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  <!-- ===== トップページ・主要ページ ===== -->
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    <loc>https://ddkcad.com/</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>weekly</changefreq>
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  <url>
    <loc>https://ddkcad.com/tools.html</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>weekly</changefreq>
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  <url>
    <loc>https://ddkcad.com/blog.html</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>weekly</changefreq>
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  <url>
    <loc>https://ddkcad.com/privacy-policy.html</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
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  <!-- ===== ブログ記事 ===== -->
  <url>
    <loc>https://ddkcad.com/blog-electrical-quote-7points.html</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <url>
    <loc>https://ddkcad.com/blog-cable-capacity.html</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <url>
    <loc>https://ddkcad.com/blog-electrician-license.html</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <url>
    <loc>https://ddkcad.com/blog-naisen-vs-denki.html</loc>
    <lastmod>2026-04-27</lastmod>
    <changefreq>monthly</changefreq>
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    <lastmod>2026-04-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <!-- ===== 計算ツール ===== -->
  <url>
    <loc>https://ddkcad.com/DDK電線ブレーカー選定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
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    <loc>https://ddkcad.com/DDK電圧降下計算ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
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    <loc>https://ddkcad.com/DDK照度計算ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
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  <url>
    <loc>https://ddkcad.com/DDK電線管S字曲げ計算ツール.html</loc>
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  <url>
    <loc>https://ddkcad.com/DDK分電盤回路計算ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
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  <url>
    <loc>https://ddkcad.com/DDK動力モーター容量計算ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
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  <!-- ===== 選定ツール ===== -->
  <url>
    <loc>https://ddkcad.com/DDK配管ラック選定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <url>
    <loc>https://ddkcad.com/DDK幹線ケーブルラック選定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK変圧器容量選定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
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  <url>
    <loc>https://ddkcad.com/DDK漏電遮断器選定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
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  <url>
    <loc>https://ddkcad.com/DDK過電流保護協調判定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <!-- ===== 早見表・判定ツール ===== -->
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    <loc>https://ddkcad.com/DDK許容電流早見表.html</loc>
    <lastmod>2026-04-22</lastmod>
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    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
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  <url>
    <loc>https://ddkcad.com/DDKトルクレンチ締付値早見表.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK配管外径サイズ一覧表.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK接地工事早見表.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK接地抵抗判定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK絶縁抵抗判定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK絶縁耐力試験電圧早見表.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK配線配管離隔埋設深さ判定ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <!-- ===== 安全・書類 ===== -->
  <url>
    <loc>https://ddkcad.com/DDK_KY活動チェックリスト.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
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    <loc>https://ddkcad.com/DDK_工事写真撮影ポイント一覧表.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
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  <!-- ===== 学習・試験対策 ===== -->
  <url>
    <loc>https://ddkcad.com/DDK電気工事士技能試験練習ツール.html</loc>
    <lastmod>2026-04-22</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://ddkcad.com/DDK電気数式公式集.html</loc>
    <lastmod>2026-04-22</lastmod>
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