/* ============================================
   BEITRAG - AI研修ページ専用スタイル（淡いオレンジ基調）
============================================ */

/* ---------- ヒーロー ---------- */
.ai-hero {
  background: linear-gradient(145deg, #FDF0E8 0%, #FAD9C1 50%, #F5B98A 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--color-primary-mid);
}

.ai-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 75% 25%, rgba(232,112,42,0.13) 0%, transparent 45%),
    radial-gradient(circle at 15% 75%, rgba(255,255,255,0.6) 0%, transparent 40%);
  pointer-events: none;
}

.ai-hero__inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ai-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(232,112,42,0.4);
  color: var(--color-primary-dark);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.ai-hero__title {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
  line-height: 1.25;
}

.ai-hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ai-hero__subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 36px;
}

.ai-hero__stats {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
}

.ai-hero__stat {
  text-align: center;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(232,112,42,0.25);
  border-radius: var(--radius-md);
  padding: 16px 24px;
}

.ai-hero__stat-num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.ai-hero__stat-label {
  font-size: 11px;
  color: var(--color-text-light);
  font-weight: 500;
}

.ai-hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ヒーロービジュアル */
.ai-hero__visual {
  position: relative;
}

.ai-visual-card {
  background: rgba(255,255,255,0.85);
  border: 2px solid var(--color-primary-mid);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 20px 60px rgba(232,112,42,0.15);
}

.ai-visual-card__title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-primary-mid);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-visual-card__title i {
  color: var(--color-primary);
}

.ai-visual-session {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ai-visual-session__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--color-primary-pale);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

.ai-visual-session__item:nth-child(even) {
  background: var(--color-white);
  border-left-color: var(--color-primary-mid);
}

.ai-visual-session__num {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(232,112,42,0.12);
  padding: 3px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}

.ai-visual-session__name {
  font-size: 11px;
  color: var(--color-text);
  line-height: 1.4;
  flex: 1;
}

.ai-visual-session__time {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.ai-visual-card__total {
  margin-top: 14px;
  padding: 12px 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-visual-card__total span:first-child {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

.ai-visual-card__total span:last-child {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 800;
  color: var(--color-white);
}

/* ---------- 特徴セクション ---------- */
.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.ai-feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ai-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  opacity: 0;
  transition: var(--transition);
}

.ai-feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-mid);
}

.ai-feature-card:hover::before {
  opacity: 1;
}

.ai-feature-card__icon {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, var(--color-primary-pale), var(--color-primary-soft));
  border: 2px solid var(--color-primary-mid);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: var(--transition);
}

.ai-feature-card:hover .ai-feature-card__icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: var(--color-primary);
}

.ai-feature-card__icon i {
  font-size: 1.6rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.ai-feature-card:hover .ai-feature-card__icon i {
  color: var(--color-white);
}

.ai-feature-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.ai-feature-card__text {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ---------- コース一覧タブ ---------- */
.course-tabs {
  background: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.course-tab-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 2px solid var(--color-gray);
}

.course-tab-btns--3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.course-tab-btn {
  padding: 22px 28px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-light);
  background: var(--color-gray-light);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
  border-right: 1px solid var(--color-gray);
}

.course-tab-btn:last-child {
  border-right: none;
}

.course-tab-btn:hover {
  background: var(--color-primary-pale);
  color: var(--color-primary);
}

.course-tab-btn--active {
  background: var(--color-white);
  color: var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
  margin-bottom: -2px;
}

.course-tab-btn .tab-badge {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
}

.course-tab-btn--active .tab-badge {
  background: var(--color-primary);
}

.course-tab-btn:not(.course-tab-btn--active) .tab-badge {
  background: var(--color-gray);
  color: var(--color-text-light);
}

.course-content {
  display: none;
}

.course-content--active {
  display: block;
}

/* ---------- コース①：AI研修カリキュラム ---------- */
.course-overview {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 0;
}

.course-overview__main {
  padding: 40px;
  border-right: 1px solid var(--color-gray);
}

.course-overview__sidebar {
  padding: 40px 32px;
  background: var(--color-primary-pale);
}

.course-overview__heading {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.course-overview__sub {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.course-overview__desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-gray);
}

/* セッションリスト */
.session-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.session-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.session-item:hover {
  border-color: var(--color-primary-mid);
  box-shadow: 0 2px 10px rgba(232,112,42,0.08);
}

.session-item__num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.session-item__num span {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  text-align: center;
}

.session-item__body {
  flex: 1;
}

.session-item__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.session-item__time {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
}

.session-item__icon {
  font-size: 1rem;
  color: var(--color-primary-mid);
  flex-shrink: 0;
  margin-top: 2px;
}

/* サイドバー情報 */
.course-sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.course-info-block {
  background: var(--color-white);
  border: 1px solid var(--color-primary-mid);
  border-radius: var(--radius-md);
  padding: 20px;
}

.course-info-block__label {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.course-info-block__value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
}

.course-info-block__value small {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-light);
}

.course-info-block__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.course-info-block__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-light);
}

.course-info-block__list li i {
  color: var(--color-primary);
  font-size: 11px;
  flex-shrink: 0;
}

/* ---------- コース②：特化型AI実践マスター ---------- */
.tools-overview__main {
  padding: 40px;
  border-right: 1px solid var(--color-gray);
}

.tools-overview__sidebar {
  padding: 40px 32px;
  background: var(--color-primary-pale);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.tool-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-sm);
  padding: 16px 12px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.tool-card:hover {
  border-color: var(--color-primary-mid);
  box-shadow: 0 4px 12px rgba(232,112,42,0.1);
  transform: translateY(-2px);
}

.tool-card__num {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 18px;
  height: 18px;
  background: var(--color-primary-pale);
  border: 1px solid var(--color-primary-mid);
  border-radius: 50%;
  font-size: 9px;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-card__icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary-pale), var(--color-primary-soft));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px auto 10px;
}

.tool-card__icon i {
  font-size: 1.2rem;
  color: var(--color-primary);
}

.tool-card__name {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
  line-height: 1.3;
}

.tool-card__purpose {
  font-size: 10px;
  color: var(--color-text-light);
  line-height: 1.4;
}

.tool-card__time {
  margin-top: 8px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-pale);
  border-radius: 50px;
  padding: 2px 8px;
  display: inline-block;
}

/* ---------- 対象者セクション ---------- */
.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.target-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}

.target-card:hover {
  border-color: var(--color-primary-mid);
  box-shadow: var(--shadow-sm);
}

.target-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-gray);
}

.target-card__icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.target-card__icon i {
  font-size: 1.3rem;
  color: var(--color-white);
}

.target-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.3;
}

.target-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.target-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
}

.target-card__list li i {
  color: var(--color-primary);
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 3px;
}

/* ---------- 補助金セクション ---------- */
.subsidy-banner {
  background: linear-gradient(135deg, var(--color-primary-pale) 0%, var(--color-white) 100%);
  border: 2px solid var(--color-primary-mid);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
}

.subsidy-banner__icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(232,112,42,0.3);
}

.subsidy-banner__icon i {
  font-size: 2rem;
  color: var(--color-white);
}

.subsidy-banner__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.subsidy-banner__text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 14px;
}

.subsidy-banner__text strong {
  color: var(--color-primary);
  font-weight: 700;
}

.subsidy-banner__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.subsidy-banner__tag {
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-mid);
  color: var(--color-primary-dark);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 50px;
}

/* ---------- 導入フロー ---------- */
.ai-intro-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
}

.ai-intro-flow__step {
  flex: 1;
  min-width: 150px;
  max-width: 190px;
  text-align: center;
  padding: 0 16px;
}

.ai-intro-flow__num {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary-mid);
  opacity: 0.45;
  line-height: 1;
  margin-bottom: 8px;
}

.ai-intro-flow__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 4px 15px rgba(232,112,42,0.3);
}

.ai-intro-flow__icon i {
  font-size: 1.4rem;
  color: var(--color-white);
}

.ai-intro-flow__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.ai-intro-flow__text {
  font-size: 12px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.ai-intro-flow__arrow {
  color: var(--color-primary);
  font-size: 1.2rem;
  padding-top: 80px;
  flex-shrink: 0;
}

/* ---------- CTA ---------- */
.ai-cta {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.ai-cta__label {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.9);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 5px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.ai-cta__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.ai-cta__text {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 36px;
}

.ai-cta__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1024px) {
  .ai-hero__inner { grid-template-columns: 1fr; }
  .ai-hero__visual { display: none; }
  .ai-features-grid { grid-template-columns: repeat(2, 1fr); }
  .target-grid { grid-template-columns: repeat(2, 1fr); }
  .course-overview { grid-template-columns: 1fr; }
  .course-overview__main { border-right: none; border-bottom: 1px solid var(--color-gray); }
  .tools-overview__main { border-right: none; border-bottom: 1px solid var(--color-gray); }
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
  .subsidy-banner { grid-template-columns: 1fr; text-align: center; gap: 20px; }
  .subsidy-banner__icon { margin: 0 auto; }
  .subsidy-banner__tags { justify-content: center; }
}

@media (max-width: 768px) {
  .ai-hero__title { font-size: 2rem; }
  .ai-hero__stats { flex-wrap: wrap; }
  .ai-features-grid { grid-template-columns: 1fr; }
  .target-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .course-tab-btns,
  .course-tab-btns--3 { grid-template-columns: 1fr; }
  .course-tab-btn { border-right: none; border-bottom: 1px solid var(--color-gray); }
  .ai-intro-flow { flex-direction: column; align-items: center; }
  .ai-intro-flow__arrow { transform: rotate(90deg); padding: 8px 0; }
  .ai-intro-flow__step { max-width: 300px; width: 100%; }
  .ai-cta__title { font-size: 1.6rem; }
  .subsidy-banner { padding: 32px 24px; }
  .course-overview__main { padding: 28px 20px; }
  .tools-overview__main { padding: 28px 20px; }
}