Grammar
N1 connective

No matter how 〜(よ)うが / 〜(よ)うと

Meaning

"No matter how/what ~", "whether ~ or not" — the main clause is unaffected.

Formation

Notes

Formal concession. The paired form 〜(よ)うが〜まいが sets an action against its negative, and the main clause is usually a declaration of the speaker's resolve.

Examples

No matter what is said to me, I do not care.

Breakdown
what may be said no matter do not mind

However expensive it is, I intend to buy it.

Breakdown
however may be expensive no matter buy intend to

Even if it rains, I am going out.

Breakdown
rain may fall even if will go out

Even if those around me object, my resolve will not change.

Breakdown
those around me may object even if resolve will not change

Whether you fail or succeed, it becomes experience.

Breakdown
may fail whether may succeed experience becomes

⚠️ Often confused with

Even supposing 〜としても

"Even if ~", "even supposing ~" — the outcome would not change.

Even if or whether 〜にしても / 〜にしろ / 〜にせよ

"Even if ~"; paired, "whether A or B".

No matter what one does 〜ところで

"Even if ~", "no matter how much ~" — the effort will come to nothing.

Whether it be 〜であれ / 〜であろうと

"Whether it is ~", "even if it is ~" — the result holds in every case.