(Somewhat unrelated but what are those kanjis? I guess the lower one is 文? Is the upper one just a variation of the same kanji or is it a different one? -Sorry, I'm illiterate when it comes to kanji.)
I assume that to an English reader the kanji here doesn't matter much and I think any non-english symbol would pass (at least in the right context), but for a Japanese reader? Are those kanji a Chinese thing only perhaps or recognized in all kanji-using countries?
And most importantly: Would it be weird to use those on a Japanese website?
Thanks for your help!