.back {
    color: rgb(255, 255, 255);
    position: fixed;
    font-weight: bold;
    left: 5px;
    top: 5px;
    font-size:15px;
}

.back a {
    text-decoration: none;
    color:rgb(255, 255, 255);
}

.back a:hover {
    text-decoration: underline;
    letter-spacing: normal;
    cursor: pointer;

}

a {
    color: #3c71c0;
    transition-duration: 0.4s;
    text-decoration: underline;
  
  }
  a:hover, a:focus {
    text-decoration: none;
    cursor: help;
  }

html {
	scroll-behavior: smooth
}

body {
	margin: 40px auto 30px auto;
	width: 900px;
	background: #000;
	color: #fff;
	font-size: 14px;
	font-weight: 100;
}


body p {
	margin: 8px 0
}


body ul,
body ol {
	list-style: square
}

body table {
	border-collapse: collapse;
	margin: 20px auto
}

body table td,
body table th {
	border: 1px solid #727272;
	padding: 4px
}

body table tr:nth-child(even) {
	background-color: #ddd
}

body figure {
	width: 100%;
	margin: 20px 0;
	display: flex;
	flex-direction: column;
	align-items: center
}

body figure img {
	display: block;
	width: 80%
}

body figure figcaption {
	margin-top: 5px;
	display: block;
	text-align: center;
	width: 80%;
	font-size: 12px
}

body form input,
body form textarea,
body form option {
	border: 1px solid #000;
	background: #fff;
	border-radius: 0;
	padding: 2px;
	font-family: "Ark Pixel 12px monospaced ja", "MS UI Gothic", sans-serif;
	font-size: 14px;
	font-weight: 100
}

body blockquote {
	margin: 20px 30px;
	font-family: "neue-haas-grotesk-display", Helvetica, Arial, sans-serif;
	font-size: 18px;
	font-weight: 600
}

body details summary {
	cursor: pointer;
	font-family: "neue-haas-grotesk-display", Helvetica, Arial, sans-serif;
	font-size: 15px;
	font-weight: 600;
	margin: 10px 0;
	border: 1px solid #000;
	padding: 5px
}

body a {
	color: #fff
}

#top {
	position: absolute;
	top: 0;
	left: 0
}

.go-back {
	display: inline-block;
	padding: 1px;
	text-decoration: none;
	background: #000;
	color: #fff;
	margin-bottom: 15px
}

.go-back:hover {
	background: #fff;
	color: #000
}

.go-back::before {
	position: relative;
	top: 1px;
	margin-right: 4px
}

.go-back::before {
	content: url(/assets/img/common/arrow-left-white.png)
}

.go-back:hover::before {
	content: url(/assets/img/common/arrow-left-black.png)
}

header h1 {
	margin: 0 0 20px 0;
	background: #fff;
	color: #000;
	font-family: "neue-haas-grotesk-display", Helvetica, Arial, sans-serif;
	font-size: 45px;
	font-weight: 700;
	padding: 0 10px
}

.category-navigation {
	margin-top: 30px;
	display: flex
}

.category-navigation a {
	display: block;
	padding: 5px;
	margin: 0 5px 5px 0;
	background: #fff;
	border: 2px solid #fff;
	color: #000;
	text-decoration: none
}

.category-navigation a:hover {
	background: #000;
	color: #fff;
	border: 2px solid #fff;
	outline: 1px solid #000
}


.category .subcategory h3 {
	font-family: "neue-haas-grotesk-display", Helvetica, Arial, sans-serif;
	font-size: 27px;
	font-weight: 600;
	margin: 20px 0
}

.category .subcategory table {
	width: 100%
}

.category .subcategory tr th {
	padding: 3px 0;
	font-weight: normal
}

.category .subcategory tr:nth-child(even) {
	background-color: #000
}

.category .subcategory table,
.category .subcategory th,
.category .subcategory td {
	border: 2px solid gray;
	border-collapse: collapse
}

.category .subcategory table td,
.category .subcategory th td,
.category .subcategory td td {
	padding: 5px 10px
}

.category .subcategory td.left {
	width: 30%
}

.category .subcategory .link {
	font-family: "neue-haas-grotesk-display", Helvetica, Arial, sans-serif;
	font-size: 18px;
	font-weight: 600;
	text-decoration: underline #3f3f3f 2px
}

.category .subcategory .link:hover {
	background: #fff;
	color: #000;
	text-decoration: none
}