#key .txt {
    transform: translateY(-50%);
    height: 50%;
    left: 5%;
    margin-top: 15%;
}
#concept #sec1 {
    padding: 8% 0 10%;
}
#concept #sec1 .tit {
    margin: 0 3% 6%;
}
#concept #sec1 ul {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    margin: 0 3% 3%;
}
#concept #sec1 ul li {
    width: 25%;
}
#concept #sec1 ul li.photo2, #concept #sec1 ul li.photo3 {
    margin-top: 15%;
}
#concept #sec1 ul li.photo2 {
    margin-right: 4%;
}
#concept #sec1 .txt {
    margin: 0 5% 8%;
}
#concept #sec1 .photo {
    text-align: center;
}
#concept #sec1 .photo img {
    width: 38%;
}
#concept #sec2 {
    padding: 8% 0 10%;
    background: url(../img/shared/bg_box.jpg) center top repeat-y;
    background-size: 100%;
    position: relative;
}
#concept #sec2 .tit {
    margin: 0 5% 8%;
}
#concept #sec2 .sub-tit {
    margin: 0 12% 8%;
}
#concept #sec2 .art2 .sub-tit {
    margin: 0 12% 0%;
}
#concept #sec2 .photo {
    margin: 0 5% 8%;
}
#concept #sec2 .txt {
    margin: 0 5% 8%;
}
#concept #sec2 .art1, #concept #sec2 .art2 {
    margin-bottom: 10%;
}
#concept #sec2 .art1 .bx-wrapper img {
    width: 80%;
    margin: 0 auto;
}
#concept #sec2 .art3 .sub-tit {
    margin: 0 2% 5%;
}
#concept #sec2 .wrap-photo-top {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    align-items: flex-end;
    background: url(../img/concept/s2_bg02.png) top center no-repeat;
    background-size: 100%;
    padding: 5% 0 5%;
}
#concept #sec2 .wrap-photo-bot {
    background: url(../img/concept/s2_bg03.png) top center no-repeat;
    background-size: 100%;
    padding: 0.5% 0 11%;
}
#concept #sec2 .wrap-photo-bot .photo1 {
    width: 53.5%;
}
#concept #sec2 .btn-bg a {
    width: 90%;
}
#concept #sec3 {
    margin: 10% 0;
}
#concept #sec3 .tit {
    margin: 0 18% 5%;
}
#concept #sec3 .bx-wrapper {
    margin-bottom: 8%;
}
#concept #sec3 .txt {
    margin: 0 8% 8%;
}
#concept #sec3 .btn a {
    width: 90%;
}
#concept #sec4 .tit {
    background: url(../img/concept/s5_img.jpg) top center no-repeat;
    background-size: 100%;
    text-align: center;
    font-size: 5.2vw;
    letter-spacing: 4px;
    font-weight: 400;
    line-height: 2.5;
    padding: 8% 0 41%;
}
#concept #sec4 .tit .txt-vertical {
    text-align: left;
}
#concept .js_full .bx-wrapper .bx-pager {
    margin-top: 3%;
    position: relative;
}