Privacy policy
Effective date: 2026/05/16
Introduction
This Privacy Policy explains how Seiiku Design Studio (“we”, “our”, or “us”) collects, uses, processes, and protects personal data when you visit our website.
We are committed to protecting your privacy and handling personal data in accordance with the General Data Protection Regulation (EU) 2016/679 (“GDPR”) and applicable data protection laws.
By using this website, you agree to the practices described in this Privacy Policy.
Data controller
The data controller responsible for the processing of personal data on this website is:
Seiiku Design Studio
Website: seiikudesign.com
Email: privacy@seiikudesign.com
If you have any questions regarding the processing of your personal data, you may contact us using the email address above.
Personal data we collect
We may collect and process the following categories of personal data:
Information you provide voluntarily
When you contact us through forms, email, or other communication channels, we may collect:
name
email address
company name
phone number
project information or other details provided in the message
This data is used solely for the purpose of responding to inquiries or discussing potential cooperation.
Automatically collected information
When you visit the website, certain technical information may be collected automatically, including:
IP address
browser type and version
device type
operating system
pages visited
time spent on pages
referral source
approximate geographic location
This information helps us improve the performance, usability, and security of the website.
Legal basis for processing data
We process personal data under the following legal bases in accordance with GDPR:
Legitimate interest (Art. 6(1)(f)), for analytics, website security, and improving website performance.
Consent (Art. 6(1)(a)), for cookies, tracking technologies, and marketing tools.
Contractual necessity (Art. 6(1)(b)), when data processing is necessary to respond to inquiries or prepare a service agreement.
Analytics and tracking technologies
Google Analytics
This website uses Google Analytics, a web analytics service provided by Google LLC.
Google Analytics helps us understand how visitors interact with the website by collecting anonymized usage data such as:
page views
session duration
user interactions
traffic sources
Google Analytics may store cookies on your device to collect this information.
The collected data is used solely for statistical analysis and improving website performance.
You can learn more about Google’s privacy practices here: https://policies.google.com/privacy
Users can opt out of Google Analytics tracking by using the browser add-on provided by Google.
Posthog
This website uses Posthog, a privacy-focused web analytics service provided by PostHog Inc. (formerly known as Hiberly Inc.).
Posthog web analytics helps us understand how visitors interact with the website by collecting anonymized usage data such as:
IP address
Information about your device
Pages you have viewed
Content you have viewed
Posthog may store cookies on your device to collect this information.
The collected data is used solely for statistical analysis and improving website performance.
You can learn more about Posthog’s privacy practices here: https://posthog.com/privacy
Cookies
This website uses cookies and similar tracking technologies to enhance user experience and analyze website traffic.
Cookies may be used for:
website functionality
analytics
marketing and advertising optimization
Users can control or disable cookies through their browser settings. When required by law, cookie consent will be requested before non-essential cookies are activated.
Data sharing
We do not sell or rent personal data.
Personal data may be shared with trusted service providers only when necessary for operating the website or delivering services, such as:
hosting providers
analytics providers
advertising platforms
software infrastructure providers
All such providers process data in accordance with applicable data protection regulations.
Data retention
Personal data is retained only for as long as necessary to fulfill the purposes for which it was collected.
Retention periods may vary depending on:
legal obligations
contractual requirements
operational needs
Once personal data is no longer required, it will be securely deleted or anonymized.
Data security
We implement appropriate technical and organizational measures to protect personal data against:
unauthorized access
loss or destruction
alteration or misuse
Despite these measures, no internet transmission can be guaranteed to be completely secure.
Your rights under GDPR
Under GDPR, you have the right to:
access your personal data
request correction of inaccurate data
request deletion of personal data
restrict or object to data processing
request data portability
withdraw consent at any time
To exercise these rights, please contact us at: privacy@seiikudesign.com
Third-Party websites
Our website may contain links to external websites.
We are not responsible for the privacy practices or content of those third-party websites.
Users should review the privacy policies of any external sites they visit.
Updates to this Privacy Policy
We reserve the right to update this Privacy Policy at any time to reflect changes in legal requirements or website functionality.
Updated versions will be published on this page.