:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: #080b12;
  color: #f5f7fb;
}

* {
  box-sizing: border-box;
}

html {
  background: #080b12;
}

body {
  min-width: 320px;
  margin: 0;
  background: radial-gradient(circle at top right, #132932 0, transparent 34rem), #080b12;
  color: #e2e8f0;
  font-size: 16px;
  line-height: 1.8;
}

a {
  color: #9bf0d6;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #d6fff1;
}

a:focus-visible {
  outline: 3px solid #75e5c2;
  outline-offset: 4px;
}

.site-pages__skip-link {
  position: fixed;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  background: #f5f7fb;
  color: #080b12;
  transform: translateY(-160%);
}

.site-pages__skip-link:focus {
  transform: translateY(0);
}

.site-pages__header,
.site-pages__footer {
  border-color: rgba(151, 170, 190, 0.22);
  border-style: solid;
  border-width: 0;
}

.site-pages__header {
  border-bottom-width: 1px;
}

.site-pages__footer {
  border-top-width: 1px;
}

.site-pages__header-inner,
.site-pages__footer-inner,
.site-pages__main {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.site-pages__header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.site-pages__brand {
  flex: 0 0 auto;
  color: #f5f7fb;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.site-pages__nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-pages__nav a {
  color: #c6d0dc;
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

.site-pages__nav a[aria-current="page"] {
  color: #75e5c2;
  text-decoration: underline;
}

.site-pages__main {
  padding: clamp(40px, 7vw, 76px) 0;
}

.site-pages__article {
  padding: clamp(24px, 5vw, 52px);
  border: 1px solid rgba(151, 170, 190, 0.24);
  border-radius: 14px;
  background: rgba(13, 20, 30, 0.86);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
}

.site-pages__eyebrow {
  margin: 0 0 10px;
  color: #75e5c2;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

h1,
h2 {
  color: #f8fafc;
  line-height: 1.35;
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  letter-spacing: -0.035em;
}

h2 {
  margin: 42px 0 12px;
  font-size: clamp(1.2rem, 3vw, 1.48rem);
}

h3 {
  margin: 28px 0 8px;
  color: #dce3eb;
  font-size: 1rem;
}

p,
li,
dd {
  overflow-wrap: anywhere;
}

.site-pages__lead {
  margin: 20px 0 0;
  color: #c6d0dc;
  font-size: 1.08rem;
}

.site-pages__article ul {
  padding-left: 1.3em;
}

.site-pages__article li + li {
  margin-top: 6px;
}

.site-pages__article dl {
  display: grid;
  grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
  gap: 8px 20px;
  margin: 18px 0;
}

.site-pages__article dt {
  color: #a7b4c4;
  font-weight: 750;
}

.site-pages__article dd {
  margin: 0;
}

.site-pages__note {
  margin-top: 28px;
  padding: 16px 18px;
  border-left: 3px solid #75e5c2;
  background: rgba(117, 229, 194, 0.09);
}

.site-pages__article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 18px 0 0;
  color: #a7b4c4;
  font-size: 0.84rem;
}

.site-pages__article-cta {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin: 26px 0 4px;
  padding: 10px 16px;
  border: 1px solid #75e5c2;
  border-radius: 8px;
  background: rgba(117, 229, 194, 0.12);
  color: #d6fff1;
  font-weight: 800;
  text-decoration: none;
}

.site-pages__article-cta:hover {
  background: rgba(117, 229, 194, 0.22);
}

.site-pages__card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.site-pages__card {
  display: block;
  min-height: 100%;
  padding: 18px;
  border: 1px solid rgba(151, 170, 190, 0.28);
  border-radius: 10px;
  background: rgba(17, 29, 36, 0.72);
  color: #e2e8f0;
  text-decoration: none;
}

.site-pages__card:hover {
  border-color: #75e5c2;
  background: rgba(117, 229, 194, 0.1);
}

.site-pages__card strong,
.site-pages__card span {
  display: block;
}

.site-pages__card strong {
  color: #9bf0d6;
}

.site-pages__card span {
  margin-top: 6px;
  color: #c6d0dc;
  font-size: 0.91rem;
  line-height: 1.65;
}

.site-pages__step-list {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
  counter-reset: site-pages-step;
}

.site-pages__step-list li {
  position: relative;
  min-height: 2.5rem;
  padding: 9px 12px 9px 48px;
  border: 1px solid rgba(151, 170, 190, 0.24);
  border-radius: 8px;
  background: rgba(17, 29, 36, 0.58);
  counter-increment: site-pages-step;
}

.site-pages__step-list li::before {
  position: absolute;
  top: 9px;
  left: 12px;
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 999px;
  background: rgba(117, 229, 194, 0.17);
  color: #9bf0d6;
  content: counter(site-pages-step);
  font-size: 0.82rem;
  font-weight: 800;
}

.site-pages__symptom-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.site-pages__symptom-grid > div,
.site-pages__reference-card {
  padding: 18px;
  border: 1px solid rgba(151, 170, 190, 0.28);
  border-radius: 10px;
  background: rgba(17, 29, 36, 0.72);
}

.site-pages__symptom-grid h3 {
  margin-top: 0;
}

.site-pages__symptom-grid p,
.site-pages__reference-card p {
  margin: 8px 0 0;
}

.site-pages__reference-card {
  border-color: rgba(117, 229, 194, 0.38);
}

.site-pages__reference-card .site-pages__table-wrap {
  margin-top: 0;
}

.site-pages__checklist {
  display: grid;
  gap: 8px;
  margin: 20px 0;
  padding-left: 1.55em;
}

.site-pages__checklist li::marker {
  color: #75e5c2;
}

.site-pages__related {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(151, 170, 190, 0.24);
}

.site-pages__related h2 {
  margin-top: 0;
}

.site-pages__related ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 20px;
  padding-left: 1.2em;
}

.site-pages__table-wrap {
  overflow-x: auto;
  margin: 20px 0;
}

.site-pages__table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
}

.site-pages__table th,
.site-pages__table td {
  padding: 12px;
  border-bottom: 1px solid rgba(151, 170, 190, 0.24);
  text-align: left;
  vertical-align: top;
}

.site-pages__table th {
  color: #9bf0d6;
  font-weight: 750;
}

.site-pages__updated {
  margin-top: 42px;
  color: #9aa7b7;
  font-size: 0.88rem;
}

.site-pages__footer-inner {
  padding: 28px 0 36px;
}

.site-pages__footer .site-pages__nav ul {
  justify-content: flex-start;
}

.site-pages__footer-note {
  margin: 18px 0 0;
  color: #8996a6;
  font-size: 0.82rem;
}

@media (max-width: 720px) {
  .site-pages__header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .site-pages__nav ul {
    justify-content: flex-start;
    gap: 7px 14px;
  }

  .site-pages__article dl {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .site-pages__article dd + dt {
    margin-top: 14px;
  }

  .site-pages__card-grid,
  .site-pages__symptom-grid,
  .site-pages__related ul {
    grid-template-columns: 1fr;
  }
}