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  • HTML5 Logo
    HTML5 iframe: Respond to Responsive Web Design
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    JavaScript var, let, const: How to use variable declaration
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    JavaScript: Change the number of lines displayed in Prism.js
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    jQuery: Prevent collision of $
About Web
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    php composer: Let's make effective use of autoload !
About ICT
Web tool
  • gold
    Made a tool to calculate the golden ratio.
Successive emperors
  • Japan's Emperor Gotoba Portrait
    82th Emperor Go-toba. A genius sentenced to exile from subordinates
History of Japan
The Emperor

Article list

Made a tool to calculate the golden ratio.


There are a lot of calculation tools for golden ratio. However, I thought that the calculation result I want is not enough for web design. So I made it myself.

Although it may not be used, we calculate Yamato ratio, Silver ratio, Platinum ratio, 2nd golden ratio, Bronze ratio additionally.

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Deception of the Third Abe cabinet in Japan

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The 3rd Abe cabinet in Japan began.

However, its top leader will continue to sit in the prime minister wholly at least as ugly.

Will the Japanese people endorse those who do not want to work for the benefit of the people?

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HTML, CSS: Created a basic format for responsive

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I created a basic format responsive only with HTML and CSS.

Four patterns of 1 column, 2 columns (left menu or right menu), 3 columns (both ends menu) are achieved by switching the css class.

When it comes to smartphone size, the side menu is displayed on the lower side.

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What is the Japanese political system "Insei"?

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There was a political system called "Insei" in medieval Japan in the 11th and 13th centuries.

It was born in the trend of returning to the emperor-centered political system.

Actually, without "Insei", no samurai society was born. What kind of thing is it?

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