yassh

<p>border-imageとborder-radiusを同時に使うと、border-radiusが効かない。</p>
<p>この問題に対するイシューが作られていた。<br style="display:none">
<span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__b334d0c1d3747" src="https://embed.zenn.studio/card#zenn-embedded__b334d0c1d3747" data-content="https%3A%2F%2Fgithub.com%2Fw3c%2Fcsswg-drafts%2Fissues%2F7550" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://github.com/w3c/csswg-drafts/issues/7550" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://github.com/w3c/csswg-drafts/issues/7550</a></p>
