:root {
  color-scheme: light;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #10201f;
  background: #f7faf9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

a {
  color: #0b5f59;
}

.guide-header {
  border-bottom: 1px solid #dce8e5;
  background: #fff;
}

.guide-header nav {
  display: flex;
  width: min(1080px, calc(100% - 32px));
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 auto;
}

.guide-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
  color: #10201f;
}

.guide-brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.guide-header-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.guide-header-links a {
  text-decoration: none;
  font-weight: 650;
  font-size: 14px;
}

.guide-header-links a.is-active {
  color: #10201f;
}

.guide-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: #0f766e;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

.guide-button:hover {
  background: #0b5f59;
}

.guide-layout {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.guide-layout--hub {
  padding-top: 56px;
}

.guide-layout--article {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.guide-sidebar {
  position: sticky;
  top: 24px;
}

.guide-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.guide-sidebar-section {
  margin-top: 20px;
}

.guide-sidebar-section:first-child {
  margin-top: 0;
}

.guide-sidebar-label {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #60706e;
}

.guide-sidebar a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: #536361;
}

.guide-sidebar a:hover {
  background: #eaf5f2;
  color: #0b5f59;
}

.guide-sidebar a.is-active {
  background: #e4f5f1;
  color: #0b5f59;
}

.guide-content h1 {
  margin: 0;
  font-size: 38px;
  line-height: 1.15;
}

.guide-content h2 {
  margin: 36px 0 10px;
  font-size: 22px;
  color: #10201f;
}

.guide-content h3 {
  margin: 24px 0 8px;
  font-size: 17px;
  color: #10201f;
}

.guide-content p,
.guide-content li {
  color: #536361;
  line-height: 1.7;
}

.guide-content ul,
.guide-content ol {
  padding-left: 1.35rem;
}

.guide-updated {
  margin-top: 12px;
  font-size: 14px;
  color: #60706e;
}

.guide-notice {
  border-left: 4px solid #0f766e;
  margin: 24px 0;
  padding: 14px 18px;
  background: #e4f5f1;
  color: #274743;
  font-size: 14px;
  line-height: 1.65;
}

.guide-steps {
  display: grid;
  gap: 16px;
  margin: 28px 0;
}

.guide-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid #dce8e5;
  border-radius: 12px;
  background: #fff;
}

.guide-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: #eaf5f2;
  color: #0f766e;
  font-weight: 800;
  font-size: 15px;
}

.guide-step h3 {
  margin: 0 0 6px;
}

.guide-step p {
  margin: 0;
  font-size: 15px;
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.guide-card {
  display: block;
  padding: 20px;
  border: 1px solid #dce8e5;
  border-radius: 12px;
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.guide-card:hover {
  border-color: #9fd4cb;
  box-shadow: 0 8px 24px rgba(15, 118, 110, 0.08);
}

.guide-card-kicker {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #0f766e;
}

.guide-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #10201f;
}

.guide-card p {
  margin: 0;
  font-size: 14px;
}

.guide-figure {
  margin: 28px 0;
  border: 1px solid #dce8e5;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.guide-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: #60706e;
  border-top: 1px solid #dce8e5;
}

.guide-cta {
  margin-top: 40px;
  padding: 24px;
  border-radius: 12px;
  background: #eaf5f2;
}

.guide-cta h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.guide-cta p {
  margin: 0 0 16px;
}

.guide-footer {
  border-top: 1px solid #dce8e5;
  padding: 32px 16px 40px;
  background: #fff;
}

.guide-footer-inner {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  text-align: center;
}

.guide-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  margin-bottom: 16px;
}

.guide-footer-links a {
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

.guide-footer-note {
  margin: 0 0 12px;
  font-size: 13px;
  color: #60706e;
  line-height: 1.6;
}

.guide-footer-copy {
  font-size: 14px;
  color: #60706e;
}

@media (max-width: 860px) {
  .guide-layout--article {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .guide-sidebar {
    position: static;
    padding-bottom: 8px;
    border-bottom: 1px solid #dce8e5;
  }

  .guide-sidebar nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .guide-sidebar-section {
    margin-top: 0;
    width: 100%;
  }

  .guide-content h1 {
    font-size: 32px;
  }
}

@media (max-width: 520px) {
  .guide-header nav {
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .guide-header-links {
    width: 100%;
    justify-content: space-between;
  }

  .guide-layout {
    padding-top: 32px;
  }
}