body,
html {
    margin: 0;
    padding: 0;
}

img {
    width: 100%;
}

.hover_view {
    display: none;
}

/* 1 */
.s1 .s4_1 .a1 {
    background-image: url(../72ppi/s4/s4_1_bg1.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.s4_1 .a1 h2::first-line {
    font-family: var(--eng-font);
}

/* 2 */
.s1 .a2 {
    background-image: linear-gradient(to bottom,
            black,
            black,
            black,
            black,
            black,
            black,
            black,
            black,
            black,
            white,
            white);
}

.s1 .s4_1 .a2 .flex_box {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.s1 .s4_1 .a2 {
    margin: 0;
    max-width: 100%;
    position: relative;
    z-index: 2;
}

.s1 .s4_1 .a2 .flex_box .flex_cont {
    width: 50%;
    padding: 4rem;
    display: grid;
    gap: 3rem;
}

.s1 .s4_1 .a2 .flex_box .cont_1 {
    position: relative;
    top: -20rem;
}

.s1 .s4_1 .a2 .flex_box .flex_cont p {
    color: white;
}

/* img1 */
.s1 .s4_1 .a2 .img_box {
    width: 20vw;
    position: relative;
    left: 6rem;
    top: 0rem;
}

/* 3 */
.a2_2 h3 {
    color: white;
    text-align: center;
    padding: 0rem 0 2rem;
    font-weight: 600;
}

.s1 .s4_1 .a2 .flex_box2 {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    max-width: 1380px;
    margin: 0 auto;
    width: 100%;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.s1 .s4_1 .a2 .flex_box2 .flex_cont {
    position: relative;
    width: 31.5%;
    height: 320px;
    background-color: white;
    border-radius: 25px;
    padding: 2rem;
}

.s1 .s4_1 .a2 .flex_box2 .flex_cont p {
    font-size: 40px;
    font-weight: 600;
}

.s1 .s4_1 .a2 .flex_box2 .flex_cont p:nth-child(2) {
    font-size: 26px;
    font-family: var(--eng-font);
    font-weight: lighter;
    font-weight: 500;
    letter-spacing: -1px;
}

.s1 .s4_1 .a2 .flex_box2 .flex_cont .cont_imgbox {
    position: absolute;
    right: 30px;
    bottom: 23px;
    width: 5vw;
    display: flex;
}

.s1 .s4_1 .a2 .flex_box2 .flex_cont .cont_imgbox img {
    width: 100%;
}

.cont_but {
    width: 180px;
    display: flex;
    justify-content: center;
    border-radius: 30px;
    position: absolute;
    bottom: 30px;
    transition: all 0.3s;
}

.cont_but a {
    color: white;
    font-family: var(--eng-font);
    width: 100%;
    display: block;
    text-align: center;
    padding: 1rem;
}

.on {
    background-color: #9fbbd3 !important;
    transition: all 0.5s;
}

.txt_on {
    color: white !important;
}

.view_on {
    display: block;
    transition: all 0.5s;
}

.view_off {
    display: none !important;
    transition: all 0.5s;
}

.but_on {
    background-color: #202938;
    transition: all 0.5s;
}

/* 4 */
.s1 .s4_1 .a1 h2::first-line {
    font-weight: 800;
}

.s1 .s4_1 .a1 h2 {
    font-weight: 100;
}

.s1 .s4_1 .a2 .grid_box {
    display: grid;
    max-width: 1380px;
    width: 100%;
    margin: 0 auto;
    gap: 2rem;
    align-items: end;
}

.s1 .s4_1 .a2 .grid_box .title_box {
    display: grid;
}

.s1 .s4_1 .a2 .grid_box .title_box p {
    color: white;
    font-weight: 800;
    letter-spacing: -1px;
    background-color: #9fbbd3;
    width: 100%;
    padding: 2rem 3rem 1rem;
    font-size: 30px;
    font-family: var(--eng-font);
}

.s1 .s4_1 .a2 .grid_box .title_box .title_cont p {
    color: #202938;
    background-color: white;
    display: flex;
    gap: 2rem;
}

.s1 .s4_1 .a2 .grid_box .title_box .cont_1 {
    padding: 2rem 0 !important;
}

.s1 .s4_1 .a2 .grid_box .title_box .cont_2 {
    padding: 2rem 0 !important;
}

.s1 .s4_1 .a2 .grid_box .title_box .cont_1 p {
    padding: 0.3rem 3rem !important;
    font-weight: 300;
    color: #4d4d4d;
}

.s1 .s4_1 .a2 .grid_box .title_box .cont_2 p {
    padding: 0.3rem 3rem !important;
    font-weight: 300;
    color: #4d4d4d;
}

.s1 .s4_1 .a2 .grid_box .title_box .cont_1 p:first-child {
    gap: 2.3rem;
}

.s1 .s4_1 .a2 .grid_box .title_box .title_cont {
    padding: 1rem 3rem;
    background-color: white;
}

.s1 .s4_1 .a2 .grid_box .title_box .cont_2 p:nth-child(4) {
    gap: 1.8rem;
}

.s1 .s4_1 .a2 .grid_box .title_box .cont_2 p:nth-child(5) {
    gap: 1.5rem;
}

.s1 .s4_1 .a2 .grid_box .title_box .title_cont p span {
    color: #9fbbd3;
    font-weight: 600;
}

.a2_3 h3 {
    color: white;
    text-align: center;
    padding: 9rem 0 2rem;
    font-weight: 600;
}

.bgimg_box {
    position: absolute;
    z-index: -1;
    right: 0;
}

.txt_center {
    text-align: center;
    font-weight: 600 !important;
    white-space: nowrap;
}

.s1 .s4_1 .a2 .flex_box3 {
    display: flex;
    max-width: 1400px;
    margin: 0px auto;
    padding: 2rem;
    gap: 12rem;
    position: relative;
    top: 50px;
}

.s1 .s4_1 .a2 .flex_box3 .grid_box p {
    font-size: 40px;
    font-weight: 400 !important;
}

.s1 .s4_1 .a2 .flex_box3 .grid_box img {
    scale: 0.8;
}

/* 5 */
.a3_1 .p_25 {
    font-size: 25px;
    color: #b2b2b2;
    padding-bottom: 3rem;
    font-weight: 400 !important;
}

.a3_1 .p_30 {
    font-size: 30px;
    font-weight: 600;
}

.s1 .a3 {
    padding-top: 200px;
}

.s1 .a4 {
    height: 115rem;
}

.w_5_txt {
    font-weight: 400 !important;
    color: #4d4d4d;
    font-family: "NanumSquare";
    font-size: 25px;
    letter-spacing: -1px;
}

.a3_1_flex {
    display: flex;
    justify-content: center;
    width: 100%;
    gap: 0rem;
    padding: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    border-top: 1px solid;
    border-bottom: 1px solid;
}

.a3_1_flex .grid_box {
    display: grid;
    position: relative;
    width: 100%;
    padding: 1rem;
    justify-items: center;
}

.a3_1_flex .grid_box::after {
    content: "";
    border-bottom: 10px solid transparent;
    border-top: 10px solid transparent;
    border-left: 10px solid #202938;
    border-right: 10px solid transparent;
    position: absolute;
    right: -14px;
    top: 37%;
}

.a3_1_flex .grid_box:last-child::after {
    content: "";
    width: 0;
    height: 0;
    border: 0;
}

.tabmenu {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    padding-top: 150px;
}

.tabmenu ul {
    display: flex;
    justify-content: center;
    position: relative;
    gap: 5rem;
}

.tabmenu ul li {
    display: inline-block;
    width: 11%;
    text-align: center;
    background: #f9f9f9;
    padding: 0.3rem;
    border-radius: 3rem;
    cursor: pointer;
}

.tabmenu ul li a {
    display: block;
    line-height: 40px;
    height: 40px;
    text-decoration: none;
    color: #000;
}

.tabCon {
    display: flex;
    max-width: 1400px;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 5% 0 15%;
}

#tab2Con {
    display: none;
}

.w_5 {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
}

.w_5_txt:nth-child(3) {
    font-size: 22px;
    color: #999999;
}

.w_5 img {
    scale: 0.7;
}

.block {
    display: block;
}

.active {
    display: block;
    opacity: 1;
}

.btnCon.target {
    background: #dc002d;
    color: white;
}

.btnCon.target2 {
    background: #0094ca;
    color: white;
}

.btnCon.target a,
.btnCon.target2 a {
    color: white;
}

.img_box {
    display: block;
    width: 100%;
    margin: 0 auto;
}

.img_box img {
    display: block;
    margin: 0 auto;
    object-fit: scale-down;
    padding: 20px;
}

.a5 {
    width: 100%;
    height: 600px;
    display: flex;
    background-image: url(../72ppi/s4/s4_1_bg22.png);
    background-repeat: no-repeat;
    background-size: cover;
    justify-content: center;
    align-items: center;
}

.a5 p {
    color: white;
    text-align: center;
    font-size: 30px;
}

.a5 p::first-line {
    font-size: 60px;
    font-family: var(--eng-font);
}

.bg_1 {
    background-image: url(../72ppi/s4/s4_2_bg1.png);
    background-repeat: no-repeat;
    background-size: cover;
}

/* 4-2 */
.s1 .a6 {
    width: 100%;
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    height: 80vh;
    flex-direction: column;
    justify-content: center;
}

.s1 .a6 h1,
.s1 .a6 p {
    color: white;
}

.s1 .s4_2 .a6 p {
    line-height: 160%;
}

.s1 .a6 p {
    padding-top: 2rem;
    font-weight: 400;
    line-height: 100%;
    text-transform: capitalize;
}

.s1 .a6 h1 {
    font-size: 60px;
    font-family: var(--eng-font);
    letter-spacing: -1px;
}

.s1 .a6 h1 p {
    font-size: 30px;
}

.s1 .a6 .cer_box {
    width: 100%;
    padding: 2rem 3rem;
    background-color: #55545480;
    border-radius: 3rem;
    margin-top: 3rem;
}

.s1 .a6 .cer_box h1 {
    font-size: 40px;
    font-weight: 800;
    color: #9fbbd3;
}

.s1 .s4_2 {
    position: relative;
    top: 9rem;
}

.s1 .a7 {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.s1 .a7 .flex_box {
    display: flex;
    gap: 11rem;
    justify-content: center;
    padding-bottom: 6rem;
}

.s1 .a7 .flex_box .img_box p {
    color: #9fbbd3;
    font-size: 28px;
    font-weight: 500;
    text-align: center;
}

.s1 .a7 .flex_box2 {
    padding-bottom: 10rem;
    width: 73%;
    margin: 0 auto;
}

.a8 {
    padding-bottom: 30rem;
}

.s1 .a8 .flex_box {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.con_flex {
    display: flex;
    width: 50%;
    border-bottom: 1px solid #f9f9f9;
    padding: 4rem 0 3rem;
}

.con_grid {
    display: flex;
    gap: 2rem;
    padding-bottom: 1rem;
}

.s1 .a8 .flex_box .con_grid p {
    color: white;
}

.con_flex h1 {
    color: white;
    font-size: 40px;
    width: 20%;
}

.con_grid span {
    font-size: 28px;
    color: #9fbbd3;
}

.catalogue_box {
    width: calc(100% / 3);
    height: 550px;
    overflow: hidden;
    background-color: #363c44;
    border-radius: 2rem;
    position: relative;
    display: grid;
    align-items: end;
    align-content: space-between;
}

.catalogue_box p {
    font-size: 40px;
    padding: 1rem 2.5rem;
    font-weight: 600 !important;
    font-family: var(--eng-font);
}

.catalogue_box .but {
    padding: 1rem 2.5rem;
    font-size: 18px;
    color: white;
    margin: 2rem 2rem;
    background-color: #202938;
    position: absolute;
    border-radius: 2rem;
}

.catalogue_box .img_box {
    position: absolute;
    bottom: -16%;
    right: -30%;
}

.catalogue_box:nth-child(3) .img_box {
    right: -10%;
    scale: 0.75;
}

.cat_on {
    background-color: white;
    transition: all 0.5s;
}

.cat_on2 {
    color: #9fbbd3 !important;
}

.cat_on3 {
    background-color: #9fbbd3 !important;
    transition: all 0.5s;
}

.s1 .s4_3 .a6 {
    height: 130vh;
}

.gotop a img {
    position: absolute;
    top: -8rem;
    right: 0;
}

.a6 .flex_box {
    display: flex;
    gap: 3rem;
    padding-top: 3rem;
    padding-bottom: 0;
}

@media all and (max-width: 900px) {
    .s1 .s4_1 .a2 .flex_box {
        display: grid;
    }

    .s1 .s4_1 .a2 .flex_box .cont_1 {
        top: 0;
    }

    .s1 .s4_1 .a2 .flex_box .flex_cont {
        width: 100%;
        padding: 1rem;
    }

    .s1 .s4_1 .a2 .flex_box .flex_cont p {
        font-size: 20px;
    }

    .s1 .s4_1 .a2 .flex_box2 {
        display: flex;
        flex-direction: column;
    }

    .s1 .s4_1 .a2 .flex_box2 .flex_cont {
        width: 100%;
    }

    .s1 .s4_1 .a2 .flex_box2 .flex_cont .cont_imgbox {
        width: 15vw;
    }

    .s1 .s4_1 .a2 .grid_box .title_box .title_cont p span {
        font-size: 20px;
    }

    .s1 .s4_1 .a2 .grid_box .title_box .cont_1 p {
        font-size: 18px;
    }

    .s1 .s4_1 .a2 .grid_box .title_box .title_cont p {
        font-size: 18px;
    }

    .s1 .s4_1 .a2 .flex_box3 {
        gap: 30%;
        padding: 0;
        flex-direction: column;
    }

    .s1 .s4_1 .a2 .flex_box3 .grid_box p {
        font-size: 1.8rem;
    }

    .s1 .s4_1 .a2 .flex_box3 .grid_box img {
        max-width: 180px;
    }

    .a3_1_flex {
        width: 100vw;
        gap: 4rem;
    }

    .a3_1_flex .grid_box::after {
        right: -58%;
    }

    .tabmenu ul li {
        width: 30%;
    }

    .a5 p::first-line {
        font-size: 40px;
        font-family: var(--eng-font);
    }

    .a5 p {
        font-size: 30px;
    }

    .s1 .a4 {
        height: 80rem;
    }

    /* 4-2 */
    .s1 .a6 {
        padding: 0 4rem;
        height: 70vh;
    }

    .s1 .a7 .flex_box {
        padding: 0 4rem;
    }

    .s1 .a6 .cer_box {
        padding: 2rem 2rem;
    }

    .s1 .a7 .flex_box2 {
        padding: 3rem 4rem;
        width: 100%;
    }

    .con_grid {
        gap: 1rem;
    }

    .con_flex h1 {
        width: 30%;
        font-size: 25px;
    }

    .a8 {
        padding: 0 4rem 17rem;
    }

    .con_grid span {
        font-size: 18px;
    }

    /* 4-3 */
    .s1 .s4_3 .a6 {
        height: auto;
        padding: 5rem 0;
    }

    .a6 .flex_box {
        flex-direction: column;
        align-items: center;
    }

    .catalogue_box {
        width: 55%;
    }

    .s4_3 .a6 p {
        text-align: center;
    }

    .s4_3 .a6 h1 {
        text-align: center;
    }

    .s4_3 .a6 .catalogue_box p {
        text-align: left;
    }
}

@media all and (max-width: 500px) {
    .s1 .s4_1 .a2 .flex_box {
        padding: 0;
    }

    .s1 .s4_1 .a2 .flex_box2 .flex_cont {
        height: 250px;
    }

    .s1 .s4_1 .a2 .flex_box2 .flex_cont p {
        font-size: 2rem;
    }

    .s1 .s4_1 .a2 .flex_box2 .flex_cont p:nth-child(2) {
        font-size: 1rem;
    }

    .s1 .s4_1 .a2 .grid_box .title_box .cont_1 p {
        padding: 0.3rem 2rem !important;
    }

    .s1 .s4_1 .a2 .grid_box .title_box .cont_2 p {
        padding: 0.3rem 2rem !important;
    }

    .s1 .s4_1 .a2 .flex_box3 {
        gap: 2rem;
        padding: 0;
    }

    .a3_1_flex {
        flex-direction: column;
    }

    .a3_1_flex .grid_box {
        width: 100%;
        justify-content: center;
    }

    .s1 .a4 {
        height: 54rem;
    }

    .bgimg_box {
        width: 50%;
    }

    /* 4-2 */
    .s1 .a6 {
        height: 110vh;
        padding: 0 2rem;
    }

    .s1 .a7 .flex_box {
        padding: 0 2rem;
        gap: 1rem;
    }

    .s1 .a7 .flex_box2 {
        padding: 3rem 2rem;
    }

    .con_flex {
        width: 100%;
        gap: 1rem;
        flex-direction: column;
        padding: 4rem 1rem 3rem;
    }

    .a8 {
        padding: 0 2rem 17rem;
    }

    .s1 .a7 .flex_box .img_box p {
        font-size: 18px;
    }

    .con_flex h1 {
        font-size: 45px;
    }

    /* 4-3 */
    .s4_3 .a6 {
        height: auto;
        padding: 3rem 0;
    }

    .catalogue_box {
        width: 85%;
        height: 460px;
    }

    .catalogue_box .img_box {
        scale: 0.7;
    }

    .s4_3 .a6 .catalogue_box p {
        font-size: 2rem;
    }

    .catalogue_box .img_box {
        bottom: 0;
        right: 0;
        z-index: 0;
    }

    .catalogue_box:nth-child(3) .img_box {
        right: -23%;
    }

    .s1 .a6 h1 {
        font-size: 45px;
    }
}