Case Studies

Yokoen — A Site Structure That Conveys the Whole Business and Where to Inquire

The site of a subtropical plant grower and seller in Miyazaki. We organized the paths for professionals and individuals, the delivery record, and the presentation of grown plants, so that even first-time visitors understand what the business handles and where to ask.

Live site: https://yokoen.pages.dev/en/ (currently a development version)

Douzu Carry Service — Organizing the Primary Navigation and Published Information

On the Douzu Carry Service site, we organized the primary navigation and the presentation of published information into a structure that is easy to review and update after launch.

Live site: https://douzucarry.com/

Redesigning Our Own Site — A Structure That Conveys the Two Pillars of Windows Development and Website Creation

Without breaking the flow that worked as a Windows contract-development site, we redesigned this site itself so its website development and SEO services also come across naturally.

Isolating a Failure Where Industrial Camera Communication Stops for Several Seconds

For a communication anomaly that stopped for just a few seconds, we separated TCP retransmission wait times from OS-side communication conditions and mapped out where a change would actually improve things.

Technical background: When Industrial Camera TCP Traffic Stops for Several Seconds

Tracking a Crash That Only Happens After a Month of Operation Down to a Handle Leak

For a failure that only occurred after a month of continuous operation, we strengthened the observation logs and compressed the repro conditions, narrowing the work down to a handle-leak investigation.

Technical background: When an Industrial Camera Control App Suddenly Crashes After a Month (Part 1)

Building Failure-Path Test Infrastructure with Application Verifier

Instead of ending with a one-off fix, we built the failure-path test foundation first, leaving the system in a state where the next problem is also easy to chase.

Technical background: What Application Verifier Is and How to Build Failure-Path Test Infrastructure