ふくよ body { font-family: 'Arial', sans-serif; background-color: #f4f4f9; color: #333; line-height: 1.6; } .container { width: 80%; margin: auto; background-color: #fff; padding: 20px; box-shadow: 0 0 10px rgba(0,0,0,0.1); } header, foote…