:root {
	--main-bg: linear-gradient(120deg, #1a031d 0%, #290828 100%);
	--accent: #ffffff;
	--accent-light: #26052c;
	--text-main: #22223b;
	--text-muted: #9a9a9a;
	--border: #511550;
	--header-bg: #34023f;
	--card-bg: #3b0835;
	--shadow: 0 2px 8px rgba(124, 58, 237, 0.08);
}
body {
	margin: 0;
	font-family: 'Segoe UI', 'Noto Sans JP', 'Meiryo', sans-serif;
	background: var(--main-bg);
	color: var(--text-main);
}
header {
	background: var(--header-bg);
	box-shadow: var(--shadow);
	padding: 2rem 0 1rem 0;
	text-align: center;
	border-bottom: 3px double var(--border);
}
header h1 {
	font-size: 2.8rem;
	font-weight: 700;
	color: var(--accent);
	margin: 0 0 0.5rem 0;
	letter-spacing: 0.05em;
}
header a {
	color: var(--accent);
	text-decoration: none;
	font-size: 1.1rem;
	transition: color 0.2s;
}
header a:hover {
	color: var(--accent-light);
}
main {
	max-width: 800px;
	margin: 2rem auto;
	padding: 0 1rem;
}
ul {
	list-style: none;
	padding: 0;
}
li {
	margin-bottom: 2.2rem;
}
h2 {
	font-size: 2rem;
	color: var(--accent);
	margin-bottom: 0.3rem;
}
h3 {
	font-size: 1.3rem;
	color: var(--accent);
	margin-bottom: 0.2rem;
}
a {
	color: var(--accent);
	text-decoration: none;
	transition: color 0.2s;
}
blockquote {
	background: var(--card-bg);
	border-left: 4px solid var(--accent-light);
	padding: 0.7em 1em;
	margin: 0.5em 0 0.5em 0;
	color: var(--text-muted);
	box-shadow: var(--shadow);
}
.w {
	color: var(--text-muted);
}
p {
	background: none;
	border: none;
	border-radius: 0;
	padding: 0.2em 0;
	margin: 0.7em 0 0.7em 0;
	color: var(--accent);
	box-shadow: none;
	font-size: 1.08rem;
	letter-spacing: 0.01em;
	transition: none;
}
a[target='_blank'] {
	position: relative;
	padding-right: 1.2em;
	font-weight: 500;
	border-bottom: 2px dashed var(--accent-light);
	transition: border-color 0.2s, color 0.2s;
}
a[target='_blank']:hover {
	color: #ffb7fa;
	border-bottom: 2px solid var(--accent);
}
a[target='_blank']::after {
	content: '';
	display: inline-block;
	position: absolute;
	right: 0.2em;
	top: 50%;
	transform: translateY(-50%);
	width: 1em;
	height: 1em;
	background: url('') no-repeat center/contain;
	opacity: 0.8;
}
footer {
	text-align: center;
	padding: 2rem 0 1rem 0;
	color: var(--text-muted);
	background: var(--header-bg);
	border-top: 3px double var(--border);
	margin-top: 3rem;
}
hr {
	border: none;
	border-bottom: 3px double var(--border);
	margin: 1.5rem 0;
}
@media (max-width: 600px) {
	header h1 {
		font-size: 2rem;
	}
	main {
		padding: 0 0.5rem;
	}
	h2 {
		font-size: 1.3rem;
	}
	h3 {
		font-size: 1rem;
	}
}