* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background: #3e3a39;
    background: linear-gradient(-45deg, #3e3a39, #2c2c2c, #4a4a4a, #3e3a39);
    background-size: 400% 400%;
    animation: gradientAnimation 8s ease infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

@keyframes gradientAnimation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    text-align: center;
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    max-width: 90vw;
    width: 500px;
}

.logo {
    max-width: 80%;
    height: auto;
    margin-bottom: 2rem;
    border-radius: 10px;
}

.message {
    font-size: 1.5rem;
    font-weight: 300;
    color: #fff;
    margin-bottom: 1rem;
}

.description {
    font-size: 1rem;
    color: #fff;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .message {
        font-size: 1.2rem;
    }
    
    .description {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }
    
    .message {
        font-size: 1.1rem;
    }
}