:root{--color-bg-primary: #0f0f0f;--color-bg-secondary: #1a1a1a;--color-bg-tertiary: #242424;--color-bg-card: #1e1e1e;--color-text-primary: #ffffff;--color-text-secondary: #a0a0a0;--color-text-muted: #6b6b6b;--color-accent: #8b5cf6;--color-accent-hover: #a78bfa;--color-accent-glow: rgba(139, 92, 246, .3);--color-border: #2a2a2a;--color-border-hover: #3a3a3a;--gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);--gradient-bg: linear-gradient(180deg, #0f0f0f 0%, #1a1a1a 100%);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 5rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px var(--color-accent-glow);--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s ease;--container-max: 1200px;--container-padding: 1.5rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Noto Sans JP,Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gradient-bg);color:var(--color-text-primary);line-height:1.7;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}img{max-width:100%;height:auto;user-select:none;-webkit-user-drag:none}button{font-family:inherit;cursor:pointer;border:none;background:none}ul{list-style:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}::selection{background:var(--color-accent);color:var(--color-text-primary)}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.text-gradient{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glass{background:#1e1e1ecc;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--color-border)}.glow{box-shadow:var(--shadow-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-lg);font-size:1rem;font-weight:500;border-radius:var(--radius-lg);transition:all var(--transition-base)}.btn-primary{background:var(--gradient-accent);color:var(--color-text-primary);box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border);border-color:var(--color-border-hover)}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base)}.card:hover{border-color:var(--color-border-hover);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.section{padding:var(--spacing-2xl) 0;position:relative}.section-title{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:var(--spacing-lg);text-align:center}.section-subtitle{font-size:1.125rem;color:var(--color-text-secondary);text-align:center;max-width:600px;margin:0 auto var(--spacing-xl)}.divider{width:100%;height:1px;background:linear-gradient(90deg,transparent 0%,var(--color-border) 20%,var(--color-accent) 50%,var(--color-border) 80%,transparent 100%);margin:var(--spacing-xl) 0}.animate-on-scroll{opacity:0;transform:translateY(30px);transition:all .6s ease-out}.animate-on-scroll.visible{opacity:1;transform:translateY(0)}