Auto hide next up card for Amazon Prime Video by ryo-fujinone

Please check "Optional permissions for added functionality" first after installing this add-on.
1. Open about:addons
2. Click on this add-on.
3. Click on the "Permissions" tab
4. Enable the access permissions listed in "Optional permissions for added functionality".

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The following functions are implemented
- Hide next up card by auto click of hide button and setting display:none
　- Disable overlay display for 5 seconds when auto-clicking the hide button
　- You can also make the next up card appear only when the overlay display is enabled.
　　- By default this feature is disabled and the next up card will be completely invisible
　　- This feature only works if there is no hide button on the next up card
- Hide skip intro button
　- You can also make the intro skip button appear only when the overlay display is enabled.
　　- By default this feature is disabled and the intro skip button will be completely invisible
- Hide rating (recommended age range) and surrounding overlay elements

An options icon will be added in the upper right corner of the video that allows you to open the options dialog.
The options dialog can also be opened by pressing Alt + P.
Shortcut keys can be changed on the options dialog.
Ctrl/Alt/Shift and alphabetic characters can be used as shortcut keys, Ctrl/Alt and alphabetic characters are required.

After changing settings on the options dialog, please reload the page to reflect the settings.

This extension runs on amazon pages in each country, but has only been tested on Prime Video in Japan.