/* ===== Section Header ===== */
.section-header {
  margin-bottom: var(--space-xl);
}

.section-header__english {
  display: block;
  font-family: var(--font-english);
  font-size: var(--text-section-english);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.section-header__english--red {
  color: var(--color-accent-red);
}

.section-header__title {
  font-size: var(--text-section-title);
  font-weight: 700;
  color: var(--color-near-black);
  line-height: var(--leading-tight);
}

.section-header__desc {
  margin-top: var(--space-md);
  font-size: var(--text-body-large);
  line-height: var(--leading-loose);
  color: var(--color-dark-gray);
  max-width: 700px;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-header__desc {
  margin-left: auto;
  margin-right: auto;
}

.section-header--white .section-header__english {
  color: rgba(255, 255, 255, 0.8);
}

.section-header--white .section-header__title {
  color: var(--color-white);
}

.section-header--white .section-header__desc {
  color: rgba(255, 255, 255, 0.9);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 1rem 2.5rem;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  line-height: 1;
}

.btn::after {
  content: '\2192';
  transition: transform 0.25s ease;
}

.btn:hover::after {
  transform: translateX(4px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26, 127, 160, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ===== Cards ===== */
.card {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  padding: var(--space-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.card__title {
  font-size: var(--text-card-title);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-near-black);
}

.card__text {
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--color-dark-gray);
}

/* Background Image Card */
.card-bg {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-bg:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.card-bg__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.1) 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.card-bg__title {
  color: var(--color-white);
  font-size: var(--text-card-title);
  font-weight: 700;
}

.card-bg__title {
  padding-left: 0;
  border-left: none;
}

/* Split Card (image top + text bottom) */
.card-split {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-split:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.card-split__image {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
}

.card-split__body {
  padding: 1rem 1.25rem;
}

.card-split__title {
  font-size: var(--text-card-title);
  font-weight: 700;
  color: var(--color-near-black);
}

/* ===== Numbers Grid ===== */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  width: 70%;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .numbers-grid {
    grid-template-columns: 1fr;
    width: 100%;
    gap: var(--space-sm);
  }
}

.numbers-grid__card {
  background: var(--color-light-gray);
  border-radius: 12px;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.numbers-grid__label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-dark-gray);
  font-weight: 500;
  padding-bottom: var(--space-xs);
}

.numbers-grid__label::after {
  content: '';
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--color-primary);
  margin: 0.35rem auto 0;
}

.numbers-grid__value-wrap {
  margin-top: auto;
}

.numbers-grid__value-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
}

.numbers-grid__prefix {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-right: 0.1rem;
}

.numbers-grid__number {
  font-family: var(--font-english);
  font-size: clamp(2.2rem, 4.5vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  display: inline-block;
  max-width: 100%;
}

.numbers-grid__unit {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-left: 0.15rem;
}

/* Range display: "10,000~" small line + "12,000" large line */
.numbers-grid__range-sub {
  display: block;
  font-family: var(--font-english);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 0.15rem;
  font-variant-numeric: tabular-nums;
}

/* ===== Overlay Panel Position Variants ===== */
.overlay-panel--right {
  margin-left: auto;
}

.overlay-panel--left {
  margin-right: auto;
}

.overlay-panel--center {
  margin: 0 auto;
}

@media (min-width: 768px) {
  .overlay-panel {
    max-width: 60%;
  }
}

/* ===== Photo Background Section ===== */
.photo-bg-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: var(--space-3xl) 0;
  color: var(--color-white);
}

.photo-bg-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--overlay-dark);
  z-index: 1;
}

.photo-bg-section > * {
  position: relative;
  z-index: 2;
}

.photo-bg-section p {
  line-height: var(--leading-loose);
}

/* ===== Overlay Panel (Binden SERVICE style) ===== */
.overlay-panel {
  background: var(--overlay-white-strong);
  border-radius: 8px;
  padding: var(--space-2xl) var(--space-xl);
  color: var(--color-dark-gray);
  max-width: 700px;
}

@media (min-width: 768px) {
  .overlay-panel {
    padding: var(--space-3xl) var(--space-2xl);
  }
}

.overlay-panel h3 {
  color: var(--color-near-black);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
}

.overlay-panel h4 {
  color: var(--color-near-black);
}

.overlay-panel p,
.overlay-panel h3,
.overlay-panel h4 {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.overlay-panel p + p {
  margin-top: var(--space-sm);
}

.overlay-panel ol {
  margin: var(--space-md) 0;
  padding-left: 1.5em;
  list-style: decimal;
}

.overlay-panel ol li {
  line-height: var(--leading-loose);
  color: var(--color-near-black);
}

.overlay-panel ol li + li {
  margin-top: var(--space-xs);
}

.overlay-panel .section-header__english {
  color: var(--color-primary);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb__separator {
  font-size: 0.75rem;
}

/* ===== Company Profile Table ===== */
.table-profile {
  width: 100%;
  border-collapse: collapse;
}

.table-profile tr {
  border-bottom: 1px solid var(--color-light-gray);
}

.table-profile th,
.table-profile td {
  padding: var(--space-md) var(--space-sm);
  text-align: left;
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  vertical-align: top;
}

.table-profile th {
  font-weight: 700;
  color: var(--color-near-black);
  white-space: nowrap;
  width: 160px;
  background: var(--color-off-white);
}

.table-profile td {
  color: var(--color-dark-gray);
}

@media (max-width: 767px) {
  .table-profile,
  .table-profile tbody,
  .table-profile tr,
  .table-profile th,
  .table-profile td {
    display: block;
    width: 100%;
  }

  .table-profile tr {
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-sm);
  }

  .table-profile th {
    padding-bottom: 0.25rem;
    font-size: var(--text-small);
    color: var(--color-primary);
    background: transparent;
  }

  .table-profile td {
    padding-top: 0;
  }
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding: var(--space-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary-light);
  transform: translateX(-50%);
}

.timeline__item {
  position: relative;
  width: 50%;
  padding: 0 var(--space-xl) var(--space-2xl);
}

.timeline__item:nth-child(odd) {
  left: 0;
  text-align: right;
  padding-right: var(--space-xl);
  padding-left: 0;
}

.timeline__item:nth-child(even) {
  left: 50%;
  text-align: left;
  padding-left: var(--space-xl);
  padding-right: 0;
}

.timeline__dot {
  position: absolute;
  top: 0.5rem;
  width: 14px;
  height: 14px;
  background: var(--color-primary);
  border: 3px solid var(--color-primary-light);
  border-radius: 50%;
  z-index: 2;
}

.timeline__item:nth-child(odd) .timeline__dot {
  right: -7px;
}

.timeline__item:nth-child(even) .timeline__dot {
  left: -7px;
}

.timeline__date {
  font-family: var(--font-english);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.timeline__text {
  font-size: var(--text-body);
  color: var(--color-dark-gray);
  line-height: var(--leading-normal);
}

@media (max-width: 767px) {
  .timeline::before {
    left: 20px;
  }

  .timeline__item,
  .timeline__item:nth-child(odd),
  .timeline__item:nth-child(even) {
    width: 100%;
    left: 0;
    text-align: left;
    padding-left: 50px;
    padding-right: 0;
  }

  .timeline__item:nth-child(odd) .timeline__dot,
  .timeline__item:nth-child(even) .timeline__dot {
    left: 13px;
    right: auto;
  }
}

/* ===== Scroll Animation (ほわんほわん) ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  filter: blur(3px);
  transition:
    opacity 0.9s cubic-bezier(0.23, 1, 0.32, 1),
    transform 0.9s cubic-bezier(0.23, 1, 0.32, 1),
    filter 0.9s cubic-bezier(0.23, 1, 0.32, 1);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.animate-on-scroll.slide-left {
  transform: translateX(-25px) scale(0.97);
}

.animate-on-scroll.slide-left.is-visible {
  transform: translateX(0) scale(1);
}

.animate-on-scroll.slide-right {
  transform: translateX(25px) scale(0.97);
}

.animate-on-scroll.slide-right.is-visible {
  transform: translateX(0) scale(1);
}

/* Stagger animation delays for card groups */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.25s; }
.stagger-3 { transition-delay: 0.4s; }
.stagger-4 { transition-delay: 0.55s; }

/* ===== Lead Text ===== */
.lead-text {
  font-size: var(--text-body-large);
  line-height: var(--leading-loose);
  color: var(--color-dark-gray);
  max-width: 800px;
  margin: 0 auto;
}

/* ===== Lead Section ===== */
.lead-section {
  background-color: var(--color-white);
  padding: var(--space-4xl) 0;
}

.lead-section .lead-text {
  color: var(--color-dark-gray);
  font-size: clamp(0.975rem, 1.6vw, 1.0625rem);
  line-height: 2.4;
  letter-spacing: 0.05em;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

/* ===== Strength Number ===== */
.strength-number {
  font-family: var(--font-english);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

/* ===== CTA Section ===== */
.cta-section {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.cta-section p {
  margin-bottom: var(--space-lg);
  font-size: var(--text-body-large);
}