.lobby {
  --lobby-background: skyblue;
  background-color: var(--lobby-background);
  color: #000000;
  text-align: center;
}
.lobby h1 {
  color: #ff0000;
}
.lobby main {
  --room-selection-space: 2rem;
  padding-top: var(--room-selection-space);
}
.lobby main > p {
  margin-block: 0 1em;
}
.lobby main > hr {
  margin-block-start: var(--room-selection-space);
}
.lobby ul {
  display: inline-grid;
  gap: 6px;
  margin: 0;
  vertical-align: top;
  padding: 6px;
  border: 5px outset #999999;
  list-style: none;
}
.lobby li {
  padding: 4px;
  border: 1px inset #999999;
  background-color: pink;
}
.lobby a {
  color: #800080;
  font-size: 1.5em;
  font-weight: bold;
}
.lobby a:active {
  color: #ff0000;
}
.lobby .lobby-news {
  --lobby-news-opacity: 14%;
  max-width: 34rem;
  margin: 1.75rem auto 0;
  padding: 2rem;
  background-color: rgb(255 255 255 / var(--lobby-news-opacity));
  color: #333333;
  text-align: left;
}
.lobby .lobby-news h2 {
  margin: 0;
  padding: 0 0 0.375rem;
  font-size: 0.875rem;
}
.lobby .lobby-news-entry {
  display: grid;
  grid-template-columns: 6em 7em minmax(0, 1fr);
  align-items: baseline;
  gap: 0.375rem 0.75rem;
  border-block: 1px solid #87CEEB;
  padding: 0.65rem 0;
  font-size: 0.8125rem;
}
.lobby .lobby-news-entry + .lobby-news-entry {
  border-block-start: 0;
}
.lobby .lobby-news-label {
  justify-self: start;
  border-radius: 1rem;
  padding: 0.15rem 0.6rem;
  background-color: #000;
  color: #ffffff;
  font-size: 0.6875rem;
}
.lobby .lobby-news-entry p {
  margin: 0;
  overflow-wrap: anywhere;
}
.chat-page {
  --room-border: #cccccc;
  --room-accent: #8d7c55;
  --room-font: "ヒラギノ角ゴ Pro W3", sans-serif;
  margin: 0;
  padding: 1%;
  background-color: #ffffff;
  color: #333333;
  font-family: var(--room-font);
  line-height: 1.5;
}
.chat-page * {
  margin: 0;
  padding: 0;
}
.chat-page.room-3 {
  word-break: break-all;
}
.chat-page a:link {
  color: #0000ff;
}
.chat-page a:visited {
  color: #800080;
}
.chat-page a:active {
  color: #ff0000;
}
.chat-page h1 {
  border: 3px solid var(--room-accent);
  padding: 5px;
  background-color: #000000;
  color: #ffff77;
  font-size: 130%;
  text-align: center;
}
.chat-page h2 {
  background-color: var(--room-accent);
  color: #222222;
  font-size: 1em;
  text-align: center;
}
.chat-page form, .chat-page h2, .chat-page p {
  margin: 1em 0;
}
.chat-page input, .chat-page pre {
  font-family: var(--room-font);
}
.chat-page input, .chat-page select {
  margin-bottom: 10px;
  box-shadow: 0 0 16px var(--room-border);
}
.chat-page input {
  max-width: 98%;
  padding: 1px;
}
.chat-page input::-moz-focus-inner {
  border-width: 0;
}
.chat-page ul {
  padding-left: 20px;
  font-size: 80%;
}
.chat-page #messages {
  float: left;
  width: 80%;
}
.chat-page #form h2, .chat-page #messages h2 {
  display: none;
}
.chat-page #message-list {
  border-bottom: 1px solid var(--room-border);
}
.chat-page #message-list > div {
  display: flow-root;
  border-top: 1px solid var(--room-border);
}
.chat-page dd, .chat-page dt {
  padding: 12px 12px 6px;
}
.chat-page dt {
  float: left;
  margin-right: 4px;
  padding-right: 8px;
  font-weight: bolder;
  text-align: right;
}
.chat-page .message-date {
  margin-left: 4px;
  color: var(--room-border);
  font-size: 10px;
}
.chat-page #sessions, .chat-page #navigation, .chat-page .room-note {
  margin-left: 81%;
}
.chat-page.room-3 #navigation li, .chat-page .room-note li {
  margin-bottom: 10px;
}
.chat-page address {
  clear: left;
  text-align: right;
}
.chat-page.room-3 #message-list {
  margin-top: 10px;
}
.chat-page #message-list .new-message {
  animation: message-highlight 3s ease-out;
}
@keyframes message-highlight {
  from { background-color: #ffff33; }
  to { background-color: transparent; }
}
@media (max-width: 38.26em) {
  .chat-page #messages {
    float: none;
    width: auto;
  }
  .chat-page #navigation, .chat-page #sessions, .chat-page .room-note {
    margin: 0;
  }
}
@media (max-width: 30.61em) {
  .lobby .lobby-news {
    padding: 1rem;
  }
  .lobby .lobby-news-entry {
    grid-template-columns: 6em minmax(0, 1fr);
  }
  .lobby .lobby-news-entry p {
    grid-column: 1 / -1;
  }
  .chat-page {
    line-height: normal;
  }
  .chat-page dt {
    float: none;
    margin: 0;
    padding: 0 10px;
    text-align: left;
    width: auto;
    background: #eeeeee;
  }
}