:lang(ja) :is(h1,h2,h3){word-break:auto-phrase;line-break:strict}@supports not (word-break:auto-phrase){:lang(ja) :is(h1,h2,h3){word-break:keep-all;overflow-wrap:anywhere}}:lang(ko) :is(h1,h2,h3){word-break:keep-all;overflow-wrap:anywhere}