.textbox{
    max-width: 420px;
}
#next_event h1{
    margin-bottom: 50px;
}

@media screen and (min-width: 769px) and (max-width: 1198px){
    .contbox{
        max-width: 1024px;
        width: 100%;
    }

    .textbox{
        box-sizing: border-box;
        padding-left: 20px;
        padding-right: 20px;
        max-width: 50%;
    }
    .contbox img{
        max-width: 50%;
    }
    .pan{
        box-sizing: border-box;
        padding-left: 20px;
        max-width: 1024px;
        width: 100%;
    }
    #archive_list {
        max-width: 1024px;
        width: 100%;
        margin: 0 auto;
        padding: 102px 0 76px;
    }

    #archive_list li {
        width: 30%;
    }

    #archive.detail .slide {
        max-width: 1024px;
        width: 100%;
    }
}