:root {
  --paper: #f7f3eb;
  --paper-soft: #fbf9f4;
  --paper-deep: #ede6da;
  --white: #fffefa;
  --ink: #1c1a17;
  --ink-soft: #3d3934;
  --muted: #6d675f;
  --line: #d8d0c4;
  --line-strong: #bdb3a5;
  --accent: #bd654d;
  --accent-dark: #934633;
  --accent-soft: #ead4ca;
  --dark: #1d1c19;
  --dark-soft: #2a2824;
  --dark-line: #48443d;
  --green: #31705a;
  --blue-gray: #4d6273;
  --danger: #a8453b;
  --display-font: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP",
    "Times New Roman", serif;
  --body-font: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", Meiryo, sans-serif;
  --container: 1240px;
  --header-height: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body-font);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0.02em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

main {
  overflow: clip;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

::selection {
  color: var(--white);
  background: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 72px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  transition:
    border-color 180ms ease,
    background-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: color-mix(in srgb, var(--paper-soft) 96%, transparent);
  backdrop-filter: blur(12px);
}

.scroll-progress {
  position: absolute;
  inset: auto auto -1px 0;
  width: 0;
  height: 2px;
  background: var(--accent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: fit-content;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 8px);
  grid-template-rows: repeat(2, 8px);
  gap: 3px;
  width: 19px;
  height: 19px;
}

.brand-mark span {
  background: var(--ink);
}

.brand-mark span:first-child,
.brand-mark span:last-child {
  background: var(--accent);
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 32px);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.global-nav > a:not(.nav-cta) {
  position: relative;
  color: var(--ink-soft);
  transition: color 160ms ease;
}

.global-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.global-nav > a:hover,
.global-nav > a.is-active {
  color: var(--accent-dark);
}

.global-nav > a:hover::after,
.global-nav > a.is-active::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  transition:
    color 160ms ease,
    background-color 160ms ease;
}

.nav-cta:hover {
  color: var(--white);
  background: var(--ink);
}

.nav-cta svg {
  width: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 23px;
  height: 1px;
  margin: 6px auto;
  background: var(--ink);
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 52px;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button svg,
.cta-link svg,
.console-figure figcaption a svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.button-primary {
  color: var(--white);
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-secondary {
  border-color: var(--line-strong);
  background: transparent;
}

.button-secondary:hover {
  border-color: var(--ink);
  background: var(--paper-soft);
}

.hero {
  padding: calc(var(--header-height) + 88px) 0 92px;
  border-bottom: 1px solid var(--line);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(390px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-overline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero-overline span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.hero-overline span + span::before {
  width: 24px;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.hero h1 {
  max-width: 650px;
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(48px, 4.45vw, 64px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.055em;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-lead {
  max-width: 620px;
  margin: 31px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 48px 0 0;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-facts div {
  padding: 0 17px;
  border-left: 1px solid var(--line);
}

.hero-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.5;
}

.hero-facts dd {
  margin: 0;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.55;
}

.hero-figure {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 24px 58px rgb(58 47 35 / 10%);
}

.hero-figure::before {
  position: absolute;
  inset: 24px -20px -20px 24px;
  z-index: -1;
  border: 1px solid var(--line);
  content: "";
}

.figure-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 37px;
  padding: 0 5px 8px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.figure-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.figure-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.hero-figure img {
  width: 100%;
  height: auto;
  border: 1px solid #e6e8eb;
  object-fit: contain;
}

.hero-figure figcaption {
  padding: 10px 5px 2px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.evidence-index {
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.evidence-grid > div {
  display: grid;
  min-height: 122px;
  padding: 23px 24px;
  border-left: 1px solid var(--line);
}

.evidence-grid > div:last-child {
  border-right: 1px solid var(--line);
}

.evidence-grid span {
  align-self: start;
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 12px;
  font-weight: 700;
}

.evidence-grid strong {
  align-self: end;
  font-family: var(--display-font);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.evidence-grid small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.5;
}

.section {
  padding: 132px 0;
}

.section-index {
  margin: 0;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: 0.08em;
}

.editorial-heading {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  margin-bottom: 72px;
}

.editorial-heading > div {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(300px, 0.75fr);
  gap: clamp(48px, 8vw, 118px);
  align-items: end;
}

.editorial-heading h2,
.console-heading h2,
.faq-heading h2,
.final-cta h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(35px, 3.45vw, 46px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.045em;
}

.editorial-heading > div > p,
.console-heading > p,
.faq-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 2.05;
}

.feature-ledger {
  border-top: 1px solid var(--ink);
}

.feature-row {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(240px, 0.7fr) minmax(360px, 1.3fr) 74px;
  gap: 32px;
  align-items: start;
  min-height: 154px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.feature-number {
  padding-top: 3px;
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.feature-row h3 {
  margin: 0;
  font-family: var(--display-font);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.feature-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 2;
}

.feature-row > small {
  justify-self: end;
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.architecture-section {
  position: relative;
  color: #f5f0e7;
  background: var(--dark);
}

.editorial-heading-dark .section-index {
  color: #df8a70;
}

.editorial-heading-dark > div > p {
  color: #bdb6ac;
}

.system-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
  list-style: none;
}

.system-flow > li {
  position: relative;
  min-height: 415px;
  padding: 31px 29px 35px;
  border-left: 1px solid var(--dark-line);
}

.system-flow > li:last-child {
  border-right: 1px solid var(--dark-line);
}

.system-flow > li:not(:last-child)::after {
  position: absolute;
  top: 54px;
  right: -8px;
  z-index: 2;
  width: 15px;
  height: 15px;
  border-top: 1px solid #8b8378;
  border-right: 1px solid #8b8378;
  background: var(--dark);
  content: "";
  transform: rotate(45deg);
}

.system-number {
  display: block;
  margin-bottom: 56px;
  color: #df8a70;
  font-family: var(--display-font);
  font-size: 14px;
  font-weight: 700;
}

.system-flow small {
  color: #a9a298;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.system-flow h3 {
  min-height: 68px;
  margin: 10px 0 29px;
  font-family: var(--display-font);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.45;
}

.system-flow ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  color: #c7c0b6;
  font-size: 12px;
  line-height: 1.65;
  list-style: none;
}

.system-flow ul li {
  position: relative;
  padding-left: 16px;
}

.system-flow ul li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 1px;
  background: #837b70;
  content: "";
}

.architecture-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 42px;
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}

.architecture-notes > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  padding: 29px 30px;
}

.architecture-notes > div + div {
  border-left: 1px solid var(--dark-line);
}

.architecture-notes span {
  color: #df8a70;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.architecture-notes p {
  margin: 0;
  color: #c2bbb1;
  font-size: 12px;
  line-height: 2;
}

.console-section {
  background: var(--paper-soft);
}

.console-heading {
  display: grid;
  grid-template-columns: 200px minmax(360px, 0.9fr) minmax(300px, 0.7fr);
  gap: clamp(36px, 6vw, 84px);
  align-items: end;
  margin-bottom: 58px;
}

.console-figure {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 28px 68px rgb(58 47 35 / 9%);
}

.console-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 5px 15px;
}

.console-caption > div {
  display: flex;
  align-items: center;
  gap: 14px;
}

.console-caption span {
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 12px;
  font-weight: 700;
}

.console-caption strong {
  font-family: var(--display-font);
  font-size: 17px;
  font-weight: 700;
}

.console-caption p {
  margin: 0;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.console-image {
  overflow: hidden;
  border: 1px solid #e2e4e8;
  background: #f4f6f8;
}

.console-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.console-figure figcaption {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 60px;
  padding: 8px 5px 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.console-figure figcaption > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.console-figure figcaption > span::before {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.console-figure figcaption a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  color: var(--accent-dark);
  font-size: 11px;
}

.operation-section {
  background: var(--paper);
}

.response-lead {
  display: grid;
  grid-template-columns: minmax(310px, 0.75fr) minmax(420px, 1.25fr);
  align-items: stretch;
  margin-bottom: 62px;
  border: 1px solid var(--accent);
}

.response-target {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 225px;
  padding: 34px 46px;
  color: var(--white);
  background: var(--accent);
}

.response-target span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.response-target strong {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 13px;
  font-family: var(--display-font);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.response-target em {
  font-size: 78px;
  font-style: normal;
  font-weight: 500;
  letter-spacing: -0.06em;
}

.response-lead > p {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 42px 56px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 2.15;
}

.incident-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.incident-flow li {
  min-height: 288px;
  padding: 27px 24px 30px;
  border-left: 1px solid var(--line);
}

.incident-flow li:last-child {
  border-right: 1px solid var(--line);
}

.incident-flow li > span {
  display: block;
  margin-bottom: 44px;
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 14px;
  font-weight: 700;
}

.incident-flow small {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.incident-flow h3 {
  min-height: 55px;
  margin: 7px 0 14px;
  font-family: var(--display-font);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
}

.incident-flow p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.85;
}

.trigger-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 42px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trigger-block > div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 0 22px;
  padding: 28px 30px;
}

.trigger-block > div + div {
  border-left: 1px solid var(--line);
}

.trigger-block span {
  grid-row: 1 / 3;
  color: var(--accent-dark);
  font-family: var(--display-font);
  font-size: 12px;
  font-weight: 700;
}

.trigger-block h3 {
  margin: 0 0 8px;
  font-family: var(--display-font);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
}

.trigger-block p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.85;
}

.operation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 28px;
  margin-top: 72px;
}

.maintenance-panel,
.severity-panel {
  padding: 38px 40px 42px;
  border-top: 2px solid var(--ink);
  background: var(--paper-deep);
}

.subsection-label {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: 0.09em;
}

.maintenance-panel > h3,
.severity-panel > h3 {
  margin: 0 0 31px;
  font-family: var(--display-font);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
}

.maintenance-panel ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.maintenance-panel li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.maintenance-panel li > span {
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 14px;
  font-weight: 700;
}

.maintenance-panel li p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.85;
}

.maintenance-panel li strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-size: 12px;
}

.severity-panel dl {
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.severity-panel dl > div {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 18px;
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid var(--line);
}

.severity-panel dt {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 27px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}

.severity-panel dl > div:nth-child(3) dt,
.severity-panel dl > div:nth-child(4) dt {
  color: var(--white);
  border-color: var(--accent);
  background: var(--accent);
}

.severity-panel dd {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.75;
}

.operation-note {
  margin: 28px 0 0;
  padding: 18px 22px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  background: var(--paper-soft);
  font-size: 11px;
  line-height: 1.9;
}

.operation-note strong {
  color: var(--ink);
}

.scope-section {
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
}

.scope-table {
  border-top: 1px solid var(--ink);
}

.scope-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(400px, 1.45fr) minmax(140px, 0.45fr);
  align-items: center;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.scope-row > span {
  padding: 20px 24px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.scope-row > span + span {
  border-left: 1px solid var(--line);
}

.scope-row > span:first-child {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
}

.scope-row > span:last-child {
  text-align: center;
}

.scope-row b {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  justify-content: center;
  padding: 2px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
}

.scope-row-head {
  min-height: 44px;
  background: var(--paper-deep);
}

.scope-row-head > span {
  color: var(--muted) !important;
  font-size: 9px;
  font-weight: 800 !important;
  letter-spacing: 0.08em;
}

.scope-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
}

.scope-dot-current {
  background: var(--accent);
}

.scope-dot-operation {
  background: var(--green);
}

.scope-dot-option {
  background: var(--blue-gray);
}

.scope-dot-out {
  background: var(--danger);
}

.control-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 72px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.control-list article {
  min-height: 220px;
  padding: 29px 27px;
  border-left: 1px solid var(--line);
}

.control-list article:last-child {
  border-right: 1px solid var(--line);
}

.control-list span {
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 700;
}

.control-list h3 {
  margin: 39px 0 13px;
  font-family: var(--display-font);
  font-size: 20px;
  font-weight: 700;
}

.control-list p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.85;
}

.faq-section {
  background: var(--paper-deep);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(520px, 1.3fr);
  gap: clamp(70px, 10vw, 150px);
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: calc(var(--header-height) + 42px);
}

.faq-heading h2 {
  margin-top: 22px;
}

.faq-heading > p:last-child {
  margin-top: 24px;
}

.faq-list {
  border-top: 1px solid var(--ink);
}

.faq-list details {
  border-bottom: 1px solid var(--line-strong);
}

.faq-list summary {
  display: grid;
  grid-template-columns: 48px 1fr 22px;
  gap: 20px;
  align-items: center;
  min-height: 94px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary > span {
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 700;
}

.faq-list summary strong {
  font-family: var(--display-font);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
}

.faq-list summary i {
  position: relative;
  width: 18px;
  height: 18px;
}

.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 8px;
  left: 2px;
  width: 14px;
  height: 1px;
  background: var(--ink);
  content: "";
  transition: transform 160ms ease;
}

.faq-list summary i::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary i::after {
  transform: rotate(0);
}

.faq-list details > p {
  margin: -4px 40px 32px 68px;
  color: var(--muted);
  font-size: 12px;
  line-height: 2;
}

.final-cta {
  padding: 94px 0;
  color: var(--white);
  background: var(--accent);
}

.cta-layout {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(360px, 0.8fr);
  gap: clamp(72px, 10vw, 150px);
  align-items: end;
}

.cta-layout > div:first-child > p {
  margin: 0 0 20px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.final-cta h2 {
  font-size: clamp(34px, 3.8vw, 50px);
}

.cta-layout > div:last-child > p {
  margin: 0;
  color: #f6e8e2;
  font-size: 13px;
  line-height: 2;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 30px;
}

.button-light {
  color: var(--accent-dark);
  background: var(--white);
}

.button-light:hover {
  background: #f2e9df;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgb(255 255 255 / 65%);
  font-size: 12px;
  font-weight: 800;
}

.site-footer {
  padding: 60px 0 28px;
  color: #d6cfc5;
  background: var(--dark);
}

.footer-main {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 45px;
  border-bottom: 1px solid var(--dark-line);
}

.brand-footer {
  color: var(--white);
}

.brand-footer .brand-mark span {
  background: #e7e0d7;
}

.brand-footer .brand-mark span:first-child,
.brand-footer .brand-mark span:last-child {
  background: #df8a70;
}

.footer-main > div:first-child > p {
  margin: 15px 0 0;
  color: #8f887f;
  font-size: 10px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 26px;
  color: #a9a298;
  font-size: 10px;
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 25px;
  color: #777168;
  font-size: 9px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 620ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .container {
    width: min(calc(100% - 56px), var(--container));
  }

  .global-nav {
    gap: 18px;
  }

  .hero-layout {
    grid-template-columns: minmax(330px, 0.75fr) minmax(0, 1.25fr);
    gap: 46px;
  }

  .hero h1 {
    font-size: clamp(46px, 5vw, 62px);
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-facts div {
    display: grid;
    grid-template-columns: 95px 1fr;
    gap: 12px;
    padding: 8px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hero-facts div:first-child {
    border-top: 0;
  }

  .hero-facts dt {
    margin: 0;
  }

  .editorial-heading {
    grid-template-columns: 180px 1fr;
  }

  .editorial-heading > div {
    gap: 54px;
  }

  .feature-row {
    grid-template-columns: 50px minmax(210px, 0.7fr) minmax(300px, 1.3fr) 70px;
    gap: 24px;
  }

  .system-flow > li {
    padding-inline: 23px;
  }

  .incident-flow li {
    padding-inline: 18px;
  }

  .incident-flow h3 {
    font-size: 17px;
  }
}

@media (max-width: 960px) {
  :root {
    --header-height: 66px;
  }

  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .menu-button {
    display: block;
  }

  .global-nav {
    position: fixed;
    inset: var(--header-height) 0 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 26px 24px 40px;
    overflow-y: auto;
    border-top: 1px solid var(--line);
    background: var(--paper-soft);
  }

  .global-nav.is-open {
    display: flex;
  }

  .global-nav > a:not(.nav-cta) {
    display: flex;
    align-items: center;
    min-height: 62px;
    border-bottom: 1px solid var(--line);
    font-family: var(--display-font);
    font-size: 17px;
  }

  .global-nav > a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    justify-content: space-between;
    min-height: 52px;
    margin-top: 24px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 72px);
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 62px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-facts div {
    display: block;
    padding: 0 16px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .hero-facts div:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .evidence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .evidence-grid > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .evidence-grid > div:nth-child(5) {
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .section {
    padding: 106px 0;
  }

  .editorial-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .editorial-heading > div {
    grid-template-columns: minmax(330px, 1fr) minmax(280px, 0.8fr);
    gap: 44px;
  }

  .feature-row {
    grid-template-columns: 48px minmax(210px, 0.8fr) minmax(260px, 1.2fr) 64px;
    gap: 20px;
  }

  .system-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .system-flow > li:nth-child(3),
  .system-flow > li:nth-child(4) {
    border-top: 1px solid var(--dark-line);
  }

  .system-flow > li:nth-child(2) {
    border-right: 1px solid var(--dark-line);
  }

  .system-flow > li:nth-child(2)::after {
    display: none;
  }

  .system-flow > li {
    min-height: 360px;
  }

  .system-number {
    margin-bottom: 42px;
  }

  .architecture-notes {
    grid-template-columns: 1fr;
  }

  .architecture-notes > div + div {
    border-top: 1px solid var(--dark-line);
    border-left: 0;
  }

  .console-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
  }

  .console-heading > p {
    max-width: 650px;
  }

  .console-figure figcaption {
    flex-wrap: wrap;
  }

  .console-figure figcaption a {
    width: 100%;
    margin-left: 0;
  }

  .response-lead {
    grid-template-columns: minmax(280px, 0.8fr) minmax(360px, 1.2fr);
  }

  .response-target {
    padding-inline: 32px;
  }

  .response-lead > p {
    padding-inline: 38px;
  }

  .incident-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .incident-flow li:nth-child(4),
  .incident-flow li:nth-child(5) {
    border-top: 1px solid var(--line);
  }

  .incident-flow li:nth-child(3) {
    border-right: 1px solid var(--line);
  }

  .operation-grid {
    grid-template-columns: 1fr;
  }

  .scope-row {
    grid-template-columns: minmax(160px, 0.55fr) minmax(330px, 1.45fr) minmax(120px, 0.45fr);
  }

  .control-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-list article:nth-child(3),
  .control-list article:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .control-list article:nth-child(2) {
    border-right: 1px solid var(--line);
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .faq-heading {
    position: static;
    max-width: 520px;
  }

  .cta-layout {
    grid-template-columns: 1fr;
    gap: 42px;
    align-items: start;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .brand-name {
    font-size: 18px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 56px);
    padding-bottom: 70px;
  }

  .hero-overline {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 24px;
  }

  .hero-overline span + span::before {
    width: 14px;
  }

  .hero h1 {
    font-size: clamp(38px, 11.6vw, 46px);
    line-height: 1.3;
  }

  .hero-lead {
    margin-top: 24px;
    font-size: 14px;
    line-height: 1.95;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 31px;
  }

  .button {
    width: 100%;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 38px;
  }

  .hero-facts div {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 12px;
    padding: 9px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hero-facts div:first-child {
    border-top: 0;
  }

  .hero-figure {
    padding: 7px;
    border-radius: 6px;
  }

  .hero-figure::before {
    inset: 14px -10px -10px 14px;
  }

  .figure-meta {
    min-height: 32px;
  }

  .hero-figure figcaption {
    font-size: 9px;
  }

  .evidence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .evidence-grid > div {
    min-height: 112px;
    padding: 18px;
    border-top: 1px solid var(--line);
  }

  .evidence-grid > div:nth-child(1),
  .evidence-grid > div:nth-child(2) {
    border-top: 0;
  }

  .evidence-grid > div:nth-child(2),
  .evidence-grid > div:nth-child(4) {
    border-right: 1px solid var(--line);
  }

  .evidence-grid > div:nth-child(5) {
    border-right: 0;
  }

  .evidence-grid strong {
    font-size: 16px;
  }

  .section {
    padding: 84px 0;
  }

  .editorial-heading,
  .console-heading {
    margin-bottom: 50px;
  }

  .editorial-heading > div {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .editorial-heading h2,
  .console-heading h2,
  .faq-heading h2,
  .final-cta h2 {
    font-size: clamp(30px, 8.8vw, 40px);
    line-height: 1.42;
  }

  .editorial-heading > div > p,
  .console-heading > p,
  .faq-heading > p {
    font-size: 12px;
    line-height: 2;
  }

  .feature-row {
    grid-template-columns: 38px 1fr;
    gap: 5px 16px;
    min-height: 0;
    padding: 27px 0;
  }

  .feature-row h3 {
    padding-right: 60px;
    font-size: 20px;
  }

  .feature-row p {
    grid-column: 2;
    margin-top: 10px;
    font-size: 11px;
    line-height: 1.9;
  }

  .feature-row > small {
    position: absolute;
    top: 30px;
    right: 0;
  }

  .system-flow {
    grid-template-columns: 1fr;
  }

  .system-flow > li {
    min-height: 0;
    padding: 27px 24px 31px;
    border-right: 1px solid var(--dark-line);
    border-bottom: 1px solid var(--dark-line);
  }

  .system-flow > li:last-child {
    border-bottom: 0;
  }

  .system-flow > li:nth-child(2),
  .system-flow > li:nth-child(3),
  .system-flow > li:nth-child(4) {
    border-top: 0;
  }

  .system-flow > li::after {
    display: none;
  }

  .system-number {
    margin-bottom: 28px;
  }

  .system-flow h3 {
    min-height: 0;
    margin-bottom: 21px;
    font-size: 22px;
  }

  .architecture-notes > div {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 24px 22px;
  }

  .console-figure {
    padding: 8px;
    border-radius: 6px;
  }

  .console-caption {
    align-items: flex-start;
    padding: 6px 3px 11px;
  }

  .console-caption > div {
    display: grid;
    gap: 0;
  }

  .console-caption strong {
    font-size: 14px;
  }

  .console-caption p {
    font-size: 8px;
  }

  .console-image {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .console-image img {
    width: 760px;
    max-width: none;
  }

  .console-figure figcaption {
    display: grid;
    gap: 7px;
    padding: 14px 3px 6px;
  }

  .response-lead {
    grid-template-columns: 1fr;
    margin-bottom: 48px;
  }

  .response-target {
    min-height: 178px;
    padding: 27px 28px;
  }

  .response-target em {
    font-size: 66px;
  }

  .response-lead > p {
    padding: 28px;
    font-size: 12px;
    line-height: 2;
  }

  .incident-flow {
    grid-template-columns: 1fr;
  }

  .incident-flow li {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 3px 16px;
    min-height: 0;
    padding: 25px 22px;
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .incident-flow li:first-child {
    border-top: 0;
  }

  .incident-flow li > span {
    grid-row: 1 / 4;
    margin: 0;
  }

  .incident-flow h3 {
    min-height: 0;
    margin: 3px 0 7px;
  }

  .trigger-block {
    grid-template-columns: 1fr;
  }

  .trigger-block > div {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 24px 0;
  }

  .trigger-block > div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .trigger-block span {
    grid-row: auto;
  }

  .operation-grid {
    margin-top: 54px;
  }

  .maintenance-panel,
  .severity-panel {
    padding: 30px 24px 32px;
  }

  .maintenance-panel > h3,
  .severity-panel > h3 {
    font-size: 21px;
  }

  .scope-row-head {
    display: none;
  }

  .scope-row {
    grid-template-columns: 1fr auto;
    min-height: 0;
    padding: 20px 0;
  }

  .scope-row > span {
    padding: 0;
    font-size: 11px;
  }

  .scope-row > span + span {
    border-left: 0;
  }

  .scope-row > span:nth-child(2) {
    grid-row: 2;
    grid-column: 1 / -1;
    margin-top: 12px;
    padding-left: 20px;
  }

  .scope-row > span:last-child {
    grid-row: 1;
    grid-column: 2;
    margin-left: 18px;
  }

  .control-list {
    grid-template-columns: 1fr;
    margin-top: 54px;
  }

  .control-list article {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 5px 14px;
    min-height: 0;
    padding: 24px 0;
    border-right: 0 !important;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .control-list article:last-child {
    border-bottom: 0;
  }

  .control-list h3 {
    margin: 0;
  }

  .control-list p {
    grid-column: 2;
  }

  .faq-layout {
    gap: 44px;
  }

  .faq-list summary {
    grid-template-columns: 34px 1fr 18px;
    gap: 12px;
    min-height: 86px;
  }

  .faq-list summary strong {
    font-size: 16px;
  }

  .faq-list details > p {
    margin: -2px 28px 28px 46px;
    font-size: 11px;
  }

  .final-cta {
    padding: 76px 0;
  }

  .cta-actions {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .footer-main {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
    gap: 16px 22px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .final-cta,
  .site-footer {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  .section,
  .hero {
    padding-block: 40px;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}