:root {
	--color-background: #f7f6f3;
	--color-foreground: #2e2e2b;
	--color-muted: #66645f;
	--color-border: #ddd8cf;
	--color-accent: #a24e2c;

	--font-sans:
		-apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
		"Hiragino Sans", "Yu Gothic Medium", "Yu Gothic", "Meiryo", "Segoe UI",
		Roboto, Helvetica, Arial, sans-serif;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: var(--font-sans);
	color: var(--color-foreground);
	background-color: var(--color-background);
}

header {
	border-bottom: 1px solid var(--color-border);
}

.header-inner {
	max-width: 42rem;
	margin: 0 auto;
	padding: 1rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

main {
	max-width: 42rem;
	margin: 0 auto;
	padding: 2rem 1rem;
}

h1 {
	font-size: 1.5rem;
	margin-bottom: 1rem;
}

p {
	color: var(--color-muted);
}

a {
	color: var(--color-accent);
}

header a {
	color: var(--color-foreground);
	text-decoration: none;
}

header a:hover {
	color: var(--color-accent);
}