@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{font-family:'Noto Sans KR',system-ui,sans-serif;color:#193f35;background:#f5f8f4;font-synthesis:none;--green:#235943;--ink:#193f35;--yellow:#f3cd58;--muted:#66776e;--line:#dce5dc}*{box-sizing:border-box}body{margin:0}button,select{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:default}a,button,select{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #2b69c4;outline-offset:4px}button:disabled{opacity:.55}.topbar{height:85px;max-width:1260px;padding:0 34px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:900;font-size:23px;letter-spacing:-.04em}.brand img{object-fit:contain}.tools{display:flex;align-items:center;gap:18px}select{padding:10px 27px 10px 12px;border:1px solid #cfdacc;background:white;border-radius:9px;min-height:44px;font-size:14px}.text-btn{border:0;background:transparent;text-decoration:underline;text-underline-offset:5px;padding:10px 2px;font-size:14px;font-weight:600;min-height:44px}main{max-width:1192px;padding:28px 0 38px;margin:auto}.case-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.eyebrow{font-size:13px;letter-spacing:.08em;font-weight:700;color:var(--muted);margin:0 0 9px}h1{font-size:34px;line-height:1.3;margin:0;font-weight:900;letter-spacing:-.06em}h2{font-size:26px;letter-spacing:-.04em;line-height:1.5;margin:23px 0 12px;font-weight:800;word-break:keep-all;overflow-wrap:anywhere}.layout{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,1fr);gap:30px;align-items:start}.scene{margin:0;background:var(--green);border-radius:20px;overflow:hidden;box-shadow:0 8px 25px #163b2210}.scene>img{width:100%;height:auto;aspect-ratio:3/2;display:block;object-fit:cover}.scene figcaption{padding:17px 22px 21px;color:white;display:flex;flex-direction:column;gap:9px}.scene figcaption span:first-child{font-size:13px;color:#d1e1cf}.scene figcaption span:last-child{font-size:23px;font-weight:700;letter-spacing:-.02em}.notebook{margin-top:20px;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:15px}.notebook-head{display:flex;align-items:center;gap:10px}.notebook-head h2{font-size:18px;margin:0;letter-spacing:-.02em}.notebook-icon{font-size:26px;line-height:1;transform:rotate(90deg);color:#69836b}.note-count{margin-left:auto;font-size:13px;font-weight:700;background:#eaf0e6;border-radius:7px;padding:4px 9px}.empty-note{color:var(--muted);font-size:15px;line-height:1.8;margin:18px 0 8px}.notebook-hint{font-size:13px;line-height:1.7;color:var(--muted);margin:13px 0 0}.notebook ol{padding-left:23px;margin:20px 0 0}.notebook li{padding-left:7px;margin:0 0 19px}.notebook li::marker{font-weight:800;color:#426544}.note-type{font-size:13px;font-weight:700;color:#657362}.notebook li p{font-size:15px;line-height:1.8;margin:5px 0 0}.investigation{border:1px solid var(--line);background:#fff;border-radius:20px;padding:28px 30px;box-shadow:0 10px 36px #29432205;scroll-margin-top:16px}.progress-row{display:flex;justify-content:space-between;gap:10px;font-size:13px;font-weight:700;color:#637767}.progress-track{height:5px;background:#edf1e9;border-radius:5px;overflow:hidden;margin-top:12px}#progress{height:100%;background:#558a55;border-radius:5px}.intro{font-size:16px;color:#657369;line-height:1.85;margin:0 0 23px;word-break:keep-all;overflow-wrap:anywhere}.choice-help{font-size:13px;color:var(--muted);margin:0 0 10px}.choices{display:grid;gap:10px}.choice{display:flex;align-items:center;text-align:left;gap:13px;padding:15px 16px;min-height:65px;border:1.5px solid #d9e3d8;border-radius:12px;background:#fff;font-size:17px;font-weight:600;line-height:1.6;word-break:keep-all;overflow-wrap:anywhere;width:100%}.choice[aria-pressed=true]{border-color:#37694b;background:#eef5e9;box-shadow:0 0 0 1px #37694b}.choice:disabled{opacity:1}.choice:disabled[aria-pressed=false]{color:#899089;background:#fafbf9}.checkmark{height:23px;width:23px;border:1.5px solid #bfcdbd;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-size:15px;color:transparent;background:white}.checkmark.square{border-radius:6px}.choice[aria-pressed=true] .checkmark{background:var(--green);border-color:var(--green);color:white}.primary{border:0;border-radius:12px;background:var(--green);color:white;padding:15px 18px;min-height:56px;font-size:17px;font-weight:700;line-height:1.6}.primary:disabled{background:#e0e7de;color:#7b877a;opacity:1}.action{width:100%;margin-top:21px;display:flex;justify-content:space-between;align-items:center;gap:14px}.action span{font-size:23px;line-height:1}.secondary{min-height:52px;padding:12px 18px;background:#edf2e9;border:1px solid var(--line);border-radius:12px;font-weight:600;font-size:16px}.word{font:inherit;font-weight:inherit;border:0;border-bottom:1.5px dotted currentColor;padding:0 1px;background:transparent;line-height:inherit;display:inline;color:inherit;border-radius:0}.word:hover{background:#fff2b2}.footnote{text-align:center;color:#7b8578;font-size:13px;line-height:1.7;margin:22px 0 0}.feedback{border-radius:12px;padding:16px 18px;margin-top:18px;line-height:1.8;font-size:16px;word-break:keep-all}.feedback strong{font-size:14px;font-weight:800}.feedback p{margin:6px 0 0}.feedback.success{background:#eef5e8;color:#355c39}.feedback.rethink{background:#fff5d8;color:#69501f}.reply{font-weight:700}.small-note{font-size:13px;color:#758072;line-height:1.8;margin:15px 0 0}fieldset{border:0;padding:0;margin:24px 0 0;min-width:0}legend{padding:0;font-size:15px;font-weight:700;margin-bottom:12px;line-height:1.7}.evidence .choice{font-size:15px;font-weight:500;min-height:55px;padding:12px}.witness{padding:14px 17px;border-left:3px solid var(--yellow);background:#fcf8e9;border-radius:0 10px 10px 0;margin:0 0 20px}.witness span{font-size:13px;font-weight:700;color:#88733b}.witness p{font-size:16px;line-height:1.8;margin:6px 0 0}.new-scene-tag{border-left:3px solid #7291b3;padding:9px 14px;background:#eff4fa;color:#526983;font-size:14px;line-height:1.7;margin:-3px 0 20px}.transfer-scene .scene,.transfer-scene .notebook{opacity:.65}.finish-mark{width:64px;height:64px;border-radius:50%;background:var(--yellow);font-size:31px;display:grid;place-items:center;margin-top:25px;font-weight:800}.takeaway{background:#f0f5ec;border-radius:12px;padding:18px 20px;margin-top:22px}.takeaway h3{font-size:15px;margin:0 0 14px}.takeaway ol{padding-left:22px;font-size:16px;line-height:1.9;margin:0}.takeaway li{padding-left:5px;margin:6px 0}.adult{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;line-height:1.8;color:#647263}.adult summary{font-weight:700;cursor:pointer;min-height:44px}.adult ul{list-style:none;padding:0}.adult li{display:flex;flex-direction:column;gap:4px;margin:15px 0}.adult strong{color:#39553d;font-weight:600}dialog{width:min(460px,calc(100% - 32px));max-height:85vh;overflow:auto;padding:25px;border:1px solid #dce5d9;border-radius:18px;color:var(--ink);box-shadow:0 20px 90px #122b2740}dialog::backdrop{background:#12312c70;backdrop-filter:blur(3px)}dialog h2{font-size:23px;margin:0}dialog p{font-size:17px;line-height:1.85}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.close-btn{font-size:27px;min-height:44px;min-width:44px;border:0;border-radius:10px;background:#eff3ea}.definition{margin:20px 0 8px}dl{line-height:1.8}dt{font-size:17px;font-weight:800;margin-top:20px}dd{font-size:16px;color:#647263;margin:5px 0 0}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}#question-title:focus{outline:none}@media(min-width:851px){.scene-column{position:sticky;top:22px}}@media(max-width:1250px){main{margin:0 30px}}@media(max-width:850px){.topbar{height:72px;padding:0 20px}.brand{font-size:20px}.brand img{width:35px;height:39px}.tools{gap:12px}main{margin:0 auto;padding:23px 18px 30px;max-width:650px}.case-heading{margin-bottom:19px;gap:12px}h1{font-size:28px}.eyebrow{font-size:12px;letter-spacing:.04em}.layout{grid-template-columns:1fr;gap:18px}.scene>img{max-height:340px;object-position:center 50%}.scene figcaption{padding:12px 18px 16px;gap:6px}.scene figcaption span:last-child{font-size:21px}.notebook{margin-top:15px;padding:17px 19px}.notebook ol{margin-top:15px}.notebook li{margin-bottom:13px}.notebook-hint{display:none}.empty-note{margin:11px 0 0;font-size:14px}.investigation{padding:23px 21px}h2{font-size:24px;margin-top:20px}.transfer-scene{display:none}}@media(max-width:380px){.topbar{padding:0 13px}.tools{gap:8px}.brand{font-size:17px;gap:4px}.brand img{width:29px}.text-btn{font-size:13px}select{font-size:13px;padding:9px 19px 9px 7px}.case-heading{align-items:flex-start}h1{font-size:25px}.investigation{padding:20px 16px}.choice{font-size:16px;padding:13px 12px;gap:10px}.scene figcaption span:last-child{font-size:20px}}@media(prefers-reduced-motion:no-preference){.choice,.primary{transition:background .15s,border-color .15s}.choice:not(:disabled):hover{background:#f2f7ed}.primary:not(:disabled):hover{background:#173f2e}}
@media(max-width:850px){.notebook.is-empty{display:none}}

.case-nav{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 22px}.case-nav a{font-size:14px;line-height:1.6;min-height:44px;padding:10px 14px;border:1px solid var(--line);border-radius:11px;color:var(--muted);text-decoration:none;background:#fff}.case-nav a[aria-current=page]{background:var(--green);color:#fff;border-color:var(--green)}.next-case{display:flex;justify-content:center;align-items:center;min-height:50px;padding:13px 16px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-weight:700;text-decoration:none;color:var(--green);background:#fff;margin:15px 0}