This is the 1075th most frequent Japanese word.
気軽
"気軽" means "carefree" or "lighthearted."
In this sentence, 気軽 (kigaru) implies an ease or lack of restrictions in enjoying travel.
このサービスを利用すれば、気軽に旅行を楽しめます。
If you use this service, you can enjoy traveling casually.
Here, 気軽 (kigaru) signifies an invitation for openness and informality, encouraging the listener to act without hesitation.
どうぞ気軽に質問してください。
Please feel free to ask questions.
In this example, 気軽 (kigaru) describes an unburdened or stress-free feeling in the action of visiting a friend's house.