*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Pretendard',system-ui,-apple-system,sans-serif;color:#333;line-height:1.7;background:#fff}
a{color:#1ce4ab;text-decoration:none}
a:hover{text-decoration:underline}
header{background:#fff;border-bottom:1px solid #eee;padding:16px 0;position:sticky;top:0;z-index:10}
.container{max-width:960px;margin:0 auto;padding:0 20px}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:22px;font-weight:800;color:#212121;letter-spacing:1px}
nav a{color:#212121;font-size:15px;font-weight:600;margin-left:24px}
nav a:hover{color:#1ce4ab;text-decoration:none}
.hero{background:#f8faf9;padding:80px 0;text-align:center}
.hero h1{font-size:36px;font-weight:800;color:#212121;margin-bottom:12px}
.hero p{font-size:18px;color:#666;max-width:600px;margin:0 auto}
section{padding:60px 0}
section:nth-child(even){background:#f8faf9}
h2{font-size:26px;font-weight:700;color:#212121;margin-bottom:24px}
h3{font-size:20px;font-weight:600;color:#212121;margin-bottom:12px}
.content-block{margin-bottom:40px}
.content-block p{margin-bottom:14px;color:#555}
.en{color:#777;font-size:14px;line-height:1.6;margin-top:8px}
.qa-item{border-left:3px solid #1ce4ab;padding:16px 20px;margin-bottom:24px;background:#fafffe}
.qa-item h3{color:#1ce4ab;margin-bottom:8px;font-size:17px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.card{background:#fff;border:1px solid #eee;border-radius:8px;padding:24px}
footer{background:#212121;color:#999;padding:40px 0;font-size:13px;line-height:1.8}
footer strong{color:#ccc}
@media(max-width:768px){
  nav a{margin-left:14px;font-size:13px}
  .hero h1{font-size:26px}
  .grid-2{grid-template-columns:1fr}
  .hero{padding:50px 0}
}