.headline01 {
  width: 100%;
  overflow: hidden;
  background-color: black;
  padding: 2rem 1rem;
  box-sizing: border-box;
}

.headline-track {
  display: inline-block;
  white-space: nowrap;
  animation: scroll-loop 12s linear infinite;
}

.headline-track span {
  display: inline-block;
  font-size: 4rem;
  /* font-weight: bold;  */
  color: white;
  padding-right: 2rem;
}

@keyframes scroll-loop {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}