/* ========== Corporate Header ========== */
.l-header-corp {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9990;
  background-color: rgba(33, 33, 33, 0.3);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid rgba(188, 202, 216, 0.3);
  transition: background-color 0.3s, box-shadow 0.3s;
}

/* スクロール後（白背景上）のヘッダー */
.l-header-corp.is-scrolled {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #e3e6ec;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.l-header-corp.is-scrolled .l-header-corp__nav a {
  color: #1c2530;
}

/* contact/schedule ボタンはグラデ背景なので白文字を維持 */
.l-header-corp.is-scrolled .l-header-corp__btn--contact,
.l-header-corp.is-scrolled .l-header-corp__btn--schedule {
  color: #fff;
}

.l-header-corp.is-scrolled .l-header-corp__btn--contact .l-header-corp__btn-icon,
.l-header-corp.is-scrolled .l-header-corp__btn--schedule .l-header-corp__btn-icon {
  color: #fff;
}

.l-header-corp.is-scrolled .c-hamburger--corp span {
  background-color: #1c2530;
}

/* ロゴ切替（白背景時はダーク版） */
.l-header-corp__logo-img--dark {
  display: none;
}

.l-header-corp.is-scrolled .l-header-corp__logo-img--light {
  display: none;
}

.l-header-corp.is-scrolled .l-header-corp__logo-img--dark {
  display: inline-block;
}

.l-header-corp__content {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 0;
  padding: 0 0 0 40px;
  min-height: 70px;
}

/* FV上（透明状態）では content だけ黒背景に */
.l-header-corp.is-transparent .l-header-corp__content {
  background-color: rgba(0, 0, 0, 0.55);
}

/* ロゴ */
.l-header-corp__logo {
  flex-shrink: 0;
  margin: 0;
  display: flex;
  align-items: center;
}

.l-header-corp__logo a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.l-header-corp__logo img {
  height: 26px;
  width: auto;
}

/* ナビ */
.l-header-corp__nav {
  flex: 1;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  margin-right: 20px;
}

.l-header-corp__nav ul {
  display: flex;
  align-items: stretch;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.l-header-corp__nav li {
  display: flex;
  align-items: center;
  line-height: 1;
}

.l-header-corp__nav a {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}

.l-header-corp__nav a:hover {
  color: rgba(255, 255, 255, 0.85);
}

/* アンダーラインインジケーター：ヘッダー下端のボーダーに重ねる */
.l-header-corp__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #c4a576 30%, #e8d5b0 50%, #c4a576 70%, transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.l-header-corp__nav a:hover::after,
.l-header-corp__nav a.is-current::after {
  transform: scaleX(1);
}

/* 現在ページは少しウェイトを上げて主張 */
.l-header-corp__nav a.is-current {
  font-weight: 600;
}

/* ボタン群 */
.l-header-corp__buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 24px;
  flex-shrink: 0;
}

.l-header-corp__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 20px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.05em;
  border-radius: 0;
  transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

.l-header-corp__btn--contact {
  background: #1c2530;
}

.l-header-corp__btn--schedule {
  background: linear-gradient(135deg, #2a3a55, #15202f);
}

.l-header-corp__btn:hover {
  transform: translateY(-1px);
}

.l-header-corp__btn--contact:hover {
  background: #2c3848;
}

.l-header-corp__btn--schedule:hover {
  background: linear-gradient(135deg, #3a4a65, #1f2c40);
}

.l-header-corp__btn-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  color: #fff;
  flex-shrink: 0;
}

/* ハンバーガー */
.c-hamburger--corp {
  width: 80px;
  background: transparent;
}

/* スライドメニュー（コーポレート用：上書き不要だが識別子だけ用意） */
.c-slidebar-menu--corp {
  background-color: #15181c;
}

/* body padding（固定ヘッダー分の余白なし＝FVに被せる） */
body.is-corporate {
  padding-top: 0;
}

.logged-in.admin-bar .l-header-corp {
  top: var(--wp-admin--admin-bar--height, 32px);
}

/* ========== Responsive ========== */
@media screen and (max-width: 1100px) {
  .l-header-corp__nav ul {
    gap: 24px;
  }

  .l-header-corp__nav a {
    font-size: 14px;
  }

  .l-header-corp__btn {
    padding: 0 18px;
    font-size: 13px;
  }
}

@media screen and (max-width: 1000px) {
  .l-header-corp__nav,
  .l-header-corp__buttons {
    display: none;
  }

  .l-header-corp__content {
    padding: 0 0 0 20px;
    min-height: 64px;
  }

  .l-header-corp__logo img {
    height: 30px;
  }

  .c-hamburger--corp {
    width: 64px;
  }
}

@media screen and (max-width: 782px) {
  .logged-in.admin-bar .l-header-corp {
    top: var(--wp-admin--admin-bar--height, 46px);
  }
}