/* ------------------------------------------------------
   Service
------------------------------------------------------ */

.service {
  --section-accent: var(--color-accent-service);
  position: relative;
  z-index: 1;
  background: rgba(0, 0, 0, 0.93);
  color: #ffffff;
  padding: 7rem 0 8rem;
}

.service-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.service .section-label {
  color: #ffffff;
  margin-bottom: 1.4rem;
}

.service-lead {
  margin-bottom: 4rem;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.service-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.service-item {
  --item-accent: var(--color-accent-service);
  position: relative;
  padding: 2.6rem 2.2rem;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  overflow: hidden;
  transition: background-color 0.45s var(--ease-out-soft);
}

.service-item:nth-child(3n+1) {
  --item-accent: var(--color-accent-about);
}

.service-item:nth-child(3n+3) {
  --item-accent: var(--color-accent-profile);
}

.service-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--item-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.45s var(--ease-out-expo);
}

.service-item:hover::before {
  transform: scaleY(1);
  transform-origin: top;
}

.service-item:nth-child(odd) {
  background: #1a1a1a;
}

.service-item:nth-child(even) {
  background: #333333;
}

.service-item:hover {
  background: #000000;
}

.service-item:nth-child(-n+2) {
  border-top: none;
}

.service-item:nth-child(even) {
  border-right: none;
}

.service-item__no {
  display: block;
  font-family: "Barlow", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 1rem;
  transition: color 0.35s var(--ease-out-soft);
}

.service-item:hover .service-item__no {
  color: var(--item-accent);
}

.service-item__title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.9rem;
  transition: transform 0.35s var(--ease-out-soft);
}

.service-item:hover .service-item__title {
  transform: translateX(8px);
}

.service-item__text {
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease-out-soft);
}

.service-item:hover .service-item__text {
  transform: translateX(8px);
}

@media (max-width: 640px) {
  .service {
    padding: 5rem 0 6rem;
  }

  .service-lead {
    margin-bottom: 2.5rem;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

  .service-item:nth-child(even) {
    border-right: 1px solid rgba(255, 255, 255, 0.14);
  }

  .service-item:nth-child(-n+2) {
    border-top: none;
  }

  .service-item:last-child {
    border-bottom: none;
  }
}

/* ------------------------------------------------------
   スクロールリビール（Service固有）
------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .service-list.reveal .service-item {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s var(--ease-out-soft), transform 0.6s var(--ease-out-soft);
  }

  .service-list.reveal .service-item:nth-child(1) { transition-delay: 0.02s; }
  .service-list.reveal .service-item:nth-child(2) { transition-delay: 0.08s; }
  .service-list.reveal .service-item:nth-child(3) { transition-delay: 0.14s; }
  .service-list.reveal .service-item:nth-child(4) { transition-delay: 0.2s; }
  .service-list.reveal .service-item:nth-child(5) { transition-delay: 0.26s; }
  .service-list.reveal .service-item:nth-child(6) { transition-delay: 0.32s; }

  .service-list.reveal.is-visible .service-item {
    opacity: 1;
    transform: translateY(0);
  }
}