Dear [Interviewer's Name],
Thank you for taking the time to meet with me today to discuss the [Position Title] role at [Company Name]. I enjoyed learning more about [specific topic discussed] and how the team approaches [relevant challenge].
Our conversation reinforced my enthusiasm for this opportunity. I'm particularly excited about [specific aspect of the role/company that interests you].
Please let me know if you need any additional information. I look forward to hearing about the next steps.
Best regards,
[Your Name]