@charset "utf-8";


/* ---------------------------------------------------------------------------------------------

　   mainvisual

--------------------------------------------------------------------------------------------- */

#mainvisual {
	width: 100vw;
	height: 100vh;
	min-height: 640px;
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	overflow: hidden;
}
@media screen and (max-width: 768px) {
#mainvisual {
	height: 100svh;
	min-height: 100svh;
}
}

.particles-container {
	position: relative;
	width: 100%;
	max-width: 70%;
	min-width:800px;
	aspect-ratio: 1 / 1;
	pointer-events: none;
}
@media screen and (max-width: 768px) {
.particles-container {
	max-width: 140vw;
	min-width:140vw;
}
}

.particles {
	position: absolute;
	top: 10%;
	left: 10%;
	width: 80%;
	height: 80%;
	animation: rotateParticles 120s linear infinite;
	transform-origin: center center;
}
@media screen and (max-width: 768px) {
.particles {
	top: 13%;
	left: 13%;
	width: 74%;
	height: 74%;
}
}

@keyframes rotateParticles {
	from { transform: rotate(0deg); }
	to   { transform: rotate(360deg); }
}

.intro-text {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) rotate(-6deg);
	font-size: clamp(18px, 2vw, 32px);
	font-weight: 400;
	letter-spacing: .05em;
	color: #000;
	opacity: 0;
	text-align: left;
	transition: all 4.2s ease-out;
	pointer-events: none;
	z-index: 10;
	writing-mode: vertical-rl;
	-ms-writing-mode: tb-rl;
}
#mainvisual .en-text {
	writing-mode: horizontal-tb;
	font-size: 1.8em;
	text-align: center;
}
@media screen and (max-width: 768px) {
	#mainvisual .en-text {
		font-size: 1.2em;
	}
}

.intro-text.visible {
	opacity: 1;
	transform: translate(-50%, -50%) rotate(0deg);
}

.connector {
	stroke: #000;
	stroke-width: 0.5;
	stroke-opacity: 0.2;
	stroke-dasharray: 1000;
	stroke-dashoffset: 1000;
	animation: drawLine 1s ease-out forwards;
}

.particle-wrapper {
	position: absolute;
	top: 50%;
	left: 50%;
	opacity: 0;
	transform: translate(-50%, -50%);
	animation: moveToTarget 0.8s ease-in-out forwards;
}

.particle {
	width: 3px;
	height: 3px;
	background: rgba(230, 226, 220, 1);
	border-radius: 50%;
	filter: drop-shadow(-10px -10px 2px rgba(0, 0, 0, .35));
}

.particle2 {
	width: 30px;
	height: 30px;
	background: rgba(0, 0, 0, 1);
	border-radius: 50%;
	transform: scale(0.067);
}

.label-wrapper {
	position: absolute;
	top: 0;
	left: 0;
	opacity: 0;
	transform-origin: center;
	animation: labelFloatBase 120s linear infinite;
}

.label-wrapper.top { top: -55px; }
.label-wrapper.topright { top: -40px; left: 40px; }
.label-wrapper.bottomright { top: 30px; left: 30px; }
.label-wrapper.bottomleft { top: 35px;  left: -35px; }
.label-wrapper.topleft { top: -40px; left: -50px; }

.label {
	font-size: 13px;
	font-style: italic;
	color: #000;
	pointer-events: none;
	transform-origin: center;
	opacity: 0;
}

@keyframes moveToTarget {
	from {
		top: 50%; left: 50%; 
		opacity: 0;
		transform: translate(-50%, -50%) scale(0.5);
	}
	to {
		top: var(--top); left: var(--left); 
		opacity: 1;
		transform: translate(-50%, -50%) scale(1);
	}
}

@keyframes particleFloat {
	0%   { transform: translate(0, 0) scale(1); background: rgba(230, 226, 220, 1);}
	50%  { transform: translate(5px, -5px) scale(15); background: rgba(230, 226, 220, 1);}
	100% { transform: translate(0, 0) scale(1); background: rgba(230, 226, 220, 1);}
}

@media screen and (max-width: 768px) {
@keyframes particleFloat {
	0%   { transform: translate(0, 0) scale(1); background: rgba(230, 226, 220, 1);}
	50%  { transform: translate(5px, -5px) scale(8); background: rgba(230, 226, 220, 1);}
	100% { transform: translate(0, 0) scale(1); background: rgba(230, 226, 220, 1);}
}
}

@keyframes particleFloat2 {
	0%   { transform: translate(0, 0) scale(0.067); background: rgba(0, 0, 0, 1);}
	50%  { transform: translate(5px, -5px) scale(1); background: rgba(0, 0, 0, 1);}
	100% { transform: translate(0, 0) scale(0.067); background: rgba(0, 0, 0, 1);}
}

@media screen and (max-width: 768px) {
@keyframes particleFloat2 {
	0%   { transform: translate(0, 0) scale(0.125); background: rgba(0, 0, 0, 1);}
	50%  { transform: translate(5px, -5px) scale(1); background: rgba(0, 0, 0, 1);}
	100% { transform: translate(0, 0) scale(0.125); background: rgba(0, 0, 0, 1);}
}
}

/* 回転補正アニメーション */
@keyframes labelFloatBase {
	0%   { transform: rotate(0deg); }
	100% { transform: rotate(-360deg); }
}

#mainvisual .ss-scrolldown{
	position: absolute;
	left: 50%;
	bottom: 0;
	width: 1px;
	height: 50px;
	}

#mainvisual .ss-scrolldown > div{
	position: absolute;
	left: 0;
	bottom: 0;
	width: 1px;
	height: 50px;
	}

#mainvisual .ss-scrolldown::after{
	content: "";
	position: absolute;
	top: 0;
	width: 1px;
	height: 50px;
	background-color: #000;
	animation: linemove 2s ease-in-out infinite;
	opacity:0;
	}

@keyframes linemove{
	0%{
		height:0;
		top:0;
		opacity: 0;
	}
	50%{
		height:50px;
		top:0;
		opacity: 1;
	}
	100%{
		height:0px;
		top:50px;
		opacity: 1;
	}
}



/* ---------------------------------------------------------------------------------------------

　   intro

--------------------------------------------------------------------------------------------- */

#intro {
	width: 70%;
	max-width: 800px;
	margin: 0 auto;
	margin-top: 80px;
	display:flex;
	flex-direction: column;
	}
@media only screen and ( max-width : 768px ) {
#intro {
	width: 85%;
	max-width: 85%;
	margin: 0 auto;
	margin-top: 80px;
	}
	}

#intro h2 {
	font-size: 1.5em;
	font-weight: 600;
	align-self: flex-start;
	}
@media only screen and ( max-width : 768px ) {
#intro h2 {
	font-size: 1.3em;
	}
	}

#intro p {
	margin-top: 3em;
	font-size: 1em;
	line-height: 1.8em;
	text-align: justify;
	text-justify: inter-ideograph;
	word-break:break-all;
	}

#intro img {
	margin-top: 30px;
	display: block;
	width: 110px;
	align-self: flex-end;
	}

html[lang="en-US"] #intro p {
	text-align: left;
	word-break: keep-all;
	white-space: normal;
}

/* ---------------------------------------------------------------------------------------------

　   prof

--------------------------------------------------------------------------------------------- */

#prof {
	width: 70%;
	max-width: 800px;
	margin: 0 auto;
	margin-top: 80px;
	}
@media only screen and ( max-width : 768px ) {
#prof {
	width: 85%;
	max-width: 85%;
	}
	}

#prof h3 {
	font-size: 1.2em;
	text-align: center;
	}

#prof p {
	margin-top: 3em;
	font-size: .9em;
	line-height: 1.8em;
	text-align: center;
	}

#prof div.btn {
	margin-top: 30px;
	}


/* ---------------------------------------------------------------------------------------------

　   news

--------------------------------------------------------------------------------------------- */

#news {
	width: 100%;
	margin: 0 auto;
	margin-top: 60px;
	padding: 60px 0 50px;
	border-top: 1px solid rgba(0, 0, 0, .3);
	}

#news div.inner{
	width: 80%;
	max-width: 1200px;
	margin: 0 auto;
	}

#news div.inner h3 {
	font-size: 1.5em;
	}

#news div.inner ul {
	width: 100%;
	margin-top: 35px;
	display: flex;
	flex-direction: column;
	}
@media only screen and ( max-width : 768px ) {
#news div.inner ul {
	margin-top: 25px;
	}
	}

#news div.inner ul li{
	width: 100%;
	border-bottom: 1px solid rgba(0, 0, 0, .1);
	}

#news div.inner ul li:last-child{
	border-bottom: none;
	}

#news div.inner ul li a{
	width: 100%;
	height: 100%;
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
	flex-direction: column;
	row-gap: 5px;
	background-color:rgba(0, 0, 0, 0);
	transition: background-color 0.6s ease-out;
	}

@media only screen and ( min-width : 769px ) {
#news div.inner ul li a:hover{
	background-color:rgba(0, 0, 0, .03);
	}
	}

#news div.inner ul li p{
	font-family: "Shippori Mincho", cursive, serif;
	text-align: justify;
	text-justify: inter-ideograph;
	word-break:break-all;
	line-height: 1.6em;
	padding: 20px 15px;
	}
@media only screen and ( max-width : 768px ) {
#news div.inner ul li p{
	padding: 20px 0;
	}
	}


/* ---------------------------------------------------------------------------------------------

　   blog

--------------------------------------------------------------------------------------------- */

#blog {
	width: 100%;
	margin: 0 auto;
	padding: 60px 0;
	border-top: 1px solid rgba(0, 0, 0, .3);
	}

#blog div.inner{
	width: 80%;
	max-width: 1200px;
	margin: 0 auto;
	}

#blog div.inner h3 {
	font-size: 1.5em;
	}

#blog div.inner ul {
	width: 100%;
	margin-top: 55px;
	display: flex;
	column-gap: 4%;
	align-items: stretch;
	flex-wrap: wrap;
	}
@media only screen and ( max-width : 768px ) {
#blog div.inner ul {
	margin-top: 55px;
	flex-direction: column;
	row-gap: 20px;
	}
	}

#blog div.inner ul li{
	width: 30.66%;
	}

#blog div.inner ul li a{
	width: 100%;
	height: 100%;
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
	flex-direction: column;
	row-gap: 20px;
	background-color:rgba(0, 0, 0, 0);
	padding: 0 0 20px;
	transition: background-color 0.6s ease-out;
	}

@media only screen and ( min-width : 769px ) {
#blog div.inner ul li a:hover{
	background-color:rgba(0, 0, 0, .03);
	}
	}

#blog div.inner ul li img{
	display: block;
	width: 100%;
	}

#blog div.inner ul li p{
	text-align: justify;
	text-justify: inter-ideograph;
	word-break:break-all;
	line-height: 1.6em;
	padding: 0 15px;
	}
@media only screen and ( max-width : 768px ) {
#blog div.inner ul li{
	width: 100%;
	}
#blog div.inner ul li p{
	padding: 0 0;
	}
	}

#blog div.inner ul li p.date{
	font-size: .85em;
	line-height: 1em;
	}

#blog div.btn {
	margin-top: 40px;
	}

html[lang="en-US"] #blog div.inner ul li p {
	text-align: left;
	/* word-break: keep-all; */
	white-space: normal;
}


/* ---------------------------------------------------------------------------------------------

　   outreach

--------------------------------------------------------------------------------------------- */

#outreach {
	width: 100%;
	margin: 0 auto;
	padding: 60px 0;
	border-top: 1px solid rgba(0, 0, 0, .3);
	}

#outreach div.inner{
	width: 80%;
	max-width: 1200px;
	margin: 0 auto;
	}

#outreach div.inner h3 {
	font-size: 1.5em;
	}

#outreach div.inner ul {
	width: 100%;
	margin-top: 55px;
	display: flex;
	flex-direction: column;
	}
@media only screen and ( max-width : 768px ) {
#outreach div.inner ul {
	margin-top: 25px;
	}
	}

#outreach div.inner ul li{
	width: 100%;
	border-bottom: 1px solid rgba(0, 0, 0, .3);
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
	flex-direction: column;
	row-gap: 5px;
	padding: 20px 0;
	}

#outreach div.inner ul li:last-child{
	border-bottom: none;
	}

/* #outreach div.inner ul li a{
	width: 100%;
	height: 100%;
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
	flex-direction: column;
	row-gap: 5px;
	background-color:rgba(0, 0, 0, 0);
	padding: 20px 0;
	transition: background-color 0.6s ease-out;
	} */

/* @media only screen and ( min-width : 769px ) {
#outreach div.inner ul li a:hover{
	background-color:rgba(0, 0, 0, .03);
	}
	} */

#outreach div.inner ul li p{
	font-family: "Shippori Mincho", cursive, serif;
	text-align: justify;
	text-justify: inter-ideograph;
	word-break:break-all;
	line-height: 1.6em;
	padding: 0 15px;
	}
@media only screen and ( max-width : 768px ) {
#outreach div.inner ul li p{
	padding: 0 0;
	}
}

#outreach div.inner ul li p.date{
	font-size: .85em;
	line-height: 1em;
	}

#outreach div.btn {
	margin-top: 40px;
	}

html[lang="en-US"] #outreach div.inner ul li p {
	text-align: left;
	word-break: keep-all;
	white-space: normal;
}




/* -------- */


/* ヘッダーの背景を滑らかに切り替え（任意） */
#header {
  transition: none !important;
}

/* SP時のみ、メニューOPEN中だけ背景を付ける */
@media screen and (max-width: 768px) {
	#header.is-menu-open {
		background: rgba(230, 226, 220, 1);
	}
}
