/* ============================================================
   E-LEARNING PAGE CSS
   ============================================================ */

/* --- 共通変数 --- */
:root {
  --el-orange: #ea9801;
  --el-dark: #111;
  --el-gray: #f5f5f5;
  --el-text: #232323;
  --el-white: #fff;
}
/* --- 共通インナー --- */
.el-inner {
  max-width: 1100px;
  width: 90%;
  margin: 0 auto;
}

/* --- セクションラベル --- */
.el-section-label {
  margin-bottom: 20px;
}
.el-section-label--center {
  text-align: center;
}
.el-label-en {
  display: block;
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--el-orange);
  margin-bottom: 6px;
}
.el-label-ja {
  display: block;
  font-size: 0.85rem;
  color: #777;
  letter-spacing: 1px;
}
/* ============================================================
   HERO
   ============================================================ */
.el-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 88px;
}
.el-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.el-hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.el-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.45) 60%, rgba(234,152,1,0.15) 100%);
}
.el-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  width: 90%;
  margin: 0 auto;
  padding: 80px 0 120px;
}
.el-hero__tag {
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--el-orange);
  border-left: 2px solid var(--el-orange);
  padding-left: 12px;
  margin-bottom: 24px;
}
.el-hero__ttl {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.25;
  color: #fff;
  margin: 0 0 20px;
  letter-spacing: 1px;
}
.el-hero__ttl em {
  font-style: normal;
  color: var(--el-orange);
}
.el-hero__sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.el-hero__desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 36px;
}
.el-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--el-orange);
  color: #fff;
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.85rem;
  letter-spacing: 2px;
  padding: 16px 36px;
  text-decoration: none;
  transition: background 0.3s;
}
.el-hero__btn:hover { background: #c97d00; }
/* breadcrumb (shared .page-hero__breadcrumb already in subpage.css) */

/* ============================================================
   ABOUT
   ============================================================ */
.el-about {
  padding: 100px 0;
  background: #fff;
}
.el-about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.el-about__ttl {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 900;
  line-height: 1.5;
  margin: 0 0 16px;
}
.el-about__ttl em {
  font-style: normal;
  color: var(--el-orange);
}
.el-about__body {
  font-size: 0.92rem;
  line-height: 1.9;
  color: #555;
}
.el-about__merits-ttl {
  font-size: 1rem;
  font-weight: 700;
  color: var(--el-dark);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--el-orange);
}
.el-about__merits-ttl i {
  color: var(--el-orange);
  margin-right: 8px;
}
.el-merit-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.el-merit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.el-merit__num {
  font-family: "Josefin Sans", sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--el-orange);
  opacity: 0.5;
  line-height: 1;
  flex-shrink: 0;
  width: 36px;
}
.el-merit strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.el-merit p {
  font-size: 0.82rem;
  color: #666;
  line-height: 1.7;
  margin: 0;
}
/* ============================================================
   INSTRUCTOR
   ============================================================ */
.el-instructor {
  background: var(--el-dark);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.el-instructor::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(234,152,1,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.el-instructor__grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 70px;
  align-items: center;
}
.el-instructor__img {
  position: relative;
}
.el-instructor__img img {
  width: 100%;
  border-radius: 4px;
  display: block;
}
.el-instructor__img-accent {
  position: absolute;
  top: 16px;
  left: 16px;
  right: -16px;
  bottom: -16px;
  border: 2px solid var(--el-orange);
  border-radius: 4px;
  z-index: -1;
}
.el-section-label--light .el-label-ja { color: rgba(255,255,255,0.4); }
.el-instructor__name {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 900;
  color: #fff;
  margin: 0 0 24px;
}
.el-instructor__name span {
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  margin-left: 10px;
}
.el-instructor__profile {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 16px;
}
/* ============================================================
   COURSES
   ============================================================ */
.el-courses {
  background: #f8f8f8;
  padding: 100px 0;
}
.el-courses__ttl {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  text-align: center;
  margin: 0 0 64px;
  letter-spacing: 1px;
}
/* コースカード */
.el-course-card {
  background: #fff;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 48px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
  border-radius: 4px;
  overflow: hidden;
}
.el-course-card--rev {
  direction: rtl;
}
.el-course-card--rev > * {
  direction: ltr;
}
.el-course-card__img {
  position: relative;
  overflow: hidden;
  min-height: 360px;
}
.el-course-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.el-course-card:hover .el-course-card__img img {
  transform: scale(1.04);
}
.el-course-card__badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--el-orange);
  color: #fff;
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 2px;
}
.el-course-card__body {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.el-course-card__edition {
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #aaa;
  margin-bottom: 10px;
}
.el-course-card__edition span {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--el-orange);
  opacity: 0.35;
  margin-left: 4px;
}
.el-course-card__ttl {
  font-size: 1.15rem;
  font-weight: 900;
  margin: 0 0 28px;
  line-height: 1.5;
}
/* トピック */
.el-course-topics {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}
.el-topic {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.el-topic__icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
}
.el-topic__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.el-topic__icon--sq {
  background: var(--el-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--el-orange);
}
.el-topic strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 3px;
}
.el-topic p {
  font-size: 0.8rem;
  color: #666;
  line-height: 1.7;
  margin: 0;
}
.el-course-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--el-dark);
  color: #fff;
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 2px;
  padding: 14px 28px;
  text-decoration: none;
  align-self: flex-start;
  transition: background 0.3s;
}
.el-course-card__btn:hover { background: var(--el-orange); }
/* ============================================================
   TROUBLE SECTION
   ============================================================ */
.el-trouble {
  background: var(--el-dark);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.el-trouble::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.el-trouble .el-section-label {
  position: relative;
  z-index: 1;
}
.el-trouble .el-label-en { color: var(--el-orange); }
.el-trouble .el-label-ja { color: rgba(255,255,255,0.4); }
.el-trouble__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
  margin-top: 48px;
}
.el-trouble-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 3px solid var(--el-orange);
  padding: 36px 28px;
  border-radius: 2px;
  transition: transform 0.3s, background 0.3s;
}
.el-trouble-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.07);
}
.el-trouble-card__icon {
  font-size: 2rem;
  color: var(--el-orange);
  margin-bottom: 16px;
}
.el-trouble-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.el-trouble-card p {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.9;
}
/* ============================================================
   COMPANY
   ============================================================ */
.el-company {
  background: #fff;
  padding: 100px 0;
}
.el-company__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
}
.el-company__table th,
.el-company__table td {
  padding: 18px 24px;
  font-size: 0.9rem;
  border-bottom: 1px solid #eee;
  vertical-align: top;
  text-align: left;
}
.el-company__table th {
  width: 180px;
  font-weight: 700;
  color: #333;
  background: #fafafa;
  white-space: nowrap;
}
.el-company__table td { color: #555; }
.el-company__table tr:first-child th,
.el-company__table tr:first-child td {
  border-top: 2px solid var(--el-orange);
}
/* ============================================================
   COURSE DETAIL PAGES  (ai_dx1 / ai_dx2 / ai_dx3)
   ============================================================ */

/* Hero */
.el-course-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  padding-top: 88px;
  overflow: hidden;
}
.el-course-hero__bg {
  position: absolute;
  inset: 0;
}
.el-course-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.el-course-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.4) 60%, rgba(0,0,0,0.2) 100%);
}
.el-course-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  width: 90%;
  margin: 0 auto;
  padding-bottom: 64px;
}
.el-course-hero__edition {
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--el-orange);
  border-left: 2px solid var(--el-orange);
  padding-left: 12px;
  margin-bottom: 16px;
}
.el-course-hero__ttl {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  margin: 0 0 12px;
  line-height: 1.3;
}
.el-course-hero__sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  line-height: 1.8;
}
/* Course Intro */
.el-course-intro {
  background: #fff;
  padding: 80px 0;
}
.el-course-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.el-course-intro__img {
  border-radius: 6px;
  overflow: hidden;
}
.el-course-intro__img img {
  width: 100%;
  display: block;
}
.el-course-intro__ttl {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 900;
  margin: 0 0 20px;
  line-height: 1.5;
}
.el-course-intro__ttl em {
  font-style: normal;
  color: var(--el-orange);
}
.el-course-intro__body {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.9;
  margin-bottom: 20px;
}
/* Theme cards (3up) */
.el-themes {
  background: #f8f8f8;
  padding: 80px 0;
}
.el-themes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.el-theme-card {
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.07);
  transition: transform 0.3s;
}
.el-theme-card:hover { transform: translateY(-6px); }
.el-theme-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 4px 4px 0 0;
}
.el-theme-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.el-theme-card__body {
  padding: 24px;
}
.el-theme-card__tag {
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  background: var(--el-orange);
  padding: 4px 10px;
  display: inline-block;
  margin-bottom: 12px;
  border-radius: 2px;
}
.el-theme-card__ttl {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 10px;
}
.el-theme-card__txt {
  font-size: 0.82rem;
  color: #666;
  line-height: 1.8;
  margin: 0;
}
/* Course List */
.el-courselist {
  background: #fff;
  padding: 80px 0;
}
.el-courselist__ttl {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 900;
  margin: 0 0 40px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--el-orange);
}
.el-courselist__group {
  margin-bottom: 48px;
}
.el-courselist__group-ttl {
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #fff;
  background: var(--el-dark);
  padding: 10px 20px;
  margin-bottom: 16px;
  display: inline-block;
}
.el-course-item {
  border: 1px solid #eee;
  border-radius: 4px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.el-course-item:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.el-course-item__head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
}
.el-course-item__num {
  font-family: "Josefin Sans", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--el-orange);
  flex-shrink: 0;
  width: 32px;
}
.el-course-item__ttl {
  font-size: 0.92rem;
  font-weight: 700;
  flex: 1;
}
.el-course-item__sub {
  font-size: 0.78rem;
  color: #888;
  margin-top: 3px;
  font-weight: 400;
}
.el-course-item__arrow {
  font-size: 0.75rem;
  color: #aaa;
  transition: transform 0.3s;
}
.el-course-item.is-open .el-course-item__arrow {
  transform: rotate(180deg);
}
.el-course-item__body {
  display: none;
  padding: 0 24px 20px 72px;
  border-top: 1px solid #f0f0f0;
}
.el-course-item.is-open .el-course-item__body {
  display: block;
}
.el-chapter-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.el-chapter-list li {
  font-size: 0.82rem;
  color: #555;
  padding: 6px 0;
  border-bottom: 1px dotted #eee;
  display: flex;
  gap: 10px;
}
.el-chapter-list li::before {
  content: attr(data-ch);
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.7rem;
  color: var(--el-orange);
  flex-shrink: 0;
  min-width: 48px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
.el-about__grid {
  grid-template-columns: 1fr;
  gap: 40px;
}
.el-instructor__grid {
  grid-template-columns: 1fr;
  gap: 40px;
}
  .el-course-card { grid-template-columns: 1fr; }
  .el-course-card--rev { direction: ltr; }
  .el-course-card__img { min-height: 240px; }
  .el-themes__grid { grid-template-columns: 1fr 1fr; }
.el-course-intro__grid {
  grid-template-columns: 1fr;
  gap: 40px;
}
}
@media (max-width: 767px) {
  .el-hero { min-height: 70vh; }
  .el-hero__inner { padding: 60px 0 80px; }
  .el-about { padding: 64px 0; }
  .el-instructor { padding: 64px 0; }
  .el-instructor__img-accent { display: none; }
  .el-courses { padding: 64px 0; }
  .el-courses__ttl { margin-bottom: 40px; }
  .el-course-card__body { padding: 32px 24px; }
  .el-trouble { padding: 64px 0; }
.el-trouble__grid {
  grid-template-columns: 1fr;
  gap: 16px;
}
  .el-company { padding: 64px 0; }
  .el-company__table th { width: 100px; }
  .el-themes__grid { grid-template-columns: 1fr; }
.el-courselist__group-ttl {
  width: 100%;
  box-sizing: border-box;
}
  .el-course-item__body { padding-left: 24px; }
}
/* ============================================================
   E-LEARNING 追加スタイル（2025追記）
   ============================================================ */

/* page-hero 内のコースへスクロールボタン */
.page-hero__scroll-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  background: #ea9801;
  color: #fff;
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 14px 32px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}
.page-hero__scroll-btn:hover {
  background: #c97d00;
}
.page-hero__scroll-btn i {
  font-size: 0.8rem;
}
/* CTA セクション：コース一覧に戻るボタン */
.lbr-cta__back-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 20px 40px;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.lbr-cta__back-btn:hover {
  background: #fff;
  border-color: #fff;
  color: #111;
}
.lbr-cta__back-btn i {
  font-size: 0.8rem;
}
@media (max-width: 767px) {
.page-hero__scroll-btn {
  padding: 12px 24px;
  font-size: 0.75rem;
}
.lbr-cta__back-btn {
  width: 100%;
  justify-content: center;
  padding: 14px 0;
}
}