/* ==========================================================================
   Alliance Page - Specific Styles
   ========================================================================== */

.alliance {
  background: var(--color-bg-light);
}

.alliance__hero {
  padding: calc(var(--header-h-pc) + 96px) 0 96px;
  background:
    linear-gradient(135deg, var(--color-bg-dark), var(--color-bg-darker));
  color: var(--color-text-light);
  overflow: hidden;
}

.alliance__hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 56px;
  align-items: center;
}

.alliance__eyebrow {
  color: var(--color-text-light-60);
}

.alliance__title {
  margin-bottom: 28px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.15;
  letter-spacing: 0;
}

.alliance__lead {
  max-width: 760px;
  color: var(--color-text-light-80);
  font-size: 17px;
  line-height: 2;
}

.alliance__hero-actions {
  margin-top: 44px;
}

.alliance__hero-panel {
  padding: 34px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-text-light) 8%, transparent);
  backdrop-filter: blur(14px);
}

.alliance__panel-label,
.alliance__hero-stats dt,
.alliance__problem-card span,
.alliance__step-card span,
.alliance__product-card span {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.alliance__panel-label {
  display: block;
  margin-bottom: 16px;
  color: var(--color-accent);
}

.alliance__hero-panel p {
  margin-bottom: 28px;
  color: var(--color-text-light);
  font-size: 22px;
  line-height: 1.7;
}

.alliance__hero-stats {
  display: grid;
  gap: 16px;
}

.alliance__hero-stats div {
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

.alliance__hero-stats dt {
  margin-bottom: 6px;
  color: var(--color-text-light-60);
}

.alliance__hero-stats dd {
  margin: 0;
  color: var(--color-text-light);
  line-height: 1.7;
}

.alliance__section {
  padding: 104px 0;
}

.alliance__intro {
  background: var(--color-bg-light);
}

.alliance__intro-inner {
  max-width: 980px;
}

.alliance__section-title {
  margin-bottom: 22px;
  font-size: 40px;
  line-height: 1.45;
  letter-spacing: 0;
}

.alliance__intro p,
.alliance__section-head p,
.alliance__cta p,
.alliance__contact-head p {
  color: var(--color-text-sub);
  line-height: 2;
}

.alliance__section-head {
  max-width: 780px;
  margin-bottom: 44px;
}

.alliance__section-head--center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.alliance__problems,
.alliance__scheme,
.alliance__contact {
  background: var(--color-bg-gray);
}

.alliance__problem-grid,
.alliance__merit-grid,
.alliance__product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.alliance__problem-card,
.alliance__merit-card,
.alliance__step-card,
.alliance__product-card,
.alliance__faq-item,
.alliance__form {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-light);
}

.alliance__problem-card {
  padding: 34px;
}

.alliance__problem-card span,
.alliance__step-card span,
.alliance__product-card span {
  display: block;
  margin-bottom: 18px;
  color: var(--color-accent);
}

.alliance__problem-card h3,
.alliance__merit-card h3,
.alliance__step-card h3,
.alliance__product-card h3 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.55;
}

.alliance__problem-card p,
.alliance__merit-card p,
.alliance__step-card p,
.alliance__product-card p,
.alliance__faq-item p {
  color: var(--color-text-sub);
  line-height: 1.9;
}

.alliance__merit-card {
  padding: 36px;
}

.alliance__merit-icon {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 22px;
  border-radius: var(--radius-card);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 24px;
}

.alliance__cta {
  padding: 72px 0;
  background: var(--color-bg-dark);
  color: var(--color-text-light);
}

.alliance__cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}

.alliance__cta h2 {
  margin-bottom: 12px;
  font-size: 36px;
}

.alliance__cta p {
  color: var(--color-text-light-80);
}

.alliance__step-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.alliance__step-card {
  padding: 28px;
}

.alliance__product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.alliance__product-card {
  padding: 28px;
}

.alliance__faq-list {
  display: grid;
  gap: 14px;
}

.alliance__faq-item {
  overflow: hidden;
}

.alliance__faq-item summary {
  cursor: pointer;
  position: relative;
  padding: 22px 56px 22px 24px;
  font-weight: 700;
  line-height: 1.7;
  list-style: none;
}

.alliance__faq-item summary::-webkit-details-marker {
  display: none;
}

.alliance__faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  color: var(--color-accent);
  font-family: var(--font-en);
  font-size: 24px;
  line-height: 1;
}

.alliance__faq-item[open] summary::after {
  content: "-";
}

.alliance__faq-item p {
  padding: 0 24px 24px;
}

.alliance__contact-inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 40px;
  align-items: start;
}

.alliance__contact-head {
  position: sticky;
  top: calc(var(--header-h-pc) + 32px);
}

.alliance__form {
  padding: 36px;
}

.alliance__form .wpcf7 form {
  display: grid;
  gap: 20px;
}

.alliance__form .wpcf7 p {
  margin: 0;
}

.alliance__form .wpcf7 label {
  display: grid;
  gap: 8px;
  color: var(--color-text-base);
  font-weight: 700;
}

.alliance__form .wpcf7 input[type="text"],
.alliance__form .wpcf7 input[type="email"],
.alliance__form .wpcf7 input[type="tel"],
.alliance__form .wpcf7 textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-bg-light);
  color: var(--color-text-base);
  font-family: var(--font-jp);
  font-size: 16px;
}

.alliance__form .wpcf7 textarea {
  min-height: 160px;
  resize: vertical;
}

.alliance__form .wpcf7-list-item {
  margin: 0 18px 8px 0;
}

.alliance__form .wpcf7-list-item label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
}

.alliance__form .wpcf7 input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-btn);
  background: var(--color-accent);
  color: var(--color-text-light);
  font-family: var(--font-jp);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.alliance__form .wpcf7 input[type="submit"]:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.alliance__form .wpcf7-not-valid-tip {
  margin-top: 6px;
  color: var(--color-accent);
  font-size: 13px;
}

.alliance__form .wpcf7-response-output {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-color: var(--color-border);
  border-radius: var(--radius-btn);
}

@media (max-width: 1199px) {
  .alliance__hero-inner,
  .alliance__contact-inner {
    grid-template-columns: 1fr;
  }

  .alliance__contact-head {
    position: static;
  }

  .alliance__product-grid,
  .alliance__step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .alliance__hero {
    padding: calc(var(--header-h-sp) + 56px) 0 64px;
  }

  .alliance__title {
    font-size: 38px;
  }

  .alliance__lead {
    font-size: 14px;
  }

  .alliance__section {
    padding: 72px 0;
  }

  .alliance__section-title {
    font-size: 28px;
  }

  .alliance__problem-grid,
  .alliance__merit-grid,
  .alliance__product-grid,
  .alliance__step-list,
  .alliance__cta-inner {
    grid-template-columns: 1fr;
  }

  .alliance__hero-panel,
  .alliance__problem-card,
  .alliance__merit-card,
  .alliance__step-card,
  .alliance__product-card,
  .alliance__form {
    padding: 24px;
  }

  .alliance__cta h2 {
    font-size: 28px;
  }

  .alliance__cta .btn {
    width: 100%;
  }
}