StoreKit 2によるモダンなアプリ内課金

by Shetommy

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4UPSF,JUʹΑΔ ϞμϯͳΞϓϦ಺՝ۚ 5SBDL#

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࣯ ͠ͱΈ w ΍ͬͱJ04ωλΛ࿩ͤΔͱ͖͕དྷ·ͨ͠ w ݱࡏOPUFࣾͰۈ຿ w ݸਓ։ൃͰͭΞϓϦΛग़͠·ͨ͠ IUUQTXXXTIFUPNNZDPN 1JFDFTPG1BQFS 8SJTU$PVOUFS 2 .5JNFS

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4UPSF,JUͰϓϩϙʔβϧ͕ͭʂ ͍͍ͬͨ୭͕࠾୒͞ΕΔΜͩʜʜ 3

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શһ࠾୒ 4

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ʢ࿩͢͜ͱʣ w OPUFΞϓϦͷϙΠϯτ՝ۚ࢓༷ w 4UPSF,JUͱ4UPSF,JUͷൺֱ w 4UPSF,JUʹΑΔ࣮૷ w ςετ w ϋϚΓϙΠϯτ ʢݕূ؀ڥʣ J049DPEF 5

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6 OPUFΞϓϦͷϙΠϯτ՝ۚ࢓༷

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7 ͦͷલʹ

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8 🙋,JOEMFͷJ04"OESPJEΞϓϦʹ ߪೖػೳ͕ͳ͍ͷΛ ஌͍ͬͯ·͔ͨ͠ʁ

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9 🙋OPUFͷJ04"OESPJEΞϓϦʹ ߪೖػೳ͕ͳ͔ͬͨͷΛ ೝ͍ࣝͯ͠·͔ͨ͠ʁ

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10 ͳ͔ͥ

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11 "QQMF੫

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w ΞϓϦ಺՝ۚͷച্ͷ͸"QQMFͷख਺ྉ w ΞϓϦ಺Ͱ֎෦ܾࡁʹ༠ಋ͢Δ͜ͱ͸ېࢭ w &6ݍͰѹྗ͕͋ͬͨͨΊɺ֎෦ܾࡁͷ࢓૊Έ͕ಋೖ w 4UPSF,JU&YUFSOBM1VSDIBTF-JOL&OUJUMFNFOU w &6ݍҎ֎Ͱ΋ར༻͕ղې͞Ε͍ͯΔʢΞϝϦΧʣ w ˞֎෦ܾࡁͰ΋ख਺ྉ w ։ൃऀ΋"QQ4UPSFͷܾࡁαʔϏεʹΑͬͯϝϦοτ͸ड͚͍ͯ·͢ w ߪೖ࣌ͷ6*69Λ"QQMF͕࠷దԽ w ੈք֤ࠃͷ௨՟੫ۚରԠ w ෆਖ਼ʹର͢Δ҆શੑ w ฦۚϦΫΤετͷॲཧ w αϒεΫϦϓγϣϯͷ؅ཧ w FUD ΞϓϦ಺՝ۚख਺ྉ໰୊ 12

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OPUFΞϓϦͷϙΠϯτ՝ۚ࢓༷ 13 ϙΠϯτ noteهࣄ ԁϙΠϯτ ʢߪೖ࣌ʹख਺ྉ্৐ͤʣ

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14 4UPSF,JUͱ4UPSF,JUͷൺֱ

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w ࠓ͔Β՝ۚػೳೖΕΔͳΒ4UPSF,JU w ઃܭ͕Θ͔Γ΍͘͢ͳͬͨ w ϋϯυϦϯά͕೉͔ͬͨ͠0CTFSWFSύλʔϯ͔Β4XJGU$PODVSSFODZϕʔεʹ w Ϩγʔτݕূϓϩηε͕؆ུԽ w 4UPSF,JU͕Ϩγʔτݕূ·Ͱ΍ͬͯ͘ΕΔ w ⚠4UPSF,JU͸J04Ҏ্Ͱ͋Δඞཁ͕͋Δ w ʢBTZODBXBJUϕʔεͰॲཧ͢Δ͜ͱʹͳΔͨΊʣ 㱺೥࣌఺ͩͱɺOPUFͷJ04ΞϓϦ͸J04Ҏ্ରԠͩͬͨͷͰɺ ɹ՝ۚػೳ࣮૷ͷલʹԼҐόʔδϣϯ੾ΓΛߦ͍·ͨ͠ w ࠓͳΒ4XJGU$PODVSSFODZͷಋೖͷํ͕นʁ 4UPSF,JUͱ4UPSF,JUͷൺֱ 15

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16 4UPSF,JUʹΑΔ࣮૷

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w "QQ4UPSF$POOFDU͔Β՝ۚΞΠςϜΛొ࿥͢Δ w ՝ۚΞΠςϜͷ৹͕ࠪൃੜ͢Δ w ࠷ॳͷ՝ۚΞΠςϜ͸ΞϓϦຊମͷόʔδϣϯΞοϓ΋ඞཁ w Ұ౓ঝೝ͞Εͨޙ͸՝ۚΞΠςϜͷΈͷਃ੥͕Մ ʢ˞ཹҙࣄ߲͕͋ΔͷͰޙड़ʣ w ՝ۚΞΠςϜʹ͸ҎԼͷछྨ͕͋ΔͷͰɺ༻్ʹԠͯ͡બ୒ w ফ໣ܕ ྫ ΞϓϦ಺௨՟ɺήʔϜ಺ΞΠςϜͳͲ w ඇফ໣ܕ ྫ ޿ࠂඇදࣔΦϓγϣϯͳͲ w ࣗಈߋ৽αϒεΫϦϓγϣϯ ྫ ݄࣍ߋ৽ͷαϒεΫαʔϏεͳͲ w ඇߋ৽αϒεΫϦϓγϣϯ ྫ ࣗಈߋ৽ͳ͠ͷαϒεΫͷ೥࣍ύεͳͲ ՝ۚΞΠςϜͷొ࿥ 17

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՝ۚΞΠςϜҰཡͷදࣔ ߪೖॲཧ 18 ΞΠςϜͷߪೖ

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iOS App ࣾ಺ Server 1. product_idΛऔಘ 2. ProductΛऔಘ ঎඼ product_id 100ϙΠϯτ xxx.xxx.xxx.100 300ϙΠϯτ xxx.xxx.xxx.300 … … … … ঎඼ product_id displ a yPrice 100ϙΠϯτ xxx.xxx.xxx.100 ¥140 300ϙΠϯτ xxx.xxx.xxx.300 ¥420 … … … … … … ࣾ಺DB App Storeͷొ࿥৘ใ ՝ۚΞΠςϜҰཡͷදࣔ

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͜Ε͚ͩͰ"QQ4UPSFʹొ࿥͞Εͨ՝ۚΞΠςϜͷҰཡ͕औΕΔ ՝ۚΞΠςϜҰཡͷදࣔ 20

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iOS App ࣾ಺ Server 1. product_idΛ࢖ͬͯߪೖϦΫΤετ 2.ߪೖ੒ޭͷϨεϙϯε͕དྷΔ 3.ϨεϙϯεதͷJWSτʔΫϯΛૹΔ ※JWS: JSON Web Sign a ture 5.ߪೖτϥϯβΫγϣϯΛऴྃ͢Δ ΞΠςϜͷߪೖ 4.ݕূOK (ফ໣ܕΞΠςϜҎ֎͸ཁεςʔλενΣοΫ)

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ΞΠςϜͷߪೖ 22 ʙߪೖϦΫΤετͱϨεϙϯε ˞4UPSF,JU͸ߪೖ΍αϒεΫߋ৽Λ5SBOTBDUJPOͱͯ͠ந৅Խ͍ͯ͠Δ

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ΞΠςϜͷߪೖ 23 ʙϨγʔτݕূ

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ফ໣ܕΞΠςϜҎ֎ 24 DVSSFOU&OUJUMFNFOUTͷνΣοΫ

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DVSSFOU&OUJUMFNFOUT 25 w ඇফ໣ܕˍαϒεΫ͸DVSSFOU&OUJUMFNFOUTʹ࠷৽τϥϯβΫγϣϯ͕ೖΔ w ߪೖޙʹࢀরͯ͠ػೳΛΞϯϩοΫ͢Δ w ʢҎԼɺະݕূͷެࣜυΩϡϝϯτͷهड़ʣ w ฦۚ΍ղ໿ͷτϥϯβΫγϣϯ͸ೖΒͳ͍ w ·ͨফ໣ܕΞΠςϜ΋ೖΒͳ͍ w ະऴྃτϥϯβΫγϣϯ͕ཉ͍͠৔߹͸ҎԼΛࢀর͢Δ w 5SBOTBDUJPOVO fi OJTIFE w 5SBOTBDUJPOBMM

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26 Ϩγʔτݕূ͕ͲΕָ͚ͩʹͳ͔ͬͨ

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w ΞϓϦ্ͰϨγʔτ৘ใΛऔಘ w ͦͷΞϓϦʹඥͮ͘աڈͷߪೖ৘ใ͕͢΂ͯೖͬͨ΋ͷ w αϒεΫϦϓγϣϯ͕͋ΔͱಛʹංେԽ͢Δ w #"4&ͰΤϯίʔυ͢Δ w ஫จ൪߸ͱ߹ΘͤͯαʔόʔʹૹͬͯɺWFSJGZ3FDFJQUΤϯυϙΠϯτΛୟ͍ͯϨγʔτݕূɹ ˞ϩʔΧϧͰ΋؆қͳݕূ͸ՄೳΒ͍͠ w αʔόʔαΠυͰ֤छ%#ߋ৽ Ϩγʔτݕূ͕ͲΕָ͚ͩʹͳ͔ͬͨʢ4UPSF,JU࣌୅ʣ 27 $MBVEFʹੜ੒ͯ͠΋Βͬͨίʔυྫ

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w 4UPSF,JU͕Ϩγʔτݕূ·Ͱ΍ͬͯ͘ΕΔ w ݕূ݁Ռ͸+84τʔΫϯͱͯ͠ೖͬͯ͘Δ Ϩγʔτݕূ͕ͲΕָ͚ͩʹͳ͔ͬͨʢ4UPSF,JUʣ 28 w αʔόʔαΠυͰࣾ಺%#΁ͷ൓өΛ͢Δ৔߹ɺͦͷ+84τʔΫϯΛ࢖͏ w +84τʔΫϯͷσίʔυ w "QQMFެ։伴ͷऔಘ w +84τʔΫϯͷॺ໊ݕূ w +84ϖΠϩʔυͷத਎Λݕূ

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29 த਎ͷΠϝʔδ ʢ˞࣮ࡍͷߪೖϨεϙϯεͰ͸͋Γ·ͤΜʣ

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w ϨγʔτΛ௚઀ѻΘͳͯ͘ྑ͘ͳͬͨ w #"4&͔Β+84ԽͰ௨৴͕ηΩϡΞʹͳͬͨ w #"4&͸୯ͳΔΤϯίʔυ w ҉߸ԽͰ΋ͳ͍ w +84͸σδλϧॺ໊ΞϦ Ϩγʔτݕূ͕ͲΕָ͚ͩʹͳ͔ͬͨ·ͱΊ 30

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31 ͦͷଞ࣮૷͕ඞཁͱͳΔϙΠϯτ

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32 ϦεφʔλεΫͷੜ੒

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ϦεφʔλεΫͷੜ੒ 33 w ΞϓϦ֎Ͱߪೖؔ࿈ͷΠϕϯτ͕ൃੜ͢Δ͜ͱ͕͋Δ w ϖΞϨϯλϧίϯτϩʔϧʢ"TLUP#VZʣͷঝೝ w αϒεΫϦϓγϣϯΦϑΝʔίʔυͷར༻ w "QQ4UPSFΞϓϦܦ༝ͷߪೖ w ผσόΠεͷΞϓϦ಺ߪೖ w "QQ%FMFHBUFͳͲΞϓϦͷϧʔτʹ͍ۙͱ͜ΖͰ ϦεφʔλεΫΛੜ੒ͯ͠ 5SBOTBDUJPOVQEBUFTΛ؂ࢹ͢Δ ʢ4UPSF,JUͷ4,1BZNFOU5SBOTBDUJPOʹ૬౰ʣ

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34 ϦετΞॲཧ

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w ϦετΞॲཧͱ͸ w ԿΒ͔ͷཧ༝ͰΞϓϦ಺Ͱ"QQ4UPSFͷߪೖঢ়گ͕൓ө͞Ε͍ͯͳ͍৔߹ʹ ਖ਼͍͠ߪೖঢ়گΛ൓өͤ͞Δॲཧ w αϒεΫϦϓγϣϯͰ͸ಛʹ໰୊ʹͳΔ w ࠓճ͸ফ໣ܕΞΠςϜͷΈͩͬͨͷͰ͋·Γߟ͑ͣ w ඇফ໣ܕαϒεΫϦϓγϣϯ͕͋Δ৔߹͸ϢʔβʔΞΫγϣϯ͕༻ҙ͞Ε͍ͯΔͱ਌੾ w "QQ4UPSFTZOD ͱ͍͏ϝιου͕ఏڙ͞Ε͍ͯΔ ϦετΞॲཧ 35

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36 αʔόʔαΠυ

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w "QQ4UPSF4FSWFS"1* w ΞϓϦ಺՝ۚʹؔ͢Δ৘ใΛऔಘ͢ΔͨΊͷ3&45"1* w "QQ4UPSF4FSWFS/PUJ fi DBUJPOT w ΞϓϦ಺՝ۚͷΠϕϯτΛϦΞϧλΠϜʹ؂ࢹ͢Δ ྆ํઃఆ͍ͯ͠Δ͕ɺ"QQ4UPSF4FSWFS"1*͸౷ܭͷΈʹར༻ʁ αʔόʔαΠυ 37

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w ฦۚϦΫΤετͱαϒεΫϦϓγϣϯͷεςʔλεมߋͷ؂ࢹ͕ͪ͜Β w IUUQTSFQPSUBQSPCMFNBQQMFDPNͰฦۚཁٻͰ͖Δ w ΞϓϦ֎ฦۚϦΫΤετΛ؂ࢹ͢ΔͨΊͷ།Ұͷखஈʁ w "QQ4UPSF$POOFDU͔Β௨஌ड৴63-ͷઃఆ͕ඞཁ w αʔόʔαΠυͷ࣮૷͸ຊηογϣϯͷର৅֎ "QQ4UPSF4FSWFS/PUJ fi DBUJPOT 38

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39 ςετ

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௨Γͷςετํ๏͕͋Δ 4UPSF,JU5FTUҎ֎͸γϛϡϨʔλʔෆՄ w ຊ൪؀ڥ w ຊ൪Ͱςετͯ͠ɺ"QQMFʹฦۚϦΫΤετΛ͢Δ w 4BOECPY؀ڥ w 4BOECPYΞΧ΢ϯτΛ࡞੒ͯ͠ɺΞϓϦ಺ߪೖ͢Δ w 5FTU'MJHIU w 5FTU'MJHIUΞϓϦͰͷߪೖ͸͢΂ͯ4BOECPYѻ͍ͱͳΔʢศརʂʣ w 4UPSF,JU5FTUͷ׆༻ w 9DPEFͰઃఆͨ͠ετΞઃఆͰςετ͕Մೳʢޙड़ʣ w ՝ۚؔ࿈ͷςετίʔυΛॻ͚Δ🙌 w ݫີʹ͸4UPSF,JUͷલʹఏڙ͞Ε͍ͯͨ໛༷ʢ9DPEF͔Βʣ ςετ 40

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41 4UPSF,JU5FTU

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4UPSF,JU5FTU 42 ઃఆϑΝΠϧ

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4UPSF,JU5FTU 43 ϩʔΧϧϏϧυͰࢼ͢৔߹

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4UPSF,JU5FTU 44 ςετίʔυͷ৔߹

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4UPSF,JU5FTUͷϝϦοτ 45 w ΞϓϦଆͷ՝ۚϩδοΫΛ͓खܰʹࢼͤΔ w ࠶ݱͮ͠Β͍εςʔλε΋ࢼͤΔ w αϒεΫϦϓγϣϯͷߋ৽ظݶ੾Ε w τϥϯβΫγϣϯͷঝೝɾڋ൱ w ฦۚτϥϯβΫγϣϯ w %FCVH4UPSF,JU.BOBHF5SBOTBDUJPOT

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ͨͩ͠ 46 w ਖ਼௚͋·Γ׆༻Ͱ͖͍ͯͳ͍ w αϒεΫϦϓγϣϯ͕͋ͬͨΒʜʜ w ՝ۚͰ໰୊͕ى͜Δͷ͸"QQ4UPSFαʔόʔͱͷ࿈ܞ͕བྷΉͱ͜ΖͳͷͰɺ ͋·Γ4UPSF,JU5FTUͰݕ஌Ͱ͖ͳ͍ҹ৅ w Կݸ͔ςετέʔε௥Ճͨ͠ఔ౓

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47 ϋϚͬͨͱ͜

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w՝ۚΞΠςϜΛ࡟আͨ͠ΒJE͕ೋ౓ͱ࢖͑ͳ͘ͳΔ࢓༷ w՝ۚΞΠςϜͷ௥Ճਃ੥ͰϦδΣΫτ ϋϚͬͨͱ͜ 48

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w ΞϓϦ಺՝ۚͷొ࿥࣌ʹϔϧϓʹ஫ҙॻ͖͕͋Δ Ϩϙʔτʹ࢖༻͞ΕΔݻ༗ͳӳ਺ࣈͷ*%Ͱ͢ɻ͋Δ੡඼ʹରͯ͠࢖༻ͨ͠੡඼*%͸ɺͦͷ੡඼ ͕࡟আ͞Εͯ΋࠶౓࢖༻͢Δ͜ͱ͸Ͱ͖·ͤΜɻ w 5FTU'MJHIU഑৴༻ʹຊ൪ΞϓϦͱEFWΞϓϦͰΘ͔Ε͍ͯΔ w EFWΞϓϦͷ՝ۚΞΠςϜʹޡͬͯຊ൪޲͚ͷJEͰొ࿥ͯ͠࡟আ 㱺ຊ൪ΞϓϦͰ΋JE͕࢖͑ͳ͘ͳͬͨ w ΞΠςϜΛ࡟আ͢ΔͱͦͷJE͸։ൃΞΧ΢ϯτʹඥ͍͍ͮͯΔશΞϓϦͰ࢖͑ͳ͘ͳΔ w ݁ہຊདྷ࢖͍͔ͨͬͨJEΛͪΐͬͱ͚ͩม͑ͯొ࿥ w ໋໊ମܥΛյͯ͠͠·ͬͨ ՝ۚΞΠςϜΛ࡟আͨ͠ΒJE͕ೋ౓ͱ࢖͑ͳ͘ͳΔ࢓༷ 49

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w ՝ۚϦϦʔεޙʹΞΠςϜͷ௥Ճਃ੥Λߦͬͨ w ճ໨Ҏ߱ͷ৹ࠪ͸ΞϓϦͷΞϓσෆཁ w ͕ɺϦδΣΫτ🙅 w ʮ(VJEFMJOF1FSGPSNBODF"QQ$PNQMFUFOFTTʯ ՝ۚΞΠςϜͷ௥Ճਃ੥ͰϦδΣΫτ 50

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w Ͳ͏΍Β"QQMFͷϨϏϡʔ࣌ʹΞϓϦ্ʹ ௥ՃΞΠςϜ͕දࣔ͞Ε͍ͯΔঢ়ଶΛٻΊ͍ͯΔΒ͍͠ w ͨͩຊ൪ϦϦʔεͯ͠ΔػೳͳͷͰɺ ϨϏϡʔঝೝˠࣾ಺%#௥ՃˠϢʔβʔʹެ։ ͱ͍͏ॱͰߦ͏ͭ΋Γͩͬͨ w ཛ͕ઌ͔ɺ͕ܲઌ͔ঢ়ଶ w Ͳ͏͢Δʁ ཛ͕ઌ͔ɺ͕ܲઌ͔ঢ়ଶ 51

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"QQMFͷϨϏϡΞʔݶఆදࣔʹͯ͠ਃ੥ ˣ ঝೝʂ 🤔 52

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w 4UPSF,JUʹΑΔJ04ͷΞϓϦ಺՝ۚͷνϡʔτϦΞϧ IUUQTXXXSFWFOVFDBUDPNCMPHFOHJOFFSJOHJPTJOBQQTVCTDSJQUJPOUVUPSJBMXJUITUPSFLJUBOETXJGUKQ w ͜Ε͔Β࣮૷͢Δํ͸͜ͷνϡʔτϦΞϧʹै͏ͷ͕Ұ൪͍͍ͱࢥ͍·͢ w ެࣜυΩϡϝϯτ*O"QQ1VSDIBTF IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTUPSFLJUJOBQQ@QVSDIBTF w ʮ*NQMFNFOUJOHBTUPSFJOZPVSBQQVTJOHUIF4UPSF,JU"1*ʯʹαϯϓϧϓϩδΣΫτ w 4UPSF,JUͷ͜Ε·Ͱͱ͜Ε͔Β4UPSF,JUGSPN IUUQTTQFBLFSEFDLDPNV[[VTUPSFLJUGSPN w J04%$ͷࢿྉ Φεεϝࢀߟࢿྉ 53

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54 https://open.talentio.com/r/1/c/note/pages/94511 OPUF͸஥ؒΛืू͍ͯ͠·͢ɻ J04ΤϯδχΞٻਓථ