~のため (because of)
grammar93 sentences
The cause-marking structure [noun]+のため (or adverbial のために), 'because of X / due to X.' Typically used for objective, factual causes — weather, illness, circumstances. State/condition nouns (病気のため 'because of illness,' 多忙のため 'because of being busy') are typical. Leans toward written/formal register. Distinct from the purposive ~のため ('for the sake of X').