.mv {
  max-width: 1845px;
  margin: 0 auto;
  border-radius: 20px;
  position: relative;
  width: 100%;
  overflow: hidden;
  z-index: 3;
}

.mv .swiper-slide {
  position: relative;
  height: 874px;
}

.mv .mv-arw-box{
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  pointer-events: none;
  z-index: 1;
}
.mv .arw-flex{
  position: relative;
}
.mv .arw-flex .arw-btn{
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 1px solid #191919;
  background-color: rgba(255, 255, 255, 0.5);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: auto;
  background-position: center;
  background-repeat: no-repeat;
  cursor: pointer;
}
.mv .arw-flex .prev-btn{background-image: url(/asset/img/main/mv-arw01.svg); left: 0;}
.mv .arw-flex .next-btn{background-image: url(/asset/img/main/mv-arw02.svg); right: 0;}

.mv .img-box {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.mv .img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.2);
  transition: 5s transform;
}

.mv .txt-box {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 1;
}

.mv .txt-box .container {
  height: 100%;
  display: flex;
  align-items: center;
}

.mv .variant-box {
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
}
.mv .variant-cont {
  position: relative;
  display: flex;
  justify-content: flex-end;
  z-index: 2;
  pointer-events: none;
}

.mv .scroll-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.mv .txt-box .txt-mt{
  margin-top: 115px;
}

/* 선의 외부 영역 (마스크 역할) */
.mv .scroll-line-wrapper {
  margin: 0 auto;
  width: 2px;
  height: 150px;
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

/* 실제로 움직이는 세로 그라데이션 선 */
.mv .scroll-line {
  width: 100%;
  height: 100%;
  position: absolute;
  /* 세로 방향 그라데이션 적용 */
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #FFF 50%, rgba(255, 255, 255, 0) 100%);
  animation: mv-drop 2.5s infinite cubic-bezier(0.65, 0, 0.35, 1);
}

/* 떨어지는 애니메이션 */
@keyframes mv-drop {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }

  30% {
    opacity: 1;
  }

  70% {
    opacity: 1;
  }

  100% {
    transform: translateY(100%);
    opacity: 0;
  }
}

/* 텍스트 깜빡임 효과 */
@keyframes mv-pulse {

  0%,
  100% {
    opacity: 0.4;
  }

  50% {
    opacity: 0.8;
  }
}

@media all and (max-width:768px){
  .mv .scroll-line-wrapper{
    height: 55px;
  }
  .mv .mv-arw-box{display: none;}
}

.mv .tit {
  overflow: hidden;
}

.mv .tit span {
  display: block;
  transform: translateY(100%);
  transition: 1s transform;
}
.mv .tit span.tag{
  padding: 5px 17px;
  border-radius: 5px;
  background-color: #36b7fa;
  width: fit-content;
}

.mv .swiper-slide-active .tit.delay-1 span {transition-delay: .5s;}
.mv .swiper-slide-active .tit.delay-2 span {transition-delay: .9s;}

.mv .swiper-slide-active .tit span {
  transform: translateY(0);
}

.mv .swiper-slide-active .img-box img {
  transform: scale(1);
}
.mv .swiper-player {
  position: absolute;
  left: 0;
  width: 100%;
  bottom: 105px;
  z-index: 2;
}

.mv .swiper-player .container {
  display: flex;
  align-items: center;
  gap: 18px;
}

/* 버튼 래퍼 */
.mv .player-btn {
  width: 72px;
  height: 72px;
  border: none; /* SVG로 대체 */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
}

/* SVG 프로그레스 */
.mv .player-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 72px;
  transform: rotate(-90deg); /* 12시 방향부터 시작 */
}

/* 배경 트랙 */
.mv .progress-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.3);
  stroke-width: 2;
}

/* 진행 바 */
.mv .progress-bar {
  fill: none;
  stroke: rgba(255, 255, 255, 1);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 207.3; /* 2 * π * 33 */
  stroke-dashoffset: 207.3; /* 처음엔 비어있음 */
}

/* 정지 상태일 때 진행 바 멈춤 */
.mv .player-btn.is-paused .progress-bar {
}

.mv .player-icon {
  position: relative;
  width: 10px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.mv .icon-pause {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: absolute;
  transition: opacity 0.3s;
}

.mv .icon-pause i {
  display: block;
  width: 2px;
  height: 12px;
  background: #fff;
  border-radius: 1px;
  font-style: normal;
}

.mv .icon-play {
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 0 6px 10px;
  border-color: transparent transparent transparent #fff;
  margin-left: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}

.mv .player-btn.is-paused .icon-pause { opacity: 0; }
.mv .player-btn.is-paused .icon-play  { opacity: 1; }

.mv .swiper-pageni{
  display: flex;
  align-items: center;
  gap: 10px;
}
.mv .swiper-pagination-bullet{
  width: 60px;
  height: 3px;
  background-color: rgba(255, 255, 255, .3);
  border-radius: 0;
  opacity: 1;
  position: relative;
}
.mv .swiper-pagination-bullet:before{
  width: 0;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  content: '';
  background-color: rgba(255, 255, 255, 1);
}
.mv .swiper-pagination-bullet-active:before{
  transition: width 1.5s;
  width: 100%;
}

@media all and (max-width:1200px){
  .mv .txt-box .txt-mt{
    margin-top: 90px;
  }
}
@media all and (max-width:1024px){
  .mv{
    border-radius: 0;
  }
  .mv .swiper-slide{
    height: calc(100vh - 55px);
  }
  .mv .player-btn,
  .mv .player-progress{
    width: 50px;
    height: 50px;
  }
  .mv .swiper-player{
    bottom: 90px;
  }
  .mv .swiper-player .container{
    gap: 10px;
  }
  .mv .swiper-pagination-bullet{
    width: 45px;
  }
  .mv .txt-box .txt-mt{
    margin-top: 70px;
  }
}

@media all and (max-width:768px){
  .mv .progress-track,
  .mv .progress-bar {
    stroke-width: 1.5px;
  }
  .mv .player-icon{
    width: 8px;
    height: 10px;
  }
  .mv .icon-pause i{
    height: 10px;
  }
  .mv .txt-box .txt-mt{
    margin-top: 50px;
  }
  .mv .swiper-slide{
    height: calc(100vh - 44px);
  }
}

@media all and (max-width:576px){
  .mv .swiper-pagination-bullet{
    width: 30px;
    height: 1px;
  }
  .mv .txt-box .txt-mt{
    margin-top: 0px;
  }

}

/* sec01 */
.sec01{overflow: clip;}
.sec01 .tit-box{
  position: relative;
  z-index: 1;
}

.sec01 .tit-box:before{
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(-50%,-50%);
  width: 50%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background: rgba(54, 183, 250, 0.20);
  filter: blur(100px);
  content: '';
  max-width: 786px;
  animation: glowPulse 4s ease-in-out infinite;
  z-index: -1;
  pointer-events: none;
}

@keyframes glowPulse {
  0%   {
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(54, 183, 250, 0.15);
  }
  50%  {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
    background: rgba(54, 183, 250, 0.30);
  }
  100% {
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(54, 183, 250, 0.15);
  }
}


.sec01 .crux-data{
  color: rgba(11, 71, 111, 0.1);
  font-size: 19rem; 
  position: relative;
  z-index: 1;
}
.sec01 .crux-data:before{
  position: absolute;
  right: 0;
  top: 0;
  transform: translate(50%,-50%);
  width: 50%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background: rgba(182, 163, 255, 0.20);
  filter: blur(100px);
  content: '';
  max-width: 673px;
  animation: glowPulse2 6s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  z-index: -1;
  pointer-events: none;
}

@keyframes glowPulse2 {
  0%   {
    opacity: 0.6;
    transform: translate(50%, -50%) scale(1) skew(0deg);
    background: rgba(182, 163, 255, 0.12);
  }
  30%  {
    opacity: 0.9;
    transform: translate(50%, -50%) scale(1.08) skew(1deg);
    background: rgba(182, 163, 255, 0.28);
  }
  60%  {
    opacity: 0.7;
    transform: translate(50%, -50%) scale(0.95) skew(-1deg);
    background: rgba(182, 163, 255, 0.18);
  }
  80%  {
    opacity: 1;
    transform: translate(50%, -50%) scale(1.05) skew(0.5deg);
    background: rgba(182, 163, 255, 0.32);
  }
  100% {
    opacity: 0.6;
    transform: translate(50%, -50%) scale(1) skew(0deg);
    background: rgba(182, 163, 255, 0.12);
  }
}
.sec01 .sec-line{
  width: 0;
  height: 1px;
  background-color: #CFCFCF;
  transition: width 1s;
}
.sec01 .sec-line.in-view{
  width: 100%;
}
.what-we-do{
  display: flex;
}
.what-we-do .left-wwd{
  width: 400px;
  min-width: 400px;
  position: relative;
}
.what-we-do .left-wwd .sticky-txt {
  position: sticky;
  top: 120px; /* 원하는 위치로 조절 */
}
.what-we-do .right-wwd{
  border-left: 1px solid #cfcfcf;
  width: 100%;
  overflow: hidden;
}
.what-we-do .list-box{
  display: flex;
  align-items: center;
  padding: 40px;
  justify-content: space-between;
}
.what-we-do .list-box + .list-box{
  border-top: 1px solid #cfcfcf;
}

.our-solu-tion{
  display: flex;
  gap: 24px;
  overflow: hidden;
}
.our-solu-tion .left-ost{
  width: calc(32% - 24px);
  background-color: #36B7FA;
  border-radius: 20px;
}
.our-solu-tion .ost-btn{
  padding: 30px 0;
  display: block;
  opacity: .4;
  cursor: pointer;
}
.our-solu-tion .ost-btn.active{
  opacity: 1;
}
.our-solu-tion .right-ost{
  width: 68%;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}
.our-solu-tion .right-ost .cont-box{
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  padding: 80px;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
  min-height: 910px;
}
.our-solu-tion .right-ost .cont-box.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

.our-solu-tion .right-ost .cont-box.bg01{
  position: relative;
  background-image: url(/asset/img/main/con02_img01.jpg);
}
.our-solu-tion .right-ost .cont-box.bg02{background-image: url(/asset/img/main/con02_img02.jpg);}
.our-solu-tion .right-ost .cont-box.bg03{background-image: url(/asset/img/main/con02_img03.jpg);}

.our-solu-tion .more-btn{
  width: 240px;
  height: 80px;
  border-radius: 500px;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.our-solu-tion .more-btn i{
  transition: .4s;
}
.our-solu-tion .more-btn:hover i{
  transform: translateX(10px);
}

.our-solu-tion .tag{
  padding: 12px 20px;
  width: fit-content;
  border-radius: 50px;
  background: linear-gradient(270deg, #B6A3FF 0%, #36B7FA 100%);
}
.our-solu-tion .num{
  opacity: 0.5;
background: linear-gradient(-90deg, rgba(255, 255, 255, 0.00) 0%, #FFF 100%);
background-clip: text;
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
writing-mode: sideways-lr;
font-size: 25rem;
line-height: .8;
pointer-events: none;
}

@media all and (max-width:1400px){
  .sec01 .crux-data{
    font-size: 15rem;
  }
  .our-solu-tion .num{
    font-size: 20rem;
  }
  .our-solu-tion .right-ost .cont-box{
    padding: 60px;
    min-height: 850px;
  }
}
@media all and (max-width:1200px){
  .sec01 .crux-data{
    font-size: 10rem;
  }
  .what-we-do .left-wwd{
    width: 300px;
    min-width: 300px;
  }
  .what-we-do .list-box{
    padding: 30px;
  }
  .our-solu-tion .num{
    font-size: 15rem;
  }
  .our-solu-tion .right-ost .cont-box{
    padding: 50px;
    min-height: 700px;
  }
}
@media all and (max-width:1024px){
  .what-we-do .left-wwd .sticky-txt{
    top: 60px;
  }
  .sec01 .crux-data{
    font-size: 8rem;
  }
  .what-we-do .left-wwd{
    width: 230px;
    min-width: 230px;
  }
  .what-we-do .list-box{
    padding: 25px;
  }

  .sec01 br.pc_only{display: none;}

  .our-solu-tion .more-btn{
    width: 180px;
    height: 60px;
  }
  .our-solu-tion .num{
    font-size: 10rem;
  }
  .our-solu-tion .right-ost .cont-box{
    padding: 35px;
    min-height: 600px;
  }
  .our-solu-tion .logo img{
    max-height: 50px;
  }
}
@media all and (max-width:768px){
  .sec01 .crux-data{
    font-size: 6rem;
  }
  .what-we-do .left-wwd{
    width: 150px;
    min-width: 150px;
  }
  .what-we-do .list-box{
    padding: 15px;
  }
  .our-solu-tion{
    flex-wrap: wrap;
    gap: 10px;
  }
  .our-solu-tion .left-ost{
    width: 100%;
    padding: 20px 0;
  }
  .our-solu-tion .btn-list{
    display: flex;
    margin-top: 20px;
  }
  .our-solu-tion .ost-btn{
    padding: 10px 0;
    width: 33.333%;
  }
  .our-solu-tion .right-ost{
    width: 100%;
  }
  .our-solu-tion .num{
    font-size: 8rem;
  }
  .our-solu-tion .right-ost .cont-box{
    padding: 25px;
    min-height: 500px;
  }
  .our-solu-tion .logo img{
    max-height: 45px;
  }
  .our-solu-tion .tag{
    padding: 5px 10px;
  }
}

@media all and (max-width:576px){
  .sec01 .crux-data{
    font-size: 5rem;
  }
  .what-we-do .left-wwd{
    width: 100%;
    min-width: auto;
    text-align: center;
  }
  .what-we-do .left-wwd br{
    display: none;
  }
  .what-we-do{
    flex-wrap: wrap;
  }
  .what-we-do .right-wwd{
    border-right: 1px solid #cfcfcf;
  }
  .our-solu-tion .more-btn{
    width: 150px;
    height: 45px;
  }
  .our-solu-tion .num{
    font-size: 6rem;
  }
  .our-solu-tion .right-ost .cont-box{
    padding: 25px 20px;
    min-height: 400px;
  }
  .our-solu-tion .logo img{
    max-height: 40px;
  }
}


/* sec02 */
.sec02 {
  overflow: hidden;
  background: url(/asset/img/main/part_bg.jpg)no-repeat center center /cover;
}

.sec02 .more-btn{
  width: 240px;
  height: 80px;
  border-radius: 500px;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 0 auto;
}

.sec02 .more-btn i{
  transition: .4s;
}
.sec02 .more-btn:hover i{
  transform: translateX(10px);
}

.sec02 .swiper-box{
  pointer-events: none;
}
.sec02 .swiper-box .swiper-wrapper{transition-timing-function:linear; }

@media all and (max-width:1400px){}
@media all and (max-width:1200px){}
@media all and (max-width:1024px){
  .sec02 .more-btn{
    width: 180px;
    height: 60px;
  }

}
@media all and (max-width:768px){}
@media all and (max-width:576px){
  .sec02 .more-btn{
    width: 150px;
    height: 45px;
  }
}