/* ==========================================================================
   リセットCSS & ベーススタイル
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: #2C3E50;
  background-color: #FFFFFF;
  overflow-x: hidden;
}

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

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

/* ==========================================================================
   共通コンポーネント
   ========================================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: #1A2B4C;
}

.section-lead {
  text-align: center;
  margin-bottom: 50px;
  color: #2C3E50;
  font-size: 16px;
}

/* CTAボタン */
.cta-button {
  display: inline-block;
  background-color: #0066FF;
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 700;
  padding: 18px 40px;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
  text-align: center;
}

.cta-button:hover {
  background-color: #0052CC;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

.cta-button i {
  margin-right: 8px;
}

/* ==========================================================================
   ヒーローセクション
   ========================================================================== */

.hero {
  padding: 80px 0 100px;
  text-align: center;
  background-color: #FFFFFF;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: #1A2B4C;
  margin-bottom: 24px;
  line-height: 1.4;
}

.hero-subtitle {
  font-size: 16px;
  color: #2C3E50;
  margin-bottom: 40px;
  line-height: 1.8;
}

/* ==========================================================================
   3つの強みセクション
   ========================================================================== */

.strengths {
  padding: 60px 0;
  background-color: #FFFFFF;
}

.strengths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 50px;
}

.strength-card {
  background-color: #FFFFFF;
  border: 1px solid #E8ECEF;
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.strength-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.strength-icon {
  font-size: 48px;
  color: #0066FF;
  margin-bottom: 24px;
}

.strength-title {
  font-size: 20px;
  font-weight: 700;
  color: #1A2B4C;
  margin-bottom: 16px;
}

.strength-text {
  font-size: 15px;
  color: #2C3E50;
  line-height: 1.8;
}

/* ==========================================================================
   サンプルギャラリーセクション
   ========================================================================== */

.samples {
  padding: 60px 0;
  background-color: #F8F9FA;
}

.samples-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}

.sample-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.sample-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.sample-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: #E8ECEF;
}

.sample-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.sample-card:hover .sample-image img {
  transform: scale(1.05);
}

.card-content {
  padding: 24px;
}

.card-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1A2B4C;
  margin-bottom: 8px;
}

.card-content p {
  font-size: 14px;
  color: #2C3E50;
  line-height: 1.6;
}

/* ==========================================================================
   制作フローセクション
   ========================================================================== */

.flow {
  padding: 60px 0;
  background-color: #F8F9FA;
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-top: 50px;
  align-items: center;
}

.flow-step {
  background-color: #FFFFFF;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  max-width: 280px;
  width: 100%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.step-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: 50%;
  background-color: #0066FF;
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.step-icon {
  font-size: 36px;
  color: #0066FF;
  margin-bottom: 16px;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: #1A2B4C;
  margin-bottom: 8px;
}

.step-text {
  font-size: 14px;
  color: #2C3E50;
}

.flow-arrow {
  font-size: 24px;
  color: #0066FF;
  transform: rotate(90deg);
}

/* ==========================================================================
   FAQセクション
   ========================================================================== */

.faq {
  padding: 60px 0;
  background-color: #FFFFFF;
}

.faq-list {
  max-width: 800px;
  margin: 50px auto 0;
}

.faq-item {
  padding: 24px 0;
  border-bottom: 1px solid #E8ECEF;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-size: 16px;
  font-weight: 700;
  color: #1A2B4C;
  margin-bottom: 12px;
}

.faq-answer {
  font-size: 15px;
  color: #2C3E50;
  line-height: 1.8;
}

/* ==========================================================================
   最終CTAセクション
   ========================================================================== */

.final-cta {
  padding: 80px 0;
  background-color: #F8F9FA;
  text-align: center;
}

.cta-lead {
  font-size: 16px;
  color: #2C3E50;
  margin-bottom: 40px;
  line-height: 1.8;
}

.cta-note {
  margin-top: 30px;
}

.cta-note p {
  font-size: 14px;
  color: #2C3E50;
  margin: 8px 0;
}

.cta-note i {
  color: #0066FF;
  margin-right: 8px;
}

/* ==========================================================================
   フッター
   ========================================================================== */

.footer {
  padding: 40px 0;
  background-color: #1A2B4C;
  text-align: center;
}

.footer-title {
  font-size: 16px;
  color: #FFFFFF;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-line-button {
  display: inline-block;
  background-color: #06C755;
  color: #FFFFFF;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.footer-line-button:hover {
  background-color: #05B04D;
  transform: translateY(-2px);
}

.footer-line-button i {
  margin-right: 6px;
}

.footer-copyright {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   レスポンシブ対応 - タブレット
   ========================================================================== */

@media (min-width: 768px) {
  .section-title {
    font-size: 36px;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .strengths-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }

  .samples-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .flow-steps {
    flex-direction: row;
    justify-content: center;
  }

  .flow-arrow {
    transform: rotate(0deg);
    margin: 0 20px;
  }
}

/* ==========================================================================
   レスポンシブ対応 - PC
   ========================================================================== */

@media (min-width: 1024px) {
  .hero {
    padding: 120px 0 140px;
  }

  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .strengths {
    padding: 100px 0;
  }

  .samples {
    padding: 100px 0;
  }

  .samples-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }

  .flow {
    padding: 100px 0;
  }

  .faq {
    padding: 100px 0;
  }

  .final-cta {
    padding: 100px 0;
  }

  .cta-button {
    font-size: 20px;
    padding: 20px 50px;
  }

  .strength-icon {
    font-size: 56px;
  }

  .strength-title {
    font-size: 22px;
  }

  .strength-text {
    font-size: 16px;
  }
}

/* ==========================================================================
   アニメーション
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  .sample-card,
  .strength-card,
  .flow-step {
    animation: fadeInUp 0.6s ease-out;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}