I'd say the proper adjective is a Japanese garden
The character ? means 'new' in Japanese and can be seen in the adjective for 'new' ??? (atarashii).
The Japanese adjective for white is 白い(しろい) or 'shiroi'.
As a noun, it is 'aka.' As an adjective, it is 'akai.'
genki is an adjective for well being
It is Seapánach as an adjective, but the language is Seapánais.
普通の (fut suu no) is Japanese equivalent for 'normal' in adjective sense.
'Uchigawa', as a noun and 'uchigawa no....' as a modifier/adjective.
As an adjective, chiisai or chiisana.
A proper adjective is an adjective formed from a proper noun. "Arabian", "Grecian", "Japanese", "African".
Kuroi is pronounced "koo-roe-ee."
Adjective: kirei Verb: souji suru