#mainContainer {
  width: 100%;
  height: 100%;
  z-index: 999999;
  background-color: black;
  -webkit-font-smoothing: antialiased;
  letter-spacing: .01em;
  font-family: Avenir Next,Verdana,HelveticaNeue,Helvetica,Arial,Roboto,Droid Sans,sans-serif;
}

/* 問題下の広告 分家 */
.c-question-pj__ad > #mainContainer {
  height: calc(100vh - 90px);
}

/* 問題下の広告 本家 */
.c-question__ad > #mainContainer {
  height: calc(100vh - 90px);
}

@media screen and (max-width: 768px) {
  #mainContainer {
    position: fixed;
  }
}

@media screen and (min-width: 769px) {
  #mainContainer {
    position: absolute;
  }
}

#content {
  display: none;
}

#subContainer {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
}

#playButton {
  display: none;
  top: 50%;
  transform: translateY(-50%);
  font-weight: bold;
  display: block;
  box-sizing: border-box;
  position: relative;
  width: 70%;
  max-width: 400px;
  height: 54px;
  margin: auto;
  border: 2px #fff solid;
  border-radius: 25px;
  background-color: transparent;
  color: #fff;
  text-align: center;
  line-height: 54px;
  cursor: pointer;
}

#noticeContainer {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.block-notice {
  margin-top: 180px;
  margin-left: 5px;
  margin-right: 5px;
  max-width: 500px;
  color: #fff;
  font-size: 10px;
  border: 1px solid #5d5d5d;
  padding: 10px;
  z-index: 10;
  line-height: 1.6;
}

.block-notice a {
  display: inline;
  color: #4cd7f9;
  text-decoration: underline;
  font-size: 10px;
}

#waitMsg {
  display: flex;
  align-items: center;
  height: 100%;
  color: #fff;

  p {
    margin: auto;
  }

  span {
    display: inline-block;
    position: relative;
    bottom: 0;
    padding: 2px 1px;
    transform: scale(1);
    animation: loadingAni 2s ease-out infinite;

    &:nth-child(1) {
      animation-delay: 0s;
    }

    &:nth-child(2) {
      animation-delay: 0.2s;
    }

    &:nth-child(3) {
      animation-delay: 0.4s;
    }
  }
}

@keyframes loadingAni {
  0% {
    bottom: 0;
  }

  15% {
    bottom: 0;
  }

  30% {
    bottom: 7px;
  }

  45% {
    bottom: 0;
  }
}