:root {
  --chatbot-form-primary-color: #f26522;
  --chatbot-form-text-color: #131313;
  --chatbot-form-body-color: #f3f3f3;
  --chatbot-form-background-color: #ffffff;
  --chatbot-form-border-color: #cccccc;
  --chatbot-form-error-color: #f40000;
  --chatbot-form-pc-width: 400px;
  --chatbot-form-pc-height: 460px;
  --chatbot-form-font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}


/* reset */

.chatbot-form *,
.chatbot-form *::before,
.chatbot-form *::after {
  box-sizing: border-box;
}

.chatbot-form ul {
  list-style: none;
  margin-block: 0;
  padding-inline: 0;
}


/* wrapper */

.chatbot-form {
  font-family: var(--chatbot-form-font-family);
  color: var(--chatbot-form-text-color);
  font-size: 16px;
  line-height: 1.6;
  visibility: hidden;
  opacity: 0;
  transform: translateY(100%);
  position: fixed;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-color: var(--chatbot-form-background-color);
  box-shadow: 0 0 10px rgba(0, 0, 0, .2);
  z-index: 2147483647;
  overflow: hidden;
  transition: visibility 0s step-end .2s, opacity .1s ease-in-out .1s, transform .2s ease-in-out;
}

.chatbot-form.is-left {
  right: auto;
  left: 0;
}

.chatbot-form.is-open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  transition: visibility 0s step-start .1s, opacity .1s ease-in-out .1s, transform .2s ease-in-out .1s;
}


/* open */

.chatbot-form-open {
  position: fixed;
  font-size: 16px;
  line-height: 1;
  z-index: 2147483646;
  bottom: var(--chatbot-form-button-sp-vertical);
  right: var(--chatbot-form-button-sp-horizontal);
  transition: opacity .1s ease-in-out .2s, transform .1s ease-in-out .2s;
}

.chatbot-form-open.is-left {
  right: auto;
  left: var(--chatbot-form-button-sp-horizontal);
}

.chatbot-form.is-open + .chatbot-form-open {
  opacity: 0;
  transform: translateY(100%);
  transition: opacity .1s ease-in-out 0s, transform .1s ease-in-out 0s;
}

.chatbot-form-open__button {
  width: var(--chatbot-form-button-sp-width);
  height: var(--chatbot-form-button-sp-height);
  cursor: pointer;
  border-width: 0;
  border-radius: 0;
  padding: 0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-color: transparent;
}

.chatbot-form-open__button img,
.chatbot-form-open__button svg {
  object-fit: contain;
  object-position: 50% 50%;
  width: 100%;
  height: 100%;
}

.chatbot-form-svg {
  animation: BOUND 3s linear 0s infinite;
}

.chatbot-form-svg__baloon {
  fill: var(--chatbot-form-primary-color);
}

.chatbot-form-svg__circle {
  fill: var(--chatbot-form-background-color);
  animation: LOADING_CIRCLE 3s ease-in-out 0s infinite;
  transform-origin: 50%;
}

.chatbot-form-svg__circle--1 {
  animation-delay: 3.1s;
}

.chatbot-form-svg__circle--2 {
  animation-delay: 3.2s;
}

.chatbot-form-svg__circle--3 {
  animation-delay: 3.3s;
}

.chatbot-form-open__content {
  animation: FADEIN_SLIDE .5s ease-in-out 3s forwards 1;
  opacity: 0;
  transform: translateY(30px);
}

.chatbot-form-open__inner:hover {
  animation: BOUND_SHORT .5s linear 0s 1;
}


/* header */

.chatbot-form__header {
  position: relative;
  background-color: var(--chatbot-form-primary-color);
  height: 60px;
  overflow: hidden;
  border-bottom: 2px solid var(--chatbot-form-background-color);
}

.chatbot-form__heading {
  font-family: var(--chatbot-form-font-family);
  font-weight: bold;
  color: var(--chatbot-form-background-color);
  margin-block: 0;
  padding-inline: 60px;
  text-align: center;
  font-size: 18px;
  line-height: 30px;
  padding-block: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chatbot-form-close {
  display: block;
  position: absolute;
  width: 60px;
  height: 60px;
  top: 0;
  right: 0;
  cursor: pointer;
  border-width: 0;
  border-radius: 0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-color: transparent;
  font-size: 0;
  padding: 0;
  transition: opacity .1s ease-in-out;
}

.chatbot-form-close::before,
.chatbot-form-close::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 2px;
  top: calc(50% - 1px);
  left: 10px;
  background-color: var(--chatbot-form-background-color);
  transform-origin: 50% 50%;
}

.chatbot-form-close::before {
  transform: rotate(-45deg);
}

.chatbot-form-close::after {
  transform: rotate(45deg);
}


/* main */

.chatbot-form__main {
  position: relative;
  width: 100%;
  height: calc(100% - 60px);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  background-color: var(--chatbot-form-body-color);
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

.chatbot-form__main::-webkit-scrollbar {
  width: 2px;
}

.chatbot-form__main::-webkit-scrollbar-track {
  background-color: var(--chatbot-form-body-color);
}

.chatbot-form__main::-webkit-scrollbar-thumb {
  background-color: var(--chatbot-form-border-color);
}

.chatbot-form__content {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  flex-direction: column;
  padding: 1em;
}

.chatbot-form__content > * {
  width: 100%;
}

.chatbot-form__message,
.chatbot-form__request {
  font-size: 16px;
  line-height: 1.6;
  padding: 1em;
  background-color: var(--chatbot-form-background-color);
}

.chatbot-form__request.is-last {
  background-color: var(--chatbot-form-body-color);
  padding-inline: 0;
}

.chatbot-form__message {
  border-radius: 0 1em 1em 1em;
  width: calc(100% - 3.5em);
}

.chatbot-form__message p {
  font-family: var(--chatbot-form-font-family);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

.chatbot-form__request {
  border-radius: 1em 1em 0 1em;
}

.chatbot-form__response {
  display: flex;
  gap: 1em;
  width: 100%;
}


/* icon */

.chatbot-form__icon {
  width: 2.5em;
}

.chatbot-form__icon img {
  display: block;
  width: 100%;
}


/* text box */

.chatbot-form input[type=text],
.chatbot-form input[type=email],
.chatbot-form input[type=tel],
.chatbot-form textarea {
  display: block;
  font-size: 16px;
  line-height: 1.6;
  padding: .75em 1em;
  border-radius: 0;
  border: 1px solid var(--chatbot-form-border-color);
  width: 100%;
  font-family: var(--chatbot-form-font-family);
  color: var(--chatbot-form-text-color);
  background-color: var(--chatbot-form-background-color);
}

.chatbot-form textarea {
  height: 6em;
}

.chatbot-form input[type=text]::placeholder,
.chatbot-form input[type=email]::placeholder,
.chatbot-form input[type=tel]::placeholder,
.chatbot-form textarea::placeholder {
  color: var(--chatbot-form-border-color);
}


/* select */

.chatbot-form__select {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 0;
}

.chatbot-form__select > li {
  font-size: 16px;
  line-height: 1.6;
  background-color: var(--chatbot-form-body-color);
  margin: 0;
}

.chatbot-form__select > li:has(.chatbot-form__select-radio-control:checked) {
  background-color: var(--chatbot-form-primary-color);
  color: var(--chatbot-form-background-color);
  font-weight: bold;
}

.chatbot-form__select-radio {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  width: 100%;
  padding: 1em 1.5em;
  gap: 1em;
  cursor: pointer;
}

.chatbot-form__select-radio-control {
  display: none !important;
}

.chatbot-form__select-radio-icon {
  display: block;
  position: relative;
  width: 20px;
  height: 20px;
  border-radius: 100%;
  background-color: var(--chatbot-form-background-color);
}

.chatbot-form__select-radio-icon::before {
  content: '';
  display: block;
  position: absolute;
  width: 50%;
  height: 50%;
  border-radius: 100%;
  background-color: var(--chatbot-form-primary-color);
  top: 25%;
  left: 25%;
  opacity: 0;
}

.chatbot-form__select-radio-control:checked ~ .chatbot-form__select-radio-icon::before {
  opacity: 1;
}

.chatbot-form__select-radio-text {
  display: block;
  width: calc(100% - 2.5em);
}


/* button */

.chatbot-form-button-outer {
  margin-top: 1em;
  text-align: center;
}

.chatbot-form-button-outer--submit {
  margin-top: 0;
}

.chatbot-form-button {
  font-size: 16px;
  line-height: 1.6;
  font-weight: bold;
  min-width: 80%;
  padding: .5em 1em;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 2em;
  background-color: transparent;
  border-width: 0;
  background-color: var(--chatbot-form-primary-color);
  color: var(--chatbot-form-background-color);
  cursor: pointer;
  transition: opacity .05s ease-in-out;
}

.chatbot-form-button-outer--submit .chatbot-form-button {
  width: 100%;
  font-size: 18px;
  padding: .75em 1em;
  border-radius: 1em 1em 0 1em;
}

.chatbot-form-button:hover {
  opacity: .75;
}


/* complete */

.chatbot-form-complete-message-success,
.chatbot-form-complete-message-error {
  padding: 1em;
  font-weight: bold;
  background-color: var(--chatbot-form-background-color);
  margin: 1em;
  border-radius: 1em;
}

.chatbot-form-complete-message-success {
  color: var(--chatbot-form-text-color);
}

.chatbot-form-complete-message-error {
  color: var(--chatbot-form-error-color);
}


/* animation */

.chatbot-form__ready {
  display: flex;
  gap: .6em;
  padding: .5em;
  opacity: 0;
}

.chatbot-form__ready > span {
  display: block;
  background-color: var(--chatbot-form-border-color);
  width: .6em;
  height: .6em;
  border-radius: 100%;
}

.chatbot-form__content > .chatbot-form__response:not(.is-ready),
.chatbot-form__content > .chatbot-form__response:not(.is-show) .chatbot-form__message p,
.chatbot-form__content > .chatbot-form__response.is-show .chatbot-form__ready,
.chatbot-form__content > .chatbot-form__request:not(.is-ready) {
  display: none;
}

.chatbot-form__content > .chatbot-form__response:not(.is-animation),
.chatbot-form__content > .chatbot-form__request:not(.is-animation) {
  visibility: hidden;
  opacity: 0;
}

.chatbot-form__content > .chatbot-form__response:not(.is-animation) {
  transform: translateX(-5%);
}

.chatbot-form__content > .chatbot-form__request:not(.is-animation) {
  transform: translateX(5%);
}

.chatbot-form__content > .chatbot-form__response.is-animation,
.chatbot-form__content > .chatbot-form__request.is-animation {
  transition: visibility 0s step-start 0s, opacity .5s ease-in-out, transform .5s ease-in-out;
}

.chatbot-form__content > .chatbot-form__response.is-animation .chatbot-form__ready {
  animation: FADEIN_OUT 1.8s ease;
}

.chatbot-form__content > .chatbot-form__response.is-animation .chatbot-form__ready > span {
  animation: LOADING .5s ease-in-out 0s infinite;
}

.chatbot-form__content > .chatbot-form__response.is-animation .chatbot-form__ready > span:nth-child(1) {
  animation-delay: 0s;
}

.chatbot-form__content > .chatbot-form__response.is-animation .chatbot-form__ready > span:nth-child(2) {
  animation-delay: .1s;
}

.chatbot-form__content > .chatbot-form__response.is-animation .chatbot-form__ready > span:nth-child(2) {
  animation-delay: .2s;
}


/* validation */

.chatbot-form-error {
  font-size: 14px;
  line-height: 1.4;
  padding-top: .5em;
  color: var(--chatbot-form-error-color);
  font-weight: bold;
}

.chatbot-form-error--submit {
  font-size: 16px;
  line-height: 1.6;
  border: 2px solid var(--chatbot-form-error-color);
  padding: .5em;
  text-align: center;
  margin-bottom: 1em;
}

.chatbot-form-error:empty {
  display: none;
}

.chatbot-form input[type=text]:focus,
.chatbot-form input[type=email]:focus,
.chatbot-form input[type=tel]:focus,
.chatbot-form textarea:focus {
  outline: 1px solid var(--chatbot-form-primary-color);
}

.chatbot-form input[type=text].is-error,
.chatbot-form input[type=email].is-error,
.chatbot-form input[type=tel].is-error,
.chatbot-form textarea.is-error {
  border: 1px solid var(--chatbot-form-error-color);
}

.chatbot-form input[type=text].is-error:focus,
.chatbot-form input[type=email].is-error:focus,
.chatbot-form input[type=tel].is-error:focus,
.chatbot-form textarea.is-error:focus {
  outline: 1px solid var(--chatbot-form-error-color);
}

.chatbot-form button[disabled] {
  pointer-events: none;
  cursor: default;
  opacity: .5;
}


/* animation constant */

@keyframes BOUND_SHORT {
  0%   { transform: scale(1.0, 1.0) translate(0%, 0%); }
  15%  { transform: scale(0.95, 0.95) translate(0%, 2.5%); }
  30%  { transform: scale(1.15, 0.9) translate(0%, 5%); }
  50%  { transform: scale(0.9, 1.15) translate(0%, -5%); }
  70%  { transform: scale(1.05, 0.95) translate(0%, 2.5%); }
  100% { transform: scale(1.0, 1.0) translate(0%, 0%); }
}

@keyframes BOUND {
  0%   { transform: scale(1.0, 1.0) translate(0%, 0%); }
  3.75%  { transform: scale(0.9, 0.9) translate(0%, 5%); }
  7.5%  { transform: scale(1.3, 0.8) translate(0%, 10%); }
  12.5%  { transform: scale(0.8, 1.3) translate(0%, -10%); }
  17.5%  { transform: scale(1.1, 0.9) translate(0%, 5%); }
  25% { transform: scale(1.0, 1.0) translate(0%, 0%); }
  100% { transform: scale(1.0, 1.0) translate(0%, 0%); }
}

@keyframes FADEIN_SLIDE {
  0%   { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes FADEIN_OUT {
  0% { opacity: 0; }
  25% { opacity: 1; }
  75% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes LOADING {
  0% { transform: translateY(3px); }
  50% { transform: translateY(-3px); }
  100% { transform: translateY(3px); }
}

@keyframes LOADING_CIRCLE {
  0% { transform: translateY(0px); }
  5% { transform: translateY(-1px); }
  15% { transform: translateY(1px); }
  25% { transform: translateY(0px); }
}