えにしテック、あるいは人間関係のエクササイズ / #enishitech-15th-anniv

!LBLVUBOJ͑ʹ͠ςοΫप೥ه೦ΧϯϑΝϨϯε +VO Or: An Exercise in Human Relationships

15 yrs.

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,FOU#FDL͸ΤΫετϦʔϜϓϩάϥϛϯά 91 ͷఏএऀͷͻͱΓͰ͢Ͷɻ ຊॻΛࢲͨͪ͸ʮ91&OEʯͱݺΜͩΓ΋͠·͢ 91&YQMBJOFEOE&E

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֯୩৴ଠ࿠ [email protected]  ݸਓࣄۀओ Ұࣾ ೔ຊ3VCZͷձཧࣄ ג Ӭ࿨γεςϜϚωδϝϯτΞδϟΠϧࣄۀ෦ϑΣϩʔ ג Ϣʔβϕʔε4BB4ࣄۀΤΫετϦʔϜϓϩάϥϛϯάސ໰ 'KPSE#PPU$BNQސ໰

ࢲʹͱͬͯ೥ࠒͷδϡϯΫಊॻళ஑ାຊళ'1$ॻϑϩΞ͸ʮ͢΂͕͍ͯͪ Ͳ͖ʹى͖ͨʯΞϧϑΝόʔεͰ͋Γʮ;Δ͞ͱʯͷͻͱͭͳͷͰͨ͠👀🧺🥋🪐👀

ܙఉͳ͏ PSlΧʔΰΧϧτͱౖΕΔαϧz ݩͷܦҢΛ೺Ѳ͢Δ͜ͱͳ͘ɺ2c プ ϩ ジ ΣΫτͷ׳शͷଟ͘͸ɺ·Δ で ͜ͷʮౖΕΔαϧʯͷ࿩ͷΑ͏ʹɺʮࠓ· で
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lλΠϜϨεzͱ͍͏ݴ͍ճ͠ʹ͸ɺʮݹయͷΑ͏ʹݹ͔͘Βଘ ࡏͯ͠ࠓ΋ͳ͓Ձ஋͕มΘΒͳ͍ʯͱ͍͏ແ࣌ؒతͳҙຯ߹͍ ͱɺʮ࣌ͷࢼ࿅Λ௒͑ͯଘࡏ͍ͯ͠Δ͍ͯ͘͠ʯͱ͍͏࿈ଓ తӡಈతҙຯ߹͍͕ͻͱͭͷର৅ʹʮෆқྲྀߦʯͱͯ͠ॏͳͬ ͍ͯΔײ͡ lෆқzͱlྲྀߦzʹ෼͔Εͳ͍ ͕ؾʹೖ͍ͬͯΔɻ l࣌Λ௒͑ͨz(Timeless)ŪŰ ʮύλϯɾϥϯήʔδͷࢻֶŴƅŚŪžŖʯͰ͸ɺࢻͰͻͱͭͷޠʹෳ਺ͷҙຯ͕ॏͳ͍ͬͯΔͱɺ ΑΓ͜ͱ͹͕ੜ͖ੜ͖͢Δͷͱಉ͡Α͏ʹɺ͞·͟·ͳॏͳΓΛ΋ͭύλʔϯͷ΄͏͕
ΑΓੜ͖ੜ͖͍ͯ͠Δ ੜ໋ͷ౓߹͍͕ڧ͍ ͱ͞Ε͍ͯΔκ

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ͰΞϨάβϯμʔʹ௚઀ݴٴͨ͠ग़൛౰࣌ͷ೥ɺ ք۾ 1P&""ಡॻձք۾ ʹিܸ͕͸ͬͨ͠ͷͩφΝɻ91ͱ͸ιʔγϟϧνΣϯδͰ͋Δ ʮ࣌Λ௒͑ͨϓϩάϥϛϯάͷಓʯ The Timeless Way of Programming ڧௐ౳͸Ҿ༻ऀʹΑΔ

w࣌Λ௒͑ͨಓݐ෺΍ொ͸ɺ࣌Λ௒͑ͨಓʹै͑͹ɺ ͦΕ͚ͩੜ͖ੜ͖ͱͯ͘͠Δ͠ɺ·ͨͦΕ͕ͦ͜།ҰͷಓͰ͋Δɻ w࣭࣌Λ௒͑ͨಓΛٻΊΔऀ͸ɺ·ͣແ໊ͷ࣭Λ஌ΒͶ͹ͳΒͳ͍ɻ w໳ແ໊ͷ࣭ʹ౸ୡ͢Δʹ͸ɺͦ͜ʹ௨͡Δ໳ͱͯ͠ɺੜ͖͍ͯΔύλϯΛ૊ ΈཱͯͶ͹ͳΒͳ͍ɻ wಓ໳ΛݐͯΕ͹ɺͦΕΛ͙ͬͯ࣌͘Λ௒͑ͨಓΛ࣮ફ͍ͯ͘͜͠ͱ͕Ͱ͖Δɻ wಓͷ֩৺͜͜ʹࢸͬͯ΋ɼ࣌Λ௒͑ͨಓ͸·ͩ׬શͰ͸ͳ͍ɻ໳Λޙʹͯ͠ าΈग़͞ͳ͚Ε͹ɺແ໊ͷ࣭Λे෼ʹੜ੒͢Δ͜ͱ͸Ͱ͖ͳ͍ɻ ࡶʹ·ͱΊΔͱɺ࣌Λ௒͑ͨಓʹ͋Δ࣭ Α͍΋ͷ
͸͏·͘ݴ͑ͳ͍ ແ໊ Μ͚ͩͲɺύλʔϯΛ࢖͑͹ݟ͑ΔΑ͏ʹ͸ ͳΔ͔ΒɺύλʔϯΛ͏·͘׆༻ͯ͠ɺࣗ෼ͷͳ͔ʹ͋Δແ໊ͷ࣭ʹؾͮ͘ͷͩʙ ࡶ ʰ࣌Λ௒͑ͨݐઃͷಓʱ The Timeless Way of Building ڧௐ౳͸Ҿ༻ऀʹΑΔ

lචऀ͸΋ͱ΋ͱ8JLJͷىݯʹ͍ͭͯௐ べ Α͏ͱ͍ͯ͠ʜͨͷ で ͢ が ʜ࠷ऴత ʹ͸೥୅͔Βͷ໿൒ੈلʹΘͨΔྺ࢙Λௐ べ Δ͜ͱʹͳΓ·ͨ͠ɻ͜Μ
ͳʹ΋ੲͷࢥ૝ が ܗΛม͑ͯݱࡏʹӨڹΛ༩͍͑ͯΔ͜ͱʹڻ͖·ͨ͠ɻͦ͠ ͯɺ͜ͷڻ͖Λ఻͍͑ͨͱࢥ͍ɺຊॻΛॻ͖·ͨ͠ɻ தུ ݱ୅ͷ৘ใٕज़ͷൃల͸໨֮·͘͠ɺٕज़ͷਐԽʹΑͬͯࣾձ͸େ͖͘ มΘͬͨΑ͏ʹݟ͑·͢ɻ͔͠͠ɺٕज़Λ୯ʹޮ཰ԽͷͨΊ だ ͚ʹ࢖͏ͷ で ͋ Ε ば ɺࣾձతͳߏ଄͸Կ΋มΘΓ·ͤΜɻ8JLJ͸৘ใٕज़ͷҰछ で ͢ が ɺ ͦ͜ʹ͸ΞϨ グザ ϯ ダ ʔͷཧ࿦ が ࣋ͭࣾձมֵͷ ビジ ϣϯ が ؚ·Εͯ ͍·͢ɻʜ パ λʔϯɺ8JLJɺ91Λ؏͘ʮ࣌Λ௒͑ͨ૑଄ͷݪଇʯ͸ɺ ࠓޙ৘ใٕज़ͷ࿮Λ௒͑ɺ͞· ざ ·ͳ෼໺ʹൃల͍ͯ͘͠ʹҧ͍͋Γ ·ͤΜɻ

91͸,FOU#FDLͷ l࣌Λ௒͑ͨϓϩάϥϛ ϯάͷಓz΁ͷ໳Ͱ͋Δ

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Vision IT Systems Teams Organization Management Execution Management Business Process
Talent Development ENISHI TECH INC. IUUQTTQFBLFSEFDLDPNTOPP[FSBHJMFTBQQPSPMFBSOGSPNFYQFSJFODFBOEDPOUJOVFUPSFQBJSXIPMFOFTT ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC.

ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM EXPERIENCE AND CONTINUE
TO REPAIR WHOLENESS ENISHI TECH INC. https://speakerdeck.com/snoozer05/agile-sapporo-learn-from-experience-and-continue-to-repair-wholeness ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC.

ࠓ೔ɺ͓఻͍͑ͨ͜͠ͱ શମΛҙࣝ͢Δ ײ৘ʹࣖΛ܏͚Δ ਓͰ͸ͳ͘ϓϩηεΛϦʔυ͢Δ ࿅श͢ΔػձΛ࣋ͭ IUUQTTQFBLFSEFDLDPNTOPP[FSBHJMFTBQQPSPMFBSOGSPNFYQFSJFODFBOEDPOUJOVFUPSFQBJSXIPMFOFTT
ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC.

ࠓ೔ɺ͓఻͍͑ͨ͜͠ͱ શମΛҙࣝ͢Δ ײ৘ʹࣖΛ܏͚Δ ਓͰ͸ͳ͘ϓϩηεΛϦʔυ͢Δ ࿅श͢ΔػձΛ࣋ͭ https://speakerdeck.com/snoozer05/agile-sapporo-learn-from-experience-and-continue-to-repair-wholeness

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4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC.

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AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC.

Vision IT Systems Teams Organization Management Execution Management Business Process
Talent Development ENISHI TECH INC. IUUQTTQFBLFSEFDLDPNTOPP[FSBHJMFTBQQPSPMFBSOGSPNFYQFSJFODFBOEDPOUJOVFUPSFQBJSXIPMFOFTT ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC.

ΑΓେ͖ͳεέʔϧͰݟͨͱ͖ʹ ࣗ෼͕ࠓ͍Δ৔ॴ͕ l͍͖͍͖zͱ͍ͯ͠Δ͔ IUUQTTQFBLFSEFDLDPNTOPP[FSBHJMFTBQQPSPMFBSOGSPNFYQFSJFODFBOEDPOUJOVFUPSFQBJSXIPMFOFTT ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN
FROM EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC.

l͑ʹ͠ςοΫz͸ TOPP[FSͷ l࣌Λ௒͑ͨϓϩάϥϛ ϯάͷಓz΁ͷ໳Ͱ͋Δ

w91ͱ͸,FOU#FDLͷl࣌Λ௒͑ͨϓϩάϥϛϯάͷಓz UIF5JNFMFTT 8BZPG1SPHSBNNJOH58P1 ΁ͷ໳ 5IF(BUF Ͱ͋Δ wl͑ʹ͠ςοΫz͸TOPP[FSͷ58P1΁ͷ໳Ͱ͋Δ w͑ʹ͠ςοΫͷlಓzͷ͸͡·ΓͰ͋Γ໨ࢦ͢l࣭z UIF2VBMJUZ ͸ʮ;
Δ͞ͱʯͰ͋Γɺͦͷͻͱͭ͸3VCZίϛϡχςΟͰ͋Δ w91ʹ͓͚Δlಓzͷ࣮ફͱ͸l͑ʹ͠ˑςοΫzͰ͋Γɺ ʰ5JEZ'JSTU ʱ͸,FOU#FDLͷl͑ʹ͠ˑςοΫzͷ࿅शͰ͋Δ ŚŞššŘţƄ w͑ʹ͠ςοΫΑɺˑͱͱ΋ʹ͋Ε ΄Μͭ͡ͷओு

lςοΫύʔτφʔͱͯ͠ ਓɺϓϩηεɺϓϩμΫτ͕ ΋ͬͱ͍͖͍͖ͱ͢Δ ͓ख఻͍Λz ݱࡏͷ͑ʹ͠ςοΫͷ໨ࢦ࢟͢ͱͯ͠·ͬͨ͘ҟ࿦͸ͳ͍ɻͰ͸ɺ͑ʹ͠ςοΫ͕l͍͖͍͖z͍ͯ͠Δͱ൑அ͢ ΔՁ஋ج४ 7BMVFT ͸Ͳ͜ʹ͋ͬͯɺͦΕ͸Ͳ͔͜Β͖ͨͷ͔ʜͦ͜ʹ͸హ౗͕͋Δο

͑ʹ͠ςοΫ w3VCZࡳຈͱ͍͏஍Ҭٕज़ίϛϡχςΟ͔Βੜ·Εͨձࣾ w GSPN4BQQPSP XJUI-PWFGPS3VCZ wࡳຈʹ΋ϓϩάϥϚʔ͕͍͖͍͖ͱ฻ΒͤΔձࣾΛ IUUQTTQFBLFSEFDLDPNTOPP[FSBHJMFTBQQPSPMFBSOGSPNFYQFSJFODFBOEDPOUJOVFUPSFQBJSXIPMFOFTT ౡాߒೋ !TOPP[FS
4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC. ɹϓϩάϥϚʔ͕͍͖͍͖ͱ฻ΒͤΔձࣾΛ࣮ݱ͢ΔͨΊʹ͸ɺςοΫύʔτφʔͱͯ͠ ͓٬༷ʹ͍͖͍͖ͱͯ͠΋Β͑Δ͜ͱ͕େࣄʜŕũŠŪ ͖ͬͱͦ͏ͩ͠ɺͦΕͰ͍͍

͑ ʹ ͠ ς ο Ϋ ɹ Ϗ Ϊ ϯ
ζ

lʜʮ୔ࢁͷਓʑ͕͜ͷίϛϡχςΟʹ΍ͬͯ͘Δɻ൴ΒΛܴ͑ೖ Εͯɺզʑͷ΍Γ͔ͨΛݟͤͯ͋͛ΔΜͩɻʰ3VCZಓʱΛʯʕʕ ࢲͷΑ͏ͳ3VCZਥͷ৺ଁΛ؏͍ͨ%BWFͷϝοηʔδ͸ɺؒҧ͍ ͳ͘൴Βͷ৺ଁ΋ࣹ؏͍ͨͷͩΖ͏ɻʮ΅͘Β͸΅͘Βͷ֗ͷࡳ ຈͰɺ3VCZͷָ͠͞Λ఻͍͑ͨΜͰ͢ʯ͔ͨ͠ɺTOPP[FS ͱ͍͏JEͷ΄͏ͷ੨೥͕ͦΜͳ͜ͱΛݴ͍࢒ͯ͠ɺ൴Β͸๺ͷେ ஍΁ͱؼ͍ͬͯͬͨɻʮ๺ւಓͰ3VCZಓͱ͔ʜʜ୭͕͏·͍͜ͱ ݴ͑ͱʜʜʯͦΜͳܰޱΛୟ͍͔ͨ΋͠Εͳ͍ɻ 4VO
Θͨ͠ͱ3VCZࡳຈ ֯୩)5.-Խܭը IUUQTLBLVUBOJDPNIUNMQ ڧௐ౳͸Ҿ༻ऀʹΑΔ

RubyKaigi 2007

w͋Γ͕ͱ͏ɺ3VCZ w৽͘͠΍ͬͯ͘ΔਓͨͪΛܴ͑ೖΕͯɺ զΘΕͷ΍Γ͔ͨ l3VCZಓz Λݟͤͯ ͋͛Α͏ w3VCZ͸3VCZʹͳΕ The Island of
Ruby, or How To Survive Invasions, Immigrants, and Cultural Attacks

l͋ͬͪͬͪ͜ͰδʔϯͱདྷΔ͜ͱΛݴ͏ͷͰɺ൴͕͠Ό΂Δɺͬ͜ ͕ͪഥख͢Δɺ൴͕͠Ό΂Δɺ͕ͬͪ͜ഥख͢ΔɺΈ͍ͨͳɺ΋ͷ͢ ͘͝Ұମײͷ͋Δײಈతͳηογϣϯͩͬͨɻ࠷ޙ͸ΈΜͳ্ཱͪ ͕ͬͯഥखɻ͍΍ʔɺϚδײಈɻɻɻ ݸਓతͳײ֮ͱͯ͠͸ɺ͘͢͝ϗʔϜײΛײͨ͡ɻ3VCZͩͱ͍͏͜ ͱͷϗʔϜײͰ͸ͳͯ͘ʢ͕͢͞ʹ3VCZྺ̍೥ͰͦΜͳ͜ͱݴͬͨ Β͓͕͜·͍͠Θ͚Ͱʣɺϓϩάϥϛϯά͕޷͖ɺ࣮૷͕޷͖ɺΞ δϟΠϧ͕޷͖ɺͣͬͱ։ൃऀͰ͍͍ͨɺΈ͍ͨͳࢤ޲Λ͍࣋ͬͯΔ ࣗ෼͕͜͜ʹ͍Δ͜ͱ͸͘͢͝ਖ਼͍͜͠ͱͩɺͱ͍͏ײ͕ͨ͡͠ɻ
݄ %BWF5IPNBTࢯͷߨԋ ΀ͬͪΜ೔ه IUUQTLPNFBEPXZOFUdOBZEJBSZIUNMQ ڧௐ౳͸Ҿ༻ऀʹΑΔ

ˢ͜Εɺ%BWFͷԞ༷͕˒Λ͚ͭͯΔͷ͕ΤϞ͍ΜͩΑͳʜ l3VCZͷ;Δ͞ͱʹ΍͖ͬͯͨΒɺ ͦ͜͸ࢲͷ;Δ͞ͱͰͨ͠ɻ ͋Γ͕ͱ͏ɻ%BWF http://www.flickr.com/photos/kakutani/542358592/

ʮͩΜͩΜ͜ͷେࡕͷொ΋͋Μͨͷ;Δ͞ͱʹͳ͍ͬͯ͘ʜ ;Δ͞ͱ͸ࣗ෼Ͱ͍ͭͬͯ͘͘΋ΜͳΜ΍Ͱʯ ʰͪΓͱͯͪΜʱ ࡇΓ΋͍ۙͱؿథ͸ݺͿ͕ɹચ͍͟Β͠ͷ(ύϯͻͱͭ ന͍Ֆ࡙͘;Δ͞ͱ͕ɹ೔฻ΓΌ࿀͘͠ͳΔ͹͔Γ খ઒ͷͤͤΒ͗ؼΓͷಓͰɹຓͱͱΓ͋ͬͨ੺͍໺ᣀ ྘ͷ୩ؒͳͩΒ͔ʹɹ࢔അ͸ू͍ௗ͸ᄹ͘ ͋͋ɹ୭ʹ΋ɹ;Δ͞ͱ͕͋Δɹ;Δ͞ͱ͕͋Δ ͓ՇʹΏ͔ͣʹ͋ͳͨͷ͜ͱΛɹ଴͍ͬͯ·͢ͱ༏͍͠ศΓ ྡͷଜͰ΋͍·͝Ζ͸ɹҍͷՖͷ·͔ͬ͞Γ
੺͍ωΦϯͷۭݟ্͛Ε͹ɹ݄ͷޫ͕͸Δ͔ʹԕ͍ ෩ʹਧ͔ΕΓΌ͠Έ͡Έͱɹ૝͍ग़͠·͢ғ࿍ཪ͹ͨ ͋͋୭ʹ΋ɹ;Δ͞ͱ͕͋Δɹ;Δ͞ͱ͕͋Δ ࢁޱ༸ࢠʢ࡞ࢺ ฏඌণߊʢ࡞ۂʣ ޒ໦ͻΖ͠ʢӖʣ ;Δ͞ͱ ֓೦ ࿈ଓςϨϏখઆɹͪΓͱͯͪΜɹୈճɹୈिɹେ૲एͷখ͞ͳՈ

https://speakerdeck.com/kakutani/xpmatsuri2019-keynote 91ࡇΓͷجௐߨԋͰ,FOU#FDLͷ౰࣌ ݱࡏ΋ͩΑ ͷϛογϣϯͱͯ͠঺հͨ͠ ʮl͓·͑Βz͕ݱ࣮ੈքͰ҆શͩͱࢥ͑Δख఻͍Λ͢Δʯ ʜͳΜͱʰ5JEZ'JSTU ʱ͸͜ͷϛογϣϯʹैͬͯॻ͔Ε͍ͯΔͷμR

Note To Programmers Even programmers can be whole people in
the real world. XP is an opportunity to test yourself, to be yourself, to realize that maybe you’ve been fine all along and just hanging with the wrong crowd. ڧௐ౳͸Ҿ༻ऀʹΑΔ ࢲ͸91&OEͷ͜ͷlϊʔτz͕޷͖͗͢Δͷ͕ͩɺzUIFXSPOHDSPXEz͸ؾ࣋ͪ͸Θ͔Δ͕ͪΐͬͱؾʹͳͬͯ ͨͷͰɺz)FMQJOH(FFLT'FFM4BGF*OUIF8PSME)('48zͱVOGPMEJOH͞ΕͯΑ͔ͬͨͳͱࢥͬͯ·͢

wࣗ෼͕lΑ͍zͱࢥ͑Δ৔ॴ wࣗ෼͕l͜͜ʹ͍Δ͜ͱ͸ਖ਼͍͠zͱࢥ͑Δ wlݱ࣮ੈքͰ҆શͩͱࢥ͑Δz͜ͱ wl୭ʹ΋;Δ͞ͱ͸͋Δz ;Δ͞ͱ ֓೦ ʮࠓ೔͔Β͓લ͕Զͷ;Δ͞ͱ΍Rʯ ʰͪΓͱͯͪΜʱ

the Quality

l͜ͷ࣭ ແ໊ͷ࣭ ΛࣗݾͷਓੜʹٻΊΔ͜ͱ͸ɺສ ਓʹͱͬͯͷجຊత໋୊Ͱ͋Γɺ͢΂ͯͷݸਓͷ෺ޠ ͷཁͰ͋ΔɻͦΕ͸ɺࣗ෼͕࠷΋ੜ͖ੜ͖͢Δॠؒ΍ ৘گΛٻΊΔ͜ͱͰ͋Δʜ൓෮ͱมԽͱ͍͏ऴΘΓͷ ͳ͍׆ಈʜ͜Ε͕࣭ͦͷ΋ͷͰ͋Δɻ ڧௐ౳͸Ҿ༻ऀʹΑΔ

͑ʹ͠ςοΫͷlಓzͷ ͸͡·ΓͰ͋Γ໨ࢦ͢l࣭z ͸ʮ;Δ͞ͱʯͰ͋Γɺ ͦͷͻͱͭ͸3VCZίϛϡ χςΟͰ͋Δ

lΤΫετϦʔϜϓϩάϥϛϯά 91 ͸ ιʔγϟϧνΣϯδͰ͋Δɻ

lචऀʢฏುʣ͸೥ʹ91ͱέϯτɾϕοΫ ʹग़ձ͍ʮιϑτ΢ΣΞ͸ਓ͕ਓͷͨΊʹ࡞ͬ ͍ͯΔɻʰٕज़ʱͱʰਓͱਓͱͷؔ܎ੑʱɺͦ ͷ྆ํ͕ιϑτ΢ΣΞ։ൃͷຊ࣭ͩʯͱ͸͡Ί ͯؾ͖ͮɺιϑτ΢ΣΞ։ൃݱ৔Λվֵ͍ͯ͠ ͘͜ͱΛɺͦΕҎ߱ͷ࢓ࣄͷத৺ͱͨ͠ɻ ڧௐ౳͸Ҿ༻ऀʹΑΔ ʮਓͱਓͱͷؔ܎ੑ ͑ʹ͠ ʯͱʮٕज़
ςοΫ ʯͰʮݱ৔Λվֵ ιʔγϟϧνΣϯδ ʯ͡ΌΜ

”the Stars Be with You ͑ʹ͠ˑςοΫ ͑ʹ͠ςοΫࣾʹ͓͚Δ࣌Λ௒͑ͨϓϩάϥϛϯάͷಓ ιʔγϟϧνΣϯδ ʹ޲͚ͨऔΓ૊Έɺ ͦΕΛΦϨ͸ʮ͑ʹ͠ˑςοΫʯͱݺͿͶ
۠ผͷͨΊʹਅΜதʹ$-"44*$ͳˑΛஔ͍ͯΈͨΑ

ࣗࣾެࣜαΠτͰ΋ࣾ௕Έ͔ͣΒܝ ͛ͯ͋ͬͯɺӬ࿨͞Μ͸͍͍ձࣾ

l91͸ɺࢲࣗ਎ͷιϑτ΢ΣΞ։ൃͷ࣮ફͷͳ͔Ͱਓؒੑͱੜ࢈ੑΛௐ࿨ͤ͞ɺ ͦͷௐ࿨Λڞ༗͠Α͏ͱ͢ΔࢼΈͰ͋Δɻࣗ෼΍ଞਓʹࢥ͍΍Γͷ͋Δ઀͠ํΛ ͢Ε͹ɺੜ࢈ੑ͕ߴ·Δ͜ͱ͕Θ͔͖ͬͯͨɻ੒ޭͷ伴͸ɺݸਓͷ౒ྗͰ͸ͳ ͘ɺʮਓͱਓʯͷϏδωεʹࣗ෼͕ܞΘ͍ͬͯΔ͜ͱΛड͚ೖΕΔ͜ͱͰ͋Δɻ ɹٕज़΋ॏཁͩɻզʑ͸ٕज़෼໺ͷٕज़ਓؒͰ͋Δɻಇ͖ํʹ͸ɺྑ͍΋ͷͱѱ ͍΋ͷ͕͋Δɻ։ൃʹ͓͍ͯ͸ɺٕज़ͷߴΈΛ໨ࢦ͢ߦಈ͕͔ܽͤͳ͍ɻٕज़ྗ ͸৴པؔ܎ʹͭͳ͕Δɻ࡞ۀΛਖ਼֬ʹݟੵ΋Γɺ࠷ॳ͔Β඼࣭ͷߴ͍΋ͷΛಧ ͚ɺߴ଎ͳϑΟʔυόοΫϧʔϓΛߏங͢Ε͹ɺ͋ͳͨ͸པ͞ΕΔύʔτφʔʹ ͳΕΔɻ91Ͱ͸ɺνʔϜͷ໨ඪୡ੒ʹߩݙͰ͖ΔϨϕϧͷߴ͍ٕज़ΛֶͿ͜ͱΛ ٻΊ͍ͯΔɻ
ڧௐ౳͸Ҿ༻ऀʹΑΔ

ͦ͏͍͏ҙຯͰ͸91͸ࢲ͕࡞Γग़ͨ͠΋ͷͰ͋Δ͔Βɺ͋Δఔ౓ࢲͷෆ҆Λ ൓ө͍ͯ͠Δɻࢲͷෆ҆͸ w ҙຯͷͳ͍࢓ࣄΛ͢Δ͜ͱ w ٕज़తਐ௙͕े෼Ͱͳ͍ͷͰϓϩδΣΫτ͕Ωϟϯηϧ͞ΕΔ͜ͱ w ϏδωεͷܾఆΛؒҧ͑Δ͜ͱ w Ϗδωεͷਓ͕ؒҧٕͬͨज़తܾఆΛࢲʹԡ͠෇͚ͯ͘Δ͜ͱ
w γεςϜΛߏங͢ΔΩϟϦΞ͕ऴΘΓʹୡ͠ɺࢠڙͱ΋ͬͱଟ͘ͷ࣌ؒΛ͢͢͝ ΂͖ͩͬͨͱΘ͔Δ͜ͱ w ތΓʹࢥ͑ͳ͍࢓ࣄΛ͢Δ͜ͱ l https://speakerdeck.com/snoozer05/agile-sapporo-learn-from-experience-and-continue-to-repair-wholeness

༁จ͕ؒҧ͍ͬͯΔ ͷͰҾ༻ऀ༁ͩΑ ͪͳΈʹɺ͜Εʹଓ͘ୈষͷ࠷ޙͷύϥάϥϑͷ༁จ΋ҙຯ͕௨ΓͮΒ͍ͱ͍͏͔΄΅ޡ༁Ͱ͸ʜ😵 l91͸ࢲ͕ෆ҆ʹࢥΘͳ͍͜ͱ΋൓ө͍ͯ͠Δ ɾίʔσΟϯά ɾؾ͕มΘΔ͜ͱ ɾ͜ͷઌͷશ๴͕Θ͔Βͳ͍··ਐΉ͜ͱ ɾଞਓΛཔΔ͜ͱ ɾಈ͍͍ͯΔγεςϜͷ෼ੳ΍ઃܭΛม͑Δ͜ͱ
ɾςετΛॻ͘͜ͱ ڧௐ౳͸Ҿ༻ऀʹΑΔ

“You can't build the right product if you can't build
the product right. — Ron Jefferies http://ronjeffries.com/xprog/articles/build-it-right-to-build-the-right-thing/ https://speakerdeck.com/kakutani/xpmatsuri2019-keynote l·ͱ΋ʹϓϩμΫτΛͭ͘Εͳ͚Ε͹ɺ·ͱ΋ͳϓϩμΫτ͸ͭ͘Εͳ͍zŪůŠŪ

͑ʹ͠ςοΫ͸طʹಡॻձΛ׬૸ͨ͠Β͍͚͠Ͳ ͔ͩΒࠓ೔͜ͷ࿩Λ͍ͯ͠Δ ɺ౜ಥͰ͕͢Ӭ࿨͞Μ͕΋͠· ͩʰ5' ʱͷಡॻձ΍ͬͯͳ͍ͳΒҰॹʹ΍Γ͍ͨؾ͕࣋ͪ͋Δ Ӭ࿨͸Θͨ͠ͷʮ;Δ͞ͱʯͷͻͱͭͳͷͰ

lιϑτ΢ΣΞઃܭ͸ਓؒؔ܎ͷ ΤΫααΠζͰ͋Δɻ Software design is an exercise in human relationships.
ʮιϑτ΢ΣΞઃܭͱ͸ਓؒؔ܎ͷΤΫααΠζͰ͋Δʯ͜Ε͕ʰ5' ʱγϦʔζͷςʔϚͩο

ࠓ೔ɺ͓఻͍͑ͨ͜͠ͱ શମΛҙࣝ͢Δ ײ৘ʹࣖΛ܏͚Δ ਓͰ͸ͳ͘ϓϩηεΛϦʔυ͢Δ ࿅श͢ΔػձΛ࣋ͭ https://speakerdeck.com/snoozer05/agile-sapporo-learn-from-experience-and-continue-to-repair-wholeness

࿅श͢ΔػձΛ࣋ͭ େࣄͳ͜ͱ https://speakerdeck.com/snoozer05/agile-sapporo-learn-from-experience-and-continue-to-repair-wholeness ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM
EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC. ΤΫααΠζ͡ΌΜʜ

”the Stars Be with You ͑ʹ͠ˑςοΫ ʰ5' ʱ͸͑ʹ͠ςοΫࣾͷ͑ʹ͠ˑςοΫͷͨΊʹ͔ܽͤͳ͍ͷͰ͸ʁ

wಋೖຊॻͱγϦʔζ ༧ఆ ͷಈػ wୈ෦5ZEJOHT ͳʹΛ͢Δͷ͔ w ਺෼ʙ࣌ؒҎ಺ͰऔΓ૊ΊΔɺžŲōŞŦžƃŞƄΑΓ΋ͬͱখ͞ͳŵŘŞƁţşŖſͷl,POEPzతίʔυͷ ͓ย͚ͮ ,FOUEP͔
ͷΧλϩάɻίʔυͷҠಈ ม਺ͷ໋໊ ҙਤͷ൓ө ෼ׂ ίϝϯτʜ wୈ෦.BOBHJOH Ͳ͏΍Γ͘Γ͢Δͷ͔͍ͭ ͲΕ͙Β͍ w ίʔυΛॻ͘׆ಈʹ͓͍ͯͲ͏5ZEJOHΛ΍Γ͘Γ NBOBHF ͍͔ͯ͘͠ɻ͍ͭ ͲΕ͙Β͍ Ͳ ͷΑ͏ʹ5ZEJOH͢Δ͔ ৼΔ෣͍ͱߏ଄ͷ෼཭ 5JEZʜ'JSTU -BTU "GUFS /FWFS wୈ෦5IFPSZ ͲΜͳཧ۶ʹج͍ͮͯΔͷ͔ w ݁߹ͱڽूɺ՟ฎͷ࣌ؒՁ஋ͱΦϓγϣϯͳͲ ŝƄŖŞͷ࿦ཧ͡Όܦࡁͷ࿦ཧʹউͯͳ͍ ࿩ͷྲྀΕ্ɺ·ͱΊͯΈ͚ͨͲɺզͳ͕Βද໘తͩͳ͋ɻͦΕͬΆ͍͜ͱॻ͍ͯ͋Δ͚ͲɺຯΘ͍͕଍Γͳ͍ʜ͕ͦͷ࿩͸·ͨ͜ΜͲ ͍ͭ Θͨ͠ͷ޷͖ͳ5ZEJOH͸ʮ$IVOL4UBUFNFOUTʯͰ͢ ϩδοΫͷ۠੾ΓʹۭߦΛೖΕΔ΍ͭ ɻ 5' ߏ੒

wʰιϑτ΢ΣΞͷߏ଄Խઃܭ๏ʱ ͷߋ৽ w l࣌Λ௒͑ͨϓϩάϥϛϯάͷಓz͡ΌΜʜ wl)FMQJOH(FFLT'FFM4BGFJOUIF8PSMEz ͩͱຊจʹ͋Δ w ΪʔΫ
͓·͑Β ͕ݱ࣮ੈքͰ҆৺҆શʹ฻ΒͤΔखॿ͚Λ͍ͨ͠ɺ͸l&WFO QSPHSBNNFSTDBOCFXIPMFQFPQMFJOUIFSFBMXPSMEzͰͨ͠Ͷ wl4PGUXBSFEFTJHOJTBOFYFSDJTFJOIVNBOSFMBUJPOTIJQTz ιʔγϟϧνΣϯδΛΪʔΫ ͓·͑Β ݸਓ͔Β͸͡ΊΔκR w lιϑτ΢ΣΞ͸ਓ͕ਓͷͨΊʹ࡞͍ͬͯΔɻʰٕज़ʱͱʰਓͱਓͱͷؔ܎ੑʱɺͦͷ྆ ํ͕ιϑτ΢ΣΞ։ൃͷຊ࣭z͡ΌΜɻ͜Ε΋·ͨιʔγϟϧνΣϯδʜο 5' ਪଌ·͡Γͷಈػ ɹ͑ʔɺ΍͹ʜ

wlઃܭͱ͸ɺίʔυͰ͔ͨͪΛඳ͘͜ͱͰ͋Δz w l%FTJHOJTBCPVUUIFTIBQFTXFQBJOUXJUIPVSDPEFz %BWF'BSMFZ wlιϑτ΢ΣΞઃܭ͸ਓؒؔ܎ͷΤΫααΠζͰ͋Δz w ࣮ࡍʹମΛಈ͔͢ŚŞššŘţƄ ࢼ͠ʹ΍ΔŚŞššŘţƄ ͪΐͬͱ΍ΔŚŞššŘţƄʜŰƅŦƃŽƃşƄŖŢƄͷࢻֶŴƅŚŪžŖ
wίʔυͷมߋ༰қੑ͕ߴ·Δͱɺlιϑτ΢ΣΞΛมߋ͍ͨ͠ਓͨͪzͱlมߋͰ͖Δਓͨͪz ͷؔ܎ੑ͕ΑΓΑ͘ͳΔʜͬͯ͜ͱ͸ɺίʔυΛྑ͍ͯ͘͘͜͠ͱ΋lιʔγϟϧνΣϯ δzʜŕũŠŪ w .BLF$IBOHF&BTZ5IFO.BLF&BTZ$IBOHF .$&5.&$มߋΛ؆୯ʹͰ͖Δͱ؆୯ʹมߋͰ͖ΔΑ CZ,FOU#FDL😇 wϓϩάϥϚʔ͕5ZEJOHͷŚŞššŘţƄΛ͢Δݸਓͱίʔυͷؔ܎ੑΛվળ͢Δ͜ͱ͔Β ťŖŢŒſŧŐƃŢƄΛ࢝ΊΔʜͬͯɺl4PDJBM$IBOHF4UBSUTXJUI:PVz͡ΌΜ 5' ئ๬·͡Γͷड༰ ɹͪΐͬͱ͜Εɺ·͡ϠόͰ͸ʜʁ

“Social Change Starts with You” l4PDJBM$IBOHF4UBSUTXJUI:PVzͱॻ͔Εͨ91&OEΛ͍࣋ͬͯΔͷ͸ࠃ಺Ͱ͸͖ͬ ͱͨͿΜࢲ͚ͩͳ͸ͣ Έͳ͞Μͷ͓खݩͷ91&OEʹ͸ॻ͍ͯͳ͍ͷͩʙ

ʲ࿕ใʳ,#͸ఘΊ͍ͯͳ͔ͬͨR

ʲ࿕ใʳ,#͸ఘΊ͍ͯͳ͔ͬͨR ύλʔϯΛ঺հͨ͠ຊɻͦͷجຊతͳΞΠσΞ͸ɺͻͱͭͻͱͭͷઃܭ൑அ͸ɺ૬൓͢Δ੍໿ͷ ͍͔ͭ͘Λղܾ͠ɺকདྷͷઃܭ൑அͰղফ͞ΕΔ΂੍͖໿ΛੜΈग़͢ͱ͍͏΋ͷʢ৽ͨͳ੍໿͸ খ͘͞ͳΔͱΑ͍ʣɻ͜ͷΑ͏ͳ੍໿ͷߏਤ͸܁Γฦ͞ΕΔͷͰɺlύλʔϯzͱݺ͹ΕΔɻ ͜ͷຊ͸͍͘Βਪͯ͠΋ਪ͠଍Γͳ͍ɻ͜ͷຊ͸·ͣɺઃܭऀͱઃܭͷର ৅ͱͳΔਓʑͷؔ܎ੑͷ࠶ߟ͔Β࢝·ΔɻlԿΛ͢Δͷ͔zΛܾΊΔྗ ύ ϫʔ ͸୭͕࣋ͭ΂͖ͳͷ͔ʁͦͯ͠ɺύλʔϯ΍࢐৽ͳݐઃٕ๏Λ׆༻ ͯ͠ɺ΄ͱΜͲͷઃܭ൑அΛৗࣝͱࢥ͑ΔൣғΛ͸Δ͔ʹ௒͑ͯઌૹΓ͞
ͤΔʢͳΜ͔ͩฉ͖͕֮͑ͳ͍ͩΖ͏͔ʁʣ ڧௐ౳͸Ҿ༻ऀʹΑΔ ʰܗͷ߹੒ʹؔ͢Δϊʔτʱ ʰ࣌Λ௒͑ͨݐઃͷಓʱ

https://cosen.se/iki-iki/cupid-for-joyful-coding_ja ͜ͷྲྀΕͰ࿈૝͞ΕΔͷ͸ɺ6ODMFCPCͷ40-*%ݪଇΛલ޲͖ʹ൷൑ͨ͠UBTUBQPEͷʮ$61*%ʯಛੑͷ͜ͱɻ ͘Θ͘͠͸༁จ ࢲ͕༁͠·ͨ͠ ΛಡΜͰ͘Ε💘 JLJJLJͱ͍͏DPTFOTF چTDSBQCPY ͷz8JLJzʹࡌͬͯΔΑ

https://cosen.se/iki-iki/cupid-for-joyful-coding_ja ͜ͷྲྀΕͰ࿈૝͞ΕΔͷ͸ɺ6ODMFCPCͷ40-*%ݪଇΛલ޲͖ʹ൷൑ͨ͠UBTUBQPEͷʮ$61*%ʯಛੑͷ͜ͱɻ ͘Θ͘͠͸༁จ ࢲ͕༁͠·ͨ͠ ΛಡΜͰ͘Ε💘 JLJJLJͱ͍͏DPTFOTF چTDSBQCPY ͷz8JLJzʹࡌͬͯΔΑ https://cosen.se/iki-iki/cupid-for-joyful-coding_ja 31(͸ΞϨάβϯμʔͷཧ࿦ʹ΋͘Θ͍͠ͷͩɻॅΈ΍͍͢ɺʮ࣮ՈͷΑ͏ͳ҆৺ײʯͷίʔυϕʔεͬͯ
ͦΕ͸΋͏࣮࣭ʮ;Δ͞ͱ ֓೦ ʯͷͻͱͭͱݺ΂ΔͷͰ͸

lιϑτ΢ΣΞઃܭ͸ਓؒؔ܎ͷ ΤΫααΠζͰ͋Δɻ Software design is an exercise in human relationships.
ʮιϑτ΢ΣΞઃܭͱ͸ਓؒؔ܎ͷΤΫααΠζͰ͋Δʯ͜Ε͕ʰ5' ʱγϦʔζͷςʔϚͩο

࿅श͢ΔػձΛ࣋ͭ େࣄͳ͜ͱ https://speakerdeck.com/snoozer05/agile-sapporo-learn-from-experience-and-continue-to-repair-wholeness ౡాߒೋ !TOPP[FS 4DSVN'FTU4BQQPSPTDSVNTBQQPSP ΞδϟΠϧࡳຈ LEARN FROM
EXPERIENCE AND CONTINUE TO REPAIR WHOLENESS ENISHI TECH INC. ΤΫααΠζ͡ΌΜʜ

”the Stars Be with You ͑ʹ͠ˑςοΫ ʰ5' ʱ͸͑ʹ͠ςοΫࣾͷ͑ʹ͠ˑςοΫͷͨΊʹ͔ܽͤͳ͍ͷͰ͸ʁ

·͊࣌ؒ͸͔͔ΔͰ͠ΐ͏ʜ Ͱ΋Ͷ ࣭ͱ͸࣌ؒΛ͔͚ͯ ҭ͍ͬͯ͘΋ͷͩ͠ ͦ͏͢Δ Ձ஋͸͋ΔͷͰ͸ʁࢀߟ·Ͱ ʹ ͲΕ͙Β͍࣌ؒΛ͔͚ΔՁ
஋͕͋Δ͔ͱ͍͏ͱͰ͢Ͷʜ

͍·΍91΋ʰ5' ʱ΋͑ʹ͠ςοΫ΋͢΂ͯʮ͑ʹ͠ˑςοΫʯ͔ͩΒͶʜ l΋͠΋͋ͳ͕ͨϓϩάϥϛϯάΛҰੜͷ࢓ࣄͱͯ͠औΓ ૊ΉՁ஋͕ຊ౰ʹ͋Δͷ͔ɺΑΓΑ͍ࣾձͷߏஙʹҰհͷ ϓϩάϥϚͰ΋ߩݙͰ͖Δ͜ͱ͕͋Δͷ͔ɺͦΜͳջٙత ͳؾ࣋ͪʹͳͬͨ͜ͱ͕͋ΔͳΒɺ͜ͷຊΛಡΉ͜ͱΛק Ί·͢ɻҰਓͷ༏ΕͨϓϩάϥϚ͕ಉٙ͡໰ʹਅਖ਼໘͔Β औΓ૊Έɺߠఆతͳ౴͑Λग़͢΂ۤ͘ಆͨ͠଍੻͸ɺ͖ͬ ͱਂ͍ڞײͱ֬ݴΛ΋ͨΒͯ͘͠ΕΔͰ͠ΐ͏ɻ ʮ೔ຊޠ৽༁൛΁ͷਪનͷݴ༿ʯ
ڧௐ౳͸Ҿ༻ऀʹΑΔ

lϓϩάϥϛϯάΛҰੜ ͷ࢓ࣄͱͯ͠औΓ૊Ήz

91ʹ͓͚Δlಓzͷ࣮ફͱ ͸l͑ʹ͠ˑςοΫzͰ͋Γɺ ʰ5JEZ'JSTU ʱ͸,FOU #FDLͷl͑ʹ͠ˑςοΫzͷ ࿅शŚŞššŘţƄͰ͋Δ

wTOPP[FSͷߨԋʮΞδϟΠϧࡳຈʯ͸ ૉ੖͍ͧ͠ w l"HJMF4BQQPSP-FBSOGSPNFYQFSJFODFBOEDPOUJOVFUPSFQBJS XIPMFOFTTz εΫϥϜϑΣεࡳຈͷট଴ߨԋ wʰ5JEZ'JSTU ʱ΋·ͨl͑ʹ͠ˑςοΫzͩɻ ੕ͱͱ΋ʹ͋Ε
w ͑ʹ͠ςοΫɺ͋Δ͍͸ਓؒؔ܎ͷ࿅श ŚŞššŘţƄ ͑ʹ͠ςοΩʔͨͪ΁

͜͜Ͱ શମੑʹߩݙ͢Δ෦෼ ΋·ͨશମੑΛඋ͑ ͦΕ͕࣌ؒ Λ͔͚ͯશମੑΛम෮͍ͯ͠ Δ࣮ྫΛͻͱͭ ͋Δl;Δ͞ͱzͷ ೥ؒʹݟͯΈ·͠ΐ͏ʜ

ࠃࡍԽΛ໌֬ʹҙࣝ࢝͠Ίͨ࠷ॳͷ։࠵͕೥ɻ౰࣌ɺ஍ਤͷ୆ࢴ͸ΞϚκϯͰങͬͯɺࢲ͕ϓϩοΩʔͰz8)&3&"3&:06'30. zͱॻ͍ͯɺձ৔ͷύωϧʹཆੜςʔϓͰషͬͯ·͢ɻ ΦϒδΣΫτ۞ָ෦ͷΠϕϯτͰ೔ຊ஍ਤΛுΓग़͍ͯͨ͠ͷʹΠϯεύΠΞ͞Εͨ΋ͷͰɺͦΕࣗମฏು͞Μ͕ւ֎ͷΞδϟΠϧΧϯϑΝϨϯεͰͷऔΓ૊ΈʹΠϯεύΠΞ͞Εͯͨ͸ͣʜ RubyKaigi 2009

ۙ೥͸ຖճśžŢƄūſσβΠϯ͕࡞ΒΕͯɺ੍࡞ઃஔఫڈ΋ۀऀ͞Μʹ͓ئ͍͍ͯ͠·͢ɻ໊લ΋!SVCZJTUTNBQ\ʜ^ʹͳͬͯɺ %4-ͷจ๏΋ŗŕŲƅũƄŖŪ͞Ε͍ͯΔΑ աڈʹ͸ŲƄƁŕŞŰƅŽŸŖŦ͕͋ͬͨ ɻ ࣸਅ͸ϥϒάϥϑͷࢁ࡚͞Μͷ΋ͷΛউखʹआΓ·ͨ͠ RubyKaigi 2024

l͜ͷ࣭ ແ໊ͷ࣭ ΛࣗݾͷਓੜʹٻΊΔ͜ͱ͸ɺສ ਓʹͱͬͯͷجຊత໋୊Ͱ͋Γɺ͢΂ͯͷݸਓͷ෺ޠ ͷཁͰ͋ΔɻͦΕ͸ɺࣗ෼͕࠷΋ੜ͖ੜ͖͢Δॠؒ΍ ৘گΛٻΊΔ͜ͱͰ͋Δʜ൓෮ͱมԽͱ͍͏ऴΘΓͷ ͳ͍׆ಈʜ͜Ε͕࣭ͦͷ΋ͷͰ͋Δɻ ڧௐ౳͸Ҿ༻ऀʹΑΔ

͓Θ͔Γ͍͚ͨͩ·ͨ͠ Ͱ͠ΐ͏͔

”the Stars Be with You” ͑ʹ͠ˑςοΫ

えにしテック、あるいは人間関係のエクササイズ / #enishitech-15th-anniv

えにしテック、あるいは人間関係のエクササイズ / #enishitech-15th-anniv

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