/* 공통 */
.dot_bg {width: 100%; background: url('../img/dot_bg.jpg');}
.con1300 {width: 1300px; margin: 0 auto;}
.sub_h1 {font-family: 'Oxanium', cursive; font-weight: 600; color:#000; font-size: 16px; letter-spacing: 16px; text-transform: uppercase;}

/*Content CSS*/
#about {padding-top: 60px; overflow: hidden;}
#about .top_btn {width: 1300px; margin: 0 auto 60px;}
#about .top_btn ul {display: flex; justify-content: center;}
#about .top_btn ul li {width: 180px; margin-right: 20px; text-align: center;}
#about .top_btn ul li:last-child {margin-right: 0;}
#about .top_btn ul li a {width: 100%; display: block; padding-bottom: 15px; border-bottom: 2px solid #e0e0e0; font-family: 'NanumSquare',serif; font-size: 18px; letter-spacing: 0.9px; transition: all 0.3s; font-weight: 700;}
#about .top_btn ul li a:hover {border-bottom: 2px solid #ff1f25; }

#about_c1 {padding-bottom: 112px;}
#about_c1 .top {width: 100%; height: 450px;background: url('../img/about_c1_bg.jpg')no-repeat 50% 50%; background-size: cover; position: relative; padding-top: 100px; text-align: center;}
#about_c1 .top::before {width: 1px; height: 49px; background: #fff;  display: block; content: ""; position: absolute; bottom: 100px; left: 50%;}
#about_c1 .top h1 {font-size: 60px; font-family: 'Oxanium', cursive; color:#fff; margin-bottom: 10px; font-weight: 600; text-transform: uppercase;}
#about_c1 .top p {font-size: 17px; font-family: 'NanumSquare', sans-serif; color:#fff; line-height: 30px; font-weight: 300; word-break: keep-all;}
#about_c1 .txt {width: 1000px; padding: 60px 100px 0; background: #faf9f7; text-align: center; position: relative; z-index: 9; margin: 0 auto; margin-top: -120px;}
#about_c1 .txt p {margin-top: 30px; font-size: 17px; line-height: 30px; color:#777; word-break: keep-all; font-weight:400; font-family: 'NanumSquare', sans-serif;}


#about_c2 {width: 100%; background: url('../img/about_c2_bg.jpg')no-repeat 50% 50%; padding: 95px 0 110px; background-size: cover; text-align: center;}
#about_c2 .sub_h1 {color:#fff;}
#about_c2 .article {display: flex; justify-content: space-between; margin-top: 55px;}
#about_c2 .article .box {width: 400px; background: #fff; padding: 40px 40px 60px;}
#about_c2 .article .box h2 {font-family: 'Oxanium', cursive; position: relative; font-size: 20px; color:#000; font-weight: 600; margin-bottom: 55px;}
#about_c2 .article .box h2::before { width: 350px; height: 42px; background: #e7e6e5; display: block; content: ""; position: absolute; top: -11px; left:-60px;}
#about_c2 .article .box h2 span {position: relative; z-index: 3}
#about_c2 .article .box .icon {margin-bottom: 34px;}
#about_c2 .article .box .icon img {transition: all 0.5s;}
#about_c2 .article .box:hover .icon img {transform: rotateY(180deg);}
#about_c2 .article .box h1 {font-family: 'NanumSquare', sans-serif; font-size: 18px; font-weight: 700; color:#000; margin-bottom: 20px;}
#about_c2 .article .box h1::before {display: block; content: ""; width: 45px; height: 1px; background: #000; margin: 0 auto 20px;}
#about_c2 .article .box p {font-size: 14px; font-weight: 300; color:#666; line-height: 26px; letter-spacing: -0.56px; word-break: keep-all; font-family: 'NanumSquare', sans-serif;}


#about_c3 {padding: 100px 0 120px;}
#about_c3 .tit_box {width: 730px; margin: 0 auto 80px; background: #e7e6e5; padding:35px; text-align: center;}
#about_c3 .tit_box p {font-family: 'NanumSquare', sans-serif; font-size: 17px; color:#666; margin-top: 15px;}

#about_c3 .article { margin-top: 85px; position: relative; display: flex;}
#about_c3 .article::before {width:1px; height: 100%; background: #dedddb; position: absolute; top: 0; left: 50%; display: block; content: "";}
#about_c3 .article .left {width: 50%;}
#about_c3 .article .right {width: 50%; padding-top: 130px;}

#about_c3 .article .his_box {margin-bottom: 100px;}
#about_c3 .article .his_box h1 {font-family: 'NanumSquare', sans-serif; font-size: 30px; font-weight: 700; color:#000; padding-bottom: 20px; margin-bottom: 20px; position: relative; border-bottom: 1px solid #000;}
#about_c3 .article .his_box h1::before {width: 11px; height: 11px; border-radius: 50%; display: block;content: ""; background: #505050; box-shadow: 0 0 0 10px rgba(0,0,0,0.14);}
#about_c3 .article .left .his_box h1::before {position: absolute; top: 50px; right: -6px;}
#about_c3 .article .right .his_box h1::before {position: absolute; top: 50px; left: -5px;}
#about_c3 .article .right .his_box h1 {padding-left: 100px;}

#about_c3 .article .his_box .txt ul {display: flex; flex-wrap: wrap;}
#about_c3 .article .his_box .txt ul li {width: 50%; padding-left: 17px; position: relative; font-size: 15px; font-weight: 400; color:#666; line-height: 30px; letter-spacing: -0.3px; font-family: 'NanumSquare', sans-serif;}
#about_c3 .article .his_box .txt ul li::before {display: block; content: ""; width: 5px; height: 5px; background: #d7d6d4; position: absolute; top: 11px; left: 0;}
#about_c3 .article .right .his_box .txt ul {padding-left: 100px;}

/*margin-bottom*/
#about_c3 .article .left .his_box:nth-child(1) {}
/* #about_c3 .article .left .his_box:nth-child(2) {margin-bottom: 100px;} */
#about_c3 .article .left .his_box:nth-child(3) {margin-bottom: 205px;}
#about_c3 .article .left .his_box:nth-child(4) {margin-bottom: 130px;}
/* #about_c3 .article .left .his_box:nth-child(5) {margin-bottom: 100px;} */
/* #about_c3 .article .left .his_box:nth-child(6) {margin-bottom: 100px;} */

/* #about_c3 .article .right .his_box:nth-child(1) {margin-bottom: 100px;}
#about_c3 .article .right .his_box:nth-child(2) {margin-bottom: 100px;}
#about_c3 .article .right .his_box:nth-child(3) {margin-bottom: 100px;}
#about_c3 .article .right .his_box:nth-child(4) {margin-bottom: 100px;}
#about_c3 .article .right .his_box:nth-child(5) {margin-bottom: 100px;} */



#about_c4 {text-align: center; padding: 100px 0 115px;}
#about_c4 .sub_h1::after {width: 1px; height: 35px; background: #000; content: ""; display: block; margin: 30px auto;}

.cer_list {display: flex; flex-wrap:wrap;}
.cer_list li {margin-right: 35px; width: 228px; margin-bottom: 50px;}
.cer_list li:nth-child(5n) {margin-right: 0;}
.cer_list li:nth-last-child(-n+5) {margin-bottom: 0;}
.cer_list li a {display: block; position: relative; border:1px solid #ddd; overflow: hidden; transition: all 0.3s;}
.cer_list li a > img {width: 100%; }
.cer_list li a:hover {border: 1px solid #000;}
.cer_list li p {margin-top:20px; font-size:17px; font-weight: 400; color:#000; display: flex; align-items: flex-start; text-align: left; line-height: 28px; word-break: keep-all;
font-family: 'NanumSquare', sans-serif;}
.cer_list li p::before {content: ''; display: block; width: 5px; height: 5px; min-width: 5px; min-height: 5px; background: #ff1f25;  margin-right: 8px; position: relative; top:9px;}














@media screen and (max-width:1340px) {

}

@media screen and (max-width:1200px) {

}

@media screen and (max-width:1024px) {

}

@media screen and (max-width:768px) {

}

@media screen and (max-width:640px) {

}

@media screen and (max-width:480px) {


}

@media screen and (max-width:320px) {
}