Optional reading preference / 任意の読書記録
If you enable the footer reading preference, this browser stores up to 10 distinct article keys and an expiry date for 90 days. Viewing an article for 20 active seconds and reaching its end is our approximation of reading, not proof of comprehension. Translations of the same article count once. This local record is not sent with analytics events. Turning the preference off deletes it. Without consent or available storage, the homepage learning guide remains hidden.
フッターで同意した場合だけ、最大10記事の識別キーと有効期限をこのブラウザーに保存します。20秒以上のアクティブな閲覧と本文末への到達を読了の目安にし、同じ記事の翻訳版は重複計上しません。理解や熟読を判定するものではありません。最長90日で失効し、オフにすると削除できます。この記録をサーバーへ送信することはありません。
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