:root {
  --color-navy: #0B1D33;
  --color-blue-dark: #123A5A;
  --color-blue: #1F5A7A;
  --color-muted: #6B7C8A;
  --color-bg: #D7DDE2;
  --color-white: #FFFFFF;
  --color-soft: #F5F7F9;
  --color-border: rgba(11, 29, 51, 0.14);
  --color-shadow: rgba(11, 29, 51, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-navy);
  background: var(--color-bg);
}

a {
  color: inherit;
}

.manual-hero {
  padding: 48px 24px 64px;
  color: var(--color-white);
  background:
    radial-gradient(circle at top right, rgba(31, 90, 122, 0.95), transparent 34%),
    linear-gradient(135deg, var(--color-navy), var(--color-blue-dark));
}

.manual-hero__content {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  margin-bottom: 38px;
  color: var(--color-bg);
  font-weight: 800;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

.manual-hero__eyebrow,
.coming-soon__label {
  display: inline-flex;
  width: fit-content;
  margin: 0;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manual-hero__eyebrow {
  background: rgba(255, 255, 255, 0.14);
}

.manual-hero h1 {
  max-width: 800px;
  margin: 22px 0 18px;
  font-size: clamp(2.8rem, 7vw, 5.7rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

.manual-hero__description {
  max-width: 680px;
  margin: 0;
  color: var(--color-bg);
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  line-height: 1.55;
}

.manual-layout {
  width: min(100%, calc(var(--max-width) + 48px));
  margin: -28px auto 0;
  padding: 0 24px 48px;
}

.manual-card {
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 24px 70px var(--color-shadow);
}

.manual-card section + section {
  margin-top: 52px;
}

.manual-card h2 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.manual-card p,
.manual-card li {
  font-size: 1.04rem;
  line-height: 1.7;
}

.manual-card p {
  margin: 0 0 16px;
}

.manual-card ul {
  margin: 16px 0 0;
  padding-left: 1.35rem;
}

.manual-card li + li {
  margin-top: 8px;
}

code {
  padding: 0.18em 0.42em;
  border-radius: 7px;
  color: var(--color-blue-dark);
  background: rgba(31, 90, 122, 0.1);
  font-size: 0.92em;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.notice {
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.notice strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.notice p {
  margin: 0;
}

.notice--important {
  border-color: rgba(31, 90, 122, 0.3);
  background: rgba(31, 90, 122, 0.08);
}

.notice--tip {
  margin-top: 22px;
  border-color: rgba(6, 118, 71, 0.24);
  background: #ECFDF3;
}

.table-wrapper {
  width: 100%;
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

th,
td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--color-white);
  background: var(--color-blue-dark);
  font-size: 0.9rem;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:nth-child(even) {
  background: var(--color-soft);
}

.table-center {
  text-align: center;
  font-weight: 800;
}

.highlight-text {
  margin-top: 18px !important;
  padding-left: 14px;
  border-left: 4px solid var(--color-blue);
  font-weight: 750;
}

.check-list {
  list-style: none;
  padding-left: 0 !important;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #067647;
  font-weight: 900;
}

.coming-soon {
  padding: 24px;
  border-radius: var(--radius-md);
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-blue-dark), var(--color-blue));
}

.coming-soon__label {
  margin-bottom: 16px !important;
  color: var(--color-navy);
  background: var(--color-white);
}

.coming-soon h2 {
  color: var(--color-white);
}

.coming-soon p {
  margin-bottom: 0;
  color: var(--color-bg);
}

.manual-actions {
  display: flex;
  margin-top: 42px;
}

.button {
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  background: var(--color-blue);
  font-weight: 850;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px var(--color-shadow);
}

.manual-footer {
  padding: 20px 24px 34px;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.manual-footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .manual-hero {
    padding: 30px 20px 50px;
  }

  .back-link {
    margin-bottom: 30px;
  }

  .manual-hero h1 {
    font-size: clamp(2.55rem, 12vw, 4rem);
  }

  .manual-layout {
    margin-top: -20px;
    padding: 0 14px 30px;
  }

  .manual-card {
    padding: 22px 18px;
    border-radius: 22px;
  }

  .manual-card section + section {
    margin-top: 38px;
  }

  .manual-card p,
  .manual-card li {
    font-size: 0.98rem;
    line-height: 1.6;
  }

  .notice {
    padding: 16px;
  }

  .table-wrapper {
    border-radius: 14px;
  }

  th,
  td {
    padding: 13px 14px;
  }

  .coming-soon {
    padding: 20px;
  }

  .manual-actions,
  .button {
    width: 100%;
  }
}