:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:"Noto Sans JP", system-ui, "Segoe UI", sans-serif;--heading:"Noto Sans JP", system-ui, "Segoe UI", sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--bg-primary:#110d12;--bg-secondary:#1d181e;--accent-primary:#ea73fb;--accent-secondary:#f2cff0;--accent-tertiary:#ffe792;--accent-glow:#ea73fb4d;--text-primary:#fdf4fb;--text-secondary:#b1a9b0;--text-muted:#7a737a;--border-color:#4c464c33;--glass-bg:#2a242b66;--glass-border:#ffffff0d;--primary-container:#b697b5;--on-primary-container:#311b32;--secondary-container:#8f15a4;--surface-variant:#2a242b;--font-family:"Plus Jakarta Sans", "Inter", -apple-system, sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:2.5rem;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:4px;--radius-md:8px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 2px 4px #0000001a;--shadow-md:0 4px 12px #0003;--shadow-lg:0 12px 24px #0000004d}.light-theme{--bg-primary:#fff;--bg-secondary:#f8f9fa;--accent-primary:#ff4d4d;--accent-secondary:#007aff;--accent-glow:#ff4d4d1a;--text-primary:#1d1d1f;--text-secondary:#48484a;--text-muted:#86868b;--border-color:#0000001a;--glass-bg:#fffc;--glass-border:#0000000d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:color .3s}button{cursor:pointer;background:0 0;border:none;font-family:inherit;transition:all .3s}.glow-effect{box-shadow:0 0 20px var(--accent-glow)}.text-gradient{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}#root{flex-direction:column;min-height:100vh;display:flex}.app-container{max-width:1200px;padding:0 var(--spacing-md);width:100%;margin:0 auto}.header{height:70px;padding:0 var(--spacing-xl);z-index:100;margin-bottom:var(--spacing-xl);justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.logo{font-size:var(--font-size-2xl);letter-spacing:-1px;font-weight:700}.nav-links{gap:var(--spacing-xl);display:flex}.nav-link{color:var(--text-secondary);font-weight:500}.nav-link:hover{color:var(--text-primary)}.nav-link.active{color:var(--accent-primary)}.search-bar{background:var(--bg-secondary);border-radius:var(--radius-xl);padding:var(--spacing-sm) var(--spacing-lg);border:1px solid var(--border-color);align-items:center;width:100%;max-width:400px;transition:all .3s;display:flex}.search-bar:focus-within{border-color:var(--accent-primary);box-shadow:0 0 10px var(--accent-glow)}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;min-height:100vh;margin:0;padding:0 0 80px}.glass-morphism{background:var(--glass-bg);-webkit-backdrop-filter:blur(24px);border:1px solid var(--glass-border)}.glass-card{-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);background:#2a242b66;border:1px solid #ffffff0d;border-radius:24px;padding:24px}.text-gradient{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.search-input{color:var(--text-primary);margin-left:var(--spacing-sm);background:0 0;border:none;outline:none;width:100%}.btn-primary{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#fff;padding:var(--spacing-sm) var(--spacing-xl);border-radius:var(--radius-xl);font-weight:600}.btn-primary:hover{box-shadow:0 8px 20px var(--accent-glow);transform:translateY(-2px)}.song-card{transition:all .3s cubic-bezier(.4,0,.2,1)}.song-card:hover{border-color:var(--accent-primary);background:#7c4dff1a;transform:translateY(-8px)}.song-viewer{max-width:1000px;margin:0 auto}.control-group{flex-direction:column;display:flex}.control-group label{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.chord-label{font-family:monospace;transition:all .2s}.lyric-line{font-size:var(--font-size-lg);line-height:2}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-secondary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.6s ease-out forwards fadeIn}.light-theme .lyric-text{color:#c0392b;font-weight:500}.light-theme .song-content{border:1px solid var(--border-color);background:#fff!important}.light-theme .chord-label{color:#2980b9!important}.lyric-line{line-height:1}.chord-segment{transform:translateY(-5px)}.mini-chord{transition:transform .2s}.mini-chord:hover{transform:translateY(-2px)scale(1.1)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.95)}}.animate-spin{animation:1s linear infinite spin}.animate-pulse{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}.animate-spin-slow{animation:3s linear infinite spin}