Terms of Use

These Terms of Use apply to Kazu Nihongo and to the articles, explanations, learning tools, Kazu-SRS, images, designs, and other content provided on this website.

By using this website, these terms apply to your use of the website and its content.

1. Covered Content

These terms apply to all content published on this website, including:

• articles
• grammar explanations
• vocabulary explanations
• example sentences
• translations
• vocabulary data
• Kazu-SRS and other learning tools
• application code
• UI text
• page structure
• heading structure
• explanation flow
• images, illustrations, and photographs
• designs and layouts
• video supplement articles
• other original content published on this website

2. Copyright

Unless otherwise stated, the copyright in the articles, explanations, example sentences, translations, vocabulary data, application code, images, page designs, and other original content on this website belongs to the site operator.

The content on this website is protected by copyright law and related laws.

Access to this website does not grant permission to copy, republish, redistribute, sell, modify, adapt, publish, commercially use, or otherwise reuse the content.

3. Permitted Use

You may view and use this website for personal study.

You may share page URLs from this website.

You may make short quotations with proper attribution to the extent permitted by law.

However, you may not substantially reuse an entire article, a major part of an explanation, groups of example sentences, vocabulary data, page structure, or the flow of an explanation.

4. Prohibited Use

Without prior permission from the operator, you must not:

• copy content from this website
• republish content from this website
• redistribute content from this website
• sell content from this website
• place content from this website on another website, app, or service
• create a mirror site of this website
• reuse content from this website in PDFs, ebooks, teaching materials, slides, handouts, newsletters, or similar materials
• use the articles, explanations, example sentences, translations, vocabulary data, or structure of this website as source material for video scripts, lesson scripts, audio content, social media posts, blog articles, apps, teaching materials, courses, or other public content
• translate and publish content from this website
• summarize, modify, or restructure content from this website for publication
• substantially reuse the wording, example sentences, explanation order, heading structure, or educational design of this website to create public content
• extract, copy, modify, or reuse the code, vocabulary data, example sentences, explanations, UI, or design of Kazu-SRS or other learning tools
• turn content from this website into a dataset
• use content from this website for training, evaluating, or generating output with AI models, machine learning systems, search systems, teaching-material generation systems, or similar systems
• scrape, crawl, automatically collect, bulk download, or mechanically gather content, except for ordinary indexing by general search engines
• remove or alter advertisements, copyright notices, links, notices, or UI displays and republish the result
• interfere with the operation, display, ad delivery, analytics, or security of this website or its learning tools

5. Classroom and Educational Use

You may introduce page URLs from this website to students or learners.

Unless a specific page clearly grants permission, you may not reuse articles, explanations, example sentences, translations, vocabulary data, images, tool screens, or page structure in teaching materials, handouts, video lessons, courses, slides, apps, websites, social media posts, or other content that is distributed or publicly released.

If a specific page, such as a classroom tool page, provides separate usage conditions, those page-specific conditions take priority.

6. Kazu-SRS and Learning Tools

Kazu-SRS and other learning tools on this website may be used free of charge for personal study.

You may not copy, redistribute, modify, sell, republish, embed, extract, or reuse the code, vocabulary data, example sentences, explanations, translations, UI, design, or screen structure of Kazu-SRS or other learning tools without permission.

You may not use Kazu-SRS or other learning tools as source material for another website, app, teaching material, video, course, social media post, dataset, AI training material, or other public content.

Learning data may be stored in the user’s own browser.

7. Advertising

This website may display advertisements.

You must not manipulate ad displays, artificially generate ad clicks, or interfere with ad delivery systems.

8. External Links

This website may contain links to YouTube, Google Play, WordPress.com, and other external websites.

When using external websites, please check their own terms of use and privacy policies.

9. Changes to the Website

The content, structure, design, features, learning tools, advertisements, and publication scope of this website may change for improvement or operational reasons.

10. Response to Infringement

If a violation of these terms or unauthorized use of this website’s content is found, the operator may request removal, request suspension of publication, report the matter to platforms, notify hosting providers, submit removal requests to search engines, or take other necessary actions.

For malicious unauthorized use, commercial use, repeated infringement, or actions that interfere with the operation of this website, legal action may be taken.

11. Page-Specific Conditions

If a specific page, tool, or content item on this website has its own usage conditions, those page-specific conditions take priority over these terms.

For matters not covered by page-specific conditions, these terms apply.

12. Changes to These Terms

The operator may update these terms when necessary.

Updated terms take effect when they are published on this website.

13. Governing Law

These terms are governed by the laws of Japan.