English

For Anyone Who Couldn’t Feel “Totonou” at the Sauna | 5 Tips I Found Through Real Practice

Tried a sauna but never felt that famous "totonou" bliss? Here are 5 practical tips — timing, posture, and flow — that helped me hit it almost every time.
English

Visiting the Real Battlefield Made Nobunaga’s Ambition 10x More Fun|A Trip to Sekigahara & Ogaki Castle

A few hours walking the Sekigahara battlefield and standing in Ogaki Castle changed how I see Nobunaga's Ambition forever. A blogger's take on history, travel, and the business lessons hiding inside a Sengoku strategy game.
English

What Is Claude? A Beginner’s Guide to How It Differs from ChatGPT and How to Use It

A beginner-friendly guide to Claude, the conversational AI built by Anthropic. Learn how it differs from ChatGPT across five angles, what you can do with it, and how to get started for free.
English

The Knowledge Behind My Sauna Article? It Actually Came From One Book

I use AI constantly, but the real depth in my sauna article came from a single book. Here's how I split things between AI and reading—and where Audible fits in.
English

Welcome to Pon’s Hobby Room

Hi, I'm Pon! This is the very first post on my new blog, Pon's Hobby Room. Here's a quick introduction about who I am and what I'll be writing about.
English

5 Easy High-Protein Meals Even Beginners Can Make | A 30-Something Office Worker’s Real Home Cooking

A 30-something gym-going office worker shares 5 high-protein "muscle-building" meals he actually makes — each under 20 minutes and under 300 yen, built on chicken breast, canned mackerel, and tofu, plus tips for keeping it up.
料理

筋トレ初心者でも簡単に作れる筋トレ飯5選|30代会社員のリアル自炊

ジム通いの30代会社員が、平日20分以内・1食300円以下で続けている高タンパクな筋トレ飯を5つ紹介。鶏胸肉・サバ缶・豆腐を使った簡単レシピと、続けるコツをまとめました。
AI

Claudeとは?ChatGPTとの違いと使い方を初心者向けに解説

Claude(クロード)とは何か、ChatGPTとの違い、無料で始める方法を初心者向けに解説。AIをこれから本気で使い倒したい人のための入門ガイドです。
ゲーム

歴史の現地に行ったら『信長の野望』が10倍面白くなった|関ヶ原・大垣城紀行

30代でハマる『信長の野望』の魅力を、関ヶ原・大垣城の現地体験から綴った実体験ブログ。西軍の本拠地・大垣城から関ヶ原へと続く三成の足跡をたどった旅と、大人だからこそ味わえる戦国シミュレーションの奥深さを紹介。
読書

サウナ記事の知識、実は1冊の本から得ていた

サウナ記事の知識は、実は1冊の本から得ていました。『医者が教えるサウナの教科書』を読んで気づいた、AIで得る情報と読書で得る情報の決定的な違い、そして忙しい30代男性にAudibleがおすすめな理由を実体験で書きます。