Last updated: March 8, 2026
These Terms of Service (“Terms”) govern your use of Stil (“Service”), operated by Crop&Kern Co., Ltd. (“Company”, “we”, “us”). By accessing or using the Service, you agree to these Terms.
Stil is a design system middleware platform that provides:
You must provide accurate information when creating an account. You are responsible for maintaining the security of your account credentials.
Each account belongs to a Workspace. The Workspace owner is responsible for managing members, billing, and project access.
You must be at least 16 years old to use the Service.
The Free plan includes limited access to the Service at no cost. We reserve the right to modify Free plan limits at any time.
The Pro plan is billed per editor per month. Annual billing receives a 20% discount. Billing begins at the start of your subscription period.
The Free plan includes 50,000 Sonnet-equivalent tokens each month. The Pro plan includes 300,000 Sonnet-equivalent tokens per editor each month, and additional usage may be subject to overage billing based on Sonnet-equivalent token consumption.
Payments are processed through Stripe. You agree to Stripe’s terms of service for payment processing. All fees are non-refundable except as required by applicable law.
You may cancel your subscription at any time. Cancellation takes effect at the end of the current billing period. No prorated refunds are provided.
We may change pricing with 30 days advance notice. Existing subscriptions are honored for the remainder of their current billing period.
You agree not to:
You retain ownership of your design tokens, components, spec.md files, and other content you create using the Service. You grant us a limited license to host, process, and display your content as necessary to provide the Service.
The Service, including its design, code, and documentation, is owned by Crop&Kern Co., Ltd. and protected by intellectual property laws.
Any feedback or suggestions you provide about the Service may be used by us without obligation to you.
Your project data (tokens, components, rules) is stored in our infrastructure. We use Supabase for database services and Vercel for application hosting.
You may export your data at any time through the Service’s export features or API.
Upon account deletion, your data will be removed within 30 days. Some data may be retained in backups for up to 90 days.
The Service integrates with third-party services including Figma, GitHub, and various AI tools (Cursor, Claude Code, v0). Your use of these integrations is subject to their respective terms of service. We are not responsible for the availability or functionality of third-party services.
THE SERVICE IS PROVIDED “AS IS” AND “AS AVAILABLE” WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED. WE DO NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, ERROR-FREE, OR SECURE.
TO THE MAXIMUM EXTENT PERMITTED BY LAW, CROP&KERN CO., LTD. SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING FROM YOUR USE OF THE SERVICE. OUR TOTAL LIABILITY SHALL NOT EXCEED THE AMOUNT YOU PAID US IN THE 12 MONTHS PRECEDING THE CLAIM.
We may update these Terms at any time. We will notify you of material changes via email or through the Service. Continued use after changes constitutes acceptance.
These Terms are governed by the laws of Japan. Any disputes shall be resolved in the Tokyo District Court.
Crop&Kern Co., Ltd.
Contact: https://stil.dev/contact