noun which may take the genitive case particle 'no', noun
paper-thin difference; razor-thin margin; very slight
Describes an extremely small difference or margin between two things, often used in comparisons or near-miss situations.
合格と不合格の差は紙一重だった。
The difference between passing and failing was paper-thin.
彼の意見と私の
There is only a razor-thin difference between his opinion and mine.