The design of this website was developed according to the AWDG (Accessible Website Development Guidelines) in compliance with the accessible website design regulations to provide features such as referring URLs, Site Navigator, Access Key and so forth. The command descriptions for Access Keys available on our website are provided below:

• Alt + U：Upper area on the top side, containing the links to the site map, sign in/out and sign up.
• Alt + C：Main content area, containing the main information of each webpage.
• Alt + Z：Bottom Link area, containing the links to the information security policy, privacy policy and open data declaration.