Privacy policy
On this blog, we use “Advertisement Google Adsense" using third party advertisement service.
Therefore, we may use information about access to this site or other site (name, address, mail address, telephone number not included * same below).
http://www.google.co.jp/policies/technologies/ads/
For information on how to disable information about access to this site and other sites, click here to change the setting.
https://support.google.com/adsense/answer/113771?ref_topic=23402&rd=2
For details, please see the official privacy policy of Adsense ads.
http://www.google.com/intl/ja/privacy.html