https://seimei.do/en/blog/ Seimeido's technical blog and project updates, including development notes, verification records, and implementation progress. en Sat, 28 Feb 2026 00:00:00 GMT https://www.rssboard.org/rss-specification Astro https://seimei.do/en/blog/2026-02-28-hello-world/ https://seimei.do/en/blog/2026-02-28-hello-world/ Sat, 28 Feb 2026 00:00:00 GMT We've rebuilt our website from scratch using Astro. Here's what's new, including the interactive simulation work now featured on the homepage. announcement technology