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

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

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

How do you see these below?

Food and fitness make or break success on weight loss meds, report finds - ABC News

Yaoi

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.

Mountaineers Walk Off Kentucky in NCAA Opener - West Virginia University Athletics

“None of my business” is the common attitude.

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

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.

Wing and Walmart are bringing drone delivery to 100 new stores - The Verge

Moreover, buff guys are often avoided for their narcissism.

Visual-kei

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

Do women lack the mental strength to succeed at STEM? There seems to be few women at STEM and more women leave STEM after a time of working at it. How can it be just sexism if women aren't banned from entering?

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

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

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.

FDA chief wary of federal recommendations for Covid-19 vaccines - Politico

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).