{ "schema_version": "jp-election-municipality-proportional-swing-graph.v1", "dataset_id": "jp-election-db.derived-shape.graph", "family": "graph", "dataset": "municipality-proportional-swing-2025-2026", "source_release_version": "2026-05-03-v050", "selector": { "prefecture_code": "22", "prefecture_name": "静岡県", "prefecture_name_en": "Shizuoka", "party_id": "ISH", "party_label": "維新", "party_label_en": "Japan Innovation Party (Ishin)", "scope": "prefecture", "ranking_id": "", "ranking_label": "", "ranking_label_en": "" }, "comparison": { "comparison_key": "20250720_hc_pr__20260208_hr_block", "baseline_election_set_key": "20250720_hc", "baseline_election_date": "2025-07-20", "baseline_vote_system": "pr", "target_election_set_key": "20260208_hr", "target_election_date": "2026-02-08", "target_vote_system": "block" }, "metric": { "primary_metric_id": "votes_change_rate_pct", "primary_metric_label": "票数増減率", "secondary_metric_id": "votes_delta", "secondary_metric_label": "票数差" }, "summary": 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"22", "prefecture_name": "静岡県", "prefecture_name_en": "Shizuoka", "jis_code": "221023", "municipality_name": "静岡市駿河区", "municipality_name_en": "Suruga-ku", "baseline_votes": 4412.0, "target_votes": 5440.0, "votes_delta": 1028.0, "votes_change_rate_pct": 23.300091, "baseline_vote_share_pct_muni": 4.65789, "target_vote_share_pct_muni": 5.710387, "vote_share_delta_pct_pt": 1.052497 }, { "prefecture_code": "22", "prefecture_name": "静岡県", "prefecture_name_en": "Shizuoka", "jis_code": "223050", "municipality_name": "松崎町", "municipality_name_en": "Matsuzaki-cho", "baseline_votes": 83.0, "target_votes": 100.0, "votes_delta": 17.0, "votes_change_rate_pct": 20.481928, "baseline_vote_share_pct_muni": 2.589704, "target_vote_share_pct_muni": 3.07787, "vote_share_delta_pct_pt": 0.488166 }, { "prefecture_code": "22", "prefecture_name": "静岡県", "prefecture_name_en": "Shizuoka", "jis_code": "222127", "municipality_name": "焼津市", "municipality_name_en": "Yaizu-shi", "baseline_votes": 2686.0, 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