お陰様で元気です。
Thanks to you, I'm doing well.
✦ AI pragmatic read · suggests Teineigo
A polite, modest expression used when thanking someone of equal or higher status; it conveys gratitude while maintaining a respectful distance, typical in formal conversations or when speaking to superiors.
A starting point, not the final word — open the entry to add your own note if you'd explain it differently.