Refers to the background reasons or circumstances behind a situation, often used in formal or explanatory contexts.
details; particulars; significance
Focuses on the finer points or deeper meaning of something; can be used as a noun or adjectival noun (e.g., 子細な点).
hindrance; objection; inconvenience
Used in negative constructions (e.g., 子細はない) to mean there is no problem or objection. Common in formal or written language.
Please explain the circumstances of your lateness.
We need to check the details of the contract.
He notices even the smallest details.
I have no objection to this plan.
詳細 means 'details' in a neutral, factual sense, whereas 子細 can carry a nuance of significance or hidden meaning.
in detail; minutely; closely
seeming to have a reason; looking like there's more to it
Common kanji spelling, especially in news and formal contexts.
Alternate kanji spelling; less common but still used.
A Sino-Japanese word also historically written 仔細, referring first to minute particulars or detailed circumstances and then to reasons, significance, or impediments.