:root {
	--bg: #ffffff;
	--surface: #f5f7fa;
	--text: #1f2933;
	--muted: #52606d;
	--line: #d9e2ec;
	--accent: #1f6feb;
	--accent-text: #ffffff;
	--error: #b42318;
}
@media (prefers-color-scheme: dark) {
	:root {
		--bg: #12161c;
		--surface: #1b2129;
		--text: #e4e7eb;
		--muted: #a8b3bf;
		--line: #2f3a47;
		--accent: #5b9bff;
		--accent-text: #0b0f14;
		--error: #ff8a80;
	}
}
* { box-sizing: border-box; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
	line-height: 1.8;
}
a { color: var(--accent); }
code { background: var(--surface); padding: 0 4px; border-radius: 4px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; padding-top: 12px; padding-bottom: 12px; }
header.site .logo { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; margin-right: auto; }
header.site nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
header.site nav a { color: var(--muted); text-decoration: none; }
header.site nav a[aria-current="page"], header.site nav a:hover { color: var(--accent); }
main { padding-top: 24px; padding-bottom: 48px; }
section { margin: 40px 0; }
h1 { font-size: 1.8rem; line-height: 1.4; margin: 16px 0; }
h2 { font-size: 1.35rem; border-bottom: 1px solid var(--line); padding-bottom: 4px; margin-top: 32px; }
h3 { font-size: 1.05rem; margin: 0 0 4px; }
.hero { padding: 24px 0 8px; }
.hero h1 { font-size: 2rem; }
.lead { font-size: 1.05rem; }
.note { color: var(--muted); font-size: 0.9rem; }
.setup-note { margin: 12px 0; padding: 10px 14px; border-left: 4px solid var(--accent); background: var(--surface); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0; }
.button {
	/* パソコン・スマートフォンとも、勤怠管理のアプリと同じ丸いボタン */
	display: inline-block; padding: 12px 28px; border-radius: 999px; border: 1px solid var(--accent);
	color: var(--accent); background: transparent; text-decoration: none; font-size: 1rem; font-family: inherit; cursor: pointer;
	box-shadow: 0 1px 3px rgba(0, 0, 0, .15); text-align: center;
}
.button:hover { filter: brightness(1.08); }
.button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.button.primary { background: var(--accent); color: var(--accent-text); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.card p { margin: 0; color: var(--muted); }
.table { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--surface); }
td.num { text-align: right; white-space: nowrap; }
table.info th { width: 30%; }
.compare { background: var(--surface); border-radius: 10px; padding: 16px; margin-top: 16px; }
.steps li { margin-bottom: 8px; }
.faq dt { font-weight: 700; margin-top: 12px; }
.faq dd { margin: 4px 0 0 0; color: var(--muted); }
.form { display: grid; gap: 14px; max-width: 560px; }
.form label { display: grid; gap: 4px; }
.form input, .form select, .form textarea {
	font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); width: 100%;
}
.form label.check { display: flex; gap: 8px; align-items: flex-start; }
.form label.check input { width: auto; margin-top: 6px; }
.form .req { font-size: 0.75rem; color: var(--error); margin-left: 6px; }
.form fieldset { border: 1px solid #ddd; border-radius: 6px; padding: 10px 14px; display: grid; gap: 6px; }
.form .hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.errors { border: 1px solid var(--error); color: var(--error); border-radius: 8px; padding: 4px 16px; }
.license h1 { font-size: 1.5rem; }
.license h2 { font-size: 1.1rem; }
footer.site { border-top: 1px solid var(--line); padding: 16px 0; font-size: 0.9rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); }
footer.site span { margin-left: auto; }
footer.site a.company { color: inherit; text-decoration: none; }
footer.site a.company:hover { text-decoration: underline; }
@media (max-width: 600px) {
	.hero h1 { font-size: 1.5rem; }
	h1 { font-size: 1.45rem; }
	footer.site span { margin-left: 0; }
}