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

body {
    background-color: #1a1a1a;
    color: #ffffff;
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

header {
    padding: 60px 20px;
    text-align: center;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-circle {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    animation: spin 10s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.logo-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.debut-event {
    text-align: center;
    padding: 60px 20px;
    background-color: #0f0f0f;
    margin-bottom: 60px;
    border-radius: 10px;
}

.debut-event h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.debut-event .date {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #ff6b6b;
    font-weight: bold;
}

.debut-event .location {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: #cccccc;
    font-style: italic;
}

.poster-placeholder {
    width: 100%;
    max-width: 600px;
    height: 800px;
    margin: 0 auto;
    background-color: #2a2a2a;
    border: 2px dashed #555555;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: #666666;
}

.ethos {
    padding: 60px 20px;
    text-align: center;
}

.ethos h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    letter-spacing: 3px;
}

.ethos p {
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    color: #cccccc;
}

.contact {
    padding: 60px 20px;
    text-align: center;
    margin-top: 60px;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    letter-spacing: 3px;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.social-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #2a2a2a;
    border-radius: 50%;
    color: #ffffff;
    transition: all 0.3s ease;
    border: 2px solid #3a3a3a;
}

.social-icon:hover {
    background-color: #ff6b6b;
    border-color: #ff6b6b;
    transform: scale(1.1);
}

.social-icon svg {
    width: 30px;
    height: 30px;
}

footer {
    text-align: center;
    padding: 40px 20px;
    background-color: #0f0f0f;
    margin-top: 80px;
    border-top: 1px solid #333333;
}

footer p {
    color: #888888;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .logo-circle {
        width: 180px;
        height: 180px;
    }

    .debut-event h2 {
        font-size: 2rem;
    }

    .debut-event .date {
        font-size: 1.4rem;
    }

    .poster-placeholder {
        height: 600px;
    }

    .ethos h2 {
        font-size: 2rem;
    }

    .contact h2 {
        font-size: 2rem;
    }

    .social-icon {
        width: 50px;
        height: 50px;
    }

    .social-icon svg {
        width: 25px;
        height: 25px;
    }
}