{
 "generated_at": "2026-10-14T22:54:24+09:00",
 "data_through": "2026-04-17",
 "source": [
  {
   "name": "3D都市モデル（Project PLATEAU）東京都23区（2025年度）",
   "publisher": "国土交通省",
   "url": "https://www.geospatial.jp/ckan/dataset/plateau-13101-chiyoda-ku-2025",
   "license": "公共データ利用規約 第1.0版（PDL1.0、CC BY 4.0 互換）。tokeilab が加工"
  },
  {
   "name": "国勢調査 小地域境界データ（令和2年）",
   "publisher": "総務省統計局（e-Stat）",
   "url": "https://www.e-stat.go.jp/",
   "license": "政府統計の総合窓口（e-Stat）利用規約（CC BY 4.0 互換）。tokeilab が加工"
  },
  {
   "name": "郵便番号データ（町域の読み）",
   "publisher": "日本郵便株式会社",
   "url": "https://www.post.japanpost.jp/service/search/zipcode/download/kogaki-zip.html",
   "license": "著作権の主張なし・自由に配布可。tokeilab が加工"
  }
 ],
 "license": "CC-BY-4.0",
 "license_notice": "CC BY 4.0, tokeilab。国土交通省 PLATEAU（PDL1.0）、e-Stat、日本郵便 郵便番号データを tokeilab が加工して作成。",
 "schema_url": "https://tokeilab.org/schema/sunlight/",
 "canonical_url": "https://tokeilab.org/sunlight/13101/13101009004/",
 "language": "ja",
 "notice": "これは計算による推定（シミュレーション）で、実測ではありません。樹木、バルコニー・ひさし、屋根の形、天気、データ作成後に建った建物や建て替えは反映していません。建物は箱型に単純化し、階の高さは一律 3 m と仮定しています。物件の購入・賃貸などの判断には、現地での確認や日影図などとあわせてお使いください。",
 "data": {
  "ward": {
   "ward_code": "13101",
   "name_ja": "千代田区",
   "name_en": "Chiyoda City"
  },
  "town": {
   "town_code": "13101009004",
   "name_ja": "麹町四丁目",
   "full_name_ja": "東京都千代田区麹町四丁目",
   "kana": "コウジマチ",
   "name_en": "Kojimachi 4-chome",
   "name_en_auto": false,
   "lat": 35.6838,
   "lon": 139.7365
  },
  "stats": {
   "buildings": 78,
   "buildings_with_exterior_face": 78,
   "buildings_with_south_face": 76,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 5,
   "dec15_south_1f_q3": 62.5,
   "share_dec15_best_top_2h": 0.5769,
   "dec15_best_top_q1": 20,
   "dec15_best_top_median": 170,
   "dec15_best_top_q3": 377.5,
   "annual_mean_best_top_mean": 323.7128,
   "mean_floors": 7.2179,
   "share_dec15_south_1f_2h": 0.1974,
   "highrise_share": 0.2564,
   "edge_uncertain": 0,
   "height_uncertain": 0,
   "hist_dec15_best_top": [
    26,
    7,
    7,
    5,
    3,
    6,
    12,
    6,
    4,
    2,
    0
   ],
   "hist_dec15_south_1f": [
    54,
    7,
    8,
    6,
    1,
    0,
    0,
    0,
    0,
    0,
    0
   ]
  },
  "residential": {
   "buildings": 19,
   "buildings_with_exterior_face": 19,
   "buildings_with_south_face": 19,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 70,
   "share_dec15_best_top_2h": 0.3684,
   "dec15_best_top_q1": 0,
   "dec15_best_top_median": 10,
   "dec15_best_top_q3": 375,
   "annual_mean_best_top_mean": 259.6842,
   "mean_floors": 6.8947,
   "share_dec15_south_1f_2h": 0.2632,
   "highrise_share": 0.2632,
   "edge_uncertain": 0,
   "height_uncertain": 0,
   "hist_dec15_best_top": [
    12,
    0,
    0,
    1,
    0,
    0,
    3,
    1,
    2,
    0,
    0
   ],
   "hist_dec15_south_1f": [
    14,
    0,
    3,
    2,
    0,
    0,
    0,
    0,
    0,
    0,
    0
   ]
  },
  "usage_counts": {
   "401": 41,
   "402": 3,
   "411": 4,
   "412": 10,
   "413": 4,
   "415": 1,
   "421": 1,
   "431": 1,
   "461": 13
  },
  "top10_dec15_best_top": [
   "13101-bldg-2500362",
   "13101-bldg-5306",
   "13101-bldg-5323",
   "13101-bldg-5429",
   "13101-bldg-5442",
   "13101-bldg-5302",
   "13101-bldg-5310",
   "13101-bldg-2500315",
   "13101-bldg-2500326",
   "13101-bldg-5305"
  ],
  "bottom10_dec15_best_top": [
   "13101-bldg-2500105",
   "13101-bldg-2500106",
   "13101-bldg-5133",
   "13101-bldg-5135",
   "13101-bldg-5255",
   "13101-bldg-5260",
   "13101-bldg-5272",
   "13101-bldg-5454",
   "13101-bldg-5457",
   "13101-bldg-5463"
  ],
  "links": {
   "map": "https://tokeilab.org/sunlight/map/?lat=35.6838&lon=139.7365&z=17",
   "buildings_api": "https://api.tokeilab.org/api/v1/sunlight/town/13101009004/buildings?page=1",
   "building_api": "https://api.tokeilab.org/api/v1/sunlight/building/{building_id}",
   "building_page": "https://tokeilab.org/sunlight/building/?id={building_id}"
  },
  "model": {
   "params_hash": "00cbc2db66",
   "model_version": "2",
   "methodology": "https://tokeilab.org/sunlight/methodology/"
  }
 }
}