/* ============================================
   s-layout-01 (ヘッダー)
   ============================================ */

/* --- 半透明フロスト背景 --- */
.s-layout-01__header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-black) 34%, transparent);
  -webkit-backdrop-filter: blur(var(--space-md));
  backdrop-filter: blur(var(--space-md));
  color: var(--color-white);
  transition:
    background-color var(--transition-normal),
    box-shadow var(--transition-normal);
}

.admin-bar .s-layout-01__header {
  top: var(--wp-admin--admin-bar--height);
}

.admin-bar.akie-admin-bar-hidden .s-layout-01__header {
  top: 0;
}

:is(.s-layout-01__header *) {
  margin: 0;
}

.s-layout-01__header-inner {
  padding: var(--space-md) var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding-block var(--transition-normal);
}

/* --- ロゴ --- */
.s-layout-01__logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  text-decoration: none;
  color: var(--color-white);
  transition: gap var(--transition-normal);
}

.s-layout-01__logo-img {
  height: var(--space-7-xl);
  width: auto;
  transition: height var(--transition-normal);
}

.s-layout-01__home-link {
  color: inherit;
  text-decoration: none;
}

.s-layout-01__logo-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-right:auto;
  margin-left:var(--space-md);
  gap: var(--space-2-xs);
  transition:
    gap var(--transition-normal),
    margin-left var(--transition-normal);
}

.s-layout-01__logo-name {
  font-family: var(--font-family-jp);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-white);
  transition: font-size var(--transition-normal);
}

.s-layout-01__logo-badges {
  display: flex;
  gap: var(--space-xs);
}

.s-layout-01__logo-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-4-xs) var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-3-xs);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-white);
  text-decoration: none;
  transition:
    padding var(--transition-normal),
    font-size var(--transition-normal);
}

.s-layout-01__logo-badge--active {
  background: var(--color-white);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  border-color: var(--color-white);
  background: var(--color-white);
  color: rgba(0, 0, 0, 0.4);
}

.s-layout-01__logo-badge--link {
  gap: var(--space-3-xs);
  transition: opacity var(--transition-normal);
}

.s-layout-01__logo-badge--link::after {
  content: 'chevron_right';
  font-family: 'Material Icons';
  font-size: var(--font-size-2-xs);
  line-height: 1;
}

.s-layout-01__logo-badge--link:hover {
  opacity: 0.7;
}

.s-layout-01__logo-badge-icon {
  font-size: var(--font-size-xs);
}

/* --- MENU ボタン（PC / SP 共通） --- */
.s-layout-01__menu-btn {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: var(--color-white);
  padding: var(--space-xs);
  cursor: pointer;
  background: none;
  border: none;
  transition: gap var(--transition-normal);
}

.s-layout-01__menu-label {
  font-family: var(--font-family-en);
  font-size: var(--font-size-lg);
  letter-spacing: var(--letter-spacing-hero);
  color: var(--color-white);
  transition: font-size var(--transition-normal);
}

.s-layout-01__menu-lines {
  position: relative;
  width: var(--space-4-xl);
  height: var(--space-2-xs);
  transition: width var(--transition-normal);
}

/* --- スクロール後のコンパクトヘッダー --- */
.s-layout-01__header.is-compact {
  background: color-mix(in srgb, var(--color-black) 44%, transparent);
  box-shadow: var(--shadow-sm);
}

.s-layout-01__header.is-compact .s-layout-01__header-inner {
  padding-block: var(--space-2-xs);
}

.s-layout-01__header.is-compact .s-layout-01__logo-link {
  gap: var(--space-md);
}

.s-layout-01__header.is-compact .s-layout-01__logo-img {
  height: var(--space-6-xl);
}

.s-layout-01__header.is-compact .s-layout-01__logo-body {
  margin-left: var(--space-xs);
  gap: 0;
}

.s-layout-01__header.is-compact .s-layout-01__logo-name {
  font-size: var(--font-size-md);
}

.s-layout-01__header.is-compact .s-layout-01__logo-badge {
  padding: var(--space-4-xs) var(--space-xs);
  font-size: var(--font-size-4-xs);
}

.s-layout-01__header.is-compact .s-layout-01__menu-btn {
  gap: var(--space-3-xs);
}

.s-layout-01__header.is-compact .s-layout-01__menu-label {
  font-size: var(--font-size-md);
}

.s-layout-01__header.is-compact .s-layout-01__menu-lines {
  width: var(--space-3-xl);
}

.s-layout-01__menu-lines span {
  position: absolute;
  right: 0;
  display: block;
  height: 1px;
  width: 100%;
  background: var(--color-white);
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
}

.s-layout-01__menu-lines span:first-child {
  top: 0;
  width: 140%;
}

.s-layout-01__menu-lines span:last-child {
  bottom: 0;
}

/* × アニメーション */
.s-layout-01__menu-btn.is-active .s-layout-01__menu-lines span:first-child {
  width: 100%;
  top: 50%;
  transform: rotate(45deg);
}

.s-layout-01__menu-btn.is-active .s-layout-01__menu-lines span:last-child {
  bottom: 50%;
  transform: rotate(-45deg);
}

.s-layout-01__menu-btn.is-active .s-layout-01__menu-label {
  display: none;
}

.s-layout-01__menu-btn-icon {
  font-size: var(--font-size-3-xl);
  color: var(--color-white);
}

/* --- PC --- */
@media (min-width: 768px) {
  .s-layout-01__logo-img {
    height: var(--space-8-xl);
  }
}

/* --- Mobile Overlay --- */
.s-layout-01__mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  visibility: hidden;
  pointer-events: none;
  overflow: hidden;
}

.s-layout-01__mobile-overlay.is-open {
  visibility: visible;
  pointer-events: auto;
}

.s-layout-01__mobile-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.s-layout-01__mobile-overlay.is-open .s-layout-01__mobile-backdrop {
  opacity: 1;
}

.s-layout-01__mobile-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 40rem;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow-y: auto;
  color: var(--color-white);
  font-family: var(--font-family-jp);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.s-layout-01__mobile-overlay.is-open .s-layout-01__mobile-panel {
  transform: translateX(0);
}

.s-layout-01__mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-2-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.s-layout-01__mobile-logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--color-white);
}

.s-layout-01__mobile-logo-img {
  height: var(--space-6-xl);
  width: auto;
}

.s-layout-01__mobile-logo {
  font-family: var(--font-family-jp);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: var(--color-white);
  letter-spacing: var(--letter-spacing-wider);
}

.s-layout-01__mobile-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--color-white);
  z-index: 10;
}

/* --- Mobile Navigation Links --- */
.s-layout-01__mobile-nav {
  padding: var(--space-2-xl);
}

.s-layout-01__mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
}

.s-layout-01__mobile-nav-chevron {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

/* --- Mobile Nav: 2階層アコーディオン --- */
.s-layout-01__mobile-nav-toggle {
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.s-layout-01__mobile-nav-chevron--toggle {
  font-size: var(--font-size-xl);
  transition: transform var(--transition-fast);
}

.s-layout-01__mobile-nav-group.is-expanded .s-layout-01__mobile-nav-chevron--toggle {
  transform: rotate(180deg);
}

.s-layout-01__mobile-subnav {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.s-layout-01__mobile-nav-group.is-expanded .s-layout-01__mobile-subnav {
  max-height: 60rem;
}

.s-layout-01__mobile-subnav-link {
  display: block;
  padding: var(--space-lg) 0 var(--space-lg) var(--space-2-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
}

/* --- Mobile CTAs --- */
.s-layout-01__mobile-ctas {
  padding: 0 var(--space-2-xl) var(--space-2-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.s-layout-01__mobile-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-2-xl);
  color: var(--color-white);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 0;
  background: transparent;
  transition: opacity var(--transition-fast);
}

.s-layout-01__mobile-cta::after {
  content: 'chevron_right';
  font-family: 'Material Icons';
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.5);
}

.s-layout-01__mobile-cta:hover {
  opacity: 0.7;
}

.s-layout-01__mobile-cta--primary,
.s-layout-01__mobile-cta--accent,
.s-layout-01__mobile-cta--line,
.s-layout-01__mobile-cta--outline {
  background: transparent;
}

.s-layout-01__mobile-cta-icon {
  display: none;
}

.s-layout-01__mobile-cta-icon--primary {
  display: none;
}

/* --- SP --- */
@media (max-width: 767px) {
  .s-layout-01__logo-link {
    gap: var(--space-xs);
    min-width: 0;
  }

  .s-layout-01__logo-body {
    margin-left: var(--space-xs);
    min-width: 0;
  }

  .s-layout-01__logo-img {
    height: var(--space-3-xl);
  }

  .s-layout-01__logo-name {
    font-size: var(--font-size-md);
  }

  .s-layout-01__logo-badges {
    display: flex;
  }

  .s-layout-01__logo-badge {
    white-space: nowrap;
  }

  .s-layout-01__menu-btn {
    flex-shrink: 0;
  }

  .s-layout-01__menu-label {
    font-size: var(--font-size-sm);
  }

  .s-layout-01__menu-lines {
    width: var(--space-3-xl);
  }

  .s-layout-01__header.is-compact .s-layout-01__logo-img {
    height: var(--space-3-xl);
  }

  .s-layout-01__header.is-compact .s-layout-01__logo-link {
    gap: var(--space-xs);
  }

  .s-layout-01__header.is-compact .s-layout-01__logo-name {
    font-size: var(--font-size-sm);
  }

  .s-layout-01__header.is-compact .s-layout-01__menu-label {
    font-size: var(--font-size-xs);
  }

  .s-layout-01__header.is-compact .s-layout-01__menu-btn {
    gap: var(--space-3-xs);
  }

  .s-layout-01__header.is-compact .s-layout-01__menu-lines {
    width: var(--space-2-xl);
  }
}