仕様も実装もAIに任せる時代へ！AWS新IDE「Kiro」を使ってみた

# Requirements Document

## Introduction

This feature involves creating a modern and dynamic landing page for a pilates studio. The landing page will serve as the primary entry point for potential clients, showcasing the studio's services, instructors, and atmosphere while encouraging visitors to book classes or contact the studio. The page should be visually appealing, responsive, and optimized for conversion.

## Requirements

### Requirement 1

**User Story:** As a potential pilates client, I want to see an engaging hero section when I first visit the site, so that I immediately understand what the studio offers and feel motivated to explore further.

#### Acceptance Criteria

1. WHEN a user visits the landing page THEN the system SHALL display a hero section with compelling imagery and clear value proposition
2. WHEN a user views the hero section THEN the system SHALL include a prominent call-to-action button for booking or getting started
3. WHEN a user sees the hero section THEN the system SHALL display the studio name and tagline prominently

### Requirement 2

**User Story:** As a potential client, I want to learn about the pilates classes and services offered, so that I can determine if the studio meets my fitness needs.

#### Acceptance Criteria

1. WHEN a user scrolls to the services section THEN the system SHALL display different class types with descriptions
2. WHEN a user views service offerings THEN the system SHALL include pricing information or pricing tiers
3. WHEN a user explores services THEN the system SHALL highlight unique selling points and benefits of each class type

### Requirement 3

**User Story:** As a potential client, I want to see information about the instructors, so that I can feel confident about the quality of instruction I'll receive.

#### Acceptance Criteria

1. WHEN a user views the instructors section THEN the system SHALL display instructor profiles with photos and credentials
2. WHEN a user reads instructor information THEN the system SHALL include brief bios highlighting experience and specializations
3. WHEN a user explores instructor profiles THEN the system SHALL showcase certifications and qualifications

### Requirement 4

**User Story:** As a potential client, I want to easily find contact information and studio location, so that I can visit or reach out with questions.

#### Acceptance Criteria

1. WHEN a user looks for contact information THEN the system SHALL display phone number, email, and physical address
2. WHEN a user needs location details THEN the system SHALL include an embedded map or location directions
3. WHEN a user wants to contact the studio THEN the system SHALL provide multiple contact methods including a contact form

### Requirement 5

**User Story:** As a potential client, I want to see social proof and testimonials, so that I can trust the quality of the studio and its services.

#### Acceptance Criteria

1. WHEN a user views testimonials THEN the system SHALL display client reviews with names and photos where available
2. WHEN a user explores social proof THEN the system SHALL include ratings or review scores
3. WHEN a user reads testimonials THEN the system SHALL highlight specific benefits and transformations clients experienced

### Requirement 6

**User Story:** As a mobile user, I want the landing page to work seamlessly on my device, so that I can easily browse and book classes on the go.

#### Acceptance Criteria

1. WHEN a user accesses the site on mobile THEN the system SHALL display a fully responsive design that adapts to screen size
2. WHEN a user navigates on mobile THEN the system SHALL provide touch-friendly buttons and navigation elements
3. WHEN a user views content on mobile THEN the system SHALL maintain readability and visual hierarchy across all sections

### Requirement 7

**User Story:** As a potential client, I want smooth and engaging animations and interactions, so that the browsing experience feels modern and professional.

#### Acceptance Criteria

1. WHEN a user scrolls through the page THEN the system SHALL include subtle animations that enhance the user experience
2. WHEN a user hovers over interactive elements THEN the system SHALL provide visual feedback through transitions or effects
3. WHEN a user navigates the page THEN the system SHALL ensure animations are smooth and don't impact performance

### Requirement 8

**User Story:** As a potential client, I want to easily book a class or schedule a consultation, so that I can quickly take action after being convinced by the landing page.

#### Acceptance Criteria

1. WHEN a user wants to book a class THEN the system SHALL provide clear and prominent booking call-to-action buttons
2. WHEN a user clicks to book THEN the system SHALL either integrate with a booking system or provide clear next steps
3. WHEN a user is ready to commit THEN the system SHALL offer multiple conversion paths (book class, schedule consultation, contact form)

# Design Document

## Overview

The pilates studio landing page will be a single-page application featuring a modern, clean aesthetic that reflects the mindful and sophisticated nature of pilates practice. The design will emphasize visual storytelling through high-quality imagery, smooth animations, and a calming color palette while maintaining strong conversion-focused elements.

## Architecture

### Technology Stack
- **HTML5**: Semantic markup for accessibility and SEO
- **CSS3**: Modern styling with CSS Grid, Flexbox, and CSS animations
- **Vanilla JavaScript**: Lightweight interactions and scroll animations
- **Responsive Design**: Mobile-first approach with breakpoints at 768px, 1024px, and 1200px

### Page Structure
The landing page will follow a single-page scroll design with the following sections:
1. Header with navigation
2. Hero section
3. Services/Classes section
4. About/Studio section
5. Instructors section
6. Testimonials section
7. Contact section
8. Footer

## Components and Interfaces

### Header Component
- **Sticky navigation bar** with studio logo and minimal menu items
- **Mobile hamburger menu** for responsive navigation
- **Transparent background** that becomes solid on scroll
- **Smooth scroll navigation** to page sections

### Hero Section
- **Full-viewport height** with background video or high-quality image
- **Centered content overlay** with studio name, tagline, and primary CTA
- **Subtle parallax effect** on background elements
- **Animated text entrance** with staggered timing

### Services Grid
- **Card-based layout** showcasing different class types
- **Hover effects** revealing additional information
- **Pricing badges** or "From $X" indicators
- **Icon integration** for visual hierarchy

### Instructor Profiles
- **Circular profile images** with hover overlay effects
- **Modal or expandable cards** for detailed bios
- **Credential badges** and certification displays
- **Social media links** where applicable

### Testimonials Carousel
- **Rotating testimonial cards** with client photos
- **Star rating displays** and review highlights
- **Auto-play with manual controls** for user preference
- **Fade or slide transitions** between testimonials

### Contact Section
- **Split layout** with contact form and studio information
- **Embedded Google Maps** integration
- **Contact method icons** (phone, email, location)
- **Form validation** with real-time feedback

## Data Models

### Studio Information
```javascript
const studioData = {
  name: "Studio Name",
  tagline: "Transform Your Body, Mind & Spirit",
  contact: {
    phone: "+1 (555) 123-4567",
    email: "hello@pilatesstudio.com",
    address: "123 Wellness Street, City, State 12345"
  },
  socialMedia: {
    instagram: "@pilatesstudio",
    facebook: "PilatesStudioName"
  }
}
```

### Class/Service Data
```javascript
const services = [
  {
    id: 1,
    name: "Reformer Pilates",
    description: "Equipment-based classes for strength and flexibility",
    price: "From $35",
    icon: "reformer-icon",
    features: ["Small groups", "All levels", "Equipment provided"]
  },
  // Additional service objects...
]
```

### Instructor Data
```javascript
const instructors = [
  {
    id: 1,
    name: "Instructor Name",
    image: "instructor1.jpg",
    bio: "Brief bio highlighting experience",
    certifications: ["PMA Certified", "500hr Yoga Teacher"],
    specialties: ["Rehabilitation", "Athletic Performance"]
  },
  // Additional instructor objects...
]
```

### Testimonial Data
```javascript
const testimonials = [
  {
    id: 1,
    name: "Client Name",
    image: "client1.jpg",
    rating: 5,
    text: "Testimonial content...",
    classType: "Reformer Pilates"
  },
  // Additional testimonial objects...
]
```

## Error Handling

### Image Loading
- **Lazy loading** implementation for performance
- **Fallback images** for broken or missing assets
- **Loading states** with skeleton screens or spinners
- **Progressive image enhancement** for different screen densities

### Form Validation
- **Client-side validation** with immediate feedback
- **Error message display** with clear, helpful text
- **Success states** with confirmation messaging
- **Graceful degradation** for JavaScript-disabled browsers

### Animation Performance
- **Reduced motion preferences** respect for accessibility
- **Performance monitoring** to prevent janky animations
- **Fallback static states** for older browsers
- **Intersection Observer** for efficient scroll-triggered animations

## Testing Strategy

### Responsive Testing
- **Cross-device testing** on mobile, tablet, and desktop
- **Browser compatibility** testing across major browsers
- **Performance testing** with Lighthouse audits
- **Accessibility testing** with screen readers and keyboard navigation

### User Experience Testing
- **Conversion funnel analysis** for booking flow optimization
- **A/B testing** for CTA button placement and copy
- **Heat mapping** to understand user interaction patterns
- **Load time optimization** for improved user retention

### Content Testing
- **Image optimization** for web delivery
- **Copy readability** and engagement metrics
- **SEO optimization** with proper meta tags and structured data
- **Social media preview** testing for sharing functionality

## Visual Design System

### Color Palette
- **Primary**: Soft sage green (#8FBC8F) for calm, natural feeling
- **Secondary**: Warm beige (#F5F5DC) for warmth and comfort
- **Accent**: Deep charcoal (#36454F) for text and contrast
- **Neutral**: Pure white (#FFFFFF) for clean backgrounds

### Typography
- **Headings**: Modern serif font (Playfair Display) for elegance
- **Body text**: Clean sans-serif (Inter) for readability
- **Accent text**: Light script font for quotes and highlights

### Animation Principles
- **Subtle and purposeful** - animations enhance rather than distract
- **Consistent timing** - 0.3s for quick interactions, 0.6s for page transitions
- **Easing functions** - ease-out for natural feeling movement
- **Scroll-triggered** - elements animate in as they enter viewport

### Layout Principles
- **Generous whitespace** for breathing room and focus
- **Asymmetrical balance** for visual interest
- **Strong visual hierarchy** through size, color, and positioning
- **Grid-based alignment** for consistency and professionalism

# Implementation Plan

- [ ] 1. Set up project structure and base HTML
  - Create semantic HTML structure with all main sections
  - Set up proper meta tags, viewport settings, and accessibility attributes
  - Include placeholder content for all sections
  - _Requirements: 1.1, 6.1, 6.3_

- [ ] 2. Implement responsive CSS foundation
  - Create CSS reset and base styles
  - Set up CSS custom properties for design system (colors, typography, spacing)
  - Implement mobile-first responsive grid system using CSS Grid and Flexbox
  - _Requirements: 6.1, 6.2, 6.3_

- [ ] 3. Build header and navigation component
  - Code sticky header with logo and navigation menu
  - Implement mobile hamburger menu with smooth toggle animations
  - Add transparent-to-solid background transition on scroll
  - Create smooth scroll navigation to page sections
  - _Requirements: 1.3, 6.2, 7.1, 7.2_

- [ ] 4. Create hero section with dynamic elements
  - Implement full-viewport hero section with background image/video support
  - Code centered content overlay with studio name, tagline, and primary CTA button
  - Add subtle parallax scrolling effect for background elements
  - Implement staggered text animation entrance effects
  - _Requirements: 1.1, 1.2, 1.3, 7.1, 7.3_

- [ ] 5. Build services/classes section
  - Create responsive card grid layout for different class types
  - Implement hover effects that reveal additional service information
  - Add pricing display and feature highlights for each service
  - Include service icons and visual hierarchy elements
  - _Requirements: 2.1, 2.2, 2.3, 7.2_

- [ ] 6. Implement instructor profiles section
  - Code instructor profile cards with circular images and hover effects
  - Create modal or expandable card functionality for detailed bios
  - Display certifications, credentials, and specialties
  - Add social media links and contact information where applicable
  - _Requirements: 3.1, 3.2, 3.3, 7.2_

- [ ] 7. Create testimonials carousel component
  - Build rotating testimonial cards with client photos and reviews
  - Implement star rating displays and review highlights
  - Add auto-play functionality with manual navigation controls
  - Create smooth fade or slide transitions between testimonials
  - _Requirements: 5.1, 5.2, 5.3, 7.1_

- [ ] 8. Build contact section with form and map
  - Create split layout with contact form and studio information
  - Implement contact form with real-time validation and error handling
  - Add embedded Google Maps integration for studio location
  - Display contact methods with icons (phone, email, location)
  - _Requirements: 4.1, 4.2, 4.3_

- [ ] 9. Add scroll-triggered animations and interactions
  - Implement Intersection Observer for scroll-triggered animations
  - Add fade-in and slide-up animations for sections as they enter viewport
  - Create smooth hover transitions for interactive elements
  - Ensure animations respect reduced motion preferences for accessibility
  - _Requirements: 7.1, 7.2, 7.3_

- [ ] 10. Implement booking and conversion functionality
  - Add prominent booking CTA buttons throughout the page
  - Create booking modal or redirect functionality for class scheduling
  - Implement multiple conversion paths (book class, consultation, contact form)
  - Add click tracking and conversion optimization elements
  - _Requirements: 8.1, 8.2, 8.3_

- [ ] 11. Optimize performance and add error handling
  - Implement lazy loading for images and optimize image delivery
  - Add fallback images and loading states for better user experience
  - Create error handling for form submissions and API calls
  - Optimize CSS and JavaScript for faster load times
  - _Requirements: 6.1, 7.3_

- [ ] 12. Add final polish and cross-browser testing
  - Test responsive design across different devices and screen sizes
  - Verify cross-browser compatibility and add necessary polyfills
  - Implement SEO optimization with proper meta tags and structured data
  - Add final accessibility improvements and keyboard navigation support
  - _Requirements: 6.1, 6.2, 6.3_