@charset "utf-8";

html {
  font-size: 62.5%;
  font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  color: #333333;
  height: 100dvh;
  height: -webkit-fill-available;
}
html.android {
  height: 100%;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  overflow: hidden;
  height: 100%;
}
.android body {
  height: 100%;
}
header {
  font-size: 1.6rem;
  height: 5rem;
  border-bottom: .1rem solid #e3ddd4;
  background-color: #4a3124;
  transition: all .4s;
  -webkit-transition: all .4s;
  -ms-webkit-transform: all .4s;
  z-index: 100;
}
main {
  display: flex;
  font-size: 1.6rem;
  height: calc(100vh - 5.1rem);
  height: calc(100dvh - 5.1rem);
  height: calc(100% - 5.1rem);
  overflow: hidden;
}
button {
  outline: 0!important;
}
button:hover,
a:hover,
input:hover {
  cursor: pointer;
}
/* header
*********************************************/
header .header-content {
  display: flex;
  align-items: center;
  height: 5rem;
  padding: 0 1.6rem;
}
header .logo-area img {
  height: 3rem;
  object-fit: contain;
  vertical-align: bottom;
}
/* select, input
*********************************************/
select,
input {
  font-size: 1.6rem;
}
select:hover,
input:hover {
  cursor: pointer;
}
select:focus,
select:focus-visible,
select::-webkit-direct-focus,
select::-webkit-direct-focus-visible,
input:focus,
input:focus-visible,
input::-webkit-direct-focus {
  outline: .1rem solid #f3a01a;
  outline-offset: -.1rem;
}
select {
  height: 3.4rem;
  border: .1rem solid #e3ddd4;
  border-radius: 0;
  padding: 0 3rem 0 .8rem;
  margin: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background: none;
  font-size: 1.4rem;
  line-height: 3.4rem;
  z-index: 10;
  color: #333;
}
select::-ms-expand {
  display: none;
}
.select-box {
  position: relative;
}
.select-box:before {
  position: absolute;
  right: 1rem;
  top: 1rem;
  content: "";
  width: .8rem;
  height: .8rem;
  border-bottom: .2rem solid #ccc1b1;
  border-right: .2rem solid #ccc1b1;
  transform: rotate(45deg);
  z-index: -1;
}
.select-box:after {
  position: absolute;
  content: "";
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background-color: #ffffff;
  z-index: -10;
}
/* left-side
*********************************************/
.left-side {
  display: block;
  width: 32rem;
  border-right: .1rem solid #e3ddd4;
  background-color: #ffffff;
  height: 100%;
  position: relative;
}
.left-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 .8rem;
  border-bottom: .1rem solid #e3ddd4;
  height: 5rem;
  z-index: 50;
  background-color: #ffffff;
}
.left-header .select-box {
  width: 30%;
  min-width: 8.8rem;
  height: 3.4rem;
}
.left-header .select-box:after {
  background-color: #fff;
}
.left-header select {
  width: 100%;
  min-width: 8.2rem;
  height: 100%;
  margin-right: .8rem;
}
.left-header .search-area {
  width: calc(70% - .8rem);
  height: 3.4rem;
}
.left-header .search-area input[type="text"] {
  font-size: 1.4rem;
  padding: .4rem .8rem .4rem 3.8rem;
  width: 100%;
  height: 100%;
  border: .1rem solid #e3ddd4;
  background-image: url(../img/icon_search.png);
  background-size: 1.6rem;
  background-position: 1rem;
  background-repeat: no-repeat;
}
.left-side .left-main {
  overflow-y: auto;
  height: calc(100% - 5rem);
}
.left-side .user-ul {
  list-style: none;
}
.left-side .user-ul li {
  display: flex;
  height: 7.8rem;
  border-bottom: .1rem solid #e3ddd4;
  align-items: flex-start;
  position: relative;
  padding: 1rem .8rem;
}
.left-side .user-ul li:hover {
  background-color: #FAF1E4;
  cursor: pointer;
}
.left-side .user-text {
  width: calc(100% - 8rem);
  margin-bottom: -.2rem;
}
.left-side .user-icon {
  width: 4.8rem;
  height: auto;
  margin-right: 1.6rem;
  margin-left: 1.6rem;
  display: flex;
  align-items: center;
}
img.user-icon {
  width: 4.8rem;
  height: 4.8rem;
  border-radius: 4.8rem;
  height: auto;
  object-fit: cover;
}
.left-side .user-icon-area {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}
.left-side .user-name {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: bold;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
  margin-top: 1.2rem;
}
.left-side .chat-text {
  font-size: 1.1rem;
  color: #a6a6a6;
  max-height: 3.6rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  max-width: calc(100% - 5.8rem);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-height: 1.4;
}
.left-side .chat-time {
  position: absolute;
  top: .4rem;
  right: .8rem;
  font-size: 1rem;
  color: #a6a6a6;
}
.unread-num {
  min-width: 2.7rem;
  height: 2.7rem;
  border-radius: 2rem;
  background-color: #E53224;
  padding: .4rem .6rem;
  position: absolute;
  right: 2.6rem;
  bottom: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.unread-num > p {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: bold;
  line-height: 1;
  text-align: center;
}
.admin {
  display: inline-block;
  vertical-align: top;
  width: 1.3rem;
  height: 1.3rem;
  background-image: url(../img/ic_admin.png);
  background-size: 100%;
  background-repeat: no-repeat;
  margin-top: 1.5rem;
  margin-right: 0;
}
/* blockされた場合の表示 */
.block {
  background-color: #e9e9e9;
}
span.block-msg {
  font-size: 1rem;
  font-weight: bold;
  display: block;
  color: #888888;
  padding-left: 1.6rem;
  background-image: url(../img/ic_block.png);
  background-repeat: no-repeat;
  background-size: 1.2rem;
  background-position: left;
  line-height: 2;
  position: absolute;
  top: 0;
  left: 9rem;
}
/* 選択中の表示 */
.left-side .user-ul .li-selected,
.left-side .user-ul .li-selected:hover
.left-side .user-ul .li-selected.block {
  background-color: #FAF1E4;
  outline: .1rem solid #f29600;
  outline-offset: -.1rem;
}
/* right-side
*********************************************/
.right-side {
  width: calc(100% - 30.1rem);
  height: 100%;
  background-color: #f4f0ea;
  position: relative;
  overflow-x: hidden;
}
.right-side .top-img {
  width: 40%;
  max-width: 60rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  margin-top: -2rem;
}
.right-header {
  width: 100%;
  height: 5rem;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: .1rem solid #e3ddd4;
  background-color: #ffffff;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 5;
}
.right-header .btn-back {
  display: none;
}
.right-header .left-content {
  max-width: calc(100% - 6.4rem);
}
.right-header .user {
  width: 100%;
  display: flex;
  align-items: center;  
  justify-content: flex-start;
}
button.btn-reload {
  display: block;
  background-image: url(../img/icon_reload.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 2rem;
  background-color: transparent;
  border: 0;
  width: 2rem;
  height: 2rem;
  margin-right: .4rem;
}
button.btn-reload:hover {
  opacity: .6;
}
.right-side .user-icon {
  margin-right: 1.6rem;
  margin-left: 1.6rem;
}
.right-main {
  height: calc(100% - 5rem);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.right-header img.user-icon {
  width: 3.2rem;
  height: 3.2rem;
  margin-right: 1.2rem;
  margin-left: 0;
}
.right-header .user-name {
  font-size: 1.8rem;
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* user option */
.user-option-area {
  position: relative;
}
.user-option-btn {
  display: block;
  width: 2.4rem;
  height: 2.4rem;
  border: 0;
  background-color: transparent;
  background-repeat: no-repeat;
  background-position: center;
  margin-left: 1rem;
}
.user-option-btn:hover {
  opacity: .6;
}
.user-edit-btn {
  background-image: url(../img/ic_edit.png);
  background-size: 1.8rem;
}
.user-delete-btn {
  background-image: url(../img/ic_delete.png);
  background-size: 2rem;
}
span.border {
  display: block;
  width: .1rem;
  height: 2.2rem;
  background-color: #e3ddd4;
  margin: 0 .2rem 0 1.2rem;
}
.user-option {
  position: absolute;
  top: 3.7rem;
  left: 1rem;
}
.user-option ul {
  background-color: #ffffff;
  border: .1rem solid #4a3124;
}
.user-option li {
  border-bottom: .1rem solid #e3ddd4;
  margin: 0 auto;
}
.user-option a {
  text-decoration: none;
  display: block;
  width: 100%;
  color: #4a3124;
  padding: .4rem 1rem;
  white-space: nowrap;
}
.user-option a:hover {
  background-color: #f4f1ec;
}
/* その他ボタン */
.right-header .chat-func button {
  border: .1rem solid #4a3124;
  background-color: #fff;
  font-size: 1.4rem;
  padding: .4rem .8rem .4rem 3rem;
  color: #4a3124;
  background-repeat: no-repeat;
  background-size: 2rem;
  background-position: .4rem;
}
.right-header .btn-req {
  background-image: url(../img/icon_req.png);
}
.right-header .btn-done {
  background-image: url(../img/icon_done.png);
}
.right-header .chat-func button:hover {
  background-color: #faf6f0;
}
/* 送信エリア */
.right-side .send-area {
  border-top: .1rem solid #e3ddd4;
  width: 100%;
  padding: 1rem;
  background-color: #ffffff;
}
.right-side .send-area form {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-self: flex-start;
}
/* 画像選択ボタン */
.right-side .input-file {
  width: 4rem;
  height: 3.3rem;
  color: #ffffff;
  border-radius: .4rem;
  background-image: url(../img/ic_input_file.png);
  background-repeat: no-repeat;
  background-size: 2.8rem;
  background-position: center;
  cursor: pointer;
  margin-bottom: .6rem;
}
.right-side .input-file:hover {
  cursor: pointer;
  background-color: #f4f1ec;
}
.right-side .input-file input[type="file"] {
  display: none;
}
/* 画像削除 */
.file-area {
  position: absolute;
  top: .3rem;
  left: 5rem;
  display: flex;
  align-items: center;
}
.file-area #file-message {
  font-size: 1.4rem;
  font-weight: bold;
  color: #f29600;
  margin-right: 1rem;
}
.file-area div {
  position: relative;
  width: 7rem;
  height: 2.8rem;
  background-color: #dedede;
  border-radius: 5rem;
  z-index: 0;
}
.file-area div:before {
  content: "×";
  position: absolute;
  top: -.1rem;
  left: 1.2rem;
  font-size: 1.8rem;
  font-weight: bold;
}
#file-del-btn {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2.8rem;
  text-align: right;
  font-size: 1.4rem;
  color: #333333;
  border: 0;
  border-radius: 5rem;
  padding-right: 1.2rem;
  padding-left: 3rem;
  background-color: transparent;
  z-index: 10;
}
.file-area div:hover {
  opacity: .65;
}
input:focus, 
input:focus-visible, 
input::-webkit-direct-focus {
  outline: 0;
}
/* 送信ボタン */
.right-side .btn-send {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  margin: 0;
  line-height: 4rem;
}
.right-side .btn-send button {
  padding: .6rem 1.4rem;
  border: 0;
  background-color: #f29600;
  color: #ffffff;
  font-size: 1.4rem;
  border-radius: .4rem;
  display: flex;
  align-items: center;
  margin-left: 2rem;
  margin-bottom: .46em;
}
.right-side .btn-send button:hover {
  background-color: #f3a01a;
}
/* 入力欄 */
.right-side .input-area {
  width: 100%;
  position: relative;
  line-height: 1.6;
}
.right-side .textarea-dummy {
  overflow: hidden;
  visibility: hidden;
  box-sizing: border-box;
  min-height: 10rem;
  max-height: 28rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  border: 1px solid;
  padding: .85rem .85rem 0;
}
.right-side textarea {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  overflow: hidden;
  box-sizing: border-box;
  padding: .85rem;
  width: 100%;
  height: 100%;
  background-color: transparent;
  border: .1rem solid #e3ddd4;
  border-radius: .4rem;
  resize: none;
  font: inherit;
  color: #333333;
  letter-spacing: inherit;
}
.right-side textarea:focus,
.right-side textarea:focus-visible {
  border-color: #f3a01a;
  outline: none;
}
/* chat-area
*********************************************/
.chat-area {
  padding: 1.6rem 1.6rem 0;
  overflow-y: scroll;
}
.receive {
  text-align: left;
}
.send {
  text-align: right;
}
.message-content {
  /* padding: .8rem 1.8rem; */
  /* border-radius: 1.85rem; */
  font-size: 1.4rem;
  line-height: 1.6;
  text-align: left;
  position: relative;
  min-height: 3.84rem;
  max-width: 42rem;
  display: flex;
  align-items: flex-start;
}
.message-content > *:not(a):not(video):not(audio),
.message-content .file-link {
  padding: .8rem 1.8rem;
  border-radius: 1.85rem;
  min-height: 3.84rem;
  max-width: 42rem;
    background-color: #ffffff;

}
.message-content > *:not(a):not(video):not(audio):before,
.message-content .file-link:before {
  position: absolute;
  content: "";
  width: 0;
  height: 0;
}
.receive .message-content > *:not(a):not(video):not(audio):before,
.receive .message-content .file-link:before {
  border-top: 1.6rem solid #ffffff;
  border-right: .8rem solid transparent;
  border-left: 1.6rem solid transparent;
  top: 1.2rem;
  left: -.8rem;
}
.send .message-content > p:before {
  border-top: 1.6rem solid #e7d4ba;
  border-right: 1.6rem solid transparent;
  border-left: .8rem solid transparent;
  top: 1.2rem;
  right: -.8rem;
}
.message:last-child {
  margin-bottom: 0;
}
.receive .message {
  margin: 0 auto 1rem 0;
}
.receive .message-content > *:not(a):not(video):not(audio),
.receive .message-content .file-link {
  background-color: #ffffff;
}
.receive .message-content .file-link {
  padding-left: 7.2rem;
  padding-right: 4rem;
  height: 6.4rem;
  background-image: url(../img/ic_file.png);
  background-repeat: no-repeat;
  background-position: 1.6rem;
  background-size: 4.4rem;
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #333;
}
.receive .message-content .file-link:after {
  content: "";
  position: absolute;
  width: .8rem;
  height: .8rem;
  border-top: .2rem solid #cec1af;
  border-right: .2rem solid #cec1af;
  transform: rotate(45deg);
  right: 1.6rem;
}
.send .message {
  margin: 0 0 1rem auto;
}
.send .message-content > p {
  background-color: #e7d4ba;
}
.message.has-time {
  display: flex;
  align-items: flex-end;
}
.send .message.has-time {
  flex-direction: row-reverse;
}
.message-content img,
.message-content video {
  object-fit: contain;
  width: 100%;
  height: auto;
  border-radius: .8rem;
}
.message-content p {
  margin-bottom: -.3rem;
  word-break: break-word;
}
span.time {
  display: block;
  font-size: 1.1rem;
  color: #a1a1a1;
}
.receive span.time {
  margin-left: 1rem;
}
.send span.time {
  margin-right: 1rem;
}
/* modal
**************************************************/
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0,0,0,0.3);
  z-index: 1000;
}
.modal {
  width: 36rem;
  background-color: #ffffff;
}
.modal-header {
  position: relative;
  height: 3.6rem;
  background-color: #4a3124;
  color: #ffffff;
  text-align: center;
  line-height: 3.6rem;
}
.modal-header p {
  font-weight: bold;
}
.modal-header button {
  position: absolute;
  top: .8rem;
  right: .6rem;
  width: 2rem;
  height: 2rem;
  border: 0!important;
  border-radius: 2rem!important;
  background-color: transparent;
  opacity: .7;
}
.modal-header button:hover {
  opacity: .4;
}
.modal-header button:before,
.modal-header button:after {
  position: absolute;
  top: .9rem;
  left: .1rem;
  content: "";
  width: 1.8rem;
  height: .2rem;
  background-color: #ffffff;
}
.modal-header button:before {
  transform: rotate(-45deg);
}
.modal-header button:after {
  transform: rotate(45deg);
}
.modal-content {
  padding: 1.6rem;
}
.modal-content p {
  font-size: 1.4rem;
  color: #4a3124;
  text-align: center;
  margin-bottom: 1.6rem;
}
.modal-content p span {
  color: #bcaea4;
}
.modal-content input[type="text"] {
  width: 100%;
  height: 3.6rem;
  border: .1rem solid #e3ddd4;
  padding: .2rem .6rem;
  margin-bottom: 1rem;
}
.modal-content input[type="submit"],
.modal-content input[type="button"] {
  width: 100%;
  height: 3.2rem;
  border: 0;
  background-color: #f29600;
  color: #ffffff;
}
.modal-content input[type="submit"]:hover,
.modal-content input[type="button"]:hover {
  opacity: .7;
}
#delete-cancel,
#delete-ok {
  display: inline-block;
  width: calc(50% - .7rem);
}
#delete-cancel {
  border: 0;
  margin-right: .8rem;
  background-color: #c9bdac;
}
/* loading, dialog
**************************************************/
.loding-overlay,
.dg-overlay {
	background-color: rgba(255,255,255,0.5);
	height: 100%;
	left: 0;
	position: fixed;
	top: 0;
	width: 100%;
	z-index: 9995;
}
.loading-msg {
	color: #cdcdcd;
	font-size: 2rem;
	font-weight: bold;
	left: 50%;
	position: absolute;
	top: 45%;
	transform: translateY(-45%) translateX(-50%);
}
.dg-overlay {
	background-color: rgba(0,0,0,0.5);
	display: none;
	z-index: 9999;
}
/* error
*********************************************/
.error-body {
  justify-content: center;
  background-color: #f4f0ea;
}
.error-wrap {
  margin-top: 10%;
  text-align: center;
}
.error-title {
  font-size: 6rem;
  font-weight: bold;
  color: #ccc1b1;
  margin-bottom: 2rem;
  border-bottom: .1rem solid #ccc1b1;
  width: 50%;
  margin: 0 auto;
}
.error-message-area p {
  font-size: 1.6rem;
  background-color: #ffffff;
  padding: 1.6rem 2.4rem;
  margin-top: 3rem;
  display: inline-block;
  border-radius: 1rem;
  position: relative;
}
.error-message-area p:before {
  position: absolute;
  content: "";
  width: 0%;
  height: 0;
  border-top: 2.8rem solid #ffffff;
  border-right: 2rem solid transparent;
  border-left: 2.8rem solid transparent;
  top: 1.2rem;
  left: -1.6rem;
  border-radius: .4rem;
}
.error-func input[type="submit"] {
  border: 0;
  background-color: #4a3124;
  padding: 1rem 1.6rem;
  margin-top: 3rem;
  color: #ffffff;
  transition: all .3s;
  -webkit-transition: all .3s;
}
.error-func input[type="submit"]:hover {
  opacity: .6;
  cursor: pointer;
}
/* responsive
*********************************************/
@media screen and (max-width: 640px) {
  body {
    height: 100dvh;
    height: -webkit-fill-available;  
  }
  .android body {
    height: 100%;
  }
  header {
    width: 100%;
    position: sticky;
    top: 0;
  }
  main {
    overflow: visible;
  }
  /* left-side *******/
  .left-side {
    position: absolute;
    top: 5rem;
    left: 0;
    width: 100%;
    z-index: 50;
    transition: all .4s;
    -webkit-transition: all .4s;
    -ms-webkit-transform: all .4s;
  }
  .left-side .left-main {
    height: calc(100% - 10rem);
  }
  .left-side .left-header {
    top: 5rem;
  }
  .left-side .user-ul li {
    height: 8.2rem;
  }
  img.user-icon {
    width: 5.2rem;
    height: 5.2rem;
  }
  /* right-side *******/
  .right-side {
    width: 100%;
    height: 100dvh;
    height: -webkit-fill-available;
    z-index: -1;
    margin-top: -5rem;
  }
  .android .right-side {
    height: calc(100% + 5rem);
  }
  .right-header {
    height: 5rem;
  }
  .right-header .left-content {
    display: flex;
    align-items: center;
  }
  .right-header .left-content .btn-back {
    display: block;
    margin-right: 2rem;
    border: 0;
    height: 5rem;
    position: relative;
    background: transparent;
  }
  .right-header .left-content .btn-back:before {
    position: absolute;
    content: "";
    display: block;
    width: 1.2rem;
    height: 1.2rem;
    border-top: .2rem solid #4a3124;
    border-left: .2rem solid #4a3124;
    transform: rotate(-45deg);
    left: .4rem;
    top: 1.8rem;
  }
  /* user option */
  .right-header .user {
    width: calc(100% - 2rem);
  }
  .right-header .user-name {
    width: 100%;
  }
  .user-option {
    left: initial;
    right: 0;
  }
  .user-option-btn {
    margin-left: .4rem;
  }
  span.border {
    width: .2rem;
    margin: 0 .6rem 0 1.2rem;
  }
  .right-main {
    height: calc(100vh - 5rem);
    height: calc(100dvh - 5rem);
  }
  .android .right-main {
    height: calc(100% - 5rem);
  }
  .right-side .chat-area {
    max-height: calc(100vh - 5rem);
    max-height: calc(100dvh - 5rem);
  }
  .android .right-side .chat-area {
    max-height: calc(100% - 5rem);
  }
  .message-content {
    max-width: 24rem;
  }
  .send span.time {
    white-space: nowrap;
  }
  .right-side .send-area > form {
    flex-direction: row;
    align-items: flex-end;
  }
  .right-side .input-area,
  .file-area {
    width: calc(100% - 7.9rem);
  }
  .file-area {
    position: initial;
    margin-bottom: .4rem;
  }
  .right-side .textarea-dummy {
    min-height: 3.6rem;
    max-height: 22rem;
  }
  .right-side textarea {
    padding: .6rem 1rem;
  }
  .right-side .input-file {
    width: 3rem;
    background-size: 3rem;
    margin-right: .8rem;
    margin-bottom: .2rem;
  }
  .right-side .input-file:hover {
    background-color: transparent;
  }
  .right-side .btn-send {
    position: initial;
    line-height: 1;
    padding-right: 0;
    margin-left: 1rem;
    width: 3.2rem;
    height: 3.6rem;
  }
  .right-side .btn-send span {
    display: none;
  }
  .right-side .btn-send button {
    padding: 0;
    width: 3.4rem;
    height: 3.4rem;
    background-color: transparent;
    background-image: url(../img/icon_send.png);
    background-size: 2.8rem;
    background-position: center;
    background-repeat: no-repeat;
    margin-left: 0;
  }
  .right-side .btn-send button:hover {
    background-color: transparent;
  }
  .chat .left-side {
    left: -110%;
  }
  .chat .right-side { 
    z-index: 200;
  }
  .chat header {
    margin-left: -110%;
  }
  /* error *******/
  .error-title {
    font-size: 4.4rem;
  }
  .error-message-area p,
  .error-func input[type="submit"] {
    font-size: 1.4rem;
  }
}