:root{--base: #FFFFFF;--surface: #F8FAFC;--surface-alt: #F1F5F9;--text: #1E293B;--text-sub: #64748B;--accent-primary: #3B82F6;--accent-secondary: #8B5CF6;--accent-success: #10B981;--accent-orange: #F59E0B;--border: #E2E8F0;--shadow: rgba(0, 0, 0, .08)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:IBM Plex Sans JP,sans-serif;background:var(--base);color:var(--text);line-height:1.7}.container{max-width:1200px;margin:0 auto;padding:0 24px}.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;justify-content:space-between;align-items:center;padding:16px 40px;background:#fffffff2;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 1px 3px var(--shadow)}.logo{font-family:Sora,sans-serif;font-weight:700;font-size:1rem;color:var(--text);text-decoration:none;letter-spacing:.3em;display:flex;align-items:center;gap:8px}.logo-dots{font-size:.5rem;letter-spacing:.4em;color:var(--text)}.nav-links{display:flex;gap:32px;align-items:center}.nav-links a{color:var(--text-sub);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--accent-primary)}.nav-cta{background:var(--accent-primary);color:#fff!important;padding:10px 24px;border-radius:8px;font-weight:600}.nav-cta:hover{background:#2563eb!important}.mobile-menu{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}.mobile-menu span{display:block;width:24px;height:2px;background:var(--text)}.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:120px 24px 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20px}.originote-features{grid-template-columns:1fr}.album-grid{gap:16px}.album-card{width:140px}.album-cover{width:140px;height:140px}.footer-content{flex-direction:column;text-align:center}.footer-nav{justify-content:center}}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-content>*{animation:fadeUp .6s ease-out forwards;opacity:0}.hero-title{animation-delay:.1s}.hero-sub{animation-delay:.2s}.hero-cta{animation-delay:.3s}