:root{--paper:#f8f6f2;--ink:#49382c;--brown:#6a4b35;--muted:#817266;--line:#e2d9d0;--cream:#f0eae2}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.6 'DM Sans','IBM Plex Sans Thai',sans-serif}header{max-width:980px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;gap:15px}header img{display:block;width:130px;height:auto}.pill{font-size:12px;border:1px solid var(--line);border-radius:99px;padding:6px 12px}main{max-width:760px;margin:auto;padding:15px 24px 60px}.intro{padding:25px 0 28px}h1{font-size:clamp(40px,8vw,66px);line-height:1.08;letter-spacing:-2px;margin:10px 0 18px}h2{font-size:24px;letter-spacing:-.6px;margin:0}p{margin:8px 0}.eyebrow{font-size:11px;letter-spacing:2px}.notice{background:var(--cream);padding:14px 18px;border-radius:16px;font-size:14px}nav{display:flex;gap:24px;margin:24px 0}a{color:inherit;text-decoration:none}nav a{border-bottom:1px solid var(--brown);padding:4px 0}.card{background:#fffdf9;border:1px solid var(--line);padding:24px;border-radius:24px;margin:18px 0}.muted{color:var(--muted);font-size:14px}.days{display:flex;gap:8px;overflow:auto;padding:16px 0}button{font:inherit;cursor:pointer;background:var(--brown);color:white;border:0;border-radius:99px;min-height:44px;padding:12px 24px}button:disabled{opacity:.45;cursor:not-allowed}.days button{min-width:67px;border-radius:18px;background:var(--cream);color:var(--ink);padding:10px}.days button[aria-pressed=true]{background:var(--brown);color:white}.days small{display:block}.secondary{background:var(--cream);color:var(--ink)}.class{padding:16px 0;border-top:1px solid var(--line)}.small{font-size:12px;color:var(--muted);margin-top:18px}.error{color:#992b28;background:#ffe9e6;padding:16px;border-radius:16px}[hidden]{display:none!important}:focus-visible{outline:3px solid #9b6e4a;outline-offset:4px}.skip{position:absolute;transform:translateY(-200%)}.skip:focus{transform:none;background:white;padding:12px;z-index:3}@media(max-width:500px){header{padding:12px 20px}.card{padding:20px}main{padding-left:20px;padding-right:20px}}