body {
  font: 14px/1.9 "Noto Sans JP", Arial, Verdana, 游ゴシック, YuGothic, "ヒラギノ角ゴ ProN W3",
    "Hiragino Kaku Gothic ProN", メイリオ, Meiryo, sans-serif;
  font-weight: 300;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  color: #000;
}

.container {
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
}
.video video {
  position: absolute;
  top: 50%;
  left: 50%;
  object-fit: cover;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
}