@charset "UTF-8";

header .head_ttl::before {
	content: "コンセプト";
	line-height: 1;
	margin: 4px 0 0;
}
.gnav li a.concept{
	background: #eee;
	color: #000;
}

#concept01{
	background: url(../img/concept/concept01_bg.jpg);
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center top;
	padding: 100px 0 100px;
	position: relative;
}
#concept01 .com_inner{
	position: relative;
	z-index: 2;
}

#common_footer{
	position: relative;
	z-index: 3;
	background: #fff;
}

.concept_ttl{
	writing-mode: vertical-rl;
	margin: 0 auto;
	color: #604d3f;
	font-size: 64px;
	letter-spacing: 0.4em;
	white-space: nowrap;
	width: 1em;
}

.mark{
	max-width: 750px;
	aspect-ratio: 750/635;
	margin: 0 auto;
	position: relative;
	transition: 1s;
	pointer-events: none;
	z-index: 1;
}
.mark.fixed{
	opacity: 0.2;
}

.mark.fixed #mark_icon{
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	/* z-index: 100; */
	max-width: 750px;
	padding: 0 20px;
	box-sizing: content-box;
}
.mark.fixed.stopped #mark_icon {
	position: absolute;
	transform: translate(-50%, -50%);
	width: 100%;
}



.diamond_box{
	position: relative;
	z-index: 2;
	margin: 0 auto 80px;
	max-width: 1200px;
}
.dia_ab{
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	opacity: 0;
	transition: 2s;
}
.dia_main{
	position: relative;
	z-index: 4;
	transition: 1s;
	filter: blur(50px);
}
.is-show .dia_main{
	filter: blur(0px);
}
.dia_shdw{
	filter: blur(50px);
	position: absolute;
	left: 0;
	top: 0;
	z-index: 3;
	mix-blend-mode: multiply;
	width: 100%;
	transition: 1s;
}
.is-show .dia_shdw{
	filter: blur(0px);
}

.dia_shdw{
	
}
.dia_img{
	z-index: 1;
}
.dia_text{
	z-index: 2;
}

.is-show .dia_ab{
	opacity: 1;
}
.is-show .dia_ab{
	opacity: 1;
}

.delay01{
	transition-delay: 1s;
}
.delay02{
	transition-delay: 1.5s;
}
.delay03{
	transition-delay: 2s;
}
.delay04{
	transition-delay: 2.5s;
}
.delay05{
	transition-delay: 3s;
}




.concept_lead{
	text-align: center;
	font-size: 20px;
	line-height: 2.5;
	color: #604d3f;
}




#concept02{
	background: url(../img/concept/concept02_bg.jpg);
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center top;
	padding: 100px 0 100px;
	position: relative;
}
#concept02 .com_inner{
	position: relative;
	z-index: 2;
}
.concept_lead.gold{
	color: #b69c68;
}

.premier_ttl{
	max-width: 400px;
	margin: 0 auto 60px;
}




@media screen and (max-width: 1200px) {
.concept_ttl {
    font-size: 52px;
}
.mark {
    max-width: 600px;
    aspect-ratio: 600/484;
}
.mark.fixed img{
	max-width: 600px;
}
.concept_lead {
    font-size: 18px;
}
}


@media screen and (max-width: 1000px) {
#concept01 {
    padding: 60px 0 80px;
}
#concept02 {
    padding: 80px 0 80px;
}
.premier_ttl {
    max-width: 340px;
    margin: 0 auto 40px;
}
}


@media screen and (max-width: 650px) {
.concept_ttl {
    font-size: 38px;
}
.mark {
    width: 90%;
    max-width: 500px;
    aspect-ratio: 500/403;
}
.mark.fixed img{
	max-width: 500px;
	width: 90%;
}
.concept_lead {
    font-size: 14px;
}
.premier_ttl {
    max-width: 290px;
}
.diamond_box {
    margin: 0 auto 60px;
}
#concept01 {
    padding: 60px 0 60px;
}
#concept02 {
    padding: 60px 0;
}
}