.app-container{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background-color:#f8f9fa;position:relative;box-shadow:0 0 20px #0000000d;padding-bottom:calc(64px + env(safe-area-inset-bottom))}.app-header{position:sticky;top:0;z-index:100;background-color:#fff;border-bottom:1px solid #e8eaed;padding:12px 16px;box-shadow:0 2px 6px #00000008}.header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.app-title-group{display:flex;align-items:center;gap:8px}.app-logo{font-size:1.4rem;line-height:1}.app-title{font-size:1.15rem;font-weight:700;color:#1a73e8;letter-spacing:-.3px}.streak-badge{display:inline-flex;align-items:center;gap:4px;background:#fef7e0;color:#b06000;font-size:.82rem;font-weight:600;padding:4px 10px;border-radius:12px;border:1px solid #feefc3}.header-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px}.day-info{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.day-badge{background:#e8f0fe;color:#1a73e8;font-size:.8rem;font-weight:700;padding:3px 8px;border-radius:6px;white-space:nowrap}.theme-name{font-size:.95rem;font-weight:600;color:#202124;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.day-select-dropdown{background:#f1f3f4;border:1px solid #dadce0;border-radius:8px;padding:6px 10px;font-size:.85rem;font-weight:500;color:#3c4043;outline:none;cursor:pointer;transition:border-color .2s}.day-select-dropdown:focus{border-color:#1a73e8}.tab-content{flex:1;padding:16px;animation:fadeIn .2s cubic-bezier(.16,1,.3,1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.notice-banner{background-color:#e8f0fe;border-left:4px solid #1a73e8;color:#1967d2;font-size:.82rem;line-height:1.4;padding:10px 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.15s}.recall-submit-btn:disabled{opacity:.5;cursor:not-allowed}.recall-feedback-box{padding:12px;border-radius:12px;font-size:.95rem;line-height:1.4;margin-top:4px}.recall-feedback-box.correct{background:#e6f4ea;color:#137333;border:1px solid #ceead6}.recall-feedback-box.wrong{background:#fce8e6;color:#c5221f;border:1px solid #fad2cf}.quiz-next-btn{width:100%;min-height:48px;border-radius:24px;background:#1a73e8;color:#fff;font-size:1rem;font-weight:600;box-shadow:0 4px 12px #1a73e840;transition:all .15s}.quiz-next-btn:active{transform:scale(.98)}.quiz-score-card{background:#fff;border-radius:16px;padding:28px 20px;text-align:center;box-shadow:0 4px 16px #0000000f;border:1px solid rgba(0,0,0,.05)}.score-emoji{font-size:3rem;margin-bottom:12px}.score-title{font-size:1.35rem;font-weight:700;color:#202124;margin-bottom:8px}.score-number{font-size:2.2rem;font-weight:800;color:#1a73e8;margin-bottom:16px}.score-summary-desc{font-size:.95rem;color:#5f6368;margin-bottom:24px}.score-action-group{display:flex;flex-direction:column;gap:10px}.btn-secondary{min-height:46px;border-radius:23px;background:#f1f3f4;color:#3c4043;font-size:.95rem;font-weight:600;transition:all .15s}.btn-secondary:hover{background:#e8eaed}.speaking-sentence-picker{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.speaking-target-card{background:#fff;border-radius:16px;padding:22px 20px;box-shadow:0 2px 10px #0000000d;border:1px solid rgba(0,0,0,.05);margin-bottom:20px;text-align:center}.speaking-jp{font-size:1.5rem;font-weight:600;color:#202124;line-height:1.4;margin-bottom:8px}.speaking-romaji{font-size:.85rem;color:#80868b;font-style:italic;margin-bottom:8px}.speaking-zh{font-size:1rem;color:#5f6368;margin-bottom:16px}.listen-sample-btn{display:inline-flex;align-items:center;gap:6px;background:#e8f0fe;color:#1a73e8;font-size:.88rem;font-weight:600;padding:8px 16px;border-radius:20px;transition:all .15s}.listen-sample-btn:active{transform:scale(.96)}.mic-control-area{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;margin-bottom:20px}.mic-btn{width:80px;height:80px;border-radius:50%;background:#1a73e8;color:#fff;font-size:2.2rem;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px #1a73e859;transition:all .2s ease;cursor:pointer;border:none}.mic-btn:hover{transform:scale(1.04)}.mic-btn.active{background:#ea4335;box-shadow:0 0 #ea4335b3;animation:micPulse 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14px;margin-bottom:10px}.speech-transcript-label{font-size:.75rem;font-weight:700;color:#80868b;margin-bottom:4px}.speech-transcript-text{font-size:1.05rem;color:#202124;font-weight:500}.progress-grid{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}.stats-card{background:#fff;border-radius:16px;padding:18px;box-shadow:0 2px 8px #0000000a;border:1px solid rgba(0,0,0,.05)}.stats-card-title{font-size:.85rem;font-weight:700;color:#80868b;text-transform:uppercase;margin-bottom:8px}.stats-hero-number{font-size:2rem;font-weight:800;color:#1a73e8;display:flex;align-items:baseline;gap:6px}.stats-hero-number .unit{font-size:1rem;font-weight:500;color:#5f6368}.progress-bar-bg{width:100%;height:8px;background:#f1f3f4;border-radius:4px;overflow:hidden;margin-top:10px}.progress-bar-fill{height:100%;background:linear-gradient(90deg,#1a73e8,#34a853);border-radius:4px;transition:width .4s ease}.calendar-grid-title{font-size:.95rem;font-weight:700;color:#202124;margin-bottom:10px}.days-schedule-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.day-schedule-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-radius:12px;border:1px solid #dadce0;cursor:pointer;transition:all .15s ease}.day-schedule-item:hover{border-color:#1a73e8;background:#f8faff}.day-schedule-item.active{border-color:#1a73e8;box-shadow:0 0 0 2px #1a73e833}.day-schedule-left{display:flex;align-items:center;gap:12px}.day-circle{width:34px;height:34px;border-radius:50%;background:#f1f3f4;color:#3c4043;font-size:.85rem;font-weight:700;display:flex;align-items:center;justify-content:center}.day-schedule-item.completed .day-circle{background:#e6f4ea;color:#137333}.day-theme-title{font-size:.92rem;font-weight:600;color:#202124}.day-status-icon{font-size:1.1rem}.comprehensive-review-btn{width:100%;min-height:48px;border-radius:24px;background:#fbbc04;color:#202124;font-size:1rem;font-weight:700;box-shadow:0 4px 12px #fbbc044d;transition:all .15s ease;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:12px}.comprehensive-review-btn:active{transform:scale(.98)}.review-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;z-index:2000;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s ease}.review-modal-sheet{background:#fff;width:100%;max-width:480px;max-height:90vh;border-top-left-radius:24px;border-top-right-radius:24px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 -8px 24px #00000026}.review-modal-header{padding:16px 20px;border-bottom:1px solid #e8eaed;display:flex;align-items:center;justify-content:space-between}.review-modal-title{font-size:1.1rem;font-weight:700;color:#202124}.review-modal-close-btn{background:#f1f3f4;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:#5f6368}.review-modal-body{padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background-color:#fff;border-top:1px solid #e8eaed;display:flex;z-index:1000;box-shadow:0 -2px 8px #0000000a}.bottom-nav-inner{max-width:480px;width:100%;margin:0 auto;display:flex;height:60px}.nav-item-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:transparent;color:#5f6368;font-size:.75rem;font-weight:500;gap:3px;transition:all .15s ease;min-height:44px}.nav-item-icon{font-size:1.25rem;line-height:1;transition:transform .15s}.nav-item-btn.active{color:#1a73e8;font-weight:700}.nav-item-btn.active .nav-item-icon{transform:scale(1.15)}.vocab-category-bar{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 12px;margin-bottom:12px;-webkit-overflow-scrolling:touch}.vocab-category-bar::-webkit-scrollbar{display:none}.vocab-filter-pill{flex-shrink:0;padding:6px 14px;border-radius:20px;border:1px solid #dadce0;background-color:#fff;color:#5f6368;font-size:.82rem;font-weight:500;cursor:pointer;transition:all .2s ease}.vocab-filter-pill.active{background-color:#1a73e8;color:#fff;border-color:#1a73e8;box-shadow:0 2px 6px #1a73e84d}.vocab-list-container{display:flex;flex-direction:column;gap:10px}.vocab-card{display:flex;align-items:center;justify-content:space-between;background-color:#fff;border-radius:12px;padding:12px 16px;box-shadow:0 1px 3px #0000000d;border:1px solid #edf0f2}.vocab-left{flex:1}.vocab-japanese{font-size:1.15rem;font-weight:600;color:#202124}.vocab-romaji{font-size:.8rem;color:#80868b;font-style:italic;margin-top:2px}.vocab-translation{font-size:.9rem;color:#3c4043;margin-top:4px}.vocab-right{margin-left:12px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#f8f9fa;color:#202124;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;min-height:100vh}button{user-select:none;-webkit-user-select:none;font-family:inherit;cursor:pointer;border:none;outline:none}input,select,textarea{font-family:inherit;font-size:1rem}