/* ==========================================================================
   Components: Header, Footer, Cards, etc.
   ========================================================================== */

/* ================================
   HEADER
   ================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

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

/* Logo */
.header__logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.header__logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.header__logo-text {
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: 1px;
}

/* Navigation */
.header__nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: block;
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 60%;
}

/* Header CTA */
.header__cta {
  display: flex;
  align-items: center;
}

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

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-base);
  border-radius: 1px;
}

.header__hamburger.active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.header__hamburger.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  padding-top: var(--header-height);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__nav {
  padding: 40px var(--container-padding);
}

.mobile-menu__list {
  list-style: none;
}

.mobile-menu__list li {
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu__list a {
  display: block;
  padding: 18px 0;
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: 1px;
}

.mobile-menu__list a:hover {
  color: var(--color-primary);
}

.mobile-menu__cta {
  margin-top: 30px;
}


/* ================================
   FOOTER
   ================================ */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.85);
  padding-top: 80px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: 16px;
}

.footer__company-name {
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  color: #ffffff;
  margin-bottom: 12px;
}

.footer__address {
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.footer__heading {
  font-size: 0.85rem;
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  font-family: var(--font-en);
}

.footer__menu {
  list-style: none;
}

.footer__menu li {
  margin-bottom: 10px;
}

.footer__menu a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__menu a:hover {
  color: var(--color-primary);
}

/* SNS Links */
.footer__sns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer__sns-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  color: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer__sns-link svg {
  flex-shrink: 0;
}

.footer__sns-label {
  line-height: 1;
}

.footer__sns-link:hover {
  color: #ffffff;
  border-color: var(--color-primary);
  background-color: var(--color-primary);
}

/* Footer Bottom */
.footer__bottom {
  padding: 24px 0;
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__legal-link {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: var(--color-primary);
}

.footer__copyright {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-3px);
}


/* ================================
   POST CARDS
   ================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 40px 0;
}

.post-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.post-card__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.post-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-card__image img {
  transform: scale(1.05);
}

.post-card__content {
  padding: 24px;
}

.post-card__date {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-family: var(--font-en);
  margin-bottom: 8px;
}

.post-card__title {
  font-size: 1.05rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 10px;
  line-height: 1.5;
}

.post-card__title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.post-card__title a:hover {
  color: var(--color-primary);
}

.post-card__excerpt {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.post-card__excerpt p {
  margin: 0;
}

/* Category Badge */
.post-card__category {
  display: inline-block;
  padding: 3px 12px;
  font-size: 0.72rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

/* Pagination */
.pagination {
  padding: 40px 0;
  text-align: center;
}

.pagination .nav-links {
  display: flex;
  align-items: center;
  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: 0.9rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

/* No Results */
.no-results {
  text-align: center;
  padding: 80px 20px;
}

.no-results h2 {
  margin-bottom: 16px;
}

.no-results p {
  color: var(--color-text-secondary);
}


/* ================================
   PAGE HEADER (Lower Pages)
   ================================ */
.page-header {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--color-dark);
  background-size: cover;
  background-position: center;
  margin-top: var(--header-height);
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.85), rgba(23, 128, 135, 0.6));
  z-index: 1;
}

.page-header__content {
  position: relative;
  z-index: 2;
}

.page-header__label {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.page-header__title {
  font-size: 2.2rem;
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  letter-spacing: 2px;
}


/* ================================
   COMPANY INFO TABLE
   ================================ */
.company-table {
  width: 100%;
  border-collapse: collapse;
}

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

.company-table th,
.company-table td {
  padding: 20px 16px;
  text-align: left;
  font-size: 0.95rem;
  vertical-align: top;
}

.company-table th {
  width: 160px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

.company-table td {
  color: var(--color-text-secondary);
}