:root{--bg:#f4f6f9;--surface:#fff;--card:#fff;--border:#e4e8ee;--text:#1b1f24;--text-sub:#6b7280;--green:#0a9d52;--red:#e03a3a;--yellow:#c8860a;--cta-bg:#f5a623;--cta-text:#3a2600;--ink:#1c2430;--green-glow:transparent;--red-glow:transparent;--yellow-glow:transparent;--shadow:0 1px 3px #141e3214, 0 1px 2px #141e320a}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background:var(--bg);color:var(--text);font-family:Noto Sans JP,Hiragino Sans,Inter,system-ui,sans-serif;font-weight:500;line-height:1.6}body{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}button{color:inherit;cursor:pointer;background:0 0;border:none;font-family:inherit}#root{max-width:430px;min-height:100dvh;margin:0 auto}.screen{flex-direction:column;min-height:100dvh;padding:20px;display:flex}.center-screen{text-align:center;justify-content:center;align-items:center;gap:12px}.accent{color:var(--green)}.big-btn{background:var(--card);border:1px solid var(--border);border-radius:14px;width:100%;margin-top:12px;padding:16px;font-size:17px;font-weight:700}.big-btn.cta{background:var(--cta-bg);color:var(--cta-text);box-shadow:0 0 24px var(--yellow-glow);border:none}.big-btn.btn-ng{background:var(--red);color:#fff;box-shadow:0 0 24px var(--red-glow);border:none}.text-btn{color:var(--text-sub);align-self:center;margin-top:14px;font-size:14px;text-decoration:underline}.nav-header{align-items:center;gap:10px;margin-bottom:16px;display:flex}.nav-header h1{font-size:19px;font-weight:800}.back-btn{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:4px 10px;font-size:22px}.brand{align-items:center;gap:8px;display:inline-flex}.brand-sign{filter:drop-shadow(0 1px 2px #0000002e);flex-shrink:0}.brand-name{letter-spacing:.04em;white-space:nowrap;font-size:19px;font-weight:900;display:inline-block;transform:skew(-6deg)}.brand-hook{background:linear-gradient(#ffc24d,#f08300);color:#0000;-webkit-background-clip:text;background-clip:text;padding-right:.04em}.brand--hero{gap:10px}.brand--hero .brand-name{font-size:28px}.stats-row{gap:12px;margin-bottom:16px;display:flex}.stat{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;flex-direction:column;flex:1;padding:14px 16px;display:flex}.stat-label{color:var(--text-sub);font-size:12px}.stat-value{font-size:34px;font-weight:900;line-height:1.2}.stat-value small{color:var(--text-sub);margin-left:2px;font-size:15px}.stat-value.rate{color:var(--yellow);text-shadow:0 0 18px var(--yellow-glow)}.stat.main .stat-value{font-size:44px}.stats-row.compact .stat-value{font-size:28px}.home-disclaimer{margin-top:16px}.home2{background:var(--bg);padding:20px 18px}.home2-summary{justify-content:center;align-items:center;gap:18px;margin-bottom:26px;padding:12px 4px 2px;display:flex}.home2-ring{flex-shrink:0;width:84px;height:84px;position:relative}.home2-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.home2-ring-track{fill:none;stroke:#1c243017;stroke-width:8px}.home2-ring-fill{fill:none;stroke:var(--green);stroke-width:8px;stroke-linecap:round;transition:stroke-dashoffset .6s cubic-bezier(.22,1,.36,1)}.home2-ring-pct{color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums;justify-content:center;align-items:center;font-size:24px;font-weight:900;display:flex;position:absolute;inset:0}.home2-ring-pct small{align-self:center;margin-left:1px;font-size:12px;font-weight:900}.home2-summary-meta{flex-direction:column;gap:3px;display:flex}.home2-summary-title{color:var(--ink);font-size:16px;font-weight:900}.home2-summary-sub{color:var(--text-sub);font-size:13px;font-weight:700}.home2-group{margin-bottom:18px}.home2-group-title{color:var(--text-sub);letter-spacing:.06em;margin:0 0 8px 2px;font-size:11px;font-weight:800}.home2-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.home2-row.tool .home2-row-icon{width:32px;height:32px;color:var(--yellow);background:#f5a6231a;border-radius:9px;justify-content:center;align-items:center;font-size:17px;display:flex}.home2-row{border:1px solid var(--border);background:var(--surface);text-align:left;border-radius:10px;align-items:center;gap:12px;width:100%;padding:13px 12px 13px 14px;display:flex}.home2-row:active{background:#f7f9fb}.home2-row-icon{width:24px;color:var(--text-sub);text-align:center;flex-shrink:0;font-size:19px;font-weight:800;line-height:1}.home2-row.cat .home2-row-icon{filter:grayscale(.25)}.home2-row-num{font-variant-numeric:tabular-nums;letter-spacing:.02em;text-align:center;color:#aeb6c2;flex-shrink:0;width:26px;font-size:14px;font-weight:900}.home2-row.active .home2-row-num{color:var(--cta-bg)}.home2-row.done .home2-row-num{color:var(--green)}.home2-row-body{flex:1;min-width:0}.home2-row-top{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.home2-row.cat .home2-row-top{margin-bottom:6px}.home2-row-name{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:800;overflow:hidden}.home2-row-count{color:var(--text-sub);flex-shrink:0;font-size:12px;font-weight:800}.home2-row-count.alert{color:var(--red)}.home2-badge{background:var(--red);color:#fff;border-radius:999px;flex-shrink:0;justify-content:center;align-self:center;align-items:center;min-width:21px;height:21px;padding:0 6px;font-size:12px;font-weight:800;line-height:1;display:inline-flex}.home2-row-chev{color:#c2cad4;flex-shrink:0;font-size:20px;font-weight:700;line-height:1}.home2-row-bar{background:#1c243012;border-radius:999px;height:4px;display:block;overflow:hidden}.home2-row-bar>span{border-radius:inherit;background:var(--green);height:100%;transition:width .35s,background .35s;display:block}.home2-row.active .home2-row-bar>span{background:var(--cta-bg)}.home2-row.done .home2-row-bar>span{background:var(--green)}.home2-row.miss .home2-row-count{color:var(--red)}.home2-row.active .home2-row-count{color:var(--yellow)}.home2-row.done .home2-row-count{color:var(--green)}@media (max-width:374px){.brand--hero{gap:6px}.brand--hero .brand-sign{width:30px;height:30px}.brand--hero .brand-name{font-size:22px}.ob-title{font-size:20px}.ob-question{padding:14px 16px;font-size:15px}.ob-coverage-grid{gap:1px 10px}.ob-coverage-grid li{font-size:9.5px}}.mine-list{flex-direction:column;gap:8px;list-style:none;display:flex}.mine-row{background:var(--surface);border:1px solid var(--border);border-radius:12px;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;display:flex}.mine-row-main{flex-direction:column;display:flex}.mine-name{font-size:15px;font-weight:700}.miss-note{color:var(--text-sub);font-size:11px}.miss-badge{border:1px solid var(--border);background:#eef1f5;border-radius:999px;flex-shrink:0;align-items:center;gap:2px;padding:7px 9px;font-size:14px;line-height:1;display:inline-flex}.miss-badge b{color:var(--text-sub);font-size:12px;font-weight:800}.miss-badge.mid{border-color:var(--yellow);background:#ffd7401f}.miss-badge.mid b{color:var(--yellow)}.miss-badge.high{border-color:var(--red);background:#ff525226}.miss-badge.high b{color:var(--red)}.review-list{margin-top:14px}.review-row{flex-direction:column;align-items:stretch;padding:0}.review-row-head{text-align:left;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:12px 14px;display:flex}.review-row-head .mine-row-main{flex:1;gap:3px;min-width:0}.row-caret{background:var(--bg);border:1px solid var(--border);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;transition:transform .2s;display:flex}.row-caret:before{content:"";border-right:2.5px solid var(--text-sub);border-bottom:2.5px solid var(--text-sub);border-radius:1px;width:8px;height:8px;margin-top:-4px;transform:rotate(45deg)}.review-row-head[aria-expanded=true] .row-caret{transform:rotate(180deg)}.review-detail{border-top:1px solid var(--border);flex-direction:column;gap:10px;padding:12px 14px 14px;display:flex}.review-summary{font-size:13px;font-weight:700}.review-q{background:var(--bg);border-radius:10px;padding:10px 12px}.review-q-text{font-size:13px;font-weight:600}.review-q-answer{margin-top:6px;font-size:12px;font-weight:700}.review-q-answer .mark{font-size:14px}.review-q-oneliner{color:var(--text-sub);margin-left:6px;font-weight:600}.review-q-explain{color:var(--text-sub);margin-top:6px;font-size:12px}.review-q-tip{margin-top:6px;font-size:12px}.status-badge{border-radius:999px;flex-shrink:0;padding:4px 10px;font-size:11px;font-weight:800}.status-badge.gray{color:var(--text-sub);border:1px solid var(--border);background:#eef1f5}.status-badge.red{color:var(--red);border:1px solid var(--red);background:#ff525226}.status-badge.yellow{color:var(--yellow);border:1px solid var(--yellow);background:#ffd7401f}.status-badge.green{color:var(--green);border:1px solid var(--green);background:#00e6761f}.sticky-cta{bottom:calc(12px + env(safe-area-inset-bottom));margin-top:16px;position:sticky}.list-section{margin-top:18px}.list-area{color:var(--text-sub);margin-bottom:8px;font-size:14px;font-weight:800}.screen-desc{color:var(--text-sub);margin-bottom:4px;font-size:13px}.list-screen{gap:14px}.list-screen .nav-header,.list-screen .screen-desc{margin-bottom:0}.list-screen .review-list{margin-top:0}.empty-note{text-align:center;color:var(--text-sub);margin-top:32px}.locked-teaser{border:1px dashed var(--border);text-align:center;border-radius:14px;margin-top:24px;padding:16px}.locked-teaser .big-btn{margin-top:10px}.filter-chips{flex-wrap:wrap;gap:8px;display:flex}.chip{background:var(--surface);border:1px solid var(--border);color:var(--text-sub);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700}.chip small{opacity:.8;margin-left:5px}.chip.active{background:var(--text);color:var(--surface);border-color:var(--text)}.search-input{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);border-radius:12px;padding:11px 14px;font-size:15px;font-weight:600}.search-input:focus{border-color:var(--text);outline:none}.quiz-screen{gap:0}.quiz-header{margin-bottom:8px}.qh-center{flex-direction:column;flex:1;align-items:center;display:flex}.qh-area{font-size:15px;font-weight:800}.qh-progress{color:var(--text-sub);font-size:12px}.progress-bar{background:var(--surface);border-radius:3px;height:5px;margin-bottom:10px;overflow:hidden}.progress-fill{background:var(--yellow);border-radius:3px;height:100%;transition:width .25s}.card-area{flex:1;justify-content:center;align-items:center;min-height:280px;display:flex}.swipe-card{background:var(--card);border:1px solid var(--border);cursor:grab;-webkit-user-select:none;user-select:none;border-radius:20px;flex-direction:column;justify-content:center;width:100%;min-height:260px;padding:26px 22px;display:flex;position:relative;box-shadow:0 8px 24px #141e321f}.sign-images{justify-content:center;gap:16px;margin-bottom:16px;display:flex}.sign-img{object-fit:contain;pointer-events:none;width:96px;height:96px}.sign-images-sm{justify-content:flex-start;margin-bottom:8px}.sign-images-sm .sign-img{width:56px;height:56px}.question-text{font-size:21px;font-weight:700;line-height:1.75}.trap{color:var(--red);font-weight:900}.swipe-badge{opacity:0;font-size:40px;font-weight:900;position:absolute;top:14px}.swipe-badge.maru{color:var(--green);left:18px}.swipe-badge.batsu{color:var(--red);right:18px}.swipe-badge.unknown{color:var(--yellow);left:50%;transform:translate(-50%)}.answer-zone{padding-top:12px}.swipe-guide{text-align:center;color:var(--text-sub);margin-bottom:10px;font-size:11px}.answer-buttons{gap:12px;display:flex}.answer-btn{background:var(--surface);border:1.5px solid var(--border);border-radius:16px;flex-direction:column;flex:1;justify-content:center;align-items:center;min-height:76px;font-size:30px;font-weight:900;display:flex}.answer-btn:active{transform:scale(.96)}.ab-label{color:var(--text-sub);font-size:11px;font-weight:700}.answer-btn.maru{color:var(--green);border-color:var(--green)}.answer-btn.batsu{color:var(--red);border-color:var(--red)}.answer-btn.unknown{color:var(--yellow);border-color:var(--yellow)}.feedback-screen{justify-content:space-between}.fb-body{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;display:flex}.fb-red .fb-body{justify-content:flex-start;padding-top:8px}.feedback-screen.fb-green{background:radial-gradient(at 50% 30%,#00e6760d,#0000 65%)}.feedback-screen.fb-red{background:radial-gradient(at 50% 12%,#ff52520d,#0000 60%)}.fb-title{font-size:27px;font-weight:900}.fb-green .fb-title{color:var(--green)}.fb-red .fb-title{color:var(--red)}.fb-mine-name{font-size:19px;font-weight:800}.fb-sub{color:var(--text-sub);font-size:14px}.fb-note{color:var(--text-sub);text-align:center;margin-top:8px;font-size:12px}.big-icon{font-size:64px;line-height:1}.big-icon.ok{color:var(--green);text-shadow:0 0 32px var(--green-glow)}.fb-mascot{margin:4px auto;display:block}.empty-note .empty-mascot{margin:0 auto 10px;display:block}.empty-note p{margin:0}.explain-scroll{width:100%;overflow-y:auto}.trap-box,.explain-box,.tip-box{text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:14px;width:100%;padding:13px 15px;font-size:14.5px}.trap-box{border-color:#ff525280}.fb-correct .trap-box{border-color:#00e67673}.fb-correct{justify-content:flex-start;padding-top:8px}.fb-result-zone{text-align:center;flex-direction:column;align-items:center;gap:10px;width:100%;padding-bottom:8px;display:flex}.fb-question-box{background:var(--bg);border-radius:10px;width:100%;padding:10px 12px}.fb-question-text{font-size:14px;font-weight:700;line-height:1.5}.fb-question-answer{margin-top:8px;font-size:13px;font-weight:800}.section-divider-label{width:100%;color:var(--text-sub);text-align:center;border-top:1px solid var(--border);margin-top:4px;padding-top:14px;font-size:12px;font-weight:800}.trap-word-ok{color:var(--green);font-size:17px;font-weight:900}.tip-box{border-color:#ffd74073}.box-label{color:var(--text-sub);margin-bottom:3px;font-size:11px;font-weight:800;display:block}.trap-word{color:var(--red);font-size:17px;font-weight:900}.correct-row{font-size:16px;font-weight:800}.mark{font-size:20px;font-weight:900}.mark.ok{color:var(--green)}.mark.ng{color:var(--red)}.paywall-hero{text-align:center;background:var(--surface);border:1px solid #ff525280;border-radius:18px;padding:20px}.paywall-num{color:var(--red);text-shadow:0 0 28px var(--red-glow);font-size:56px;font-weight:900;line-height:1.15;display:block}.paywall-num small{color:var(--text-sub);font-size:18px}.paywall-copy{color:var(--text-sub);margin-top:10px;font-size:14px}.paywall-copy strong{color:var(--red)}.benefits{background:var(--surface);border:1px solid var(--border);border-radius:14px;margin:16px 0;padding:10px 16px;list-style:none}.benefits li{border-bottom:1px solid var(--border);padding:7px 0;font-size:14.5px;font-weight:700}.benefits li:last-child{border-bottom:none}.price-box{text-align:center;margin-bottom:4px}.price{color:var(--yellow);font-size:38px;font-weight:900}.price-note{color:var(--text-sub);font-size:12px;display:block}.onboarding{justify-content:center;position:relative}.ob-skip-row{min-height:24px;position:absolute;top:16px;right:20px}.ob-skip-row .text-btn{margin-top:0}.ob-card{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:100%;padding:12px 4px 24px;animation:.25s ease-out ob-in;display:flex}@keyframes ob-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ob-mascot{-webkit-user-select:none;user-select:none;filter:drop-shadow(0 6px 16px #00000059)}.ob-sample-label{min-height:24px;color:var(--yellow);background:#f5a6231f;border:1px solid #f5a62359;border-radius:999px;justify-content:center;align-items:center;padding:2px 10px;font-size:11px;font-weight:800;display:inline-flex}.ob-title{font-size:22px;font-weight:900;line-height:1.5}.ob-title strong{color:var(--yellow)}.ob-body{color:var(--text-sub);font-size:14.5px;line-height:1.9}.ob-body strong{color:var(--text)}.ob-coverage{background:var(--surface);border:1px solid var(--border);width:100%;min-width:0;box-shadow:var(--shadow);text-align:left;border-radius:14px;padding:12px 14px}.ob-coverage-title{text-align:center;margin-bottom:8px;font-size:12px;font-weight:800}.ob-coverage-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1px 14px;list-style:none;display:grid}.ob-coverage-grid li{min-width:0;color:var(--text-sub);justify-content:space-between;align-items:center;gap:6px;font-size:10.5px;font-weight:600;line-height:1.9;display:flex}.ob-coverage-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.ob-coverage-count{color:var(--yellow);flex-shrink:0;font-weight:800}.ob-coverage-grid li.common .ob-coverage-count{color:var(--text-sub);opacity:.6;font-weight:600}.ob-coverage-note{color:var(--text-sub);opacity:.8;text-align:center;margin-top:8px;font-size:10px}.ob-question{text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:14px;width:100%;padding:16px 18px;font-size:16px;font-weight:700;line-height:1.8}.ob-q-buttons{width:100%;margin-top:4px}.ob-reveal{flex-direction:column;gap:10px;width:100%;display:flex}.ob-reveal-answer{justify-content:center;align-items:center;gap:8px;font-size:15px;font-weight:700;display:flex}.ob-reveal-yours{color:var(--text-sub);align-items:center;gap:4px;font-size:13px;display:inline-flex}.ob-reveal-trap{color:var(--text-sub);font-size:14px;line-height:1.8}.ob-reveal-trap strong{color:var(--red)}.ob-dots{gap:8px;margin-bottom:8px;display:flex}.ob-dot{background:var(--border);border-radius:50%;width:8px;height:8px}.ob-dot.active{background:var(--yellow)}.logic-link{color:var(--yellow);align-self:center;font-size:13px;font-weight:700}.logic-steps{flex-direction:column;gap:10px;margin-bottom:24px;display:flex}.logic-step{background:var(--surface);border:1px solid var(--border);border-radius:14px;gap:12px;padding:14px;display:flex}.logic-step.highlight{border-color:var(--yellow);box-shadow:inset 0 0 24px #ffd74014}.logic-num{color:var(--text-sub);font-size:20px;line-height:1.4}.logic-step.highlight .logic-num{color:var(--yellow)}.logic-lead{font-size:15px;font-weight:800}.logic-lead strong{color:var(--yellow)}.logic-sub{color:var(--text-sub);margin-top:2px;font-size:13px}.logic-sub strong{color:var(--text)}.logic-h2{margin-bottom:4px;font-size:17px;font-weight:800}.coverage-stage{margin-top:14px}.coverage-stage-name{color:var(--text-sub);margin-bottom:6px;font-size:13px;font-weight:800}.coverage-list{background:var(--surface);border:1px solid var(--border);border-radius:14px;list-style:none;overflow:hidden}.coverage-list li{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:10px;padding:9px 14px;font-size:13px;display:flex}.coverage-list li:last-child{border-bottom:none}.coverage-count{color:var(--red);flex-shrink:0;font-weight:800}.coverage-list li.common .coverage-count{color:var(--green);font-size:12px;font-weight:500}.coverage-list li.common .coverage-name{color:var(--text-sub)}.logic-note{color:var(--text-sub);margin-top:10px;font-size:12px}.cmd-btn{background:var(--surface);width:100%;color:var(--text);text-align:left;white-space:nowrap;border:1.5px solid #cbd3dd;border-radius:12px;align-items:center;gap:10px;margin-top:12px;padding:13px 16px;font-size:15px;font-weight:800;display:flex}.cmd-badge{background:var(--red);color:#fff;border-radius:999px;flex-shrink:0;padding:2px 9px;font-size:11px;font-weight:800}.cmd-sub{color:var(--text-sub);white-space:nowrap;margin-left:auto;font-size:11px;font-weight:700}.cmd-btn.cta{color:var(--cta-text);background:linear-gradient(#ffc14d,#f5a623);border-color:#d98e0b;justify-content:center;font-size:16px;box-shadow:0 3px 10px #f5a62359}.cmd-btn.cta .cmd-sub{color:#7a5310;margin-left:0}.home-disclaimer{color:var(--text-sub);text-align:center;opacity:.85;margin-top:18px;padding:0 4px;font-size:10.5px;line-height:1.6}.exam-rules{color:var(--text-sub);background:var(--surface);border:1px solid var(--border);text-align:left;border-radius:14px;width:100%;padding:14px 18px;font-size:13.5px;list-style:none}.exam-rules li:before{content:"・"}.exam-intro .big-btn{margin-top:8px}.exam-score-box{text-align:center;padding:18px 0 6px}.exam-score{font-size:64px;font-weight:800;line-height:1.1}.exam-score small{color:var(--text-sub);font-size:24px;font-weight:700}.exam-score.pass{color:var(--green);text-shadow:0 0 32px var(--green-glow)}.exam-score.fail{color:var(--red);text-shadow:0 0 32px var(--red-glow)}.exam-judge{color:var(--text-sub);margin-top:6px;font-size:14px}.exam-split{background:var(--surface);border:1px solid var(--border);border-radius:14px;margin:14px 0 4px;padding:12px 16px}.exam-split-row{justify-content:space-between;align-items:center;gap:10px;padding:8px 0;display:flex}.exam-split-row+.exam-split-row{border-top:1px solid var(--border)}.exam-split-label{color:var(--ink);font-size:14px;font-weight:800}.exam-split-row.decoy .exam-split-label:before,.exam-split-row.mine .exam-split-label:before{content:"";vertical-align:1px;border-radius:50%;width:8px;height:8px;margin-right:8px;display:inline-block}.exam-split-row.decoy .exam-split-label:before{background:var(--green)}.exam-split-row.mine .exam-split-label:before{background:var(--red)}.exam-split-score{font-variant-numeric:tabular-nums;color:var(--text-sub);font-size:15px;font-weight:900}.exam-split-score.good{color:var(--green)}.exam-split-score.bad{color:var(--red)}.exam-split-note{border-top:1px solid var(--border);color:var(--text-sub);margin:4px 0 0;padding-top:10px;font-size:13px;line-height:1.7}.exam-split-note strong{color:var(--text)}.exam-killer{margin:14px 0 10px;font-size:15px;line-height:1.7}.exam-killer strong{color:var(--yellow)}.exam-wrong-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px}.exam-wrong-q{font-size:14px;line-height:1.7}.exam-wrong-a{color:var(--text-sub);margin-top:6px;font-size:13px}.exam-wrong-yours{border-left:1px solid var(--border);margin-left:12px;padding-left:12px}.exam-wrong-explain{margin-top:10px}.exam-wrong-explain summary{cursor:pointer;color:var(--text-sub);-webkit-user-select:none;user-select:none;padding:6px 0;font-size:13px;font-weight:700}.exam-wrong-explain[open] summary{color:var(--text)}.exam-explain-body{background:var(--bg);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:8px;margin-top:4px;padding:10px 12px;font-size:13px;line-height:1.7;display:flex}.exam-explain-trap{color:var(--text-sub);font-size:12px}.exam-explain-trap strong{color:var(--red)}.exam-explain-tip{color:var(--yellow);font-size:12px}.exam-wrong-mine{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;margin-top:8px;padding-top:8px;font-size:14px;font-weight:700;display:flex}.exam-wrong-area{color:var(--text-sub);white-space:nowrap;font-size:12px;font-weight:500}.exam-result .locked-teaser{margin-top:16px}.home-toast{bottom:calc(20px + env(safe-area-inset-bottom));background:var(--card);border:1px solid var(--border);width:calc(100% - 48px);max-width:380px;color:var(--text);text-align:center;z-index:30;border-radius:12px;padding:12px 16px;font-size:14px;animation:.2s ease-out toast-in;position:fixed;left:50%;transform:translate(-50%)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}.modal-overlay{z-index:40;background:#000000b3;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.reveal-modal{background:var(--card);border:1px solid var(--border);text-align:center;border-radius:16px;flex-direction:column;gap:12px;width:100%;max-width:360px;padding:28px 24px;display:flex}.reveal-modal .reveal-emoji{font-size:44px;line-height:1}.reveal-modal h2{margin:0;font-size:18px}.reveal-modal p{color:var(--text-sub);word-break:keep-all;overflow-wrap:anywhere;margin:0;font-size:14px;line-height:1.7}.reveal-modal p strong{color:var(--text)}.reveal-anchor{color:var(--text-sub);margin:-4px 0 0;font-size:12px}.upsell-banner{background:var(--surface);border:1.5px solid var(--cta-bg);width:100%;color:var(--text);border-radius:12px;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;font-size:14px;display:flex}.upsell-text{text-align:left;flex:1}.upsell-cta{color:var(--yellow);white-space:nowrap;font-weight:700}.price-anchor{color:var(--text-sub);margin-top:2px;font-size:11px;display:block}.dev-bar{bottom:calc(10px + env(safe-area-inset-bottom));z-index:9999;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);white-space:nowrap;background:#141414e0;border-radius:20px;align-items:center;gap:6px;padding:5px 10px;font-size:11px;display:flex;position:fixed;left:50%;transform:translate(-50%)}.dev-label{letter-spacing:.08em;color:#f59e0b;border-right:1px solid #fff3;padding-right:4px;font-size:9px;font-weight:900}.dev-bar button{color:#fff;background:#ffffff1a;border-radius:10px;padding:2px 6px;font-size:11px;transition:background .15s}.dev-bar button:hover{background:#ffffff38}
.seo-page{max-width:760px;margin:0 auto;padding:24px 20px 80px}body:has(.seo-topband){overflow-x:clip}.seo-topband{background:var(--ink);margin:-24px calc(50% - 50vw) 0;padding:24px 20px 0}.seo-topband-inner{max-width:720px;margin:0 auto}.seo-topband .seo-brand{color:#fff}.seo-topband .seo-brand-tagline{color:#ffffff8c}.seo-header{justify-content:space-between;align-items:center;gap:12px;padding:8px 0 20px;display:flex}.seo-brand{color:var(--ink);text-decoration:none}.seo-brand-tagline{color:var(--text-sub);letter-spacing:.01em;margin-top:2px;font-size:11px;font-weight:500;display:block}@media (max-width:460px){.seo-brand-tagline{display:none}}.seo-header-cta{background:var(--cta-bg);color:var(--cta-text);white-space:nowrap;border-radius:10px;padding:8px 14px;font-size:13px;font-weight:700;text-decoration:none}.seo-page h1{color:var(--ink);margin:8px 0 12px;font-size:26px;font-weight:900;line-height:1.35}.seo-page h2{color:var(--ink);margin:36px 0 12px;font-size:20px;font-weight:900}.seo-page h3{margin:24px 0 8px;font-size:16px;font-weight:700}.seo-page p{margin:0 0 12px}.seo-lead{color:var(--text);font-size:15px}.seo-breadcrumb{color:var(--text-sub);margin-bottom:8px;font-size:12px}.seo-breadcrumb a{color:var(--text-sub)}.seo-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px;margin-bottom:14px;padding:18px}.seo-card-link{color:inherit;text-decoration:none;transition:transform 80ms;display:block}.seo-card-link:hover{border-color:var(--cta-bg);transform:translateY(-1px)}.seo-card-title{color:var(--ink);margin-bottom:4px;font-size:15px;font-weight:700}.seo-card-sub{color:var(--text-sub);font-size:13px;line-height:1.55}.seo-for-who{margin:0 0 8px}.seo-for-who-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0;display:grid}@media (max-width:500px){.seo-for-who-grid{grid-template-columns:1fr}}.seo-for-who-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-left:4px solid var(--border);border-radius:14px;padding:16px}.seo-for-who-urgent{border-left-color:var(--red)}.seo-for-who-retry{border-left-color:var(--yellow)}.seo-for-who-prepare{border-left-color:var(--green)}.seo-for-who-label{color:var(--ink);margin-bottom:4px;font-size:14px;font-weight:700}.seo-for-who-sub{color:var(--text-sub);font-size:12px;line-height:1.5}.seo-step-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px;margin-bottom:14px;padding:16px 18px 16px 52px;position:relative}.seo-step-card:before{content:attr(data-step);font-variant-numeric:tabular-nums;color:#aeb6c2;font-size:18px;font-weight:900;line-height:1;position:absolute;top:50%;left:20px;transform:translateY(-50%)}.seo-step-card.is-final{border-color:var(--cta-bg);background:#fffaf0}.seo-coverage{margin:8px 0 4px}.seo-coverage-stage{margin-bottom:18px}.seo-coverage-stage-name{letter-spacing:.02em;color:var(--text-sub);margin:0 0 8px;font-size:13px;font-weight:900}.seo-coverage-list{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:14px;margin:0;padding:0;list-style:none;overflow:hidden}.seo-coverage-list li{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:11px 16px;display:flex}.seo-coverage-list li:first-child{border-top:none}.seo-coverage-name{color:var(--ink);font-size:13.5px;font-weight:700}.seo-coverage-count{color:var(--cta-bg);white-space:nowrap;flex-shrink:0;font-size:12px;font-weight:900}.seo-coverage-list li.common{background:#1c243006}.seo-coverage-list li.common .seo-coverage-name{color:var(--text-sub);font-weight:600}.seo-coverage-list li.common .seo-coverage-count{color:#9aa3b0}.seo-q{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px;margin:16px 0;padding:20px}.seo-q-label{letter-spacing:.08em;color:#fff;background:var(--ink);border-radius:6px;margin-bottom:10px;padding:2px 8px;font-size:11px;font-weight:900;display:inline-block}.seo-q-text{font-size:16px;font-weight:700;line-height:1.7}.seo-q-answer{border-top:1px dashed var(--border);margin-top:14px;padding-top:14px}.seo-q-mark{font-size:18px;font-weight:900}.seo-q-mark.is-true{color:var(--green)}.seo-q-mark.is-false{color:var(--red)}.seo-q-trap{color:var(--yellow);vertical-align:2px;border:1px solid;border-radius:6px;margin-left:8px;padding:1px 8px;font-size:12px;font-weight:700;display:inline-block}.seo-q-explanation{margin-top:10px;font-size:14px;line-height:1.8}.seo-q-tip{background:var(--bg);color:var(--text-sub);border-radius:10px;margin-top:10px;padding:10px 12px;font-size:13px}.seo-signs{gap:16px;margin:16px 0;display:flex}.seo-sign-img{object-fit:contain;border:1px solid var(--border);background:#fff;border-radius:12px;width:88px;height:88px;padding:10px}.seo-cta{text-align:center;background:var(--cta-bg);color:var(--cta-text);box-shadow:var(--shadow);border-radius:14px;margin:28px 0 8px;padding:16px;font-size:16px;font-weight:900;text-decoration:none;display:block}.seo-cta-sub{text-align:center;color:var(--text-sub);font-size:12px}.seo-area-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:16px 0;display:grid}.seo-hero{text-align:center;padding:40px 0 28px}.seo-hero h1{font-size:32px}.seo-hero--dark{padding:20px 0 36px}.seo-hero--dark h1{color:#fff}.seo-hero--dark .seo-lead{color:#ffffffd9}.seo-hero--dark .seo-lead strong{color:var(--cta-bg)}.seo-hero--dark .seo-hero-stat-num{color:#fff}.seo-hero--dark .seo-hero-stat-label,.seo-hero--dark .seo-cta-sub{color:#fff9}.seo-hero-note{color:#ffffff61;text-align:center;max-width:480px;margin:16px auto 0;font-size:10px;line-height:1.6}.seo-hero-note a{color:inherit}.seo-hero-stats{flex-wrap:wrap;justify-content:center;gap:16px 28px;margin:24px 0;display:flex}@media (max-width:420px){.seo-hero--dark h1{font-size:27px}}@media (max-width:350px){.seo-hero--dark h1{font-size:21px}}.seo-hero-stat{text-align:center}.seo-hero-stat-num{color:var(--ink);font-size:28px;font-weight:900;line-height:1.2}.seo-hero-stat-unit{margin-left:1px;font-size:14px;font-weight:700}.seo-hero-stat-label{color:var(--text-sub);font-size:12px}.seo-hero-trap{box-sizing:border-box;text-align:left;width:100%;max-width:440px;margin:22px auto 2px}.seo-trial-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;align-items:flex-start;padding:20px;display:flex}.seo-trial-sign{margin:12px 0 0}.seo-trial-question{margin:12px 0 16px;font-size:16px;font-weight:700;line-height:1.7}.seo-trial-buttons{gap:10px;width:100%;display:flex}.seo-trial-btn{background:var(--surface);cursor:pointer;border-radius:12px;flex:1;height:56px;font-family:inherit;font-size:26px;font-weight:900;transition:transform 80ms}.seo-trial-btn:active{transform:scale(.97)}.seo-trial-btn--true{border:2px solid var(--green);color:var(--green)}.seo-trial-btn--false{border:2px solid var(--red);color:var(--red)}.seo-trial-answer{border-top:1px dashed var(--border);flex-direction:column;width:100%;padding-top:14px;display:flex}.seo-trial-verdict{color:var(--ink);margin:0 0 8px;font-size:19px;font-weight:900}.seo-trial-verdict.is-ok{color:var(--green)}.seo-trial-verdict.is-ng{color:var(--red)}.seo-trial-verdict .seo-q-mark{margin-left:10px;font-size:15px}.seo-trial-clear{color:var(--text);margin:0 0 14px;font-size:14px;line-height:1.8}.seo-trial-next{background:var(--ink);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;height:48px;font-family:inherit;font-size:15px;font-weight:900}.seo-trial-card .seo-cta{box-sizing:border-box;width:100%;margin:4px 0 6px}.seo-trial-card .seo-cta-sub{width:100%;margin:0}.seo-trial-feedback{align-items:flex-start;gap:10px;display:flex}.seo-trial-feedback img{flex-shrink:0}.seo-trial-result-mascot{align-self:center;margin:4px 0}.seo-lead-mascot{float:right;margin:0 0 6px 12px}.seo-404{text-align:center}.seo-404-mascot{margin:36px auto 8px;display:block}.seo-areas-group{margin:18px 0}.seo-areas-title{color:var(--text-sub);letter-spacing:.06em;margin:0 0 8px 2px;font-size:11px;font-weight:800}.seo-areas-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.seo-areas-row{border:1px solid var(--border);background:var(--surface);color:inherit;border-radius:10px;align-items:center;gap:12px;padding:13px 12px 13px 14px;text-decoration:none;transition:transform 80ms,border-color 80ms;display:flex}.seo-areas-row:hover{border-color:var(--cta-bg);transform:translateY(-1px)}.seo-areas-num{font-variant-numeric:tabular-nums;letter-spacing:.02em;text-align:center;color:#aeb6c2;flex-shrink:0;width:26px;font-size:14px;font-weight:900}.seo-areas-name{min-width:0;color:var(--ink);flex:1;align-items:center;gap:8px;font-size:14px;font-weight:800;display:flex}.seo-areas-alert{color:var(--red);letter-spacing:.02em;flex-shrink:0;font-size:10px;font-weight:800}.seo-areas-count{color:var(--text-sub);flex-shrink:0;font-size:12px;font-weight:800}.seo-areas-chev{color:#c2cad4;flex-shrink:0;font-size:20px;font-weight:700;line-height:1}.seo-for-who-tag{border:1px solid;border-radius:4px;margin-bottom:8px;padding:1px 6px;font-size:10px;font-weight:800;display:inline-block}.seo-for-who-urgent .seo-for-who-tag{color:var(--red)}.seo-for-who-retry .seo-for-who-tag{color:var(--yellow)}.seo-for-who-prepare .seo-for-who-tag{color:var(--green)}.seo-sticky-bar{background:var(--surface);border-top:1px solid var(--border);z-index:50;width:100%;max-width:760px;padding:10px 16px 16px;transition:transform .25s;display:none;position:fixed;bottom:0;left:50%;transform:translate(-50%,120%);box-shadow:0 -4px 16px #141e321a}.seo-sticky-bar.is-visible{transform:translate(-50%)}@media (max-width:680px){.seo-sticky-bar{display:block}}.seo-sticky-cta-btn{text-align:center;background:var(--cta-bg);color:var(--cta-text);border-radius:12px;padding:14px;font-size:16px;font-weight:900;text-decoration:none;display:block}.seo-sticky-sub{text-align:center;color:var(--text-sub);margin:4px 0 0;font-size:11px}.seo-footer{border-top:1px solid var(--border);color:var(--text-sub);flex-wrap:wrap;gap:14px;margin-top:56px;padding-top:20px;font-size:12px;display:flex}.seo-footer a,.muted{color:var(--text-sub)}