body {
	font-family: 'Roboto', sans-serif;
	margin: 0;
	padding: 0;
	background-color: #fff;
	color: #fff;
}

main {
	padding: 59px 0 0 0;
	overflow-x: hidden;
}

.section-common {
	padding: 80px 0;
	position: relative;
}

.section-content {
	max-width: 1010px;
	width: 100%;
	margin: 0 auto;
	padding: 0 20px;
	box-sizing: border-box;
}

.section-title {
	display: flex;
	align-items: baseline;
	margin-bottom: 20px;
}

.section-number {
	font-size: 100px;
	font-weight: 500;
	color: rgba(219, 27, 35, 0.3);
}

.section-number .underline {
	text-decoration-line: underline;
	text-underline-offset: 8px;
	text-decoration-thickness: 2px;
}

.section-title h2 {
	font-size: 45px;
	font-weight: 800;
	color: #000;
	margin: 0;
}

.section-description {
	font-size: 16px;
	line-height: 1.5;
	color: #000;
	margin-left: 100px;
	margin-bottom: 40px;
	max-width: 800px;
}

/* Banner Section */
.banner {
	display: flex;
	background-image: url('/images/swirsdk/banner.jpg');
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	height: 1020px;
	position: relative;
	margin-top: 0;
	padding-top: 0;
	box-sizing: border-box;
	overflow: visible;
	z-index: 1;
}

.banner-content {
	text-align: left;
	max-width: 800px;
	padding: 240px 0px 0px 50%;
	font-weight: 400;
	color: #FFF;
}

.banner-content h1 {
	font-size: 50px;
	margin-bottom: -10px;
}

.banner-content p {
	font-size: 18px;
}

/* Section 01 */
.section01 {
	background-color: #fff;
}

.section01 .section-content {
	width: 1100px;
}

.section01-content-wrapper {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	margin: 0 auto;
}

.section01-product-info {
	text-align: center;
}

.section01-product-image {
	width: 100%;
	margin-bottom: 10px;
}

.section01-product-text h3 {
	font-size: 20px;
	font-weight: 800;
	color: #DB1B23;
	margin: 0;
}

.section01-wavelengths {
	width: 100%;
	max-width: 500px;
	margin-bottom: 30px;
	padding: 20px;
	border-radius: 5px;
}

.section01-wavelengths-image {
	width: 100%;
	margin-bottom: 10px;
}

.section01-wavelengths-text {
	display: flex;
	align-items: center;
	justify-content: center;
}

.section01-wavelengths-text h3 {
	font-size: 20px;
	font-weight: 800;
	color: #323232;
	margin: 0 15px 0 0;
}

.section01-wavelengths-text p {
	font-size: 20px;
	font-weight: 400;
	color: #323232;
	margin: 0;
}

.section01-specs {
	width: 100%;
	max-width: 500px;
	padding: 20px;
	border-radius: 5px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.section01-specs h4 {
	font-size: 16px;
	font-weight: 600;
	color: #323232;
	margin: 0 10px 0 0;
}

.section01-specs p {
	font-size: 16px;
	font-weight: 400;
	color: #323232;
	margin: 0 20px 0 0;
}

.download-btn {
	background-color: #DB1B23;
	color: #fff;
	border: none;
	padding: 10px 20px;
	font-size: 14px;
	font-weight: 600;
	border-radius: 5px;
	cursor: pointer;
}

.download-btn:hover {
	background-color: #fff;
	color: #DB1B23;
}

/* Section 02 */
.section02 {
	background-color: #505050;
	color: #fff;
	position: relative;
	overflow: visible;
	height: 750px;
}

.section02 .section-content {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.section02 .section-title {
	color: #fff;
	width: 100%;
	justify-content: center;
	padding-left: 150px;
	padding-top: 120px;
}

.section02 .section-title h2 {
	color: #fff;
}

.section02 .section-description {
	margin-left: 0;
	text-align: left;
	margin-bottom: 20px;
	width: 450px;
	color: #fff;
}

.section02-columns {
	display: flex;
	width: 100%;
	gap: 50px;
}

.section02-left {
	flex: 1;
	position: relative;
	min-height: 400px;
}

.section02-right {
	flex: 1;
	margin-left: 450px;
	z-index: 3;
}

.section02-image {
	position: absolute;
	width: 850px;
	top: 150px;
	left: -280px;
	z-index: 2;
}

.section02-specs {
	width: 450px;
	margin-top: 0;
	font-size: 15px;
}

.section02-specs h3 {
	font-size: 20px;
	font-weight: normal;
	color: #fff;
	margin: 0 0 10px 0;
}

.section02-specs .spec-label {
	font-weight: normal;
	width: 180px;
	display: inline-block;
	flex-shrink: 0;
}

.section02-specs .spec-value {
	font-weight: 400;
	text-align: left;
}

.section02-specs ul {
	list-style: none;
	padding: 0;
}

.section02-specs ul li {
	padding: 8px 0;
	border-bottom: #fff 1px solid;
	display: flex;
	align-items: center;
}

/* Section 03 */
.section03 {
	background-color: #fff;
	margin-top: 450px;
	position: relative;
	padding-bottom: 50px;
}

.section03 .section-content {
	margin-right: auto;
	padding-right: 20px;
	box-sizing: border-box;

}

.section03 .section-description {
	width: 445px;
}

.section03-image {
	position: absolute;
	top: -200px;
	left: 55%;
	width: 1200px;
	height: auto;
	border-radius: 10px;
	z-index: 5;
	overflow: visible;
}

/* Section 04 */
.section04 {
	background-color: #ffffff;
	position: relative;
	margin-top: 50px;
	z-index: 0;
}

.section04 .section-description {
	width: 445px;
}

/* Section 05 */
.section05 {
	background-color: #fff;
	padding-top: 60px;
	padding-bottom: 60px;
	color: #000;
}

.section05-content {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 30px;
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 20px;
	box-sizing: border-box;
}

.section05-text h2 {
	font-size: 45px;
	font-weight: 800;
	line-height: 1.3;
	margin: 0;
	text-align: center;
}

.contact-btn {
	background-color: #fff;
	color: #DB1B23;
	border: 3px solid #DB1B23;
	padding: 15px 30px;
	font-size: 22px;
	font-weight: bold;
	border-radius: 10px;
	cursor: pointer;
	display: flex;
	align-items: center;
	transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.contact-btn:hover {
	background-color: #DB1B23;
	color: #fff;
	border-color: #DB1B23;
}

.contact-btn img {
	margin-right: 10px;
	width: 0;
	height: 0;
	padding-left: 24px;
	padding-top: 24px;
	box-sizing: border-box;

	background-image: url('/images/swirsdk/person.svg');
	background-size: 24px 24px;
	background-repeat: no-repeat;
	background-position: center;

	transition: background-image 0.05s ease-in-out;
}

.contact-btn:hover img {
	background-image: url('/images/swirsdk/person_over.svg');
}


/* Mobile Screen */
@media (max-width: 768px) {
	.banner {
		height: 380px;
		padding-top: 20px;
		padding-bottom: 40px;
	}

	.banner-content {
		padding: 0 0 0 30%;
	}

	.banner-content h1 {
		width: 200px;
		font-size: 26px;
		margin-bottom: 10px;
	}

	.banner-content p {
		width: 250px;
		font-size: 14px;
	}

	.section-common {
		padding: 40px 0;
	}

	.section-content {
		padding: 0 20px;
	}

	.section-title {
		margin-bottom: 15px;
		flex-direction: column;
		align-items: flex-start;
		text-align: start;
	}

	.section-number {
		font-size: 100px;
		line-height: 1;
		margin-bottom: 5px;
	}

	.section-title h2 {
		font-size: 32px;
	}

	.section-description {
		font-size: 15px;
		margin-left: 0;
		margin-bottom: 20px;
		max-width: 100%;
	}

	/* Section 01 */
	.section01 .section-content {
		width: auto;
	}

	.section01-content-wrapper {
		align-items: center;
	}
	
	.section01-product-info {
		margin-bottom: 20px;
	}

	.section01-product-image {
		max-width: 300px;
		width: 100%;
		height: auto;
	}
	
	.section01-wavelengths {
		max-width: 100%;
		margin-bottom: 20px;
	}

	.section01-wavelengths-image {
		max-width: 300px;
		width: 100%;
		height: auto;
	}
	
	.section01-wavelengths-text h3 {
		font-size: 18px;
	}

	.section01-wavelengths-text p {
		font-size: 18px;
	}

	.section01-specs {
		max-width: 100%;
		flex-direction: row;
		gap: 10px;
		padding: 0px;
	}
	
	.section01-specs h4, .section01-specs p {
		margin: 0;
		font-size: 16px;
	}

	.download-btn {
		width: 100px;
		padding: 10px 10px;
		font-size: 14px;
	}


	/* Section 02 */
	.section02 {
		height: auto;
		padding: 80px 0;
	}

	.section02 .section-title {
		padding-left: 0;
		padding-top: 0;
		justify-content: center;
	}
	
	.section02 .section-description {
		width: auto;
		text-align: left;
	}

	.section02-columns {
		flex-direction: column-reverse;
		gap: 20px;
		align-items: center;
	}

	.section02-left {
		min-height: auto;
		width: 100%;
		display: flex;
		justify-content: center;
	}
	
	.section02-image {
		position: absolute;
		width:260px;
		top: 20px;
		left: calc(50% - 130px);
	}

	.section02-right {
		margin-left: 0;
		width: 100%;
		display: flex;
		flex-direction: column;
		align-items: start;
	}
	
	.section02-specs {
		width: 100%;
		font-size: 15px;
	}

	.section02-specs h3 {
		font-size: 20px;
		text-align: left;
	}
	
	.section02-specs .spec-label {
		width: 130px;
		margin-right: 10px;
		display: inline;
	}

	.section02-specs ul li {
		flex-direction: row;
		align-items: flex-start;
		gap: 5px;
	}

	/* Section 03 */
	.section03 {
		margin-top: 200px;
		padding-bottom: 20px;
	}
	
	.section03 .section-content {
		padding-right: 20px;
	}

	.section03 .section-description {
		width: auto;
		text-align: left;
		padding-top: 430px;
	}

	.section03-image {
		top: 150px;
		left: calc(50% - 180px);
		position: absolute;
		width: 100%;
		max-width: 460px;
		margin: 20px auto 0;
	}

	/* Section 04 */
	.section04 {
		margin-top: 40px;
	}
	
	.section04 .section-description {
		width: auto;
		text-align: left;
	}

	/* Section 05 */
	.section05 {
		padding-top: 40px;
		padding-bottom: 40px;
	}
	
	.section05-text h2 {
		font-size: 30px;
		line-height: 1.4;
	}

	.contact-btn {
		font-size: 22px;
		padding: 12px 15px;
		max-width: 220px;
	}
	
	.contact-btn img {
		padding-left: 20px;
		padding-top: 20px;
		background-size: 20px 20px;
	}
}