core/homeassistant/components/button/translations/ja.json

{
    "device_automation": {
        "action_type": {
            "press": "{entity_name} \u30dc\u30bf\u30f3\u3092\u62bc\u3059"
        },
        "trigger_type": {
            "pressed": "{entity_name} \u304c\u62bc\u3055\u308c\u307e\u3057\u305f"
        }
    },
    "title": "\u30dc\u30bf\u30f3"
}