@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800;900&display=swap'); :root{--bg:#031608;--panel:#182438;--panel2:#165220;--text:#ccc8ca;--muted:#9eacc1;--accent:#841c8d;--cyan:#55d6c2;--gold:#ffc96b;--red:#ff7185;--line:rgba(255,255,255,.1)} *{box-sizing:border-box} body{overflow-y: auto; scrollbar-width: none; margin:0;min-height:100vh;background:radial-gradient(circle at 12% 15%,#031108 0,transparent 30%),radial-gradient(circle at 90% 80%,#02331a 0,transparent 28%),var(--bg);color:var(--text);font-family:'Noto Sans JP',sans-serif} html {min-height: 100%; scrollbar-width: none;} html::-webkit-scrollbar,body::-webkit-scrollbar {display: none;} button,select{font:inherit} .app-shell{width:min(1120px,calc(100% - 36px));margin:auto;min-height:100vh;display:flex;flex-direction:column} .topbar{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)} .brand{font-size:22px;font-weight:900;letter-spacing:.04em;display:flex;gap:10px;align-items:center}.brand-icon{font-size:27px}.brand-accent{color:var(--cyan)} .top-note,.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--muted);font-weight:700} main{flex:1;display:flex;align-items:center;justify-content:center;padding:38px 0} .screen{display:none;width:100%}.screen.active{display:block} #start-screen{display:none;grid-template-columns:1.15fr .85fr;gap:45px;align-items:center}#start-screen.active{display:grid} .hero{padding:25px 0}.hero-badge{display:inline-block;border:1px solid rgba(85,214,194,.4);color:var(--cyan);background:rgba(85,214,194,.08);border-radius:30px;padding:7px 14px;font-size:16px;font-weight:700;letter-spacing:.08em} h1{font-size:clamp(34px,5vw,58px);line-height:1.3;letter-spacing:-.04em;margin:20px 0 15px; text-align:left; background: linear-gradient(90deg,#FFD700 0%,#FFA500 30%,#FF4500 60%,#FF1493 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; color: transparent;} h1 span{background: linear-gradient(90deg,#00D4FF 0%,#4F46E5 50%,#A855F7 100%); -webkit-background-clip: text;-webkit-text-fill-color: transparent;background-clip: text;color: transparent;} h1{font-size:clamp(34px,5vw,58px);line-height:1.3; letter-spacing:-.04em;margin:20px 0 15px}h1 span{color:var(--cyan)} h2{font-size:clamp(34px,5vw,38px);line-height:1.3; letter-spacing:-.04em;margin:20px 0 15px; color:#39c8db;} .lead{max-width:590px;color:#b4c0d1;line-height:1.9;font-size:15px} .feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:28px 0} .feature{background:rgba(141, 197, 243, 0.171);border:1px solid var(--line);border-radius:14px;padding:14px 8px;display:flex;flex-direction:column;align-items:center;gap:5px}.feature span{font-size:25px}.feature b{font-size:13px}.feature small{font-size:10px;color:var(--muted)} .settings-row{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--muted);font-size:13px}.settings-row select{background:var(--panel2);color:white;border:1px solid var(--line);border-radius:8px;padding:8px 28px 8px 10px}.check-label{margin-left:auto;display:flex;gap:6px;align-items:center}.check-label input{accent-color:var(--cyan)} .primary-button,.secondary-button{border:0;border-radius:12px;padding:15px 24px;font-weight:800;cursor:pointer;transition:.2s}.primary-button{background:linear-gradient(100deg,var(--accent),#6b9cff);color:rgb(255, 255, 255);box-shadow:0 8px 25px #7568ff35}.primary-button:hover{transform:translateY(-2px);filter:brightness(1.08)}.primary-button span{margin-left:20px;font-size:20px}.small-note{font-size:14px;color:var(--muted);margin-top:12px} .intro-side{height:430px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,#26395a,#18243a 65%);position:relative;display:grid;place-items:center;overflow:hidden}.intro-side:before,.intro-side:after{content:"";position:absolute;border:1px solid #ffffff18;border-radius:50%;width:330px;height:330px}.intro-side:after{width:430px;height:430px}.brain-visual{font-size:145px;filter:drop-shadow(0 15px 25px #0006);z-index:1;animation:float 4s ease-in-out infinite}.orbit{position:absolute;font-size:34px;z-index:2;background:#314666;border:1px solid #ffffff22;width:66px;height:66px;display:grid;place-items:center;border-radius:20px;box-shadow:0 10px 20px #0003}.orbit-one{top:65px;left:70px}.orbit-two{right:65px;top:125px}.orbit-three{bottom:75px;left:105px}.side-caption{position:absolute;bottom:30px;right:30px;text-align:right;font-size:10px;letter-spacing:.2em;color:#a9b9d0;line-height:1.7}.side-caption strong{color:var(--cyan)} @keyframes float{50%{transform:translateY(-12px)}} #quiz-screen{max-width:850px;margin:auto}.quiz-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.quiz-top h2{font-size:27px;margin:5px 0}.timer{width:76px;height:76px;border-radius:50%;border:3px solid var(--cyan);display:flex;align-items:center;justify-content:center;flex-wrap:wrap;align-content:center;box-shadow:0 0 25px #55d6c225}.timer span{width:100%;text-align:center;font-size:9px;color:var(--muted)}.timer strong{font-size:25px;line-height:1.2}.timer small{font-size:10px;margin-left:3px;color:var(--muted)} .progress-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:9px}.progress-track{height:7px;border-radius:10px;background:#29364a;overflow:hidden}.progress-track div{height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--accent));transition:width .3s} .question-card{margin-top:22px;background:linear-gradient(145deg,#051b3b,#172337);border:1px solid var(--line);border-radius:22px;padding:30px;min-height:390px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.question-instruction{font-size:24px;font-weight:700;color:#dce5f2;margin-bottom:24px}.question-area{width:100%;display:flex;flex-direction:column;align-items:center;gap:18px}.feedback{height:26px;margin-top:14px;font-weight:800;font-size:14px}.feedback.good{color:var(--cyan)}.feedback.bad{color:var(--gold)} .emoji-board{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;width:min(510px,100%);background:#111d30;padding:20px;border-radius:16px}.emoji-cell{font-size:clamp(24px,4vw,38px);padding:5px}.big-symbol{font-size:clamp(48px,9vw,88px);letter-spacing:.18em;line-height:1.5}.answer-grid{display:grid;grid-template-columns:repeat(2,minmax(110px,1fr));gap:12px;width:min(500px,100%)}.answer-btn{border:1px solid #53627a;background:#273751;color:rgb(255, 255, 255);padding:14px 12px;border-radius:12px;font-weight:700;font-size:17px;cursor:pointer;min-height:55px;transition:.15s}.answer-btn:hover{background:#3a4d6d;border-color:var(--cyan);transform:translateY(-2px)}.answer-btn:disabled{opacity:.55;cursor:default;transform:none} .color-word{font-size:clamp(42px,8vw,76px);font-weight:900;padding:15px 30px}.memory-sequence{font-size:clamp(32px,6vw,54px);letter-spacing:.25em;font-weight:900;background:#101d30;border-radius:15px;padding:22px;min-width:70%}.shape-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;font-size:48px;padding:15px}.number-line{font-size:clamp(25px,5vw,42px);letter-spacing:.2em;font-weight:800;background:#101d30;padding:22px;border-radius:14px;width:100%} .quiz-footer{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-top:16px} #result-screen{max-width:900px;margin:auto}.result-heading{text-align:center;margin-bottom:25px}.result-heading h1{font-size:38px;margin:12px 0 4px}.result-heading p{color:var(--muted);margin:0}.score-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}.total-card,.breakdown-card{background:linear-gradient(145deg,#1c2b42,#172337);border:1px solid var(--line);border-radius:20px;padding:24px}.total-card{text-align:center}.score-ring{width:155px;height:155px;border-radius:50%;margin:0 auto 15px;background:conic-gradient(var(--cyan) var(--score,0%),#34445b 0);display:grid;place-items:center;position:relative}.score-ring:before{content:"";position:absolute;inset:11px;border-radius:50%;background:#1b2a40}.score-ring div{z-index:1}.score-ring strong{font-size:48px}.score-ring span{font-size:15px;color:var(--muted)}.rank-label{font-size:19px;font-weight:900;color:var(--gold)}#rank-message{font-size:12px;color:var(--muted)}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:20px;padding-top:18px;gap:5px}.result-stats div{display:flex;flex-direction:column;gap:4px}.result-stats strong{font-size:17px}.result-stats span{font-size:10px;color:var(--muted)} .breakdown-card h3{margin:0 0 18px}.skill-row{display:grid;grid-template-columns:100px 1fr 42px;align-items:center;gap:10px;margin:14px 0;font-size:12px}.skill-track{height:9px;background:#34445b;border-radius:10px;overflow:hidden}.skill-track i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--cyan));border-radius:10px}.skill-row strong{text-align:right}.result-actions{display:flex;justify-content:center;gap:12px;margin:25px 0 12px}.secondary-button{background:#2b3b54;color:#dce5f2}.disclaimer{text-align:center;font-size:10px;color:#7f8da3} footer{border-top:1px solid var(--line);padding:18px 0;text-align:center;color:#74839a;font-size:11px}footer span{padding:0 8px;color:var(--cyan)} @media(max-width:760px){.app-shell{width:min(100% - 24px,600px)}.topbar{height:65px}.top-note{font-size:8px}main{padding:22px 0}#start-screen.active{grid-template-columns:1fr}.hero{padding:5px 0}.intro-side{display:none}h1{font-size:39px}.feature-grid{gap:6px}.feature{padding:10px 4px}.feature small{font-size:9px}.question-card{padding:22px 14px;min-height:360px}.quiz-top h2{font-size:21px}.score-layout{grid-template-columns:1fr}.result-heading h1{font-size:30px}.quiz-footer span:last-child{max-width:55%;text-align:right}.emoji-board{gap:5px;padding:12px}.emoji-cell{font-size:27px}.skill-row{grid-template-columns:85px 1fr 35px}} @media(max-width:390px){.settings-row{gap:7px;font-size:11px}.settings-row select{padding:7px}.feature span{font-size:21px}.answer-btn{font-size:15px;padding:11px 6px}.result-actions{flex-direction:column}.primary-button,.secondary-button{width:100%}} .memory-input{width:min(280px,90%);padding:14px;border-radius:10px;border:1px solid #64748b;background:#101d30;color:#fff;text-align:center;font-size:24px;letter-spacing:.2em;outline:none} .memory-input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #55d6c222} .submit-answer{min-width:180px} .muted{color:var(--muted);font-size:13px} .emoji-board button.emoji-cell{font-size:48px;min-height:78px;padding:8px;display:flex;align-items:center;justify-content:center;line-height:1.2;border-radius:14px} .emoji-board:has(button.emoji-cell){grid-template-columns:repeat(6,1fr);gap:12px;padding:20px} @media(max-width:760px){.emoji-board button.emoji-cell{font-size:38px;min-height:65px}.emoji-board:has(button.emoji-cell){gap:8px;padding:12px}} .shape-row{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap;width:100%;padding:20px 5px} .shape-row .answer-btn{font-size:48px;min-width:105px;min-height:110px;padding:12px;display:flex;align-items:center;justify-content:center;border-radius:16px} @media(max-width:760px){.shape-row{gap:10px}.shape-row .answer-btn{font-size:38px;min-width:75px;min-height:85px}} #question-area.flash-answers .answer-btn{font-size:48px;min-height:75px} #question-area.math-answers .answer-btn{font-size:32px;min-height:60px} #question-area.flash-answers .answer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%} #question-area.flash-answers .answer-btn{font-size:42px;min-height:75px} #question-area.emoji-count-answers .answer-btn{font-size:32px;font-weight:700;min-height:65px} .feedback{font-size:26px;font-weight:700;line-height:1.6;padding:12px} #question-area.number-order-answers .answer-btn{font-size:32px;font-weight:700;min-height:65px} .font-size-controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:10px} .font-size-controls span{font-size:16px;font-weight:700} .font-size-controls button{padding:9px 15px;font-size:16px;font-weight:700;border:2px solid #64748b;border-radius:8px;background:#fff;color:#1e293b;cursor:pointer;min-height:42px} .font-size-controls button.active{background:#2563eb;color:#fff;border-color:#2563eb} html{font-size:100%} html[data-font-size="large"]{font-size:115%} html[data-font-size="extra"]{font-size:130%} html[data-font-size="large"] .question-instruction,html[data-font-size="large"] .feedback{font-size:30px!important} html[data-font-size="extra"] .question-instruction,html[data-font-size="extra"] .feedback{font-size:34px!important} @media(max-width:600px){.font-size-controls{gap:5px}.font-size-controls button{padding:8px 10px;font-size:15px}} #practice-button{width:100%;margin-bottom:6px;margin-top:12px;min-height:60px;font-size:20px;background:#3c72e63a;font-weight:700} #practice-start-test,#practice-home{width:100%;margin-top:15px;min-height:60px;font-size:22px} .feedback{box-sizing:border-box;width:100%;max-width:100%;min-height:110px;padding:20px 12px;display:flex;flex-direction:column;justify-content:center;align-items:center;overflow-wrap:anywhere;word-break:break-word;white-space:normal;text-align:center} .feedback button{display:block;box-sizing:border-box;width:100%;max-width:100%;margin:12px auto 0;white-space:normal} .print-button{width:100%;min-height:60px;margin-top:15px;padding:12px;font-size:22px;background:#b4e8f150;color:#ebe5e5ef;font-weight:700;border:none;border-radius:12px;cursor:pointer} .detailed-container.hidden-on-screen{display:none} .total-eval-display{background:rgba(255,255,255,.04);border-radius:12px;padding:16px;margin-bottom:10px} .eval-rank-badge{font-size:22px;font-weight:900;color:var(--cyan);margin-bottom:8px} .eval-comment-text{font-size:14px;line-height:1.6;margin:0;color:var(--text)} .detailed-item{margin-bottom:12px;padding-bottom:8px;border-bottom:1px dashed var(--line)} .detailed-item-header{display:flex;justify-content:space-between;font-weight:700;font-size:14px} .detailed-item-comment{font-size:12px;color:var(--cyan);margin-top:3px} .analysis-section{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px} .analysis-box{background:rgba(0,0,0,.2);padding:10px;border-radius:8px;border-left:3px solid var(--cyan)} .weakness-box{border-left-color:var(--gold)} .analysis-box h4{margin:0 0 4px;font-size:12px;color:var(--muted)} .analysis-box p{margin:0;font-size:13px;font-weight:700} .advice-box{margin-top:15px;background:rgba(255,255,255,.05);padding:12px;border-radius:10px} .advice-box h4{margin:0 0 6px;font-size:13px;color:var(--gold)} .advice-box p{margin:0;font-size:12px;line-height:1.6} .print-header{display:none;font-size:24px;font-weight:900;text-align:center;margin-bottom:15px;border-bottom:2px solid #000;padding-bottom:8px} .abort-btn{background:rgba(179,113,255,.15);border:1px solid rgba(255,113,133,.4);color:var(--red);padding:8px 14px;font-size:13px;font-weight:700;border-radius:8px;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;gap:5px} .abort-btn:hover{background:rgb(226,151,161)} .modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(3,22,8,.75);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px} .modal-card{background:linear-gradient(145deg,#1c2b42,#172337);border:1px solid var(--line);border-radius:20px;padding:28px 24px;max-width:420px;width:100%;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.5);animation:modalPop .2s ease-out} @keyframes modalPop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}} .modal-card h3{margin:0 0 12px;font-size:20px;color:var(--gold)} .modal-card p{font-size:15px;line-height:1.6;color:var(--text);margin-bottom:24px} .modal-card small{color:var(--muted);font-size:12px} .modal-actions{display:flex;gap:12px;justify-content:center} .modal-actions button{flex:1;padding:12px;font-size:15px;border-radius:10px} .danger-button{background:linear-gradient(100deg,#e11d48,#ff7185);color:#fff;border:0;font-weight:700;cursor:pointer;transition:.2s} .danger-button:hover{filter:brightness(1.1);transform:translateY(-2px)} @media print{body *{visibility:hidden}.print-header{display:block!important}#result-screen,#result-screen *{visibility:visible}#result-screen{display:block!important;position:absolute;left:0;top:0;width:100%;padding:0;background:#fff!important;color:#000!important}.detailed-container.hidden-on-screen{display:block!important}.result-actions,.print-button,.hero-badge,.disclaimer{display:none!important}.total-card,.breakdown-card{background:#fff!important;border:1px solid #ccc!important;color:#000!important}#result-screen *{color:#000!important;box-shadow:none!important}.detailed-item-comment{color:#333!important}.score-ring{background:none!important;border:4px solid #000!important}.score-ring:before{display:none}@page{size:A4;margin:12mm}} .problem-guide{font-size:14px; color:#23b61e;}