/* 設定CSS變數 */
:root{    
    --pri01:#3B264A; /*主色1紫*/
	--pri02:#873E76; /*主色2淺紫*/
    --pri03:#BD84A5; /*主色3淡紫*/
    --pri04:#CCBAD6; /*主色4極淡紫*/
    --pri05:#FFD7BF; /*主色5黃*/
    --pri05a:#F7F2EB; /*主色5黃a*/
    --pri05b:#EFE4D6; /*主色5黃b*/
    --pri05c:#B69262; /*主色5黃c*/
    --pri05d:#91642A; /*主色5黃d*/
    
	--pd:2rem;     /* 通用距離 */
	--pdh:1rem;    /* 通用距離x.5 */
	--pd2:4rem;    /* 通用距離x2 */
	
	--fsXS:1rem;    /* 字體大小XS */
	--fsS:1.4rem;   /* 字體大小S */
	--fsP:1.8rem;   /* 字體大小P */
	--fsM:2.6rem;     /* 字體大小M */
	--fsL:3.4rem;   /* 字體大小L */
	--fsXL:4.2rem;  /* 字體大小XL */
	--fsXL2:5.2rem; /* 字體大小XXL */
	
	--vh100:100vh; /* 透過js計算真正的100vh */
	--maxW:1440px;  /* 最大內容寬度 */
	
    --gradient01: linear-gradient(0deg, #CF9AD6 0%, #280343 100%); /* 漸層 */
    
}
/* 專案CSS */
html, body{ font-size: 10px; background-color: #000;} /* 1rem */
body *{ background-position: center; background-repeat: no-repeat;}
.pc{ display: inline-block;}
.mobile{ display: none;}
.mainContent{ font-size: 0;}
.container{ display: block; width: 100%; max-width: var(--maxW); margin: 0 auto; padding: var(--pd2) var(--pd);}

h1,h2,h3,h4,h5,h6,p{ line-height: 1.5; font-weight: 400;}
h1{font-size: var(--fsXL2); font-weight: 700;}
h2{font-size: var(--fsXL2); font-weight: 700;}
h3{font-size: var(--fsXL); font-weight: 700;}
h4{font-size: var(--fsL); font-weight: 600;}
h5{font-size: var(--fsM); font-weight: 600;}
h6{font-size: var(--fsM);}
p {font-size: var(--fsP);}

.ws0{ letter-spacing: 0!important;}
h3.title, h4.title{ color: #000; font-weight: 400; margin-bottom: var(--pdh); letter-spacing:.4rem;}
h3.title{ font-size: var(--fsXL2);}
h4.title{ font-size: var(--fsXL);}

/* a.btn設定 */
a.btn{padding:1.4rem 3rem; background-color:var(--pri01); font-size: var(--fsP); line-height: 1; letter-spacing: 2px; color:#FFF; transition:.5s; border-radius: 1rem 1rem 1rem 0;}
a.btn::before{ content: ""; width: var(--fsM); height: var(--fsM); vertical-align: middle; margin-right: 1rem; background-image: url(../Images/icons/icon-mail.svg); background-size: contain; background-repeat: no-repeat;}
a.btn span{ display: inline-block; vertical-align: middle;}
a.btn.disable{ background-color: var(--pri05); color: #FFF; pointer-events: none;}
a.btn:hover{ background-color:var(--pri02);}

a.btn.small{ font-size: 14px; padding: 5px 8px;}
a.btn.small::before,
a.btn.small::after{ font-size: 20px; vertical-align: bottom;}
a.btn.Large{ font-size: 26px; padding: 10px 45px; letter-spacing: 5px;}
a.btn.Large::before,
a.btn.Large::after{ font-size: 30px; vertical-align: bottom; margin-right: 5px;}

.btnbox{ display: inline-block; width: 100%; text-align: center; margin-top: var(--pd2);}

.btngroup{ display: inline-block; font-size: 0;}
.btngroup a.btn{ border-radius: 0; border-right: 1px solid #FFF; padding: 10px 25px; margin: 0; font-size: 18px;}
.btngroup a.btn:first-child{ border-top-left-radius: 50%; border-bottom-left-radius: 50%; padding-left: 40px; }
.btngroup a.btn:last-child{ border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-right: none; padding-right: 40px;}
.btngroup.Large a.btn{ font-size: 26px; letter-spacing: 5px; padding: 14px 40px; }
.btngroup.Large a.btn:first-child{padding-left: 50%;}
.btngroup.Large a.btn:last-child{padding-right: 50%;}

.block{ display: block; width: 100%; padding: var(--pd2) 0; margin: 0; font-size: 0; position: relative;}
.block.w50{ display: inline-block; width: 50%; vertical-align: top;}
.block.w50 .container{ width: 100%; max-width: calc(var(--maxW)/2); margin: 0 0 0 auto;}
.block.w50 + .block.w50 .container{ margin: 0 auto 0 0;}

.article{ display: flex;}
.article .container{ display: block; width: 100%;}
.article .textarea{ display: block; max-width: 500px; margin: 0 auto;}
.article .photo{ display: block; width: 100%; max-width: 500px; margin: 0 auto; position: relative; background-size: cover;}
.article .photo::after{ content: ""; display: block; padding-top: 100%;}

.iconlist{ display: flex; align-items: flex-start; justify-content: space-between; width: 100%; margin: var(--pd2) auto; text-align: center;}
.iconlist dl{ display: inline-block; padding: .5rem; width: calc(100%/5); max-width: 210px;}
.iconlist dt img{ border: 2px solid #FFF; border-radius: 50%;}
.iconlist dd { color: #FFF; margin-top: var(--pd);}

.lightbox{ display: none; position: fixed; top: 0; left: 0; z-index: 999; width: 100%;  height: 100vh; }
.lightbox.on{ display: flex; align-items: center; justify-content: center;}
.lightbox b.bg{ display: inline-block; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,.8); z-index: 1;}
.lightbox a.close{position: absolute; top: .5rem; right: .5rem; font-size: 3.5rem; line-height: 1; padding: 0; color: #000; transition: .3s;}
.lightbox a.close:hover{ color: var(--pri02);}
.lightbox .content{ max-width: calc(100% - 5rem); position: relative; z-index: 5; background-color: #FFF; border-radius: 3rem 0 3rem 3rem; padding: var(--pd2);}
.lightbox .container{ padding: 0;}
.lightbox h4.title{ letter-spacing: 0;}
.lightbox h4.title2{ font-size: var(--fsL); font-weight: 400;}
.lightbox .link-box{ display: flex; align-items: center; justify-content: space-evenly; font-size: var(--fsM); margin-top: var(--pd2);}
.lightbox .link-box a{ display: inline-block; margin: 0 2rem; width: 100%; max-width: 150px; }
.lightbox .link-box a.wd{ text-align: center; max-width: none; color: #000; font-size: var(--fsM); margin: 0 2rem; }
.lightbox .link-box a img{ width: 100%;}

/* header */
header{ position: fixed; top: 0; left: 0; width: 100%; background-color: rgba(0, 0, 0, .6); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); z-index: 99;}
header .container{ display: flex; justify-content: space-between; align-items: center; padding: 1rem 0;}
header a.logo{ display: inline-block; width: 17rem; height: 4rem; margin-left: .5rem; background-image: url(../Images/logo_word_white.svg); background-size: contain; background-repeat: no-repeat; vertical-align: middle;}
header nav{display: flex; align-items: center;}
header nav,
header nav a{ font-size: var(--fsP); color: #FFF; }
header nav a{ display: inline-block; vertical-align: middle; margin: 0 .5rem;}
header nav a span{ display: none;}
header nav *::before{ font-size: var(--fsM); margin-right: .5rem;}

/* kv */
.block.kv{ animation: kv_switch 60s ease-in 0s infinite; background-image: url(../Images/kv_1.jpg); background-size: cover; padding: 0;}
.kv::after{ content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(270.23deg, rgba(0, 0, 0, 0.8) 42.79%, rgba(0, 0, 0, 0.24) 99.79%); z-index: 1;}
.kv .container{ display: block; width: 100%; height: 95vh; position: relative; z-index: 2;}
.kv img{ height: 7rem; display: inline-block;}
.kv .wd{ position: absolute; top: 50%; left: 50%; transform: translate(20%, -50%); color: #FFF; font-size: var(--fsXL); font-weight: 300; line-height: 1.5; letter-spacing: .4rem; text-align: right;}

@keyframes kv_switch{
	0% {background-image: url(../Images/kv_1.jpg);}
	24% {background-image: url(../Images/kv_1.jpg);}
	25% {background-image: url(../Images/kv_2.jpg);}
	49% {background-image: url(../Images/kv_2.jpg);}
	50% {background-image: url(../Images/kv_3.jpg);}
	74% {background-image: url(../Images/kv_3.jpg);}
	75% {background-image: url(../Images/kv_4.jpg);}
	99% {background-image: url(../Images/kv_4.jpg);}
	100% {background-image: url(../Images/kv_1.jpg);}
}



/* concept */
.aboutblock{ display: flex;}

.block.concept{ background-color: var(--pri05a);}
.concept .container{ padding-right: var(--pd2);}
.article.concept .photo{ animation: cp_switch 40s ease-in 0s infinite; background-image: url(../Images/concept_1.jpg); border-radius: 0 8rem 0 3rem; margin-top: var(--pd);}

@keyframes cp_switch{
	0% {background-image: url(../Images/concept_1.jpg);}
	32% {background-image: url(../Images/concept_1.jpg);}
	33% {background-image: url(../Images/concept_2.jpg);}
	65% {background-image: url(../Images/concept_2.jpg);}
	66% {background-image: url(../Images/concept_3.jpg);}
	99% {background-image: url(../Images/concept_3.jpg);}
	100% {background-image: url(../Images/concept_1.jpg);}
}

/* story */
.block.story{background-color: var(--pri05b);}
.story .container{ padding-left: var(--pd2);}
.article.story .photo{ animation: st_switch 40s ease-in 1s infinite; background-image: url(../Images/story_1.jpg); border-radius: 8rem 0 3rem 0; margin-bottom: var(--pd);}

@keyframes st_switch{
	0% {background-image: url(../Images/story_1.jpg);}
	32% {background-image: url(../Images/story_1.jpg);}
	33% {background-image: url(../Images/story_2.jpg);}
	65% {background-image: url(../Images/story_2.jpg);}
	66% {background-image: url(../Images/story_3.jpg);}
	99% {background-image: url(../Images/story_3.jpg);}
	100% {background-image: url(../Images/story_1.jpg);}
}

/* service */
.block.service{background-color: var(--pri05c);}
.service .title{ text-align: center; color: #FFF;}

.service a.btn{ background-color:var(--pri05d); border: 1px solid var(--pri05d);}
.service a.btn:hover{ background-color:var(--pri05c); border-color: #FFF;}

/* why */
.block.why{background-image: url(../Images/whysig.jpg); background-size: cover; padding: 0;}
.why .container{ display: block; width: 100%; height: 90vh; position: relative; z-index: 2;}
.why .wd{ color: #FFF; text-align: center; position: absolute; width: 100%; padding: 0 var(--pd); top: 20%; left: 0;}
.why h3.title{color: #FFF;}

/* reason */
.block.reason{background-color: var(--pri04);}
.reason .title{ text-align: center;}
.reason .iconlist dl img{ border-color: #000; border-radius: 0 5rem;}
.reason .iconlist dl:nth-of-type(n+3) img{ border-radius: 5rem 0;}
.reason .iconlist dd { color: #000;}


/* footer */
footer{ background-color: #1E1E1E;}
footer .container{ color: #FFF; text-align: center; font-size: var(--fsS); padding: var(--pd);}
footer img{ height: 2.5rem; display: inline-block; vertical-align: middle; margin-right: .5rem;}

@media screen and (max-width: 640px) {
	:root{
		--pd:1rem;     /* 通用距離 */
		--pdh:.5rem;    /* 通用距離x.5 */
		--pd2:2rem;    /* 通用距離x2 */

		--fsM:2.2rem;     /* 字體大小M */
		--fsL:2.8rem;   /* 字體大小L */
		--fsXL:3.4rem;  /* 字體大小XL */
		--fsXL2:4.2rem; /* 字體大小XXL */
	}

	/* width */
	html, body{ font-size: 14px;}
	.pc{ display: none;}
	.mobile{ display: inline-block;}
	.block{ padding: 5rem 0;}

	.iconlist dl{ max-width: 300px;}
	.lightbox .content{ padding: 4rem 2rem 2rem;}
	header a.logo{ margin-left: 1rem;}
	header nav *::before{ font-size: var(--fsL);}

	.kv::after{background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 20%, rgba(0, 0, 0, 0.24) 100%);}
	.kv .container,
	.why .container{ height: 100vh;}
	.kv .wd{ right: var(--pd); left: auto; transform: translateY(-50%);}

	.aboutblock{flex-direction: column;}
	.block.w50{ width: 100%;}
	a.btn.contact{ width: 90%; padding: var(--pd); font-size: var(--fsM);}
	a.btn.contact::before{ width: var(--fsL); height: var(--fsL);}
	
	.iconlist{ justify-content: space-evenly; flex-wrap: wrap;}
	.iconlist dl{ width: calc(100%/2);}
	.reason .iconlist dl:nth-of-type(odd) img{ border-radius: 0 5rem;}
	.reason .iconlist dl:nth-of-type(even) img{ border-radius: 5rem 0;}
}