<ul>
  <li class="myList">あいうおかきくけこ</li>
  <li class="myList">【あいうおかきくけこ】</li>
</ul>

.myList {
  font-feature-settings: "palt"; /*←これ*/
	font-family          : "Yu Gothic", sans-serif;
	line-height          : 1.4;
	list-style-type      : disc;
}