:root {
  --project-primary-color: #1b83c6;
}

/* 0. common */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1100;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0) 100%
  );
}
.header > a {
  width: 123px;
}
.header img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.container {
  height: 100%;
}

/* 0-1.project gnb */
.gnb_nav {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.gnb_list {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0;
  text-align: center;
}
.gnb_item {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  border-radius: 500px;
  background: transparent;
  color: #e5e5e5;
  transition: all 0.3s ease-in-out;
}
.gnb_item:hover {
  border-radius: 500px;
  background: rgba(115, 115, 115, 0.3);
}

.gnb_item.is_active {
  color: #fff;
  background: rgba(194, 94, 18, 0.6);
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.15);
}
.gnb_item a {
  width: 100%;
  padding: 10px 12px;
  color: #fff;
  text-align: center;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  font-family: Pretendard;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 20px; /* 125% */
  white-space: nowrap;
}

.snb {
  display: none;
  position: fixed;
  bottom: 0;
  right: -280px;
  width: 270px;
  height: calc(100% - 64px);
  padding: 16px 8px 0 8px;
  align-items: center;
  z-index: 1000;
  background: rgba(17, 17, 17, 0.8);
  backdrop-filter: blur(4px);
  overflow-y: auto;
  transition: right 0.3s ease-in-out;
}
.snb.is_active {
  right: 0;
}
.snb_list {
  font-size: 0;
  text-align: center;
}
.snb_list .snb_item {
  display: inline-block;
  vertical-align: middle;
  padding: 0 20px;
}
.snb_list .snb_item + .snb_item {
  border-left: 1px solid #333;
}
.snb_list .snb_item a {
  color: #fff;
  font-size: 16px;
  font-weight: 400;
}

.util_wrap {
  position: relative;
  z-index: 1000;
}

.util_list {
  display: flex;
}

.util_list .util_item + .util_item {
  margin-left: 10px;
}

.util_item .util_btn {
  position: relative;
  width: 24px;
  height: 24px;
}

.util_audio .util_btn:after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: url(../../static/img/icon/ic-sound-off.svg) no-repeat center /
    100% auto;
}

.util_audio .util_btn.is_unmute:after {
  background-image: url(../../static/img/icon/ic-sound-on.svg);
}

.util_menu {
  display: none;
}

.util_menu .util_btn i {
  width: 20px;
  height: 2px;
  background-color: #fff;
  display: block;
  margin: 5px auto;
  border-radius: 5px;
  -webkit-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.util_menu .util_btn.is_active i:nth-of-type(2) {
  opacity: 0;
}

.util_menu .util_btn.is_active i:nth-of-type(1) {
  -webkit-transform: translateY(8px) rotate(45deg);
  -ms-transform: translateY(8px) rotate(45deg);
  -o-transform: translateY(8px) rotate(45deg);
  transform: translateY(8px) rotate(45deg);
}

.util_menu .util_btn.is_active i:nth-of-type(3) {
  -webkit-transform: translateY(-6px) rotate(-45deg);
  -ms-transform: translateY(-6px) rotate(-45deg);
  -o-transform: translateY(-6px) rotate(-45deg);
  transform: translateY(-6px) rotate(-45deg);
}

.coupon-button {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  width: 268px;
  height: 146px;
  background: url("../../static/img/img-coupon.png") no-repeat center center;
  background-size: 100% 100%;
}
.coupon-button.is-show {
  display: block;
}
.coupon-text {
  position: absolute;
  bottom: 19px;
  left: 16px;
  text-align: left;
  color: #fff;
}
.coupon-text .coupon-title {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.1);
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  line-height: 130%; /* 15.6px */
}
.coupon-text p {
  text-shadow: 0 2px 12px #000;
  font-size: 20px;
  font-weight: 700;
  line-height: 130%; /* 31.2px */
  letter-spacing: -0.528px;
  padding-top: 4px;
}

.intro-skip-box {
  display: block;
  position: fixed;
  z-index: 150;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
}
.main_video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main_video.pc {
  display: block;
}
.main_video.mo {
  display: none;
}
.pre_video_wrap {
  height: 100%;
  overflow-y: hidden;
}

.swiper-box {
  position: relative;
  background-image: url(../../static/img/bg-easter-egg.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.swiper-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(16, 16, 16, 0.6);
  z-index: 1;
}
.swiper {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 787px;
  max-height: 452px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}

.swiper-wrapper {
  align-items: center;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: indianred;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 244px !important;
  height: 382px !important;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.15);
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swiper-slide-active {
  width: 243px !important;
  height: 452px !important;
}

.swiper-button-next,
.swiper-button-prev {
  position: initial !important;
  color: #fff !important;
  width: 54px;
  height: 54px;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 1);
  border-radius: 100%;
  background: rgba(255, 255, 255, 0.1);
}
.swiper-navigation {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  box-sizing: border-box;
  z-index: 10;
}
.back-button {
  position: absolute;
  top: 24px;
  left: 24px;
  width: 32px;
  height: 32px;
  border: none;
  background: url(../../static/img/icon/ic-back.svg) no-repeat center / contain;
  z-index: 10;
}
/* use only desktop action */

@media screen and (max-width: 1024px) {
  .main_video.pc {
    display: none;
  }
  .main_video.mo {
    display: block;
  }
  .util_menu {
    display: block;
  }
}
@media screen and (max-width: 768px) {
  .header {
    height: 50px;
  }
  .gnb_item a {
    width: 100%;
    padding: 8px;
    font-size: 14px;
  }
}
@media screen and (max-width: 480px) {
  .header > a {
    width: 100px;
  }

  .gnb_box {
    padding: 55px 0;
  }
  .gnb_nav {
    left: 0;
    transform: translateY(-50%);
    max-width: calc(100% - 60px);
    overflow-x: auto;
    padding: 0 8px;
  }
  .gnb_item a {
    padding: 8px;
  }
  .chrome_download {
    display: none;
  }

  .util_wrap {
    width: 40px;
  }
  .util_item.util_audio,
  .util_item.util_menu {
    position: fixed;
    top: 10px;
    right: 10px;
  }
  .util_item.util_audio {
    z-index: 900;
    /* left: 15px; */
  }
  .btn_sount_desc {
    display: none;
  }
  .util_item.util_menu {
    right: 15px;
  }

  .swiper-button-next,
  .swiper-button-prev {
    width: 40px;
    height: 40px;
    padding: 10px;
  }
  .swiper-navigation {
    bottom: 10vw;
  }
}