@charset "UTF-8";
#headerPortal .hedMain {
  padding: 29% 0;
}
@media screen and (max-width: 768px) {
  #headerPortal .hedMain {
    padding: 50% 0;
  }
}

#youtube-area {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;/*最背面に設定*/
  overflow: hidden;
  opacity: 0;
}

/*jQueryで付与されたappearクラスがついたらYoutubeエリアをふわっと表示*/
#youtube-area.appear {
  animation-name: PageAnimeAppear;
  animation-duration: 0.5s;
  animation-fill-mode: forwards;
}

@keyframes PageAnimeAppear {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

#youtube {
  /*天地中央配置*/
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;

/*縦横幅指定*/
  width: 177.77777778vh; /* 16:9 の幅→16 ÷ 9＝ 177.77% */
  min-height: 100%;
  height: 56.25vw; /* 16:9の幅 → 9 ÷ 16 = 56.25% */
  transform: translate(-50%, -50%);
}

/*youtubeがクリックされないためのマスク*/
#youtube-mask {
  position: absolute;
  top: 0;
  z-index: 2;/*下から2番目に表示*/
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 10%, rgba(0,0,0,0) 20%, rgba(0,0,0,0) 100%);
}


#youtube-mask02.-hide {
  -webkit-animation: fadeOut 1s 1s ease-in-out forwards;
          animation: fadeOut 1s 1s ease-in-out forwards;
}
#youtube-mask02 {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  background: #0e0e0e;
  background-size: 800% 800%;
}