* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 0;
}

*::-webkit-scrollbar {
  display: none;
}

body {
  background-color: #000;
  height: 100vh;
}

#main {
  display: none;
}

#logo {
  position: absolute;
  top: calc(1800vw / 1920);
  right: calc(9000vw / 1920);
  width: calc(13800vw / 1920);
  z-index: 9;
}

video {
  width: 100%;
  height: 56.25vw;
}

video::-webkit-media-controls-play-button {
  display: none;
}

#btn {
  position: absolute;
  left: calc(10000vw / 1920);
  top: calc(97700vw / 1920);
  transition: opacity linear 0.6s;
  z-index: 2;
  cursor: pointer;
  width: calc(4250vw / 1920);
}

#mutedBtn {
  position: absolute;
  left: calc(17500vw / 1920);
  top: calc(97700vw / 1920);
  transition: opacity linear 0.6s;
  z-index: 2;
  cursor: pointer;
  width: calc(9200vw / 1920);
  background-image: url("unmuted.png");
  background-size: calc(4300vw / 1920) calc(4000vw / 1920);
  background-repeat: no-repeat;
  background-position: center;
  width: calc(4500vw / 1920);
  height: calc(4000vw / 1920);
}

#mutedBtn.muted {
  background-image: url("muted.png");
  background-size: calc(4500vw / 1920) calc(3700vw / 1920);
}

#btn.btn-hidden {
  opacity: 0;
}

#mutedBtn.btn-hidden {
  opacity: 0;
}

#alertInfo {
  position: fixed;
  left: 0;
  top: 0;
  transition: opacity linear 0.6s;
  z-index: 4;
  background-color: #000;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

#alertInfo img {
  position: absolute;
  max-width: 100%;
  width: 1156px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
}

#alertInfo.info-hidden {
  opacity: 0;
  z-index: -1;
}

#play {
  position: absolute;
  left: 50%;
  top: 28.125vw;
  transform: translate(-50%, -50%);
  color: #fff;
  z-index: 3;
  width: 70px;
  height: 70px;
  display: none;
}

@media (max-width: 767px) {
  #logo {
    top: calc(5300vw / 1080);
    right: 0;
    width: calc(27100vw / 1080);
  }

  #main {
    height: calc(192000vw / 1080);
  }

  video {
    height: calc(192000vw / 1080);
  }

  #btn {
    left: calc(6000vw / 1080);
    top: calc(172900vw / 1080);
    width: calc(4500vw / 1080);
  }

  #mutedBtn {
    left: calc(6000vw / 1080);
    top: calc(179800vw / 1080);
    background-size: calc(4300vw / 1080) calc(4000vw / 1080);
    width: calc(4500vw / 1080);
    height: calc(4000vw / 1080);
  }

  #mutedBtn.muted {
    background-image: url("muted.png");
    background-size: calc(4500vw / 1080) calc(3700vw / 1080);
  }

  #alertInfo img {
    width: calc(66800vw / 1080);
  }

  #play {
    top: calc(96000vw / 1080);
  }
}