<div class="cp_arrows">
  <div class="cp_arrow"></div>
</div>

.cp_arrows {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.cp_arrows .cp_arrow {/*矢印を配置するベースの設定*/
  position: absolute;
  width: 60px;
  animation: arrow-move09 2s infinite ease-in-out;
}
.cp_arrows .cp_arrow::before,
.cp_arrows .cp_arrow::after {/*矢印全体の設定*/
  position: absolute;
  content: '';
  width: 30px;
  height: 3px;
  background: #f4511e;
  border-radius: 10px;
}
.cp_arrows .cp_arrow::before {/*矢印左の線の位置と傾斜*/
  left: 3px;
  transform: rotate(30deg);
}
.cp_arrows .cp_arrow::after {/*矢印左の線の位置と傾斜*/
  right: 3px;
  transform: rotate(-30deg);
}
@keyframes arrow-move09 {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0);}
  48% {transform: translateY(-20px);}
  60% {transform: translateY(-15px);}
}