/* ==========================================================================
   Site Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background-color: transparent;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
}

.site-header__logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}

.site-header__logo-img {
  height: 40px;
  width: auto;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu li {
  list-style: none;
}

.nav-menu li a,
.nav-menu__link {
  display: block;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.is-scrolled .nav-menu li a,
.is-scrolled .nav-menu__link {
  color: var(--color-text);
}

.nav-menu li a:hover,
.nav-menu__link:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.is-scrolled .nav-menu li a:hover,
.is-scrolled .nav-menu__link:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

.nav-menu li.current-menu-item a,
.nav-menu__link--active {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.2);
}

.is-scrolled .nav-menu li.current-menu-item a,
.is-scrolled .nav-menu__link--active {
  color: var(--color-accent);
  background-color: rgba(85, 183, 230, 0.12);
}

/* Accent nav link (recruit) */
.nav-menu__link--accent {
  background-color: var(--color-accent) !important;
  color: var(--color-white) !important;
  border-radius: var(--radius-sm) !important;
}

.nav-menu__link--accent:hover {
  background-color: var(--color-primary) !important;
  color: var(--color-white) !important;
}

.is-scrolled .nav-menu__link--accent {
  background-color: var(--color-accent) !important;
  color: var(--color-white) !important;
}

/* Non-front-page: header always solid */
body:not(.is-front-page) .site-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

body:not(.is-front-page) .nav-menu li a,
body:not(.is-front-page) .nav-menu__link {
  color: var(--color-text);
}

body:not(.is-front-page) .nav-menu li a:hover,
body:not(.is-front-page) .nav-menu__link:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  z-index: 1001;
  gap: 6px;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.is-scrolled .hamburger__line,
body:not(.is-front-page) .hamburger__line {
  background-color: var(--color-text);
}

.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-overlay.is-active {
  display: block;
  opacity: 1;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */

.site-footer__top {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 60px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
}

.footer-logo__img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 20px;
}

.footer-address {
  font-size: 0.875rem;
  line-height: 1.8;
  opacity: 0.85;
}

.footer-address p + p {
  margin-top: 8px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-heading--mt {
  margin-top: 32px;
}

.footer-nav li {
  margin-bottom: 8px;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-white);
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-white);
  opacity: 1;
}

.footer-badges {
  display: flex;
  gap: 12px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-size: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  opacity: 0.85;
}

.site-footer__bottom {
  background-color: #2A8AB8;
  padding: 16px 0;
}

.copyright {
  font-size: 0.75rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   Back to Top
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-base);
  z-index: 900;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-accent);
}

/* ==========================================================================
   Hero Slider (Front Page)
   ========================================================================== */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  overflow: hidden;
}

.hero__slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

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

.hero__slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.15) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: left;
  color: var(--color-white);
  padding: 0 24px;
  max-width: var(--container-width);
  width: 100%;
  margin: 0 auto;
}

.hero__catch {
  font-size: 4rem;
  font-weight: 900;
  font-style: italic;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  color: var(--color-white);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4), 0 0 40px rgba(85, 183, 230, 0.3);
  transform: skewX(-3deg);
}

.hero__catch .line {
  display: block;
  overflow: hidden;
}

.hero__catch .line-inner {
  display: block;
}

.hero__sub {
  font-size: 1.125rem;
  font-weight: var(--font-weight-normal);
  opacity: 0.9;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 3;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.hero__dot.is-active {
  background: var(--color-white);
}

.hero__scroll {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-white);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==========================================================================
   Front Page Sections
   ========================================================================== */

/* About Section */
.about-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-section__text {
  font-size: 0.9375rem;
  line-height: 2;
}

.about-section__image {
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
  overflow: hidden;
}

.about-section__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Service Cards */
.service-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: scale(1.02);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(42, 143, 196, 0.85) 0%, transparent 60%);
}

.service-card__content {
  position: relative;
  z-index: 1;
  padding: 32px;
  color: var(--color-white);
  width: 100%;
}

.service-card__label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 8px;
}

.service-card__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: 8px;
}

.service-card__desc {
  font-size: 0.875rem;
  opacity: 0.85;
  margin-bottom: 16px;
  line-height: 1.6;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
}

.service-card__link:hover {
  color: var(--color-white);
}

/* Numbers Section */
.numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.number-item__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.number-item__num {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  line-height: 1;
}

.number-item__unit {
  font-size: 1rem;
  color: var(--color-text-light);
}

.number-item__label {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* News Section */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.news-item:first-child {
  border-top: 1px solid var(--color-border);
}

.news-item__date {
  font-family: var(--font-en);
  font-size: 0.875rem;
  color: var(--color-text-light);
  white-space: nowrap;
  flex-shrink: 0;
}

.news-item__title {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
}

.news-item__title a:hover {
  color: var(--color-accent);
}

.news-more {
  text-align: center;
  margin-top: 32px;
}

/* CTA Section */
.cta-section {
  background-color: #1a2a3a;
  padding: 80px 0;
  text-align: center;
  color: var(--color-white);
}

.cta-section__title {
  font-size: 1.75rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-section__text {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

/* ==========================================================================
   Service Page (Butsuryu / Outsourcing)
   ========================================================================== */

.service-overview {
  font-size: 1rem;
  line-height: 2;
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: center;
}

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

.feature-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(85, 183, 230, 0.12);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 1.5rem;
}

.feature-card__title {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.feature-card__text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Service List */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-list__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
}

.service-list__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(85, 183, 230, 0.12);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.service-list__content h3 {
  font-size: 1.0625rem;
  margin-bottom: 4px;
}

.service-list__content p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* GJ Mark Badge */
.gj-badge {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 32px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  max-width: 600px;
  margin: 0 auto;
}

.gj-badge__icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(85, 183, 230, 0.12);
  border-radius: var(--radius-md);
  font-size: 2rem;
  color: var(--color-accent);
}

.gj-badge__text h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.gj-badge__text p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ==========================================================================
   Timeline (History Page)
   ========================================================================== */

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: 40px;
  padding-left: 32px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline__year {
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: 4px;
}

.timeline__event {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ==========================================================================
   Location Card (Kyoten Page)
   ========================================================================== */

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

.location-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  border-top: 4px solid var(--color-accent);
  transition: box-shadow var(--transition-base);
}

.location-card:hover {
  box-shadow: var(--shadow-md);
}

.location-card__name {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.location-card__info {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.location-card__info dt {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-top: 8px;
}

.location-card__info dt:first-child {
  margin-top: 0;
}

.location-card__info dd {
  margin-left: 0;
}

.location-card__badge {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 10px;
  font-size: 0.6875rem;
  background-color: rgba(85, 183, 230, 0.12);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-medium);
}

/* ==========================================================================
   Company Info (Company Page)
   ========================================================================== */

.company-message {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.company-message__image {
  aspect-ratio: 3 / 4;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
  overflow: hidden;
}

.company-message__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.company-message__text h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.company-message__text p {
  font-size: 0.9375rem;
  line-height: 2;
}

/* ==========================================================================
   News Item (for index.php)
   ========================================================================== */

.news-item__excerpt {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.pagination {
  margin-top: 48px;
  text-align: center;
}

.pagination .nav-links {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.pagination .page-numbers.current,
.pagination .page-numbers:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}