#main_content {
    width: 100%;
}


/* section1 */
.section1 {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.section1 > img {
    position: absolute;
    height: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: img_zoom 10s ease forwards;
}

@keyframes img_zoom {
    100% {
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.section1 .center {
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section1_txt {
    position: absolute;
    left: 0;
    bottom: 15vh;
}

.section1_txt p {
    overflow: hidden;
}

.section1_txt p span {
    opacity: 0;
    color: #fff;
}

p.k_t span {
    font-size: 28px;
    font-family: 'Pretendard-Light', sans-serif;
    display: block;
    transform: translateY(40px);
    animation: show_txt .7s linear forwards;
}

@keyframes show_txt {
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

p.e_t span {
    font-size: 50px;
    font-family: 'Cardo', serif;
    font-weight: 400;
    display: flex;
    align-items: baseline;
    line-height: 190px;
    transform: translateY(60px);
    animation: show_txt 1s .5s linear forwards;
}

p.e_t span strong {
    font-weight: normal;
    font-size: 150px;
}

.scroll_down {
    position: absolute;
    left: 50%;
    bottom: 80px;
    transform: translateX(-50%);
    font-size: 12px;
    color: #fff;
    font-family: 'Cardo', serif;
}

.scroll_down:before {
    content: " ";
    position: absolute;
    width: 2px;
    height: 70px;
    background-color: rgba(255, 255, 255, 0.2);
    left: 50%;
    transform: translateX(-50%);
    top: 25px;
}

.scroll_down:after {
    content: " ";
    position: absolute;
    width: 2px;
    height: 0;
    background-color: #fff;
    left: 50%;
    transform: translateX(-50%);
    top: 25px;
    animation: scroll_down 2s infinite ease-in;
}

@keyframes scroll_down {
    60% {
        height: 70px;
    }

    100% {
        height: 70px;
    }
}


/* section2 */
.section2 {
    width: 100%;
    margin-top: 140px;
    display: flex;
    align-items: center;
}

.section2_img {
    width: 54%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.section2_img:after {
    content: " ";
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #fff;
}

.section2_img.show:after {
    animation: img_show 4s ease forwards;
}

@keyframes img_show {
    100% {
        width: 0;
    }
}

.section2_img img {
    width: 100%;
}

.section2_txt {
    padding-left: 95px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
}

.section2_txt > span {
    font-size: 17px;
    color: #999;
    font-family: 'Pretendard-ExtraLight', sans-serif;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 30px;
}

.main_txt {
    font-size: 48px;
    color: #111;
    line-height: 56px;
    font-family: 'Cardo', serif;
    text-transform: uppercase;
}

.section2_txt > p {
    font-size: 17px;
    color: #111;
    font-family: 'Pretendard-Light', sans-serif;
    margin-top: 45px;
}

a.more_btn {
    width: 70px;
    height: 70px;
    border: 1px solid #666;
    box-sizing: border-box;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 65px;
}

a.more_btn img {
    transition: transform .5s;
}

a.more_btn:hover img {
    transform: rotate(180deg);
}


/* section3 */
.section3 {
    width: 100%;
    margin-top: 140px;
}

.section3_title {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section3_title a.more_btn {
    margin: 0;
}

.product_slide {
    width: 100%;
    margin-top: 50px;
}

.product_slide ul {
    display: flex !important;
}

.product_slide ul li {
    margin: 0 35px;
}

.stone_thumb {
    width: 100%;
    position: relative;
    box-shadow: 15px 15px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stone_thumb > img {
    /*width: 100%;*/
width: 330px;
    height:330px;
    object-fit: cover;
}

.hover_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, .5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s;
}

.stone_thumb:hover .hover_box {
    opacity: 1;
}

.hover_box a {
    width: 50px;
    height: 50px;
    background-color: #000;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hover_box a:first-child {
    margin-right: 20px;
}

.stone_info {
    width: 100%;
    margin-top: 40px;
    cursor: pointer;
}

.stone_info_top {
    width: 100%;
    position: relative;
}

.stone_info_top p {
    width: calc(100% - 20px);
    font-size: 22px;
    color: #111;
    font-family: 'Pretendard-Regular', sans-serif;
}

.stone_info_top p span {
    font-size: 15px;
    color: #666;
    display: block;
    margin-top: 10px;
    font-family: 'Pretendard-ExtraLight', sans-serif;
}

.color {
    width: 20px;
    height: 20px;
    border-radius: 30px;
    overflow: hidden;
    position: absolute;
    top: 0;
    right: 0;
}

.stone_price {
    width: 100%;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stone_price > p {
    font-size: 20px;
    color: #111;
    font-family: 'Pretendard-Medium', sans-serif;
}

.stone_price > p span {
    font-size: 32px;
}

.stone_price > span {
    font-size: 15px;
    color: #f00;
    font-family: 'Pretendard-Light', sans-serif;
}

.slide_bottom {
    width: calc(100% - 60px);
    margin: 65px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.progress1,
.progress2 {
    display: block;
    width: 800px;
    height: 2px;
    overflow: hidden;
    background-color: rgb(102, 102, 102, 0.2);
    background-image: linear-gradient(to right, #666, #666);
    background-repeat: no-repeat;
    background-size: 0 100%;
    transition: background-size .4s ease-in-out;
}

.prev_btn,
.next_btn {
    display: flex;
    align-items: center;
    font-size: 18px;
    color: #666;
    font-family: 'Pretendard-Light', sans-serif;
    cursor: pointer;
}

.prev_btn img {
    margin-right: 10px;
}

.next_btn img {
    margin-left: 10px;
}

.prev_btn:hover,
.next_btn:hover {
    color: #111;
    font-family: 'Pretendard-Regular', sans-serif;
}

.prev_btn:hover img {
    content: url(../images/prev_arrow_after.png);
}

.next_btn:hover img {
    content: url(../images/next_arrow_after.png);
}


/* section4 */
.section4 {
    width: 100%;
    margin-top: 140px;
    position: relative;
}

.section4_bigimg {
    width: 50%;
    position: absolute !important;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: -1;
}

.s4_b_img {
    width: 100%;
}

.s4_b_img img {
    width: 100%;
}

.section4_smallimg {
    width: 50%;
    padding: 80px 5% 45px;
    box-sizing: border-box;
}

.s4_s_img_contain {
    width: 100%;
}

.s4_s_imgbox {
    width: 100%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.references_thumb {
    width: 350px;
    height: 350px;
}

.references_thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.references_info {
    width: 350px;
    margin-top: 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.references_info p {
    font-size: 22px;
    color: #111;
    font-family: 'Pretendard-Regular', sans-serif;
}

.references_info p span {
    font-size: 15px;
    color: #666;
    display: block;
    font-family: 'Pretendard-ExtraLight', sans-serif;
    margin-top: 10px;
}

.references_info a.more_btn {
    margin: 0;
}

.slickLine {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 50px;
}

.arrowLocation {
    display: flex;
    align-items: baseline;
    font-size: 16px;
    color: #999;
}

.pagingInfo2 {
    font-size: 16px;
    color: #999;
    font-family: 'Pretendard-Light', sans-serif;
    margin-left: 5px;
}

.pagingInfo {
    font-size: 22px;
    color: #111;
    font-family: 'Pretendard-Regular', sans-serif;
    margin-right: 10px;
}


/* section5 */
.section5 {
    padding-bottom: 150px;
}










































/* mobile */
@media screen and (max-width: 767px) {

    /* section1 */
    .section1 {
        height: 40vh;
    }

    .section1_txt {
        bottom: 8vh;
    }

    p.k_t span {
        font-size: 14px;
        transform: translateY(30px);
        text-shadow: 1px 1px 5px rgba(0, 0, 0, .3);
    }

    p.e_t span {
        font-size: 18px;
        line-height: 70px;
        transform: translateY(40px);
        text-shadow: 1px 1px 5px rgba(0, 0, 0, .3);
    }

    p.e_t span strong {
        font-weight: normal;
        font-size: 50px;
    }

    .scroll_down {
        bottom: 30px;
        font-size: 10px;
    }

    .scroll_down:before {
        height: 30px;
        top: 15px;
    }

    .scroll_down:after {
        top: 15px;
    }

    @keyframes scroll_down {
        60% {
            height: 30px;
        }

        100% {
            height: 30px;
        }
    }


    /* section2 */
    .section2 {
        margin-top: 50px;
        flex-direction: column-reverse;
    }

    .section2_img {
        width: 100%;
        margin-top: 30px;
    }

    .section2_img:after {
        left: auto;
        right: 0;
    }

    .section2_txt {
        width: 100%;
        padding: 0 5%;
        box-sizing: border-box;
    }

    .section2_txt > span {
        font-size: 12px;
        margin-bottom: 15px;
    }

    .main_txt {
        font-size: 26px;
        line-height: 30px;
    }

    .section2_txt > p {
        font-size: 14px;
        margin-top: 25px;
    }

    a.more_btn {
        width: 35px;
        height: 35px;
        margin-top: 30px;
    }

    a.more_btn img {
        width: 65%;
        transition: none;
    }

    a.more_btn:hover img {
        transform: none;
    }


    /* section3 */
    .section3 {
        margin-top: 70px;
    }

    .product_slide {
        margin-top: 30px;
    }

    .product_slide ul li {
        margin: 0 15px;
    }

    .stone_thumb {
        box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.2);
    }

    .hover_box {
        width: auto;
        height: auto;
        position: absolute;
        top: 10px;
        left: auto;
        right: 10px;
        background-color: transparent;
        opacity: 1;
        transition: none;
    }

    .hover_box a {
        width: 30px;
        height: 30px;
    }

    .hover_box a img {
        width: 40%;
    }

    .hover_box a:first-child {
        margin-right: 0;
        display: none;
    }

    .stone_info {
        margin-top: 20px;
        cursor: inherit;
    }

    .stone_info_top p {
        width: calc(100% - 20px);
        font-size: 16px;
    }

    .stone_info_top p span {
        font-size: 12px;
        margin-top: 5px;
    }

    .color {
        width: 15px;
        height: 15px;
    }

    .stone_price {
        margin-top: 10px;
    }

    .stone_price > p {
        font-size: 14px;
    }

    .stone_price > p span {
        font-size: 18px;
    }

    .stone_price > span {
        font-size: 11px;
    }

    .slide_bottom {
        width: 100%;
        margin: 30px auto 0;
    }

    .progress1,
    .progress2 {
        width: 50%;
    }

    .prev_btn,
    .next_btn {
        font-size: 12px;
        cursor: inherit;
        color: #111;
        font-family: 'Pretendard-Regular', sans-serif;
    }

    .prev_btn img {
        width: 20px;
        margin-right: 5px;
        content: url(../images/prev_arrow_after.png);
    }

    .next_btn img {
        width: 20px;
        margin-left: 5px;
        content: url(../images/next_arrow_after.png);
    }


    /* section4 */
    .section4 {
        margin-top: 70px;
    }

    .section4_bigimg {
        width: 300px;
        height: 200px;
        top: 60px;
        transform: none;
    }

    .section4_bigimg img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    .s4_b_img {
        width: 100%;
    }

    .s4_b_img img {
        width: 100%;
    }

    .section4_smallimg {
        width: 100%;
        padding: 150px 0 0;
    }

    .s4_s_imgbox {
        align-items: flex-start;
    }

    .references_thumb {
        width: 120px;
        height: 120px;
    }

    .references_info {
        width: 100%;
        margin-top: 15px;
    }

    .references_info p {
        font-size: 16px;
    }

    .references_info p span {
        font-size: 12px;
        margin-top: 5px;
    }

    .slickLine {
        margin-top: 30px;
    }

    .arrowLocation {
        font-size: 12px;
    }

    .pagingInfo2 {
        font-size: 12px;
    }

    .pagingInfo {
        font-size: 14px;
        margin-right: 5px;
    }


    /* section5 */
    .section5 {
        padding-bottom: 100px;
    }

}






































/* tablet */
@media screen and (min-width: 768px) and (max-width: 1024px) {

    /* section1 */
    .section1 {
        height: 50vh;
    }

    .section1_txt {
        bottom: 5vh;
    }

    p.k_t span {
        font-size: 18px;
        text-shadow: 1px 1px 5px rgba(0, 0, 0, .3);
    }

    p.e_t span {
        font-size: 22px;
        line-height: 100px;
        text-shadow: 1px 1px 5px rgba(0, 0, 0, .3);
    }

    p.e_t span strong {
        font-weight: normal;
        font-size: 70px;
    }

    .scroll_down {
        bottom: 30px;
        font-size: 10px;
    }

    .scroll_down:before {
        height: 30px;
        top: 15px;
    }

    .scroll_down:after {
        top: 15px;
    }

    @keyframes scroll_down {
        60% {
            height: 30px;
        }

        100% {
            height: 30px;
        }
    }


    /* section2 */
    .section2 {
        margin-top: 50px;
    }

    .section2_img {
        width: 100%;
    }

    .section2_img:after {
        left: auto;
        right: 0;
    }

    .section2_txt {
        width: 100%;
        padding: 0 5%;
        box-sizing: border-box;
    }

    .section2_txt > span {
        font-size: 12px;
        margin-bottom: 15px;
    }

    .main_txt {
        font-size: 26px;
        line-height: 30px;
    }

    .section2_txt > p {
        font-size: 14px;
        margin-top: 25px;
    }

    a.more_btn {
        width: 35px;
        height: 35px;
        margin-top: 30px;
    }

    a.more_btn img {
        width: 65%;
        transition: none;
    }

    a.more_btn:hover img {
        transform: none;
    }


    /* section3 */
    .section3 {
        margin-top: 70px;
    }

    .product_slide {
        margin-top: 30px;
    }

    .product_slide ul li {
        margin: 0 15px;
    }

    .stone_thumb {
        box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.2);
    }

    .hover_box {
        width: auto;
        height: auto;
        position: absolute;
        top: 10px;
        left: auto;
        right: 10px;
        background-color: transparent;
        opacity: 1;
        transition: none;
    }

    .hover_box a {
        width: 30px;
        height: 30px;
    }

    .hover_box a img {
        width: 40%;
    }

    .hover_box a:first-child {
        margin-right: 0;
        display: none;
    }

    .stone_info {
        margin-top: 20px;
        cursor: inherit;
    }

    .stone_info_top p {
        width: calc(100% - 20px);
        font-size: 16px;
    }

    .stone_info_top p span {
        font-size: 12px;
        margin-top: 5px;
    }

    .color {
        width: 15px;
        height: 15px;
    }

    .stone_price {
        margin-top: 10px;
    }

    .stone_price > p {
        font-size: 14px;
    }

    .stone_price > p span {
        font-size: 18px;
    }

    .stone_price > span {
        font-size: 11px;
    }

    .slide_bottom {
        width: 95%;
        margin: 30px auto 0;
    }

    .progress1,
    .progress2 {
        width: 70%;
    }

    .prev_btn,
    .next_btn {
        font-size: 12px;
        cursor: inherit;
        color: #111;
        font-family: 'Pretendard-Regular', sans-serif;
    }

    .prev_btn img {
        width: 20px;
        margin-right: 5px;
        content: url(../images/prev_arrow_after.png);
    }

    .next_btn img {
        width: 20px;
        margin-left: 5px;
        content: url(../images/next_arrow_after.png);
    }


    /* section4 */
    .section4 {
        margin-top: 70px;
    }

    .section4_bigimg {
        width: 55%;
    }

    .section4_bigimg img {
        width: 100%;
    }

    .section4_smallimg {
        width: 45%;
        padding: 50px 7% 30px;
    }

    .references_thumb {
        width: 150px;
        height: 150px;
    }

    .references_info {
        width: 100%;
        margin-top: 15px;
    }

    .references_info p {
        font-size: 16px;
    }

    .references_info p span {
        font-size: 12px;
        margin-top: 5px;
    }

    .slickLine {
        margin-top: 30px;
    }

    .arrowLocation {
        font-size: 12px;
    }

    .pagingInfo2 {
        font-size: 12px;
    }

    .pagingInfo {
        font-size: 14px;
        margin-right: 5px;
    }


    /* section5 */
    .section5 {
        padding-bottom: 100px;
    }

}