:root {
	/* 現行仕様: PCは1920px、SPは390pxのFigma指定値を固定値として使う。 */
	--color-ink: #12110c;
	--color-surface: #303030;
	--color-accent: #3498db;
	--color-text: #fff;
	--color-muted: #efefef;
	--font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
	--font-en: Poppins, Arial, sans-serif;
	--content-max: 1440px;
	--figma-stage-max: 1920px;
	--figma-wide-max: 1840px;
	--viewport-width: 100vw;
	--page-gutter: 40px;
	--section-space: 160px;
	--ease-out-quint: cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--color-ink);
	color: var(--color-text);
	font-family: var(--font-jp);
	font-size: 16px;
	line-height: 1.8;
	-webkit-font-smoothing: antialiased;
}

body.menu-open {
	overflow: hidden;
}

img,
svg {
	display: block;
	max-width: 100%;
	/* WordPressが出力するwidth/height属性より優先し、CSSのaspect-ratioを有効にする。 */
	height: auto;
}

a {
	color: inherit;
	text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}

.skip-link {
	position: fixed;
	z-index: 1000;
	top: 8px;
	left: 8px;
	padding: 10px 16px;
	background: #fff;
	color: var(--color-ink);
	transform: translateY(-160%);
}

.skip-link:focus {
	transform: none;
}

button,
input,
textarea,
select {
	font: inherit;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}