Kanto-ma size standard and Kansai-ma size standard So you take how small or large it is from there. So if you look at it from the Kansai region, it's small, and if you look at it from the Kanto region, it's a little bit bigger. 1"6 large 1"7 large 1" 8 large here The dimensions are changing this much at the columns So that means the house is warped. The room 1 minute small Maru 1 minute large 1 inch 7 minutes Only slightly higher. This corner is the weak point, so we're going to use the helicopter to protect it. And here and here, this one (helicopter) is a little bit higher than this one I don't know, I really don't know. But whether you're doing that or not, it changes the holding of the tatami itself tremendously. It has a tag that proves it's made in Japan Can you please shuffle this out on top If you scan this QR code, it will take you to the website If you type in the producer number, you can see how the tatami mats are made. The tatami mats are made to match this distortion and eliminate this gap perfectly So the tatami is completely custom-made A beautiful tatami mat means good fortune, so may good fortune come to this room! I took pictures of all the tatami mats and how they were made. The dimensions of the room are like this This is what the new tatami mats look like