@charset "utf-8";

/* ---------------------------------- main */
/*
	main visual
*/
.main-visual {
    /* overflow: hidden; */
    position: relative;
    width: 100%;
}

.main-visual .main-visual__slick__item {
    position: relative;
    height: 520px;
    text-align: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}

@media screen and (min-width: 1200px) {
    .main-visual .main-visual__slick__item {
        height: 884px;
    }
}

.main-visual__slick__item1 {
    background-image: url(/html/_skin/seil/img/main/bg_main_visual01.jpg);
}

.main-visual__slick__item2 {
    background-image: url(/html/_skin/seil/img/main/bg_main_visual02.jpg);
}

.main-visual__slick__item3 {
    background-image: url(/html/_skin/seil/img/main/bg_main_visual03.jpg);
}

.main-visual__slick .visual-text {
    display: inline-block;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    padding-left: 3.125rem;
    padding-right: 3.125rem;
    font-size: 0;
    -webkit-transform: translateX(-50%)translateY(-50%);
    -ms-transform: translateX(-50%)translateY(-50%);
    transform: translateX(-50%)translateY(-50%);
}

@media screen and (min-width: 1200px) {
    .main-visual__slick .visual-text {
        width: 1180px;
        padding-left: 0;
        padding-right: 0;
    }
}

.main-visual__slick .visual-text>div {
    display: inline-block;
    vertical-align: top;
}

.main-visual__slick .visual-text .text-inner {
    width: 100%;
}

.main-visual__slick .visual-text h1 {
    z-index: 111;
    font-weight: 700;
    font-size: 3rem;
    color: #fff;
    word-break: keep-all;
    letter-spacing: -2px;
}

.main-visual__slick .visual-text p {
    z-index: 111;
    font-weight: 300;
    font-size: 1rem;
    /* line-height: 1.5; */
    color: #fff;
    word-break: keep-all;
    letter-spacing: -1px;
    margin-top: 1.325rem;
}

@media screen and (min-width: 768px) {
    .main-visual__slick .visual-text h1 {
        font-size: 4rem;
    }

    .main-visual__slick .visual-text p {
        font-size: 1.25rem;
    }
}

@media screen and (min-width: 992px) {
    .main-visual__slick .visual-text h1 {
        font-size: 5rem;
    }

    .main-visual__slick .visual-text p {
        font-size: 1.5rem;
        margin-top: 2.4375rem;
    }
}

.main-visual__slick .slick_txt * {
    position: relative;
    transition: font-size 0.5s;
    opacity: 0;
}

/* visual pager */
.main-visual .slick-dots {
    position: absolute;
    top: 50%;
    right: 60px;
    bottom: auto;
    width: 50px;
    text-align: center;
    font-size: 0;
    line-height: 0;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}

.main-visual .slick-dots li {
    display: block;
    margin-bottom: 1.875rem;
    width: auto;
    height: auto;
    text-align: right;
}

.main-visual .slick-dots li button {
    display: inline-block;
    width: auto;
    height: auto;
    padding-right: 10px;
    line-height: 1;
    padding: 0;
    margin: 0;
    background: none;
    transform-origin: center;
    text-align: right;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.125rem;
    font-weight: 500;
    color: #fff;
}

.main-visual .slick-dots li button:before {
    content: '';
    display: inline-block;
    top: auto;
    left: auto;
    right: -11px;
    bottom: -10px;
    width: 40px;
    height: 4px;
    background-color: rgba(255, 255, 255, .5);
    opacity: 1;
    -webkit-transition: .8s all;
    -ms-transition: .8s all;
    transition: .8s all;
}

.main-visual .slick-dots li.slick-active button:before {
    width: 50px;
    background-color: #00a6b6;
}

.main-visual .slick-prev:before,
.main-visual .slick-next:before {
    content: '';
    display: block;
}

/* main visual scroll down btn */
.scroll-down-wrap {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 80px;
    text-align: center;
    z-index: 10;
}

.scroll-down-btn {
    display: inline-block;
    height: 100%;
    font-weight: 500;
    color: #fff;
    font-size: 1.125rem;
}

.scroll-down-btn__arrow {
    position: relative;
    display: block;
    width: 100%;
    height: 65px;
    margin-top: 1.25rem;
    background-image: url(/html/_skin/seil/img/main/ico_scroll_down.png);
    background-repeat: no-repeat;
    background-position: calc( 50% + 1px) bottom;
    overflow: hidden;
    transition: height, .5s;
    animation-iteration-count: infinite;
    animation-duration: 1.5s;
    animation: bounce 3s ease infinite;
    transform-origin: 50% 50%;
}

.scroll-down-btn__arrow:after {
    content: '';
    position: absolute;
    top: 0;
    left: calc(50% - 1px);
    display: inline-block;
    width: 4px;
    height: calc(100% - 5px);
    background-color: #00a6b6;
    transition: opacity, .5s;
}

.scroll-down-btn:hover .scroll-down-btn__arrow {
    height: 13px;
}

.scroll-down-btn:hover .scroll-down-btn__arrow:after {
    opacity: 0;
}

@media screen and (min-width:768px) {
    .scroll-down-btn__arrow {
        height: 80px;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/*
	main contents
*/
.main-section {
    padding: 11.5rem 0;
    text-align: center;
}

.main-conts-title {
    position: relative;
    margin-bottom: 1rem;
    font-weight: 700;
    font-size: 3rem;
    font-family: 'Rajdhani', sans-serif;
    line-height: 1;
    word-break: keep-all;
}

.main-hgroup__sub-descript {
    color: #666;
    font-weight: 300;
    font-size: 1.25rem;
    line-height: 1.4;
    word-break: keep-all;
}

@media screen and (max-width:1200px) {
    .main-section {
        padding: 60px 0;
    }

    .main-conts-title {
        font-size: 2.5rem;
    }

    .main-hgroup__sub-descript {
        padding: 0 30px;
        font-size: 1rem;
    }
}

@media screen and (max-width:767px) {
    .main-section {
        padding: 50px 0;
    }

    .main-conts-title {
        font-size: 2rem;
    }

    .main-conts-title:before {
        margin-left: -25px;
        width: 50px;
    }

    .main-hgroup__sub-descript {
        margin-bottom: 30px;
        font-size: .875rem;
    }
}


/* section01 */
.main-product {
    background-image: url(/html/_skin/seil/img/main/bg_main_product_section.jpg);
    background-size: cover;
    background-position: center center;
}

/* section01 > main-product-card */
.main-product-card {
    margin-top: 3.75rem;
    padding-right: 2.625rem;
    padding-left: 2.625rem;
    font-size: 0;
    text-align: center;
}

@media screen and (min-width:768px) {
    .main-product-card {
        padding-right: 5.625rem;
        padding-left: 5.625rem;
        text-align: left;
    }
}

@media screen and (min-width:992px) {
    .main-product-card {
        padding-right: 10.625rem;
        padding-left: 10.625rem;
    }
}

/* section01 > main-product-card > main-product-card__item */
.main-product-card__item {
    display: inline-block;
    padding-left: 10px;
    padding-right: 10px;
    font-size: 1rem;
    opacity: 0;
}

@media screen and (min-width:768px) {
    .main-product-card .main-product-card__item {
        width: 50%;
    }
}

@media screen and (min-width:1201px) {
    .main-product-card .main-product-card__item {
        width: 25%;
        margin-bottom: 0;
    }
}

/* section01 > main-product-card > main-product-card__item > main-product-card-link */
/* link and thumb */
.main-product-card .main-product-card-link {
    position: relative;
    display: block;
    margin-bottom: 1rem;
    text-align: center;
}

.main-product-card__item__figure {
    display: inline-block;
    width: 100%;
    height: 100%;
    line-height: 0;
}

.main-product-card__item__figure-img-wrap {
    display: block;
    position: relative;
    margin: 0 auto;
    text-align: center;
    overflow: hidden;
    /* background-color: #fff; */
}

.main-product-card__item__figure-img-wrap>img {
    max-height: 320px;
    -webkit-transition: transform .6s ease;
    -ms-transition: transform .6s ease;
    transition: transform .6s ease;
}

/* image changes when mouse over */
.main-product-card-link:hover .main-product-card__item__figure-img-wrap>img {
    -webkit-transform: scale(1.15);
    -ms-transform: scale(1.15);
    transform: scale(1.15);
}

/* border of img wrap when mouse over */
.main-product-card__item__figure-img-wrap .line {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 4px solid;
    border-bottom: none;
    border-image-source: linear-gradient(to bottom right, #0060bd, #00a6b6);
    border-image-slice: 20;
    opacity: 0;
    transition: opacity, .2s;
}

.main-product-card-link:hover .main-product-card__item__figure-img-wrap .line {
    opacity: 1;
}

/* product card item caption */
.main-product-card__item__figure-caption {
    width: 100%;
    height: 80px;
    padding-right: 1rem;
    padding-left: 1rem;
    background-color: #000;
    font-size: 1rem;
    color: #fff;
    line-height: 76px;
    /* transition: all .2s ease-in; */
}

@media screen and (min-width: 768px) {
    .main-product-card__item__figure-caption {
        font-size: 1.25rem;
    }
}

.main-product-card__item__figure-caption>span {
    display: inline-block;
    vertical-align: middle;
    line-height: 1.25;
}

.main-product-card-link:hover .main-product-card__item__figure-caption {
    -webkit-background-image: linear-gradient(to right, #0060bd, #00a6b6);
    -ms-background-image: linear-gradient(to right, #0060bd, #00a6b6);
    background-image: linear-gradient(to right, #0060bd, #00a6b6);
}

/* product card item more btn */
.main-product-card__item .btn-more {
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    transform: translateY(-0%);
    -webkit-background-image: linear-gradient(to right, #0060bd, #00a6b6);
    -ms-background-image: linear-gradient(to right, #0060bd, #00a6b6);
    background-image: linear-gradient(to right, #0060bd, #00a6b6);
    opacity: 0;
    z-index: 1;
    transition: opacity, .2s;
}

.main-product-card__item .btn-more__ic {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background-image: url(/html/_skin/seil/img/common/ico_plus_white.png);
    background-position: center center;
    background-repeat: no-repeat;
    transition: transform, .3s;
}

/* btn of img wrap when mouse over */
.main-product-card__item .main-product-card-link:hover .btn-more {
    opacity: 1;
}

.main-product-card__item .main-product-card-link:hover .btn-more__ic {
    transform: rotate(360deg);
}

/* --------------------
    main-technology
---------------------- */
.main-technology {
    position: relative;
    background-image: url(/html/_skin/seil/img/main/bg_technology_default.jpg);
    background-color: #030f1c;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    transition: background, 1s;
    -webkit-transition: background, 1s;
    -ms-transition: background, 1s;
}

@media screen and (min-width:1181px) {
    .main-technology {
        padding-top: 0;
        padding-bottom: 0;
    }
}

.main-technology .main-hgroup,
.main-technology .main-hgroup__sub-descript {
    color: #fff;
    z-index: 10;
}

@media screen and (min-width:1181px) {
    .main-technology .main-hgroup {
        position: absolute;
        top: 11.25rem;
        left: 50%;
        transform: translateX(-50%);
        -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
    }
}

.main-technology__type {
    max-width: 1180px;
    margin-top: 3.75rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 0;
}

@media screen and (min-width:1181px) {
    .main-technology__type {
        margin-top: 0;
    }
}

.main-technology__type-item {
    position: relative;
    display: block;
    width: 100%;
    padding-top: 3.75rem;
    padding-left: 3.75rem;
    padding-bottom: 3.75rem;
    padding-right: 3.75rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 1rem;
    text-align: center;
    color: #fff;
    word-break: keep-all;
}

@media screen and (min-width:768px) {
    .main-technology__type-item {
        width: 50%;
    }
}

@media screen and (min-width:1181px) {
    .main-technology__type-item {
        display: inline-block;
        width: 33.333%;
        padding-top: 27.0625rem;
        padding-bottom: 12.6875rem;
    }
}

.main-technology__type-item__figure {
    /* To be above the background (bg-black) */
    position: relative;
    z-index: 10;
}

@media screen and (min-width:1181px) {
    .main-technology__type-item__figure {
        width: auto;
        transition: transform, .3s;
        -webkit-transition: transform, .3s;
    }

    .main-technology__type-item:hover .main-technology__type-item__figure {
        transform: translateY(-20%);
        -webkit-transform: translateY(-20%);
    }
}

.main-technology__type-item .bg-black {
    content: '';
    display: inline-block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #030f1c;
    opacity: 0;
    z-index: 1;
    transition: opacity, .3s;
}

.main-technology__type-item:hover .bg-black {
    opacity: 0.6;
}

@media screen and (min-width:1181px) {
    .main-technology__type-item .bg-black {
        height: 0;
    }

    .main-technology__type-item:hover .bg-black {
        height: 100%;
    }
}

/* .main-technology__type-item__figure > tit */
.main-technology__type-item__figure-tit {
    padding-bottom: 2.125rem;
    font-size: 1.25rem;
}

@media screen and (min-width:768px) {
    .main-technology__type-item__figure-tit {
        font-size: 1.5rem;
    }
}

/* .main-technology__type-item__figure > img */
.main-technology__type-item__figure-img {
    display: inline-block;
    padding-bottom: 2.75rem;
    min-height: 146px;
}

.main-technology__type-item__figure-img .img-hover {
    display: none;
}

@media screen and (min-width:768px) {
    .main-technology__type-item:hover .img-nonhover {
        display: none;
    }

    .main-technology__type-item:hover .img-hover {
        display: block;
    }
}

/* .main-technology__type-item__figure > figcpation */
.main-technology__type-item__figure-caption {
    padding-left: 2rem;
    padding-right: 2rem;
    line-height: 1.5;
    font-size: 0.875rem;
}

@media screen and (min-width: 768px) {
    .main-technology__type-item__figure-caption {
        padding-left: 0rem;
        padding-right: 0rem;
        font-size: 0.9375rem;
    }
}

/* .main-technology__type-item__figure > figcpation > btn */
.main-technology__type-item .btn-gradient {
    /* To be above the background (bg-black) */
    position: relative;
    z-index: 10;
    display: inline-block;
    width: 100%;
    padding: 1rem .5rem;
    margin-top: 2.5rem;
    -webkit-background-image: linear-gradient(to right, #0060bd, #00a6b6);
    -ms-background-image: linear-gradient(to right, #0060bd, #00a6b6);
    background-image: linear-gradient(to right, #0060bd, #00a6b6);
    color: #fff;
}

.main-technology__type-item:hover .btn-gradient {
    opacity: 1;
}

@media screen and (min-width:768px) {
    .main-technology__type-item .btn-gradient {
        max-width: 160px;
        transform: skewX(-15deg);
    }

    .main-technology__type-item .btn-gradient>span {
        display: inline-block;
        transform: skewX(15deg);
    }
}

@media screen and (min-width:992px) {
    .main-technology__type-item .btn-gradient {
        opacity: 0;
        transition: opacity, .5s;
        -webkit-transition: opacity, .5s;
        -ms-transition: opacity, .5s;
    }
}

@media screen and (min-width:1181px) {
    .main-technology__type-item:hover .btn-gradient {
        transform: skewX(-15deg)translateY(-100%)translateX(-5%);
        -webkit-transform: skewX(-15deg)translateY(-100%)translateX(-5%);
    }
}

/* main-box-wrap */
.main-box-wrap .inc-board {
    max-width: 760px;
    margin: 0 auto;
}

.main-box-wrap .inc-board .basic-board-list,
.main-box-wrap .inc-board .webzine-board-list {
    table-layout: auto;
}


@media screen and (min-width:480px) {
    .main-box-wrap .inc-board .basic-board-list .board-date {
        width: 19%;
    }
}

@media screen and (min-width:411px) {
    .basic-board-list tbody td.board-subject {
        padding-left: 10%;
        width: 70%;
    }
}


@media screen and (max-width:410px) {
    .basic-board-list tbody td.board-subject {
        padding-left: 0;
        width: 100%;
    }
}



.main-news .tab-nav {
    padding-top: 1.5rem;
    padding-bottom: 2.5rem;
}

.main-news .tab-nav__item {
    padding-left: 15px;
    padding-right: 15px
}

.main-news .tab-nav__item>a {
    position: relative;
    font-size: 1.5rem;
    color: #666;
}

.main-news .tab-nav__item .on:after {
    content: '';
    display: inline-block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    border-top: 3px solid #0054a6;
}

.main-news .tab-nav__item .on {
    color: #0054a6;
}

/* main-box-wrap */
.main-box-wrap {
    margin-left: -15px;
    margin-right: -15px;
}

@media screen and (min-width:768px) {
    .main-box-wrap {
        padding-top: 0;
        padding-bottom: 0;
    }
}

/* main-news */
.main-news {
    padding-top: 6.875rem;
}

/* main-box-wrap__right */
.main-box-wrap__right {
    margin-right: 0;
    margin-left: 0;
}
.main-box-wrap__right>[class^="col-"] {
    padding-left: 0;
    padding-right: 0;
}

.main-box-wrap__right .main-hgroup>* {
    color: #fff;
}

.main-box-wrap__right .main-hgroup .main-conts-title {
    font-size: 2.25rem;
    font-family: 'Noto Sans KR', sans-serif;
}

.main-box-wrap__right .main-hgroup__sub-descript {
    font-size: 1rem;
}

@media screen and (min-width:1601px) {
    .main-box-wrap__right .main-hgroup .main-conts-title {
        font-size: 2.25rem;
    }

    .main-box-wrap__right .main-hgroup__sub-descript {
        font-size: 1.25rem;
    }
}

.main-box-wrap__right__article {
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    align-items: center;
    -webkit-align-items: center;
    background-repeat: no-repeat;
    background-size: cover;
}

@media screen and (min-width:768px) {
    .main-box-wrap__right__article {
        min-height: 470px;
    }
}

.main-box-wrap__right__article>a {
    display: block;
    padding: 2.5rem 2rem;
}

@media screen and (min-width:576px) {
    .main-box-wrap__right__article>a {
        padding-top: 5rem;
        padding-right: 3.75rem;
        padding-bottom: 5rem;
        padding-left: 3.75rem;
    }
}

@media screen and (min-width:768px) {
    .main-box-wrap__right__article>a {
        padding-top: 0;
        padding-left: .5rem;
        padding-bottom: 0;
        padding-right: .5rem;
    }
}

.main-box-wrap__right__article .main-hgroup,
.main-box-wrap__right__article>a [class^="btn-"] {
    transition: transform, .4s;
    -webkit-transition: transform, .4s;
}

.main-box-wrap__right__article>a .main-hgroup {
    -webkit-transform: translateY(50%);
    transform: translateY(50%);
}

.main-box-wrap__right__article>a:hover .main-hgroup {
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.main-box-wrap__right__article>a [class^="btn-"] {
    opacity: 0;
}
.main-box-wrap__right__article>a [class^="btn-"]:hover {
    border-color: #fff;
    color: #fff;
}


@media screen and (max-width:767px) {
    .main-box-wrap__right__article>a:hover .main-hgroup {
        -webkit-transform: translateY(10%);
        transform: translateY(10%);
    }

    .main-box-wrap__right__article>a [class^="btn-"] {
        margin-top: 1rem;
    }
}

.main-box-wrap__right__article>a:hover [class^="btn-"] {
    opacity: 1;
}

.main-box-wrap__right__article>a:hover [class^="btn-"] {
    transform: translateY(50%);
    -webkit-transform: translateY(50%);
}

.main-box-wrap__right__article>a:hover [class^="btn-"] {
    transform: translateY(0);
    -webkit-transform: translateY(0);
}

@media screen and (min-width:992px) {
    .main-box-wrap__right__article>a [class^="btn-"] {
        transform: skewX(-15deg)translateY(50%);
        -webkit-transform: skewX(-15deg)translateY(50%);
    }

    .main-box-wrap__right__article>a:hover [class^="btn-"] {
        opacity: 1;
        transform: skewX(-15deg)translateY(0);
        -webkit-transform: skewX(-15deg)translateY(0);
    }
}

.main-recruit {
    background-image: url(/html/_skin/seil/img/main/bg_main_recruit.jpg);
}

.main-catalog {
    background-image: url(/html/_skin/seil/img/main/bg_main_catalog.jpg);
}

.main-quality-system {
    background-image: url(/html/_skin/seil/img/main/bg_main_quality_system.jpg);
}