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YAMATOMO Terms of Service

Established: January 23, 2026
Last Updated: March 19, 2026
Version: 2.0


Table of Contents

  • Preamble
  • Chapter 1: General Provisions
  • Chapter 2: Accounts
  • Chapter 3: Use of the Service
  • Chapter 3-2: Premium Plan
  • Chapter 3-3: AI-Assisted Features
  • Chapter 4: Content
    • Article 12-2: Special Provisions for Photo Content
  • Chapter 5: Prohibited Activities
  • Chapter 6: Relationships Between Users
    • Article 16-2: Community Moderation
  • Chapter 7: Service Interruption and Modification
  • Chapter 8: Mountain Activities and Safety
    • Article 19-2: Disclaimer Regarding Accuracy of Mountain Information
    • Article 19-3: Weather Information Service
    • Article 19-4: Mountain Chat Auto-Join Feature
  • Chapter 9: Guide Certification
  • Chapter 10: Partner Shop Services
  • Chapter 11: Payment Services
  • Chapter 12: Disclaimers
  • Chapter 13: Damages
  • Chapter 14: Usage Restrictions and Deregistration
  • Chapter 15: Withdrawal
  • Chapter 16: Intellectual Property Rights
  • Chapter 17: Confidentiality
  • Chapter 18: Handling of Personal Information
  • Chapter 19: Exclusion of Antisocial Forces
  • Chapter 20: Prohibition of Assignment of Rights and Obligations
  • Chapter 21: Severability
  • Chapter 22: Amendments to the Terms
  • Chapter 23: Notices and Communications
  • Chapter 24: Governing Law and Jurisdiction
  • Chapter 25: Dispute Resolution by Consultation
  • Chapter 26: Miscellaneous
  • Supplementary Provisions

Preamble

These Terms of Service (hereinafter referred to as "these Terms") set forth the conditions for the use of the mountain community platform "YAMATOMO" (hereinafter referred to as "the Service") provided by YAMATOMO Operations (hereinafter referred to as "the Company"). All users (hereinafter referred to as "Users") must agree to these Terms before using the Service.

The Service is a community platform that connects people who enjoy mountains, providing features such as mountain friend (yamatomo) matching, community creation and participation, mountain chat, direct messaging, group chat, community group chat, nearby yamatomo search, partner shop information, and guide certification. Users utilize the Service at their own risk and responsibility.

Mountain climbing and hiking are inherently dangerous activities. The Company is not responsible for any accidents, injuries, illnesses, or damages that may occur during mountain activities conducted through the Service. Users must ensure their own safety and engage in mountain activities at their own risk and responsibility.


Chapter 1: General Provisions

Article 1 (Application)

Paragraph 1 (Scope of Application)

These Terms apply to all relationships related to the use of the Service between Users and the Company.

Paragraph 2 (Supplementary Provisions)

The Company may establish individual provisions, additional terms, or guidelines (hereinafter collectively referred to as "Individual Provisions") for the Service in addition to these Terms. These Individual Provisions shall constitute a part of these Terms.

Paragraph 3 (Priority)

In the event of any discrepancy between these Terms and Individual Provisions, the Individual Provisions shall prevail unless otherwise specified in the Individual Provisions.

Article 2 (Definitions)

In these Terms, the following terms shall have the meanings set forth below:

  1. "The Service" means the mountain community platform "YAMATOMO" provided by the Company, including all related services, features, and content.

  2. "User" means any individual who uses the Service in accordance with these Terms.

  3. "Account Information" means the authentication information (Apple ID information, Google account information, or other authentication information), user ID, and other information managed in connection with the use of the Service.

  4. "Profile Information" means information that Users set in the Service, including nickname, profile image, date of birth, gender, self-introduction, hiking experience, preferred mountains, external links, and other information.

  5. "Posted Content" means text, images, photographs, and other content that Users post, transmit, or display through the Service.

  6. "Community" means a group created by Users within the Service for activities such as mountain climbing and hiking.

  7. "Partner Shop" means a store or facility that has entered into a partner agreement with the Company and provides information or benefits to Users through the Service.

  8. "Premium Plan" means the paid subscription service provided within the Service, to which Article 9-2 applies.

  9. "Premium Member" means a User who has subscribed to the Premium Plan.

  10. "Free Member" means a User who has not subscribed to the Premium Plan.

  11. "Guide Certified User" means a User who has received guide certification through the guide certification feature of the Service.

  12. "Paid Community" means a community that requires a participation fee.

  13. "Personal Data" has the meaning defined in the Company's Privacy Policy.

  14. "Payment Service Provider" means the third-party payment service provider used by the Company (such as Stripe, Inc.).

  15. "AI-Assisted Feature" means a feature within the Service that utilizes artificial intelligence (AI) technology to assist Users.

  16. "Weather Information Service" means a feature that provides Users with weather information obtained from external weather data providers such as JMA (Japan Meteorological Agency) or Open-Meteo through the mountain chat detail screen and mountain detail screen within the Service.

  17. "QR Code Profile Sharing" means a feature that allows Users to generate their profile in QR code format and share it with other Users.

  18. "Block" means a feature that restricts interaction with a specific User.

  19. "Mute" means a feature that temporarily hides notifications from a specific chat room or User.

  20. "Mountain Chat Auto-Join Feature" means the function that automatically joins Users to a mountain's daily Mountain Chat when they are within a 5km radius of that mountain, based on their location data.


Chapter 2: Accounts

Article 3 (Account Registration)

Paragraph 1 (Registration Method)

Users shall register for the Service using the authentication method designated by the Company (Sign in with Apple, Sign in with Google, or other authentication methods designated by the Company).

Paragraph 2 (Completion of Registration)

Account registration shall be completed when the Company approves the registration application. Upon completion of registration, a usage agreement for the Service shall be established between the User and the Company.

Paragraph 3 (Refusal of Registration)

The Company may refuse registration in the following cases:

  1. When the registration applicant has violated these Terms in the past

  2. When false information is included in the registration information

  3. When the Company otherwise determines that registration is inappropriate

Article 4 (Account Management)

Paragraph 1 (Management Obligation)

Users shall appropriately manage their account information at their own responsibility. Users shall not allow third parties to use their account information, nor shall they transfer, lend, or otherwise dispose of it to third parties.

Paragraph 2 (Disclaimer)

The Company shall not be liable for any damage arising from the use of a User's account by a third party, unless there is intentional misconduct or gross negligence on the part of the Company.

Article 5 (Profile Information)

Paragraph 1 (Setting of Profile Information)

Users may set their profile information within the scope designated by the Company. Users shall not set profile information that falls under any of the following:

  1. False information

  2. Information that infringes on the rights of third parties (including intellectual property rights, portrait rights, and privacy rights)

  3. Information that is obscene, violent, or otherwise contrary to public order and morals

  4. Information that may constitute defamation or insult

  5. Other information that the Company deems inappropriate

Paragraph 2 (Profile Visibility)

  1. User profile information (nickname, user ID, profile image, hiking experience, preferred mountains, external links, number of yamatomo friends, joined communities, reviews, self-introduction, etc.) shall, as a general rule, be viewable by other Users.

  2. Users may change the public/private setting of their profiles from the My Page screen. When set to private, the display range of detailed profile information shall be limited.

  3. However, basic information such as nickname, user ID, and profile image shall be displayed to other Users regardless of the settings.


Chapter 3: Use of the Service

Article 6 (Scope of the Service)

Paragraph 1 (Main Features)

The Service provides the following features:

  1. Yamatomo (mountain friend) matching feature

  2. Community creation and participation feature

  3. Mountain chat feature (chat organized by mountain)

  4. Direct messaging feature

  5. Group chat feature

  6. Community group chat feature

  7. Nearby yamatomo search feature (using location information)

  8. Mountain information provision feature

  9. Partner shop information provision feature

  10. Guide certification feature

  11. Identity verification feature

  12. Notification feature

  13. Paid community feature (community with participation fees)

  14. Album feature (photo sharing feature within communities)

  15. User search feature (search by user ID, search by name)

  16. QR code feature (sharing user profiles via QR code)

  17. AI community creation feature (community creation support feature using AI)

  18. Weather Information Service: Display of weather forecasts and weather warnings based on external weather data from JMA (Japan Meteorological Agency) or Open-Meteo on the mountain chat detail screen and mountain detail screen

  19. QR Code Profile Sharing feature: A feature to generate one's own profile as a QR code and share it with other Users

  20. Mountain Search feature: Search for mountains by mountain name or keyword, and browsing mountain information by country/region

  21. Multi-language Support: Use of the app in Japanese, English, Chinese (Simplified), Korean, French, German, and Italian

  22. Mountain Chat Auto-Join Feature: Automatically joins Users to a mountain's daily Mountain Chat when within 5km, and automatically exits when leaving the area

  23. Other features that the Company deems appropriate

Paragraph 2 (Service Details)

The details, scope, and conditions of the Service shall be as specified by the Company in the Service or on the Company's website.

Article 7 (Fees)

Paragraph 1 (Free Use)

The basic features of the Service may be used free of charge. However, communication fees required for using the Service shall be borne by the User.

Paragraph 2 (Paid Services)

When the Company provides paid services, the fees and payment conditions shall be separately determined by the Company and presented within the Service.

Article 8 (Modification of the Service)

Paragraph 1 (Right to Modify)

The Company may, at its discretion, modify, add to, or discontinue the content of the Service without prior notice to Users.

Paragraph 2 (Disclaimer for Modification)

The Company shall not be liable for any damage incurred by Users as a result of any modification, addition, or discontinuation of the content of the Service.

Article 9 (Usage Environment)

Paragraph 1 (User Responsibility)

Users shall prepare the communication equipment, software, and other items necessary for using the Service at their own expense and responsibility.

Paragraph 2 (Supported Environments)

  1. The Service is provided as an iOS application. Users shall use the Service on devices that meet the system requirements specified by the Company.

  2. Even in the supported environment specified by the Company, the operation of the Service is not guaranteed under all conditions.


Chapter 3-2: Premium Plan

Article 9-2 (Premium Plan)

Paragraph 1 (Premium Plan Benefits)

  1. Premium Members may enjoy the following benefits:

    1. Unlimited Mountain Chat participation (no usage limits)
    2. Unlimited Community creation (no creation limits)
    3. Unlimited Community participation (no participation limits)
    4. Album feature (photo sharing within communities)
    5. AI Community Creation usage limit removal (unlimited)
    6. Other benefits that the Company may add from time to time
  2. Free Members may use the Service subject to the following usage limits:

    1. Mountain Chat participation: up to 3 times per month
    2. Community creation: up to 1 time per month
    3. Community participation: up to 3 times per month
    4. Album feature: not available
    5. AI Community Creation: up to 3 times per day
  3. Free member usage counts (free tier) are reset on the 1st of each month. (AI Community Creation free tier is reset daily.)

  4. The Company may change the content of Premium Plan benefits. When making changes, the Company shall provide advance notice within the Service or on the Company's website.

Paragraph 2 (Premium Plan Features and Free Member Limits)

  1. Free Members may use the Service subject to the usage limits specified in Paragraph 1. Specific limits are managed through Firebase Remote Config (provided by Google LLC) and may be changed at the Company's discretion.

  2. Premium Members may use features without the above limits (or with expanded limits). Details of Premium Plan features are presented within the Service and on the Company's website.

Paragraph 3 (Subscription and Payment)

  1. Subscription to the Premium Plan is processed through the Apple App Store in-app purchase mechanism (hereinafter referred to as "App Store IAP").

  2. Subscription fees, billing cycles, and other payment conditions for the Premium Plan follow the terms of the App Store IAP.

  3. Subscription fees are billed at the beginning of each billing cycle in accordance with App Store IAP terms.

Paragraph 4 (Automatic Renewal)

  1. The Premium Plan automatically renews unless the User cancels the subscription before the end of the current billing cycle.

  2. Cancellation of automatic renewal shall be performed by the User through the device settings or App Store account management.

Paragraph 5 (Cancellation and Refund)

  1. After cancellation of the Premium Plan, the User may continue to use Premium features until the end of the current billing cycle.

  2. Refunds for the Premium Plan follow Apple Inc.'s App Store refund policy. The Company cannot directly process refunds.

Paragraph 6 (Changes to the Premium Plan)

  1. The Company may change the content, features, prices, and other conditions of the Premium Plan.

  2. When making significant changes, the Company shall notify Users in advance through in-app notifications, the Company's website, or other appropriate methods.

Paragraph 7 (Free Trial)

  1. The Company may offer a free trial period for the Premium Plan.

  2. The conditions and period of the free trial follow the terms presented in the Service and the terms of the App Store IAP.

  3. Upon expiration of the free trial period, the subscription automatically converts to a paid subscription unless the User cancels the subscription.

Paragraph 8 (Guide Service Compensation)

  1. Guide Certified Users may receive compensation for guide services through the paid community feature.

  2. The compensation amount shall be determined between the Guide Certified User and participating Users.

  3. The Company acts as an intermediary platform facilitating the connection between Guide Certified Users and participating Users and is not a party to the guide service contract.

  4. The Company shall not be liable for any damage arising from guide services.


Chapter 3-3: AI-Assisted Features

Article 9-3 (AI-Assisted Features)

Paragraph 1 (Overview)

The Service provides AI-assisted features (hereinafter referred to as "AI Features") using the Claude API provided by Anthropic, PBC. AI Features are provided to assist Users with community creation.

Paragraph 2 (Scope of AI Features)

AI Features include, but are not limited to, the following:

  1. Community description draft generation

  2. Other content generation assistance that the Company deems appropriate

Paragraph 3 (Limitations of AI Features)

  1. Content generated by AI Features is provided as suggestions and is not guaranteed to be accurate, complete, or appropriate.

  2. Users are responsible for reviewing, editing, and confirming AI-generated content before use.

  3. The Company shall not be liable for any damage arising from the use of AI-generated content.

Paragraph 4 (Usage Limits)

  1. Usage limits for AI Features may differ between Free Members and Premium Members. Specific limits are managed through Firebase Remote Config and may be changed at the Company's discretion.

  2. The Company may set daily usage limits for AI Features.

Paragraph 5 (Data Handling)

  1. Text messages and conversation history entered by Users in AI Features are sent to Anthropic, PBC's servers for processing.

  2. Anthropic, PBC guarantees, under its API terms of service, that submitted data will not be used for AI model training.

  3. For details on the handling of data by Anthropic, PBC, please refer to the Company's Privacy Policy.


Chapter 4: Content

Article 10 (Posted Content)

Paragraph 1 (User Responsibility)

Users are responsible for the content they post through the Service. Users shall not post content that falls under any of the following:

  1. Content that infringes on the intellectual property rights, portrait rights, privacy rights, or other rights of third parties

  2. Content that is obscene, violent, or otherwise contrary to public order and morals

  3. Content that constitutes defamation or insult

  4. False or misleading content

  5. Content that promotes or facilitates illegal activities

  6. Content that contains computer viruses or other harmful programs

  7. Content that may interfere with the operation of the Service

  8. Other content that the Company deems inappropriate

Paragraph 2 (Rights to Posted Content)

  1. Intellectual property rights to Posted Content belong to the User who posted them. However, by posting content through the Service, the User grants the Company a worldwide, non-exclusive, royalty-free, sublicensable, and transferable license to use, reproduce, modify, adapt, publish, translate, create derivative works from, distribute, and display such content for the purpose of providing and promoting the Service.

  2. The license granted in the preceding paragraph shall survive even after the User withdraws from the Service or the Posted Content is deleted, to the extent necessary for the operation of the Service.

  3. Users shall not exercise moral rights against the Company or parties licensed by the Company with respect to Posted Content.

Paragraph 3 (Deletion of Content)

  1. The Company may, without prior notice, delete or make invisible Posted Content that falls under any of the items of Paragraph 1 or that the Company otherwise deems inappropriate.

  2. The Company shall not be liable for any damage incurred by Users as a result of the deletion or invisibility of Posted Content.

Article 11 (Prohibited Content)

Users shall not post the following content through the Service:

  1. Content that promotes illegal drug use

  2. Content that promotes weapons, explosives, or dangerous substances

  3. Content that promotes suicide or self-harm

  4. Content related to child exploitation

  5. Content that promotes discrimination based on race, ethnicity, nationality, religion, gender, sexual orientation, disability, or other attributes

  6. Content that promotes specific political or religious views

  7. Content that constitutes spam or unauthorized advertising

  8. Content that may facilitate the identification of individuals (publishing another person's real name, address, workplace, school, etc. without consent)

  9. Content involving commercial transactions, solicitation of other services, multi-level marketing, or similar activities

  10. Other content that the Company deems inappropriate

Article 12 (Handling of Posted Content)

Paragraph 1 (Monitoring)

The Company may monitor Posted Content to ensure compliance with these Terms. However, the Company is not obligated to monitor all Posted Content.

Paragraph 2 (User Reports)

Users may report to the Company any Posted Content that they believe violates these Terms. The Company shall review the reported content and take appropriate measures if necessary.

Article 12-2 (Special Provisions for Photo Content)

Paragraph 1 (Album Feature)

  1. Users may upload and share photos within communities using the album feature.

  2. Uploaded photos shall be viewable by members of the applicable community.

Paragraph 2 (Photo Content Rights)

  1. Copyright and other intellectual property rights to photos uploaded by Users belong to the User who uploaded them.

  2. By uploading photos, Users grant the Company a license equivalent to that set forth in Article 10, Paragraph 2.

Paragraph 3 (Privacy Considerations for Photo Content)

  1. Users shall exercise caution to ensure that photos do not contain information that may identify third parties (faces, license plates, expressions, etc.) without their consent.

  2. The Company may remove EXIF information (shooting location, date and time, camera information, etc.) from uploaded photos for privacy protection purposes.


Chapter 5: Prohibited Activities

Article 13 (Prohibited Activities)

Users shall not engage in the following activities when using the Service:

  1. Activities that violate laws, regulations, or court orders

  2. Activities related to criminal acts

  3. Activities that infringe on the intellectual property rights, portrait rights, privacy rights, reputation, or other rights or interests of the Company, other Users, or third parties

  4. Activities that transmit excessively violent expressions, explicit sexual expressions, expressions that constitute discrimination based on race, nationality, creed, gender, social status, family origin, etc., expressions that induce or encourage suicide, self-harm, or drug abuse, or other antisocial content that causes discomfort to others

  5. Activities aimed at commercial purposes, advertising, solicitation, or other economic benefits not approved by the Company (excluding those approved by the Company)

  6. Activities that benefit or cooperate with antisocial forces

  7. Activities intended to meet strangers of the opposite sex for romantic or sexual purposes

  8. Activities that directly or indirectly cause disadvantage or damage to the Company, other Users, or third parties

  9. Activities that interfere with the operation of the Service

  10. Unauthorized access or attempts to do so

  11. Activities that collect or store personal information of other Users

  12. Activities that impersonate other Users or third parties

  13. Activities that directly or indirectly provide benefits to antisocial forces in connection with the Service

  14. Creation or use of multiple accounts by the same person

  15. Activities that may lead to the misidentification of the Company or a third party, or that endorse or are associated with the Company or a third party

  16. Activities aimed at collecting or obtaining personal information, registered information, or usage history of other Users

  17. Activities that use the Service for political activities, electoral activities, religious activities, or similar purposes

  18. Stalking or harassment of other Users

  19. Manipulation, falsification, or falsification of evaluation, reviews, or other information within the Service

  20. Use of automated programs (bots, crawlers, scrapers, etc.) to access the Service

  21. Activities that place an excessive load on the Service's servers or network

  22. Reverse engineering, decompiling, disassembling, or other analysis of the Service's software

  23. Other activities that the Company deems inappropriate

Article 14 (Measures Against Violations)

Paragraph 1 (Company Measures)

When a User engages in any activity falling under the preceding article, the Company may, without prior notice, take the following measures:

  1. Deletion of the relevant Posted Content

  2. Restriction of use of all or part of the Service

  3. Suspension or deletion of the account

  4. Other measures that the Company deems appropriate

Paragraph 2 (Disclaimer)

The Company shall not be liable for any damage incurred by Users as a result of measures taken under this article.


Chapter 6: Relationships Between Users

Article 15 (Relationships Between Users)

Paragraph 1 (Self-Responsibility)

Interactions and relationships between Users through the Service are conducted at each User's own risk and responsibility. The Company shall not be liable for disputes, damages, or other issues arising between Users.

Paragraph 2 (Dispute Resolution)

In the event of a dispute between Users, the Users involved shall resolve the dispute through consultation between themselves. When the Company deems it necessary, the Company may mediate or take other measures, but is not obligated to do so.

Article 16 (Community)

Paragraph 1 (Community Creation)

  1. Users may create communities within the Service in accordance with the conditions set by the Company.

  2. Community creators are responsible for managing the communities they create.

Paragraph 2 (Community Participation)

  1. Users may participate in communities within the Service subject to the conditions of each community.

  2. Users shall comply with the rules of the communities they join.

Paragraph 3 (Community Deletion)

  1. Community creators may delete the communities they created.

  2. The Company may delete a community without prior notice if it deems the community to be in violation of these Terms or otherwise inappropriate.

Article 16-2 (Community Moderation)

Paragraph 1 (Moderator Authority)

  1. Community creators and Users designated as moderators (hereinafter collectively referred to as "Moderators") may exercise the following moderation authority:

    1. Removal of community members
    2. Deletion of messages within the community
    3. Modification of community settings
    4. Other management actions necessary for community operation
  2. Moderators shall exercise their moderation authority appropriately and shall not abuse it.

Paragraph 2 (Company Intervention)

  1. When the Company determines that a Moderator's exercise of moderation authority is inappropriate, the Company may override the moderation decision or take other necessary measures.

  2. The Company's intervention does not mean that the Company is obligated to monitor or manage all communities.

Paragraph 3 (Disclaimer)

The Company shall not be liable for any damage incurred by Users as a result of a Moderator's exercise of moderation authority, except in cases of intentional misconduct or gross negligence by the Company.


Chapter 7: Service Interruption and Modification

Article 17 (Service Interruption)

Paragraph 1 (Grounds for Interruption)

The Company may, without prior notice to Users, suspend or interrupt the provision of all or part of the Service in the following cases:

  1. When performing maintenance, inspection, or updating of the computer system related to the Service

  2. When the provision of the Service becomes difficult due to force majeure such as earthquakes, lightning, fire, power outages, natural disasters, or the spread of infectious diseases

  3. When a computer or communication line is shut down due to an accident

  4. When the infrastructure services used for operating the Service (Firebase (Google LLC), Apple Inc., Stripe, Inc., etc.) experience failures or interruptions

  5. When the Company otherwise determines that suspension or interruption of the Service is necessary

Paragraph 2 (Disclaimer)

The Company shall not be liable for any disadvantage or damage incurred by Users or third parties as a result of the suspension or interruption of the Service.

Article 18 (Termination of the Service)

Paragraph 1 (Right to Terminate)

The Company may terminate the provision of the Service by notifying Users in advance through means the Company deems appropriate.

Paragraph 2 (Disclaimer)

The Company shall not be liable for any damage incurred by Users as a result of the termination of the Service.


Chapter 8: Mountain Activities and Safety

Article 19 (Mountain Activities)

Paragraph 1 (Self-Responsibility)

Mountain activities (mountain climbing, hiking, trekking, and all other mountain-related activities) conducted through the Service are performed at each User's own risk and responsibility. Users must ensure their own safety.

Paragraph 2 (Obligation to Prepare)

When engaging in mountain activities, Users shall prepare the following:

  1. Appropriate equipment and clothing

  2. Sufficient physical fitness and skills

  3. Activity plan (including route, schedule, and emergency contacts)

  4. Checking weather information

  5. Submission of a climbing notification (when necessary)

  6. Consideration of mountain insurance enrollment

  7. Other preparations that the User deems necessary

Paragraph 3 (Emergency Response)

In the event of an emergency during mountain activities, Users shall contact the appropriate authorities (police 110, fire department 119, etc.) themselves. The Service is not an emergency reporting system.

Article 19-2 (Disclaimer Regarding Accuracy of Mountain Information)

Paragraph 1 (Nature of Mountain Information)

Mountain-related information provided through the Service (including but not limited to mountain names, elevations, difficulty ratings, routes, estimated times, required equipment, and weather information) is for reference purposes only and does not guarantee accuracy, completeness, or currency.

Paragraph 2 (User Responsibility)

Users shall also refer to information from public authorities, experts, and local sources, and shall not rely solely on information obtained through the Service when engaging in mountain activities. Users shall act at their own judgment and responsibility.

Paragraph 3 (Disclaimer)

The Company shall not be liable for any damage arising from mountain activities conducted based on information provided through the Service.

Article 19-3 (Weather Information Service)

Paragraph 1 (Nature of Weather Information)

  1. The Service displays weather forecasts (7-day forecasts) and weather warning/advisory information on the mountain chat detail screen and mountain detail screen, based on weather data published by the Japan Meteorological Agency (hereinafter referred to as "JMA") (for mountains in Japan) or weather data obtained from Open-Meteo (an open-source weather API provided by Open-Meteo GmbH) (for mountains outside Japan).

  2. The information provided through the Weather Information Service is for reference purposes only, and the Company makes no warranty whatsoever regarding its accuracy, completeness, currency, or real-time nature.

  3. The Weather Information Service displays data obtained from external weather data providers and does not involve the Company independently conducting weather observation or forecasting. In displaying the data, visual representation processing such as converting numerical codes to icons may be performed, but the content of the weather data itself is not independently modified or processed. The Company has not obtained permission for forecast services as defined in the Meteorological Service Act (Act No. 165 of 1952), and this feature is not provided as "forecast services" as defined in said Act.

  4. The weather forecasts displayed in the Weather Information Service are regional forecasts for the area where the mountain is located. Actual weather conditions near the summit (temperature, wind speed, precipitation, etc.) may differ significantly from the displayed forecast. Generally, temperature decreases by approximately 0.6°C for every 100 meters of elevation gain. Users must understand this point before referring to weather information.

Paragraph 2 (Data Sources and Updates)

  1. For mountains in Japan, only JMA public data is used in compliance with the Meteorological Service Act and other applicable laws. For mountains outside Japan, only Open-Meteo data is used.

  2. Weather information is periodically cached, and real-time updates may not occur. The displayed information may differ from actual weather conditions.

  3. Weather information may be temporarily or continuously unavailable due to external data source failures, API specification changes, communication failures, or other reasons.

Paragraph 3 (Display of Weather Warnings and Advisories)

  1. The Service may display weather warnings (storm warnings, heavy rain warnings, etc.), advisories (wind advisories, thunder advisories, etc.), and special warnings issued by JMA.

  2. The warnings and advisories displayed do not cover all warnings and advisories issued by JMA, and it is not guaranteed that the display timing will be simultaneous with JMA's announcements.

  3. When engaging in mountain activities, Users must not rely solely on the warning displays in the Service, but must also check multiple information sources including JMA's official website, TV and radio weather information, mountain hut information, and other sources.

Paragraph 4 (Disclaimer)

  1. The Company shall not be liable for any damage incurred by Users arising from or related to errors, delays, incompleteness, or data source failures in weather information provided through the Weather Information Service.

  2. The decision to proceed with or cancel mountain activities based on weather information shall be made by the Users themselves, and the Company shall not be liable for such decisions.

  3. Even if the Service fails to display a weather warning or advisory, resulting in a User being unable to become aware of the issuance of the warning, the Company shall not be liable.

Paragraph 5 (Attribution Display)

The source of weather data displayed in the Weather Information Service is shown within the app. When Users communicate weather information to third parties, they must clearly indicate that it is reference information.

Article 19-4 (Mountain Chat Auto-Join Feature)

Paragraph 1 (Overview)

  1. The Service provides the Mountain Chat Auto-Join Feature, which automatically joins Users to a mountain's daily Mountain Chat when the User is within a 5km radius of that mountain.

  2. The Mountain Chat Auto-Join Feature is enabled by default (ON). Users may disable this feature at any time from the settings screen within the Service.

  3. When the User leaves the 5km radius of the mountain, the User is automatically removed from the Mountain Chat that was joined through this feature.

Paragraph 2 (Handling of Location Information)

  1. Location information used by the Mountain Chat Auto-Join Feature is acquired through the device's GPS function only while the app is running in the foreground.

  2. All location information processing is performed locally on the User's device and is not transmitted to the Company's servers.

  3. The room IDs of Mountain Chats joined through this feature are stored locally on the device and are automatically reset at midnight Japan Standard Time (JST) each day.

Paragraph 3 (Auto-Join and Auto-Exit Mechanics)

  1. When the Mountain Chat Auto-Join Feature is enabled and the User enters within a 5km radius of a registered mountain, the User is automatically joined to that mountain's daily Mountain Chat.

  2. When the User moves beyond the 5km radius of the mountain, the User is automatically removed from the Mountain Chat.

  3. The auto-join and auto-exit are processed based on the GPS location information obtained from the device. The determination of whether the User is within the 5km radius is performed locally on the device.

Paragraph 4 (Disclaimers)

  1. The Company does not guarantee the accuracy of GPS positioning. Due to GPS signal conditions, terrain, weather, and other factors, actual distances may differ from calculated distances, and auto-join or auto-exit may not function correctly.

  2. The Company shall not be liable for any damage arising from the Mountain Chat Auto-Join Feature not functioning as intended due to GPS accuracy issues, device conditions, or other factors.

  3. Users must understand and accept that the Mountain Chat Auto-Join Feature is provided as a convenience feature and that its operation is not guaranteed under all conditions.


Chapter 9: Guide Certification

Article 20 (Guide Certification)

Paragraph 1 (Application)

Users may apply for guide certification through the guide certification feature of the Service.

Paragraph 2 (Review)

  1. The Company shall review guide certification applications based on the submitted certification documents.

  2. The Company may approve or reject the application at its discretion.

Paragraph 3 (Effects of Certification)

  1. Users who receive guide certification will have a guide certification badge displayed on their profile.

  2. Guide certification indicates that the Company has confirmed the certification document image and does not guarantee the User's actual guiding ability, skills, experience, or safety management capabilities.

Paragraph 4 (Revocation)

The Company may revoke guide certification if the Company determines that the certified User falls under any of the following:

  1. When the submitted certification document is found to be false or forged

  2. When the User violates these Terms

  3. When the Company otherwise deems it necessary

Paragraph 5 (Disclaimer)

The Company shall not be liable for any damage arising from guide services provided by Guide Certified Users, except in cases of intentional misconduct or gross negligence by the Company.


Chapter 10: Partner Shop Services

Article 21 (Partner Shop Information)

Paragraph 1 (Information Provision)

The Company provides information about partner shops through the Service. This information includes the store name, location, business hours, services, coupon information, and other information.

Paragraph 2 (Accuracy of Information)

While the Company strives to ensure the accuracy of partner shop information, it does not guarantee its accuracy, completeness, or currency. Users shall confirm information directly with the partner shop when necessary.

Article 22 (Transactions with Partner Shops)

Paragraph 1 (Direct Transactions)

Transactions between Users and partner shops are conducted directly between the User and the partner shop. The Company is not a party to such transactions.

Paragraph 2 (Disclaimer)

The Company shall not be liable for disputes, damages, or other issues arising from transactions between Users and partner shops.

Article 23 (Partner Shop Reviews)

Paragraph 1 (Posting Reviews)

  1. Users may post reviews about partner shops through the Service.

  2. Reviews shall be based on the User's actual experience and shall be posted accurately and fairly.

Paragraph 2 (Prohibited Review Content)

Users shall not post reviews that fall under any of the items listed in Article 10, Paragraph 1 or Article 11.

Paragraph 3 (Handling of Reviews)

  1. The Company may delete or make invisible reviews that violate these Terms or that the Company deems inappropriate.

  2. The Company shall not be liable for any damage incurred by Users as a result of such deletion or invisibility.

Article 23-2 (Partner Shop Coupon System)

Paragraph 1 (Overview of Coupons)

  1. Partner shops may issue coupons (hereinafter referred to as "Coupons") through the Service.

  2. The content, conditions, validity period, and other details of Coupons are determined by each partner shop.

Paragraph 2 (Coupon Usage)

  1. Users may use Coupons by presenting them at the applicable partner shop in accordance with the conditions of each Coupon.

  2. Coupon usage may require verification through the slide-to-redeem mechanism or other verification methods designated by the Company.

  3. Once a Coupon has been used, it cannot be reused.

Paragraph 3 (Usage Limits)

  1. The Company may set limits on the number of Coupons that can be used per day.

  2. Usage limits may differ between Free Members and Premium Members.

Paragraph 4 (Coupon Disclaimer)

  1. The Company does not guarantee the content, quality, safety, or legality of the goods or services provided through Coupons.

  2. Disputes arising from Coupon usage shall be resolved directly between the User and the partner shop.

Article 23-3 (Dispute Resolution for Transactions with Partner Shops)

Paragraph 1 (Resolution Between Parties)

Disputes arising from transactions with partner shops (including but not limited to product defects, service deficiencies, and Coupon redemption issues) shall be resolved through consultation between the User and the partner shop.

Paragraph 2 (Company Mediation)

When the Company deems it necessary, the Company may mediate between the User and the partner shop. However, the Company is not obligated to mediate and shall not be liable for the outcome of any mediation.


Chapter 11: Payment Services

Article 24 (Payment Services)

Paragraph 1 (Overview)

The Service provides payment functionality for paid communities using the payment infrastructure provided by Stripe, Inc. (hereinafter referred to as "Stripe").

Paragraph 2 (Payment Processing)

  1. Payments for paid community participation fees are processed through Stripe Payments.

  2. The Company does not directly handle credit card numbers, bank account information, or other payment method details. These are collected and managed directly by Stripe.

Paragraph 3 (Revenue Collection by Community Creators)

  1. Community creators of paid communities may receive revenue through Stripe Connect.

  2. To receive revenue, community creators must create a Stripe Connect account and complete the required identity verification and setup procedures.

  3. Revenue transfers are subject to platform fees (commissions) set by the Company.

Paragraph 4 (Platform Fees)

  1. The Company deducts platform fees from paid community participation fees. The specific fee rates are presented within the Service.

  2. Platform fees may be changed at the Company's discretion. When making changes, the Company shall notify Users in advance.

Article 25 (Stripe Terms of Service)

  1. Users who use payment features shall also agree to and comply with Stripe, Inc.'s terms of service.

  2. The Company shall not be liable for failures, delays, or errors in Stripe's payment processing.

Article 26 (Refunds)

Paragraph 1 (Refund Policy)

  1. Refunds for paid community participation fees follow the refund policy set by the Company.

  2. As a general rule, once a paid community has been joined, refunds are not available.

Paragraph 2 (Exceptional Refunds)

The Company may, at its discretion, process refunds in the following cases:

  1. When the paid community is deleted by the community creator shortly after joining

  2. When a system error results in duplicate charges

  3. Other cases where the Company deems a refund appropriate

Paragraph 3 (Disclaimer)

The Company shall not be liable for any damage arising from the content or operation of paid communities, except in cases of intentional misconduct or gross negligence by the Company.


Chapter 12: Disclaimers

Article 27 (No Warranty of Service)

Paragraph 1 (General Non-Warranty)

The Company does not warrant, either expressly or impliedly, the following with respect to the Service:

  1. That the Service is suitable for the User's specific purposes

  2. That the Service has the expected functionality, commercial value, accuracy, or usefulness for the User

  3. That the Service conforms to laws, regulations, or internal rules of industry organizations applicable to the User

  4. That the Service will be provided continuously without interruption

  5. That the Service is free of security defects, errors, bugs, malfunctions, rights infringements, or other defects

  6. That the Service does not contain viruses, malware, or other harmful code

  7. That information obtainable through the Service is accurate, complete, current, or useful

  8. That other Users encountered through the Service are safe and trustworthy

Paragraph 2 (Non-Warranty of Information)

  1. The Company makes no warranty whatsoever regarding the accuracy, completeness, currency, usefulness, or legality of information provided through the Service (including but not limited to information posted by other Users and information provided by partner shops).

  2. The Company makes no warranty whatsoever regarding the accuracy, completeness, or currency of mountain-related information provided through the Service (route information, difficulty ratings, estimated times, equipment, weather conditions, etc.).

  3. Users shall use information obtained through the Service at their own judgment and responsibility, and the Company shall not be liable for any damage arising from actions based on such information.

Article 28 (General Disclaimers)

Paragraph 1 (Disclaimer for Service Provision)

The Company shall not be liable for any damage incurred by Users arising from or in connection with the Service, except in cases of intentional misconduct or gross negligence by the Company.

Paragraph 2 (Disclaimer for Other Users)

  1. The Company shall not be liable for the actions of other Users.

  2. The Company shall not be liable for any damage incurred by a User as a result of interactions with other Users, except in cases of intentional misconduct or gross negligence by the Company.

Paragraph 3 (Disclaimer for Third-Party Services)

  1. The Service may contain links to services, content, advertisements, or websites provided by third parties other than the Company.

  2. The Company shall not be liable for the content, safety, or legality of services, content, advertisements, or websites provided by third parties.

  3. When Users use third-party services, content, advertisements, or websites, the terms of use, privacy policies, and other terms of such third parties shall apply.

  4. The Service operates on the Firebase platform (authentication, database, cloud storage, Cloud Functions, push notifications, etc.) provided by Google LLC. The terms of use of Google LLC may also apply to the use of Firebase.

  5. The Service uses the payment infrastructure provided by Stripe, Inc. for its payment features. The terms of use of Stripe, Inc. also apply to the use of payment features.

  6. The Service uses the Claude API provided by Anthropic, PBC for its AI-assisted features.

  7. The Service uses the Google Maps API for displaying partner shop location information and other purposes.

  8. The Service uses, for its Weather Information Service, for mountains in Japan, the JMA public weather data API, and for mountains outside Japan, the Open-Meteo API provided by Open-Meteo GmbH. The terms of use of the JMA website apply to the use of JMA data.

  9. The Company shall not be liable for service interruptions or data loss caused by failures of Firebase, Stripe, Anthropic, Google Maps, JMA, Open-Meteo, or other third-party services.

Paragraph 4 (Disclaimer for Force Majeure)

The Company shall not be liable for any damage incurred by Users when the provision of all or part of the Service becomes impossible due to natural disasters, wars, riots, civil disturbances, terrorism, spread of infectious diseases, enactment or amendment of laws, administrative guidance, communication line failures, power supply interruptions, cyber attacks, or other causes not attributable to the Company.

Article 29 (Disclaimer for Mountain Activities)

Paragraph 1 (Comprehensive Disclaimer)

The Company shall not be liable for any damage incurred by Users arising from or in connection with mountain activities conducted through the Service, except in cases of intentional misconduct or gross negligence by the Company.

Paragraph 2 (Specific Disclaimer Items)

The disclaimer in the preceding paragraph includes, but is not limited to, the following damages:

  1. Accidents, injuries, illness, or death during mountain climbing

  2. Damage caused by sudden weather changes

  3. Damage caused by slips, falls, rockfalls, avalanches, or other topographical factors

  4. Hypothermia, altitude sickness, heat stroke, or other physical conditions

  5. Getting lost or stranded

  6. Damage caused by wild animals or poisonous plants

  7. Damage caused by the negligence of other Users

  8. Criminal victimization (assault, injury, theft, fraud, sexual harm, etc.)

  9. Damages from cancellation of mountain activities or schedule changes

  10. Rescue costs and search costs

  11. Loss or damage of equipment and belongings

  12. Damages related to guide services provided by Guide Certified Users

  13. All other damages related to mountain activities

Paragraph 3 (Disclaimer for Non-Warranty of Information)

  1. The Company shall not be liable for any damage arising from mountain activities conducted based on mountain-related information provided through the Service.

  2. When engaging in mountain activities, Users shall not rely solely on information obtained through the Service, but shall also refer to information from public authorities, experts, and local sources, and shall act at their own judgment and responsibility.


Chapter 13: Damages

Article 30 (Scope of Damages)

Paragraph 1 (Consumer Contracts)

If the contract between the Company and the User based on these Terms constitutes a consumer contract as defined in the Consumer Contract Act, the provisions of these Terms that completely exempt the Company from liability for damages shall not apply, and the Company shall be liable for damages only when the Company causes damage to the User through intentional misconduct or gross negligence.

Paragraph 2 (Limitation of Damages)

  1. With respect to compensation for damages incurred by Users due to the Company's negligence (excluding gross negligence) in breach of obligation or tort, the following limitations shall apply.
  2. The Company shall be liable only within the scope of normally foreseeable damages and shall not be liable for lost profits or other special damages.
  3. The maximum amount of damages shall be the amount of usage fees paid by the User to the Company in the month in which the damage occurred (0 yen if the User is not using paid services).

  4. The provisions of the preceding paragraph shall not apply in cases of intentional misconduct or gross negligence by the Company.

Article 31 (Damages by Users)

Paragraph 1 (Obligation to Compensate)

If a User causes damage to the Company or a third party through acts that violate these Terms, or through intentional misconduct or negligence, the User must compensate the Company or such third party for all damages (including attorney's fees and litigation costs).

Paragraph 2 (Indemnification of the Company)

If the Company receives claims, complaints, lawsuits, or other legal proceedings from a third party arising from or in connection with a User's actions, the User must indemnify the Company for all damages and costs incurred (including attorney's fees, litigation costs, settlement payments, and damage compensation).


Chapter 14: Usage Restrictions and Deregistration

Article 32 (Usage Restrictions)

Paragraph 1 (Right to Take Measures)

The Company may, without prior notice to the User, take measures such as deletion of Posted Content, restriction of all or part of the Service, suspension of the account, or other measures the Company deems appropriate, if the User falls under any of the following:

  1. When the User violates any provision of these Terms, or when the Company determines that there is a risk of violation

  2. When false information is found in the registration information

  3. When the User fails to respond to communications from the Company for a certain period

  4. When the Service has not been used for more than one year since the last use

  5. When there is a default on payment obligations such as fees

  6. When the User is found to be associated with antisocial forces

  7. When the User engages in acts that damage the credibility of the Company, the Service, other Users, or third parties

  8. When the Company otherwise determines that the use of the Service is inappropriate

Paragraph 2 (Account Suspension (BAN))

  1. As a measure under the preceding paragraph, the Company may suspend a User's account (BAN).

  2. Users who receive a BAN will be unable to log in to the Service.

  3. A BAN shall remain in effect permanently unless lifted by the Company.

  4. Users who receive a BAN may not create a new account to use the Service.

Paragraph 3 (Measures Against Multiple Accounts)

If a User holds multiple accounts, the Company may take measures against all such accounts.

Paragraph 4 (Disclaimer for Measures)

The Company shall not be liable for any damage incurred by Users as a result of measures taken under this article.

Article 33 (Deregistration)

Paragraph 1 (Grounds for Deregistration)

The Company may, without prior notice to the User, delete the account (deregister) if the User falls under any of the following:

  1. When the User falls under any item of Article 32 and fails to correct the issue within a reasonable period despite the Company's request for correction

  2. When the User falls under any item of Article 32 and the violation is serious

  3. When the trust relationship with the Company has been lost or the Company otherwise determines that it is difficult to maintain the contractual relationship

Paragraph 2 (Effects of Deregistration)

  1. If an account is deleted, the User shall lose all rights related to the Service.

  2. Data deleted as a result of account deletion cannot be recovered.

  3. Even after account deletion, some content posted by the User may remain viewable by other Users.

Paragraph 3 (Disclaimer for Deregistration)

The Company shall not be liable for any damage incurred by Users as a result of deregistration under this article.


Chapter 15: Withdrawal

Article 34 (Withdrawal)

Paragraph 1 (Method of Withdrawal)

Users may withdraw from the Service at any time through the withdrawal procedure designated by the Company (procedure from the settings screen within the Service).

Paragraph 2 (Effects of Withdrawal)

  1. Upon withdrawal, the User's account shall be deleted, and the User shall lose all rights related to the Service.

  2. Data deleted as a result of withdrawal cannot be recovered.

  3. Even after withdrawal, some content posted by the User may remain viewable by other Users.

  4. If there are unpaid fees at the time of withdrawal, the User shall remain obligated to pay such fees even after withdrawal.

Paragraph 3 (Disclaimer for Withdrawal)

The Company shall not be liable for any damage incurred by Users as a result of withdrawal.

Paragraph 4 (Data Deletion Timeline Upon Withdrawal)

  1. Upon completion of the withdrawal procedure, the Company shall, as a general rule, delete the User's account information and profile information within 30 days.

  2. Chat messages posted by the User may remain to maintain the context of chats. However, links from such messages to the User's profile information shall be deleted.

  3. Identity verification documents and guide certification documents shall be retained for one year after withdrawal for fraud prevention purposes and then deleted.

  4. Information required to be retained by law shall continue to be stored for the period prescribed by such law.


Chapter 16: Intellectual Property Rights

Article 35 (Intellectual Property Rights Related to the Service)

Paragraph 1 (Ownership of Rights)

  1. All intellectual property rights related to the Service (including software, content, design, logos, trademarks, databases, know-how, and all other components) belong to the Company or those who have granted licenses to the Company.

  2. The license to use the Service under these Terms does not constitute a grant of a license to use the intellectual property rights of the Company or those who have granted licenses to the Company.

Paragraph 2 (Prohibited Activities)

Users shall not engage in the following activities without prior written consent of the Company:

  1. Reproduction, modification, adaptation, distribution, public transmission, or lending of the Service

  2. Reverse engineering, decompiling, or disassembling of the Service

  3. Deletion or modification of copyright notices, trademark notices, or other notices contained in the Service

  4. Unauthorized use of the Company's trademarks, logos, or service names

  5. Other activities that infringe on the Company's intellectual property rights

Article 36 (Intellectual Property Rights Related to Posted Content)

Intellectual property rights related to Posted Content shall be governed by the provisions of Article 10 (Posted Content).


Chapter 17: Confidentiality

Article 37 (Confidentiality Obligation)

Paragraph 1 (Confidential Information)

Users shall not disclose or divulge non-public information disclosed by the Company in connection with the use of the Service (hereinafter referred to as "Confidential Information") to third parties without prior written consent of the Company.

Paragraph 2 (Exceptions)

The following information shall not be included in Confidential Information:

  1. Information that was already publicly known at the time of disclosure

  2. Information that became publicly known after disclosure through no fault of the User

  3. Information that the User legitimately possessed prior to disclosure

  4. Information obtained from a third party with legitimate authority without a confidentiality obligation

  5. Information independently developed by the User without using Confidential Information

Paragraph 3 (Disclosure Based on Laws)

If a User is required to disclose Confidential Information based on laws, the User shall promptly notify the Company and shall endeavor to minimize the scope of disclosure.


Chapter 18: Handling of Personal Information

Article 38 (Personal Information)

Paragraph 1 (Application of Privacy Policy)

The Company shall appropriately handle Users' personal information obtained in connection with the use of the Service in accordance with the Privacy Policy separately established by the Company.

Paragraph 2 (Consent)

By agreeing to these Terms, Users shall be deemed to have agreed to the Privacy Policy.

Article 38-2 (Data Storage Location and International Transfers)

Paragraph 1 (Data Storage Location)

User data is stored on servers of the cloud services (Firebase/Google Cloud) provided by Google LLC. Such servers may be located outside Japan (such as the United States).

Paragraph 2 (Consent to International Transfers)

By agreeing to these Terms, Users shall be deemed to have consented to the storage and processing of User data on servers located outside Japan.

Paragraph 3 (Relationship with Privacy Policy)

For details regarding international data transfers, please refer to the "International Data Transfers" section of the Company's Privacy Policy.

Article 39 (Personal Information of Other Users)

Paragraph 1 (Restrictions on Collection)

Users shall not collect, use, or store personal information of other Users obtained through the Service (including but not limited to names, contact information, addresses, location information, facial photographs, and other personally identifiable information) for purposes other than the intended use of the Service.

Paragraph 2 (Prohibition of Disclosure to Third Parties)

Users shall not provide personal information of other Users obtained through the Service to third parties without the consent of such other Users.

Paragraph 3 (Obligation to Delete)

Users shall promptly delete personal information of other Users obtained through the Service when the purpose of use of the Service has been achieved or when requested by such other Users.


Chapter 19: Exclusion of Antisocial Forces

Article 40 (Exclusion of Antisocial Forces)

Paragraph 1 (Representation and Warranty)

Users represent and warrant that they do not fall under any of the following:

  1. Being an organized crime group, organized crime group member, associate member, organized crime-related enterprise, corporate racketeer, social movement racketeer, special intelligence violence group, or equivalent thereof (hereinafter referred to as "Antisocial Forces")

  2. Having been a member of Antisocial Forces (within the past 5 years)

  3. Having a socially condemnable relationship with Antisocial Forces

  4. Using Antisocial Forces

  5. Having a relationship of providing funds or other benefits to Antisocial Forces

  6. Engaging in violent demands, unreasonable demands beyond legal responsibility, threatening behavior, spreading rumors, using deception or force to damage the Company's credibility, or interfering with the Company's business, or engaging in similar acts, either personally or through a third party

Paragraph 2 (Effect of Violation)

If a User falls under any of the items of the preceding paragraph, the Company may immediately suspend the use of the Service and delete the account without any prior notice. In such cases, the Company shall not be liable for damages to the User.


Chapter 20: Prohibition of Assignment of Rights and Obligations

Article 41 (Prohibition of Assignment)

Paragraph 1 (Prohibition of Assignment by Users)

Users may not assign their contractual position under the usage agreement, or rights or obligations under these Terms, to a third party, or offer them as security, without prior written consent of the Company.

Paragraph 2 (Assignment by the Company)

When the Company transfers its business related to the Service to a third party (including but not limited to business transfer, company split, merger, or other corporate reorganization), the Company may transfer the contractual position under the usage agreement, rights and obligations under these Terms, and User registration information and other information to such transferee. Users shall consent in advance to such transfer.


Chapter 21: Severability

Article 42 (Severability)

  1. Even if any provision of these Terms is determined to be invalid or unenforceable by law, court judgment, administrative action, or otherwise, the remaining provisions of these Terms shall continue to be fully effective.

  2. Provisions determined to be invalid or unenforceable shall be replaced with the valid provision closest in intent to such provision, or shall be modified to the minimum extent necessary for such provision to be valid and enforceable.


Chapter 22: Amendments to the Terms

Article 43 (Amendments to the Terms)

Paragraph 1 (Right to Amend)

The Company may amend these Terms without obtaining individual consent from Users in the following cases:

  1. When the amendment to these Terms is in the general interest of Users

  2. When the amendment to these Terms does not conflict with the purpose of the usage agreement and is reasonable in light of the necessity of the amendment, the reasonableness of the amended content, and other circumstances related to the amendment

Paragraph 2 (Publication of Amendments)

  1. When amending these Terms, the Company shall publicize the content and effective date of the amended Terms through posting within the Service, on the Company's website, or by other methods the Company deems appropriate, a reasonable period before the effective date.

  2. Notwithstanding the preceding paragraph, amendments that are in the general interest of Users need only be publicized before the effective date.

Paragraph 3 (Effect of Amendments)

  1. The amended Terms shall take effect from the effective date.

  2. If Users continue to use the Service after the effective date, they shall be deemed to have agreed to the amended Terms.

  3. If Users do not agree to the amended Terms, they may terminate the usage agreement by completing the withdrawal procedure by the effective date.


Chapter 23: Notices and Communications

Article 44 (Notices from the Company to Users)

Paragraph 1 (Method of Notice)

Notices from the Company to Users regarding the Service shall be given through display within the Service, push notifications within the Service, email to the registered email address, posting on the Company's website, or other methods the Company deems appropriate.

Paragraph 1-2 (Technical Infrastructure for Push Notifications)

  1. Push notifications for the Service are sent using Apple Push Notification Service (APNs) provided by Apple Inc. and Firebase Cloud Messaging (FCM) provided by Google LLC.

  2. The Company stores device tokens obtained from User devices for the purpose of sending push notifications.

  3. Push notifications may be delayed or undelivered due to network environment, device settings, or other factors. The Company does not guarantee the reliable delivery of push notifications.

Paragraph 2 (Effect of Notices)

  1. When the Company provides notice through display within the Service or posting on the Company's website, such notice shall take effect at the time of display or posting.

  2. When the Company provides notice by email, such notice shall take effect at the time the Company sends the email.

  3. Even if a notice from the Company fails to reach a User because the User did not keep their registration information up to date, the Company shall not be liable.

Paragraph 3 (Consent to Push Notifications)

  1. By enabling push notification reception in device settings when using the Service, Users agree to receive the following types of push notifications:

    1. Chat message reception notifications
    2. Community update notifications
    3. Yamatomo friend request notifications
    4. Review notifications
    5. Service-related announcements
    6. Other notifications the Company deems necessary
  2. Users may stop receiving push notifications at any time by turning off push notifications in the device's Settings app. However, turning off push notifications may result in the inability to receive important notifications.

  3. The Company shall not be liable for notifications that could not be received due to push notifications being turned off.

Article 45 (Communications from Users to the Company)

Paragraph 1 (Method of Communication)

Communications from Users to the Company shall be made through the contact form provided within the Service or by email to the email address designated by the Company.

Paragraph 2 (Method of Response)

The Company shall, as a general rule, respond to inquiries from Users by email or through in-app notifications.

Paragraph 3 (Handling of Inquiry Data)

  1. Information submitted through the contact form (name, email address, inquiry content, etc.) is used for responding to inquiries and improving the Service.

  2. Inquiry data shall be retained for three years after the response to the inquiry is completed, unless retention is required by law or reasonably necessary for service improvement, and then deleted.


Chapter 24: Governing Law and Jurisdiction

Article 46 (Governing Law)

These Terms shall be governed by and construed in accordance with the laws of Japan, with the Japanese text as the authoritative version.

Article 47 (Jurisdiction)

In the event of any dispute arising between a User and the Company in connection with these Terms, the Tokyo District Court shall have exclusive jurisdiction as the court of first instance.


Chapter 25: Dispute Resolution by Consultation

Article 48 (Dispute Resolution by Consultation)

With respect to matters not provided for in these Terms or questions of interpretation of these Terms, the Company and Users shall consult in good faith to seek resolution.


Chapter 26: Miscellaneous

Article 49 (Entire Agreement)

These Terms constitute the entire agreement between the Company and Users regarding the use of the Service, and all oral or written agreements, understandings, representations, warranties, and other matters between the Company and Users prior to the execution of these Terms shall expire, except for those expressly provided in these Terms.

Article 50 (No Waiver)

If the Company fails to exercise or delays in exercising any right under these Terms, such failure or delay shall not be deemed a waiver of such right, and shall not prevent the Company from exercising such right thereafter.

Article 51 (Survival Clauses)

The following provisions shall continue to remain effective after the termination of the usage agreement:

  1. Article 10, Paragraph 2 (Rights to Posted Content)

  2. Chapter 12 (Disclaimers)

  3. Chapter 13 (Damages)

  4. Chapter 16 (Intellectual Property Rights)

  5. Chapter 17 (Confidentiality)

  6. Chapter 18 (Handling of Personal Information)

  7. Chapter 24 (Governing Law and Jurisdiction)

  8. Other provisions that by their nature should survive

Article 52 (Language)

These Terms are prepared in the Japanese language. Even if a translated version of these Terms exists, the Japanese version shall be the authoritative text, and in the event of any discrepancy between the Japanese version and the translated version, the Japanese version shall prevail.


Supplementary Provisions

Supplementary Provision 1 (Effective Date)

These Terms shall take effect on January 23, 2026.

Supplementary Provision 2 (Revision History)

Version Revision Date Summary of Revisions
1.0 January 23, 2026 Initial version established
1.1 January 30, 2026 Added Chapter 9 "Guide Certification"; added partner shop review feature to Chapter 10 "Partner Shop Services"
1.2 February 1, 2026 Added Chapter 3-2 "Premium Plan" (Article 9-2); added definitions for Premium Plan, Premium Member, and Free Member; revised Article 9, Paragraph 2
1.3 February 9, 2026 Added Article 12-2 "Special Provisions for Photo Content," Article 16-2 "Community Moderation," Article 19-2 "Disclaimer Regarding Accuracy of Mountain Information"; added Paragraph 8 "Guide Service Compensation" to Article 9-2; added Article 23-2 "Partner Shop Coupon System," Article 23-3 "Dispute Resolution for Transactions with Partner Shops"; added Paragraph 4 "Data Deletion Timeline Upon Withdrawal" to Article 34; added Paragraph 3 "Consent to Push Notifications" to Article 44
1.4 February 24, 2026 Added Chapter 10-2 "Community Participation Fee Payments," Chapter 10-3 "Organizer Compensation"
1.5 February 28, 2026 Added Article 19-3 "Weather Information Service," added JMA and Open-Meteo to third-party services, revised Article 3 Paragraph 2 and Article 4 Paragraph 3 to accommodate international users, added Weather Information Service, QR Code Profile Sharing, Mountain Search feature, and Multi-language Support to feature definitions and feature list
1.6 March 1, 2026 Updated Article 19-3 for weather data source architecture change (Japan: JMA only, overseas: Open-Meteo only), added mountain detail screen as weather display location, added notice about regional forecast vs. summit conditions, updated warning cache period
2.0 March 19, 2026 Added Article 19-4 "Mountain Chat Auto-Join Feature"; added "Mountain Chat Auto-Join Feature" to definitions and feature list; added detailed Premium Plan benefits list with AI Community Creation to Article 9-2 Paragraph 1; added AI Community Creation usage limits for free members

Supplementary Provision 3 (Important Notes Regarding Mountain Activities)

By entering into these Terms, Users shall be deemed to have fully understood and agreed to the following:

  1. Mountain climbing is a dangerous activity. There is a possibility of death, serious injury, permanent disability, or other significant damage. Users must engage in mountain activities at their own responsibility and ensure their own safety.

  2. The Company is not an organizer of mountain activities. The Service provides a platform that facilitates communication between Users, and the Company shall not be liable for the planning, operation, or management of mountain activities.

  3. The safety of other Users is not guaranteed. Even Users with identity verification badges are not guaranteed in terms of their character, trustworthiness, or safety. Users must verify the identity of other Users at their own responsibility.

  4. Guide certification does not guarantee ability. Even Users with guide certification badges are not guaranteed in terms of their actual guiding ability, skills, experience, or safety management capabilities. Even when requesting guide services from a certified guide, Users must verify the guide's ability and ensure their own safety at their own responsibility.

  5. The Service is not an emergency reporting system. In the event of an emergency, Users must contact the police (110), fire department (119), or other appropriate authorities.

  6. Mountain activities require adequate preparation. When engaging in mountain climbing, hiking, or other mountain activities, Users must have appropriate equipment, physical fitness, skills, and knowledge, and must make advance preparations (creating activity plans, checking weather conditions, submitting climbing notifications, considering mountain insurance enrollment, etc.).

  7. Information in the Service is for reference only. Mountain-related information provided through the Service is merely reference information, and its accuracy, completeness, and currency are not guaranteed. Users must refer to multiple information sources and act at their own judgment and responsibility.

Supplementary Provision 4 (Confirmation of Disclaimers)

By agreeing to these Terms, Users shall be deemed to have confirmed and agreed to the following:

  1. The Company shall not be liable for any damage incurred by Users arising from or in connection with the Service, except in cases of intentional misconduct or gross negligence by the Company.

  2. The Company shall not be liable for the actions of other Users.

  3. The Company shall not be liable for mountain activities conducted through the Service.

  4. The Company shall not be liable for guide services provided by Guide Certified Users.

  5. The Company makes no warranty whatsoever regarding the content, continuity, or safety of the Service.

  6. Users shall use the Service, interact with other Users, and engage in mountain activities at their own responsibility.


YAMATOMO Operations

The Japanese version of these Terms of Service shall be the authoritative text.

End of Document

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