{
  "theory_name": "Gravitonal Theory",
  "pitches": [
    {
      "id": "p0",
      "name": "Ga",
      "frequency_hz": 440.0,
      "cents_from_reference": 0.0,
      "stability": null,
      "tension": null,
      "role": "Ground",
      "description": "基底音。低い安定感を作る土台。"
    },
    {
      "id": "p1",
      "name": "Ve",
      "frequency_hz": 495.0,
      "cents_from_reference": 203.91,
      "stability": null,
      "tension": null,
      "role": "Vector",
      "description": "方向性を持つ副中心音。"
    },
    {
      "id": "p2",
      "name": "Li",
      "frequency_hz": 528.0,
      "cents_from_reference": 315.64,
      "stability": null,
      "tension": null,
      "role": "Link",
      "description": "Ga，Ve，Noを結ぶ媒介音。"
    },
    {
      "id": "p3",
      "name": "No",
      "frequency_hz": 660.0,
      "cents_from_reference": 701.96,
      "stability": null,
      "tension": null,
      "role": "Node",
      "description": "主中心音。帰着点・重力中心として機能する。"
    },
    {
      "id": "p4",
      "name": "Zi",
      "frequency_hz": 742.0,
      "cents_from_reference": 904.7,
      "stability": null,
      "tension": null,
      "role": "Zenith",
      "description": "高位緊張音。Noへの解決を促す。"
    }
  ],
  "chords": [
    {
      "id": "c0",
      "name": "C-GLN",
      "pitch_ids": [
        "p0",
        "p2",
        "p3"
      ],
      "stability": null,
      "tension": null,
      "role": "Core",
      "description": "Ga，Li，Noからなる中心和音。"
    },
    {
      "id": "c1",
      "name": "B-VLN",
      "pitch_ids": [
        "p1",
        "p2",
        "p3"
      ],
      "stability": null,
      "tension": null,
      "role": "Bridge",
      "description": "Ve，Li，Noからなる中心へ向かう遷移和音。"
    },
    {
      "id": "c2",
      "name": "D-VNZ",
      "pitch_ids": [
        "p1",
        "p3",
        "p4"
      ],
      "stability": null,
      "tension": null,
      "role": "Drift",
      "description": "Ve，No，Ziからなる浮遊感と緊張を持つ和音。"
    }
  ],
  "melodic_patterns": [
    {
      "id": "mp0",
      "name": "Ground-to-Node",
      "sequence": [
        "p0",
        "p1",
        "p2",
        "p3"
      ],
      "type": "Approach",
      "description": "GaからVeとLiを経由してNoへ向かう中心形成型の旋律。"
    },
    {
      "id": "mp1",
      "name": "Zenith Resolution",
      "sequence": [
        "p4",
        "p3"
      ],
      "type": "Resolution",
      "description": "ZiからNoへ解決する最小終止型の旋律。"
    },
    {
      "id": "mp2",
      "name": "Node-Zenith Return",
      "sequence": [
        "p2",
        "p3",
        "p4",
        "p3"
      ],
      "type": "Departure and Return",
      "description": "Noを経てZiへ離脱し，再びNoへ戻る旋律。"
    },
    {
      "id": "mp3",
      "name": "Grounded Cadence",
      "sequence": [
        "p1",
        "p2",
        "p0",
        "p3"
      ],
      "type": "Cadence",
      "description": "VeとLiからGaを経由してNoへ帰着する旋律。"
    }
  ],
  "chord_patterns": [
    {
      "id": "cp0",
      "name": "Center Formation",
      "sequence": [
        "c1",
        "c0"
      ],
      "type": "Resolution",
      "description": "B-VLNからC-GLNへ進み，Noを中心とする安定場を形成する。"
    },
    {
      "id": "cp1",
      "name": "Drift Return",
      "sequence": [
        "c0",
        "c2",
        "c0"
      ],
      "type": "Departure and Return",
      "description": "中心和音から浮遊和音へ移動し，再び中心へ戻る。"
    },
    {
      "id": "cp2",
      "name": "Drift Cadence",
      "sequence": [
        "c2",
        "c0"
      ],
      "type": "Cadence",
      "description": "Ziを含む緊張状態から中心和音へ解決する。"
    }
  ]
}