.mainSlider,
.navSlider {
    opacity: 0;
    translate: opacity 0.3s;
}

.mainSlider.slick-initialized,
.navSlider.slick-initialized {
    opacity: 1;
}

.navSlider {
    width: 1120px;
    margin: 10px auto;
}

.navSlider picture img {
    width: 100%;
}

.navSlider a {
    display: block;
    margin: 0 10px;
}

.slick-arrow {
    width: 25px;
    height: 80px;
    z-index: 10;
}

button.slick-prev.slick-arrow {
    left: calc((100vw - 840px) / 2);
    background-image: url("https://netshop.shimachu.co.jp/img/usr/fb/mainvisual/prev.png");
    background-position: center;
    background-repeat: no-repeat;
}

.slick-next.slick-arrow:before,
.slick-prev.slick-arrow:before {
    content: none;
}

button.slick-next.slick-arrow {
    right: calc((100vw - 840px) / 2);
    background-image: url("https://netshop.shimachu.co.jp/img/usr/fb/mainvisual/next.png");
    background-position: center;
    background-repeat: no-repeat;
}

#block_of_top_slide_A {
    height: 506px;
    margin-bottom: -110px;
}

.mainSlider {
    height: 400px;
}

@media screen and (max-width: 640px) {
    .isPc {
        display: none;
    }

    #block_of_top_body {
        position: relative;
        height: auto;
        margin-bottom: 0px;
    }

    #block_of_top_body::before {
        content: "";
        display: block;
        padding-bottom: 50%;
    }

    .mainSlider {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
    }

    .slick-prev, .slick-next {
        top: calc(50% - 10px);
    }
    .slick-dots {
        bottom: 10px;
    }

    .slick-dots li {
        margin: 0;
    }

    button.slick-prev.slick-arrow {
        left: calc((100vw - 375px) / 2);
        background-image: url("https://netshop.shimachu.co.jp/img/usr/fb/mainvisual/prev.png");
        background-position: center;
        background-repeat: no-repeat;
        opacity: 0.7;
    }

    button.slick-next.slick-arrow {
        right: calc((100vw - 375px) / 2);
        background-image: url("https://netshop.shimachu.co.jp/img/usr/fb/mainvisual/next.png");
        background-position: center;
        background-repeat: no-repeat;
        opacity: 0.7;
    }
    
    .slick-dots li button:before {
        font-size: 10px;
    }
    .mainSlider .slick-slide:not(.slick-center) {
        -webkit-filter: opacity(30%);
        -moz-filter: opacity(30%);
        -o-filter: opacity(30%);
        -ms-filter: opacity(30%);
        filter: opacity(30%);
        transition: 0.2s linear;
    }
}