/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(0,91,172,.06);
}

.site-header .container {
  max-width: 1280px;
  padding: 0;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

.site-logo img {
  height: 30px;
  width: auto;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo__sub {
  font-size: .625rem;
  font-weight: var(--fw-medium);
  letter-spacing: .12em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

/* Desktop nav */
.global-nav {
  display: none;
}

.global-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.global-nav__link {
  display: block;
  padding: 6px 14px;
  font-size: .875rem;
  font-weight: var(--fw-medium);
  color: var(--color-text-mid);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.global-nav__link:hover,
.global-nav__link.current-menu-item {
  color: var(--color-primary);
  background: rgba(0,91,172,.06);
}

.header-cta {
  display: none;
}

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle:hover { background: var(--color-bg-light); }

.nav-toggle__bar {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
  transform-origin: center;
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-white);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  overflow-y: auto;
  padding: 32px var(--container-pad) 100px;
}

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

.mobile-menu__nav li { border-bottom: 1px solid var(--color-border); }

.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 4px;
  font-size: 1rem;
  font-weight: var(--fw-medium);
  color: var(--color-text);
}

.mobile-menu__link::after {
  content: '›';
  font-size: 1.25rem;
  color: var(--color-text-light);
}

.mobile-menu__cta {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 固定LINEリンク */
.fixed-line-link {
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 998;
}

.fixed-line-link a {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  background: transparent;
  transition: opacity 0.3s ease;
}

.fixed-line-link a:hover {
  opacity: 0.8;
}

.fixed-line-link img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.fixed-line-link span {
  font-size: 0.875rem;
  font-weight: 600;
  color: #06C755;
  text-shadow: 1px 1px 2px rgba(255,255,255,0.8);
}

@media (max-width: 768px) {
  .fixed-line-link {
    top: 90px;
    right: 10px;
  }
  .fixed-line-link span {
    font-size: 0.75rem;
  }
  .fixed-line-link img {
    width: 28px;
    height: 28px;
  }
}