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    If fraudulent Hatena registrations are detected from your location, we may require some additional steps to ensure that the information you provide is valid. If creation of additional Hatena accounts is required at your location for some reason, please contact Hatena Customer Support by clicking on the support link at the bottom of this page and we will do our best to assist you. Please be sure to tell us the following information when you contact us:

    • Your name
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Contact us

If your support matter is urgent, or if you have encountered a serious bug, please contact us directly. Please include your name, email address and a description of the problem and send it us via our contact form. Our support staff will investigate your problem and reply to you by email.

2019年1月23日現在、お問い合わせ窓口が非常に混み合っております。また、はてなダイアリーの更新終了を1/28に予定いたしておりますため、はてなダイアリーに関するお問い合わせに優先してご回答いたしております。そのため、それ以外のお問い合わせについては、回答までに1週間以上のお時間をいただく可能性もございます。大変ご不便をおかけいたしますが、どうかご容赦ください。

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