/* layout.css - Header (Section 6), Footer (Section 17) */

/* --------------------------------------------------------------------------
   6. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

/* A: 3色セパレートボーダー */
.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--color-navy)   0%   25%,
    var(--color-teal)   25%  50%,
    var(--color-coral)  50%  75%,
    var(--color-yellow) 75%  100%
  );
}

body {
  padding-top: var(--header-height);
}

/* WordPress管理バー対応（ログイン時のみ） */
body.admin-bar .site-header {
  top: 32px;
}
body.admin-bar {
  padding-top: calc(var(--header-height) + 32px);
}

/* スマホ管理バーは46px */
@media (max-width: 782px) {
  body.admin-bar .site-header {
    top: 46px;
  }
  body.admin-bar {
    padding-top: calc(var(--header-height) + 46px);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
}

.site-logo a {
  display: flex;
  align-items: center;
}

/* C: タグライン */
.header-tagline {
  font-size: 0.65rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
}

@media (min-width: 901px) {
  .header-tagline {
    font-size: 0.9rem;
  }
}

@media (max-width: 1100px) {
  .header-tagline {
    display: none;
  }
}

.logo-text {
  font-family: 'Ephesis', 'Georgia', 'Times New Roman', serif;
  font-size: 3.2rem;
  font-weight: 400;
  color: var(--color-navy);
  letter-spacing: 0.03em;
  font-style: italic;
  white-space: nowrap;
}

.logo-img {
  height: 80px;
  width: auto;
  display: block;
  margin-top: 6px;
}

.footer-logo-img {
  height: 52px;
  width: auto;
  display: block;
  margin-bottom: 12px;
}

/* Desktop Nav */
.global-nav { display: flex; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.nav-list li a {
  text-transform: uppercase;
  display: block;
  padding: 8px 10px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-list li a:hover,
.nav-list li.current a {
  color: var(--color-navy);
  background: rgba(232, 113, 74, 0.08);
}

.nav-list li a.nav-cta {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 8px 20px;
  border-radius: 50px;
}

.nav-list li a.nav-cta:hover {
  background: #152d4a;
  color: var(--color-white);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  width: 32px;
  height: 32px;
  padding: 7px 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.hamburger:hover { background: rgba(232, 113, 74, 0.08); }

.hamburger-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger.is-active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 85vw);
  background: var(--color-white);
  z-index: 999;
  overflow-y: auto;
  padding: calc(var(--header-height) + 32px) 24px 40px;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -4px 0 32px rgba(0, 0, 0, 0.12);
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-list li:first-child {
  margin-top: 16px;
}

.mobile-nav-list li a {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-navy);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mobile-nav-list li a:hover,
.mobile-nav-list li.current a {
  color: var(--color-navy);
  background: rgba(30, 58, 95, 0.08);
}

.mobile-nav-list li a.mobile-nav-cta {
  background: var(--color-navy);
  color: var(--color-white);
  text-align: center;
  margin-top: 20px;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 0.8rem;
  text-transform: none;
  display: inline-block;
  width: auto;
}

.mobile-nav-list li a.mobile-nav-cta:hover {
  background: #152d4a;
}

/* Mobile Nav サブリンク */
.mobile-nav-sub {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-nav-sub__heading {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin: 12px 0 4px 8px;
}

.mobile-nav-sub__link {
  display: block;
  padding: 8px 8px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.mobile-nav-sub__heading + .mobile-nav-sub__link,
.mobile-nav-sub__heading ~ .mobile-nav-sub__link {
  padding-left: 20px;
}

.mobile-nav-sub__link:hover {
  background: rgba(30, 58, 95, 0.05);
  color: var(--color-navy);
}

/* Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}
.nav-overlay.is-visible { opacity: 1; }

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.footer-cta {
  background: linear-gradient(135deg, #f0f5ff 0%, #e8f4f1 100%);
  padding: 80px 0;
  text-align: center;
}

.footer-cta .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-cta__label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  text-align: center;
}

.footer-cta__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 28px;
  text-align: center;
}

.footer-body {
  background: var(--color-navy);
  padding: 64px 0;
  color: rgba(255, 255, 255, 0.8);
}

.footer-body__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: start;
}

.footer-logo {
  font-family: 'Georgia', serif;
  font-style: italic;
  font-size: 1.4rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

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

.footer-nav__heading {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 14px;
}

.footer-nav__group ul { display: flex; flex-direction: column; gap: 10px; }

.footer-nav__group a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition);
}

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

.footer-bottom {
  background: rgba(0, 0, 0, 0.2);
  padding: 20px 0;
  text-align: center;
}

.copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}