デジタル時代の子育てを一緒に考えてみよう！ | 安心・安全なインターネット利用ガイド | 総務省

This page is an internet usage guide for parents of preschool children provided by Japan's Ministry of Internal Affairs and Communications. It offers comprehensive information on how to manage digital devices—smartphones, tablets, and gaming devices—in childcare during the digital age. The content is organized into five chapters covering basic knowledge about radio waves and smartphones, considerations for young children's internet use, scenario-specific guidance, common parental concerns and solutions, and the impact of adults' smartphone habits on children. It addresses practical issues including effects on eyesight, recommended usage duration, safe video selection, and methods to prevent excessive screen time.