@charset "UTF-8";
/* CSS Document */


        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        
        body {
            font-family: 'Noto Serif JP', serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.9;
            font-weight: 300;
            overflow-x: hidden;
        }
        
        /* Noise texture overlay */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            opacity: 0.035;
            z-index: 1000;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
        }
        
        /* Typography */
        .font-display {
            font-family: 'Cormorant Garamond', serif;
            font-weight: 300;
            letter-spacing: 0.15em;
        }
        
        /* Layout */
        .container {
            max-width: 100%;
            padding: 0 24px;
        }
        
        section {
            position: relative;
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            min-height: 100dvh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 80px 24px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
        }
        
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.25) saturate(0.6);
        }
        
        .hero-bg::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                180deg,
                rgba(10, 10, 10, 0.4) 0%,
                rgba(10, 10, 10, 0.1) 40%,
                rgba(10, 10, 10, 0.6) 100%
            );
        }
        
        .hero-logo {
            width: 120px;
            height: auto;
            margin-bottom: 48px;
            opacity: 0;
            animation: fadeUp 1.2s ease-out 0.3s forwards;
        }
        
        .hero-copy {
            max-width: 340px;
            margin-bottom: 56px;
        }
        
        .hero-copy p {
font-size: 0.9rem;
    line-height: 2.4;
    letter-spacing: 0.08em;
    color: #ffffff; /* ここを白に変更 */
    text-shadow: 0 2px 4px rgba(0,0,0,0.5); /* 読みやすくするために薄く影を追加 */
    opacity: 0;
    animation: fadeUp 1.2s ease-out 0.6s forwards;
        }
        
        .hero-title {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.5rem;
            font-weight: 300;
            letter-spacing: 0.25em;
            color: var(--text-primary);
            margin-top: 32px;
            opacity: 0;
            animation: fadeUp 1.2s ease-out 0.9s forwards;
        }
        
        .scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            opacity: 0;
            animation: fadeUp 1.2s ease-out 1.2s forwards;
        }
        
        .scroll-indicator span {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.7rem;
            letter-spacing: 0.3em;
            color: var(--text-muted);
            text-transform: uppercase;
        }
        
        .scroll-line {
            width: 1px;
            height: 48px;
            background: linear-gradient(180deg, var(--accent-gold) 0%, transparent 100%);
            animation: scrollPulse 2s ease-in-out infinite;
        }
        
        /* Prologue Section */
        .prologue {
            padding: 120px 24px;
            background: var(--bg-primary);
        }
        
        .prologue-content {
            max-width: 320px;
            margin: 0 auto;
        }
        
        .section-label {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.65rem;
            letter-spacing: 0.4em;
            color: var(--accent-gold);
            text-transform: uppercase;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .section-label::before {
            content: '';
            width: 24px;
            height: 1px;
            background: var(--accent-gold);
        }
        
        .prologue-text {
            font-size: 0.95rem;
            line-height: 2.6;
            letter-spacing: 0.06em;
            color: var(--text-secondary);
        }
        
        .prologue-text em {
            font-style: normal;
            color: var(--text-primary);
        }
        
        /* Concept Section */
        .concept {
            padding: 100px 0;
            background: var(--bg-secondary);
        }
        
        .concept-header {
            padding: 0 24px;
            margin-bottom: 48px;
        }
        
        .concept-title {
            font-family: 'Cormorant Garamond', serif;
            font-size: 2.2rem;
            font-weight: 300;
            letter-spacing: 0.08em;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        
        .concept-subtitle {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.1em;
        }
        
        .concept-album {
            width: 100%;
            padding: 0 24px;
            margin-bottom: 48px;
        }
        
        .concept-album img {
            width: 100%;
            max-width: 280px;
            margin: 0 auto;
            display: block;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
        }
        
        .concept-content {
            padding: 0 24px;
        }
        
        .concept-text {
            font-size: 0.9rem;
            line-height: 2.4;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        
        .concept-highlight {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.1rem;
            font-style: italic;
            color: var(--accent-gold);
            letter-spacing: 0.05em;
            padding-left: 20px;
            border-left: 2px solid var(--border-subtle);
            margin: 40px 0;
        }
        
        /* Atmosphere Section */
        .atmosphere {
            padding: 100px 0;
            background: var(--bg-primary);
        }
        
        .atmosphere-item {
            margin-bottom: 80px;
        }
        
        .atmosphere-item:last-child {
            margin-bottom: 0;
        }
        
        .atmosphere-image {
            width: 100%;
            height: 280px;
            overflow: hidden;
            margin-bottom: 32px;
        }
        
        .atmosphere-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.85) saturate(0.9);
        }
        
        .atmosphere-content {
            padding: 0 24px;
        }
        
        .atmosphere-number {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.7rem;
            letter-spacing: 0.3em;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        
        .atmosphere-title {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.4rem;
            font-weight: 400;
            letter-spacing: 0.1em;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        
        .atmosphere-title-jp {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            letter-spacing: 0.08em;
        }
        
        .atmosphere-text {
            font-size: 0.9rem;
            line-height: 2.4;
            color: var(--text-secondary);
        }
        
        /* Master Section */
        .master {
            padding: 100px 0;
            background: var(--bg-secondary);
        }
        
        .master-image {
            width: 100%;
            height: 400px;
            overflow: hidden;
            position: relative;
        }
        
        .master-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.8) saturate(0.85);
        }
        
        .master-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 50%;
            background: linear-gradient(0deg, var(--bg-secondary) 0%, transparent 100%);
        }
        
        .master-content {
            padding: 40px 24px;
            margin-top: -60px;
            position: relative;
            z-index: 1;
        }
        
        .master-name {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.7rem;
            letter-spacing: 0.4em;
            color: var(--accent-gold);
            margin-bottom: 24px;
        }
        
        .master-title {
            font-size: 1.15rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-primary);
            margin-bottom: 32px;
            letter-spacing: 0.08em;
        }
        
        .master-text {
            font-size: 0.9rem;
            line-height: 2.4;
            color: var(--text-secondary);
        }
        
        /* Information Section */
        .information {
            padding: 100px 24px;
            background: var(--bg-primary);
        }
        
        .info-header {
            text-align: center;
            margin-bottom: 56px;
        }
        
        .info-title {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.8rem;
            font-weight: 300;
            letter-spacing: 0.2em;
            color: var(--text-primary);
        }
        
        .info-grid {
            display: flex;
            flex-direction: column;
            gap: 32px;
            max-width: 400px;
            margin: 0 auto;
        }
        
        .info-item {
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .info-label {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.7rem;
            letter-spacing: 0.3em;
            color: var(--accent-gold);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        
        .info-value {
            font-size: 0.9rem;
            color: var(--text-primary);
            line-height: 1.8;
            letter-spacing: 0.05em;
        }
        
        .info-value small {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        
        /* CTA Buttons */
        .cta-group {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 48px;
        }
        
        .cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 18px 32px;
            border: 1px solid var(--border-subtle);
            background: transparent;
            color: var(--text-primary);
            text-decoration: none;
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.85rem;
            letter-spacing: 0.2em;
            transition: all 0.4s ease;
        }
        
        .cta-btn:hover {
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            color: var(--bg-primary);
        }
        
        .cta-btn svg {
            width: 16px;
            height: 16px;
        }
        
        /* Footer */
        .footer {
            padding: 80px 24px;
            background: var(--bg-secondary);
            text-align: center;
        }
        
        .footer-message {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 2.2;
            margin-bottom: 40px;
            letter-spacing: 0.06em;
        }
        
        .footer-tagline {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.9rem;
            font-style: italic;
            letter-spacing: 0.15em;
            color: var(--accent-gold);
            margin-bottom: 32px;
        }
        
        .footer-logo {
            width: 80px;
            height: auto;
            margin-bottom: 24px;
            opacity: 0.8;
        }
        
        .footer-copyright {
            font-size: 0.65rem;
            letter-spacing: 0.2em;
            color: var(--text-muted);
        }
        
        /* Animations */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes scrollPulse {
            0%, 100% {
                opacity: 0.4;
                transform: scaleY(1);
            }
            50% {
                opacity: 1;
                transform: scaleY(1.2);
            }
        }
        
        /* Scroll Reveal */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Responsive adjustments for larger screens */
        @media (min-width: 768px) {
            html {
                font-size: 17px;
            }
            
            .container {
                max-width: 640px;
                margin: 0 auto;
                padding: 0 40px;
            }
            
            .hero-logo {
                width: 140px;
            }
            
            .hero-copy {
                max-width: 420px;
            }
            
            .prologue-content {
                max-width: 480px;
            }
            
            .concept-album img {
                max-width: 320px;
            }
            
            .atmosphere-image {
                height: 360px;
            }
            
            .cta-group {
                flex-direction: row;
                justify-content: center;
            }
            
            .cta-btn {
                padding: 18px 48px;
            }
        }