.aboutpage-body {
    background-color: #EAEBE5
}
.active-page1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: transform 1.5s; /* 페이지 전환 애니메이션 */
    perspective: 3000px; /* 3D 효과를 위한 원근법 */
    transform-style: preserve-3d;
}
.active-page1 .page {
    position: relative; /* 자식 요소의 absolute 위치를 위한 기준점 */
    width: 100%;
    height: 100%;
    /* transform: rotateX(180deg) scale(0.3); */ /* 초기 3D 변환 제거 (기존 애니메이션과 충돌) */
    backface-visibility: hidden;
    transition: transform 1s ease-in-out; /* 페이지 내부 요소의 변환 애니메이션 (예: scale) */
    will-change: transform; /* 성능 최적화 */
}

.about-visual {
    position: relative;
    width: 100%;
    min-height: 100vh;
    height: 100vh;
    max-height: 100vh;
    padding: 180px 0 80px 0;
    overflow: hidden;
}
.about-visual .visual-img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -5;
}
.about-visual .visual-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-visual .wrapper60 {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}
.about-visual .wrapper60 .snb-top-text {
    position: absolute;
    right: 40px;
    top: 105px;
    text-align: right;
    font-size: 12px;
}
.about-visual .wrapper60 .title-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.about-visual .wrapper60 .title-wrap .row01 {
    display: flex;
    align-items: center;
    gap: 24px;
}
.about-visual .wrapper60 .title-wrap .row01 span {
    font-size: 20rem;
    line-height: 1.2;
}
.about-visual .wrapper60 .title-wrap .row01 .change_text_list {
    position: relative;
    display: flex;
    align-items: center;
}
.about-visual .wrapper60 .title-wrap .row01 .change_text_list .entity_area {
    font-size: 20rem;
    line-height: 1.2;
}

.about-visual .wrapper60 .title-wrap .row01 .change_text_list ul  {
    display: inline-flex;
    position: relative;
    justify-content: center;
    width: auto;
    overflow: hidden;
}
.about-visual .wrapper60 .title-wrap .row01 .change_text_list ul li {
    font-size: 20rem;
    line-height: 1.2;
    font-weight: 300;
    letter-spacing: -0.5rem;
    display: none;
}
.about-visual .wrapper60 .title-wrap .row01 .change_text_list ul li.active {
    display: inline-block;
    animation: slider 0.8s ease-out;
}


@keyframes slider {
    0% {
      transform: translateY(100%);
      opacity: 0;
    }
    50% {
      opacity: 1;
    }
    100% {
      transform: translateY(0);
      opacity: 1;
    }
  }
/* @-webkit-keyframes fadeslideUp {
    0% {
      opacity: 0;
      -webkit-transform: translateY(-40%);
    }
    10% {
      opacity: 1;
      -webkit-transform: translateY(-50%);
    }
    20% {
      opacity: 1;
      -webkit-transform: translateY(-50%);
    }
    25% {
      opacity: 0;
      -webkit-transform: translateY(-60%);
    }
    100% {
      opacity: 0;
      -webkit-transform: translateY(-60%);
    }
} */

.about-visual .wrapper60 .title-wrap .row02  {
    display: flex;
    align-items: center;
    gap: 24px;
    justify-content: flex-end;
}
.about-visual .wrapper60 .title-wrap .row02 span {
    font-size: 21rem;
    line-height: 1.2;
}
.about-visual .wrapper60 .sub-buttom-wrap {
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.about-visual .wrapper60 .sub-buttom-wrap p {
    font-size: 4.2rem;
    line-height: 1.6;
}
.about-visual .wrapper60 .sub-buttom-wrap p.sub_text {
    font-size: 16px;
}
.about-intro {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100vh;
}
.about-intro::after {
    position: absolute;
    left: 0;
    top: 0;
    z-index: -20;
    width: 100%;
    height: 100%;
    background-color: #EAEBE5;
    content: "";
}
.about-intro .intro-wrap {
    width: 100%;
    height: 90%;
}
.about-intro .intro-wrap .wrapper120 {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
}
.about-intro .intro-wrap .wrapper120 .inner-box {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 100%;
    max-height: 736px;
    height: 89%;
    padding: 40px;
    background: url(../img/about/perspective_intro_bg.png) no-repeat center center / cover;
    overflow: hidden;
}
.about-intro .intro-wrap .wrapper120 .inner-box h2 {
    font-size: 10rem;
    line-height: 1.1;
    letter-spacing: -0.5rem;
    width: 100%;

}
.about-intro .intro-wrap .wrapper120 .inner-box .info-text-wrap {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}
.about-intro .intro-wrap .wrapper120 .inner-box .info-text-wrap p {
    font-size: 22px;
}
.about-intro .intro-wrap .wrapper120 .inner-box .info-text-wrap span {
    font-size: 12px;

}

.perspective-section .perspective-wrap {
    position: relative;
    padding: 116px 0 122px 0;
}
.perspective-section .perspective-wrap::before {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url(../../src/img/about/noise_texture.png) no-repeat center center / cover;
    content: "";
}
.perspective-section .perspective-wrap .inner {
    width: 100%;
    padding: 0 0 0 12rem;
    max-width: 2000px;
    margin: 0 auto;
}
.perspective-section .perspective-wrap .inner .title-wrap {
    display: flex;
    flex-direction: column;
    gap: 42px;
}
.perspective-section .perspective-wrap .inner .title-wrap h2 {
    font-size: 8rem;
    line-height: 1.1;
    letter-spacing: -0.2rem;
    color: var(--mainblack);
}
.perspective-section .perspective-wrap .inner .contents-wrap {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 618px;
    width: 43%;
    margin-top: 145px;
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap {
    position: relative;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap .main-img {
    width: 60%;
    aspect-ratio: 360 / 434;
    margin-top: 20%;
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap .sub-img {
    position: absolute;
    right: 0;
    top: 0;
    z-index: -1;
    width: 60%;
    aspect-ratio: 330 / 228;
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap .main-img img ,
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap .sub-img img,
.perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .img-wrap img {
    width: 100%;
    object-fit: contain;
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .text-wrap p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--mainblack);
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .text-wrap p.m-text,
.perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .text-wrap p.m-text {
    display: none;
}
.perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .text-wrap p em {
    font-weight: 700;
}
.perspective-section .perspective-wrap .inner .contents-wrap .right-wrap {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 50%;
    max-width: 960px;
    margin-top: -5%;
}
.perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .text-wrap p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--mainblack);
    width: 75%;
}
.perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .img-wrap {
    width: 100%;
    aspect-ratio: 960 / 734;
}
.professionals-section .main-title {
    width: 100%;
    padding: 100px 0 70px 0;
    background-color: #010102;
    color: #fff;
}
.professionals-section .main-title .wrapper120 h2 {
    font-size: 8rem;
    line-height: 1.2;
    letter-spacing: -0.2rem;
    margin: 40px 0 60px 0;
}
.professionals-section .main-title .wrapper120 p {
    font-size: 22px;
    line-height: 1.3;
}
.slider-wrap {
    position: relative;
    height: 500vh;
}
.slider-wrap .video-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}
.pinned-container {
    position: sticky; 
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}
.slider-wrap .video-slider .js-slider__inner {
    position: relative;
    width: 100%;
    height: 100%;
}
.slider-wrap .video-slider::after {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    background-color: rgba(0, 0, 0, 0.7);
    content: "";
}
.slider-wrap .video-slider .js-slider__inner canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: 2;
    display: block;
    opacity: 0;
}
.slider-wrap .video-slider .js-slider__inner canvas.is-active {
    opacity: 1;
     transition: none;
}
.slider-wrap .video-slider .js-slider__inner video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    opacity: 1;
    z-index: 1; 
    object-fit: cover;
}
.slider-wrap .video-slider .js-slider__inner video.is-active {
    z-index: 2; 
}

.professionals-section .content-overlay {
    position: relative;
    z-index: 2;
    pointer-events: none;
    width: 100%;
    height: 100vh;
}

.professionals-section .slide-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 70px 12rem 0 12rem;
}
.professionals-section .slide-container:first-child:after {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 15%;
    background-image: linear-gradient(to top, rgba(0,0,0,0), rgba(0,0,0,1));
    content: "";
}
.professionals-section .slide-container .inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    z-index: 10;
    gap: 62px;
    width: 100%;
    height: 100%;
    max-width: 2000px;
    opacity: 0;
    transform: translateY(0);
    transition: transform 0.6s ease-out, opacity 0.6s ease-out;
}
/* 기본 슬라이드 inner (초기 상태) */
.slide-container .inner {
    opacity: 0;
    transform: translateY(0);
    transition: transform 0.6s ease-out, opacity 0.6s ease-out;
}

/* 현재 슬라이드보다 이전에 있는 슬라이드들 (화면 위로 사라지는 위치) */
.slide-container.is-before .inner {
    transform: translateY(-100vh);
}

/* 현재 슬라이드보다 이후에 있는 슬라이드들 (화면 아래에 대기하는 위치) */
.slide-container.is-after .inner {
    transform: translateY(100vh);
}

/* 현재 활성화된 슬라이드 (화면 중앙으로 이동) */
.slide-container.is-active .inner {
    transform: translateY(0);
    opacity: 1;
}
.professionals-section .slide-container .inner .img-wrap {
    display: flex;
    justify-content: flex-end;
    position: relative;
    width: 68%;
    max-width: 1155px;
}

.professionals-section .slide-container .inner .img-wrap .main-img {
    position: absolute;
    left: 0;
    top: 0;
    width: 90%;
    aspect-ratio: 1022 / 550;
}
.professionals-section .slide-container .inner .img-wrap .sub-img-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 28%;
    padding-top: 20%;
}
.professionals-section .slide-container .inner .img-wrap .sub-img-wrap span {
    font-size: 12px;
    text-align: right;
    color: #fff;
}
.professionals-section .slide-container .inner .img-wrap .sub-img-wrap .sub-img {
    width: 100%;
    aspect-ratio: 323 / 413;
}
.professionals-section .slide-container .inner .img-wrap .sub-img-wrap .sub-img img,
.professionals-section .slide-container .inner .img-wrap .main-img img {
    width: 100%;
    object-fit: contain;
}
.professionals-section .slide-container .inner .title-wrap {
    width: calc(32%);
    height: 100%;
    max-width: 560px;
    margin-top: 20%;
    padding: 0 80px 0 0;
}
.professionals-section .slide-container .inner .title-wrap span {
    font-size: 30px;
    line-height: 1.3;
    margin-bottom: 4px;
    color: #fff;
}
.professionals-section .slide-container .inner .title-wrap h3 {
    font-size: 7.2rem;
    line-height: 1.3; 
    margin-bottom: 34px;
    color: #fff;
}
.professionals-section .slide-container .inner .title-wrap h3.m-text {
    display: none;
}
.professionals-section .slide-container .inner .title-wrap p {
    font-size: 16px;
    line-height: 1.4;
    color: #fff;
}
.scroll-trigger {
    position: relative;
    height: 100vh;
    pointer-events: none;
}

@media screen and (max-width: 1500px) {

    .about-visual .wrapper60 .title-wrap .row01 span {
        font-size: 18rem;
    }
    .about-visual .wrapper60 .title-wrap .row01 .change_text_list .entity_area {
        font-size: 18rem;
    }
   
    .about-visual .wrapper60 .title-wrap .row01 .change_text_list ul li {
        font-size: 18rem;
    }
    .about-visual .wrapper60 .title-wrap .row02 span {
        font-size: 18rem;
    }
}

@media screen and (max-width: 1280px) {
    .about-visual .wrapper60 {
        justify-content: center;
        gap: 32px;
    }
    .about-visual .wrapper60 .title-wrap .row01,
    .about-visual .wrapper60 .title-wrap .row02 {
        justify-content: center;
    }
    .about-visual .wrapper60 .title-wrap .row01 span {
        font-size: 13rem;
    }
    .about-visual .wrapper60 .title-wrap .row01 .change_text_list .entity_area {
        font-size: 13rem;
    }
   
    .about-visual .wrapper60 .title-wrap .row01 .change_text_list ul li {
        font-size: 13rem;
    }
    .about-visual .wrapper60 .title-wrap .row02 span {
        font-size: 13rem;
    }
    .about-visual .wrapper60 .sub-buttom-wrap {
        align-items: center;
    }
    .about-visual .wrapper60 .sub-buttom-wrap p {
        text-align: center;
    }

    .perspective-section .perspective-wrap .inner {
        padding: 0 0 0 30px;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap {
        margin-top: 100px;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap {
        align-items: center;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .text-wrap p {
        width: calc(100% - 10px);
    }
    .professionals-section .slide-container {
        padding: 70px 10rem 50px 10rem;
    }
    .professionals-section .slide-container .inner {
        flex-direction: column-reverse;
        justify-content: center;
        gap: 36px;
        height: auto;
    }
    .professionals-section .slide-container .inner .img-wrap {
        width: 100%;
        max-width: 100%;
        max-height: 70dvh;
    }
    .professionals-section .slide-container .inner .img-wrap .main-img {
        width: 80%;
    }
    .professionals-section .slide-container .inner .img-wrap .sub-img-wrap {
        right: 16px;
    }
    .professionals-section .slide-container .inner .title-wrap {
        width: 100%;
        max-width: 100%;
        margin-top: 0;
        padding:  0 20px;
        height: auto;
    }
  
}   


@media screen and (max-width: 768px) {
    .about-visual .wrapper60 .snb-top-text {
        right: auto;
        left: 20px;
        text-align: left;
    }
    .about-visual .wrapper60 .title-wrap {
        gap: 0;
    }
    .about-visual .wrapper60 .title-wrap .row01,
    .about-visual .wrapper60 .title-wrap .row02 {
        gap: 10px;
    }
    .about-visual .wrapper60 .title-wrap .row01 .change_text_list {
        gap: 5px;
    }
    .about-visual .wrapper60 .title-wrap .row01 span,
    .about-visual .wrapper60 .title-wrap .row01 .change_text_list .entity_area,
    .about-visual .wrapper60 .title-wrap .row01 .change_text_list ul li,
    .about-visual .wrapper60 .title-wrap .row02 span {
        font-size: 47px;
    }
    .about-visual .wrapper60 .sub-buttom-wrap {
        gap: 14px;
    }
    .about-visual .wrapper60 .sub-buttom-wrap p {
        font-size: 26px;
    }

    .about-intro .intro-wrap .wrapper120 .inner-box h2 {
        font-size: 8rem;
    }
    .about-intro .intro-wrap .wrapper120 .inner-box .info-text-wrap {
        flex-direction: column;
        align-items: flex-start;
        gap: 8rem;
    }
    .about-intro .intro-wrap .wrapper120 .inner-box .info-text-wrap p {
        max-width: 300px;
        width: 100%;
    }
    .about-intro .intro-wrap .wrapper120 .inner-box .info-text-wrap p br {
        display: none;
    }

    .perspective-section .perspective-wrap {
        padding: 70px 0;
    }
    .perspective-section .perspective-wrap .inner {
        padding: 0 30px;
    }
    .perspective-section .perspective-wrap .inner .title-wrap {
        gap: 24px;
    }
    .perspective-section .perspective-wrap .inner .title-wrap h2 {
        font-size: 40px;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap {
        flex-direction: column;
        gap: 46px;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap {
        width: 100%;
        max-width: 100%;
        gap: 16px;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap {
        justify-content: flex-start;
        height: auto;
        padding-top: 15%;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap .main-img {
        width: 65%;
    }
    
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .img-wrap .sub-img {
        width: 60%;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .text-wrap p {
        font-size: 14px;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .right-wrap {
        flex-direction: column-reverse;
        width: 100%;
        max-width: 100%;
        margin-top: 0;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .text-wrap p {
        font-size: 14px;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .text-wrap p.pc-text,
    .perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .text-wrap p.pc-text {
        display: none;
    }
    .perspective-section .perspective-wrap .inner .contents-wrap .left-wrap .text-wrap p.m-text,
    .perspective-section .perspective-wrap .inner .contents-wrap .right-wrap .text-wrap p.m-text {
        display: block;
    }



    .professionals-section .main-title .wrapper120 h2 {
        font-size: 7.3rem;
        line-height: 1.1;
        letter-spacing: -0.5rem;
        margin-bottom: 32px;
    }
    .professionals-section .main-title .wrapper120 p {
        font-size: 16px;
    }

    .professionals-section .slide-container {
        padding: 70px 0 50px 0;
    }
    .professionals-section .slide-container .inner .title-wrap span {
        font-size: 18px;
    }
    .professionals-section .slide-container .inner .title-wrap h3 {
        font-size: 42px;
        margin-bottom: 14px;
    }
    .professionals-section .slide-container .inner .title-wrap h3.m-text {
        display: block;
    }
    .professionals-section .slide-container .inner .title-wrap h3.pc-text {
        display: none;
    }
    .professionals-section .slide-container .inner .title-wrap p {
        font-size: 14px;
    }
    .professionals-section .slide-container .inner .img-wrap .main-img {
        width: 90%;
    }
    .professionals-section .slide-container .inner .img-wrap .sub-img-wrap {
        width: 50%;
        gap: 10px;
    }
    .professionals-section .slide-container .inner .img-wrap .sub-img-wrap span {
        font-size: 10px;
        text-align: left;
    }
 
    
}