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        <title>Tech Notes Blog</title>
        <link>https://notes.rasshii.dev/blog</link>
        <description>個人的な技術発信ブログのフィード</description>
        <lastBuildDate>Wed, 29 Apr 2026 00:00:00 GMT</lastBuildDate>
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            <title><![CDATA[Welcome to Tech Notes]]></title>
            <link>https://notes.rasshii.dev/blog/welcome</link>
            <guid>https://notes.rasshii.dev/blog/welcome</guid>
            <pubDate>Wed, 29 Apr 2026 00:00:00 GMT</pubDate>
            <description><![CDATA[このブログを始めました。Docusaurus + Vercel で個人的な技術発信を続けていきます。]]></description>
            <content:encoded><![CDATA[<p>このブログを始めました。Docusaurus + Vercel で個人的な技術発信を続けていきます。</p>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="このサイトの方向性">このサイトの方向性<a href="https://notes.rasshii.dev/blog/welcome#%E3%81%93%E3%81%AE%E3%82%B5%E3%82%A4%E3%83%88%E3%81%AE%E6%96%B9%E5%90%91%E6%80%A7" class="hash-link" aria-label="このサイトの方向性 への直接リンク" title="このサイトの方向性 への直接リンク" translate="no">​</a></h2>
<ul>
<li class=""><strong>ブログ (このページ)</strong>: 学んだこと・調査メモを時系列で発信</li>
<li class=""><strong>Docs</strong>: 体系的にまとめたリファレンスやガイドを蓄積</li>
<li class=""><strong>スコープ</strong>: フロントエンド・バックエンド・インフラ・AI・学習ログ等</li>
</ul>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="なぜ-docusaurus-か">なぜ Docusaurus か<a href="https://notes.rasshii.dev/blog/welcome#%E3%81%AA%E3%81%9C-docusaurus-%E3%81%8B" class="hash-link" aria-label="なぜ Docusaurus か への直接リンク" title="なぜ Docusaurus か への直接リンク" translate="no">​</a></h2>
<p>技術ノートを発信するうえで、ブログとドキュメントを 1 つのサイトに併設できるのが Docusaurus の強みです。
Markdown で書けて、検索・タグ・RSS が標準で備わっているのも嬉しいところ。</p>
<div class="language-tsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-tsx codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><div class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic">// Sample code block</span><span class="token plain"></span><br></div><div class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> greeting</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token builtin">string</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'Hello, Tech Notes!'</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></div><div class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token console class-name">console</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">log</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">greeting</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></div></code></pre></div></div>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="数式テスト">数式テスト<a href="https://notes.rasshii.dev/blog/welcome#%E6%95%B0%E5%BC%8F%E3%83%86%E3%82%B9%E3%83%88" class="hash-link" aria-label="数式テスト への直接リンク" title="数式テスト への直接リンク" translate="no">​</a></h2>
<p>インラインで <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>E</mi><mo>=</mo><mi>m</mi><msup><mi>c</mi><mn>2</mn></msup></mrow><annotation encoding="application/x-tex">E = mc^2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em"></span><span class="mord mathnormal" style="margin-right:0.0576em">E</span><span class="mspace" style="margin-right:0.2778em"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em"></span></span><span class="base"><span class="strut" style="height:0.8141em"></span><span class="mord mathnormal">m</span><span class="mord"><span class="mord mathnormal">c</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8141em"><span style="top:-3.063em;margin-right:0.05em"><span class="pstrut" style="height:2.7em"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span></span></span></span>、ブロックで:</p>
<span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><msubsup><mo>∫</mo><mn>0</mn><mi mathvariant="normal">∞</mi></msubsup><msup><mi>e</mi><mrow><mo>−</mo><msup><mi>x</mi><mn>2</mn></msup></mrow></msup><mi>d</mi><mi>x</mi><mo>=</mo><mfrac><msqrt><mi>π</mi></msqrt><mn>2</mn></mfrac></mrow><annotation encoding="application/x-tex">\int_0^\infty e^{-x^2} dx = \frac{\sqrt{\pi}}{2}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:2.3262em;vertical-align:-0.9119em"></span><span class="mop"><span class="mop op-symbol large-op" style="margin-right:0.4445em;position:relative;top:-0.0011em">∫</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.4143em"><span style="top:-1.7881em;margin-left:-0.4445em;margin-right:0.05em"><span class="pstrut" style="height:2.7em"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">0</span></span></span><span style="top:-3.8129em;margin-right:0.05em"><span class="pstrut" style="height:2.7em"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">∞</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.9119em"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.1667em"></span><span class="mord"><span class="mord mathnormal">e</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:1.0369em"><span style="top:-3.113em;margin-right:0.05em"><span class="pstrut" style="height:2.7em"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">−</span><span class="mord mtight"><span class="mord mathnormal mtight">x</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height:0.8913em"><span style="top:-2.931em;margin-right:0.0714em"><span class="pstrut" style="height:2.5em"></span><span class="sizing reset-size3 size1 mtight"><span class="mord mtight">2</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><span class="mord mathnormal">d</span><span class="mord mathnormal">x</span><span class="mspace" style="margin-right:0.2778em"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em"></span></span><span class="base"><span class="strut" style="height:2.1633em;vertical-align:-0.686em"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.4773em"><span style="top:-2.314em"><span class="pstrut" style="height:3em"></span><span class="mord"><span class="mord">2</span></span></span><span style="top:-3.23em"><span class="pstrut" style="height:3em"></span><span class="frac-line" style="border-bottom-width:0.04em"></span></span><span style="top:-3.677em"><span class="pstrut" style="height:3em"></span><span class="mord"><span class="mord sqrt"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8003em"><span class="svg-align" style="top:-3em"><span class="pstrut" style="height:3em"></span><span class="mord" style="padding-left:0.833em"><span class="mord mathnormal" style="margin-right:0.0359em">π</span></span></span><span style="top:-2.7603em"><span class="pstrut" style="height:3em"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em"><svg xmlns="http://www.w3.org/2000/svg" width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702
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M834 80h400000v40h-400000z"></path></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2397em"><span></span></span></span></span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.686em"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span></span></span></span></span>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="図表テスト">図表テスト<a href="https://notes.rasshii.dev/blog/welcome#%E5%9B%B3%E8%A1%A8%E3%83%86%E3%82%B9%E3%83%88" class="hash-link" aria-label="図表テスト への直接リンク" title="図表テスト への直接リンク" translate="no">​</a></h2>
<!-- -->
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="これから書きたいこと">これから書きたいこと<a href="https://notes.rasshii.dev/blog/welcome#%E3%81%93%E3%82%8C%E3%81%8B%E3%82%89%E6%9B%B8%E3%81%8D%E3%81%9F%E3%81%84%E3%81%93%E3%81%A8" class="hash-link" aria-label="これから書きたいこと への直接リンク" title="これから書きたいこと への直接リンク" translate="no">​</a></h2>
<ul>
<li class="">開発環境のセットアップ手順</li>
<li class="">AWS/Terraform の運用 Tips</li>
<li class="">AI/LLM (Claude) を活用した開発フロー</li>
<li class="">読書メモやカンファレンス参加記</li>
</ul>
<p>よろしくお願いします。</p>]]></content:encoded>
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