Opt-out & Preference Controls

If we send you non-essential messages (for example, updates you did not request), you can ask us to stop. Email us with the subject line “Opt-out request” and include:

• Your email address used for contacting us
• What you want to stop (all non-essential messages or a specific category)
• Any helpful context

We may still send operational replies that are necessary to respond to your inquiry or manage an ongoing request.

You can control cookies using browser settings (block, delete, or restrict cookies). This Website also supports a cookie preferences tool to help manage available categories.

2.1 Categories used

• Required: supports core operation (for example, remembering your cookie choice)
• Performance: basic signals about site performance and usability

2.2 How to reset choices

• Clear site cookies in your browser settings
• Reload the Website and set preferences again

If you want to receive only responses related to your inquiry, tell us in your message or email. We aim to keep communications relevant and scoped.

• Prefer email vs. phone
• Preferred hours (JST)
• Whether attachments are acceptable, and if so, which formats

For certain requests (for example, data deletion or access requests), we may ask for limited verification to confirm the request relates to the right person. We try to keep verification proportionate.

• Privacy Policy — data handling and retention
• GDPR Notice — rights overview and applicability