:root {
	--card-max-width: 100%;
	--card-height: 65px;
	--card-height-mobile: 64px;
	--card-gap-top: 25px;
	--card-gap-top-mobile: 10px;
	--card-gap-side: 25px;
	--card-gap-side-mobile: 10px;
	--card-radius: 8px;
	--card-radius-mobile: 8px;

	--header-card-bg-1: #0d1b3a;
	--header-card-bg-2: #223a6e;
	--header-card-bg-3: #16264c;
	--header-border: rgba(255, 255, 255, 0.18);
	--header-text: #f5f6fb;
	--header-text-dim: rgba(245, 246, 251, 0.82);
	--header-accent: #d8c48a;
	--btn-contact-bg: #cfd3e6;
	--btn-contact-text: #17223f;
	--btn-contact-bg-hover: #e3e5f2;
	--overlay-bg: rgba(6, 10, 22, 0.6);
	--mobile-menu-width: 280px;
	--z-header: 1000;
	--z-overlay: 999;

	--menu-yellow: #f5d949;
	--menu-yellow-text: #17223f;

	--glass-gradient:
		linear-gradient(120deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0) 32%),
		linear-gradient(150deg, rgba(13, 27, 58, 0.74) 0%, rgba(22, 38, 76, 0.7) 100%);
	--glass-blur: blur(18px) saturate(180%);

	--header-offset: calc(var(--card-gap-top) + var(--card-height));
	--header-offset-mobile: calc(var(--card-gap-top-mobile) + var(--card-height-mobile));
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

body {
	margin: 0;
}

body {
	padding-top: var(--header-offset);
}

.my-custom-header {
	position: fixed;
	top: var(--card-gap-top);
	left: 0 !important;
	right: 0 !important;
	width: 100% !important;
	margin: 0 !important;
	z-index: var(--z-header);
	display: flex;
	justify-content: center;
	padding-inline: var(--card-gap-side) !important;
	pointer-events: none;
	font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

.my-custom-header .header-inner,
.my-custom-header .nav-toggle,
.my-custom-header .site-nav {
	pointer-events: auto;
}

.header-inner {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100% !important;
	max-width: var(--card-max-width) !important;
	margin: 0 !important;
	height: var(--card-height);
	padding-inline: 32px;
	border-radius: var(--card-radius) !important;
	box-shadow:
		0 12px 32px rgba(6, 10, 25, 0.35),
		0 0 0 0.5px var(--header-border);
}

.header-inner::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	border-radius: inherit;
	background: var(--glass-gradient);
	-webkit-backdrop-filter: var(--glass-blur);
	backdrop-filter: var(--glass-blur);
	transition: opacity 0.25s ease;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
	.header-inner::before {
		background: linear-gradient(135deg, var(--header-card-bg-1) 0%, var(--header-card-bg-2) 55%, var(--header-card-bg-3) 100%);
	}
}

.site-logo {
	min-width: 0;
}

.logo-title {
	margin: 0;
	font-size: 1.7rem;
	line-height: 1.2;
}

.logo-title a {
	display: inline-flex;
	align-items: center;
	color: var(--header-text);
	text-decoration: none;
	white-space: nowrap;
}

.logo-title img {
	display: block;
	width: auto;
	height: 40px;
	max-width: 100%;
}

@media (max-width: 960px) {
	.logo-title img {
		height: 32px;
	}
}

.site-nav > ul {
	display: flex;
	align-items: center;
	gap: 4px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-nav li {
	position: relative;
}

.site-nav a {
	position: relative;
	display: block;
	padding: 10px 18px;
	color: var(--header-text-dim);
	text-decoration: none;
	font-size: 0.9rem;
	font-weight: 500;
	white-space: nowrap;
	letter-spacing: 0.02em;
	transition: color 0.2s ease;
}

.site-nav a::after {
	content: "";
	position: absolute;
	left: 18px;
	right: 18px;
	bottom: 6px;
	height: 1px;
	background: var(--menu-yellow);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
	color: var(--header-text);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
	transform: scaleX(1);
}

.site-nav li.menu-item-has-children {
	position: relative;
}

.site-nav li.menu-item-has-children > a {
	cursor: pointer;
}

.site-nav li.menu-item-has-children > a::after {
	all: unset;
	content: "+";
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin-left: 8px;
	font-size: 1.05rem;
	font-weight: 600;
	line-height: 1;
	color: currentColor;
	vertical-align: middle;
}

@media (min-width: 961px) {
	.site-nav li.menu-item-has-children:hover > a::after,
	.site-nav li.menu-item-has-children:focus-within > a::after {
		content: "−";
	}
}

.site-nav .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	margin: 14px 0 0;
	padding: 10px 0;
	min-width: 220px;
	list-style: none;
	border-radius: 12px;
	border: 1px solid var(--header-border);
	background: var(--glass-gradient);
	-webkit-backdrop-filter: var(--glass-blur);
	backdrop-filter: var(--glass-blur);
	box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}

@media (min-width: 961px) {
	.site-nav li.menu-item-has-children:hover > .sub-menu,
	.site-nav li.menu-item-has-children:focus-within > .sub-menu {
		opacity: 1;
		visibility: visible;
		transform: translateY(0);
	}
}

.site-nav .sub-menu a {
	padding: 10px 22px;
	font-size: 0.85rem;
}

.site-nav .sub-menu a::after {
	display: none;
}

.site-nav li.has-mega {
	position: static;
}

.site-nav .sub-menu--mega {
	display: flex;
	align-items: stretch;
	gap: 36px;
	padding: 30px 34px;
	left: auto;
	right: 0;
	min-width: 640px;
	max-width: min(720px, calc(100vw - 48px));
}

.sub-menu__intro {
	display: flex;
	flex-direction: column;
	justify-content: center;
	flex: 0 0 auto;
	width: 168px;
	padding-right: 28px;
}

.sub-menu__eyebrow {
	margin: 0 0 8px;
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.14em;
	color: var(--menu-yellow);
}

.sub-menu__heading {
	margin: 0 0 22px;
	font-size: 1.4rem;
	font-weight: 900;
	font-style: normal;
	display: inline-block;
	transform: scaleX(1.2);
	transform-origin: left center;
	letter-spacing: 0.025em;
	line-height: 1.25;
	color: var(--header-text);
}

.site-nav .sub-menu--mega .sub-menu__top-link {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	padding: 0;
	font-size: 0.82rem;
	font-weight: 600;
	color: var(--header-text-dim);
	white-space: nowrap;
}

.site-nav .sub-menu--mega .sub-menu__top-link:hover,
.site-nav .sub-menu--mega .sub-menu__top-link:focus-visible {
	color: var(--header-text);
}

.sub-menu__top-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 30px;
	height: 30px;
	flex-shrink: 0;
	border-radius: 5px;
	background: transparent;
	border: 1px solid transparent;
	color: var(--header-text);
	font-size: 0.95rem;
	line-height: 1;
	transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.site-nav .sub-menu--mega .sub-menu__top-link:hover .sub-menu__top-icon,
.site-nav .sub-menu--mega .sub-menu__top-link:focus-visible .sub-menu__top-icon {
	background: var(--menu-yellow);
	border-color: var(--menu-yellow);
	color: var(--menu-yellow-text);
}

.sub-menu__arrow {
	display: inline-block;
	transition: transform 0.2s ease;
}

.sub-menu__cards {
	display: flex;
	flex: 1 1 auto;
	gap: 20px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.sub-menu__card {
	width: 170px;
}

.site-nav .sub-menu--mega .sub-menu__card a {
	display: flex;
	flex-direction: column;
	gap: 12px;
	padding: 0;
	font-size: 0.82rem;
	color: var(--header-text-dim);
}

.sub-menu__card-img {
	display: block;
	overflow: hidden;
	width: 100%;
	aspect-ratio: 5 / 3;
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.08);
}

.sub-menu__card-img img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.35s ease;
}

.sub-menu__card-label {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-weight: 600;
	line-height: 1.4;
	color: var(--header-text-dim);
	white-space: normal;
}

.site-nav .sub-menu--mega .sub-menu__card a:hover .sub-menu__card-img img,
.site-nav .sub-menu--mega .sub-menu__card a:focus-visible .sub-menu__card-img img {
	transform: scale(1.06);
}

.site-nav .sub-menu--mega .sub-menu__card a:hover .sub-menu__card-label,
.site-nav .sub-menu--mega .sub-menu__card a:focus-visible .sub-menu__card-label {
	color: var(--header-text);
}

.site-nav .sub-menu--mega .sub-menu__card a:hover .sub-menu__arrow,
.site-nav .sub-menu--mega .sub-menu__card a:focus-visible .sub-menu__arrow {
	transform: translateX(3px);
}

.site-nav a.btn-contact {
	margin-left: 12px;
	padding: 10px 24px;
	background: var(--btn-contact-bg);
	color: var(--btn-contact-text);
	border-radius: 8px;
	font-weight: 700;
}

.site-nav a.btn-contact::after {
	display: none;
}

.site-nav a.btn-contact:hover,
.site-nav a.btn-contact:focus-visible {
	background: var(--btn-contact-bg-hover);
	color: var(--btn-contact-text);
}

.nav-link-icon {
	display: none;
}

.nav-toggle {
	display: none;
	align-items: center;
	gap: 10px;
	background: var(--glass-gradient);
	-webkit-backdrop-filter: var(--glass-blur);
	backdrop-filter: var(--glass-blur);
	border: 1px solid var(--header-border);
	border-radius: 10px;
	cursor: pointer;
	padding: 9px 14px;
	color: var(--header-text);
	font-family: inherit;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
	.nav-toggle {
		background: linear-gradient(135deg, var(--header-card-bg-1) 0%, var(--header-card-bg-2) 55%, var(--header-card-bg-3) 100%);
	}
}

.nav-toggle__label {
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.08em;
}

.nav-toggle__label-close {
	display: none;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__label-open {
	display: none;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__label-close {
	display: inline;
}

.nav-toggle__box {
	position: relative;
	display: inline-block;
	width: 20px;
	height: 15px;
	flex-shrink: 0;
}

.nav-toggle__inner,
.nav-toggle__inner::before,
.nav-toggle__inner::after {
	position: absolute;
	left: 0;
	width: 100%;
	height: 2px;
	background-color: var(--header-text);
	border-radius: 2px;
	transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}

.nav-toggle__inner {
	top: 6px;
}
.nav-toggle__inner::before {
	content: "";
	top: -6px;
}
.nav-toggle__inner::after {
	content: "";
	top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__inner {
	background-color: transparent;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__inner::before {
	top: 0;
	transform: rotate(45deg);
	background-color: var(--header-accent);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__inner::after {
	top: 0;
	transform: rotate(-45deg);
	background-color: var(--header-accent);
}

.nav-overlay {
	position: fixed;
	inset: 0;
	z-index: var(--z-overlay);
	background: var(--overlay-bg);
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s ease, visibility 0.3s ease;
}
.nav-overlay.is-visible {
	opacity: 1;
	visibility: visible;
}

@media (max-width: 960px) {

	body {
		padding-top: var(--header-offset-mobile);
	}

	.my-custom-header {
		top: var(--card-gap-top-mobile);
		padding-inline: var(--card-gap-side-mobile) !important;
	}

	.header-inner {
		height: var(--card-height-mobile);
		padding-inline: 16px;
		border-radius: var(--card-radius-mobile) !important;
		transition: max-width 0.25s ease, box-shadow 0.25s ease;
	}

	.my-custom-header.is-scrolled {
		justify-content: flex-end;
	}

	.my-custom-header.is-scrolled .header-inner {
		max-width: 180px !important;
		justify-content: flex-end;
		box-shadow:
			0 12px 32px rgba(6, 10, 25, 0),
			0 0 0 0.5px rgba(255, 255, 255, 0);
	}

	.my-custom-header.is-scrolled .header-inner::before {
		opacity: 0;
	}

	.my-custom-header.is-scrolled .site-logo {
		display: none;
	}

	.logo-title {
		font-size: 1.25rem;
	}

	.nav-toggle {
		display: inline-flex;
		align-items: center;
		z-index: calc(var(--z-header) + 1);
	}

	.site-logo {
		z-index: calc(var(--z-header) + 1);
	}

	.site-nav {
		position: fixed;
		inset: 0;
		display: flex;
		flex-direction: column;
		background: linear-gradient(165deg, rgba(6, 10, 20, 0.92) 0%, rgba(18, 40, 70, 0.88) 55%, rgba(20, 70, 90, 0.85) 100%);
		-webkit-backdrop-filter: blur(24px) saturate(160%);
		backdrop-filter: blur(24px) saturate(160%);
		transform: translateX(100%);
		transition: transform 0.32s ease;
		z-index: var(--z-header);
	}

	@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
		.site-nav {
			background: linear-gradient(160deg, var(--header-card-bg-1) 0%, var(--header-card-bg-3) 100%);
		}
	}

	.site-nav.is-open {
		transform: translateX(0);
	}

	.site-nav > ul {
		flex: 1 1 auto;
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		overflow-y: auto;
		padding: calc(var(--card-gap-top-mobile) + var(--card-height-mobile) + 32px) 20px 24px;
	}

	.site-nav li {
		border-bottom: 1px solid var(--menu-yellow);
	}

	.site-nav a {
		display: flex;
		align-items: center;
		justify-content: space-between;
		gap: 12px;
		padding: 18px 4px;
		font-size: 1.15rem;
		color: var(--header-text);
	}

	.site-nav a::after {
		display: none;
	}

	.nav-link-icon {
		display: inline-flex;
		align-items: center;
		justify-content: center;
		flex-shrink: 0;
		font-size: 1.05rem;
	}

	.site-nav li.menu-item-has-children.is-accordion-open > a::after {
		content: "−";
	}

	.site-nav > ul > li:not(.menu-item-has-children) > a:not(.btn-contact):active,
	.site-nav > ul > li:not(.menu-item-has-children) > a:not(.btn-contact):focus-visible {
		border: 1px solid var(--menu-yellow);
		border-radius: 5px;
		padding-left: 12px;
		padding-right: 12px;
	}

	.site-nav .sub-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		margin: 0 0 8px;
		padding: 0 0 4px 12px;
		border: none;
		border-radius: 0;
		background: transparent;
		-webkit-backdrop-filter: none;
		backdrop-filter: none;
		box-shadow: none;
	}

	.site-nav .sub-menu li {
		border-bottom: none;
	}

	.site-nav .sub-menu a {
		padding: 10px 4px;
		font-size: 0.9rem;
		color: var(--header-text-dim);
	}

	.site-nav .sub-menu--mega {
		flex-direction: column;
		align-items: stretch;
		gap: 18px;
		padding: 0;
		min-width: 0;
		max-width: none;
		max-height: 0;
		opacity: 0;
		overflow: hidden;
		transition: max-height 0.35s ease, opacity 0.25s ease;
	}

	.site-nav li.menu-item-has-children.is-accordion-open > .sub-menu--mega {
		max-height: 900px;
		opacity: 1;
		padding: 4px 0 14px;
	}

	.sub-menu__intro {
		display: none;
	}

	.site-nav .sub-menu__cards {
		flex-direction: column;
		gap: 0;
	}

	.site-nav .sub-menu__card {
		width: auto;
	}

	.sub-menu__card-img {
		display: none;
	}

	.site-nav .sub-menu--mega .sub-menu__card a {
		padding: 14px 4px;
		font-size: 1rem;
	}

	.sub-menu__card-label {
		display: flex;
		width: 100%;
		justify-content: space-between;
		align-items: center;
		gap: 12px;
		line-height: 1.35;
		color: var(--header-text-dim);
	}

	.site-nav a.btn-contact {
		display: inline-flex;
		justify-content: center;
		align-items: center;
		width: fit-content;
		position: absolute;
		top: 50%;
		left: 50%;
		transform: translate(-50%, calc(-50% + 50px));
		z-index: 2;
		background: var(--menu-yellow);
		color: var(--menu-yellow-text);
		margin: 0;
		padding: 14px 24px;
		border-radius: 8px;
		font-weight: 700;
	}

	.site-nav a.btn-contact .nav-link-icon {
		display: none;
	}

	.site-nav a.btn-contact:hover,
	.site-nav a.btn-contact:focus-visible {
		background: var(--menu-yellow);
		color: var(--menu-yellow-text);
	}

	.site-nav > ul > li:last-child {
		border-bottom: none;
	}

	body.nav-is-open {
		overflow: hidden;
	}
}

@media (max-width: 400px) {
	.header-inner {
		padding-inline: 12px;
	}
	.logo-title {
		font-size: 1.1rem;
	}
}