:root{--ink:#273e3b;--muted:#75837e;--green:#217d70;--dark:#17665b;--mint:#e6f3ed;--paper:#faf9f5;--line:#e9ede7;--peach:#fae5d9;--gold:#f8eed1;--blue:#e4edf5;--radius:22px;font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}a{color:inherit;text-decoration:none}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e5a03e;outline-offset:4px}h1,h2,h3,p{margin:0}button{border:0;background:none}.icon{width:22px;height:22px;flex-shrink:0;vertical-align:middle}button .icon{pointer-events:none}.skip{position:fixed;top:-70px;left:20px;z-index:99;padding:14px;background:var(--green);color:white;border-radius:10px}.skip:focus{top:10px}.sidebar{position:fixed;inset:0 auto 0 0;width:228px;border-right:1px solid var(--line);background:#fffefa;padding:36px 24px 24px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;gap:12px;align-items:center;padding:0 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var(--line);padding:25px}.record-section h2{font-size:18px;margin-bottom:15px}.record-row{display:flex;align-items:center;width:100%;gap:15px;text-align:left;padding:17px 0;border-bottom:1px solid var(--line)}.record-row:last-child{border-bottom:0}.record-art{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:25px}.record-row>span:nth-child(2){flex:1}.record-row strong{font-size:13px}.record-row>span:nth-child(3){font-size:15px;font-family:Arial,sans-serif;color:var(--green)}.record-row small{font-size:10px;color:var(--muted)}.record-row>.icon{width:15px;color:#a0aa9e}.record-bar{height:5px;border-radius:5px;display:block;background:#f0f4ed;margin-top:10px;max-width:400px;overflow:hidden}.record-bar i{height:100%;display:block;background:#70ac93}.record-info{display:flex;gap:10px;font-size:11px;color:var(--muted);line-height:1.9;margin:20px 0}.record-info .icon{width:16px}.quiz-shell{max-width:710px;margin:28px auto}.quiz-top{display:flex;align-items:center;gap:15px;font-size:12px;color:var(--muted)}.quiz-top>span{flex:1;text-align:center}.quiz-top>strong{font-family:Arial,sans-serif;font-size:23px;color:var(--green)}.quiz-top small{font-size:12px;color:#99a596}.back-button{display:flex;align-items:center;gap:5px;color:#74857c;font-size:12px;min-height:40px;padding:5px 0}.back-button .icon{width:18px}.quiz-progress{display:flex;gap:7px;margin:17px 0 25px}.quiz-progress i{height:6px;background:#e3eade;border-radius:6px;flex:1}.quiz-progress i.done{background:#64a68f}.question-card{background:#fffefb;border:1px solid var(--line);padding:30px;border-radius:22px}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}.question-meta .tag{background:var(--mint);font-size:10px}.question-meta>span:nth-child(2){font-size:10px;color:#8a9a8d}.question-prompt{font-size:21px;line-height:1.85;letter-spacing:.015em;white-space:pre-line;overflow-wrap:anywhere}.question-visual{background:#f4f7ef;border-radius:15px;padding:23px;margin:23px 0;overflow:hidden}.question-visual>svg,.svg-wrap svg{max-width:100%;height:auto;display:block;margin:0 auto;max-height:300px}.question-visual svg text{fill:var(--ink);stroke:none;font-family:Arial,Meiryo,sans-serif}.question-visual>svg text{font-size:13px;text-anchor:middle}.question-visual svg .point-label{font-size:18px;font-weight:700}.question-visual figcaption{font-size:11px;text-align:center;color:#718478;margin-top:15px;line-height:1.7}.tile-grid{display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));max-width:360px;margin:auto;border:1.5px solid #4c8775;border-radius:5px;overflow:hidden;gap:2px;background:#7da791;padding:1px}.tile{background:#fffef7;aspect-ratio:1;max-height:64px}.tile-grid[style*="--cols:1"] .tile{aspect-ratio:4}.tile.colored{background:#7fba9f}.table-scroll{overflow:auto}table{border-collapse:collapse;font-size:14px;margin:auto;width:100%;max-width:500px;text-align:center}th,td{border:1px solid #cfdfd2;padding:10px 8px;line-height:1.6}th{background:#e1eee0;font-weight:700}td{background:#fffefa}.visual-cards{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.visual-cards>div{background:white;border:1px solid #d9e6d7;border-radius:10px;padding:14px;text-align:center;min-width:90px;flex:1;overflow-wrap:anywhere}.visual-cards small{font-size:11px;color:var(--muted);display:block;margin-bottom:8px}.visual-cards strong{font-size:20px;font-weight:700;color:var(--green)}.visual-flow{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.visual-flow b{background:white;border:1px 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.choice-letter{background:#d89c7e;color:white}.choice:disabled{opacity:1}.hint-area{margin:15px 0}.hint-button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;font-size:12px;min-height:42px;color:#9a884c}.hint-button .icon{width:17px;height:17px}.hint-text{background:#fbf4df;border:1px solid #f0e5bf;padding:14px;border-radius:10px;font-size:13px;line-height:1.9}.answer-button{width:100%;font-size:14px;min-height:54px}.feedback{border-radius:14px;margin:23px 0 20px;padding:21px;background:#edf6e9;border:1px solid #cce0c5}.feedback.try{background:#fff4e7;border-color:#ead8bb}.feedback h2{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:12px;color:#4c8060}.feedback.try h2{color:#a88743}.feedback p{font-size:15px;line-height:2;white-space:pre-line}.feedback .hinted-note{font-size:12px;color:#7f9373;margin-bottom:12px}.feedback .right-answer{font-weight:700;margin-bottom:9px}.quiz-reassurance{font-size:11px;line-height:1.8;color:#8b9b8a;display:flex;justify-content:center;gap:8px;margin:20px 0}.quiz-reassurance .icon{width:15px;height:15px}.result-card{max-width:640px;margin:45px auto;text-align:center;border-radius:26px;border:1px solid var(--line);background:#fffefa;padding:40px}.result-star{display:grid;place-items:center;width:90px;height:90px;border-radius:50%;background:#fbf0d3;color:#d0a33c;margin:0 auto 24px}.result-star .icon{width:49px;height:49px;fill:#e8c36533}.result-card h1{font-size:29px;margin:12px 0}.result-card p{font-size:13px;color:var(--muted);line-height:2}.result-score{margin:25px 0;color:var(--green)}.result-score strong{font-size:76px;font-family:Arial,sans-serif}.result-score span{font-size:17px}.result-actions{display:grid;gap:12px;margin:28px auto 16px;max-width:340px}.secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid #b9d4c7;color:var(--green);background:#fffefb;padding:14px 20px;font-size:13px;border-radius:12px;font-weight:700;min-height:48px}.text-button{font-size:12px;min-height:40px;text-decoration:underline;text-underline-offset:4px;color:var(--green)}.empty{grid-column:1/-1;text-align:center;background:white;border:1px solid var(--line);border-radius:20px;padding:60px 25px}.empty h1{font-size:22px}.empty p{font-size:13px;color:var(--muted);margin:15px 0}.modal-backdrop{position:fixed;inset:0;background:#203d3970;z-index:50;display:flex;align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(4px)}.modal{background:#fffdf7;border-radius:24px;padding:35px;max-width:510px;position:relative;max-height:calc(100dvh - 48px);overflow:auto;box-shadow:0 30px 100px #1e3a3920}.modal-close{position:absolute;top:12px;right:12px;padding:10px}.modal h2{font-size:23px;margin:14px 0 22px}.modal p{font-size:13px;line-height:2;margin:16px 0}.modal .primary{width:100%;margin-top:12px}.small-muted{color:var(--muted);font-size:11px!important}
@media(min-width:1500px){.main-shell{padding:0 65px}.hero{min-height:375px}.hero-copy{padding:40px 45px}.hero h2{font-size:43px}.hero p{font-size:14px}.quick-card{padding:22px}.unit-card{padding:23px 23px 0;min-height:230px}.unit-progress{margin:0 -23px;width:calc(100% + 46px)}}
@media(max-width:1180px){.sidebar{width:198px;padding:30px 17px}.main-shell{margin-left:198px;padding:0 28px}.brand{gap:9px;padding:0 6px}.brand strong{font-size:24px}.hero-copy{padding:30px}.hero h2{font-size:33px}.hero{min-height:330px}.quick-grid{gap:10px}.quick-card{gap:9px;padding:15px 11px}.quick-icon{width:36px;height:36px;border-radius:11px}.quick-card strong{font-size:14px}.quick-card em{font-size:8px}.quick-card small{font-size:7px}.unit-grid{gap:13px}.unit-card{padding:17px 17px 0}.unit-card h3{font-size:14px}.unit-card>p{font-size:10px}.unit-progress{margin:0 -17px;width:calc(100% + 34px)}.unit-toolbar{gap:10px}.search-box{width:160px}}
@media(max-width:900px){.sidebar{width:170px;padding:30px 12px}.main-shell{margin-left:170px;padding:0 24px}.brand{gap:7px}.brand-mark{width:37px;height:37px;border-radius:12px}.brand-mark .icon{width:24px}.brand strong{font-size:21px}.brand small{font-size:8px}.side-note{margin:60px 3px 0;padding:19px 15px}.nav-item{font-size:11px;gap:9px;padding:12px}.about-button{font-size:9px}.greeting h1{font-size:21px}.hero-copy{padding:28px 24px}.hero h2{font-size:30px}.hero p{font-size:11px}.hero{min-height:314px}.hero:after{background:linear-gradient(90deg,#e6f2e6f0 0%,#e6f2e6b5 36%,transparent 80%)}.hero .primary{font-size:11px;padding:13px 15px;gap:10px}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick-card:last-child{display:none}.unit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading h2{font-size:18px}.unit-toolbar{display:block}.filter-chips{margin-bottom:13px}.search-box{width:100%}.grade-tabs{gap:0}.grade-tabs button{padding:10px 22px 15px}.count-label{font-size:10px}.question-card{padding:24px}.question-prompt{font-size:20px}.question-visual{padding:18px}}
@media(max-width:640px){.sidebar{display:none}.main-shell{margin:0;padding:0 20px 75px}.topbar{height:69px;position:relative;border:0}.desktop-kicker{display:none}.mobile-brand{display:flex;align-items:center;gap:6px;font-size:19px;font-weight:800;letter-spacing:.07em}.mobile-brand>.icon{color:var(--green);width:24px;height:24px}.mobile-brand span{font-size:10px;font-weight:600;letter-spacing:0;margin:0 0 0 2px;color:#668579}.grade-pill{font-size:10px;padding:8px 10px;gap:8px}.grade-pill .icon{width:10px}.greeting{margin:20px 0 21px}.eyebrow{font-size:8px;letter-spacing:.18em}.greeting h1{font-size:21px;line-height:1.6;margin-top:8px;letter-spacing:0}.greeting p{font-size:11px;margin-top:5px}.greeting-deco{display:none}.hero{min-height:390px;border-radius:20px}.hero>img{object-position:65% center;object-fit:cover}.hero:after{background:linear-gradient(180deg,#e4f0e6ee 0%,#e4f0e6b8 31%,#e4f0e600 70%)}.hero-copy{padding:23px;position:relative;min-height:390px}.hero .tag{font-size:9px;padding:5px 9px;background:#fffc}.hero h2{font-size:31px;line-height:1.37;margin-top:13px;letter-spacing:.04em}.hero p{font-size:11px;line-height:1.8;margin-top:10px;max-width:200px}.hero .primary{position:absolute;bottom:20px;left:20px;right:20px;font-size:13px;min-height:51px;gap:16px;box-shadow:0 5px 18px #1f5f392b}.grade-tabs{margin:16px 0 18px;justify-content:space-around;gap:0}.grade-tabs button{padding:9px 18px 15px;font-size:12px;min-height:51px}.grade-tabs button span{font-size:18px}.grade-tabs button.active:after{left:6px;right:6px}.quick-grid{gap:10px}.quick-card{min-height:100px;align-items:flex-start;padding:16px 12px;position:relative;gap:9px}.quick-icon{width:31px;height:31px;border-radius:10px;margin-top:3px}.quick-icon .icon{width:18px;height:18px}.quick-card small{font-size:7px;line-height:1.6;margin-bottom:5px}.quick-card strong{font-size:14px}.quick-card em{font-size:8px;line-height:1.6;margin-top:5px}.quick-card>.icon{display:none}.resume-banner{padding:12px;font-size:10px;flex-wrap:wrap;gap:6px}.resume-banner strong{font-size:10px}.resume-banner .icon{width:15px}.units-section{margin-top:30px}.section-heading{align-items:flex-end}.section-heading h2{font-size:17px;line-height:1.5;margin-top:9px}.section-heading p{font-size:10px;margin-top:6px}.count-label{font-size:9px;margin-bottom:4px}.unit-toolbar{margin:15px 0 16px}.filter-chips{margin-right:-20px;padding-right:20px;margin-bottom:13px}.filter-chips button{font-size:10px;padding:8px 11px;min-height:36px}.search-box{height:40px;padding:9px 12px}.search-box input{font-size:12px}.unit-grid{gap:12px}.unit-card{min-height:210px;padding:15px 13px 0;border-radius:15px}.unit-card-top{gap:7px;margin-bottom:12px}.unit-art{width:40px;height:40px;border-radius:12px;font-size:30px}.unit-number{font-size:7px;letter-spacing:.06em}.unit-card h3{font-size:13px;line-height:1.7}.category-label{font-size:8px}.unit-card>p{font-size:9px;line-height:1.8;margin-top:6px;margin-bottom:11px}.unit-bottom{font-size:8px;padding:10px 0 12px;gap:4px}.unit-bottom span i{margin:0 4px}.unit-bottom .icon{width:14px;height:14px}.unit-progress{margin:0 -13px;width:calc(100% + 26px)}.mastered-tag{display:none}.learning-note{font-size:9px;align-items:flex-start;padding:24px 8px 10px}.learning-note .icon{flex-shrink:0;margin-top:2px}.footer{margin-top:20px;padding:20px 0;font-size:8px;flex-direction:column;gap:8px}.mobile-nav{display:flex;align-items:center;justify-content:space-around;position:fixed;bottom:0;left:0;right:0;background:#fffefaf5;backdrop-filter:blur(10px);border-top:1px solid #e4e9df;padding:6px 15px max(6px,env(safe-area-inset-bottom));z-index:10}.mobile-nav .nav-item{display:flex;flex-direction:column;gap:3px;padding:7px 18px 5px;min-height:51px;font-size:9px;min-width:78px;color:#94a092;border-radius:10px}.mobile-nav .nav-item.active{background:none;color:var(--green)}.mobile-nav .nav-item i{display:none}.mobile-nav .nav-item .icon{width:20px;height:20px}.page-heading{margin:25px 0 20px}.page-heading h1{font-size:23px;line-height:1.7}.page-heading p{font-size:12px}.review-hero{padding:20px;gap:14px;border-radius:17px}.review-hero>div{min-width:0;flex:1}.review-hero h2{font-size:16px;line-height:1.8}.review-hero p{font-size:11px}.review-hero .primary{width:100%}.review-hero>.quick-icon{width:38px;height:38px}.stats-grid{gap:10px;margin:24px 0}.stats-grid>div{padding:20px 7px;border-radius:15px;gap:10px}.stats-grid strong{font-size:28px}.stats-grid strong small{font-size:10px;margin-left:3px}.stats-grid span{font-size:8px;line-height:1.7}.stats-grid .icon{width:23px;height:23px}.record-section{padding:20px 15px;border-radius:18px}.record-section h2{font-size:17px}.record-row{gap:10px;padding:15px 0}.record-art{width:33px;height:33px;font-size:22px;border-radius:10px}.record-row strong{font-size:11px}.record-row>span:nth-child(3){font-size:13px}.record-row small{font-size:8px}.record-row>.icon{width:12px}.quiz-shell{margin:12px auto}.quiz-top{font-size:11px;gap:8px}.quiz-top>span{font-size:10px}.quiz-top>strong{font-size:22px}.quiz-top small{font-size:11px}.back-button{font-size:11px}.quiz-progress{margin:13px 0 17px;gap:5px}.question-card{padding:21px 16px;border-radius:18px}.question-meta{margin-bottom:15px}.question-meta .tag{font-size:8px;padding:5px 8px;max-width:65%}.question-meta>span:nth-child(2){font-size:8px}.question-prompt{font-size:19px;line-height:1.9;letter-spacing:0}.question-visual{padding:17px 11px;margin:19px 0;border-radius:13px}.question-visual figcaption{font-size:10px}.question-visual>svg text{font-size:14px}.visual-cards{gap:8px}.visual-cards>div{padding:11px 8px;min-width:72px}.visual-cards strong{font-size:17px}.visual-cards small{font-size:10px}.visual-flow b{font-size:12px;padding:10px}.visual-flow{gap:7px}table{font-size:12px}th,td{padding:8px 5px}.choices{gap:10px;margin-top:20px}.choice{font-size:16px;line-height:1.65;min-height:65px;padding:13px 11px;gap:10px;border-radius:12px}.choice-letter{width:28px;height:28px;border-radius:8px;font-size:11px}.hint-button{font-size:11px;min-height:43px}.hint-text{font-size:12px;padding:12px}.answer-button{font-size:13px;min-height:53px}.feedback{padding:17px 14px;margin:20px 0 16px}.feedback h2{font-size:16px;gap:7px;line-height:1.7}.feedback p{font-size:14px;line-height:2}.feedback .hinted-note{font-size:11px}.quiz-reassurance{font-size:9px;gap:7px;align-items:flex-start}.quiz-reassurance .icon{margin-top:1px}.result-card{padding:30px 20px;margin:25px auto;border-radius:20px}.result-card h1{font-size:25px}.result-card p{font-size:12px}.result-score strong{font-size:66px}.result-score span{font-size:15px}.result-star{width:78px;height:78px}.result-star .icon{width:42px;height:42px}.modal-backdrop{padding:20px}.modal{padding:30px 23px;border-radius:20px}.modal h2{font-size:21px}.modal p{font-size:12px}}
@media(max-width:359px){.main-shell{padding-left:14px;padding-right:14px}.mobile-brand{font-size:17px}.mobile-brand span{font-size:9px}.grade-pill{font-size:9px;padding:8px}.greeting h1{font-size:19px}.hero{min-height:365px}.hero-copy{min-height:365px;padding:22px}.hero h2{font-size:29px}.grade-tabs button{padding-left:12px;padding-right:12px}.unit-card{padding-left:11px;padding-right:11px}.unit-progress{margin:0 -11px;width:calc(100% + 22px)}.unit-number{font-size:6px}.unit-card h3{font-size:12px}.unit-card>p{font-size:8px}.unit-bottom{font-size:7px}.section-heading h2{font-size:16px}.count-label{font-size:8px}.quick-card{padding:13px 9px;gap:7px}.quick-icon{width:28px;height:28px}.quick-card strong{font-size:13px}.quick-card small{font-size:6px}.question-card{padding:18px 13px}.question-prompt{font-size:18px}.choice{font-size:15px}.question-meta>span:nth-child(2){font-size:7px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

@media(max-width:640px){.quick-card small{font-size:9px}.quick-card em{font-size:9px}.quick-card{min-height:112px}.unit-card>p{font-size:11px}.unit-card h3{font-size:14px}.unit-bottom{font-size:9px}.category-label{font-size:9px}.unit-card{min-height:226px}}
@media(max-width:359px){.filter-chips{margin-right:-14px;padding-right:14px}}
.grade-tabs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;align-items:stretch}
.grade-tabs button{padding:12px 6px 16px;min-width:0;min-height:52px}
.early-grade .question-prompt{font-size:22px;line-height:1.95}
.early-grade .choice{font-size:18px;line-height:1.8;min-height:72px}
.early-grade .hint-text,.early-grade .feedback p{font-size:16px;line-height:2}
.early-grade .unit-card h3{font-size:16px}
.early-grade .unit-card>p{font-size:12px}
.early-grade .question-meta .tag{font-size:11px}
.early-grade .question-visual figcaption{font-size:13px}
.early-grade .question-visual>svg text{font-size:18px}
.math-frac{display:inline-flex;flex-direction:column;align-items:stretch;vertical-align:middle;text-align:center;line-height:1.1;margin:.12em .17em;font-variant-numeric:tabular-nums;white-space:nowrap;min-width:1.1em;font-size:.92em}
.math-frac>.frac-num{display:block;border-bottom:1.6px solid currentColor;padding:0 .18em .13em}
.math-frac>.frac-den{display:block;padding:.13em .18em 0}
.math-mixed{display:inline-flex;align-items:center;gap:.14em;vertical-align:middle;white-space:nowrap}
.question-prompt:has(.math-frac){line-height:2.15}
.choice:has(.math-frac){min-height:82px}
.feedback p:has(.math-frac),.hint-text:has(.math-frac){line-height:2.3}
.visual-cards strong:has(.math-frac){line-height:1.3}
.fraction-strip{display:block;width:100%;height:auto;overflow:visible}
.early-grade table{font-size:14px}
@media(max-width:640px){.grade-tabs{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:4px}.grade-tabs button{font-size:13px;padding:10px 6px 13px;min-height:49px}.grade-tabs button.active{background:#e7f3ed;border-radius:12px 12px 0 0}.early-grade .greeting h1{font-size:23px;line-height:1.75}.early-grade .greeting p{font-size:12px;line-height:1.8}.early-grade .hero h2{font-size:31px}.early-grade .quick-card strong{font-size:14px}.early-grade .question-prompt{font-size:21px}.early-grade .unit-card{min-height:240px}}
@media(max-width:359px){.early-grade .question-prompt{font-size:20px}.early-grade .choice{font-size:17px}.early-grade .greeting h1{font-size:21px}.early-grade .hero-copy{padding:22px}.early-grade .hero h2{font-size:29px}}

/* Figure choices stay large enough to inspect on a phone. */
.choice-body{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1}.choice-label{display:block}.choice-figure{display:block;width:100%}.choice-figure .question-visual{display:block;margin:0;padding:8px;background:#f5f8f2;border-radius:9px}.choice-figure .svg-wrap{display:block}.choice-figure svg{display:block;width:100%;height:auto;max-height:200px}.choice-figure figcaption{display:block}.choice:has(.choice-figure){align-items:flex-start;padding:12px}.choice:has(.choice-figure) .choice-letter{margin-top:4px}

.question-visual:has(.svg-wrap){padding:12px 6px}.choice-figure .question-visual{padding:6px 2px}.choice-figure .question-visual>span:last-child:not(.svg-wrap){display:block;font-size:12px;line-height:1.6}
@media(max-width:520px){.question-visual:has(.svg-wrap){padding:8px 0}.choice-figure .question-visual{padding:6px 0}.choice:has(.choice-figure){gap:8px;border-width:1px}}

/* Stacked comparisons may be tall; their labels must retain the phone-width scale. */
.svg-wrap svg{width:100%;max-height:none}.choice-figure svg{max-height:none}

/* Match the available SVG width in the stem and its shape choices. */
.choice:has(.choice-figure){gap:8px}
.choice:has(.choice-figure) .choice-letter{width:28px;height:28px;flex:0 0 28px}
.choice-figure .question-visual{padding-left:0;padding-right:0}
.question-card:has(.choice-figure)>.question-visual:has(.svg-wrap){margin-left:31px;margin-right:31px;padding-left:0;padding-right:0}

/* Question navigation is available before and after checking an answer. */
.question-navigation{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.question-navigation button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:12px 10px;line-height:1.5}
.question-navigation button span{min-width:0}
.question-navigation .next-question{background:#e4f4f0;color:#176b59;border-color:#b8ddd1}
.question-navigation button:disabled{opacity:.4;cursor:default}
.question-navigation-note{margin:12px 0 0;color:var(--muted);font-size:12px;text-align:center;line-height:1.8}
.quiz-progress i.current{outline:2px solid #2d8874;outline-offset:3px}
@media(max-width:520px){.question-navigation{gap:8px}.question-navigation button{font-size:13px;gap:6px}.question-navigation button svg{width:18px;height:18px;flex:0 0 18px}}