/* ===================================
   中小企業情報化塾 - スタイルシート
   =================================== */

/* --- CSS変数 --- */
:root {
  --color-primary: #1a3a5c;
  --color-primary-light: #2a5a8c;
  --color-primary-dark: #0f2440;
  --color-accent: #e67e22;
  --color-accent-light: #f39c12;
  --color-accent-dark: #d35400;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-dark: #e9ecef;
  --color-border: #dee2e6;
  --color-white: #ffffff;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-serif: "Noto Serif JP", "Yu Mincho", serif;
  --max-width: 1100px;
  --header-height: 72px;
  --transition: 0.3s ease;
}

/* --- リセット --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-accent);
}

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

ul, ol {
  list-style: none;
}

/* --- ヘッダー --- */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-logo span {
  color: var(--color-accent);
  font-size: 1.5rem;
}

/* ナビゲーション */
.global-nav ul {
  display: flex;
  gap: 4px;
}

.global-nav a {
  display: block;
  padding: 8px 14px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}

.global-nav a:hover,
.global-nav a.active {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ハンバーガーメニュー */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 6px 0;
  transition: var(--transition);
}

/* --- ヒーローセクション --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: 120px 20px 80px;
  margin-top: var(--header-height);
  text-align: center;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 20px;
}

.hero h1 .accent {
  color: var(--color-accent-light);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto 32px;
  line-height: 1.9;
}

/* --- ページヒーロー（下層ページ用） --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: 100px 20px 48px;
  margin-top: var(--header-height);
  text-align: center;
}

.page-hero h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-hero p {
  font-size: 1rem;
  opacity: 0.85;
}

/* --- ボタン --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(230, 126, 34, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

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

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

/* --- セクション共通 --- */
.section {
  padding: 72px 20px;
}

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

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 1.7rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.section-title p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* --- 数字で見る実績 --- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.stat-card {
  text-align: center;
  background: var(--color-white);
  padding: 32px 16px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.stat-number span {
  font-size: 1rem;
  color: var(--color-text-light);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* --- 3つの強みカード --- */
.strengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.strength-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: 32px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.strength-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.strength-card h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.strength-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- サービスカード --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border-left: 4px solid var(--color-accent);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-3px);
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-card .btn {
  padding: 8px 20px;
  font-size: 0.85rem;
}

/* --- サービス詳細ページ --- */
.service-detail {
  margin-bottom: 56px;
}

.service-detail h2 {
  font-size: 1.4rem;
  color: var(--color-primary);
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-problems {
  background: var(--color-bg-light);
  border-radius: 10px;
  padding: 24px 28px;
  margin-bottom: 24px;
}

.service-problems h3 {
  font-size: 1rem;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
}

.service-problems ul {
  list-style: none;
}

.service-problems li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  font-size: 0.95rem;
}

.service-problems li::before {
  content: "?";
  position: absolute;
  left: 0;
}

.service-content ul {
  list-style: none;
  margin-bottom: 16px;
}

.service-content li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
}

.service-content li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* --- 新着情報 --- */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}

.news-date {
  font-size: 0.85rem;
  color: var(--color-text-light);
  white-space: nowrap;
  min-width: 100px;
}

.news-tag {
  font-size: 0.75rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 2px 10px;
  border-radius: 3px;
  white-space: nowrap;
}

.news-tag.seminar {
  background: var(--color-accent);
}

.news-title {
  font-size: 0.95rem;
}

/* --- 実績ページ --- */
.case-list {
  display: grid;
  gap: 32px;
}

.case-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.case-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 4px solid var(--color-accent);
}

.case-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.case-meta span {
  font-size: 0.85rem;
  background: var(--color-bg-light);
  padding: 4px 12px;
  border-radius: 4px;
  color: var(--color-text-light);
}

.case-body dt {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-top: 12px;
}

.case-body dd {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 4px;
  line-height: 1.7;
}

/* 実績一覧テーブル */
.record-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.record-table th,
.record-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.record-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

.record-table tr:hover {
  background: var(--color-bg-light);
}

/* --- プロフィールページ --- */
.profile-header {
  text-align: center;
  margin-bottom: 48px;
}

.profile-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--color-bg-dark);
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--color-primary-light);
  border: 4px solid var(--color-primary-light);
  overflow: hidden;
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-header h2 {
  font-size: 1.6rem;
  color: var(--color-primary);
}

.profile-header .subtitle {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.profile-story {
  max-width: 800px;
  margin: 0 auto 48px;
  line-height: 2;
}

.profile-story h3 {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin: 32px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--color-accent);
}

.profile-story p {
  margin-bottom: 16px;
  font-size: 0.95rem;
}

/* 資格バッジ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.cert-badge {
  background: var(--color-bg-light);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border);
}

.cert-badge .icon {
  color: var(--color-accent);
  font-weight: bold;
}

/* 専門家登録リスト */
.registration-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.registration-list li {
  padding: 8px 0 8px 20px;
  position: relative;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.registration-list li::before {
  content: "\25A0";
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
  font-size: 0.6rem;
  top: 12px;
}

/* --- セミナーページ --- */
.seminar-upcoming {
  display: grid;
  gap: 20px;
  margin-bottom: 48px;
}

.seminar-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.seminar-date-badge {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 10px;
  padding: 12px 16px;
  text-align: center;
  min-width: 80px;
  flex-shrink: 0;
}

.seminar-date-badge .month {
  font-size: 0.8rem;
}

.seminar-date-badge .day {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
}

.seminar-info h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.seminar-info p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.seminar-past {
  margin-top: 16px;
}

.seminar-past-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 16px;
  align-items: baseline;
}

.seminar-past-item .date {
  font-size: 0.85rem;
  color: var(--color-text-light);
  min-width: 100px;
}

.seminar-past-item .title {
  font-size: 0.95rem;
}

.seminar-past-item .host {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-left: auto;
  white-space: nowrap;
}

/* --- 動画セクション --- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.video-card {
  background: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.video-thumb {
  background: var(--color-bg-dark);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--color-primary-light);
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-card h4 {
  padding: 16px;
  font-size: 0.95rem;
  color: var(--color-primary);
}

/* --- お問い合わせページ --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
  margin-top: 20px;
}

.contact-form label:first-child {
  margin-top: 0;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(42, 90, 140, 0.1);
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-form .btn {
  margin-top: 24px;
  width: 100%;
}

/* 相談の流れ */
.flow-steps {
  display: flex;
  gap: 0;
  margin: 24px 0;
}

.flow-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 8px;
}

.flow-step-number {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto 12px;
}

.flow-step h4 {
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.flow-step p {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.flow-step:not(:last-child)::after {
  content: "\2192";
  position: absolute;
  right: -8px;
  top: 14px;
  font-size: 1.2rem;
  color: var(--color-accent);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.faq-q {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
  padding-left: 28px;
  position: relative;
}

.faq-q::before {
  content: "Q";
  position: absolute;
  left: 0;
  background: var(--color-accent);
  color: var(--color-white);
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.faq-a {
  margin-top: 8px;
  padding-left: 28px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  position: relative;
}

.faq-a::before {
  content: "A";
  position: absolute;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

/* --- CTAセクション --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: 56px 20px;
  text-align: center;
}

.cta-section h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.cta-section p {
  opacity: 0.9;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

/* --- フッター --- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 20px 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-about h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.footer-about p {
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer-nav h4,
.footer-contact h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.footer-nav a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  padding: 4px 0;
}

.footer-nav a:hover {
  color: var(--color-accent-light);
}

.footer-contact p {
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.footer-contact .social-links {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.footer-contact .social-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
  font-size: 0.8rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.7);
  margin: 0 8px;
}

/* --- レスポンシブ --- */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .global-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 16px;
  }

  .global-nav.open {
    display: block;
  }

  .global-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .global-nav a {
    padding: 12px 16px;
    border-radius: 8px;
  }

  .hero {
    padding: 100px 20px 56px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

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

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .flow-steps {
    flex-direction: column;
    gap: 16px;
  }

  .flow-step:not(:last-child)::after {
    content: "\2193";
    position: static;
    display: block;
    margin-top: 8px;
    font-size: 1.2rem;
  }

  .news-item {
    flex-direction: column;
    gap: 4px;
  }

  .seminar-card {
    flex-direction: column;
  }

  .seminar-past-item {
    flex-direction: column;
    gap: 4px;
  }

  .seminar-past-item .host {
    margin-left: 0;
  }

  .case-meta {
    flex-direction: column;
    gap: 8px;
  }

  .section {
    padding: 48px 20px;
  }

  .section-title h2 {
    font-size: 1.4rem;
  }
}