JSFiddle - React, Tailwind, and code Playground

HTML

<p><i>新しい世界へようこそ。</i></p>

CSS

p { 
    -ms-writing-mode: tb-rl; 
    -webkit-writing-mode: vertical-rl;
    -moz-writing-mode: vertical-rl;
    -ms-writing-mode: vertical-rl;
    writing-mode: vertical-rl;
    font-size: 40px;
}