@charset "UTF-8";
/*-----------------------*/

/* ヘッダー

/*-----------------------*/
:root {
	--header-height: 100px;
	--header-height--is-change: 50px;
}
@media(max-width: 959px) {
	:root {
		--header-height: 50px;
	}
}
#header {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	    -ms-flex-align: center;
	        align-items: center;
	-ms-flex-wrap: wrap;
	    flex-wrap: wrap;
	-webkit-box-pack: justify;
	    -ms-flex-pack: justify;
	        justify-content: space-between;

	width: 100%;
	min-height: var(--header-height);
	padding-inline: var(--gutter-var-8x);

	background-color: var(--color-base);

	-webkit-transition: background-color .3s var(--linear),
	min-height .3s var(--linear);

	transition: background-color .3s var(--linear),
	min-height .3s var(--linear);

	position: fixed;
	top: 0;
	left: 0;
	z-index: 99;
}
@media (min-width: 960px) {
	#header.is-change {
		min-height: var(--header-height--is-change);

		background-color: transparent;

		pointer-events: none;
	}
	#header.is-change #header-logo,
	#header.is-change #nav__wrapper,
	#header.is-change #nav-open-button,
	#header.is-change #nav__cover {
		pointer-events: all;
	}
}
@media (min-width: 960px) and (any-hover: hover) {
	#header.is-change:hover,
	#header.is-change:has(:focus-visible) {
		background-color: rgba(255, 255, 255, 0.7);
		-webkit-backdrop-filter: blur(4px) saturate(110%);
		        backdrop-filter: blur(4px) saturate(110%);
		min-height: var(--header-height);
		pointer-events: all;
	}
}
@media(max-width: 959px) {
	#header {
		position: absolute;
		padding-block: calc(var(--header-height) / 2);
	}
	body:is(#index) #header {
		background-color: transparent;
	}
}


/* ===================
ロゴ */
#header-logo {
	/* min: 160px, max: 280px */
	width: clamp(160px, calc(7rem + 15vw), 280px);
	max-width: 100%;
	-webkit-transition: width .3s var(--linear) , -webkit-transform .3s var(--linear);
	transition: width .3s var(--linear) , -webkit-transform .3s var(--linear);
	transition: transform .3s var(--linear) , width .3s var(--linear);
	transition: transform .3s var(--linear) , width .3s var(--linear) , -webkit-transform .3s var(--linear);
	-webkit-transform-origin: left center;
	        transform-origin: left center;
}
@media (max-width: 1200px) {
	#header-logo {
		/* min: 160px, max: 240px */
		width: clamp(10rem, calc(8rem + 10vw), 15rem);
	}
}
#header-logo a {
	display: inline-block;
	width: 100%;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	    -ms-flex-align: center;
	        align-items: center;
	-webkit-box-pack: center;
	    -ms-flex-pack: center;
	        justify-content: center;
}
#header-logo img {
	width: 100%;
	height: auto;
}
@media(min-width: 960px) {
	#header.is-change #header-logo {
		-webkit-transform: scale(0.9);
		        transform: scale(0.9);
		-webkit-transform-origin: left center;
		        transform-origin: left center;
	}
}