/* ===== FLOW ===== */
  .flow-section { background: var(--white); position: relative; overflow: hidden; }

  .flow-section::before {
    content: 'FLOW';
    position: absolute;
    right: -8px; bottom: -16px;
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(68px, 16vw, 160px);
    font-weight: 700;
    color: rgba(240,62,122,0.05);
    letter-spacing: 0.08em;
    line-height: 1;
    pointer-events: none;
    white-space: nowrap;
    z-index: 0;
  }

  .flow-steps { display: flex; flex-direction: column; gap: 0; max-width: 600px; }

  .flow-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    position: relative;
    padding-bottom: 26px;
    animation: fadeUp 0.6s ease both;
  }

  .flow-step:nth-child(1) { animation-delay: 0.2s; }
  .flow-step:nth-child(2) { animation-delay: 0.3s; }
  .flow-step:nth-child(3) { animation-delay: 0.4s; }
  .flow-step:nth-child(4) { animation-delay: 0.5s; }

  .flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 19px;
    top: 44px;
    width: 2px;
    height: calc(100% - 44px);
    background: linear-gradient(to bottom, var(--pink-main), var(--pink-light));
  }

  .flow-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--pink-main);
    color: white;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .flow-content .flow-title { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
  .flow-content .flow-desc { font-size: 15px; color: var(--gray-text); line-height: 1.8; }