Phones in Heat and Cold | Carry Tips to Avoid Overheating

A phone left in a hot car or in direct sunlight heats up easily and can run unstably or shut down suddenly. In cold outdoor weather, on the other hand, the battery can seem to drain faster and the screen may respond poorly. This guide covers where to keep your phone each season and calm steps to take when it feels hot, organized by summer and winter outings.

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Kids and Phones, Family Rules | A Guide to Deciding Together

Many families wonder which rules suit their household when a child gets a first smartphone. This book walks through making agreements together with your child instead of setting rules one-sidedly. Hints by age group are included, and everything is laid out so the family can write it down and check it together.

￥16,510

Before Switching or Selling | Wiping Data Safely

An old phone still holds a lot of personal information, such as photos, messages, and login details for various services. Handing it over for sale or recycling as is can put your information in a third party's hands, so preparation is essential. This guide lays out the transfer order, signing out of accounts, removing the SIM, and resetting, along with a final check after disposal.

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Phone and Focus | Setting Up Your Space to Concentrate

Just having your phone in sight while working can make you reach for it, and your hard-won concentration breaks. This book shows how to arrange your space with smart placement and built-in limits so focus comes easier. The schedule of short focus and break cycles comes with examples fitted to a typical day, so you can try it right away.

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Reviewing Morning Phone Habits | Starting the Day Lightly

Opening your phone right after waking sets your eyes and mind racing and can cost you a calm morning and rush the whole day. Opening the curtains for morning light, drinking water, and stretching lightly first makes it easier for your body to enter the day's rhythm. This book offers ways to shorten morning phone time and small habits to put in its place, in a form you can start in five minutes.

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The Case for Frequent Breaks | Pacing Your Phone Time

Everyone has days when they realize they have stared at the phone for over an hour, and then feel heaviness in the shoulders and eyes. Using a timer or app to set limits, then putting the screen down during breaks for deep breaths or water, changes how heavy your body feels. This book gives guidelines for break length and concrete examples of what to do after you stand up, both at work and at home that you can try right away.

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Evening Phone Habits | Gently Winding Down Your Day

Evening phone use, with videos and social media, tends to run long and keeps pushing back your bedtime. Set a cue to close the screen an hour before bed and charge the phone away from the bed to make switching off easier. It also offers screen-free evening options such as reading, stretching and preparing for tomorrow.

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Might I Be Overusing It? | Self-Check and Review Notebook

Even if you suspect you use it too much, it can be hard to know where to begin, so things stay as they are. This book offers a checklist to see how it affects daily life and a one-week record sheet. It is made as a tool for review rather than a diagnosis, and it also gives pointers on when to consult someone.

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QR Codes and Fake Sites | What to Check Before Scanning

QR codes are handy, but there are reports of stickers pasted over originals and codes that lead to fake sites. Making a habit of checking the URL you land on is the first step toward avoiding harm from fraudulent redirects. This guide shows concretely how to spot swapped codes, what to watch on payment screens, and when you should never enter personal information.

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Using Sleep Apps Wisely | A Guide to Tracking and Resting

Paying too much attention to a sleep app score can keep the number in your head and actually make it harder to fall asleep. Treat the records only as a guide to your sleep pattern and, above all, do not react to each day's score. We suggest an easy evening routine: charge the phone away from the pillow and silence alerts before getting into bed.

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Drawing the Line Between Work and Life | Setting Phone Boundaries

When work messages reach your personal phone, your mind struggles to switch off even on evenings and days off. Setting notification hours and separating work and personal accounts makes a clear boundary much easier to build. Sample wording for telling colleagues and family without causing friction is included for several situations.

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Phone Manners on Trains | Shoulder Surfing and Courtesy

On a crowded train, your screen can be seen by people beside or behind you, exposing work messages or personal details. Calls, sound leaks, and large movements made without noticing others can also bother the people nearby. This guide introduces screen tricks to stop prying eyes, manners on sound and calls, and courtesy near priority seats, with daily commutes in mind.

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Reviving Analog Joys | Finding Hobbies Beyond the Screen

After cutting back on screen time, many people are unsure what to do with the free hours that open up. This book shows how to start hands-on hobbies such as walking, crafts, reading and cooking. Centered on examples that cost little to start, it makes it easy to widen your world beyond the screen.

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Summer Phone Care | Protecting Your Device and Yourself From Heat

In summer, a phone left in a car or in direct sunlight can become far too hot and start to malfunction. Think also about where you charge it, how readable the screen is outdoors, and how you carry it. It also covers protection from sweat and splashes, plus notification settings that remind you to drink water.

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Handling Short Videos Well | Tips to Avoid Overwatching

Short videos play one after another automatically, so a few minutes can easily turn into a long stretch of time. This book shows how to set a time before you start and how to review autoplay settings. Built-in phone limits are introduced as well, so you can find a viewing amount that suits you without strain.

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Mindful Phone Moments | Intro to Intentional Use

Have you ever noticed what you are feeling at the very moment you casually open your phone? This book introduces the habit of pausing for a breath before picking it up and checking why you are using it. Keeping a one-minute daily log lets you gradually see which kinds of use feel good to you.

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Photos and Location Privacy | Pre-Posting Check Book

Photos can carry details such as where they were taken, and there are reports of homes being identified from posted images. Uniforms, signs, mail, and views from windows in the background can also be clues that reveal where you are. This guide introduces steps to review before posting, such as audience settings and tag checks, starting from the moment you take the photo.

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Meals and Your Phone | Rethinking Distracted Eating

Looking at a phone during meals dulls your awareness of taste and fullness and makes it easier to overeat or eat too fast. Simply keeping the phone off the table brings back time to savor your food and chances to talk with family. It introduces small, easy rules that work for solo meals and eating out, organized by everyday situation.

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Making It Easier to Hold | Choosing Grips and Cases

Holding a large phone with one hand can make you use unnecessary force in your palm and fingers, and many people tense up for fear of dropping it. Tools that help with grip, such as ring and stand grips, slim cases, and simple finger bands, come in many types. This book explains how to choose according to hand size and usage, with points to check before you buy, in an easy comparison by type.

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Phone Preparedness for Disasters | A Ready-Before-You-Need-It Guide

In a disaster, a phone plays a major role as a way to reach family and as a source of the latest information. In calm times, decide on battery-saving settings, family contact rules and how you will receive evacuation alerts. It also covers preparations for when the phone cannot be used, such as power banks and a paper list of contacts.

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