.wow {
    visibility: hidden;
}

/* 서브 비주얼 */

.sub-visual {
    position: relative;
    overflow: hidden;
    height: 400px;
}

.sub-visual .inner {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.sub-visual .bg {
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    opacity: 1;
    transform: scale(1.3);
}

.sub-visual.active .bg {
    opacity: 1;
    transform: scale(1) rotate(0.01deg);
    transition: transform 5s ease .3s, opacity 2s ease 1s;
}

.sub-visual._greeting {
    background-image: url(../img/page/visual_1.jpg);
}

.sub-visual._science {
    background-image: url(../img/page/visual_2.jpg);
}

.sub-visual._pipeline {
    background-image: url(../img/page/visual_3.jpg);
}

.sub-visual._status {
    background-image: url(../img/page/visual_4.jpg);
}

.sub-visual .tit {
    z-index: 2;
    opacity: 0;
    width: 100%;
    color: #fff;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
}

.sub-visual.active .tit {
    -webkit-mask-image: linear-gradient(-70deg, rgba(0, 0, 0, 0) 47.5%, rgba(0, 0, 0, 1) 52.5%);
    -webkit-mask-size: 250% 100%;
    animation: reveal 7s cubic-bezier(0.230, 1.000, 0.320, 1.000) both;
    animation-delay: 0s; /* 바로 실행 */
}

.sub-visual .txt {
    opacity: 0;
    width: 100%;
    color: #fff;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
}

.sub-visual.active .txt {
    -webkit-mask-image: linear-gradient(-70deg, rgba(0, 0, 0, 0) 47.5%, rgba(0, 0, 0, 1) 52.5%);
    -webkit-mask-size: 250% 100%;
    animation: reveal 7s cubic-bezier(0.230, 1.000, 0.320, 1.000) both;
    animation-delay: 0.5s; /* 1초 후 실행 */
}

.sub-visual ._box {
    z-index: 2;
}

.sub-visual .tit h2 {
    margin-top: 60px;
    margin-bottom: 0 !important;
    font-size: 54px !important;
    font-weight: 600;
}

.sub-visual .txt {
    margin-bottom: 0 !important;
    font-size: 19px !important;
}

/* */

@keyframes reveal {
    0% {
        -webkit-mask-position: 100%;
        opacity: 0;
    }

    100% {
        -webkit-mask-position: 0;
        opacity: 1;
    }
}

/* 공통 */

#ctt {
    padding: 0 !important;
}

h3.fs-3 {
    color: var(--bs-primary);
    line-height: 1.5;
    letter-spacing: -0.9px;
}

#ctt_con ul li {
    padding: 2px 0;
    line-height: 1.7;
}

#ctt_con p {
    font-size: 20px;
    font-weight: 300;
    line-height: 1.7;
}

#ctt_con .table thead th {
    border-top: 1px solid #64D0CB;
    background-color: #F4F4F4;
}

#ctt_con .table th,
#ctt_con .table td {
    padding: 14px .5rem;
    vertical-align: middle;
}

#ctt_con .table tbody th,
#ctt_con .table td {
    font-size: 14px;
}

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

/* MISSION & VISION */

.ctt_overview .circle {
    width: 320px;
    height: 320px;
    background-color: #4B6CBD;
    border-radius: 999px;
}

/* 히스토리 */

.history_top {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: #00247d;
    font-size: 1.5em;
    text-align: center;
    color: #fff;
    border-radius: 999px;
}

.timeline {
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 100%;
    margin: 50px auto;
    font-size: 1em;
}

.timeline .timeline-icon {
    position: absolute;
    width: 18px;
    height: 18px;
    left: 50%;
    margin-top: 10px;
    margin-left: -9px;
    border: 3px solid rgba(0, 36, 125, 1); /* 테두리만 흐리게 */
    border-radius: 100%;
    background-color: #fff; /* 배경은 완전 불투명한 흰색 */
    text-align: center;
}

.timeline .timeline-icon.timeline-icon-hide-border {
    border: 0;
}

.timeline .timeline-icon.timeline-icon-hide-border i[class~=fa] {
    margin-left: 0;
    margin-top: 0;
}

.timeline .timeline-icon.timeline-icon-hide-border img {
    margin-left: 0;
    margin-top: 0;
}

.timeline .timeline-icon i[class~=fa] {
    display: inline-block;
    width: 32px;
    height: 32px;
    margin-left: -4px;
    margin-top: -4px;
    vertical-align: bottom;
    line-height: 32px;
    text-align: center;
    font-size: 30px;
}

.timeline .timeline-icon img {
    display: inline-block;
    width: 32px;
    height: 32px;
    margin-left: -4px;
    margin-top: -4px;
    vertical-align: bottom;
    line-height: 32px;
    text-align: center;
    font-size: 30px;
}

.timeline .timeline-icon img {
    border-radius: 100%;
}

.timeline .timeline-content {
    position: relative;
    width: 46%;
    padding-bottom: 50px;
    line-height: 20px;
}

.timeline .timeline-content .bar_count {
    margin-bottom: 10px;
    font-size: 1.8em;
    font-weight: 700 !important;
    color: #00247d;
}

.timeline .timeline-content ul li {
    font-size: 1.1em;
}

.timeline .timeline-content ul li span {
    font-size: 0.9em;
    color: #666;
}

.timeline .timeline-content ul li.bottom {
    overflow: hidden;
    width: 100%;
    height: 200px;
    margin-top: 50px;
}

.timeline .timeline-content ul li.bottom img {
    overflow: hidden;
    border-radius: 10px;
}

.timeline::before {
    position: absolute;
    width: 1px;
    height: 100%;
    top: 10px;
    left: 50%;
    margin-left: -1px;
    background-color: #eee;
    content: ""
}

.timeline.timeline-alternating .timeline-block:nth-of-type(2n + 1) .timeline-content {
    text-align: right
}

.timeline.timeline-alternating:not([class~=timeline-left]) [class~=timeline-block]:nth-of-type(2n) [class~=timeline-content] {
    left: 54%
}

/* 자문단 소개 */

.ctt_advisory .circle {
    width: 320px;
    min-height: 380px;
    padding: 20px;
    border: 3px solid #AEAEAE;
    border-radius: 10px;
}

.ctt_advisory .circle p {
    font-weight: 600 !important;
    color: #00247D;
} 

.ctt_advisory img {
    width: 120px;
}

.ctt_advisory .list-unstyled li {
    position: relative;
    padding: 0 0 0 9px !important;
}

.ctt_advisory .list-unstyled li:after {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    display: block;
    width: 2px;
    height: 2px;
    background-color: #323443;
}

/* Contact */

.ctt_contact .circle {
    width: 320px;
    height: 450px;
    padding: 30px 20px;
    border: 1px solid #011938;
}

.ctt_contact .circle p {
    font-size: 14px !important;
    font-weight: 500 !important;
}

/* 사업분야 */

.lst-busi > div {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 270px;
    height: 300px;
    color: #fff;
}

.lst-busi > div::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* 어두운 반투명 배경 */
    z-index: 0;
}

.lst-busi > div > * {
    position: relative;
    z-index: 1;
}

.lst-busi div:nth-child(1) {
    background-image: url(../img/page/busi_1.png);
}

.lst-busi div:nth-child(2) {
    background-image: url(../img/page/busi_2.png);
}

.lst-busi div:nth-child(3) {
    background-image: url(../img/page/busi_3.png);
}

.lst-busi div:nth-child(4) {
    background-image: url(../img/page/busi_4.png);
}


/* board */

#bo_category {
    display: none;
}

.bod-top {
    margin-top: 70px;
}

#bo_list_wrap,
#bo_w,
#bo_v {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 0 70px;
}

#bo_list {
    font-size: 14px;
    font-weight: 500;
}

@media (min-width: 768px) {
    ._w05 {
        width: 5%;
    }

    ._w10 {
        width: 10%;
    }

    ._w15 {
        width: 15%;
    }

    ._w20 {
        width: 20%;
    }

    ._w25 {
        width: 25%;
    }

    ._w30 {
        width: 30%;
    }
    
    ._w40 {
        width: 40%;
    }

    ._w50 {
        width: 50%;
    }
}