How conservative the Japanese people really is? And the government?

“None of my business” is the common attitude.

It’s very common for a girl/ woman to ask a boy/ man to be her boyfriend.

How do you see these below?

How do I create cinema-grade videos using AI?

Visual-kei

They don’t have the so-called “couple culture” seen in many Western countries.

I sometimes feel people from the West are obsessed with those “gender” and “sex” things too much. Let’s think about something else sometimes. It’s unhealthy.

Newspaper headlines: Spending Review 'renewing Britain' or 'reckless splurge' - BBC

They don’t have the value that “guys must be macho.”

They don’t tease or beat up cross-dressed people on the road.

Moreover, buff guys are often avoided for their narcissism.

Scientists stunned as cameras capture footage of 200-million-year-old creature once thought extinct: 'The whole team was euphoric' - Yahoo

We don’t instantly tie it with sex when a father and his very young daughter are taking a bath together.

I’ve heard it’s always the male side that is expected to take a move in some countries. It’s not the case in Japan.

In the old era, gay relationships were very common and were even praised among the privileged social classes, such as Samurai and monks.

Do you like Melania Trump's new official 1st lady black & white power portrait?

Yaoi

This is a very vague question. But considering the asker’s comment on Mr. Nakajima’s answer, your interest seems to be in sex-related matters (I don’t think it’s the only indicator of conservative/ progressive, though).

They don’t bring around their mates everywhere, which means they don’t worry about being single, gay, or whatever because no one cares about whom others are having/ not having sex with.

7-Day No-Sugar, High-Protein Meal Plan for Healthy Aging, Created by a Dietitian - EatingWell

They were very similar to the bromance of today but accompanied by sexual intercourse.