@font-face {
  font-family: "Rubik Local";
  src: url("fonts/rubik-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  --page: #f7f7f3;
  --surface: #ffffff;
  --surface-soft: #f2faf9;
  --ink: #05131e;
  --muted: #576978;
  --line: #e0e0e0;
  --header: #05131e;
  --accent: #ed8600;
  --accent-strong: #b65e00;
  --link: #075fb8;
  --blue: #5e97ff;
  --focus: #5e97ff;
  --content: 780px;
  font-family: "Rubik Local", Rubik, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

a:focus-visible,
summary:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

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

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--header);
  color: #ffffff;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  text-decoration: none;
}

.site-brand:hover,
.site-header__all:hover {
  color: #ffffff;
}

.site-brand__logo {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
}

.site-brand__text {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.site-brand__product {
  font-size: 18px;
  font-weight: 700;
}

.site-brand__section {
  color: #b9c2c7;
  font-size: 14px;
}

.site-header__all {
  color: #e7ecef;
  font-size: 14px;
  font-weight: 600;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.search-trigger {
  min-height: 34px;
  padding: 4px 12px;
  border: 1px solid #576978;
  border-radius: 5px;
  background: transparent;
  color: #ffffff;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.search-trigger:hover {
  border-color: var(--accent);
  color: #ffffff;
}

.search-dialog {
  width: min(720px, calc(100% - 32px));
  max-height: min(760px, calc(100vh - 40px));
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 24px 80px rgb(5 19 30 / 28%);
}

.search-dialog::backdrop {
  background: rgb(5 19 30 / 72%);
}

.search-dialog__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 24px 18px;
  border-bottom: 1px solid var(--line);
}

.search-dialog__header h2 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.25;
}

.search-dialog__label {
  margin: 0 0 4px;
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.search-dialog__close {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  place-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 1.9rem;
  line-height: 1;
  cursor: pointer;
}

.search-dialog__close:hover {
  color: var(--ink);
}

.search-field {
  display: block;
  padding: 20px 24px 0;
}

.search-field__label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.search-field input {
  width: 100%;
  min-height: 48px;
  padding: 9px 12px;
  border: 1px solid #aab4ba;
  border-radius: 4px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}

.search-status {
  margin: 0;
  padding: 12px 24px;
  color: var(--muted);
  font-size: 0.82rem;
}

.search-results {
  max-height: 470px;
  margin: 0;
  padding: 0 24px 24px;
  overflow-y: auto;
  list-style: none;
}

.search-results li {
  border-top: 1px solid var(--line);
}

.search-results a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 2px;
  color: var(--ink);
  text-decoration: none;
}

.search-results a:hover .search-result__title {
  color: var(--accent-strong);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.search-result__context {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.search-result__title {
  font-size: 1rem;
}

.search-result__snippet {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.reading-progress {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}

.library-main,
.overview-main,
.legal-main {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.legal-main {
  min-height: calc(100vh - 90px);
}

.legal-article {
  width: 100%;
  max-width: var(--content);
  padding: 48px 0 96px;
}

.legal-article h1 {
  margin: 0 0 32px;
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0;
}

.legal-article p:not([class]) {
  color: var(--muted);
  font-size: 1.05rem;
}

.site-footer {
  display: flex;
  min-height: 30px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 5px max(24px, calc((100vw - 1180px) / 2));
  border-top: 1px solid #243541;
  background: var(--header);
  color: #b9c2c7;
  font-size: 0.72rem;
  line-height: 1.4;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.site-footer a {
  color: #e7ecef;
}

.site-footer a:hover {
  color: #ffffff;
}

.library-heading {
  max-width: 720px;
  padding: 72px 0 48px;
}

.library-heading h1,
.manual-overview h1,
.manual-article h1 {
  margin: 0;
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0;
}

.library-heading > p:last-child,
.manual-overview__summary {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.65;
}

.chapter-label,
.manual-card__type,
.section-heading__label {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.manual-library {
  padding-bottom: 72px;
  border-top: 1px solid var(--line);
}

.manual-group {
  padding: 10px 0 56px;
}

.manual-group__heading {
  max-width: 720px;
  padding: 48px 0 30px;
}

.manual-group__heading h2 {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 400;
  line-height: 1.25;
}

.manual-group__heading > p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
}

.manual-group .manual-library {
  padding-bottom: 0;
}

.manual-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 48px;
  align-items: center;
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.manual-card h2 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.3;
}

.manual-card h2 a {
  color: var(--ink);
  text-decoration: none;
}

.manual-card h2 a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

.manual-card__body > p:not([class]) {
  max-width: 650px;
  color: var(--muted);
}

.manual-card__meta {
  margin: 20px 0 0;
  color: var(--link);
  font-size: 0.88rem;
  font-weight: 700;
}

.manual-card__visual {
  display: block;
  overflow: hidden;
  border: 1px solid #2f3438;
  border-radius: 6px;
  background: #24272a;
}

.manual-card__visual img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  object-position: center;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.breadcrumbs a {
  color: var(--muted);
}

.manual-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  gap: 64px;
  align-items: center;
  min-height: 480px;
  padding: 40px 0 72px;
}

.manual-overview__intro {
  max-width: 680px;
}

.manual-overview__image {
  width: 100%;
  max-height: 340px;
  border: 1px solid #33383c;
  border-radius: 6px;
  object-fit: cover;
  object-position: top left;
}

.primary-action {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 28px;
  padding: 8px 18px;
  border-radius: 5px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.primary-action:hover {
  background: var(--accent-strong);
  color: #ffffff;
}

.contents-section {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 48px;
  padding: 56px 0 80px;
  border-top: 1px solid var(--line);
}

.section-heading h2 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 400;
}

.contents-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contents-list li {
  border-top: 1px solid var(--line);
}

.contents-list li:nth-child(-n + 2) {
  border-top: 0;
}

.contents-list a {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  color: var(--ink);
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none;
}

.contents-list a:hover {
  color: var(--accent-strong);
}

.contents-list a span {
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
}

.manual-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: calc(100vh - 60px);
}

.manual-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  padding: 28px 22px 40px;
  border-right: 1px solid var(--line);
  background: #f2faf9;
}

.manual-sidebar__title {
  display: block;
  margin: 0 8px 20px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
}

.chapter-nav {
  margin: 0;
  padding: 0;
  list-style: none;
}

.chapter-nav a {
  display: block;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  color: #485159;
  font-size: 0.88rem;
  line-height: 1.35;
  text-decoration: none;
}

.chapter-nav a:hover {
  color: var(--accent-strong);
}

.chapter-nav a.is-current {
  border-left-color: var(--accent);
  background: #ffffff;
  color: var(--ink);
  font-weight: 750;
}

.manual-main {
  min-width: 0;
  padding: 0 max(28px, calc((100vw - 280px - var(--content)) / 2));
}

.manual-article {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: 46px 0 64px;
}

.manual-article h1 {
  margin-bottom: 34px;
}

.manual-article h2,
.manual-article h3 {
  scroll-margin-top: 24px;
  color: var(--ink);
  line-height: 1.25;
  font-weight: 400;
}

.manual-article h2 {
  margin: 56px 0 18px;
  font-size: 1.65rem;
}

.manual-article h3 {
  margin: 38px 0 14px;
  font-size: 1.25rem;
}

.manual-article p,
.manual-article li {
  max-width: 72ch;
}

.manual-article ul,
.manual-article ol {
  padding-left: 1.5rem;
}

.manual-article li + li {
  margin-top: 7px;
}

.manual-figure {
  margin: 30px 0 38px;
}

.manual-figure img,
.media-grid img {
  width: auto;
  max-width: 100%;
  border: 1px solid #303438;
  border-radius: 5px;
  background: #202225;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 26px;
  align-items: start;
  margin: 30px 0 38px;
}

.media-grid__item > :first-child {
  margin-top: 0;
}

.media-grid__item > :last-child {
  margin-bottom: 0;
}

.table-scroll {
  max-width: 100%;
  margin: 30px 0 38px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.5;
}

th,
td {
  min-width: 150px;
  padding: 13px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #e4eef1;
  color: var(--ink);
  font-weight: 750;
}

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

.format-table th[scope="row"] {
  width: 9rem;
  min-width: 9rem;
  background: var(--surface-soft);
  color: var(--ink);
  font-family: "Rubik", sans-serif;
  font-size: 0.86rem;
  letter-spacing: 0;
  white-space: nowrap;
}

.format-table td {
  width: auto;
}

th:last-child,
td:last-child {
  border-right: 0;
}

.shortcut-table th:nth-child(1),
.shortcut-table th:nth-child(2),
.shortcut-table td:nth-child(1),
.shortcut-table td:nth-child(2) {
  width: 24%;
  white-space: nowrap;
}

.shortcut-table th:nth-child(3),
.shortcut-table td:nth-child(3) {
  width: 52%;
}

.shortcut-table__note td {
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: normal;
}

.legal-note {
  color: var(--muted);
  font-size: 0.82rem;
}

.underlined {
  text-decoration: underline;
}

.on-this-page {
  margin: 30px 0 40px;
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
  background: var(--surface-soft);
}

.on-this-page h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.on-this-page ol {
  margin: 0;
  padding-left: 1.2rem;
}

.on-this-page li + li {
  margin-top: 3px;
}

.mobile-contents {
  display: none;
}

.page-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  width: 100%;
  max-width: var(--content);
  margin: 0 auto 80px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.page-step {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 94px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
}

.page-step:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.page-step span {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.page-step--next {
  align-items: flex-end;
  text-align: right;
}

@media (max-width: 900px) {
  .site-header {
    padding: 0 18px;
  }

  .library-main,
  .overview-main {
    width: min(100% - 32px, 720px);
  }

  .manual-card,
  .manual-overview,
  .contents-section {
    grid-template-columns: 1fr;
  }

  .manual-overview {
    gap: 36px;
    min-height: 0;
    padding-top: 24px;
  }

  .contents-section {
    gap: 24px;
  }

  .manual-sidebar {
    display: none;
  }

  .manual-shell {
    display: block;
  }

  .manual-main {
    width: min(100% - 32px, var(--content));
    margin: 0 auto;
    padding: 0;
  }

  .mobile-contents {
    display: block;
    margin: 6px 0 14px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--surface);
  }

  .mobile-contents summary {
    padding: 10px 14px;
    cursor: pointer;
    font-weight: 750;
  }

  .mobile-contents .chapter-nav {
    padding: 0 8px 12px;
  }
}

@media (max-width: 620px) {
  body {
    line-height: 1.65;
  }

  .site-brand__section {
    display: none;
  }

  .site-brand__logo {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }

  .site-header__actions {
    gap: 12px;
  }

  .search-trigger {
    padding-inline: 10px;
  }

  .search-dialog__header,
  .search-field {
    padding-inline: 18px;
  }

  .search-status {
    padding-inline: 18px;
  }

  .search-results {
    padding-inline: 18px;
  }

  .library-heading {
    padding: 48px 0 36px;
  }

  .library-heading h1,
  .manual-overview h1,
  .manual-article h1,
  .legal-article h1 {
    font-size: 2rem;
  }

  .site-footer {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding-block: 8px;
  }

  .manual-card {
    gap: 24px;
    padding: 34px 0;
  }

  .contents-list {
    grid-template-columns: 1fr;
  }

  .contents-list li:nth-child(2) {
    border-top: 1px solid var(--line);
  }

  .manual-article {
    padding-top: 30px;
  }

  .manual-article h2 {
    margin-top: 44px;
    font-size: 1.45rem;
  }

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

  .page-steps {
    grid-template-columns: 1fr;
  }

  .page-step--next {
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 360px) {
  .site-header__all {
    display: none;
  }
}

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

@media print {
  .site-header,
  .reading-progress,
  .manual-sidebar,
  .mobile-contents,
  .page-steps,
  .breadcrumbs {
    display: none;
  }

  body,
  .manual-main {
    background: #ffffff;
  }

  .manual-shell {
    display: block;
  }

  .manual-main,
  .manual-article {
    max-width: none;
    padding: 0;
  }
}