<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>https://blog.o3osatoshi.engr.work/hobby/markdown-cheat-sheet</loc>
<lastmod>2020-06-20T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/hobby/mathjax-cheat-sheet</loc>
<lastmod>2020-06-27T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/zakkuri-wakaru-finance</loc>
<lastmod>2020-07-03T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/manga-de-yasashiku-wakaru-accounting-department</loc>
<lastmod>2020-07-17T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/biz/ippunn-de-hanase</loc>
<lastmod>2020-07-25T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/saikyou-no-souki-ritaia-zyutu</loc>
<lastmod>2020-07-26T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/saodakeya-ha-naze-tsuburenai-noka</loc>
<lastmod>2020-08-08T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/enjinia-ga-manabu-kaikei-shisutemu-no-chishiki-to-gijutsu</loc>
<lastmod>2020-08-09T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/fp-no-kyokasho-3kyu</loc>
<lastmod>2020-08-22T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/inamori-kazuo-no-jitsugaku</loc>
<lastmod>2020-09-21T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/biz/posuto-heisei-no-kyaria-senryaku</loc>
<lastmod>2020-10-09T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/biz/sugoi-jikoshokai</loc>
<lastmod>2020-10-10T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/bijinesu-kaikei-kentei-shiken-koshiki-tekisuto-sankyu</loc>
<lastmod>2021-01-03T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/life/yume-wo-kanaeruzo-1</loc>
<lastmod>2021-06-15T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/crypto/mati-greenspan-interview</loc>
<lastmod>2021-10-28T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/keihi-de-otiru-ryousyuusyo-reshito-ga-zenbuwakaru-hon</loc>
<lastmod>2022-02-19T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/finance/happy-money_the-science-of-happier-spending</loc>
<lastmod>2022-04-02T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/craft/the-art-of-readable-code</loc>
<lastmod>2024-04-06T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/biz/small-business-no-kyokasho</loc>
<lastmod>2024-04-08T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/lang/Introduction-to-TypeScript-for-future-professionals</loc>
<lastmod>2024-04-13T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/dsgn/sekkei-kara-manabu-firebase-zissenn-gaido</loc>
<lastmod>2024-04-22T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/arch/clean-architecture</loc>
<lastmod>2024-04-29T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/big-data-bunnseki-no-system-to-kaihatu-ga-shikkari-wakaru-kyoukasyo</loc>
<lastmod>2024-05-17T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/front/react-zissenn-no-kyoukasho</loc>
<lastmod>2024-05-26T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/dsgn/object-oriented-user-interface-design</loc>
<lastmod>2024-06-08T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/ai/prompt-engineering-no-kyokasho</loc>
<lastmod>2024-07-11T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/life/montessori-method-0-3</loc>
<lastmod>2025-03-28T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/front/jissen-nextjs</loc>
<lastmod>2025-04-04T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/life/montessori-and-harvard</loc>
<lastmod>2025-04-26T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/life/evidence-childcare</loc>
<lastmod>2025-05-18T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/life/golden-brains</loc>
<lastmod>2025-05-25T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/biz/sales</loc>
<lastmod>2025-06-08T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/life/grit</loc>
<lastmod>2025-06-25T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/craft/the-pragmatic-programmer</loc>
<lastmod>2025-07-16T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/ai/7-tips-triple-claude-code-productivity</loc>
<lastmod>2025-08-10T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/arch/firebase-monorepo-with-turborepo</loc>
<lastmod>2025-08-12T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/conf/monorepo-config</loc>
<lastmod>2025-09-21T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/life/super-focus</loc>
<lastmod>2025-09-27T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/lang/deep-typescript</loc>
<lastmod>2025-10-03T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/tech/conf/google-cloud-workload-identity</loc>
<lastmod>2025-11-03T15:00:00+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/404</loc>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/archives/</loc>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/</loc>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/page2/</loc>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/page3/</loc>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/page4/</loc>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2020-07-04-zakkuri-wakaru-finance/birds%E2%80%90eye-view.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2020-08-10-enjinia-ga-manabu-kaikei-shisutemu-no-chishiki-to-gijutsu/accounting-system_birds%E2%80%90eye-view.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2020-08-23-fp-no-kyokasho-3kyu/book-cover.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2020-08-23-fp-no-kyokasho-3kyu/income-tax.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2020-08-23-fp-no-kyokasho-3kyu/social-insurance.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2021-01-04-bijinesu-kaikei-kentei-shiken-koshiki-tekisuto-sankyu/B-S.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2021-01-04-bijinesu-kaikei-kentei-shiken-koshiki-tekisuto-sankyu/P-L.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2021-01-04-bijinesu-kaikei-kentei-shiken-koshiki-tekisuto-sankyu/per-share-analysis.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2021-01-04-bijinesu-kaikei-kentei-shiken-koshiki-tekisuto-sankyu/profitability-analysis.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
<url>
<loc>https://blog.o3osatoshi.engr.work/assets/2021-01-04-bijinesu-kaikei-kentei-shiken-koshiki-tekisuto-sankyu/safety-analysis.pdf</loc>
<lastmod>2026-02-02T14:09:54+00:00</lastmod>
</url>
</urlset>
