The Lean Startup for Developers

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։ൃऀ ͷͨΊͷ ϖύϘձٞࣨ JEBOUJQPQ QBQFSCPZDP Ϧʔϯ ελʔτΞοϓ

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͸͡Ίʹ

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JEBOUJQPQ ٕज़ج൫੔උ ΤϯδχΞ

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ͳͥ։ൃऀ ͷࢲ͕Ϧϯ ελͷ࿩Λ ͢Δͷ͔ʁ

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ٕज़తʹ༏Εͨ اۀ͕ඞͣ͠΋ Α͍ϓϩμΫτ Λ࡞ΕΔΘ͚Ͱ ͸ͳ͍

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ݸਓͱͯ͠ͷࢲ w΋ͬͱ΋ͬͱٕज़ ऀͱͯ͠੒௕ͨ͠ ͍ w·ͩ·ֶͩश͕଍ Γͳ͍

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Α͍ϓϩμΫτ wٕज़͸ɺଟ਺͋Δ ཁૉͷͻͱͭʹա ͗ͳ͍ w։ൃϓϩηεͦ͜ ͕ॏཁ

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w ։ൃऀ͕Α͍ϓϩμΫ τͷͨΊʹͰ͖Δ͜ͱ ͸ଞʹ΋΋ͬͱ͋Δ w ٕज़ྗ޲্ͷͨΊͷऔ Γ૊Έ͸౰ͨΓલ Έ Μͳ΍ͬͯΔͰ͠ΐ w ͦͷ্Ͱ։ൃϓϩηε ΁ͷཧղɾ࣮ફ͕ඞཁ

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։ൃऀɺͻ ͍ͯ͸ΈΜ ͳͷ޾ͤͷ ͨΊʹ

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ॻ੶ͷ ͝঺հ

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No content

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ݪॻ ๜༁

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&SJD3JFDF #PSOJO 'PVOEFSPG *.76

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ͲΜͳຊʁ

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ʮܦӦऀ૚͕ ಡΉΑ͏ͳ ίϯαϧຊ Ͱ͠ΐʜʜ ࣗ෼ʹ͸ؔ܎ͳ͍ ʯ ҧ͍·͢

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։ൃऀͦ͜ ͕ಡΉ΂͖ ຊͰ͢

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αʔϏε։ൃ ͋Δ͋Δू

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୭΋͕਎ʹ ͭ·͞ΕΔ ࿩ͯΜ͜੝ Γ

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ελʔτ Ξοϓ

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ελʔτΞοϓ ͱ͸ʁ

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ͱͯͭ΋ͳ͘ෆ֬ ࣮ͳঢ়ଶͰɺ ৽͍͠੡඼΍αʔ ϏεΛ࡞Γग़͞ͳ͚ Ε͹ͳΒͳ͍ɺ ਓత૊৫

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wاۀͷྺ࢙ɾن ໛ɾൃలஈ֊ wͲͷۀքͰ͋Δ͔ wެӦɾຽӦ ʜͳͲ͸ʮελʔτΞο ϓʯͷఆٛʹແؔ܎ ͭ·Γʜʜ

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ΞϯτϨ ϓϨφʔ ͱ͸ʁ

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ΞϯτϨϓϨ φʔͱ͸ɺε λʔτΞοϓ ʹؔΘΔਓશ ମͷ͜ͱ

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ͱ͍͏͜ͱ͸

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ϖύϘ͸ελʔτ ΞοϓاۀͰ͋Γɺ զʑશһ͕ΞϯτϨ ϓϨφʔͰ͋Δ ΂ ͖

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μϝͳ։ൃ

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ʮݱࡏΘΕΘΕͷଟ͘͸ϓϩμ Ϋτ։ൃʹ͋ͨͬͯఱจֶͰ͸ ͳ͘઎੕ज़ʹཔ͍ͬͯΔΑ͏ͳ ஈ֊ʹ͋Δɻ͔͍ͭ͠͠·Ͱ΋ ͦΜͳϨϕϧʹཹ·͍ͬͯΔඞ ཁ͸ͳ͍ɻ͸Δ͔ʹ༏Εͨํ๏ ͕खͷಧ͘ͱ͜Ζ͋Δͷͩʯ http://jp.techcrunch.com/archives/0110911are-you-building-the-right-product/

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઎੕ज़ Ӎޤ͍

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ݱ࣮ ࿪ۂ ۭؒ

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զʑ͸ɺ δϣϒζ Ͱ͸ͳ͍

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ໝ૝ υϦϒϯ ։ൃ

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+645%0*5ઓུ w Ϗδϣϯ͕ෆ໌ྎ w ސ٬ͷཉٻ͕ෆ໌ w ސ٬͕͍Δͷ͔ෆ໌ w ༏ઌॱҐ෇͚ෆೳ w ໝ૝Ͱػೳ௥Ճ w ·͋ͱΓ͋͑ͣ΍ͬͯ ΈΑ͏

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ʮࠓճ͸ࣦഊ ͕ͩͬͨɺͦ ͔͜Βʰֶ ͼʱΛಘΔ͜ ͱ͕Ͱ͖ͨʯ

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શ͕ͯऴΘͬ ͯ͠·ͬͨޙ ʹʮֶͼʯΛ ಘͯ΋஗ա͗ Δ

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େ੾ͳ͜ͱ ͭ

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αʔϏε։ൃΛՊֶ ࣮ݧͷΑ͏ʹԾઆͱͦ ͷݕূΛ௨ͯ͡ߦ͏͜ ͱ ·ͣ͸Ծઆݕূͷͨ Ίͷඞཁ࠷খݶͷ੡඼ Λ࡞Δ͜ͱ ԾઆݕূϧʔϓΛͰ ͖Δ͚ͩ଎͘ճ͢͜ͱ

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Ծઆ ݕূ ֶͼ ݕূ͞ Εͳ͍ ࣦഊ

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Ծઆͳͯ͘͠ ݕূ͸ͳ͍͠ ݕূͳͯ͘͠ ֶͼ͸ͳ͍ʂ

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ϓϩμΫτ։ ൃ͸ɺՊֶ࣮ ݧͷΑ͏ʹߦ ΘΕΔ΂͖

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#VJME .FBTVSF -FBSO

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#VJME .FBTVSF -FBSO

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ʮཁ͢ΔʹΑ͋͘Δ 1%$"αΠΫϧΈͨ ͍ͳ΋ͷͳΜ͡Όͳ ͍ͷʜʜʁʯ

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ͪΐͬͱҧ͏

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#.- #.- #.- #.- #.- #.- #VJME .FBTVSF -FBSO όοναΠζ

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#.- #.- #.- #.- #.- #.- #VJME .FBTVSF -FBSO ࢢ৔؀ڥ ͷมԽ ڝ߹ͷొ৔ ϐϘοτ ͷඞཁੑ ૊৫มߋ

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׈૸࿏͕௕ ͍ํ͕ߴ͘ ඈ΂Δ

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׈૸࿏ͷ௕͞ ݄ ࢿຊ×ίετ݄

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Ͱ͸ͳͯ͘

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׈૸࿏ͷ௕͞ ݄ ϐϘοτ ํ਑ม׵ Ͱ͖Δճ਺

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׈૸࿏ͷ௕͞ ͕ܾ·͍ͬͯ ΔͳΒαΠΫ ϧΛ଎͘͢Δ ͔͠ͳ͍

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όοναΠζ͕େ͖ ͍ͱʜʜ

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w࡞ۀྔɾෳࡶੑˢ w඼࣭΁ͷཁٻˢ wมԽ΁ͷରԠˣ wࣾӡΛౌ͚ͨϓϩ δΣΫτԽ w͍ͭ·Ͱ΋ϦϦʔ εͰ͖ͳ͍

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ϥʔδόο νʹΑΔ ࢮͷεύΠ ϥϧ

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.71 NJOJNVNWJBCMFQSPEVDU

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.JOJNVN 7JBCMF 1SPEVDU ඞཁ࠷খݶ ࣮ߦՄೳͳ ϓϩμΫτ .71

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wԾઆݕূʹ଍Δඞ ༻े෼ͳ੡඼Λ࡞ Δ wԾઆݕূͷͨΊҎ ্ͷ΋ͷΛ࡞Γա ͗ͳ͍ ໝ૝͠ͳ ͍

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࣮ࡍͷݟࠐΈ٬ʹର ࣮ͯ͠ݧΛߦ͍ɺԾ આݕূ͢Δ

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ࣄྫ

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ۙॴͷγϣοϓ ͷۺͷࣸਅΛܝ ࡌ͢ΔαΠτ͔ Β࢝·ͬͨβο ϙε

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8PSE1SFTT Ͱߏஙͨ͠ϒϩ ά͔Βελʔτ ͨ͠(SPVQPO

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ಈը͚ͩ࡞ͬͯ ձһొ࿥ʹΑΓ Ձ஋ݕূ͢Δࣄ ྫɺ࠷ۙΑ͘ݟ ·͢ΑͶ

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"*ʹΑΔճ౴ͱ ͍͏ᨳ͍จ۟ Ͱɺ࣮͸ཪͰਓ ͕ؒճ౴࣮ͯ͠ ݧ "SECBSH

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ʮͦ͏͸͍ͬͯ΋ ฐࣾͳΒͰ͸ͷ ͍͢͝αʔϏε Λग़͞ͳ͚Ε͹ʜʯ

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͍͢͝αʔ ϏεͰҰൃ ٯసͳΜͯ ͳ͍

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ސ٬͕͍ͳ ͍΋ͷΛ ࡞ͬͯ΋࣌

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୭͕ސ٬ͳͷ ͔͕Θ͔Βͳ ͚Ε͹Կ͕඼ ࣭ͳͷ͔΋Θ ͔Βͳ͍

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ΞΠσΟΞΛ ஌ΒΕͨΒෛ ͚Δ͙Β͍ͳ Β͍ͣΕෛ͚ Δ͜ͱʹͳΔ

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w զʑ͕ղܾ͠Α͏ͱ͠ ͍ͯΔ໰୊ʹফඅऀ͸ ؾ෇͍͍ͯΔ͔ w ղܾࡦ͕͋Ε͹ফඅऀ ͸ͦΕΛങ͏͔ w զʑ͔Βങͬͯ͘ΕΔ ͔ w ͦͷ໰୊ͷղܾࡦΛ զʑ͸༻ҙͰ͖Δ͔

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ڏӫͷ Ձ஋ج४ WBOJUZNFUSJDT

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w 17 66 Ϣʔβ਺ μ ΢ϯϩʔυ਺ͳͲ w ͦΕࣗମඞཁͰ͸͋Δ ͕ɺ͓͓ͬ͟ͺա͗ ͯɺ࣮ࡍͷԾઆݕূ ϧʔϓʹ͸࢖͑ͳ͍ج ४ͷ͜ͱ

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݁Ռͷળ͠ѱ ͠ʹؔΘΒͣ ߦಈՄೳͰͳ ͍Ձ஋ج४͸ ڏӫͰ͋Δʂ

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ίϗʔτ ෼ੳ

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wϢʔβΛ͋Δج४ Ͱ෼ׂͨ͠ʮ܈ Εʯͱͯ͠ଊ͑Δ wϢʔβͷʮ੠ʯΛ ฉ͘ͷͰ͸ͳ͘ɺ ʮ;Δ·͍ʯΛ؍ ࡯͢Δ

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w͋Δج४ ొ࿥ ೔ɺαʔϏεར༻ ౓߹͍ɺϥϯμ Ϝ ʹΑΔϢʔβ ߦಈͷ೺Ѳ wεϓϦοςΟϯά ςετ

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ͨͱ͑͹ ͜Μͳά ϥϑ

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0 3750 7500 11250 15000 2004 2005 2006 2007 2008 2009 ొ࿥਺ ΞΫςΟϕʔγϣϯ਺

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ॱௐʹ੒௕ͯ͠ ͍Δ

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0 3750 7500 11250 15000 2004 2005 2006 2007 2008 2009 2010 2011 ొ࿥਺ ΞΫςΟϕʔγϣϯ਺

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ͳʹ͕ى͍ͬͯ͜ ΔΜͩʜʜ

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wࢥ͍ͭ͘ࢪࡦΛͱ ʹ͔͘౤ೖ wϢʔβ਺ɺ17 66ͳͲͬ͘͟Γ ͨ͠਺஋ͷΈ؍࡯ wΞήΞήͳ͏ͪ͸ ͍͍

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wԼ͕͖ͬͯͨ࣌ʹ Ͳ͏ͨ͠Β͍͍ͷ ͔Θ͔Βͳ͍ wͳʹΛ΍ͬͨΒͲ ͏ͳͬͨͷ͔ΛԾ આݕূͯ͠ͳ͔ͬ ͔ͨΒ

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wڏӫͷՁ஋ج४ʹ ҰتҰ༕͢ΔͷͰ ͸ͳ͘ɺԾઆݕূ ΛੵΈॏͶΔ͜ͱ ͕େࣄ wͦͷͨΊͷ࢓૊Έ Λಋೖ͠Α͏

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ԾઆݕূΛ Մೳʹ͢Δ ઃܭͱ͸ʁ

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͜Ε·Ͱͷ ઃܭ

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. 7 $ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ ػೳ γεςϜ

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wγεςϜશମʹ͸ ౎߹ͷΑ͍ઃܭ w͔͠͠ɺػೳͱ͍ ͏͔࣠ΒݟΔͱɺ ਫฏతʹόϥόϥ ʹͳͬͨঢ়ଶ

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wػೳͱɺͦΕΛ࣮ ݱ͢ΔͨΊͷઃܭ ͕ဃ཭͍ͯ͠Δ w࣮֬ͳԾઆݕূ͕ ૉૣ͘ߦ͑ͳ͍ঢ় ଶʹͳͬͯ͠·͏

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͜Ε͔Βͷ ઃܭ

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. 7 $ ػೳ γεςϜ . 7 $ ػೳ . 7 $ ػೳ . 7 $ ػೳ . 7 $ ػೳ

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wػೳ୯ҐͰਨ௚త ͳઃܭ͕Մೳ wԾઆݕূ͢Δ΂͖ ର৅ ػೳ ͱઃܭ ͱ͕Ұக͍ͯ͠Δ w௚ײతʹ΋ཧղ͕ ༰қ

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$IBOLP IUUQTHJUIVCDPNDPPLQBEDIBOLP

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%&.0

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http://itpro.nikkeibp.co.jp/article/COLUMN/20120302/384286/

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wଞʹѱӨڹΛ༩͑ ͳ͍ wࢥ͍෇͖ΛͲΜͲ ΜݕূͰ͖Δ wݕূ͞ΕֶͨͼΛ ಘΔ

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wػೳͷԾઆݕূ͕ ऴΘͬͨࡍʹ͸ɺ ຊϓϩμΫτʹ ίʔυ͕Ϛʔδ͞ ΕΔͱͷ͜ͱ wਫฏɾਨ௚ͷ૊Έ ߹Θ͕ͤॏཁ

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։ൃऀͷͨ ΊͷϦʔϯ ελʔτ Ξοϓ

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#.-αΠ ΫϧΛ଎͘ ճͨ͢Ίͷ લఏͱ͸ʁ

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http://www.slideshare.net/startuplessonslearned/2012-05-15-eric-ries-the-lean-startup-pwc-canada ੺ઢ͸։ൃऀʹͱͬͯಛʹॏཁͳࣄ߲

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େ੾ͳ͜ͱ ͸શͯ͜ͷ ਤͷதʹʂ

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wςετ w$* wܧଓతσϓϩΠ wϦϑΝΫλϦϯά wػೳࢦ޲ઃܭ w"#ςετ wϦιʔε؂ࢹ wϞχλϦϯά wΞϥʔτ wίϗʔτ෼ੳ

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ݱࡏʮΑ͍ϓϥΫ ςΟεʯͱ͞Ε͍ͯ Δ͜ͱ͸ɺશͯ #.-αΠΫϧΛΑ Γ଎͘ճͤΔΑ͏ʹ ͢ΔͨΊɻͦͷ͜ͱ ΛୈҰʹߟ͑Α͏ɻ

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·ͱΊ

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࠶ܝ αʔϏε։ൃΛՊֶ ࣮ݧͷΑ͏ʹԾઆͱͦ ͷݕূΛ௨ͯ͡ߦ͏͜ ͱ ·ͣ͸Ծઆݕূͷͨ Ίͷඞཁ࠷খݶͷ੡඼ Λ࡞Δ͜ͱ ԾઆݕূϧʔϓΛͰ ͖Δ͚ͩ଎͘ճ͢͜ͱ

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αʔϏεاը΍ػೳ ։ൃΛ͢ΔࡍʹɺϚ ωʔδϟʹɺνʔϜ ʹɺͦͯࣗ͠෼ʹର ͯ͠໰͍͔͚Α͏ɻ

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͜ͷαʔϏε ػೳ ͸ɺ୭ͷɺͲͷΑ͏ͳ໰ ୊Λղܾ͢Δͷ͔ʁ

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໰୊͕ղܾ͞Ε͔ͨ ൱͔ΛɺͲͷΑ͏ͳํ๏ Ͱ΋ͬͯ൑அ͢Δͷ͔ʁ ఆྔతʹ൑அͰ͖Δͷ ͔ʁ

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ԾઆݕূΛ͢Δͷʹ ຊ౰ʹඞ༻ͳػೳͳͷ ͔ʁ࡞Γա͍͗ͯͳ͍ ͔ʁ

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Ծઆݕূͷͳ ͍։ൃ͸ɺໝ ૝Ҏ্ͷͳʹ ΋ͷͰ΋ͳ͍

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'"2

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2طଘͷϓϩδΣΫτʹରͯ͠ɺ͜ͷ ํ๏࿦͸࢖͑ΔͷͰ͠ΐ͏͔ "े෼ʹར༻ՄೳͰ͋Δͱߟ͑·͢ɻ طଘͷϓϩδΣΫτʹԾઆݕূϧʔϓ͕ ૊ࠐ·Ε͍ͯͳ͍ͱͨ͠Βɺ͍·͙͢ಋ ೖ͢Δ΂͖Ͱ͢ɻݱʹɺࢲͷؔΘ͍ͬͯ ΔϓϩμΫτͰ͸ɺ৽نɾطଘͱΛ໰Θ ͣɺϦʔϯελʔτΞοϓͷख๏ΛऔΓ ೖΕɺ໰୊ͷ੔ཧɾ೺Ѳɺ࣍ͷߦಈܭը ΛཱͯΔͱ͍ͬͨ͜ͱΛߦ͍ͬͯ·͢ɻ

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2ώοταʔϏεΛ࡞ͬͨ͜ͱ΋ͳ͍ ͷʹํ๏࿦ͱ͔ɺͲ͏ͳΜͰ͔͢ʁ স "ͨͱ͑͹ՊֶऀʹͱͬͯԾઆݕূͱ ͸ɺݚڀΛ͢Δ্Ͱ౰ͨΓલͷํ๏Ͱ ͋ͬͯɺͦΕΛ࣮ߦ͢ΔͷʹͳΜͷ࣮੷ ΋ඞཁ͋Γ·ͤΜɻͲΜͳ৽ਓͰ͋ͬͯ ΋ɺଉΛ͢ΔΑ͏ʹԾઆΛཱͯɺݕূΛ ߦ͏Ͱ͠ΐ͏ɻϦʔϯελʔτΞοϓ΋ ͦΕͱಉ͡ɻͨͩɺ౰ͨΓલͷ͜ͱΛ౰ ͨΓલʹ΍Ζ͏ͱ͍͏͚ͩͷ࿩Ͱ͢ɻ

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2͜ͷํ๏࿦Ͱ͸ɺ৽͍͠ΞΠσΟΞ ͸͏·Εͳ͍ͷͰ͸ʁ "8FCͷ࣌୅͡Ό͋Δ·͍͠ɺͨ ͩ৽͍͠ΞΠσΟΞ͚ͩͰώοταʔϏ ε͕࡞ΕΔΑ͏ͳ࣌୅Ͱ͸ͳ͍Ͱ͠ΐ ͏ɻ·ͨϦϯελ͸ɺΞΠσΟΞ΍Ϗ δϣϯͷॏཁੑΛաগධՁ͢Δ΋ͷͰ͸ ͋Γ·ͤΜɻΞΠσΟΞΛɺΑΓΑ͍࣮ ફʹ݁ͼ͚ͭΔͨΊͷߟ͑ํΛఏڙ͢Δ ΋ͷͰ͋Δͱߟ͑·͢ɻ

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