*{
    box-sizing:border-box;
    background-color:white;
  }

.header_all{
    margin-left:20px;
    background-color:white;
}



h1{
    color: rgb(0, 0, 255);
    font-family:"Gothic Medium BBB","Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","メイリオ","ＭＳ Ｐゴシック";
    font-weight: 100;
    font-size: 26px;   
    letter-spacing:0.2px;
    line-height : 120%;
}


.mgr{
    margin-right:15px;
}


.contents{
    margin:150px 20px 20px 20px;
}   

.contents .thumb{
    width:100%;
    
}


.title{
    color: rgb(0, 0, 255);
    font-family:"Gothic Medium BBB","Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","メイリオ","ＭＳ Ｐゴシック";
    font-weight: 100;
    font-size: 26px;   
    letter-spacing:0.2px;
    line-height : 120%;
    margin-bottom: 0px;
}

.title2{
    margin-top:10px;
}

img{
    width: 100%;
    margin:5px 0 20px 0;
}


video{
    width: 100%;
    margin:5px 0 20px 0;
}


.back{
    color: rgb(0, 0, 255);
    font-family:"Gothic Medium BBB","Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","メイリオ","ＭＳ Ｐゴシック";
    font-weight: 100;
    font-size: 26px;   
    letter-spacing:0.2px;
    line-height : 120%;
    margin-top: 100px;
    margin-bottom: 50px;
    margin-left: 20px;
}

.back:hover{
    color: rgb(157, 157, 255);
}

footer{
    margin-left:20px;
}


@media (max-width: 670px) {
    
    h1{
        color: rgb(0, 0, 255);
        font-family:"Gothic Medium BBB","Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","メイリオ","ＭＳ Ｐゴシック";
        font-weight: 100;
        font-size: 22px;   
        letter-spacing:0.2px;
        line-height : 120%;
    }

    .title{
        color: rgb(0, 0, 255);
        font-family:"Gothic Medium BBB","Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","メイリオ","ＭＳ Ｐゴシック";
        font-weight: 100;
        font-size: 22px;   
        letter-spacing:0px;
        line-height : 120%;
        margin-bottom: 0px;
    }

  h2{
        color: rgb(0, 0, 255);
        font-family:"Gothic Medium BBB","Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","メイリオ","ＭＳ Ｐゴシック";
        font-weight: 100;
        font-size: 22px;   
        letter-spacing:0px;
        line-height : 120%;
        margin-bottom: 0px;
    }

    .header_all{
        margin-left:10px;
    }
    
    .contents{
        margin:150px 10px 10px 10px;
    }   

.back{
    font-size: 22px;   
    margin-left: 10px;
}

img{
    width: 100%;
    margin:5px 0 10px 0;
}

video{
    width: 100%;
    margin:5px 0 10px 0;
}

footer{
    margin-left:10px;
}
}


@media (min-width: 800px) {
    .work2{
        width:50%;
        float:left;
        flex-wrap:wrap;
        display:flex;
        padding:10px;
        margin-left:-10px;
    }

    .work3{
        width:50%;
        float:right;
        display:inline-block;
        flex-wrap:flex;
        padding:10px;
        margin-right:-10px;
    }
}