:root {
  --night: #171633;
  --night-deep: #0e0e22;
  --night-soft: #242449;
  --cyan: #43c7bd;
  --cyan-dark: #147f79;
  --coral: #ef625c;
  --ice: #eef5f4;
  --white: #fbfcfb;
  --silver: #aeb9bf;
  --ink: #202232;
  --line: rgba(32, 34, 50, 0.17);
  --line-light: rgba(238, 245, 244, 0.2);
  --content: 1500px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 122px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--ice);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, dl, dd { margin-top: 0; }
h1, h2, h3, strong { text-wrap: balance; }
p { text-wrap: pretty; }
button, a { font: inherit; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid #ffb1a9;
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 252, 251, 0.96);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(18px);
}

.signal-strip {
  min-height: 34px;
  padding: 0 max(24px, calc((100% - var(--content)) / 2));
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 32px;
  align-items: center;
  background: var(--night-deep);
  color: var(--ice);
  font-size: 10px;
  letter-spacing: .1em;
}

.signal-strip div { display: flex; gap: 14px; align-items: center; }
.signal-strip span { color: var(--cyan); font-weight: 800; }
.signal-strip strong { font-size: 11px; }
.signal-strip p { margin: 0; color: #aeb4ca; }

.nav-shell {
  width: min(100% - 48px, var(--content));
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 30px;
}

.brand-lockup, .footer-brand {
  display: flex;
  align-items: center;
  gap: 13px;
  flex: 0 0 auto;
}

.brand-lockup img, .footer-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-lockup div, .footer-brand div { display: flex; flex-direction: column; }
.brand-lockup strong, .footer-brand strong { font-size: 20px; line-height: 1.1; letter-spacing: .06em; }
.brand-lockup span, .footer-brand span { margin-top: 6px; color: #73798a; font-size: 9px; letter-spacing: .18em; }

nav { display: flex; align-items: stretch; }

nav a {
  position: relative;
  padding: 0 14px;
  display: flex;
  align-items: center;
  color: #4f5365;
  font-size: 13px;
  font-weight: 680;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}

nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}

nav a:hover, nav a[aria-current="page"] { color: var(--night); background: rgba(67, 199, 189, .07); }
nav a:hover::after, nav a[aria-current="page"]::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  color: var(--night);
  font-weight: 750;
  cursor: pointer;
}

.menu-toggle i, .menu-toggle i::before, .menu-toggle i::after {
  width: 22px;
  height: 2px;
  display: block;
  background: currentColor;
}

.menu-toggle i { position: relative; }
.menu-toggle i::before, .menu-toggle i::after { content: ""; position: absolute; left: 0; }
.menu-toggle i::before { top: -7px; }
.menu-toggle i::after { top: 7px; }

.hero {
  padding: 24px;
  background: var(--ice);
}

.hero-shell {
  width: min(100%, var(--content));
  min-height: 710px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 32px 80px rgba(23, 22, 51, .12);
}

.hero-upper, .hero-lower {
  display: grid;
  align-items: center;
  text-transform: uppercase;
}

.hero-upper {
  min-height: 54px;
  grid-template-columns: 1fr 1fr auto;
  color: #616579;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .18em;
}

.hero-upper span { padding: 0 24px; border-right: 1px solid var(--line); }
.hero-upper span:last-child { border-right: 0; color: var(--coral); }

.hero-core {
  min-height: 550px;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) minmax(390px, .78fr);
}

.signal-scale {
  padding: 30px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  color: #8a8ea1;
  font-size: 9px;
  font-weight: 800;
}

.signal-scale i {
  width: 1px;
  flex: 1;
  margin: 8px 0;
  background: linear-gradient(var(--silver), var(--cyan));
}

.hero-brand {
  padding: clamp(46px, 6vw, 90px) clamp(36px, 6vw, 92px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(90deg, transparent 49.9%, rgba(23,22,51,.055) 50%, transparent 50.1%),
    linear-gradient(0deg, transparent 49.9%, rgba(23,22,51,.055) 50%, transparent 50.1%);
  background-size: 88px 88px;
}

.eyebrow, .section-title > p {
  margin-bottom: 22px;
  color: var(--cyan-dark);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .22em;
}

.display-name {
  margin-bottom: 28px;
  color: var(--night);
  font-size: clamp(68px, 8.4vw, 132px);
  font-weight: 900;
  line-height: .84;
  letter-spacing: -.085em;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 22px;
  color: var(--night);
  font-size: clamp(34px, 3.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -.048em;
}

.hero-slogan {
  margin-bottom: 13px;
  color: var(--coral);
  font-size: clamp(20px, 1.7vw, 27px);
  font-weight: 760;
}

.hero-intro {
  max-width: 760px;
  margin-bottom: 0;
  color: #5d6274;
  font-size: 14px;
}

.hero-visual {
  padding: 28px;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 18px;
  background: var(--night);
  color: var(--ice);
}

.visual-window {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border: 1px solid rgba(238, 245, 244, .28);
}

.visual-window::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 16px;
  border: 1px solid rgba(238, 245, 244, .3);
  pointer-events: none;
}

.visual-window::after {
  content: "";
  position: absolute;
  z-index: 1;
  width: 76px;
  height: 6px;
  left: 16px;
  top: 16px;
  background: var(--coral);
}

.visual-window img { width: 100%; height: 100%; object-fit: cover; }

.visual-register { display: grid; grid-template-columns: 120px 1fr; gap: 3px 16px; align-items: end; }
.visual-register span { grid-row: 1 / 3; align-self: stretch; padding-right: 16px; display: flex; align-items: center; border-right: 1px solid var(--line-light); color: var(--cyan); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.visual-register strong { font-size: 23px; }
.visual-register small { color: #aeb4c6; font-size: 11px; }

.hero-lower {
  min-height: 104px;
  grid-template-columns: repeat(4, 1fr);
  background: var(--night-deep);
  color: var(--ice);
}

.hero-lower div { height: 100%; padding: 22px 26px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line-light); }
.hero-lower div:last-child { border-right: 0; }
.hero-lower span { margin-bottom: 6px; color: #878da6; font-size: 9px; letter-spacing: .16em; }
.hero-lower strong { font-size: 13px; }

.section { padding: clamp(82px, 9vw, 142px) max(24px, calc((100% - var(--content)) / 2)); }

.section-title {
  margin-bottom: 58px;
  display: grid;
  grid-template-columns: minmax(150px, .28fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.section-title h2 {
  max-width: 1080px;
  margin-bottom: 18px;
  color: var(--night);
  font-size: clamp(36px, 4.2vw, 66px);
  line-height: 1.08;
  letter-spacing: -.055em;
}

.section-title.compact h2 { font-size: clamp(34px, 3.5vw, 54px); }
.section-title div > p { max-width: 850px; margin-bottom: 0; color: #626778; }
.section-title.inverted h2 { color: var(--ice); }
.section-title.inverted div > p { color: #abb1c3; }
.section-title.inverted.dark-text h2 { color: var(--night); }
.section-title.inverted.dark-text div > p { color: #254b4a; }
.section-title.inverted.dark-text > p { color: #0e6d67; }

.section-night { background: var(--night-deep); color: var(--ice); }
.section-cyan { background: var(--cyan); color: var(--night); }
.section-glacier { background: #dde9ea; }

.positioning { background: var(--ice); }

.position-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.position-grid article { min-height: 300px; padding: 34px 34px 34px 0; border-right: 1px solid var(--line); }
.position-grid article + article { padding-left: 34px; }
.position-grid article:last-child { border-right: 0; }
.position-grid span, .official-layout article > span { color: var(--coral); font-size: 10px; font-weight: 850; letter-spacing: .17em; }
.position-grid h3 { margin: 72px 0 14px; color: var(--night); font-size: 25px; line-height: 1.25; }
.position-grid p { margin: 0; color: #626778; font-size: 14px; }

.broadcast-grid { display: grid; gap: 30px; }

.broadcast-story {
  min-height: 570px;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  border: 1px solid var(--line-light);
  background: var(--night-soft);
}

.story-image { min-height: 570px; overflow: hidden; background: #111128; }
.story-image img { width: 100%; height: 100%; object-fit: cover; }
.story-copy { padding: clamp(38px, 5vw, 74px); display: flex; flex-direction: column; justify-content: center; }
.story-copy > span { margin-bottom: 24px; color: var(--cyan); font-size: 10px; font-weight: 850; letter-spacing: .17em; }
.story-copy h3 { margin-bottom: 18px; font-size: clamp(37px, 4vw, 62px); line-height: 1.04; }
.story-copy > p { margin-bottom: 28px; color: #bbc0cf; }
.story-copy dl { display: grid; grid-template-columns: 1fr 1fr; margin: 0; border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.story-copy dl div { min-height: 100px; padding: 17px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.story-copy dt { color: #8f95aa; font-size: 10px; letter-spacing: .12em; }
.story-copy dd { margin: 7px 0 0; color: var(--ice); font-size: 13px; line-height: 1.45; }

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

.spectrum { border-top: 2px solid var(--night); }
.spectrum-row { position: relative; display: grid; grid-template-columns: 120px .75fr 1.1fr 1fr; gap: 26px; align-items: center; min-height: 112px; padding: 18px 24px; border-bottom: 1px solid var(--line); overflow: hidden; }
.spectrum-row::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--silver); }
.spectrum-row.active::before { width: 11px; background: var(--coral); }
.spectrum-row span { color: var(--cyan-dark); font-size: 10px; font-weight: 850; letter-spacing: .15em; }
.spectrum-row h3, .spectrum-row p { margin: 0; }
.spectrum-row h3 { color: var(--night); font-size: 24px; }
.spectrum-row p { color: #64697a; font-size: 14px; }
.spectrum-row strong { justify-self: end; color: #3d4255; font-size: 13px; }

.archive-list { border-top: 2px solid var(--night); }
.archive-list article { display: grid; grid-template-columns: 72px minmax(210px, .8fr) minmax(260px, 1.15fr) minmax(380px, 1.55fr); gap: 28px; align-items: start; padding: 34px 0; border-bottom: 1px solid rgba(23, 22, 51, .3); }
.archive-number { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--night); font-weight: 850; }
.archive-list span { color: #145f5b; font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.archive-list h3 { margin: 10px 0 0; font-size: 27px; line-height: 1.18; }
.archive-list article > p { margin: 0; color: #244b49; font-size: 14px; }
.archive-list dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; border-left: 1px solid rgba(23, 22, 51, .25); border-top: 1px solid rgba(23, 22, 51, .25); }
.archive-list dl div { min-height: 76px; padding: 12px; border-right: 1px solid rgba(23, 22, 51, .25); border-bottom: 1px solid rgba(23, 22, 51, .25); }
.archive-list dt { color: #186c67; font-size: 9px; letter-spacing: .12em; }
.archive-list dd { margin: 5px 0 0; font-size: 12px; line-height: 1.4; }
.archive-note { margin-top: 26px; padding: 20px 24px; display: grid; grid-template-columns: 160px 1fr; gap: 24px; border-left: 4px solid var(--coral); background: rgba(255,255,255,.38); }
.archive-note p { margin: 0; color: #255250; font-size: 13px; }

.theme-channels { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.theme-channels article { min-height: 280px; padding: 32px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.theme-channels span { color: var(--cyan); font-size: 10px; font-weight: 850; letter-spacing: .16em; }
.theme-channels h3 { margin: 78px 0 13px; font-size: 27px; }
.theme-channels p { margin: 0; color: #aeb4c5; font-size: 14px; }

.ai-signal { margin-top: 72px; padding-top: 38px; display: grid; grid-template-columns: 180px minmax(0, 1fr) 300px; gap: 44px; align-items: center; border-top: 1px solid var(--line-light); }
.ai-beacon { position: relative; width: 140px; height: 140px; display: grid; place-items: center; }
.ai-beacon i { position: absolute; inset: 0; border: 1px solid var(--cyan); border-radius: 50%; }
.ai-beacon i:nth-child(2) { inset: 18px; }
.ai-beacon i:nth-child(3) { inset: 36px; background: var(--coral); border-color: var(--coral); }
.ai-beacon b { position: relative; z-index: 1; font-size: 24px; }
.ai-signal > div:nth-child(2) > span { color: var(--cyan); font-size: 10px; font-weight: 850; letter-spacing: .15em; }
.ai-signal h3 { margin: 16px 0; font-size: clamp(29px, 3vw, 45px); line-height: 1.14; }
.ai-signal p { margin: 0; color: #b8becd; }
.ai-terms { display: flex; flex-wrap: wrap; gap: 8px; }
.ai-terms span { padding: 7px 9px; border: 1px solid var(--line-light); color: var(--ice); font-size: 11px; }

.updates { background: var(--white); }
.bulletin-list { border-top: 2px solid var(--night); }
.bulletin-list article { min-height: 112px; padding: 26px 0; display: grid; grid-template-columns: 140px 120px .9fr 1fr; gap: 26px; align-items: center; border-bottom: 1px solid var(--line); }
.bulletin-list time { color: var(--coral); font-weight: 850; }
.bulletin-list span { color: var(--cyan-dark); font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.bulletin-list h3, .bulletin-list p { margin: 0; }
.bulletin-list h3 { color: var(--night); font-size: 20px; }
.bulletin-list p { color: #666b7a; font-size: 14px; }

.viewing-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.viewing-grid article { min-height: 300px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.34); }
.viewing-grid b { color: var(--coral); font-size: 11px; letter-spacing: .18em; }
.viewing-grid h3 { margin: 76px 0 14px; color: var(--night); font-size: 25px; }
.viewing-grid p { margin: 0; color: #606778; font-size: 14px; }

.faq { background: var(--ice); }
.faq-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.faq-list article { min-height: 220px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-list h3 { margin-bottom: 16px; color: var(--night); font-size: 20px; }
.faq-list p { margin: 0; color: #656a79; font-size: 14px; }

.official-layout { display: grid; grid-template-columns: 1.25fr .85fr .85fr; gap: 20px; }
.official-layout article { min-height: 390px; padding: 36px; border: 1px solid var(--line-light); background: var(--night-soft); }
.official-layout article:first-child { background: var(--cyan); color: var(--night); }
.official-layout article > span { color: var(--coral); }
.official-layout h3 { margin: 52px 0 18px; font-size: 28px; }
.official-layout p { margin: 0; color: #bbc0cf; }
.official-profile dl { margin: 0; }
.official-profile dl div { padding: 12px 0; display: grid; grid-template-columns: 110px 1fr; gap: 18px; border-bottom: 1px solid rgba(23,22,51,.25); }
.official-profile dt { color: #176d68; font-size: 10px; letter-spacing: .12em; }
.official-profile dd { margin: 0; font-size: 13px; }

.site-footer { padding: 42px max(24px, calc((100% - var(--content)) / 2)); display: flex; justify-content: space-between; align-items: center; gap: 44px; background: #080817; color: var(--ice); }
.footer-brand strong { color: var(--ice); }
.footer-brand span { color: #858ba0; }
.footer-meta { text-align: right; }
.footer-meta p { margin: 3px 0; color: #9da3b5; font-size: 12px; }

@media (max-width: 1240px) {
  .nav-shell { width: min(100% - 32px, var(--content)); }
  nav a { padding-inline: 9px; font-size: 12px; }
  nav a::after { left: 9px; right: 9px; }
  .hero-core { grid-template-columns: 68px minmax(0, 1fr) minmax(350px, .72fr); }
  .hero-brand { padding-inline: 48px; }
  .hero-visual { padding: 24px; }
  .ai-signal { grid-template-columns: 150px 1fr; }
  .ai-terms { grid-column: 2; }
  .archive-list article { grid-template-columns: 62px .7fr 1fr; }
  .archive-list dl { grid-column: 2 / 4; }
}

@media (max-width: 1050px) {
  html { scroll-padding-top: 112px; }
  .menu-enabled .menu-toggle { display: flex; }
  .nav-shell { position: relative; min-height: 74px; align-items: center; }
  .menu-enabled nav { position: absolute; left: -16px; right: -16px; top: 74px; display: none; flex-direction: column; padding: 10px 16px 18px; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 20px 50px rgba(23,22,51,.16); }
  .menu-enabled.menu-open nav { display: flex; }
  .menu-enabled nav a { min-height: 46px; padding: 0 12px; border-bottom: 1px solid var(--line); }
  .menu-enabled nav a::after { left: 0; right: auto; top: 12px; bottom: 12px; width: 3px; height: auto; transform: scaleY(0); }
  .menu-enabled nav a:hover::after, .menu-enabled nav a[aria-current="page"]::after { transform: scaleY(1); }

  .hero-core { grid-template-columns: 64px 1fr; }
  .signal-scale { grid-row: 1 / 3; }
  .hero-brand { grid-column: 2; min-height: 520px; }
  .hero-visual { grid-column: 2; grid-template-columns: 1fr 230px; grid-template-rows: 360px; align-items: end; }
  .visual-window { min-height: 360px; }
  .visual-register { grid-template-columns: 1fr; }
  .visual-register span { grid-row: auto; padding: 0 0 12px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .hero-lower { grid-template-columns: 1fr 1fr; }
  .hero-lower div:nth-child(-n+2) { border-bottom: 1px solid var(--line-light); }

  .section-title { grid-template-columns: 130px 1fr; gap: 28px; }
  .position-grid, .theme-channels, .faq-list { grid-template-columns: 1fr 1fr; }
  .position-grid article:nth-child(2) { border-right: 0; }
  .position-grid article:nth-child(3) { border-top: 1px solid var(--line); }
  .broadcast-story { grid-template-columns: 1fr; }
  .broadcast-story-reverse .story-copy { order: 2; }
  .broadcast-story-reverse .story-image { order: 1; }
  .story-image { min-height: 480px; }
  .spectrum-row { grid-template-columns: 100px .8fr 1.2fr; }
  .spectrum-row strong { grid-column: 2 / 4; justify-self: start; }
  .bulletin-list article { grid-template-columns: 120px 100px 1fr; }
  .bulletin-list p { grid-column: 3; }
  .viewing-grid { grid-template-columns: 1fr 1fr; }
  .official-layout { grid-template-columns: 1fr; }
  .official-layout article { min-height: auto; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 76px; }
  .signal-strip { display: none; }
  .brand-lockup strong { font-size: 18px; }
  .brand-lockup span { display: none; }
  .brand-lockup img { width: 38px; height: 38px; }

  .hero { padding: 12px; }
  .hero-upper { grid-template-columns: 1fr auto; }
  .hero-upper span { padding: 0 14px; }
  .hero-upper span:nth-child(2) { display: none; }
  .hero-core { grid-template-columns: 1fr; }
  .signal-scale { display: none; }
  .hero-brand { grid-column: 1; min-height: auto; padding: 48px 23px 42px; background-size: 64px 64px; }
  .display-name { font-size: clamp(58px, 19vw, 88px); }
  .hero h1 { font-size: clamp(31px, 9vw, 44px); }
  .hero-visual { grid-column: 1; padding: 20px; grid-template-columns: 1fr; grid-template-rows: auto auto; }
  .visual-window { min-height: 270px; }
  .hero-lower { grid-template-columns: 1fr; }
  .hero-lower div { border-right: 0; border-bottom: 1px solid var(--line-light); }

  .section { padding: 76px 20px; }
  .section-title { grid-template-columns: 1fr; gap: 10px; margin-bottom: 38px; }
  .section-title h2, .section-title.compact h2 { font-size: clamp(32px, 9.2vw, 44px); }
  .position-grid, .theme-channels, .viewing-grid, .faq-list { grid-template-columns: 1fr; }
  .position-grid article, .position-grid article + article { min-height: 230px; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .position-grid article:nth-child(3) { border-top: 0; }
  .position-grid h3 { margin-top: 46px; }
  .story-image { min-height: 300px; }
  .story-copy { padding: 34px 22px; }
  .story-copy dl { grid-template-columns: 1fr; }
  .spectrum-row { grid-template-columns: 1fr; gap: 8px; padding: 24px 20px; }
  .spectrum-row strong { grid-column: 1; justify-self: start; }
  .archive-list article { grid-template-columns: 52px 1fr; gap: 18px; }
  .archive-list article > p, .archive-list dl { grid-column: 1 / 3; }
  .archive-list dl { grid-template-columns: 1fr; }
  .archive-note { grid-template-columns: 1fr; gap: 8px; }
  .theme-channels article { min-height: 230px; }
  .theme-channels h3 { margin-top: 52px; }
  .ai-signal { grid-template-columns: 1fr; gap: 24px; }
  .ai-beacon { width: 112px; height: 112px; }
  .ai-terms { grid-column: 1; }
  .bulletin-list article { grid-template-columns: 1fr; gap: 8px; }
  .bulletin-list p { grid-column: 1; }
  .viewing-grid article { min-height: 240px; }
  .viewing-grid h3 { margin-top: 52px; }
  .official-layout article { padding: 30px 23px; }
  .official-profile dl div { grid-template-columns: 1fr; gap: 4px; }
  .site-footer { padding: 38px 24px; flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}