@import "https://fonts.googleapis.com/css2?family=Sawarabi+Gothic&display=swap";*{box-sizing:border-box;margin:0;padding:0}:root{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Sawarabi Gothic,sans-serif;font-weight:400;line-height:1.5}#root{min-height:100vh}a{-webkit-text-decoration:inherit;text-decoration:inherit}main{max-width:1200px;margin:0 auto;padding:2rem}:root{--header-height:64px}:root[data-theme=light]{--surface-base:#f5f5f5;--surface-container:#fff;--surface-container-high:#f0f0f0;--surface-header:#fff;--surface-header-rgb:255, 255, 255;--on-surface:#333;--on-surface-variant:#666;--on-surface-muted:#999;--neon-color:#3ddc84;--neon-color-rgb:61, 220, 132;--accent-color:#4285f4;--outline:#0000001f;--outline-variant:#0000000f;--shadow-color:#0000001a;--overlay-bg:#000000b3;--surface-on-overlay:#fff}:root[data-theme=dark]{--surface-base:#121212;--surface-container:#1e1e1e;--surface-container-high:#2c2c2c;--surface-header:#1f1f1f;--surface-header-rgb:31, 31, 31;--on-surface:#e0e0e0;--on-surface-variant:#ababab;--on-surface-muted:#787878;--neon-color:#3ddc84;--neon-color-rgb:61, 220, 132;--accent-color:#4285f4;--outline:#ffffff1f;--outline-variant:#ffffff0f;--shadow-color:#0000004d;--overlay-bg:#000000b3;--surface-on-overlay:#e0e0e0}body{background-color:var(--surface-base);color:var(--on-surface);min-height:100vh;margin:0;transition:background-color .3s,color .3s}header{background-color:var(--surface-header);color:var(--on-surface);box-sizing:border-box;width:100%;height:var(--header-height);z-index:100;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:fixed;top:0;left:0;right:0}.header-right{align-items:center;gap:2rem;display:flex}nav ul{align-items:center;gap:1.5rem;margin:0;padding:0;list-style:none;display:flex}nav ul li{margin:0;padding:0}.header-title-link{color:inherit;text-decoration:none}nav a{color:var(--on-surface);white-space:nowrap;padding:.4rem 0;text-decoration:none}.theme-toggle{cursor:pointer;background:0 0;border:none;padding:.5rem;font-size:1.5rem}.buttons-container{align-items:center;gap:1rem;display:flex}.lang-toggle{border:1px solid var(--on-surface);cursor:pointer;color:var(--on-surface);background:0 0;border-radius:4px;justify-content:center;align-items:center;gap:.5rem;min-width:120px;padding:.5rem .8rem;font-size:1.2rem;transition:all .2s;display:flex}.lang-toggle:hover{background-color:var(--on-surface);color:var(--surface-header)}.lang-toggle span{color:inherit;font-size:.9rem}.lang-toggle .flag-emoji{font-size:1.5rem}@media (width<=768px){header{height:auto;min-height:var(--header-height);padding:.5rem 1rem}h1{font-size:1.2rem}.header-right{gap:1rem}nav ul{gap:.75rem}nav a{font-size:.9rem}.buttons-container{gap:.5rem}.lang-toggle,.theme-toggle{padding:.4rem .6rem;font-size:.9rem}.flag-emoji{display:none}}@media (width<=480px){header{padding:.5rem}h1{font-size:1rem}nav ul{gap:.5rem}nav a{font-size:.8rem}.lang-toggle,.theme-toggle{padding:.3rem .5rem;font-size:.8rem}}.geometric-bg{z-index:1}.content-wrapper{z-index:2}.main-content{min-height:calc(100vh - 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