@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700;900&display=swap');

:root {
  --color-primary: #e07a5f;
  --color-primary-hover: #d26a4f;
  --color-secondary: #f4f1de;
  --color-accent: #f2cc8f;
  --color-text: #3d405b;
  --color-text-light: #7b7d92;
  --color-background: #faf9f6;
  --color-surface: #ffffff;
  
  --font-family: 'Zen Maru Gothic', sans-serif;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --shadow-sm: 0 4px 6px rgba(61, 64, 91, 0.05);
  --shadow-md: 0 10px 20px rgba(61, 64, 91, 0.08);
  --shadow-lg: 0 20px 40px rgba(61, 64, 91, 0.12);
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.8;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
  margin: 1rem auto 0;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
}

p {
  margin-bottom: var(--spacing-sm);
}

.text-center {
  text-align: center;
}

.highlight {
  background: linear-gradient(transparent 60%, var(--color-accent) 60%);
  font-weight: bold;
}

/* Layout Utilities */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary);
  transform: translateY(-3px);
}

/* CTA Container */
.cta-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
  margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
  .cta-container {
    flex-direction: row;
    justify-content: center;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Components */

/* Hero Section */
.hero {
  position: relative;
  padding: var(--spacing-lg) 0 var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background-color: var(--color-accent);
  opacity: 0.2;
  z-index: 0;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

@media (min-width: 992px) {
  .hero-container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.hero-content {
  flex: 1;
  text-align: center;
}

@media (min-width: 992px) {
  .hero-content {
    text-align: left;
  }
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  display: inline-block;
  background-color: rgba(224, 122, 95, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 20px;
}

.hero-image-wrapper {
  flex: 1;
  width: 100%;
  max-width: 600px;
  position: relative;
}

.hero-image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}

/* Concept Section */
.concept {
  background-color: var(--color-surface);
}

.concept-box {
  background-color: var(--color-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}

/* Problems Section */
.problems {
  background-color: var(--color-background);
}

.problems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

@media (min-width: 768px) {
  .problems-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.problems-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.problems-list li {
  background-color: var(--color-surface);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.problems-list li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.2rem;
}

.problems-image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

/* Era Section */
.era {
  background-color: var(--color-secondary);
  text-align: center;
}

.era-images {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  align-items: center;
}

@media (min-width: 768px) {
  .era-images {
    flex-direction: row;
    justify-content: center;
  }
}

.era-image-wrapper {
  flex: 1;
  max-width: 400px;
  background: var(--color-surface);
  padding: 1rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
}

/* Solutions Section */
.solutions {
  background-color: var(--color-surface);
}

.solution-card {
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border-left: 6px solid var(--color-primary);
  transition: transform 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.solution-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
  opacity: 0.5;
}

/* Why Section */
.why {
  background-color: var(--color-background);
}

.why-content {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-secondary);
}

/* Pricing Section */
.pricing {
  background-color: var(--color-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pricing-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
}

.pricing-card.featured {
  border: 2px solid var(--color-primary);
}

.pricing-card.featured::before {
  content: 'おすすめ';
  position: absolute;
  top: 15px;
  right: -30px;
  background-color: var(--color-primary);
  color: #fff;
  padding: 5px 30px;
  transform: rotate(45deg);
  font-size: 0.8rem;
  font-weight: bold;
}

.pricing-header {
  margin-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-secondary);
  padding-bottom: var(--spacing-sm);
}

.pricing-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-primary);
}

.pricing-target {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  font-weight: bold;
}

.pricing-features {
  flex-grow: 1;
}

.pricing-features ul {
  margin-bottom: var(--spacing-sm);
}

.pricing-features li {
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
}

.pricing-features li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* FAQ Section */
.faq {
  background-color: var(--color-surface);
}

.faq-item {
  background-color: var(--color-background);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.faq-icon {
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.faq-icon::before {
  width: 2px;
  height: 16px;
  top: 4px;
  left: 11px;
}

.faq-icon::after {
  width: 16px;
  height: 2px;
  top: 11px;
  left: 4px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

/* Values Section */
.values {
  background-color: var(--color-secondary);
}

.value-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.value-title {
  color: var(--color-primary);
  font-size: 1.25rem;
}

/* Closing Section */
.closing {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #fff;
  text-align: center;
}

.closing h2, .closing h3 {
  color: #fff;
}

.closing h2::after {
  background-color: #fff;
}

.closing .btn-primary {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.closing .btn-primary:hover {
  background-color: var(--color-secondary);
}

.closing .btn-secondary {
  border-color: var(--color-surface);
  color: #fff;
  background-color: transparent;
}

.closing .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Forms */
.form-hero {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 100%);
  padding: var(--spacing-lg) 0;
}

.form-hero-container {
  max-width: 780px;
  text-align: center;
}

.form-hero-container p {
  font-size: 1.1rem;
  margin: 0 auto;
}

.form-back-link {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.form-section {
  padding-top: var(--spacing-lg);
}

.form-container {
  max-width: 820px;
}

.custom-form {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-secondary);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-field,
.form-fieldset {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: var(--spacing-md);
}

.form-field span,
.form-fieldset legend {
  font-weight: 700;
  color: var(--color-text);
}

.form-field em,
.form-required {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background-color: rgba(224, 122, 95, 0.12);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 700;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 2px solid var(--color-secondary);
  border-radius: var(--border-radius-sm);
  padding: 0.9rem 1rem;
  font: inherit;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(224, 122, 95, 0.12);
}

.form-fieldset {
  border: 2px solid var(--color-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background);
}

.form-fieldset legend {
  padding: 0 0.5rem;
}

.form-fieldset label,
.form-consent {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-weight: 500;
  cursor: pointer;
}

.form-fieldset input,
.form-consent input {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.35rem;
  accent-color: var(--color-primary);
}

.form-consent {
  background-color: var(--color-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.custom-form button.btn {
  font-family: var(--font-family);
}

.thanks-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-lg) 0;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 100%);
}

.thanks-box {
  max-width: 720px;
  margin: 0 auto;
}

/* Legal Pages */
.legal-section {
  padding-top: var(--spacing-lg);
}

.legal-container {
  max-width: 860px;
}

.legal-content {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-secondary);
}

.legal-content h2 {
  text-align: left;
  font-size: 1.35rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h2::after {
  display: none;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin: 0 0 var(--spacing-sm);
}

.legal-content li {
  margin-bottom: 0.35rem;
}

.legal-content a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.form-legal-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
}

.form-legal-links {
  margin-top: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.form-legal-links a,
.footer-links a {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer-links {
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

/* Footer */
footer {
  background-color: var(--color-text);
  color: #fff;
  text-align: center;
  padding: var(--spacing-md) 0;
}

/* Utilities */
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }