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            <div style="-webkit-writing-mode:vertical-lr; border: solid red 1px">為<ruby>櫻</ruby>田</div>
            <div style="border: solid green 1px">為<ruby>櫻</ruby>田</div>
        </div>
        <div style="-webkit-line-box-contain: block font;">
            <div style="-webkit-writing-mode:vertical-lr; border: solid red 1px">為<ruby>櫻</ruby>田</div>
            <div style="border: solid green 1px">為<ruby>櫻</ruby>田</div>
        </div>
        <div style="-webkit-line-box-contain: block inline-box;">
            <div style="-webkit-writing-mode:vertical-lr; border: solid red 1px">為<ruby>櫻</ruby>田</div>
            <div style="border: solid green 1px">為<ruby>櫻</ruby>田</div>
        </div>
    </body>
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