/* ==============================
Reset + Variables
============================== */
:root {
	--bg: #fafafa;
	--text: #222;
	--muted: #666;
	--brand: #2563eb;
	--card: #fff;
	--border: #e5e7eb;
	--max: 1080px;
}

* { box-sizing: border-box; }
html, body {
	min-width: 380px;
	height: 100%;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	background: var(--bg);
	color: var(--text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		"Hiragino Sans", "Noto Sans JP", "Helvetica Neue", Arial,
		"Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
	line-height: 1.65;
	overflow-x: hidden;
}
main {
	flex: 1;
	display: block;
}
a {
	color: inherit;
	text-decoration: none;
}

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

/* Utility */
.container {
	max-width: var(--max);
	width: 100%;
	margin: 0 auto;
	padding: 0 16px;
}

.panel {
	background: #fff;
	border: 1px solid var(--border);
	border-radius: 16px;
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 12px;
	border: 1px solid var(--border);
	border-radius: 999px;
	background: #fff;
	font-size: 14px;
	cursor: pointer;
}

.divider {
	height: 1px;
	background: var(--border);
	margin: 22px 0;
}

/* ==============================
Header / Footer
============================== */
header {
	background: #fff;
	border-bottom: 1px solid var(--border);
	position: sticky;
	top: 0;
	z-index: 1100;
	font-size: 14px;
	line-height: 1.6;
	letter-spacing: .02em;
}
.header-inner {
	max-width: var(--max);
	margin: 0 auto;
	padding: 14px 16px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}
.brand { font-weight: 700; letter-spacing: .02em; }
.navMain {
	display: flex;
	gap: 20px;
}
.nav { display: flex; gap: 16px; }
.nav a { padding: 8px 10px; border-radius: 8px; }
.nav a.is-active, .nav a:hover {
	background: rgba(37,99,235,.08);
	color: var(--brand);
}

.navbar {
	position: relative;
}

.hamburger {
	width: 30px;
	cursor: pointer;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

.hamburger span {
	display: block;
	height: 3px;
	background: #333;
	margin: 5px 0;
}

.nav-links {
	position: fixed;
	top: 0;
	right: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.8); /* 半透明黒 */
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: flex-end;
	padding: 20px;
	margin: 0px;
	box-sizing: border-box;
	z-index: 9999;
}

.nav-links.active {
	display: flex;
}

.nav-links ul {
	list-style: none;
	padding: 0;
}

.nav-links li {
	margin: 15px 0;
}

.nav-links a {
	color: #fff;
	font-size: 1.5rem;
	text-decoration: none;
}

.close-btn {
	position: absolute;
	top: 20px;
	right: 20px;
	font-size: 2rem;
	color: #fff;
	background: none;
	border: none;
	cursor: pointer;
}

.footer {
	border-top: 1px solid var(--border);
	background: #fff;
	margin-top: 16px;
	font-size: 14px;
	line-height: 1.6;
	letter-spacing: .02em;
}
.footer-inner {
	max-width: var(--max);
	margin: 0 auto;
	padding: 14px 16px;
	color: var(--muted);
}

/* ==============================
Breadcrumb
============================== */
.breadcrumb {
	font-size: 13px;
	color: var(--muted);
	padding: 12px 0;
	ul {
		display: flex;
		flex-wrap: wrap;
		list-style: none;
		margin: 0;
		padding: 0;
	}
	li:not(:first-child)::before {
		content: "›";
		margin: 0 0.5em;
		color: #666;
	}
	a {
		color: var(--muted);
	}
}

/* ==============================
Page Title
============================== */
.hero {
	padding: 20px 0;
	p {
		color: var(--muted);
		margin: 0;
	}
}
.page-title {
	font-size: clamp(22px, 3.2vw, 34px);
	line-height: 1.35;
	font-weight: 700;
	margin: 0 0 6px;
}
/* ==============================
Link Styling
============================== */
.link-list a {
	color: var(--brand);
	font-weight: 600;
}


/* Responsive */
@media (max-width: 589px) {
	.spNone {
		display: none;
	}
}


@media (min-width: 590px) {
	.pcNone {
		display: none;
	}
}