/**
 * ALVARA — 共通ヘッダー・フッター（下層ページ）
 */

.alvara-site-page {
	--ink: #252320;
	--ink-soft: #3d3a36;
	--paper: #fafaf9;
	--line: rgba(26, 26, 26, 0.18);
	--line-soft: rgba(26, 26, 26, 0.1);
	--line-light: rgba(255, 255, 255, 0.25);
	--paper-warm: #f3f0ea;
	--muted: #6b6560;
	--muted-on-dark: #b8b3ad;
	--header-h: 64px;
	--header-h-sp: 56px;
	--space: clamp(1.25rem, 5vw, 3rem);
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.alvara-site-page #body_wrap,
.alvara-site-page body {
	font-family: var(--font-sans);
	font-weight: 300;
	font-size: 15px;
	color: var(--ink-soft);
	background: var(--paper);
	line-height: 1.85;
	letter-spacing: 0.04em;
	-webkit-font-smoothing: antialiased;
}

.alvara-site-page a:not(.btn):not(.btn-block):not(.link-arrow):not(.related-card):not(.btn-register-sm) {
	color: inherit;
	text-decoration: none;
	transition: opacity 0.3s var(--ease), color 0.3s var(--ease);
}

.alvara-site-page a:not(.btn):not(.btn-block):not(.link-arrow):not(.related-card):not(.btn-register-sm):hover { opacity: 0.6; }

/* SWELL 標準ヘッダー・フッター非表示 */
.alvara-site-page .l-header,
.alvara-site-page #header,
.alvara-site-page #fix_header,
.alvara-site-page .l-fixHeader,
.alvara-site-page footer.l-footer,
.alvara-site-page .l-footer,
.alvara-site-page .p-fixBtnWrap,
.alvara-site-page #fix_bottom_menu {
	display: none !important;
}

/* ========== Header ========== */
.alvara-site-page .site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	height: var(--header-h);
	background: rgba(250, 250, 249, 0.94);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--line);
	transition: background-color 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}

.alvara-site-page.alvara-subpage-hero .site-header {
	background: transparent;
	border-bottom-color: transparent;
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
}

.alvara-site-page.alvara-subpage-hero .site-header.is-scrolled {
	background: rgba(250, 250, 249, 0.94);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom-color: var(--line);
}

.alvara-site-page .site-header.on-dark:not(.is-scrolled) { color: #fff; }
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .brand { color: #fff; }
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .brand-sub { color: rgba(255, 255, 255, 0.75); }
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .gnav a { color: rgba(255, 255, 255, 0.85); }
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .gnav a.is-current { color: #fff; border-bottom-color: rgba(255, 255, 255, 0.7); }
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .util-link { color: rgba(255, 255, 255, 0.85); }
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .btn-register-sm {
	border-color: rgba(255, 255, 255, 0.5);
	color: #fff;
}
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .hamburger:not(.is-open) {
	color: rgba(255, 255, 255, 0.92);
}
.alvara-site-page .site-header.on-dark:not(.is-scrolled) .header-x { color: rgba(255, 255, 255, 0.88); }

.alvara-site-page .header-inner {
	max-width: 1320px;
	height: 100%;
	margin: 0 auto;
	padding: 0 clamp(1rem, 4vw, 2.5rem);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
}

.alvara-site-page .brand-block { flex-shrink: 0; line-height: 1.3; }

.alvara-site-page .brand {
	display: block;
	font-family: var(--font-brand, var(--font-serif));
	font-size: clamp(1rem, 1.6vw, 1.25rem);
	font-weight: 500;
	letter-spacing: 0.14em;
	color: var(--ink);
	white-space: nowrap;
}

.alvara-site-page .brand-sub {
	display: block;
	margin-top: 0.2em;
	font-family: var(--font-brand, var(--font-serif));
	font-size: clamp(7px, 1.1vw, 9px);
	font-weight: 400;
	letter-spacing: 0.28em;
	color: var(--muted);
}

.alvara-site-page .header-end {
	display: flex;
	align-items: center;
	gap: clamp(1.25rem, 3vw, 2.5rem);
	margin-left: auto;
}

.alvara-site-page .gnav {
	display: flex;
	list-style: none;
	gap: clamp(1rem, 2vw, 1.75rem);
	font-size: 11px;
	font-weight: 500;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.alvara-site-page .gnav a {
	color: var(--ink-soft);
	padding-bottom: 2px;
	border-bottom: 1px solid transparent;
	white-space: nowrap;
}

.alvara-site-page .gnav a.is-current {
	border-bottom-color: var(--ink);
}

.alvara-site-page .header-right {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 1.25rem;
	flex-shrink: 0;
}

.alvara-site-page .util-link {
	font-size: 11px;
	font-weight: 500;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--ink-soft);
}

.alvara-site-page .btn-register-sm {
	font-size: 10.5px;
	font-weight: 500;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	padding: 0.55em 1.1em;
	border: 1px solid var(--ink);
	color: var(--ink);
}

.alvara-site-page .btn-register-sm:hover {
	background: var(--ink);
	color: var(--paper);
	opacity: 1;
}

.alvara-site-page .header-x {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	color: var(--ink-soft);
	flex-shrink: 0;
}

.alvara-site-page .header-x svg {
	width: 17px;
	height: 17px;
	fill: currentColor;
}

.alvara-site-page .header-x:hover { opacity: 0.55; }

.alvara-site-page .hamburger {
	display: none;
	width: 28px;
	height: 28px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0;
	position: relative;
	color: var(--ink);
	transition: color 0.4s var(--ease);
}

.alvara-site-page .site-header .hamburger.is-open { color: var(--ink); }

.alvara-site-page .hamburger span {
	position: absolute;
	left: 0;
	width: 100%;
	height: 1.5px;
	background: currentColor;
	transition: transform 0.45s var(--ease), opacity 0.45s var(--ease);
}

.alvara-site-page .hamburger span:nth-child(1) { top: 9px; }
.alvara-site-page .hamburger span:nth-child(2) { top: 18px; }
.alvara-site-page .hamburger.is-open span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.alvara-site-page .hamburger.is-open span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

/* SP Menu */
.alvara-site-page .sp-menu {
	position: fixed;
	inset: 0;
	background: var(--paper);
	z-index: 90;
	padding: calc(var(--header-h-sp) + 2rem) 2rem 2rem;
	visibility: hidden;
	clip-path: inset(0 0 100% 0);
	transition: clip-path 0.85s var(--ease), visibility 0s 0.85s;
}

.alvara-site-page .sp-menu.is-open {
	visibility: visible;
	clip-path: inset(0 0 0 0);
	transition: clip-path 0.85s var(--ease), visibility 0s;
}

.alvara-site-page .sp-menu ul { list-style: none; padding: 0; margin: 0; }

.alvara-site-page .sp-menu li {
	border-bottom: 1px solid var(--line);
	opacity: 0;
	transform: translateY(1.15rem);
	transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
	transition-delay: var(--menu-delay, 0s);
}

.alvara-site-page .sp-menu.is-revealed li { opacity: 1; transform: none; }

.alvara-site-page .sp-menu a {
	display: block;
	padding: 1.15rem 0;
	font-size: 14px;
	letter-spacing: 0.14em;
	color: var(--ink);
}

.alvara-site-page .sp-menu-cta {
	margin-top: 2rem;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.alvara-site-page .sp-menu-cta a {
	text-align: center;
	padding: 1em;
	letter-spacing: 0.18em;
	font-size: 12px;
	text-transform: uppercase;
	opacity: 0;
	transform: translateY(1.15rem);
	transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
	transition-delay: var(--menu-delay, 0s);
}

.alvara-site-page .sp-menu.is-revealed .sp-menu-cta a { opacity: 1; transform: none; }
.alvara-site-page .sp-menu-cta .primary { background: var(--ink); color: var(--paper); }
.alvara-site-page .sp-menu-cta .ghost { border: 1px solid var(--ink); color: var(--ink); }

/* Footer */
.alvara-site-page footer#footer {
	position: static;
	height: auto;
	min-height: 0;
	max-height: none;
	margin: 0;
	background: var(--ink);
	color: var(--muted-on-dark);
	padding: clamp(3rem, 7vw, 4rem) var(--space) 2.5rem;
	font-size: 12px;
	letter-spacing: 0.06em;
	box-shadow: none;
	overflow: visible;
}

.alvara-site-page .footer-inner {
	max-width: 1320px;
	width: 100%;
	margin: 0 auto;
}

.alvara-site-page .footer-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 1.25rem 2rem;
	margin: 0 0 2.5rem;
}

.alvara-site-page .footer-nav a {
	color: var(--muted-on-dark);
	font-size: 11px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.alvara-site-page .footer-nav a:hover { color: var(--paper); opacity: 1; }

.alvara-site-page .footer-legal {
	border-top: 1px solid var(--line-light);
	padding-top: 1.5rem;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 1rem;
	font-size: 11px;
}

.alvara-site-page .footer-legal nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.alvara-site-page .footer-legal a { color: var(--muted-on-dark); }
.alvara-site-page .footer-legal a:hover { color: var(--paper); opacity: 1; }

/* ヒーローなしページ：固定ヘッダー分 */
.alvara-site-page:not(.alvara-subpage-hero) #content {
	padding-top: var(--header-h);
}

@media (max-width: 900px) {
	.alvara-site-page .gnav { display: none; }
	.alvara-site-page .util-link { display: none; }
	.alvara-site-page .btn-register-sm { display: none; }
	.alvara-site-page .hamburger { display: block; }
	.alvara-site-page .header-end { gap: 0; }
}

@media (max-width: 720px) {
	.alvara-site-page { --header-h: var(--header-h-sp); }
}

@media (min-width: 721px) {
	.alvara-site-page footer#footer { font-size: 15px; }
	.alvara-site-page .footer-nav a { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
	.alvara-site-page .sp-menu {
		clip-path: none;
		opacity: 0;
		transition: opacity 0.2s, visibility 0.2s;
	}
	.alvara-site-page .sp-menu.is-open { opacity: 1; }
	.alvara-site-page .sp-menu li,
	.alvara-site-page .sp-menu-cta a {
		opacity: 1;
		transform: none;
		transition: none;
	}
}