:root{--color-bg-primary: #0a0a1a;--color-bg-secondary: #0f0f25;--color-bg-card: rgba(15, 15, 37, .8);--color-text-primary: #ffffff;--color-text-secondary: #a0a0c0;--color-text-muted: #6060a0;--color-accent-cyan: #00f5ff;--color-accent-magenta: #ff00ff;--color-accent-purple: #9d4edd;--color-accent-pink: #ff006e;--gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #1a0a2e 50%, #0a1a2e 100%);--gradient-glow: linear-gradient(45deg, var(--color-accent-cyan), var(--color-accent-magenta));--gradient-section: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);--font-display: "Outfit", "Noto Sans JP", sans-serif;--font-body: "Inter", "Noto Sans JP", sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 2rem;--space-xl: 4rem;--space-2xl: 8rem;--radius-sm: 1px;--radius-md: 2px;--radius-lg: 3px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--z-header: 100;--z-overlay: 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var(--space-xl);font-family:var(--font-display);font-weight:600;font-size:1rem;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}.btn-primary{background:var(--gradient-glow);color:var(--color-bg-primary)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px #00f5ff66,0 0 60px #ff00ff4d}.btn-outline{background:transparent;border:2px solid var(--color-accent-cyan);color:var(--color-accent-cyan)}.btn-outline:hover{background:var(--color-accent-cyan);color:var(--color-bg-primary);box-shadow:0 0 30px #00f5ff80}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg-primary)}::-webkit-scrollbar-thumb{background:var(--gradient-glow);border-radius:var(--radius-full)}::selection{background:var(--color-accent-cyan);color:var(--color-bg-primary)}@media(max-width:768px){:root{--space-xl: 2rem;--space-2xl: 4rem}.container{padding:0 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.15s}.hero-text.visible{opacity:1;transform:translate(0)}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:.6875rem;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--color-accent-cyan);width:fit-content}.badge-line{width:24px;height:1px;background:var(--color-accent-cyan)}.hero-logo{width:100%;max-width:450px;height:auto;opacity:.95}.hero-catchphrase{font-family:var(--font-display);font-size:1.25rem;font-weight:400;line-height:2;color:var(--color-text-secondary)}.hero-meta{display:flex;align-items:center;gap:var(--space-md);padding-top:var(--space-md)}.meta-item{display:flex}.meta-value{font-family:var(--font-display);font-size:.75rem;font-weight:500;letter-spacing:.1em;color:var(--color-text-muted)}.meta-divider{color:var(--color-text-muted);opacity:.3}.scroll-indicator{position:absolute;bottom:var(--space-xl);left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);background:none;border:none;cursor:pointer;padding:var(--space-md);transition:all var(--transition-normal)}.scroll-indicator:hover{transform:translate(-50%) translateY(-3px)}.scroll-indicator:hover .scroll-arrow{color:var(--color-accent-cyan)}.scroll-text{font-size:.625rem;font-weight:500;letter-spacing:.3em;color:var(--color-text-muted);transition:color var(--transition-normal)}.scroll-indicator:hover .scroll-text{color:var(--color-accent-cyan)}.scroll-arrow{color:var(--color-text-muted);animation:scroll-bounce 2s ease-in-out infinite;transition:color var(--transition-normal)}@keyframes scroll-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(8px)}}@media(max-width:1024px){.hero-content{flex-direction:column;text-align:center}.jacket-image{width:280px}.hero-text{align-items:center}.hero-catchphrase{font-size:1.125rem}.hero-meta{justify-content:center}.hero-accent-line{display:none}}@media(max-width:640px){.hero{padding:var(--space-lg)}.jacket-image{width:220px}.hero-logo{max-width:280px}.hero-catchphrase{font-size:1rem}}.concept{background:var(--gradient-section);position:relative}.concept:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--color-accent-cyan),transparent)}.section-title{text-align:center;margin-bottom:var(--space-2xl)}.title-label{display:block;font-size:.75rem;font-weight:500;letter-spacing:.4em;color:var(--color-accent-cyan)}.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}.concept-card{position:relative;padding:var(--space-xl);background:var(--color-bg-card);border-radius:2px;border:1px solid rgba(255,255,255,.05);overflow:hidden;opacity:0;transform:translateY(30px);transition:all var(--transition-slow);display:flex;flex-direction:column;min-height:260px}.concept-card.visible{opacity:1;transform:translateY(0)}.concept-card:hover{border-color:#ffffff1f;transform:translateY(-4px)}.concept-card:hover .card-line{transform:scaleX(1)}.card-header{display:flex;align-items:flex-start;gap:var(--space-sm);margin-bottom:var(--space-md)}.card-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;margin-top:.5em}.accent-cyan .card-dot{background:var(--color-accent-cyan);box-shadow:0 0 8px var(--color-accent-cyan)}.accent-magenta .card-dot{background:var(--color-accent-magenta);box-shadow:0 0 8px var(--color-accent-magenta)}.accent-purple .card-dot{background:var(--color-accent-purple);box-shadow:0 0 8px var(--color-accent-purple)}.card-title{font-size:1.0625rem;font-weight:600;line-height:1.4;color:var(--color-text-primary)}.card-description{font-size:.875rem;line-height:1.9;color:var(--color-text-secondary);flex-grow:1}.card-line{position:absolute;bottom:0;left:0;right:0;height:2px;transform:scaleX(0);transform-origin:left;transition:transform var(--transition-slow)}.accent-cyan .card-line{background:var(--color-accent-cyan)}.accent-magenta .card-line{background:var(--color-accent-magenta)}.accent-purple .card-line{background:var(--color-accent-purple)}@media(max-width:1024px){.concept-grid{grid-template-columns:1fr;max-width:600px;margin:0 auto}}@media(max-width:640px){.concept-card{padding:var(--space-lg);min-height:auto}}.tracklist{background:var(--color-bg-primary);position:relative}.tracklist:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--color-accent-magenta),transparent)}.tracklist-container{max-width:900px;margin:0 auto}.track-row{display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:var(--space-lg);padding:var(--space-md) var(--space-lg);border-bottom:1px solid rgba(255,255,255,.03);position:relative;opacity:0;transform:translate(-20px);transition:all var(--transition-normal)}.track-row.visible{opacity:1;transform:translate(0)}.track-row:hover{background:#ffffff05}.track-row:hover .track-hover-line{transform:scaleX(1)}.track-row:hover .track-number{color:var(--color-accent-cyan)}.track-row.is-new:hover 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var(--transition-normal)}.tracklist-note{text-align:center;margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:1px solid rgba(255,255,255,.03)}.tracklist-note p{font-size:.75rem;color:var(--color-text-muted);letter-spacing:.2em;text-transform:uppercase}@media(max-width:768px){.track-row{grid-template-columns:50px 1fr;gap:var(--space-md);padding:var(--space-md)}.track-from{grid-column:2;margin-top:2px}.track-number{font-size:.8125rem}.track-title{font-size:.9375rem}}@media(max-width:480px){.track-row{grid-template-columns:40px 1fr}.track-title{flex-direction:column;align-items:flex-start;gap:4px}}.staff{background:var(--gradient-section);position:relative}.staff:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--color-accent-purple),transparent)}.staff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-xl) var(--space-2xl);max-width:800px;margin:0 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var(--space-xl);text-align:center}.price-display{margin-bottom:var(--space-lg)}.price-amount{display:block;font-family:var(--font-display);font-size:2.5rem;font-weight:600;letter-spacing:-.02em;color:var(--color-text-primary)}.price-note{display:block;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--color-text-muted);margin-top:var(--space-sm)}.spec-list{display:flex;flex-direction:column;gap:var(--space-xs)}.spec-item{font-size:.8125rem;color:var(--color-text-muted)}.store-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md);max-width:600px;margin:0 auto}.store-card{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg) var(--space-xl);background:transparent;border:1px solid rgba(255,255,255,.1);position:relative;transition:all var(--transition-normal)}.store-card:hover{border-color:var(--color-accent-cyan);background:#00f5ff05}.store-card:hover 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var(--transition-normal)}.footer-logo:hover{opacity:1}.cs-logo{height:40px;width:auto;filter:brightness(.9)}.footer-links{display:flex;gap:var(--space-xl)}.footer-link{font-size:.875rem;color:var(--color-text-secondary);letter-spacing:.1em;transition:color var(--transition-fast)}.footer-link:hover{color:var(--color-accent-cyan)}.footer-copyright{text-align:center}.footer-copyright p{font-size:.75rem;color:var(--color-text-muted);letter-spacing:.05em}.footer-sub{margin-top:var(--space-xs);opacity:.6}.footer-gradient{position:absolute;bottom:0;left:0;right:0;height:200px;background:linear-gradient(to top,rgba(0,245,255,.02),transparent);pointer-events:none}@media(max-width:640px){.footer-links{gap:var(--space-lg)}}