プライバシーポリシー

1. はじめに

At 5minutetimer.top ("we," "our," or "us"), we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website and use our online timer service.

Please read this Privacy Policy carefully. If you do not agree with the terms of this Privacy Policy, please do not access the site.

2. 収集する情報

2.1 Information We Collect Automatically

When you visit our Service, we may automatically collect certain information about your device, including:

• Usage Data: Information about how you use our Service, including pages visited, time spent, and features used
• Device Information: Browser type, operating system, device type, and screen resolution
• Log Data: IP address, access times, and referring website addresses
• Analytics Data: Collected through Google Analytics and Vercel Analytics for service improvement

2.2 Information You Provide

We do not require you to create an account or provide personal information to use our Service. However, we may collect:

• Preferences: Timer settings, sound preferences, and theme choices (stored locally on your device)
• Feedback: If you choose to contact us or provide feedback through our GitHub repository

2.3 Information We Do NOT Collect

• Personal identification information (name, email, phone number)
• Payment or financial information
• Location data beyond general geographic region
• Biometric data
• Content of your timer sessions or activities

3. 情報の使用方法

We use the information we collect to:

• Provide, operate, and maintain our Service
• Improve and optimize user experience
• Understand usage patterns and preferences
• Detect and prevent technical issues
• Analyze Service performance and reliability
• Comply with legal obligations

4. データ保存とセキュリティ

4.1 Local Storage

Your timer preferences (duration, sound settings, theme) are stored locally in your browser using localStorage. This data:

• Remains on your device and is not transmitted to our servers
• Can be cleared by you at any time through your browser settings
• Is automatically deleted if you clear your browser data

4.2 Analytics Data

Analytics data is processed by Google Analytics and Vercel Analytics according to their respective privacy policies. This data is aggregated and anonymized.

5. Cookieと追跡技術

We use cookies and similar tracking technologies to:

• Essential Cookies: Required for basic Service functionality
• Preference Cookies: Remember your settings and preferences
• Analytics Cookies: Help us understand how you use our Service

You can control cookies through your browser settings. Note that disabling certain cookies may affect Service functionality.

6. 第三者サービス

Our Service integrates with the following third-party services:

6.1 Google Analytics

• Collects anonymized usage statistics
• Governed by Google's Privacy Policy
• You can opt-out using Google Analytics Opt-out Browser Add-on

6.2 Vercel Analytics

• Provides performance and usage insights
• Governed by Vercel's Privacy Policy
• Data is aggregated and anonymized

6.3 Vercel Hosting

• Hosts our Service infrastructure
• May collect standard web server logs
• Governed by Vercel's Privacy Policy

7. 情報の共有と開示

We do not sell, trade, or otherwise transfer your information to third parties, except:

• To our trusted third-party service providers (Google Analytics, Vercel) who assist in operating our Service
• When required by law or to protect our rights
• In connection with a merger, acquisition, or asset sale (with prior notice)

8. データ保持

We retain information only as long as necessary to provide our Service and fulfill the purposes outlined in this Privacy Policy. Analytics data is typically retained according to the retention policies of our third-party providers (Google Analytics: 26 months by default, Vercel Analytics: as per their policy).

9. プライバシー権利

Depending on your location, you may have the following rights:

• Access: Request information about data we collect
• Correction: Request correction of inaccurate data
• Deletion: Request deletion of your data
• Portability: Request a copy of your data
• Objection: Object to certain data processing activities
• Opt-out: Opt-out of analytics tracking

Since we collect minimal personal data, most of your data (preferences) is stored locally and can be managed directly through your browser settings.

10. 児童のプライバシー

Our Service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

11. セキュリティ対策

We implement appropriate technical and organizational security measures to protect your information. However, no method of transmission over the internet or electronic storage is 100% secure. While we strive to protect your information, we cannot guarantee absolute security.

12. 国際データ転送

Your information may be transferred to and processed in countries other than your own. These countries may have different data protection laws. By using our Service, you consent to such transfers.

13. プライバシーポリシーの変更

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. You are advised to review this Privacy Policy periodically for any changes.

14. 連絡先情報

If you have any questions about this Privacy Policy or our data practices, please contact us through our GitHub repository at https://github.com/ALioooon/5-minute-timer