Thanks for bearing with me through the downtime and/or late updates. The core issue behind both has (hopefully) been resolved, so things should be stable now.
Card Rarity X X X X
  SSR SR R N
High stat X X X X
  Vocal Visual Dance Balanced
Idol Attribute X X X
  Cute Cool Passion
Skill Type X X X X X X X X X X X X X X
  Perf. Lock* C. Guard Combo Bonus Score Bonus Healer H. Guard Overload All-Round Concen. Skill Boost Focus/Coord. L. Sparkle Encore T. Synergy
Awakened?   X
  Yes No

(Short link)

Click on an underlined table header to sort the table by that value. Do note that you should apply filters before using the skill-based sorts, as you can't really compare skill effects.
Card VoViDa Skill Effect (sort: time window, % chance, duration, effect val.)
Katagiri Sanae
永遠の相棒
5978 3165 3851
ギャップでイチコロ☆ Every 6 seconds: there is a 35..52.5% chance that with only Passion idols on the team, Perfect notes will receive a 16% score bonus, and you will gain an extra 14% combo bonus for 3..4.5 seconds.
Nitta Minami
渚の花嫁
3199 3872 5936
満ちるときも引くときも Every 9 seconds: there is a 40..60% chance that with only Cool idols on the team, Perfect notes will receive a 16% score bonus, and you will gain an extra 14% combo bonus for 4..6 seconds.
Morikubo Nono
エスケープブライド
2606 4920 3170
やっぱむーりぃー Every 5 seconds: there is a 40..60% chance that you will gain an extra 10% combo bonus, and Perfect notes will restore 1 health for 2..3 seconds.
Kusakabe Wakaba
ローゼスゴシック
2656 3202 4857
精一杯の背伸び Every 6 seconds: there is a 35..52.5% chance that Perfect notes will receive a 15% score bonus for 3..4.5 seconds.