:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--secondary-color: #6b7280;--accent-color: #10b981;--accent-hover: #059669;--easy-color: #10b981;--moderate-color: #f59e0b;--hard-color: #ef4444;--none-color: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--bg-dark: #1f2937;--text-primary: #111827;--text-secondary: #6b7280;--text-light: #9ca3af;--text-white: #ffffff;--border-light: #e5e7eb;--border-medium: #d1d5db;--border-dark: #9ca3af;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;line-height:1.5;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed;color:var(--text-primary);min-height:100vh;margin:0;padding:0}#root{min-height:100vh;margin:0;padding:0}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25;margin-bottom:var(--spacing-md)}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}p{margin-bottom:var(--spacing-md);line-height:1.6}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.font-bold{font-weight:700}.font-semibold{font-weight:600}.font-medium{font-weight:500}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--spacing-sm)}.gap-4{gap:var(--spacing-md)}.gap-6{gap:var(--spacing-lg)}.m-0{margin:0}.m-2{margin:var(--spacing-sm)}.m-4{margin:var(--spacing-md)}.m-6{margin:var(--spacing-lg)}.p-0{padding:0}.p-2{padding:var(--spacing-sm)}.p-4{padding:var(--spacing-md)}.p-6{padding:var(--spacing-lg)}.p-8{padding:var(--spacing-xl)}.mt-2{margin-top:var(--spacing-sm)}.mt-4{margin-top:var(--spacing-md)}.mt-6{margin-top:var(--spacing-lg)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-4{margin-bottom:var(--spacing-md)}.mb-6{margin-bottom:var(--spacing-lg)}.fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.slide-in{animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}.app-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;margin:0;width:100%;box-sizing:border-box}.screen-container-universal{width:100%;max-width:900px;background-color:#fff;border-radius:20px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;animation:fadeIn .6s ease-out;margin:0 auto;overflow:hidden}@media (max-width: 768px){.app-container{padding:.5rem;min-height:100vh}.screen-container-universal{width:100%;max-width:none;margin:0 auto;border-radius:16px;min-height:auto}}@media (max-width: 480px){.app-container{padding:.25rem}.screen-container-universal{border-radius:12px;margin:0 auto}}.screen{background:transparent;border-radius:0;box-shadow:none;overflow:visible;width:100%;max-width:none;min-height:auto;animation:fadeIn .3s ease-in-out;margin:0;padding:0}.screen{min-height:100vh;display:flex;align-items:center;justify-content:center;width:100%;padding:0;margin:0;box-sizing:border-box}.screen-container{background-color:var(--bg-primary);border-radius:20px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;overflow:hidden;animation:fadeIn .6s ease-out;min-height:600px;margin:1rem;max-width:900px;width:calc(100% - 2rem)}.base-header{color:#fff;padding:2rem;text-align:center;position:relative;border-radius:20px 20px 0 0;border:none}.base-header-content{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;max-width:700px;margin:0 auto}.base-header-title{font-size:2rem;font-weight:700;margin:0;line-height:1.2}.base-header-subtitle{font-size:1rem;opacity:.9;max-width:450px;margin:0}.base-header-icon{font-size:2rem}.header-primary{background:linear-gradient(135deg,#4f46e5,#3b82f6);box-shadow:0 4px 24px #3b82f61a}.header-admin{background:linear-gradient(135deg,#7c3aed,#a855f7);box-shadow:0 4px 24px #a855f71a}.header-results{background:#ef4444;box-shadow:0 4px 24px #ef44441a}.header-training{background:#fff;color:#374151;box-shadow:0 4px 24px #3b82f61a;border-bottom:1px solid #e5e7eb}.screen-header{@extend .base-header;@extend .header-primary;}.screen-header-content{@extend .base-header-content;}.screen-icon{@extend .base-header-icon;}.screen-title{@extend .base-header-title;font-size:2.5rem}.screen-subtitle{@extend .base-header-subtitle;font-size:1.25rem;max-width:600px}.screen-content{background:#fff;padding:1rem}.end-session-btn{padding:.75rem 1.5rem;background:#ef4444;color:#fff;border:none;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;margin-top:1rem}.end-session-btn:hover{background:#dc2626;transform:translateY(-1px)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:500;text-decoration:none;cursor:pointer;transition:all var(--transition-fast);min-height:2.5rem;gap:var(--spacing-sm)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:var(--text-white)}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-medium)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-tertiary);border-color:var(--border-dark)}.btn-success{background-color:var(--accent-color);color:var(--text-white)}.btn-success:hover:not(:disabled){background-color:var(--accent-hover)}.btn-danger{background-color:var(--hard-color);color:var(--text-white)}.btn-danger:hover:not(:disabled){background-color:#dc2626}.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem;min-height:3rem}.btn-small{padding:var(--spacing-xs) var(--spacing-sm);font-size:.875rem;min-height:2rem}.card{background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-xl);border:1px solid var(--border-light);transition:box-shadow var(--transition-normal)}.card:hover{box-shadow:var(--shadow-lg)}.card-header{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-light)}.card-title{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.card-subtitle{color:var(--text-secondary);font-size:.875rem}.card-body{margin-bottom:var(--spacing-lg)}.card-footer{margin-top:var(--spacing-lg);padding-top:var(--spacing-md);border-top:1px solid var(--border-light)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;font-weight:500;color:var(--text-primary);margin-bottom:var(--spacing-sm);font-size:.875rem}.form-input,.form-select{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-medium);border-radius:var(--radius-md);font-size:1rem;background-color:var(--bg-primary);color:var(--text-primary);transition:border-color var(--transition-fast)}.form-input:focus,.form-select:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #4f46e51a}.form-input:disabled,.form-select:disabled{background-color:var(--bg-tertiary);color:var(--text-light);cursor:not-allowed}.progress-bar{width:100%;height:.5rem;background-color:var(--bg-tertiary);border-radius:var(--radius-sm);overflow:hidden}.progress-fill{height:100%;background-color:var(--primary-color);transition:width var(--transition-normal);border-radius:var(--radius-sm)}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.025em}.badge-easy{background-color:#10b9811a;color:var(--easy-color)}.badge-moderate{background-color:#f59e0b1a;color:var(--moderate-color)}.badge-hard{background-color:#ef44441a;color:var(--hard-color)}.badge-none{background-color:#6b72801a;color:var(--none-color)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:var(--spacing-md);margin:var(--spacing-lg) 0}.stat-item{text-align:center;padding:var(--spacing-md);background-color:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-light)}.stat-value{font-size:1.5rem;font-weight:700;color:var(--text-primary);display:block}.stat-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.025em;margin-top:var(--spacing-xs)}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);border:1px solid transparent}.alert-success{background-color:#10b9811a;border-color:var(--easy-color);color:var(--easy-color)}.alert-warning{background-color:#f59e0b1a;border-color:var(--moderate-color);color:var(--moderate-color)}.alert-error{background-color:#ef44441a;border-color:var(--hard-color);color:var(--hard-color)}.alert-info{background-color:#4f46e51a;border-color:var(--primary-color);color:var(--primary-color)}@media (max-width: 768px){.screen{align-items:flex-start;padding:.5rem;min-height:100vh}.screen-container{max-width:none;margin:0;width:100%;height:auto;overflow:visible;border-radius:20px;min-height:auto}.base-header{padding:2.5rem 1.5rem;border-radius:20px 20px 0 0}.header-primary{box-shadow:0 2px 12px #3b82f614}.header-admin{box-shadow:0 2px 12px #a855f714}.header-results{box-shadow:0 2px 12px #ef444414}.header-training{box-shadow:0 2px 12px #3b82f614}.base-header-title{font-size:2rem}.base-header-subtitle{font-size:1rem}.screen-content{padding:2.5rem 1.5rem;border-radius:0 0 20px 20px}.training-progress{flex-direction:column;align-items:stretch;gap:.5rem}.progress-bar-container{min-width:auto}.end-session-btn{width:100%;margin-top:.75rem}}@media (max-width: 480px){.screen-container{border-radius:16px;margin:0;width:100%}.base-header{padding:2rem 1rem;border-radius:16px 16px 0 0}.header-primary{box-shadow:0 1px 8px #3b82f60f}.header-admin{box-shadow:0 1px 8px #a855f70f}.header-results{box-shadow:0 1px 8px #ef44440f}.header-training{box-shadow:0 1px 8px #3b82f60f}.base-header-title{font-size:1.75rem}.base-header-subtitle{font-size:.9rem}.screen-content{padding:2rem 1rem;border-radius:0 0 16px 16px}.end-session-btn{padding:.5rem 1rem;font-size:.7rem}}.screen-container-inner{max-width:900px;width:100%;margin:0 auto}.screen-content-default{background:#fff;padding:3rem}.tanuki-container{display:inline-block;position:relative;z-index:10;transition:opacity .3s ease}.speech-bubble{transform:rotate(-10deg);position:absolute;top:0;left:100%;background:#fff;border:3px solid #fff;border-radius:20px;padding:8px 16px;box-shadow:0 4px 12px #00000026;z-index:20;min-width:80px;text-align:center;animation:speech-bubble-appear .6s ease-out}.speech-bubble-content{font-family:Hiragino Sans,Yu Gothic,Meiryo,sans-serif;font-size:16px;font-weight:600;color:#333;white-space:nowrap;line-height:1.2}.speech-bubble-tail{position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-right:15px solid white}.speech-bubble-tail:before{content:"";position:absolute;left:-3px;top:-13px;width:0;height:0;border-top:13px solid transparent;border-bottom:13px solid transparent;border-right:18px solid #ffffff}.tanuki-svg{filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.tanuki-container.happy{animation:tanuki-bounce 2s ease-in-out infinite}.tanuki-container.jumping{animation:tanuki-jump 1s ease-out}.tanuki-container.crying{animation:tanuki-sad-sway 2s ease-in-out infinite}.happy .tanuki-hand-waving{animation:tanuki-wave 1.5s ease-in-out infinite;transform-origin:85px 70px}.jumping .tanuki-hand-waving{animation:tanuki-wave-excited .5s ease-in-out infinite;transform-origin:85px 70px}.crying .tanuki-hand-waving{animation:none}.tanuki-tail,.tanuki-tail-stripes{animation:tanuki-tail-wag 2.5s ease-in-out infinite;transform-origin:40px 85px}.crying .tanuki-tail,.crying .tanuki-tail-stripes{animation:tanuki-tail-droop 2s ease-in-out infinite;transform-origin:40px 85px}.tanuki-ear-left,.tanuki-ear-inner-left{animation:tanuki-ear-twitch-left 3s ease-in-out infinite;transform-origin:45px 40px}.tanuki-ear-right,.tanuki-ear-inner-right{animation:tanuki-ear-twitch-right 3.2s ease-in-out infinite;transform-origin:75px 40px}.crying .tanuki-ear-left,.crying .tanuki-ear-inner-left,.crying .tanuki-ear-right,.crying .tanuki-ear-inner-right{animation:none;transform:rotate(-10deg)}.tanuki-sparkle-left,.tanuki-sparkle-right{animation:tanuki-sparkle 2s ease-in-out infinite}.jumping .tanuki-sparkle-left,.jumping .tanuki-sparkle-right{animation:tanuki-sparkle-excited .3s ease-in-out infinite}.tanuki-tear-left,.tanuki-tear-right{animation:tanuki-tears 1.5s ease-in-out infinite}.tanuki-container:hover .tanuki-hand-waving{animation-duration:.5s}.tanuki-container:hover .tanuki-cheek-left,.tanuki-container:hover .tanuki-cheek-right{opacity:1;animation:tanuki-blush .5s ease-in-out}@keyframes speech-bubble-appear{0%{opacity:0;transform:scale(.8) translateY(10px) rotate(-10deg)}to{opacity:1;transform:scale(1) translateY(0) rotate(-10deg)}}@keyframes tanuki-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes tanuki-jump{0%{transform:translateY(0) scale(1)}30%{transform:translateY(-20px) scale(1.1)}60%{transform:translateY(-10px) scale(1.05)}to{transform:translateY(0) scale(1)}}@keyframes tanuki-sad-sway{0%,to{transform:translate(0) rotate(0)}50%{transform:translate(-2px) rotate(-1deg)}}@keyframes tanuki-wave{0%,to{transform:rotate(0)}25%{transform:rotate(15deg)}75%{transform:rotate(-15deg)}}@keyframes tanuki-wave-excited{0%,to{transform:rotate(0)}50%{transform:rotate(25deg)}}@keyframes tanuki-tail-wag{0%,to{transform:rotate(0)}50%{transform:rotate(10deg)}}@keyframes tanuki-tail-droop{0%,to{transform:rotate(-5deg)}50%{transform:rotate(-10deg)}}@keyframes tanuki-ear-twitch-left{0%,90%,to{transform:rotate(0)}95%{transform:rotate(-5deg)}}@keyframes tanuki-ear-twitch-right{0%,85%,to{transform:rotate(0)}90%{transform:rotate(5deg)}}@keyframes tanuki-sparkle{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}@keyframes tanuki-sparkle-excited{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.5)}}@keyframes tanuki-tears{0%{opacity:0;transform:translateY(-5px)}50%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(5px)}}@keyframes tanuki-blush{0%{opacity:.7}50%{opacity:1}to{opacity:.7}}@media (max-width: 768px){.speech-bubble{top:-15px;left:90%;margin-left:5px;padding:6px 12px;border-radius:15px;min-width:70px}.speech-bubble-content{font-size:14px}.speech-bubble-tail{left:-10px;border-right-width:12px}.speech-bubble-tail:before{left:-2px;top:-11px;border-right-width:15px}}@media (max-width: 480px){.speech-bubble{top:-10px;left:85%;padding:4px 10px;border-radius:12px;min-width:60px}.speech-bubble-content{font-size:12px}.speech-bubble-tail{left:-8px;border-top-width:8px;border-bottom-width:8px;border-right-width:10px}.speech-bubble-tail:before{left:-2px;top:-10px;border-top-width:10px;border-bottom-width:10px;border-right-width:12px}}.home-screen{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:0;width:100%;box-sizing:border-box}.home-container{width:100%;max-width:700px;background-color:var(--bg-primary);border-radius:20px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;overflow:hidden;animation:fadeIn .6s ease-out;margin:1rem}.config-section{padding:2rem}.config-group{margin-bottom:1.75rem}.config-label{display:block;font-weight:600;font-size:1rem;margin-bottom:.625rem;color:var(--text-primary)}.button-group{display:flex;gap:.625rem;flex-wrap:wrap}.config-btn{flex:1;min-width:110px;padding:.75rem 1rem;border:2px solid #e2e8f0;background:var(--bg-primary);color:var(--text-primary);border-radius:8px;cursor:pointer;transition:all .2s ease;font-weight:500;text-align:center;font-size:.85rem;position:relative}.config-btn:hover{border-color:var(--primary-color);transform:translateY(-1px);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.config-btn.individual-level.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.config-btn.all-levels{border-color:#ff69b4}.config-btn.all-levels:hover{border-color:#ff1493}.config-btn.all-levels.active{background:linear-gradient(135deg,#ff69b4,#ff1493);color:#fff;border-color:#ff69b4;box-shadow:0 2px 4px #ff14934d,0 1px 2px #0000000f}.config-btn.disabled{opacity:.4;cursor:not-allowed;background:#f3f4f6;color:#9ca3af;border-color:#e5e7eb}.config-btn.disabled:hover{border-color:#e5e7eb;transform:none;box-shadow:none}.config-btn .word-count{font-size:.75rem;opacity:.8;margin-left:.25rem}.config-btn.active:not(.all-levels):not(.individual-level){background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.start-training-btn{width:100%;padding:1rem 1.5rem;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:1rem}.start-training-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.start-training-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.utility-buttons{margin-top:1rem;display:flex;justify-content:center}.reset-btn{display:inline-flex;align-items:center;padding:.75rem 1rem;background:#f59e0b;color:#fff;border:none;border-radius:6px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease}.reset-btn:hover:not(:disabled){background:#d97706;transform:translateY(-1px);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.reset-btn:disabled{opacity:.6;cursor:not-allowed}.button-spinner{vertical-align:middle;width:1rem;height:1rem;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite;margin-right:.5rem;display:inline-block}@media (max-width: 768px){.button-spinner{width:.875rem;height:.875rem;border-width:1.5px;margin-right:.375rem}}.stats-section{padding:2rem;background:#f8fafc;border-top:1px solid #e2e8f0}.stats-section.no-top-border{border-top:none}.stats-title{text-align:center;margin-bottom:1.5rem;color:var(--text-primary);font-size:1.25rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:1rem}.stat-item{text-align:center;padding:1rem;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.stat-item-featured{background:linear-gradient(135deg,var(--primary-color),#3b82f6);color:#fff;transform:scale(1.02)}.stat-item-featured .stat-number{color:#fff}.stat-item-featured 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