/*
 * Blanky Work – Header / Navigation
 *
 * @package blanky-work
 */

/* --------------------------------------------------
   Header Bar
-------------------------------------------------- */
.work-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	padding: 1.5rem 2.5rem;
	background: rgba(248, 248, 246, 0.82);
	-webkit-backdrop-filter: blur(12px);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--work-border-gold);
}

.work-header-inner {
	gap: 2rem;
}

/* --------------------------------------------------
   Brand / Logo
-------------------------------------------------- */
.work-header-brand {
	gap: 0.75rem;
}

.work-header-logo-mark {
	font-family: var(--work-font-serif);
	font-style: italic;
	font-size: 1.75rem;
	color: var(--work-muted-gold-text);
	font-weight: 300;
	line-height: 1;
}

.work-header-site-title {
	font-size: 1rem;
	font-weight: 600;
	letter-spacing: 0.22em;
	text-transform: uppercase;
}

.work-header-site-title a {
	text-decoration: none;
	color: var(--work-deep-navy);
}

/* --------------------------------------------------
   Navigation (wp:navigation)
-------------------------------------------------- */
.work-nav {
	font-size: 0.75rem;
}

.work-nav .wp-block-navigation__container {
	gap: 3rem;
}

.work-nav .wp-block-navigation-item__content {
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	transition: color 0.25s;
}

.work-nav .wp-block-navigation-item__content:hover {
	color: var(--work-muted-gold);
}

.work-nav .wp-block-navigation__responsive-container-open {
	display: none;
}

/* --------------------------------------------------
   Actions (language + contact)
-------------------------------------------------- */
.work-header-actions {
	gap: 2rem;
}

.work-header-lang {
	display: none;
	gap: 0.5rem;
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.2em;
}

.work-header-lang-btn {
	background: none;
	border: none;
	font-family: var(--work-font-sans);
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	cursor: pointer;
	padding: 0.25rem 0;
	color: var(--work-deep-navy);
	opacity: 0.6;
	transition: opacity 0.25s;
}

.work-header-lang-btn.active {
	opacity: 1;
	border-bottom: 1px solid var(--work-deep-navy);
}

.work-header-lang-btn:hover {
	opacity: 0.8;
}

.work-header-contact-btn {
	display: inline-block;
	padding: 0.7rem 2rem;
	border: 1px solid var(--work-deep-navy);
	font-family: var(--work-font-sans);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.3em;
	text-transform: uppercase;
	text-decoration: none;
	color: var(--work-deep-navy);
	transition: background 0.3s, color 0.3s;
}

.work-header-contact-btn:hover {
	background: var(--work-deep-navy);
	color: var(--work-white);
}

/* --------------------------------------------------
   Mobile Navigation Overlay
-------------------------------------------------- */

/* オーバーレイ全体 — ディープネイビーで高級感を演出 */
.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open {
	position: fixed;
	inset: 0;
	z-index: 200;
	padding: 7rem 2.5rem 3rem;
	background-color: var(--work-deep-navy);
	display: flex;
	flex-direction: column;
	min-height: 100dvh;
	min-height: 100vh; /* fallback */
	overflow-y: auto;
}

/* ゴールドのアクセントライン — 上部装飾 */
.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: linear-gradient(to right, transparent, var(--work-muted-gold), transparent);
}

/* メニューアイテムの縦並び */
.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-content {
	display: flex;
	flex-direction: column;
	gap: 0;
	align-items: flex-start;
	flex: 1;
}

/* 各ナビリンク */
.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item {
	width: 100%;
	border-bottom: 1px solid rgba(184, 156, 111, 0.15);
}

.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item:first-child {
	border-top: 1px solid rgba(184, 156, 111, 0.15);
}

.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content {
	display: flex;
	align-items: center;
	gap: 1rem;
	width: 100%;
	padding: 1.4rem 0;
	font-family: var(--work-font-sans);
	font-size: 0.7rem;
	font-weight: 600;
	letter-spacing: 0.35em;
	text-transform: uppercase;
	color: rgba(248, 248, 246, 0.85);
	text-decoration: none;
	transition: color 0.25s, padding-left 0.25s;
}

/* ゴールドドット装飾 */
.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content::before {
	content: '';
	width: 0.25rem;
	height: 0.25rem;
	border-radius: 50%;
	background: var(--work-muted-gold);
	flex-shrink: 0;
	opacity: 0;
	transition: opacity 0.25s;
}

.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content:hover {
	color: var(--work-off-white);
	padding-left: 0.5rem;
}

.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content:hover::before {
	opacity: 1;
}

/* 閉じるボタン */
.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-close {
	position: absolute;
	top: 1.5rem;
	right: 1.5rem;
	background: none;
	border: 1px solid rgba(184, 156, 111, 0.4);
	color: var(--work-off-white);
	width: 2.5rem;
	height: 2.5rem;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: border-color 0.25s, background-color 0.25s;
}

.wp-block-group.work-header .work-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-close:hover {
	background-color: rgba(184, 156, 111, 0.15);
	border-color: var(--work-muted-gold);
}

/* --------------------------------------------------
   Responsive
-------------------------------------------------- */
@media (max-width: 767px) {
	.work-header {
		padding: 1rem;
		flex-wrap: wrap;
	}

	.work-header-logo-mark {
		font-size: 1.4rem;
	}

	.work-header-site-title {
		font-size: 0.75rem;
		letter-spacing: 0.12em;
	}

	.work-header-contact-btn {
		padding: 0.55rem 1rem;
		font-size: 0.75rem;
		letter-spacing: 0.15em;
		white-space: nowrap;
	}

	.work-nav .wp-block-navigation__responsive-container-open {
		display: flex;
	}

	.work-nav .wp-block-navigation__responsive-container:not(.is-menu-open) {
		display: none;
	}
}

@media (min-width: 768px) {
	.work-header-lang {
		display: flex;
	}
}

@media (min-width: 1024px) {
	.work-header {
		padding: 1.5rem 4rem;
	}
}