@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--color-bg-primary: #f8fafc;--color-bg-secondary: transparent;--color-bg-secondary-solid: #ffffff;--color-bg-tertiary: #f1f5f9;--color-bg-hover: #e2e8f0;--color-border: #e2e8f0;--color-border-hover: #cbd5e1;--color-accent: #4f46e5;--color-accent-hover: #4338ca;--color-accent-muted: rgba(79, 70, 229, .1);--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-muted: #94a3b8;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-purple: #8b5cf6;--color-purple-muted: rgba(139, 92, 246, .1);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-2xl: 24px;--radius-3xl: 32px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .025);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .05), 0 10px 10px -5px rgba(0, 0, 0, .02);--shadow-glow: 0 0 15px rgba(79, 70, 229, .4);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .4s cubic-bezier(.175, .885, .32, 1.275)}[data-theme=dark]{--color-bg-primary: #0f172a;--color-bg-secondary: transparent;--color-bg-secondary-solid: #1e293b;--color-bg-tertiary: #334155;--color-bg-hover: #334155;--color-border: #334155;--color-border-hover: #475569;--color-accent: #6366f1;--color-accent-hover: #818cf8;--color-accent-muted: rgba(99, 102, 241, .15);--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-success: #34d399;--color-warning: #fbbf24;--color-danger: #f87171;--color-purple: #a78bfa;--color-purple-muted: rgba(167, 139, 250, .15);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .25);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .5), 0 10px 10px -5px rgba(0, 0, 0, .25);--shadow-glow: 0 0 15px rgba(99, 102, 241, .3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;overflow-x:clip;scroll-padding-top:85px}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh;overflow-x:clip;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover);text-decoration:underline}.header{background:#fffc;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border);padding:16px 24px;position:sticky;top:0;z-index:1000;align-self:flex-start;width:100%;box-shadow:var(--shadow-sm)}[data-theme=dark] .header{background:#1e293bcc}.header-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.header-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--color-text-primary);text-decoration:none}.header-logo:hover{text-decoration:none}.header-logo-icon{font-size:24px}.header-subtitle{font-size:13px;color:var(--color-text-secondary);font-weight:400}.container{max-width:1280px;margin:0 auto;padding:24px;flex:1}.card{background:var(--color-bg-secondary-solid);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-md)}.card-interactive{will-change:transform,box-shadow}.card-interactive:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-accent);cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;font-family:var(--font-family);border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;line-height:1.4;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn:active:not(:disabled){transform:scale(.97)}.btn-primary{background:linear-gradient(135deg,var(--color-accent),#6366f1);color:#fff;border:none;box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#4338ca,#4f46e5);box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-border-hover)}.btn-danger{background:transparent;color:var(--color-danger);border-color:var(--color-border)}.btn-danger:hover:not(:disabled){background:#f851491a;border-color:var(--color-danger)}.btn-sm{padding:4px 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var(--color-border);padding-bottom:8px;margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.sentence-en,.sentence-ja{padding:8px 12px;border-radius:var(--radius-sm);transition:all var(--transition-normal);line-height:1.8}.sentence-en{font-size:16px;color:var(--color-text-primary)}.sentence-ja{font-size:15px;color:var(--color-text-secondary)}.sentence-en:hover,.sentence-ja:hover{background:var(--color-bg-hover)}.sentence-en.highlighted,.sentence-ja.highlighted{background:var(--color-accent-muted);border-left:4px solid var(--color-accent);padding-left:8px}[data-theme=dark] .sentence-en.highlighted,[data-theme=dark] .sentence-ja.highlighted{background:#6366f140}.word-annotated{border-bottom:2px dotted var(--color-accent);cursor:pointer;transition:all var(--transition-fast);padding:0 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var(--color-border)}.popover-example{font-size:13px;color:var(--color-text-secondary);font-style:italic;line-height:1.5}.bottom-sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:1010;animation:fadeIn .15s ease}.bottom-sheet{position:fixed;bottom:0;left:0;right:0;z-index:1011;background:var(--color-bg-secondary-solid);border-top:1px solid var(--color-border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:12px 20px 32px;animation:slideUp .25s ease}.bottom-sheet-handle{width:36px;height:4px;background:var(--color-border-hover);border-radius:2px;margin:0 auto 16px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.progress-container{display:flex;flex-direction:column;align-items:center;gap:16px;padding:40px}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear 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12px}.hide-on-mobile,.header-subtitle{display:none}.news-grid{grid-template-columns:1fr}.text-grid{display:flex;flex-direction:column;gap:0;padding:16px}.text-grid-header.en-header,.text-grid-header.ja-header{display:none}.sentence-en{margin-top:24px;padding-bottom:4px}.sentence-en:first-of-type{margin-top:0}.sentence-ja{padding-top:0;margin-bottom:0;padding-bottom:12px;border-bottom:1px dashed var(--color-border)}.sentence-en.highlighted,.sentence-ja.highlighted{border-left:3px solid 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alternate;animation-delay:2s}@keyframes scrollText{0%{transform:translate(0)}15%{transform:translate(0)}85%{transform:translate(min(0px,calc(-100% + 180px)))}to{transform:translate(min(0px,calc(-100% + 180px)))}}.global-player-level{font-size:11px;color:var(--color-text-secondary);margin-top:1px}.global-player-expand-hint{font-size:12px;color:var(--color-text-muted);flex-shrink:0;font-weight:500}@media(max-width:768px){.global-player-expanded{padding:24px 20px}.player-controls-row{flex-direction:column;gap:32px}.player-group-left,.player-group-right{width:100%;justify-content:center}.global-player-mini-content{padding:10px 14px;gap:10px}.global-player-expand-hint{display:none}}.dropdown-container{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:calc(100% + 16px);right:0;width:280px;background:#ffffffd9;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-xl);box-shadow:var(--shadow-2xl);padding:12px;z-index:200;display:flex;flex-direction:column;gap:4px;animation:slideDownFade .25s cubic-bezier(.16,1,.3,1) forwards;transform-origin:top right}[data-theme=dark] .dropdown-menu{background:#1e293bd9;border:1px solid rgba(255,255,255,.05);box-shadow:0 25px 50px -12px #000000b3}@keyframes slideDownFade{0%{opacity:0;transform:scale(.95) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}.dropdown-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;background:transparent;border:none;border-radius:var(--radius-md);color:var(--color-text-primary);font-size:14px;font-weight:500;text-align:left;cursor:pointer;transition:all var(--transition-fast)}.dropdown-item:hover{background:#6366f114;color:var(--color-accent);transform:translate(4px)}.dropdown-divider{height:1px;background:var(--color-border);margin:6px 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