@charset "UTF-8";
:root {
  --color-input-bg: #fafafd;
  --color-input-border: #d4dce4;
  --color-required: #dc143c;
  --color-optional: #939393;
  --color-focus: #60a5ff;
}

.plugin-mailform {
  max-width: 768px;
  margin: 0 auto 24px auto;
}
.plugin-mailform *, .plugin-mailform *::before, .plugin-mailform *::after {
  padding: 0;
  margin: 0;
  border: none;
  outline: none;
  box-sizing: border-box;
  max-width: 100%;
}
.plugin-mailform div {
  margin-bottom: 12px;
}
.plugin-mailform label,
.plugin-mailform select,
.plugin-mailform button {
  cursor: pointer;
}
.plugin-mailform label {
  min-width: 200px;
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  padding: 8px 16px 8px 32px;
  margin-bottom: 4px;
  border-radius: 0 8px 8px 0;
  transition: background-color 0.3s;
}
.plugin-mailform label:hover {
  background-color: var(--color-input-bg);
}

.mailform-message {
  margin: 24px 0;
}

.mailform-fields {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 4px 0;
  box-shadow: 0 2px 10px -2px #cfcfcf;
}

.mailform-item {
  position: relative;
  padding: 0 12px 12px 12px;
  margin: 0 12px;
  border-top: 1px solid var(--color-input-border);
}
.mailform-item:first-of-type {
  margin-top: 24px;
}
.mailform-item[data-need=required] .mailform-title::after {
  content: "必須";
  background-color: var(--color-required);
}
.mailform-item[data-need=optional] .mailform-title::after {
  content: "任意";
  background-color: var(--color-optional);
}

.mailform-title {
  display: flex;
  align-items: center;
  font-size: 1.2em;
  padding: 8px;
}
.mailform-title::after {
  display: inline-block;
  font-size: 12px;
  line-height: 1;
  padding: 2px 4px;
  margin-left: 4px;
  border-radius: 4px;
  color: #ffffff;
}

.mailform-post {
  display: flex;
  flex-direction: column;
}
.mailform-post input[type=text], .mailform-post input[type=email], .mailform-post input[type=number],
.mailform-post input[type=date], .mailform-post input[type=time], .mailform-post input[type=datetime-local],
.mailform-post select {
  width: 80%;
  height: 32px;
}
.mailform-post textarea {
  width: 100%;
  height: 10em;
  resize: vertical;
}

.mailform-input {
  border: 1px solid var(--color-input-border);
  border-radius: 4px;
  background-color: var(--color-input-bg);
  padding: 8px;
  outline: 2px solid transparent;
  transition: outline 0.3s;
}
.mailform-input[data-invalid=true] {
  outline: 2px solid var(--color-required);
}
.mailform-input[data-over=true] {
  background-color: #ffe4e1;
}
.mailform-input:focus {
  outline: 2px solid var(--color-focus);
}

.mailform-radio,
.mailform-checkbox {
  opacity: 0;
  pointer-events: none;
  position: absolute;
  left: 22px;
  top: 12px;
}
.mailform-radio + label,
.mailform-checkbox + label {
  position: relative;
  align-items: center;
  display: flex;
}
.mailform-radio + label::before, .mailform-radio + label::after,
.mailform-checkbox + label::before,
.mailform-checkbox + label::after {
  content: "";
  display: block;
  position: absolute;
  left: 8px;
}
.mailform-radio + label::before,
.mailform-checkbox + label::before {
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-input-border);
  background-color: var(--color-input-bg);
}

.mailform-radio + label::before, .mailform-radio + label::after {
  border-radius: 100%;
}
.mailform-radio + label::after {
  left: 10px;
  width: 12px;
  height: 12px;
  background-color: var(--color-focus);
  transform: scale(0);
  transition: transform 0.3s;
}
.mailform-radio:checked + label::after {
  transform: scale(1);
}

.mailform-checkbox + label::after {
  top: 4px;
  left: 16px;
  width: 8px;
  height: 20px;
  border-width: 8px 4px 2px 2px;
  border-color: transparent var(--color-focus) var(--color-focus) transparent;
  border-style: solid;
  opacity: 0;
  transform: rotate(45deg);
  transition: opacity 0.3s;
}
.mailform-checkbox:checked + label::after {
  opacity: 1;
}

.mailform-button {
  text-align: center;
}
.mailform-button button {
  font-size: 1.2em;
  color: #fff;
  width: 120px;
  padding: 8px 16px;
  margin: 0 12px;
  border-radius: 8px;
  background-color: var(--color-focus);
}
.mailform-button button:disabled {
  filter: saturate(0.5);
  cursor: not-allowed;
}
.mailform-button .mailform-back {
  background-color: var(--color-optional);
}

.mailform-limit {
  font-size: 12px;
}

.mailform-posted {
  display: block;
  background-color: var(--color-input-bg);
  border: 1px solid var(--color-input-border);
  padding: 4px 16px;
  border-radius: 4px;
}

.mailform-autoreply {
  position: relative;
}

.mailform-progress {
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  font-size: 32px;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  color: #ffffff;
  background-color: #00000080;
  -webkit-backdrop-filter: blur(5px);
          backdrop-filter: blur(5px);
  opacity: 0;
  pointer-events: none;
  cursor: wait;
  transition: opacity 0.3s;
}