/**
 * 地域活性化×通販セミナー LP スタイルシート
 * 青系コンサルティングデザイン
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
  --primary-color: #1a5fa4;
  --primary-dark: #134a7f;
  --primary-light: #e8f1fa;
  --accent-color: #ff6b35;
  --accent-hover: #e55a2b;
  --text-primary: #2c3e50;
  --text-secondary: #5a6c7d;
  --text-light: #ffffff;
  --bg-white: #ffffff;
  --bg-light: #f7f9fc;
  --bg-dark: #1a5fa4;
  --border-color: #e1e8ef;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', sans-serif;
  --container-width: 1100px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  --border-radius: 8px;
  --border-radius-lg: 16px;
}

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

body {
  font-family: var(--font-family);
  font-size: 24px;
  line-height: 1.8;
  color: var(--text-primary);
  background-color: var(--bg-white);
}

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

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ========================================
   Container
   ======================================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background-color: var(--bg-white);
  text-align: center;
  padding: 0;
}

.hero-title-img {
  width: 100%;
  max-width: var(--container-width);
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ========================================
   Section Base
   ======================================== */
.section {
  padding: var(--spacing-xl) 0;
}

.section--gray {
  background-color: var(--bg-light);
}

.section--primary {
  background-color: var(--primary-light);
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 5px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 27px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   Target Audience (課題提起)
   ======================================== */
.target-box {
  background-color: var(--bg-white);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.target-title {
  font-size: 33px;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.target-list {
  list-style: none;
  display: grid;
  gap: var(--spacing-sm);
}

.target-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: 26px;
  line-height: 1.6;
}

.target-list li::before {
  content: '';
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background-color: var(--primary-color);
  border-radius: 50%;
  margin-top: 6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
  background-size: 22px;
  background-repeat: no-repeat;
  background-position: center;
}

.target-industries {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.industry-tag {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 600;
  border-radius: 20px;
  font-size: 23px;
}

/* ========================================
   Learn Section (学べること)
   ======================================== */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.learn-card {
  background-color: var(--bg-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.learn-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.learn-card p {
  margin: 0;
  font-size: 24px;
  line-height: 1.7;
}

/* ========================================
   Points Section (ポイント解説)
   ======================================== */
.point-block {
  background-color: var(--bg-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.point-block:last-child {
  margin-bottom: 0;
}

.point-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.point-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 700;
}

.point-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.point-content {
  color: var(--text-secondary);
  line-height: 1.9;
}

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

.point-content p:last-child {
  margin-bottom: 0;
}

.point-highlight {
  background-color: var(--primary-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  color: var(--primary-dark);
}

/* ========================================
   Cases Section (成功事例)
   ======================================== */
.case-grid {
  display: grid;
  gap: var(--spacing-md);
}

.case-card {
  background-color: var(--bg-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: box-shadow 0.3s ease;
}

.case-card:hover {
  box-shadow: var(--shadow-md);
}

.case-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.case-number {
  padding: 6px 16px;
  background-color: var(--primary-color);
  color: var(--text-light);
  font-size: 20px;
  font-weight: 700;
  border-radius: 4px;
}

.case-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

.case-title .case-region {
  color: var(--primary-color);
  font-weight: 700;
}

.case-title .case-revenue {
  color: var(--accent-color);
  font-weight: 700;
}

.case-description {
  font-size: 21px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ========================================
   Knowhow Section (ノウハウ事例)
   ======================================== */
.subsection-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md) 0;
  text-align: center;
}

.knowhow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.knowhow-card {
  background-color: var(--bg-white);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  text-align: center;
}

.knowhow-label {
  display: inline-block;
  padding: 4px 16px;
  background-color: var(--primary-color);
  color: var(--text-light);
  font-size: 18px;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
}

.knowhow-text {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.5;
}

.jirei-image {
  margin-top: var(--spacing-lg);
}

.jirei-image img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .knowhow-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Curriculum Section (講座内容)
   ======================================== */
.curriculum-list {
  list-style: none;
  counter-reset: curriculum;
}

.curriculum-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

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

.curriculum-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
}

.curriculum-text {
  font-size: 26px;
  line-height: 1.6;
  padding-top: 10px;
}

/* ========================================
   Speaker Section (講師紹介)
   ======================================== */
.speaker-card {
  display: flex;
  gap: var(--spacing-lg);
  background-color: var(--bg-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  align-items: flex-start;
}

.speaker-photo {
  flex-shrink: 0;
  width: 220px;
  text-align: center;
}

.speaker-photo img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

.speaker-photo-caption {
  margin-top: var(--spacing-sm);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.speaker-photo-caption span {
  display: block;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.speaker-info {
  flex: 1;
}

.speaker-company {
  font-size: 21px;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.speaker-name {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.speaker-name span {
  font-size: 21px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: var(--spacing-sm);
}

.speaker-bio {
  font-size: 23px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.speaker-books {
  font-size: 21px;
  color: var(--text-secondary);
}

.speaker-books strong {
  color: var(--text-primary);
}

/* ========================================
   Details Section (開催要項)
   ======================================== */
.details-table {
  width: 100%;
  background-color: var(--bg-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.details-row {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.details-row:last-child {
  border-bottom: none;
}

.details-label {
  flex-shrink: 0;
  width: 160px;
  padding: var(--spacing-md);
  background-color: var(--primary-light);
  font-weight: 600;
  color: var(--primary-dark);
}

.details-value {
  flex: 1;
  padding: var(--spacing-md);
  line-height: 1.7;
}

.details-value strong {
  color: var(--accent-color);
  font-size: 30px;
}

.note-text {
  font-size: 21px;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

/* ========================================
   Company Section (会社情報)
   ======================================== */
.company-info {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--bg-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.company-name {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.company-description {
  font-size: 23px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.company-address {
  font-size: 21px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Company About */
.company-about {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.company-about p {
  font-size: 22px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.company-about p:last-child {
  margin-bottom: 0;
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--text-light);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.cta-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.cta-text {
  font-size: 24px;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.cta-button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-xl);
  background-color: var(--accent-color);
  color: var(--text-light);
  font-size: 27px;
  font-weight: 700;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: var(--shadow-md);
}

.cta-button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  text-decoration: none;
}

/* ========================================
   Form Styles
   ======================================== */
.form-wrapper {
  max-width: 700px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.form-label {
  display: block;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-light);
}

.form-label .required {
  display: inline-block;
  background-color: var(--accent-color);
  color: white;
  font-size: 14px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  font-size: 18px;
  font-family: var(--font-family);
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  background-color: var(--bg-white);
  color: var(--text-primary);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.form-control::placeholder {
  color: #999;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%232c3e50'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 24px;
  padding-right: 40px;
}

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

.form-actions {
  margin-top: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 16px 48px;
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-family);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--text-light);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: #6c757d;
  color: var(--text-light);
}

.btn-secondary:hover {
  background-color: #5a6268;
}

/* 確認画面 */
.confirm-box {
  background-color: var(--bg-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  color: var(--text-primary);
}

.confirm-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.confirm-text {
  text-align: center;
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.confirm-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

.confirm-table th,
.confirm-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 18px;
  text-align: left;
}

.confirm-table th {
  width: 160px;
  background-color: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

.confirm-table td {
  background-color: var(--bg-white);
  word-break: break-word;
}

/* ローディング */
.loading-box {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-light);
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--text-light);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* フォームのレスポンシブ */
@media screen and (max-width: 767px) {
  .form-label {
    font-size: 16px;
  }

  .form-control {
    font-size: 16px;
    padding: 12px 14px;
  }

  .btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 18px;
  }

  .form-actions {
    flex-direction: column;
  }

  .confirm-table th,
  .confirm-table td {
    display: block;
    width: 100%;
    font-size: 16px;
  }

  .confirm-table th {
    border-bottom: none;
    padding-bottom: 4px;
  }

  .confirm-table td {
    padding-top: 4px;
    padding-bottom: 16px;
  }
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background-color: var(--text-primary);
  color: var(--text-light);
  padding: var(--spacing-lg) 0;
  text-align: center;
  font-size: 21px;
}

.footer a {
  color: var(--text-light);
  opacity: 0.8;
}

.footer a:hover {
  opacity: 1;
}

/* ========================================
   Utilities
   ======================================== */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--accent-color);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   Responsive Design
   ======================================== */
@media screen and (max-width: 1023px) {
  .speaker-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .speaker-photo {
    width: 180px;
    height: 180px;
  }
}

@media screen and (max-width: 767px) {
  :root {
    --spacing-xl: 40px;
    --spacing-lg: 28px;
  }

  body {
    font-size: 18px;
  }

  .section-title {
    font-size: 28px;
  }

  .learn-grid {
    grid-template-columns: 1fr;
  }

  .learn-card p {
    font-size: 18px;
  }

  .point-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

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

  .case-header {
    flex-wrap: wrap;
  }

  .case-title {
    font-size: 20px;
  }

  .case-description {
    font-size: 16px;
  }

  .curriculum-text {
    font-size: 18px;
  }

  .details-row {
    flex-direction: column;
  }

  .details-label {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .details-value {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
  }

  .speaker-card {
    padding: var(--spacing-md);
  }

  .speaker-name {
    font-size: 26px;
  }

  .speaker-name span {
    display: block;
    margin-left: 0;
    margin-top: var(--spacing-xs);
  }

  .cta-title {
    font-size: 28px;
  }

  .cta-text {
    font-size: 18px;
  }

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