/* ===== Seminar Page Styles (styles2.css) ===== */

/* ===== Header Dropdown ===== */
.header-dropdown-wrap {
  position: relative;
}

.header-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: linear-gradient(135deg, rgba(251,233,237,0.5), rgba(234,244,255,0.5));
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06), 0 1px 0 rgba(255,255,255,0.5) inset;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  z-index: 100;
}

.header-dropdown.open {
  max-height: 200px;
  opacity: 1;
}

.header-dropdown-item {
  padding: 12px 24px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s;
}

.header-dropdown-item:hover {
  background: rgba(117,177,255,0.12);
}

.header-nav-item .dropdown-icon {
  transition: transform 0.3s;
}

.header-nav-item.dropdown-open .dropdown-icon {
  transform: rotate(180deg);
}

/* ===== FV (Hero) ===== */
.s2-fv {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: 581px;
  overflow: hidden;
}

.s2-fv-image {
  position: absolute;
  right: 184px;
  top: 175px;
  width: 643px;
  height: 337px;
  border-radius: 12px;
  overflow: hidden;
  opacity: 0;
  transform: translateX(100px);
  animation: s2-slide-in-right 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

@keyframes s2-slide-in-right {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.s2-fv-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.s2-fv-content {
  position: absolute;
  left: 184px;
  top: 175px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.s2-fv-en {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 96px;
  line-height: 1;
  letter-spacing: -0.96px;
  text-transform: capitalize;
  background: var(--gradient-tear-vivid);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.s2-fv-title-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.s2-fv-title-row {
  display: flex;
  align-items: center;
}

.s2-section-icon {
  width: 48px;
  height: 66px;
  flex-shrink: 0;
}

.s2-fv-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.5;
  color: var(--text-primary);
}

.s2-fv-subtitle {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* ===== Main Layout (Content + Sidebar) ===== */
.s2-layout {
  display: flex;
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 0 0;
}

.s2-main {
  width: 834px;
  margin-left: 184px;
  display: flex;
  flex-direction: column;
  gap: 66px;
}

.s2-sidebar {
  width: 380px;
  flex-shrink: 0;
  margin-left: 24px;
  position: relative;
}

.s2-sidebar::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0.5px;
  height: var(--sidebar-line-height, 0);
  background: var(--text-light);
}

.s2-index-sticky {
  position: fixed;
  top: 120px;
  width: 380px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: opacity 0.3s, visibility 0.3s;
  will-change: transform;
  transform: translateZ(0);
}

.s2-index-sticky.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.s2-index-header {
  display: block;
}
.s2-index-toggle {
  display: none;
}
.s2-index-title {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 32px;
  line-height: 1.4;
  letter-spacing: 0.64px;
  color: var(--text-primary);
}

.s2-index-divider {
  width: 100%;
  height: 0.5px;
  background: var(--text-primary);
}

.s2-index-nav {
  display: flex;
  flex-direction: column;
}

.s2-index-item {
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 12px 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s;
}

.s2-index-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-light);
  flex-shrink: 0;
  transition: background 0.3s, box-shadow 0.3s;
  position: relative;
}

.s2-index-dot::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 1px;
  background: var(--text-light);
  transition: background 0.3s;
}

.s2-index-item:hover {
  color: var(--tear-vivid-blue);
}

.s2-index-item.active .s2-index-dot {
  background: var(--brand-vivid-pink);
  box-shadow: 0 0 8px rgba(255,117,118,0.6), 0 0 16px rgba(255,117,118,0.3);
}

.s2-index-item.active .s2-index-dot::after {
  background: var(--brand-vivid-pink);
}

.s2-index-item.active {
  font-weight: 500;
}

/* ===== Section Common ===== */
.s2-section {
  scroll-margin-top: 120px;
}

.s2-section-header {
  display: flex;
  flex-direction: column;
  padding-bottom: 24px;
}

.s2-section-header-center {
  align-items: center;
  padding-bottom: 40px;
}

.s2-en-label {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 96px;
  line-height: 1;
  letter-spacing: -0.96px;
  text-transform: capitalize;
  opacity: 0.08;
  background: var(--gradient-tear-vivid);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: -40px;
}

.s2-en-label-dark {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 96px;
  line-height: 1;
  letter-spacing: -0.96px;
  text-transform: capitalize;
  opacity: 0.08;
  color: var(--text-primary);
  margin-bottom: -40px;
}

.s2-jp-title-row {
  display: flex;
  align-items: center;
}

.s2-jp-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 28px;
  line-height: 1.5;
  color: #0a0a0a;
}

/* ===== Purpose Section ===== */
.s2-purpose-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.s2-purpose-card {
  background: var(--neutral-soft-blue);
  border-radius: 12px;
  box-shadow: 0px 0px 32px 0px rgba(74,111,165,0.12);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.s2-purpose-card-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 1.5;
  color: var(--corporate-navy);
}

.s2-purpose-card-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--corporate-navy);
}

.s2-purpose-callout {
  background: var(--tear-vivid-blue);
  padding: 6px 8px;
}

.s2-purpose-callout p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-white);
}

/* ===== Features Section ===== */
.s2-features-section {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0px 0px 12px 0px #F9D6DE;
  padding: 0 24px 72px;
}

.s2-features-content {
  display: flex;
  gap: 24px;
  align-items: center;
}

.s2-features-images {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.s2-features-img-top,
.s2-features-img-bottom {
  width: 100%;
  height: 166px;
  border-radius: 12px;
  overflow: hidden;
}

.s2-features-img-top img,
.s2-features-img-bottom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.s2-features-img-row {
  display: flex;
  gap: 12px;
  width: 100%;
}

.s2-features-img-row img {
  flex: 1;
  min-width: 0;
  height: 165px;
  border-radius: 12px;
  object-fit: cover;
}

.s2-features-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.s2-feature-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.s2-feature-header {
  display: flex;
  gap: 12px;
  align-items: center;
}

.s2-feature-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--neutral-soft-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 20px;
  line-height: 1.5;
  color: var(--corporate-navy);
  letter-spacing: 0.8px;
  flex-shrink: 0;
}

.s2-feature-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
  color: var(--corporate-navy);
}

.s2-feature-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--corporate-navy);
}

/* ===== Program Section ===== */
.s2-program-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.s2-program-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  border-left: 1px solid var(--tear-vivid-blue);
  padding: 0 24px;
}

.s2-program-left {
  width: 390px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.s2-program-time {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--tear-vivid-blue);
  color: #fff;
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  padding: 0 44px;
  align-self: flex-start;
}

.s2-program-part {
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-primary);
}

.s2-program-detail {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: disc;
  padding-left: 24px;
}

.s2-program-detail li {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  list-style: disc;
}

.s2-program-indent {
  padding-left: 0;
}

.s2-program-divider {
  width: 100%;
  height: 0.5px;
  background: var(--text-light);
}

/* ===== Future Section ===== */
.s2-future-cards {
  display: flex;
  gap: 24px;
}

.s2-future-card {
  width: 262px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.s2-future-card-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.s2-future-line {
  width: 1px;
  height: 48px;
  background: var(--gradient-tear-vivid);
}

.s2-future-num {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 48px;
  line-height: 1.1;
  background: var(--gradient-tear-vivid);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.s2-future-img {
  width: 238px;
  height: 170px;
  overflow: visible;
}

.s2-future-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.s2-future-label {
  background: var(--gradient-tear-vivid);
  padding: 0 12px;
}

.s2-future-label span {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: #fff;
}

.s2-future-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: center;
}

/* ===== SP Value Cards (hidden on PC) ===== */
.s2-value-sp-cards {
  display: none;
}

/* ===== Value Section ===== */
.s2-value-scroll-area {
  margin-top: 80px;
  scroll-margin-top: 120px;
}

.s2-value-section {
  background: linear-gradient(180deg, #FBE9ED, #EAF4FF);
  padding: 0 0 32px;
  width: var(--value-section-width, 1042px);
  border-radius: 0 12px 12px 0;
}

.s2-value-top {
  display: flex;
  align-items: center;
  padding: 0 24px 0 184px;
}

.s2-value-header {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-bottom: 40px;
}

.s2-value-tabs {
  width: 497px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.s2-value-tab {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4px 24px;
  border: 0.5px solid transparent;
  border-image: var(--gradient-tear-vivid) 1;
  cursor: pointer;
  transition: all 0.3s;
  color: var(--text-primary);
}

.s2-value-tab.active {
  background: var(--gradient-tear-vivid);
  border-color: transparent;
  color: #fff;
}

.s2-value-tab-num {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.4px;
}

.s2-value-tab-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 22px;
  line-height: 1.4;
}

.s2-value-bottom {
  display: flex;
  align-items: stretch;
  padding-left: 0;
  padding-right: 24px;
  overflow: hidden;
}

.s2-value-image {
  flex: 1;
  min-height: 260px;
  overflow: hidden;
}

.s2-value-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease;
}
.s2-value-image img.is-fading {
  opacity: 0;
}

.s2-value-detail {
  width: 497px;
  flex-shrink: 0;
  padding: 32px 0 32px 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.s2-value-detail-header {
  display: flex;
  gap: 20px;
  align-items: center;
}

.s2-value-detail-num {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.4px;
  color: var(--text-primary);
}

.s2-value-detail-badge {
  background: var(--gradient-tear-vivid);
  padding: 0 10px;
}

.s2-value-detail-badge span {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: #fff;
}

.s2-value-detail-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.5;
  color: var(--text-primary);
}

.s2-value-detail-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
}

.s2-value-detail-title,
.s2-value-detail-text,
.s2-value-detail-header {
  transition: opacity 0.4s, transform 0.4s;
}

.s2-value-detail.is-transitioning .s2-value-detail-title,
.s2-value-detail.is-transitioning .s2-value-detail-text,
.s2-value-detail.is-transitioning .s2-value-detail-header {
  opacity: 0;
  transform: translateY(10px);
}

/* ===== FAQ Section ===== */
.s2-faq-section {
  padding: 80px 184px;
}

.s2-faq-wrapper {
  max-width: 834px;
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.s2-faq-header-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.s2-faq-en {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.48px;
  color: var(--text-primary);
  margin-bottom: 32px;
}

.s2-faq-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.s2-faq-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.s2-faq-question {
  display: flex;
  gap: 20px;
  align-items: center;
}

.s2-faq-q {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-tear-vivid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.4px;
  color: #fff;
  flex-shrink: 0;
  padding-bottom: 2px;
}

.s2-faq-question p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-primary);
}

.s2-faq-answer {
  padding: 25px 30px;
  background: rgba(255,255,255,0.04);
}

.s2-faq-answer p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ===== Contact Section ===== */
.s2-contact-section {
  padding: 0 184px 80px;
}

.s2-contact-card {
  background: rgba(255,255,255,0.44);
  border-radius: 12px;
  box-shadow: 0px 0px 32px 0px rgba(0,0,0,0.08);
  backdrop-filter: blur(4px);
  display: flex;
  gap: 24px;
  align-items: center;
  padding: 66px 44px;
}

.s2-contact-left {
  width: 599px;
  display: flex;
  flex-direction: column;
  gap: 66px;
}

.s2-contact-text {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.s2-contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.s2-contact-en {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.48px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.s2-contact-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.5;
  color: var(--text-primary);
}

.s2-contact-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}

.s2-contact-buttons {
  display: flex;
  gap: 24px;
}

.s2-contact-btn {
  flex: 1;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  border: 0.5px solid #fff;
  box-shadow: 0px 0px 12px 0px #F9D6DE;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
}

.s2-contact-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0px 6px 24px 0px rgba(249, 214, 222, 0.6);
}

.s2-contact-btn span {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}

.s2-contact-btn img {
  width: 24px;
  height: 24px;
  transform: rotate(180deg) scaleY(-1);
}

.s2-contact-image {
  flex: 1;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
}

.s2-contact-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================= */
/* ===== SP Responsive (max-width: 767px) ===== */
/* ============================================= */
@media (max-width: 767px) {

  /* ===== Global ===== */
  body {
    overflow-x: hidden;
  }

  /* ===== FV ===== */
  .s2-fv {
    height: auto;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .s2-fv-content {
    position: relative;
    left: auto;
    top: auto;
    padding: 72px 12px 24px;
    gap: 24px;
    width: 100%;
    box-sizing: border-box;
    order: 1;
  }
  .s2-fv-en {
    font-size: 48px;
    line-height: 1.1;
    letter-spacing: 0;
  }
  .s2-fv-title-group {
    gap: 0;
  }
  .s2-section-icon {
    width: 48px;
    height: 66px;
  }
  .s2-fv-title {
    font-size: 20px;
  }
  .s2-fv-subtitle {
    font-size: 16px;
    white-space: normal;
  }
  .s2-fv-image {
    position: relative;
    right: auto;
    top: auto;
    width: calc(100% - 24px);
    height: 184px;
    margin: 0 12px;
    border-radius: 16px;
    opacity: 1;
    transform: none;
    animation: none;
    order: 2;
  }

  /* ===== Layout ===== */
  .s2-layout {
    flex-direction: column;
    padding: 24px 12px 0;
    gap: 24px;
  }
  .s2-main {
    width: 100%;
    margin-left: 0;
    gap: 44px;
    min-width: 0;
  }

  /* ===== Sidebar / INDEX (accordion) ===== */
  .s2-sidebar {
    width: 100%;
    margin-left: 0;
    position: relative;
    order: -1;
  }
  .s2-sidebar::before {
    display: none;
  }
  .s2-index-sticky {
    position: relative !important;
    top: auto !important;
    width: 100%;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-left: 0.5px solid #999;
    padding: 0 0 0 12px;
    border-radius: 0;
    box-shadow: none;
    gap: 12px;
  }
  .s2-index-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
  }
  .s2-index-title {
    font-size: 24px;
    letter-spacing: 0.48px;
  }
  .s2-index-toggle {
    display: block;
    width: 34px;
    height: 34px;
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
  }
  .s2-index-toggle::before,
  .s2-index-toggle::after {
    content: '';
    position: absolute;
    background: linear-gradient(90deg, #75B1FF, #FF7576);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.3s;
  }
  .s2-index-toggle::before {
    width: 24px;
    height: 2px;
  }
  .s2-index-toggle::after {
    width: 2px;
    height: 24px;
  }
  .s2-index-sticky.is-index-open .s2-index-toggle::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }
  .s2-index-divider {
    height: 0.5px;
    background: #333;
    margin: 0;
  }
  .s2-index-nav {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  }
  .s2-index-sticky.is-index-open .s2-index-nav {
    max-height: 500px;
    opacity: 1;
  }
  .s2-index-item {
    padding: 8px 0;
    font-size: 15px;
    gap: 36px;
  }

  /* ===== Section Headers ===== */
  .s2-section-header {
    padding-bottom: 24px;
  }
  .s2-en-label {
    font-size: 48px;
    line-height: 1.1;
    opacity: 0.08;
    margin-bottom: -40px;
    padding-bottom: 10px;
  }
  .s2-jp-title {
    font-size: 20px;
  }

  /* ===== Purpose ===== */
  .s2-purpose-cards {
    flex-direction: column;
    gap: 12px;
  }
  .s2-purpose-card {
    background: #F6FAFF;
    padding: 8px;
    border-radius: 12px;
    gap: 12px;
  }
  .s2-purpose-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #1E2A44;
  }
  .s2-purpose-card-text {
    font-size: 15px;
    line-height: 1.8;
    color: #1E2A44;
  }
  .s2-purpose-callout {
    margin-top: 0;
  }
  .s2-purpose-callout p {
    font-size: 15px;
    line-height: 1.8;
    white-space: normal;
  }

  /* ===== Features ===== */
  .s2-features-section {
    padding: 0 12px 24px;
    border-radius: 12px;
    box-shadow: 0px 0px 12px 0px #F9D6DE;
  }
  .s2-features-content {
    flex-direction: column;
    gap: 24px;
  }
  .s2-features-images {
    width: 100%;
    order: 2;
  }
  .s2-features-img-top {
    height: 166px;
    border-radius: 12px;
  }
  .s2-features-img-bottom {
    display: none;
  }
  .s2-features-img-row {
    gap: 8px;
  }
  .s2-features-img-row img {
    height: 165px;
    border-radius: 12px;
  }
  .s2-features-list {
    order: 1;
    gap: 24px;
  }
  .s2-feature-item {
    gap: 12px;
    border-radius: 12px;
    box-shadow: 0px 0px 32px 0px rgba(74,111,165,0.12);
    padding: 16px 12px;
  }
  .s2-feature-header {
    gap: 12px;
  }
  .s2-feature-num {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
  .s2-feature-title {
    font-size: 18px;
    font-weight: 700;
    white-space: normal;
    flex: 1;
    min-width: 0;
    color: #1E2A44;
  }
  .s2-feature-desc {
    font-size: 12px;
    line-height: 1.6;
    color: #1E2A44;
  }

  /* ===== Program ===== */
  .s2-program-list {
    gap: 0;
  }
  .s2-program-item {
    flex-direction: column;
    gap: 12px;
    padding: 20px 12px 20px 16px;
  }
  .s2-program-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
  }
  .s2-program-time {
    width: auto;
    font-size: 12px;
    padding: 2px 12px;
  }
  .s2-program-part {
    font-size: 15px;
  }
  .s2-program-detail {
    padding-left: 20px;
  }
  .s2-program-detail li {
    font-size: 14px;
    line-height: 1.8;
  }
  .s2-program-indent {
    padding-left: 0;
  }
  .s2-program-divider {
    margin: 0;
  }

  /* ===== Future ===== */
  .s2-future-cards {
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 0 12px;
  }
  .s2-future-card {
    max-width: 351px;
    width: 100%;
    align-items: center;
    text-align: center;
  }
  .s2-future-card-top {
    flex-direction: row;
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
  }
  .s2-future-line {
    width: 32px;
    height: 1px;
    margin-top: 20px;
    order: 1;
    position: relative;
    left: -4px;
    background: var(--gradient-tear-vivid);
  }
  .s2-future-num {
    font-size: 48px;
    order: 2;
    margin-right: -40px;
    margin-top: -8px;
    position: relative;
    z-index: 2;
  }
  .s2-future-img {
    width: 238px;
    height: 170px;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    order: 3;
  }
  .s2-future-card-top::after {
    content: '';
    flex-basis: 100%;
    height: 0;
    order: 3;
  }
  .s2-future-label {
    display: none;
    order: 4;
  }
  .s2-future-card-top::before {
    content: attr(data-label-sp);
    flex-basis: 100%;
    order: 4;
    text-align: center;
    margin-top: 12px;
    background: var(--gradient-tear-vivid);
    padding: 0 12px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.5;
    color: #fff;
    display: block;
  }
  .s2-future-label span {
    font-size: 20px;
  }
  .s2-future-desc {
    font-size: 13px;
    text-align: center;
    line-height: 1.8;
  }
  .s2-future-desc br {
    display: none;
  }

  /* ===== Value ===== */
  .s2-value-pc {
    display: none !important;
  }
  .s2-value-sp-cards {
    display: flex !important;
    flex-direction: column;
    width: 100%;
  }
  .s2-value-scroll-area {
    height: auto !important;
    overflow: visible;
  }
  .s2-value-section {
    position: relative !important;
    top: auto !important;
    width: 100%;
    background: none;
    border-radius: 0;
    padding: 0;
  }
  .s2-value-top {
    padding: 0;
    gap: 0;
    flex-direction: column;
  }
  .s2-value-header {
    padding: 0 0;
    display: flex;
    flex-direction: column;
    padding-bottom: 16px;
  }
  .s2-value-header .s2-en-label,
  .s2-value-header .s2-en-label-dark {
    font-size: 48px;
    line-height: 1.1;
    opacity: 0.08;
    margin-bottom: 0;
    padding-bottom: 0;
  }
  .s2-value-header .s2-jp-title-row {
    margin-top: -40px;
    margin-left: -12px;
  }
  .s2-value-header .s2-jp-title {
    font-size: 20px;
  }
  .s2-value-header .s2-jp-title br {
    display: none;
  }
  .s2-value-tabs {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  .s2-value-tab {
    width: 100%;
    padding: 8px 24px;
    background: linear-gradient(90deg, #75B1FF, #FF7576);
    border: 0.5px solid #fff;
    border-bottom: none;
    cursor: default;
    opacity: 1 !important;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    box-sizing: border-box;
  }
  .s2-value-tab:last-child {
    border-bottom: 0.5px solid #fff;
  }
  .s2-value-tab.active {
    background: linear-gradient(90deg, #75B1FF, #FF7576);
    border-color: #fff;
    color: #fff;
  }
  .s2-value-tab:active {
    opacity: 0.7;
    transform: scale(0.98);
  }
  .s2-value-tab-num {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    color: #fff;
    letter-spacing: 0.32px;
    font-weight: 600;
    line-height: 1.4;
  }
  .s2-value-tab-label {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 20px;
    color: #fff;
    font-weight: 500;
    line-height: 1.5;
  }
  /* SP value cards */
  .s2-value-sp-card {
    width: 100%;
    scroll-margin-top: 60px;
  }
  .s2-value-sp-img {
    width: 100%;
    height: 198px;
    overflow: hidden;
  }
  .s2-value-sp-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .s2-value-sp-body {
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .s2-value-sp-header {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .s2-value-sp-num {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.4;
    color: #333;
    letter-spacing: 0.4px;
  }
  .s2-value-sp-badge {
    background: linear-gradient(90deg, #75B1FF, #FF7576);
    padding: 0 10px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.5;
    color: #fff;
  }
  .s2-value-sp-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.5;
    color: #333;
    margin: 0;
  }
  .s2-value-sp-text {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 12px;
    line-height: 1.6;
    color: #333;
    margin: 0;
  }

  /* ===== FAQ ===== */
  .s2-faq-section {
    padding: 0;
  }
  .s2-faq-wrapper {
    padding: 44px 12px;
  }
  .s2-faq-header-row {
    gap: 0;
    align-items: flex-start;
    flex-direction: row;
  }
  .s2-faq-header-row > div {
    padding-top: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .s2-faq-en {
    font-size: 32px;
    letter-spacing: -0.32px;
    line-height: 1;
    margin: 0;
  }
  .s2-faq-wrapper .s2-jp-title {
    margin: 10px 0 0;
    padding: 0;
  }
  .s2-faq-list {
    gap: 20px;
  }
  .s2-faq-item {
    gap: 8px;
  }
  .s2-faq-q-row {
    gap: 8px;
    align-items: flex-start;
  }
  .s2-faq-q-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
    flex-shrink: 0;
  }
  .s2-faq-q-text {
    font-size: 15px;
  }
  .s2-faq-a-text {
    font-size: 14px;
    padding-left: 48px;
  }

  /* ===== Contact ===== */
  .s2-contact-section {
    padding: 0;
    width: 90%;
    margin: 40px auto;
  }
  .s2-contact-card {
    flex-direction: column;
    padding: 0 0 44px;
    gap: 0;
    border-radius: 12px;
    overflow: hidden;
  }
  .s2-contact-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
    border-radius: 0;
    order: -1;
    flex-shrink: 0;
  }
  .s2-contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .s2-contact-left {
    width: 100%;
    padding: 28px 12px 0;
    gap: 28px;
  }
  .s2-contact-text {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .s2-contact-text .s2-section-icon {
    display: none;
  }
  .s2-contact-info {
    gap: 16px;
  }
  .s2-contact-en {
    font-size: 32px;
    letter-spacing: -0.32px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
  }
  .s2-contact-en::before {
    content: '';
    width: 48px;
    min-width: 48px;
    height: 66px;
    background: url('../images/dot-section.svg') no-repeat center / contain;
    flex-shrink: 0;
  }
  .s2-contact-title {
    font-size: 20px;
    line-height: 1.5;
    white-space: normal;
  }
  .s2-contact-desc {
    font-size: 14px;
    line-height: 1.8;
  }
  .s2-contact-buttons {
    flex-direction: column;
    gap: 16px;
  }
  .s2-contact-btn {
    width: 100%;
  }

}