@charset "utf-8";

.page-howto .header-nav a[aria-current="page"],
.page-howto .mobile-menu a[aria-current="page"] {
  color: var(--color-yellow);
}

.howto-page-section {
  padding-top: 76px;
}

.howto-container {
  max-width: 1040px;
}

.howto-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 26px;
}

.howto-lead {
  max-width: 780px;
  margin: 0 0 52px;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.95;
  font-weight: 700;
}

.howto-section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;

  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-line);
}

.howto-section-head h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.04em;
  font-weight: 1000;
}

.howto-flow,
.howto-grid-section,
.howto-timeline,
.howto-notes {
  margin-top: 64px;
}

.flow-lineup {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.flow-card,
.simple-card {
  min-width: 0;
  border: 1px solid var(--color-line);
  border-radius: 24px;
  background: var(--color-white);
  box-shadow: 0 8px 26px rgba(15, 23, 42, 0.05);
}

.flow-card {
  display: flex;
  flex-direction: column;
  padding: 26px 22px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.flow-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-yellow);
  box-shadow: var(--shadow-soft);
}

.flow-number {
  margin: 0 0 30px;
  color: var(--color-yellow);
  font-size: 48px;
  line-height: 1;
  font-weight: 1000;
  letter-spacing: -0.06em;
}

.flow-card h3,
.simple-card h3,
.timeline-list h3 {
  margin: 0;
  color: var(--color-black);
  font-size: 20px;
  line-height: 1.35;
  font-weight: 1000;
  letter-spacing: -0.03em;
}

.flow-card p,
.simple-card p,
.timeline-list p {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.8;
}

.flow-card a {
  display: inline-block;
  margin-top: auto;
  padding-top: 18px;
  color: #ca8a04;
  font-size: 13px;
  font-weight: 1000;
}

.simple-card-grid {
  display: grid;
  gap: 18px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.simple-card {
  padding: 26px;
  border-left: 5px solid var(--color-yellow);
}

.simple-card.compact {
  min-height: 154px;
}

.simple-card ul {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.75;
}

.simple-card li {
  position: relative;
  padding-left: 18px;
}

.simple-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-yellow);
}

.howto-note {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.75;
}

.timeline-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.timeline-list li {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--color-line);
}

.timeline-list time {
  color: var(--color-yellow);
  font-size: 13px;
  font-weight: 1000;
  letter-spacing: 0.18em;
}

.howto-faq-list {
  background: var(--color-white);
}

.howto-faq-list details {
  padding: 22px 0;
}

.howto-faq-list summary {
  font-size: 17px;
}

@media (max-width: 980px) {
  .flow-lineup,
  .three-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .howto-page-section {
    padding-top: 56px;
  }

  .howto-toolbar,
  .howto-section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .howto-lead {
    margin-bottom: 42px;
    font-size: 15px;
  }

  .howto-flow,
  .howto-grid-section,
  .howto-timeline,
  .howto-notes {
    margin-top: 48px;
  }

  .flow-lineup,
  .two-columns,
  .three-columns {
    grid-template-columns: 1fr;
  }

  .flow-card,
  .simple-card {
    border-radius: 20px;
    padding: 24px 20px;
  }

  .flow-number {
    margin-bottom: 20px;
    font-size: 44px;
  }

  .timeline-list li {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px 0;
  }
}