Needed for the site's basic functions, such as your language preference (Japanese/English) and the temporary handoff of your learning-planner answers. This cannot be disabled.
Uses Google Analytics, Vercel Web Analytics and Microsoft Clarity (session recordings/heatmaps of clicks and scrolling) to understand how the website is used and to improve the service. Measurement does not start until you allow it.
May use information related to Google Ads measurement to understand whether advertising leads to enquiries.
Allowing this does not enable advertising personalisation.
