WebサービスIs the e-book I bought on Amazon not showing up on my Kindle? 5 causes and how to restore purchased booksExplaining 5 reasons why e-books purchased from Amazon are not displayed on the Kindle app and how to deal with them. We will also introduce the risk of account locking due to repeated cancellation and repurchase, and how to unlock it.2026.02.19佐藤 理香
WebサービスHas the dark blue color of X (Twitter) disappeared? Reasons for abolishing Dim mode and 3 ways to restore it [February 2026]On February 12, 2026, the dark blue background "Dim" theme was suddenly discontinued from the web version of X (formerly Twitter). The reason for the abolition is "lack of development resources". In this article, we will explain in an easy-to-understand manner how Dim mode disappeared and three ways to restore the original dark blue color using Chrome extensions.2026.02.19佐藤 理香
WebサービスDid your Netflix plan change without permission? How to check for unauthorized login and what to do immediatelyNetflix was changed to a premium plan without permission - cases of unauthorized logins are rapidly increasing. We've compiled a list of countermeasures and preventive measures you should take right now, from how to confirm your account to changing your password, logging out of all devices, and requesting a refund.2026.02.18佐藤 理香
WebサービスWhat happens to YouTube Premium student discount after graduation? Summary of update conditions and switching methodWhat happens to YouTube Premium student discount after graduation? We will explain in an easy-to-understand manner how the rate automatically changes to the regular rate, and the procedures for canceling and changing plans.2026.02.15佐藤 理香
WebサービスHow to fix when there is no sound or the other party can't hear when sharing the screen on DiscordHow to resolve the issue where there is no sound or the other party cannot hear when sharing the screen on Discord. We have compiled a list of solutions that you can try in order, such as checking the audio toggle, sharing by app, audio settings, and running as an administrator.2026.02.15佐藤 理香
WebサービスHow to create images with transparent backgrounds using Canva | Can you create transparent PNGs for free?Explaining how to create a PNG image with a transparent background using Canva. Is it not possible in the free version? We have summarized the steps for the paid version (Pro), tricks to create transparent PNG for free, and how to use it properly.2026.02.15佐藤 理香
