.particle-effects-container {
  width: 100%;
  height: 100%;
}

#header {
  z-index: 999;
  background-color: #0f0f0f00;
  transition: all .5s;
}

#header.is-active {
  background-color: #0f0f0f;
  height: 100%;
}

#header .header-menu-item {
  --un-border-opacity: 1;
  border-color: rgb(219, 219, 219, var(--un-border-opacity));
  text-align: center;
  border-bottom-width: 1px;
  height: 7rem;
  position: relative;
}

#header .header-menu-item > a {
  align-items: center;
  display: flex;
}

#header .header-menu-item > a .header-menu-item-lid-wrapper {
  justify-content: flex-end;
  align-items: center;
  width: calc(50% - 2.75rem);
  height: 7rem;
  padding-right: 2rem;
  display: flex;
}

#header .header-menu-item > a .header-menu-item-content {
  text-align: center;
  width: 5.5rem;
  font-size: 1.5rem;
  line-height: 7rem;
  display: inline-block;
}

#banner .swiper-button-next:after, #banner .swiper-button-prev:after {
  color: #fff;
}

#introduction p {
  width: 100%;
  margin: 0 auto;
  display: block;
}

#contact .contact-btn {
  text-transform: uppercase;
  border: 2px solid #3e4de8;
  transition: all 1s;
  position: relative;
  overflow: hidden;
}

#contact .contact-btn:before {
  content: "";
  z-index: -1;
  background: #3e4de8;
  width: 100%;
  height: 0;
  transition: all .6s;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%)rotate(45deg);
}

#contact .contact-btn:hover:before {
  height: 520%;
}

#contact .contact-btn .contact-btn-link {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

:-webkit-any(video.project-item-video.is-video--fullscreen, video.project-item-video:fullscreen, video.project-item-video:-webkit-full-screen, video.project-item-video:fullscreen, video.project-item-video:fullscreen) {
  object-fit: contain;
}

:-moz-any(video.project-item-video.is-video--fullscreen, video.project-item-video:fullscreen, video.project-item-video:fullscreen, video.project-item-video:fullscreen, video.project-item-video:fullscreen) {
  object-fit: contain;
}

:is(video.project-item-video.is-video--fullscreen, video.project-item-video:fullscreen, video.project-item-video:fullscreen, video.project-item-video:fullscreen, video.project-item-video:fullscreen) {
  object-fit: contain;
}

#pc-nav .char-contact {
  opacity: 0;
  transition: transform .5s;
  transform: translateY(15px);
}

.zvideo:hover div {
  display: block;
}

.video-assets {
  object-fit: cover;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

.project-video {
  cursor: pointer;
}

.mask-bg {
  z-index: 10;
  background-color: #000;
  width: 100%;
  height: 100%;
  animation: .5s ease-in-out forwards fadeIn;
  position: fixed;
  top: 0;
  left: 0;
}

.mask-bg .hidden {
  display: none;
}

.mask-video {
  width: 1200px;
  height: 600px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@keyframes fadeOut {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

.fadeOut {
  animation: .5s ease-in-out forwards fadeOut;
}

.fadeIn {
  animation: .5s ease-in-out forwards fadeIn;
}

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

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

.mask-down {
  text-align: center;
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  font-size: 36px;
  line-height: 40px;
  display: inline-block;
  position: absolute;
  top: 50%;
  right: 10%;
  transform: translate(-50%, -50%);
}