YOU SAID:
<style>span{color:red!important}</style><span>hi</span>
INTO JAPANESE
<style>span{color:red!important}</style> <span>こんにちは</span>
BACK INTO ENGLISH
<style>span{color:red!important}</style> <span>Hello</span>
INTO JAPANESE
<style>span{color:red!important}</style> <span>こんにちは</span>
BACK INTO ENGLISH
<style>span{color:red!important}</style> <span>Hello</span>
Come on, you can do better than that.