iOSDC 20190906: 動画アプリの投げ銭機能における 消耗型課金の仕組みと実装

https://fortee.jp/iosdc-japan-2019/proposal/d2ce8e9f-6294-45da-912f-2246dba78401

Transcript

1. ಈըΞϓϦͷ౤͛મػೳʹ͓͚Δ

   ফ໣ܕ՝ۚͷ࢓૊Έͱ࣮૷
   2019/09/06 iOSDC 2019
   Takeshi Ihara
   

   View Slide

2. Takeshi Ihara
   • 2018.09.01 AbemaTV Join
   • 2018.09.02 iOSDC 2018 LT
   ʮখ͘͞͸͡ΊΔ୺຤؅ཧʯ
   • ϘϧμϦϯάͱ֨ಆήʔϜ͕झຯ
   • https://twitter.com/nonchalant0303
   

   View Slide

3. αϙʔτػೳ (AbemaTV)
   • 2019.04.22

   αϙʔτػೳΛ

   ϦϦʔεʂ

   ൪૊΍൪૊ग़ԋऀʹ
   ελϯϓΛૹͬͯ

   αϙʔτ͕Ͱ͖Δʂ
   

   View Slide

4. View Slide

5. αϙʔτ͢Δͧʂ
   

   View Slide

6. 1. App಺՝ۚ
   2. ՝ۚܗࣜʹΑΔҧ͍
   3. AbemaTVʹ͓͚Δফ໣ܕ՝ۚͷઃܭ
   4. AbemaTVʹ͓͚Δফ໣ܕ՝ۚͷಈ࡞ݕূ
   5. ·ͱΊ
   

   View Slide

7. App಺՝ۚ
   

   View Slide

8. App಺՝ۚͱ͸
   • App ಺՝ۚͱ͸ɺiOS σόΠε΍ίϯϐϡʔλ্ͷ 

   App ͷதͰ௥Ճͷίϯςϯπ΍ఆظߪಡίϯςϯπΛ

   ߪೖͰ͖Δ࢓૊Έ
   https://support.apple.com/ja-jp/HT202023
   

   View Slide

9. ՝ۚܗࣜ
   • ফ໣ܕ (Consumable) - ΞϓϦ಺௨՟ͳͲ
   Ұ౓࢖͏ͱͳ͘ͳΓɺ࠶ߪೖ͢Δ͜ͱ͕Ͱ͖Δ

   • ඇফ໣ܕ (Non-Consumable) - ޿ࠂͷඇදࣔͳͲ
   Ұ౓ͷߪೖ͚ͩͰແ੍ݶʹ࢖༻Ͱ͖Δ
   • ࣗಈߋ৽αϒεΫϦϓγϣϯ (Auto-Renewable Subscriptions) - ֹ݄VODͳͲ
   ݄ؒαʔϏε΍ఆظతʹΞοϓσʔτ͞ΕͨίϯςϯπΛߪೖ͢Δ͜ͱ͕Ͱ͖Δ
   • ඇߋ৽αϒεΫϦϓγϣϯ (Non-Renewing Subscriptions) - γʔζϯύεͳͲ
   ظؒݶఆͷαʔϏε΍ίϯςϯπΛߪೖ͢Δ͜ͱ͕Ͱ͖Δ
   

   View Slide

10. AbemaTVʹ͓͚Δࣗಈߋ৽αϒεΫϦγϣϯ
    • ¥960/݄ͰϓϨϛΞϜػೳΛఏڙ
    1. ͢΂ͯͷ࡞඼͕ݟ์୊
    2. ޿ࠂͳ͠ͰϏσΦΛ͙͢࠶ੜ
    3. ์ૹதͰ΋࠷ॳ͔ΒΈΒΕΔ
    4. μ΢ϯϩʔυͰ௨৴ྔΛ΄΅θϩʹ
    5. ์ૹޙͷ൪૊Ͱ΋ίϝϯτָ͕͠ΊΔ
    

    View Slide

11. AbemaTVʹ͓͚Δফ໣ܕ՝ۚ
    • ΞϓϦ಺௨՟(AbemaίΠϯ)
    ίΠϯͰελϯϓΛߪೖͯ͠ɺ

    ൪૊΍൪૊ग़ԋऀʹελϯϓΛૹͬͯ

    αϙʔτ͕Ͱ͖Δʂ
    

    View Slide

12. ՝ۚܗࣜʹΑΔҧ͍
    

    View Slide

13. ՝ۚܗࣜʹΑΔػೳͷҧ͍
    ࠶ߪೖͷՄ൱ Ϩγʔτ΁ͷදࣔ
    σόΠεؒͰͷಉ
    ظ
    ෮ݩ
    ফ໣ܕ
    ˓

    Կ౓Ͱ΋
    
    ࠶ߪೖ·Ͱ ಉظͳ͠ ෮ݩ͞Εͳ͍
    ඇফ໣ܕ ✖ ৗʹ
    γεςϜʹΑΓಉ
    ظ
    γεςϜʹΑΓಉ
    ظ
    ࣗಈߋ৽

    αϒεΫϦϓγϣ
    ϯ
    ✖

    ࣗಈతʹߋ৽͞Ε
    Δ
    
    ৗʹ
    γεςϜʹΑΓಉ
    ظ
    γεςϜʹΑΓಉ
    ظ
    ඇߋ৽αϒεΫϦ
    ϓγϣϯ
    ˓
    ߋ৽͢Δ
    
    ৗʹ "QQʹΑΓಉظ "QQʹΑΓಉظ
    https://developer.apple.com/jp/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Products.html#//apple_ref/doc/uid/TP40008267-CH2-SW2
    https://developer.apple.com/jp/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Restoring.html#//apple_ref/doc/uid/TP40008267-CH8-SW9
    

    View Slide

14. ՝ۚܗࣜʹΑΔػೳͷҧ͍
    ࠶ߪೖͷՄ൱ Ϩγʔτ΁ͷදࣔ
    σόΠεؒͰͷಉ
    ظ
    ෮ݩ
    ফ໣ܕ
    ˓

    Կ౓Ͱ΋
    
    ࠶ߪೖ·Ͱ ಉظͳ͠ ෮ݩ͞Εͳ͍
    ඇফ໣ܕ ✖ ৗʹ
    γεςϜʹΑΓಉ
    ظ
    γεςϜʹΑΓಉ
    ظ
    ࣗಈߋ৽

    αϒεΫϦϓγϣ
    ϯ
    ✖

    ࣗಈతʹߋ৽͞Ε
    Δ
    
    ৗʹ
    γεςϜʹΑΓಉ
    ظ
    γεςϜʹΑΓಉ
    ظ
    ඇߋ৽αϒεΫϦ
    ϓγϣϯ
    ˓
    ߋ৽͢Δ
    
    ৗʹ "QQʹΑΓಉظ "QQʹΑΓಉظ
    https://developer.apple.com/jp/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Products.html#//apple_ref/doc/uid/TP40008267-CH2-SW2
    https://developer.apple.com/jp/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Restoring.html#//apple_ref/doc/uid/TP40008267-CH8-SW9
    

    View Slide

15. ࠶ߪೖ͕Կ౓Ͱ΋ग़དྷΔ
    • ϩʔΧϧͷϨγʔτͷߪೖཤྺ্͕ॻ͖͞ΕΔ
    ߪೖʹԠͨ͡ΠϯηϯςΟϒΛϢʔβʔʹ෇༩Ͱ͖ͳ͘ͳΔ

    AppStoreʹΑΔ՝ۚॲཧ͸׬͍ྃͯ͠Δ
    → ՝͚ۚͩൃੜͯ͠ϢʔβʔʹΠϯηϯςΟϒΛ

    ෇༩͍ͯ͠ͳ͍ঢ়ଶ
    

    View Slide

16. {
    "receipt": {
    …,
    "in_app": [
    {
    "product_id": “com.nonchalant.consumable1”,
    "transaction_id": "1000000551439498",
    "purchase_date": "2019-09-01 00:00:00 Etc/GMT”,
    …
    }
    ]
    }
    }
    Ϩγʔτ (ॳճߪೖ࣌)
    https://developer.apple.com/library/archive/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1
    

    View Slide

17. {
    "receipt": {
    …,
    "in_app": [
    {
    "product_id": “com.nonchalant.consumable1",
    "transaction_id": "1000000556349963",
    "purchase_date": "2019-09-03 10:10:26 Etc/GMT”,
    …
    }
    ]
    }
    }
    Ϩγʔτ (࠶ߪೖ࣌)
    https://developer.apple.com/library/archive/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1
    

    View Slide

18. ࠶ߪೖ͕ग़དྷΔ৚݅
    • ಉ͡঎඼ͷ՝ۚτϥϯβΫγϣϯ͕ऴ͍ྃͯ͠Δ
    ՝ۚτϥϯβΫγϣϯ
    → SKPaymentTransaction
    τϥϯβΫγϣϯ͕ऴ͍ྃͯ͠Δ
    → SKPaymentQueue.finishTransaction(_:)
    

    View Slide

19. ՝ۚτϥϯβΫγϣϯͷѻ͍ͷ஫ҙ఺
    • ΠϯηϯςΟϒΛ෇༩͢Δ·ͰτϥϯβΫγϣϯΛऴྃͯ͠͸͍͚ͳ͍
    > Once you’ve delivered the product, your application must call finishTransaction:
    to complete the transaction. When you call finishTransaction:, the transaction is
    removed from the payment queue. To ensure that products are not lost, your
    application should deliver the product before calling finishTransaction:.
    • ߪೖཤྺ͕Ϩγʔτʹৗʹදࣔ͞ΕΔ՝ۚܗࣜͰ͸

    ҙࣝ͠ͳͯ͘΋໰୊ͳ͍
    ඇফ໣ܕɺࣗಈߋ৽αϒεΫϦϓγϣϯɺඇߋ৽αϒεΫϦϓγϣϯ
    https://www.rapid-ideas.com/previews/wsa/page9/files/StoreKitGuide.pdf
    

    View Slide

20. AbemaTVʹ͓͚Δ

    ফ໣ܕ՝ۚͷઃܭ
    

    View Slide

21. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

22. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

23. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

24. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

25. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

26. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

27. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

28. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

29. ফ໣ܕ՝ۚͷߪೖϑϩʔ
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    3. Ϩγʔτૹ৴
    2. ߪೖ׬ྃ
    

    View Slide

30. ՝ۚ׬ྃޙʹࣦഊ͢Δέʔε 1
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    3. Ϩγʔτૹ৴
    2. ߪೖ׬ྃ
    

    View Slide

31. Ϩγʔτૹ৴ʹࣦഊ͢Δέʔε
    • ωοτϫʔΫͳͲͷ໰୊Ͱ

    APIϦΫΤετͷ։࢝ʹࣦഊ͢Δέʔε
    • AppStoreʹΑΔ՝ۚ͸ൃੜ͍ͯ͠Δ
    • αʔόʔଆͰAbemaίΠϯ෇༩͕ग़དྷ͍ͯͳ͍
    • ՝ۚτϥϯβΫγϣϯ͸ऴ͍ྃͯ͠ͳ͍
    Ϣʔβʔ͕࠶ߪೖͰ͖ͳ͍
    

    View Slide

32. ՝ۚ׬ྃޙʹࣦഊ͢Δέʔε 2
    4. ϨγʔτݕূϦΫΤετ
    5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    7. ׬ྃϨεϙϯε (201)
    1. ߪೖϦΫΤετ

    (τϥϯβΫγϣϯͷ։࢝)
    8. τϥϯβΫγϣϯ

    ͷऴྃ
    2. ߪೖ׬ྃ
    3. Ϩγʔτૹ৴
    

    View Slide

33. ׬ྃϨεϙϯεʹࣦഊ͢Δέʔε
    • ΞϓϦͷΫϥογϡͳͲͰ

    APIϨεϙϯεͷड৴ʹࣦഊ͢Δέʔε
    • AppStoreʹΑΔ՝ۚ͸ൃੜ͍ͯ͠Δ
    • αʔόʔଆͰAbemaίΠϯ෇༩͕׬͍ྃͯ͠ΔՄೳੑ͕͋Δ
    • ՝ۚτϥϯβΫγϣϯ͸ऴ͍ྃͯ͠ͳ͍
    Ϣʔβʔ͕࠶ߪೖͰ͖ͳ͍
    

    View Slide

34. ະ׬ྃτϥϯβΫγϣϯͷ
    ϦτϥΠ͕ඞཁ
    

    View Slide

35. AbemaίΠϯະ෇༩ͷϦτϥΠ
    3. ϨγʔτݕূϦΫΤετ
    4. Ϩγʔτݕূ݁Ռ 5. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    6. ׬ྃϨεϙϯε (201)
    7. τϥϯβΫγϣϯ

    ͷऴྃ
    2. Ϩγʔτૹ৴
    1. ະ׬ྃτϥϯβΫγϣϯͷऔಘ

    (SKPaymentQueue.transactions)
    

    View Slide

36. AbemaίΠϯະ෇༩ͷϦτϥΠ
    3. ϨγʔτݕূϦΫΤετ
    4. Ϩγʔτݕূ݁Ռ 5. AbemaίΠϯ

    ෇༩
    App Store
    AbemaTV iOS AbemaTV Server
    6. ׬ྃϨεϙϯε (201)
    7. τϥϯβΫγϣϯ

    ͷऴྃ
    2. Ϩγʔτૹ৴
    1. ະ׬ྃτϥϯβΫγϣϯͷऔಘ

    (SKPaymentQueue.transactions)
    

    View Slide

37. AbemaίΠϯ෇༩ࡁΈͷϦτϥΠ
    3. ϨγʔτݕূϦΫΤετ
    4. Ϩγʔτݕূ݁Ռ
    App Store
    AbemaTV iOS AbemaTV Server
    5. AbemaίΠϯ෇༩ࡁΈΤϥʔ (409)
    6. τϥϯβΫγϣϯ

    ͷऴྃ
    2. Ϩγʔτૹ৴
    1. ະ׬ྃτϥϯβΫγϣϯͷऔಘ

    (SKPaymentQueue.transactions)
    

    View Slide

38. AbemaίΠϯ෇༩ࡁΈͷϦτϥΠ
    3. ϨγʔτݕূϦΫΤετ
    4. Ϩγʔτݕূ݁Ռ
    App Store
    AbemaTV iOS AbemaTV Server
    5. AbemaίΠϯ෇༩ࡁΈΤϥʔ (409)
    6. τϥϯβΫγϣϯ

    ͷऴྃ
    2. Ϩγʔτૹ৴
    1. ະ׬ྃτϥϯβΫγϣϯͷऔಘ

    (SKPaymentQueue.transactions)
    

    View Slide

39. AbemaίΠϯ෇༩ࡁΈͷϦτϥΠ
    3. ϨγʔτݕূϦΫΤετ
    4. Ϩγʔτݕূ݁Ռ
    App Store
    AbemaTV iOS AbemaTV Server
    5. AbemaίΠϯ෇༩ࡁΈΤϥʔ (409)
    6. τϥϯβΫγϣϯ

    ͷऴྃ
    2. Ϩγʔτૹ৴
    1. ະ׬ྃτϥϯβΫγϣϯͷऔಘ

    (SKPaymentQueue.transactions)
    

    View Slide

40. τϥϯβΫγϣϯ͕

    ऴ͍ྃͯ͠Δ
    → AbemaίΠϯ͕

    ෇༩͞Ε͍ͯΔ
    

    View Slide

41. ϦτϥΠॲཧͷݺͿλΠϛϯά
    • ىಈ࣌ɺόοΫϑΥΞ࣌ɺίΠϯ࢒ߴදࣔ࣌ʹ

    ϦτϥΠॲཧΛߦ͏
    Ϣʔβʔ͕ίΠϯ࢒ߴΛ֬ೝ͢ΔલʹϦτϥΠ͢ΔΑ͏ʹͯ͠ɺ

    ෆ੔߹ʹؾ෇͔ͤͮΒ͍ͤͯ͘͞Δ
    

    View Slide

42. ϦτϥΠॲཧͷ஫ҙ఺
    • ະ׬ྃτϥϯβΫγϣϯ͸SKPaymentQueue.transactionsͰ
    औಘͰ͖Δ
    ߪೖதͷτϥϯβΫγϣϯ΋ؚ·ΕΔ

    • ਖ਼ৗͳߪೖϑϩʔͷࡍ͸ϦτϥΠॲཧ

    ΛߦΘͳ͍ͳͲͷॲཧ͕ඞཁ
    

    View Slide

43. AbemaTVʹ͓͚Δ

    ফ໣ܕ՝ۚͷ

    ಈ࡞ݕূ
    

    View Slide

44. ݕূ߲໨ͷೝࣝ߹Θͤ
    • ߪೖϑϩʔ͕τϥϯβΫγϣϯͳͲͷ಺෦ͷঢ়ଶʹґଘͯ͠
    ͍ΔͷͰɺQAνʔϜʹγʔέϯεਤΛ౉ͯ͠΋

    ݕূ߲໨Λ࡞੒͢Δͷ͕೉͍͠
    • ࣮ࡍʹͲͷΑ͏ͳঢ়گͰͲͷΑ͏ͳૢ࡞Λ͢Ε͹ɺͲͷΑ͏
    ͳঢ়ଶʹͳΔ͔ͷೝࣝ߹ΘͤΛ͠ͳ͍ͱ

    ݕূ߲໨Λ࡞੒Ͱ͖ͳ͍
    

    View Slide

45. Mind Meister
    • ϚΠϯυϚοϓ࡞੒πʔϧͷMind MeisterΛ༻͍ͯ

    ೝࣝ߹ΘͤΛ͠·ͨ͠
    https://www.mindmeister.com/1309256136?t=X6wMB2GxG6
    

    View Slide

46. ίΠϯपΓͷදࣔܥ
    

    View Slide

47. ίΠϯपΓͷදࣔܥ
    

    View Slide

48. ੒ޭ͢Δߪೖϑϩʔ
    

    View Slide

49. ࣦഊ͢Δߪೖϑϩʔ
    

    View Slide

50. ߪೖϑϩʔͷಈ࡞ݕূ
    • ফ໣ܕ՝ۚͷߪೖϑϩʔΛ࣮૷ͨ͠αϯϓϧϓϩδΣΫτ
    https://github.com/Nonchalant/Consumable
    - Consumable In-App Purchase
    - Combine
    - SwiftUI
    

    View Slide

51. View Slide

52. ·ͱΊ
    

    View Slide

53. ·ͱΊ
    • ফ໣ܕ՝ۚ͸ΠϯηϯςΟϒΛ෇༩͢Δ·Ͱ

    τϥϯβΫγϣϯΛऴྃ͠ͳ͍
    ࠶ߪೖ͢Δͱߪೖཤྺ্͕ॻ͖͞ΕΔͨΊ
    • ߪೖϑϩʔͰࣦഊ͢Δ͜ͱ͕͋ΔͷͰϦτϥΠػߏ͕ඞཁ
    ਖ਼ৗͳߪೖಋઢ্ͰϦτϥΠ͠ͳ͍
    

    View Slide

54. Thank you
    

    View Slide