How I Revamped a Local Cram School Website Using AI (Claude, Gemini, and Codex)

Introduction I recently took on the challenge of modernizing the website for my parents' cram school in rural Japan. As an IT professional specializing in cloud infrastructure, I wanted to see how far I could go by leveraging AI as my primary development partner. Here is the story of how Claude , Gemini , and Codex helped me transform an outdated site into a modern web presence. The AI Dream Team I used three different AI models, each for a specific role: Gemini: My "Strategy Consultant." I used