Emulating :has() #8: `:checked-within`

Select One Radio 1 Radio 2 Radio 3 Radio 4 Radio 5

Select One Again Radio 1 Radio 2 Radio 3 Radio 4 Radio 5

Check any of these Checkbox 1 Checkbox 2 Checkbox 3 Checkbox 4 Checkbox 5

Select once Radio 1 Radio 2 Radio 3 Radio 4 Radio 5

Emulating :has() #8: :checked-within