/* ===== Individual Solution Page Styles (styles4.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);
}

/* ===== Shared Section Styles ===== */
.s4-section-icon {
  width: 48px;
  height: 66px;
  flex-shrink: 0;
}
.s4-section-header {
  display: flex;
  flex-direction: column;
  padding-bottom: 24px;
}
.s4-jp-title-row {
  display: flex;
  align-items: center;
}
.s4-jp-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 28px;
  line-height: 1.5;
  color: #0a0a0a;
}
.s4-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;
  color: var(--brand-vivid-pink);
  margin-bottom: -40px;
}
.s4-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;
}

/* ===== FV (Hero) ===== */
.s4-fv {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: 581px;
  overflow: hidden;
}
.s4-fv-image {
  position: absolute;
  right: 184px;
  top: 175px;
  width: 643px;
  height: 337px;
  border-radius: 24px;
  overflow: hidden;
  opacity: 0;
  transform: translateX(100px);
  animation: s4-slide-in-right 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}
@keyframes s4-slide-in-right {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.s4-fv-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.s4-fv-content {
  position: absolute;
  left: 200px;
  top: 175px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.s4-fv-en {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 96px;
  line-height: 1;
  letter-spacing: -0.96px;
  text-transform: capitalize;
  color: var(--brand-vivid-pink);
}
.s4-fv-title-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.s4-fv-title-row {
  display: flex;
  align-items: center;
}
.s4-fv-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.5;
  color: var(--text-primary);
}
.s4-fv-subtitle {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* ===== Layout ===== */
.s4-layout {
  display: flex;
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 0 0;
  overflow: visible;
}
.s4-main {
  width: 834px;
  margin-left: 184px;
  display: flex;
  flex-direction: column;
  gap: 66px;
  overflow: visible;
}
.s4-section {
  scroll-margin-top: 120px;
}

/* ===== INDEX Sidebar ===== */
.s4-sidebar {
  width: 380px;
  flex-shrink: 0;
  margin-left: 24px;
  position: relative;
}
.s4-sidebar::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0.5px;
  height: var(--sidebar-line-height, 100%);
  background: var(--text-light);
}
.s4-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);
}
.s4-index-sticky.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.s4-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);
}
.s4-index-divider {
  width: 100%;
  height: 0.5px;
  background: var(--text-primary);
}
.s4-index-nav {
  display: flex;
  flex-direction: column;
}
.s4-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;
}
.s4-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;
}
.s4-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;
}
.s4-index-item:hover {
  color: var(--tear-vivid-blue);
}
.s4-index-item.active .s4-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);
}
.s4-index-item.active .s4-index-dot::after {
  background: var(--brand-vivid-pink);
}
.s4-index-item.active {
  font-weight: 500;
}

/* ===== Recommend Section ===== */
.s4-recommend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.s4-recommend-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;
}
.s4-recommend-card h3 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
  color: var(--corporate-navy);
}
.s4-recommend-card p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--corporate-navy);
}

/* ===== Features Section ===== */
.s4-features-section {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0px 0px 12px 0px #F9D6DE;
  padding: 0 24px 72px;
}
.s4-features-content {
  display: flex;
  gap: 24px;
  align-items: center;
}
.s4-features-images {
  width: 357px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.s4-features-img-top,
.s4-features-img-bottom {
  width: 100%;
  height: 166px;
  border-radius: 12px;
  overflow: hidden;
}
.s4-features-img-top img,
.s4-features-img-bottom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.s4-features-img-row {
  display: flex;
  gap: 12px;
  width: 100%;
}
.s4-features-img-row img {
  flex: 1;
  min-width: 0;
  height: 165px;
  border-radius: 12px;
  object-fit: cover;
}
.s4-features-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.s4-feature-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.s4-feature-header {
  display: flex;
  gap: 12px;
  align-items: center;
}
.s4-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;
}
.s4-feature-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
  color: var(--corporate-navy);
}
.s4-feature-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--corporate-navy);
}

/* ===== Flow Section ===== */
.s4-flow-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  padding-left: 24px;
}
.s4-flow-arrow-bg {
  position: absolute;
  left: -24px;
  top: -24px;
  width: 124px;
  height: calc(100% + 48px);
  z-index: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.s4-flow-arrow-bg.anim-active {
  opacity: 1;
}
.s4-flow-step {
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.s4-flow-step-header {
  background: var(--brand-vivid-pink);
  padding: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  border-radius: 4px 4px 0 0;
}
.s4-flow-step-badge {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.4px;
  color: #fff;
}
.s4-flow-step-num {
  font-size: 30px;
  letter-spacing: 0.6px;
}
.s4-flow-step-header h3 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
  color: #fff;
}
.s4-flow-step-body {
  background: #fff;
  padding: 20px 12px;
}
.s4-flow-step-body p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ===== FAQ Section ===== */
.s4-faq-section {
  padding: 0;
}
.s4-faq-wrapper {
  max-width: 834px;
  display: flex;
  flex-direction: column;
  gap: 44px;
}
.s4-faq-header-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.s4-faq-en {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.48px;
  color: var(--brand-vivid-pink);
  margin-bottom: 32px;
}
.s4-faq-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.s4-faq-item {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.s4-faq-question {
  display: flex;
  gap: 20px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 0.5px solid var(--border-color);
}
.s4-faq-q {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand-vivid-pink);
  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;
}
.s4-faq-question p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-primary);
}
.s4-faq-answer {
  padding: 25px 30px;
  background: rgba(255,255,255,0.04);
}
.s4-faq-answer p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ===== Value Section ===== */
.s4-value-scroll-area {
  margin-top: 80px;
  scroll-margin-top: 120px;
}
.s4-value-section {
  background: linear-gradient(180deg, #FBE9ED, #EAF4FF);
  padding: 0 0 32px;
  width: var(--value-section-width, 1042px);
  border-radius: 0 12px 12px 0;
}
.s4-value-top {
  display: flex;
  align-items: center;
  padding: 0 24px 0 184px;
}
.s4-value-header {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-bottom: 40px;
}
.s4-value-tabs {
  width: 497px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.s4-value-tab {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4px 24px;
  border: 0.5px solid var(--brand-vivid-pink);
  cursor: pointer;
  transition: all 0.3s;
  color: var(--text-primary);
}
.s4-value-tab.active {
  background: var(--brand-vivid-pink);
  border-color: var(--brand-vivid-pink);
  color: #fff;
}
.s4-value-tab-num {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.4px;
}
.s4-value-tab-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 22px;
  line-height: 1.4;
}
.s4-value-bottom {
  display: flex;
  align-items: stretch;
  padding-left: 0;
  padding-right: 24px;
  overflow: hidden;
}
.s4-value-image {
  flex: 1;
  min-height: 260px;
  overflow: hidden;
}
.s4-value-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease;
}
.s4-value-image img.is-fading {
  opacity: 0;
}
.s4-value-detail {
  width: 497px;
  flex-shrink: 0;
  padding: 32px 0 32px 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.s4-value-detail-header {
  display: flex;
  gap: 20px;
  align-items: center;
}
.s4-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);
}
.s4-value-detail-badge {
  background: var(--brand-vivid-pink);
  padding: 0 10px;
}
.s4-value-detail-badge span {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: #fff;
}
.s4-value-detail-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.5;
  color: var(--text-primary);
}
.s4-value-detail-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
}
.s4-value-detail-title,
.s4-value-detail-text,
.s4-value-detail-header {
  transition: opacity 0.4s, transform 0.4s;
}
.s4-value-detail.is-transitioning .s4-value-detail-title,
.s4-value-detail.is-transitioning .s4-value-detail-text,
.s4-value-detail.is-transitioning .s4-value-detail-header {
  opacity: 0;
  transform: translateY(10px);
}

/* ===== Contact Section ===== */
.s4-contact-section {
  padding: 0 184px 80px;
  margin-top: 80px;
}
.s4-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;
}
.s4-contact-left {
  width: 599px;
  display: flex;
  flex-direction: column;
  gap: 66px;
}
.s4-contact-text {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.s4-contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.s4-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;
}
.s4-contact-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.5;
  color: var(--text-primary);
}
.s4-contact-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}
.s4-contact-buttons {
  display: flex;
  gap: 24px;
}
.s4-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;
}
.s4-contact-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0px 6px 24px 0px rgba(249, 214, 222, 0.6);
}
.s4-contact-btn span {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}
.s4-contact-btn img {
  width: 24px;
  height: 24px;
  transform: rotate(180deg) scaleY(-1);
}
.s4-contact-image {
  flex: 1;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
}
.s4-contact-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* PC: SP-only elements hidden */
.s4-index-header { display: block; }
.s4-index-toggle { display: none; }
.s4-value-sp-cards { display: none; }

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

  body { overflow-x: hidden; }

  /* ===== FV ===== */
  .s4-fv {
    height: auto;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .s4-fv-content {
    position: relative;
    left: auto; top: auto;
    padding: 72px 12px 24px;
    gap: 24px;
    width: 100%; box-sizing: border-box;
    order: 1;
  }
  .s4-fv-en { font-size: 48px; line-height: 1.1; letter-spacing: 0; }
  .s4-fv-title-group { gap: 0; }
  .s4-fv-title { font-size: 20px; }
  .s4-fv-subtitle { font-size: 15px; white-space: normal; }
  .s4-fv-subtitle br { display: none; }
  .s4-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 ===== */
  .s4-layout {
    flex-direction: column;
    padding: 24px 12px 0;
    gap: 24px;
    max-width: 100%; overflow: hidden;
  }
  .s4-main {
    width: 100% !important; max-width: 100%;
    margin-left: 0 !important;
    gap: 44px; min-width: 0;
  }

  /* ===== Sidebar / INDEX (accordion) ===== */
  .s4-sidebar {
    width: 100% !important; margin-left: 0 !important;
    position: relative; order: -1;
  }
  .s4-sidebar::before { display: none; }
  .s4-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;
  }
  .s4-index-header {
    display: flex; align-items: center; justify-content: space-between; cursor: pointer;
  }
  .s4-index-title { font-size: 24px; letter-spacing: 0.48px; }
  .s4-index-toggle {
    display: block; width: 34px; height: 34px;
    position: relative; flex-shrink: 0; overflow: hidden;
  }
  .s4-index-toggle::before, .s4-index-toggle::after {
    content: ''; position: absolute;
    background: linear-gradient(90deg, #75B1FF, #FF7576);
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    transition: transform 0.3s;
  }
  .s4-index-toggle::before { width: 24px; height: 2px; }
  .s4-index-toggle::after { width: 2px; height: 24px; }
  .s4-index-sticky.is-index-open .s4-index-toggle::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }
  .s4-index-divider { height: 0.5px; background: #333; margin: 0; }
  .s4-index-nav {
    max-height: 0; overflow: hidden; transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease; opacity: 0;
  }
  .s4-index-sticky.is-index-open .s4-index-nav { max-height: 500px; opacity: 1; }
  .s4-index-item { padding: 8px 0; font-size: 15px; gap: 36px; }

  /* ===== Section Headers ===== */
  .s4-section-header { padding-bottom: 24px; }
  .s4-en-label {
    font-size: 48px; line-height: 1.1; opacity: 0.08;
    margin-bottom: -40px; padding-bottom: 10px;
  }
  .s4-jp-title { font-size: 20px; }
  .s4-section { scroll-margin-top: 60px; }
  .s4-section-icon { width: 48px; height: 66px; }

  /* ===== Recommend ===== */
  .s4-recommend-grid {
    grid-template-columns: 1fr; gap: 12px;
  }

  /* ===== Features ===== */
  .s4-features-section { padding: 24px 12px 24px; border-radius: 12px; }
  .s4-features-content { flex-direction: column; gap: 24px; }
  .s4-features-images { width: 100%; order: 2; }
  .s4-features-img-bottom { display: none; }
  .s4-features-img-row { gap: 8px; }
  .s4-features-img-row img { height: 165px; border-radius: 12px; }
  .s4-features-list { order: 1; gap: 24px; }
  .s4-feature-item {
    gap: 12px; border-radius: 12px;
    box-shadow: 0px 0px 32px 0px rgba(74,111,165,0.12);
    padding: 16px 12px;
  }
  .s4-feature-num { width: 44px; height: 44px; font-size: 20px; }
  .s4-feature-title { font-size: 18px; white-space: normal; flex: 1; min-width: 0; }
  .s4-feature-desc { font-size: 12px; line-height: 1.6; }

  /* ===== Flow ===== */
  .s4-flow-steps { padding: 0 10px 0 16px; position: relative; }
  .s4-flow-arrow-bg {
    display: block; position: absolute;
    left: 0; top: -24px;
    width: 124px; height: calc(100% + 48px); z-index: 0;
  }
  .s4-flow-step { flex-direction: column; gap: 12px; }
  .s4-flow-step-header { width: 100%; }
  .s4-flow-step-body { width: 100%; padding: 16px 12px; }
  .s4-flow-step-body p { font-size: 14px; }

  /* ===== FAQ ===== */
  .s4-faq-section { padding: 44px 12px; }
  .s4-faq-wrapper { padding: 0; }
  .s4-faq-header-row { gap: 0; align-items: flex-start; }
  .s4-faq-header-row > div { padding-top: 0; display: flex; flex-direction: column; gap: 0; }
  .s4-faq-en { font-size: 32px; letter-spacing: -0.32px; line-height: 1; margin: 0; }
  .s4-faq-section .s4-jp-title { margin: 10px 0 0; padding: 0; }
  .s4-faq-list { gap: 20px; }
  .s4-faq-item { gap: 8px; }
  .s4-faq-question { gap: 8px; align-items: flex-start; }
  .s4-faq-q { width: 40px; height: 40px; font-size: 18px; }
  .s4-faq-answer { padding-left: 48px; }
  .s4-faq-answer p { font-size: 14px; }

  /* ===== Value ===== */
  .s4-value-pc { display: none !important; }
  .s4-value-sp-cards { display: flex !important; flex-direction: column; width: 100%; }
  .s4-value-scroll-area { height: auto !important; overflow: visible; margin-top: 24px; }
  .s4-value-section { position: relative !important; top: auto !important; width: 100%; background: none; border-radius: 0; padding: 0; }
  .s4-value-top { padding: 0; gap: 0; flex-direction: column; }
  .s4-value-header { padding: 0 0; display: flex; flex-direction: column; padding-bottom: 16px; }
  .s4-en-label-dark {
    font-size: 48px; line-height: 1.1; opacity: 0.08;
    margin-bottom: 0; padding-bottom: 0;
  }
  .s4-value-header .s4-jp-title-row { margin-top: -40px; margin-left: -12px; }
  .s4-value-header .s4-jp-title br { display: none; }
  .s4-value-tabs { flex-direction: column; gap: 0; width: 100%; }
  .s4-value-tab {
    width: 100%; padding: 8px 24px;
    background: var(--brand-vivid-pink, #FF7576);
    border: 0.5px solid rgba(255,255,255,0.3); border-bottom: none;
    cursor: default; opacity: 1 !important;
    display: flex; flex-direction: column; align-items: flex-start;
    box-sizing: border-box;
  }
  .s4-value-tab:last-child { border-bottom: 0.5px solid rgba(255,255,255,0.3); }
  .s4-value-tab.active { background: var(--brand-vivid-pink, #FF7576); border-color: rgba(255,255,255,0.3); color: #fff; }
  .s4-value-tab:active { opacity: 0.7; transform: scale(0.98); }
  .s4-value-tab-num { font-family: 'Inter', sans-serif; font-size: 16px; color: #fff; letter-spacing: 0.32px; font-weight: 600; line-height: 1.4; }
  .s4-value-tab-label { font-family: 'Noto Sans JP', sans-serif; font-size: 20px; color: #fff; font-weight: 500; line-height: 1.5; }
  .s4-value-sp-card { width: 100%; scroll-margin-top: 60px; }
  .s4-value-sp-img { width: 100%; height: 198px; overflow: hidden; }
  .s4-value-sp-img img { width: 100%; height: 100%; object-fit: cover; }
  .s4-value-sp-body { padding: 20px 12px; display: flex; flex-direction: column; gap: 16px; }
  .s4-value-sp-header { display: flex; align-items: center; gap: 12px; }
  .s4-value-sp-num { font-family: 'Inter', sans-serif; font-weight: 600; font-size: 20px; line-height: 1.4; color: #333; letter-spacing: 0.4px; }
  .s4-value-sp-badge { background: var(--brand-vivid-pink, #FF7576); padding: 0 10px; font-family: 'Noto Sans JP', sans-serif; font-weight: 500; font-size: 20px; line-height: 1.5; color: #fff; }
  .s4-value-sp-title { font-family: 'Noto Sans JP', sans-serif; font-weight: 500; font-size: 20px; line-height: 1.5; color: #333; margin: 0; }
  .s4-value-sp-text { font-family: 'Noto Sans JP', sans-serif; font-weight: 400; font-size: 12px; line-height: 1.6; color: #333; margin: 0; }

  /* ===== Contact ===== */
  .s4-contact-section { padding: 0; width: 90%; margin: 80px auto 40px; }
  .s4-contact-card { flex-direction: column; padding: 0 0 44px; gap: 0; border-radius: 12px; overflow: hidden; }
  .s4-contact-image { width: 100%; aspect-ratio: 1/1; height: auto; border-radius: 0; order: -1; flex-shrink: 0; }
  .s4-contact-image img { width: 100%; height: 100%; object-fit: cover; }
  .s4-contact-left { width: 100%; padding: 28px 12px 0; gap: 28px; }
  .s4-contact-text { flex-direction: column; align-items: flex-start; gap: 8px; }
  .s4-contact-text .s4-section-icon { display: none; }
  .s4-contact-info { gap: 16px; }
  .s4-contact-en {
    font-size: 32px; letter-spacing: -0.32px; margin-bottom: 0;
    display: flex; align-items: center;
  }
  .s4-contact-en::before {
    content: ''; width: 48px; min-width: 48px; height: 66px;
    background: url('../images/dot-section.svg') no-repeat center / contain;
    flex-shrink: 0;
  }
  .s4-contact-title { font-size: 20px; line-height: 1.5; white-space: normal; }
  .s4-contact-desc { font-size: 14px; line-height: 1.8; }
  .s4-contact-buttons { flex-direction: column; gap: 16px; }
  .s4-contact-btn { width: 100%; }

}