If an error "the service is denied" (the exact message depends on the instituion) occurs,
please send a message to the person responsible for Gakunin in your institution saying
you want to use mdx but got this error (the service is denied);
explanations on mdx and the instruction to enable it in your institution can be found in the page Information for GakuNin Administrators at https://mdx.jp/en/mdx1/p/usage#en_to_gakunin_admin
学認アカウントをお持ちでない方 (mdxローカル認証でログイン)
For non-GakuNin user (Login with mdx account)