『SHOWROOM』の大規模化に伴う技術課題のソリューション～演者・視聴者の熱量を支える負荷対策、HTML5対応など～/dena-techcon2018-showroom

by Shunta Iketaki

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ʰ4)08300.ʱͷେن໛Խʹ൐͏ ٕज़՝୊ͷιϦϡʔγϣϯ ʙ)5.-ରԠɺԋऀɾࢹௌऀͷ೤ྔΛࢧ͑Δෛՙରࡦʙ 4)08300.גࣜձࣾ ஑ୌढ़ଠ

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ϊϕϧςΟʔΛ༻ҙ͠·ͨ͠ʂ 2 ϚΠΫϩϑΝΠόʔΫϩε αΠϦ΢Ϝ

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ϒʔε΋༻ҙ͠·ͨ͠ʂ 3 Ώͬ͘Γ͍ͯͬͯ͠Ͷ

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ࣗݾ঺հ ஑ୌढ़ଠ w 4)08300.5FDI4UVEJP)FBE ܚጯٛक़େֶ؀ڥ৘ใֶ෦ଔۀ ೥%F/"৽ଔೖࣾ ೥݄ʙΤϯλʔςΠϯϝϯτࣄۀຊ෦ w ৽نࣄۀͷاըɾϓϩτλΠϓ։ൃʹܞΘΔ ೥݄ʙ4)08300.ʹҟಈ݄ࢠձࣾԽ w "OESPJEΞϓϦɺαʔόʔαΠυͷϦʔμʔΛܦͯɺݱࡏ͸αʔϏε։ ൃͷ෦ॺ4)08300.5FDI4UVEJPͷϚωδϝϯτΛߦ͍ͬͯΔɻ ίϯϐϡʔλͱԻָͱΤϯλʔςΠϯϝϯτ͕޷͖ɻ 4 !*LFUBLJ

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Ծ૝ϥΠϒۭؒʮ4)08300.ʯ

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˞౰೔͸͜͜Ͱө૾Λ࠶ੜ͠·ͨ͠

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ੜ์ૹͷΈɻԋऀͱࢹௌऀ͕ಉ࣌ؒ͡Λڞ༗͢Δ ͜ͱͰɺߴ͍ϑΝϯΤϯήʔδϝϯτΛੜΉ ΞΠυϧ΍λϨϯτɺΞʔςΟετͱϦΞϧλΠ ϜͰ࿩ͤͯɺΪϑςΟϯά΍ίϝϯτͰԠԉ͕ Ͱ͖ΔԾ૝ϥΠϒۭؒ4)08300. ಉظੑ ࢹௌऀͷ ՄࢹԽ ετʔϦʔ ૑ग़ ࢹௌऀͷ࢟΍໊લɺΞΫγϣϯΛՄࢹԽͯ͠ɺϢʔ βʔͷΤϯήʔδϝϯτ޲্Λࢧ͑Δ Πϕϯτ͕ϦΞϧυϥϚΛੜΈɺϑΝϯͷײ৘Ҡ ೖΛଅ͢

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ຊ೔͓࿩͢͠Δ͜ͱ w ೥݄ʹ্ཱͪ͛ˠαʔϏε։࢝೥໨ʹಥೖ ٕज़తෛ࠴΋ཷ·ͬͯ͘Δ ҰํɺαʔϏε͸੒௕த w ͲͷΑ͏ʹνʔϜ͕ઓ͖ͬͯͨͷ͔ɺ࣮ྫΛަ͑ͯ͝঺հ 8

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໨࣍ w ෛՙରࡦࣄྫ঺հʻαʔϏεͷάϩʔεͱى͖Δ໰୊ʼ w 1$൛ͷ)5.-Խʻ࠷৽ٕज़΁ͷ௥ैʼ w αʔϏεಛ௃ͱγεςϜͷಛ௃ w ࠓޙͷऔΓ૊Έ w ·ͱΊ 9

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ෛՙରࡦࣄྫ঺հ ʻαʔϏεͷάϩʔεͱى͖Δ໰୊ʼ

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4)08300.ͷΞʔΩςΫνϟ 11 w ओͳొ৔ਓ෺ <4FSWFS> w .Z42- .FNDBDIFE w 8FCɾ#BUDIɾ%BFNPOʢશͯ1FSMʣ w ϦΞϧλΠϜαʔόʮCDTWSʯʢ1VC4VCʣ w ಈը഑৴αʔόʔ8PX[Bʢ0SJHJO&EHFߏ੒ʣ <$MJFOU> w J04ΞϓϦɾ"OEPJSEΞϓϦɾ1$൛8FCΫϥΠΞϯτ

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4)08300.ͷෛՙରࡦ 12 ࠶དྷि͔Β͍·ͷഒͷ τϥϑΟοΫ͘ΔΑʔ w ೥ʙ݄ʹେ͖ͳΠϕϯτ͕͋Γɺͦͷ౰࣌ͷ໿ഒͷτϥ ϑΟοΫ͕ݟࠐ·Εͨ w ͦ͜ʹλʔήοτΛ߹Θͤͯɺେن໛ͳෛՙରࡦΛߦͬͨ

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<4FSWFS>ෛՙରࡦํ਑ 13 w ·ͣԿΑΓ΋8FCΛࢭΊͳ͍ ඇಉظԽͰ͖Δॲཧ͸ඇಉظԽ w ྫʣΪϑςΟϯάΞΫγϣϯͷ1VCMJTIॲཧ +PC2VFVFʹ&ORVFVF͠ɺ%FRVFVF͢Δ%BFNPOʹͯॲཧ w 2VFVFʹ͸2.Λར༻ w "1*νϡʔχϯά ΞΫηε਺ͷଟ͍ॱʹͭͭνϡʔχϯά "QBDIF#FODIΛ࢖͏

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<4FSWFS>ෛՙରࡦํ਑ 14 w #BUDI %BFNPOʹ͓͍ͯΫϦςΟΧϧͱͳΔͷ͸΄΅.Z42-΁ͷ ॏ͍ΫΤϦ ͜Ε΋ͭͭνϡʔχϯά͍ͯ͘͠ɺۜͷ஄ؙ͸ͳ͠ ա৒ʹTFMFDU͍ͯͨ͠ϨίʔυΛߜΓɺඞཁ਺ͿΜϨίʔυΛऔ Δ 0SEFSCZ ߜΓࠐΈΛ.Z42-ଆͰͤͣɺΞϓϦαʔόଆͰߦ͏ ΠϯσοΫε

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<4FSWFS>ෛՙରࡦํ਑ 15 w ಈը഑৴αʔόʔ͸ɺΦʔτεέʔϧ͕ޮ͘Α͏ʹͯ͋͠Δ w ࣄલʹେن໛഑৴͕Θ͔͍ͬͯΔ৔߹ɺΦʔτεέʔϧʹ͔͔Δ਺෼ͷ҆ఆ ੑΛ֬อ͢ΔͨΊɺࣄલʹखಈεέʔϧΞ΢τ͓ͤͯ͘͞ ϏδωεͷϝϯόʔΛ௨ͯ͠ґཔ͕͘Δɺτοϓίϯςϯπͷ৔߹͕ଟ͍ ґཔΛड͚ɺ4MBDLΛ༻͍ͨ$IBU0QTͰεέʔϧΞ΢τͰ͖ΔΑ͏ʹͯ͋͠ Δ 5XJUUFSͰ൓Ԡͷେ͖͞ΛݟΔ w ͦΕͰ΋ଟ͍৔߹͸ɺ$%/ʹྲྀͤΔΑ͏ʹ΋ͯ͋͠Δ ஗Ԇ͕গ͠େ͖͘ͳΔͷͰɺτϨʔυΦϑ

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<4FSWFS>ෛՙରࡦํ਑ 16 w ഑৴αʔόʔͷ4IBSEJOHͷ༷ࢠ w ഑৴͝ͱʢʹϧʔϜ͝ͱʣʹɺ4IBSEׂ͕Γ౰ͯΒΕΔ

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<$MJFOU>ෛՙରࡦํ਑ 17 w 04ػछ΍ը໘ͷ޲͖௨ৗ഑৴ɾ73ͳͲͷύλʔϯΛ໢ཏతʹ ݕূ͠ɺ໰୊Λચ͍ग़ͯ͠௵͍ͯ͘͠

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<$MJFOU>ෛՙରࡦํ਑ 18 w ϧʔϜʹେྔͷࢹௌऀ͕͍Δߴෛՙঢ়گΛγϛϡϨʔγϣϯ w ߴෛՙঢ়گΛอͪͳ͕Β֤छϢʔβʔૢ࡞ɺ௕࣌ؒͷεϜʔζͳࢹௌ͕Ͱ ͖Δ͔΋ݕূ͍ͯ͘͠ $16ෛՙͷϞχλϦϯάʢ"OESPJE4UVEJP 9DPEFʣ w Ϊϑτɺίϝϯτͷ௨஌͕ଟ͗ͯ͢͞͹͖͖Εͳ͍ɺͳͲ (16ෛՙͷϞχλϦϯάʢ9DPEFʣ w 4)08300.Ͱ͸େྔͷΞόλʔɾΪϑτͷඳըΛ0QFO(-ϨΠϠʔͰߦ͍ͬͯ Δ ಈըΛ࠶ੜ͠ଓ͚ɺࢭ·ͬͨΓΧΫ͍ͭͨΓ͠ͳ͍͜ͱΛݕূ

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<$MJFOU>ෛՙରࡦํ਑ 19

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ߴෛՙγϛϡϨʔγϣϯ 20 w w Լهͷಈ࡞Λ͢ΔϓϩηεΛଟ਺࡞੒͢ΔεΫϦϓτ ίϝϯτ ΪϑςΟϯά ςϩοϓ ࢧԉήʔδ Ξόλʔͷฒͼॱߋ৽ w େྔͷϢʔβʔ͕େྔͷΞΫγϣϯΛ͢ΔϧʔϜ͕Ͱ͖Δ w ੎͍΋਺ύλʔϯ༻ҙ͢Δ ঃʑʹPSಥൃత $ srsys_perl live_load_test.pl [ROOM_ID] ίϝϯτ Ϊϑτ Ϊϑτ ίϝϯτ ࢧԉήʔδ Ξόλʔͷฒͼ ςϩοϓ

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ߴෛՙγϛϡϨʔγϣϯ 21 w ͜ͷߴෛՙγϛϡϨʔγϣϯͷ࢓૊Έ͸ɺ೔ৗతʹ2"ʹ༻͍͍ͯ Δ w ϧʔϜ಺ͷ࣮૷Λେ෯ʹมߋͨ͠ͱ͖ͳͲͷ࠶ݕূʹ໾ʹཱͭ

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ίϝϯτʹ͍ͭͯ 22 w ίϝϯτͷ૯ྔଟ͗ͨ͢৔߹ɺΫϥΠΞϯτͷෛՙΛԼ͛ΔͨΊʹ ؒҾ͍͍ͯΔ৔߹΋͋Δ ؒҾ͘ϩδοΫ͸౎౓มߋ͍ͯ͠Δ w Ϊϑτ΍ίϝϯτྔʹΑͬͯදࣔͷ༏ઌॱҐ͸ߴ͍ͯ͘͠ΔʢΞόλʔͷ දࣔॱͱಉ͡࢓૊ΈͳͷͰɺΞόλʔ͔Βίϝϯτ͕ਧ͖ग़͠Ͱݟ͑ΔΑ ͏ʹʣ

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ॱ෩ຬൕ ൒೥ʙ೥΄Ͳܦͪɺো֐͍Ζ͍Ζ ͜ΕΒΛࢪ͠ɺ͏·͍ͬͨ͘

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Ұఆ࣌ؒ8FC͕Ԡ౴͠ͳ͍ো֐ 24 w ೥݄ɺτοϓίϯςϯπʹΑΔେن໛ͳϢʔβʔྲྀೖ w %#ͷෛՙ͕ߴ·Δ͜ͱʹΑͬͯҾ͖ى͜͞Εͨ w ݪҼ͸ɺΠϕϯτػೳʹ͓͚ΔϙΠϯτूܭͷΫΤϦ͕ॏ͘ɺଞ ΛҾ͖ͣͬͯ8FC͕٧·ͬͨ

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8FCͷվमޙɺҰఆͷ࣌ࠁʹ8FCͷෛՙ͕ߴ·Δ 25 w 1$൛ͷॲཧΛվम͕ͨ͠ɺ೔͝ͱʹ࿈ଓͰߴෛՙΞϥʔτ w ֘౰෇ۙͰଟ͘ίʔϧ͞Ε͍ͯΔ"1*Λௐࠪ w "QBDIF#FODIͰݕূͨ͠ͱ͜ΖɺੑೳྼԽ͠΍͍͢"1*͕͋ͬͨ w ωΨςΟϒΩϟογϡ͕ޮ͍͓ͯΒͣɺຖճ%#ΞΫηεΛ͍ͯ͠ ΔՕॴ͕ ωΨςΟϒΩϟογϡʜ%#ʹσʔλ͕ଘࡏ͠ͳ͍͜ͱΛΩϟο γϡ͢Δ͘͠Έ

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ͳͥى͖ͨͷ͔ 26 w Πϕϯτͷ੝Γ্͕ΓʹΑΓɺؔ࿈σʔλྔ͕ஶ͘͠૿Ճͨ͠ w ·ͱ·ͬͨෛՙରࡦ1+ޙʹ΋ػೳվम͸ܧଓ͞ΕΔ ܧଓతʹ΍͍͔ͬͯ͘͠ͳ͍

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ෛՙରࡦษڧձΛ΍ͬͨ ࣾ಺υΩϡϝϯτ͚ͩͰͳ͘ɺ͔ͬ͠ΓνʔϜશһͰৼΓฦΔ ΫϥΠΞϯταΠυͷਓʹͱͬͯ΋ֶͼ͕͋Δ 27 "1*ίʔϧΛͰ͖Δ͚ͩݮΒͦ͏ λΠϛϯάΛͣΒͤΔΑ͏ʹ޻෉͠Α͏

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1$൛ͷ)5.-Խ ʻ࠷৽ٕज़΁ͷ௥ैʼ

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1$൛ 29

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ʊਓਓਓਓਓਓਓਓਓਓਓʊ ʼɹ"EPCF'MBTI1MBZFSɹʻ ʉ:?:?:?:?:?:?:?:?:?:ʉ

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"EPCF'MBTI1MBZFS w ೥݄ͷϦϦʔε͔࣌Β1$൛ʹͯ࢖༻ ΞόλʔɾΪϑτͳͲͷෳࡶͳΞχϝʔγϣϯ 4PDLFU௨৴ʹΑΔ1VC4VCαʔόͱͷ΍ΓͱΓ 31 35.1ϓϩτίϧʹΑΔಈը഑৴ʗࢹௌ

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ʢͱ͜ΖͰʣಈըετϦʔϛϯάͷϓϩτίϧʹ͍ͭͯ w ͍͔ͭ͋͘Δ͕ɺଟΫϥΠΞϯτʹ഑৴͢Δ΋ͷͰ͸Լهͷ͕ͭ ओྲྀ 35.1 )-4 .1&(%"4) w )551ϕʔε 32

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)-4 .1&(%"4) 33 w )-4 "QQMF )551ϕʔεʢ˺ϦΫΤετ୯ҐͰө૾Λड৴ʣ ݱࡏ޿͘࢖ΘΕ͍ͯΔ w .1&(%"4) *40ඪ४ن֨ )551ϕʔε ࠷ۙ੝Γ্͕͖͍ͬͯͯΔ

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35.1 34 w 3FBM5JNF.FTTBHF1SPUPDPM ϦΞϧλΠϜʹԻ੠΍ಈըͳͲΛ΍ΓͱΓ͢ΔͨΊͷετϦʔϛϯάϓϩ τίϧ w "EPCF͕ࣾ։ൃ w 35.14ʗ35.'1ͳͲͷมछ͕͋Δ 5$1ͷ্ʹ࣮૷͞Ε͍ͯΔ ஗Ԇ͕গͳ͍ w 'MBTI1MBZFSͰΧϝϥɾϚΠΫΛѻ͏͜ͱͰɺϒϥ΢β্Ͱ഑৴ଆ΋Ͱ͖Δ

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"EPCF'MBTI1MBZFS 35 w ೥݄ͷϦϦʔε͔࣌Β1$൛ʹͯ࢖༻ ΞόλʔɾΪϑτͳͲͷෳࡶͳΞχϝʔγϣϯ 4PDLFU௨৴ʹΑΔ1VC4VCαʔόͱͷ΍ΓͱΓ w ίϝϯτɾΪϑτͷ௨஌ɺετϦʔϛϯά63-ͷมߋ௨஌ͳ Ͳɺ༷ʑͳ༻్ʹར༻ w 35.1ϓϩτίϧʹΑΔಈը഑৴ʗࢹௌ wྑ͍ιϦϡʔγϣϯͰ͸͋ͬͨ΋ͷͷɺ8FCඪ४ͷྲྀΕɺ ηΩϡϦςΟతͳݒ೦΋͋ΔͷͰɺ)5.-ʹҠߦΛߦ͏

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ΞόλʔɾΪϑτͷඳը 36 w 1JYJ+4Λ༻͍͍ͯΔ lUIFGBTUFTU NPTUqFYJCMF%8FC(-SFOEFSFS IUUQXXXQJYJKTDPN νϡʔχϯάΛߦͬͨ݁ ՌɺύϑΥʔϚϯεΛग़͠ ͭͭ΋ɺΑΓͳΊΒ͔ͳΞ χϝʔγϣϯ΋࣮ݱͰ͖ͨ

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1VC4VCαʔόͱͷ΍ΓͱΓ 37 w ίϝϯτ΍ΪϑτͷϦΞϧλΠϜ1VC4VCͷػೳʹ͸CDTWSͱ͍͏ ϓϩμΫτΛ࢖͍ͬͯΔ %F/"੡ͷϓϩμΫτɻ5$1ͷ্ͰɺςΩετϕʔεͷϓϩτί ϧͰ1VC4VCΛ࣮ݱ͢Δ w CDTWS͸ɺੜͷ5$1ͷଞʹ8FC4PDLFUΛ͠Ό΂Δ͜ͱ͕Ͱ͖Δͷ Ͱɺ8FC4PDLFUͰ࣮૷ͯ͠ղܾ

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+BWBTDSJQUಈըϓϨʔϠʔͷ࣮૷ w Λ͔࣮ͭͬͯ૷ w IUUQTHJUIVCDPNWJEFPEFWIMTKT w +BWB4DSJQU)-4DMJFOUVTJOH.FEJB4PVSDF&YUFOTJPO 38

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͕ɺ໰୊΋͋Δ w ஗Ԇ͕୹͘ͳΓ͖Βͳ͍໰୊ ΫϥΠΞϯτʢIMTKTͷνϡʔχϯάʣʗ഑৴αʔόʔ w όοϑΝϦϯάͷ࠷దԽ w νϟϯΫͷ࠷దԽ νϟϯΫࡉ੾Εʹͳͬͨө૾σʔλ ݱࡏ։ൃɾݕূதͰ͢ 39

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αʔϏεͷಛ௃ɺγεςϜͷಛ௃

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αʔϏεͷಛ௃ w ࢹௌऀɾԋऀͷΤϯήʔδϝϯτ͕ߴ͍ ୯Ґ࣌ؒʹ͔͚Δ೤ྔ͕ߴ͍ w اۀϛογϣϯʮ౒ྗ͕ϑΣΞ ެਖ਼ ʹใΘΕΔࣾձΛ૑Δʯ Ұ࣌తʹαʔϏε͕μ΢ϯͨ͠ͱͯ͠΋ɺ͋Δԋऀɺࢹௌऀʹ ͱͬͯ͸க໋త͔΋͠Εͳ͍ 41

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αʔϏεͷಛ௃͔ΒγεςϜͷಛ௃͕ݟ͑ͯ͘Δ w ԿΑΓ΋ಈըͷࢹௌ͕େࣄɺԋऀͱࢹௌऀͷΤϯήʔδϝϯτΛ อͭ w ͞Βʹɺө૾ɺίϝϯτͳͲΛ஗Ԇͤ͞ͳ͍͜ͱ͕େࣄ ΠϯλϥΫςΟϒੑ͕མͪΔ͜ͱͰɺΤϯήʔδϝϯτ͕མͪ ͯ͠·͏ ө૾ΧΫ͚ͭͩ͘Ͱɺҙ͕ࣝԋऀ͔ΒγεςϜͷํʹ޲͍ͯ͠ ·͏ w ഑৴ऀ͖͔͚ͬͰٸʹෛՙ͕૿େ͢Δ 42

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αʔϏεͷಛ௃͔ΒγεςϜͷಛ௃͕ݟ͑ͯ͘Δ w ԋऀͱࢹௌऀͷΤϯήʔδϝϯτΛ࠷େԽ͢ΔɺγεςϜ্ͷʮࢥ ͍΍ΓʯΛେࣄʹ͍ͨ͠ ෛՙରࡦΛ͔ͬ͠Γ͠ɺͰ͖Δ͚ͩαʔϏεΛམͱ͞ͳ͍ w ͱ͸͍͑ɺམͪΔ΋ͷ͸མͪΔ w ͦ͏ͳͬͨΒɺΤϯήʔδϝϯτΛյ͞ͳ͍ͱ͜Ζ͔Β௵͍ͯ͘͠ ө૾͸कΓ͍ͨ 35.1ˠ)-4Ҡߦʹ͓͚Δ஗Ԇͷ໰୊ 43

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ཷ·͍ٕͬͯ͘ज़తෛ࠴ w σʔλྔ૿ՃʹΑΔΫΤϦνϡʔχϯάͷ໰୊ w ٕज़ͷϨΨγʔԽ 44

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Ͱ΋αʔϏε͸੒௕ w ٕज़తෛ࠴ͷରࡦΛ͠ͳ͕ΒϢʔβʔମݧΛ޲্ͤ͞Δ ͚Ͳண࣮ʹࢹௌऀɾԋऀͷΤϯήʔδϝϯτΛࢧ͍͑ͨ ίʔυͷྺ࢙ʹܟҙΛ͜Ίͯɺߋ৽͍ͯ͘͠ w ·ͩ·ͩγεςϜͷ҆ఆੑɺػೳʹΑΔՁ஋΋૿͍ͨ͠ ৽ٕज़ɺ৽ΞʔΩςΫνϟʹΑΔػೳ΋Ӷҙ։ൃத ྗڧ͍ϓϩμΫτϚωδϝϯτ 45

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͓·͚"*؂ࢹʹ͍ͭͯ

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εέʔϧʹ͓͚Δ໰୊ίϯςϯπͷ؂ࢹ 6($ʢ6TFS(FOFSBUFE$POUFOUTʣΛੜΉαʔϏεʹ͓͍ͯ ͸ɺ഑৴ɾ౤ߘ͞Εͨίϯςϯπ͕ϙϦγʔҧ൓͍ͯ͠ͳ͍͔ ͷ؂ࢹ͕ॏཁ 4)08300.Ͱ͸ϦΞϧλΠϜͰ؂ࢹ͢΂͖΋ͷ͕ଟ͍ w ʲ഑৴ऀʳ഑৴ಈըͷ಺༰ w ʲࢹௌऀʳϦΞϧλΠϜίϝϯτͳͲ ಛʹ഑৴਺͕૿͑ɺ഑৴ಈը಺༰ͷ؂ࢹ޻਺໰୊͕ਂࠁʹ w $4͕࣌ؒ೔؂ࢹ͍ͯ͠ΔͨΊ 47

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"*ʹΑΔҧ൓ը૾൑ఆγεςϜΛಋೖ ը૾ͷҧ൓౓൑ఆ ϥΠϒதͷશಈըΛఆظతʹΩϟϓνϟͯ͠ɺχϡʔϥϧωο τϕʔεͷ൑ఆث"1*ʹ͔͚Δόον 48 #BTF Ͱೖྗ Ωϟϓνϟͨ͠ը૾ YQY ҧ൓౓൑ఆث"1* 4MBDLʹ௨஌ )-4ετϦʔϜ ը૾ͷநग़ ϦαΠζ ''NQFH 'FUDI

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"*ʹΑΔҧ൓ը૾൑ఆγεςϜΛಋೖ "*γεςϜ෦ͱڠྗͯ͠։ൃʢ൑ఆث"*γεςϜαʔϏεಋೖ43ʣ :BIPP͕࡞੒ͨ͠PQFOOTGX͕ϕʔεʹͳ͍ͬͯΔ w IUUQTHJUIVCDPNZBIPPPQFO@OTGX ʮٙΘ͖͠͸Ξϥʔτʯͷํ਑ w ϙϦγʔͱͯ͠ɺʮਓ͕ؒݟམͱ͢͜ͱ΁ͷαϙʔτΛ͢Δʯʹప͢Δ w ௨஌͞Εͨը૾͸ɺਓͷ໨ʹΑͬͯ࠶౓൑ఆ͞Εɺద੾ͳαʔϏεରॲΛ͢Δ ݱࡏ͸ਫ਼౓ͷݕূΛ͍ͯ͠Δஈ֊ ࠓޙɺ$4ͷ؂ࢹϑϩʔʹ૊ΈࠐΜͩΓɺαʔϏεͷ؅ཧը໘ʹಋೖ͢Δ ͳͲ͍͖͍ͯͨ͠

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·ͱΊ

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େࣄͳ͜ͱ αʔϏεͷಛੑɺγεςϜͷಛੑΛνʔϜશһ͕ཧղ͢Δ͜ͱ αʔϏεΛ࡞Δͷ͸ָ͍͠ 51

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ؔ࿈͢ΔτʔΫ $BTVBM5BMLʙ w 4)08300.ͷΠϊϕʔγϣϯΛՃ଎ͤ͞ΔͨΊͷϚΠΫϩαʔϏεͷ औΓ૊Έʢࢤਫཧ࠸ʣ #-6&4UBHFʙ w %F/"ͷେن໛ϥΠϒ഑৴ج൫Λࢧ͑Δٕज़ʢ׽༞հʣ 52

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4)08300.ͷٕज़తऔΓ૊Έʹ͍ͭͯ͸ 5FDI#MPHɺ͸͡Ί·ͨ͠ w IUUQUFDITIPXSPPNDPKQ ·ͩ࢝Ίͨ͹͔ΓͰهࣄ਺͕গͳ͍ͷͰɺ͜Ε͔Βॆ࣮ͤͯ͞ ͍͖·͢ 53

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͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ ϒʔε΋ݟ͍ͯͬͯͶ