PiaDOOR Privacy Policy

日本語: プライバシーポリシー

PiaDOOR Inc. ("we", "us" or "our") aims to provide reliable services to the people listed below (collectively, "users") through services such as PiaDOOR Online Lessons, PiaDOOR Competition Lessons, PiaDOOR In-person Lessons, PiaDOOR Piano School Directory, PiaDOOR Classical Competition, PiaDOOR Promenade (recitals), paid sheet music and the PiaDOOR app (lesson management, sheet music and drills) (collectively, the "Services").

• Students and their parents or guardians of PiaDOOR Online Lessons, PiaDOOR Competition Lessons and PiaDOOR In-person Lessons
• Students and their parents or guardians looking for piano schools or teachers through PiaDOOR Piano School Directory
• Representatives of piano schools recruiting students through PiaDOOR Piano School Directory
• Participants, their teachers, judges, venue staff and others involved in PiaDOOR Classical Competition
• Participants, their teachers, venue staff and others involved in PiaDOOR Promenade
• Purchasers and users of paid sheet music
• Teachers, students and parents or guardians who use the PiaDOOR app

The PiaDOOR app is available in countries and regions around the world, including Japan (with some exceptions). The other Services are available in Japan only. This Privacy Policy consists of provisions common to all the Services and provisions for specific Services (such as Article 4).

We recognize that handling the personal information entrusted to us properly, in compliance with the Act on the Protection of Personal Information of Japan and related guidelines (and, for users who live outside Japan, the laws of their country or region), is one of our important responsibilities. We have therefore established this Privacy Policy, make it known to and ensure it is thoroughly observed by everyone involved, including our employees and contractors, and strive to keep improving.

In this Privacy Policy, "personal information" means information that can identify a specific individual, such as a name, nickname, gender, date of birth, address, telephone number or email address, including information that can identify an individual when combined with other information. We also handle information that cannot identify a specific individual on its own, such as device identifiers (notification addresses), IP addresses and usage records, in the same way as personal information, as information about users.

1. When we collect personal information, we state the purposes of use in advance and collect it by lawful and fair means. We handle the personal information we collect appropriately within the stated purposes and do not use it for any other purpose. We also take security measures to prevent use beyond those purposes.
2. We collect the following information (only what each Service needs):
   • Account information: email address, password (stored in a form that cannot be reversed), country or region, time zone, language and currency
   • Sign-in with Apple or Google: the email address we receive from Apple or Google (if you choose Apple's "Hide My Email", a forwarding address provided by Apple), the identifier that Apple or Google assigns to each user, your name (used only to pre-fill the account creation screen) and information used to disconnect from Apple (used only for signing in, creating your account and disconnecting)
   • Name and related information: name, phonetic reading of the name, name in Roman letters, nickname, gender, date of birth, address, telephone number and name on receipts
   • Usage records: lesson schedules and records, monthly fee and charge records, chat messages, application, purchase and payment records, performance videos, audio and judges' comments, and the content of inquiries (credit card information is held by the payment provider, not by us)
   • Device and connection information: the address for (push) notifications, device language, IP address, browser and app type, login records and cookies (on our website)
   • Records of agreement: the type and version of the terms agreed to, the date and time, IP address, browser information and the language of the terms shown on the agreement screen
   • Sheet music: when you use sheet music in the PiaDOOR app while logged in, the sheet music files you import, the titles and composers of the scores, annotations, lists, practice records (the time a score was open) and display settings
3. We collect this information from what users enter themselves, from records created as users use the Services, and from what teachers and parents or guardians enter (for example, lesson records entered by a teacher, or a child's name registered by a parent or guardian). When you sign in with your Apple or Google account, we receive the information listed under "Sign-in with Apple or Google" in the previous paragraph from Apple or Google, within the scope you allow on Apple's or Google's screen.
4. Sheet music and drills in the PiaDOOR app can be used without logging in. In that case, we do not collect any personal information (records are kept only on the device). Importing sheet music with the camera, turning pages with facial gestures and recording are done only on the device; we do not collect the video or audio.

We use users' personal information for the following purposes:

• Providing the Services (including entering into, changing and ending contracts)
• In the PiaDOOR app, sharing lesson schedules, records, monthly fees, charges and chats between teachers and students or their parents or guardians, and sending notifications (push notifications and emails)
• In the PiaDOOR app, storing the sheet music (Article 2) of logged-in users and keeping it the same across their devices, and sending sheet music and sheet music annotations from teachers to students
• Checking the age rules of each country or region when an account is created (Article 9)
• Calculating, billing and processing payments for the Services
• Handling changes (such as cancellation of membership and correction of registered information)
• Preventing, investigating and responding to fraudulent applications, misuse and non-payment
• Providing information about the Services and new services
• Researching and analyzing how the Services are used, and providing information about it
• Evaluating and improving service quality and developing new services
• Developing, operating and managing systems, equipment and software
• Investigating and responding to failures, bugs and other problems
• Recording, managing and providing service usage history
• Access analysis to understand usage and improve quality (including the use of tools such as Google Analytics)
• Compiling statistics on usage and using them in our publications, publicity and advertising in various media
• Products, services and campaigns to promote use
• Surveys
• Displaying and delivering advertisements, events, product introductions and the like
• In PiaDOOR Piano School Directory, publishing school names, addresses, telephone numbers and other information about schools on our website to help students and parents or guardians choose a school with confidence
• In PiaDOOR Piano School Directory, providing information given by students and parents or guardians to schools and teachers as needed, and analyzing and evaluating usage after the introduction
• Participation in, judging and operation of PiaDOOR Classical Competition, PiaDOOR Promenade and other events (the "Events")
• Providing flyers, guidelines, comments (including summaries, analyses and reconstructions using AI), certificates, plaques, trophies, souvenirs and the like for the Events
• Sending comments and other work products of the judges of the Events to external providers for analysis and processing by AI, and creating and providing personal reports on performances
• Selecting, announcing and publishing award winners and their teachers, and selecting, announcing and publishing teacher awards, for the Events
• Publishing and distributing photos, audio and videos from the Events in our publicity (for example, on our official website or YouTube channel)
• Responding to inquiries and consultations

1. In the PiaDOOR app, when a student (including a parent or guardian) connects with a teacher by accepting the teacher's invitation, the following information becomes visible to both the teacher and the student or their parent or guardian. This is the core of the Service and results from the user's own action (connecting).
   • Names, lesson schedules and records, monthly fee and charge records, chat messages, and sheet music and sheet music annotations sent by the teacher
   A student's sheet music (imported sheet music, annotations, lists and practice records) is not visible to the teacher.
2. When the connection is ended, no new messages can be sent. Earlier chats and records remain as the teacher's records. When a teacher deletes their teacher registration (including by deleting their account), the students and parents or guardians who were connected with that teacher can no longer see the chats, lessons or monthly fee records with that teacher. Sheet music annotations sent by the teacher remain on the student's sheet music (the teacher's name is not shown).

1. We do not provide personal information to third parties without the person's prior consent, except in the following cases:
   • When based on laws and regulations
   • When necessary to protect a person's life, body or property and it is difficult to obtain the person's consent
   • When especially necessary to improve public health or promote the sound development of children and it is difficult to obtain the person's consent
   • When it is necessary to cooperate with a national government agency, a local government or a party entrusted by them in performing duties prescribed by laws and regulations, and obtaining the person's consent is likely to interfere with the performance of those duties
2. In addition, in the following cases we may provide the necessary information to the parties concerned within the purposes of use in this Privacy Policy, whether or not this counts as provision to a third party:
   • In PiaDOOR Piano School Directory, providing information given by students and parents or guardians to schools and teachers as needed
   • In the PiaDOOR app, sharing the information in Article 4 between connected teachers and students or their parents or guardians

1. To the extent necessary for our business, we may outsource all or part of the handling of personal information to external providers (for example, instructors, venue staff, judges, payment providers, delivery companies, system operators and AI data analysis and processing services). In that case, we enter into the necessary contracts with them, supervise them appropriately and do not let them handle personal information beyond what is needed for the purposes of use. We require them to protect personal information to the same standard as this Privacy Policy.
2. If a party to which we provide personal information, or to which we outsource its handling, under this Article is located in a country outside Japan, we will inform you in advance of the name of that country, its system for protecting personal information and the protective measures taken by that party, and obtain your consent (or, if you are a minor, the consent of a person with parental authority). However, this does not apply if that country meets the standards set by the rules of the Personal Information Protection Commission of Japan (such as the EU and the UK), or if that party continuously maintains a system that meets those standards.
3. Our main contractors and recipients and their countries are as follows. If they change, we will revise this Privacy Policy and let you know.

   Purpose	Provider (country)
   Payments (credit cards)	Stripe, Inc. (United States)
   Push notifications for the PiaDOOR app	Google LLC (United States): Firebase Cloud Messaging
   Sign-in with Apple or Google	Apple Inc. (United States) and Google LLC (United States)
   Storage and delivery of images, videos and sheet music	Cloudflare, Inc. (United States)
   Backup storage	Backblaze, Inc. (United States)
   Access analysis, advertising, cloud and AI analysis	Google LLC (United States): Google Analytics, Google Ads, Google AdSense, Google Cloud, Gemini and others
   Affiliate programs	Moshimo Co., Ltd. (Japan)
   Server and email operations	Providers in Japan (Japan)

4. For the privacy policies of the external providers we use, and reference material on personal information protection systems in other countries, please see the following:
   • Google Privacy Policy
   • Apple Privacy Policy
   • Stripe Privacy Policy
   • Cloudflare Privacy Policy
   • Backblaze Privacy Notice
   • Moshimo Affiliate Privacy Policy (in Japanese)
   • Personal Information Protection Commission of Japan: research on personal information protection systems in other countries (in Japanese)

1. You can delete your account yourself at any time ("Delete account" on My page in the PiaDOOR app, or in the account settings on our website; see "Deleting your PiaDOOR account" for the steps).
2. After you delete your account, you can no longer log in to the app or the website. Personal information such as names, addresses, names on receipts and payment methods (cards) is erased 30 days after the deletion. Imported sheet music files, score titles and annotations are erased when you delete that score, and all of your sheet music (including lists and practice records) is erased when you delete the participant or the account. As long as you have another way to log in (a password, or the other of Apple and Google), you can unlink Apple or Google at any time in the account settings of the PiaDOOR app. When you unlink it or delete your account, we immediately erase the link information (such as the identifier), and for Apple we also revoke the connection with Apple.
3. However, the following records may be kept as records in accordance with this Privacy Policy, for the reasons below.

   Record	Retention period	Reason
   Records of agreement to the terms (type, version, date and time, IP address, browser information and language of the text)	No fixed period	To show under which agreement we hold the records we keep and the email address
   Teachers' ledgers (lesson, monthly fee and charge records), chat messages, instructors' lesson records and the like (records of the other party's work, such as notes to instructors and messages sent with applications)	No fixed period	They are the accounting and teaching records of the other party (teachers, instructors or us); your deletion does not delete the other party's records. Even when a teacher deletes their account, these records are kept in case of inquiries to us or disputes (no one can see them)
   Official records of competitions and the Events, such as judging results, participation history, award history (including teacher awards) and programs	No fixed period	To ensure fairness and keep historical records (Article 10, paragraph 4)
   Payment and accounting records	At least 7 years	To keep books and records as required by law
   Email address (in a form that cannot be used to log in)	No fixed period	To prevent the same email address from receiving trials and campaign offers repeatedly
   Records of accounts we deleted for a violation of our terms or a similar reason (the original email address, the reason, and the date and time)	No fixed period	To respond to improper use and to prepare for disputes (Article 10, paragraph 4)
   Sheet music annotations sent by a teacher	Until the teacher withdraws them or the student (participant) or account is deleted	They are the results of the student's learning (even when the teacher deletes their account, they are kept without showing the teacher's name)
   Records of our contact with music schools (publicly available information about the school, such as its name, the teacher's name, address, email address and website, and records of our contact and exchanges)	No fixed period	To contact music schools and teachers about our services (including schools and teachers not registered with the Services; deleting an account does not erase them). If you ask us to erase them, we erase them except for the record needed to stop contacting you
   Backup copies	A certain period (for files such as images, videos and sheet music, up to about 30 days after the original is deleted)	To recover from failures (not used for any other purpose)

4. Temporary information that was not used, such as provisional registrations, is erased after a certain period.

1. We take necessary and appropriate security measures to prevent leakage, loss, damage and unauthorized access to personal information.
2. Our main measures include access restrictions, preventing access by unauthorized persons, managing the devices and cloud services that handle personal information, encrypting communications, storing passwords in a form that cannot be reversed, establishing internal rules and training our employees.
3. We also supervise contractors that handle personal information appropriately to ensure its security.

1. People under the age we set for each country or region cannot create an account themselves. In that case, a parent or guardian should create an account with their own email address and register the child as the person who takes lessons.
2. To check age, we may ask for a date of birth when an account is created. This date of birth is used only for the check and is not stored.
3. Parents and guardians can request disclosure, correction, deletion and the like of their child's personal information under Article 10.
4. When sheet music and drills in the PiaDOOR app are used without logging in, we do not collect any personal information (Article 2, paragraph 4).

1. When the person concerned or their representative requests disclosure, correction, addition, deletion, suspension of use, erasure or the like of the personal data we hold, we will respond promptly and to a reasonable extent in accordance with the law (in principle, within one month).
2. To make a request, please contact us at support@piadoor.com. We will respond after the required procedure and identity verification.
3. For requests for disclosure of personal data, we charge a handling fee of 3,300 yen (including tax) per request. We will explain how to pay when we receive the request. However, requests from people who live in the European Union (EU), the European Economic Area, the United Kingdom or Switzerland are free of charge (except for requests that are manifestly unfounded or excessive).
4. We may be unable to accept requests for deletion, suspension of use and the like in any of the following cases. We ask for your understanding in advance.
   • When necessary to comply with obligations under the law
   • When we judge it necessary to respond to fraudulent acts, prohibited acts, mischief or the like
   • When we judge that publication or retention is necessary as official records of competitions and events we organize, such as judging results, participation history (including entries for teacher awards), award history (including teacher awards) and programs, to ensure fairness and keep historical records

1. As a Japanese company, we store and process personal information mainly in Japan (some of it is processed in the countries of the contractors in Article 6).
2. If you live in the European Union (EU), the European Economic Area, the United Kingdom, Switzerland or another country or region, you can request access to, correction of, erasure of, restriction of processing of and portability of your personal information, object to its processing and withdraw your consent, in accordance with the laws of your country or region (contact us as in Article 10). You can also lodge a complaint with the supervisory authority in your country or region.
3. We handle personal information on the basis of providing the Services (performance of a contract), our legal obligations, our legitimate interests (preventing fraud and improving the Services) or your consent.
4. We have not appointed a representative in the EU.

Unless otherwise provided by law, we may change this Privacy Policy without users' prior consent, and changes take effect when posted on our website. We will announce important changes on our website or in the PiaDOOR app.

Company: PiaDOOR Inc.
Representative: Yoichiro Tobimatsu (Representative Director)
Address: 3-19-4 Fujimidai, Kunitachi-shi, Tokyo 186-0003, Japan
Contact: support@piadoor.com (replies take 2–3 business days, excluding weekends, Japanese public holidays and the New Year holidays; see also our contact page)

This Privacy Policy was prepared in Japanese, and this English version is a translation for reference. If there is any discrepancy between the Japanese and English versions, the Japanese version prevails.