.works_img {
    width: 100%;
    background-image: url(/image/works0608.jpg);
    height: calc(40vw + 120px);
    background-position: center;
    position: relative;
    overflow: hidden;
    z-index: 0;
}

.works_img::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    background: inherit;
    filter: blur(10px);
    overflow: hidden;
    z-index: -1;
}

.works_img img {
    width: 40vw;
    margin: 0 auto;
    height: calc(40vw + 120px);
    object-fit: cover;
}
@media(max-width:1000px){
    .works_img {
        height: calc(70vw + 110px);
    }
    .works_img img {
        width: 80vw;
        height: calc(70vw + 120px);
    }
}