:root{--green:#1d4d45;--orange:#ee9b2f;--ink:#1f2a28;--muted:#5d6b68;--bg:#fbfaf7;--line:#e6e2d9}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);margin:0}body{word-break:keep-all;font-family:Pretendard,-apple-system,Apple SD Gothic Neo,Noto Sans KR,sans-serif;line-height:1.6}main{max-width:480px;margin:0 auto;padding:32px 16px 64px}h1{color:var(--green);margin:8px 0 12px;font-size:26px;line-height:1.35}p{margin:0 0 12px}.muted{color:var(--muted);font-size:14px}.card{border:1px solid var(--line);background:#fff;border-radius:16px;margin:16px 0;padding:18px}.btn{text-align:center;background:var(--green);color:#fff;border:0;border-radius:12px;width:100%;padding:15px;font-size:16px;font-weight:600;text-decoration:none;display:block}.tag{color:var(--green);background:#e7efed;border-radius:999px;padding:2px 10px;font-size:12px;display:inline-block}footer{color:var(--muted);margin-top:40px;font-size:12px}label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.input{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:12px;margin-bottom:12px;padding:13px 14px;font-size:16px;display:block}.btn:disabled{opacity:.6}.btn-sub{color:var(--green);border:1px solid var(--green);background:#fff}.btn+.btn{margin-top:10px}.link{color:var(--green);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px;text-decoration:underline}.error{color:#a4372b;font-size:14px}.step{color:var(--muted);margin-bottom:4px;font-size:13px}.q{margin:18px 0 8px;font-weight:600}.opts{gap:8px;display:grid}.opt{text-align:left;border:1px solid var(--line);width:100%;color:var(--ink);cursor:pointer;background:#fff;border-radius:12px;padding:12px 14px;font-size:15px;display:block}.opt[aria-pressed=true]{border-color:var(--green);background:#e7efed;font-weight:600}.opts-row{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.opts-row .opt{text-align:center;padding:10px 4px;font-size:13px}.chips{flex-wrap:wrap;gap:6px;margin:6px 0 12px;display:flex}.chip{background:#f3efe6;border-radius:999px;padding:3px 10px;font-size:13px}.chip.strength{color:var(--green);background:#e7efed}.nav{gap:10px;margin-top:20px;display:flex}.nav .btn{flex:1;margin-top:0}.prose p{margin:0 0 6px}.prose .li{position:relative}.prose .mark{color:var(--muted);margin-left:-16px;position:absolute}.sec{margin:22px 0}.sec h2{color:var(--green);margin:0 0 8px;font-size:17px}.say{background:#fff7ea;border-radius:14px;padding:14px 16px;font-size:18px;font-weight:600}details{margin:8px 0}summary{cursor:pointer;color:var(--green);font-size:14px}.months{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.month{text-align:center;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:14px;padding:12px 6px;font-size:13px;text-decoration:none;display:block}.month .ic{font-size:24px;display:block}.dot{background:var(--orange);vertical-align:middle;border-radius:50%;width:7px;height:7px;margin-left:4px;display:inline-block}.lesson-row{border-bottom:1px solid var(--line);color:var(--ink);padding:12px 0;text-decoration:none;display:block}