Engagement / Pricing guide
Start sustainably with the scope you need.
Prices are tax-inclusive estimates. External service fees, license fees, server costs, and changes after formal requirements are confirmed separately.
Reference / 01
Services and pricing
Indicative scope and cost
development
Commissioned System and Web App Development
04
AI Operational Improvement Starter Package
A 90-minute interview, workflow review, 3 AI candidates, a simple prototype of 1 candidate, cost-effectiveness estimate, and concise AI usage rules. The estimated duration is 2–3 weeks.
View detailed supportApprox. ¥150,000
05
Production AI and Business System Implementation
Production build after a PoC, existing-system integration, permissions, approvals, audit logs, testing, launch, and operational handover. Estimated according to requirements.
View detailed supportFrom ¥500,000
06
Small-Scale Automation and Operational Assistance
Small-scale automation of existing data entry, aggregation, notifications, and checking work.
View detailed supportFrom ¥300,000
07
Internal Business Tool
A small- to medium-sized tool with an admin screen, forms, lists, CSV export, permissions, and related features.
View detailed supportFrom ¥500,000
08
Medium-Sized Web App
A Web app with multiple users, membership features, approval flows, and external integrations.
View detailed supportFrom ¥1,500,000
09
Design and Creative
Typical guidance: logos ¥50,000–¥150,000; flyers and banners ¥20,000–¥120,000; brand design and Web integration from ¥100,000.
View detailed supportFrom ¥20,000
10
Inquiry AI Chat
Add an inquiry AI chat to a static or service site, including answer scope, rate limits, Origin checks, and safe link rendering.
View detailed supportFrom ¥80,000
11
Blog Comment Feature
Use Cloudflare Pages Functions, D1, and Turnstile to provide posting, storage, spam prevention, and deletion operations without an external comment service.
View detailed supportFrom ¥80,000
12
CMS Editing Interface
Add a Sveltia CMS admin interface for updating the blog, fixed pages, announcements, and settings from a browser.
View detailed supportFrom ¥50,000
13
Blog and Article Foundation
Build the foundation for ongoing publishing, including article lists, detail pages, tags, related articles, RSS, and search journeys.
View detailed supportFrom ¥50,000
14
Multilingual Blog Operations
Establish multilingual blog operations covering a Japanese source, translation PRs, hreflang, sitemap, and RSS.
View detailed supportFrom ¥80,000
15
SEO and Structured Data
Organize information communicated to search engines, including OGP, JSON-LD, sitemap, RSS, and canonical.
View detailed supportFrom ¥50,000
16
Pagefind Site Search
Add Pagefind search to a static site, including the search UI, URL parameters, and cache settings.
View detailed supportFrom ¥30,000
17
Page-Speed Improvement
Review images, CSS, fonts, lazy loading, and measurements to improve Core Web Vitals.
View detailed supportFrom ¥50,000
18
Accessibility Improvement
Review contrast, aria attributes, focus, form validation, and related areas, and make corrections toward WCAG AA.
View detailed supportFrom ¥50,000
19
Security Headers/CSP
Organize Cloudflare Pages _headers, CSP, and delivery settings around the admin interface to improve launch security.
View detailed supportFrom ¥30,000
20
CTA and Form Integration
Carry the category, subject, and context from a service CTA into the contact form to improve the consultation journey.
View detailed supportFrom ¥30,000
21
Integrated Systems and Core-System Integration
An operational foundation connecting multiple departments and existing systems, designed for phased rollout.
View detailed supportFrom ¥2,500,000
it-advisor
IT Advisor Engineer
01
IT Advisory Engineer — Light
Includes 1–2 consultations per month, AI and IT tool selection, initial setup, and small-scale launch support for up to 1 concurrent project. Work-hour limits and additional fees are stated before the contract.
View detailed supportFrom ¥30,000/month
02
IT Advisory Engineer — Standard
Within the consultation and work-hour limits agreed in the contract: deployment, debugging and testing, status reports, and reviews of usage and improvement candidates. 24-hour monitoring and immediate incident response are not included.
View detailed supportFrom ¥100,000/month
03
One-Time Deployment Support
For 1 existing Web app in 1 environment: recommended environment selection, initial domain, SSL, VPS or cloud setup, launch, operation checks, and handover. Code changes, migration, CI/CD, monitoring and backup design, and ongoing operations are estimated separately.
View detailed supportFrom ¥50,000
22
Maintenance and Improvement
Minor changes, consultation, monitoring, improvement proposals, priority handling for additional development, and related support.
View detailed supportFrom ¥30,000/month
23
Requirements and Technical Consultation
Also available for pre-development workflow review, existing-system investigation, and architecture review.
View detailed supportCustom estimate