/**
 * Kindle Book LP - WordPress Theme CSS
 * テーマの functions.php に以下を追加してください：
 * 
 * function enqueue_kindle_book_lp() {
 *     wp_enqueue_style( 'kindle-book-lp', get_template_directory_uri() . '/kindle-book-lp.css' );
 *     wp_enqueue_script( 'kindle-book-lp', get_template_directory_uri() . '/kindle-book-lp.js', array(), '1.0', true );
 * }
 * add_action( 'wp_enqueue_scripts', 'enqueue_kindle_book_lp' );
 */

:root {
  --kblp-primary: #1e3a8a;
  --kblp-primary-light: #3b82f6;
  --kblp-primary-dark: #1e40af;
  --kblp-accent: #a67c52;
  --kblp-accent-light: #d4a574;
  --kblp-bg: #ffffff;
  --kblp-bg-light: #f9fafb;
  --kblp-bg-dark: #f3f4f6;
  --kblp-text: #1f2937;
  --kblp-text-light: #6b7280;
  --kblp-text-lighter: #9ca3af;
  --kblp-border: #e5e7eb;
}

/* Kindle Book LP コンテナ */
.kindle-book-lp {
  font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--kblp-text);
}

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Playfair+Display:wght@400;600;700&display=swap');

.kindle-book-lp h1, 
.kindle-book-lp h2, 
.kindle-book-lp h3, 
.kindle-book-lp h4, 
.kindle-book-lp h5, 
.kindle-book-lp h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.kindle-book-lp h1 {
  font-size: 3.5rem;
}

.kindle-book-lp h2 {
  font-size: 2.25rem;
  margin-bottom: 2rem;
}

.kindle-book-lp h3 {
  font-size: 1.875rem;
}

.kindle-book-lp p {
  margin-bottom: 1rem;
}

.kindle-book-lp a {
  color: var(--kblp-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.kindle-book-lp a:hover {
  color: var(--kblp-primary-dark);
}

/* コンテナ */
.kindle-book-lp .kblp-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .kindle-book-lp .kblp-container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .kindle-book-lp .kblp-container {
    padding: 0 2rem;
  }
}

/* ボタン */
.kindle-book-lp .kblp-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  font-size: 1rem;
  font-family: 'Lato', sans-serif;
}

.kindle-book-lp .kblp-btn-primary {
  background-color: var(--kblp-primary);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(30, 58, 138, 0.2);
}

.kindle-book-lp .kblp-btn-primary:hover {
  background-color: var(--kblp-primary-dark);
  box-shadow: 0 15px 35px rgba(30, 58, 138, 0.3);
  transform: translateY(-2px);
}

.kindle-book-lp .kblp-btn-outline {
  background-color: transparent;
  color: var(--kblp-primary);
  border: 2px solid var(--kblp-primary);
}

.kindle-book-lp .kblp-btn-outline:hover {
  background-color: var(--kblp-primary);
  color: #ffffff;
}

.kindle-book-lp .kblp-btn-lg {
  padding: 1.5rem 2rem;
  font-size: 1.125rem;
}

/* ヒーロー部分 */
.kindle-book-lp .kblp-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--kblp-bg-light) 0%, var(--kblp-bg-dark) 100%);
  padding: 3rem 0;
}

.kindle-book-lp .kblp-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(135deg, rgba(30, 58, 138, 0.1) 0%, rgba(166, 124, 82, 0.05) 100%);
  z-index: 0;
}

.kindle-book-lp .kblp-hero-content {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .kindle-book-lp .kblp-hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

.kindle-book-lp .kblp-hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.kindle-book-lp .kblp-hero-subtitle {
  font-size: 1.125rem;
  color: var(--kblp-text-light);
  margin-bottom: 2rem;
}

.kindle-book-lp .kblp-hero-description {
  font-size: 1.125rem;
  color: var(--kblp-text-light);
  margin-bottom: 2rem;
}

.kindle-book-lp .kblp-hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .kindle-book-lp .kblp-hero-buttons {
    flex-direction: row;
  }
}

.kindle-book-lp .kblp-hero-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--kblp-text-light);
}

.kindle-book-lp .kblp-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kindle-book-lp .kblp-feature-icon {
  color: var(--kblp-primary);
  font-weight: bold;
}

/* 著者メッセージ部分 */
.kindle-book-lp .kblp-author {
  padding: 6rem 0;
  background-color: rgba(30, 58, 138, 0.05);
  border-top: 1px solid var(--kblp-border);
}

.kindle-book-lp .kblp-author h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.kindle-book-lp .kblp-author-content {
  max-width: 56rem;
  margin: 0 auto;
}

.kindle-book-lp .kblp-author-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--kblp-text-light);
  margin-bottom: 1.5rem;
}

.kindle-book-lp .kblp-author-content blockquote {
  border-left: 4px solid var(--kblp-primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-size: 1.25rem;
  font-style: italic;
  font-family: 'Playfair Display', serif;
  color: var(--kblp-text);
}

.kindle-book-lp .kblp-author-content strong {
  color: var(--kblp-text);
  font-weight: 700;
}

/* 本の構成部分 */
.kindle-book-lp .kblp-chapters {
  padding: 6rem 0;
}

.kindle-book-lp .kblp-chapters h2 {
  text-align: center;
  margin-bottom: 4rem;
}

.kindle-book-lp .kblp-chapter-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.kindle-book-lp .kblp-chapter {
  padding: 1.5rem;
  border: 1px solid var(--kblp-border);
  border-radius: 0.5rem;
  background-color: var(--kblp-bg);
  transition: all 0.3s ease;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
}

.kindle-book-lp .kblp-chapter:hover {
  background-color: rgba(30, 58, 138, 0.05);
  transform: translateX(0.5rem);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.kindle-book-lp .kblp-chapter-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 0.5rem;
  background-color: rgba(30, 58, 138, 0.1);
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--kblp-primary);
  flex-shrink: 0;
}

.kindle-book-lp .kblp-chapter:hover .kblp-chapter-number {
  background-color: rgba(30, 58, 138, 0.2);
}

.kindle-book-lp .kblp-chapter h3 {
  margin-bottom: 0.5rem;
}

.kindle-book-lp .kblp-chapter p {
  color: var(--kblp-text-light);
  margin: 0;
}

/* ターゲット層部分 */
.kindle-book-lp .kblp-targets {
  padding: 6rem 0;
  background-color: rgba(30, 58, 138, 0.05);
}

.kindle-book-lp .kblp-targets h2 {
  text-align: center;
  margin-bottom: 4rem;
}

.kindle-book-lp .kblp-targets-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .kindle-book-lp .kblp-targets-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.kindle-book-lp .kblp-target-card {
  padding: 2rem;
  border-radius: 0.5rem;
  background-color: var(--kblp-bg);
  border: 1px solid var(--kblp-border);
  transition: all 0.3s ease;
}

.kindle-book-lp .kblp-target-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.kindle-book-lp .kblp-target-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background-color: rgba(30, 58, 138, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.kindle-book-lp .kblp-target-card h3 {
  margin-bottom: 1rem;
}

.kindle-book-lp .kblp-target-card p {
  color: var(--kblp-text-light);
  margin: 0;
}

/* FAQ部分 */
.kindle-book-lp .kblp-faq {
  padding: 6rem 0;
}

.kindle-book-lp .kblp-faq h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.kindle-book-lp .kblp-faq-container {
  max-width: 48rem;
  margin: 0 auto;
}

.kindle-book-lp .kblp-faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--kblp-border);
  border-radius: 0.5rem;
  overflow: hidden;
}

.kindle-book-lp .kblp-faq-question {
  padding: 1.5rem;
  background-color: var(--kblp-bg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
  font-weight: 600;
}

.kindle-book-lp .kblp-faq-question:hover {
  background-color: var(--kblp-bg-dark);
}

.kindle-book-lp .kblp-faq-toggle {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.kindle-book-lp .kblp-faq-item.active .kblp-faq-toggle {
  transform: rotate(180deg);
}

.kindle-book-lp .kblp-faq-answer {
  padding: 0;
  background-color: var(--kblp-bg-light);
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.kindle-book-lp .kblp-faq-item.active .kblp-faq-answer {
  padding: 1.5rem;
  max-height: 500px;
}

.kindle-book-lp .kblp-faq-answer p {
  color: var(--kblp-text-light);
  margin: 0;
}

/* CTA部分 */
.kindle-book-lp .kblp-cta {
  padding: 8rem 0;
  background: linear-gradient(135deg, var(--kblp-primary) 0%, var(--kblp-primary-dark) 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.kindle-book-lp .kblp-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  z-index: 0;
}

.kindle-book-lp .kblp-cta-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 56rem;
  margin: 0 auto;
}

.kindle-book-lp .kblp-cta h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.kindle-book-lp .kblp-cta p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.kindle-book-lp .kblp-cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .kindle-book-lp .kblp-cta-buttons {
    flex-direction: row;
  }
}

.kindle-book-lp .kblp-cta .kblp-btn-primary {
  background-color: #ffffff;
  color: var(--kblp-primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.kindle-book-lp .kblp-cta .kblp-btn-primary:hover {
  background-color: var(--kblp-bg-light);
}

.kindle-book-lp .kblp-cta-note {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .kindle-book-lp h1 {
    font-size: 2rem;
  }

  .kindle-book-lp h2 {
    font-size: 1.5rem;
  }

  .kindle-book-lp .kblp-hero h1 {
    font-size: 2rem;
  }

  .kindle-book-lp .kblp-cta h2 {
    font-size: 1.875rem;
  }

  .kindle-book-lp .kblp-hero {
    min-height: auto;
    padding: 3rem 0;
  }

  .kindle-book-lp .kblp-hero-buttons {
    flex-direction: column;
  }

  .kindle-book-lp .kblp-btn-lg {
    width: 100%;
  }

  .kindle-book-lp .kblp-targets-grid {
    grid-template-columns: 1fr;
  }

  .kindle-book-lp .kblp-cta-buttons {
    flex-direction: column;
  }

  .kindle-book-lp .kblp-cta .kblp-btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .kindle-book-lp h1 {
    font-size: 1.75rem;
  }

  .kindle-book-lp h2 {
    font-size: 1.25rem;
  }

  .kindle-book-lp h3 {
    font-size: 1.125rem;
  }

  .kindle-book-lp p {
    font-size: 0.95rem;
  }

  .kindle-book-lp .kblp-hero h1 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }

  .kindle-book-lp .kblp-hero-subtitle,
  .kindle-book-lp .kblp-hero-description {
    font-size: 1rem;
  }

  .kindle-book-lp .kblp-btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.95rem;
  }

  .kindle-book-lp .kblp-btn-lg {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  .kindle-book-lp .kblp-chapter-number {
    width: 3rem;
    height: 3rem;
    font-size: 0.875rem;
  }

  .kindle-book-lp .kblp-cta h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .kindle-book-lp .kblp-cta p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .kindle-book-lp .kblp-author {
    padding: 3rem 0;
  }

  .kindle-book-lp .kblp-chapters {
    padding: 3rem 0;
  }

  .kindle-book-lp .kblp-targets {
    padding: 3rem 0;
  }

  .kindle-book-lp .kblp-faq {
    padding: 3rem 0;
  }

  .kindle-book-lp .kblp-cta {
    padding: 4rem 0;
  }
}