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

body {
	font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
	background: linear-gradient(135deg, #1e1f29 0%, #2b2d42 100%);
	color: #f8f9fa;
	min-height: 100vh;
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 20px;
}

.login-card {
	background-color: #2b2d31;
	width: 100%;
	max-width: 440px;
	padding: 40px 30px;
	border-radius: 16px;
	box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
	text-align: center;
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo {
	font-size: 48px;
	color: #5865F2;
	margin-bottom: 16px;
}

h1 {
	font-size: 26px;
	font-weight: 700;
	margin-bottom: 16px;
	color: #ffffff;
	letter-spacing: 0.5px;
}

.description-box {
	background-color: #1e1f22;
	border-radius: 8px;
	padding: 16px;
	margin-bottom: 28px;
	text-align: left;
	border-left: 4px solid #5865F2;
}

.description-box p {
	font-size: 14px;
	line-height: 1.6;
	color: #dbdee1;
	margin-bottom: 8px;
}

.description-box p:last-child {
	margin-bottom: 0;
}

.security-note {
	font-size: 12px !important;
	color: #949ba4 !important;
	display: flex;
	align-items: center;
	gap: 6px;
}

.btn-discord {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	width: 100%;
	background-color: #5865F2;
	color: #ffffff;
	font-size: 16px;
	font-weight: 600;
	padding: 14px 20px;
	border-radius: 8px;
	text-decoration: none;
	transition: background-color 0.2s ease, transform 0.1s ease;
	box-shadow: 0 4px 12px rgba(88, 101, 242, 0.3);
}

.btn-discord:hover {
	background-color: #4752C4;
	transform: translateY(-1px);
}

.btn-discord:active {
	transform: translateY(0);
}

/* ログイン後の状態 */
.user-profile {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	margin-bottom: 24px;
}

.avatar {
	width: 80px;
	height: 80px;
	border-radius: 50%;
	border: 3px solid #5865F2;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.username {
	font-size: 20px;
	font-weight: 700;
	color: #ffffff;
}

.welcome-msg {
	font-size: 14px;
	color: #b5bac1;
	margin-bottom: 20px;
}

.btn-logout {
	display: inline-block;
	background-color: #da373c;
	color: #ffffff;
	font-size: 14px;
	font-weight: 600;
	padding: 10px 24px;
	border-radius: 6px;
	text-decoration: none;
	transition: background-color 0.2s ease;
}

.btn-logout:hover {
	background-color: #a1282c;
}