Privacy Policy

Last Updated: 2026-05-24

LostNavJapan ("the Service") provides lost item recovery support, communication assistance, and shipping coordination services. This Privacy Policy explains how we collect, use, and manage personal information.

1. Information We Collect

We collect only the minimum information necessary to provide our services.

1-1. Information Provided by Users

We may collect the following information when you use the Service.

During Lost Item Recovery Support

  • Name or nickname
  • Email address
  • Chat contents
  • Information related to lost items
  • Information regarding locations, facilities, and dates

During Shipping Coordination

When shipping is required, we may collect:

  • Full name
  • Shipping address
  • Phone number
  • Information necessary for delivery

1-2. Payment Information

Payments are processed through Stripe. The Service does not store or retain credit card numbers or other payment details.

For payment confirmation purposes, we may access limited information available through Stripe, including:

  • Payment status
  • Payment ID
  • Payment date and time
  • Payment amount

This information is not stored in our own database.

1-3. Automatically Collected Information

For service improvement and fraud prevention, we may automatically collect:

  • IP address
  • Browser information
  • Device information
  • Access timestamps
  • Cookies and similar identifiers

2. Purpose of Use

Collected information may be used for the following purposes:

  • Lost item recovery support and communication assistance
  • Shipping and delivery coordination
  • Identity verification and fraud prevention
  • Multilingual chat support
  • Customer support and inquiries
  • Service improvement and quality enhancement
  • Compliance with legal obligations

3. Use of Generative AI

The Service may use generative AI technologies for multilingual chat support and translation assistance.

Chat contents and inquiry details may be transmitted to external AI service providers for translation and response generation purposes.

However, we strive to minimize the amount of personal information transmitted.

Users are advised not to input unnecessary sensitive or confidential information.

4. Sharing of Personal Information

We do not provide personal information to third parties except in the following cases:

  • When arranging shipments with delivery companies
  • When necessary for payment processing
  • When required by law
  • With the user's consent

5. Data Security

We implement reasonable security measures to prevent unauthorized access, leakage, alteration, or loss of personal information.

6. Data Retention

Collected information will be deleted or anonymized after the purpose of use has been fulfilled or after the legally required retention period has expired.

7. Cookies

The Service may use cookies for functionality improvement and analytics purposes.

Users may disable cookies through browser settings; however, some features of the Service may not function properly.

8. Use by Minors

Minors should obtain consent from a parent or legal guardian when necessary before using the Service.

9. Changes to This Privacy Policy

This Privacy Policy may be updated when necessary.

Changes become effective upon publication on the Service.

10. Contact

For inquiries regarding personal information handling, please contact us through the Service's contact page.