:root{--bg: #eef3f0;--surface: #ffffff;--surface-2: #e9f0ec;--line: #dde7e2;--line-strong: #cfdcd6;--text: #10211d;--text-2: #36473f;--muted: #7c8a83;--accent: #0f766e;--accent-press: #115e59;--accent-soft: #d8efea;--good: #16a34a;--good-soft: #e9f7ee;--warn: #d97706;--warn-soft: #fdf2e3;--bad: #e5484d;--radius: 18px;--shadow-sm: 0 1px 2px rgba(16, 33, 29, .05);--shadow: 0 4px 18px rgba(16, 33, 29, .08);--shadow-accent: 0 6px 18px rgba(15, 118, 110, .26);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;letter-spacing:-.01em}.app{max-width:480px;margin:0 auto;padding:18px 18px 60px;min-height:100%}.topbar{display:flex;align-items:center;justify-content:space-between;padding:6px 2px 16px}.brand{font-weight:800;font-size:19px;letter-spacing:-.03em;color:var(--text)}.brand .beta{font-size:10px;color:var(--accent);background:var(--accent-soft);padding:3px 7px;border-radius:999px;margin-left:7px;font-weight:800;vertical-align:middle;letter-spacing:.02em}.topbar .meta{font-size:12.5px;color:var(--muted);text-align:right;font-weight:600}button{font-family:inherit;cursor:pointer;border:none;-webkit-tap-highlight-color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:15px 18px;border-radius:14px;font-weight:700;font-size:15.5px;background:var(--surface);color:var(--text);border:1px solid var(--line-strong);width:100%;transition:transform .06s ease,background .15s,box-shadow .15s;letter-spacing:-.01em}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}.btn.primary:active{background:var(--accent-press)}.btn.success{background:var(--good);border-color:var(--good);color:#fff;box-shadow:0 6px 18px #16a34a42}.btn.ghost{background:var(--surface);color:var(--text-2)}.btn.sm{padding:10px 14px;font-size:13.5px;width:auto;border-radius:11px;box-shadow:none}.btn:disabled{opacity:.45}.row{display:flex;gap:10px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:14px 0;box-shadow:var(--shadow-sm)}.tag{display:inline-block;font-size:12.5px;color:var(--accent);background:var(--accent-soft);padding:5px 11px;border-radius:999px;margin:0 6px 6px 0;font-weight:700}.topic{font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:600}.qtext{font-size:15.5px;line-height:1.75;color:var(--text-2)}.proof{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.6}.muted{color:var(--muted);font-size:12.5px}.cd-title{font-size:13px;color:var(--warn);font-weight:800}.countdown{display:flex;gap:8px;justify-content:center;margin:16px 0}.cd-box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 10px;min-width:60px;box-shadow:var(--shadow-sm)}.cd-box .n{font-size:24px;font-weight:800;color:var(--text);letter-spacing:-.03em;font-variant-numeric:tabular-nums}.cd-box .l{font-size:10.5px;color:var(--muted);font-weight:700;letter-spacing:.05em;margin-top:2px}.cloze{font-size:16.5px;line-height:2.35;color:var(--text)}.blank-input{display:inline-block;min-width:72px;width:auto;background:var(--surface-2);border:1.5px solid transparent;border-bottom:2px solid var(--accent);color:var(--accent);font:inherit;font-weight:700;text-align:center;padding:3px 8px;margin:0 3px;border-radius:8px}.blank-input:focus{outline:none;background:var(--accent-soft)}.blank-input.ok{border-bottom-color:var(--good);color:var(--good);background:var(--good-soft)}.blank-input.bad{border-bottom-color:var(--bad);color:var(--bad);background:#fdeced}.blank-shown{display:inline-block;color:var(--text-2);background:var(--surface-2);border-radius:7px;padding:1px 7px;margin:0 2px;font-weight:600}.blank-reveal{color:var(--good);font-weight:800}.slider-row{display:flex;align-items:center;gap:12px;margin:14px 0 2px;font-size:12.5px;color:var(--muted);font-weight:600}input[type=range]{flex:1;accent-color:var(--accent);height:4px}.feedback{margin-top:14px;padding:13px 14px;border-radius:12px;font-size:14px;font-weight:600}.feedback.ok{background:var(--good-soft);color:var(--good)}.feedback.mid{background:var(--warn-soft);color:var(--warn)}.answerbox{margin-top:12px;padding:14px;background:var(--surface-2);border-radius:12px;font-size:14px;line-height:1.65;color:var(--text-2)}.answerbox .src{color:var(--muted);font-size:12px;margin-top:8px}.review-flag{font-size:11px;color:var(--warn);margin-top:8px;font-weight:600}.flash{min-height:190px;display:flex;align-items:center;justify-content:center;text-align:center;cursor:pointer;-webkit-user-select:none;user-select:none;padding:8px}.flash .front{font-size:18.5px;font-weight:700;line-height:1.55;color:var(--text)}.flash .back{font-size:15.5px;line-height:1.75;color:var(--text-2)}.flash .hint{font-size:12px;color:var(--muted);margin-top:14px;font-weight:600}.nav{display:flex;justify-content:space-between;gap:10px;margin-top:12px}.modebar{display:flex;gap:4px;background:var(--surface-2);border-radius:13px;padding:4px;margin-bottom:10px}.modebar button{flex:1;padding:10px;border-radius:10px;background:transparent;color:var(--muted);font-weight:700;font-size:14px;transition:background .15s,color .15s}.modebar button.active{background:var(--surface);color:var(--accent);box-shadow:var(--shadow-sm)}.toolbar{display:flex;gap:6px;margin-bottom:10px}.toolbar button{flex:1;padding:11px 6px;border-radius:12px;background:var(--surface);border:1px solid var(--line);color:var(--text-2);font-weight:700;font-size:13px;transition:all .15s;white-space:nowrap}@media (max-width: 420px){.toolbar button{padding:11px 3px;font-size:12px}.badge{margin-left:3px;min-width:16px;font-size:10px;line-height:16px}}.toolbar button.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:var(--shadow-accent)}.badge{display:inline-block;min-width:18px;padding:0 5px;margin-left:5px;border-radius:999px;background:var(--bad);color:#fff;font-size:11px;font-weight:800;line-height:18px}.toolbar button.active .badge{background:#ffffff47}.deck-label{font-size:12.5px;color:var(--muted);margin:2px 2px 10px;font-weight:600}.progressbar{height:6px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin:2px 0 14px}.progressbar>span{display:block;height:100%;background:var(--accent);border-radius:999px;transition:width .3s ease}.tagwrap{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.tagchip{padding:9px 13px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);color:var(--text-2);font-size:13px;font-weight:600;transition:all .12s}.tagchip.on{background:var(--accent);border-color:var(--accent);color:#fff}.tagchip .c{color:var(--muted);font-size:11px;margin-left:5px}.tagchip.on .c{color:#ffffffbf}.statpanel .head{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:10px;font-weight:600}.statpanel .mine{color:var(--accent);font-weight:800}.lp-dist{margin-top:8px}.lp-distrow{display:flex;align-items:center;gap:10px;margin:7px 0;font-size:12px}.lp-distrow .dl{width:56px;color:var(--muted);font-weight:600}.lp-distrow .db{flex:1;height:9px;background:var(--surface-2);border-radius:999px;overflow:hidden}.lp-distrow .db>span{display:block;height:100%;background:var(--accent);border-radius:999px}.lp-distrow .dv{width:36px;text-align:right;color:var(--text-2);font-weight:700}.empty{text-align:center;color:var(--muted);padding:30px 10px;font-size:14px;line-height:1.7}.footer{text-align:center;color:var(--muted);font-size:11px;margin-top:22px;line-height:1.7}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1218216b;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:flex-end;justify-content:center;z-index:50}.sheet{position:relative;background:var(--surface);width:100%;max-width:480px;border-radius:22px 22px 0 0;padding:24px 20px 30px;box-shadow:0 -8px 40px #1218212e;animation:slideup .25s ease;max-height:85vh;max-height:85dvh;overflow-y:auto;-webkit-overflow-scrolling:touch}.sheet-x{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:19px;line-height:1;display:flex;align-items:center;justify-content:center}.sheet-x:hover{background:var(--line);color:var(--text-2)}@media (min-width: 880px){.overlay{align-items:center;padding:24px}.sheet{border-radius:22px;max-width:440px;animation:fadeScale .2s ease}}@keyframes fadeScale{0%{transform:scale(.97);opacity:.6}to{transform:scale(1);opacity:1}}@keyframes slideup{0%{transform:translateY(24px);opacity:.6}to{transform:translateY(0);opacity:1}}.sheet h2{font-size:21px;margin:2px 0 6px;letter-spacing:-.03em}.sheet p{color:var(--muted);font-size:14px;margin:4px 0 16px;line-height:1.6}.price{font-size:32px;font-weight:800;color:var(--text);letter-spacing:-.03em}.price small{font-size:14px;color:var(--muted);font-weight:600}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}.chip{padding:10px 14px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);color:var(--text-2);font-size:13px;font-weight:600;transition:all .12s}.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}.field{width:100%;padding:13px;border-radius:12px;background:var(--surface);border:1px solid var(--line-strong);color:var(--text);font:inherit;margin:7px 0}.field:focus{outline:none;border-color:var(--accent)}html,body{overflow-x:hidden}.lp{max-width:1140px;margin:0 auto;padding:0 24px 90px}.lp-nav{position:sticky;top:0;z-index:30;width:100vw;margin-left:calc(50% - 50vw);background:#f5f6f8d1;-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px)}.lp-nav-inner{max-width:1140px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.lp-nav .brand{font-size:21px}.lp-nav-actions{display:flex;gap:10px;flex:none}.lp .sub{color:var(--text-2);font-size:16px;line-height:1.7;margin:8px 0 14px}.lp-body{font-size:15px;line-height:1.85;color:var(--muted);margin:16px 0 20px}.lp h2{font-size:26px;line-height:1.32;letter-spacing:-.035em;font-weight:800;margin:0 0 10px;color:var(--text)}.lp-hero{text-align:center;max-width:900px;margin:0 auto;padding:40px 0 34px}.lp-hero h1{font-size:46px;line-height:1.16;letter-spacing:-.045em;font-weight:800;margin:16px auto 14px;color:var(--text);max-width:20ch}.lp-hero .sub{max-width:640px;margin:8px auto 18px}.lp-hero .countdown{justify-content:center}.lp-hero .proof{max-width:700px;margin:16px auto 0}.lp-embed{padding:6px 0 44px}.lp-embed-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;align-items:start}.lp-embed-grid .card{margin:0}.lp-sec{padding:60px 0;border-top:1px solid var(--line)}.lp-sec-head{text-align:center;max-width:700px;margin:0 auto 30px}.lp-sec-cta{text-align:center;margin-top:30px}.lp-sec-cta .btn,.lp-band .btn{width:auto;display:inline-flex}.lp-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.lp-split .lp-body{text-align:left}.lp-featgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lp-feat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}.lp-feat .ic{font-size:26px}.lp-feat .ft{font-weight:800;margin:12px 0 5px;font-size:16px;letter-spacing:-.02em}.lp-feat .fd{color:var(--muted);font-size:13.5px;line-height:1.6}.lp-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lp-benefit{display:block;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow-sm)}.lp-benefit .bn{display:block;font-size:26px;font-weight:800;color:var(--accent);margin-bottom:12px}.lp-benefit .bt{font-weight:800;font-size:17px;margin-bottom:8px;letter-spacing:-.02em}.lp-benefit .bd{color:var(--muted);font-size:14px;line-height:1.65}.lp-subjects{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}.lp-subjects .lp-subject{width:260px;max-width:100%}.lp-subject{font:inherit;width:100%;cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;opacity:.62;box-shadow:var(--shadow-sm);text-align:center;transition:transform .14s ease,box-shadow .14s ease}.lp-subject.on{opacity:1;border-color:var(--accent);background:var(--accent-soft)}.lp-subject:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.lp-embed-subj{text-align:center;font-size:12.5px;font-weight:800;color:var(--accent);background:var(--accent-soft);width:fit-content;margin:0 auto 12px;padding:5px 13px;border-radius:999px}.lp-subject .st{font-weight:800;letter-spacing:-.02em;font-size:16px}.lp-subject .ss{font-size:12.5px;color:var(--muted);margin-top:6px;font-weight:600}.lp-subject.on .ss{color:var(--accent)}.lp-band{position:relative;left:50%;transform:translate(-50%);width:100vw;padding:70px 24px;margin:8px 0}.lp-band-inner{max-width:1140px;margin:0 auto}.lp-band.center .lp-band-inner{max-width:760px;text-align:center}.lp-band.accent{background:var(--accent-soft)}.lp-band.warn{background:var(--warn-soft)}.lp-band.warn h2{color:#b45309}.lp-band.dark{background:var(--text)}.lp-band.dark h2,.lp-band.dark .price{color:#fff}.lp-band.dark .sub{color:#ffffffbd}.lp-band.dark .lp-body{color:#fff9}.lp-band.dark .proof{color:#ffffff7a}.lp-band-split{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}.lp-demo .cloze{font-size:16px;line-height:2.3}.lp-footer{border-top:1px solid var(--line);margin-top:40px;padding:48px 16px 6px;text-align:center}.lp-footer .ft-brand{font-size:23px;font-weight:800;letter-spacing:-.035em;color:var(--text)}.lp-footer .ft-tagline{font-size:13.5px;color:var(--text-2);line-height:1.65;max-width:480px;margin:10px auto 0}.lp-footer .ft-sep{width:44px;height:3px;border-radius:999px;background:var(--accent);opacity:.55;margin:26px auto}.lp-footer .ft-company{font-size:12.5px;color:var(--muted);line-height:1.95;margin:0}.lp-footer .ft-company strong{color:var(--text-2);font-weight:800}.lp-footer .ft-company a{color:var(--accent);text-decoration:none}.lp-footer .ft-company a:hover{text-decoration:underline}.lp-footer .ft-note{font-size:11.5px;color:var(--muted);line-height:1.8;max-width:600px;margin:16px auto 0;opacity:.85}.lp-footer .ft-copy{font-size:11.5px;color:var(--muted);margin:18px 0 0;letter-spacing:.01em}.lp-footer .ft-legal-links{font-size:12.5px;margin:14px 0 0}.lp-footer .ft-legal-links a{color:var(--text-2);text-decoration:none}.lp-footer .ft-legal-links a:hover{color:var(--accent);text-decoration:underline}.auth-fine a{color:var(--accent);text-decoration:none}.auth-fine a:hover{text-decoration:underline}.auth-agree{display:flex;align-items:flex-start;gap:8px;margin:4px 0 12px;font-size:12.5px;color:var(--text-2);line-height:1.55;cursor:pointer}.auth-agree input{margin-top:2px;accent-color:var(--accent);width:16px;height:16px;flex:none;cursor:pointer}.auth-agree a{color:var(--accent);text-decoration:none}.auth-agree a:hover{text-decoration:underline}.remind-row{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--text-2);line-height:1.55}.remind-label{padding-top:1px}.remind-note{font-style:normal;font-weight:700}.remind-note.ok{color:var(--accent)}.remind-note.err{color:#e0483d}.switch{flex:none;position:relative;width:40px;height:23px;padding:0;margin-top:1px;border:none;border-radius:999px;background:var(--line-strong);cursor:pointer;transition:background .18s ease}.switch.on{background:var(--accent)}.switch:disabled{opacity:.6;cursor:default}.switch-knob{position:absolute;top:2px;left:2px;width:19px;height:19px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000040;transition:transform .18s ease}.switch.on .switch-knob{transform:translate(17px)}.report-row{margin-top:12px;text-align:center}.report-link{background:none;border:none;color:#8a93a2;font-size:12px;cursor:pointer;padding:4px 8px;text-decoration:underline}.report-link:hover{color:var(--text-2)}@media (max-width: 880px){.lp{padding:0 18px 70px}.lp-hero{padding:22px 0 26px}.lp-hero h1{font-size:31px;max-width:none}.lp-split,.lp-band-split{grid-template-columns:1fr;gap:26px}.lp-featgrid{grid-template-columns:1fr 1fr}.lp-benefits{grid-template-columns:1fr}.lp-subjects .lp-subject{width:100%}.lp-sec{padding:44px 0}.lp h2{font-size:23px}.lp-band{padding:48px 18px}}@media (max-width: 520px){.lp-featgrid{grid-template-columns:1fr}.lp-cta-row{flex-direction:column}.lp-cta-row .btn,.lp-sec-cta .btn,.lp-band .btn{width:100%}.lp-nav-actions{gap:6px}}.statchips{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.sc{font-size:11.5px;font-weight:800;padding:4px 9px;border-radius:999px;background:var(--surface-2);color:var(--text-2)}.sc.lv{background:var(--accent-soft);color:var(--accent)}.sc.xp{background:#fdf2e3;color:#b45309}.sc.fire{background:#fdeef0;color:#e5484d}.sc.goal{background:var(--good-soft);color:var(--good)}.segbar{display:flex;gap:5px;margin:8px 0 10px}.seg{flex:1;height:8px;border-radius:999px;background:var(--surface-2);transition:background .2s}.seg.done{background:var(--good)}.seg.cur{background:var(--accent)}.session-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px}.combo{color:#e5484d;font-weight:800;background:#fdeef0;padding:4px 11px;border-radius:999px;font-size:12.5px;animation:pop .22s ease}@keyframes pop{0%{transform:scale(.7)}to{transform:scale(1)}}.summary{text-align:center;padding-top:10px}.sum-emoji{font-size:56px;line-height:1}.summary h2{font-size:25px;margin:8px 0 2px;letter-spacing:-.03em}.sum-xp{font-size:36px;font-weight:800;color:var(--accent);margin:10px 0;letter-spacing:-.04em}.levelup{display:inline-block;background:var(--accent-soft);color:var(--accent);font-weight:800;padding:9px 16px;border-radius:999px;margin:4px 0;font-size:14px}.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 8px;box-shadow:var(--shadow-sm)}.stat .n{font-size:21px;font-weight:800;color:var(--text);letter-spacing:-.02em}.stat .l{font-size:12px;color:var(--muted);margin-top:4px;font-weight:600}.ach-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.ach{font-size:12.5px;font-weight:700;padding:7px 11px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);color:var(--text-2)}.ach.earned{background:var(--good-soft);border-color:transparent;color:var(--good)}@keyframes cardIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.qwrap{animation:cardIn .26s ease both}@keyframes correctPop{0%{transform:scale(1)}40%{transform:scale(1.16)}to{transform:scale(1)}}@keyframes shakeX{0%,to{transform:translate(0)}20%{transform:translate(-5px)}40%{transform:translate(5px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.blank-input.ok{animation:correctPop .4s ease}.blank-input.bad{animation:shakeX .4s ease}@keyframes riseIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.feedback,.answerbox{animation:riseIn .28s ease}.flip{perspective:1200px;min-height:210px;cursor:pointer;-webkit-user-select:none;user-select:none}.flip-inner{position:relative;width:100%;min-height:210px;transition:transform .55s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}.flip-inner.flipped{transform:rotateY(180deg)}.flip-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;align-items:center;justify-content:center;text-align:center;padding:10px;overflow:auto}.flip-back{transform:rotateY(180deg)}.xpfloat{position:fixed;left:50%;top:34%;transform:translate(-50%);font-weight:800;font-size:24px;color:var(--accent);pointer-events:none;z-index:70;animation:xpUp 1.05s ease forwards;text-shadow:0 2px 8px rgba(47,107,255,.25)}.xpfloat.ok{color:var(--good);text-shadow:0 2px 8px rgba(22,163,74,.25)}@keyframes xpUp{0%{opacity:0;transform:translate(-50%,12px) scale(.8)}18%{opacity:1;transform:translate(-50%,-2px) scale(1.06)}to{opacity:0;transform:translate(-50%,-64px) scale(1)}}.confetti-root{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:80;overflow:hidden}.confetti-root i{position:absolute;top:-14px;width:9px;height:14px;border-radius:2px;opacity:.95;animation-name:confFall;animation-timing-function:cubic-bezier(.3,.65,.5,1);animation-fill-mode:forwards}@keyframes confFall{0%{transform:translate(0) rotate(0);opacity:1}to{transform:translate(var(--x),112vh) rotate(var(--r));opacity:.12}}.summary .sum-emoji{animation:pop .42s ease}.summary .levelup{animation:pop .46s ease}@media (prefers-reduced-motion: reduce){.qwrap,.blank-input.ok,.blank-input.bad,.feedback,.answerbox,.xpfloat,.flip-inner,.summary .sum-emoji,.summary .levelup,.dash-main{animation:none!important;transition:none!important}.confetti-root{display:none!important}}.flip-face{flex-direction:column;padding:42px 16px 48px}.flip-inner{display:grid}.flip-face{grid-area:1 / 1;position:relative;inset:auto;overflow:visible;height:100%}.flip-a .src{color:var(--muted);font-size:12px;margin-top:10px}.flip-label{position:absolute;top:12px;left:50%;transform:translate(-50%);font-size:11px;font-weight:800;letter-spacing:.04em;color:var(--muted);background:var(--surface-2);padding:4px 11px;border-radius:999px}.flip-label.answer{color:var(--good);background:var(--good-soft)}.flip-q{font-size:18px;font-weight:700;line-height:1.55;color:var(--text)}.flip-a{font-size:15.5px;line-height:1.72;color:var(--text-2)}.flip-hint{position:absolute;bottom:12px;left:50%;transform:translate(-50%);font-size:11.5px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:6px 13px;border-radius:999px;white-space:nowrap}.lp-cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:22px 0 12px}.lp-cta-row .btn{width:auto}.lp-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.lp-chips .tag{margin:0;font-size:13.5px;padding:9px 14px}.lp-check{list-style:none;padding:0;margin:18px auto 0;max-width:760px;display:grid;grid-template-columns:1fr 1fr;gap:12px}.lp-check li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;font-weight:600;color:var(--text-2);display:flex;gap:10px;align-items:flex-start;box-shadow:var(--shadow-sm)}.lp-check li:before{content:"✓";color:var(--good);font-weight:800;flex:none}.lp-faq{max-width:760px;margin:0 auto}.faq-item{border-top:1px solid var(--line);padding:18px 4px}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-q{font-weight:800;font-size:16px;color:var(--text);letter-spacing:-.02em}.faq-a{color:var(--muted);font-size:14px;line-height:1.7;margin-top:8px}@media (max-width: 880px){.lp-check{grid-template-columns:1fr}}.lp-embed-one{max-width:560px;margin:0 auto}.lp-embed-one .card{margin:0}.lp-embed-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}.lp-embed-nav .btn{flex:none}.dots{display:flex;gap:8px;align-items:center}.dot{width:8px;height:8px;border-radius:999px;background:var(--line-strong);border:none;padding:0;cursor:pointer;transition:all .2s}.dot.on{background:var(--accent);width:22px}.blanks-note{font-size:12px;color:var(--muted);font-weight:600;margin:12px 2px 0}.subjbar{display:flex;gap:6px;margin:-2px 0 12px;overflow-x:auto;-webkit-overflow-scrolling:touch}.subjbar button{flex:none;padding:8px 13px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--text-2);font-weight:700;font-size:12.5px;white-space:nowrap}.subjbar button.active{background:var(--text);color:#fff;border-color:var(--text)}.subjpick{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:-2px 0 14px}.subjpick-card{text-align:left;padding:11px 13px;border-radius:14px;background:var(--surface);border:1.5px solid var(--line);cursor:pointer;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.subjpick-card:active{transform:scale(.99)}.subjpick-card.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:var(--shadow-sm)}.sp-head{display:flex;align-items:center;gap:6px}.sp-icon{font-size:16px;line-height:1}.sp-name{font-weight:800;font-size:14px;color:var(--text)}.sp-on{margin-left:auto;font-size:10px;font-weight:800;color:var(--accent);background:var(--surface);border:1px solid var(--accent);padding:2px 6px;border-radius:999px}.sp-meta{font-size:11.5px;color:var(--text-2);margin:6px 0}.sp-bar{height:5px;border-radius:999px;background:var(--line);overflow:hidden}.sp-bar>span{display:block;height:100%;background:var(--accent);border-radius:999px;transition:width .3s ease}.lp-subjpick{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;margin:14px 0 0}.lp-subjpick-label{font-size:12.5px;color:var(--muted);font-weight:700}.lp-subjpick .tag{cursor:pointer;margin:0}.exam-badge{display:inline-block;margin-left:8px;font-size:10.5px;font-weight:800;color:var(--warn);background:var(--warn-soft);padding:2px 8px;border-radius:999px;vertical-align:middle}@keyframes lpRise{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}.reveal{opacity:0}.reveal.in{animation:lpRise .62s cubic-bezier(.22,.61,.36,1) both}.reveal-stagger>*{opacity:0}.reveal-stagger.in>*{animation:lpRise .55s cubic-bezier(.22,.61,.36,1) both}.reveal-stagger.in>*:nth-child(1){animation-delay:.03s}.reveal-stagger.in>*:nth-child(2){animation-delay:.1s}.reveal-stagger.in>*:nth-child(3){animation-delay:.17s}.reveal-stagger.in>*:nth-child(4){animation-delay:.24s}.reveal-stagger.in>*:nth-child(5){animation-delay:.31s}.reveal-stagger.in>*:nth-child(6){animation-delay:.38s}.reveal-stagger.in>*:nth-child(7){animation-delay:.45s}.reveal-stagger.in>*:nth-child(8){animation-delay:.52s}.lp-nav{transition:box-shadow .25s ease,background .25s ease}.lp-nav.solid{box-shadow:0 1px 0 var(--line),0 8px 24px #1218210f}.lp-feat,.lp-benefit{transition:transform .2s cubic-bezier(.22,.61,.36,1),box-shadow .2s ease,border-color .2s ease}.lp-feat:hover,.lp-benefit:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong)}.lp-feat .ic,.lp-benefit .bn{transform-origin:left center;transition:transform .22s cubic-bezier(.34,1.56,.64,1)}.lp-feat:hover .ic{transform:translateY(-2px) scale(1.14)}.lp-benefit:hover .bn{transform:scale(1.14)}.lp-subject .st{transition:color .16s ease}.lp-subject:hover .st{color:var(--accent)}.faq-item{transition:background .16s ease;border-radius:12px}.faq-item:hover{background:var(--surface)}.lp-check li{transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.lp-check li:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line-strong)}.lp-chips .tag{transition:transform .14s ease,box-shadow .14s ease}.lp-chips .tag:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.lp-subjpick .tag{transition:transform .14s ease,background .14s ease,color .14s ease,box-shadow .14s ease}.lp-subjpick .tag:hover{transform:translateY(-2px);background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}.btn.primary:hover{transform:translateY(-1px);box-shadow:0 10px 26px #2f6bff57}.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}@media (prefers-reduced-motion: reduce){.reveal,.reveal-stagger>*{opacity:1!important;animation:none!important;transform:none!important}.lp-feat:hover,.lp-benefit:hover,.lp-check li:hover,.lp-chips .tag:hover,.lp-subjpick .tag:hover,.btn.primary:hover,.lp-feat:hover .ic,.lp-benefit:hover .bn{transform:none!important}}.btn.kakao{background:#fee500;border-color:#fee500;color:#191600;box-shadow:0 6px 18px #fee5004d;font-weight:800}.btn.kakao:active{background:#f2da00}.btn.kakao:hover{transform:translateY(-1px);box-shadow:0 10px 26px #fee50066}.btn.kakao .kakao-ic{display:inline-flex;align-items:center}.auth-or{display:flex;align-items:center;gap:12px;margin:16px 0 10px;color:var(--muted);font-size:12.5px;font-weight:600}.auth-or:before,.auth-or:after{content:"";flex:1;height:1px;background:var(--line-strong)}.auth-err{margin-top:10px;color:var(--bad);font-size:13px;font-weight:600}.auth-fine{margin-top:14px;color:var(--muted);font-size:11.5px;line-height:1.6;text-align:center}.sc.acct{background:var(--surface-2);color:var(--text-2);cursor:pointer;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border:none}.sc.acct:hover{background:var(--line)}.mc-target{display:inline-block;min-width:64px;height:1.05em;vertical-align:-.18em;margin:0 3px;background:var(--accent-soft);border-bottom:2px solid var(--accent);border-radius:6px 6px 0 0}.mc-filled{font-weight:800;padding:1px 6px;border-radius:6px;margin:0 2px;animation:correctPop .4s ease}.mc-filled.ok{color:var(--good);background:var(--good-soft)}.mc-filled.fix{color:var(--accent);background:var(--accent-soft)}.mc-q{font-size:13px;color:var(--muted);font-weight:700;margin:16px 2px 10px}.mc-opts{display:grid;gap:10px}.mc-opt{width:100%;text-align:left;padding:14px 16px;border-radius:12px;background:var(--surface);border:1.5px solid var(--line-strong);color:var(--text);font-weight:700;font-size:15px;transition:border-color .14s,background .14s,transform .06s,opacity .14s}.mc-opt:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.mc-opt:active:not(:disabled){transform:translateY(1px)}.mc-opt.ok{border-color:var(--good);background:var(--good-soft);color:var(--good);animation:correctPop .4s ease}.mc-opt.bad{border-color:var(--bad);background:#fdeced;color:var(--bad);animation:shakeX .4s ease}.mc-opt.dim{opacity:.5}.mc-opt:disabled{cursor:default}.lp-user{display:inline-flex;align-items:center;gap:4px;padding:9px 13px;border-radius:999px;background:var(--surface-2);color:var(--text-2);font-weight:700;font-size:13px;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lp-user:hover{background:var(--line)}.dash-hello{font-size:13px;color:var(--muted);font-weight:700;margin:-6px 2px 10px}.dash-banner{padding:13px 15px;border-radius:13px;font-size:13.5px;font-weight:700;margin-bottom:10px;animation:riseIn .28s ease}.dash-banner.risk{background:#fdeef0;color:#e5484d}.dash-banner.freeze{background:#e0f2fe;color:#0369a1}@keyframes dashSwap{0%{opacity:.4;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}.dash-main.dash-anim{animation:dashSwap .3s ease}.notice-card{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 16px;margin:0 0 14px}.notice-ico{font-size:20px;flex:none}.notice-txt{flex:1;min-width:0}.notice-label{font-size:11.5px;color:var(--muted);font-weight:700;display:flex;align-items:center;gap:6px}.notice-new{font-size:9.5px;font-weight:800;color:#fff;background:var(--bad);padding:1px 6px;border-radius:999px;letter-spacing:.03em}.notice-title{font-size:13.5px;font-weight:700;color:var(--text);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.notice-arrow{font-size:20px;color:var(--muted);flex:none}.notice-head{display:flex;align-items:center;gap:10px;margin:4px 0 14px}.notice-h{font-size:18px;font-weight:800;color:var(--text)}.notice-item{text-align:left}.notice-date{font-size:12px;color:var(--muted);font-weight:600}.notice-itemtitle{font-size:16px;font-weight:800;color:var(--text);margin:4px 0 12px;line-height:1.4}.notice-body{font-size:14px;line-height:1.75;color:var(--text-2);white-space:pre-line}.dash-main .btn{margin-top:2px}.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 2px}.dash-cell{text-align:center;cursor:pointer;font:inherit}.dash-cell .n{font-size:26px;font-weight:800;color:var(--accent);letter-spacing:-.02em}.dash-cell .l{font-size:12.5px;color:var(--muted);font-weight:700;margin-top:4px}.dash-pace{font-size:14px;color:var(--text-2);line-height:1.65;margin-top:6px}.dash-pace b{color:var(--accent)}.dash-cal{display:grid;grid-template-columns:repeat(14,1fr);gap:4px;margin-top:10px}.dc{aspect-ratio:1;border-radius:4px;background:var(--surface-2)}.dc.on{background:var(--good)}.dc.frz{background:#7dd3fc}.dc.today{outline:2px solid var(--accent);outline-offset:1px}.dash-back{position:fixed;top:14px;left:14px;z-index:60;width:auto}.lenpick{display:flex;gap:6px;justify-content:center}.lenpick button{flex:1;max-width:110px;padding:9px 8px;border-radius:11px;background:var(--surface-2);color:var(--muted);font-weight:700;font-size:13px;border:1.5px solid transparent}.lenpick button.on{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.sprint-card{border:1px solid var(--line)}.sprint-card.on{border-color:var(--warn);background:var(--warn-soft)}.sprint-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.sprint-row .btn{width:auto;flex:none}.sprint-tag{font-size:10.5px;font-weight:800;color:#fff;background:var(--warn);padding:2px 7px;border-radius:999px;margin-left:6px;vertical-align:middle}.dash-cert{width:100%;text-align:left;cursor:pointer;font:inherit;font-size:13.5px;font-weight:700;color:#b45309;background:var(--warn-soft);border:1px solid transparent;line-height:1.5}.cert-preview{width:100%;max-width:320px;border-radius:16px;display:block;margin:14px auto 0;box-shadow:var(--shadow)}.map-legend{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:12px;color:var(--text-2);margin:2px 2px 12px}.map-legend i{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-right:4px}.map-sec{padding:16px}.map-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}.map-subj{font-weight:800;font-size:16px;letter-spacing:-.02em}.map-rounds{margin-bottom:12px}.map-round{display:flex;align-items:center;gap:8px;margin:5px 0;font-size:11.5px}.map-round .rl{width:40px;color:var(--muted);font-weight:700}.map-round .rb{flex:1;height:7px;background:var(--surface-2);border-radius:999px;overflow:hidden}.map-round .rb>span{display:block;height:100%;background:var(--accent);border-radius:999px}.map-round .rv{width:34px;text-align:right;color:var(--text-2);font-weight:700}.map-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(13px,1fr));gap:3px}.mcell{aspect-ratio:1;border-radius:3px;border:none;padding:0;cursor:pointer;transition:transform .1s}.mcell:hover{transform:scale(1.35)}.mc-none{background:#e8ebf0}.mc-learn{background:#fbbf24}.mc-master{background:#16a34a}.lb-row{display:flex;align-items:center;gap:10px;padding:11px 10px;border-bottom:1px solid var(--line);font-size:14px}.lb-row:last-child{border-bottom:none}.lb-row.me{background:var(--accent-soft);border-radius:10px}.lb-rank{width:28px;text-align:center;font-weight:800;color:var(--muted)}.lb-name{flex:1;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-row.me .lb-name{color:var(--accent)}.lb-xp{font-weight:800;color:#b45309;font-variant-numeric:tabular-nums}.lp-counters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0 2px}.lp-counter{display:inline-flex;align-items:center;gap:4px;padding:9px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:13.5px;font-weight:600;color:var(--text-2)}.lp-counter b{color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums}.real-stat{margin-top:12px;padding:11px 14px;border-radius:12px;background:var(--accent-soft);color:var(--text-2);font-size:13px;font-weight:600;animation:riseIn .28s ease}.real-stat b{color:var(--accent);font-weight:800}.reveal-note{font-size:12px;font-weight:700;color:var(--warn);margin-bottom:8px}.subj-stats{font-size:11.5px;color:var(--muted);font-weight:600;margin:-6px 2px 10px}.new-chip{display:inline-block;margin-left:8px;font-size:10.5px;font-weight:800;color:#0369a1;background:#e0f2fe;padding:2px 8px;border-radius:999px;vertical-align:middle}.new-learned{display:inline-block;background:#e0f2fe;color:#0369a1;font-weight:800;padding:8px 15px;border-radius:999px;margin:2px 0 6px;font-size:13.5px}.pricing{max-width:480px;margin:0 auto;padding:18px 18px 60px;min-height:100%}.pr-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}.pr-h{font-weight:800;font-size:18px;letter-spacing:-.02em}.pr-intro{padding:10px 2px 2px}.pr-intro h1{font-size:23px;letter-spacing:-.03em;margin:6px 0 4px}.pr-note{text-align:center;margin:16px 4px;line-height:1.6}.plan-card{text-align:left}.plan-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}.plan-name{font-weight:800;font-size:16.5px;letter-spacing:-.02em}.plan-price b{font-size:22px;letter-spacing:-.02em;color:var(--accent)}.plan-per{font-size:12.5px;color:var(--muted);font-weight:600}.plan-summary{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.6}.plan-feats{margin:12px 0 4px;padding-left:18px}.plan-feats li{font-size:13.5px;color:var(--text-2);margin:5px 0;line-height:1.55}.plan-terms,.co-terms dl{margin:14px 0 4px;border-top:1px solid var(--line);padding-top:12px}.plan-terms dt,.co-terms dt{font-size:12px;font-weight:800;color:var(--text);margin-top:10px}.plan-terms dt:first-child,.co-terms dt:first-child{margin-top:0}.plan-terms dd,.co-terms dd{margin:3px 0 0;font-size:12.5px;color:var(--text-2);line-height:1.6}.plan-terms a,.co-terms a,.pr-note a,.biz-footer a{color:var(--accent)}.co-order .co-line{display:flex;justify-content:space-between;gap:10px;align-items:baseline;font-size:14.5px;font-weight:600}.co-order .co-line b{font-weight:800}.co-total{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:14.5px}.co-total b{font-size:17px;color:var(--accent)}.co-field{display:block}.co-field span{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:6px}.co-field input{width:100%;padding:13px 14px;border:1px solid var(--line-strong);border-radius:12px;font-size:15px;font-family:inherit;background:var(--surface);color:var(--text)}.co-field input:focus{outline:none;border-color:var(--accent)}.co-terms .topic{color:var(--warn)}.co-agree{display:flex;flex-direction:column;gap:12px}.co-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-2);line-height:1.5;cursor:pointer}.co-check input{width:18px;height:18px;margin-top:1px;flex-shrink:0;accent-color:var(--accent)}.co-check a{color:var(--accent)}.co-paying{text-align:center}.co-pay-emoji{font-size:34px;margin-bottom:6px}.btn.kakao-pay{background:#fee500;border-color:#fee500;color:#191600;box-shadow:0 6px 18px #fee50066;margin-top:4px}.btn.kakao-pay:active{background:#f2d900}.btn.kakao-pay:disabled{opacity:.5;box-shadow:none}.biz-footer{margin-top:22px;padding:16px 4px 0;border-top:1px solid var(--line);font-size:11.5px;color:var(--muted);line-height:1.75;text-align:center}.biz-footer strong{color:var(--text-2)}.plan-cta{display:flex;align-items:center;gap:12px;text-align:left;cursor:pointer}.plan-cta-ico{font-size:22px}.plan-cta-txt{flex:1}.plan-cta-label{font-weight:800;font-size:14.5px;letter-spacing:-.02em}.plan-cta-sub{font-size:12.5px;color:var(--muted);margin-top:2px}.radar-lead{margin-bottom:12px;line-height:1.55}.radar-list{display:flex;flex-direction:column;gap:8px}.radar-row{display:block;width:100%;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:11px 13px;cursor:pointer;transition:border-color .15s,background .15s}.radar-row:active{background:var(--accent-soft)}.radar-rowhead{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:7px}.radar-name{font-weight:700;font-size:14px;letter-spacing:-.01em}.radar-meta{font-size:12px;color:var(--muted);font-weight:600;white-space:nowrap}.radar-bar{height:6px;background:var(--line);border-radius:999px;overflow:hidden}.radar-bar span{display:block;height:100%;border-radius:999px;background:var(--accent);transition:width .3s}.radar-row.risk{border-color:#f3c2c2;background:#fdeaea}.radar-row.risk .radar-bar span{background:#dc2626}.radar-row.warn .radar-bar span{background:var(--warn)}.radar-row.ok .radar-bar span{background:var(--good)}.radar-row.none .radar-bar span{background:var(--line-strong)}.recall-cta{display:flex;align-items:center;gap:12px;text-align:left;cursor:pointer}.recall-cta-ico{font-size:22px}.recall-cta-txt{flex:1}.recall-cta-label{font-weight:800;font-size:14.5px;letter-spacing:-.02em}.recall-cta-beta{font-size:10px;color:var(--warn);background:var(--warn-soft);padding:2px 6px;border-radius:999px;margin-left:6px;font-weight:800;vertical-align:middle}.recall-cta-sub{font-size:12.5px;color:var(--muted);margin-top:2px}.recall-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.recall-prog{font-size:12.5px;color:var(--muted);font-weight:700}.recall-head{display:flex;gap:6px;margin-bottom:8px}.recall-title{font-size:19px;font-weight:800;letter-spacing:-.02em}.recall-sub{margin:6px 0 14px;line-height:1.5}.recall-slot{margin:14px 0;padding:12px;background:var(--bg);border:1px solid var(--line);border-radius:12px}.recall-slot-head{font-weight:700;font-size:14px;margin-bottom:10px}.recall-hint{color:var(--muted);font-weight:600;font-size:12px}.recall-fillers{display:flex;flex-direction:column;gap:10px}.recall-filler{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.recall-input{flex:1;min-width:140px;font-size:15px;padding:6px 4px}.recall-input.ok{border-bottom-color:var(--good);color:var(--good);background:var(--good-soft)}.recall-input.bad{border-bottom-color:#dc2626;color:#dc2626;background:#fdeaea}.recall-ans{font-size:12.5px;color:var(--good);font-weight:700;white-space:nowrap}.recall-actions{display:flex;gap:8px;margin-top:16px}.recall-actions .btn{flex:1}.recall-foot{text-align:center;font-size:11.5px;margin-top:12px}.ob-placed{display:flex;flex-direction:column;gap:8px;margin:14px 0}.ob-slot{display:flex;align-items:center;gap:10px;min-height:46px;padding:8px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer}.ob-slot.empty{border-style:dashed;background:var(--bg);cursor:default}.ob-slot.ok{border-color:var(--good);background:var(--good-soft)}.ob-slot.bad{border-color:#dc2626;background:#fdeaea}.ob-no{flex:none;width:22px;height:22px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:800;font-size:12px;display:flex;align-items:center;justify-content:center}.ob-slot.empty .ob-no{background:var(--line);color:var(--muted)}.ob-text{font-weight:700;font-size:14.5px}.ob-slot.empty .ob-text{font-weight:500;color:var(--muted);font-size:12.5px}.ob-correct{margin-left:auto;font-size:12px;color:var(--good);font-weight:700;white-space:nowrap}.ob-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.ob-chip{padding:9px 14px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);font-weight:700;font-size:14px;color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm)}.ob-chip:active{background:var(--accent-soft);border-color:var(--accent)}.is-case{background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;padding:12px 14px;margin:10px 0;font-size:14.5px;line-height:1.6}.is-opts{display:flex;flex-direction:column;gap:8px;margin-top:4px}.is-opt{display:flex;align-items:center;gap:10px;text-align:left;padding:11px 13px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-size:14px;font-weight:600;cursor:pointer}.is-opt.on{border-color:var(--accent);background:var(--accent-soft)}.is-opt.ok{border-color:var(--good);background:var(--good-soft);color:var(--good);font-weight:800}.is-opt.bad{border-color:#dc2626;background:#fdeaea;color:#dc2626}.is-mark{flex:none;font-size:15px}.is-text{flex:1}.is-trap{margin-left:auto;font-size:11px;font-weight:800;color:#dc2626;background:#fff;border:1px solid #f3c2c2;padding:1px 7px;border-radius:999px;white-space:nowrap}.recall-hintchip{font-size:12px;color:var(--warn);background:var(--warn-soft);padding:2px 8px;border-radius:999px;font-weight:700;white-space:nowrap}