* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: "Helvetica Neue",
		Arial,
		"Hiragino Kaku Gothic ProN",
		"Hiragino Sans",
		Meiryo,
		sans-serif;
	background: #000;
	color: #fff;
	padding: 20px;
	font-size: 18px;
}

a {
	text-decoration: none;
	color: #94ebff;
}

p {
	margin: 20px 0;
}

ul {
	list-style: none;
}

/* ヘッダー */
header {
	text-align: center;
	margin-bottom: 30px;
	padding: 20px;
}

header {
	text-align: center;
	padding: 60px 20px;
	background: linear-gradient(to bottom, #111, #000);
}

.logo-container {
	display: flex;
	justify-content: center;
	margin-bottom: 20px;
}

.site-logo {
	width: 120px;
	height: auto;
	transition: transform 6s ease-out;
	filter: drop-shadow(0 0 15px rgba(0, 210, 255, 0.3));
}

.site-logo:hover {
	transform: rotate(360deg);
	filter: drop-shadow(0 0 25px rgba(0, 210, 255, 0.6));
}

#site-title {
	font-size: 3rem;
	font-weight: 800;
	margin-bottom: 10px;
	color: rgba(0, 210, 255)
}

.site-subtitle {
	font-size: 1.1rem;
	color: #aaa;
	max-width: 600px;
	margin: 0 auto;
}

main {
	max-width: 1000px;
	margin: 0 auto;
	padding: 40px 20px;
}

.site-links {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 20px;
}

.site-links a {
	background: #111;
	border: 1px solid rgba(255, 255, 255, 0.05);
	border-radius: 20px;
	padding: 20px;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	transition: all 0.4s;
}

.site-links a:hover {
	transform: translateY(-5px);
}

.site-links .site-icon {
	width: 80px;
	height: 80px;
}

.site-links .site-name {
	font-size: 1.1rem;
	font-weight: bold;
	color: #00d2ff;
}

.site-links .site-desc {
	font-size: 0.95rem;
	color: #ccc;
}

footer {
	text-align: center;
	padding: 20px;
}

@media (max-width: 600px) {
	#site-title {
		font-size: 2.2rem;
	}

	.site-links {
		grid-template-columns: 1fr;
	}
}