body {
    background-color: #000000;
    width: 100%;
    display: flex;
    flex-direction: column;
    font-weight: normal;
    font-stretch: normal;
    font-style: normal;
    letter-spacing: normal;
    text-align: center;
    justify-content: center;
    align-items: center;
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.33;
    color: #fff;
    margin-top: 30px;
    margin-bottom: 20px;
    margin-left: 0px;
    margin-right: 5px;
}

#body > img {
    height: 175px;
    object-fit: contain;
}
@media (max-width: 750px) {
    #body > img {
        height: 125px;
        object-fit: contain;
    }
}

#textsection {
    font-size: 18px;
    max-width: 600px;
    margin: 20px 20px 20px 20px;
    text-align: left;
}
@media (max-width: 750px) {
    #textsection {
        max-width: 350px;
        font-size: 14px;
    }
}

a {
    text-decoration: none;
    color: inherit;
}

.background {
    width: 100%;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: -1;
    object-fit: cover;
}

footer {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: normal;
    display: flex;
    flex-direction: column;
    width: 100%;
    justify-content: center;
    align-items: center;
    font-size: 14px;
}

@media (max-width: 750px) {
    footer {
        font-size: 12px;
    }
}

.desktop {
    display: none;
}

@media (min-width: 750px) {

    .desktop {
        display: initial;
    }

    .mobile {
        display: none;
    }
}