You should write French with a capital letter, so French restaurant is correct.
restaurant is French, but you pronounce it like restauran. (without the t)restaurant like you
English is the same as French, "restaurant".
Un restaurant francais.
A seaside restaurant is 'un restaurant de bord de mer' in French.
'Un restaurant' is a masculine noun in French.
restaurant français
Mon restaurant (pronounce mon rest-oh-ron)
"Le Restaurant Francais de Martin" literally.
It is a French word, so "un restaurant" (masc.)
Restaurant is a French word.
un restaurant (masc.)