@charset "utf-8";
/* CSS Document */

/*---------------------------------------------------------
 タイの見た目に合わせるためのcss
 common.css, module.css, products.css より必要なスタイルを抜粋
---------------------------------------------------------*/
/* breadcrumb
---------------------------------------*/
.breadcrumb {
	background: none;
}

/* module
---------------------------------------*/
.page-head--simple {
    position: relative;
    padding: 4rem 2rem 2rem;
    background: none;
}
.page-head--simple h1 {
    margin: 0;
    line-height: 1.25;
    font-size: 3.3rem;
    font-weight: 400;
    text-align: center;
    opacity: 0;
    animation-name: fadeinDown;
    animation-duration: 1s;
    animation-iteration-count: 1;
    animation-delay: .3s;
    animation-fill-mode: forwards;
}
.page-head--simple .page-sub-ttl {
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 400;
    font-size: 1.8rem;
    color: #50555A;
    animation-name: fadein;
    animation-duration: 1.3s;
    animation-iteration-count: 1;
    animation-delay: .7s;
    animation-fill-mode: forwards;
    opacity: 0;
}
@media screen and (min-width : 768px) {
    .page-head--simple {
        padding: 5.5rem 13% 5rem;
    }
    .page-head--simple h1 {
        font-size: 3.6rem;
    }
    .page-head--simple .page-sub-ttl {
        margin-bottom: 2rem;
        font-size: 2.0rem;
        font-weight: 400;
    }
}
@media screen and (min-width : 1281px) {
    .page-head--simple h1 {
        font-size: 4.0rem;
    }
}

/* Content Title */
h1, h2, h3, h4, h5 {
    margin: 0 0 1.5rem;
}
h2 {
    position: relative;
    margin: 1rem 0 2rem;
    line-height: 1.3;
    font-weight: 300;
    font-size: 3.0rem;
    text-align: center;
}
*+h2 { margin-top: 3.5rem }
@media screen and (min-width : 768px) {
    h2 {
        margin: 1rem 0 2.5rem;
        line-height: 1.5;
        font-size: 3.6rem;
    }
    *+h2 { margin-top: 5rem }
}
@media screen and (min-width : 1281px) {
    h2 {
        font-size: 4.0rem;
        font-weight: 500;
    }
}

h3 {
    margin: 1rem 0 1.5rem;
    font-weight: 300;
    font-size: 2.2rem;
}
*+h3 { margin-top: 3rem }
h2+h3 { margin-top: 1rem }
@media screen and (min-width : 768px) {
    h3 {
        margin-bottom: 3rem;
        font-size: 2.8rem;
    }
    *+h3 { margin-top: 3.5rem }
    h2+h3 { margin-top: 2rem }
}
@media screen and (min-width : 1281px) {
    h3 {
        font-size: 3.2rem;
    }
}

h4 {
    display: block;
    margin: 1rem 0 1.5rem;
    padding: .5rem 0;
    text-align: center;
    line-height: 1.4;
    font-weight: 300;
    font-size: 1.8rem;
}
h3+h4 { margin-top: 0 }
*+h4 { margin-top: 2rem }
@media screen and (min-width : 768px) {
    h4 {
        font-size: 1.6rem;
    }
    *+h4 { margin-top: 3rem }
}
@media screen and (min-width : 1281px) {
    h4 {
        font-size: 1.8rem;
    }
}

h5 {
    margin: 1rem 0 1.5rem;
    font-weight: 300;
    font-size: 1.6rem;
}
h4+h5 { margin-top: 0 }
@media screen and (min-width : 768px) {
    h5 {
        font-size: 1.6rem;
    }
}
@media screen and (min-width : 1281px) {
    h5 {
        font-size: 1.8rem;
    }
}

@media screen and (min-width: 1000px) {
    .inner {
        width: 1200px;
    }
}

/* Columns
---------------------------------------*/
/* .two-columns a, .three-columns a, .four-columns a {
    display: block;
} */
.two-columns .img img, .three-columns .img img, .four-columns .img img {
    width: 100%;
}

@media screen and (max-width : 767px) {
    .two-columns, .three-columns, .four-columns {
        display: block;
        align-items: flex-start;
    }
   .two-columns > * {
        margin: 1.5rem 0;
        width: 100%;
    }
    .three-columns > * {
        margin: 1.5rem 0;
        width: 100%;
    }
    .four-columns > * {
        margin: 1.5rem 0;
        width: 100%;
    }

    .two-columns > * + *, .three-columns > * + *, .four-columns > * + * {
        margin: 4rem 0;
    }
}

@media screen and (min-width : 768px) {
    /* 2カラム */
    .two-columns {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .two-columns > * {
        width: 48%;
        margin: 1.5rem 0 1.5rem;
    }

    /* 3カラム */
    .three-columns {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        margin-right: -2.8%;
        gap: 3rem;
    }
    .three-columns > * {
        flex: 0 1 290px;
        max-width: 500px;
        margin: 1.5rem 0 0;
    }
    .inner--bigger .three-columns > * {
        max-width: 340px;
    }

    /* 4カラム */
    .four-columns {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        margin-right: -2.2%!important;
    }
    .four-columns > * {
        width: calc(100% / 4);
        max-width: 282px;
        margin: 1.5rem 2% 1.5rem 0;
    }
    .inner--bigger .four-columns > * {
        max-width: 237px;
    }

    /* 5カラム */
    .five-columns {
        margin-right: -2.5%;
    }
    .five-columns > * {
        width: 18%;
        max-width: 170px;
        margin: 1.5rem 2.5% 1.5rem 0;
    }
    .inner--bigger .five-columns > * {
        max-width: 194px;
    }
}

/* contents
---------------------------------------*/
.contents {
	padding: 0;
}

/* Series
---------------------------------------*/
/* Series Common */
.series-catchcopy {
    margin: 1.5rem 0 5rem;
    font-size: 2.0rem;
    margin-bottom: 2rem;
    font-weight: 400;
}
@media screen and (min-width : 768px) {
    .series-catchcopy {
        margin: 0 0 5rem;
        font-size: 2.8rem;
        line-height: 1.8;
    }
}
.series-outline {
    position: relative;
    width: 100%;
    margin: 0 auto 4rem;
    background-size: 100%;
}
.series-outline_img img {
    width: 100%;
}
.series-outline__spec {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 100%;
    padding: 3rem;
    color: #fff;
    text-align: left;
    background: rgba(0,0,0,.5);
}
.series-outline__spec__item {
    display: block;
    width: 100%;
}
.series-outline__spec__item + .series-outline__spec__item {
    margin: 1rem 0 0;
}
.series-outline__spec__item .ttl {
    position: relative;
}
.series-outline__spec__item .ttl::after {
    content: ':';
    display: inline-block;
}

@media screen and (min-width : 768px) {
    .series-outline {
        max-height: 600px;
        margin: 0 auto 6rem;
    }
    .series-outline__spec {
        position: absolute;
        padding: 3.5rem 5rem;
        bottom: 0;
        left: 0;
        font-size: 1.6rem;
    }
    .series-outline__spec__item {
        display: table;
        width: 100%;
    }
    .series-outline__spec__item + .series-outline__spec__item {
        margin: 0;
    }
    .series-outline__spec__item .ttl {
        position: relative;
        display: table-cell;
        width: 17%;
    }
    .series-outline__spec__item .ttl::after {
        content: ':';
        display: inline-block;
        position: absolute;
        top: 0;
        right: 0;
        margin: 0 1rem;
    }
    .series-outline__spec__item .desc {
        display: table-cell;
        width: 86%;
    }
}

/* series-projects */
.series-projects {
    padding: 5rem 0;
}
.series-projects__list__item {
    margin-top: 0;
    margin-bottom: 2rem;
}
@media screen and (min-width : 768px) {
    .series-projects {
        padding: 8rem 0 5rem;
    }
    .series-projects__list {
        margin-top: 7rem;
        margin-right: -1.8%;
        gap: 0;
    }
    .series-projects__list__item {
        flex: 0 1 31.5%;
        max-width: 380px;
        max-height: 253px;
        overflow: hidden;
        margin: 0 1.8% 2.2rem 0;
    }
}

/* series-features */
.series-features-blk {
    padding: 5rem 0 0;
}
*[class*="series-feature-"] {
    padding: 2rem 0 0;
}

@media screen and (min-width : 768px) {
    .series-features-blk {
        padding: 9rem 0 3rem;
    }
    *[class*="series-feature-"] {
        padding: 2.5rem 0 0;
    }
    .series-feature__ttl {
        font-size: 3.2rem;
    }
    .series-feature__ttl .products-feature .txt {
        margin: 4rem 0;
    }
    .series-feature__img img {
        width: 100%;
    }
}

/* series-feature-alga__exp */
.series-feature-alga__exp {
    margin: 2rem 0 0;
}
.series-feature-alga__exp__item .ttl {
    font-weight: 400;
    color: #50555A;
    text-align: center;
}
.series-feature-alga__exp__item .desc {
    margin: 1.5rem 0 2rem;
    text-align: center;
}
@media screen and (min-width : 768px) {
    .series-feature-alga__exp__item {
        display: flex;
        flex-flow: column;
    }
    .series-feature-alga__exp__item .ttl {
        font-size: 2.4rem;
        line-height: 1.5;
        flex: 0 1 72px;
    }
    .series-feature-alga__exp__item .desc {
        margin: 2rem 0 2rem;
        flex: 1 1 auto;
    }
    .series-feature-alga__exp__item .img img {
        width: auto;
        margin: 0 auto;
    }
}

/* series-base-materials */
.series-base-materials {
    margin: 4rem 0 0;
    padding: 3rem 2rem;
    background: #F5F6F7;
}
.series-base-materials__img {
    position: relative;
    font-size: 0;
}
@media screen and (min-width : 768px) {
    .series-base-materials {
        margin: 10rem auto 0;
        max-width: 1200px;
        padding: 8rem 4rem 9rem;
        background: #F5F6F7;
    }
}

/* series-feature-freezing */
.series-feature-freezing {
    margin-top: 6rem;
}
@media screen and (min-width : 768px) {
    .series-feature-freezing {
        margin-top: 8rem;
    }
}

.series-feature-freezing__exp {
    margin: 2rem 0 0;
}
.series-feature-freezing__exp .ttl {
    margin: 0 0 1.5rem;
    font-weight: 400;
    color: #50555A;
    text-align: center;
}
.series-feature-freezing__exp__item .desc {
    margin: 1.5rem 0 0;
    text-align: center;
}
@media screen and (min-width : 768px) {
    .series-feature-freezing__exp {
        margin: 6rem 0 0;
        padding: 0 4rem;
    }
    .series-feature-freezing__exp .two-columns {
        justify-content: center;
    }
    .series-feature-freezing__exp__item {
        width: auto;
        margin: 0 2rem;
        padding: 0;
    }
    .series-feature-freezing__exp__item img {
        width: auto;
    }
    .series-feature-freezing__exp__item:first-of-type .img {
        margin-top: 3.3rem;
    }
    .series-feature-freezing__exp .ttl {
        margin: 0 0 2rem;
        font-size: 2.4rem;
    }
    .series-feature-freezing__exp__item .desc {
        margin: 2rem 0 0;
    }
}

/* series-lineup */
.series-lineup {
    margin: 7rem 0 0;
}
.series-lineup__list {
    margin: 3rem 0 0;
}
.series-lineup__img {
    margin: 4rem 0 0;
}

@media screen and (min-width : 768px) {
    .series-lineup {
        margin: 11rem 0 11rem;
    }
    .series-lineup__list {
        display: flex;
        margin: 8rem 0 0;
    }
    .series-lineup__img {
        margin: 7rem 0 7rem;
    }
    .series-lineup__img img {
        width: 100%;
    }
}

/* series-feature-video */
.series-feature-video {
    width: 100%;
}
.series-feature-video video {
    width: 100%;
}
@media screen and (min-width : 768px) {
    .series-feature-video {
		width: 100%;
        /* width: 580px;
        height: 380px; */
        margin: 0 auto;
        padding: 0;
    }
}

/* Photocatalyst
---------------------------------------*/
.photocatalyst .page-head--bg {
    background: url(../images/products/photocera/photocatalyst_main.jpg) no-repeat bottom center;
}
.photocatalyst-features-col {
    padding: 4rem 0;
}
.series-features-btn {
	margin-top: 2rem;
}
.series-features-btn .modal-trigger, .series-features-btn .accordion-btn {
	position: relative;
	display: inline-block;
	width: 100%;
	margin: 0;
	padding: 1.2rem 4.5rem 1.2rem 2.5rem;
	text-align: center;
	font-weight: 600;
	color: #006994;
	border: #006994 1px solid;
	border-radius: 2px;
	text-decoration: none;
	transition: .2s;
}
.series-features-btn .modal-trigger::after {
    display: block;
    position: absolute;
    content: '';
    top: 40%;
    right: 1.5rem;
    width: 8px;
    height: 8px;
    border-top: 2px solid #006994;
    border-right: 2px solid #006994;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    transition: .2s;
}
.series-features-btn .modal-trigger:hover, .series-features-btn .accordion-btn:hover {
    color: #fff;
    background: #006994;
    border-color: #006994;
}
.series-features-btn .modal-trigger:hover:after, .series-features-btn .accordion-btn:hover:after {
    border-color: #fff;
}

/* orange */
.series-features-btn.orange .modal-trigger, .series-features-btn.orange .accordion-btn {
	color: #EB941D;
	border: #EB941D 1px solid;
}
.series-features-btn.orange .modal-trigger::after {
    border-top: 2px solid #EB941D;
    border-right: 2px solid #EB941D;
}
.series-features-btn.orange .modal-trigger:hover, .series-features-btn.orange .accordion-btn:hover {
    color: #fff;
    background: #EB941D;
    border-color: #EB941D;
}

@media screen and (min-width : 768px) {
	.series-features-row {
		display: flex;
		justify-content: space-between;
		gap: 5rem;
	}
	.series-features-col {
		flex: 0 1 48%;
		padding: 0 0 6rem;
		margin: 0;
		display: flex;
		flex-flow: column;
		justify-content: flex-start;
	}
	.series-features-btn {
		margin-top: auto;
	}
    .photocatalyst-features-col .series-feature-video, .photocatalyst-features-col .series-features-fig {
        width: 50%;
        margin: 0 auto;
    }
    .photocatalyst-features-col .series-features-btn {
        width: 40%;
        margin: 2rem auto 0;
    }
}

.photocatalyst-features-detail {
	background-color: #F4F6F6;
	padding: 5rem 0 5rem;
}
@media screen and (min-width : 768px) {
	.photocatalyst-features-detail {
		padding: 9rem 0 9rem;
	}
}

/* accordion */
.photocatalyst-features-col .accordion-btn {
	position: relative;
	cursor: pointer;
}
.photocatalyst-features-col .accordion-btn::before {/* 横棒 */
    content: '';
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 26px;
    width: 16px;
    height: 2px;
    margin: auto;
    background: #EB941D;
    transition: .2s ease-in-out;
}
.photocatalyst-features-col .accordion-btn::after {/* 縦棒 */
    content: '';
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 33px;
    width: 2px;
    height: 16px;
    margin: auto;
    background: #EB941D;
    transition: .2s ease-in-out;
}
.photocatalyst-features-col .accordion-btn:hover:before, .photocatalyst-features-col .accordion-btn:hover:after {
    background: #fff;
}
.photocatalyst-features-col .accordion-btn.is-active::after {
    transform: rotate(90deg);
    opacity: 0;
}
.photocatalyst-features-detail {
	display: none;
	background: #F4F6F6;
    margin: 0;
}


/* 特長6つ並び */
.photocatalyst-features-list {
    margin : 4rem 0 0;
    padding: 3rem 3rem 1rem;
    background-color: #fff;
}
.photocatalyst-features__item__ttl {
    margin-top: 0;
    font-size: 1.8rem;
    text-align: center;
}
.photocatalyst-features__item__img {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    min-height: 250px;
    margin: 2rem auto;
    padding: 4rem;
    border-radius: 50%;
    background: #F0F6F9;
}
.photocatalyst-features__item__img .fig {
    text-align: center;
}
.photocatalyst-features__item__img .fig img {
    max-width: 230px;
}
.photocatalyst-features__item__img .caption {
    padding: 1rem 1rem 0;
    line-height: 1.4;
}
.photocatalyst-exp {
    margin: 5rem auto 0;
}
.photocatalyst-images {
    margin: 4rem auto 0;
}
@media screen and (min-width : 768px) {
    .photocatalyst-features-list {
        padding: 4rem 3rem 4rem;
	}
    .photocatalyst-features__item__ttl {
        margin: 0;
        font-size: 2.2rem;
    }
    .photocatalyst-features__item__img {
        width: 290px;
        height: 300px;
        margin: 2rem auto 0;
    }
    .photocatalyst-exp {
        margin: 5rem auto;
        max-width: 620px;
    }
    .photocatalyst-images {
        display: flex;
        flex-wrap: wrap;
        margin: 7rem auto 7rem;
    }
    .photocatalyst-images img {
        width: 50%;
    }
		.photocatalyst-features__item__img .caption {
			padding: 1rem 2rem 0;
	}
}


/* ページ下部ナビ */
.page_bottom_nav {
	padding: 3rem 0;
}
.page_bottom_nav_list {
	display: flex;
	flex-flow: column;
	gap: 3rem;
}
.page_bottom_nav_list_item a {
	display: inline-block;
	font-size: 1.6rem;
	color: #006994;
	text-decoration: none;
	position: relative;
}
.page_bottom_nav_list_item a::before {
    display: block;
    position: absolute;
    content: '';
    top: 40%;
    width: 6px;
    height: 6px;
    border-top: 2px solid #006994;
    border-right: 2px solid #006994;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    transition: .2s;
}
.page_bottom_nav_list_item a:hover {
	text-decoration: underline;
}
.page_bottom_nav_list_item.prev {
	margin-right: auto;
}
.page_bottom_nav_list_item.prev a {
	padding-left: 2.5rem;
}
.page_bottom_nav_list_item.prev a::before {
	left: 0;
	transform: rotate(-135deg);
}
.page_bottom_nav_list_item.next {
	margin-left: auto;
}
.page_bottom_nav_list_item.next a {
	padding-right: 2.5rem;
}
.page_bottom_nav_list_item.next a::before {
	right: 0;
}

@media screen and (min-width : 768px) {
	.page_bottom_nav {
		padding: 7rem 0 5rem;
	}
	.page_bottom_nav_list {
		flex-flow: row;
		justify-content: space-between;
		align-items: center;
		gap: 5rem;
	}
	.page_bottom_nav_list_item a {
		font-size: 1.8rem;
	}
}