@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;700&display=swap";.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f5f5f5;padding:20px}.login-card{background:#fff;border-radius:8px;box-shadow:0 4px 6px #0000001a;padding:40px;max-width:400px;width:100%;text-align:center}.login-card h2{margin-bottom:16px;color:#333;font-size:24px}.login-description{color:#666;margin-bottom:24px;line-height:1.5}.login-form{text-align:left;margin-bottom:24px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:#333;font-weight:500}.form-group input{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:4px;font-size:16px;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#0078d4;box-shadow:0 0 0 3px #0078d41a}.form-group input:disabled{background-color:#f3f4f6;cursor:not-allowed}.login-button{background-color:#0078d4;color:#fff;border:none;border-radius:4px;padding:12px 24px;font-size:16px;cursor:pointer;width:100%;margin-bottom:16px;transition:background-color .2s}.login-button:hover:not(:disabled){background-color:#106ebe}.login-button:disabled{background-color:#ccc;cursor:not-allowed}.error-message{background-color:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px;border-radius:4px;margin-bottom:16px}.success-message{background-color:#f0f9ff;border:1px solid #bae6fd;color:#0369a1;padding:12px;border-radius:4px;margin-top:16px}.user-info{text-align:left;background-color:#f9fafb;padding:16px;border-radius:4px;margin:16px 0}.user-info p{margin:8px 0;color:#374151}.login-info{margin-top:24px;padding-top:16px;border-top:1px solid #e5e7eb}.login-info p{color:#666;font-size:14px;margin:0}.login-hint{margin-top:12px;text-align:center}.login-hint p{color:#666;font-size:12px;margin:0}.header{background-color:#fff;border-bottom:1px solid #e4e6eb;position:sticky;top:0;z-index:100}.header-container{max-width:1280px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.header-brand{background:none;border:none;cursor:pointer;padding:0}.brand-text{font-size:18px;font-weight:700;color:#222}.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}.hamburger{display:flex;flex-direction:column;gap:4px;width:24px}.hamburger span{display:block;height:2px;background-color:#222;transition:all .2s}.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.header-nav{display:flex;align-items:center;gap:16px}.nav-link{background:none;border:none;padding:8px 16px;cursor:pointer;font-size:15px;color:#444;border-radius:6px;transition:all .15s}.nav-link:hover{background-color:#fafbfc}.nav-link.active{color:#222;background-color:#fafbfc}.nav-link.primary{background-color:#38c6d9;color:#fff}.nav-link.primary:hover{background-color:#2eb3c5}.user-menu{position:relative}.user-button{display:flex;align-items:center;gap:8px;background:none;border:none;cursor:pointer;padding:4px 12px;border-radius:6px;transition:background-color .15s;min-height:44px}.user-button:hover{background-color:#fafbfc}.user-avatar{width:32px;height:32px;border-radius:50%;background-color:#38c6d9;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;overflow:hidden}.user-avatar-img{width:100%;height:100%;object-fit:cover}.user-name{font-size:15px;color:#222;line-height:32px;display:flex;align-items:center}.dropdown-arrow{font-size:13px;color:#444;transition:transform .15s;line-height:32px;display:flex;align-items:center}.dropdown-arrow.open{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid #e4e6eb;border-radius:6px;box-shadow:0 4px 12px #0000001a;min-width:200px;padding:8px 0}.dropdown-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;border:none;background:none;cursor:pointer;font-size:15px;color:#444;text-align:left;transition:background-color .15s}.dropdown-item:hover{background-color:#fafbfc}.dropdown-icon{font-size:15px}.dropdown-divider{height:1px;background-color:#e4e6eb;margin:8px 0}@media(max-width:768px){.header-container{padding:16px}.mobile-menu-toggle{display:block}.header-nav{position:fixed;top:65px;left:0;right:0;background-color:#fff;border-bottom:1px solid #e4e6eb;flex-direction:column;align-items:stretch;padding:16px;gap:8px;transform:translateY(-100%);opacity:0;pointer-events:none;transition:all .2s}.header-nav.mobile-open{transform:translateY(0);opacity:1;pointer-events:auto}.nav-link{width:100%;text-align:left}.user-menu{width:100%}.user-button{width:100%;justify-content:flex-start}.dropdown-menu{position:static;box-shadow:none;border:none;margin-top:8px}}@media(max-width:375px){.brand-text{font-size:15px}.user-name{display:none}}._backdrop_luvl2_1{position:fixed;inset:0;background-color:#00000059;display:flex;align-items:center;justify-content:center;z-index:1000}._dialog_luvl2_11{width:100%;max-width:360px;background-color:#fff;border-radius:8px;box-shadow:0 16px 32px #0000001f;padding:1.75rem;font-family:Noto Sans JP,sans-serif}._title_luvl2_21{font-size:18px;font-weight:700;color:#222;margin-bottom:1rem}._message_luvl2_28{font-size:15px;color:#444;margin-bottom:1.5rem}._actions_luvl2_34{display:flex;justify-content:flex-end;gap:.75rem}._buttonBase_luvl2_40{padding:.75rem 1.5rem;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif;font-weight:700;cursor:pointer;border:none}._cancel_luvl2_50{background-color:#dde3ea;color:#444}._confirm_luvl2_55{background-color:#38c6d9;color:#fff}._disabled_luvl2_60{background-color:#dde3ea;color:#888;cursor:not-allowed}._container_w7hx4_1{padding:2rem;max-width:1200px;margin:0 auto}._headerSection_w7hx4_7{margin-bottom:1.5rem}._heading_w7hx4_11{color:#222;font-size:18px;font-weight:700;margin:0 0 4px}._subtitle_w7hx4_18{font-size:13px;color:#888;margin:0}._searchWrapper_w7hx4_24{margin-bottom:1rem}._searchInput_w7hx4_28{width:100%;padding:.75rem;border:1px solid #e4e6eb;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif;background-color:#fff;box-sizing:border-box}._searchInput_w7hx4_28:focus{outline:none;border-color:#38c6d9}._filterRow_w7hx4_44{display:flex;gap:8px;margin-bottom:1.5rem;align-items:center;flex-wrap:wrap}._filterSelect_w7hx4_52{padding:.5rem .75rem;border:1px solid #e4e6eb;border-radius:6px;font-size:13px;font-family:Noto Sans JP,sans-serif;background-color:#fff;color:#444;cursor:pointer}._filterSelect_w7hx4_52:focus{outline:none;border-color:#38c6d9}._clearFilters_w7hx4_68{padding:.5rem .75rem;border:none;border-radius:6px;font-size:13px;font-family:Noto Sans JP,sans-serif;background:none;color:#38c6d9;cursor:pointer}._clearFilters_w7hx4_68:hover{text-decoration:underline}._resultCount_w7hx4_83{font-size:13px;color:#888;margin-bottom:12px}._loading_w7hx4_89{padding:3rem;text-align:center;color:#888;font-size:15px}._errorBanner_w7hx4_96{padding:1rem;margin-bottom:1rem;background-color:#ffe5e5;border:1px solid #e4e6eb;border-radius:6px;color:#ff5252;font-size:13px}._deckGrid_w7hx4_106{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}._emptyState_w7hx4_112{grid-column:1 / -1;padding:3rem;text-align:center;color:#888;font-size:15px;border:1px solid #e4e6eb;border-radius:6px;background-color:#fafbfc}@media(max-width:768px){._deckGrid_w7hx4_106{grid-template-columns:1fr}}._backdrop_y0tpr_1{position:fixed;inset:0;background-color:#00000059;display:flex;align-items:center;justify-content:center;z-index:1000}._modal_y0tpr_11{width:100%;max-width:420px;background-color:#fff;border-radius:8px;box-shadow:0 16px 32px #0000001f;padding:2rem;font-family:Noto Sans JP,sans-serif}._title_y0tpr_21{font-size:18px;font-weight:700;color:#222;margin-bottom:1rem}._grid_y0tpr_28{display:grid;gap:1rem}._label_y0tpr_33{display:block;font-size:15px;color:#222;margin-bottom:.5rem}._input_y0tpr_40{width:100%;padding:.75rem;border:1px solid #e4e6eb;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif}._error_y0tpr_49{font-size:13px;color:#ff5252;margin-top:.5rem}._actions_y0tpr_55{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem}._button_y0tpr_62{padding:.75rem 1.5rem;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif;font-weight:700;cursor:pointer;border:none}._cancel_y0tpr_72{background-color:#dde3ea;color:#444}._confirm_y0tpr_77{background-color:#38c6d9;color:#fff}._disabled_y0tpr_82{background-color:#dde3ea;color:#888;cursor:not-allowed}._container_2dosh_1{padding:2rem;max-width:800px;margin:0 auto}._backButton_2dosh_7{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 0;background:none;border:none;cursor:pointer;font-size:15px;font-family:Noto Sans JP,sans-serif;color:#444;margin-bottom:1.5rem}._backButton_2dosh_7:hover{color:#222}._card_2dosh_25{background-color:#fff;border:1px solid #e4e6eb;border-radius:6px;padding:2rem}._title_2dosh_32{font-size:18px;font-weight:700;color:#222;margin-bottom:.5rem}._titleRow_2dosh_39{display:flex;align-items:center;gap:16px;margin-bottom:8px}._description_2dosh_46{font-size:15px;color:#444;margin-bottom:1.5rem;line-height:1.5}._metaGrid_2dosh_53{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2rem}._metaItem_2dosh_60{padding:.75rem 1rem;background-color:#fafbfc;border:1px solid #e4e6eb;border-radius:6px}._metaLabel_2dosh_67{font-size:13px;color:#888;margin-bottom:.25rem}._metaValue_2dosh_73{font-size:15px;color:#222;font-weight:700}._examSection_2dosh_79{margin-bottom:2rem}._examTags_2dosh_83{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}._examTag_2dosh_83{display:inline-flex;align-items:center;padding:6px 12px;border-radius:6px;font-size:13px;color:#1a8a96;background:#38c6d914;border:1px solid rgba(56,198,217,.2)}._actions_2dosh_101{display:flex;gap:.75rem;align-items:center}._primaryButton_2dosh_107{padding:.75rem 1.5rem;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif;font-weight:700;border:none;cursor:pointer;background-color:#38c6d9;color:#fff;transition:background-color .15s}._primaryButton_2dosh_107:hover{background-color:#2eb3c5}._primaryButton_2dosh_107:disabled{background-color:#dde3ea;color:#888;cursor:not-allowed}._secondaryButton_2dosh_130{padding:.75rem 1.5rem;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif;font-weight:700;border:1px solid #e4e6eb;cursor:pointer;background-color:#fff;color:#444;transition:background-color .15s}._secondaryButton_2dosh_130:hover{background-color:#fafbfc}._templateDropdown_2dosh_147{display:flex;flex-direction:column;border:1px solid #e4e6eb;border-radius:6px;overflow:hidden}._templateItem_2dosh_155{padding:.625rem 1rem;background:none;border:none;border-bottom:1px solid #e4e6eb;text-align:left;font-size:15px;color:#444;cursor:pointer;font-family:Noto Sans JP,sans-serif;transition:background-color .15s}._templateItem_2dosh_155:last-child{border-bottom:none}._templateItem_2dosh_155:hover{background-color:#fafbfc;color:#222}._statusBadge_2dosh_177{display:inline-block;padding:.25rem .75rem;border-radius:6px;font-size:13px;font-weight:700;margin-bottom:1.5rem}._statusLearning_2dosh_186{background-color:#e8f5e8;color:#22c55e}._statusProcessing_2dosh_191{background-color:#fff3cd;color:#d97706}._statusFailed_2dosh_196{background-color:#ffe5e5;color:#ff5252}._loading_2dosh_201{padding:3rem;text-align:center;color:#888;font-size:15px}._errorBanner_2dosh_208{padding:1rem;margin-bottom:1rem;background-color:#ffe5e5;border:1px solid #e4e6eb;border-radius:6px;color:#ff5252;font-size:13px}._processingContainer_2dosh_218{margin-bottom:1.5rem}._processingText_2dosh_222{font-size:13px;color:#444;margin-bottom:.5rem}._progressBarContainer_2dosh_228{width:200px;height:4px;background-color:#e4e6eb;border-radius:2px;overflow:hidden}._progressBar_2dosh_228{height:100%;width:30%;background-color:#38c6d9;border-radius:2px;animation:_progressAnimation_2dosh_1 1.5s ease-in-out infinite}@keyframes _progressAnimation_2dosh_1{0%{transform:translate(-100%);width:30%}50%{transform:translate(100%);width:50%}to{transform:translate(300%);width:30%}}._sampleCards_2dosh_261{margin-top:2rem}._sampleCardsTitle_2dosh_265{font-size:18px;font-weight:700;color:#222;margin:0 0 1rem;display:flex;align-items:baseline;gap:.75rem}._sampleCardsCount_2dosh_275{font-size:13px;font-weight:400;color:#888}._sampleCardsList_2dosh_281{border:1px solid #e4e6eb;border-radius:6px;overflow:hidden}._sampleCardRow_2dosh_287{display:grid;grid-template-columns:1fr auto 1fr;align-items:stretch;border-bottom:1px solid #e4e6eb}._sampleCardRow_2dosh_287:last-child{border-bottom:none}._sampleCardFront_2dosh_298{padding:.75rem 1rem;font-size:15px;color:#222;overflow:hidden;line-height:1.5}._sampleCardDivider_2dosh_306{width:1px;background-color:#e4e6eb}._sampleCardBack_2dosh_311{padding:.75rem 1rem;font-size:15px;color:#444;overflow:hidden;line-height:1.5;background-color:#fafbfc}._sampleCardFront_2dosh_298 img,._sampleCardBack_2dosh_311 img{max-width:100%;max-height:60px;width:auto;height:auto;display:inline-block;vertical-align:middle;border-radius:4px;object-fit:contain}._sampleCardFront_2dosh_298 audio,._sampleCardBack_2dosh_311 audio{display:none}._backdrop_1w2dd_1{position:fixed;inset:0;background-color:#00000059;display:flex;align-items:center;justify-content:center;z-index:1000}._modal_1w2dd_11{width:100%;max-width:460px;background-color:#fff;border-radius:8px;box-shadow:0 16px 32px #0000001f;padding:2rem;font-family:Noto Sans JP,sans-serif}._title_1w2dd_21{font-size:18px;font-weight:700;color:#222;margin-bottom:1.5rem}._modeList_1w2dd_28{display:grid;gap:.75rem;margin-bottom:1.5rem}._modeOption_1w2dd_34{display:flex;align-items:flex-start;gap:.75rem;padding:1rem;border:1px solid #e4e6eb;border-radius:6px;cursor:pointer;background:#fafbfc;transition:border-color .15s,background-color .15s}._modeOption_1w2dd_34:hover,._modeOptionSelected_1w2dd_51{border-color:#38c6d9;background-color:#f0fbfc}._radioCircle_1w2dd_56{width:18px;height:18px;border-radius:50%;border:2px solid #dde3ea;flex-shrink:0;margin-top:2px;transition:border-color .15s}._radioCircleSelected_1w2dd_66{border-color:#38c6d9;background-color:#38c6d9;box-shadow:inset 0 0 0 3px #fff}._modeLabel_1w2dd_72{font-size:15px;font-weight:700;color:#222}._modeDescription_1w2dd_78{font-size:13px;color:#444;margin-top:2px}._paramSection_1w2dd_84{margin-bottom:1.5rem}._paramLabel_1w2dd_88{display:block;font-size:15px;color:#222;margin-bottom:.5rem}._paramInput_1w2dd_95{width:100%;padding:.75rem;border:1px solid #e4e6eb;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif}._actions_1w2dd_104{display:flex;justify-content:flex-end;gap:.75rem}._button_1w2dd_110{padding:.75rem 1.5rem;border-radius:6px;font-size:15px;font-family:Noto Sans JP,sans-serif;font-weight:700;cursor:pointer;border:none}._cancel_1w2dd_120{background-color:#dde3ea;color:#444}._confirm_1w2dd_125{background-color:#38c6d9;color:#fff}._disabled_1w2dd_130{background-color:#dde3ea;color:#888;cursor:not-allowed}._container_r0pbo_1{padding:2rem;max-width:1200px;margin:0 auto}._headerSection_r0pbo_7{margin-bottom:1.5rem}._heading_r0pbo_11{color:#222;font-size:18px;font-weight:700;margin:0 0 4px}._subtitle_r0pbo_18{font-size:13px;color:#888;margin:0}._loading_r0pbo_24{padding:3rem;text-align:center;color:#888;font-size:15px}._errorBanner_r0pbo_31{padding:1rem;margin-bottom:1rem;background-color:#ffe5e5;border:1px solid #e4e6eb;border-radius:6px;color:#ff5252;font-size:13px}._deckGrid_r0pbo_41{display:grid;gap:1rem}._emptyState_r0pbo_46{padding:3rem;text-align:center;border:1px solid #e4e6eb;border-radius:6px;background-color:#fafbfc}._emptyStateTitle_r0pbo_54{font-size:15px;font-weight:700;color:#222;margin-bottom:4px}._emptyStateText_r0pbo_61{font-size:13px;color:#888}._clickable_r0pbo_66{cursor:pointer;border-radius:6px;padding:4px 8px;margin:-4px -8px;transition:background-color .15s ease}._clickable_r0pbo_66:hover{background-color:#38c6d90f}._statusFailed_r0pbo_78{font-size:13px;color:#ff5252;font-weight:700}._processingContainer_r0pbo_84{display:flex;flex-direction:column;gap:.5rem}._processingText_r0pbo_90{font-size:13px;color:#444}._progressBarContainer_r0pbo_95{width:200px;height:4px;background-color:#e4e6eb;border-radius:2px;overflow:hidden}._progressBar_r0pbo_95{height:100%;width:30%;background-color:#38c6d9;border-radius:2px;animation:_progressAnimation_r0pbo_1 1.5s ease-in-out infinite}@keyframes _progressAnimation_r0pbo_1{0%{transform:translate(-100%);width:30%}50%{transform:translate(100%);width:50%}to{transform:translate(300%);width:30%}}._menuWrapper_r0pbo_126{position:relative}._menuButton_r0pbo_130{padding:.5rem .75rem;border-radius:6px;border:1px solid #e4e6eb;background-color:#fff;color:#444;cursor:pointer;font-size:15px;font-family:Noto Sans JP,sans-serif;font-weight:700}._menuButton_r0pbo_130:disabled{cursor:not-allowed;color:#888;background-color:#dde3ea;border-color:#dde3ea}._menu_r0pbo_126{position:absolute;top:calc(100% + .5rem);right:0;background-color:#fff;border:1px solid #e4e6eb;border-radius:6px;min-width:200px;box-shadow:0 4px 12px #00000014;display:flex;flex-direction:column;z-index:10}._menuItem_r0pbo_163{padding:.75rem 1rem;background:none;border:none;text-align:left;font-size:15px;color:#444;cursor:pointer;font-family:Noto Sans JP,sans-serif}._menuItem_r0pbo_163:hover:not(:disabled){background-color:#fafbfc;color:#222}._menuItem_r0pbo_163:disabled{cursor:not-allowed;color:#888}._templateList_r0pbo_184{display:flex;flex-direction:column;background-color:#f8f9fa;border-top:1px solid #e4e6eb}._templateItem_r0pbo_191{padding:.5rem 1.5rem;background:none;border:none;text-align:left;font-size:13px;color:#444;cursor:pointer;font-family:Noto Sans JP,sans-serif}._templateItem_r0pbo_191:hover{background-color:#f0f2f5;color:#222}._templateLoading_r0pbo_207{padding:.5rem 1.5rem;font-size:13px;color:#888}._menuDivider_r0pbo_213{height:1px;background-color:#e4e6eb;margin:4px 0}._menuItemDanger_r0pbo_219{color:#ff5252}._menuItemDanger_r0pbo_219:hover:not(:disabled){color:#ff5252;background-color:#fef2f2}.study-session{min-height:100vh;background:#fafbfc;font-family:Noto Sans JP,sans-serif;display:flex;flex-direction:column}.study-session--centered{display:flex;align-items:center;justify-content:center}.study-session__status-text{font-size:15px;color:#888}.study-session__empty-card{max-width:500px;margin:0 auto;padding:4rem 2rem;background-color:#fff;border-radius:12px;box-shadow:0 4px 20px #00000014;text-align:center}.study-session__empty-title{font-size:18px;font-weight:700;color:#222;margin-bottom:1rem}.study-session__empty-description{font-size:15px;color:#444;margin-bottom:2rem}.study-session__cta-button{padding:.875rem 2.5rem;background-color:#38c6d9;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:15px;font-weight:600;font-family:Noto Sans JP,sans-serif;box-shadow:0 2px 8px #38c6d94d;transition:all .2s ease}.study-session__cta-button:hover{background-color:#2fb0c1;box-shadow:0 4px 12px #38c6d966;transform:translateY(-1px)}.study-session__container{flex:1;display:flex;flex-direction:column;max-width:900px;width:100%;margin:0 auto}.study-session__content{flex:1;overflow-y:auto;padding:2rem 1rem}.study-session__content::-webkit-scrollbar{width:8px}.study-session__content::-webkit-scrollbar-track{background:transparent}.study-session__content::-webkit-scrollbar-thumb{background:#0003;border-radius:4px}.study-session__content::-webkit-scrollbar-thumb:hover{background:#0000004d}.study-session__header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.study-session__title{font-size:18px;font-weight:700;color:#222;margin:0 0 .5rem}.study-session__mode-badge{display:inline-block;margin-left:.5rem;padding:.125rem .5rem;font-size:13px;font-weight:400;color:#38c6d9;border:1px solid #38c6d9;border-radius:4px;vertical-align:middle}.study-session__meta{font-size:13px;color:#888}.study-session__card-kind-badge{display:inline-block;margin-left:.5rem;padding:.0625rem .375rem;font-size:11px;font-weight:600;border-radius:3px;vertical-align:middle;letter-spacing:.3px;text-transform:uppercase}.study-session__card-kind-badge--new{color:#22c55e;border:1px solid #22c55e}.study-session__card-kind-badge--review{color:#888;border:1px solid #d0d4d9}.study-session__card-kind-badge--learning{color:#ffa726;border:1px solid #ffa726}.study-session__card-counts{display:inline-flex;gap:.25rem;margin-right:.5rem;vertical-align:middle}.study-session__count{display:inline-block;min-width:1.5rem;padding:0 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