Like in English, when a quote contains a quote within, the quotation marks alternative. Typically the single quotation marks (「」) are used for the outermost quote, and the innermost has double quotation marks (『』).
Hanako wa “hai” to itta
花子は「はい」と言った
Hanako said “yes.”
Tarou wa “Hanako wa ‘hai’ to itta” to itta
太郎は「花子は『はい』と言った」と言った
Tarou said: “Hanako said: ‘yes.’”
Here you go noobie:
https://www.japanesewithanime.com/2017/05/quotation-marks-japanese.html?m=1
Nested Quotations
Like in English, when a quote contains a quote within, the quotation marks alternative. Typically the single quotation marks (「」) are used for the outermost quote, and the innermost has double quotation marks (『』).
Hanako wa “hai” to itta 花子は「はい」と言った Hanako said “yes.” Tarou wa “Hanako wa ‘hai’ to itta” to itta 太郎は「花子は『はい』と言った」と言った Tarou said: “Hanako said: ‘yes.’”