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Japan Know How archive

Author: Kaori Miyata

Japanese Home

Humidity, Not Tidiness, Runs This Habit

Putting a Japanese futon away is not mainly about keeping the room tidy. The routine lets trapped moisture escape before it damages the bedding, tatami, or flooring underneath.

Kaori Miyata

Japanese Home

How Many Mats Is the Room You Are Renting

A Japanese room is measured in mats, and mats differ by region. What one jo equals in square feet, and which mat layout is used only at funerals.

Kaori Miyata

Japanese Home

Why the Floor Steps Up Inside the Door

A genkan is more than a place to remove shoes. Its lowered floor and raised sill create a physical boundary between the street and the home, shaping how residents enter, receive guests, and deal with deliveries.

Kaori Miyata

Japanese Food

Egg, Milk, Wheat, Buckwheat, Peanut, Shrimp, Crab, Walnut

Japan requires packaged foods to identify nine specified allergens, including cashews added in 2026, while twenty more remain recommended. Restaurants are outside the mandatory system, so a menu or staff answer cannot provide the same level of information as a packaged-food label.

Kaori Miyata

Japanese Home

Reading 1LDK, Jo and the Move-In Bill

1LDK, twenty-five square meters, and a move-in bill of several months' rent. How Japanese listings describe a home, and what the shorthand hides.

Kaori Miyata

Japanese Phrases

The Hand Signals You Will See Before You Hear

Japanese gestures can reject a request, clear a path, identify a person, or settle a bill before anyone speaks. This guide explains ten useful signals, the context behind them, and the American habits most likely to cause confusion.

Kaori Miyata

Japanese Beauty

Thicker Strands, Softer Water, Other Products

Japanese hair is thicker in cross-section and Japanese tap water is soft, so an imported shampoo behaves differently at home. What that actually changes.

Kaori Miyata

Japanese Phrases

Japanese Has No Safe Word for You

Anata is not the polite you. What to call a waiter, a clerk, a stranger and a coworker when you have no name, and why job titles do the work.

Kaori Miyata

Japanese Food

Gyudon to Kaiseki: the Real Price Ladder

Beef bowl, ramen, set lunch, izakaya night, sushi counter. Six price tiers in yen and dollars, plus what rice and labor costs recently did to them.

Kaori Miyata

Japanese Beauty

The Base Does the Work, Not the Eyes

Japanese makeup often creates its effect through texture, light, and carefully placed color rather than heavy contour. Compare a restrained base, Igari blush, and mizu-tsuya shine—including what each finish costs at Japanese drugstores.

Kaori Miyata