Merge pull request #426 from goldrush/develop

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Merge pull request #428 from goldrush/develop

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Merge pull request #430 from goldrush/develop

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Merge pull request #433 from goldrush/develop

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Merge pull request #435 from goldrush/develop

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Merge pull request #437 from goldrush/develop

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Merge pull request #439 from goldrush/develop

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Merge pull request #444 from goldrush/develop

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Merge pull request #447 from goldrush/develop

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テスト作成
Merge branch 'develop' of https://github.com/applicative-takizawa/goldrush into develop
Merge pull request #458 from applicative-takizawa/develop

Develop