/*

*/

/********************************************************************************/

@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@700&family=Mochiy+Pop+One&display=swap');

/********************************************************************************/

body {
	font-family: 'Mochiy Pop One', sans-serif;
	margin: 0;
	background: linear-gradient(#6BCDF8, #FFFFFF);
	line-height: 1.6;
	overflow-x: hidden;
	width: 100vw;
}

::-webkit-scrollbar {
    display: none;
}

a {
	color: inherit;
	text-decoration: none;
}

hr {
	margin: 2rem 0;
	border: 1px dashed #000;
}

main {
	margin: 5%;
	overflow-x: clip;
}

/********************************************************************************/

#header {
	height: 50vh;
	background-position: center;
	background-repeat: no-repeat;
	display: flex;
	justify-content: center;
	align-items: center;
}

#header > p {
	font-size: 8rem;
	color: #eef;
	text-shadow: 2px 2px 4px #000;
	opacity: 0;
	animation: slideIn 2s forwards;
	animation-delay: 0.5s; /* アニメーションの開始を遅らせる */
}

@keyframes slideIn {
	from {
		opacity: 0;
		transform: translateY(-50%);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes slideOut {
	from {
		opacity: 1;
		transform: translateY(0);
	}
	to {
		opacity: 0;
		transform: translateY(-50%);
	}
}

@keyframes fadeIn {
	from { opacity: 0; }
	to { opacity: 1; }
}

@keyframes fadeOut {
	from { opacity: 1; }
	to { opacity: 0; }
}

/********************************************************************************/

.content-title {
	text-align: center;
	font-size: 2rem;
	line-height: 2rem;
}

.description {
	text-align: center;
	font-size: 1.5rem;
	line-height: 2rem;
}

/********************************************************************************/

.card {
	border-radius: 15px;
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
	overflow: hidden;
	transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.card:hover {
	transform: scale(1.05);
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

/********************************************************************************/

/***** Snow Particle *****/

#snow-particle-canvas {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
}

/********************************************************************************/

/***** Footer *****/

#footer {
	margin-top: 60px;
}

#footer-kusa {
	height: 34px;
	background-image: url("assets/kusa_simple2.png");
	background-repeat: repeat-x;
}

#footer-text {
	text-align: center;
	padding: 20px;
	background-color: #A4F86B;
}

#footer-text > * {
	color: #000;
}

/********************************************************************************/

#external-link-button-list {
	position: absolute;
	left: 10px;
	top: 10px;
	display: flex;
}

/* 
#lamy-external-link-button-list {
	position: absolute;
	right: 10px;
	top: 10px;
	display: flex;
}
*/

.external-link-button {
	margin: 5px;
	width: 50px;
	height: 50px;
}

.external-link-button-background {
	width: 45px;
	height: 45px;
	border-radius: 100%;
	border:  2px solid #000;
	display: flex;
	justify-content: center;
	align-items: center;
}

.external-link-button a {
	display: block;
	width: 100%;
	height: 100%;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center center;
}

/********************************************************************************/

.black-background {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background-color: #000a;
	z-index: -1;
}

.left-arrow, .right-arrow {
	width: 40px;
	height: 40px;
}

hr.vertical {
	border: none;
	border-left: 1px dashed #000;
	height: 20rem;
}