/* =========================================================
   flow.css — ご利用の流れ Display Runtime v1
   正本: flow.html（URL /flow/）
   スコープ: 全セレクタを .flow 配下へ限定（汎用 class の global／他 Runtime 波及回避）。
   共通基盤（:root / body / .container / reset）は common.css 既存のため取り込まない。
   radius は正本の丸み（common.css の --radius-*）をそのまま使用。
   RULE-01/03/04: 面・DOM を増減しない忠実 Runtime 化。
   ========================================================= */

.flow .flow-list {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  gap: 32px;
  padding: 64px 0;
}
.flow .flow-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  align-items: stretch;
  position: relative;
}
.flow .flow-row__step {
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.flow .flow-row__step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -16px;
  transform: translateY(-50%);
  border-left: 16px solid var(--navy-900);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
}
.flow .flow-row__num {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 800;
  color: var(--blue-400);
  line-height: 1;
}
.flow .flow-row__label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}
.flow .flow-row__body {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}
.flow .flow-row__title {
  font-size: 22px;
  color: var(--navy-900);
  margin-bottom: 12px;
}
.flow .flow-row__desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 16px;
}
.flow .flow-row__notes {
  background: var(--gray-100);
  border-left: 3px solid var(--blue-600);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.flow .flow-row__notes strong {
  display: block;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue-600);
  margin-bottom: 4px;
}

.flow .timeline {
  position: absolute;
  left: 70px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--gray-200);
  z-index: -1;
}

.flow .flow-features {
  background: var(--gray-100);
  padding: 80px 0;
}
.flow .flow-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.flow .flow-feat {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.flow .flow-feat__ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 800;
  color: var(--blue-600);
  font-size: 24px;
}
.flow .flow-feat__title { color: var(--navy-900); font-size: 17px; margin-bottom: 10px; }
.flow .flow-feat__desc { font-size: 13px; color: var(--text-muted); line-height: 1.8; }

@media (max-width: 768px) {
  .flow .page-hero__title { font-size: 26px; }
  .flow .flow-row { grid-template-columns: 1fr; gap: 16px; }
  .flow .flow-row__step::after { display: none; }
  .flow .flow-row__body { padding: 20px; }
  .flow .flow-features__grid { grid-template-columns: 1fr; }
  .flow .timeline { display: none; }
}