/* グローバルナビ（フロントページ） */

.site-nav {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 50;
	width: 100%;
	padding: 1rem;
}

@media (min-width: 640px) {
	.site-nav {
		padding: 1.5rem;
	}
}

.site-nav__shell {
	position: relative;
	max-width: var(--layout-max);
	margin-left: auto;
	margin-right: auto;
	padding: 0rem 1rem 0 1rem;
	background: rgba(255, 255, 255, 0.7);
	backdrop-filter: blur(24px);
	-webkit-backdrop-filter: blur(24px);
	border-radius: 2rem;
	box-shadow: 0 20px 40px rgba(90, 185, 209, 0.08);
}

@media (min-width: 871px) {
	.site-nav__shell {
		border-radius: 9999px;
		padding-left: 2.5rem;
		padding-right: 2.5rem;
		padding-bottom: 0;
		min-height: 5rem;
		display: flex;
		flex-direction: column;
		justify-content: center;
	}
}

.site-nav__bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem 0;
	min-height: 4rem;
}

@media (min-width: 871px) {
	.site-nav__bar {
		min-height: 5rem;
		flex-wrap: nowrap;
	}
}

.site-nav__brand {
	font-family: var(--font-family-accent);
	font-size: 1.25rem;
	font-weight: var(--font-weight-extrabold);
	color: var(--color-main);
	letter-spacing: -0.025em;
	text-transform: uppercase;
	text-decoration: none;
}

.site-nav__brand:hover {
	color: var(--color-main-deep);
}

.site-nav__brand:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 4px;
}

@media (min-width: 640px) {
	.site-nav__brand {
		font-size: 1.5rem;
	}
}

.site-nav__menu-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.75rem;
	height: 2.75rem;
	border-radius: 9999px;
	border: 1px solid rgba(226, 232, 240, 0.8);
	background: rgba(255, 255, 255, 0.9);
	color: var(--color-text-heading);
	cursor: pointer;
	flex-shrink: 0;
	position: relative;
	z-index: 10;
}

@media (min-width: 871px) {
	.site-nav__menu-btn {
		display: none;
	}
}

.site-nav__bars {
	display: flex;
	flex-direction: column;
	gap: 0.375rem;
	width: 1.25rem;
}

.site-nav__bars span {
	display: block;
	height: 2px;
	width: 100%;
	background: currentColor;
	border-radius: 9999px;
}

.site-nav__close-icon {
	display: none;
	font-size: 1.5rem;
	line-height: var(--line-height-solid);
	font-weight: var(--font-weight-light);
	padding-bottom: 2px;
}

#mobile-nav-toggle:checked ~ .site-nav__bar .site-nav__bars {
	display: none;
}

#mobile-nav-toggle:checked ~ .site-nav__bar .site-nav__close-icon {
	display: inline;
}

.site-nav__menu--desktop {
	display: none;
	align-items: center;
	gap: 1.5rem;
	margin-left: auto;
	font-size: 11px;
	font-weight: var(--font-weight-bold);
	letter-spacing: 0.2em;
}

@media (min-width: 1024px) {
	.site-nav__menu--desktop {
		gap: 2.5rem;
	}
}

@media (min-width: 871px) {
	.site-nav__menu--desktop {
		display: flex;
	}
}

.site-nav__link {
	text-decoration: none;
	color: var(--color-text-heading);
	transition: color 0.2s ease;
	font-size: var(--font-size-menu);
}

.site-nav__link:hover {
	color: var(--color-main);
}

.site-nav__cta {
	display: inline-block;
	padding: 0.75rem 2rem;
	background: var(--color-main);
	color: var(--color-white);
	border-radius: 9999px;
	text-decoration: none;
	font-size: 11px;
	font-weight: var(--font-weight-bold);
	letter-spacing: 0.2em;
}

.site-nav__drawer {
	display: flex;
	flex-direction: column;
	width: 100%;
	box-sizing: border-box;
	max-height: 0;
	opacity: 0;
	overflow: hidden;
	visibility: hidden;
	pointer-events: none;
	transform: translateY(-0.5rem);
	padding-top: 0;
	padding-bottom: 0;
	padding-left: 1rem;
	padding-right: 1rem;
	border-top: 1px solid transparent;
	margin-left: -1rem;
	margin-right: -1rem;
	transition:
		max-height 0.75s cubic-bezier(0.33, 1, 0.68, 1),
		opacity 0.58s ease,
		transform 0.68s cubic-bezier(0.33, 1, 0.68, 1),
		visibility 0.58s,
		padding-bottom 0.55s ease,
		border-top-color 0.45s ease;
}

@media (min-width: 640px) {
	.site-nav__drawer {
		margin-left: -2rem;
		margin-right: -2rem;
		padding-left: 2rem;
		padding-right: 2rem;
	}
}

@media (min-width: 871px) {
	.site-nav__drawer {
		display: none !important;
		margin: 0;
		padding: 0;
		border: 0;
		max-height: none;
		opacity: 0;
		transition: none;
	}
}

#mobile-nav-toggle:checked ~ .site-nav__drawer {
	max-height: min(90vh, 36rem);
	overflow-x: hidden;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateY(0);
	padding-bottom: 1rem;
	border-top-color: rgba(241, 245, 249, 0.8);
}

@media (prefers-reduced-motion: reduce) {
	.site-nav__drawer {
		transition-duration: 0.01ms;
	}
}

.site-nav__drawer-link {
	display: block;
	padding: 0.75rem;
	text-align: center;
	font-size: 11px;
	font-weight: var(--font-weight-bold);
	letter-spacing: 0.2em;
	color: inherit;
	text-decoration: none;
	border-bottom: 1px solid var(--color-border-light);
	transition: color 0.2s ease;
}

.site-nav__drawer-link:hover {
	color: var(--color-main);
}

.site-nav__drawer-cta {
	margin-top: 0.75rem;
	margin-left: auto;
	margin-right: auto;
	padding: 0.75rem 2rem;
	background: var(--color-main);
	color: var(--color-white);
	border-radius: 9999px;
	text-decoration: none;
	font-size: 11px;
	font-weight: var(--font-weight-bold);
	letter-spacing: 0.2em;
	text-align: center;
}