.bg_title {
    color: #fff;
    background-color: #a80000;
    padding-top: 100px;
}

.bg_wallpaper {
    color: #fff;
    background-color: #000000;
}

.title-page {
    text-align: center;
}

.logo-pump {
    position: absolute;
    top: 20px;
    right: 40px;
    max-width: 150px;
}

@media only screen and (max-width: 750px) {
    .bg_title {
        padding-top: 20vw;
    }
    .logo-pump {
        top: 5vw;
        right: 5vw;
        width: 30vw;
    }
}
.title-section {
    font-size: 2.4rem;
    border: solid 1px #fff;
    padding-top: 8px;
    padding-bottom: 8px;
    margin-bottom: 32px;
}

.wallpaperArea {
    text-align: center;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}
.wallpaper-sp {
    height: 50vw;
    max-height: 600px;
}

.button-download {
    color: #000;
    text-align: center;
    padding: 1em 0.5em;
    margin-top: 16px;
    margin-left: auto;
    margin-right: auto;
    background-color: #f8b62b;
    border: solid 1px #f8b62b;
    display: block;
    max-width: 10em;
    transition: 0.2s;
}
.button-download:hover {
    color: #f8b62b;
    background-color: #a80000;
}

.logo-heishin {
    width: 120px;
}