:root{--color-primary: #1E2A38;--color-primary-dark: #4A3626;--color-accent: #C9A24D;--color-accent-red: #8B2C2C;--color-bg-main: #F2E8D5;--color-bg-white: #ffffff;--color-text-main: #1E2A38;--color-text-sub: #4A3626;--color-text-light: #8B7355;--color-border: #D4C4A8;--color-success: #1E3A8A;--color-error: #DC2626;--color-warning: #D4A574}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Hiragino Sans,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}#root{width:100%;max-width:none;margin:0;padding:0}html,body{width:100%;max-width:none;overflow-x:hidden}body{background:var(--color-primary);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:20px;font-size:16px}.app{max-width:1200px;width:100%;margin:0 auto;padding:0 20px}.header{background:var(--color-bg-white);padding:12px 20px;border-radius:10px;box-shadow:0 4px 12px #00000026;margin-bottom:15px;width:100%}.header-compact{display:flex;align-items:center;justify-content:space-between;gap:15px}.btn-back{background:var(--color-text-sub);color:#fff;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:13px;transition:background .3s;white-space:nowrap;flex-shrink:0}.btn-back:hover{background:var(--color-text-main)}.header-title{flex:1;text-align:center;min-width:0}.chapter-name{display:block;font-size:16px;font-weight:700;color:var(--color-accent);margin-bottom:2px}.chapter-subtitle{display:block;font-size:12px;color:var(--color-text-sub)}.header-stats{display:flex;gap:12px;font-size:14px;color:var(--color-text-sub);white-space:nowrap;flex-shrink:0}.header-stats span{font-weight:700;color:var(--color-text-main)}.content{background:var(--color-bg-white);padding:35px;border-radius:15px;box-shadow:0 4px 12px #00000026;min-height:500px;width:100%;max-width:none}.progress{text-align:right;color:var(--color-text-light);font-size:14px;margin-bottom:15px}.scene{background:linear-gradient(135deg,#e8dcc8,#d4c4a8);padding:12px 18px;border-radius:8px;margin-bottom:20px;color:var(--color-text-sub);font-weight:700;font-size:15px}.question-box{margin-bottom:20px}.question-box h3{font-size:19px;margin-bottom:25px;color:var(--color-text-main);line-height:1.7}.question-image{margin:25px 0;text-align:center}.question-image img{max-width:600px;max-height:800px;width:auto;height:auto;border-radius:10px}.choices{display:flex;flex-direction:column;gap:12px}.choice-btn{background:var(--color-bg-white);border:2px solid var(--color-border);padding:18px;border-radius:10px;text-align:left;cursor:pointer;transition:all .3s;font-size:16px;line-height:1.6;color:var(--color-text-main)}.choice-btn:hover{border-color:var(--color-accent);background:#e8eeff;transform:translate(8px)}.choice-btn:active{transform:translate(8px) scale(.98)}.multiple-choice-hint{color:var(--color-accent);font-size:14px;margin-bottom:15px;font-weight:700}.choice-btn.selected{background:#e8eeff;border-color:var(--color-accent)}.choice-checkbox{display:inline-block;margin-right:10px;font-size:18px}.btn-submit-choices{width:100%;background:var(--color-accent);color:#fff;border:none;padding:14px;border-radius:10px;font-size:17px;font-weight:700;cursor:pointer;margin-top:15px;transition:all .3s;box-shadow:0 4px 12px #4169e14d}.btn-submit-choices:disabled{background:#ccc;cursor:not-allowed}.btn-submit-choices:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 6px 16px #4169e166}.hint-box{background:#fff9e6;padding:20px;border-radius:10px;margin-top:25px;border-left:5px solid var(--color-warning);font-size:16px}.hint-box strong{color:#f59e0b}.hint-note{margin-top:10px;font-size:14px;color:var(--color-text-sub)}.feedback{text-align:center}.feedback h2{font-size:32px;margin-bottom:25px}.feedback.correct h2{color:var(--color-success)}.feedback.incorrect h2{color:var(--color-error)}.answer-comparison{display:flex;gap:20px;margin:25px 0;flex-wrap:wrap}.answer-box{flex:1;min-width:250px;padding:20px;border-radius:10px;box-shadow:0 2px 8px #0000001a}.your-answer{background:#fff9e6;border-left:5px solid var(--color-warning)}.correct-answer{background:#e6f7ff;border-left:5px solid var(--color-success)}.answer-box h3{margin-bottom:12px;font-size:16px;color:var(--color-text-main)}.answer-box p{font-size:15px;line-height:1.7;color:var(--color-text-main);margin:0}.explanation{background:#f8f9fa;padding:25px;border-radius:10px;margin:25px 0;text-align:left}.explanation h3{margin-bottom:15px;color:var(--color-text-main);font-size:18px}.explanation p{margin-bottom:12px;line-height:1.8;color:var(--color-text-main);font-size:16px}.explanation p:last-child{margin-bottom:0}.explanation-image{margin-top:20px;text-align:center}.explanation-image img{max-width:600px;max-height:800px;width:auto;height:auto;border-radius:10px}.dialogues{margin-bottom:30px}.dialogue-container{display:flex;gap:12px;margin-bottom:20px;align-items:flex-start;flex-direction:row}.speaker-icon{font-size:50px;flex-shrink:0;width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-white);border-radius:50%;box-shadow:0 2px 8px #0000001a}.speaker-icon img{width:100%;height:100%;object-fit:cover;border-radius:50%}.dialogue-content{flex:1;max-width:100%;min-width:0;text-align:left}.speaker-name{font-size:14px;color:var(--color-text-sub);margin-bottom:6px;font-weight:700}.dialogue-bubble{background:var(--color-bg-white);padding:20px 25px;border-radius:20px;box-shadow:0 3px 10px #00000014;position:relative;line-height:1.8;color:var(--color-text-main);width:100%;font-size:16px;word-wrap:break-word;overflow-wrap:break-word}.dialogue-bubble:before{content:"";position:absolute;left:-10px;top:18px;width:0;height:0;border-style:solid;border-width:10px 10px 10px 0;border-color:transparent var(--color-bg-white) transparent transparent}.feedback .dialogues{margin:25px 0;padding:20px;background:var(--color-bg-white);border-radius:10px}.before-text-fallback,.after-text-fallback{background:#e8eeff;padding:20px;border-radius:10px;margin:20px 0;text-align:left;border-left:5px solid var(--color-accent)}.before-text-fallback p,.after-text-fallback p{margin-bottom:10px;line-height:1.8;color:var(--color-text-main)}.before-text-fallback p:last-child,.after-text-fallback p:last-child{margin-bottom:0}.btn-next,.btn-primary{background:var(--color-accent);color:#fff;border:none;padding:14px 35px;border-radius:10px;font-size:17px;font-weight:700;cursor:pointer;transition:all .3s;box-shadow:0 4px 12px #4169e14d}.btn-next:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #4169e166}.btn-next:active,.btn-primary:active{transform:translateY(0)}.chapter-end{text-align:center;padding:50px 0}.chapter-end h2{font-size:36px;margin-bottom:25px;color:var(--color-accent)}.chapter-end p{font-size:18px;color:var(--color-text-sub);margin-bottom:30px}.loading{text-align:center;padding:60px;font-size:22px;color:#fff}.loading-bar{width:300px;height:8px;background:#ffffff4d;border-radius:4px;margin:20px auto 0;overflow:hidden}.loading-bar-fill{height:100%;background:#fff;transition:width .3s ease;border-radius:4px}.chapter-select{max-width:1200px;width:100%}.chapter-select-header{background:var(--color-bg-white);padding:40px;border-radius:15px;box-shadow:0 4px 12px #00000026;margin-bottom:30px;text-align:center}.chapter-select-header h1{font-size:2.5rem;font-weight:900;color:#1e3a8a;letter-spacing:.1em}.chapter-select-header .game-subtitle{font-size:1.4rem;color:#666;margin-bottom:1.5rem;font-weight:600;letter-spacing:.05em}.chapter-select-subtitle{margin-top:25px;margin-bottom:10px;color:var(--color-text-sub)}.opening-container{display:flex;gap:25px;align-items:center;margin:25px 0}.opening-story{flex:1;border:2px solid var(--color-accent);background:#fff;border-radius:12px;padding:30px;line-height:1.9;color:var(--color-text-main);box-shadow:0 4px 12px #4169e11a}.opening-story p{margin-bottom:15px;font-size:15px}.opening-story p:first-child{font-size:16px;font-weight:700;color:var(--color-accent)}.opening-story strong{color:var(--color-primary);font-size:16px}.story-final{font-size:17px!important;font-weight:700!important;color:var(--color-accent)!important;text-align:center;margin-top:20px!important;margin-bottom:0!important}.opening-image{flex:0 0 500px;display:flex;align-items:center;justify-content:center}.opening-image img{width:100%;height:auto;border-radius:12px;box-shadow:0 4px 12px #00000026;border:2px solid var(--color-border)}.chapter-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.chapter-card{background:var(--color-bg-white);padding:25px;border-radius:15px;box-shadow:0 4px 12px #0000001a;border:3px solid transparent;cursor:pointer;transition:all .3s;text-align:left;position:relative;overflow:hidden}.chapter-card:not(.locked):hover{border-color:var(--color-accent);transform:translateY(-5px);box-shadow:0 8px 20px #4169e14d}.chapter-card.locked{opacity:.6;cursor:not-allowed}.chapter-card.cleared{border-color:var(--color-success)}.chapter-number{font-size:14px;color:var(--color-accent);font-weight:700;margin-bottom:8px}.chapter-title{font-size:20px;font-weight:700;color:var(--color-text-main);margin-bottom:8px}.chapter-subtitle{font-size:14px;color:var(--color-text-sub);line-height:1.5}.cleared-badge{position:absolute;top:15px;right:15px;background:var(--color-success);color:#fff;padding:5px 12px;border-radius:20px;font-size:12px;font-weight:700}.locked-overlay{position:absolute;inset:0;background:#fffffff2;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px}.lock-icon{font-size:40px}.lock-text{font-size:13px;color:var(--color-text-sub);text-align:center;padding:0 20px}.btn-reset{background:var(--color-error);color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:14px;margin-top:15px;transition:background .3s}.btn-reset:hover{background:#dc2626}.btn-email-register{display:inline-block;background:var(--color-success);color:#fff;border:none;padding:14px 28px;border-radius:10px;margin-top:15px;font-size:16px;font-weight:700;cursor:pointer;transition:all .3s;box-shadow:0 4px 12px #10b9814d}.btn-email-register:hover{transform:translateY(-2px);box-shadow:0 6px 16px #10b98166}.email-registered-badge{color:var(--color-success);font-weight:700;margin-top:15px;font-size:16px}.chapter-intro{max-width:1200px;margin:0 auto}.intro-header{text-align:center;margin-bottom:40px;background:var(--color-bg-white);padding:30px;border-radius:15px;box-shadow:0 4px 12px #00000026}.intro-header h1{font-size:28px;color:var(--color-accent);margin-bottom:10px}.intro-subtitle{font-size:16px;color:var(--color-text-sub)}.intro-section{background:var(--color-bg-white);padding:30px;border-radius:15px;box-shadow:0 4px 12px #00000026;margin-bottom:25px}.intro-section h2{font-size:22px;color:var(--color-text-main);margin-bottom:20px;border-bottom:3px solid var(--color-accent);padding-bottom:10px}.intro-images-container{display:flex;gap:20px;margin-bottom:30px;margin-top:-10px}.intro-images-container .intro-image{flex:1;text-align:center;margin-bottom:0;margin-top:0}.intro-images-container .intro-image img{width:100%;max-width:550px;height:auto;border-radius:12px}.intro-actions{text-align:center;margin-top:40px}.setting-group{margin-bottom:25px}.setting-group:last-child{margin-bottom:0}.setting-group h3{font-size:16px;color:var(--color-accent);margin-bottom:10px;font-weight:700}.setting-group ul{list-style:none;padding:0;margin:0}.setting-group li{padding:8px 0 8px 20px;position:relative;color:var(--color-text-main);line-height:1.7}.setting-group li:before{content:"•";position:absolute;left:0;color:var(--color-accent);font-weight:700;font-size:18px}.btn-start-chapter{background:var(--color-accent);color:#fff;border:none;padding:18px 50px;border-radius:12px;font-size:20px;font-weight:700;cursor:pointer;transition:all .3s;box-shadow:0 6px 20px #4169e166}.btn-start-chapter:hover{transform:translateY(-3px);box-shadow:0 8px 25px #4169e180}.btn-start-chapter:active{transform:translateY(-1px)}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--color-bg-white);padding:40px;border-radius:15px;width:90%;max-width:500px;position:relative;box-shadow:0 10px 40px #0000004d;animation:slideUp .3s}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-close{position:absolute;top:15px;right:15px;background:none;border:none;font-size:30px;cursor:pointer;color:var(--color-text-light);line-height:1;transition:color .3s}.modal-close:hover{color:var(--color-text-main)}.modal-header h2{margin-bottom:10px;color:var(--color-text-main);font-size:24px}.modal-description{color:var(--color-text-sub);margin-bottom:30px;line-height:1.6}.form-group{margin-bottom:20px;text-align:left}.form-group label{display:block;margin-bottom:8px;font-weight:700;color:var(--color-text-main);font-size:14px}.form-group input{width:100%;padding:12px 15px;border:2px solid var(--color-border);border-radius:8px;font-size:16px;transition:border-color .3s;color:var(--color-text-main)}.form-group input:focus{outline:none;border-color:var(--color-accent)}.form-group input:disabled{background:#f5f5f5;cursor:not-allowed}.input-error{border-color:var(--color-error)!important}.error-message{color:var(--color-error);background:#fee2e2;padding:10px 12px;border-radius:6px;margin-top:8px;font-size:13px;line-height:1.5}.btn-submit{width:100%;background:var(--color-accent);color:#fff;border:none;padding:14px;border-radius:10px;font-size:17px;font-weight:700;cursor:pointer;transition:all .3s;box-shadow:0 4px 12px #4169e14d}.btn-submit:disabled{background:#ccc;cursor:not-allowed;box-shadow:none}.btn-submit:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 6px 16px #4169e166}.privacy-note{margin-top:20px;font-size:12px;color:var(--color-text-light);text-align:center}.confirm-modal{max-width:450px}.confirm-message{text-align:left;margin:20px 0}.confirm-message p{margin-bottom:15px;color:var(--color-text-main);line-height:1.6}.confirm-message ul{margin:15px 0;padding-left:25px}.confirm-message li{margin-bottom:8px;color:var(--color-text-sub)}.warning-text{background:#fff3cd;border-left:4px solid var(--color-warning);padding:15px;border-radius:8px;color:#856404;font-weight:700;margin-top:20px}.confirm-buttons{display:flex;gap:15px;margin-top:25px}.btn-cancel{flex:1;background:var(--color-text-sub);color:#fff;border:none;padding:12px;border-radius:8px;font-size:16px;cursor:pointer;transition:background .3s}.btn-cancel:hover{background:var(--color-text-main)}.btn-confirm-reset{flex:1;background:var(--color-error);color:#fff;border:none;padding:12px;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;transition:background .3s}.btn-confirm-reset:hover{background:#dc2626}.chapter-progress{margin-top:10px;padding:8px 12px;background:#fff3cd;border-radius:6px;font-size:13px;color:#856404;font-weight:700;text-align:center}.btn-company-info{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;font-size:1.1rem;font-weight:700;border-radius:8px;cursor:pointer;margin:1.5rem auto;display:block;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 15px #667eea66}.btn-company-info:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.btn-company-info{background:var(--color-accent);color:#fff;border:2px solid var(--color-accent);padding:1rem 2rem;font-size:1.1rem;font-weight:700;border-radius:10px;cursor:pointer;margin:1.5rem auto;display:block;transition:all .3s;box-shadow:0 4px 12px #c9a24d4d}.btn-company-info:hover{transform:translateY(-2px);box-shadow:0 6px 16px #c9a24d66;background:var(--color-primary-dark);border-color:var(--color-primary-dark)}.company-info{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.company-info-container{background:var(--color-bg-white);border-radius:15px;padding:3rem;max-width:600px;box-shadow:0 10px 40px #0003;text-align:center;border:3px solid var(--color-accent)}.company-info h1{font-size:2rem;margin-bottom:2rem;color:var(--color-accent)}.company-content h2{font-size:1.5rem;color:var(--color-text-main);margin-bottom:1rem}.company-description{font-size:1rem;line-height:1.8;color:var(--color-text-sub);margin-bottom:2rem}.btn-company-link{display:inline-block;background:var(--color-accent);color:#fff;padding:1rem 2rem;border-radius:10px;text-decoration:none;font-weight:700;margin-bottom:2rem;transition:all .3s;box-shadow:0 4px 12px #c9a24d4d}.btn-company-link:hover{transform:translateY(-2px);box-shadow:0 6px 16px #c9a24d66}.footer{text-align:center;padding:20px;margin-top:40px;color:var(--color-text-light);font-size:14px}@media(max-width:600px){body{padding:8px;font-size:15px}.app{padding:0}.header{padding:10px 12px;margin-bottom:10px}.header-compact{gap:8px}.btn-back{padding:5px 10px;font-size:12px}.chapter-name{font-size:14px}.chapter-subtitle{font-size:11px}.header-stats{gap:8px;font-size:12px}.content{padding:15px;min-height:auto;border-radius:10px}.progress{font-size:13px;margin-bottom:10px}.scene{padding:8px 12px;margin-bottom:12px;font-size:13px}.question-box{margin-bottom:15px}.question-box h3{font-size:16px;margin-bottom:15px;line-height:1.5}.question-image{margin:15px 0}.choices{gap:8px}.choice-btn{padding:12px;font-size:14px;line-height:1.4}.hint-box{padding:12px;margin-top:15px;font-size:14px}.hint-note{margin-top:8px;font-size:12px}.feedback h2{font-size:26px;margin-bottom:15px}.answer-comparison{flex-direction:column;gap:12px;margin:15px 0}.answer-box{min-width:100%;padding:12px}.answer-box h3{font-size:14px;margin-bottom:8px}.answer-box p{font-size:14px;line-height:1.5}.explanation{padding:15px;margin:15px 0}.explanation h3{margin-bottom:10px;font-size:16px}.explanation p{font-size:14px;margin-bottom:8px;line-height:1.6}.explanation-image{margin-top:12px}.dialogue-container{gap:8px;margin-bottom:12px}.speaker-icon{font-size:36px;width:45px;height:45px}.speaker-name{font-size:11px;margin-bottom:4px}.dialogue-bubble{padding:10px 12px;font-size:14px;line-height:1.5;border-radius:12px}.dialogue-bubble:before{left:-6px;top:10px;border-width:6px 6px 6px 0}.feedback .dialogues{margin:15px 0;padding:12px}.before-text-fallback,.after-text-fallback{padding:12px;margin:12px 0}.before-text-fallback p,.after-text-fallback p{margin-bottom:8px;line-height:1.6;font-size:14px}.btn-next,.btn-primary{padding:12px 25px;font-size:15px}.chapter-end{padding:30px 0}.chapter-end h2{font-size:28px;margin-bottom:15px}.chapter-end p{font-size:15px;margin-bottom:20px}.chapter-select-header{padding:20px;margin-bottom:15px;border-radius:10px}.chapter-select-header h1{font-size:1.8rem}.chapter-select-header .game-subtitle{font-size:1rem}.chapter-select-subtitle{margin-top:15px;margin-bottom:8px;font-size:14px}.opening-container{flex-direction:column;margin:15px 0;gap:15px}.opening-story{padding:15px}.opening-story p{margin-bottom:10px;font-size:13px;line-height:1.6}.opening-story p:first-child,.opening-story strong{font-size:14px}.story-final{font-size:15px!important;margin-top:12px!important}.opening-image{flex:0 0 auto;width:100%;max-width:100%}.chapter-list{grid-template-columns:1fr;gap:12px}.chapter-card{padding:15px;border-radius:10px}.chapter-number{font-size:12px;margin-bottom:5px}.chapter-title{font-size:17px;margin-bottom:5px}.chapter-subtitle{font-size:12px;line-height:1.4}.cleared-badge{top:10px;right:10px;padding:4px 8px;font-size:10px}.lock-icon{font-size:32px}.lock-text{font-size:11px;padding:0 12px}.btn-reset,.btn-email-register{padding:8px 16px;font-size:13px;margin-top:10px}.email-registered-badge{margin-top:10px;font-size:14px}.intro-header{margin-bottom:20px;padding:20px;border-radius:10px}.intro-header h1{font-size:22px;margin-bottom:8px}.intro-subtitle{font-size:13px}.intro-section{padding:15px;margin-bottom:15px;border-radius:10px}.intro-section h2{font-size:18px;margin-bottom:12px;padding-bottom:8px}.setting-group{margin-bottom:15px}.setting-group h3{font-size:14px;margin-bottom:8px}.setting-group li{padding:5px 0 5px 15px;font-size:13px;line-height:1.5}.setting-group li:before{font-size:14px}.intro-actions{margin-top:25px}.btn-start-chapter{padding:14px 35px;font-size:17px}.modal-content{padding:25px}.modal-header h2{font-size:20px;margin-bottom:8px}.modal-description{margin-bottom:20px;font-size:14px;line-height:1.5}.form-group{margin-bottom:15px}.form-group label{margin-bottom:6px;font-size:13px}.form-group input{padding:10px 12px;font-size:14px}.btn-submit{padding:12px;font-size:15px}.privacy-note{margin-top:15px;font-size:11px}.confirm-message{margin:15px 0}.confirm-message p{margin-bottom:10px;font-size:13px;line-height:1.5}.confirm-message ul{margin:10px 0;padding-left:20px}.confirm-message li{margin-bottom:6px;font-size:13px}.warning-text{padding:12px;margin-top:15px;font-size:13px}.confirm-buttons{gap:10px;margin-top:15px}.btn-cancel,.btn-confirm-reset{padding:10px;font-size:14px}.loading{padding:40px;font-size:18px}.loading-bar{width:200px;margin:15px auto 0}}@media(min-width:601px)and (max-width:900px){.speaker-icon{font-size:45px;width:55px;height:55px}.dialogue-bubble{padding:16px 20px;font-size:15px}}@media(max-width:768px){.intro-images-container{flex-direction:column;gap:15px}.intro-images-container .intro-image img{max-width:100%}.question-image img,.explanation-image img{max-width:100%;max-height:none;width:100%;height:auto}}