Dear [Hiring Manager],
Thank you for offering me the [Position] role at [Company]. I appreciate the time and effort you and your team have invested in my application and interview process.
After careful consideration and reflection, I have decided to respectfully decline your offer. While I am excited about the opportunity to work with [Company], I have decided to pursue another opportunity that aligns more closely with my long-term career goals.
I want to express my gratitude for the opportunity to learn more about your organization and for your confidence in me. It has been a pleasure meeting and working with the team. I have the utmost respect for your company and the work you do, and I am honored to have been considered for this role.
Again, thank you for your time, consideration, and understanding. I hope our paths will cross again in the future.