/* 
 * ヘッダー専用CSS
 * Nipponich テーマ - ヘッダーコンポーネント
 */

/* ===========================================
   ヘッダーメイン
   =========================================== */

.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-base);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-index-header);
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(55, 65, 81, 0.1);
}

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

/* ===========================================
   サイトブランディング
   =========================================== */

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

/* サイトロゴ画像 */
.site-logo-image {
  max-height: 60px;
  width: auto;
  transition: all var(--transition-base);
}

.site-logo-link:hover .site-logo-image {
  transform: scale(1.05);
}

.site-logo-link {
  text-decoration: none;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  line-height: var(--line-height-tight);
  outline: none;
}

.site-logo-link:focus {
  outline: none;
}

.site-logo {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  letter-spacing: 1px;
  transition: all var(--transition-base);
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.site-logo-link:hover .site-logo {
  transform: scale(1.05);
}

.site-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* ===========================================
   メインナビゲーション
   =========================================== */

.main-navigation {
  display: flex;
  align-items: center;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.desktop-nav .nav-menu {
  display: flex;
  flex-direction: row;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-base);
  transition: all var(--transition-base);
  display: block;
  border-radius: var(--border-radius-base);
  position: relative;
  overflow: hidden;
  font-size: var(--font-size-md);
  outline: none;
}

.nav-menu a:focus {
  outline: none;
}

.nav-menu a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary-gradient);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-menu a:hover,
.nav-menu .current-menu-item a,
.nav-menu .current-menu-parent a,
.nav-menu .current-menu-ancestor a {
  color: var(--color-primary);
}

.nav-menu a:hover::before,
.nav-menu .current-menu-item a::before,
.nav-menu .current-menu-parent a::before,
.nav-menu .current-menu-ancestor a::before {
  width: 80%;
}

/* ページタイプ別のアクティブ状態 */
/* 企業関連ページ - companyページや企業一覧ページ */
.single-company .nav-menu a[href*="company"]::before,
.post-type-archive-company .nav-menu a[href*="company"]::before,
body[class*="company"] .nav-menu a[href*="company"]::before {
  width: 80%;
}

.single-company .nav-menu a[href*="company"],
.post-type-archive-company .nav-menu a[href*="company"],
body[class*="company"] .nav-menu a[href*="company"] {
  color: var(--color-primary);
}

/* 会社概要関連ページ - aboutページとその関連ページ */
.page-template-page-about .nav-menu a[href*="about"]::before,
.page-template-page-company-overview .nav-menu a[href*="about"]::before,
.page-template-page-features .nav-menu a[href*="about"]::before,
.page-template-page-concept .nav-menu a[href*="about"]::before,
body[class*="about"] .nav-menu a[href*="about"]::before,
body[class*="concept"] .nav-menu a[href*="about"]::before,
body[class*="features"] .nav-menu a[href*="about"]::before {
  width: 80%;
}

.page-template-page-about .nav-menu a[href*="about"],
.page-template-page-company-overview .nav-menu a[href*="about"],
.page-template-page-features .nav-menu a[href*="about"],
.page-template-page-concept .nav-menu a[href*="about"],
body[class*="about"] .nav-menu a[href*="about"],
body[class*="concept"] .nav-menu a[href*="about"],
body[class*="features"] .nav-menu a[href*="about"] {
  color: var(--color-primary);
}

/* ===========================================
   サブメニュー（ドロップダウン）
   =========================================== */

.nav-menu .sub-menu,
.nav-menu .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-bg-primary);
  box-shadow: var(--shadow-base);
  border-radius: var(--border-radius-base);
  padding: var(--spacing-sm) 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-index-dropdown);
  list-style: none;
  margin: 0;
}

.nav-menu li:hover .sub-menu,
.nav-menu li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu .sub-menu a,
.nav-menu .dropdown-menu a {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: var(--font-weight-normal);
}

/* GTranslate特有のスタイル */
.menu-item-gtranslate img {
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
}

.menu-item-gtranslate span {
  vertical-align: middle;
}

.menu-item-gtranslate-child {
  display: block;
  margin: 0;
  padding: 0;
}

.menu-item-gtranslate-child a {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===========================================
   ハンバーガーメニュー
   =========================================== */

.menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  outline: none;
}

.menu-toggle:focus {
  outline: none;
}

.hamburger-line {
  width: 25px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
}

.menu-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-primary);
  margin-top: 4px;
}

/* ハンバーガーアニメーション - transformの順番に注意 */
.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.menu-toggle[aria-expanded="true"] .menu-text {
  display: none;
}

/* ===========================================
   検索ボタン
   =========================================== */

.header-search {
  display: flex;
  align-items: center;
}

.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-full);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.search-toggle:hover {
  background: none;
  color: var(--color-text-primary);
}

/* ===========================================
   検索モーダル
   =========================================== */

.header-search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding-top: calc(var(--header-height) + var(--spacing-4xl));
  overflow-y: auto;
  box-sizing: border-box;
}

.header-search-modal.active {
  opacity: 1;
  visibility: visible;
}

.search-modal-content {
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-md);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.search-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: var(--border-width) solid var(--border-color);
}

.search-modal-header h2 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-light);
  color: var(--color-text-primary);
}

.search-modal-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-full);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.search-modal-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-error);
}

.search-modal-body {
  padding: var(--spacing-lg);
}

/* ===========================================
   検索フォーム
   =========================================== */

.search-form-container {
  max-width: 100%;
}

.search-form {
  margin-bottom: var(--spacing-xl);
}

/* ヘッダーモーダル専用の検索スタイル */
.header-search-modal .search-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  height: 48px;
}

.header-search-modal .search-field {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  outline: none;
  height: 100%;
}

.header-search-modal .search-field::placeholder {
  color: var(--color-text-secondary);
}

.header-search-modal .search-submit {
  background: var(--color-primary);
  border: none;
  color: var(--color-text-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.header-search-modal .search-submit:hover {
  background: var(--color-primary-hover);
}

.header-search-modal .search-submit:focus {
  outline: none;
}

/* ===========================================
   レスポンシブ対応
   =========================================== */

/* ===========================================
   モバイルメニュー
   =========================================== */

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100vw;
  height: 100vh;
  background: white;
  z-index: 9999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-content {
  padding: calc(var(--header-height-mobile) + var(--spacing-lg))
    var(--spacing-lg) var(--spacing-lg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 全てのメニューリストを強制的に縦並びに */
.mobile-menu .menu,
.mobile-menu ul,
.mobile-menu .nav-menu,
.mobile-menu .mobile-nav-menu {
  display: block !important;
  width: 100% !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.mobile-menu .menu li,
.mobile-menu ul li {
  display: block !important;
  width: 100% !important;
  float: none !important;
  margin: 0 !important;
}

.mobile-menu .menu > li > a,
.mobile-menu ul > li > a {
  display: block !important;
  width: 100% !important;
  padding: var(--spacing-lg) 0 !important;
  text-decoration: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  float: none !important;
}

/* GTranslateモバイル対応 - 慎重に調整 */
.mobile-menu .menu-item-gtranslate > a {
  display: flex !important;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: var(--spacing-lg) 0 !important;
}

/* GTranslateのサブメニューのみ対象 */
.mobile-menu .menu-item-gtranslate .dropdown-menu,
.mobile-menu .menu-item-gtranslate .sub-menu {
  position: static !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  background: transparent !important;
  box-shadow: none !important;
  padding-left: var(--spacing-xl) !important;
  margin-top: 0 !important;
  display: block !important;
}

.mobile-menu .menu-item-gtranslate-child {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  margin: 0 !important;
  padding: 0 !important;
}

.mobile-menu .menu-item-gtranslate-child a {
  padding: var(--spacing-md) 0 !important;
  padding-left: var(--spacing-sm) !important;
  font-size: var(--font-size-base) !important;
}

.mobile-menu .menu-item-gtranslate img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
}

.mobile-menu .menu-item-gtranslate span {
  display: inline-block;
  line-height: 1;
}

.mobile-nav-menu {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  flex: 1;
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  gap: 0 !important;
}

.mobile-nav-menu li {
  width: 100% !important;
  display: block !important;
  float: none !important;
}

.mobile-nav-menu a {
  display: block !important;
  padding: var(--spacing-lg) 0 !important;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  transition: color 0.3s ease;
  width: 100% !important;
  float: none !important;
}

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

.mobile-header-search {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.mobile-search-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border: none;
  border-radius: var(--border-radius-base);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  cursor: pointer;
}

@media (max-width: 900px) {
  .header-container {
    height: var(--header-height-mobile);
    padding: 0 var(--container-padding-mobile);
  }

  .site-logo {
    font-size: calc(var(--font-size-3xl) * 0.8);
  }

  .site-description {
    font-size: var(--font-size-xs);
  }

  .site-logo-image {
    max-height: 50px;
  }

  .menu-toggle {
    display: flex;
    z-index: 10000;
    position: relative;
  }

  /* モバイルメニューが開いているときはハンバーガーボタンを最前面に */
  .mobile-menu.active {
    z-index: 9999;
  }

  body.mobile-menu-open .menu-toggle {
    position: fixed !important;
    top: 20px !important;
    right: 20px !important;
    z-index: 10001 !important;
    background: none !important;
    border-radius: 0 !important;
    width: auto !important;
    height: auto !important;
    border: none !important;
  }

  .search-modal-content {
    width: 95%;
    margin: var(--spacing-md);
  }

  .search-modal-header {
    padding: var(--spacing-base) var(--spacing-md);
  }

  .search-modal-body {
    padding: var(--spacing-md);
  }

  /* 検索フォーム（モバイル） */
  .search-field {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .search-submit {
    min-width: 44px;
    height: 44px;
    padding: var(--spacing-sm);
  }

  .popular-tags {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .tags-list {
    width: 100%;
  }
}