Japatan
Formation
- V普通形 + からこそ
- いA + からこそ
- なA + だ + からこそ
- N + だ + からこそ
Explanation
Strongly emphasizes a reason: it is precisely this, and nothing else. The sentence often ends with のだ or のです. It is also used to present a reason that goes against common expectations, such as 忙しいからこそ休む (I rest precisely because I'm busy). The reason is one the speaker sees as important; it is not used for excuses.
Examples
家族が応援してくれたからこそ、ここまで頑張れたのだ。
It's precisely because my family supported me that I was able to keep going this far.
忙しいからこそ、休みの日はゆっくり過ごすようにしている。
Precisely because I'm busy, I make sure to relax on my days off.
大切な友達だからこそ、言いにくいことも正直に言うのです。
It's precisely because you're a close friend that I tell you honestly even things that are hard to say.
小さい会社だからこそ、社員一人一人の意見が大事にされる。
Precisely because it's a small company, each employee's opinion is valued.
Notes
こそ cannot follow ので. からといって weakens a reason (that alone is not enough), while からこそ strengthens it.
Related grammar
Mini quiz
1あなたのことを心配している（ ）、厳しいことを言うのです。
Answer and explanation
Answer: 4 からこそ
I say harsh things precisely because I care about you. からこそ emphasizes the reason. からといって would need a negative ending, and the others do not fit.
2毎日練習した（ ）、優勝できたのだと思う。
Answer and explanation
Answer: 1 からこそ
I think we won precisely because we practiced every day. からこそ stresses the reason for the result. からには needs determination or obligation, not a past result.
3好き（ ）、上手になるまで続けられたのだ。
Answer and explanation
Answer: 2 だからこそ
It's precisely because I loved it that I could keep going until I got good. With a な-adjective, add だ: 好きだからこそ.
