:root {
  --paper: #f2ead5;
  --paper-2: #e7dcc0;
  --paper-3: #d8c9a4;
  --ink: #20221d;
  --muted: #676458;
  --red: #a33f31;
  --red-deep: #782e25;
  --green: #46554b;
  --green-deep: #2d3027;
  --gold: #ae8a4b;
  --line: rgba(32, 34, 29, .18);
  --line-strong: rgba(32, 34, 29, .35);
  --shadow: rgba(48, 37, 22, .16);
  --white: #fffdf6;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html[data-lang="ja"] .en { display: none !important; }
html[data-lang="en"] .ja { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 5%, rgba(255,255,255,.54), transparent 29rem),
    repeating-linear-gradient(0deg, rgba(75,59,36,.018) 0, rgba(75,59,36,.018) 1px, transparent 1px, transparent 4px),
    var(--paper);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", Georgia, "Times New Roman", serif;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(40,30,15,.22) 0 .5px, transparent .7px),
    radial-gradient(circle at 70% 70%, rgba(40,30,15,.16) 0 .6px, transparent .8px);
  background-size: 13px 17px, 19px 23px;
  mix-blend-mode: multiply;
  z-index: 10;
}

a { color: inherit; }
a:hover { color: var(--red-deep); }
img, svg { max-width: 100%; }
button, input, textarea { font: inherit; }

.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-shell { position: relative; z-index: 1; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 9px 14px;
  background: var(--green-deep);
  color: #fff;
  text-decoration: none;
}
.skip-link:focus { transform: translateY(0); }

.utility-strip {
  background: var(--green-deep);
  color: #eee5cf;
  border-bottom: 1px solid rgba(255,255,255,.12);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .13em;
}
.utility-inner {
  min-height: 29px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  opacity: .88;
}

.site-header {
  background: rgba(242,234,213,.94);
  border-bottom: 1px solid var(--line-strong);
  box-shadow: 0 6px 22px rgba(58,46,28,.06);
}
.masthead {
  min-height: 126px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 18px;
  text-decoration: none;
}
.brand:hover { color: inherit; }
.brand-call {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 8vw, 5.4rem);
  line-height: .84;
  font-weight: 800;
  letter-spacing: -.055em;
  color: var(--ink);
  text-shadow: 1px 1px 0 rgba(255,255,255,.5);
}
.brand-call::after {
  content: "";
  display: block;
  width: 72%;
  margin-top: 10px;
  border-bottom: 5px solid var(--red);
}
.brand-sub {
  max-width: 220px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .09em;
  line-height: 1.55;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 18px;
}
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .77rem;
}
.lang-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 5px 2px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.lang-button[aria-pressed="true"] {
  color: var(--ink);
  border-color: var(--red);
  font-weight: 700;
}
.menu-button {
  display: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  padding: 8px 12px;
  cursor: pointer;
}

.site-nav {
  border-top: 1px solid var(--line);
  background: rgba(231,220,192,.62);
}
.nav-inner {
  display: flex;
  align-items: stretch;
}
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-right: 1px solid var(--line);
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: .04em;
}
.site-nav a:first-child { border-left: 1px solid var(--line); }
.site-nav a:hover { background: rgba(255,255,255,.28); color: var(--ink); }
.site-nav a.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 4px;
  background: var(--red);
}

/* Site independence notice */
.affiliation-notice {
  border-top: 1px solid rgba(163,63,49,.16);
  border-bottom: 1px solid var(--line);
  background: rgba(255,253,246,.50);
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .72rem;
  line-height: 1.55;
}
.affiliation-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 7px;
  padding-bottom: 7px;
}
.affiliation-inner strong {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid rgba(163,63,49,.42);
  color: var(--red-deep);
  font-size: .64rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Shared type */
h1, h2, h3 { margin-top: 0; line-height: 1.25; }
h1 { font-size: clamp(2.2rem, 5vw, 4.7rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.65rem, 3vw, 2.65rem); letter-spacing: -.025em; }
h3 { font-size: 1.18rem; }
p { margin-top: 0; }
.lede { font-size: clamp(1.06rem, 2vw, 1.26rem); line-height: 1.95; }
.kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  color: var(--red-deep);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 28px; border-top: 2px solid currentColor; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.mono { font-family: "Courier New", Courier, monospace; }

.page-hero {
  padding: 70px 0 62px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(255,255,255,.2), transparent 45%),
    rgba(255,255,255,.08);
}
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr);
  gap: 60px;
  align-items: end;
}
.page-hero h1 { margin-bottom: 20px; max-width: 850px; }
.page-hero .lede { max-width: 760px; margin-bottom: 0; }
.page-stamp {
  justify-self: end;
  width: 230px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  text-align: center;
  border: 2px solid var(--red-deep);
  outline: 1px solid rgba(120,46,37,.4);
  outline-offset: -8px;
  border-radius: 50%;
  color: var(--red-deep);
  transform: rotate(-3deg);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
  letter-spacing: .12em;
  font-size: .7rem;
  line-height: 1.7;
  opacity: .82;
}
.page-stamp strong { display: block; font-family: Georgia, serif; font-size: 2.35rem; letter-spacing: -.03em; }

.section { padding: 76px 0; }
.section.compact { padding: 54px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 36px; }
.section-head p:last-child { margin-bottom: 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }

.card {
  padding: 28px;
  border: 1px solid var(--line-strong);
  background: rgba(255,253,246,.32);
  box-shadow: 0 10px 28px rgba(58,46,28,.04);
}
.card p:last-child { margin-bottom: 0; }
.card-number {
  display: block;
  margin-bottom: 16px;
  color: var(--red);
  font-family: Georgia, serif;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  border: 1px solid var(--line-strong);
  background: rgba(255,253,246,.32);
}
.fact {
  min-height: 138px;
  padding: 24px 22px;
  border-right: 1px solid var(--line);
}
.fact:last-child { border-right: 0; }
.fact-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.fact-value { display: block; font-size: 1.12rem; font-weight: 700; line-height: 1.45; }

/* Home hero */
.home-hero { padding: 58px 0 70px; }
.home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 60px;
  align-items: center;
}
.home-hero h1 {
  margin: 0 0 24px;
  font-size: clamp(3.6rem, 9vw, 8.3rem);
  line-height: .82;
  letter-spacing: -.065em;
}
.home-hero h1 small {
  display: block;
  margin-top: 24px;
  color: var(--red-deep);
  font-size: clamp(.92rem, 2vw, 1.2rem);
  letter-spacing: .08em;
  line-height: 1.55;
}
.home-intro { max-width: 560px; }
.home-intro .lede { margin-bottom: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 17px;
  border: 1px solid var(--green-deep);
  background: var(--green-deep);
  color: #fff9e8;
  text-decoration: none;
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
}
.button:hover { background: var(--red-deep); color: #fff; border-color: var(--red-deep); }
.button.secondary { background: transparent; color: var(--ink); }
.button.secondary:hover { background: rgba(255,255,255,.3); color: var(--ink); border-color: var(--red-deep); }

.radio-console {
  padding: 18px;
  border: 1px solid #181913;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.07), transparent 50%),
    #39352d;
  box-shadow: 0 22px 42px var(--shadow), inset 0 0 0 1px rgba(255,255,255,.08);
}
.radio-console-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin: 0 2px 12px;
  color: #d8ccb1;
  font-family: Arial, Helvetica, sans-serif;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .13em;
}
.dial {
  position: relative;
  overflow: hidden;
  min-height: 184px;
  padding: 28px 32px 23px;
  border: 2px solid #191a15;
  border-radius: 8px;
  background:
    linear-gradient(rgba(255,255,255,.24), rgba(255,255,255,0) 36%),
    #cbbd90;
  box-shadow: inset 0 0 28px rgba(66,49,21,.35);
  color: #181914;
  font-family: Arial, Helvetica, sans-serif;
}
.dial::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12) 50%, transparent);
}
.scale-title { display: flex; justify-content: space-between; gap: 16px; font-size: .65rem; font-weight: 800; letter-spacing: .13em; }
.scale {
  position: relative;
  height: 73px;
  margin-top: 21px;
  border-top: 3px solid #181914;
  background: repeating-linear-gradient(90deg, #181914 0 1px, transparent 1px 6.25%);
  background-size: 100% 19px;
  background-repeat: no-repeat;
}
.numbers { display: flex; justify-content: space-between; font-size: .75rem; font-variant-numeric: tabular-nums; }
.needle {
  position: absolute;
  left: 58.5%;
  top: -12px;
  width: 3px;
  height: 67px;
  background: var(--red);
  box-shadow: 0 0 8px rgba(163,63,49,.4);
}
.needle::after {
  content: "1240";
  position: absolute;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--red-deep);
  font-size: .78rem;
  font-weight: 900;
}
.station-id {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: #1d1e18;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.radio-controls {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: center;
  padding: 18px 8px 4px;
}
.speaker {
  height: 54px;
  opacity: .7;
  background: repeating-linear-gradient(0deg, transparent 0 5px, #1b1b17 5px 7px);
}
.knob {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid #171813;
  background: radial-gradient(circle at 38% 32%, #716855, #2b2923 62%, #171813 65%);
  box-shadow: 0 2px 0 rgba(255,255,255,.08), inset 0 0 0 5px rgba(255,255,255,.025);
}

.quote-panel {
  position: relative;
  padding: 46px 48px;
  background: var(--red-deep);
  color: #fff7e7;
  box-shadow: 0 20px 36px rgba(80,37,29,.15);
}
.quote-panel::before {
  content: "“";
  position: absolute;
  top: 14px;
  left: 24px;
  font-family: Georgia, serif;
  font-size: 5.5rem;
  line-height: 1;
  opacity: .17;
}
.quote-panel p { position: relative; margin: 0; font-size: clamp(1.25rem, 2.7vw, 2rem); line-height: 1.65; }

/* Timeline */
.timeline-list { list-style: none; margin: 0; padding: 0; }
.timeline-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 30px;
  position: relative;
  padding: 0 0 42px 28px;
  border-left: 2px solid var(--line-strong);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid var(--paper);
  background: var(--red);
  box-shadow: 0 0 0 1px var(--red);
}
.timeline-date {
  color: var(--red-deep);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .06em;
}
.timeline-copy h3 { margin-bottom: 8px; font-size: 1.35rem; }
.timeline-copy p { margin: 0; }
.timeline-source { margin-top: 9px !important; color: var(--muted); font-size: .78rem; }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line-strong); }
.data-table { width: 100%; border-collapse: collapse; min-width: 650px; background: rgba(255,253,246,.3); }
.data-table th, .data-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { width: 28%; background: rgba(216,201,164,.35); font-family: Arial, Helvetica, sans-serif; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.data-table tr:last-child th, .data-table tr:last-child td { border-bottom: 0; }

.status {
  display: inline-flex;
  padding: 3px 8px;
  border: 1px solid var(--green);
  color: var(--green-deep);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.status.research { border-color: var(--gold); color: #6c531e; }

/* Archive */
.archive-callout {
  position: relative;
  overflow: hidden;
  padding: 50px;
  background: var(--green-deep);
  color: #f7eed9;
}
.archive-callout::after {
  content: "JOGQ";
  position: absolute;
  right: -18px;
  bottom: -42px;
  color: rgba(255,255,255,.045);
  font-family: Georgia, serif;
  font-size: 10rem;
  font-weight: 800;
  line-height: 1;
}
.archive-callout > * { position: relative; z-index: 1; }
.archive-callout h2 { color: #fff9e9; max-width: 820px; }
.archive-callout p { max-width: 810px; }
.archive-items .card { min-height: 220px; }
.archive-icon { display: block; margin-bottom: 18px; color: var(--red); font-family: Georgia, serif; font-size: 2rem; line-height: 1; }

/* Source cards */
.source-card {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line-strong);
}
.source-card:last-child { border-bottom: 1px solid var(--line-strong); }
.source-year { color: var(--red-deep); font-family: Arial, Helvetica, sans-serif; font-size: .8rem; font-weight: 800; letter-spacing: .08em; }
.source-card h3 { margin-bottom: 8px; }
.source-card p { margin-bottom: 10px; }
.source-link { font-size: .82rem; font-weight: 700; word-break: break-word; }

/* Research updates & correspondence */
.research-update {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
  padding: 34px;
  border: 1px solid var(--line-strong);
  background: rgba(255,253,246,.42);
  box-shadow: 0 14px 34px rgba(58,46,28,.05);
}
.research-update-mark {
  display: grid;
  place-items: center;
  min-height: 126px;
  border: 2px solid var(--red-deep);
  outline: 1px solid rgba(120,46,37,.32);
  outline-offset: -7px;
  color: var(--red-deep);
  font-family: Georgia, serif;
  font-size: 2.3rem;
  font-weight: 800;
  transform: rotate(-2deg);
}
.research-update h2 { margin-bottom: 18px; }
.correspondence-card {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 30px;
  padding: 32px;
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--red);
  background: rgba(255,253,246,.42);
}
.correspondence-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .08em;
}
.correspondence-copy h3 { margin-bottom: 12px; }
.correspondence-source {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .78rem;
}
.evidence-note {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 22px;
}
.evidence-note > div {
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(231,220,192,.28);
}
.evidence-note strong {
  display: block;
  margin-bottom: 9px;
  color: var(--red-deep);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .78rem;
  letter-spacing: .05em;
}
.evidence-note p:last-child { margin-bottom: 0; }
.research-milestone {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  padding: 30px;
  border: 1px solid var(--line-strong);
  background: rgba(255,253,246,.34);
}
.research-milestone-date {
  color: var(--red-deep);
  font-family: Georgia, serif;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  gap: 52px;
  align-items: start;
}
.contact-aside {
  position: sticky;
  top: 28px;
  padding: 30px;
  border-left: 5px solid var(--red);
  background: rgba(255,253,246,.25);
}
.contact-aside ul { margin: 18px 0 0; padding-left: 1.25em; }
.contact-form-card {
  padding: 36px;
  border: 1px solid var(--line-strong);
  background: rgba(255,253,246,.48);
  box-shadow: 0 18px 40px rgba(58,46,28,.07);
}
.form-row { margin-bottom: 22px; }
.form-row label {
  display: block;
  margin-bottom: 7px;
  font-size: .88rem;
  font-weight: 700;
}
.required { margin-left: 6px; color: var(--red-deep); font-family: Arial, Helvetica, sans-serif; font-size: .65rem; letter-spacing: .06em; }
input[type="text"], input[type="email"], textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: rgba(255,255,255,.46);
  color: var(--ink);
  padding: 13px 14px;
  outline: none;
}
textarea { min-height: 190px; resize: vertical; }
input:focus, textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(163,63,49,.12); }
.form-help { margin-top: 6px; color: var(--muted); font-size: .76rem; }
.alert { margin-bottom: 24px; padding: 14px 16px; border: 1px solid; font-size: .88rem; }
.alert.success { border-color: #6d846e; background: rgba(96,132,98,.12); color: #304f33; }
.alert.error { border-color: #a85a4e; background: rgba(163,63,49,.08); color: #742e25; }
.hidden-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

/* Footer */
.site-footer { margin-top: 10px; padding: 54px 0 22px; background: var(--green-deep); color: #ded5bf; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; }
.footer-call { color: #fff7e4; font-family: Georgia, serif; font-size: 2.4rem; font-weight: 800; letter-spacing: -.04em; }
.footer-note { max-width: 620px; margin: 10px 0 0; color: #c8bea8; font-size: .82rem; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-links a { color: #eee5cf; font-size: .82rem; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 40px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.15); font-family: Arial, Helvetica, sans-serif; font-size: .64rem; letter-spacing: .08em; }

/* 404 */
.signal-lost { min-height: 58vh; display: grid; place-items: center; text-align: center; padding: 90px 20px; }
.signal-lost .code { display: block; color: var(--red); font-family: Georgia, serif; font-size: clamp(6rem, 18vw, 13rem); line-height: .8; font-weight: 800; letter-spacing: -.07em; }
.signal-lost h1 { margin: 30px 0 12px; font-size: 2rem; }
.signal-line { width: min(420px, 70vw); height: 34px; margin: 24px auto 30px; background: linear-gradient(90deg, transparent 0 5%, var(--green-deep) 5% 6%, transparent 6% 12%, var(--green-deep) 12% 16%, transparent 16% 21%, var(--green-deep) 21% 22%, transparent 22% 29%, var(--red) 29% 33%, transparent 33% 39%, var(--green-deep) 39% 40%, transparent 40% 49%, var(--green-deep) 49% 56%, transparent 56% 62%, var(--green-deep) 62% 63%, transparent 63% 74%, var(--red) 74% 78%, transparent 78% 100%); opacity: .65; }

@media (max-width: 900px) {
  .utility-inner span:nth-child(2) { display: none; }
  .masthead { min-height: 104px; }
  .brand { gap: 12px; }
  .brand-sub { display: none; }
  .menu-button { display: inline-flex; }
  .site-nav { display: none; }
  .site-nav.open { display: block; }
  .nav-inner { flex-direction: column; padding: 8px 20px 14px; }
  .site-nav a, .site-nav a:first-child { min-height: 44px; padding: 0 10px; border: 0; border-bottom: 1px solid var(--line); }
  .site-nav a.active::after { left: 0; right: auto; top: 10px; bottom: 10px; width: 4px; height: auto; }
  .home-hero-grid, .page-hero-grid, .contact-layout { grid-template-columns: 1fr; }
  .home-hero-grid { gap: 38px; }
  .page-stamp { justify-self: start; width: 180px; }
  .fact-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .fact { border-bottom: 1px solid var(--line); }
  .fact:nth-child(2n) { border-right: 0; }
  .fact:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .contact-aside { position: static; }
}

@media (max-width: 620px) {
  .wrap { width: min(calc(100% - 26px), var(--max)); }
  .utility-inner { justify-content: center; }
  .utility-inner span:not(:first-child) { display: none; }
  .masthead { min-height: 92px; }
  .brand-call { font-size: 3.2rem; }
  .header-tools { gap: 10px; }
  .language-switch { font-size: .7rem; }
  .home-hero, .page-hero { padding: 48px 0; }
  .section { padding: 58px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .research-update, .correspondence-card, .evidence-note, .research-milestone { grid-template-columns: 1fr; }
  .research-update { padding: 26px 22px; }
  .research-update-mark { width: 120px; min-height: 96px; font-size: 1.9rem; }
  .correspondence-card, .research-milestone { padding: 24px 22px; }
  .fact-grid { grid-template-columns: 1fr; }
  .fact, .fact:nth-child(2n), .fact:last-child { grid-column: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .fact:last-child { border-bottom: 0; }
  .dial { padding: 23px 20px 20px; }
  .radio-console { padding: 12px; }
  .numbers { font-size: .63rem; }
  .station-id { gap: 6px 12px; }
  .quote-panel, .archive-callout, .contact-form-card { padding: 30px 24px; }
  .timeline-item { grid-template-columns: 1fr; gap: 7px; padding-left: 24px; }
  .source-card { grid-template-columns: 1fr; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; }
}

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

@media (max-width: 680px) {
  .affiliation-inner { align-items: flex-start; flex-direction: column; gap: 5px; padding-top: 9px; padding-bottom: 9px; }
}