/**
 * CardioMR Academy ランディングページ用CSS
 *
 * プレフィックス: cma- (CardioMR Academy)
 * 既存テーマの c- プレフィックスとの衝突を回避
 *
 * デザインシステム:
 *   Primary: #2563eb (blue-600)
 *   Primary Light: #dbeafe (blue-100)
 *   Primary Dark: #1d4ed8 (blue-700)
 *   Font: Inter, Noto Sans JP, sans-serif
 *   Breakpoints: 960px (tablet), 450px (mobile)
 *   Max content width: 1280px
 */

/* ==========================================================================
   0. 基本設定・リセット
   ========================================================================== */

html {
  scroll-behavior: smooth;
}

/* ==========================================================================
   1. 共通ユーティリティ
   ========================================================================== */

.cma-container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.cma-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-section-title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
  color: #111827;
  margin-bottom: 16px;
}

.cma-section-subtitle {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: #6b7280;
  margin-bottom: 48px;
}

.cma-badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  border-radius: 9999px;
  font-family: Inter, 'Noto Sans JP', sans-serif;
}

.cma-badge--blue {
  background-color: #2563eb;
  color: #ffffff;
}

.cma-badge--gray {
  background-color: #f3f4f6;
  color: #4b5563;
}

.cma-badge--blue-light {
  background-color: #dbeafe;
  color: #1d4ed8;
}

.cma-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.cma-btn--primary {
  background-color: #2563eb;
  color: #ffffff;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
}

.cma-btn--primary:hover {
  background-color: #1d4ed8;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.cma-btn--secondary {
  background-color: #ffffff;
  color: #111827;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.cma-btn--secondary:hover {
  background-color: #f9fafb;
  border-color: #d1d5db;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
}

.cma-btn--sm {
  padding: 8px 20px;
  font-size: 14px;
}

.cma-btn--lg {
  padding: 18px 40px;
  font-size: 18px;
}

/* ==========================================================================
   2. サブナビゲーション (.cma-subnav)
   ========================================================================== */

.cma-subnav {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  height: 60px;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: height 0.3s ease;
}

.cma-subnav--scrolled {
  height: 48px;
}

.cma-subnav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.cma-subnav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.cma-subnav__logo {
  height: 32px;
  width: auto;
  transition: height 0.3s ease;
}

.cma-subnav--scrolled .cma-subnav__logo {
  height: 26px;
}

.cma-subnav__title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  white-space: nowrap;
  transition: font-size 0.3s ease;
}

.cma-subnav--scrolled .cma-subnav__title {
  font-size: 14px;
}

.cma-subnav__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.cma-subnav__nav::-webkit-scrollbar {
  display: none;
}

.cma-subnav__link {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #4b5563;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 9999px;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.cma-subnav__link:hover {
  color: #2563eb;
  background-color: #dbeafe;
}

.cma-subnav__link--active {
  color: #2563eb;
  background-color: #dbeafe;
  font-weight: 600;
}

.cma-subnav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background-color: #2563eb;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.cma-subnav__cta:hover {
  background-color: #1d4ed8;
}

.cma-subnav--scrolled .cma-subnav__cta {
  padding: 6px 16px;
  font-size: 13px;
}

/* ==========================================================================
   3. ヒーローセクション (.cma-hero)
   ========================================================================== */

.cma-hero {
  position: relative;
  width: 100%;
  height: 566px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.cma-hero__carousel {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.cma-hero__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.cma-hero__slide--active {
  opacity: 1;
}

.cma-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: cma-ken-burns 8s ease-in-out infinite alternate;
}

.cma-hero__overlay-dark {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.25);
}

.cma-hero__overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.80) 0%, rgba(255, 255, 255, 0.80) 40%, rgba(255, 255, 255, 0) 70%);
}

.cma-hero__content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  max-width: 560px;
  padding: 48px;
}

.cma-hero__badge {
  display: inline-block;
  padding: 6px 16px;
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background-color: #2563eb;
  border-radius: 9999px;
  margin-bottom: 20px;
  align-self: flex-start;
}

.cma-hero__title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  color: #111827;
  margin-bottom: 16px;
}

.cma-hero__description {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
  color: #4b5563;
  margin-bottom: 32px;
}

.cma-hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   4. 統計セクション (.cma-stats)
   ========================================================================== */

.cma-stats {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cma-stats__card {
  background-color: #ffffff;
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.cma-stats__card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.cma-stats__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: #eff6ff;
  border-radius: 16px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 16px;
}

.cma-stats__icon {
  width: 32px;
  height: 32px;
  color: #2563eb;
}

.cma-stats__number {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  color: #111827;
  margin-bottom: 8px;
}

.cma-stats__unit {
  font-size: 24px;
  font-weight: 600;
}

.cma-stats__label {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #6b7280;
  line-height: 1.5;
}

/* ==========================================================================
   5. チャレンジセクション (.cma-challenge)
   ========================================================================== */

.cma-challenge {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-challenge__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cma-challenge__card {
  background-color: #ffffff;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  overflow: hidden;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.cma-challenge__card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  transform: translateY(-8px);
}

.cma-challenge__image-wrap {
  position: relative;
  width: 100%;
  height: 192px;
  overflow: hidden;
}

.cma-challenge__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.cma-challenge__card:hover .cma-challenge__image {
  transform: scale(1.05);
}

.cma-challenge__icon-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
}

.cma-challenge__icon-badge--red {
  background-color: #fee2e2;
  color: #dc2626;
}

.cma-challenge__icon-badge--orange {
  background-color: #ffedd5;
  color: #ea580c;
}

.cma-challenge__icon-badge--amber {
  background-color: #fef3c7;
  color: #d97706;
}

.cma-challenge__icon-badge svg,
.cma-challenge__icon-badge img {
  width: 24px;
  height: 24px;
}

.cma-challenge__body {
  padding: 24px;
}

.cma-challenge__title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #111827;
  line-height: 1.4;
  margin-bottom: 12px;
}

.cma-challenge__text {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.7;
}

/* ==========================================================================
   6. FACT / 誤解セクション (.cma-fact)
   ========================================================================== */

.cma-fact {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-fact__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cma-fact__card {
  background-color: #ffffff;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  overflow: hidden;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease;
}

.cma-fact__card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.cma-fact__image-wrap {
  position: relative;
  width: 100%;
  height: 192px;
  overflow: hidden;
}

.cma-fact__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cma-fact__body {
  padding: 20px;
}

.cma-fact__misconception {
  margin-bottom: 16px;
}

.cma-fact__label {
  display: inline-block;
  padding: 4px 10px;
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
  margin-bottom: 8px;
}

.cma-fact__label--misconception {
  background-color: #f3f4f6;
  color: #4b5563;
}

.cma-fact__label--truth {
  background-color: #dbeafe;
  color: #1d4ed8;
}

.cma-fact__misconception-text {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #111827;
  line-height: 1.6;
}

.cma-fact__truth {
  padding-top: 16px;
  border-top: 1px solid #e5e7eb;
}

.cma-fact__truth-text {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.6;
}

.cma-fact__summary {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-radius: 16px;
  padding: 32px;
  margin-top: 48px;
}

.cma-fact__summary-title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 12px;
}

.cma-fact__summary-text {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #4b5563;
  line-height: 1.7;
}

/* ==========================================================================
   7. ソリューションセクション (.cma-solution)
   ========================================================================== */

.cma-solution {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-solution__layout {
  display: flex;
  align-items: center;
  gap: 64px;
}

.cma-solution__image-col {
  flex: 1;
  min-width: 0;
}

.cma-solution__image {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.cma-solution__text-col {
  flex: 1;
  min-width: 0;
}

.cma-solution__items {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.cma-solution__item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.cma-solution__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  background-color: #2563eb;
  color: #ffffff;
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  line-height: 1;
}

.cma-solution__item-content {
  flex: 1;
}

.cma-solution__item-title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #111827;
  line-height: 1.4;
  margin-bottom: 8px;
}

.cma-solution__item-text {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.7;
}

/* ==========================================================================
   8. プログラムセクション (.cma-program)
   ========================================================================== */

.cma-program {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-program__items {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.cma-program__item {
  display: flex;
  align-items: center;
  gap: 48px;
}

.cma-program__item:nth-child(even) {
  flex-direction: row-reverse;
}

.cma-program__item-image-col {
  flex: 1;
  min-width: 0;
}

.cma-program__item-image {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.cma-program__item-text-col {
  flex: 1;
  min-width: 0;
}

.cma-program__item-badge {
  display: inline-block;
  padding: 4px 12px;
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #2563eb;
  background-color: #dbeafe;
  border-radius: 9999px;
  margin-bottom: 16px;
}

.cma-program__item-title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: #111827;
  line-height: 1.3;
  margin-bottom: 12px;
}

.cma-program__item-description {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 20px;
}

.cma-program__curriculum {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cma-program__curriculum-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #4b5563;
  line-height: 1.5;
}

.cma-program__curriculum-item::before {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: 50%;
  background-color: #dbeafe;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%232563eb'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 14px 14px;
  background-repeat: no-repeat;
  background-position: center;
}

/* ==========================================================================
   9. 強みセクション (.cma-strength)
   ========================================================================== */

.cma-strength {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-strength__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cma-strength__card {
  background-color: #ffffff;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  padding: 32px;
  text-align: center;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.cma-strength__card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.cma-strength__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: #dbeafe;
  border-radius: 16px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 20px;
}

.cma-strength__icon {
  width: 32px;
  height: 32px;
  color: #2563eb;
}

.cma-strength__title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #111827;
  line-height: 1.4;
  margin-bottom: 12px;
}

.cma-strength__text {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.7;
}

/* ==========================================================================
   10. 講師セクション (.cma-instructor)
   ========================================================================== */

.cma-instructor {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-instructor__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.cma-instructor__card {
  background-color: #ffffff;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  padding: 32px;
  text-align: center;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.cma-instructor__card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.cma-instructor__photo-wrap {
  width: 120px;
  height: 120px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #dbeafe;
}

.cma-instructor__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cma-instructor__name {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #111827;
  line-height: 1.3;
  margin-bottom: 4px;
}

.cma-instructor__title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #2563eb;
  line-height: 1.4;
  margin-bottom: 16px;
}

.cma-instructor__bio {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.7;
  text-align: left;
}

/* ==========================================================================
   11. コンテンツ制作セクション (.cma-content)
   ========================================================================== */

.cma-content {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cma-content__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cma-content__card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.cma-content__card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.cma-content__card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.cma-content__card:hover .cma-content__card-image {
  transform: scale(1.05);
}

.cma-content__card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cma-content__card:hover .cma-content__card-overlay {
  opacity: 1;
}

.cma-content__card-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  transform: translateY(8px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.cma-content__card:hover .cma-content__card-caption {
  transform: translateY(0);
  opacity: 1;
}

.cma-content__card-title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.4;
}

.cma-content__card-description {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  margin-top: 4px;
}

/* ==========================================================================
   12. CTAセクション (.cma-cta)
   ========================================================================== */

.cma-cta {
  padding-top: 80px;
  padding-bottom: 80px;
  background-color: #f9fafb;
}

.cma-cta__inner {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.cma-cta__title {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: #111827;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cma-cta__text {
  font-family: Inter, 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 32px;
}

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

/* ==========================================================================
   13. Ken Burns アニメーション
   ========================================================================== */

@keyframes cma-ken-burns {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.1);
  }
}

.animate-ken-burns {
  animation: cma-ken-burns 8s ease-in-out infinite alternate;
}

/* ==========================================================================
   14. サイドドットナビゲーション
   ========================================================================== */

.cma-side-dots {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 20px;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.cma-side-dots--visible {
  opacity: 1;
  pointer-events: auto;
}

.cma-side-dots__item {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
  flex-direction: row-reverse;
}

.cma-side-dots__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d1d5db;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.cma-side-dots__item:hover .cma-side-dots__dot,
.cma-side-dots__item--active .cma-side-dots__dot {
  width: 14px;
  height: 14px;
  background: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.cma-side-dots__dot--cta {
  width: 28px !important;
  height: 28px !important;
  background: #2563eb !important;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  border-radius: 50%;
}

.cma-side-dots__item--cta {
  margin-top: 8px;
}

.cma-side-dots__label {
  font-size: 12px;
  font-weight: 500;
  color: #374151;
  background: white;
  padding: 4px 10px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.cma-side-dots__item:hover .cma-side-dots__label {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   15. レスポンシブ: タブレット (max-width: 960px)
   ========================================================================== */

@media screen and (max-width: 960px) {
  .cma-side-dots {
    display: none !important;
  }

  .cma-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .cma-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

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

  .cma-section-subtitle {
    font-size: 16px;
    margin-bottom: 36px;
  }

  /* サブナビゲーション */
  .cma-subnav__inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .cma-subnav__title {
    font-size: 14px;
  }

  .cma-subnav__nav {
    max-width: 50%;
    gap: 2px;
  }

  .cma-subnav__link {
    font-size: 13px;
    padding: 5px 10px;
  }

  /* ヒーロー */
  .cma-hero {
    height: 480px;
  }

  .cma-hero__content {
    padding: 32px;
    max-width: 480px;
  }

  .cma-hero__title {
    font-size: 32px;
  }

  .cma-hero__description {
    font-size: 16px;
  }

  /* 統計 */
  .cma-stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .cma-stats__card {
    padding: 24px;
  }

  .cma-stats__number {
    font-size: 36px;
  }

  .cma-stats__unit {
    font-size: 20px;
  }

  /* チャレンジ */
  .cma-challenge__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* FACT */
  .cma-fact__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .cma-fact__summary {
    padding: 24px;
    margin-top: 36px;
  }

  /* ソリューション */
  .cma-solution__layout {
    flex-direction: column;
    gap: 40px;
  }

  .cma-solution__image-col {
    width: 100%;
  }

  .cma-solution__text-col {
    width: 100%;
  }

  /* プログラム */
  .cma-program__item {
    flex-direction: column;
    gap: 32px;
  }

  .cma-program__item:nth-child(even) {
    flex-direction: column;
  }

  .cma-program__item-image-col {
    width: 100%;
  }

  .cma-program__item-text-col {
    width: 100%;
  }

  /* 強み */
  .cma-strength__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* 講師 */
  .cma-instructor__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* コンテンツ */
  .cma-content__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* CTA */
  .cma-cta__title {
    font-size: 28px;
  }

  .cma-cta__text {
    font-size: 16px;
  }
}

/* ==========================================================================
   15. レスポンシブ: モバイル (max-width: 450px)
   ========================================================================== */

@media screen and (max-width: 450px) {
  .cma-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .cma-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-section-title {
    font-size: 24px;
  }

  .cma-section-subtitle {
    font-size: 15px;
    margin-bottom: 28px;
  }

  /* サブナビゲーション */
  .cma-subnav {
    height: 48px;
  }

  .cma-subnav--scrolled {
    height: 44px;
  }

  .cma-subnav__inner {
    padding-left: 12px;
    padding-right: 12px;
  }

  .cma-subnav__brand {
    gap: 8px;
  }

  .cma-subnav__logo {
    height: 24px;
  }

  .cma-subnav__title {
    font-size: 13px;
  }

  .cma-subnav__nav {
    max-width: 40%;
  }

  .cma-subnav__link {
    font-size: 12px;
    padding: 4px 8px;
  }

  .cma-subnav__cta {
    padding: 6px 14px;
    font-size: 12px;
    margin-left: 8px;
  }

  /* ヒーロー */
  .cma-hero {
    height: 420px;
    border-radius: 12px;
  }

  .cma-hero__overlay-gradient {
    background: linear-gradient(to right, rgba(255, 255, 255, 0.90) 0%, rgba(255, 255, 255, 0.90) 50%, rgba(255, 255, 255, 0) 85%);
  }

  .cma-hero__content {
    padding: 24px;
    max-width: 100%;
  }

  .cma-hero__badge {
    font-size: 12px;
    padding: 4px 12px;
    margin-bottom: 16px;
  }

  .cma-hero__title {
    font-size: 26px;
  }

  .cma-hero__description {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .cma-hero__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .cma-hero__actions .cma-btn {
    justify-content: center;
  }

  /* 統計 */
  .cma-stats {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .cma-stats__card {
    padding: 20px 16px;
  }

  .cma-stats__icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 12px;
  }

  .cma-stats__icon {
    width: 24px;
    height: 24px;
  }

  .cma-stats__number {
    font-size: 32px;
  }

  .cma-stats__unit {
    font-size: 16px;
  }

  .cma-stats__label {
    font-size: 12px;
  }

  /* チャレンジ */
  .cma-challenge {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-challenge__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cma-challenge__image-wrap {
    height: 160px;
  }

  .cma-challenge__body {
    padding: 20px;
  }

  .cma-challenge__title {
    font-size: 16px;
  }

  .cma-challenge__text {
    font-size: 13px;
  }

  /* FACT */
  .cma-fact {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-fact__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cma-fact__image-wrap {
    height: 160px;
  }

  .cma-fact__body {
    padding: 16px;
  }

  .cma-fact__summary {
    padding: 20px;
    margin-top: 28px;
  }

  .cma-fact__summary-title {
    font-size: 18px;
  }

  .cma-fact__summary-text {
    font-size: 14px;
  }

  /* ソリューション */
  .cma-solution {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-solution__layout {
    gap: 32px;
  }

  .cma-solution__number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    font-size: 16px;
  }

  .cma-solution__item-title {
    font-size: 16px;
  }

  .cma-solution__item-text {
    font-size: 14px;
  }

  .cma-solution__items {
    gap: 24px;
  }

  /* プログラム */
  .cma-program {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-program__items {
    gap: 40px;
  }

  .cma-program__item {
    gap: 24px;
  }

  .cma-program__item-title {
    font-size: 20px;
  }

  .cma-program__item-description {
    font-size: 14px;
  }

  .cma-program__curriculum-item {
    font-size: 13px;
  }

  /* 強み */
  .cma-strength {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-strength__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cma-strength__card {
    padding: 24px;
  }

  .cma-strength__icon-wrap {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
  }

  .cma-strength__icon {
    width: 28px;
    height: 28px;
  }

  .cma-strength__title {
    font-size: 16px;
  }

  .cma-strength__text {
    font-size: 13px;
  }

  /* 講師 */
  .cma-instructor {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-instructor__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cma-instructor__card {
    padding: 24px;
  }

  .cma-instructor__photo-wrap {
    width: 96px;
    height: 96px;
    margin-bottom: 16px;
  }

  .cma-instructor__name {
    font-size: 18px;
  }

  .cma-instructor__title {
    font-size: 13px;
  }

  .cma-instructor__bio {
    font-size: 13px;
  }

  /* コンテンツ */
  .cma-content {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cma-content__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* CTA */
  .cma-cta {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .cma-cta__title {
    font-size: 24px;
  }

  .cma-cta__text {
    font-size: 15px;
    margin-bottom: 24px;
  }

  .cma-cta__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .cma-cta__actions .cma-btn {
    justify-content: center;
  }

  /* 共通ボタン調整 */
  .cma-btn {
    padding: 12px 24px;
    font-size: 15px;
  }

  .cma-btn--lg {
    padding: 14px 32px;
    font-size: 16px;
  }

  .cma-btn--sm {
    padding: 6px 16px;
    font-size: 13px;
  }
}

/* ==========================================================================
   フローティングPDF CTAボタン
   ========================================================================== */

.floating-pdf-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 12px 16px 12px 14px;
  border-radius: 999px;
  background: #E8891A;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    background-color 0.25s ease,
    max-width 0.25s ease;
  max-width: 210px;
  overflow: hidden;
}

.floating-pdf-cta:hover {
  transform: translateY(-2px);
  background: #1B4A73;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
  max-width: 320px;
}

.floating-pdf-cta:focus-visible {
  outline: 3px solid rgba(60, 130, 246, 0.35);
  outline-offset: 3px;
}

.floating-pdf-cta__icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.floating-pdf-cta__icon svg {
  width: 24px;
  height: 24px;
}

.floating-pdf-cta__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.floating-pdf-cta__label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.floating-pdf-cta__sub {
  margin-top: 2px;
  font-size: 11px;
  font-weight: 500;
  opacity: 0.82;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .floating-pdf-cta {
    right: 14px;
    bottom: 14px;
    left: 14px;
    max-width: none;
    min-height: 52px;
    padding: 11px 14px 11px 12px;
    border-radius: 16px;
    justify-content: center;
  }

  .floating-pdf-cta:hover {
    transform: none;
    max-width: none;
  }

  .floating-pdf-cta__label {
    font-size: 14px;
  }

  .floating-pdf-cta__sub {
    font-size: 11px;
  }
}