Grammar
N2 connective

It is precisely because 〜からこそ

Meaning

"It is precisely because ~ that …" — emphatic reason.

Formation

Notes

こそ singles this reason out and rules the others out. It normally closes with 〜のだ/〜んです, which is what frames the reason as the point of the sentence, and the reason given is usually one the speaker values.

Examples

It is precisely because I care that I am strict with you.

Breakdown
fond of precisely because strictly is why I say it

It was precisely because he worked hard that he succeeded.

Breakdown
made an effort precisely because is why he succeeded

It is because I have a family that I can keep going.

Breakdown
family exist / have precisely because is why I can persevere

It is precisely because it is hard that it is worth attempting.

Breakdown
difficult precisely because take on a challenge is worthwhile

I entrusted the work to you precisely because I trust you.

Breakdown
trust precisely because work is why I entrusted it

⚠️ Often confused with

Now that / given that 〜からには

"Now that ~", "given that ~" — a premise the speaker then acts on.

Precisely because 〜だけに

"Precisely because ~", "all the more so because ~".

Knowing them 〜ことだから

"Since it is ~ (that person), …" — a prediction based on someone's known character.