@charset "utf-8";
.First__box {
    width: 96%;
    margin-right: auto;
    margin-left: auto;
}
.First__box h3 {
    margin-top: 5%;
    margin-bottom: 1%;
}

.First__box .img-mg-01 {
    float: right;
    margin-left: 15px;
    width: 35%;
}
.First__box .txt-box {
    text-align: left;
    margin-bottom: 10%;
    width: 98%;
    margin-right: auto;
    margin-left: auto;
}