/* Flow (timeline) */
.flow-section{
  padding: 80px 0;
  background: #fff;
}

.flow-header{
  text-align: center;
  margin-bottom: 50px;
}

.flow-badge{
  display: inline-block;
  padding: 8px 18px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  margin-bottom: 16px;
}

.flow-title{
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  margin: 0 0 8px;
}

.flow-subtitle{
  color: var(--text-light);
  font-size: 1rem;
}

/* Steps */
.flow-steps{
  position: relative;
  display: grid;
  gap: 34px;
}

/* 縦ライン（アイコンの中心を通す） */
.flow-steps::before{
  content: "";
  position: absolute;
  left: 55px;           /* アイコン半径に合わせて調整 */
  top: 20px;
  bottom: 0;
  width: 2px;
  background: #e8edf2;
}

/* 各ステップのレイアウト */
.flow-step{
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: start;
  column-gap: 20px;
  position: relative;
}

/* アイコンの丸 */
.flow-icon{
  width: 110px;
  height: 110px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  box-shadow: 0 10px 24px rgba(52,152,219,.25);
  position: relative;
  z-index: 1; /* 縦ラインより前に */
  margin: 0 auto;
}

.flow-icon i{
  font-size: 38px;
}

/* テキスト */
.flow-step-num{
  color: var(--accent);
  font-weight: 800;
  margin: 0 0 6px;
}

.flow-step-title{
  font-size: 1.35rem;
  color: var(--dark);
  margin: 0 0 8px;
  font-weight: 800;
}

.flow-step-text{
  color: var(--text);
  line-height: 1.8;
  font-size: 1rem;
}

/* レスポンシブ */
@media (max-width: 768px){
  .flow-section{ padding: 60px 0; }
  .flow-title{ font-size: 1.6rem; }
  .flow-steps::before{ left: 44px; top: 10px; }   /* アイコン小さくする分だけ寄せる */
  .flow-step{ grid-template-columns: 88px 1fr; column-gap: 16px; }
  .flow-icon{ width: 88px; height: 88px; }
  .flow-icon i{ font-size: 30px; }
  .flow-step-title{ font-size: 1.2rem; }
  .flow-step-text{ font-size: .95rem; }
}

@media (max-width: 480px){
  .flow-steps::before{ left: 38px; }
  .flow-step{ grid-template-columns: 76px 1fr; }
  .flow-icon{ width: 76px; height: 76px; }
  .flow-icon i{ font-size: 26px; }
}