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.jp-sources{margin-top:17px;color:#6d8391;font-size:.73rem;line-height:1.65}.jp-sources summary{min-height:44px;cursor:pointer;display:list-item;align-content:center;font-weight:700;padding:10px 2px}.jp-sources p{margin:10px 0}.jp-sources a{color:#087582;text-decoration:underline;text-underline-offset:3px}.jp-sources[open]{padding-bottom:8px}
.jp-bottom{position:sticky;bottom:0;z-index:12;padding:13px 24px calc(12px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--jp-line);background:rgba(247,251,252,.97);backdrop-filter:blur(16px);box-shadow:0 -7px 25px rgba(17,52,72,.035)}.jp-bottom-inner{max-width:640px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.jp-bottom>small{display:block;text-align:center;margin-top:8px;color:#8194a0;font-size:.64rem;line-height:1.4}.jp-primary{min-height:52px;min-width:210px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 21px;background:#15d7df;border:1px solid #09c8d1;color:#052e39;border-radius:15px;font-size:.88rem!important;font-weight:850!important;box-shadow:0 8px 17px rgba(21,215,223,.12);line-height:1.35}.jp-back{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:11px 15px;background:#fff;border:1px solid #d2e2e9;color:#536e7e;border-radius:13px;font-size:.83rem!important;font-weight:750!important}.jp-back:disabled{opacity:.35}.jp-one-action{justify-content:center}.jp-one-action .jp-primary{width:100%}.jp-answer-prompt{margin:0;min-height:52px;display:grid;place-items:center;font-size:.84rem;color:#668292}
.jp-answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0 0}.jp-answers button{min-height:69px;min-width:0;display:flex;align-items:center;gap:11px;padding:13px 15px;border:1px solid #cfdfe7;border-radius:16px;background:#fff;color:var(--jp-ink);text-align:left;box-shadow:0 4px 13px rgba(17,52,72,.025)}.jp-answer-letter{flex:0 0 28px;width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:#edf3f6;color:#6d8493;font-weight:850;font-size:.7rem}.jp-answers strong{flex:1;min-width:0;font-size:.91rem;line-height:1.4;overflow-wrap:anywhere}.jp-answer-state{font-size:1.1rem;line-height:1;flex:0 0 auto}.jp-answers .jp-correct{background:#e4f7ef;border-color:#8cc7ad;color:#1d6650}.jp-answers .jp-correct .jp-answer-letter{background:#c4eadb;color:#1d6650}.jp-answers .jp-wrong{background:#fff2ee;border-color:#e2b4a7;color:#914936}.jp-answers button:disabled{opacity:1}.jp-answers button:disabled:not(.jp-correct):not(.jp-wrong){color:#80929d;background:#f6f9fa}.jp-feedback:empty{display:none}.jp-feedback{display:flex;align-items:start;gap:11px;margin:14px 0 0;padding:17px 18px;border-radius:15px;line-height:1.55}.jp-feedback>span{font-size:1.25rem;font-weight:850}.jp-feedback strong{display:block;font-size:.91rem}.jp-feedback p{margin:4px 0 0;font-size:.81rem}.jp-feedback.is-correct{background:#dff3e9;color:#25634d}.jp-feedback.is-wrong{background:#fff2e7;color:#875b3d}
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@media(hover:hover){.jp-primary:hover{background:#49e8ed}.jp-back:not(:disabled):hover,.jp-exit:hover{background:#eaf4f7}.jp-answers button:not(:disabled):hover{border-color:#74c0cc;background:#f2fbfc}}
@media(min-width:1100px){.jp-stage-body{padding-top:36px}.jp-detail{height:315px}.jp-visual-top{padding-inline:25px}.jp-overview{width:195px;flex-basis:195px}.jp-overview .jp-mini-diagram{height:57px}}
@media(max-width:600px){.jp-top-inner{padding:11px 13px;gap:10px}.jp-exit{width:44px;padding:8px;font-size:1.07rem!important}.jp-exit span{display:none}.jp-route .jp-eyebrow{font-size:.54rem;letter-spacing:.07em}.jp-route h1{font-size:.93rem;margin-top:4px}.jp-step-count{font-size:.69rem;max-width:79px;text-align:right;line-height:1.4}.jp-stage-body{padding:23px 14px 20px;scroll-margin-top:91px}.jp-lesson-intro{margin-bottom:18px}.jp-lesson-intro .jp-eyebrow{font-size:.59rem}.jp-step-heading{font-size:1.64rem;margin:8px 0 10px}.jp-lesson-intro>p{font-size:.84rem;line-height:1.6;max-width:360px}.jp-visual{border-radius:20px}.jp-visual-top{padding:13px 13px 0;gap:10px;min-height:69px}.jp-visual-tag{font-size:.53rem;letter-spacing:.05em;max-width:155px}.jp-overview{width:122px;flex-basis:122px}.jp-overview>span{font-size:.5rem}.jp-overview .jp-mini-diagram{height:39px}.jp-detail{height:235px;padding:0 10px 12px}.jp-visual-note{padding:11px 10px;font-size:.56rem;gap:6px;line-height:1.45}.jp-memory{padding:14px 15px;gap:11px;margin-top:13px;border-radius:15px}.jp-memory>span{width:35px;height:35px;flex-basis:35px;font-size:1.4rem}.jp-memory small{font-size:.53rem}.jp-memory strong{font-size:.85rem}.jp-lesson-dots{gap:7px;padding-bottom:5px}.jp-sources{font-size:.68rem;margin-top:10px}.jp-bottom{padding:11px 13px calc(10px + env(safe-area-inset-bottom,0px))}.jp-bottom-inner{gap:8px}.jp-primary{min-width:0;flex:1;min-height:50px;padding:11px 13px;font-size:.79rem!important;border-radius:13px}.jp-back{padding:10px 13px;font-size:.75rem!important}.jp-bottom>small{font-size:.56rem}.jp-answers{gap:8px;margin-top:15px}.jp-answers button{min-height:64px;padding:11px 10px;gap:8px;border-radius:13px}.jp-answer-letter{width:24px;height:24px;flex-basis:24px;font-size:.62rem}.jp-answers strong{font-size:.8rem}.jp-feedback{padding:14px;font-size:.8rem}.jp-feedback strong{font-size:.84rem}.jp-feedback p{font-size:.77rem}.jp-result-heading{padding-top:9px}.jp-result-heading>p{font-size:.86rem}.jp-result-symbol{width:61px;height:61px;margin-bottom:18px;border-radius:21px}.jp-recap article{grid-template-columns:89px minmax(0,1fr);gap:12px;padding:10px}.jp-recap-image{height:82px;padding:5px}.jp-recap h3{font-size:.91rem}.jp-recap p{font-size:.72rem}.jp-recap small{font-size:.53rem}.jp-boundary{font-size:.68rem}}
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@media(prefers-reduced-motion:reduce){.jp-study *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(forced-colors:active){.jp-study button{border:1px solid ButtonText}.jp-shape[data-active=true]{fill:Highlight;stroke:HighlightText;filter:none}.jp-shape.jp-outline[data-active=true]{fill:none;stroke:Highlight}.jp-progress{border:1px solid CanvasText}.jp-progress>span{background:Highlight}.jp-correct{outline:2px solid Highlight}}
.jp-photo-highlight{fill:rgba(21,215,223,.07);stroke:#00ffff;stroke-width:3;filter:drop-shadow(0 1px 2px #001f30)}
.jp-overview .jp-photo-highlight{stroke-width:2;fill:rgba(21,215,223,.2)}
@media(max-width:600px) and (min-height:580px){.jp-stage-body{padding:12px 14px}.jp-lesson-intro{margin-bottom:10px}.jp-step-heading{font-size:1.35rem;margin:5px 0 7px}.jp-lesson-intro>p{font-size:.79rem;line-height:1.4}.jp-visual-top{min-height:48px;padding:8px 10px 0}.jp-overview .jp-mini-diagram{height:30px}.jp-detail{height:clamp(145px,25svh,205px);padding:0 10px 8px}.jp-visual-note{padding:7px 10px}.jp-memory{padding:9px 12px;margin:9px 0}.jp-lesson-dots{padding:1px 0}.jp-sources{margin:3px 0}.jp-sources summary{min-height:34px;padding:6px 0}.jp-bottom{padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px))}.jp-bottom>small{margin-top:4px}.jp-answers{margin-top:10px;gap:7px}.jp-answers button{min-height:52px;padding:8px}.jp-feedback{margin-top:8px;padding:9px 12px}.jp-feedback p{font-size:.72rem;line-height:1.4}}
.jp-blocks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}.jp-blocks button{text-align:left;display:grid;gap:8px;padding:20px;background:#fff;border:1px solid #cadde5;border-radius:19px;color:#173749;min-height:140px}.jp-blocks button>span{font-size:.8rem;font-weight:850;color:#079096}.jp-blocks strong{font-size:1rem;line-height:1.35}.jp-blocks small{font-size:.72rem;color:#657d8d;line-height:1.4}.jp-all-test{width:100%;display:grid;text-align:left;gap:8px;padding:20px;border-radius:18px;background:#12374d;color:#fff;border:1px solid #12374d}.jp-all-test strong{font-size:1.03rem}.jp-all-test span{font-size:.79rem;color:#c0d6e2;line-height:1.5}
@media(max-width:600px){.jp-blocks{gap:9px;margin:16px 0}.jp-blocks button{padding:15px 12px;min-height:123px;gap:7px}.jp-blocks strong{font-size:.87rem}.jp-blocks small{font-size:.68rem}.jp-all-test{padding:16px}.jp-all-test strong{font-size:.94rem}}