:root{color-scheme:dark;--bg:#111115;--panel:#1a1921;--border:#302c3b;--text:#eeecf4;--muted:#a6a0b4;--accent:#c0a2f7;--hover:#211c2e}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:18px/1.7 "Pretendard","Noto Sans KR","Malgun Gothic",system-ui,sans-serif;letter-spacing:-.4px}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}a,button{outline-offset:5px}a:focus-visible,button:focus-visible{outline:2px solid var(--accent)}[hidden]{display:none!important}.skip{position:absolute;top:-80px;left:15px;padding:10px;background:var(--accent);color:#151020;z-index:10}.skip:focus{top:10px}header{width:min(1080px,100%);margin:0 auto;padding:26px 36px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px}.brand img{width:36px;height:36px;object-fit:cover;border-radius:11px;border:1px solid #9a76be}.brand strong{font-size:17px;font-weight:600}.brand strong span{color:var(--muted);margin-left:3px}#theme{width:36px;height:36px;color:var(--muted);font-size:29px;border-radius:50%}#theme:hover{background:var(--panel);color:var(--accent)}main{width:min(860px,100%);margin:0 auto;padding:69px 36px 50px;flex:1}.intro{margin-bottom:40px}.eyebrow{font-size:14px;color:var(--accent);font-weight:500;letter-spacing:.1px}h1{font-size:46px;font-weight:700;line-height:1.4;letter-spacing:-1.9px;margin:12px 0 9px}h1>span{color:var(--accent)}.intro p{color:var(--muted);font-size:17px;margin:0}.choices{display:grid;grid-template-columns:1fr 1fr;gap:20px}.choice{border:1px solid var(--border);border-radius:14px;background:var(--panel);padding:25px 28px 22px;position:relative;overflow:hidden;transition:border-color .2s,background .2s,transform .2s;min-height:278px}.choice:hover{border-color:#8261b0;background:var(--hover);transform:translateY(-3px)}.choice.active{border-color:var(--accent);background:var(--hover)}.choice-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.number{font-size:13px;color:#9990a8;font-variant-numeric:tabular-nums;letter-spacing:1px}.symbol{display:grid;place-items:center;font-size:31px;color:var(--accent);background:#a77be80e;width:42px;height:42px;border:1px solid #ab81e329;border-radius:12px;font-family:Georgia,serif}.choice h2{font-size:29px;font-weight:650;letter-spacing:-.9px;margin:0 0 9px}.choice p{color:var(--muted);font-size:16px;line-height:1.9;margin:0}.choice-bottom{border-top:1px solid var(--border);padding-top:15px;margin-top:25px;display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--accent)}.choice-bottom>span{font-size:22px;line-height:1}.sample-note{color:#8e879b;font-size:13px;text-align:center;margin:25px 0 0}.content{margin-top:35px;scroll-margin-top:25px}.content-heading{display:flex;justify-content:space-between;align-items:center}.content-heading h2{font-size:23px;margin:0;font-weight:600}.back-link{font-size:13px;color:var(--muted)}.back-link:hover{color:var(--accent)}#content-description{font-size:14px;color:var(--muted);margin:5px 0 17px}.resource-row{width:100%;border:1px solid var(--border);border-radius:9px;background:var(--panel);padding:19px 21px;display:flex;align-items:center;gap:17px;text-align:left;transition:border-color .2s}.resource-row:hover{border-color:var(--accent)}.resource-text{flex:1;min-width:0}.resource-text strong{font-size:17px;font-weight:550;display:block}.resource-text small{font-size:13px;display:block;color:var(--muted);margin-top:4px}.sample-tag{font-size:13px;border:1px solid var(--border);padding:2px 6px;color:var(--muted);border-radius:4px;white-space:nowrap}.resource-arrow{font-size:20px;color:var(--accent)}.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.guide-list .resource-row{padding:17px}.guide-symbol{font:30px Georgia,serif;color:var(--class);width:30px;flex-shrink:0;text-align:center}.guide-list .resource-text strong{font-size:16px}.guide-list .resource-text small{font-size:13px}footer{width:min(1008px,calc(100% - 72px));margin:0 auto;border-top:1px solid var(--border);padding:22px 0;display:flex;justify-content:space-between;gap:15px;color:#8e879b;font-size:13px}dialog{color:var(--text);background:var(--panel);border:1px solid #57436f;border-radius:14px;max-width:650px;width:calc(100% - 32px);padding:34px;max-height:85vh;overflow:auto;box-shadow:0 30px 100px #0008}dialog::backdrop{background:#07060dd9;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:12px;top:8px;font-size:31px;color:var(--muted)}#dialog-body h2{font-size:29px;line-height:1.5;margin:15px 0}#dialog-body h3{font-size:17px;margin-top:25px}#dialog-body p{font-size:16px;color:var(--muted);line-height:1.9}.detail-label{font-size:13px;color:var(--accent)}.sample-notice{font-size:14px;border:1px solid #675436;border-radius:5px;padding:11px 14px;color:#d9bc8a;background:#342b1f;margin:18px 0}.detail-meta{border-top:1px solid var(--border);padding-top:16px;margin-top:24px;font-size:13px;color:var(--muted)}body.light{color-scheme:light;--bg:#f8f7fa;--panel:#fff;--border:#ded8e7;--text:#2b2336;--muted:#756b80;--accent:#8050b7;--hover:#f2ecfa}body.light .number,body.light .sample-note,body.light footer{color:#776d82}
@media(min-width:1500px){main{padding-top:105px}}@media(max-width:600px){header{padding:20px 22px}.brand img{width:33px;height:33px}.brand strong{font-size:14px}main{padding:42px 22px 35px}.intro{margin-bottom:28px}h1{font-size:35px;letter-spacing:-1.4px}.intro p{font-size:14px}.eyebrow{font-size:13px}.choices{gap:12px}.choice{padding:18px 17px;min-height:260px;border-radius:11px}.choice h2{font-size:25px}.choice p{font-size:13px}.choice-top{margin-bottom:15px}.symbol{width:34px;height:34px;font-size:28px;border-radius:9px}.choice-bottom{font-size:13px;margin-top:24px;padding-top:14px}.number{font-size:13px}.sample-note{font-size:13px;line-height:1.9}.guide-list{grid-template-columns:1fr}.resource-row{padding:17px}.resource-text strong{font-size:14px}.resource-text small{font-size:13px}.sample-tag{font-size:13px}.content{margin-top:28px}footer{width:calc(100% - 44px);font-size:13px;flex-direction:column;gap:3px;padding:18px 0}dialog{padding:28px 22px}#dialog-body h2{font-size:24px}}
@media(max-width:350px){.choices{grid-template-columns:1fr}.choice{min-height:0}.choice p br{display:none}.choice-top{margin-bottom:8px}.choice-bottom{margin-top:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Readable body text; layouts expand naturally with larger typography. */
.intro p,.choice p,#dialog-body p{font-size:18px}.resource-text strong,.guide-list .resource-text strong{font-size:17px}.choice-bottom{font-size:15px}.resource-text small,.guide-list .resource-text small,.detail-meta,.sample-note{font-size:14px}.brand img{width:42px;height:42px}#theme{width:44px;height:44px}.choice{padding:28px 30px 25px;min-height:310px}.choice-bottom{gap:12px}.resource-row{gap:13px;flex-wrap:wrap}.resource-text{flex-basis:160px}dialog{max-width:760px}.dialog-close{width:44px;height:44px;top:6px;right:8px}#dialog-body h2{padding-right:20px}footer{flex-wrap:wrap}
@media(max-width:600px){.intro p,.choice p,#dialog-body p{font-size:16px}.choice{padding:22px 20px;min-height:290px}.choice-bottom{font-size:14px}.sample-note,.resource-text small,.guide-list .resource-text small{font-size:13px}.brand img{width:38px;height:38px}.brand{gap:8px}.brand strong{font-size:15px}header{gap:10px}.resource-text strong,.guide-list .resource-text strong{font-size:16px}.resource-text{flex-basis:150px}}
@media(max-width:480px){.choices{grid-template-columns:1fr}.choice{min-height:0}.choice-top{margin-bottom:10px}.choice p br{display:none}.choice-bottom{margin-top:20px}h1{font-size:32px}}