.slider {
    /*display: none;*/
    padding-bottom: 50px;
}

.prev-arrow {
    bottom: 0;
    left: 0;
}

.next-arrow {
    bottom: 0;
    left: 50px;
}

.slick-track {
    display: flex;
}

.slick-slide {
    height: auto !important;
}

.slider .useful_info_item {
    /*calc((100% - 24px * 3)/ 3)*/
    max-width: 100%;
    width: 100%;
    height: auto !important;
    position: relative;
    background-color: #fff;
    box-shadow: 0 2px 4px rgb(159 149 149 / 40%);
    border-radius: 24px;
    margin-left: 12px;
    margin-right: 12px;
    margin-bottom: 24px;
    overflow: hidden;
}

.slider .useful_info_item .card-item_footer {
    display: block;
    background-color: #fff;
    border-radius: 0 0 24px 24px;
    padding: 20px 24px;
    padding-top: 0;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    box-sizing: border-box;
}

.slider .useful_info_item .card-item_footer li {
    margin-right: 8px;
}

.slider .useful_info_item .card-item_footer::before {
    content: "";
    display: inline-block;
    position: absolute;
    width: 100%;
    height: 10px;
    top: -10px;
    left: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0, rgba(255, 255, 255, .680233) 40.1%, #fff 89.58%);
}

.slider .useful_info_item .card-item_footer ul {
    list-style: none;
    display: flex;
}

.slider .useful_info_item .card-item_body {
    padding: 24px;
}

.slider .useful_info_item .card-item_body .useful_info_title,
.slider .useful_info_item .card-item_body .useful_info_read {
    font-size: .875rem;
    line-height: 1.6em;
}

.slider .useful_info_item .card-item_body:before {
    bottom: 10px;
    border-radius: 0 0 24px 24px;
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 85px;
    left: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0, rgba(255, 255, 255, .680233) 40.1%, #fff 89.58%);
}

@media (max-width: 560px) {
    .slider {
        display: block;
    }

    .useful_info_items {
        display: none !important;
    }

    /*swipper test*/
    .swiper--wrapper {
        /* wrapperのサイズを調整 */
        width: 100%;
        height: 300px;
    }

    .swiper-slide {
        /* スライドのサイズを調整、中身のテキスト配置調整、背景色 */
        color: #ffffff;
        width: 100%;
        height: 100%;
        margin-left: 0 !important;
    }

    .swiper-btns {
        display: flex;
        justify-content: left;
        align-items: center;
    }

    .useful_info_items__block .swiper-scrollbar {
        position: relative !important;
        display: inline-block;
        width: calc(100% - 48px - 48px - 20px);
        margin-left: 20px;
        height: 6px;
        background-color: #fff;
    }

    .swiper-scrollbar-drag {
        background: #d61111;
    }
}

@media (min-width: 561px) {
    .useful_info_items__block .swipers1 .swiper-wrapper {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .useful_info_items__block .slider .useful_info_item {
        width: calc((100% - 24px * 3)/ 3);
    }

    .useful_info_items__block .swipers1 .swiper-btns {
        display: none;
    }

    .useful_info_items__block .slider .useful_info_item {
        margin-left: 0;
        margin-right: 0;
    }

    .swipers2 {
        overflow: hidden;
    }
    .useful_info_items__block .swipers2 .swiper-scrollbar {
        position: relative !important;
        display: inline-block;
        width: calc(100% - 48px - 48px - 20px);
        margin-left: 20px;
        height: 6px;
        background-color: #fff;
    }
    .swipers2 .swiper-scrollbar-drag {
        background: #d61111;
    }
    .swipers2 .swiper-btns {
        display: flex;
        justify-content: left;
        align-items: center;
    }
}