KSK
2/16/2018 - 6:45 AM

縦書き

bg {
    -ms-writing-mode: tb-rl;
     writing-mode: vertical-rl;
     span {
          -webkit-text-combine: horizontal;
          -ms-text-combine-horizontal: all;
          text-combine-upright: all;
     }
}
//縦書き解除
writing-mode: horizontal-tb;
<p class="bg"> 臨川閣<span>4</span>階</p>