I believe that taking a short pause before replying is part of Japanese culture.
I often notice this in my daily life.
For example, when someone asks me a question at work or in a casual conversation,
I naturally take a moment before answering.
It’s not hesitation—it's simply a habit of thinking carefully and showing respect to the other person.
I also see this in people around me.
Even close friends often pause for a second before replying,
as if they’re choosing the most gentle or appropriate way to respond.
This small “moment of silence” feels very normal in Japan and creates a calm rhythm in conversations.
Of course, there are also people who reply immediately without any pause.
Some Japanese people are very quick and direct