.flow-page {
  padding-top: calc(var(--header-height) + var(--sp-lg));
  padding-bottom: var(--sp-xl);
  background:
    radial-gradient(
      circle at top right,
      rgba(197, 160, 89, 0.16),
      transparent 30%
    ),
    linear-gradient(180deg, #fbf8f2 0%, #fff 15rem, #fff 100%);
}

.flow-page__header {
  max-width: 52rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.flow-page__title {
  margin-top: 0.5rem;
  font-size: 2rem;
}

.flow-page__lead {
  margin-top: 1rem;
  color: var(--c-text-light);
}

.flow-page__intro {
  max-width: 52rem;
  margin: 0 auto 2.5rem;
}

.flow-page__section + .flow-page__section {
  margin-top: 5rem;
}

.flow-page__section-head {
  margin-bottom: 1.75rem;
}

.flow-page__section-kicker {
  color: var(--c-accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flow-page__section-title {
  margin-top: 0.4rem;
  font-size: 1.85rem;
}

.flow-timeline {
  position: relative;
}

.flow-timeline__track {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1.05rem;
  width: 2px;
  background-color: rgba(21, 34, 56, 0.1);
}

.flow-timeline__track::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(var(--timeline-progress, 0) * 100%);
  background: linear-gradient(180deg, var(--c-accent), var(--c-main-light));
  transform-origin: top;
}

.flow-timeline__items {
  display: grid;
  gap: 2rem;
}

.flow-step-card {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  opacity: 0.45;
  transform: translateY(24px);
  transition:
    transform 0.7s var(--ease-out),
    opacity 0.7s var(--ease-out);
}

.flow-step-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.flow-step-card__rail {
  position: relative;
}

.flow-step-card__dot {
  position: absolute;
  top: 1.75rem;
  left: 0.1rem;
  width: 1.9rem;
  height: 1.9rem;
  border: 6px solid #f6efe2;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
  box-shadow: 0 0 0 1px rgba(21, 34, 56, 0.08);
}

.flow-step-card__body {
  padding: 1.6rem;
  border: 1px solid rgba(21, 34, 56, 0.08);
  border-radius: 1.25rem;
  background-color: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.flow-step-card__eyebrow {
  color: var(--c-accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flow-step-card__title {
  margin-top: 0.5rem;
  font-size: 1.5rem;
}

.flow-step-card__text {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.flow-step-card__points {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  background-color: #f8f4ec;
}

.flow-step-card__points-label {
  color: var(--c-accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flow-step-card__points-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.flow-step-card__points-list li {
  position: relative;
  padding-left: 1.25rem;
}

.flow-step-card__points-list li::before {
  content: "";
  position: absolute;
  top: 0.9rem;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background-color: var(--c-accent);
  transform: translateY(-50%);
}

.flow-notes {
  display: grid;
  gap: 1rem;
}

.flow-notes__item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-left: 4px solid #d9c08b;
  border-radius: 0.85rem;
  background-color: #fffaf0;
}

.flow-notes__mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: rgba(197, 160, 89, 0.14);
  color: var(--c-accent-dark);
  font-weight: 700;
}

.flow-bgm__intro {
  display: grid;
  gap: 1rem;
}

.flow-bgm__type {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding: 1.5rem;
  border-top: 1px solid rgba(21, 34, 56, 0.08);
  background-color: rgba(255, 255, 255, 0.92);
}
.flow-bgm__type:last-child {
  border-bottom: 1px solid rgba(21, 34, 56, 0.08);
  margin-bottom: 1.75rem;
}

.flow-bgm__type-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.flow-bgm__type-body {
  display: grid;
  gap: 0.9rem;
}

.flow-bgm__player {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: 1.25rem;
  background-color: var(--c-main);
  color: var(--c-white);
}

.flow-bgm__player-head {
  display: grid;
  gap: 1rem;
}

.flow-bgm__player-kicker {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flow-bgm__player-title {
  margin-top: 0.35rem;
  color: var(--c-white);
}

.flow-bgm__player-note {
  color: rgba(255, 255, 255, 0.74);
}

.flow-bgm__empty {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 1rem;
  background-color: rgba(255, 255, 255, 0.06);
}

.flow-bgm__empty-title {
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.flow-bgm__list {
  display: grid;
  gap: 0;
}

.flow-bgm__row {
  display: grid;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.flow-bgm__row:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.flow-bgm__row-main {
  display: grid;
  gap: 0.5rem;
}

.flow-bgm__row-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1rem;
}

.flow-bgm__row-number {
  color: var(--c-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.2;
}

.flow-bgm__row-category {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.flow-bgm__row-title {
  color: var(--c-white);
  font-size: 1.25rem;
  line-height: 1.5;
}

.flow-bgm__row-player audio {
  width: 100%;
  min-height: 3rem;
}

.flow-pricing {
  font-size: 0.9rem;
}

.flow-pricing__table-wrap {
  overflow-x: auto;
}

.flow-pricing__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 44rem;
  background-color: var(--c-white);
}

.flow-pricing__table th,
.flow-pricing__table td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--c-border);
  text-align: left;
  vertical-align: top;
}

.flow-pricing__table thead th {
  background-color: #f8f4ec;
  color: var(--c-main);
}

@media (min-width: 768px) {
  .flow-page__title {
    font-size: 2.5rem;
  }

  .flow-step-card {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 1.5rem;
  }

  .flow-timeline__track {
    left: 1.9rem;
  }

  .flow-step-card__dot {
    left: 0.95rem;
  }

  .flow-bgm__intro {
    grid-template-columns: 1fr;
  }

  .flow-bgm__type {
    grid-template-columns: 1fr 4fr;
    gap: 0;
  }

  .flow-bgm__player-head {
    margin-bottom: 1.5rem;
    text-align: center;
  }

  .flow-bgm__row {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 44%);
    align-items: center;
    gap: 1.5rem;
  }
}