@charset "utf-8";

/********** 공통 **********/
main {
  background-color: #fff;
}

.section {
  padding: 10rem 0;
  overflow-x: hidden;
}

.sec__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 8px 20px;
  font-family: var(--head-font);
  font-weight: 400;
  font-size: 1.8rem;
  color: #fff;
  border-radius: 50px;
}

.sec__label--dark {
  background: #000;
}

.sec__label--light {
  background: var(--white10);
  backdrop-filter: blur(5px);
}

.sec__tit>* {
  display: block;
  font-family: var(--head-font);
}

.sec__tit--st200 {
  font-weight: 500;
  font-size: clamp(6rem, 10.42vw, 20rem);
  color: #fff;
  white-space: nowrap;
}

.sec__tit--st120 {
  line-height: 1;
  font-weight: 500;
  font-size: clamp(5rem, 6.25vw, 12rem);
}

.sec__tit--st90 {
  display: flex;
  gap: 20px;
  line-height: 1.2;
  font-weight: 500;
  font-size: clamp(4rem, 4.69vw, 9rem);
}

.sec__tit--st50 {
  line-height: 1.3;
  font-weight: 400;
  font-size: clamp(3.2rem, 2.7vw, 5rem);
}

.sec__tit--st48 {
  line-height: 1.2;
  font-weight: 500;
  font-size: clamp(3rem, 2.6vw, 4.8rem);
}

.sec__flex {
  display: flex;
}

.sec__flex .sec__head {
  flex-shrink: 0;
  width: 20%;
  max-width: 370px;
  padding-right: 4rem;
}

.sec__flex .sec__body {
  flex-grow: 1;
  width: 80%;
}

.more-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 8px 8px 8px 20px;
  font-family: var(--head-font);
  font-size: 1.8rem;
  border-radius: 50px;
  letter-spacing: 0px;
  white-space: nowrap;
  overflow: hidden;
}

.more-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 0px;
  transform: translate(-50%, -50%) scale(0);
  width: 40px;
  height: 40px;
  border-radius: 100%;
  transition: transform 0.5s ease;
  z-index: -1;
}

.more-btn--dark::before {
  background: #000;
}

.more-btn--light::before {
  background: #fff;
}

.more-btn:hover::before {
  transform: translate(-50%, -50%) scale(10);
}

.more-btn--dark:hover {
  color: #fff;
}

.more-btn--light:hover {
  color: #000;
}

.more-btn i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 100%;
}

.more-btn--dark {
  background: var(--gray-f2);
}

.more-btn--dark i {
  background: #000;
}

.more-btn--light {
  color: #fff;
  background: var(--white10);
  border: 1px solid var(--white15);
  backdrop-filter: blur(5px);
}

.more-btn--light i {
  background: #fff;
}

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

.split-text {
  opacity: 0;
  /* 처음에는 숨김 */
}

.split-text .char {
  display: inline-block;
  opacity: 0;
}


/********** 메인 비주얼 **********/
.hero {
  position: relative;
  height: 100vh;
  padding: 66px 25px 25px 25px;
  background: #121212;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(../img/main/main-vi-pattern.png);
  z-index: 2;
}
.hero .inner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 30px;
}
.hero .inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(../img/main/main-vi-center.png)center center / contain no-repeat;
  z-index: 2;
}
.hero .inner::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(../img/main/main-vi-left-right.png)center center / contain no-repeat;
}
.hero .main-vi-marquee {
  position: absolute;
  top: 10px;
  left: 0;
  width: 100%;
  z-index: 1;
}
.hero .main-vi-marquee .marquee-inner {
  display: flex;
  animation: marqueeScroll 30s linear infinite;
}
.hero .vi-text-center {
  position: absolute;
  top: 50%;
  left: 50px;
  width: 100%;
  transform: translateY(-50%);
  z-index: 1;
}
.hero .vi-text-center .ico {
  display: flex;
  gap: 10px;
}
.hero .vi-text-center .ico > span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
}
.hero .vi-text-center .ico span::before {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: #444;
}
.hero .vi-text-center .ico span::after {
  content: "";
  display: block;
  width: 1px;
  height: 100%;
  margin-left: -7px;
  background: #444;
}
.hero .vi-text-center p {
  line-height: 20px;
  margin-top: 20px;
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0;
}
.hero .vi-text-bottom {
  position: absolute;
  bottom: 40px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 70px;
  z-index: 1;
}
.hero .vi-text-bottom p {
  display: flex;
  align-items: flex-end;
  font-family:'Orbitron';
  font-size: 120px;
  background: linear-gradient(90deg, #000, #999, #000);
  background-size: 300%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: flow 4s linear infinite;
}
.hero .vi-text-bottom p::after {
  content: "(c) OBOA";
  font-size: 14px;
  margin-bottom: 12px;
}
@keyframes flow {
  0% { background-position: 0% center; }
  100% { background-position: 300% center; }
}
.hero .main-vi-bg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background: url(../img/main/cloud_background.png)center center / cover no-repeat;
}
.hero .main-vi-bg img {
  width: 105%;
  margin-left: -30px;
  height: auto;
  transform: translate3d(0, 0, 0);
  will-change: transform;
  transition: transform 0.05s ease-out;
}
.hero .main-vi-bg .mobile { display: none; }
.hero .robot-container {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translate3d(-50%, 0, 0); /* 중심 정렬 */
  transition: transform 0.1s ease-out;
  will-change: transform;
  pointer-events: none; /* 클릭 안 먹게 */
  z-index: 1;
}
.hero .robot-container .robot-arm {
  display: block;
  height: auto;
}
@media only screen and (max-width: 1320px) {
  .hero .main-vi-bg {
    display: flex;
    align-items: flex-end;
  }
  .hero .main-vi-bg img {
    margin-bottom: -10px;
  }
}
@media only screen and (max-width: 1300px) {
  .hero .robot-container .robot-arm { width: 120%; }
}
@media only screen and (max-width: 1199px) {
  .hero .vi-text-bottom { padding: 0 40px; }
  .hero .vi-text-bottom p { font-size: 90px; }
}
@media only screen and (max-width: 1023px) {
  .hero { padding: 62px 15px 15px 15px }
  .hero .inner::before { display: none; }

  .hero .main-vi-marquee .marquee-inner { width: 6000px; animation-duration: 50s; }
  .hero .vi-text-center { display: none; }
  .hero .vi-text-bottom { 
    flex-wrap: wrap;
    flex-direction: column-reverse;
    gap: 10px;
  }
  .hero .vi-text-bottom > p { width: 100%; }

  .hero .main-vi-bg > img { display: none; }
  .hero .main-vi-bg .mobile { 
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    display: flex;
  }

  .hero .robot-container .robot-arm { width: 700px; }
}
@media only screen and (max-width: 767px) {
  .hero .vi-text-bottom p { font-size: 60px; }
  .hero .robot-container .robot-arm { width: 650px; }
}
@media only screen and (max-width: 650px) {
  .hero .robot-container .robot-arm { width: 500px; }
}


/********** philosophy **********/
.philosophy {
  background: #121212;
}
.philosophy .inner-padding {
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.philosophy .lf strong {
  display: block;
  margin-top: 2.604vw;
  font-weight: 500;
  font-size: 6.25vw;
  color: #fff;
}
.philosophy .lf p {
  margin-top: 1.563vw;
  line-height: 1.771vw;
  font-weight: 300;
  font-size: 1.042vw;
  color: #999;;
}
.philosophy .rg {
  height: 24.479vw;
  overflow: hidden;
}
.philosophy .cylinder-text .text-wrap {
  margin-top: -10px;
}
.philosophy .cylinder-text .text-wrap .line {
  position: relative;
  display: flex;
  align-items: flex-end;
}
.philosophy .cylinder-text .text-wrap .line > span {
  display: block;
  line-height: .68;
  font-weight: 600;
  font-size: 12.5vw;
  color: transparent;
  -webkit-text-stroke: 1px white;
  text-transform: uppercase;
}
.philosophy .cylinder-text .text-wrap .line > span.rota {
  position: absolute;
  bottom: 0;
  left: 0;
  transform-origin: bottom center;
  transform-style: preserve-3d;
  animation: text_rotation 8s infinite linear;
}
.philosophy .cylinder-text .text-wrap .line.top > span.rota {
  transform-origin: top center;
}
.philosophy .cylinder-text .text-wrap .line.rever span {
  transform: scaleY(-1);
}
@keyframes text_rotation {
  0%   { transform: rotateX(0deg); }
  25%  { transform: rotateX(90deg); }
  50%  { transform: rotateX(180deg); }
  75%  { transform: rotateX(270deg); }
  100% { transform: rotateX(360deg); }
}
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-1 { animation-delay: 1s; }
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-2 { animation-delay: 2s; }
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-3 { animation-delay: 3s; }
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-4 { animation-delay: 4s; }
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-5 { animation-delay: 5s; }
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-6 { animation-delay: 6s; }
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-7 { animation-delay: 7s; }
.philosophy .cylinder-text .text-wrap .line > span.rota.delay-8 { animation-delay: 8s; }
@media only screen and (max-width: 1300px) {
  .philosophy .lf p { font-size: 1.231vw }
}
@media only screen and (max-width: 1023px) {
  .philosophy .inner-padding { flex-direction: column; gap: 30px; }

  .philosophy .lf { width: 100%; text-align: center; }
  .philosophy .lf strong { font-size: 56px; }
  .philosophy .lf p { 
    line-height: 22px;
    font-size: 14px;
  }

  .philosophy .rg { height: 250px; }
  .philosophy .cylinder-text .text-wrap .line > span { font-size: 130px; }
}
@media only screen and (max-width: 580px) {
  .philosophy .lf strong { font-size: 42px; }
  .philosophy .lf p { 
    line-height: 18px;
    font-size: 12px;
    word-break: keep-all;
  }

  .philosophy .rg { height: 43.103vw; }
  .philosophy .cylinder-text .text-wrap .line > span { font-size: 22.414vw; }
}






/********** achieve **********/
.achieve .sec__flex {
  align-items: flex-end;
}

.achieve .list {
  display: flex;
  align-items: stretch;
}

.achieve .list .item:first-child {
  border-left: 1px solid var(--gray-e5);
}

.achieve .list .item {
  width: 25%;
  display: flex;
  flex-direction: column;
  gap: 30px;
  height: 100%;
  padding: 0 3rem;
  border-right: 1px solid var(--gray-e5);
}

.achieve .list .item .value {
  font-family: var(--head-font);
  font-weight: 500;
  font-size: clamp(3rem, 5vw, 10rem);
}

.achieve .list .item .desc {
  font-family: var(--head-font);
  font-weight: 500;
  font-size: 1.8rem;
}

/********** visual **********/
.section.visual {
  height: fit-content;
  padding: 0;
  overflow: hidden;
  perspective: 1000px;
}

.visual .media {
  width: 100%;
  height: 100%;
  margin-bottom: -10px;
  transform-origin: center center;
  will-change: transform;
  background-color: #f2efee;
}

/********** marquee **********/
.marquee {
  /* padding: 1rem 0; */
}

.marquee .inner {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 4rem 1rem;
  overflow: hidden;
}

.marquee .inner--st1 {
  background: linear-gradient(100deg, #d7dbe5 3.83%, #b4c3d6 35.79%, #a8afca 52.66%, #d4c6db 68.2%, #e5e7eb 96.17%);
}

.marquee .inner--st2 {
  background: var(--gradient1, linear-gradient(100deg, #a9ccee 3.83%, #bfa7d0 64.26%, #dfc0c1 96.17%));
}

.marquee .inner .list {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 3rem;
  animation: marqueeScroll 30s linear infinite;
  white-space: nowrap;
}

.marquee .inner .list .item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 3rem;
  font-family: var(--head-font);
  font-weight: 500;
  font-size: 4.5rem;
  color: var(--white70);
}

.marquee .inner .list .item::after {
  content: '';
  display: block;
  width: 7px;
  height: 7px;
  background: var(--white70);
  border-radius: 100%;
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-100%);
  }
}

/********** ai **********/
.ai .sec__body {
  display: flex;
  justify-content: space-between;
}

.ai .sec__body .sec__tit {
  line-height: 70px;
}

.ai .sec__body .sec__tit br {
  display: none;
}

.ai .sec__body .text {
  flex-shrink: 0;
  width: calc(100% - 350px);
  padding-right: 3rem;
}

.ai .sec__body .text .image-mask {
  display: inline-block;
  width: 0;
  height: auto;
  vertical-align: middle;
  overflow: hidden;
}

.ai .sec__body .text .image-mask img {
  display: block;
  width: 160px;
}

.ai .sec__body .media {
  max-width: 450px;
  height: 310px;
}

.ai .sec__body .media video {
  border-radius: 1rem;
  overflow: hidden;
}

/********** studio **********/
.studio {
  position: relative;
  text-align: center;
}

.studio .body {
  position: relative;
  z-index: 1;
}

.studio .body .sec__tit {
  mix-blend-mode: difference;
}

.studio .media {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

/********** commerce **********/
.commerce {
  padding: 0;
  background-color: #000;
  transition: background-color 0.3s ease-out;
  overflow-y: hidden;
}

.commerce .inner-padding {
  position: relative;
  height: 100vh;
  padding-top: 10rem;
  padding-bottom: 10rem;
}

.commerce .sec__tit {
  position: relative;
  z-index: 2;
  color: #fff;
  mix-blend-mode: difference;
}

.commerce .rg {
  position: relative;
  text-align: right;
}

.commerce .ce {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

.commerce .media {
  width: 100%;
  height: 100%;
}

.commerce .sec__label,
.commerce .sec__tit,
.commerce .more-btn {
  opacity: 0;
}

/********** education **********/
.education {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 700px;
  overflow: hidden;
}

.education .inner-padding {
  position: relative;
  z-index: 2;
}

.education .sec__tit {
  color: #fff;
  mix-blend-mode: difference;
}

.education .media {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.education .split {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.education .split .bx {
  display: flex;
  width: 100%;
  height: 20%;
}

.education .split .bx>div {
  margin-top: -1%;
  background-color: #000;
}

/********** project **********/
.project-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
}
.project-section .tit-box { text-align: center; }
/* 처음에 나오는 카드 3장 */
.project-card-wrap .first-card-list {
  position: absolute;
  top: 50%; left: 50%;
  width: 290px;
  height: 360px;
  transform: translate(-50%, -50%);
}
.project-card-wrap .first-card-list .card {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: translateY(100px);
}
.project-card-wrap .first-card-list .card img {
  width: 100%;
  object-fit: cover;
}
/* 기준 좌표용 그리드 */
.project-card-wrap .coordinate-row {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1920px;
  height: 100vh;
  display: flex;
  z-index: 1;
}
.project-card-wrap .coordinate-row .col {
  position: relative;
  flex: 1;
}
.project-card-wrap .coordinate-row .col2,
.project-card-wrap .coordinate-row .col4 {
  transform: translateY(100px);
}
.project-card-wrap .coordinate-row .col .box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.project-card-wrap .coordinate-row .col .box .project-el--clone {
  width: 290px;
  height: 360px;
  margin-top: 100px;
}
/* 실제 보이는 카드 */
.project-grid-card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}
.project-grid-card a.over .img img,
.project-grid-card a.over .metas {
  opacity: 1;
}
.project-grid-card a {
  position: absolute;
  width: 290px;
  height: 360px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  visibility: hidden;
}
.project-grid-card a .img {
  background: #000;
}
.project-grid-card a .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
  transition: all 0.4s;
}
.project-grid-card a .metas {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  opacity: 0;
  transition: all 0.4s;
}
.project-grid-card a .metas .client {
  font-weight: 500;
  font-size: 15px;
  text-transform: uppercase;
}
.project-grid-card a .metas .title {
  font-weight: 500;
  font-size: 14px;
}
@media only screen and (max-width: 1023px) {
  .project-card-wrap .coordinate-row { width: 1500px; }
  .project-card-wrap .first-card-list,
  .project-card-wrap .coordinate-row .col .box .project-el--clone,
  .project-grid-card a {
    width: 230px;
    height: 300px;
  }
}
@media only screen and (max-width: 767px) {
  .project-card-wrap .coordinate-row { width: 1000px; }
  .project-card-wrap .coordinate-row .col .box .project-el--clone { margin-top: 60px; }
  .project-card-wrap .first-card-list,
  .project-card-wrap .coordinate-row .col .box .project-el--clone,
  .project-grid-card a {
    width: 180px;
    height: 250px;
  }
}


/********** review **********/
.section.review {
  position: relative;
  padding-bottom: 0;
  background: linear-gradient(100deg, #a9ccee 3.83%, #bfa7d0 64.26%, #dfc0c1 96.17%);
  overflow: hidden;
}

.review .main {
  position: relative;
  width: fit-content;
  margin: 0 auto;
}

.review .main .list {
  position: absolute;
  bottom: 10rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.review .review-swiper {
  width: 100vw;
  overflow: visible;
}

.review .item {
  width: 410px;
  height: 460px;
}

.review .item .inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: 30px;
  background: var(--white10);
  border: 1px solid var(--white30);
  border-radius: 2rem;
  backdrop-filter: blur(10px);
  transform-style: preserve-3d;
  will-change: transform;
  pointer-events: none;
}

.review .item .inner .job {
  display: block;
  font-weight: 600;
  font-size: 2.4rem;
  color: #fff;
}

.review .item .inner .text {
  line-height: 1.6;
  font-weight: 500;
  font-size: 2rem;
  color: #fff;
  word-break: keep-all;
}

.review .item .inner .author {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 30px;
}

.review .item .inner .author picture {
  display: block;
  width: 50px;
  height: 50px;
  border-radius: 100%;
  overflow: hidden;
}

.review .item .inner .author picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review .item .inner .author span {
  font-size: 18px;
  color: #fff;
}

.review .pagination.swiper-pagination-bullets {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.review .pagination.swiper-pagination-bullets .swiper-pagination-bullet {
  width: 20px;
  height: 5px;
  background-color: #fff;
  border-radius: 0;
}

.review .pagination.swiper-pagination-bullets .swiper-pagination-bullet-active {
  width: 40px;
}

.review .phone-wrap {
  position: relative;
  z-index: 1;
}

.review .phone-wrap .text {
  position: absolute;
  top: 16rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  padding: 0 20px;
  text-align: center;
}

.review .phone-wrap .text .sec__tit {
  justify-content: center;
  margin-top: 30px;
  color: #fff;
}

.review .bg {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.review .bg .obj {
  position: absolute;
}

.review .bg .obj--right {
  top: -140px;
  right: 200px;
}

.review .bg .obj--left {
  bottom: -240px;
  left: 50px;
}

/********** vision **********/
.vision {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  padding: 0;
  background-color: #000;
  overflow: hidden;
}

.vision .inner-padding {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.vision .sec__tit {
  justify-content: center;
  margin-bottom: 50px;
  color: #fff;
  text-align: center;
}

.vision .circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  width: 1100px;
  height: 1100px;
  margin: 0 auto;
}

.vision .scale-change {
  width: 100%;
  height: 100%;
  will-change: transform;
  animation: scaleChange 5s ease-out infinite;
}

.vision .vision__3d {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 100;
  width: 100%;
  height: 100%;

}

.vision .track {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid var(--white40);
  border-radius: 100%;
  animation: rotateTrack 20s linear infinite;
}

.vision .track--1 {
  z-index: 1;
  width: 1100px;
  height: 1100px;
  border-style: dashed;
  animation: rotateTrack 30s linear infinite;
}

.vision .track--1 .item:first-child {
  top: calc(50% - 30px);
  right: -50px;
}

.vision .track--2 {
  z-index: 2;
  width: 900px;
  height: 900px;
  animation: rotateTrack 40s linear infinite reverse;
}

.vision .track--2 .item:first-child {
  top: 50%;
  left: -50px;
}
.vision .track--2 .item:nth-child(2) {
  top: 144px;
  right: 30px;
}

.vision .track--3 {
  z-index: 3;
  width: 700px;
  height: 700px;
  border-style: dashed;
  animation: rotateTrack 30s linear infinite;
}

.vision .track--3 .item:first-child {
  bottom: 60px;
  right: 30px;
}




.vision .item {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  border-radius: 100%;
  overflow: hidden;
}

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

.vision .media { 
  opacity: .6;
}

@keyframes rotateTrack {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes scaleChange {
  0% {
    transform: scale(1);
  }

  10% {
    transform: scale(.85);
  }

  50% {
    transform: scale(.85);
  }

  60% {
    transform: scale(1);
  }

  100% {
    transform: scale(1);
  }
}

/********** skill **********/
.skill {
  position: relative;
  background: url(../img/main/skill_dot_bg.png)top left #121212;
  overflow: hidden;
}
.skill .inner-padding { padding-top: 100px; }
.skill .gra-bg {
  position: absolute;
  top: 0;
  right: 0;
}
.skill .sub-tit {
  margin-bottom: 40px;
  font-size: 16px;
  color: #fff;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.skill .sec__tit {
  color: #fff;
  text-align: center;
}
.skill .circle {
  position: relative;
  display: block;
  margin-top: 50px;
  margin-bottom: -380px;
  text-align: center;
  z-index: 1;
}
.skill-trigger{
  position: relative;
  min-height: 100vh; 
  display: grid;
  place-items: center;
}
.skill .grid-wrap {
  perspective: 2000px;
  -webkit-perspective: 1600px;
  overflow: visible;
}
.skill .grid-container {
  position: relative;
  width: 642px;
  height: 642px;
  margin: 0 auto;
  padding: 10px 0 10px 10px;
  background: #161616;
  border-radius: 20px;

  transform: rotateX(40deg) scale(1.4);
  transform-origin: top center;
  will-change: transform;

  transform-style: preserve-3d;
}
.skill .grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.skill .grid .card {
  width: calc(100% / 4 - 10px);
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 15px;

  backface-visibility: hidden;
  will-change: transform, opacity;
}
.skill .grid .card.highlighted img {
  display: block;
  width: 100%;
  height: 100%;
}
.skill .highlight-row {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform-style: preserve-3d;
}
.skill .highlight-row .card {
  width: 220px;
  aspect-ratio: 1 / 1;
}
.skill .highlight-row .card img { display: block; width: 100%; height: 100%; }
@media only screen and (max-width: 700px) {
  .skill .circle { margin-bottom: -420px; }
  .skill .circle img { width: 380px; }

  .skill .grid-container { width: 80vw; height: 80vw; }
  .skill .grid .card { border-radius: 13px; }
}
@media only screen and (max-width: 520px) {
  .skill .circle img { width: 280px; }
  .skill .grid .card { border-radius: 7px; }
}

/********** notice **********/
.notice {
  position: relative;
  width: 100%;
  height: 100vh;
  background: #121212;
  overflow-y: hidden;
}
.notice .sec__tit {
  font-weight: 400;
  font-size: 60px;
  color: #fff;
}
.notice .sec__tit > span {
  display: block;
  margin-bottom: 10px;
  font-size: 16px;
  letter-spacing: 0;
  opacity: .6;
}
.notice .notice-list {
  display: flex;
  gap: 100px;
  flex-wrap: nowrap;
  margin-top: 50px;
  will-change: transform;
}
.notice .notice-list > li {
  position: relative;
  flex: 0 0 460px;
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
  height: 60vh;
  overflow: hidden;
}
.notice .notice-list > li a {
  display: block;
  width: 100%;
  height: 100%;
}
.notice .notice-list li .hover-con {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
}
.notice .notice-list li .hover-con > div {
  opacity: 0;
  transition: all 0.2s;
}
.notice .notice-list li .hover-con strong {
  display: block;
  margin-bottom: 20px;
  font-weight: 500;
  font-size: 22px;
  color: #fff;
}
.notice .notice-list li .hover-con p {
  line-height: 24px;;
  font-size: 14px;
  color: #fff;
}
.notice .notice-list li .text {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
  z-index: 1;
  height: 100%;
  padding: 20px;
  transition: all 0.2s;
}
.notice .notice-list li .text strong {
  display: block;
  width: 100%;
  text-align: center;
  font-weight: 400;
  color: #fff;
  transition: all 0.2s;
}
.notice .notice-list li .text .date {
  display: block;
  width: 100%;
  font-size: 14px;
  text-align: center;
  color: #fff;
  transition: all 0.2s;
}
.notice .notice-list li .bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: all 0.2s;
}
.notice .notice-list li .bg img {
  display: block;
  width: 100%;
  height: 100%;
}
/* 마우스 오버 */
.notice .notice-list li.hover .hover-con {
  opacity: .8;
  z-index: 1;
}
.notice .notice-list li.hover .hover-con > div {
  opacity: 1;
  transition: all 0.2s;
}
.notice .notice-list li.hover .text {
  height: 120%
}
.notice .notice-list li.hover .text strong {
  margin-top: -50px;
}
.notice .notice-list li.hover .text .date {
  margin-bottom: -100px;
}
.notice .notice-list li.hover .bg {
  filter: brightness(0.7);
}
.notice .progress-bar-wrap {
    position: absolute;
    bottom: 50px;
    left: 50%;
    width: 160px;
    height: 16px;
    transform: translateX(-50%);
    z-index: 10;
}
.notice .progress-bar-wrap .progress-bar {
  display: flex;
  gap: 15px;
  height: 100%;
  overflow: hidden;
}
.notice .progress-bar-wrap .progress-bar > span {
  display: block;
  width: 1px;
  height: 100%;
  background: #fff;
}
.notice .progress-bar-wrap .progress-bar .active-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 10%;
  height: 100%;
  background: #121212;
  border: 1px solid #fff;
  z-index: 1;
}
@media only screen and (max-width: 1023px) {
  .notice .notice-list { gap: 60px; } 
  .notice .notice-list > li { flex: 0 0 400px; }
}
@media only screen and (max-width: 767px) {
  .notice .sec__tit { font-size: 40px; } 
}















@media only screen and (max-width: 1400px) {

  /********** 공통 **********/
  .section {
    padding: 6rem 0;
  }

  /********** ai **********/
  .ai .sec__head {
    width: unset;
  }
}

@media only screen and (max-width: 1200px) {

  /********** ai **********/
  .ai .sec__body .sec__tit {
    line-height: 50px;
  }

  .ai .sec__body .text .image-mask img {
    height: 50px;
  }

  .ai .sec__body .media {
    height: 260px;
  }

  /********** project **********/

}

@media only screen and (max-width: 1023px) {

  /********** 공통 **********/
  .section {
    padding: 5rem 0;
  }

  .sec__label {
    padding: 5px 15px;
    font-size: 16px;
  }

  .sec__tit--st120 {
    font-size: clamp(4rem, 5vw, 5rem);
  }

  .more-btn {
    gap: 15px;
    padding: 6px 6px 6px 15px;
    font-size: 16px;
  }

  .more-btn i {
    width: 36px;
    height: 36px;
  }

  /********** 메인 비주얼 **********/
  .main-vi__slogan-icon svg {
    width: clamp(50px, 7vw, 100px);
  }

  .main-vi__slogan-word {
    font-size: clamp(6rem, 10vw, 10rem);
  }

  .mask-bg__vision {
    width: 100px;
    height: 100px;
  }

  /********** achieve **********/
  .achieve .sec__flex {
    flex-direction: column;
    row-gap: 2rem;
    align-items: baseline;
  }

  .achieve .sec__head {
    width: 100%;
  }

  .achieve .sec__head br {
    display: none;
  }

  .achieve .sec__body {
    width: 100%;
  }

  /********** marquee **********/
  .marquee {
    padding: 2rem;
  }

  .marquee .inner {
    gap: 2rem;
    padding: 4rem 1rem;
    border-radius: 1rem;
  }

  .marquee .inner .list {
    gap: 2rem;
  }

  .marquee .inner .list .item {
    gap: 2rem;
    font-size: 3rem;
  }

  .marquee .inner .list .item::after {
    width: 4px;
    height: 4px;
  }

  /********** ai **********/
  .ai .sec__flex {
    flex-direction: column;
    row-gap: 2rem;
  }

  .ai .sec__head {
    max-width: unset;
    padding-right: 0;
  }

  .ai .sec__body {
    flex-direction: column;
    row-gap: 2rem;
    width: 100%;
  }

  .ai .sec__body .text {
    width: 100%;
  }

  .ai .sec__body .media {
    max-width: 100%;
    height: 240px;
  }

  /********** commerce **********/
  .commerce .inner-padding {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  /********** project **********/


  /********** skill **********/
  .skill .desc {
    font-size: 2.6rem;
  }

  /********** review **********/
  .section.review {
    min-height: unset;
    padding-top: 10rem;
  }

  .review .item {
    width: 340px;
    height: 400px;
  }

  .review .item .inner .job {
    font-size: 20px;
  }

  .review .item .inner svg {
    width: 20px;
  }

  .review .item .inner .text {
    font-size: 16px;
  }

  .review .item .inner .author picture {
    width: 40px;
    height: 40px;
  }

  .review .phone-wrap .text .sec__tit {
    font-size: clamp(4rem, 2.7vw, 5rem);
  }

  .review .phone-wrap picture img {
    max-width: 650px;
  }

  /********** vision **********/
  .vision {
    height: 550px;
  }

  .vision .sec__tit--st50 br {
    display: none;
  }

  .vision .circle {
    width: 768px;
    height: 768px;
  }

  .vision .center img {
    width: 320px;
  }

  .vision .track--1 {
    width: 768px;
    height: 768px;
  }

  .vision .track--1 .item:first-child {
    right: -42px;
  }

  .vision .track--1 .item:nth-child(2) {
    bottom: 54px;
  }

  .vision .track--1 .item:last-child {
    top: -8px;
  }

  .vision .track--2 {
    width: 640px;
    height: 640px;
  }

  .vision .track--2 .item:first-child {
    left: -36px;
  }

  .vision .track--2 .item:nth-child(2) {
    top: -39px;
  }

  .vision .track--2 .item:last-child {
    bottom: 20px;
  }

  .vision .track--3 {
    width: 500px;
    height: 500px;
  }

  .vision .track--3 .item:first-child {
    top: 40px;
  }

  .vision .track--3 .item:nth-child(2) {
    bottom: 44px;
  }

  .vision .track--3 .item:last-child {
    top: 42px;
  }

  .vision .item {
    width: 70px;
    height: 70px;
  }

  .vision .item img {
    width: 35px;
  }

  /********** notice **********/
  .notice .sec__flex {
    flex-direction: column;
    row-gap: 2rem;
  }

  .notice .sec__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: unset;
    margin-bottom: 30px;
    padding-right: 0;
  }

  .notice .sec__head br {
    display: none;
  }

  .notice .sec__head .sec__tit {
    margin-bottom: 0;
  }

  .notice .sec__body {
    width: 100%;
  }
}

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

  /********** 메인 비주얼 **********/
  .main-vi__slogan {
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
  }

  .main-vi__slogan-line {
    justify-content: center;
    gap: 5px;
  }

  .main-vi__slogan-word {
    gap: 5px;
    font-size: clamp(4.8rem, 7vw, 8rem);
  }

  .main-vi__slogan-icon svg {
    width: clamp(35px, 5vw, 80px);
  }

  /********** achieve **********/
  .achieve .list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .achieve .list .item {
    width: 100%;
    padding: 2rem;
    border-right: 0;
  }

  .achieve .list .item:first-child {
    border-left: 0;
  }

  .achieve .list .item:nth-child(2n) {
    border-left: 1px solid var(--gray-e5);
  }

  .achieve .list .item:nth-child(n + 3) {
    border-top: 1px solid var(--gray-e5);
  }

  .achieve .list .item .value {
    font-size: 4rem;
  }

  /********** visual **********/
  .section.visual {
    height: 400px;
  }

  /********** marquee **********/
  .marquee {
    padding: 1.5rem;
  }

  .marquee .inner {
    gap: 1.5rem;
    padding: 3rem 1rem;
  }

  .marquee .inner .list {
    gap: 1.5rem;
  }

  .marquee .inner .list .item {
    gap: 1.5rem;
    font-size: 2.6rem;
  }

  /********** review **********/
  /* .section.review { height: 1030px; }
  .review .main { height: 100%; }
  .review .main .list { bottom: 5rem; }
  .review .phone-wrap { height: 100%; }
  .review .phone-wrap .text { top: 20rem; }
  .review .phone-wrap picture { height: 100%; }
  .review .phone-wrap picture img { max-width: 500px; height: 100%; } */
  .section.review {
    padding: 5rem 0;
  }

  .review .main {
    display: flex;
    flex-direction: column-reverse;
    row-gap: 30px;
  }

  .review .phone-wrap .text {
    position: relative;
    top: unset;
    left: unset;
    transform: unset;
  }

  .review .main .list {
    position: relative;
    bottom: unset;
    left: unset;
    transform: unset;
  }

  .review .phone-wrap picture {
    display: none;
  }

  /********** vision **********/
  .vision .circle {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  /********** notice **********/
  .notice .list .item {
    margin-bottom: 30px;
    padding-bottom: 30px;
  }

  .notice .list .item .date {
    width: 90px;
  }

  .notice .list .item .date em {
    line-height: 1.3;
    font-size: 3.5rem;
  }

  .notice .list .item .text {
    width: calc(100% - 90px);
  }

  .notice .list .item .text strong {
    font-size: 20px;
  }

  .notice .list .item .text p {
    margin: 10px 0 20px;
    font-size: 16px;
  }

  /********** commerce **********/
  .commerce .inner-padding {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
}

@media only screen and (max-width: 460px) {

  /********** project **********/
  .project .listing .row .col {
    width: 18rem;
  }

  .project .listing .el picture img {
    width: 150px;
  }

  /********** notice **********/
  .notice .sec__head {
    flex-direction: column;
    align-items: baseline;
    row-gap: 2rem;
  }
}

@media only screen and (max-width: 390px) {}