/* service.css - "サービスの全体像" */

.service {
  position: relative;
  padding: var(--sp-9) 0;
  background: var(--cal-teal-tint-50);
  overflow: hidden;
}

.service__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.service__bg-circle {
  position: absolute;
  border-radius: 50%;
  background: var(--cal-teal-tint);
  opacity: 0.55;
}
.service__bg-circle--a { width: 360px; height: 360px; top: -140px; left: -160px; }
.service__bg-circle--b { width: 240px; height: 240px; bottom: -120px; right: -100px; }

.service__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

.service__header {
  text-align: center;
  margin-bottom: var(--sp-8);
}
.service__label { display: inline-block; margin-bottom: var(--sp-3); }
.service__heading { margin-bottom: var(--sp-4); }
.service__lead {
  color: var(--fg-2);
  max-width: 40em;
  margin: 0 auto;
}

.service__phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-7);
  list-style: none;
  padding: 0;
  margin: 0;
}

.service__phase {
  position: relative;
  display: flex;
  flex-direction: column;
}

.service__phase-stripe {
  height: 8px;
  background: var(--cal-teal);
  flex-shrink: 0;
}

.service__phase-body {
  padding: var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-3);
  flex-grow: 1;
}

.service__phase-num {
  margin-bottom: 0;
}

.service__phase-icon {
  margin: var(--sp-2) 0;
}

.service__phase-title {
  margin: 0;
}
.service__phase-desc {
  margin: 0;
  color: var(--fg-2);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-relaxed);
}

/* Coral chevron between cards (CSS-drawn, no SVG) */
.service__phase:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  width: 14px;
  height: 14px;
  border-top: 2px solid var(--cal-coral);
  border-right: 2px solid var(--cal-coral);
  transform: translate(calc(var(--sp-7) / 2 - 7px), -50%) rotate(45deg);
  pointer-events: none;
  z-index: 1;
}

.service__note {
  text-align: center;
  font-size: var(--fs-body-sm);
  color: var(--fg-3);
  margin: var(--sp-7) auto 0;
  max-width: 36em;
}

/* --- Tablet (≤1024px) --------- 2 cols, no arrows -------------- */
@media (max-width: 1024px) {
  .service__phases {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6) var(--sp-5);
    max-width: 720px;
  }
  .service__phase:not(:last-child)::after {
    display: none;
  }
}

/* --- Mobile (≤768px) ---------- 1 col, down arrows ------------- */
@media (max-width: 768px) {
  .service { padding: var(--sp-7) 0; }
  .service__phases {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
  }
  .service__phase:not(:last-child)::after {
    display: block;
    top: 100%;
    left: 50%;
    transform: translate(-50%, calc(var(--sp-6) / 2 - 7px)) rotate(135deg);
  }
}