/**
 * 画面右端固定「初めての方へ」ボタン
 */

.bl_sideFirstBtn {
    position: fixed;
    right: 0px;
    top: 68%;
    transform: translateY(-50%);
    z-index: 100;
    display: block;
    transition: opacity 0.3s ease;
}

.bl_sideFirstBtn:hover {
    opacity: 0.8;
}

.bl_sideFirstBtn.is_hidden {
    opacity: 0;
    pointer-events: none;
}

.bl_sideFirstBtn img {
    display: block;
    width: auto;
    height: auto;
    max-height: 120px;
}

/* Tablet */
@media screen and (min-width: 768px) {
    .bl_sideFirstBtn {
        right: 16px;
        top: auto;
        bottom: 40px;
        transform: none;
    }

    .bl_sideFirstBtn img {
        max-height: 180px;
    }
}

/* PC */
@media screen and (min-width: 1024px) {
    .bl_sideFirstBtn {
        right: 24px;
    }

    .bl_sideFirstBtn img {
        max-height: 200px;
    }
}