@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Pacifico&display=swap";*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}:root{--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-secondary: #f43f5e;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-red-50: #fef2f2;--color-red-200: #fecaca;--color-red-500: #ef4444;--color-red-600: #dc2626;--color-orange-50: #fff7ed;--color-orange-100: #ffedd5;--color-orange-400: #fb923c;--color-orange-500: #f97316;--color-orange-600: #ea580c;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1.25rem;--radius-xl: 1.75rem;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--shadow-lg: 0 8px 24px rgba(0,0,0,.1);--shadow-card: 0 2px 8px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);--transition-fast: .15s ease;--transition-base: .22s ease}html,body,#root{height:100%;overflow:hidden}body{font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--color-gray-50);color:var(--color-gray-900);overscroll-behavior:none;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font:inherit}input{font:inherit}._nav_hqdib_1{position:fixed;bottom:0;left:0;right:0;background-color:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 -1px #0000000f,0 -8px 20px #0000000a;padding-bottom:max(.5rem,env(safe-area-inset-bottom));z-index:9999}._toggleBar_hqdib_15{display:flex;align-items:center;justify-content:center;width:100%;height:1.125rem;background:transparent;border:none;cursor:pointer;padding:0;-webkit-tap-highlight-color:transparent}._toggleHandle_hqdib_28{display:block;width:2.25rem;height:.25rem;border-radius:999px;background-color:var(--color-gray-200);transition:background-color var(--transition-fast)}._toggleBar_hqdib_15:hover ._toggleHandle_hqdib_28{background-color:var(--color-gray-300)}._nav_hqdib_1._collapsed_hqdib_42 ._navContainer_hqdib_42{max-height:0;opacity:0;overflow:hidden;pointer-events:none}._navContainer_hqdib_42{display:flex;flex-direction:column;align-items:center;max-height:6rem;opacity:1;transition:max-height .3s ease,opacity .3s ease}._navInner_hqdib_58{display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x 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._navIconWrap_hqdib_105{background-color:var(--color-orange-50);transform:translateY(-1px)}._navIcon_hqdib_105{width:1.375rem;height:1.375rem;transition:transform var(--transition-fast)}._navItem_hqdib_84._navItemActive_hqdib_115 ._navIcon_hqdib_105{transform:scale(1.08)}._navGroupDot_hqdib_136{position:absolute;top:0;left:20%;right:20%;height:2px;border-radius:0 0 2px 2px;background-color:var(--color-gray-200);transition:background-color var(--transition-fast)}._navItem_hqdib_84._navItemActive_hqdib_115 ._navGroupDot_hqdib_136{background-color:var(--color-orange-400)}._pagination_hqdib_152{display:flex;gap:.375rem;align-items:center;justify-content:center;padding:.25rem 0 0}._paginationDot_hqdib_160{width:.3rem;height:.3rem;border-radius:50%;background-color:var(--color-gray-300);border:none;cursor:pointer;transition:all var(--transition-fast);padding:0}._paginationDot_hqdib_160:hover{background-color:var(--color-gray-400);transform:scale(1.2)}._paginationDotActive_hqdib_176{background-color:var(--color-orange-500);width:1.25rem;height:.3rem;border-radius:999px}._overlay_fiprv_1{position:fixed;inset:0;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:9999;animation:_fadeIn_fiprv_1 .25s ease-out;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}@keyframes _fadeIn_fiprv_1{0%{opacity:0}to{opacity:1}}._loaderContainer_fiprv_25{display:flex;align-items:center;justify-content:center}._spinner_fiprv_31{position:relative;width:100px;height:100px;display:flex;align-items:center;justify-content:center}._outerRing_fiprv_41{position:absolute;width:100%;height:100%;border:4px solid transparent;border-top-color:#ff9d4d;border-right-color:#ff9d4d;border-radius:50%;animation:_spinOuter_fiprv_1 1.2s cubic-bezier(.5,0,.5,1) 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var(--transition-fast);position:relative}._menuButton_l3qhq_48:hover{background-color:var(--color-gray-100);color:var(--color-gray-700)}._dropdownMenu_l3qhq_66{position:absolute;top:calc(100% + .5rem);right:1.25rem;background-color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);overflow:hidden;z-index:200;min-width:9rem;animation:_fadeSlideIn_l3qhq_1 .15s ease}@keyframes _fadeSlideIn_l3qhq_1{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}._dropdownItem_l3qhq_84{display:flex;align-items:center;gap:.625rem;width:100%;padding:.75rem 1rem;font-size:.875rem;font-weight:500;color:var(--color-gray-700);text-align:left;transition:background-color var(--transition-fast)}._dropdownItem_l3qhq_84:hover{background-color:var(--color-gray-50)}._dropdownItem_l3qhq_84._danger_l3qhq_101{color:var(--color-red-500)}._dropdownItem_l3qhq_84._danger_l3qhq_101:hover{background-color:var(--color-red-50)}._main_l3qhq_110{flex:1;padding:0}._overlay_1dg8m_5{position:fixed;inset:0;background:#000000b3;display:flex;align-items:flex-end;justify-content:center;z-index:11000;padding:0}@media(min-width:600px){._overlay_1dg8m_5{align-items:center;padding:20px}}._container_1dg8m_24{background:#1a1a2e;width:100%;max-width:560px;max-height:92dvh;border-radius:20px 20px 0 0;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 -8px 40px #00000080}@media(min-width:600px){._container_1dg8m_24{border-radius:20px;max-height:88vh;box-shadow:0 20px 60px #0009}}._dragHandle_1dg8m_45{width:40px;height:4px;background:#fff3;border-radius:2px;margin:10px auto 0;flex-shrink:0}@media(min-width:600px){._dragHandle_1dg8m_45{display:none}}._header_1dg8m_61{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 14px;border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0}._headerLeft_1dg8m_70{display:flex;align-items:center;gap:10px}._jlptBadge_1dg8m_76{font-size:.7rem;font-weight:700;padding:3px 8px;border-radius:6px;letter-spacing:.5px;background:linear-gradient(135deg,#f97316,#ea580c);color:#fff}._headerTitle_1dg8m_86{font-size:.95rem;font-weight:600;color:#ccc;margin:0}._closeBtn_1dg8m_93{background:#ffffff14;border:none;color:#aaa;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,color .2s;flex-shrink:0}._closeBtn_1dg8m_93:hover{background:#ffffff26;color:#fff}._body_1dg8m_114{flex:1;overflow-y:auto;overscroll-behavior:contain}._hero_1dg8m_121{background:#0f0f1a;display:flex;flex-direction:row;align-items:center;padding:14px 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.2s}._sourceLink_1dg8m_324:hover{opacity:1}._stateBox_1dg8m_341{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:12px;color:#666;font-size:.9rem}._spinner_1dg8m_352{width:32px;height:32px;border:3px solid rgba(249,115,22,.15);border-top-color:#f97316;border-radius:50%;animation:_spin_1dg8m_352 .7s linear infinite}@keyframes _spin_1dg8m_352{to{transform:rotate(360deg)}}._section_1lgg6_1{padding:1.25rem 1.25rem 0}._sectionHeader_1lgg6_5{display:flex;align-items:center;gap:.625rem;margin-bottom:1rem}._sectionAccent_1lgg6_12{width:3px;height:1.25rem;background-color:var(--color-orange-500);border-radius:999px;flex-shrink:0}._sectionTitle_1lgg6_20{font-size:1rem;font-weight:700;color:var(--color-gray-800);margin:0}._sectionCount_1lgg6_27{font-size:.7rem;font-weight:600;color:#fff;background-color:var(--color-orange-500);border-radius:999px;padding:.15rem .55rem;margin-left:auto}._loadingCard_1lgg6_38{width:100%;min-height:220px;display:flex;align-items:center;justify-content:center;background-color:#fff;border-radius:var(--radius-xl);font-size:.875rem;color:var(--color-gray-400);box-shadow:var(--shadow-card)}._emptyCard_1lgg6_52{width:100%;padding:2.5rem 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4rem;background:var(--color-gray-50)}._header_epzuy_9{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:1.5rem;gap:.75rem}._title_epzuy_17{font-size:1.5rem;font-weight:700;color:var(--color-gray-900);margin:0;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;width:100%;text-align:center}._headerActions_epzuy_28{width:100%;overflow:hidden}._headerScrollArea_epzuy_33{display:inline-flex;gap:.375rem;align-items:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;background:#fff;border-radius:1rem;padding:.3rem;box-shadow:var(--shadow-sm);max-width:100%}._headerScrollArea_epzuy_33::-webkit-scrollbar{display:none}._iconButton_epzuy_51{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background-color:transparent;border:none;border-radius:.625rem;color:var(--color-gray-500);cursor:pointer;transition:background var(--transition-fast),transform 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.6s;transform-style:preserve-3d}._card_epzuy_153._flipped_epzuy_184{transform:rotateY(180deg)}._card_epzuy_153._slide-left_epzuy_189{animation:_slideOutLeft_epzuy_1 .3s ease-out}._card_epzuy_153._slide-right_epzuy_193{animation:_slideOutRight_epzuy_1 .3s ease-out}@keyframes _slideOutLeft_epzuy_1{0%{transform:translate(0) rotateY(0);opacity:1}to{transform:translate(-100%) rotateY(0);opacity:0}}@keyframes _slideOutRight_epzuy_1{0%{transform:translate(0) rotateY(0);opacity:1}to{transform:translate(100%) rotateY(0);opacity:0}}._card_epzuy_153._slide-left_epzuy_189._flipped_epzuy_184{animation:_slideOutLeftFlipped_epzuy_1 .3s ease-out}._card_epzuy_153._slide-right_epzuy_193._flipped_epzuy_184{animation:_slideOutRightFlipped_epzuy_1 .3s ease-out}@keyframes _slideOutLeftFlipped_epzuy_1{0%{transform:translate(0) rotateY(180deg);opacity:1}to{transform:translate(-100%) rotateY(180deg);opacity:0}}@keyframes _slideOutRightFlipped_epzuy_1{0%{transform:translate(0) rotateY(180deg);opacity:1}to{transform:translate(100%) rotateY(180deg);opacity:0}}._cardFront_epzuy_249,._cardBack_epzuy_250{position:absolute;width:100%;height:100%;backface-visibility:hidden;background-color:#fff;border-radius:1.5rem;padding:1.5rem;display:flex;flex-direction:column;box-shadow:0 8px 30px #0000001f}._cardFront_epzuy_249{justify-content:space-between;align-items:center}._cardFront_epzuy_249{background:#fff}._cardBack_epzuy_250{background:#fffbf7;transform:rotateY(180deg);justify-content:center;align-items:center;border:1.5px solid var(--color-orange-100)}._cardMemoryStatus_epzuy_281{position:absolute;top:1rem;right:1rem;z-index:10}._cardLabel_epzuy_288{font-size:.875rem;font-weight:600;color:#8b95a1;margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:.05em}._cardBack_epzuy_250 ._cardLabel_epzuy_288{color:var(--color-orange-400)}._cardContentWrapper_epzuy_301{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1}._cardContent_epzuy_301{font-size:2.5rem;font-weight:700;color:#191f28;text-align:center;line-height:1.3}._cardBack_epzuy_250 ._cardContent_epzuy_301{color:var(--color-orange-500);font-size:2.5rem}._frontExample_epzuy_322{font-size:.875rem;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic,Meiryo,sans-serif;color:#6b7280;line-height:1.6;margin-top:1rem;text-align:center;max-width:100%;word-break:keep-all}._frontExampleSecondary_epzuy_333{font-size:.8125rem;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu 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var(--transition-fast);letter-spacing:.04em}._navButton_epzuy_382:hover:not(:disabled){background:var(--color-orange-600);transform:translateY(-1px);box-shadow:var(--shadow-md)}._navButton_epzuy_382:active:not(:disabled){transform:translateY(0);box-shadow:none}._navButton_epzuy_382:disabled{opacity:.4;cursor:not-allowed;background:var(--color-gray-300);box-shadow:none}._progressBar_epzuy_415{width:100%;height:12px;display:flex;gap:3px;margin-bottom:.5rem;cursor:grab;padding:2px 0;box-sizing:border-box;align-items:center;user-select:none;-webkit-user-select:none;touch-action:none}._progressBar_epzuy_415:active{cursor:grabbing}._progressSegment_epzuy_434{flex:1;height:100%;background-color:var(--color-gray-200);border-radius:2px;transition:background-color .2s ease,transform .15s ease}._progressSegmentActive_epzuy_442{background:var(--color-orange-500)}._progressSegmentCurrent_epzuy_446{transform:scaleY(1.3);box-shadow:0 2px 6px #f9731666}._progressBar_epzuy_415:hover ._progressSegment_epzuy_434{opacity:.85}._progressBar_epzuy_415:hover ._progressSegmentActive_epzuy_442{opacity:1}._progressBarFill_epzuy_460{background-color:var(--color-gray-200);border-radius:2px;overflow:hidden}._progressFill_epzuy_467{height:100%;background:var(--color-orange-500);transition:width .3s ease;border-radius:2px}._pageIndicator_epzuy_475{text-align:center;font-size:.75rem;color:#9ca3af;padding:.5rem;opacity:.8}._emptyState_epzuy_484{text-align:center;padding:3rem 1.5rem;background-color:#fff;border-radius:1.25rem;box-shadow:0 4px 20px #00000014}._emptyTitle_epzuy_492{font-size:1.5rem;font-weight:700;color:#191f28;margin-bottom:1rem}._emptyText_epzuy_499{font-size:1rem;color:#8b95a1;line-height:1.6}._cardSecondary_epzuy_506{margin-top:1.5rem;width:100%;text-align:center}._secondaryLabel_epzuy_512{font-size:.75rem;font-weight:600;color:var(--color-orange-400);margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}._secondaryContent_epzuy_521{font-size:1.5rem;font-weight:600;color:var(--color-gray-800);line-height:1.4;padding:.5rem;background-color:var(--color-orange-50);border-radius:.5rem}._backExample_epzuy_532{font-size:.875rem;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic,Meiryo,sans-serif;color:var(--color-gray-600);line-height:1.6;margin-top:.75rem;text-align:center;max-width:100%;word-break:keep-all}._backExampleSecondary_epzuy_543{font-size:.8125rem;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic,Meiryo,sans-serif;color:var(--color-gray-400);line-height:1.5;margin-top:.5rem;text-align:center;max-width:100%;word-break:keep-all}._emptyCard_epzuy_555{width:100%;max-width:400px;min-height:340px;background:#fff;border-radius:1.5rem;padding:2rem;display:flex;flex-direction:column;justify-content:center;align-items:center;box-shadow:var(--shadow-card);text-align:center}._emptyCardTitle_epzuy_570{font-size:1.5rem;font-weight:700;color:#191f28;margin-bottom:1rem}._emptyCardText_epzuy_577{font-size:1rem;color:#8b95a1;line-height:1.6;margin-bottom:2rem}._goToVocabularyButton_epzuy_584{padding:1rem 2rem;background:var(--color-orange-500);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast);letter-spacing:.04em}._goToVocabularyButton_epzuy_584:hover{background:var(--color-orange-600);transform:translateY(-1px)}._goToVocabularyButton_epzuy_584:active{transform:translateY(0)}._memoryButtons_epzuy_607{display:flex;gap:.75rem;width:100%;max-width:400px;margin:0 auto 1.5rem;padding:0 1.5rem}._memoryButton_epzuy_607{flex:1;padding:.6rem 1.25rem;font-size:.9rem;font-weight:600;border:2px solid #e5e7eb;border-radius:.75rem;background-color:#fff;color:#6b7280;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent;box-shadow:0 2px 8px #00000014}._memoryButton_epzuy_607:hover{border-color:#ff9d4d;background-color:#ff9d4d0d;transform:translateY(-2px);box-shadow:0 4px 12px #0000001f}._memoryButton_epzuy_607:active{transform:translateY(0)}._memoryButton_epzuy_607._memorized_epzuy_642{background:var(--color-orange-500);color:#fff;border-color:var(--color-orange-500);box-shadow:0 2px 8px #f9731640}._memoryButton_epzuy_607._memorized_epzuy_642:hover{background:var(--color-orange-600);border-color:var(--color-orange-600);box-shadow:0 4px 12px #f973164d}._flipZone_epzuy_656{position:absolute;bottom:0;left:0;right:0;height:2.75rem;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;border-top:1px solid rgba(0,0,0,.06);background:#00000008;border-radius:0 0 1.5rem 1.5rem;font-size:.8rem;font-weight:600;color:#aab0ba;letter-spacing:.03em;transition:background .15s,color .15s;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}._flipZone_epzuy_656:hover{background:#ff9d4d14;color:#ff9d4d}._flipZone_epzuy_656:active{background:#ff9d4d26}._flipZoneBack_epzuy_688{border-top:1px solid 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