Result

css

#load {/*全体*/
  position:absolute;
  width:600px;
  height:36px;
  left:50%;
  top:40%;
  margin-left:-300px;
  overflow:visible;
  user-select:none;
  cursor:default;
}

#load div {/*個々のテキストにスタリングとアニメーション設定*/
  position:absolute;
  width:20px;
  height:36px;
  opacity:0;
  font-family:Helvetica, Arial, sans-serif;
  animation:move 2s linear infinite;
  transform:rotate(180deg);
  color:#35C4F0;
}

/*一文字ずつ遅延させる*/
#load div:nth-child(2) {
  animation-delay:0.2s;
}
#load div:nth-child(3) {
  animation-delay:0.4s;
}
#load div:nth-child(4) {
  animation-delay:0.6s;
}
#load div:nth-child(5) {
  animation-delay:0.8s;
}
#load div:nth-child(6) {
  animation-delay:1s;
}
#load div:nth-child(7) {
  animation-delay:1.2s;
}

@keyframes move {/*アニメーションセッティング*/
  0% {
    left:0;
    opacity:0;
  }
	35% {
		left: 41%; 
		transform:rotate(0deg);
		opacity:1;
	}
	65% {
		left:59%; 
		transform:rotate(0deg); 
		opacity:1;
	}
	100% {
		left:100%;  
		transform:rotate(-180deg);
		opacity:0;
	}
}

html

<div id="load">
  <div>す</div>
  <div>ま</div>
  <div>て</div>
  <div>し</div>
  <div>ド</div>
  <div>ー</div>
  <div>ロ</div>
</div>

via

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