/*
|---------------------------------------------------------------
| qinc2026-header.css - サイトヘッダー
|---------------------------------------------------------------
*/

/* ==========================================================================
   Site Header 2026
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  width: 100%;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--container-padding-x);
}

/* --------------------------------------------------------------------------
   Branding (Logo + Nav)
   -------------------------------------------------------------------------- */
.site-header__branding {
  display: flex;
  align-items: center;
  gap: clamp(24px, calc(-36px + 5vw), 28px);
}

/* Logo */
.site-header__logo {
  margin: 0;
  padding: 0;
  font-size: inherit;
  font-weight: inherit;
}

.site-header__logo-link {
  display: flex;
  align-items: center;
  transition: opacity 0.2s ease;
}

.site-header__logo-link:hover {
  opacity: 0.7;
}

.site-header__logo-svg {
  display: block;
  width: 132px;
  height: auto;
}

.site-header__logo-svg .logo-main {
  fill: #1e2c63;
}

.site-header__logo-svg .logo-dot {
  fill: #fff;
}

/* Navigation */
.site-header__nav {
  display: block;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(16px, calc(-44px + 5vw), 20px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
}

.site-header__nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 800;
  font-size: 14px;
  color: var(--color-blue01);
  line-height: 20px;
  position: relative;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-blue01);
  transition: width 0.3s ease;
}

.site-header__nav-link:hover::after {
  width: 100%;
}

.site-header__nav-link:hover {
  opacity: 1;
}

.site-header__nav-arrow {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  transition: transform 0.2s ease;
}

/* Dropdown */
.site-header__nav-item--has-dropdown {
  position: relative;
}

.site-header__nav-item--has-dropdown:hover .site-header__nav-arrow {
  transform: rotate(180deg);
}

.site-header__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 12px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.site-header__nav-item--has-dropdown:hover .site-header__dropdown {
  opacity: 1;
  visibility: visible;
}

.site-header__dropdown-list {
  list-style: none;
  margin: 0;
  padding: 16px 0;
  background-color: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  min-width: 180px;
}

.site-header__dropdown-item {
  margin: 0;
}

.site-header__dropdown-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-weight: 500;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-header__dropdown-link:hover {
  background-color: var(--color-bg-light);
  color: var(--color-blue02);
}

.site-header__dropdown-text {
  display: flex;
  flex-direction: column;
}

.site-header__dropdown-desc {
  font-weight: 400;
  font-size: 10px;
  color: var(--color-blue-grey02);
  line-height: 1.4;
  margin-top: 2px;
}

.site-header__dropdown-external {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Actions (Links + Buttons)
   -------------------------------------------------------------------------- */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: clamp(18px, calc(-72px + 7.5vw), 24px);
}

/* Sub Links */
.site-header__links {
  display: flex;
  align-items: center;
  gap: clamp(16px, calc(-44px + 5vw), 20px);
}

.site-header__link {
  font-weight: 800;
  font-size: 14px;
  color: var(--color-blue03);
  line-height: 20px;
  text-decoration: none;
  position: relative;
}

.site-header__link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-blue03);
  transition: width 0.3s ease;
}

.site-header__link:hover::after {
  width: 100%;
}

.site-header__link:hover {
  opacity: 1;
  color: var(--color-blue03);
}

/* Highlight Link (Gold) */
.site-header__link--highlight {
  color: var(--color-gold);
}

.site-header__link--highlight::after {
  background-color: var(--color-gold);
}

.site-header__link--highlight:hover {
  color: var(--color-gold);
}

/* Buttons */
.site-header__buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-header__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  /* padding: 0 clamp(16px, calc(-44px + 5vw), 20px); */ /* ← ボタン3つ用（復旧時に有効化） */
  padding: 0 24px; /* ← ボタン2つ用（復旧時に削除） */
  border-radius: 4px;
  font-weight: 800;
  font-size: 14px;
  line-height: 20px;
  white-space: nowrap;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.site-header__btn:hover {
  opacity: 0.8;
}

.site-header__btn-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

/* Outline Button */
.site-header__btn--outline {
  background-color: transparent;
  border: 1px solid var(--color-blue01);
  color: var(--color-blue01);
}

.site-header__btn--outline:hover {
  color: var(--color-blue01);
}

/* Primary Button */
.site-header__btn--primary {
  background-color: var(--color-blue01);
  border: 1px solid var(--color-blue01);
  color: var(--color-white);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.site-header__btn--primary:hover {
  color: var(--color-white);
}

/* Secondary Button */
.site-header__btn--secondary {
  background-color: #5083b7;
  border: 1px solid #5083b7;
  color: var(--color-white);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.site-header__btn--secondary:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Column Header Variant
   ========================================================================== */
.site-header--column {
  background: #1e2c63;
  color: #f8fafc;
}

/* Column: Layout overrides */
.site-header--column .site-header__branding {
  gap: 20px;
}

.site-header--column .site-header__actions {
  gap: 24px;
}

.site-header--column .site-header__nav-list {
  gap: 28px;
}

/* Logo: white */
.site-header--column .logo-main {
  fill: #fff;
}

.site-header--column .logo-dot {
  fill: #1e2c63;
}

/* Column Title */
.site-header__column-title {
  display: flex;
  align-items: center;
  gap: 0;
  font-weight: 700;
  font-size: 18px;
  line-height: 28px;
  color: #f8fafc;
  letter-spacing: 0.2px;
  white-space: nowrap;
  font-feature-settings: 'palt' 1;
}

.site-header__column-title-sep {
  color: #94a3b8;
  margin-right: 8px;
}

/* Nav: white text */
.site-header--column .site-header__nav-link {
  color: #f8fafc;
}

/* Column Button */
.site-header__btn--column {
  background-color: #f8fafc;
  border: 1px solid #f8fafc;
  color: var(--color-blue01);
  padding: 0 24px;
}

.site-header__btn--column:hover {
  color: var(--color-blue01);
}

/* Mobile: hamburger lines white */
.site-header--column .site-header__menu-btn-line {
  background-color: #f8fafc;
}

/* --------------------------------------------------------------------------
   Mobile Menu Button
   -------------------------------------------------------------------------- */
.site-header__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.site-header__menu-btn:hover {
  opacity: 0.7;
}

.site-header__menu-btn-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-blue01);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Active state */
.site-header__menu-btn.is-active .site-header__menu-btn-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__menu-btn.is-active .site-header__menu-btn-line:nth-child(2) {
  opacity: 0;
}

.site-header__menu-btn.is-active .site-header__menu-btn-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Mobile Navigation Overlay
   -------------------------------------------------------------------------- */
.site-header__mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10001;
  display: flex;
  justify-content: flex-end;
  background-color: rgba(0, 0, 0, 0);
  pointer-events: none;
  transition: background-color 0.3s ease;
}

.site-header__mobile-nav.is-open {
  background-color: rgba(0, 0, 0, 0.4);
  pointer-events: auto;
}

.site-header__mobile-nav-panel {
  display: flex;
  flex-direction: column;
  width: 480px;
  max-width: 100%;
  height: 100%;
  background-color: var(--color-white);
  overflow-y: auto;
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.site-header__mobile-nav.is-open .site-header__mobile-nav-panel {
  transform: translateX(0);
}

.site-header__mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height-sp);
  padding: 0 var(--container-padding-x-sp);
  flex-shrink: 0;
}

.site-header__mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  transition: opacity 0.2s ease;
}

.site-header__mobile-nav-close:hover {
  opacity: 0.7;
}

.site-header__mobile-nav-close span {
  display: block;
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-blue-grey02);
}

.site-header__mobile-nav-close span:first-child {
  transform: rotate(45deg);
}

.site-header__mobile-nav-close span:last-child {
  transform: rotate(-45deg);
}

.site-header__mobile-nav-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 0 var(--container-padding-x-sp) 32px;
  overflow-y: auto;
}

/* Mobile CTA Buttons (top of menu) */
.site-header__mobile-nav-buttons {
  display: flex;
  gap: 12px;
  padding-bottom: 24px;
}

.site-header__mobile-nav-buttons .site-header__btn {
  flex: 1;
  height: 50px;
}

/* Mobile Category Navigation */
.site-header__mobile-nav-sections {
  flex-grow: 1;
}

.site-header__mobile-nav-section {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-blue-grey);
}

.site-header__mobile-nav-title {
  display: block;
  font-family: var(--font-family-en, "Montserrat", sans-serif);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-blue01);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 12px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a.site-header__mobile-nav-title:hover {
  opacity: 0.5;
}

.site-header__mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__mobile-nav-list li {
  margin: 0;
}

.site-header__mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  font-weight: 500;
  font-size: 15px;
  color: var(--color-blue01);
  line-height: 1.5;
  text-decoration: none;
  border-bottom: none;
  transition: opacity 0.2s ease;
}

.site-header__mobile-nav-link::after {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-top: 1.5px solid var(--color-blue-grey02);
  border-right: 1.5px solid var(--color-blue-grey02);
  transform: rotate(45deg);
  flex-shrink: 0;
  margin-left: 8px;
}

.site-header__mobile-nav-link:hover {
  color: var(--color-blue01);
  opacity: 0.7;
}


/* ==========================================================================
   Responsive - Site Header
   ========================================================================== */
@media screen and (max-width: 1200px) {
  .site-header {
    height: var(--header-height-sp);
  }

  .site-header__inner {
    padding: 0 var(--container-padding-x-sp);
  }

  .site-header__branding {
    gap: 0;
  }

  .site-header__nav,
  .site-header__actions {
    display: none;
  }

  .site-header__menu-btn {
    display: flex;
  }

  .site-header__logo-svg {
    width: 110px;
  }
}

@media screen and (max-width: 768px) {
  .site-header__mobile-nav-panel {
    width: 100%;
    box-shadow: none;
  }

  .site-header__mobile-nav.is-open {
    background-color: transparent;
  }
}