body { font-family: 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', Meiryo, sans-serif; line-height: 1.8; margin: 0; padding: 20px; background-color: #f8f9fa; color: #333; } .container { max-width: 800px; margin: 0 auto; background: white; padding: 30px; border-radius: 10px; box-shadow: 0 2px 10px rgba…