@charset "utf-8";

body {
	margin: 0;
	font-family: 'Arial', sans-serif;
	background: radial-gradient(circle at center, #1c1f22 0%, #0f1113 100%);
	color: #fff;
}

header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 20px 40px;
	background-color: #0d1117;
	position: sticky;
	top: 0;
	z-index: 10;
}

.logo {
	display: flex;
	align-items: center;
}

#main_logo {
	height: 50px;
}

.logo-text {
	font-size: 1.2em;
	margin-left: 10px;
}

@media (max-width: 768px) {
	#main_logo {
		height: 40px;
	}

	.logo-text {
		font-size: 1em;
	}
}

nav {
	display: flex;
	transition: all 0.3s ease;
}

nav a {
	color: #fff;
	margin-left: 20px;
	text-decoration: none;
}

.menu-toggle {
	display: none;
	flex-direction: column;
	cursor: pointer;
	width: 30px;
	height: 30px;
	position: relative;
	justify-content: center;
	align-items: center;
}

.menu-toggle div {
	width: 25px;
	height: 3px;
	background-color: #fff;
	margin: 4px 0;
	transition: all 0.3s ease;
}

.menu-toggle.active div:nth-child(1) {
	transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active div:nth-child(2) {
	opacity: 0;
}

.menu-toggle.active div:nth-child(3) {
	transform: rotate(-45deg) translate(5px, -5px);
}

nav.active {
	display: flex;
	flex-direction: column;
	position: absolute;
	top: 60px;
	right: 0;
	background-color: rgba(22, 27, 34, 0.95);
	width: 100%;
	text-align: center;
	padding: 20px 0;
	opacity: 0;
	pointer-events: none;
	animation: fadeIn 0.3s forwards;
}

@keyframes fadeIn {
	to {
		opacity: 1;
		pointer-events: auto;
	}
}

nav.active a {
	margin: 10px 0;
}

@media (max-width: 768px) {
	nav {
		display: none;
	}
	.menu-toggle {
		display: flex;
	}
}



/*　　index  ***************************************** */

.hero {
	position: relative;
	height: 500px;
	display: flex;
	justify-content: center;
	align-items: center;
	text-align: center;
	background-image: url('/img/top-image.png');
	background-size: cover;
	background-position: center;
	color: #fff;
}

.hero .overlay {
	background-color: rgba(0, 0, 0, 0.2);
	padding: 40px;
	border-radius: 10px;
}

.hero h1 {
	font-size: 3em;
	margin-bottom: 10px;
}

.hero p {
	font-size: 1.2em;
	margin-bottom: 20px;
}

.hero button {
	padding: 10px 20px;
	font-size: 1em;
	background-color: #238636;
	color: #fff;
	border: none;
	border-radius: 5px;
	cursor: pointer;
}

.about-wrapper {
	background: linear-gradient(135deg, #555, #999, #ddd, #999, #555);
	background-size: 400% 400%;
	animation: metallicShift 10s ease infinite;
	padding: 50px 0;
	position: relative;
}

@keyframes metallicShift {
	0% { background-position: 0% 50%; }
	50% { background-position: 100% 50%; }
	100% { background-position: 0% 50%; }
}

.about {
	background-color: #fff;
	padding: 30px;
	border-radius: 10px;
	max-width: 800px;
	margin: 0 auto;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.about h2 {
	font-size: 2rem;
	margin-bottom: 20px;
	color: #333;
}

.about p {
	font-size: 1rem;
	color: #555;
	line-height: 1.6;
	margin-bottom: 15px;
}

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

section.solutions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	padding: 50px 20px;
	background-color: #DDDDDD;
}

.card {
	background-color: #fff;
	border-radius: 15px;
	margin: 15px;
	padding: 20px;
	width: 250px;
	box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
	transition: transform 0.3s, box-shadow 0.3s;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
}

.card img {
	width: 75%;
	height: auto;
	object-fit: cover;
	margin-bottom: 15px;
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.card h3 {
	font-size: 1.2rem;
	margin-bottom: 10px;
	color: #333;
}

.card p {
	font-size: 0.95rem;
	color: #666;
}

.card:hover {
	transform: translateY(-8px);
	box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.card h3 {
	margin-top: 0;
	margin-bottom: 10px;
	font-size: 1.2em;
}
/*　************************************************** */




footer {
	text-align: center;
	padding: 20px;
	background-color: #0d1117;
	font-size: 0.9em;
}