Terms of Service

This is an unofficial English translation for reference. The Japanese version is the original and takes precedence in case of any discrepancy.

Operator

This service is operated by Ryoichi Sasaki (佐々木 亮一).

Use of information

The heat/cold protection information in this app is general guidance and is not a substitute for medical advice, emergency response, or official warnings. If you feel unwell or are in danger, please check your local emergency contacts and medical guidance.

Medical disclaimer

This app is not a medical device. It is not intended for the diagnosis, treatment, cure, or prevention of any disease, and must not be used for such purposes. The content displayed is limited to general informational guidance on heat and cold protection.

For medical advice, diagnosis, or treatment, please consult a physician or other qualified healthcare professional. Do not avoid seeking care or consulting a healthcare professional because of information in this app.

If you have an emergency symptom, do not wait for this app's display — call 119 within Japan, or your local emergency number outside Japan.

External services

External services such as weather, maps, and official guidance are subject to their own terms of provision and availability. Transitions to external sites occur only through user action.

Affiliate links

As an Amazon Associate, Natsufuyu Comfort earns from qualifying purchases.

The Web version may display reward links for Amazon, Rakuten, and approved ASPs. Reward links are labeled "Ad," and the presence or amount of any reward is never used in diagnosis results, comparison ranking, or explanations. The iOS and Android versions do not use reward links.

Products, services, and transactions at linked destinations are subject to each provider's own terms, and the operator is not responsible for their content. Handling of information collected is described in the Privacy Policy.