/* =============================
   OpenBid Home - cleaned responsive CSS
   기준: 메인/홈페이지 전용
   ============================= */

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
}

body {
    background-color: #f5f5f5;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul,
li {
    margin: 0;
    padding: 0;
    list-style: none;
}

#wrap {
    position: relative;
    width: 100%;
    min-height: 100%;
}

/* 공통 유틸 */
.fg-main { color: #d01912 !important; }
.font-inherit { font-size: inherit; color: inherit; }
.mt20 { margin-top: 20px !important; }
.mt50 { margin-top: 50px !important; }
.mb40 { margin-bottom: 40px !important; }
.pt20 { padding-top: 20px !important; }
.ptb30 { padding-top: 30px !important; padding-bottom: 30px !important; }
.ptb50 { padding-top: 50px !important; padding-bottom: 50px !important; }
.plr10 { padding-left: 10px !important; padding-right: 10px !important; }
.ft13 { font-size: 13px !important; }
.ft15 { font-size: 15px !important; }
.ft16 { font-size: 16px !important; }
.ft20 { font-size: 20px !important; }
.pc-only { display: block; }
.mobile-only { display: none; }

/* Header */
.header-section {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 2000;
    background: #fff;
}

.header-section .header-box,
.content-section .main-content-inner,
.content-section .content-box,
.layout-fix {
    width: 100%;
    max-width: 1440px;
    padding-left: 20px;
    padding-right: 20px;
    margin: 0 auto;
}

.header-section .header-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-section .header-nav {
    height: 70px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.header-section .header-logo,
.layout-fix .footer-logo {
    height: 35px;
}

.header-section .header-logo-title,
.layout-fix .footer-logo-title {
    font-size: 30px;
    color: #000;
}

.header-section .header-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 30px;
}

.header-section .header-menu .item {
    font-size: 20px;
    color: #111;
}

.header-section .chat-list-inner {
    position: relative;
}

.header-section .chat-list-box {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    padding-top: 8px;
    cursor: pointer;
}

.header-section .chat-list-inner:hover .chat-list-box {
    display: block;
}

.header-section .chat-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 120px;
    padding: 10px;
    border: 1px solid #000;
    border-radius: 4px;
    background-color: #fff;
}

.header-section .chat-item a {
    height: 30px;
    display: flex;
    align-items: center;
    gap: 5px;
    color: #111;
}

.header-section .chat-img {
    height: 20px;
}

.header-section .chat-title {
    color: #000;
}

/* Main visual */
.content-section {
    width: 100%;
}

.content-section .main-box {
    width: 100%;
    position: relative;
    margin-bottom: 30px;
}

.content-section .main-box video {
    width: 100%;
	height: 500px;
    object-fit: cover;	
}

.content-section .main-content-abs {
    position: absolute;
    inset: 0;
    width: 100%;
}

.content-section .main-content-inner {
    height: 100%;
}

.content-section .main-container-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
}

.content-section .main-content-inner-left {
    flex: 5;
    min-width: 0;
    height: 100%;
    padding-right: 40px;
    padding-bottom: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.main-content-inner-box {
    margin-top: 85px;
}

.main-content-inner-item-title {
    font-size: 30px;
    color: #f1f1f1;
}

.main-content-inner-item-sub-title {
    margin-top: 5px;
    font-size: 20px;
    color: #fff;
}

.main-content-em-box {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 5px;
    background-color: #fff;
    font-size: 20px;
    color: #111;
}

.main-content-em-box .naver-api {
    margin-left: 6px;
    font-size: inherit;
    color: #d01912;
}

.main-content-bottom-box-caption {
    font-size: 26px;
    color: #fff;
    text-decoration: underline !important;
    text-underline-position: under !important;
}

.content-section .main-content-inner-right {
    flex: 5;
    min-width: 0;
}

/* Swiper - one instance only */
.ad-item-list {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.ad-item-list .main-swiper {
    width: 100%;
    max-width: 100%;
    max-height: 380px;
    border-radius: 20px;
    overflow: hidden;
}

.ad-item-list .main-swiper img {
    width: 100%;
    height: auto;
    border-radius: 20px;
}

.ad-item-list .ad-item-list-pagination {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: auto;
}

/* Content */
.content-section .content-box {
    display: flex;
    align-items: center;
    flex-direction: column;
}

.summary-box {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    /*width: 100%;*/
    padding: 40px;
    margin-bottom: 30px;
    border-radius: 20px;
    background-color: #fff;
}

.summary-box .summary-title {
    margin-bottom: 15px;
    font-size: 36px;
    color: #000;
    text-align: center;
}

.summary-box .summary-list {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.summary-box .summary-item {
    font-size: 20px;
    color: #000;
}

.summary-box .free-use-btn-box {
    padding-top: 36px;
}

.free-use-btn,
.content-section .content-box .free-use-btn {
    width: 500px;
    max-width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 0;
    border-radius: 5px;
    background-color: #111;
    color: #fff;
    font-size: 20px;
}

.content-section .full-width {
    width: 100%;
}

.content-section .full-width.white {
    background-color: #fff;
}

.content-section .img-box {
    width: 100%;
}

.content-section .img-box img,
.summary-box img {
    width: 100%;
}

/* Program intro */
.program-intro-box {
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 25px;
    background-color: #fff;
}

.program-intro-caption {
    padding: 20px 0;
    border-bottom: 4px solid #d01912;
    font-size: 36px;
    text-align: center;
}

.program-intro-inner {
    display: flex;
    width: 100%;
    padding: 35px 0;
}

.program-intro-explain {
    flex: 4;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 20px;
}

.program-intro-title {
    font-size: 20px;
}

.program-intro-sub-title {
    margin-top: 5px;
    font-size: 20px;
    color: #3f7df1;
}

.program-intro-sub-item {
    margin-top: 30px;
}

.program-intro-image {
    flex: 6;
    padding: 30px;
    background-color: #ddd;
}

.program-intro-image img {
    width: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.program-plus-box {
    display: flex;
    align-items: center;
    justify-content: center;
}

.program-plus {
    margin-left: -280px;
}

.program-explain-content-subject-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.program-explain-content-subject-list li {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.program-explain-content-subject-list-title {
    display: flex;
    align-items: flex-start;
    gap: 0.3em;
    color: #000;
    font-size: 15px;
}

.program-explain-content-subject-list-subject {
    display: flex;
    align-items: flex-start;
    gap: 0.3em;
    padding-left: 20px;
    color: #222;
    font-size: 13px;
}

.program-explain-content-subject-list-title .bullet,
.program-explain-content-subject-list-subject .bullet {
    flex-shrink: 0;
}

.program-explain-content-subject-list-title .bullet {
    margin-top: 3px;
}

/* Footer */
.layout-fix {
    position: relative;
}

.layout-fix .footer-logo-box {
    position: absolute;
    left: 20px;
    top: 0;
    width: 220px;
    display: flex;
    align-items: center;
    gap: 5px;
    text-align: center;
}

.layout-fix .right {
    margin-left: 310px;
    overflow: hidden;
}

.layout-fix .right .text {
    line-height: 20px;
    font-size: 13px;
    color: #333;
}

.layout-fix .right .line {
    width: 1px;
    height: 10px;
    display: inline-block;
    margin: 0 10px;
    overflow: hidden;
    background: #bebebe;
}

.layout-fix .right .copy {
    margin-top: 20px;
    font-size: 11px;
    color: #666;
}

/* Tablet */
@media (max-width: 1024px) {
    .header-section .header-box {
        flex-direction: column;
        align-items: center;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .header-section .header-nav {
        height: 50px;
    }

    .header-section .header-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .header-section .header-menu .item {
        font-size: 16px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .pc-only {
        display: none !important;
    }

    .mobile-only {
        display: block !important;
    }

    .header-section .header-logo-title,
    .layout-fix .footer-logo-title {
        font-size: 24px;
    }
	
    .content-section .main-box video {
		height: 430px;
        min-height: 430px;
    }

    .content-section .main-container-flex {
        flex-direction: column;
        justify-content: center;
        gap: 20px;
    }

    .content-section .main-content-inner-left {
        flex: none;
        width: 100%;
        height: auto;
        padding: 0 !important;
        justify-content: flex-start;
		margin-top:-30px;
    }

    .main-content-inner-box {
        margin-top: 10px !important;
    }

    .content-section .main-content-inner-right {
		margin-top:10px !important;
        flex: none;
        width: 100%;
		
    }

    .main-content-em-box {
		display:flex;
		justify-content:center;
        font-size: 13px !important;
		padding:5px 5px !important;
		width:100%;
    }

    .main-content-inner-item-title {
        font-size: 15px;
    }

    .main-content-inner-item-sub-title {
        font-size: 13px;
    }

    .main-content-bottom-box-caption {
        margin-top: 20px;
        font-size: 13px !important;
    }

    .ad-item-list .ad-item-list-pagination {
        bottom: -28px;
    }

    .summary-box {
        padding: 20px 10px;
    }

    .summary-box .summary-title {
        font-size: 18px;
    }

    .summary-box .summary-list {
        gap: 5px;
    }

    .summary-box .summary-item {
        font-size: 13px;
    }

    .summary-box .free-use-btn-box {
        display: none;
    }

    .free-use-btn,
    .content-section .content-box .free-use-btn {
        width: 100%;
        font-size: 15px;
        padding: 10px;
    }

    .program-intro-caption {
        font-size: 20px !important;
    }

    .program-intro-inner {
        flex-direction: column;
        padding: 0;
    }

    .program-intro-explain {
        padding: 20px 15px;
    }

    .program-intro-image {
        padding: 15px;
    }

    .program-plus {
        margin-left: 0 !important;
    }

    .program-plus img {
        height: 60px !important;
    }

    .program-explain-content-subject-list {
        gap: 10px;
    }

    .program-explain-content-subject-list-title {
        gap: 10px;
        font-size: 13px;
    }

    .program-explain-content-subject-list-subject {
        font-size: 11px;
    }

    .program-explain-content-subject-list-title .bullet,
    .program-explain-content-subject-list-subject .bullet {
        margin-top: 0;
    }

    .layout-fix .footer-logo-box {
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        justify-content: center;
        margin-bottom: 20px;
    }

    .layout-fix .right {
        margin-left: 0;
        text-align: center;
    }

    .layout-fix .right .text {
        font-size: 12px;
    }

    .layout-fix .right .line {
        margin: 0 5px;
    }
}


/* 프로그램들 소개 및 이미지 */
.program-intro-box{background-color:#fff;border-radius: 25px; overflow: hidden; display: flex; flex-direction:column; width: 100%;  /*height: 300px;  (선택사항) 박스 높이를 지정하면 이미지가 더 예쁘게 정렬됩니다 */}
.program-intro-caption{font-size:36px;text-align:center;padding:20px 0;border-bottom:4px solid #d01912;}
.program-intro-inner{display:flex;width: 100%;padding:35px 0;}
.program-intro-explain{flex: 4; display: flex; flex-direction: column; justify-content: flex-start; padding: 20px; }
.program-intro-title{font-size:20px;}
.program-intro-sub-title{font-size:20px;color:#3f7df1;margin-top:5px;}
.program-intro-sub-item{margin-top:30px;}
.program-intro-image {flex:6; padding:30px;background-color:#ddd;}

.program-intro-image img {width: 100%; /* height: 100%;*/ object-fit: cover; display: block;border-radius:10px;}

.program-plus-box{display:flex;align-items:center;justify-content:center;}
.program-plus{margin-left:-280px;}

/*FAQ*/
.content-section .tab-list{width:100%;display:flex;align-items:center;gap:20px;justify-content:center;padding:40px 0;}
.content-section .tab-list .tab-item{height:40px;padding:0 20px;border-radius:40px;border:1px solid #ddd;background-color:#fff;color:#111;font-size:15px;display:flex;align-items:center;}
.content-section .tab-list .tab-item.active{border:1px solid #111;color:#fff;background-color:#111;}
.content-section .list{width:1440px;display:flex;flex-direction:column;margin:0 auto;min-height:400px;}
.content-section .list .loading-bar{display:flex;align-items:center;justify-content:center;background-color:#fff;min-height:400px;}
.content-section .list .loading-bar img{height:100px;}

.content-section .list .item{width:100%;display:flex;flex-direction:column;}
.content-section .list .item:last-child{border-bottom:1px solid #ccc;}
.content-section .list .item .item-header{display:flex;justify-content:space-between;border-top:1px solid #ccc;background-color:#fff;cursor:pointer;}
.content-section .list .item .item-header.clr{background-color:#fef8ef;}
.content-section .list .item .item-header .item-title{max-width:100%;min-width:0px;flex:1;width:auto;display:flex;align-items:center;gap:10px;padding:0 10px;height:50px;}
.content-section .list .item .item-header .item-column{max-width:100%;min-width:0px;flex:1;width:auto;display:flex;align-items:center;gap:3px;padding:10px;height:60px;flex-direction:column;}
.content-section .list .item .item-header .icon{font-size:18px;display:flex;align-items:center;}
.content-section .list .item .item-header .text{font-size:16px;color:#111;display:flex;align-items:center;justify-content:flex-start;width:100%;}
.content-section .list .item .item-header .date{font-size:12px;color:#ccc;display:flex;justify-content:flex-start;width:100%;}

.content-section .list .item .item-header.clr .text{color:#000;font-weight:500;}

.content-section .list .item .item-content{padding:20px;background-color:#f0f3ff;}
.content-section .list .item .item-content p{font-size:15px;line-height:2;}

.content-section .list .item .item-header .item-arrow{display:flex;align-items:center;padding:0 10px;}
.content-section .list .item .item-header .item-arrow img{height:30px;padding:6px 0}

/*사용방법*/
.naverad-tab-content .sticky-box{position:sticky;top:70px;padding:20px 0;background-color:#ffffff;z-index:999;}
.naverad-tab-content .help-image-close{position:absolute;bottom:0;right:0;}
.naverad-tab-content .help-image-close img{height:40px;}

.sticky-image-open{position:sticky;top:70px;background-color:#ffffff;z-index:999;display:flex;align-items:center; gap:5px;justify-content:flex-end;}
.sticky-image-open img{width:24px;}
.sticky-image-open span{font-size:14px;}

.content-box .manual-tab-list{display:flex;align-items:center;border-bottom:1px solid #ccc;gap:1px;width:100%;justify-content:center;align-items:self-end;}
.content-box .manual-tab-list .manual-tab-item{height:50px;padding:0 20px;border-top-right-radius:5px;border-top-left-radius:5px;display:flex;align-items:center;border:1px solid #ccc;border-bottom:none;background-color:#fff;color:#777;font-size:17px;}
.content-box .manual-tab-list .manual-tab-item.active{border:1px solid #000;background-color:#000;color:#fff;}

.content-box .border-black{border:1px solid #000; box-sizing: content-box !important;border-radius:10px;overflow:hidden;}

.content-box .manual-title-box{display:flex;align-items:center;justify-content:center;}
.content-box .manual-title-box .manual-title{font-size:22px;height:70px;background-color:#f1f1f1;padding:0 50px;display:flex;align-items:center;border-radius:10px;}

.border-tbl{border:1px solid #eee;width:100%;table-layout:fixed;}
.border-tbl tbody th{padding:10px 10px;text-align:left;background-color:#f7f7f7;border:1px solid #eee;color:#000;}
.border-tbl tbody th img{width:25px;}
.border-tbl tbody td{padding:10px 10px;text-align:left;background-color:#fff;border:1px solid #eee;color:#000;}


.pay-list{margin-top:15px;display:flex;gap:15px;justify-content:center;max-width:1440px;}
.pay-table-caption{background-color:#000;color:#fff;padding:8px 15px;font-size:16px;}
.pay-tbl{width:100%;table-layout:fixed;border:2px solid #000000;}
.pay-tbl thead th{padding:10px 0;background-color:#f0f0f0;border:1px solid #000000;color:#000;}
.pay-tbl tbody td{padding:10px 10px;background-color:#ffffff;border:1px solid #DFDFDF;text-align:center;color:#000;}
.pay-tbl.left tbody td{text-align:left;}

.main-content-inner-box{margin-top:85px;}
.main-content-inner-box-caption{font-size:26px; color:#fff;}

.main-content-bottom-box{}
.main-content-bottom-box-caption{font-size:26px;color:#fff;;text-decoration:underline !important;text-underline-position:under !important;}

.emphasis-txt{color:#d01912;font-size:inherit;}
.program-explain{}
.program-explain-section{width:100%;}
.program-explain-title-box{display:flex;align-items:center;gap:10px;background-color:#000;color:#fff;padding:10px 20px;/*border-radius:10px;*/margin-top:10px;}
.program-explain-title-box.f-between{justify-content:space-between;}
.program-explain-title-box .program-explain-title-logo{height:30px;display:flex;align-items:center;}
.program-explain-title-box .program-explain-title-caption{font-size:30px;color:#fff;display:flex;align-items:center;}
.program-explain-title-box .program-explain-title-caption-event{font-size:22px;color:#fff;}
.program-explain-content-box{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-top:10px;}
.program-explain-content-left{width:45%;}
.program-explain-content-image{width:55%;border:1px solid #000;border-radius:20px;overflow:hidden;}
.program-explain-content-title-box{display:flex;align-items:center;justify-content:center;margin-top:25px;margin-bottom:25px;}
.program-explain-content-title{border-bottom:2px solid #d01912;font-size:30px;background-color:#000;color:#fff;padding:5px 10px;border-radius:5px;width:35%;text-align:center;}
.program-explain-content-subject{margin-top:10px;}
.program-explain-content-subject-list{display:flex;flex-direction:column;gap:15px;}
.program-explain-content-subject-list li{display:flex;flex-direction:column;gap:5px;}
.program-explain-content-subject-list .program-explain-content-subject-list-title{color:#000;font-size:15px;display: flex;
    align-items: flex-start;
    gap: 0.3em;}
.program-explain-content-subject-list-title .bullet {
	margin-top:3px;
    flex-shrink: 0;  
}
.program-explain-content-subject-list .program-explain-content-subject-list-subject{color:#222;font-size:13px;padding-left:20px;display: flex;
    align-items: flex-start;
    gap: 0.3em;}
.program-explain-content-subject-list .program-explain-content-subject-list-subject  .bullet {
	margin-top:0px;
    flex-shrink: 0; 
}
.line-tab-list{display:inline-flex;align-items:center;gap:10px;justify-content:center;}
.line-tab-list .line-tab{border-bottom:2px solid #fff;padding:10px 20px;font-size:18px;color:#555;}
.line-tab-list .line-tab.active{border-bottom:2px solid #d01912;color:#d01912;}

.main-content-em-box{background-color:#fff;border-radius:5px;padding:5px 10px;font-size:20px;display:inline-flex;align-items:center;}
.main-content-em-box .naver-api{margin-left:6px;font-size:20px;color:#d01912;}