digraph higurashi {
graph [compound=true];
edge [arrowtail=odot, fontname="KozMinPro-Medium.otf"];
node [shape=box, fillcolor="#FFFFC0", style=filled, fontname="KozGoPro-Medium.otf"];


subgraph cluster52 {
fontname="KozGoPro-Bold.otf";
label = "昭和52年以前";
fillcolor="#E0FFFF";
style=filled;
t26 [label="26. 地元説明会", peripheries=2];
t40 [label="40. 古手梨花"];
t26 -> t40 [label="北条家と園崎家の対立"];
}

subgraph cluster53 {
fontname="KozGoPro-Bold.otf";
label = "昭和53年";
fillcolor="#E0FFFF";
style=filled;
t09 [label="09. ダム計画撤回作戦", peripheries=2];
t23 [label="23. 富竹ジロウ", peripheries=2];
}

subgraph cluster54 {
fontname="KozGoPro-Bold.otf";
label = "昭和54年";
fillcolor="#E0FFFF";
style=filled;
t18 [label="18. 入江京介", peripheries=2];
t17 [label="17. 入江の生い立ち"];
t18 -> t17 [label="入江京介の過去の回想"];
t12 [label="12. 女王への協力依頼"];
t18 -> t12 [label="研究の座礁"];
t09 -> t12 [label="大臣孫の誘拐作戦指示"];
t10 [label="10. 谷河内の採石場"];
t12 -> t10 [label="女王感染者の協力"];
t27 [label="27. 神主の憂鬱"];
t40 -> t27 [label="梨花と沙都子のお買い物"];
t12 -> t27 [label="神主と入江機関の接触"];
t13 [label="13. バラバラ殺人事件"];
t26 -> t13 [label="繰り返される謝罪"];
t05 [label="05. 生贄第一号"];
t18 -> t05 [label="研究には生きた検体が必要"];
t13 -> t05 [label="ダム建設現場の惨劇"];
t24 [label="24. おやっさん"];
t13 -> t24 [label="ダム現場監督の死亡"];
t04 [label="04. 研究快調"];
t05 -> t04 [label="L5発症者の初解剖"];
t12 -> t04 [label="女王感染者の協力"];
t19 [label="19. 定期監査"];
t04 -> t19 [label="脳脊椎液採取の事前承諾"];
}

subgraph cluster55 {
fontname="KozGoPro-Bold.otf";
label = "昭和55年";
fillcolor="#E0FFFF";
style=filled;
t30 [label="30. 北条悟史", peripheries=2];
t39 [label="39. 北条沙都子", peripheries=2];
t29 [label="29. 北条兄妹"];
t26 -> t29 [label="北条家と園崎家の対立"];
t39 -> t29 [label="北条沙都子の自己紹介"];
t38 [label="38. 園崎魅音"];
t40 -> t38 [label="苺ミルクの飴"];
t06 [label="06. 生贄第二号"];
t13 -> t06 [label="現場監督の死"];
t29 -> t06 [label="北条沙都子の入院"];
t28 [label="28. 兄の苦悩"];
t38 -> t28 [label="お駄賃の金平糖"];
t06 -> t28 [label="北条沙都子の精密検査結果"];
t01 [label="01. C103投与実験"];
t06 -> t01 [label="北条沙都子の精密検査結果"];
t04 -> t01 [label="入江京介の決意"];
t14 [label="14. 白川公園転落事故"];
t01 -> t14 [label="北条悟史の見舞いの謝絶"];
t30 -> t14 [label="北条悟史の兄としての使命感"];
t02 [label="02. H170"];
t01 -> t02 [label="北条沙都子解剖計画の中止"];
t17 -> t02 [label="入江京介の医者になる動機"];
}

subgraph cluster56 {
fontname="KozGoPro-Bold.otf";
label = "昭和56年";
fillcolor="#E0FFFF";
style=filled;
t11 [label="11. 女王の母の不信"];
t02 -> t11 [label="C103とH170の研究成果"];
t14 -> t11 [label="白川公園転落事故の真実"];
t22 [label="22. 一二三四"];
t11 -> t22 [label="古手梨花の高熱"];
t23 -> t22 [label="富竹ジロウの微熱"];
t07 [label="07. 生贄第三号"];
t27 -> t07 [label="梨花の父に日和見主義者の烙印"];
t11 -> t07 [label="梨花の母に入江機関への不信感"];
t15 [label="15. 古手夫妻怪死事件"];
t07 -> t15 [label="三年目の祟りの実行命令"];
t24 -> t15 [label="大石蔵人の宣戦布告"];
}

subgraph cluster57 {
fontname="KozGoPro-Bold.otf";
label = "昭和57年";
fillcolor="#E0FFFF";
style=filled;
t03 [label="03. 赤いカプセル薬"];
t15 -> t03 [label="三年目のオヤシロさまの祟り"];
t35 [label="35. 部活結成"];
t28 -> t35 [label="北条悟史に罪の意識"];
t15 -> t35 [label="古手夫妻の怪死事件"];
t37 [label="37. 竜宮レナ"];
t03 -> t37 [label="赤いカプセル薬"];
t32 [label="32. 四年目の足音"];
t28 -> t32 [label="北条悟史に罪の意識"];
t03 -> t32 [label="竜宮レナに罪を許すナニカ"];
t31 [label="31. 休部届け"];
t35 -> t31 [label="北条悟史にバイト斡旋"];
t32 -> t31 [label="北条悟史に背中の足音"];
t16 [label="16. 北条叔母撲殺事件"];
t31 -> t16 [label="撲殺用のバット"];
t08 [label="08. 生贄第四号"];
t16 -> t08 [label="北条沙都子の叔母の死"];
t25 [label="25. サイコロの１"];
t19 -> t25 [label="祝杯のワイン"];
t22 -> t25 [label="富竹ジロウの約束"];
t10 -> t25 [label="緊急マニュアル草案"];
t20 [label="20. 失意"];
t25 -> t20 [label="小泉先生の死"];
t21 [label="21. デジャヴ"];
t25 -> t21 [label="治療薬C117の完成"];
t42 [label="42. 終末への誘い"];
t21 -> t42 [label="生ウニにビタミンA"];
t08 -> t42 [label="大きなぬいぐるみ"];
t20 -> t42 [label="彼女に心の支え"];
}

subgraph cluster58 {
fontname="KozGoPro-Bold.otf";
label = "昭和58年";
fillcolor="#E0FFFF";
style=filled;
t34 [label="34. 新しい風"];
t37 -> t34 [label="竜宮家のお引越し"];
t38 -> t34 [label="園崎家のスイカ"];
t33 [label="33. 分譲地下見"];
t37 -> t33 [label="竜宮家のお引っ越し"];
t16 -> t33 [label="四年目の祟り"];
t36 [label="36. 前原圭一"];
t34 -> t36 [label="縁側のお茶の片付け"];
t33 -> t36 [label="前原伊知郎の下見"];
}

subgraph clusterg {
fontname="KozGoPro-Bold.otf";
label = "ゲーム盤";
fillcolor="#E0FFFF";
style=filled;
t41 [label="41. 昭和５８年６月"];
t42 -> t41 [label="鷹野三四の復讐"];
t36 -> t41 [label="前原圭一の転校"];
t43 [label="43. 暇潰し編のカケラ"];
t41 -> t43 [label="ゲーム盤の準備"];
t44 [label="44. 鬼隠し編のカケラ"];
t41 -> t44 [label="ゲーム盤の準備"];
t45 [label="45. 罪滅し編のカケラ"];
t44 -> t45 [label="鬼隠し編のカケラ"];
t46 [label="46. 綿流し編のカケラ"];
t41 -> t46 [label="ゲーム盤の準備"];
t47 [label="47. 目明し編のカケラ"];
t46 -> t47 [label="綿流し編のカケラ"];
t48 [label="48. 祟殺し編のカケラ"];
t41 -> t48 [label="ゲーム盤の準備"];
t49 [label="49. 皆殺し編のカケラ"];
t48 -> t49 [label="祟殺し編のカケラ"];
t50 [label="50. 祭囃し編のカケラ"];
t43 -> t50 [label="7つのカケラ"];
t45 -> t50 [label="7つのカケラ"];
t47 -> t50 [label="7つのカケラ"];
t49 -> t50 [label="7つのカケラ"];
t51 [label="51. カケラ屑"];
t50 -> t51 [label="最後の奇跡が、必要ですか？"];
t50b [label="50. 祭囃し編のカケラ"];
t51 -> t50b [label="7つのカケラ"];
t52 [label="52. お子様ランチの旗"];
t51 -> t52 [label="……彼女にだって救い"];
}
}