.center_title {
    text-align: center;
    margin: 10px auto 40px auto;
    font-size: 3em;
}




/* mb2 */

.mb2 {}

.mb2 .box_cont {
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    border-radius: 10px;
    padding: 80px 0;
}

.mb2 .box_cont:after {
    content: '';
    clear: both;
    display: table;
}

.mb2 .box_cont .box {
    float: left;
    width: 29.33%;
    margin: 1% 2%;
    text-align: center;
    border: 3px solid #fff;
    transition: 0.3s;
}

.mb2 .box_cont .box:hover {
    transform: scale(1.05, 1.05);
}

.mb2 .box_cont .box img {
    width: 80%;
    margin: 0 10%;
}

.mb2 .box_cont .box .txt_box {
    padding-top: 5px;
}

.mb2 .box_cont .box h4 {
    font-size: 2.5em;
    font-weight: 400;
    margin-top: 30px;
}

.mb2 .box_cont .box p {
    font-size: 1.3em;
    font-weight: 300;
    margin-top: 10px;
    line-height: 1.65em;
    color: #666;
}

.mb2 .box_cont .box a {
    display: inline-block;
    font-size: 1.15em;
    font-weight: 700;
    margin-top: 25px;
    color: #fff;
    border: 2px solid #ad434c;
    transition: 0.3s;
    padding: 7px 0 9px 0;
    width: 180px;
    background: #ad434c;
    letter-spacing: 2px;
}

.mb2 .box_cont .box a:hover {
    background: none;
    color: #ad434c;
}

@media screen and (max-width:992px) {
    .mb2 .box_cont {
        padding: 30px 0;
    }

    .mb2 .box_cont .box p {
        font-size: 1.0em;
    }

    .mb2 .box_cont .box p {
        margin-top: 15px;
    }

    .mb2 .box_cont .box a {
        margin-top: 20px;
    }
}

@media screen and (max-width:550px) {
    .mb2 .box_cont .box img {
        width: 110px;
        margin: 0 auto;
    }

    .mb2 .box_cont .box h4 {
        margin-top: 15px;
        font-size: 1.8em;
    }

    .mb2 .box_cont .box p {
        font-size: 1.2em;
        display: none;
    }

    .mb2 .box_cont .box p {
        margin-top: 10px;
    }

    .mb2 .box_cont .box a {
        margin-top: 15px;
        font-size: 1.0em;
        width: 95px;
        text-align: center;
        letter-spacing: 0;
    }
}


/* mb3 */

.mb3 {
    background: url('/theme/IDEN02/img/mb3_bg.jpg')no-repeat center #444 fixed;
    background-size: Cover;
    padding: 150px 0;
}

.mb3 .wid {
    max-width: 1200px;
    margin: 0 auto;
    text-align: Center;
}

.mb3 h2 {
    color: #fff;
    font-size: 1.8em;
    letter-spacing: 3px;
    font-weight: 400;
}

.mb3 h1 {
    font-size: 4em;
    color: #fff;
    margin-top: -5px;
}

.mb3 p {
    color: #fff;
    font-size: 2em;
    margin-top: 30px;
    line-height: 1.7em;
    word-break: keep-all;
}

.mb3 a {
    display: inline-block;
    padding: 9px 25px 11px 25px;
    background: none;
    color: #ffd25c;
    border: 2px solid #f9c949;
    margin: 0 2px;
    margin-top: 35px;
    font-size: 1.3em;
    transition: 0.3s;
}

.mb3 a:hover {
    background: #d5b359;
    color: #fff;
    border: 2px solid #d5b359;
}

@media screen and (max-width:550px) {
    .mb3 {
        padding: 80px 20px;
    }

    .mb3 h1 {
        font-size: 2.5em;
    }

    .mb3 h2 {
        font-size: 1.45em;
    }

    .mb3 p {
        font-size: 1.1em;
        margin-top: 20px;
    }
}


/* mb4 */

.mb4 {
    padding: 100px 0;
    background: #f6f6f6;
}

.mb4 .wid {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.mb4 .wid:after {
    content: '';
    clear: both;
    display: table;
}

.mb4 h2 {
    color: #888;
    font-size: 1.8em;
    letter-spacing: 3px;
    font-weight: 400;
}

.mb4 h1 {
    font-size: 4em;
    color: #444;
    margin-top: -5px;
}

.mb4 .box {
    float: left;
    width: 23%;
    margin: 1%;
    margin-top: 40px;
}

.mb4 .box img {
    width: 100%;
}

.mb4 h3 {
    font-size: 1.5em;
    margin-top: 15px;
    color: #222;
}

.mb4 p {
    font-size: 1.2em;
    margin-top: 15px;
    color: #666;
    line-height: 1.6em;
}

@media screen and (max-width:992px) {
    .mb4 .box {
        float: left;
        width: 48%;
    }
}

@media screen and (max-width:550px) {
    .mb4 {
        padding: 80px 0;
    }

    .mb4 h1 {
        font-size: 2.5em;
    }

    .mb4 h2 {
        font-size: 1.45em;
    }

    .mb4 h3 {
        font-size: 1.3em;
    }

    .mb4 p {
        font-size: 1.0em;
    }

    .mb4 p br {
        display: none;
    }
}


/* mb5 */

.mb5 {
    background: #fafafa;
}

.mb5 .wid {
    /* padding: 80px 10px; */
    padding: 80px 10px;
}

.mb5 .wid:after {
    content: '';
    display: table;
    clear: both;
}

.mb5 .box1 {
    float: left;
    width: 100%;
    margin: 1% 0;
    /* padding: 0px 4%; */
}

@media screen and (max-width:992px) {}

@media screen and (max-width:550px) {
    .mb5 {
        margin-top: 20px;
    }

    .mb5 .wid {
        padding: 60px 10px;
    }

    .mb5 .box1 {
        padding: 0px;
    }

}

.mb6 {
    background: #fff;
}

.mb6 .wid {
    /* padding: 80px 10px; */
    padding: 80px 10px;
}

.mb6 .wid:after {
    content: '';
    display: table;
    clear: both;
}

.mb6 img {
    display: block;
    width: 100%;

}

.contact_title {
    font-size: 2.6em;
}

.contact_cat {
    font-size: 2.4em;
}

.contact_desc {
    font-size: 2em;
    margin-bottom: 10px;
}

.mb6 .contact_btn {
    text-align: center;
    display: block;
    margin: 0 auto;
    font-size: 1.6em;
    font-weight: 400;
    margin-top: 25px;
    color: #fff;
    border: 2px solid #ad434c;
    transition: 0.3s;
    padding: 7px 0 9px 0;
    width: 180px;
    background: #ad434c;
    letter-spacing: 2px;
}

.mb6 .contact_btn:hover {
    background: none;
    color: #ad434c;
}


@media screen and (max-width:576px) {
    .center_title {
        font-size: 2.5em;
    }

    .contact_title {
        font-size: 2.1em;
    }

    .contact_cat {
        font-size: 1.9em;
    }

    .contact_desc {
        font-size: 1.7em;
        word-break: keep-all;
    }

    .mb6 .row .col-md-6:last-child {
        margin-top: 20px;
    }
}


.sec_about .wid {
    max-width: 1200px;
    margin: 0 auto 60px auto;
    text-align: center;
}

.sec_about h1 {
    font-size: 2.5em;
    color: #ad434c;
    font-weight: 500;
}

.sec_about h3 {
    font-size: 1.25em;
    font-weight: 300;
    color: #666;
    margin-top: 15px;
    line-height: 28px;
}

.sec_about p {
    font-size: 1.6em;
    font-weight: 300;
    color: #666;
    margin-top: 15px;
    line-height: 28px;
    text-align: left;
    word-break:keep-all;
    margin-bottom: 20px;
}

.sec_about h3 b {
    background: #d63c29;
    color: #fff;
    padding: 0 5px;
    font-weight: 400;
}

.sec_about h3 strong {
    text-decoration: underline;
    text-underline-position: under;
    color: #d63c29;
    font-weight: 500;
}

.sec_about .yarnimg {
    display: block;
    width: 80%;
    margin: 0 auto;
    border-radius: 50%; 
}

#intro .busi_bpx p {
    color: #f2762c;
}

@media screen and (max-width:1200px) {
    .sec_about img {
        width: 100%;
    }

    .sec_about .yarnimg {
        width: 50%;
        margin-bottom: 10px;
    }

    .sec_about .col-sm-3 {
        margin-bottom: 20px;
    }
}

@media screen and (max-width:576px) {
    .sec_about h1 {
        font-size: 1.8em;
    }

    .sec_about h3 {
        font-size: 0.9em;
    }

    .sec_about p {
        font-size: 1.2em;
    }
}


/* 연혁 */



.history {
	max-width:1200px;
	margin: 0 auto;
	display: flex;
	padding: 120px 0 120px 0;
    box-sizing: border-box;
	overflow: hidden;
}

.history_left {
	width: 50%;
	display: flex;
    flex-wrap: wrap;
	align-content: flex-start;
	gap: 20px;
}

.history_left img {
	display: block;
	width: 100%;
}

.history_left .history_img {
	width: 100%;
}

.history_left .history_img.img2, .history_img.img3 {
	width: calc(100% / 2 - 10px);
}

.history_right {
	width: 50%;
	padding-left: 80px;
    box-sizing: border-box;
}

.history_section {
	width: 100%;
	box-sizing: border-box;
}

.history_detail {
	width: 100%;
}

.history_detail h2 {
	font-size:2.4em;
	color:#353aac;
	
}
.history_wrap {
	border-left:1px solid #ccc;
}
.history_item {
	padding-left: 50px;
	position: relative;
	margin-bottom: 40px;
}

.history_item:before {
	position: absolute;
	left: 0; 
	top: 0;
	content:'';
	display: block;
	width: 20px;
	height: 20px;
	background-color: #ad434c;
	border-radius:100%;
	transform: translate(-50%, 40%);
}

.history_item h2 {
	font-size: 2em;
    margin-bottom: 20px;
	color:#ad434c;
    text-align: left;
}

.history_item p {
	font-size: 1.6em;
    font-weight: 400;
    line-height: 1.6em;
	word-break:keep-all;
    margin: 0;
    position: relative;
    padding-left:15px;
}

.history_item p::before {
    position: absolute;
    content:'-';
    left: 0;
    top: 0;
}

@media screen and (max-width:1199px) {
    .sec_about {
        padding-left: 10px;
        padding-right: 10px;
    }
}

@media screen and (max-width:992px) {
	.history {
		padding:120px 20px 120px 20px;
	}
}

@media screen and (max-width:550px) {


    .history {
        flex-wrap: wrap;
        padding: 30px 20px 45px 20px;
    }

	.history_left {
		width: 100%;
	}
	.history_right {
		width: 100%;
		/* padding-left: 50%; */
		padding-left: 10px;
		margin-top: 60px;
	}	
	.history_item h2 {
		font-size: 1.6em;
	}
	.history_item p {
		font-size: 1.2em;
		line-height: 1.3em;
	}
}

@media screen and (max-width:360px) {
	.history_item h2 {
		font-size: 1.3em;
	}
	.history_item p {
		font-size: 1em;
		line-height: 1.1em;
	}	
}