暮らし・家事Does your washing machine suddenly stop working or stop due to an error? Self-check by symptom and criteria for determining repair/replacementIf your washing machine suddenly stops working or stops due to an error, we will explain a checklist for each symptom and what you can do to deal with it yourself. From the causes of drainage errors, unusual noises, and poor drainage, to the criteria for determining whether repair or replacement is better.2026.03.12鈴木 遥
仕事・副業Is your microphone not working or can't hear your voice in a Zoom meeting? 7 causes and testing methods you can do before a meeting [Windows/Mac/Smartphone]Explains 7 reasons why the microphone doesn't work or the other party can't hear you during a Zoom meeting, and what to do about it. We'll explain how to check microphone permissions on Windows 11, Mac, iPhone, and Android, as well as test procedures you can do before a meeting.2026.03.12山田 結衣
WebサービスCan you inherit e-books? Terms of use for Kindle, Rakuten Kobo, and Apple Books and 3 ways to leave books to your familyCan I inherit e-books purchased from Kindle, Rakuten Kobo, or Apple Books? We'll review each service's terms of use and explain three practical ways to leave e-books to your family.2026.03.11佐藤 理香
パソコン・ソフトCan't log in to Teams/Sign in loop? Causes of each error code and solutions you can try now [2026 edition]Explains the causes and solutions when you cannot log in to Microsoft Teams or the sign-in loop occurs. We will introduce solutions for each error code, such as error code 0xCAA20003 and 0xCAA82EE2, as well as cache deletion and reinstallation procedures in an easy-to-understand manner.2026.03.11中村 健太
パソコン・ソフトAre emails from your own domain not arriving in Gmail? 5 reasons why emails are marked as spam and how to check SPF, DKIM, and DMARC settingsExplaining the reasons why emails from your own domain are sorted into Gmail's spam folder and how to deal with them. From how to check SPF, DKIM, and DMARC settings to countermeasures that can be taken on the receiving side. With the strengthening of Gmail sender guidelines in 2024, there is an increased risk that unsupported emails will no longer be delivered.2026.03.11中村 健太
スマホ・アプリCan't send LINE or Discord via Wi-Fi at school or work? How communication restrictions work and 4 ways to deal with them yourselfThe reason you can't use LINE or Discord even though you're connected to Wi-Fi at school or work is because of filtering (communication restrictions) on the network side. Explains the mechanisms of port blocking, DNS filtering, and app-level control, as well as four countermeasures you can take, such as switching to mobile data and using the web version.2026.03.11佐藤 理香
スマホ・アプリCan't take screenshots with your smartphone? Screen turns black? Reasons for prohibiting screenshots for each app and 5 solutions [iPhone/Android]If the screenshots on Netflix or banking apps turn black, it is not a malfunction of your smartphone. We will explain the reasons for prohibiting screenshots for each app (DRM/FLAG_SECURE) and 5 solutions for preserving screen information for iPhone and Android.2026.03.11佐藤 理香
AI・チャットボットHow to transcribe smartphone recordings using AI | Accuracy and usage of Gemini, ChatGPT, and dedicated apps [2026 edition]Explaining how to transcribe audio recorded with a smartphone using AI. We have summarized the accuracy and usage of free tools such as Google AI Studio (Gemini), Whisper, Notta, and AutoMemo by purpose.2026.03.10高橋 湊
AI・チャットボットIs it true that you can create apps with Gemini Canvas? How to use and precautions to start with zero programming knowledge [2026 edition]With Gemini Canvas, you can create web applications and games just by talking to AI without any programming knowledge. We explain how to start with a free plan, how to avoid common mistakes, and the differences between ChatGPT and Claude with the latest information as of March 2026.2026.03.10高橋 湊
WebサービスHas your Amazon account been hijacked? How to check orders/passkey registrations you don't remember and what to do nowAmazon account takeovers are on the rise. We will provide explanations based on the latest information as of March 2026, including how to confirm orders and passkey registrations that you do not recognize, procedures for contacting customer service, and preventive measures using two-step authentication and passkeys.2026.03.10佐藤 理香
スマホ・アプリCan't post or reply to X (Twitter) from your smartphone? 7 causes and solutions you can try now [iPhone/Android]Explains 7 reasons why you can't post or reply to X (formerly Twitter) from your smartphone and how to deal with it. Covers 7 patterns: server failure, communication environment, Android permission reset, cache, posting restrictions, account lock, and app bugs. Compatible with both iPhone and Android.2026.03.10佐藤 理香
スマホ・アプリHas the dark mode of X (Twitter) disappeared? Reasons why you can't switch within the app and how to deal with it using iPhone shortcutsExplains the reason why the dark mode switch disappeared with the iOS version X update in March 2026, and how to make only X dark using iPhone settings and shortcut automation.2026.03.06佐藤 理香
