This site is my personal corner for jotting down tech and life. It has been growing since April 2025.

FAQ

1. Why did you build this site?

Originally I built it to have a place to show my stack and skills while looking for an internship. It didn't really help with the internship hunt — but my current coworkers do drop by occasionally now.

2. What's the tech stack?

The frontend uses React 19 with Vite for the build, and Tailwind CSS for styling. Visuals and 3D interactions are powered by Three.js and @react-three/fiber. The backend is Node.js with Express.js acting as an API gateway, pulling data from Steam, Spotify, WakaTime, GitHub and friends; data lives in SQLite. The whole stack is containerised with Docker.

3. About the photo wall and AI usage?

The photo gallery uses a Masonry layout, with EXIF extracted via automation scripts. I later added an AI CLIP Tagger for tag suggestions, and on upload each image gets a thumbhash as a blur placeholder. I lean on AI tools for these tedious automation flows. More details in this post:

/blog/21

4. Any easter eggs hidden here?

Nope. No easter eggs implemented — what you see is what you get.

5. Who is this site for?

It started as my personal job-hunt site, with no real promotion on social. Honestly though, after pouring this many late nights into it, I do hope the visuals and architecture get to be seen by someone.

So if you happened to wander in and the design or stack feels right, link exchanges are very welcome. Feel free to leave a footprint on themessagespage too.

About the name

Q: Where does the site title 「宙と木」 come from?

Nothing dramatic. One day I asked Gemini for Japanese site-name candidates, saw 「宙と木」 and thought it looked cool. 「宙」(cosmos) matched the space visuals nicely, and 「木」 echoes my online handle 「木村盆栽」, so I went with it.

Q: Why "Koimsurai" — how is it pronounced?

It's a compound word. My online handle is 「木村盆栽」 (Kimura Bonsai), and Koimsurai is a custom ID stitched together from the romaji of those two words.

Q: Why "Kimura Bonsai" originally?

Just because I was a big Kimura Takuya fan and casually borrowed the surname, then tacked on "bonsai" because it sounded nice.