yumu

Results 4 issues of yumu

Update Japanese translation. - Add missing entries - Improve some - Fix `適応` -> `適用` (They sound similar but have different meanings) By the way, `iris.nec.failure.title` and `iris.nec.failure.description` seem to...

#285 based on v4. Is this ok?

Changes: - Fix unnatural translations - Replace symbols with full-width characters - `?`->`?` - `()`->`()` - `:`->`:` - Translate untranslated entries - Add missing entries from en_us.json and translate them

Fix #5. When inactive, the text color will be gray and will not be highlighted when hot.