スマホ・アプリHow to listen to radio on an old smartphone that cannot install radiko | 5 alternative apps and tricks [2026 edition]Explains how to listen to the radio on an old smartphone where radiko cannot be installed. We will introduce how to check the recommended OS requirements, 5 alternative apps such as RAJIRU★RAJIRU and WIZ RADIO, and tricks to listen to music in your browser.2026.02.23佐藤 理香
パソコン・ソフトHow to revive an old PC that cannot be upgraded to Windows 11 with Ubuntu | Complete guide for beginnersWhat to do with an old PC that can't be upgraded to Windows 11 after Windows 10 support ends? We will explain step by step for beginners how to install and continue using the free OS "Ubuntu" safely.2026.02.23中村 健太
スマホ・アプリDoes the app say "not supported" on your old smartphone? How to identify the cause and 5 remedies [Android]4 reasons why you can't install apps because Google Play says "Your device is not compatible with this version" and 5 solutions. Solve the problem of not being able to use LINE or radiko on a used or old Android smartphone.2026.02.23佐藤 理香
AI・チャットボットClaude Code not working the way you want? 5 common addictive patterns and how to give good instructionsAre you stuck with Claude Code and thinking, "It's working, but the result isn't what I was looking for?" We will explain the five pitfalls that beginners tend to make and how to give instructions to get the desired results, along with pricing and function information as of February 2026.2026.02.23高橋 湊
スマホ・アプリCan't use Suma Ticket/Electronic Ticket due to smartphone malfunction? Reissue procedure by platform and 3 preparations to make in advanceWe explain what to do when you can't display your electronic ticket (Smartphone, Law Ticket, TicketPla) due to a smartphone malfunction or model change, for each platform. We will also introduce you to identity verification on the day of admission and 3 things you should do in advance.2026.02.23佐藤 理香
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
