:root{--color-bg: #f8f9fc;--color-bg-alt: #f0f1f5;--color-card: #ffffff;--color-card-hover: #f5f6fa;--color-text: #1a1a2e;--color-text-secondary: #5a6278;--color-text-muted: #8b93a8;--color-border: #e2e4ec;--color-border-light: #d0d3de;--color-accent: #6366f1;--color-accent-dark: #4f46e5;--color-accent-bg: rgba(99, 102, 241, .08);--color-accent-glow: rgba(99, 102, 241, .15);--color-success: #10b981;--color-warning: #f59e0b;--font-family: "Inter", "Noto Sans JP", -apple-system, sans-serif;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .1);--shadow-glow: 0 0 20px var(--color-accent-glow);--max-width: 1100px;--header-height: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:var(--color-accent);text-decoration:none;transition:color .2s}a:hover{color:var(--color-accent-dark)}button{cursor:pointer;font-family:var(--font-family);-webkit-tap-highlight-color:transparent}img{max-width:100%;display:block}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border-light);border-radius:4px}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}section{padding:80px 0}section+section{border-top:1px solid var(--color-border)}h1,h2,h3,h4{font-weight:700;line-height:1.3}h1{font-size:clamp(2rem,5vw,3rem)}h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:12px}h3{font-size:1.125rem}.section-label{display:inline-block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--color-accent);margin-bottom:8px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:var(--radius-md);font-size:14px;font-weight:600;border:none;transition:all .2s}.btn-primary{background:linear-gradient(135deg,var(--color-accent),var(--color-accent-dark));color:#fff;box-shadow:var(--shadow-md),var(--shadow-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg),0 0 30px var(--color-accent-glow)}.btn-secondary{background:var(--color-card);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-card-hover);border-color:var(--color-border-light)}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;transition:all .25s}.card:hover{background:var(--color-card-hover);border-color:var(--color-border-light);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tag{display:inline-block;padding:4px 10px;border-radius:var(--radius-sm);font-size:11px;font-weight:600;background:var(--color-accent-bg);color:var(--color-accent);letter-spacing:.3px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}.animate-in{animation:fadeInUp .5s ease forwards}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.status-dot.live{background:var(--color-success);box-shadow:0 0 6px #10b98180;animation:pulse 2s infinite}.status-dot.dev{background:var(--color-warning)}.input{width:100%;padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-alt);color:var(--color-text);font-family:var(--font-family);font-size:14px;transition:border-color .2s}.input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-bg)}textarea.input{min-height:120px;resize:vertical}@media(max-width:768px){section{padding:48px 0}.grid-2,.grid-3{grid-template-columns:1fr}.container{padding:0 16px}header nav{display:none!important}header button[aria-label=Menu]{display:flex!important}.contact-grid{grid-template-columns:1fr!important;gap:24px!important}.hero-stats{gap:20px!important}}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}