/* ------------------------------ */
/* component: header */
/* ------------------------------ */
.header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: transparent;
  border-bottom: none;
}

.header__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 20px 50px;
  box-sizing: border-box;
}

.header__logoImage {
  width: 220px;
  height: auto;
}

.header__navList {
  display: flex;
  justify-content: flex-end;
  gap: 28px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 0.06em;
}

.header__navItem {
  position: relative;
}

.header__navLink {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 2px;
}

.header__navLink--hasDropdown::after {
  content: "";
  width: 10px;
  height: 10px;
  display: inline-block;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5 6 7.5 9 4.5' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
    center / contain no-repeat;
  -webkit-mask: url(\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5 6 7.5 9 4.5' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E\")
    center / contain no-repeat;
}

.headerDropdown {
  position: absolute;
  top: calc(100%);
  left: 50%;
  transform: translateX(-50%);
  min-width: 320px;
  padding: 10px 0;
  background: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
  z-index: 20;
}

.headerDropdown__item {
  margin: 0;
}

.headerDropdown__link {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  font-family: var(--font-sans);
  font-weight: 500;
  white-space: nowrap;
}

.headerDropdown__link:hover,
.headerDropdown__link:focus-visible {
  background: rgba(201, 213, 213, 0.35);
}

.header__navItem--dropdown:hover .headerDropdown,
.header__navItem--dropdown:focus-within .headerDropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.header__navItem--dropdown:hover > .header__navLink--hasDropdown::after,
.header__navItem--dropdown:focus-within > .header__navLink--hasDropdown::after {
  transform: rotate(180deg);
}

/* ------------------------------ */
/* header: subpage variant */
/* ------------------------------ */
.page--download .header {
  position: relative;
  background: var(--color-white);
}

.page--download .header__logoImage {
  width: 250px;
}

.page--download .header__navList {
  font-size: 14px;
}

@media (max-width: 768px) and (min-width: 99999px) {
  /* ↑ responsive 一時 OFF */
  .header__inner {
    padding-left: 20px;
    padding-right: 20px;
  }
}