普段使いのDDD - Speaker Deck

普段使いのDDD

by haljik

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ීஈ࢖͍ͷ%%% ,"/+"7"1"35: !IBMKJL

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ࣗݾ঺հ w 5XJUUFS!IBMKJL w ໊લɿՏ্੖࢘ʢ͔Θ͔Έ͍ͤ͡ʣ w ϑϦʔϥϯε೥໨ͷ+BWBϓϩάϥϚ w ؔ੢%%%KBWBओ࠵

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͜ͷࢿྉʹ͍ͭͯ w ࢲ͕ৗ೔ࠒ͔ΒυϝΠϯۦಈઃܭʹ͍ͭͯߟ͍͑ͯ ΔࣄΛݴޠԽͨ͠΋ͷͰɺͦΕҎ্ͷ΋ͷͰ͸͋Γ ·ͤΜ w +BWB͕લఏͰ͸͋Γ·͕͋͢·Γ+BWBͷ࿩͸͠· ͤΜ w ΦϒδΣΫτࢦ޲Ͱ͢ w ϚΠΫϩαʔϏεͱ͔$234ͱ͔ͷ࿩͸͋Γ·ͤΜ

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ࠓ೔࿩͢ࣄ w υϝΠϯۦಈઃܭ͕໨ඪͱ͍ͯ͠Δ͜ͱ w υϝΠϯۦಈઃܭ͕લఏͱ͍ͯ͠Δ͜ͱ w ʮυϝΠϯͰۦಈ͢Δʯͱ͍͏͜ͱͷ࣮ࡍ w νʔϜͰڞ༗͓ͯ͘͜͠ͱ w ࣮ࡍʹײͨ͡ޮՌ w ʮීஈ࢖͍ʯͱ͍͏͜ͱ

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υϝΠϯۦಈઃܭ͕໨ඪ ͱ͍ͯ͠Δ͜ͱ

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ॊೈͰ֦ுੑʹ෋Μͩ ιϑτ΢ΣΞ

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मਖ਼΍֦ு͕ࠔ೉ʹͳͬͯ ͠·ͬͨ৔߹͸ࣦഊ

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Ͳ͏ͳ͍ͬͯΕ͹ྑ͍͔ʁ ར༻ऀ͕ʮ͜͜ʯΛʮ͜͏ʯ͍ͨ͠ͱ͍ ͏ཁ๬ʹରͯ͠ɺʮ͜͜ʯΛʮ͜͏ʯ͢ Δ͚ͩͰมߋͰ͖ΔΑ͏ʹͳ͍ͬͯΕ͹ ྑͦ͞͏

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υϝΠϯۦಈઃܭ͕લఏ ͱ͍ͯ͠Δ΋ͷ

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։ൃνʔϜ͕ར༻ऀͷ׆ಈʹؔ͢Δ ஌ࣝମܥΛഎෛ͍ࠐΉ͜ͱ w ୯ͳΔ஌ࣝͰ͸ͳ͘ମܥ  CPEZPGLOPXMFEHF˞ w ͨͩ஌Δ͚ͩͰ͸ͳ͘എෛࠐΉ  CSJOHUPCFBS˞ ˞&SJD&WBOT %PNBJO%SJWFO%FTJHO "EEJTPO8FTMFZ1SPGFTTJPOBM൛ ୈ̍෦ͷং൫

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෼ۀ͠ͳ͍ w ෼ੳɾઃܭऀͱϓϩάϥϚΛ෼͚ͳ͍  ຋༁ͤͣؔ৺ࣄͱϓϩάϥϜͷ୯ҐΛҰகͤ͞Δ w Ϟσϧͷ࡞੒ऀͱϞσϧͷར༻ऀΛ෼͚ͳ͍  ϞσϧͱͦΕΛར༻͢Δଆͷίʔυ͸ɺϞσϧʹ৽ ͨͳ஌͕ࣝ੝Γࠐ·ΕΔ౓ʹมߋ͞ΕΔ

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ΠςϨʔςΟϒͳϓϩηε w Ϟσϧ͸։ൃऀͷ஌ࣝͱͱ΋ʹ੒௕͢Δ w ͪΐͬͱ໊ͨ͠લมߋͰ͢ΒϞσϧΛར༻͢Δଆͷ ίʔυʹ೾ٴ͢Δ w ϓϩάϥϛϯάͷϓϥοτϑΥʔϜʹΑΔ੍໿ͷΑ ͏ͳ΋ͷ΋౰વϞσϧʹϑΟʔυόοΫ͕͔͔Δ w ͦ͏Ͱͳ͍ͱ࣮༻ੑͷͳ͍ϞσϧʹͳΔ

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ʮυϝΠϯͰۦಈ͢Δʯ ͱ͍͏͜ͱͷ࣮ࡍ

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ར༻ऀͷؔ৺ࣄυϝΠϯ

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ར༻ऀͷ͍͏ʮ͜͜ʯΛ͜͏ ͍ͨ͠ͷʮ͜͜ʯ͕ίʔυ ্ͷͲ͜Λࢦ͢ͷ͔ʁ

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ར༻ऀͷؔ৺ࣄͱ͸ҧ͏୯ҐͰ ϓϩάϥϛϯάͯ͠͠·͏ͱม ߋͷӨڹൣғ͸༧૝Ͱ͖ͳ͍

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ڞ௨Խͱ͔

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ա౓ͳந৅Խͱ͔

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ٕज़ۦಈͱ͔

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ը໘ۦಈͱ͔

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͍Ζ͍Ζ͋Δ͚Ͳ ༧૝֎ͷӨڹ͸༧૝֎ͷί ετʹͳΓൃలΛ્֐͢Δ

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͔ͩΒ

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ར༻ऀͷؔ৺ࣄʹϓϩάϥϛϯάͷجຊ ୯ҐΛ͋ΘͤΔ ؔ৺ࣄͷ୯ҐͰ൑அɺՃ޻ϩδοΫΛ࣋ ͪɺͦΕΒͷϩδοΫʹۦಈ͞ΕΔιϑ τ΢ΣΞʹ͢Δ

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υϝΠϯϞσϧʹۦಈ͞Ε ΔΞϓϦέʔγϣϯΛ࡞Δ

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υϝΠϯϞσϧͰۦಈ͞ΕΔ ΞϓϦέʔγϣϯΛ࡞Δʹ͸ υϝΠϯϞσϧ͕࣋ͭ൑அɺՃ޻ϩδοΫʹରͯ͋͠ ΒΏΔͱ͜Ζ͔ΒΞΫηεͰ͖ΔΑ͏ͳΞʔΩςΫνϟ Λ࠾༻͠ɺυϝΠϯϞσϧʹ൑அɺՃ޻ϩδοΫΛू ΊΔඞཁ͕͋Δ

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νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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w ڥք͚ͮΒΕͨίϯςΩετ w ίϯςΩετͷ֓ཁϞσϦϯά w ϓϩάϥϛϯά্ͷݪଇ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ڥք෇͚ΒΕͨίϯςΩετ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ڥք͚ͮΒΕͨίϯςΩετ w ίϯςΩετʹࢹ࠲  ݻ༗໊ࢺҎ֎͸·ͣࢹ࠲Λ֫ಘ͠ͳ͍ͱ໊લ͕ܾ·Βͳ͍ w ࢹ࠲ͱ͸γεςϜར༻ऀͱར༻໨తͷʮ૊Έ߹Θͤʯ  ྫʣస৬αΠτɿʮاۀ͕ࣗࣾʹ͋ͬͨࣾһΛ୳͢ҝʯʮٻ৬ ऀ͕ࣗ෼ʹ͋ͬͨస৬ઌاۀΛ୳͢ҝʯͳͲͳͲ w ࢹ࠲͝ͱʹϞσϦϯάͷ໊લۭؒΛ෼͚ͯɺͦͷࢹ࠲͔ΒΈͨ Ϟσϧͷಋग़ʹूத͢ΔʹίϯςΩετʹಛԽ͢Δ  ྫʣస৬αΠτɿʮاۀʯͱʮٻ৬ऀʯͱ͍͏໊લۭؒʹ෼͚ Δ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ࢹ࠲Ͱ஌ࣝΛ੔ཧ ࢹ࠲͕ίϯςΩετʹͳΔ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ࢹ࠲ͷݟ͚ͭํ w ࡞Ζ͏ͱ͍ͯ͠ΔαʔϏε΍γεςϜͷར༻ऀΛચ ͍ग़͢ ਓͷ໾ׂͩͬͨΓγεςϜͩͬͨΓ͢Δ w ͦΕͧΕͷར༻ऀ͕ԿΛ໨తʹͦͷγεςϜΛ࢖͏ ͷ͔Λ໌֬ʹ͢Δ w ໨త͕ҧ͏ͳΒผͷࢹ࠲ w ໨త͕ಉ͡ͳΒಉ͡ࢹ࠲ʢ͔΋ʣ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ίϯςΩετͷ֓ཁϞσϦϯά νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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w ਓɺ෺ɺࣄ෼ੳ w ࣌ܥྻ෼ੳ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ਓɾ෺ɾࣄ෼ੳ ਓٻ৬ऀɺձһɺاۀͷ୲౰ऀ  ෺ٻਓɺاۀ  ࣄݕࡧɺԠืɺεΧ΢τ ྫɿٻਓαΠτͷٻ৬ऀΛࢹ࠲ʹͨ͠৔߹ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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࣌ܥྻ෼ੳ ٻ৬ऀɺاۀ͕ಠཱͯ͠·ͣ͋Δ ٻ৬ऀ͕ձһొ࿥Λ͓͜ͳ͍ձһʹͳΔ اۀ͕ٻਓΛొ࿥͢Δ اۀ͕ٻਓΛఴ෇ͨ͠εΧ΢τΛձһʹૹΔ ձһ͸اۀ͔ΒεΧ΢τΛड͚ͱΔ ձһ͸εΧ΢τʹԠื͢Δ ͳͲಠཱͯ͋͠Δਓ΍෺Λ·ͣฒ΂ͦΕΒ͕ى͜͢ओཁͳΠϕϯτΛ࣌ܥྻʹฒ΂Δ ྫɿٻਓαΠτͷٻ৬ऀΛࢹ࠲ʹͨ͠৔߹ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ϞσϧԽͨ͠΋ͷ ਓɺ෺ɺࣄ෼ੳͰग़ͨཁૉΛ࣌ ܥྻ෼ੳͰؔ܎෇͚͠ɺґଘͷ ํ޲ΛܾΊͨঢ়ଶ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ϞσϧΛίʔυͰ ͜ͷϨϕϧͰ͸ϞσϧͷτοϓϨϕϧύοέʔδ ͷߏ଄Ͱදݱ͢Δ    EPNBJONPEFM  DBOEJEBUF ٻ৬ऀ   DPNQBOZ اۀ   P⒎FS ٻਓ   NFNCFS ձһ   TDPVU εΧ΢τ   BQQMJDBUJPO Ԡื     ύοέʔδؒͷґଘํ޲͸ͦͷ··಺෦ͷΦϒδΣ Ϋτ͕ύοέʔδΛލ͙ࡍͷґଘํ޲ʹ͢Δ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ϙΠϯτ w ࢹ࠲Λ֫ಘ͢Δ͜ͱͰɺͦͷࢹ࠲͔ΒΈͯෆཁͳ΋ ͷΛ࡟͗མͱ͠ɺॏཁͳ΋ͷΛڧௐ͢Δ w ࣌ܥྻͰચ͍ग़͢ґଘͷํ޲͸ॏཁͳ΋ͷ  ͋ΔλΠϛϯάͰଘࡏ͠ͳ͍΋ͷ͸ࢀরͰ͖ͳ͍ͷ Ͱ͜ΕΛ่͢ͱ࣋ͬͯΔ͔͍࣋ͬͯͳ͍͔ͱ͍͏ঢ় ଶ͕૿͑ͯෳࡶ౓͕Ճ଎ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ϓϩάϥϛϯά্ͷݪଇ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ϓϩάϥϛϯά্ͷݪଇ w ΞʔΩςΫνϟ w ϦϑΝΫλϦϯά w υϝΠϯΦϒδΣΫτͷίʔυ w Ϟσϧͷࣗಈςετ w +BWBͷجຊతͳ͜ͱ w ΦϒδΣΫτࢦ޲ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ΞʔΩςΫνϟ ̏૚ʴυϝΠϯϞσϧ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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̏૚υϝΠϯϞσϧ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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w υϝΠϯʹଞͷ̏૚͕ґଘ͍ͯ͠Δҙຯ  υϝΠϯ͕શͯΛ੍ޚ͢Δҝ  υϝΠϯʹϩδοΫΛूΊΔҝ w ϓϨθϯςʔγϣϯ૚  ը໘ભҠ΍ΞϓϦέʔγϣϯ૚ͷݺͼग़͠ʹప͢Δ w ΞϓϦέʔγϣϯ૚  υϝΠϯΦϒδΣΫτͷૢ࡞ͱ  ΠϯϑϥετϥΫνϟ૚ͷݺͼग़͠ʹప͢Δ w ΠϯϑϥετϥΫνϟ૚  υϝΠϯͰఆٛ͞ΕΔϦϙδτϦΠϯλʔϑΣʔεͷ࣮૷Λஔ͘  3%#,74ͷૢ࡞ɺଞ"1*ͷݺͼग़͠ͳͲɺར༻ऀͷؔ৺ࣄΑΓ΋ ந৅౓ͷ௿͍΋ͷΛஔ͘ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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w ૚ಉ࢜ͷґଘؔ܎  ্૚͔ΒԼ૚ʹର͢Δݺͼग़͠͸0,  Լ૚͔Β্૚ʹର͢Δݺͼग़͠͸/( w υϝΠϯͷू໿୯ҐͰϦϙδτϦΛ࡞Δ w ϦϙδτϦΛܦ༝͠ͳ͍Ͱଞͷू໿Λऔಘ͠ͳ͍ w ϦϙδτϦ͔ΒϦϙδτϦ΁ͷݺͼग़͠͸ɺυϝΠ ϯͷτοϓϨϕϧύοέʔδͷґଘؔ܎ΛकΔ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ϦϑΝΫλϦϯά νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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w ৗʹϦϑΝΫλϦϯά͢Δ w ϘʔΠεΧ΢τϧʔϧ  खΛೖΕΔ࣌͸ʮདྷͨ࣌ΑΓ΋ඒ͘͠ʯ w ʮ࢖͍ࠐΜͩάϩʔϒʯ  &SJD&WBOTΤϦοΫɾΤϰΝϯεͷυϝΠϯۦಈઃܭ  ୈ෦ਂ͍Ϟσϧ͠ͳ΍͔ͳઃܭ   ϦϑΝΫλϦϯάʹΑΓྑ͘มߋ͞ΕΔ৔ॴ͕ࣗવͱॊೈͳߏ଄ʹͳΔ w ӅΕ͍ͯΔ֓೦Λ୳͢  &SJD&WBOTΤϦοΫɾΤϰΝϯεͷυϝΠϯۦಈઃܭ  ষ҉໧తͳ֓೦Λ໌ࣔతʹ͢Δ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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υϝΠϯΦϒδΣΫτͷίʔυ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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HFUUFS w ΦϒδΣΫτʹ࢓ࣄΛͤ͞ΔͨΊʹɺॻ͔ͳ͍ w ಺෦ϑΟʔϧυͷ஋͕ݟͨ͘ͳͬͨΒɺͦͷʮϑΟʔ ϧυ஋Λ࢖͏ϩδοΫΛͦͷΦϒδΣΫτࣗ਎ʹ࣋ ͨͤΒΕͳ͍͔ʯΛߟ͑Δ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ίϯετϥΫλ w جຊతʹؔ৺ࣄͷ֎ͳͷͰԼʹ௥͍΍Δ w ΦϒδΣΫτͷओ໾͸ϑΟʔϧυͱɺͦΕΛ࢖ͬͯ Ճ޻ɺ൑அΛߦ͏ϩδοΫΛ࣋ͭϝιου w ҙਤͷද໌͸ϑΝΫτϦϝιουͰ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ࣗಈςετ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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Ϟσϧͷࣗಈςετ w ࠷ॳʹܕͷੈքͰղܾͰ͖ͳ͍͔Λߟ͑Δ w ࣍ʹߏ଄ͰղܾͰ͖ͳ͍͔Λߟ͑Δ w Ͳ͏͠Α͏΋ͳ͍৔߹͸ςετΛॻ͘ جຊతʹॻ͔ͳ͍ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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+BWBͷجຊతͳࣄ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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DDD@F;ͭ͏ͷ+BWBίʔσΟϯάͰݕࡧ  JSPG͞ΜͷࢿྉΛݟ͍ͯͩ͘͞ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ΦϒδΣΫτࢦ޲ νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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͜Μͳຊ͕݄೔ʹ  ग़·͢ɻ ಡॻձ͍ͨ͠ IUUQHJIZPKQCPPL νʔϜͰڞ༗͓ͯ͘͜͠ͱ

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ීஈ࢖͍ͷҙຯ

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w গͳ͘ͱ΋ࢲ͸ීஈ͔Β΍͍ͬͯͳ͍͜ͱΛෳࡶͳ ΋ͷΛݟ͚ͭͨͱ͖͚ͩʹग़དྷΔͱ͸ࢥ͑ͳ͍ w খͯ͘͞୯७ͳ։ൃͰ΋஌ࣝͷ֬ೝɾ෼ੳɾϓϩά ϥϛϯάͷαΠΫϧΛීஈ͔ΒԿ౓΋ճ͢ w ͍ͭͰ΋ͲΜͳ࣌Ͱ΋Ͱ͖ΔΑ͏ʹجຊΛ܁Γฦ͠ ͯ࠷௿඼࣭Λఈ্͓͛ͯ͘͠