{ "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": "37", "prefecture_name": "香川県", "prefecture_name_en": "Kagawa", "party_id": "SAN", "party_label": "参政", "party_label_en": "Sanseito", "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": { "point_grain": 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"37", "prefecture_name": "香川県", "prefecture_name_en": "Kagawa", "jis_code": "373877", "municipality_name": "綾川町", "municipality_name_en": "Ayagawa-cho", "baseline_votes": 1125.0, "target_votes": 749.0, "votes_delta": -376.0, "votes_change_rate_pct": -33.422222, "baseline_vote_share_pct_muni": 9.741103, "target_vote_share_pct_muni": 6.373926, "vote_share_delta_pct_pt": -3.367177 }, { "prefecture_code": "37", "prefecture_name": "香川県", "prefecture_name_en": "Kagawa", "jis_code": "372030", "municipality_name": "坂出市", "municipality_name_en": "Sakaide-shi", "baseline_votes": 2201.71, "target_votes": 1376.0, "votes_delta": -825.71, "votes_change_rate_pct": -37.503123, "baseline_vote_share_pct_muni": 9.924318, "target_vote_share_pct_muni": 5.963939, "vote_share_delta_pct_pt": -3.960379 }, { "prefecture_code": "37", "prefecture_name": "香川県", "prefecture_name_en": "Kagawa", "jis_code": "372064", "municipality_name": "さぬき市", "municipality_name_en": "Sanuki-shi", "baseline_votes": 1822.302, 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