/* ── Guide / Article page ───────────────────────────────── */

.guide-hero {
  padding-top: calc(68px + var(--sp-2xl));
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--sp-2xl);
}
.guide-hero__inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--sp-2xl);
  align-items: start;
}
.guide-hero__h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-sm);
}
.guide-hero__sub {
  font-size: 1.1rem;
  color: var(--color-gray-l);
  line-height: 1.7;
  margin-bottom: var(--sp-md);
}
.guide-meta {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-gray);
}
.guide-toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-md);
  position: sticky;
  top: 88px;
}
.guide-toc__title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  margin-bottom: var(--sp-sm);
}
.guide-toc__list {
  list-style: none;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.guide-toc__list li a {
  font-size: 0.875rem;
  color: var(--color-gray-l);
  transition: color 0.2s;
  line-height: 1.4;
  display: block;
}
.guide-toc__list li a:hover { color: var(--color-accent); }

/* Body layout */
.guide-body { padding: var(--sp-2xl) 0 var(--sp-3xl); }
.guide-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--sp-2xl);
  align-items: start;
}

/* Article */
.guide-article { min-width: 0; }
.guide-section {
  margin-bottom: var(--sp-2xl);
  padding-bottom: var(--sp-2xl);
  border-bottom: 1px solid var(--color-border);
}
.guide-section:last-child { border-bottom: none; }
.guide-section h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: var(--sp-md);
  scroll-margin-top: 100px;
}
.guide-section h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: var(--sp-lg) 0 var(--sp-sm);
}
.guide-section p {
  font-size: 1rem;
  color: var(--color-gray-l);
  line-height: 1.8;
  margin-bottom: var(--sp-sm);
}
.guide-section p strong { color: var(--color-white); }

/* Lists */
.guide-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: var(--sp-sm) 0 var(--sp-md);
}
.guide-list li {
  font-size: 0.95rem;
  color: var(--color-gray-l);
  line-height: 1.6;
  padding-left: 1.5rem;
  position: relative;
}
.guide-list li::before { content: '→'; position: absolute; left: 0; color: var(--color-accent); }
.guide-list--warning li::before { content: '⚠️'; }

/* Callouts */
.guide-callout {
  border-radius: var(--radius);
  padding: var(--sp-md);
  margin: var(--sp-md) 0;
  font-size: 0.95rem;
  line-height: 1.7;
}
.guide-callout strong { display: block; margin-bottom: 0.25rem; }
.guide-callout--info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #93c5fd; }
.guide-callout--info strong { color: #60a5fa; }
.guide-callout--warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: #fcd34d; }
.guide-callout--warning strong { color: #fbbf24; }
.guide-callout--accent { background: rgba(161,0,255,0.1); border: 1px solid rgba(161,0,255,0.3); color: var(--color-gray-l); }
.guide-callout--accent strong { color: var(--color-accent); }
.guide-callout a { color: var(--color-accent); text-decoration: underline; }

/* Table */
.guide-table-wrap { overflow-x: auto; margin: var(--sp-md) 0; }
.guide-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.guide-table th {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-gray-l);
}
.guide-table td {
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  color: var(--color-gray-l);
  line-height: 1.5;
}
.guide-table tr:hover td { background: var(--color-surface); }
.guide-table strong { color: var(--color-white); }

/* Step list */
.guide-steps-list { display: flex; flex-direction: column; gap: var(--sp-md); margin: var(--sp-md) 0; }
.guide-step-item {
  display: flex;
  gap: var(--sp-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--sp-md);
}
.guide-step-item__num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}
.guide-step-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.guide-step-item p { font-size: 0.875rem; color: var(--color-gray-l); line-height: 1.6; margin: 0; }

/* Timeline */
.guide-timeline { display: flex; flex-direction: column; gap: var(--sp-sm); margin: var(--sp-md) 0; }
.guide-timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--sp-md);
  padding: var(--sp-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  align-items: start;
}
.guide-timeline-item--warning { border-color: rgba(245,158,11,0.4); }
.guide-timeline-item--danger { border-color: rgba(239,68,68,0.4); }
.guide-timeline-item__date { font-size: 0.8rem; font-weight: 700; color: var(--color-accent); line-height: 1.4; }
.guide-timeline-item--warning .guide-timeline-item__date { color: #fbbf24; }
.guide-timeline-item--danger .guide-timeline-item__date { color: #f87171; }
.guide-timeline-item__content strong { display: block; font-size: 0.95rem; margin-bottom: 0.25rem; }
.guide-timeline-item__content p { font-size: 0.85rem; color: var(--color-gray-l); margin: 0; line-height: 1.6; }

/* FAQ */
.guide-faq { display: flex; flex-direction: column; gap: var(--sp-sm); }
.guide-faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.guide-faq-item[open] { border-color: rgba(161,0,255,0.4); }
.guide-faq-item summary {
  padding: var(--sp-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.guide-faq-item summary::after { content: '+'; color: var(--color-accent); font-size: 1.2rem; }
.guide-faq-item[open] summary::after { content: '−'; }
.guide-faq-item p { padding: 0 var(--sp-md) var(--sp-md); font-size: 0.9rem; color: var(--color-gray-l); line-height: 1.7; margin: 0; }

/* Inline CTA */
.guide-cta-inline {
  background: linear-gradient(135deg, #1a001a 0%, #0d0d0d 100%);
  border: 1px solid rgba(161,0,255,0.3);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  margin-top: var(--sp-2xl);
}
.guide-cta-inline h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.5rem; }
.guide-cta-inline p { color: var(--color-gray-l); font-size: 0.95rem; margin: 0; }

/* Sidebar */
.guide-sidebar { display: flex; flex-direction: column; gap: var(--sp-md); position: sticky; top: 88px; }
.guide-sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-md);
}
.guide-sidebar-card--cta { border-color: rgba(161,0,255,0.3); background: linear-gradient(135deg,#1a001a,#0d0d0d); }
.guide-sidebar-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.guide-sidebar-card p { font-size: 0.875rem; color: var(--color-gray-l); line-height: 1.6; margin: 0; }
.guide-sidebar-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; margin-top: var(--sp-sm); }
.guide-sidebar-list li a { font-size: 0.875rem; color: var(--color-gray-l); transition: color 0.2s; }
.guide-sidebar-list li a:hover { color: var(--color-accent); }

/* Responsive */
@media (max-width: 1024px) {
  .guide-hero__inner { grid-template-columns: 1fr; }
  .guide-toc { display: none; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .guide-sidebar-card { flex: 1 1 260px; }
  .guide-timeline-item { grid-template-columns: 120px 1fr; }
}
@media (max-width: 640px) {
  .guide-timeline-item { grid-template-columns: 1fr; }
  .guide-timeline-item__date { margin-bottom: 0.25rem; }
  .guide-sidebar { flex-direction: column; }
}