/* ==========================================================================
   Component: Nav
   ========================================================================== */

.c-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.c-nav__link,
.c-nav__list a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .c-nav__link,
  .c-nav__list a {
    font-size: 12px;
  }
}

/* ホバー：文字ウェーブ */
.c-nav__link--wave .screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.c-nav__wave {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: inherit;
}

.c-nav__char {
  display: inline-block;
  transition:
    transform 0.42s cubic-bezier(0.33, 1, 0.68, 1),
    color 0.42s cubic-bezier(0.33, 1, 0.68, 1);
  transition-delay: calc(var(--i) * 0.045s);
  will-change: transform;
}

@media (hover: hover) {
  .c-nav__link--wave:hover .c-nav__char,
  .c-nav__link--wave:focus-visible .c-nav__char {
    transform: translateY(-0.28em);
  }

  .l-header__nav .c-nav__link--wave:hover .c-nav__label-en .c-nav__char,
  .l-header__nav .c-nav__link--wave:focus-visible .c-nav__label-en .c-nav__char {
    color: var(--color-primary-dark);
  }

  .l-header__nav .c-nav__link--wave:hover .c-nav__label-ja .c-nav__char,
  .l-header__nav .c-nav__link--wave:focus-visible .c-nav__label-ja .c-nav__char {
    color: var(--color-primary);
  }

  .c-nav--footer .c-nav__link--wave:hover .c-nav__char,
  .c-nav--footer .c-nav__link--wave:focus-visible .c-nav__char {
    color: var(--color-primary-dark);
  }

  .c-nav--drawer .c-nav__link--wave:hover .c-nav__char,
  .c-nav--drawer .c-nav__link--wave:focus-visible .c-nav__char {
    color: var(--color-primary-dark);
  }
}

@media (prefers-reduced-motion: reduce) {
  .c-nav__char {
    transition: none;
  }

  .c-nav__link--wave:hover .c-nav__char,
  .c-nav__link--wave:focus-visible .c-nav__char {
    transform: none;
  }
}

/* Header: 英字 + 日本語（説明） */
.l-header__nav .c-nav__list {
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0;
}

.l-header__nav .c-nav__item {
  flex: 0 1 auto;
}

.l-header__nav .c-nav__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  padding: 10px clamp(10px, 1.4vw, 18px);
  text-transform: none;
  letter-spacing: normal;
  text-align: center;
}

/* .l-header__nav .c-nav__link:hover {
  opacity: 1;
} */

.l-header__nav .c-nav__label-en {
  display: block;
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.l-header__nav .c-nav__label-en .c-nav__wave {
  justify-content: center;
}

.l-header__nav .c-nav__label-ja {
  display: block;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.l-header__nav .c-nav__label-ja .c-nav__wave {
  justify-content: center;
}

.l-header__nav .c-nav__label-ja .c-nav__char {
  transition-delay: calc(var(--i) * 0.04s + 0.06s);
}

@media (min-width: 1200px) {
  .l-header__nav .c-nav__label-ja {
    font-size: 11px;
  }
}

/* Drawer */
.c-nav--drawer .c-nav__list {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.c-nav--drawer .c-nav__item {
  border-bottom: 1px solid rgba(118, 199, 192, 0.12);
}

.c-nav--drawer .c-nav__link {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-xs) 0;
  text-transform: none;
  letter-spacing: normal;
}

.c-nav--drawer .c-nav__label-en {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
}

.c-nav--drawer .c-nav__label-ja {
  font-size: 12px;
  color: var(--color-text-muted);
}

.c-nav--drawer .c-nav__label-en .c-nav__wave {
  justify-content: flex-start;
}

/* Footer: 英字 + 日本語（ヘッダーと同様） */
.c-nav--footer .c-nav__list {
  justify-content: flex-start;
  gap: var(--space-md) var(--space-lg);
}

@media (min-width: 768px) {
  .c-nav--footer .c-nav__list {
    justify-content: flex-end;
    gap: var(--space-sm) clamp(20px, 3vw, 40px);
  }
}

.c-nav--footer .c-nav__link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 4px 0;
  text-transform: none;
  letter-spacing: normal;
}

@media (min-width: 768px) {
  .c-nav--footer .c-nav__link {
    align-items: center;
    text-align: center;
  }
}

.c-nav--footer .c-nav__label-en {
  font-size: clamp(13px, 1.4vw, 15px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.c-nav--footer .c-nav__label-ja {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

@media (min-width: 768px) {
  .c-nav--footer .c-nav__label-ja {
    font-size: 11px;
  }
}

/* Submenu: common */
.c-nav__sublist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.c-nav__link--child {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--color-text);
}

.c-nav__subtoggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius-circle);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.c-nav__subtoggle-icon {
  display: block;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--color-primary-dark);
  border-bottom: 1.5px solid var(--color-primary-dark);
  transform: rotate(45deg);
  transition: transform var(--transition-base);
}

.c-nav__item.is-sub-open > .c-nav__subtoggle .c-nav__subtoggle-icon {
  transform: rotate(-135deg);
}

/* Header PC: dropdown */
@media (min-width: 1024px) {
  .l-header__menu,
  .l-header__nav {
    overflow: visible;
  }

  .l-header__nav .c-nav__item--has-children {
    position: relative;
  }

  .l-header__nav .c-nav__sublist {
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    z-index: 10;
    min-width: 200px;
    padding: 8px 0;
    border-radius: 8px;
    box-shadow: 0 8px 28px rgba(51, 51, 51, 0.12);
    background-color: var(--color-white);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 6px);
    transition:
      opacity var(--transition-base),
      visibility var(--transition-base),
      transform var(--transition-base);
  }

  .l-header__nav .c-nav__item--has-children:hover > .c-nav__sublist,
  .l-header__nav .c-nav__item--has-children:focus-within > .c-nav__sublist {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
  }

  .l-header__nav .c-nav__sublist .c-nav__item {
    border: none;
  }

  .l-header__nav .c-nav__sublist .c-nav__link {
    display: block;
    padding: 10px 18px;
    text-align: left;
    white-space: nowrap;
  }

  .l-header__nav .c-nav__sublist .c-nav__link:hover {
    background-color: rgba(118, 199, 192, 0.1);
  }
}

/* Drawer: サブメニューは非表示（提供サービスはメガメニューのみ） */
.c-nav--drawer .c-nav__subtoggle,
.c-nav--drawer .c-nav__sublist {
  display: none !important;
}

/* Footer: stacked submenu */
.c-nav--footer .c-nav__item--has-children {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
}

@media (min-width: 768px) {
  .c-nav--footer .c-nav__item--has-children {
    align-items: center;
  }
}

.c-nav--footer .c-nav__sublist {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding-left: 0;
}

.c-nav--footer .c-nav__sublist .c-nav__link {
  padding: 2px 0;
  font-size: 12px;
  opacity: 0.85;
}

.c-nav--footer .c-nav__sublist .c-nav__link:hover {
  opacity: 1;
}

/* Service mega menu */
.c-nav__item--mega {
  position: relative;
}

.c-nav__mega {
  list-style: none;
}

.c-nav__mega-inner {
  width: 90vw;
}

.c-nav__mega-list {
  display: grid;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.c-nav__mega-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: 4px;
  background-color: var(--color-white);
  box-shadow: 0 8px 32px rgba(51, 51, 51, 0.06);
  color: inherit;
  text-decoration: none;
  transition: box-shadow var(--transition-base);
}

@media (hover: hover) {
  .c-nav__mega-link:hover {
    box-shadow: 0 12px 40px rgba(51, 51, 51, 0.1);
  }
}

.c-nav__mega-visual {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #f8fcfb 0%, #e8f3f1 100%);
}

.c-nav__mega-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (hover: hover) {
  .c-nav__mega-link:hover .c-nav__mega-img {
    transform: scale(1.06);
  }
}

.c-nav__mega-title {
  display: block;
  padding: var(--space-sm) var(--space-md) var(--space-sm);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.06em;
  color: var(--color-primary-dark);
  text-align: center;
  text-transform:capitalize; 
}

/* Header PC: full-width mega panel on hover */
@media (min-width: 1024px) {
  .l-header__nav .c-nav__item--mega > .c-nav__subtoggle {
    display: none;
  }

  .l-header__nav .c-nav__mega {
    position: fixed;
    top: calc(var(--wp-admin-bar-height) + var(--header-height-pc));
    right: 0;
    z-index: calc(var(--z-header) - 1);
    padding: var(--space-md) 0 var(--space-md);
    box-shadow: var(--shadow-header-nav);
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px);
    transition:
      opacity var(--transition-base),
      visibility var(--transition-base),
      transform var(--transition-base);
  }

  /* body.has-header-catchcopy .l-header__nav .c-nav__mega {
    top: calc(var(--wp-admin-bar-height) + var(--header-catchcopy-height-pc) + var(--header-height-pc));
  } */

  .l-header__nav .c-nav__mega-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(16px, 2vw, 28px);
  }

  .l-header__nav .c-nav__item--mega:hover > .c-nav__mega,
  .l-header__nav .c-nav__item--mega:focus-within > .c-nav__mega,
  .l-header__nav .c-nav__mega:hover {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* ナビ項目からパネルへマウス移動用のブリッジ */
  .l-header__nav .c-nav__item--mega::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 1;
    width: 120%;
    height: 14px;
    transform: translateX(-50%);
  }
}

/* Drawer: 提供サービス下に 2列×2行のサムネ＋タイトル */
.c-nav--drawer .c-nav__item--mega {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: start;
}

.c-nav--drawer .c-nav__item--mega > .c-nav__link {
  grid-column: 1;
  grid-row: 1;
}

.c-nav--drawer .c-nav__item--mega > .c-nav__mega {
  display: block;
  grid-column: 1;
  grid-row: 2;
  width: 100%;
  padding: var(--space-sm) 0 var(--space-md);
}

.c-nav--drawer .c-nav__mega-inner {
  width: 100%;
  max-width: none;
  padding-inline: 0;
}

.c-nav--drawer .c-nav__mega-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.c-nav--drawer .c-nav__mega-link {
  border-radius: 2px;
  box-shadow: 0 4px 16px rgba(51, 51, 51, 0.06);
}

.c-nav--drawer .c-nav__mega-visual {
  aspect-ratio: 16 / 10;
}

.c-nav--drawer .c-nav__mega-title {
  padding: 8px 6px 10px;
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .l-header__nav .c-nav__mega {
    transition: none;
  }

  .c-nav__mega-img {
    transition: none;
  }
}