.index-container {
	background-image: url("../images/index/background_pc.png");
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
}

.index-container::before {
	content: "";
	position: absolute;
	inset: 0;
	background-color: rgba(255, 255, 255, 0.34);
	z-index: 1;
}

.content-wrapper {
	text-align: center;
	padding: 80px;
	position: relative;
	z-index: 2;
}

.page-kicker {
	display: inline-block;
	margin-bottom: 24px;
	padding: 8px 16px;
	font-size: 16px;
	line-height: 1;
	color: #315c68;
	background-color: rgba(229, 246, 243, 0.84);
	border: 1px solid rgba(135, 179, 171, 0.46);
	border-radius: 999px;
	letter-spacing: 2px;
	font-weight: 600;
}

.title-block {
	margin-bottom: 32px;
}

.main-title {
	font-size: 58px;
	font-weight: 700;
	color: #1a1a1a;
	letter-spacing: 0;
	margin-bottom: 24px;
	line-height: 1.18;
	text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.88);
}

.subtitle {
	font-size: 24px;
	color: #38545a;
	font-weight: 400;
	letter-spacing: 0;
	line-height: 1.7;
}

.intro-list {
	display: grid;
	gap: 12px;
	margin-bottom: 38px;
}

.intro-list p {
	font-size: 18px;
	color: #4f5555;
	line-height: 1.7;
	text-align: center;
}

.start-button {
	display: inline-block;
	padding: 18px 38px;
	font-size: 22px;
	font-weight: 600;
	color: #25484f;
	background-color: #dff1ee;
	border: 1px solid rgba(100, 150, 141, 0.58);
	border-radius: 8px;
	transition: all 0.3s ease;
	letter-spacing: 2px;
	box-shadow: 0 10px 24px rgba(91, 123, 117, 0.18);
}

.start-button:hover {
	background-color: #cde7e2;
	transform: translateY(-3px);
	box-shadow: 0 14px 30px rgba(91, 123, 117, 0.24);
}

.footer-note {
	position: absolute;
	bottom: 40px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 2;
	font-size: 16px;
	color: #5f6b69;
	letter-spacing: 1px;
	font-weight: 500;
}

@media (max-width: 768px) {
	.index-container {
		background-image: url("../images/index/background_mobile.png");
		background-position: center top;
		align-items: center;
		min-height: 100svh;
		padding: 58px 20px 92px;
	}

	.index-container::before {
		background-color: rgba(255, 255, 255, 0.42);
	}

	.content-wrapper {
		width: 100%;
		padding: 0;
	}

	.page-kicker {
		margin-bottom: 18px;
		padding: 7px 13px;
		font-size: 14px;
		letter-spacing: 1px;
	}

	.title-block {
		margin-bottom: 24px;
	}

	.main-title {
		font-size: 38px;
		line-height: 1.22;
		margin-bottom: 18px;
	}

	.subtitle {
		font-size: 19px;
		line-height: 1.65;
	}

	.intro-list {
		gap: 9px;
		margin-bottom: 30px;
	}

	.intro-list p {
		font-size: 16px;
		line-height: 1.65;
	}

	.start-button {
		padding: 15px 28px;
		font-size: 19px;
		letter-spacing: 1px;
	}

	.footer-note {
		width: calc(100% - 40px);
		bottom: 24px;
		font-size: 14px;
		line-height: 1.5;
		letter-spacing: 0;
		text-align: center;
	}
}

@media (max-width: 390px) {
	.index-container {
		padding: 46px 16px 86px;
	}

	.main-title {
		font-size: 28px;
	}

	.subtitle {
		font-size: 18px;
	}

	.intro-list p {
		font-size: 15px;
	}
}