/* root
----------------------------------------- */
:root {
	--main-width: 1152px; /* 1280 - 128 */
	--main-padding: 32px;
	--navi-padding: 8px;
	--navi-v-padding: 6px;
	--content-padding: 24px;
	--content-padding-side: 8px;
	--footer-padding: 8px;

	--paragraph-padding: 16px;

	--text-color: #333;
	--sub-text-color: #666;
	--bg-color: #fff;
	--hover-text-color: #000;
	--hover-bg-color: #cf3;
	--hover-content-text-color: #000;
	--selection-text-color: #333;
	--selection-bg-color: #cf3;

	--border-color: #999;
	--border-thin-color: #ccc;
	--slider-color: #ccc;
	--slider-hover-color: #333;
	--image-border-color: rgba(50,50,50,0.15);

	--hamburger-size: 32px;
	--hamburger-padding: 16px;
	--hamburger-content-width: 100%;
	--hamburger-content-height: 100%;

	--mobile-padding: 24px;

	--font-light: 300;
	--font-book: 400;
	--font-medium: 500;
	--font-bold: 700;

	--font-size-basic: 13px;
}

@keyframes show {
	from {opacity: 0;}
	to {opacity: 1;}
}

/* body
----------------------------------------- */
body {
	color: var(--text-color);
	background-color: var(--bg-color);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	-webkit-text-size-adjust: 100%;
					text-size-adjust: 100%;
	-webkit-tap-highlight-color: rgba(0,0,0,0);
	-webkit-tap-highlight-color: transparent;
}

::selection {
	color: var(--selection-text-color);
	background: var(--selection-bg-color);
}

::-moz-selection {
	color: var(--selection-text-color);
	background: var(--selection-bg-color);
}

/* anchor
----------------------------------------- */
a, a:visited, a:link, a:active {
	color: var(--text-color);
}

a:hover {
	color: var(--hover-text-color);
}

#content a:hover {
	color: var(--hover-content-text-color);
}

a > img:hover {
	opacity: 0.75;
	filter: alpha(opacity=75);
}

a.underline {
	text-decoration: underline;
}

/* #container
----------------------------------------- */
#container {
	max-width: calc(var(--main-width) - var(--main-padding) * 2);
	padding-left: var(--main-padding);
	padding-right: var(--main-padding);
	margin-left: auto;
	margin-right: auto;
}

#wrap {
	padding-bottom: 24px;
	margin-top: var(--main-padding);
}

/* #content
----------------------------------------- */
#content {
	width: calc(85% - var(--content-padding) * 2);
	float: right;
}

#content.works {
	width: calc(65% - var(--content-padding));
}

/* #header
----------------------------------------- */
header {
	padding: var(--main-padding) 0;
	border-bottom: 1px solid var(--border-color);
}

header a#top {
	display: block;
	width: 280px;
	height: 24px;
	background-image: url("../img/cn-logo-top.svg");
	background-size: 280px 24px;
	opacity: 1.0;
}

/* #footer
----------------------------------------- */
footer {
	margin-top: 0;
	padding-bottom: var(--main-padding);
}

footer div#footer-social {
	border-top: 1px solid var(--border-thin-color);
	padding: var(--footer-padding) 0;
}

footer div.social {
	float: left;
}

footer div.social a {
	width: 16px;
	height: 16px;
	margin-right: 6px;
	background-size: 16px 16px;
	opacity: 0.5;
	float: left;
}

footer div.social a.instagram {background-image: url("../img/icon-instagram.svg");}
footer div.social a.twitter {background-image: url("../img/icon-twitter.svg");}

footer div.social a.instagram:hover,
footer div.social a.twitter:hover {
	opacity: 1.0;
}

footer div#footer-copyright {
	border-top: 1px solid var(--border-color);
	padding: var(--footer-padding) 0 0 0;
}

footer p.copyright {
	width: calc(100% - 12px);
	font-size: 10px;
	line-height: 1.0em;
	text-transform: uppercase;
	float: left;
}

footer p.movetotop {
	width: 12px;
	height: 12px;
	content: "";
	cursor: pointer;
	background-image: url("../img/move-to-top.svg");
	background-size: 12px 12px;
	background-position: 0 0;
	opacity: 0.5;
	float: right;
}

footer p.movetotop:hover {
	opacity: 1.0;
}

/* general navigation
----------------------------------------- */
#main-navi {
	width: 15%;
	float: left;
}

#sub-navi {
	width: 20%;
	float: left;
}

nav.nav-general li a {
	display: block;
	padding-top: var(--navi-v-padding);
	padding-bottom: var(--navi-v-padding);
}

nav.nav-works li a {
	display: block;
	padding-left: var(--navi-padding);
	padding-top: var(--navi-v-padding);
	padding-bottom: var(--navi-v-padding);
}

nav.nav-general li a:hover,
nav.nav-works li a:hover {
	background-color: #cf3;
	padding-left: var(--navi-padding);
}

nav.nav-general li a::before,
nav.nav-works li a::before {
	content: "\0bb\0a0";
}

nav.nav-works li.space,
nav.nav-works li.year {
	padding-left: var(--navi-padding);
	padding-top: var(--navi-v-padding);
	padding-bottom: var(--navi-v-padding);
}

nav.nav-works li.year {
	font-style: italic;
	color: var(--sub-text-color);
	border-top: 1px solid var(--border-thin-color);
}

nav.nav-works li.year.top {
	font-style: italic;
	color: var(--sub-text-color);
	border-top: 0;
}

/* hamburger navigation
----------------------------------------- */
#hamburger #nav-drawer {
	position: relative;
}

#hamburger .nav-unshown {
	display: none;
}

#hamburger #nav-open,
#hamburger #nav-back {
	width: 100%;
	height: var(--hamburger-size);
	padding-top: calc(var(--hamburger-padding) / 2);
	padding-left: var(--hamburger-padding);
	padding-right: var(--hamburger-padding);
	padding-bottom: calc(var(--hamburger-padding) / 2);
	position: fixed;
	top: 0;
	left: 0;
	background-color: var(--bg-color);
}

#hamburger #nav-open {
	display: block;
	z-index: 998;
}

#hamburger #nav-back {
	display: none;
	z-index: 999;
}

#hamburger #nav-open span.icon,
#hamburger #nav-back span.icon {
	display: block;
	width: var(--hamburger-size);
	height: var(--hamburger-size);
	background-size: var(--hamburger-size);
	content: '';
	cursor: pointer;
}

#hamburger #nav-open span.icon {
	background-image: url("../img/icon-hamburger-open.svg");
}

#hamburger #nav-back span.icon {
	background-image: url("../img/icon-hamburger-close.svg");
}

#hamburger #nav-close {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: var(--hamburger-content-width);
	height: var(--hamburger-content-height);
	background-color: var(--bg-color);
	opacity: 0.0;
	-webkit-transition: .2s ease-in-out;
		 -moz-transition: .2s ease-in-out;
					transition: .2s ease-in-out;
	z-index: 98;
}

#hamburger #nav-content {
	overflow: scroll;
	position: fixed;
	top: 0;
	left: 0;
	width: calc(var(--hamburger-content-width) - var(--hamburger-padding) * 2);
	height: calc(var(--hamburger-content-height) - var(--hamburger-padding) * 2 - var(--hamburger-size));
	margin-top: calc(var(--hamburger-size) + var(--hamburger-padding));
	margin-left: var(--hamburger-padding);
	margin-right: var(--hamburger-padding);
	background-color: var(--bg-color);
	opacity: 1.0;
	-webkit-transition: .2s ease-in-out;
		 -moz-transition: .2s ease-in-out;
					transition: .2s ease-in-out;
	-webkit-transform: translateY(-110%);
		 -moz-transform: translateY(-110%);
			-ms-transform: translateY(-110%);
					transform: translateY(-110%);
	z-index: 99;
}

#hamburger #nav-input:checked ~ #nav-close {
	display: block;
	opacity: 1.0;
}

#hamburger #nav-input:checked ~ #nav-open {
	display: none;
}

#hamburger #nav-input:checked ~ #nav-back {
	display: block;
}

#hamburger #nav-input:checked ~ #nav-content {
	-webkit-transform: translateY(0%);
		 -moz-transform: translateY(0%);
			-ms-transform: translateY(0%);
					transform: translateY(0%);
}

#hamburger #hamburger-main-navi {
	width: 40%;
	float: left;
}

#hamburger #hamburger-sub-navi {
	width: 60%;
	float: right;
}


/* h1, h2, h3
----------------------------------------- */
#content h1 {
	font-size: 18px;
	line-height: 1.25em;
	margin-top: 4px;
	margin-bottom: var(--content-padding);
}

#content h3 {
	font-size: 16px;
	margin-top: var(--content-padding);
}

#content h3.first-child {
	margin-top: 0;
}

#content h4 {
	font-size: 15px;
	margin-top: var(--content-padding);
}

#content h5 {
	font-size: 13px;
}

/* Text
----------------------------------------- */
#content p.general {
	margin-top: var(--paragraph-padding);
	text-transform: none;
}

#content li a::before {
	content: "\0bb\0a0";
}

#content li a {
	padding-top: var(--navi-v-padding);
	padding-bottom: var(--navi-v-padding);
}

#content li a:hover {
	background-color: #cf3;
	padding-left: var(--navi-padding);
	padding-right: var(--navi-padding);
}

#content ul.links li {
	padding-top: var(--navi-v-padding);
	padding-bottom: var(--navi-v-padding);
}

#content ul.contact {
	margin-top: var(--paragraph-padding);
}

#content table.general {
	margin-top: var(--paragraph-padding);
}

#content table.general .year {
	width: 80px;
	white-space: nowrap;
}

#content em {
	font-weight: var(--font-medium);
}

#content address {
	margin-top: 16px;
}

#content address p {
	padding: 0;
	margin-top: 8px;
	text-indent: 0;
}

/* works
----------------------------------------- */
.works dl.credit {
	text-transform: lowercase;
}

.works dl.credit dt {
	margin-bottom: 16px;
}

.works .text a {
	border-bottom: 1px dotted var(--hover-text-color);
}

.works .text a:hover {
	background-color: var(--hover-bg-color);
}

.works div.image img {
	margin-top: 16px;
}

.works div.image img.border {
	outline-width: 1px;
	outline-style: solid;
	outline-color: var(--image-border-color);
	outline-offset: -1px;
}

.works div.text {
	text-transform: none;
}

.works div.text p {
	margin-top: 16px;
}

.works div.video {
	margin-top: 32px;
	width: 100%;
}

.works div.video div.iframe {
	position: relative;
	padding-top: 56.25%; /* 16:9 */
	width: 100%;
	height: 0;
	overflow: hidden;
}

.works div.video div.iframe.add {
	margin-top: 16px;
}

.works div.video iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.works div.additional {
	margin-top: 32px;
}

.works div.additional h2 {
	font-style: italic;
	font-size: var(--font-size-basic) !important;
	font-weight: var(--font-book);
}

.works div.additional h3 {
	font-size: var(--font-size-basic) !important;
	font-weight: var(--font-bold);
	margin-top: 16px !important;
}

.works div.additional p {
	margin-top: 16px;
}

/* publications
----------------------------------------- */
ul.pub-items {
	display: -webkit-box;
	display: -moz-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: -moz-flex;
	display: flex;
	-webkit-box-lines: multiple;
		 -moz-box-lines: multiple;
					box-lines: multiple;
	-webkit-flex-wrap: wrap;
		 -moz-flex-wrap: wrap;
			-ms-flex-wrap: wrap;
					flex-wrap: wrap;
}

ul.pub-items li.pub-item {
	float: left;
	position: relative;
	padding-left: 0;
	padding-right: calc(var(--content-padding-side) * 2);
	width: calc(100% / 3 - var(--content-padding-side) * 2);
	margin-bottom: 24px;
}

ul.pub-items li.pub-item img {
	display: block;
	max-width: 512px;
	max-height: 512px;
	width: 100%;
	height: auto;
	outline-width: 1px;
	outline-style: solid;
	outline-color: var(--border-thin-color);
	outline-offset: -1px;
}

ul.pub-items li.pub-item .pub-title {
	display: block;
	font-size: 16px;
	font-weight: var(--font-bold);
	line-height: 1.25em;
	margin-top: 16px;
}

ul.pub-items li.pub-item .pub-spec,
ul.pub-items li.pub-item .pub-link {
	display: block;
	font-weight: var(--font-book);
	line-height: 1.25em;
	margin-top: 8px;
}













/* mode
----------------------------------------- */
label.mode-switch {
	position: relative;
	display: block;
	width: 32px;
	height: 16px;
	float: right;
	visibility: hidden;
}

label.mode-switch input {
	opacity: 0;
	width: 0;
	height: 0;
}

label.mode-switch .slider {
	position: absolute;
	cursor: pointer;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: var(--slider-color);
	-webkit-transition: .3s;
		 -moz-transition: .3s;
					transition: .3s;
}

label.mode-switch .slider::before {
	position: absolute;
	content: "";
	height: 10px;
	width: 10px;
	left: 3px;
	bottom: 3px;
	background-color: var(--bg-color);
	-webkit-transition: .3s;
		 -moz-transition: .3s;
					transition: .3s;
}

label.mode-switch input:checked + .slider {
	background-color: var(--slider-color);
}

label.mode-switch input:checked + .slider::before {
	-webkit-transform: translateX(16px);
		 -moz-transform: translateX(16px);
			-ms-transform: translateX(16px);
					transform: translateX(16px);
}

label.mode-switch .slider:hover,
label.mode-switch input:checked + .slider:hover {
	background-color: var(--slider-hover-color);
}

label.mode-switch .slider.round {
	border-radius: 16px;
}

label.mode-switch .slider.round::before {
	border-radius: 50%;
}

/* ====================================================================== */
/* flexible layout (>= 1024px)
----------------------------------------- */
@media screen and (min-width: 1024px) {

	#hamburger {
		display: none;
	}









}

/* flexible layout (< 1024px)
----------------------------------------- */
@media screen and (max-width: 1023px) {

	#container {
		margin-top: calc(var(--hamburger-size) + var(--hamburger-padding));
		padding-left: var(--mobile-padding);
		padding-right: var(--mobile-padding);
	}

	#content,
	#content.works {
		width: 100%;
		float: none;
	}

	#main-navi,
	#sub-navi {
		display: none;
	}

	footer {
		padding-bottom: var(--mobile-padding);
	}

	#content h1 {
		margin-top: 0;
	}







}

/* flexible layout (< 768px)
----------------------------------------- */
@media screen and (max-width: 767px) {

	#container {
		padding-left: calc(var(--mobile-padding) / 2);
		padding-right: calc(var(--mobile-padding) / 2);
	}

	footer {
		padding-bottom: calc(var(--mobile-padding) / 2);
	}

	footer p.copyright {
		font-size: 9px;
		line-height: 1.5em;
	}

	#hamburger #nav-open,
	#hamburger #nav-back {
		padding-left: calc(var(--hamburger-padding) / 2);
		padding-right: calc(var(--hamburger-padding) / 2);
	}

	ul.pub-items li.pub-item {
		width: calc(100% / 2 - var(--content-padding-side) * 2);
	}





}

/* ====================================================================== */
/* apple data detector
----------------------------------------- */
a[x-apple-data-detectors] {
	color: inherit !important;
	text-decoration: none !important;
	font-size: inherit !important;
	font-family: inherit !important;
	font-weight: inherit !important;
	line-height: inherit !important;
	pointer-events: none !important;
	display: inherit !important;
}