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チームの劇的瞬間 / XP team tipping point
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Ship Features Fearlessly
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Fumihiko Kinoshita
September 18, 2021
Programming
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チームの劇的瞬間 / XP team tipping point
XP祭り2021
Fumihiko Kinoshita
September 18, 2021
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Transcript
νʔϜͷܶతॠؒ 木下 史彦 永和システムマネジメント ʙߤۭɺҩྍɺྨਓԐɺͦͯ͠91ʹֶͿʙ
ࠒ͔ΒΤΫετϦʔϜɾϓϩάϥϛϯάΛ։ൃݱͰ࣮ફɻʹΧφμ Ͱ։࠵͞Εͨ"HJMF$POGFSFODFʹͯΞδϟΠϧϓϥΫςΟεͷ࣮ફࣄྫΛൃ දɻʹʮՁܖʯΛఏএɻɺΞδϟΠϧࣄۀ෦Λઃཱɻ ݱࡏΞδϟΠϧίʔνͱͯ͠ʮ·ͬͱ͏ͳΞδϟΠϧ։ൃʯΛඪᒗͯ͠ίϯαϧςΟ ϯάɾίʔνϯά׆ಈʹैࣄɻࣗಈंϝʔΧʔɺҩྍػثϝʔΧʔɺ௨৴ΩϟϦΞɺۚ ༥ػؔͳͲͷ%9Λਪਐɻ ༁ॻʹʰΞδϟΠϧϓϥΫςΟεʱʢΦʔϜࣾʣɺʰΞʔτɾΦϒɾΞδϟΠϧσ ϕϩοϓϝϯτʱʢΦϥΠϦʔʣ͕͋Δɻ Լ࢙ גࣜձࣾӬγεςϜϚωδϝϯτ
"HJMF4UVEJPϓϩσϡʔαʔ ΞδϟΠϧίʔν 4DSVN*ODೝఆτϨʔφʔ
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݄ ɾ ։࠵ ຬһ ޚྱ
ɿͲ͕ͬͪlΞδϟΠϧzʁ https://commons.wikimedia.org/wiki/File:United_Airlines_Douglas_DC-8-61_N8082U.jpg https://commons.wikimedia.org/wiki/File:US_Airways_Flight_1549_(N106US)_after_crashing_into_the_Hudson_River_(crop_2).jpg A B
ϢφΠςουߤۭศ ೩ྉΕམࣄނ ݄ ओ٭ͷ٭Լ͛Ґஔࢦࣔ౮ͷෆ౮ ٭ͷʹΑΓػટճʹೖ͔ͬͨ࣌Β ࣌ؒޙʹ೩ྉΕʹΑΓམ һ໊ ʢػɺ෭ૢॎ࢜ɺߤۭػؔ࢜ɺ٬ࣨһʣ һɾ٬ਓத໊ࢮ 64ΤΞΣΠζศ
ෆ࣌ணਫࣄނ ݄ όʔυετϥΠΫʹΑΔ྆Τϯδϯఀࢭ ͔ͯ͠Βணਫ·ͰΘ͔ͣؒ һ໊ ʢػɺ෭ૢॎ࢜ɺ٬ࣨһʣ һɾ٬શһ໊͕ແࣄʹੜؐ https://commons.wikimedia.org/wiki/File:United_Airlines_Douglas_DC-8-61_N8082U.jpg https://commons.wikimedia.org/wiki/File:US_Airways_Flight_1549_(N106US)_after_crashing_into_the_Hudson_River_(crop_2).jpg
٬ࣨһ ߤۭػؔ࢜ ෭ૢॎ࢜ ػ ٬ࣨһ ෭ૢॎ࢜ ػ ϢφΠςουߤۭศ ೩ྉΕམࣄނ 64ΤΞΣΠζศ
ෆ࣌ணਫࣄނ
ݖҖޯ Photo by Freddie on Unsplash
$3. $SFX3FTPVSDF.BOBHFNFOU ʹΞϝϦΧߤۭӉہʢ/"4"ʣʹΑͬͯൃද͞Εͨɺ҆શͰޮྑ͍ ӡߤͷͨΊɺҰਓҰਓͷһߤۭػͷγεςϜɺԉॿࢪઃͱͦͷਓһΛؚΊͨ શͯͷϦιʔεʢࢿݯʣΛޮՌతʹར༻͢Δߟ͑ํɻ$3.ͷతɺؔ͢Δ һͷίϛϡχέʔγϣϯɺ૬ޓ࡞༻ɺਓతཁҼɺϚωʔδϝϯτεΩϧΛΑΓ ߴΊΔ͜ͱͰ͋Δɻͦͯ͠ɺһͷύϑΥʔϚϯεͷ͏ͪɺϊϯςΫχΧϧɾ εΩϧͷଆ໘Λॏࢹ͢ΔͷͰ͋Δɻ ຊͰɺӡ༌লʢ࣌ʣ͕ߤۭձࣾʹରͯ͠ɺʮߤۭػһʹର͢Δ$3. ܇࿅ͷ࣮ࢪʹ͍ͭͯʯʢӡߦ՝௨ୡฏ݄ʣͱ͢Δ௨ୡΛग़
͠ɺ$3.܇࿅ΛٛԽ͓ͯ͠Γɺ֤ํ໘Ͱ$3.܇࿅ͷఆணԽࢪࡦ͕۩ମతͳ՝ ͱͯ͠औΓ·Ε͍ͯΔɻ
$3.εΩϧͷେཁૉ ίϛϡχέʔγϣϯ ҙࢥૄ௨ $PNNVOJDBUJPO ঢ়گೝࣝͷҡ࣋ 4JUVBUJPOBM "XBSFOFTT ҙࢤܾఆ ͷղܾ %FDJTJPO.BLJOH
νʔϜܗͱ ҡ࣋ 5FBN#VJMEJOH ϫʔΫϩʔυཧ 8PSLMPBE .BOBHFNFOU ใͷୡͱ֬ೝ 8BZ $PNNVOJDBUJPO ܯռ৺ͷҡ࣋ 7JHJMBODF Ϧιʔεͷ༗ޮ׆༻ ܾఆͷ࣮ߦ 3FTPVSDF งғؾɾڥ࡞Γ $SFBUFBO "UNPTQIFSF ༏ઌॱҐ͚ 1SJPSJUJ[F ҆શͷओுͱ ͳ࣭ "TTFSUJPO ͷѲɾ ೝࣝͷڞ༗ .POJUPS ղܾࡦͷબ దͳҙࢤܾఆ %FDJTJPO ۀͷओମతӡ༻ 4IPXB -FBEFSTIJQ ۀܭը 5BTL %JTUSJCVUJPO ܭըͱ֬ೝͷڞ༗ #SJFpOH ͷੳ ঢ়گ͔Βͷ༧ଌ "OUJDJQBUJPO ܾఆͱߦಈͷ ;Γ͔͑Γ $SJUJRVF ҙݟͷ૬ҧͷղܾ $POqJDU 3FTPMVUJPO ετϨεղফ 4USFTT .BOBHFNFOU
ࣗݾओுͷͭͷεςοϓ https://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%AB%E3%83%BC%E3%83%BB%E3%83%AA%E3%82%BD%E3%83%BC%E3%82%B9%E3%83%BB%E3%83%9E%E3%83%8D%E3%82%B8%E3%83%A1%E3%83%B3%E3%83%88 ΑΓҙΛҾ͘ ؾ͕͔ΓΛݴ͏ Λݴ͏ ରࡦΛݴ͏ ಉҙʢ͋Δ͍ ڐՄʣΛΒ͏ ʮྑ͍Ͱ͠ΐ͏͔ػ ୂ
ʁʯ ʮผͷۭߓʹ߱Γͯڅ༉͠·͠ΐ͏ʯ ʮୂһΛೖΕΔલʹɺนʹ݀Λ։͚ͯ֎ઢΧϝϥͰதΛௐ·͠ΐ͏ʯ ʮ͋ͱͷ೩ྉ͔͠දࣔ͞Ε͍ͯ·ͤΜʯ ʮ͜ͷݐܰྔమࠎͷτϥεࠜͰɺՐ͕ࠜʹճ͍ͬͯΔ͔͠Ε·ͤΜʯ ঢ়گੳͱײΛʹݴ͏ɻ ʮ͜ͷཛྷΛᷖճ͢Δ೩ྉ͕͋Δ͔৺Ͱ͢ʯ ʮ่͕ࠜΕམͪͳ͍͔ෆ҆Ͱ͢ʯ ͦͷਓʹݺͼ͔͚ΔɻݞॻͰ໊લͰྑ͍ͷͰݺͼ͔͚Δ͜ͱͰҙΛҾ͘ɻ ʮνʔϑʯʮεϛεػʯʮϘϒʯ 1 2 3 4 5
64ΤΞΣΠζศίοΫϐοτͰͷձ ࠃՈ҆શӡ༌ҕһձ USΤΞΣΠζ1549ศ ࣄނௐࠪใࠂॻΑΓ https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR1003.pdf ハドソン川着水の数秒前 副操縦士:正直言って、ありません 機長:ほかに何かいいアイデアはあるか?
ҩྍۀք http://www.medsafe.net/specialist/5jas.html
͜Μͳ৺ଁ֎Պखज़ݏͩ खज़ࣨޢࢣ ৺ଁ֎Պҩ ʢࣥҩʣ ৺ଁ֎Պҩ ʢୈҰॿखʣ ৺ଁ֎Պҩ ʢୈೋॿखʣ ຑਲՊҩ ྟচֶٕ࢜
Photo by Piron Guillaume on Unsplash
5FBN45&114 5FBN4USBUFHJFTBOE5PPMUP&OIBODF1FSGPSNBODFBOE1BUJFOU4BGFUZ ʹถࠃࠃ૯লͱถࠃҩྍݚڀ࣭ہ͕։ൃͨ͠νʔϜϫʔΫγεςϜ
5FBN45&114ͷίΞεΩϧ νʔϜߏ Ϧʔμʔγοϓ ঢ়گ؍ ૬ޓࢧԉ ίϛϡχέʔγϣϯ ϚϧννʔϜߏ ۀґཔ σϦήʔγϣϯ ؍
ೝࣝ ൃ৴ ϑΟʔυόοΫ 4#"3 ױऀͱͷ ύʔτφʔγοϓ ϒϦʔϑ ϋυϧ σϒϦʔϑ ؍߲ 45&1 ༴ޢͱࢧԉ νΣοΫόοΫ ϥϐου ϦεϙϯεγεςϜ ʢ334ʣ ϑΟʔυόοΫ ΫϩεϞχλϦϯά νϟϨϯδϧʔϧ ίʔϧΞτ $64 ૪ղܾ %&4$ ڠಇ ϋϯυΦϑ
νϟϨϯδϧʔϧ https://www.hosp.jikei.ac.jp/diagnosis/administration/security/security_02.html ױऀͷ҆શͷͨΊʹɺࣗͷؾ͖ͮߟ͑Λ࠷ճൃ৴͢Δϧʔϧ ˞҆શୈҰͷࢦఠඇ͞Εͳ͍ ᶃʮʜͱࢥ͏ͷͰ͕͢ʯ ᶄʮͦΜͳ͜ͱͳ͍Αɺ͜ͷ··Ͱ͍͍͔Βʯ ͰҾ͖Լ͕Βͣ ᶅͰɺʜͱ͍͏Մೳੑ͋ΔͷͰɺͲ͏Ͱ ͠ΐ͏͔ ׆ಈΛதஅͤ͞ΔͨΊ܁Γฦ͠Ξϐʔϧ͢Δ
ةݥ͕༧͞ΕΔ߹ͷճආࡦ ରԠ͕ೲಘͰ͖ͳ͍߹ճओு͢Δ ࣗͷͰൃ৴͢Δϧʔϧ ૬खඞͣฉ͖ೖΕରԠ͢Δ ରԠ͠ͳ͚Ε͍͚ͳ͍ϧʔϧ ୯ʹ܁Γฦ͚ͩ͢Ͱ૬खड͚ೖΕͳ͍ ؾ͍͍ͮͯͳ͍৽نใΛఏڙ͠அΛଅ͢
$64 C U S 5IJTJTBTBGFUZJTTVF ͜Ε҆શͷͰ͢4501͍ͯͩ͘͠͞ɻ *BNVODPNGPSUBCMF ෆ҆Ͱ͢ͳͥෆ҆ͳͷ͔ Λ͑Δ *BNDPODFSOFE
ؾʹͳΓ·͢৺Ͱ͢
͜ΜͳγεςϜ։ൃʁ ςελʔ ϓϩμΫτΦʔφʔ εΫϥϜϚελʔ ςοΫϦʔυ 4& 1(
ɿͲ͕ͬͪlΞδϟΠϧzʁ https://commons.wikimedia.org/wiki/File:United_Airlines_Douglas_DC-8-61_N8082U.jpg https://commons.wikimedia.org/wiki/File:US_Airways_Flight_1549_(N106US)_after_crashing_into_the_Hudson_River_(crop_2).jpg A B
None
ΰϦϥ Gorilla spp. ংྻ͕ͳ͍ উͪෛ͚ͱ͍͏ൃ͕ͳ͍ έϯΧʹͳͬͨΒୈࡾऀׂ͕ͬͯೖΔ ࣄऀಉ͕࢜ͬ͡ͱݟͭΊ߹ͬͯղ ܈ΕͷؒͱҰॹʹ৯ࣄ إΛ͚߹͍ࢹઢΛ߹ΘͤΔ νϯύϯδʔ
Pan troglodytes ংྻ͕͋Δ উͪෛ͚ΛܾΊΔ έϯΧʹͳͬͨΒڧ͍ํʹՃ ऑ͍ํΛίςϯύϯʹ ࢄΒͬͯ৯ࣄ ޓ͍ʹ͕߹Θͳ͍Α͏ʹ͢Δ
ʰ͋ͳͨϘϊϘɺͦΕͱνϯύϯδʔʁɹྨਓԐʹֶͿ༥ͷॲํᝦʱΑΓ
ΰϦϥ Gorilla spp. ংྻ͕ͳ͍ উͪෛ͚ͱ͍͏ൃ͕ͳ͍ έϯΧʹͳͬͨΒୈࡾऀׂ͕ͬͯೖΔ ࣄऀಉ͕࢜ͬ͡ͱݟͭΊ߹ͬͯղ ܈ΕͷؒͱҰॹʹ৯ࣄ إΛ͚߹͍ࢹઢΛ߹ΘͤΔ νϯύϯδʔ
Pan troglodytes ংྻ͕͋Δ উͪෛ͚ΛܾΊΔ έϯΧʹͳͬͨΒڧ͍ํʹՃ ऑ͍ํΛίςϯύϯʹ ࢄΒͬͯ৯ࣄ ޓ͍ʹ͕߹Θͳ͍Α͏ʹ͢Δ ώτ Homo sapiens
ߤۭۀք ҩྍۀք ιϑτΣΞۀք $3. 91 5FBN45&114
։ൃΛޭͤ͞ΔͨΊʹɺϓϩάϥϚͱϢʔβʔ͕ࣗͨͪͷෆ҆Λ ೝࣝ͠ɺݖརͱΛड͚ೖΕΒΕΔจԽ ڥ ΛΒͳ͚ΕͳΒͳ ͍ɻ ෆ͕҆ೝࣝ͞Εݖར͕ड͚ೖΕΒΕΕɺࣗ৴Λ࣋ͭ͜ͱ͕Ͱ͖Δɻͨ ͱ͑ୡ͢Δ͜ͱ͕ͯ͘͠ΰʔϧΛઃఆ͠ɺΰʔϧʹ͔ͬͯڠௐ͢ Δɻෆ҆ͷͨΊʹ࡞ΒΕͨɺࣗͨͪΛअຐ͢ΔߏΛଧͪյ͢ɻ ʰXPΤΫετϦʔϜϓϩάϥϛϯά࣮ߦܭըʱΑΓ
ސ٬ͷݖར ސ٬ʹɺܭըͷͲͷ෦ʹؔͯ͠ɺ͍ͭ·Ͱʹɺ Կ͕ɺͲͷ͘Β͍ͷίετͰୡͰ͖Δ͔ΛΔݖར ͕͋Δɻ ސ٬ʹɺશϓϩάϥϛϯάظؒΛ௨ͯ͠ɺ࠷ߴՁ Λखʹ͢Δݖར͕͋Δɻ ސ٬ʹɺࣗΒ͕ॻ͍ͨ࠶ݱՄೳͳςετΛ௨͢͜ͱ
ͰɺγεςϜ͕ػೳ͢Δ͜ͱΛͪΌΜͱূ໌ͯ͠Β ͍ɺݱߦͷγεςϜͷਐḿ߹͍ΛΔݖར͕͋Δɻ ސ٬ʹɺߟ͑Λ్தͰม͑ͯػೳΛࠩ͠ସ͑ͨΓɺ ϓϥΠΦϦςΟΛมߋͨ͠Γ͢Δݖར͕͋Δɻͦͷࡍ ʹಛผʹଟֹͷग़අඞཁͳ͍ɻ ސ٬ʹɺεέδϡʔϧͷมߋ͕͋ͬͨΒ࿈བྷΛड͚ Δݖར͕͋Δɻͳ͓ɺͦͷ࿈བྷɺ࠷ॳʹܾΊͨظݶΛकΔͨΊɺͲ͏είʔϓΛݮΒ͢ ͔ΛܾΊΔͷʹखΕʹͳΒͳ͍Α͏ɺे͔ʹߦΘΕͳ͚ΕͳΒͳ͍ɻ͍ͦͯͭ͠ͰൃΛ औΓফ͠ɺͦͷ࣌·Ͱͷࢿʹݟ͋͏ɺͪΌΜͱػೳ͢ΔγεςϜΛखʹ͢Δݖར͕͋Δɻ ϓϩάϥϚͷݖར ϓϩάϥϚʹɺԿ͕ඞཁͱ͞Ε͍ͯΔ͔Λ໌֬ͳϓ ϥΠΦϦςΟͱ͋ΘͤͯΔݖར͕͋Δɻ ϓϩάϥϚʹɺͭͶʹ࣭ͷߴ͍ࣄΛ͢Δݖར͕͋ Δɻ ϓϩάϥϚʹɺಉ྅্࢘ɺސ٬ʹॿྗΛٻΊɺͦ ΕΛड͚Δݖར͕͋Δɻ ϓϩάϥϚʹɺࣗΒݟੵΓΛߦ͍ɺ·ͨͦΕΛߋ৽ ͢Δݖར͕͋Δɻ ϓϩάϥϚʹɺΛׂΓͯΒΕͯΔͷͰͳ ͘ɺࣗΒΛҾ͖ड͚Δݖར͕͋Δɻ ʰXPΤΫετϦʔϜɾϓϩάϥϛϯάಋೖฤʱʰXPΤΫετϦʔϜɾϓϩάϥϛϯά࣮ߦܭըʱʰClean Agileʱ
ސ٬ͱϓϩάϥϚͷݖརষయͷਤղ ސ٬ ϓϩάϥϚ ্࢘ ཁ ٻ ͷ ࠩ ͠ ସ
͑ ϓ ϥ Π Φ Ϧ ςΟ ͷ ม ߋ ԿΛʁ Ͳ͏͍͏ϓϥΠΦϦςΟͰʁ ͍ͭ·Ͱʹʁ Կ͕ʁ ͍͘ΒͰʁ ݟੵΓ ʢ͍ͭͰߋ৽ʣ ͷҾ͖ड͚ ਐḿ߹͍ ࠷ߴՁ ࣭ͷߴ͍ࣄ ॿྗ ॿྗ ॿ ྗ
ΤΫετϦʔϜϓϩάϥϛϯάʹ͓͚Δܭըϓϩηεશମɺ։ൃऀͱ ސ٬ͷؒͰܭըͷΛ୲͢Δ͜ͱʹΑͬͯɺযΓͷʹऔΓΜͰ ͍ΔͷͰ͢ɻ ʰXPΤΫετϦʔϜϓϩάϥϛϯάջٙฤʱΑΓ
αʔΫϧΦϒϥΠϑ ʰXPΤΫετϦʔϜϓϩάϥϛϯάಋೖฤʱΑΓ
ܶతॠؒ ʰXPΤΫετϦʔϜϓϩάϥϛϯάద༻ฤʱΑΓ
ϓϩάϥϚ͕ݟੵΓΛ͡ΊΔͱɺސ٬͍Β͍Β͠͡Ίͨɻ൴ϓ ϩάϥϚʹʮͬͱݟੵΓΛݮΒͤͳ͍͔ʯͱฉ͍ͨɻʢதུʣࢲ ͪΐͬͱқͨ͠ɻ։ൃଆͷਓؒԿͱݴ͍ฦ͍͍ͤͷͩΖ͏ʁͦͷͱ ͖ϓϩάϥϚͷͻͱΓ͕͜͏ݴͬͨɻʮ͔ͤ͞Εͳ͕Β࡞ͬͨιϑτΣ Ξ͕ͲΜͳͷ͔ɺ͏͝ཡʹͳͬͨͰ͠ΐ͏ɻ͜Ε͕ࢲͨͪͷݟੵΓͳ ͷͰ͢ɻ͜ͷࣄΛ͜ͷݟੵΓͰΒ͍ͤͯͩ͘͞ɻͦ͏͢Εɺ࣍ ͬͱ͍͍ݟੵΓΛ͓ग़͠Ͱ͖ΔͣͰ͢ɻʯސ٬߅ΛΊͨɻ൴ ཧղͨ͠ͷͩɻ ͦͷͱ͖ࢲͱͯͤͳؾʹͳͬͨɻϓϩάϥϚͨͪࣗΒ্ཱͪ ͕ͬͨͷͰ͋Γɺࢲ͕͓હཱͯͨ͠ͷͰͳ͍ͱ͍͏͜ͱ͕ॏཁͩɻͦͷ
ॠ݈ؒશͳਓؒؔΛཱ֬͢Δ͢Β͍͠νϟϯεͩͬͨɻ ʰXPΤΫετϦʔϜϓϩάϥϛϯάద༻ฤʱΑΓ
ͦΕҎདྷɺ91ʹҠߦ͢Δ͜ͱʹ͔ͨ͠ͳΓͷͷνʔϜͱͱʹಇ ͖ɺ࿈བྷΛऔ͖ͬͯͨɻͦ͏͍ͯ͠Δ͏ͪʹɺࢲʮܶతॠؒʢUJQQJOH QPJOUʣʯɺͭ·ΓϓϩηεΛଓ͚Δͱͱ͍͍ͯνϟϯε͕ͬͯ͘Δͱ ͍͏͜ͱ͕͔ͬͨɻܶతॠؒ։ൃଆͷਓ͕ؒԡ͠ฦ͢ͱ͖ʹͬͯ͘ Δɻ։ൃଆ͕ԡ͠ฦͤͳ͚ΕɺϓϩηεόϥϯεΛࣦ͏ɻϓϩάϥϚ ͕͗͢ΔݟੵΓΛग़͠ɺίʔυͷ࣭͕མͪɺνʔϜ͕ঃʑʹͲΜఈ ͱͳͩΕࠐΜͰ͍͘έʔε͋Δɻ·ͨɺνʔϜ͕ϓϨογϟʔʹ͔͑ Ͷͯɺ͙͢ʹϓϥΫςΟε͔Βҳͯ͠͠·͏έʔε͋Δɻ 91ͰɺϏδωεଆͷྗͱ։ൃଆͷྗ͕ຊʹόϥϯεΛอ͍ͬͯͳ ͯ͘ͳΒͳ͍ɻʢதུʣʮܶతॠؒʯ͔ͳΒͣͬͯ͘Δɻࢲʹܶ
తॠ͕͔ؒΔɻͦͷҰॠͦ͜ɺ91ͷܧଓʹ͔ͬͯେ͖͘ඈ༂͢Δͱ ͖ͳͷͩɻ ʰXPΤΫετϦʔϜϓϩάϥϛϯάద༻ฤʱΑΓ
Α͋͘Δ࣭ 「この仕事、ケツが決まってるんで、言ってもムダでしょ?」 「納期とスコープが決まってても“アジャイル”できるんですか?」
ࢲқͨ͠
ͦΕͰ࢝͠ΊΑ͏ ༑ີ͞ͱ͍͏ͷɺ͍Ζ͍ΖͳࣦഊΛॏͶɺࣗͷ ೝΊΔ͜ͱͰɺٞͨ͠Γɺ͓ޓ͍Λࢥ͍ͬͨΓɺҰॹʹԿ͔Λ ߦͬͨΓ͢Δ͜ͱͰங্͖͛ΒΕΔͷͰ͢ɻͦΕʹྗͱ࣌ؒɺ ࣮͕ͦͯ͠͞ඞཁͰ͢ɻ͓ޓ͍ʹʹͳͬͯࣗΛ͞Β͚ग़͢ͱ ͍͏ϦεΫΛෛͬͯॳΊͯɺຊͷҙຯͷίϛϡχέʔγϣϯ͕ੜ ·ΕΔͷͰ͢ɻ ʰͦΕͰ࢝͠ΊΑ͏ʱΑΓ
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