japanese-ruby-vertical-rl.html | Explore in Territory

<!doctype html>
<html style="border:10px solid maroon; -webkit-writing-mode:vertical-rl" lang="ja">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style>
body {
    font-family: "HiraMinPro-W3";
    font-size: 40px;
}
</style>
</head>
<body>
攻殻 機動隊 <ruby lang="ja">攻殻<rp>（</rp><rt>こうかく</rt><rp>）</rp>機動隊<rp>（</rp><rt>きどうたい</rt><rp>）</rp></ruby>

chromium/third_party/blink/web_tests/fast/writing-mode/japanese-ruby-vertical-rl.html