-block;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--accent1);
  background:rgba(79,124,255,.12);
  border:1px solid rgba(79,124,255,.35);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(28px,4vw,42px);
  margin:0 0 16px;
}
.hero p{
  color:var(--muted);
  font-size:17px;
  max-width:560px;
  margin:0 auto;
}
main{
  max-width:760px;
  margin:0 auto;
  padding:56px 24px;
}
.lead p{
  font-size:16px;
  color:#d6dcf0;
  margin:0 0 22px;
}
h2{
  font-size:22px;
  margin:48px 0 20px;
  padding-left:14px;
  border-left:4px solid var(--accent1);
}
.faq{
  margin-top:16px;
}
.faq details{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:0;
  margin-bottom:12px;
  overflow:hidden;
}
.faq summary{
  cursor:pointer;
  list-style:none;
  padding:18px 20px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"Q";
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--accent1),var(--accent2));
  color:#fff;
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
}
.faq details[open] summary{
  border-bottom:1px solid var(--border);
}
.faq .a{
  padding:16px 20px 20px 54px;
  color:var(--muted);
  font-size:15px;
}
.cta{
  margin-top:56px;
  padding:32px;
  text-align:center;
  border-radius:16px;
  background:linear-gradient(135deg, rgba(79,124,255,.14), rgba(139,92,246,.14));
  border:1px solid var(--border);
}
.cta h3{margin:0 0 10px;font-size:20px}
.cta p{color:var(--muted);margin:0 0 20px;font-size:14px}
.cta a{
  display:inline-block;
  padding:12px 26px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--accent1),var(--accent2));
  color:#fff;
  text-decoration:none;
  font-weight:600;
  font-size:14px;
}
.notice{
  font-size:12px;
  color:#6b7492;
  margin-top:14px;
}
footer{
  text-align:center;
  padding:32px 24px 48px;
  color:#5b6280;
  font-size:12px;
}