/* ===== Guide Top (一覧ページ) ===== */
.guide-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.guide-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.guide-card:not(.guide-card-coming):hover {
  border-color: var(--accent);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  transform: translateY(-2px);
  color: var(--text);
}

.guide-card-coming {
  opacity: 0.4;
  cursor: default;
}

.guide-card-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.guide-card-body {
  flex: 1;
  min-width: 0;
}

.guide-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  font-weight: 600;
}

.guide-card-body p {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
}

.guide-card-arrow {
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
  opacity: 0.6;
}

/* ===== Guide Article (説明ページ) ===== */
.guide-article {
  min-height: 100vh;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.breadcrumb a {
  color: var(--text-dim);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-sep {
  opacity: 0.4;
}

.guide-header {
  text-align: center;
  margin-bottom: 64px;
}

.guide-header-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.guide-header-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.guide-header-desc {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Steps ===== */
.guide-step {
  display: flex;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto 56px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #b91c1c, #e63946);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.step-body {
  flex: 1;
  min-width: 0;
}

.step-body h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-body p {
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 12px;
}

.step-body ul {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}

.step-body li {
  color: var(--text-dim);
  padding: 4px 0 4px 20px;
  position: relative;
  line-height: 1.7;
  font-size: 0.95rem;
}

.step-body li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.55rem;
  top: 11px;
}

.step-body code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--accent-2);
}

.step-image {
  margin-top: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.step-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Note ===== */
.guide-note {
  max-width: 800px;
  margin: 48px auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.guide-note h2 {
  font-size: 1.15rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.note-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.note-item h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent);
}

.note-item p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.note-item ul {
  list-style: none;
  padding: 0;
}

.note-item li {
  color: var(--text-dim);
  padding: 3px 0 3px 18px;
  position: relative;
  font-size: 0.9rem;
  line-height: 1.6;
}

.note-item li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.5rem;
  top: 9px;
}

.note-item code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--accent-2);
}

/* ===== Back ===== */
.guide-back {
  max-width: 800px;
  margin: 40px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.guide-back a {
  color: var(--text-dim);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.guide-back a:hover {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .guide-step {
    flex-direction: column;
    gap: 16px;
  }
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  .guide-card {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  .guide-card-arrow {
    display: none;
  }
  .note-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== TOC ===== */
.guide-toc {
  max-width: 800px;
  margin: 0 auto 56px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
}
.guide-toc h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.guide-toc ol {
  padding-left: 20px;
  margin: 0;
}
.guide-toc li {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 2;
}
.guide-toc a {
  color: var(--text-dim);
  transition: color 0.3s;
}
.guide-toc a:hover {
  color: var(--accent);
}

/* ===== Step Fields ===== */
.step-fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}
.field-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
}
.field-label {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--accent);
}
.field-desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ===== Code Block ===== */
.code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 12px 0 16px;
  overflow-x: auto;
}
.code-block code {
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: var(--accent-2);
}