Astro 7へ更新し、画像をsrc/へ移行・重複を整理

- astro 6→7 / starlight 0.40→0.42 / sharp更新、markdown-remark導入
- markdownをunified()へ移行、compressHTML:trueで従来の空白を維持
- starlight日本語訳パッチを0.42.5向けに再生成
- 有益な画像をsrc/へ移行しpublic重複を削除、孤立画像を整理
- scripts/optimize-images.mjs を追加（prebuildで自動実行）

19 files changed, 1 insertions, 1 deletions

diff --git a/src/content/docs/ippan-situmon/r3d/12gatu/3-kokyo-toire-kyouryokuten.mdx b/src/content/docs/ippan-situmon/r3d/12gatu/3-kokyo-toire-kyouryokuten.mdx
index aa51803..0fdfe62 100644
--- a/src/content/docs/ippan-situmon/r3d/12gatu/3-kokyo-toire-kyouryokuten.mdx
+++ b/src/content/docs/ippan-situmon/r3d/12gatu/3-kokyo-toire-kyouryokuten.mdx
@@ -163,7 +163,7 @@ import QuestionSummary from '@/components/QuestionSummary.astro';
 
 次のような具合です。トイレの表記は非常に小さく、この地図を見てトイレを探せと言われても難しいかと…。
 
-![小平グリーンロード＆オープンガーデンマップの小さなトイレ表記](/ippan-situmon/r3d/12gatu/images/open-garden-map-toilet.jpg)
+![小平グリーンロード＆オープンガーデンマップの小さなトイレ表記](./images/open-garden-map-toilet.jpg)
 
 :::
 
diff --git a/src/content/docs/ippan-situmon/r3d/12gatu/images/kodaira-koredakeha.png b/src/content/docs/ippan-situmon/r3d/12gatu/images/kodaira-koredakeha.png
deleted file mode 100644
index 52728db..0000000
--- a/src/content/docs/ippan-situmon/r3d/12gatu/images/kodaira-koredakeha.png
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--- a/src/content/docs/ippan-situmon/r3d/12gatu/images/og-1.png
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deleted file mode 100644
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--- a/src/content/docs/ippan-situmon/r3d/12gatu/images/og-2.png
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diff --git a/src/content/docs/ippan-situmon/r3d/12gatu/images/tamagawa-josui-toilet-park.jpg b/src/content/docs/ippan-situmon/r3d/12gatu/images/tamagawa-josui-toilet-park.jpg
deleted file mode 100644
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--- a/src/content/docs/ippan-situmon/r3d/12gatu/images/tamagawa-josui-toilet-park.jpg
+++ /dev/null
diff --git a/src/content/docs/ippan-situmon/r3d/12gatu/images/tamagawa-josui-toilet.jpg b/src/content/docs/ippan-situmon/r3d/12gatu/images/tamagawa-josui-toilet.jpg
deleted file mode 100644
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--- a/src/content/docs/ippan-situmon/r3d/12gatu/images/tamagawa-josui-toilet.jpg
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deleted file mode 100644
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--- a/src/content/docs/ippan-situmon/r3d/3gatu/images/og-3.png
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--- a/src/content/docs/ippan-situmon/r3d/9gatu/images/og-3.png
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