:root {
  --paper: #f6f7f4;
  --white: #ffffff;
  --ink: #202428;
  --muted: #66706f;
  --line: #d7dcd6;
  --steel: #355470;
  --steel-dark: #243948;
  --rust: #b64636;
  --green: #498064;
  --gold: #d59d4b;
  --panel: #eef1ed;
  --shadow: 0 18px 45px rgba(30, 35, 34, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    "Malgun Gothic",
    system-ui,
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  word-break: keep-all;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

:focus-visible {
  outline: 3px solid rgba(181, 70, 54, 0.34);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 78px;
  padding: 14px 6vw;
  background: rgba(246, 247, 244, 0.94);
  border-bottom: 1px solid rgba(32, 36, 40, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 260px;
}

.brand-logo {
  width: min(250px, 42vw);
  height: auto;
  max-height: 54px;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  line-height: 1.25;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.25;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  min-height: 42px;
  padding: 9px 13px;
  border-radius: 8px;
  color: #3d4446;
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a.active {
  background: #e8ece7;
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 56px;
  min-height: 690px;
  padding: 112px 6vw 44px;
  overflow: hidden;
  background: var(--paper);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(246, 247, 244, 0.95), rgba(246, 247, 244, 0.78) 42%, rgba(246, 247, 244, 0.14) 72%),
    linear-gradient(180deg, rgba(246, 247, 244, 0.14), rgba(246, 247, 244, 0.86));
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  width: min(650px, 100%);
}

.hero-news {
  min-height: 720px;
}

.hero-news::after {
  background:
    linear-gradient(90deg, rgba(24, 30, 34, 0.86), rgba(24, 30, 34, 0.66) 43%, rgba(24, 30, 34, 0.16) 74%),
    linear-gradient(180deg, rgba(24, 30, 34, 0.1), rgba(24, 30, 34, 0.72));
}

.hero-news .hero-image {
  object-position: center 42%;
}

.hero-news .hero-content {
  width: min(780px, 100%);
}

.hero-news .eyebrow {
  color: #f0bf75;
}

.hero-news h1 {
  max-width: 18ch;
  color: var(--white);
  font-size: 3.3rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.26);
}

.hero-news .hero-lead {
  max-width: 720px;
  color: #edf3f1;
  font-size: 1.1rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.28);
}

.hero-news .button-secondary {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--white);
}

.hero-news .button-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--rust);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.35;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  max-width: 13ch;
  font-size: 3.8rem;
  font-weight: 900;
}

h2 {
  font-size: 2.35rem;
  font-weight: 900;
}

h3 {
  font-size: 1.18rem;
  font-weight: 900;
}

.hero-lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: #3f4848;
  font-size: 1.14rem;
  font-weight: 700;
}

.hero-actions,
.filter-bar,
.principle-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
}

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

.button-primary:hover {
  background: #9e3c2f;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(32, 36, 40, 0.18);
  color: var(--ink);
}

.button-secondary:hover {
  background: var(--white);
}

.hero-panel {
  position: relative;
  align-self: flex-end;
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  width: min(840px, calc(100% - 12vw));
  margin-top: auto;
  overflow: hidden;
  border: 1px solid rgba(32, 36, 40, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.hero-panel div {
  padding: 20px 22px;
  border-left: 1px solid rgba(32, 36, 40, 0.1);
}

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

.hero-panel strong {
  display: block;
  color: var(--steel-dark);
  font-size: 1.8rem;
  line-height: 1;
}

.hero-panel span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 800;
  line-height: 1.4;
}

.section {
  padding: 96px 6vw;
}

.section-white {
  background: var(--white);
}

.section-muted {
  background: var(--panel);
}

.section-heading {
  width: min(830px, 100%);
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading.compact {
  margin-bottom: 26px;
}

.section-heading p:not(.eyebrow),
.network-copy p,
.split-copy p {
  color: var(--muted);
}

.section-heading p:not(.eyebrow) {
  margin: 16px 0 0;
  font-size: 1.04rem;
}

.identity-grid,
.service-grid,
.news-grid {
  display: grid;
  width: min(1180px, 100%);
  margin: 0 auto;
  gap: 16px;
}

.identity-grid {
  grid-template-columns: repeat(4, 1fr);
}

.identity-card,
.service-card,
.news-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.identity-card {
  min-height: 220px;
  padding: 26px;
}

.card-index,
.news-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  background: #edf1ed;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
}

.identity-card h3,
.service-card h3,
.news-card h3 {
  margin-top: 22px;
}

.identity-card p,
.service-card p,
.news-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.official-snapshot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1180px, 100%);
  margin: 18px auto 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf8;
}

.official-snapshot div {
  padding: 20px 24px;
  border-left: 1px solid var(--line);
}

.official-snapshot div:first-child {
  border-left: 0;
}

.official-snapshot strong,
.official-snapshot span {
  display: block;
}

.official-snapshot strong {
  color: var(--steel);
  font-size: 1.22rem;
  line-height: 1.2;
}

.official-snapshot span {
  margin-top: 8px;
  color: #4b5657;
  font-weight: 800;
  line-height: 1.45;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 360px);
  align-items: center;
  gap: 64px;
  background: #f9faf8;
}

.split-copy {
  max-width: 760px;
}

.large-copy {
  margin: 20px 0 0;
  font-size: 1.13rem;
  font-weight: 750;
}

blockquote {
  margin: 30px 0 0;
  padding: 22px 0 22px 24px;
  border-left: 5px solid var(--rust);
  color: #303638;
  font-size: 1.16rem;
  font-weight: 850;
}

.principle-points {
  margin-top: 24px;
}

.principle-points span {
  padding: 9px 12px;
  border: 1px solid rgba(73, 128, 100, 0.28);
  border-radius: 8px;
  background: #eef4ef;
  color: #315d49;
  font-size: 0.92rem;
  font-weight: 900;
}

.principle-profile {
  margin-top: 26px;
  padding: 22px;
  border: 1px solid rgba(32, 36, 40, 0.12);
  border-radius: 8px;
  background: var(--white);
}

.principle-profile h3 {
  font-size: 1rem;
}

.principle-profile ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: #455051;
  font-weight: 750;
}

.principle-profile li + li {
  margin-top: 7px;
}

.feature-figure {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
}

.principle-figure {
  width: min(360px, 100%);
  justify-self: center;
}

.feature-figure img {
  width: 100%;
  aspect-ratio: 1.38 / 1;
  object-fit: cover;
}

.principle-figure img {
  aspect-ratio: 1 / 1;
  object-position: center;
  background: var(--panel);
}

.feature-figure figcaption {
  padding: 16px 18px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 750;
}

.principle-figure figcaption {
  display: grid;
  gap: 4px;
}

.principle-figure figcaption strong {
  color: var(--steel-dark);
  font-size: 1rem;
}

.principle-figure figcaption span {
  color: var(--muted);
}

.filter-bar {
  justify-content: center;
  margin-bottom: 28px;
}

.filter-button,
.issue-tab {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: #3f4848;
  cursor: pointer;
  font-weight: 900;
}

.filter-button {
  padding: 9px 14px;
}

.filter-button.active,
.issue-tab.active {
  border-color: var(--steel);
  background: var(--steel);
  color: var(--white);
}

.timeline {
  width: min(980px, 100%);
  margin: 0 auto;
  border-top: 1px solid rgba(32, 36, 40, 0.14);
}

.timeline-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(32, 36, 40, 0.12);
}

.timeline-item.is-hidden {
  display: none;
}

.timeline-item time {
  color: var(--rust);
  font-weight: 900;
}

.timeline-item p {
  margin: 8px 0 0;
  color: var(--muted);
}

.issue-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) minmax(320px, 0.8fr);
  align-items: stretch;
  width: min(1180px, 100%);
  margin: 0 auto;
  gap: 22px;
}

.issue-tabs {
  display: grid;
  align-content: start;
  gap: 10px;
}

.issue-tab {
  width: 100%;
  padding: 13px 14px;
  text-align: left;
}

.issue-panels {
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.issue-panel {
  padding: 30px;
}

.issue-panel p {
  color: var(--muted);
}

.issue-panel ul {
  margin: 22px 0 0;
  padding-left: 20px;
}

.issue-panel li + li {
  margin-top: 8px;
}

.issue-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.issue-visual img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  object-position: center;
}

.service-grid {
  grid-template-columns: repeat(4, 1fr);
}

.service-card {
  min-height: 235px;
  padding: 26px;
}

.service-card h3 {
  margin-top: 0;
}

.service-card a {
  display: inline-flex;
  margin-top: 22px;
  color: var(--rust);
  font-weight: 900;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(1180px, 100%);
  margin: 0 auto;
  gap: 16px;
}

.answer-card {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf8;
}

.answer-card p {
  margin: 14px 0 0;
  color: #3f4848;
  font-weight: 750;
}

.answer-card a,
.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--rust);
  font-weight: 900;
}

.network-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1fr);
  align-items: center;
  gap: 54px;
  background: #25323a;
  color: var(--white);
}

.network-copy {
  max-width: 620px;
}

.network-copy p:not(.eyebrow) {
  color: #d8dfdd;
}

.network-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: #101b27;
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.28);
}

.network-visual img {
  width: 100%;
  min-height: 390px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.press-heading {
  margin-bottom: 30px;
}

.press-topline {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  width: min(1180px, 100%);
  min-height: 56px;
  margin: 0 auto 18px;
  padding: 12px 18px;
  border-top: 3px solid var(--steel-dark);
  border-bottom: 1px solid var(--line);
  background: #f8faf8;
}

.press-topline span {
  color: var(--rust);
  font-size: 0.82rem;
  font-weight: 900;
}

.press-topline strong {
  color: var(--steel-dark);
  font-size: 1rem;
  line-height: 1.35;
}

.press-topline a {
  color: var(--rust);
  font-size: 0.88rem;
  font-weight: 900;
}

.press-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  align-items: start;
  width: min(1180px, 100%);
  margin: 0 auto;
  gap: 30px;
}

.main-article,
.notice-sidebar {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.main-article {
  padding: 32px;
  box-shadow: 0 18px 42px rgba(30, 35, 34, 0.08);
}

.article-header {
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(32, 36, 40, 0.12);
}

.article-meta,
.news-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 28px;
  color: var(--rust);
  font-size: 0.78rem;
  font-weight: 900;
}

.article-meta time {
  color: var(--muted);
}

.main-article h3 {
  margin-top: 14px;
  font-size: 2.08rem;
  line-height: 1.22;
}

.article-subtitle {
  margin: 12px 0 0;
  color: var(--rust);
  font-size: 1.04rem;
  font-weight: 900;
  line-height: 1.45;
}

.article-lead {
  margin: 16px 0 0;
  color: #3f4848;
  font-size: 1.08rem;
  font-weight: 800;
}

.article-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 24px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf8;
}

.article-facts div {
  padding: 15px 16px;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.article-facts div:nth-child(odd) {
  border-left: 0;
}

.article-facts div:nth-child(-n + 2) {
  border-top: 0;
}

.article-facts dt {
  color: var(--rust);
  font-size: 0.78rem;
  font-weight: 900;
}

.article-facts dd {
  margin: 7px 0 0;
  color: #3f4848;
  font-size: 0.93rem;
  font-weight: 800;
  line-height: 1.42;
}

.article-hero,
.article-gallery figure {
  margin: 0;
}

.article-hero {
  margin-top: 26px;
}

.article-hero img,
.article-gallery img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  border-radius: 6px;
  background: var(--panel);
}

.article-hero figcaption,
.article-gallery figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.article-body {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid rgba(32, 36, 40, 0.12);
}

.article-body p {
  margin: 0;
  color: #3f4848;
  font-size: 1.02rem;
  font-weight: 700;
}

.article-dateline {
  color: var(--steel-dark) !important;
  font-weight: 900 !important;
}

.article-body p + p {
  margin-top: 14px;
}

.article-bullet-list {
  margin: 14px 0 18px;
  padding: 18px 20px 18px 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf8;
  color: #3f4848;
  font-weight: 800;
}

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

.article-info-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.42fr);
  gap: 16px;
  margin-top: 28px;
}

.article-info-block section {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf8;
}

.article-info-block h2,
.article-info-block h4 {
  margin: 0 0 14px;
  color: var(--steel-dark);
  font-size: 1rem;
  line-height: 1.35;
}

.article-info-block dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.article-info-block dl div {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 10px;
}

.article-info-block dt {
  color: var(--rust);
  font-size: 0.86rem;
  font-weight: 900;
}

.article-info-block dd,
.article-info-block p {
  margin: 0;
  color: #3f4848;
  font-weight: 800;
  line-height: 1.45;
}

.article-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.notice-sidebar {
  position: sticky;
  top: 104px;
  overflow: hidden;
}

.sidebar-heading {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--line);
}

.sidebar-heading .eyebrow {
  margin-bottom: 7px;
}

.sidebar-heading h3 {
  font-size: 1.12rem;
}

.notice-item {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.notice-item:last-child {
  border-bottom: 0;
}

.notice-item.active,
.notice-item:hover {
  background: #f1f5f1;
}

.notice-rank {
  position: absolute;
  top: 18px;
  right: 22px;
  color: rgba(36, 57, 72, 0.18);
  font-size: 1.32rem;
  font-weight: 900;
  line-height: 1;
}

.notice-item time {
  color: var(--rust);
  font-size: 0.82rem;
  font-weight: 900;
}

.notice-item strong {
  padding-right: 38px;
  line-height: 1.35;
}

.notice-item span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.45;
}

.subpage {
  background: var(--paper);
}

.subpage-hero,
.article-page {
  width: min(980px, calc(100% - 12vw));
  margin: 0 auto;
}

.subpage-hero {
  padding: 92px 0 48px;
}

.subpage-hero h1,
.article-page-header h1 {
  max-width: none;
  color: var(--steel-dark);
  font-size: 3rem;
  line-height: 1.15;
}

.subpage-hero p:not(.eyebrow),
.article-page-header p:not(.eyebrow) {
  max-width: 780px;
  margin: 18px 0 0;
  color: #3f4848;
  font-size: 1.08rem;
  font-weight: 750;
}

.content-grid-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1180px, calc(100% - 12vw));
  margin: 0 auto;
  gap: 16px;
  padding-bottom: 92px;
}

.content-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.content-panel p {
  margin: 14px 0 0;
  color: #3f4848;
  font-weight: 740;
}

.plain-list {
  margin: 16px 0 0;
  padding-left: 20px;
  color: #3f4848;
  font-weight: 800;
}

.plain-list li + li {
  margin-top: 7px;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 0;
  list-style: none;
}

.keyword-list li {
  padding: 8px 11px;
  border: 1px solid rgba(73, 128, 100, 0.28);
  border-radius: 8px;
  background: #eef4ef;
  color: #315d49;
}

.article-page {
  padding: 86px 0 96px;
}

.article-page-header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.article-page-hero {
  margin: 28px 0 0;
}

.article-page-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center 42%;
  border-radius: 8px;
}

.article-page-hero figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.related-links a {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--steel-dark);
  font-weight: 900;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  padding: 32px 6vw;
  background: #1f272b;
  color: var(--white);
}

.site-footer p {
  margin: 6px 0 0;
  color: #c9d1ce;
  font-size: 0.92rem;
}

.site-footer > p {
  max-width: 360px;
  text-align: right;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 14px;
  max-width: 420px;
}

.footer-links a {
  color: #e8efed;
  font-size: 0.9rem;
  font-weight: 850;
}

@media (max-width: 1120px) {
  .identity-grid,
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-grid-section {
    grid-template-columns: 1fr;
  }

  .issue-layout {
    grid-template-columns: 1fr;
  }

  .issue-tabs {
    grid-template-columns: repeat(3, 1fr);
  }

  .issue-tab {
    text-align: center;
  }

  .issue-visual img {
    max-height: 360px;
  }

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

  .press-layout {
    grid-template-columns: 1fr;
  }

  .notice-sidebar {
    position: static;
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 70px;
    padding: 12px 20px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 70px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding: 82px 20px 34px;
  }

  .hero::after {
    background:
      linear-gradient(180deg, rgba(246, 247, 244, 0.96), rgba(246, 247, 244, 0.82) 64%, rgba(246, 247, 244, 0.68));
  }

  .hero-news::after {
    background:
      linear-gradient(180deg, rgba(24, 30, 34, 0.88), rgba(24, 30, 34, 0.68) 58%, rgba(24, 30, 34, 0.78));
  }

  .hero-news .hero-image {
    object-position: center 34%;
  }

  h1 {
    max-width: 100%;
    font-size: 2.18rem;
  }

  .hero-news h1 {
    max-width: 100%;
    font-size: 2.16rem;
  }

  h2 {
    font-size: 1.85rem;
  }

  .hero-lead,
  .large-copy,
  blockquote {
    font-size: 0.99rem;
  }

  .hero-news .hero-lead {
    font-size: 0.99rem;
  }

  .hero-panel {
    grid-template-columns: 1fr;
    width: 100%;
    margin-top: 34px;
  }

  .hero-panel div {
    border-top: 1px solid rgba(32, 36, 40, 0.1);
    border-left: 0;
  }

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

  .section,
  .split-section,
  .network-section {
    padding: 68px 20px;
  }

  .section-heading {
    text-align: left;
  }

  .split-section,
  .network-section {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .network-section {
    background: #25323a;
  }

  .network-visual img {
    min-height: 430px;
  }

  .principle-figure {
    width: min(340px, 100%);
  }

  .site-footer {
    flex-direction: column;
  }

  .site-footer > p {
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: 178px;
    max-height: 42px;
  }

  .identity-grid,
  .service-grid,
  .answer-grid,
  .news-grid,
  .press-layout,
  .article-facts,
  .official-snapshot,
  .issue-tabs {
    grid-template-columns: 1fr;
  }

  .press-topline {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 7px;
  }

  .official-snapshot div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .article-facts div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .article-facts div:nth-child(n + 2) {
    border-top: 1px solid var(--line);
  }

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

  .official-snapshot div:first-child {
    border-top: 0;
  }

  .identity-card,
  .service-card,
  .main-article,
  .issue-panel {
    padding: 22px;
  }

  .main-article h3 {
    font-size: 1.48rem;
  }

  .article-gallery {
    grid-template-columns: 1fr;
  }

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

  .article-info-block dl div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .notice-sidebar {
    position: static;
  }

  .subpage-hero,
  .article-page {
    width: calc(100% - 40px);
  }

  .subpage-hero {
    padding-top: 68px;
  }

  .subpage-hero h1,
  .article-page-header h1 {
    font-size: 2rem;
  }

  .content-grid-section {
    width: calc(100% - 40px);
    padding-bottom: 68px;
  }

  .article-page {
    padding: 64px 0 70px;
  }

  .network-visual img {
    min-height: 260px;
  }
}

@media (max-width: 420px) {
  .site-header {
    padding: 11px 16px;
  }

  .hero,
  .section,
  .split-section,
  .network-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .brand-logo {
    width: 164px;
  }

  h1 {
    font-size: 2rem;
  }

  .hero-news h1 {
    font-size: 1.86rem;
  }

  h2 {
    font-size: 1.68rem;
  }

  .hero-actions .button {
    flex: 1 1 100%;
  }

  .principle-points span {
    flex: 1 1 calc(50% - 10px);
    text-align: center;
  }

  .principle-figure {
    width: min(320px, 100%);
  }
}