Private to Public Member Same Offset?

Question

Suppose I have a class

struct A
{
    consteval static size_t offsetX() {
        return offsetof(A, x);
    }
    consteval static size_t offsetY() {
        return offsetof(A, y);
    }
    consteval static size_t offsetZ() {
        return offsetof(A, z);
    }
    friend class B;
    private: 
        float x, y;
        int z;
};

Now suppose I define B

struct B : private A
{
    using A::x;
    using A::y;
    using A::z;
};

Does the ISO C++ Standard guarantee the following will be true:

offsetof(B, x) == A::offsetX()
offsetof(B, y) == A::offsetY()
offsetof(B, z) == A::offsetZ()

?

Thank you!