*{
    box-sizing: border-box;
}

html{
    width: 100%;
    height: 100%;
}

body{
    width: 100%;
    margin: 0;
}

img{
    width: 100%;
}

.contents-wrapper{
    width: 1200px;
    position: relative;
    margin: 0 auto;
}

.contents-wrapper .main-visual{
    position: relative;
}

.contents-wrapper .main-visual .link-button{
    position: absolute;
    display: block;
    width: 160px;
    height: 30px;
    border-bottom: 1px solid #000000;
    bottom: 281px;
    left: 400px;
    /* background-color: red; */
    opacity: 0.3;
}

@media screen and (max-width: 768px){
    .contents-wrapper{
        width: 375px;
    }

    .contents-wrapper .main-visual .link-button{
        width: 50px;
        height: 10px;
        border-bottom: 1px solid #000000;
        bottom: 90px;
        left: 125px;
        /* background-color: red; */
        opacity: 0.3;
    }
}