Reference Translation
Last updated: 9 August 2026
This English version is provided for reference only. The Japanese version is the authoritative version. If there is any discrepancy or ambiguity between this translation and the Japanese version, the Japanese version shall prevail to the extent permitted by applicable law.
ShortWave.STUDIO (operator: Yuta Hayakawa; hereinafter referred to as the “Site”, “we”, “us” or “our”) uses cookies and similar technologies for the provision and security of the Site, analytics, advertising, affiliate functions and related purposes.
This Policy explains the use of cookies and similar technologies on the Site. For our handling of personal information and other information generally, please refer to our Privacy Policy.
1. What Are Cookies?
Cookies are small pieces of data sent by a web server or third-party service to a user’s browser and stored on the user’s device when a website is used.
In addition to cookies, the Site may use local storage, pixels, tags, identifiers and other technologies used for similar purposes. Unless a distinction is necessary, these are collectively referred to in this Policy as “cookies and similar technologies”.
2. Categories of Cookies and Similar Technologies Used on the Site
The Site primarily uses the following categories.
[Strictly Necessary and Security]
These are necessary to provide the Site’s basic functions, maintain security, prevent misuse, process forms and provide other functions requested by the user.
Main services: WordPress, Cloudflare Turnstile
[Functionality and Preferences]
These are used to retain language and other user preferences and to make the Site easier to use.
Main purposes: language settings, display-related settings and similar preferences.
[Analytics]
These are used to understand Site usage, browsing trends, traffic sources and other statistical information, and to improve the Site and its content.
Main service: Google Analytics
[Advertising]
These are used for advertising delivery, frequency management, measurement of advertising performance and conversions, advertising optimisation, and, depending on user choices, ad personalisation.
Main services: Google Ads, Google AdSense
[Affiliate]
These are used to record and measure referrals from the Site to external services and outcomes resulting from those referrals.
Main service: Amazon Associates Programme
[Embedded Content]
These may be used by third-party services to display or play videos and other third-party content on the Site.
Main service: YouTube
3. WordPress
The Site uses WordPress. WordPress may use cookies for basic site functions, session management, login, security and other necessary functions.
Cookies used for administrators or logged-in users may differ from those required for ordinary visitors.
4. Cloudflare Turnstile
The Site uses Cloudflare Turnstile on contact forms and similar functions to prevent spam, bots and other misuse.
Cloudflare may use cookies or similar technologies to provide Turnstile and other security functions. Cloudflare describes cookies that are necessary for security as being required to provide the relevant service.
5. Google Analytics
The Site uses Google Analytics. Google Analytics uses cookies and similar technologies to measure Site usage and generate statistical information.
Examples of Google Analytics cookies observed or commonly used on the Site include:
• _ga
• _ga_<measurement-id>
Their names, retention periods and technical specifications may be changed by Google.
6. Google Ads
The Site uses Google Ads for purposes including measuring advertising performance and conversions.
Examples of cookies and similar technologies associated with Google Ads include:
• _gcl_au
• _gcl_ls (local storage or similar storage)
The cookies or similar technologies actually used may vary depending on advertising functions, user location, consent status, browser environment and other conditions.
7. Google AdSense
The Site uses Google AdSense to display advertising.
Google and its advertising technology partners may use cookies and similar technologies for ad delivery, frequency management, measurement, fraud prevention, ad personalisation and related purposes.
Because the cookies and similar technologies used may vary depending on user location, consent status, ad type, Google’s technical specifications and other conditions, this Policy does not maintain a fixed exhaustive list of individual cookie names. For current information, please refer to Google’s information on how Google uses cookies.
8. Google Consent Management Platform (CMP) and Consent Mode
The Site uses Google’s Consent Management Platform (CMP) and Consent Mode for consent management in accordance with applicable law and Google requirements.
In applicable regions, users may use the consent message displayed on the Site to consent to, reject or configure the use of cookies and similar technologies where such choices are available under applicable law.
Consent Mode is used to communicate the user’s choices to Google tags so that their behaviour can be adjusted according to the relevant consent state.
9. YouTube
The Site may embed YouTube videos.
When embedded YouTube content is displayed or interacted with, Google or YouTube may use cookies and similar technologies. The technologies actually used may vary depending on the embedding method, user location, Google Account sign-in status, consent status and other conditions.
10. Amazon Associates Programme
The Site participates in the Amazon Associates Programme and contains affiliate links to Amazon.
Amazon may use cookies, identifiers and other technologies to record and measure visits from the Site to Amazon, purchases and other outcomes relevant to the affiliate programme.
As an Amazon Associate, ShortWave.STUDIO earns from qualifying purchases.
11. External Resources
The Site may load fonts, icons, scripts and other resources from external services including Google Fonts and Font Awesome. These services process communication information required to deliver the relevant resource and may use cookies or similar technologies in accordance with the provider’s specifications.
12. Consent and Changing Cookie Settings
Where consent or choice is required by applicable law, users may make their selection using the Google CMP consent message or cookie settings made available on the Site.
Users may also be able to change a previous choice through the Site’s cookie settings mechanism.
Most browsers also allow users to delete cookies, refuse storage, receive notifications before storage and otherwise manage cookie settings. Disabling strictly necessary cookies may, however, cause some functions of the Site not to operate correctly.
13. Retention of Cookies and Similar Technologies
Retention periods vary according to the purpose of the relevant cookie or technology and the settings of the provider. Some are deleted at the end of a session, while others remain on the device for a specified period.
The names, purposes and retention periods of cookies and similar technologies used by third-party services may change when those providers change their technical specifications.
14. Third-Party Cookies and Similar Technologies
Cookies and similar technologies set or used by Google, Amazon, Cloudflare, YouTube and other third parties are subject to the privacy policies, cookie information and other terms established by those third parties.
15. Changes to This Policy
We may amend this Policy in response to changes in applicable law, the services we use, the technical specifications of cookies and similar technologies, or our operational policies.
16. Language
The Japanese version of this Policy is the authoritative version. The English and Traditional Chinese versions are provided for reference only.
If there is any discrepancy or ambiguity between the Japanese version and a translation, the Japanese version shall prevail to the extent permitted by applicable law.
17. Contact
For enquiries regarding this Policy, please contact us through the contact form on the official ShortWave.STUDIO website.
Operator: ShortWave.STUDIO (operator: Yuta Hayakawa)
Official website: https://shortwave.studio/
References
• Personal Information Protection Commission of Japan — FAQ on cookie and device identifiers
https://www.ppc.go.jp/all_faq_index/faq1-q8-1
• Google — How Google uses cookies
https://policies.google.com/technologies/cookies
• Google — About Consent Mode
https://support.google.com/google-ads/answer/10000067
• Google AdSense — Google consent management requirements
https://support.google.com/adsense/answer/13554116
• Amazon Associates Programme Operating Agreement and Policies
https://affiliate.amazon.co.jp/help/operating/agreement
• Cloudflare Cookies
https://developers.cloudflare.com/fundamentals/reference/policies-compliances/cloudflare-cookies