/* ==========================================================================
   Contact
========================================================================== */

.contact {
  background: var(--color-sub);
  padding: 80px 0;

  @media screen and (max-width: 767px) {
    padding: 56px 0;
  }
}

.contact__form {
  background: var(--color-white);
  padding: 40px 100px 60px;

  @media screen and (max-width: 767px) {
    padding: 24px 16px;
  }
}

.contact__row {
  display: grid;
  grid-template-columns: 221px minmax(0, 1fr);
  column-gap: 26px;
  align-items: center;
  padding: 16px 0;

  @media screen and (max-width: 767px) {
    grid-template-columns: 1fr;
    grid-template-areas: "label" "control";
    row-gap: 10px;
    padding: 14px 0;
    align-items: center;
  }
}

.contact__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;

  @media screen and (max-width: 767px) {
    grid-area: label;
  }
}

.contact__label {
  color: #000000;
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1;

  @media screen and (max-width: 767px) {
    font-size: 1.4rem;
  }
}

.contact__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-white);
  padding: 4px 6px;
  border-radius: 2px;
  line-height: 1;
  text-align: center;
}

.contact__badge--required {
  background: var(--color-required);
}

.contact__badge--optional {
  background: var(--color-optional);
}

.contact__control {
  min-width: 0;
  position: relative;

  @media screen and (max-width: 767px) {
    grid-area: control;
  }
}

.contact__control input,
.contact__control select {
  width: 100%;
  height: 56px;
  color: var(--color-text);
  background: #f0f0f0;
  border: 1px solid #d3d3d3;
  border-radius: 4px;
  padding: 12px 14px;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.03em;
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);

  @media screen and (max-width: 767px) {
    height: 48px;
  }
}

.contact__control select {
  appearance: none;
  padding-right: 40px;
}

.contact__control input::placeholder {
  color: #a4a4a4;
}

.contact__control select:has(option[value=""]:checked) {
  color: #a4a4a4;
}

.contact__control:has(select)::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text);
  border-bottom: 2px solid var(--color-text);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.contact__control input:focus,
.contact__control select:focus {
  border-color: var(--color-blue);
  box-shadow: none;
}

.contact__radios {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.contact__radio {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1.4;
}

.contact__radio input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.contact__radio-mark {
  width: 18px;
  height: 18px;
  border: 1px solid #d3d3d3;
  border-radius: 50%;
  background: #f0f0f0;
  position: relative;
  flex-shrink: 0;
}

.contact__radio-mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--color-blue);
  opacity: 0;
  transform: scale(0.6);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.contact__radio input:checked + .contact__radio-mark {
  border-color: var(--color-blue);
}

.contact__radio input:checked + .contact__radio-mark::before {
  opacity: 1;
  transform: scale(1);
}

.contact__radio-text {
  color: var(--color-text);
}

.contact__submit {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.contact__row.is-invalid .contact__control input,
.contact__row.is-invalid .contact__control select {
  border-color: var(--color-required);
  box-shadow: none;
}

.form-alert {
  max-width: 860px;
  margin: 0 auto 20px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 1.4rem;
  font-weight: 600;
}

.form-alert--error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1px solid var(--color-error-border);
}

.form-error {
  margin-top: 8px;
  color: var(--color-required);
  font-size: 1.3rem;
  font-weight: 600;
}

/* ==========================================================================
   Materials download form
========================================================================== */

.contact--materials {
  background: var(--color-white);
}

.contact__form--materials {
  border-radius: 3px;
  border: 1px solid var(--color-main);
  background: var(--color-white);
}

.contact__agree {
  margin-top: 28px;
  text-align: center;
}

.contact__agree-box {
  background: #f0f0f0;
  padding: 20px 30px;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  text-align: left;
}

.contact__agree-desc {
  margin: 0 0 25px;
}

.contact__agree-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact__agree-link {
  position: relative;
  padding-left: 1em;
}

.contact__agree-link::before {
  content: "・";
  position: absolute;
  left: 0;
}

.contact__agree-links a {
  color: var(--color-text);
  text-decoration: underline;
}

.contact__agree-links a:hover {
  color: var(--color-blue);
}

.contact__agree-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
}

.contact__agree-check input {
  width: 16px;
  height: 16px;
  margin: 0;
  flex-shrink: 0;
}

.contact__agree.is-invalid .contact__agree-check input {
  outline: 1px solid var(--color-required);
}

.contact__form--materials .contact__submit .c-btn--img {
  min-width: 280px;

  @media screen and (max-width: 767px) {
    min-width: 0;
    width: 100%;
    max-width: 353px;
  }
}