body {
  font-family: "Noto Sans KR", sans-serif;
}

/* common */
.wrap {
  width: 100%;
  margin: 0 auto;
}
body {
  background-color: #f5f5f7;
}
p {
  margin-bottom: 0 !important;
}
.loading {
  pointer-events: none;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  background-color: #fd7d91;
}
article {
  width: 100%;
  position: relative;
}
.keybg_wrap {
  width: 100%;
  height: 100%;
  position: absolute;
  overflow: hidden;
  top: 0;
  left: 0;
  z-index: 1;
  transform: translate3d(0, 0, 0);
}
.keybg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  overflow: hidden;
  transform: translate3d(0, 0, 0);
}
.keybg_1 {
  background: url(../img/pcbg/pc_bg_1.webp) no-repeat top/cover;
  z-index: 1;
  animation: hurotate 5s linear alternate infinite;
}

.keybg_2 {
  width: 180px;
  height: auto;
  z-index: 5;
  animation: airplane 10s linear infinite;
  overflow: visible;
}
.keybg_2:after {
  width: 20px;
  height: 20px;
  border-radius: 30px;
  background-color: #f5f5f7b7;
  content: "";
  position: absolute;
  right: -20px;
  bottom: 0;
  animation: air 0.8s 0.1s infinite linear;
}
.keybg_2:before {
  width: 25px;
  height: 25px;
  border-radius: 30px;
  background-color: #f5f5f7b7;
  content: "";
  position: absolute;
  right: -50px;
  bottom: -10px;
  animation: air 0.8s infinite linear;
}

@keyframes air {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}
.keybg_3 {
  background: url(../img/pcbg/pc_bg_3.webp) no-repeat top/cover;
  z-index: 3;
}
.keybg_4 {
  background: url(../img/pcbg/pc_bg_4.webp) no-repeat top/cover;
  z-index: 4;
}
.keybg_5 {
  width: 500px;
  height: auto;
  top: 0;
  right: 0;
  z-index: 2;
  animation: updown 2s linear alternate infinite;
}
.keybg_6 {
  background: url(../img/pcbg/pc_bg_6.webp) no-repeat top/cover;
  z-index: 6;
  position: relative;
  animation: picket 1s infinite linear alternate;
  transform-origin: 35% 35%;
}
@keyframes airplane {
  0% {
    transform: translate3d(100vw, 30vh, 0);
  }
  100% {
    transform: translate3d(-20vw, -10vh, 0);
  }
}
@keyframes hurotate {
  0% {
    filter: hue-rotate(0deg);
  }
  100% {
    filter: hue-rotate(360deg);
  }
}
@keyframes updown {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(0, 30px, 0);
  }
}
@keyframes scale {
  0% {
    transform: translate3d(0, 5%, 0);
  }
  100% {
    transform: translate3d(0, 0px, 0);
  }
}
@keyframes picket {
  0% {
    transform: rotate(-1deg);
  }

  100% {
    transform: rotate(1deg);
  }
}
section {
  width: 100%;
  position: relative;
}
.container {
  width: 100%;

  position: relative;
  max-width: 1376px;
  padding: 0 48px;
  margin: 0 auto;
}

/* hedaer */
header {
  width: 100%;
  height: 100%;
  position: relative;
  height: 150px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
}
.logo {
  width: 321px;
}

.header_con {
  height: 100%;
  max-width: 2500px;
  display: flex;
  align-items: center;
}

/* keyvisual */
.keyvisual {
  width: 100%;
  height: 2823px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}
.keyvisual_bg {
  width: 100%;
  position: relative;
}

.keyvisual_con1 {
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 16%;
  max-width: 41.96%;
}
.keyvisual_title_h {
  width: 100%;
}

.keyvisual_con2 {
  height: auto;
  position: absolute;
  bottom: 10%;
  max-width: 980px;
}
.numwrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
}
.num {
  flex-grow: 1;
  flex-basis: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.num_title {
  width: 210px;
  height: 64px;
  background-color: #e60024;
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.num_title_p {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
}
.num_nub {
  font-size: 50px;
  font-weight: 700;
  color: #418236;
}
#peopleNub,
#picketNub {
  font-weight: 900;
  font-size: 102px;
  margin-right: 10px;
}

/* upload */
.upload {
  width: 100%;
  height: auto;
  padding-bottom: 30px;
  z-index: 2;
}
.upload_con {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.upload_title {
  overflow: hidden;
  padding: 0 10px 0;
  display: inline-block;
  margin-top: 120px;
  text-align: center;
  position: relative;
  margin-bottom: 40px;
}
.upload_title2 {
  text-align: center;
  margin-bottom: 70px;
  position: relative;
  overflow: hidden;
}
.upload_title3 {
  margin-bottom: 70px;
  position: relative;
  overflow: hidden;
}
.upload_title_p {
  color: #e60024;
  position: relative;
  clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
  font-size: 28px;
  font-weight: 700;
}

.upload_title_h {
  font-size: 64px;
  color: #1d1d1f;
  font-weight: 700;
  clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
  line-height: 1.3;
}
.upload_title_p2 {
  color: #1d1d1f;
  text-align: center;
  font-size: 28px;
  clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
  font-weight: 500;
}

.upload_btns {
  margin: 0 auto;
  max-width: 780px;
  width: 100%;
  display: flex;
  align-items: center;
  margin-bottom: 120px;
  justify-content: center;
  gap: 25px;
}
.upload_btn {
  width: 354px;
  outline: 0;
  border: 0;
  background-color: #f5f5f7;
  box-shadow: 0px 9px 17px rgba(0, 0, 0, 0.1);
  border-radius: 30px;
  height: 102px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.upload_btn::before {
  content: "";
  position: absolute;
  transform: scale(0);
  width: 100px;
  height: 100px;
  border-radius: 100px;
  background-color: #e60024;
  transition: all 0.5s;
}
.upload_btn span {
  font-weight: 700;
  transition: color 0.5s 0.2s;
  font-size: 37px;
  z-index: 1;
  color: #e60024;
}
.upload_con2 {
  max-width: initial;
  padding: 0;
}
.slide_con {
  height: auto;
  width: 100%;
  padding: 100px 0;
  margin: 0 auto;
  overflow: hidden;
}
.upload_slider_wrapper {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
}

.upload_slide {
  overflow: hidden;
  transition: transform 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.swiper-slide-active {
  transform: scale(1.2);
}
.swiper-pagination-bullet-active {
  background-color: #e60024 !important;
  transform: scale(1.2);
}
.upload_slide_img img {
  border-radius: 8% 8% 8% 8% / 8% 8% 8% 8%;
}
#photoPop,
#videoPop {
  position: fixed;
  z-index: 99;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  display: none;
}
#photoPop.active,
#videoPop.active {
  display: block;
}
body.active {
  overflow: hidden;
}
#photoPop form,
#videoPop form {
  width: 585px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  position: absolute;
  height: auto;
  padding: 40px;
  background: #f5f5f7;
  box-shadow: 0px 0px 33px 2px rgba(0, 0, 0, 0.15);
  border-radius: 10px;
}
.popText_title {
  display: flex;
  margin-bottom: 50px;
  flex-direction: column;
}
.popText_p1 {
  font-size: 48px;
  color: #1d1d1f;
  font-weight: 500;
  margin-bottom: 70px;
}
.popText_p2 {
  position: relative;
  font-size: 18px;
  color: #1d1d1f;
  margin-bottom: 20px;
}
.photo_size,
.video_size {
  position: absolute;
  padding: 10px 15px;
  left: 0;
  bottom: -60px;
  text-align: center;
  font-size: 18px;
  border-radius: 8px;
  background-color: #fff;
  z-index: 1;
  opacity: 0;
  transition: opacity 1s;
  pointer-events: none;
}
.photo_size.active,
.video_size.active {
  opacity: 1;
}
.photo_size:before {
  width: 10px;
  height: 10px;
  background-color: #fff;
  position: absolute;
  content: "";
  transform: rotate(45deg);
  top: -5px;
  left: 20%;
}
.popText_p2:last-child {
  margin-bottom: 0;
}
#popTextUpload_1,
#popTextUpload_2 {
  display: none;
}

.popTextUpload_text {
  background-color: #ebebeb;
  width: 222px;
  height: 89px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1d1d1d;

  font-size: 32px;
  font-weight: 400;
  pointer-events: none;
  cursor: pointer;
}
.popTextUpload_img,
.vid_div {
  margin-top: 30px;
  width: 100%;
}
#popTextUploadBtn_1,
#popTextUploadBtn_2 {
  margin-top: 70px;
  width: 100%;
  height: 89px;
  background-color: #e60024;
  border-radius: 30px;
}
#popTextUploadBtn_1 span,
#popTextUploadBtn_2 span {
  color: #f5f5f7;
  font-size: 32px;
  font-weight: 400;
}
.close_btn {
  background-color: transparent;
  width: 26px;
  position: absolute;
  top: 40px;
  right: 40px;
}
/* participation */
.participation {
  height: auto;
  background-color: #fff;
  padding: 150px 0 0 0;
  position: relative;
  overflow: hidden;
}
.participation_sun_img {
  position: absolute;
  width: 40px;
}
.participation_sun_img {
  animation: sunImg1 30s infinite linear alternate;
}
.participation_sun_img3 {
  animation: sunImg2 30s infinite linear alternate;
}
@keyframes sunImg1 {
  0% {
    transform: translate(0, 0) rotate(20deg);
  }
  100% {
    transform: translate(30vw, 5vw) rotate(-20deg);
  }
}
@keyframes sunImg2 {
  0% {
    transform: translate(0, 0) rotate(20deg);
  }
  100% {
    transform: translate(0, 20vw) rotate(-20deg);
  }
}
.participation_title {
  margin-bottom: 100px;
  position: relative;
}
.participation_h {
  clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
  font-size: 64px;
  font-weight: 700;
  color: #1d1d1f;
  line-height: 1.3;
  text-align: center;
}
.participation_nav {
  clip-path: polygon(0 0, 0% 0, 0% 100%, 0% 100%);
  margin: 0 auto;
  width: 100%;
  max-width: 600px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 60px;
}
.participation_nav_list {
  color: #a2a2a2;
  font-size: 32px;
  font-weight: 700;
  position: relative;
  cursor: pointer;
}
.participation_nav_list.active {
  color: #1d1d1f;
}
.participation_nav_list.active:after {
  position: absolute;
  content: "";
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 3px;
  background-color: #e60024;
  border-radius: 2px;
}
.participation_con {
  max-width: 100%;
  display: flex;

  flex-direction: column;
  align-items: center;

  justify-content: center;
}
.axil-isotope-wrapper {
  width: 100%;
}
.participation_contents {
  width: 100%;
  display: grid;
  height: auto;
  grid-template-columns: repeat(7, 1fr);
  gap: 30px;
}
.project.image,
.project.video {
  aspect-ratio: 4/3;
  cursor: pointer;
}
.thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.parcon {
  width: 100%;
  display: none;
}
.parcon.active {
  display: block;
}
button {
  outline: 0;
  cursor: pointer;
  border: 0;
  background-color: #fff;
}

.videoList video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.vid_div video {
  width: 100%;
  object-fit: cover;
}
/* footer */
footer {
  width: 100%;
  background-color: #fff;
  height: 100px;
  border-top: 1px solid rgb(243, 243, 243);
}
footer .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copyright {
  color: #4e4e4e;
  font-size: 16px;
  font-weight: 400;
}
.participationPopWrap {
  position: fixed;
  z-index: 99;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);

  align-items: center;
  justify-content: center;
  display: none;
}
.participationPopWrap_img.active,
.participationPopWrap_vid.active {
  display: flex;
}
.participationPop {
  width: 100%;
  max-width: 1200px;
  height: auto;
  padding: 40px;
  position: relative;
}
.participationPop_close {
  width: 15px;
  top: 10px;
  cursor: pointer;
  right: 40px;
  position: absolute;
  filter: brightness(2);
}
.participationPop_vid video {
  width: 100%;
}
@media (hover: hover) {
  .upload_btn:hover span {
    color: #fff;
  }

  .upload_btn:hover:before {
    transform: scale(4);
  }
}
.topBtn {
  width: 100px;
  height: 100px;
  background-color: #e60024;
  box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: fixed;
  z-index: 55;
  bottom: 100px;
  border-radius: 100px;
  cursor: pointer;
  right: 70px;
  transition: all 0.3s;
}
.topBtn span {
  font-size: 17px;
  color: #f5f5f7;
  font-weight: 700;
}
.topBtn img {
  width: 30%;
}
.yunteakbae {
  width: 100%;
  height: 100%;
}
.yunteakbae img {
  width: 100%;
}