[
  {
    "id": 8,
    "type": "fade",
    "duration": 183.33,
    "initial_opacity": 0.0,
    "final_opacity": 1.0,
    "delay": 183.33,
    "comment": "confirmation box fade in"
  },
  {
    "id": 9,
    "type": "move",
    "duration": 83.33,
    "start_position": 960,
    "total_distance": -630,
    "delay": 83.33,
    "comment": "yellow box left out -> arcade board left edge 330"
  },
  {
    "id": 10,
    "type": "move",
    "duration": 83.33,
    "start_position": 960,
    "total_distance": 834,
    "delay": 83.33,
    "comment": "yellow box right out -> 1794 (= 1874 - 80 edge)"
  },
  {
    "id": 11,
    "type": "move",
    "duration": 83.33,
    "start_position": 0,
    "total_distance": 1384,
    "delay": 83.33,
    "comment": "yellow box center out -> 1544 - 2*80"
  },
  {
    "id": 12,
    "type": "fade",
    "duration": 83.33,
    "initial_opacity": 0.0,
    "final_opacity": 1.0,
    "delay": 83.33,
    "comment": "yellow box fade in"
  },
  {
    "id": 13,
    "type": "move",
    "duration": 116.67,
    "start_position": 960,
    "total_distance": -630,
    "comment": "yellow box left out 2 -> 330"
  },
  {
    "id": 14,
    "type": "move",
    "duration": 116.67,
    "start_position": 960,
    "total_distance": 834,
    "comment": "yellow box right out 2 -> 1794"
  },
  {
    "id": 15,
    "type": "move",
    "duration": 116.67,
    "start_position": 0,
    "total_distance": 1384,
    "comment": "yellow box center out 2 -> 1384"
  },
  {
    "id": 16,
    "type": "move",
    "duration": 133.33,
    "start_position": 540,
    "total_distance": -358,
    "delay": {
      "reference_id": 13,
      "property": "duration"
    },
    "comment": "yellow box top out -> arcade board top 182"
  },
  {
    "id": 17,
    "type": "move",
    "duration": 133.33,
    "start_position": 0,
    "total_distance": 712,
    "delay": {
      "reference_id": 13,
      "property": "duration"
    },
    "comment": "yellow box center h out -> 872 - 2*80"
  },
  {
    "id": 18,
    "type": "fade",
    "duration": 116.67,
    "initial_opacity": 0.0,
    "final_opacity": 1.0,
    "delay": {
      "init_val": {
        "init_val": 16.67,
        "reference_id": 16,
        "property": "duration"
      },
      "reference_id": 13,
      "property": "duration"
    },
    "comment": "yellow box fade in 2"
  },
  {
    "id": 28,
    "type": "move",
    "duration": 333.33,
    "total_distance": 548,
    "comment": "ROUND 17: copied verbatim from song_select/animation.json so the 演奏オプション panel the 段位道場 confirmation dialog's option chip opens runs identically on DAN_SELECT. ModifierSelector's constructor reads 28/29/30/31/32 (+39 optional) and get_animation THROWS on a missing id; a child animation.json replaces the parent's rather than merging, so DAN_SELECT had none of them. option/neiro panel slide IN. Arcade song_select_main_diff_option MC65 'board_left' label 'in' = 20 frames @60fps (333.33 ms), PIECEWISE LINEAR through an OVERSHOOT: y 650 -> -75 over frames 0..14, then -75 -> 0 over frames 14..19. Engine space: json y 1080, resting top 532 => total_distance 548, waypoint 548+75 = 623 at 14/19 = 0.7368. (MC64 'board_right' reaches -75 one frame later, at 15/19; not portable, the two boards share one animation id here.)",
    "waypoint": 623,
    "waypoint_at": 0.7368
  },
  {
    "id": 29,
    "type": "fade",
    "duration": 1000,
    "loop": true,
    "comment": "ROUND 17: copied verbatim from song_select/animation.json so the 演奏オプション panel the 段位道場 confirmation dialog's option chip opens runs identically on DAN_SELECT. ModifierSelector's constructor reads 28/29/30/31/32 (+39 optional) and get_animation THROWS on a missing id; a child animation.json replaces the parent's rather than merging, so DAN_SELECT had none of them. neiro blue arrow fade out"
  },
  {
    "id": 30,
    "type": "move",
    "duration": 1000,
    "total_distance": 5,
    "loop": true,
    "comment": "ROUND 17: copied verbatim from song_select/animation.json so the 演奏オプション panel the 段位道場 confirmation dialog's option chip opens runs identically on DAN_SELECT. ModifierSelector's constructor reads 28/29/30/31/32 (+39 optional) and get_animation THROWS on a missing id; a child animation.json replaces the parent's rather than merging, so DAN_SELECT had none of them. option/neiro arrow bounce (arcade arrow select: 5 px)"
  },
  {
    "id": 31,
    "type": "move",
    "duration": 250,
    "total_distance": 70,
    "ease_out": "quadratic",
    "comment": "ROUND 17: copied verbatim from song_select/animation.json so the 演奏オプション panel the 段位道場 confirmation dialog's option chip opens runs identically on DAN_SELECT. ModifierSelector's constructor reads 28/29/30/31/32 (+39 optional) and get_animation THROWS on a missing id; a child animation.json replaces the parent's rather than merging, so DAN_SELECT had none of them. option value text slide (= skin_config option_text_in.x)"
  },
  {
    "id": 32,
    "type": "fade",
    "duration": 250,
    "ease_out": "quadratic",
    "comment": "ROUND 17: copied verbatim from song_select/animation.json so the 演奏オプション panel the 段位道場 confirmation dialog's option chip opens runs identically on DAN_SELECT. ModifierSelector's constructor reads 28/29/30/31/32 (+39 optional) and get_animation THROWS on a missing id; a child animation.json replaces the parent's rather than merging, so DAN_SELECT had none of them. neiro fade sideways"
  },
  {
    "id": 39,
    "type": "move",
    "duration": 333.33,
    "total_distance": 548,
    "waypoint": -75,
    "waypoint_at": 0.2105,
    "comment": "ROUND 17: copied verbatim from song_select/animation.json so the 演奏オプション panel the 段位道場 confirmation dialog's option chip opens runs identically on DAN_SELECT. ModifierSelector's constructor reads 28/29/30/31/32 (+39 optional) and get_animation THROWS on a missing id; a child animation.json replaces the parent's rather than merging, so DAN_SELECT had none of them. option/neiro panel slide OUT (ModifierSelector/NeiroSelector pick this up on confirm when it exists; without it they replay id 28). Arcade MC65 label 'out' = frames 25..44: y 0 -> -75 over 4 frames, then -75 -> 650 over 15. Engine space the drawn y is `attribute + song_select_offset.x` (= -548 in this skin), so attribute runs 0 -> -75 at 4/19 = 0.2105 -> 548."
  }
]