:root {
  --mr-blue: #1d4ed8;
  --mr-blue-dark: #1e3a8a;
  --mr-blue-soft: #eff6ff;
  --mr-amber: #b45309;
  --mr-amber-soft: #fffbeb;
  --mr-ink: #0f172a;
  --mr-ink-mid: #334155;
  --mr-muted: #64748b;
  --mr-line: #e2e8f0;
  --mr-cream: #f8fafc;
  --mr-white: #ffffff;
  --mr-sidebar: #0f172a;
  --mr-sidebar-text: #cbd5e1;
  --mr-accent: #0891b2;
  --mr-max: 74rem;
  --mr-radius: 10px;
  --mr-radius-lg: 18px;
  --mr-font: "Source Sans 3", system-ui, -apple-system, sans-serif;
  --mr-mono: "Source Code Pro", ui-monospace, monospace;
  --mr-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --mr-shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.14);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 4.5rem; }

body {
  margin: 0;
  font-family: var(--mr-font);
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--mr-ink);
  background: linear-gradient(180deg, #eef2ff 0%, var(--mr-cream) 12rem);
}

a {
  color: var(--mr-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--mr-blue-dark); }

img { max-width: 100%; height: auto; display: block; }

.mr-app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 268px 1fr;
}

.mr-skip {
  position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden;
}
.mr-skip:focus {
  position: fixed; left: 1rem; top: 1rem; width: auto; height: auto;
  padding: 0.5rem 1rem; background: var(--mr-ink); color: #fff; z-index: 300;
  border-radius: var(--mr-radius);
}

.mr-sidebar {
  background: var(--mr-sidebar);
  color: var(--mr-sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
}

.mr-sidebar__brand {
  padding: 1.35rem 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mr-sidebar__brand a {
  display: flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: #fff; font-weight: 700; font-size: 0.95rem;
}
.mr-sidebar__brand a:hover { color: #fff; }
.mr-sidebar__brand img { width: 38px; height: 38px; border-radius: 8px; }

.mr-sidebar__ribbon {
  margin: 0.85rem 1rem 0;
  padding: 0.55rem 0.75rem;
  background: rgba(29, 78, 216, 0.18);
  border-left: 3px solid var(--mr-blue);
  border-radius: 0 var(--mr-radius) var(--mr-radius) 0;
  font-size: 0.78rem;
  line-height: 1.45;
}
.mr-sidebar__ribbon a { color: #93c5fd; font-weight: 600; text-decoration: none; }
.mr-sidebar__ribbon a:hover { color: #fff; }

.mr-nav { flex: 1; padding: 0.75rem 0.65rem 1.5rem; }
.mr-nav ul { list-style: none; margin: 0; padding: 0; }
.mr-nav li { margin-bottom: 0.15rem; }
.mr-nav a {
  display: block; padding: 0.55rem 0.85rem;
  color: var(--mr-sidebar-text); text-decoration: none;
  font-size: 0.88rem; font-weight: 500;
  border-radius: var(--mr-radius);
  transition: background 120ms, color 120ms;
}
.mr-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.mr-nav a[aria-current="page"] {
  background: var(--mr-blue); color: #fff; font-weight: 600;
}
.mr-nav__cta {
  margin-top: 0.75rem; padding-top: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mr-nav__cta a {
  background: rgba(8, 145, 178, 0.22); color: #67e8f9;
  font-weight: 700; text-align: center;
}
.mr-nav__cta a:hover { background: var(--mr-accent); color: #fff; }

.mr-sidebar__foot {
  padding: 1rem 1.25rem;
  font-size: 0.72rem;
  color: #64748b;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.mr-mobhead {
  display: none;
  background: var(--mr-white);
  border-bottom: 1px solid var(--mr-line);
  padding: 0.75rem 1rem;
  position: sticky; top: 0; z-index: 50;
  align-items: center; justify-content: space-between; gap: 0.75rem;
}
.mr-mobhead__logo {
  display: flex; align-items: center; gap: 0.55rem;
  text-decoration: none; color: var(--mr-ink); font-weight: 700; font-size: 0.92rem;
}
.mr-mobhead__logo img { width: 32px; height: 32px; }
.mr-mobtoggle {
  background: var(--mr-ink); color: #fff; border: 0;
  padding: 0.45rem 0.85rem; border-radius: 999px;
  font-weight: 600; font-size: 0.82rem; cursor: pointer;
}

.mr-body { display: flex; flex-direction: column; min-width: 0; }

.mr-topbar {
  background: var(--mr-white);
  border-bottom: 1px solid var(--mr-line);
  padding: 0.5rem 1.5rem;
  font-size: 0.8rem;
  color: var(--mr-muted);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem;
}
.mr-topbar a { color: var(--mr-blue); font-weight: 600; text-decoration: none; }

.mr-main {
  flex: 1;
  width: 100%;
  max-width: var(--mr-max);
  margin: 0 auto;
  padding: 0.35rem 1.75rem 3.75rem;
}

.mr-crumb {
  padding: 1rem 0 0.5rem;
  font-size: 0.82rem;
  color: var(--mr-muted);
}
.mr-crumb a { color: var(--mr-muted); text-decoration: none; }
.mr-crumb a:hover { color: var(--mr-blue); }
.mr-crumb span { color: var(--mr-ink); font-weight: 600; }

.mr-btn {
  display: inline-block; padding: 0.62rem 1.3rem;
  border-radius: 6px; font-weight: 700; font-size: 0.9rem;
  text-decoration: none; border: 2px solid transparent;
  cursor: pointer; font-family: inherit;
  transition: transform 120ms, box-shadow 120ms, background 120ms;
}
.mr-btn--primary {
  background: var(--mr-blue); color: #fff; border-color: var(--mr-blue);
  box-shadow: 0 6px 18px rgba(29, 78, 216, 0.28);
}
.mr-btn--primary:hover { background: var(--mr-blue-dark); color: #fff; transform: translateY(-1px); }
.mr-btn--outline {
  background: transparent; color: var(--mr-ink); border-color: var(--mr-line);
}
.mr-btn--outline:hover { border-color: var(--mr-blue); color: var(--mr-blue); }
.mr-btn--light {
  background: #fff; color: var(--mr-blue); border-color: #fff;
}
.mr-btn--light:hover { background: var(--mr-blue-soft); color: var(--mr-blue-dark); }
.mr-btn--amber {
  background: var(--mr-amber); color: #fff; border-color: var(--mr-amber);
}
.mr-btn--amber:hover { background: #92400e; color: #fff; }

.mr-hero {
  margin: 0 -1.75rem 2.25rem;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  background: linear-gradient(135deg, var(--mr-ink) 0%, #1e293b 55%, var(--mr-blue-dark) 100%);
  border-radius: 0 0 var(--mr-radius-lg) var(--mr-radius-lg);
  overflow: hidden;
  box-shadow: var(--mr-shadow-lg);
}
.mr-hero__copy {
  padding: 3rem 2.25rem 3rem 2.75rem;
  color: #e2e8f0;
  display: flex; flex-direction: column; justify-content: center;
}
.mr-hero__tag {
  display: inline-block; font-family: var(--mr-mono); font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: #fcd34d; margin-bottom: 0.85rem;
}
.mr-hero__title {
  font-size: clamp(1.65rem, 3.2vw, 2.45rem);
  line-height: 1.18; margin: 0 0 1rem; color: #fff; font-weight: 800;
}
.mr-hero__text { margin: 0 0 1.5rem; color: #94a3b8; max-width: 36rem; }
.mr-hero__acts { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.mr-hero__visual {
  display: flex; align-items: flex-end; justify-content: center;
  padding: 1.5rem 1.5rem 0 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(29,78,216,0.3), transparent 60%);
}
.mr-hero__visual img { border-radius: var(--mr-radius-lg) var(--mr-radius-lg) 0 0; }

.mr-pills {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin: -0.5rem 0 1.75rem;
}
.mr-pill {
  font-family: var(--mr-mono); font-size: 0.72rem;
  padding: 0.38rem 0.82rem; border-radius: 999px;
  background: var(--mr-white); border: 1px solid var(--mr-line);
  color: var(--mr-ink-mid);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.mr-grid {
  display: grid;
  gap: 1.15rem;
  margin-bottom: 2.75rem;
}
.mr-grid--2 { grid-template-columns: repeat(2, 1fr); }
.mr-grid--3 { grid-template-columns: repeat(3, 1fr); }
.mr-grid--4 { grid-template-columns: repeat(4, 1fr); }

.mr-card {
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius-lg);
  padding: 1.45rem 1.4rem;
  text-decoration: none;
  color: inherit;
  display: flex; flex-direction: column; gap: 0.55rem;
  min-height: 100%;
  transition: box-shadow 140ms, border-color 140ms, transform 140ms;
}
.mr-card:hover {
  box-shadow: var(--mr-shadow);
  border-color: #bfdbfe;
  transform: translateY(-2px);
  color: inherit;
}
.mr-card__icon { width: 44px; height: 44px; }
.mr-card h3 { margin: 0; font-size: 1.05rem; color: var(--mr-ink); }
.mr-card p { margin: 0; font-size: 0.9rem; color: var(--mr-muted); flex: 1; }
.mr-card__link { font-size: 0.82rem; font-weight: 700; color: var(--mr-blue); }

.mr-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 2.35rem;
  margin-bottom: 2.75rem;
  align-items: start;
}
.mr-aside {
  position: sticky; top: 1.25rem; align-self: start;
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius-lg);
  padding: 0;
  box-shadow: var(--mr-shadow);
  overflow: hidden;
}
.mr-aside__art img { width: 100%; height: auto; }
.mr-aside__body { padding: 1.25rem 1.3rem 1.35rem; }
.mr-aside h2 { margin: 0 0 0.75rem; font-size: 0.95rem; color: var(--mr-ink); }
.mr-aside ul { margin: 0; padding: 0; list-style: none; }
.mr-aside li { margin-bottom: 0.4rem; }
.mr-aside a { font-size: 0.88rem; text-decoration: none; color: var(--mr-ink-mid); }
.mr-aside a:hover { color: var(--mr-blue); }

.mr-section { margin-bottom: 2.5rem; }
.mr-section__head {
  font-size: 1.45rem; margin: 0 0 0.35rem; color: var(--mr-ink);
}
.mr-section__sub { margin: 0 0 1.25rem; color: var(--mr-muted); font-size: 0.95rem; }

.mr-panel {
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius-lg);
  padding: 1.35rem 1.5rem;
  margin-bottom: 0.85rem;
}
.mr-panel h3 { margin: 0 0 0.45rem; font-size: 1rem; }
.mr-panel p { margin: 0; color: var(--mr-muted); font-size: 0.92rem; }
.mr-panel--accent {
  border-left: 4px solid var(--mr-blue);
  background: linear-gradient(90deg, var(--mr-blue-soft), var(--mr-white) 30%);
}
.mr-panel--warn {
  border-left: 4px solid var(--mr-amber);
  background: linear-gradient(90deg, var(--mr-amber-soft), var(--mr-white) 35%);
}

.mr-steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.mr-steps li {
  counter-increment: step;
  padding: 1rem 0 1rem 3rem;
  border-bottom: 1px solid var(--mr-line);
  position: relative;
}
.mr-steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 1rem;
  width: 2rem; height: 2rem;
  background: var(--mr-blue); color: #fff;
  border-radius: 50%; font-weight: 700; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}
.mr-steps li:last-child { border-bottom: 0; }
.mr-steps h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.mr-steps p { margin: 0; color: var(--mr-muted); font-size: 0.92rem; }

.mr-faq { max-width: 48rem; }
.mr-faq details {
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
}
.mr-faq summary {
  padding: 1rem 1.15rem; cursor: pointer;
  font-weight: 600; font-size: 0.95rem;
  list-style: none;
}
.mr-faq summary::-webkit-details-marker { display: none; }
.mr-faq details[open] summary { border-bottom: 1px solid var(--mr-line); color: var(--mr-blue); background: var(--mr-blue-soft); }
.mr-faq__body { padding: 1rem 1.15rem; color: var(--mr-muted); font-size: 0.92rem; }
.mr-faq__body p { margin: 0; }

.mr-table-wrap { overflow-x: auto; margin-bottom: 1.5rem; border-radius: var(--mr-radius-lg); box-shadow: var(--mr-shadow); }
.mr-table {
  width: 100%; border-collapse: collapse;
  background: var(--mr-white);
  font-size: 0.9rem;
}
.mr-table caption {
  text-align: left; font-weight: 700; padding: 0.75rem 1rem;
  font-size: 0.95rem;
}
.mr-table th, .mr-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--mr-line);
  text-align: left;
}
.mr-table th { background: var(--mr-cream); font-weight: 700; }
.mr-table tr:last-child td { border-bottom: 0; }
.mr-table tbody tr:nth-child(even) { background: rgba(239, 246, 255, 0.5); }

.mr-form {
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius-lg);
  padding: 1.5rem;
  max-width: 28rem;
  box-shadow: var(--mr-shadow);
}
.mr-form--wide {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.mr-field { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 0.3rem; color: var(--mr-ink-mid); }
.mr-input, .mr-select, .mr-textarea {
  width: 100%; padding: 0.65rem 0.85rem;
  border: 1px solid var(--mr-line); border-radius: var(--mr-radius);
  font-family: inherit; font-size: 0.95rem;
  margin-bottom: 1rem; background: var(--mr-cream);
}
.mr-input:focus, .mr-select:focus, .mr-textarea:focus {
  outline: 2px solid var(--mr-blue-soft); border-color: var(--mr-blue);
}
.mr-textarea { min-height: 6rem; resize: vertical; }
.mr-alert {
  font-size: 0.88rem; padding: 0.65rem 0.85rem;
  border-radius: var(--mr-radius); margin-bottom: 1rem;
  background: var(--mr-blue-soft); color: var(--mr-blue-dark);
}
.mr-alert--ok { background: #ecfdf5; color: #065f46; }

.mr-pagehead {
  padding: 1.5rem 0 1.35rem;
  border-bottom: 1px solid var(--mr-line);
  margin-bottom: 2rem;
}
.mr-pagehead--split {
  display: grid;
  grid-template-columns: 1fr min(340px, 38%);
  gap: 2rem;
  align-items: center;
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius-lg);
  padding: 1.75rem 2rem;
  box-shadow: var(--mr-shadow);
  border-bottom: 1px solid var(--mr-line);
  margin-bottom: 2rem;
}
.mr-pagehead h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  line-height: 1.2;
}
.mr-pagehead p { margin: 0; color: var(--mr-muted); max-width: 40rem; }
.mr-pagehead__art img { border-radius: var(--mr-radius); box-shadow: var(--mr-shadow); }

.mr-prose h2 { font-size: 1.2rem; margin: 1.75rem 0 0.65rem; }
.mr-prose h3 { font-size: 1.05rem; margin: 1.25rem 0 0.5rem; }
.mr-prose p, .mr-prose li { color: var(--mr-ink-mid); font-size: 0.95rem; }
.mr-prose ul, .mr-prose ol { padding-left: 1.35rem; }
.mr-prose li { margin-bottom: 0.35rem; }

.mr-band {
  background: var(--mr-ink);
  color: #cbd5e1;
  border-radius: var(--mr-radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}
.mr-band h2 { margin: 0 0 0.5rem; color: #fff; font-size: 1.3rem; }
.mr-band p { margin: 0 0 1.25rem; font-size: 0.92rem; }
.mr-band a { color: #93c5fd; }

.mr-footer {
  background: var(--mr-white);
  border-top: 1px solid var(--mr-line);
  padding: 2rem 1.5rem;
  margin-top: auto;
}
.mr-footer__grid {
  max-width: var(--mr-max); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 1.5rem;
}
.mr-footer h2 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 0.65rem; color: var(--mr-muted); }
.mr-footer ul { list-style: none; margin: 0; padding: 0; }
.mr-footer li { margin-bottom: 0.35rem; }
.mr-footer a { font-size: 0.88rem; text-decoration: none; color: var(--mr-ink-mid); }
.mr-footer a:hover { color: var(--mr-blue); }
.mr-footer__brand p { margin: 0; font-size: 0.88rem; color: var(--mr-muted); line-height: 1.55; }
.mr-footer__copy {
  max-width: var(--mr-max); margin: 1.5rem auto 0;
  font-size: 0.78rem; color: var(--mr-muted);
  padding-top: 1rem; border-top: 1px solid var(--mr-line);
}

.mr-notice {
  position: fixed; bottom: 1rem; right: 1rem; left: 1rem;
  max-width: 26rem; margin-left: auto;
  background: var(--mr-ink); color: #cbd5e1;
  padding: 1rem 1.15rem; border-radius: var(--mr-radius-lg);
  box-shadow: var(--mr-shadow-lg); z-index: 200;
  font-size: 0.85rem;
}
.mr-notice p { margin: 0 0 0.75rem; }
.mr-notice a { color: #93c5fd; }
.mr-notice__acts { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.mr-notice .mr-btn--light { font-size: 0.8rem; padding: 0.45rem 0.9rem; }
.mr-notice .mr-btn--outline { color: #fff; border-color: rgba(255,255,255,0.3); font-size: 0.8rem; padding: 0.45rem 0.9rem; }

.mr-infobox {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2.25rem;
  align-items: start; margin-bottom: 2.25rem;
}
.mr-official {
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius-lg);
  padding: 2rem;
  box-shadow: var(--mr-shadow);
  border-top: 4px solid var(--mr-amber);
}
.mr-official h2 { margin: 0 0 0.35rem; font-size: 1.25rem; }
.mr-official > p { margin: 0 0 1rem; color: var(--mr-muted); font-size: 0.9rem; }
.mr-official ul { margin: 0 0 1.25rem; padding-left: 1.25rem; color: var(--mr-ink-mid); font-size: 0.92rem; }
.mr-official li { margin-bottom: 0.4rem; }

.mr-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.mr-strip__item {
  background: var(--mr-white);
  border: 1px solid var(--mr-line);
  border-radius: var(--mr-radius-lg);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}
.mr-strip__item strong {
  display: block;
  font-size: 1.4rem;
  color: var(--mr-blue);
  margin-bottom: 0.25rem;
}
.mr-strip__item span { font-size: 0.82rem; color: var(--mr-muted); }

@media (max-width: 960px) {
  .mr-app { grid-template-columns: 1fr; }
  .mr-sidebar {
    position: fixed; left: -280px; top: 0;
    width: 268px; height: 100vh;
    transition: left 200ms ease;
  }
  .mr-sidebar.mr-sidebar--open { left: 0; }
  .mr-mobhead { display: flex; }
  .mr-hero { grid-template-columns: 1fr; }
  .mr-hero__visual { display: none; }
  .mr-hero__copy { padding: 2rem 1.5rem; }
  .mr-split { grid-template-columns: 1fr; }
  .mr-aside { position: static; }
  .mr-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .mr-grid--3 { grid-template-columns: 1fr; }
  .mr-infobox { grid-template-columns: 1fr; }
  .mr-footer__grid { grid-template-columns: 1fr 1fr; }
  .mr-strip { grid-template-columns: 1fr; }
  .mr-pagehead--split { grid-template-columns: 1fr; padding: 1.5rem; }
  .mr-pagehead__art { order: -1; max-width: 280px; }
  .mr-form--wide { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .mr-grid--4, .mr-grid--2 { grid-template-columns: 1fr; }
  .mr-footer__grid { grid-template-columns: 1fr; }
  .mr-main { padding: 0 1rem 2.5rem; }
  .mr-hero { margin: 0 -1rem 1.75rem; }
}