@charset "UTF-8";
/* 그때 나라면 — 「수 읽기」와 같은 결의 화면: 미색 바탕, 파랑 한 가지, 고정폭 숫자, 손글씨 메모 같은 기울임. */
:root{color-scheme:light;--bg:#f6f6f2;--surface:#fff;--ink:#202327;--muted:#65676b;--line:#ddded8;--blue:#2e49de;--on-blue:#fff;--tint:#ebeeff;--soft:#eeeee8;--radius:20px;--pop:cubic-bezier(.3,.7,.4,1.3);font-family:"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",sans-serif;font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:24px}
:root[data-theme="dark"]{color-scheme:dark;--bg:#181a20;--surface:#22252d;--ink:#f0f1f5;--muted:#b0b3bf;--line:#3c404c;--blue:#a5b3ff;--on-blue:#14172a;--tint:#2d344e;--soft:#292c35}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.65}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer;border:0;touch-action:manipulation}
button:disabled{cursor:default}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
h1,h2,h3,p{margin:0}
h1,h2,h3,p,li{word-break:keep-all;overflow-wrap:anywhere}
[hidden]{display:none!important}
.wrap{max-width:1240px;margin-inline:auto;padding-inline:40px}
.skip{position:absolute;left:-9999px;background:var(--surface);padding:15px;z-index:20}.skip:focus{position:fixed;left:20px;top:10px}
.mono,.round-label,dd,.people-num,.case-card small{font-family:Consolas,"SF Mono",monospace}

/* 머리 */
.site-header{height:92px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);color:var(--on-blue);font-weight:800;text-align:center;font-size:19px;line-height:34px;transform:rotate(-7deg);transition:transform .35s var(--pop)}
.brand:hover .brand-mark{transform:rotate(7deg) scale(1.08)}
.brand strong{font-size:21px;letter-spacing:-1px}
.brand-sub{font-size:12px;color:var(--muted);margin-left:12px}
.site-header nav{display:flex;align-items:center;gap:25px;font-size:13px}
.site-header nav>a{padding-block:14px}
.text-button{background:none;padding:12px 4px;min-height:44px;font-size:13px;white-space:nowrap;color:var(--muted)}
.text-button:hover,a:hover{color:var(--blue)}

/* 첫 화면 */
.intro{display:flex;justify-content:space-between;align-items:center;padding-block:50px 40px}
.eyebrow{font-size:10px;letter-spacing:2px;color:var(--blue);font-weight:700;margin-bottom:15px}
h1{font-size:clamp(36px,4vw,52px);line-height:1.25;letter-spacing:-2.5px;font-weight:750}
h1 span{color:var(--blue)}
.intro-copy{margin-top:18px;color:var(--muted);line-height:1.8}
.intro-note{padding:25px 28px 12px 0;transform:rotate(-4deg)}
.intro-note p{font-size:17px;line-height:1.7;margin:14px 0;color:var(--muted)}
.note-line{display:block;width:42px;border-top:2px solid var(--blue)}
.mono{font-size:10px;letter-spacing:1.5px;color:var(--muted)}

/* 연습판 */
.play-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(300px,1fr);gap:20px;align-items:start}
.arena{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:24px 30px 18px}
.arena-top{display:flex;align-items:center;gap:10px}
.round-label{letter-spacing:1px;font-size:12px;color:var(--muted)}
.round-label b{color:var(--ink);font-size:17px;margin-left:5px}
.cat-chip{font-size:11px;font-weight:600;padding:3px 10px;border-radius:99px;background:var(--soft);color:var(--muted)}
.lock-status{margin-left:auto;font-size:11px;padding:5px 10px;border:1px solid var(--line);border-radius:7px;color:var(--blue);white-space:nowrap}
.case-title{font-size:25px;letter-spacing:-1px;line-height:1.4;margin-top:24px}
.case-story{font-size:16px;line-height:1.9;margin-top:12px}
.case-q{font-weight:700;color:var(--blue);margin-top:18px}
.options{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}
.option{width:100%;display:grid;grid-template-columns:30px 1fr;gap:14px;align-items:start;text-align:left;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:15px 18px;min-height:64px;font-size:15px;font-weight:600;line-height:1.55;transition:background .15s,border-color .15s,transform .2s var(--pop)}
.option:hover:not(:disabled){background:var(--tint);border-color:var(--blue);transform:translateY(-3px)}
.option:active:not(:disabled){transform:translateY(1px) scale(.99)}
.option-letter{width:30px;height:30px;border-radius:9px;background:var(--soft);color:var(--muted);display:grid;place-items:center;font:12px Consolas,monospace;transition:background .2s,color .2s}
.option-body{display:block;min-width:0;padding-top:2px}
.option-text{display:block}
.option-meta{display:block;animation:rise .4s ease-out both}
.option-tags{display:flex;gap:6px;margin-top:8px}
.tag{font-size:10px;font-weight:700;padding:2px 9px;border-radius:99px;line-height:1.7}
.tag-me{background:var(--blue);color:var(--on-blue)}
.tag-ai{border:1px solid var(--blue);color:var(--blue)}
.option-note{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:7px;line-height:1.75}
.then{display:block;font-size:10px;font-weight:700;color:var(--blue);letter-spacing:.3px;margin-bottom:2px}
.option-people{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;margin-top:10px}
.bar{height:6px;background:var(--line);border-radius:8px;overflow:hidden}
.bar i{display:block;height:100%;width:var(--value);background:var(--blue);border-radius:8px;transform-origin:left;animation:grow .6s ease-out both}
.people-num{font-size:12px;color:var(--blue);white-space:nowrap}
.arena.is-revealed .option.is-mine{border-color:var(--blue);background:var(--tint);animation:boing .5s var(--pop)}
.arena.is-revealed .option.is-ai .option-letter{background:var(--blue);color:var(--on-blue)}
.arena.is-revealed .option:not(.is-mine):not(.is-ai) .option-text{color:var(--muted)}
.primary,.secondary{padding:13px 21px;border-radius:10px;font-size:14px;font-weight:600;min-height:48px;white-space:nowrap}
.primary{background:var(--blue);color:var(--on-blue)}
.secondary{background:var(--soft)}
.next{width:100%;margin-top:14px;display:flex;align-items:center;justify-content:space-between;animation:rise .35s ease-out both}
.next span{font-size:20px;transition:transform .2s}
.next:hover span{transform:translateX(4px)}
.arena-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11px;color:var(--muted);margin-top:10px}
.arena-links{display:flex;gap:16px}
.inline-link{padding:8px 0;min-height:44px;background:none;text-decoration:underline;text-underline-offset:4px;color:var(--blue);font-size:12px}

/* 옆 판: AI와 사람들 */
.round-panel{background:var(--soft);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;min-width:0;position:sticky;top:20px}
.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}
.panel-heading h2{font-size:17px;letter-spacing:-.5px}
.small-label{font-size:10px;font-weight:600;color:var(--muted)}
.mochi{display:block;overflow:visible}
.panel-mochi{width:96px;height:auto}
.sealed-box{text-align:center;padding:24px 0 22px}
.sealed-box .panel-mochi{margin:0 auto 14px;animation:breathe 3.6s ease-in-out infinite;transform-origin:50% 100%}
.sealed-box h3{font-size:16px}
.sealed-box p{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.9}
.count-line{font:12px Consolas,monospace;color:var(--blue)!important;margin-top:14px!important}
#panel-after{padding-top:16px;animation:rise .45s ease-out both}
.ai-head{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:center}
.ai-head .panel-mochi{width:72px;animation:boing .6s var(--pop);transform-origin:50% 100%}
.ai-head h3{font-size:15px;line-height:1.55;margin-top:4px}
.why{font-size:13px;color:var(--muted);line-height:1.9;margin-top:14px}
.key{margin:16px 0 0;padding:12px 16px;border-left:3px solid var(--blue);background:var(--surface);border-radius:0 12px 12px 0}
.key strong{display:block;font-size:15px;margin-top:2px;letter-spacing:-.3px}
.people{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}
.people h3{font-size:15px}
.people p{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.85}
.people strong{color:var(--ink)}
.people .big{font:28px Consolas,monospace;color:var(--blue);letter-spacing:-1px}
.commit-strip{display:flex;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:20px}
.commit-icon{font-size:24px;color:var(--blue);line-height:1.1}
.commit-strip strong{font-size:12px;font-weight:600}
.commit-strip p{font-size:11px;color:var(--muted);margin-top:2px;line-height:1.8}

/* 성적 */
.score-strip{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-block:30px 32px;border-bottom:1px solid var(--line)}
.score-title{display:flex;flex-direction:column;gap:5px}
.score-title strong{font-size:14px;font-weight:600}
.score-strip dl{display:grid;grid-template-columns:repeat(4,auto);gap:44px;margin:0}
.score-strip dl>div{display:flex;flex-direction:column}
dt{font-size:11px;color:var(--muted)}
dd{font-size:30px;margin:3px 0 0;letter-spacing:-1.5px}

/* 기록 */
.analysis-section,.history-section{padding-top:60px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px}
.section-head h2{font-size:25px;letter-spacing:-1px}
.section-head p{color:var(--muted);font-size:12px;margin-top:8px}
progress{display:block;appearance:none;width:100%;height:3px;border:0;margin-top:22px;background:var(--line);border-radius:3px}
progress::-webkit-progress-bar{background:var(--line);border-radius:3px}
progress::-webkit-progress-value{background:var(--blue);border-radius:3px;transition:width .5s}
progress::-moz-progress-bar{background:var(--blue)}
.analysis-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:36px;padding-top:30px}
.analysis-grid h3{font-size:15px;margin-bottom:18px}
.cat-row{display:grid;grid-template-columns:56px 1fr 44px;gap:10px;align-items:center;font-size:12px;margin-bottom:13px}
.cat-row b{font:13px Consolas,monospace;font-weight:400;text-align:right}
.cat-row .empty{color:var(--muted);font-size:11px}
.keys{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.keys li{font-size:13px;font-weight:600;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:10px;display:flex;gap:10px;align-items:baseline}
.keys li small{font-size:10px;font-weight:500;color:var(--muted);white-space:nowrap}
.keys .empty{background:none;border-style:dashed;color:var(--muted);font-weight:400}
.coach-block{background:var(--tint);border-radius:14px;padding:22px 24px 26px;position:relative;min-height:200px}
.coach-block .small-label{color:var(--blue)}
.coach-block h3{font-size:17px;line-height:1.6;margin:12px 0 10px;padding-right:20px}
.coach-block p{font-size:12px;color:var(--muted);line-height:1.9;padding-right:64px}
.coach-mochi{position:absolute;right:16px;bottom:14px;width:64px;height:auto}

/* 상황 목록 */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.chip{min-height:44px;padding:8px 16px;border-radius:99px;border:1px solid var(--line);background:var(--surface);font-size:13px;color:var(--muted);transition:background .15s,color .15s,border-color .15s}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.chip b{font:11px Consolas,monospace;font-weight:400;margin-left:4px;opacity:.7}
.history-list{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.case-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;text-align:left;padding:14px 16px;display:flex;flex-direction:column;gap:6px;min-height:118px;transition:border-color .15s,transform .2s var(--pop)}
.case-card:hover{border-color:var(--blue);transform:translateY(-3px)}
.case-card small{font-size:10px;color:var(--muted);letter-spacing:.5px}
.case-card strong{font-size:14px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-card span{margin-top:auto;font-size:11px;color:var(--muted)}
.case-card.is-done span{color:var(--blue);font-weight:600}
.case-card.is-current{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}
.more{display:block;margin:18px auto 0}

/* 질문 노트 */
.theory-section{display:grid;grid-template-columns:1fr 1.5fr;gap:65px;padding-block:75px 65px;margin-top:25px}
.theory-heading h2{font-size:29px;line-height:1.5;letter-spacing:-1.3px}
.theory-heading>p{font-size:12px;color:var(--muted);margin-top:16px}
.theory-notes details{border-bottom:1px solid var(--line)}
.theory-notes summary{list-style:none;display:flex;gap:17px;padding:19px 25px 19px 0;position:relative;font-size:14px;font-weight:600;cursor:pointer;min-height:44px}
.theory-notes summary::-webkit-details-marker{display:none}
.theory-notes summary:after{content:'+';position:absolute;right:0;font-size:20px;color:var(--blue);font-weight:400}
.theory-notes details[open] summary:after{content:'−'}
.theory-notes summary>span{font:11px Consolas,monospace;color:var(--blue);padding-top:5px}
.theory-notes details>div{padding:0 14px 22px 31px}
.theory-notes p{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:8px}

footer.wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:30px;border-top:1px solid var(--line)}
footer p{font-size:12px;color:var(--muted)}
footer>span{font-size:10px;color:var(--muted);text-align:right;line-height:1.8}
.footer-brand{transform:scale(.85);transform-origin:left center}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:12px;font-size:13px;opacity:0;transition:opacity .25s,transform .25s var(--pop);z-index:30;pointer-events:none}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes boing{0%{transform:scale(1)}30%{transform:scale(1.04,.96)}60%{transform:scale(.98,1.02)}100%{transform:scale(1)}}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.025,.965)}}
.arena.is-entering .case-title,.arena.is-entering .case-story,.arena.is-entering .case-q,.arena.is-entering .options{animation:rise .4s ease-out both}
.arena.is-entering .case-story{animation-delay:.05s}.arena.is-entering .case-q{animation-delay:.1s}.arena.is-entering .options{animation-delay:.14s}

.next-panel{margin-top:18px}
@media(min-width:768px){.next-panel{display:none!important}}
@media(max-width:1023px){
  .wrap{padding-inline:28px}.brand-sub{display:none}
  .play-layout{grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:15px}
  .arena{padding:22px}.round-panel{padding:23px}
  .score-strip dl{gap:27px}
  .analysis-grid{gap:22px;grid-template-columns:1fr 1fr}.coach-block{grid-column:1 / -1}
  .history-list{grid-template-columns:repeat(3,1fr)}
  .theory-section{gap:35px}
}
@media(max-width:767px){
  .wrap{padding-inline:20px}
  .site-header{height:74px}.site-header nav{gap:15px;font-size:12px}
  .brand strong{font-size:19px}.brand-mark{width:30px;height:30px;font-size:17px;line-height:30px}
  .site-header .text-button{font-size:11px}
  .intro{padding-block:35px 27px}.intro-note{display:none}
  .eyebrow{font-size:9px;letter-spacing:1.5px}.intro-copy{font-size:13px;margin-top:14px}
  h1{font-size:36px;letter-spacing:-2px}
  .play-layout{grid-template-columns:1fr;gap:16px}
  .arena{padding:20px}.round-panel{padding:22px;position:static}
  .case-title{font-size:22px;margin-top:20px}.case-story{font-size:15px}
  .option{padding:14px 15px;gap:12px;font-size:15px}
  .next-arena{display:none!important}
  .key-hint{display:none}.arena-bottom{justify-content:flex-end}
  .sealed-box{display:grid;grid-template-columns:72px 1fr;text-align:left;gap:0 16px;padding:18px 0 4px}
  .sealed-box .panel-mochi{width:72px;grid-row:1 / 4;margin:0;align-self:center}
  .sealed-box p{font-size:11px;margin-top:4px}
  .score-strip{display:block;padding-block:24px}
  .score-title{flex-direction:row;align-items:center;gap:12px;margin-bottom:17px}
  .score-strip dl{grid-template-columns:repeat(4,1fr);gap:10px}
  dd{font-size:24px}dt{font-size:10px}
  .section-head{align-items:flex-start}.section-head h2{font-size:21px;letter-spacing:-.8px}
  .analysis-section,.history-section{padding-top:40px}
  .analysis-grid{grid-template-columns:1fr;gap:28px}
  .history-list{grid-template-columns:repeat(2,1fr);gap:8px}
  .case-card{padding:12px;min-height:112px}.case-card strong{font-size:13px}
  .theory-section{grid-template-columns:1fr;gap:24px;padding-block:47px 40px;margin-top:0}
  .theory-heading h2{font-size:26px}
  footer.wrap{flex-wrap:wrap;gap:12px;padding-block:22px}
  footer>span{text-align:left;width:100%}
}
@media(max-width:359px){
  .wrap{padding-inline:14px}.site-header nav{gap:10px}.brand{gap:7px}.brand strong{font-size:17px}
  .arena{padding:16px}h1{font-size:32px}
  .score-strip dl{grid-template-columns:repeat(2,1fr);gap:14px}
  .history-list{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}