/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333333;
    background: linear-gradient(135deg, #ffffff 0%, #f8f8f8 50%, #f0f0f0 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

/* Background animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, #333333, #666666);
    opacity: 0.05;
    animation: float 20s infinite linear;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: -7s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 60%;
    animation-delay: -14s;
}

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.2;
    }
    100% {
        transform: translateY(0px) rotate(360deg);
        opacity: 0.1;
    }
}

/* Main content */
.main-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.logo-container {
    margin-bottom: 3rem;
    animation: slideDown 1s ease-out;
}

.logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Typography */
.coming-soon {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    color: #666666;
    margin-bottom: 2rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 600;
    color: #333333;
    margin-bottom: 2rem;
    line-height: 1.3;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.highlight-quote {
    color: #FFD700;
    font-weight: 700;
}



.subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    font-weight: 400;
    color: #666666;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.9s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}



/* Footer */
.footer {
    position: absolute;
    bottom: 2rem;
    color: #999999;
    font-size: 0.9rem;
    animation: fadeIn 1s ease-out 1.2s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* デスクトップでは改行を非表示 */
.mobile-break {
    display: none;
}

/* Responsive design */
@media (max-width: 1200px) {
    .container {
        padding: 1rem;
    }
    
    .logo {
        max-width: 150px;
    }
    
    .mobile-break {
        display: block;
    }
}


@media (max-width: 480px) {
    .coming-soon {
        margin-bottom: 1.5rem;
    }
    
    .title {
        margin-bottom: 1.5rem;
    }
    
    .subtitle {
        margin-bottom: 2rem;
    }
}

/* Enhanced visual effects */
@media (prefers-reduced-motion: no-preference) {
    .logo:hover {
        animation: pulse 2s infinite;
    }
    
    @keyframes pulse {
        0%, 100% {
            filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
        }
        50% {
            filter: drop-shadow(0 15px 40px rgba(0, 0, 0, 0.15));
        }
    }
}
