/**
 * HEADERブランドタグライン + PCレスポンシブ切替
 * 共通pc.cssとは分離し、ロゴ周り・ナビ折返し防止・段階的compact切替をこのファイルに限定する。
 */
:root {
  --header-compact-max: 1440px;
  --header-tagline-hide-max: 1500px;
}

.header .innerSection,
#headerInnerSection {
  flex-wrap: nowrap !important;
}

.header .logo {
  flex-shrink: 0 !important;
  gap: 14px !important;
  min-width: 0 !important;
}

.header .logo > a,
.header .header-brand {
  flex-shrink: 0 !important;
  min-width: auto !important;
}

.header .header-brand__tagline {
  margin: 0 !important;
  padding: 0 !important;
  flex-shrink: 0 !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  line-height: 1.35 !important;
  color: rgba(51, 51, 51, 0.68) !important;
  white-space: nowrap !important;
  letter-spacing: 0.01em !important;
}

/* PCナビ: 日本語ラベルの途中改行を禁止 */
.header nav.gnb.header-pc-nav,
.header nav.gnb.header-pc-nav > ul,
.header nav.gnb.header-pc-nav .loginList {
  flex-wrap: nowrap !important;
}

.header nav.gnb.header-pc-nav > ul,
.header nav.gnb.header-pc-nav > ul li.gnbList,
.header nav.gnb.header-pc-nav .loginList,
.header nav.gnb.header-pc-nav .loginList li {
  flex-shrink: 0 !important;
}

.header nav.gnb.header-pc-nav > ul li.gnbList > a,
.header nav.gnb.header-pc-nav .loginList li a,
.header nav.gnb.header-pc-nav .loginList .btn-login {
  white-space: nowrap !important;
}

/* desktop UA: 狭い幅用コンパクトヘッダー（HTMLは常に出力、CSSで切替） */
.header .header-compact-nav {
  display: none !important;
}

/* Stage 2: タグライン非表示（ナビ可読性優先） */
@media (max-width: 1500px) {
  .header .header-brand__tagline {
    display: none !important;
  }
}

/* Stage 2b: 余白・gapを段階的に縮小（フォントサイズは維持） */
@media (max-width: 1280px) {
  .header .innerSection,
  #headerInnerSection {
    padding-left: 28px !important;
    padding-right: 28px !important;
  }

  .header nav.gnb.header-pc-nav {
    margin-left: 32px !important;
    padding-left: 12px !important;
    gap: 1.25rem !important;
  }

  .header .renewal-section.innerSection nav.gnb.header-pc-nav {
    gap: 1.25rem !important;
  }

  .header nav.gnb.header-pc-nav .loginList li:first-child {
    margin-right: 14px !important;
  }
}

@media (max-width: 1200px) {
  .header .innerSection,
  #headerInnerSection {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  .header nav.gnb.header-pc-nav {
    margin-left: 20px !important;
    padding-left: 8px !important;
    gap: 1rem !important;
  }

  .header .renewal-section.innerSection nav.gnb.header-pc-nav {
    gap: 1rem !important;
  }

  .header nav.gnb.header-pc-nav .loginList li:first-child {
    margin-right: 10px !important;
  }
}

/* Stage 3: フルナビ非表示 → ハンバーガー（崩れる前に切替） */
@media (max-width: 1440px) {
  .header nav.gnb.header-pc-nav {
    display: none !important;
  }

  .header .header-compact-nav {
    display: grid !important;
    position: absolute !important;
    top: 0 !important;
    right: 12px !important;
    height: 80px !important;
    min-height: 80px !important;
    max-height: 80px !important;
    grid-template-columns: auto 1fr auto !important;
    align-items: center !important;
    gap: 12px !important;
    margin-left: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    width: auto !important;
    max-width: calc(100vw - 24px) !important;
    z-index: 101 !important;
  }

  .header .header-compact-nav .mob-signup-button {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 132px !important;
    min-width: 132px !important;
    max-width: 132px !important;
    height: 38px !important;
    padding: 0 10px !important;
    border-radius: 8px !important;
    font-size: 12px !important;
    font-weight: bold !important;
    line-height: 38px !important;
    text-align: center !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgb(62 239 127 / 25%) !important;
    background: linear-gradient(96.77deg, #04CC00 -0.96%, #12C2CD 100%) !important;
    cursor: pointer !important;
    text-decoration: none !important;
    white-space: nowrap !important;
  }

  .header .header-compact-nav .nav_toggle {
    position: relative !important;
    z-index: 10003 !important;
    border: 0 !important;
    background: transparent !important;
    touch-action: manipulation !important;
    width: 44px !important;
    height: 44px !important;
    padding: 0 !important;
    display: inline-flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    cursor: pointer !important;
  }

  .header .header-compact-nav .nav_toggle i {
    display: block !important;
    width: 22px !important;
    height: 2px !important;
    background: #1f3134 !important;
    border-radius: 2px !important;
    transition: transform 0.25s ease, opacity 0.25s ease !important;
  }

  .header .header-compact-nav .nav_toggle.show i:nth-child(1) {
    transform: translateY(8px) rotate(45deg) !important;
  }

  .header .header-compact-nav .nav_toggle.show i:nth-child(2) {
    opacity: 0 !important;
  }

  .header .header-compact-nav .nav_toggle.show i:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg) !important;
  }
}