In summary, your perfect answer to “Why do you want to work here?” should mention:
Why the company appeals to you, and your reasoning.
Why the role appeals to you, and why you can do the job.
How and why the role aligns with your career goals and motivations.
Why you’ll fit in with the existing colleagues.
Why their initial reservations won’t actually hold you back.
And remember: Be concise, be enthusiastic, and be honest.