.logo-container {
    display: inline-block;
    justify-content: center;
    position: relative;   
}

.logo-container img {
    display: block;
    width: 100%;
    opacity: 1;
    transition: opacity 0.3s ease-in-out;   
}

.logo-container:hover img {
    opacity: 0.5;
}


.logo-container::after {
    content: "返回主畫面";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out;
    font-size: 500%;
    color: white;
    font-family: DFKai-SB;
    z-index: -1;
}

@media screen and (max-width: 850px){
    .logo-container::after{
        content: "返回主畫面";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease-in-out;
        font-size: 250%;
        color: white;
        font-family: DFKai-SB;
        z-index: -1;
    }
}



.logo-container:hover::after {
    opacity: 1;
    visibility: visible;
}