body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: url('image/background-1.png') no-repeat center center fixed;
    background-size: cover;
    color: white;
    overflow-x: hidden;
}

#music-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    z-index: 1000;
    display: none;
}

#hero {
    position: relative;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

#hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition: transform 0.5s ease-out;
}

#content {
    position: relative;
    min-height: 200vh;
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
}

#circle-container {
    position: relative;
    width: 500px;
    height: 500px;
    animation: rotate 20s linear infinite;
}

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

    to {
        transform: rotate(360deg);
    }
}

.avatar {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    top: 50%;
    left: 50%;
    transform: rotate(calc(var(--angle))) translateX(250px) translate(-50%, -50%);
    opacity: 0;
    transition: opacity 1s;
}

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

.avatar::after {
    content: attr(data-name);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%) rotate(calc(-1 * var(--angle)));
    font-size: 14px;
    text-align: center;
    color: white;
}

#center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: bold;
    color: white;
    z-index: 10;
    opacity: 0;
    transition: opacity 1s;
}

.visible .avatar {
    opacity: 1;
}

.visible #center-text {
    opacity: 1;
}

#gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding: 100px 20px;
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transition: opacity 1s;
}

.profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.profile img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 10px;
}

.profile h3 {
    margin: 10px 0;
    color: white;
    font-size: 18px;
}

.profile p {
    color: white;
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
}

.visible~#gallery {
    opacity: 1;
}

#introduction {
    padding: 100px 20px;
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 18px;
}

#introduction h2 {
    margin-bottom: 20px;
    font-size: 32px;
}