パソコン・ソフトIs your Mac frozen and not working? 6 reasons why the rainbow cursor does not stop and how to deal with it [Compatible with macOS Sequoia]Explains six causes and solutions when the rainbow cursor (rainbow-colored twirling) does not stop or freezes on your Mac. The latest information on macOS Sequoia, from how to use Activity Monitor to safe mode.2026.02.23中村 健太
暮らし・家事Will the white lumps on the humidifier not come off with citric acid? Cleaning methods and preventive measures for each type of limescale stainsExplains what to do when the white lumps (calcium) stuck to the humidifier cannot be removed with citric acid. The three methods of increasing concentration, pasting, and repeated washing, the correct frequency of cleaning for each type (steam, ultrasonic, vaporization, and hybrid), how to remove pink stains, and how to put it away at the end of the season.2026.02.22鈴木 遥
暮らし・家事When should you disassemble and clean your drum-type washing machine? Summary of market prices, how to choose a vendor, and what you can do on your ownWe have summarized the average price for disassembling and cleaning a drum-type washing machine (20,000 to 40,000 yen), how to know when to ask for help, 5 points to consider when choosing a contractor, and the scope of self-maintenance that you can do yourself.2026.02.22鈴木 遥
パソコン・ソフトCan't sync Obsidian to iCloud? Causes and solutions for notes not being reflected on Mac/iPhoneWhen trying to sync Obsidian with iCloud on a Mac or iPhone, we will explain 5 reasons why notes are not reflected or Vault cannot be found, and specific solutions. This is the latest information as of February 2026.2026.02.22中村 健太
スマホ・アプリCan't buy books from the Kindle app on your smartphone? How to display the purchase button and how to purchase changed due to the new smartphone law [2026 edition]Explains why you can't buy books from the Kindle app on your smartphone and how to use the "getbook" purchase button added under the new smartphone law that will come into effect in December 2025. We will introduce the purchase procedure and troubleshooting methods for both iPhone and Android.2026.02.22佐藤 理香
スマホ・アプリIs your smartphone broken and you can't receive the SMS verification code? What to do when you can't log in and 5 things to prepare in advanceWe will explain 5 ways to deal with the problem of not being able to log in because the SMS authentication code did not arrive when your smartphone is broken or lost, and 5 preventive measures to prevent this from happening again. We will introduce specific steps such as backup code, passkey, SIM replacement, etc.2026.02.22佐藤 理香
パソコン・ソフトCan't format your university report in Word? How to correctly set fonts, margins, and page numbers [for beginners]For those who don't know how to format university reports in Word, this guide explains how to correctly set fonts, margins, and page numbers from scratch. We'll also show you how to deal with the default changes due to the 2025 Word update, as well as a pre-submission checklist.2026.02.22中村 健太
パソコン・ソフトWhen entering Japanese in the VS Code terminal, do characters disappear or cannot be converted? 5 causes and solutions you can try nowWe will explain in an easy-to-understand manner the 5 reasons why characters disappear, become garbled, or display misalignment when you enter Japanese in the VS Code terminal, as well as specific solutions such as changing settings.json settings and turning off GPU acceleration.2026.02.22中村 健太
AI・チャットボットCan't generate images with Gemini? 5 reasons why only text is returned and solutions you can try now [2026 edition]Five reasons why only text is returned when you ask Gemini to "generate an image" (model incompatibility, limit on number of times, safety filter, lack of prompts, server failure) and easy-to-understand explanations of how to deal with each of them.2026.02.22高橋 湊
AI・チャットボットDid all Gemini's conversation history disappear? Reasons why the sidebar becomes blank and 3 ways to restore it [February 2026]On February 19, 2026, a large-scale bug occurred where Gemini's conversation history disappeared from the sidebar all at once. The cause is a metadata display failure, and there is a high possibility that the data itself remains. Explains three methods for restoring the search function, My Activity, and another browser, as well as future backup measures.2026.02.21高橋 湊
スマホ・アプリWhy does my smartphone freeze or operate slowly? 6 causes and solutions you can try now [iPhone/Android]There are six reasons why your smartphone freezes or runs slow, including insufficient storage, insufficient memory, and not updating the OS. We will explain in an easy-to-understand way how to deal with each iPhone and Android, as well as the criteria for deciding whether to initialize or replace the device.2026.02.21佐藤 理香
AI・チャットボットWhat is OpenClaw? How to introduce your own AI assistant to Slack and points to note [2026 edition]A 5-step explanation of how to connect the popular AI agent "OpenClaw" to Slack. We have summarized what you can and cannot do, security precautions when using it for business, and troubleshooting.2026.02.21高橋 湊
