A 28-year-old male farmer from rural Maharashtra presents with a 6-week history of itching and scaling on his feet. On examination, he has erythematous, scaly patches involving the soles, lateral borders, and interdigital spaces of both feet. The lesions are well-demarcated with a raised edge. KOH mount from the scale shows branching septate hyphae. He reports the condition worsened during the monsoon season. What is the most likely diagnosis?