:root{color-scheme:light;--ink:#132443;--muted:#516179;--blue:#1764ed;--line:#dce5f1}*{box-sizing:border-box}body{margin:0;font:17px/1.7 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:#f6f9ff;color:var(--ink)}header{background:white;border-bottom:1px solid var(--line)}nav{max-width:1060px;margin:auto;padding:20px 26px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}nav .brand{font-weight:800;font-size:24px;margin-right:auto;display:flex;align-items:center;gap:12px}nav img{width:42px;border-radius:10px}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}main{max-width:1000px;margin:auto;padding:62px 26px 80px}h1{font-size:clamp(34px,6vw,58px);line-height:1.12;letter-spacing:-1.8px;margin:12px 0 24px}h2{font-size:26px;line-height:1.3;margin-top:32px}p,li{color:var(--muted)}.eyebrow{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--blue)}.lead{font-size:22px;max-width:760px}.card{padding:28px;background:white;border:1px solid var(--line);border-radius:20px;margin-top:24px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.button{display:inline-block;padding:12px 21px;background:var(--blue);color:white;border-radius:12px;font-weight:600;margin:8px 10px 8px 0}details{padding:18px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:650}footer{max-width:1000px;margin:auto;padding:24px 26px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.thai{padding-top:24px;margin-top:30px;border-top:1px solid var(--line)}.contact{padding:18px;background:#edf4ff;border-radius:12px}.notice{color:#785a12;background:#fff9e6;border:1px solid #eddfaa;border-radius:12px;padding:18px}.langs{font-size:14px}@media(max-width:650px){main{padding-top:36px}.grid{grid-template-columns:1fr}nav{gap:15px}nav .brand{width:100%}.card{padding:22px}}