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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--color-bg-white);
	color: var(--color-text-body);
	font-family: var(--font-family-ja);
	font-size: var(--font-size-body-md);
	font-weight: 500;
	line-height: 2;
	-webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	margin-block: 0 var(--spacing-lg);
	color: var(--color-text-heading);
	font-weight: 700;
	line-height: 1.4;
}

h1 { font-size: var(--font-size-heading-1); }
h2 { font-size: var(--font-size-heading-2); }
h3 { font-size: var(--font-size-heading-3); }
h4 { font-size: var(--font-size-heading-4); }
h5,
h6 { font-size: var(--font-size-heading-5); }

p {
	margin-block: 0 var(--spacing-md);
}

a {
	color: inherit;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.2em;
}

img {
	display: block;
	max-width: 100%;
	height: auto;
}

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

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
	outline: var(--focus-ring);
	outline-offset: 3px;
}

.ds-container {
	width: min(100% - (var(--spacing-lg) * 2), var(--container-content));
	margin-inline: auto;
}

.ds-container--wide {
	max-width: var(--container-wide);
}

.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;
}

.screen-reader-text:focus {
	z-index: 100000;
	top: var(--spacing-md);
	left: var(--spacing-md);
	width: auto;
	height: auto;
	padding: var(--spacing-sm) var(--spacing-md);
	clip: auto;
	background: var(--color-bg-white);
	color: var(--color-text-heading);
}