サッカー日本代表はなぜ青い？ ブルーにまつわる世界の歴史と秘密

Why is the Japanese national soccer team's uniform blue? With the 2026 FIFA World Cup in full swing, this question is once again on everyone's mind. Many other Japanese national teams in sports like baseball, volleyball, and rugby use the red and white of their national flag as their motif. This time, we'll explore the history of the color blue, using "SAMURAI BLUE" as a starting point. The reason behind SAMURAI BLUE Why blue is loved in Japan Blue as a noble color in medieval Europe And indigo blue, the symbol of denim Bobson has been a jeans manufacturer for many years, and blue is a very familiar and cherished color for us. Soccer, history, fashion. Even seemingly separate worlds are connected through the color "blue." Now, more than ever, as we enjoy the World Cup, it's important to know the history and secrets of blue. We'll discuss this from the perspective of a jeans manufacturer. • Reference books: The Story of Colors: Blue, The Blue Encyclopedia • Image usage: International Research Center for Japanese Studies