.intro {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 9999;
  overflow: hidden;
}

.intro__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: .3;
  }
}

.intro__tap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12%;
  z-index: 1;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .2em;
  line-height: 1;
  text-align: center;
  color: #fff;
  text-shadow: 0 0 8px rgba(0, 0, 0, .6);
  pointer-events: none;
  animation: blink 1.6s ease-in-out infinite;
}

.intro__tap.is-loading {
  animation: none;
  opacity: .6;
}