#course h2{
    margin: 80px 0 60px;
    padding-bottom: 1em;
    position: relative;
    font-size: 2.4rem;
}
#course h2::after{
    content: "";
    width: 100px;
    height: 2px;
    background: #111;
    position: absolute;
    bottom: 0;
    left: 0;
}
#course h3{
    font-size: 1.8rem;
}
#course p{
    margin: 1em 0;
    font-size: 1.6rem;
    font-family: var(--common-sans-serif);
    color: #666;
}
#course ul.course_list{
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}
#course ul.course_list li{
    cursor: pointer;
}
#course ul.course_list li .img img{
    display: block;
    border-radius: 8px;
    transition: box-shadow .2s;
}
#course ul.course_list li .txt .link{
    display: none;
}
#course .bannerlink a{
    width: 100%;
    padding: 1.5em 0;
    background: #f5f5f5;
    color: #111;
    font-family: sans-serif;
    font-size: 1.6rem;
    letter-spacing: .1em;
    text-decoration: none;
    text-align: center;
    display: block;
    position: relative;
    border-radius: 4px;
    transition: background .2s;
}
#course .bannerlink a::after{
    content: "\e5df";
    font-family: material icons;
    text-align: center;
    line-height: 16px;
    color: #fff;
    background: var(--common-red);
    width: 16px;
    height: 16px;
    display: block;
    position: absolute;
    top: calc(50% - 8px);
    right: 20px;
}
#course .bannerlink a.disabled{
    color: #999;
    cursor: default;
    pointer-events: none;
    opacity: .8;
}
#course .about .bannerlink a{
    border: 1px solid #bbb;
    border-radius: 8px;
}

#course .about{
    margin: 100px 0;
    padding: 80px 0;
    background: #fafafa;
}
#course .about h2{
    margin-top: 0;
}
#course .flex{
    display: flex;
    flex-direction: row;
    gap: 4vw;
}
#course .flex .set{
    flex: 1;
}
#course .flex .set * + .bannerlink{
    margin-top: 40px;
}
#course article{
    max-width: 1000px;
}
#course article h3{
    margin: 2em 0 1em;
    font-size: 2rem;
}
#course article figure{
    margin: 40px 0;
}
@media (pointer: fine) {
    #course .bannerlink a:hover{
        background: #eee;
    }
    #course .bannerlink a.disabled:hover{
        background: #f5f5f5;
    }
    #course ul.course_list li:hover .img img{
        box-shadow: 0 0 4px rgba(0,0,0,.2);
    }
    #course ul.course_list li:hover .txt h3{
        text-decoration: underline;
        color: var(--common-red);
    }
}
@media screen and (max-width: 1023.98px){}
@media screen and (max-width:767.98px){
    #course h2{
        padding-bottom: .75em;
        letter-spacing: 0;
    }
    #course h2::after{
        width: 80px;
    }
    #course h3{
        letter-spacing: 0;
        color: var(--common-red);
    }
    #course ul.course_list{
        grid-template-columns: 1fr;
        gap: 20px;
    }
    #course ul.course_list li{
        border: 1px solid #eee;
        border-radius: 8px;
        overflow: hidden;
    }
    #course ul.course_list li .img{
        width: 100%;
        height: 0;
        padding-top: 56.25%;
        position: relative;
        overflow: hidden;
    }
    #course ul.course_list li .img img{
        width: 100%;
        height: auto;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
        border-radius: 0;
    }
    #course ul.course_list li .txt{
        padding: 0 4vw 4vw;
    }
    #course ul.course_list li .txt .link{
        display: block;
    }
    #course ul.course_list li .txt .link a{
        color: #111;
    }
    #course .about{
        margin-bottom: 0;
    }
    #course .flex{
        flex-direction: column;
        gap: 20px;
    }
    #course .flex .set * + .bannerlink{
        margin-top: 20px;
    }
    
}