てもかまわない

てもかまわない expresses a relaxed permission or lack of concern: the speaker is saying that performing the action in the て-form (or the stated condition) is acceptable, or that there’s no problem regardless of that condition. It’s often used to offer flexibility, to respond to a request, or to reassure someone that a potential inconvenience won’t matter. Note: with na-adjectives and nouns, you use でも before かまわない (e.g., 静かでもかまわない / 人でもかまわない). The tone is casual and common in daily conversation; it can sound a bit blunt if overused with strong requests. Typical contexts include planning, accommodating others, making polite refusals with flexibility, or indicating permission in a low-pressure way.