.cmnTop{
    background-image: url(../img/concept/bgTop.jpg);
}
@media only screen and (max-width:767px){
    .cmnTop {
        background: url(../img/concept/bgTop.jpg) 42% top /cover no-repeat;
    }
}

/*secConcept*/
.secConcept{
    overflow: hidden;
}
.secConcept .rigthBox,
.secConcept .leftBox{
    position: relative;
    height: 534px;
    margin: 60px auto 130px;
}
.secConcept .rigthBox .imgBox,
.secConcept .leftBox .imgBox{
    position: absolute;
    top: 0;
    margin-bottom: 10px;
}
.secConcept .rigthBox .imgBox{
    left: 0;
    padding-left: 660px;
}
.secConcept .leftBox .imgBox{
    left: -260px;
}
.secConcept .txtBox{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.secConcept .rigthBox .txtBox{
    left: 0;
}
.secConcept .leftBox .txtBox{
    left: 660px;
}
.secConcept .pt35{
    padding-top: 35px;
}
@media only screen and (max-width:767px){
    .secConcept{
        padding-top: 20px;
    }
    .secConcept .rigthBox,
    .secConcept .leftBox{
        width: 92%;
        height: auto;
        padding: 0;
        margin: 0 auto 50px;
    }
    .secConcept .rigthBox .imgBox,
    .secConcept .leftBox .imgBox,
    .secConcept .rigthBox .txtBox,
    .secConcept .leftBox .txtBox{
        position: relative;
        top: 0;
        left: 0;
        right: 0;
        padding: 0;
        transform: unset;
    }
    .secConcept .pt20{
        padding-top: 30px;
    }
}

/*secDetails*/
.secDetails{
    margin: 0 auto 100px;
    text-align: center;
}
.secDetails .boxImg{
    width: 100%;
}
.secDetails .boxImg img{
    width: 100%;
    max-width: 1720px;
    height: auto;
}
.secDetails .boxList{
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    margin: 50px auto 50px;
}
.secDetails .boxList li{
    width: 33.3%;
    flex-basis: 33.3%;
    padding: 40px 0;
    border-right: solid 1px #aaaaaa;
    list-style: none;
}
.secDetails .boxList li:first-child{
    border-left: solid 1px #aaaaaa;
}
.secDetails .boxList .tit{
    position: relative;
    padding-bottom: 30px;
    font-size: 17px;
    line-height: 1.5;
}
.secDetails .boxList .tit::after{
    content: "";
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: 40px;
    height: 3px;
    background: #0168b7;
}
.secDetails .boxList .txt{
    padding: 30px 20px 0;
    font-size: 14px;
    line-height: 2;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-align: left;
}
@media only screen and (max-width:767px){
    .secDetails{
        margin: 20px auto 0;
    }
    .secDetails .boxList{
        width: 92%;
        margin: 20px auto 50px;
        -webkit-flex-wrap: wrap;
        flex-wrap: wrap;
    }
    .secDetails .boxList li{
        width: 100%;
        height: auto;
        flex-basis: 100%;
        padding: 25px 0;
        border-right: none;
        border-bottom: solid 1px #aaaaaa;
    }
    .secDetails .boxList li:first-child{
        border-left: none;
    }
    .secDetails .boxList .tit{
        padding-bottom: 15px;
        font-size: 16px;
    }
    .secDetails .boxList .txt{
        padding: 15px 0 0;
        font-size: 12px;
    }
}