@charset "utf-8";

html,
body,
#container {
  height: 100%;
}

body {
  margin: 0px;
  padding: 0px;
  color: #ffffff;
  font-family: "Poppins", "Kosugi", "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  font-size: 16px;
  background: #000000;
  -webkit-text-size-adjust: none;
}

h1,
h2,
h3,
h4,
h5,
p,
ul,
ol,
li,
dl,
dt,
dd,
form,
figure,
form {
  margin: 0px;
  padding: 0px;
  font-size: 100%;
  font-weight: normal;
}

img {
  border: none;
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

table {
  border-collapse: collapse;
  font-size: 100%;
  border-spacing: 0;
}

iframe {
  width: 100%;
}

a {
  color: #bbbbbb;
  transition: 0.4s;
}

a:hover {
  color: #ffffff;
}

#contents {
  overflow: hidden;
  margin: 0 auto;
  max-width: 850px;
  padding: 40px 3%;
}

#contents h2 {
  clear: both;
  margin-bottom: 20px;
  text-align: center;
  font-size: 2rem;
  letter-spacing: 0.05em;
  line-height: 1.4;
  color: #ffffff;
}

#contents .item {
  position: relative;
  margin: 0 10px;
  line-height: 1.5;
  font-size: 1.2rem;
  font-family: "Lekton", monospace;
  font-weight: 700;
  font-style: normal;
  border-bottom: 1px solid #888888;
}

#contents .item p {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#contents .item p:hover {
  overflow-x: auto;
  text-overflow: unset;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

#contents .item p::-webkit-scrollbar {
  display: none;
}

#contents .item a {
  position: relative;
  display: block;
  text-decoration: none;
  padding: 10px 20px;
  background: #000000;
  color: #ffffff;
  overflow: hidden;
  z-index: 1;
}

#contents .item a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: all 0.3s ease-in-out;
  z-index: -1;
}

#contents .item a:hover::before {
  opacity: 1;
  background-color: #bbbbbb;
}

#contents .item p span::before {
  content: "　";
}

#contents .item p {
  transition: all 0.3s ease-in-out;
}
#contents .item p span {
  font-size: 0.9rem;
  font-family: "Poppins", "Kosugi";
  letter-spacing: 0.05em;
  color: #eeeeee;
  transition: all 0.3s ease-in-out;
}
#contents .item a:hover p,
#contents .item:hover p,
#contents .item a:focus p,
#contents .item:focus p {
  color: #151515;
}
#contents .item a:hover p span,
#contents .item:hover p span {
  color: #151515;
}

footer {
  clear: both;
  text-align: center;
  font-size: 0.8rem;
  padding-bottom: 10px;
}

footer a {
  text-decoration: none;
}

.noselect {
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

a.home {
  display: block;
  width: fit-content;
  margin: 10px auto -16px auto;
  padding: 30px 0 10px 0;
  font-size: 1.4rem;
  cursor: pointer;
  text-decoration: none;
}

.toggle {
  display: none;
}
.Label {
  padding: 10px 20px 8px 20px;
  display: block;
  font-family: "Lekton", monospace;
  font-size: 1.4rem;
  font-weight: 600;
  background: #000000;
  position: relative;
  border-bottom: 1.5px solid #888888;
}
.Label:focus,
.Label:hover {
  background-color: #bbbbbb;
  color: #151515;
}
.Label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  -webkit-transform: rotate(45deg);
  position: absolute;
  top: calc(50% - 6px);
  right: 20px;
  transform: rotate(135deg);
  transition: all 0.3s;
}
.Label:focus::before,
.Label:hover::before {
  border-top: 2px solid #151515;
  border-right: 2px solid #151515;
}
.Label,
.content {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: all 0.3s;
}
.content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 0 10px 0;
  transition: max-height 0.36s cubic-bezier(0.2, 0.9, 0.2, 1), opacity 0.24s ease, padding 0.24s ease;
  box-sizing: border-box;
}
.toggle:checked + .Label + .content {
  max-height: 1000px; /* large enough to fit content */
  opacity: 1;
  padding: 2px 0 10px 0;
  transition: max-height 0.36s cubic-bezier(0.2, 0.9, 0.2, 1), opacity 0.28s ease, padding 0.28s ease;
}
.toggle:checked + .Label::before {
  transform: rotate(-45deg) !important;
  top: calc(50% - 2px);
}
