/* ============================================================
   Contact Section — ⑨ お問い合わせ
   Split layout: left dark info panel / right contact form
   ============================================================ */

/* ---------- Section container ---------- */
.contact {
  position: relative;
  z-index: var(--z-content, 10);
  background: var(--c-bg-section);
  overflow: hidden;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 640px;
  max-width: var(--s-container);
  margin: 0 auto;
}

/* ---------- Left: Info panel ---------- */
.contact__info {
  position: relative;
  background: var(--c-navy-deep);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 80px 64px;
}

.contact__info-content {
  position: relative;
  z-index: 2;
}

/* Eyebrow */
.contact__eyebrow {
  font-family: var(--f-heading-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin: 0 0 16px;
}

/* Title */
.contact__title {
  font-family: var(--f-heading-ja);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 20px;
  line-height: 1.3;
}

/* Description */
.contact__desc {
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 40px;
}

/* Contact details */
.contact__details {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__detail-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-family: var(--f-body);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}

.contact__detail-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--c-orange-light);
  line-height: 0;
}

.contact__detail-item a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--t-base) var(--ease-smooth);
}
.contact__detail-item a:hover {
  color: var(--c-orange-light);
}

/* Decorative orb */
.contact__orb {
  position: absolute;
  bottom: -120px;
  right: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(232, 103, 42, 0.25) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ---------- Right: Form panel ---------- */
.contact__form-wrap {
  background: #ffffff;
  display: flex;
  align-items: center;
  padding: 80px 64px;
}

.contact__form {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 20px;
  row-gap: 24px;
}

/* Field */
.contact__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact__field--full {
  grid-column: 1 / -1;
}

.contact__field--submit {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

/* Label */
.contact__label {
  font-family: var(--f-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text);
}

.contact__required {
  color: var(--c-orange);
  margin-left: 4px;
}

/* Input / Textarea shared base */
.contact__input,
.contact__textarea,
.contact__select {
  font-family: var(--f-body);
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-bg-section);
  border: 1.5px solid var(--c-border);
  border-radius: 6px;
  padding: 12px 16px;
  transition:
    border-color var(--t-base) var(--ease-smooth),
    box-shadow var(--t-base) var(--ease-smooth),
    background var(--t-base) var(--ease-smooth);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}

.contact__input::placeholder,
.contact__textarea::placeholder {
  color: var(--c-text-muted);
}

.contact__input:focus,
.contact__textarea:focus,
.contact__select:focus {
  border-color: var(--c-orange);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(232, 103, 42, 0.12);
}

/* Select wrapper */
.contact__select-wrap {
  position: relative;
}

.contact__select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 40px;
}

.contact__select option[value=""][disabled] {
  color: var(--c-text-muted);
}

.contact__select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--c-text-muted);
  line-height: 0;
}

/* Textarea */
.contact__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.7;
}

/* Submit button */
.contact__submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--g-btn-primary);
  color: #ffffff;
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  padding: 14px 36px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition:
    opacity var(--t-base) var(--ease-smooth),
    transform var(--t-base) var(--ease-smooth),
    box-shadow var(--t-base) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.contact__submit:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 103, 42, 0.35);
}

.contact__submit:active {
  transform: translateY(0);
}

.contact__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.contact__submit-icon {
  font-size: 16px;
  transition: transform var(--t-base) var(--ease-smooth);
}

.contact__submit:hover .contact__submit-icon {
  transform: translateX(4px);
}

/* Status message */
.contact__status {
  grid-column: 1 / -1;
  font-family: var(--f-body);
  font-size: 14px;
  text-align: center;
  padding: 12px 16px;
  border-radius: 6px;
  display: none;
}

.contact__status--success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: #166534;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.contact__status--error {
  display: block;
  background: rgba(232, 103, 42, 0.08);
  color: var(--c-orange-deep);
  border: 1px solid rgba(232, 103, 42, 0.3);
}

/* ---------- Responsive: tablet (≤ 1024px) ---------- */
@media (max-width: 1024px) {
  .contact__inner {
    grid-template-columns: 1fr 1fr;
  }

  .contact__info,
  .contact__form-wrap {
    padding: 60px 40px;
  }
}

/* ---------- Responsive: mobile (≤ 768px) ---------- */
@media (max-width: 768px) {
  .contact__inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .contact__info {
    padding: 56px 24px;
  }

  .contact__info-content {
    text-align: left;
  }

  .contact__orb {
    display: none;
  }

  .contact__form-wrap {
    padding: 48px 24px;
  }

  .contact__form {
    grid-template-columns: 1fr;
  }

  .contact__field--submit {
    justify-content: stretch;
  }

  .contact__submit {
    width: 100%;
    justify-content: center;
  }
}