/* スタイルのリセット */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ページ全体に背景色を設定 */
body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  margin: 0;
  padding: 0;
}

/* ヘッダーのスタイル */
header {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 20px;
}

/* メインセクションのスタイル */
main {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

/* 投稿フォームのスタイル */
#post-form {
  margin-bottom: 20px;
}

#post-form input,
#post-form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

#post-form button {
  background-color: #333;
  color: #fff;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  margin: 5px;
}

/* 投稿一覧のスタイル */
#posts h2 {
  border-bottom: 2px solid #333;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

#post-list {
  list-style: none;
  padding: 0;
}

#post-list li {
  margin-bottom: 20px;
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 5px;
}

#message-list div {
  margin-bottom: 15px;
  border-bottom: groove;
}

#copy-text {
  border-top: groove;
  background-color: #f5f2f0;
}

/* Delete button styling */
.delete-button {
  background-color: #e74c3c;
  color: #fff;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  border-radius: 3px;
  margin-left: 10px;
}

.delete-button:hover {
  background-color: #c0392b;
}

/* PrismJS 1.29.0
https://prismjs.com/download.html#themes=prism&languages=markup+css+clike+javascript&plugins=show-language+toolbar+copy-to-clipboard */
code[class*=language-], pre[class*=language-] {
  color: #000;
  background: 0 0;
  text-shadow: 0 1px #fff;
  font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
  font-size: 1em;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  word-break: normal;
  word-wrap: normal;
  line-height: 1.5;
  -moz-tab-size: 4;
  -o-tab-size: 4;
  tab-size: 4;
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none
}

code[class*=language-] ::-moz-selection, code[class*=language-]::-moz-selection, pre[class*=language-] ::-moz-selection, pre[class*=language-]::-moz-selection {
  text-shadow: none;
  background: #b3d4fc
}

code[class*=language-] ::selection, code[class*=language-]::selection, pre[class*=language-] ::selection, pre[class*=language-]::selection {
  text-shadow: none;
  background: #b3d4fc
}

@media print {
  code[class*=language-], pre[class*=language-] {
    text-shadow: none
  }
}

pre[class*=language-] {
  padding: 1em;
  margin: .5em 0;
  overflow: auto
}

:not(pre)>code[class*=language-], pre[class*=language-] {
  background: #f5f2f0
}

:not(pre)>code[class*=language-] {
  padding: .1em;
  border-radius: .3em;
  white-space: normal
}

.token.cdata, .token.comment, .token.doctype, .token.prolog {
  color: #708090
}

.token.punctuation {
  color: #999
}

.token.namespace {
  opacity: .7
}

.token.boolean, .token.constant, .token.deleted, .token.number, .token.property, .token.symbol, .token.tag {
  color: #905
}

.token.attr-name, .token.builtin, .token.char, .token.inserted, .token.selector, .token.string {
  color: #690
}

.language-css .token.string, .style .token.string, .token.entity, .token.operator, .token.url {
  color: #9a6e3a;
  background: hsla(0, 0%, 100%, .5)
}

.token.atrule, .token.attr-value, .token.keyword {
  color: #07a
}

.token.class-name, .token.function {
  color: #dd4a68
}

.token.important, .token.regex, .token.variable {
  color: #e90
}

.token.bold, .token.important {
  font-weight: 700
}

.token.italic {
  font-style: italic
}

.token.entity {
  cursor: help
}

div.code-toolbar {
  position: relative
}

div.code-toolbar>.toolbar {
  position: absolute;
  z-index: 10;
  top: .3em;
  right: .2em;
  transition: opacity .3s ease-in-out;
  opacity: 0
}

div.code-toolbar:hover>.toolbar {
  opacity: 1
}

div.code-toolbar:focus-within>.toolbar {
  opacity: 1
}

div.code-toolbar>.toolbar>.toolbar-item {
  display: inline-block
}

div.code-toolbar>.toolbar>.toolbar-item>a {
  cursor: pointer
}

div.code-toolbar>.toolbar>.toolbar-item>button {
  background: 0 0;
  border: 0;
  color: inherit;
  font: inherit;
  line-height: normal;
  overflow: visible;
  padding: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none
}

div.code-toolbar>.toolbar>.toolbar-item>a, div.code-toolbar>.toolbar>.toolbar-item>button, div.code-toolbar>.toolbar>.toolbar-item>span {
  color: #bbb;
  font-size: .8em;
  padding: 0 .5em;
  background: #f5f2f0;
  background: rgba(224, 224, 224, .2);
  box-shadow: 0 2px 0 0 rgba(0, 0, 0, .2);
  border-radius: .5em
}

div.code-toolbar>.toolbar>.toolbar-item>a:focus, div.code-toolbar>.toolbar>.toolbar-item>a:hover, div.code-toolbar>.toolbar>.toolbar-item>button:focus, div.code-toolbar>.toolbar>.toolbar-item>button:hover, div.code-toolbar>.toolbar>.toolbar-item>span:focus, div.code-toolbar>.toolbar>.toolbar-item>span:hover {
  color: inherit;
  text-decoration: none
}
/* スタイルのリセット */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ページ全体に背景色を設定 */
body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  margin: 0;
  padding: 0;
}

/* ヘッダーのスタイル */
header {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 20px;
}

/* メインセクションのスタイル */
main {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

/* 投稿フォームのスタイル */
#post-form {
  margin-bottom: 20px;
}

#post-form input,
#post-form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

#post-form button {
  background-color: #333;
  color: #fff;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  margin: 5px;
}

/* 投稿一覧のスタイル */
#posts h2 {
  border-bottom: 2px solid #333;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

#post-list {
  list-style: none;
  padding: 0;
}

#post-list li {
  margin-bottom: 20px;
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 5px;
}

#message-list div {
  margin-bottom: 15px;
  border-bottom: groove;
}

#copy-text {
  border-top: groove;
  background-color: #f5f2f0;
}

/* Delete button styling */
.delete-button {
  background-color: #e74c3c;
  color: #fff;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  border-radius: 3px;
  margin-left: 10px;
}

.delete-button:hover {
  background-color: #c0392b;
}

/* PrismJS 1.29.0
https://prismjs.com/download.html#themes=prism&languages=markup+css+clike+javascript&plugins=show-language+toolbar+copy-to-clipboard */
code[class*=language-], pre[class*=language-] {
  color: #000;
  background: 0 0;
  text-shadow: 0 1px #fff;
  font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
  font-size: 1em;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  word-break: normal;
  word-wrap: normal;
  line-height: 1.5;
  -moz-tab-size: 4;
  -o-tab-size: 4;
  tab-size: 4;
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none
}

code[class*=language-] ::-moz-selection, code[class*=language-]::-moz-selection, pre[class*=language-] ::-moz-selection, pre[class*=language-]::-moz-selection {
  text-shadow: none;
  background: #b3d4fc
}

code[class*=language-] ::selection, code[class*=language-]::selection, pre[class*=language-] ::selection, pre[class*=language-]::selection {
  text-shadow: none;
  background: #b3d4fc
}

@media print {
  code[class*=language-], pre[class*=language-] {
    text-shadow: none
  }
}

pre[class*=language-] {
  padding: 1em;
  margin: .5em 0;
  overflow: auto
}

:not(pre)>code[class*=language-], pre[class*=language-] {
  background: #f5f2f0
}

:not(pre)>code[class*=language-] {
  padding: .1em;
  border-radius: .3em;
  white-space: normal
}

.token.cdata, .token.comment, .token.doctype, .token.prolog {
  color: #708090
}

.token.punctuation {
  color: #999
}

.token.namespace {
  opacity: .7
}

.token.boolean, .token.constant, .token.deleted, .token.number, .token.property, .token.symbol, .token.tag {
  color: #905
}

.token.attr-name, .token.builtin, .token.char, .token.inserted, .token.selector, .token.string {
  color: #690
}

.language-css .token.string, .style .token.string, .token.entity, .token.operator, .token.url {
  color: #9a6e3a;
  background: hsla(0, 0%, 100%, .5)
}

.token.atrule, .token.attr-value, .token.keyword {
  color: #07a
}

.token.class-name, .token.function {
  color: #dd4a68
}

.token.important, .token.regex, .token.variable {
  color: #e90
}

.token.bold, .token.important {
  font-weight: 700
}

.token.italic {
  font-style: italic
}

.token.entity {
  cursor: help
}

div.code-toolbar {
  position: relative
}

div.code-toolbar>.toolbar {
  position: absolute;
  z-index: 10;
  top: .3em;
  right: .2em;
  transition: opacity .3s ease-in-out;
  opacity: 0
}

div.code-toolbar:hover>.toolbar {
  opacity: 1
}

div.code-toolbar:focus-within>.toolbar {
  opacity: 1
}

div.code-toolbar>.toolbar>.toolbar-item {
  display: inline-block
}

div.code-toolbar>.toolbar>.toolbar-item>a {
  cursor: pointer
}

div.code-toolbar>.toolbar>.toolbar-item>button {
  background: 0 0;
  border: 0;
  color: inherit;
  font: inherit;
  line-height: normal;
  overflow: visible;
  padding: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none
}

div.code-toolbar>.toolbar>.toolbar-item>a, div.code-toolbar>.toolbar>.toolbar-item>button, div.code-toolbar>.toolbar>.toolbar-item>span {
  color: #bbb;
  font-size: .8em;
  padding: 0 .5em;
  background: #f5f2f0;
  background: rgba(224, 224, 224, .2);
  box-shadow: 0 2px 0 0 rgba(0, 0, 0, .2);
  border-radius: .5em
}

div.code-toolbar>.toolbar>.toolbar-item>a:focus, div.code-toolbar>.toolbar>.toolbar-item>a:hover, div.code-toolbar>.toolbar>.toolbar-item>button:focus, div.code-toolbar>.toolbar>.toolbar-item>button:hover, div.code-toolbar>.toolbar>.toolbar-item>span:focus, div.code-toolbar>.toolbar>.toolbar-item>span:hover {
  color: inherit;
  text-decoration: none
}