@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100;300&display=swap');

html {
	font-size: 100%;
}

img {
	max-width: 100%;
	vertical-align: top;
}

a,
p,
li {
	text-decoration: none;
	font-family: 'Noto Sans JP', sans-serif;
	font-weight: 300;
}

a {
	color: inherit;
}

#title-works,
#title-about {
	text-decoration: none;
	font-family: 'Noto Sans JP', sans-serif;
	font-weight: 300;
	color: #000000;
	text-align: center;
	font-size: 30px;
	letter-spacing: 0.3em;
	margin-bottom: 60px;
	padding-top: 140px;
	opacity: 0;
	transform: translateY(40px);
	transition: 3s ease;
}

#title-contact {
	text-decoration: none;
	font-family: 'Noto Sans JP', sans-serif;
	font-weight: 300;
	color: #999999;
	text-align: center;
	font-size: 30px;
	letter-spacing: 0.3em;
	margin-bottom: 60px;
	padding-top: 140px;
	opacity: 0;
	transform: translateY(40px);
	transition: 3s ease;
}

/* header navi */
#toggle {
	position: fixed;
	top: 40px;
	right: 40px;
	z-index: 100;
}

#toggle-box {
	position: relative;
	width: 36px;
	height: 24px;
	cursor: pointer;
}

#toggle-box > span {
	width: 100%;
	height: 2px;
	left: 0;
	display: block;
	background: #000;
	position: absolute;
	transition: transform .6s ease-in-out;
}

#toggle-box > span:nth-child(1) {
	top: 0;
}

#toggle-box > span:nth-child(2) {
	top: 50%;
	transform: translatey(-50%);
}

#toggle-box > span:nth-child(3) {
	bottom: 0;
}

.is-open #toggle-box > span {
	background: #fff;
}

.is-open #toggle-box > span:nth-child(1) {
	top: 50%;
	transform: rotate(45deg) translatey(-50%);
}

.is-open #toggle-box > span:nth-child(2) {
	width: 0;
}

.is-open #toggle-box > span:nth-child(3) {
	top: 50%;
	transform: rotate(-45deg) translatey(-50%);
}

#navi {
	z-index: -1;
	overflow: auto;
	width: 100%;
	height: 100vh;
	background: rgba(0, 0, 0, 0.8);
	color: #fff;
	position: fixed;
	top: 0;
	left: 0;
	text-align: left;
	opacity: 0;
	align-items: center;
	display: flex;
	justify-content: center;
}

#navi ul {
	font-size: 34px;
	list-style: none;
	letter-spacing: 0.3em;
	position: absolute;
}

#navi a {
	display: block;
	color: #fff;
	text-decoration: none;
	padding: 20px 0;
	transition: opacity .6s ease;
	pointer-events: none;
}

#navi a:hover {
	opacity: 0.6;
}

.is-open {
	overflow: hidden;
}

.is-open #navi {
	z-index: 50;
	height: 100vh;
	visibility: visible;
	opacity: 1;
	transition: opacity .6s ease, visibility .6s ease;
}

.is-open #navi a {
	pointer-events: auto;
}


/* KV */
.kv {
	height: 100vh;
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center center;
	background-image: url(../img/top.jpg);
	margin-bottom: 0px;
	z-index: 10;
}

.overlay::after {
	position: absolute;
	top: 0;
	left: 0;
	display: block;
	width: 100%;
	height: 100%;
	content: "";
	background-color: black;
	animation: fadeout-anim 4s linear forwards;

}


.site-title {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 30%;
	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
	z-index: 10;
	animation: fadeout-anim 3s linear forwards;
}

@keyframes fadeout-anim {
	100% {
		opacity: 0;
	}
}

/* main */

.main-category {
	justify-content: center;
	align-items: center;
	margin-top: 200px;
	text-align: center;
	width: 100%;
	height: auto;
	opacity: 0;
	transform: translateY(40px);
	transition: 3s ease;
}

.main-logo {
	width: 480px;
	margin: auto;
}


/* works */
.main-work {
	width: 100%;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: center;
	padding-left: 5%;
	padding-right: 5%;
	gap: 40px;
}


.work-ul {
	flex-basis: 35%;
	opacity: 0;
	transform: translateY(40px);
	transition: 3s ease;
}


/* about */
.about {
	margin-top: 140px;
	padding-bottom: 140px;
	background-color: rgb(237, 237, 237);
}

.main-about {
	opacity: 0;
	transform: translateY(40px);
	transition: 3s ease;
}

section {
	display: block;
	width: 100%;
	justify-content: center;
	align-items: center;
	padding-left: 30%;
	padding-right: 30%;
}

.about-list {
	list-style: none;
	color: #666666;
	font-size: 16px;
	line-height: 2.5;
	letter-spacing: 0.05em;
}

.about-list-en {
	list-style: none;
	color: #666666;
	font-size: 14px;
	line-height: 2;
	letter-spacing: 0.05em;
}

.about-p {
	color: #666666;
	font-size: 16px;
	line-height: 2;
	letter-spacing: 0.05em;
}

.about-p-en {
	color: #666666;
	font-size: 14px;
	line-height: 1.9;
	letter-spacing: 0.05em;
	margin-top: 16px;
}

/* contact */
.contact {
	padding-bottom: 140px;
	background-color: black;
}

.contact-p {
	padding-left: 25%;
	padding-right: 25%;
	padding-bottom: 10px;
	text-decoration: none;
	font-family: 'Noto Sans JP', sans-serif;
	font-weight: 300;
	color: #999999;
	text-align: center;
	font-size: 16px;
	letter-spacing: 0.1em;
	line-height: 2;

}

.contact-p-en {
	padding-left: 25%;
	padding-right: 25%;
	padding-bottom: 40px;
	text-decoration: none;
	font-family: 'Noto Sans JP', sans-serif;
	font-weight: 300;
	color: #999999;
	text-align: center;
	font-size: 14px;
	letter-spacing: 0.1em;
	line-height: 1.8;
}

.contact-mail {
	text-decoration: none;
	font-family: 'Noto Sans JP', sans-serif;
	font-weight: 300;
	color: #999999;
	text-align: center;
	font-size: 20px;
	letter-spacing: 0.15em;
}

.contact-p,
.contact-p-en,
.contact-mail {
	opacity: 0;
	transform: translateY(40px);
	transition: 3s ease;
}

/* footer */
#footer {
	background-color: #000000;
	color: #696969;
	font-size: 11px;
	letter-spacing: 0.05em;
	padding: 20px 20px;
	text-align: center;
	display: flex;
}

.footer-wrapper {
	width: 100%;
	max-width: 0 auto;
	margin: 0 auto;
	padding: 0 40px;
}


/* sp */
@media screen and (max-width:480px) {
	#navi ul {
		font-size: 24px;
	}

	#title-works,
	#title-about,
	#title-contact {
		padding-top: 100px;
		font-size: 24px;
		margin-bottom: 30px;
	}

	/* top */
	.site-title {
		width: 70%;
	}

	.main-category {
		margin-top: 140px;
	}

	.main-logo {
		width: 70%;
		margin-left: 15%;
		margin-right: 15%;
	}


	/* works */
	.main-work {
		width: 100%;
		display: block;
		justify-content: center;
		padding-left: 5%;
		padding-right: 5%;
	}


	.work-ul {
		opacity: 0;
		transform: translateY(40px);
		transition: 3s ease;
		margin-bottom: 5%;
	}

	/* about */
	.about {
		margin-top: 140px;
		padding-bottom: 140px;
		background-color: rgb(237, 237, 237);
	}

	.main-about {
		opacity: 0;
		transform: translateY(40px);
		transition: 3s ease;
	}

	section {
		display: block;
		width: 100%;
		justify-content: center;
		align-items: center;
		padding-left: 8%;
		padding-right: 8%;
	}

	.about-list {
		list-style: none;
		color: #666666;
		font-size: 14px;
		line-height: 2.5;
		letter-spacing: 0.05em;
	}

	.about-list-en {
		list-style: none;
		color: #666666;
		font-size: 12px;
		line-height: 2;
		letter-spacing: 0.05em;
	}

	.about-p {
		color: #666666;
		font-size: 14px;
		line-height: 2;
		letter-spacing: 0.05em;
	}

	.about-p-en {
		color: #666666;
		font-size: 12px;
		line-height: 1.9;
		letter-spacing: 0.05em;
		margin-top: 16px;
	}

	/* contact */
	.contact {
		padding-bottom: 100px;
		background-color: black;
	}

	.contact-p {
		padding-left: 8%;
		padding-right: 8%;
		padding-bottom: 10px;
		text-decoration: none;
		font-family: 'Noto Sans JP', sans-serif;
		font-weight: 300;
		text-align: center;
		font-size: 14px;
		letter-spacing: 0.1em;
		line-height: 2;
	}

	.contact-p-en {
		padding-left: 8%;
		padding-right: 8%;
		padding-bottom: 30px;
		text-decoration: none;
		font-family: 'Noto Sans JP', sans-serif;
		font-weight: 300;
		text-align: center;
		font-size: 12px;
		letter-spacing: 0.1em;
		line-height: 1.8;
	}

	.contact-mail {
		text-decoration: none;
		font-family: 'Noto Sans JP', sans-serif;
		font-weight: 300;
		text-align: center;
		font-size: 18px;
		letter-spacing: 0.15em;
	}
}