LICENSE — Japan Energy Self-Sufficiency (ANRE decomposition + World Bank comparator)

This dataset is a reshaped/derived work ("加工して作成") — NOT raw government data.
It combines two sources under different licenses. Reuse is permitted commercially,
but only if you meet the obligations below.

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SOURCES & LICENSES
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1. PRIMARY — 資源エネルギー庁 総合エネルギー統計 (retrieved via the e-Stat API)
   Files: jpn_self_sufficiency_decomposition.csv, jpn_primary_supply_by_fuel.csv,
          and the JPN rows of energy_self_sufficiency_jpn_vs_world.csv
   License: 公共データ利用規約(第1.0版) / Public Data License 1.0 (CC BY 4.0-compatible)
   Text:    https://www.digital.go.jp/resources/open_data/public_data_license_v1.0

2. COMPARATOR — World Bank, World Development Indicators (EG.IMP.CONS.ZS)
   Files: the non-JPN rows of energy_self_sufficiency_jpn_vs_world.csv
   License: CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/

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YOUR OBLIGATIONS WHEN REUSING THIS DATASET
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Under PDL 1.0 (primary source), you MUST:
  (a) 出典表示  — cite the source, and note it was retrieved via the e-Stat API.
  (b) 加工明記  — state that the data was extracted/reshaped; do NOT present it as
                 raw government data.
Under CC BY 4.0 (World Bank comparator), you MUST attribute the World Bank.

Copy these attribution strings:
  出典：資源エネルギー庁 総合エネルギー統計（e-Stat 経由取得）を加工して作成
  Source: World Bank WDI (CC BY 4.0)

Neither source endorses this derived work. Accuracy is not guaranteed; verify against
the primary sources before relying on it.