Building a Phone-Friendly Desk | Placement and Height for Less Strain

When you use a phone at your desk, its position and angle affect how tired your neck and wrists feel, and the difference shows by afternoon. A stand that brings the screen closer to eye level, plus a height where your elbows reach the desk, relaxes your shoulders and lets you work longer. This book covers stand selection, layout guidelines, and desk and chair height adjustment in a form usable at both home and office without relying on photos.

￥10,070

Drops and Water | Choosing Cases and Screen Protectors

Cracked screens and water damage are among the most familiar troubles, happening in everyday moments like commuting, bathing, or cooking. Even phones advertised as waterproof lose some water resistance depending on years of use and condition. This guide explains how to pick a case and screen protector, cautions for the bathroom, and what to do right after getting wet, plus repair contacts.

￥10,140

Weekend Digital Detox | Two Days Away From the Screen

Sometimes you want to step away from your phone completely and give your mind a slow, quiet rest. This book lays out preparation, messages to send in advance and how to spend the days as a realistic two-day plan. A review sheet and a packing checklist help you carry what you learned into your everyday phone use.

￥10,420

Making Your Own Phone-Life Plan | A Blueprint That Fits You

The ideal way to live with a phone differs from person to person depending on routine, work and family. First write down how you use it now on paper, then sort it into what you want to reduce and what you want to increase. Following a fill-in style flow, you can complete your own plan all the way to monthly reviews without strain.

￥10,420

Keeping Your Screen Clean | Hand and Skin Friendly Phone Hygiene

Phones touch your hands and face many times a day, so the screen, edges, and area around the camera easily collect dirt. Washing hands, wiping, and cleaning the case makes use more pleasant, but some materials cannot take alcohol or detergents, so checking beforehand is essential. This book summarizes cleaning methods by material and examples of care mistakes to avoid, using only things you have at home.

￥10,560

Phone Backup Habits | Protecting Photos and Contacts

Breakdowns, loss, and water damage come without warning, and treasured photos or key contacts may never come back. Keeping copies in both the cloud and a computer raises the chance of recovering them even if one becomes unavailable. This guide shows automatic backup setup, storage management, and how to confirm a restore works, along with preparation to finish before switching phones.

￥10,630

Sitting Posture and Screen Height | A Straight-Back Phone Life

Using a phone with a rounded back on a sofa or chair can leave your lower and upper back tired and make it a chore to stand up. Adjusting seat depth, backrest, and cushions, then keeping your feet flat and your pelvis upright, changes how your body feels. This guide explains, step by step, how to sit better at home or work, in words that come across clearly without photos.

￥10,700

Using Health Apps Sensibly | Not Ruled by the Numbers

Many people grow restless as their records pile up, and opening the app itself becomes a chore. First pick a single purpose, such as improving sleep, and keep only the alerts you truly need while turning off the rest. Checking only twice a day, morning and night, lets you ignore the data in between and keeps a comfortable distance.

￥10,980

Shaping Your Morning Phone Habit | Starting the Day Well

Checking your phone right after waking makes it easy for other people's news and work messages to pull at your mood. This book shows how to build a morning flow that keeps the first thirty minutes for yourself. Comparing the sample flows for weekdays and days off lets you pick a morning that fits your own rhythm.

￥11,120

Phone Heat and Your Body | Care With Pockets and Charging

Long use while charging, or a device heating up in a pocket, can transfer uncomfortable warmth to the skin. If the device feels hot, stop using it and review where you place it, how you use it, and whether its case is trapping heat for safer habits. This book organizes ways to carry it so heat does not build up, along with charging precautions and situations to watch by season.

￥11,120

Drawing the Line Between Work and Life | Phone Switching Skills

With one phone receiving both work and personal messages, switching off mentally on days off and at night gets hard. This book explains concrete steps such as after-hours notification settings and separating accounts and apps. Choices matched to your way of working are explained carefully, making it easier to secure real time off.

￥11,190

Rethinking Bedtime Phone Use | Evening Routine Guide

Plenty of people keep using their phone in bed and find their bedtime slipping later and later without meaning to. This book shows how to keep distance from screens before bed and how to charge the phone away from the bed. Quiet alternatives like reading or stretching are gathered into a one-week trial plan that is easy to follow.

￥11,190

Getting Along With Your Step Counter | A Habit Book for Enjoyable Walking

The right step goal differs greatly from person to person depending on age, fitness and work style. Skip comparisons with others and aim for just a little more than last week's usual count, raising it without strain. When you need to look at the screen, stop in a place that does not block people or bicycles before checking.

￥11,400

Public Wi-Fi Safety | Staying Careful at Cafes and Stations

Free Wi-Fi at stations and cafes is handy, but on unencrypted connections others may be able to see what you send. Fake access points with similar names are another trick, and you cannot judge safety by appearance alone. This guide shows with concrete examples when public Wi-Fi is fine and which actions to avoid, then explains turning off auto-connect and switching to mobile data.

￥11,610

Phone Time for Busy Parents | Using It to Give Yourself a Rest

Time on the phone between childcare tasks can be a precious break or something you regret later. Let us think together about how to split the short time after your child sleeps between gathering information and resting. It also shares tips for putting the screen down when with your child and ways of thinking that ease guilt.

￥11,750

Seeing Your Screen Time | Daily Phone Habit Book

Time spent on the phone can quietly add up to several hours a day without our noticing. Start by recording a week of usage and what it goes to, then look at it objectively. Keeping to a single goal, you can use the included record sheet to check each day's small changes without strain.

￥11,750

Making Friends With Boredom | Enjoying Time Without a Phone

Many people open their phone reflexively in small gaps, such as while waiting for a train or standing in line. This book treats idle time as having its own value and offers exercises to accept empty moments gradually. Tips for idling well in particular places, such as on trains and in clinic waiting rooms, are gathered as well.

￥11,820

Not Comparing on Social Media | Habits for a Lighter Mind

Social media is full of other people's highlights, so comparing them with your own everyday life can bring you down. This book explains that posts are curated and shows how to put your reactions into words. Fixing your viewing times in advance makes it easier to keep your own pace even on days when your mood is heavy.

￥11,960

Cycling and Your Phone | Ride Without Distraction Guide

Using a phone or earphones while cycling is subject to regulations and penalties under local ordinances and laws. Riding one-handed makes it harder to stop suddenly or stay steady, and can lead to hitting pedestrians or other cyclists. This guide introduces where to keep your phone, how to use voice guidance, and the habit of stopping before you use it, plus rainy day cautions.

￥12,030

Tuning Brightness and Text Size | A Guide to Comfortable Screen Settings

If a screen is too bright or too dim, your eyes work hard without you noticing to follow the text, and you feel tired by evening. Using standard features such as auto brightness, dark mode, and larger text makes a big difference in readability both outdoors by day and in a bedroom at night. This book carefully lists where to find key settings on major phones and recommends combinations for each situation, in a way beginners can follow.

￥12,030