.about .left {
    width: 42rem;
}
.about .right {
    width: calc(100% - 56.1rem);
    margin-bottom: 13rem;
}
@media(max-width: 1260px) {
    /* ????? */
    .about .left{
        width: 360px;
    }
    .about .right {
        width: calc(100% - 380px);
    }   
}
.about .content_info {
    padding-top: 2.3rem;
}
.about .content_info h3 {
    line-height: 1.5;
}
.about .content_info span {
    font-size: 1.65rem;
    font-weight: 500;
    margin-top: 3.2rem;
    display: block;    
    line-height: 1.5;
    color: rgba(0, 0, 0, 0.7);
}
.about .btn_submit {
    width: 20rem;
    margin-top: 3.4rem;
}
.about .text_banner {
    text-align: center;
    border-radius: .5rem;
    position: relative;
    padding: 7.4rem 3rem 6.1rem;
    background-color: #fafafa;
    border: 1px solid #e5e5e5;
}
.about .text_banner > p {
    font-size: 4.2rem;
} 
.about .text_banner > span {
    line-height: 1.3;
    display: block;
    margin: 2.5rem 0 0;
}
.grid_custom.g3 {
    grid-template-columns: 13.8fr 47fr 47fr;
    grid-column-gap: 1rem;
    grid-row-gap: 1rem;
    grid-column: 5 / 7;
}
.grid_custom.g2_1 {
    grid-template-columns: 91.8fr 16.4fr;
    grid-column-gap: 0.8rem;
}
.grid_custom.g2 {
    grid-template-columns: 35fr 56.8fr;
    grid-column-gap: 0.8rem;
    font-size: 1.7rem;
}
.grid_custom.g2 span {
    margin-right: 2rem;
} 
.grid_custom .grid_cb {
    grid-row: 2 / 2;
    grid-column: 2 / 4;
}
.about .table_container .table_body li {
    padding: 0;
}
.about .table_body {
    margin: 1rem 0;
}
.about .table_body .txt_box {
    gap: 1.9rem;
    padding: 2.4rem 0 2.4rem 1.9rem;
}
.about .table_body .txt_box img {
    width: 10rem;
}
.about .table_body .bottom_line {
    border-bottom: 1px solid #e5e5e5;
}
.about .tb_des > p:first-child {
    margin-bottom: 1.2rem;
}
.about .tb_des:not(.t_l) > p:first-child {
    margin-top: 1rem;
    margin-bottom: 0.8rem;
}
.about .tb_des > p:last-child {
    line-height: 1.3;
}
.about .g_life {
    padding-top: 3.6rem;
    margin-top: 3.6rem;
    border-top: 1px solid var(--border);
}
.about .table_container {
    border: 0;
    padding: 0;
    border-radius: 0;
}
.about .table_container .about_tb {
    font-size: 1.65rem;
    background-color: #f8f8f8;
    height: 100%;
    border-radius: 0.5rem;
}
.about .table_container .table_body li div {
    position: relative;
}
.about .table_container .table_body li > div:first-child::after {
    display: none;
}
.about .table_container .table_body li div:not(.no_line)::after {
    display: block; 
    content: "";
    width: 1px;
    height: 2.5rem;
    background-color: #e5e5e5;
    position: absolute;
    top: 50%;
    right: -0.5rem;
    transform: translate(-50%, -50%);
}
.about .table_container .table_body li div.g2::after {
    right: auto;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}
.about .table_container .table_body li div.g_life::after {
    top: calc(50% + 1.8rem);
}
.about .warn {
    gap: 0.7rem;  
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.3;
    margin-top: 1.8rem;  
    color: #383838
}
.about_bene_cont {
    border-radius: .5rem;
    border: 1px solid var(--border);
    padding: 4rem 5.7rem;
}
.about_bene_cont .grid_3 {
    grid-column-gap: 4.8rem;
    text-align: center;
}
.about_bene_cont .g2 {
    display: grid;
    grid-template-columns: 25fr 78fr;
    grid-column-gap: 2rem;
}
/* .about_bene_cont .bind::after {
    background: url('../../img/front/icon/bind.webp') no-repeat;
    background-size: contain;
    display: block;
    content: "";
    position: absolute;
    bottom: 7.3rem;
    right: 13%;
    width: 50%;
    height: 10px;
} */
@media screen and (max-width: 1280px) {
    .about_bene_cont .bind::after {
        width: 398px;
        right: 115px;
    }
}
.bene_txt {
    font-size: 1.9rem;
    font-weight: 600;  
    border-radius: .5rem;
    background-color: #f8f8f8;
    line-height: 1.5;
    text-align: center;
    padding: 1.3rem 5rem;
    margin-bottom: 2rem;
}
.bene_txt.mt {
    margin-top: 5rem;
}
.about_bene_cont + .about_bene_cont {
    margin-top: 3rem;
}
.about_bene_cont li p {
    font-size: 2rem;
    font-weight: 600;
    margin: 1.5rem 0 .8rem;
    text-align: center;
}

/* ¿¬Çõ */
.about .history_content {
    position: relative;
    padding: 4rem 0 25rem;
}

.about .history_content .image_container {
    padding-right: clamp(4rem, 4.16vw, 6rem);
    min-width: 810px; 
}

.about .history_content .history_list {
    width: 100%;
    padding: 0 0rem 0 10rem;
    position: absolute;
    top: 0;
    left: 0;

    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-column-gap: 2rem;
}

.about .history_content .history_list li {
    height: clamp(29.3rem, 19.1vw, 34rem);
}

.about .history_content .history_list li img {
    width: clamp(9rem, 4.94vw, 10rem);
}

.about .history_list .year {
    color: #000;
    margin-top: 1.4rem;
}

.about .history_list .des {
    margin-top: clamp(0.8rem, 0.65vw, 1.8rem);
    font-size: clamp(1.3rem, 2.3vw, 1.45rem);
    font-weight: 500;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.45;
    letter-spacing: -0.083rem;
}

.about .history_list .active_year {
    color: #ff4c05;
}

.about .history_list .active {
    color: #000;
    text-decoration: underline;
}

.about .arrow_container {
    position: absolute;
    top: 0;
    left:0;
    width: 100%;
    min-width: 810px; 
    height: 100%;
    display: flex;
    flex-direction: column;
    padding-top: clamp(19rem, 10.88vw,20rem);
    padding-right: clamp(4rem, 4.16vw, 5.5rem);
    gap: clamp(24rem, 17.5vw, 32rem);
}

.about .arrow_container img {
    width: clamp(0.7rem, 0.9vw, 1.3rem);
}

.about .arrow_container > div {
    width: clamp(2.5rem, 1.38vw , 3rem);
    height: clamp(2.5rem, 1.38vw , 3rem);
    border: 1px solid #c7c7c7;
    border-radius: 10rem;
    background-color: #f9f9f9;
    line-height: clamp(2.5rem, 1.38vw , 3rem);
    text-align: center;
}

.about .arrow_container > div:nth-child(odd) {
    align-self:flex-end;
}

.about .arrow_container > div:nth-child(even) {
    transform: translateX(-0.85rem);
}

@media screen and (max-width: 1280px) {
    .about .history_content .image_container img {
        width: 780px; 
    }
    .about .history_content .arrow_container img {
        width: 10px;
    }
    .about .history_content .history_list {
        width: 94%;
    }
	.about .history_content .history_list li {
        height: 255px;
    }
    .about .arrow_container {
        gap: 230px;
        padding-right: 45px;
    }
}


/* Æ˾÷ ½ºÅ¸ÀÏ */
.scroll_prevent {
    scroll-behavior: initial;
}

.pop_btn a {
    display: block;
    cursor: pointer;
    font-size: 1.8rem;
    line-height: 1.33;
    letter-spacing: -0.09rem;
    color: rgba(0, 0, 0, 0.8);
    font-weight: 500;
}

.pop_btn a img {
    margin-left: 0.5rem;
    vertical-align: inherit;
}

.popup .inner{
    height: 80vh;
    padding: 5rem 1.5rem;
}   

.popup .pop_content {
    width: 60rem;
    margin: 3rem auto 5rem;
}

.popup .pop_content .pop_top h2 {
    font-size: 3.6rem;
    font-weight: bold;
    letter-spacing: -0.18rem;
}

.popup .pop_content .pop_top p {
    margin-top: 1.2rem;
    font-size: 1.6rem;
    font-weight: 500;
    line-height: 1.69;
    letter-spacing: -0.08rem;
    color: rgba(0, 0, 0, 0.8);
}

.popup .pop_content > p {
    margin-top: 1.2rem;
}

.popup .pop_image {
    margin-top: 2rem;
    max-width: 60rem;
}

.popup .pop_bottom {
    margin-top: 2rem;
    border: solid 1px #ededed;
    border-radius: 0.5rem;
    padding: 4rem 0;
}

.popup .pop_bottom p {
    font-size: 1.6rem;
    line-height: 1.6;
    letter-spacing: -0.08rem;
}