オープンソースライセンス

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「海辺の釣り」と「宇宙の景観」は、3D表示に Three.js というオープンソースソフトウェアを利用しています。それぞれのライセンスの条件に従い、著作権表示とライセンス全文を、原文（英語）のまま掲載しています。

• Three.js 0.186.1（海辺の釣り）
• Three.js 0.180.0（宇宙の景観）
• Vite の補助コード（海辺の釣り・宇宙の景観）
• フォント（脳トレ「バラバラ漢字」）

Three.js 0.186.1（海辺の釣り）

ライセンス全文（原文）:

The MIT License

Copyright © 2010-2026 three.js authors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

Three.js 0.180.0（宇宙の景観）

ライセンス全文（原文）:

The MIT License

Copyright © 2010-2025 three.js authors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

Vite の補助コード（海辺の釣り・宇宙の景観）

ゲームのファイルを作るツール Vite が、出力に小さな補助コード（モジュールの先読みなど）を埋め込みます。そのためライセンスを掲載しています。

ライセンス全文（原文）:

# Vite core license
Vite is released under the MIT license:

MIT License

Copyright (c) 2019-present, VoidZero Inc. and Vite contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

フォント（脳トレ「バラバラ漢字」）

脳トレの「バラバラ漢字」では、Noto Sans CJK 由来のフォントファイルを配信しています。このフォントは SIL Open Font License 1.1 の下で利用しています。ライセンス全文（原文）は /assets/fonts/OFL-NotoSansCJK.txt で公開しています。

その他

上記のほか、ゲームの動作確認やファイル作成に使う開発用のツールは、公開されるファイルには含まれていません。ライセンス表示について気づいた点があれば、お問い合わせからご連絡ください。