.content {
    width: 70%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.inner_container {
    display: flex;
    flex-direction: row;
    gap: 1rem;
}

#homepage_image {
    height: 40vh;
}

#homepage_image_2 {
    width: 70%;
}

#homepage_imageself {
    height: 50vh;
    margin-bottom: -1rem;
}

.marquee {
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0) 1%, rgba(0, 0, 0, 1) 10%, rgba(0, 0, 0, 1) 90%, rgba(0, 0, 0, 0) 99%);
    -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0) 1%, rgba(0, 0, 0, 1) 10%, rgba(0, 0, 0, 1) 90%, rgba(0, 0, 0, 0) 99%);
}

.about_me {
    font-size: 0.9em;
    line-height: 1.3em;
    border-left: 1.5px solid darkgrey;
    border-right: 1.5px solid darkgrey;
    padding-left: 1.5em;
    padding-right: 1.5em;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer {
    padding-top: 0;
}

.image_tab_mobile {
    width: 100vw;
    display: none;
}

@media only screen and (max-width: 480px), only screen and (max-device-width: 480px) {
    
    .content {
        margin-top: 9em;
        width: 100%;
    }

    .image_tab_pc {
        display: none;
    }

    .inner_container {
        flex-direction: column;
        justify-content: center;
    }

    h1 {
        font-size: 2.5em;
    }

    #homepage_image {
        width: 100%;
    }

    .about_me {
        font-size: 0.8em;
        line-height: 2em;
        text-align: center;
        border: 0;
    }

    .about_me p {
        width: 90%;
        margin-right: 5%;
        margin-left: 5%;
    }

    .about_me p {
        margin-bottom: 2em;
    }
    
    #image_tab_pc {
        display: none;
    }

    .marquee {
        scale: 2;
        width: 50%;
    }

    .image_tab_mobile {
        display: block;
    }
}