@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-strong: #f0f5fb;
  --ink: #0f2137;
  --ink-soft: #30465f;
  --ink-muted: #5c7088;
  --line: #d2dbe8;

  --brand-navy: #0c2d57;
  --brand-blue: #1e5da5;
  --brand-cyan: #0f8cab;

  --connect: #1d4f91;
  --expand: #0b7f89;
  --secure: #197146;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-1: 0 6px 20px rgba(15, 33, 55, 0.08);
  --shadow-2: 0 18px 42px rgba(15, 33, 55, 0.15);

  --section-max: 1200px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --font-head: 'IBM Plex Sans', 'Helvetica Neue', 'Arial', sans-serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', 'Arial', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: radial-gradient(circle at top right, #e5effd 0%, #f7faff 38%, #f4f7fb 100%);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-blue);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--brand-navy);
}

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

*:focus-visible {
  outline: 2px solid #0f8cab;
  outline-offset: 3px;
  border-radius: 6px;
}

.nict-header {
  position: relative;
  z-index: 110;
  background: rgba(7, 22, 41, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
}

.header_inner {
  max-width: var(--section-max);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6) var(--space-4);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-2) var(--space-8);
  align-items: center;
}

.header_logo {
  grid-row: 1 / 3;
}

.header_logo img {
  width: 160px;
  height: auto;
}

.header-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-6);
}

.utility_menu ul,
.global_navi ul,
.mwc-page-nav ul,
.footer-links,
.contact-grid,
.triad-grid {
  list-style: none;
  margin: 0;
  padding: 0;
}

.utility_menu ul {
  display: flex;
  gap: var(--space-4);
}

.utility_menu a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.utility_menu a:hover {
  color: #ffffff;
}

.language-tag {
  margin: 0;
  padding: 0.32rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  color: #e8f2ff;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.global_navi {
  grid-column: 2;
}

.global_navi ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  justify-content: flex-end;
}

.global_navi a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-size: 0.83rem;
  white-space: nowrap;
}

.global_navi a:hover {
  color: #ffffff;
}

.mwc-page-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 45, 87, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.mwc-page-nav-inner {
  max-width: var(--section-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.mwc-page-nav ul {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-6);
  min-height: 46px;
}

.mwc-page-nav a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.87rem;
  letter-spacing: 0.03em;
}

.mwc-page-nav a:hover {
  color: #ffffff;
}

.mwc2026-main {
  padding-bottom: var(--space-20);
}

.mwc-hero {
  position: relative;
  min-height: clamp(640px, 82vh, 920px);
  color: #fff;
  background: #0d2c52;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  max-width: var(--section-max);
  margin: 0 auto;
  padding: clamp(7rem, 12vw, 11rem) var(--space-6) clamp(5rem, 10vw, 8rem);
}

.eyebrow {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(233, 243, 255, 0.88);
}

.hero-title {
  margin: var(--space-4) 0 var(--space-4);
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.45rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.13;
}

.hero-concept-title {
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.32rem);
  color: #cae4ff;
  font-weight: 600;
}

.hero-concept-keywords {
  margin: var(--space-3) 0 0;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  color: #8cd4ea;
}

.hero-subtitle {
  margin: var(--space-8) 0 0;
  max-width: 68ch;
  font-size: clamp(1rem, 1.9vw, 1.18rem);
  color: rgba(238, 246, 255, 0.92);
}

.hero-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-8);
  margin-top: var(--space-8);
  font-size: 0.92rem;
  color: #dbeaff;
}

.section-shell {
  max-width: var(--section-max);
  margin: var(--space-12) auto 0;
  padding: 0 var(--space-6);
}

.section-head {
  margin-bottom: var(--space-8);
}

.section-kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.section-head h2 {
  margin: var(--space-3) 0 var(--space-3);
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1.18;
  color: var(--brand-navy);
}

.section-lead {
  margin: 0;
  max-width: 64ch;
  color: var(--ink-soft);
  font-size: 1.03rem;
}

.message-grid,
.concept-layout {
  display: grid;
  gap: var(--space-8);
}

.message-grid {
  grid-template-columns: 1.1fr 1fr;
}

.media-panel {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  min-height: 280px;
  background: var(--surface-strong);
}

.media-panel iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  min-height: 100%;
}

.media-fallback {
  height: 100%;
  padding: var(--space-10);
  display: grid;
  place-content: center;
  text-align: left;
  gap: var(--space-3);
  background:
    linear-gradient(140deg, #f0f5fb 0%, #e4edf8 100%);
}

.media-fallback p {
  margin: 0;
}

.fallback-sub {
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.copy-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-1);
}

.copy-panel p {
  margin: 0 0 var(--space-4);
  color: var(--ink-soft);
}

.copy-panel p:last-child {
  margin-bottom: 0;
}

.signature {
  font-weight: 600;
  color: var(--ink);
}

/* =============================================
   Message Hero (full-bleed background image)
   ============================================= */
.message-hero {
  position: relative;
  padding: var(--space-16) 0;
  margin-bottom: 0;
  overflow: hidden;
}

.message-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.message-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 46, 0.65) 0%, rgba(10, 10, 46, 0.5) 50%, rgba(10, 10, 46, 0.7) 100%);
}

.message-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--section-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.message-hero .section-kicker,
.message-hero-kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.message-hero .section-head h2,
.message-hero-heading {
  margin: var(--space-3) 0 var(--space-3);
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  font-weight: 700;
  line-height: 1.18;
  color: #fff;
}

/* Override grid cards inside message-hero */
.message-hero .media-panel {
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.message-hero .message-hero-body {
  background: none;
  border: none;
  box-shadow: none;
  padding: var(--space-2) 0;
}

.message-hero .message-hero-body p {
  margin: 0 0 var(--space-4);
  font-size: 1.03rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.message-hero .message-hero-body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .message-hero {
    padding: var(--space-12) 0;
  }
}

.concept-section {
  position: relative;
  overflow: hidden;
  max-width: none;
  margin: -1px 0 0;
  padding: var(--space-16) var(--space-6);
  color: var(--ink);
}

.concept-section .section-kicker {
  color: var(--ink-muted);
}

.concept-section .section-head h2 {
  color: var(--brand-navy);
}

.concept-section + .section-shell {
  margin-top: var(--space-12);
}

.concept-section > *:not(.concept-background) {
  position: relative;
  z-index: 1;
  max-width: var(--section-max);
  margin-left: auto;
  margin-right: auto;
}

.concept-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.concept-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}



.concept-booth-wrap {
  position: relative;
  margin: var(--space-8) 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.concept-booth-figure {
  margin: 0;
}

.concept-booth-figure img {
  width: 100%;
  height: auto;
  display: block;
}

/* Hotspot buttons on booth image */
.concept-hotspots {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.concept-hotspot {
  position: absolute;
}

/* Position each hotspot — equal spacing, same height */
.concept-hotspot[data-theme='expand'] {
  left: 20%;
  top: 35%;
}

.concept-hotspot[data-theme='secure'] {
  left: 42%;
  top: 35%;
}

.concept-hotspot[data-theme='connect'] {
  left: 64%;
  top: 35%;
}

.concept-hotspot-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 160px;
  padding: var(--space-3) 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: #0f2137;
  border-radius: 100px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  animation: hotspot-glow 2.5s ease-in-out infinite;
}

@keyframes hotspot-glow {
  0%, 100% { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), 0 0 0 3px rgba(255, 255, 255, 0.5); }
  50% { box-shadow: 0 4px 28px rgba(0, 0, 0, 0.3), 0 0 0 6px rgba(255, 255, 255, 0.3), 0 0 24px rgba(255, 255, 255, 0.2); }
}

.concept-hotspot-btn::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.concept-hotspot-btn[data-theme='connect'] {
  background: #4da3ff;
}

.concept-hotspot-btn[data-theme='connect']::before {
  background: #0f2137;
}

.concept-hotspot-btn[data-theme='expand'] {
  background: #2ee8d5;
}

.concept-hotspot-btn[data-theme='expand']::before {
  background: #0f2137;
}

.concept-hotspot-btn[data-theme='secure'] {
  background: #5eed9e;
}

.concept-hotspot-btn[data-theme='secure']::before {
  background: #0f2137;
}

.concept-hotspot-btn:hover {
  transform: scale(1.08);
  animation: none;
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.4), 0 0 0 4px rgba(255, 255, 255, 0.45), 0 0 30px rgba(255, 255, 255, 0.15);
}

/* Mobile: dot markers on image */
.concept-markers {
  display: none;
}

/* Mobile: button list below image */
.concept-btn-list {
  display: none;
}

/* Card tooltip on hover */
.concept-hotspot-card {
  position: absolute;
  top: calc(100% + var(--space-4));
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 280px;
  padding: var(--space-6);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.08);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.concept-hotspot-card::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-bottom-color: #fff;
}

.concept-hotspot:hover .concept-hotspot-card {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.concept-hotspot-card h3 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand-navy);
}

.concept-hotspot-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* Themes wrapper with full-bleed background */
.themes-wrapper {
  position: relative;
  overflow: hidden;
  padding: var(--space-16) var(--space-6);
}

.themes-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.themes-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.themes-wrapper .theme-section {
  position: relative;
  z-index: 1;
  max-width: var(--section-max);
  margin-left: auto;
  margin-right: auto;
}

.theme-section {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--line);
}

.theme-section:first-of-type {
  margin-top: 0;
  border-top: none;
}

.theme-section[data-theme='connect'] .section-head h2 {
  color: var(--connect);
}

.theme-section[data-theme='expand'] .section-head h2 {
  color: var(--expand);
}

.theme-section[data-theme='secure'] .section-head h2 {
  color: var(--secure);
}

.section-question {
  margin: 0 0 var(--space-3);
  font-family: var(--font-head);
  font-size: 1.16rem;
  line-height: 1.35;
  color: var(--ink);
}

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

.showcase-item {
  padding: var(--space-4) 0;
}

.showcase-item:first-child {
  padding-top: 0;
}

.showcase-item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--brand-navy);
}

.showcase-item h3 a {
  color: var(--brand-blue);
  text-decoration: none;
}

.showcase-item h3 a::after {
  content: ' \2192';
  font-size: 0.85em;
  display: inline-block;
  margin-left: 0.3em;
  transition: transform 0.2s ease;
}

.showcase-item h3 a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.showcase-item h3 a:hover::after {
  transform: translateX(4px);
}

.showcase-item p {
  margin: var(--space-2) 0 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.pending-tag,
.detail-link {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-5);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.4rem 0.72rem;
  border-radius: 999px;
}

.pending-tag {
  color: var(--ink-muted);
  background: #edf2f8;
  border: 1px solid #ced9e7;
}

.detail-link {
  color: #ffffff;
  text-decoration: none;
  background: var(--brand-blue);
  border: 1px solid var(--brand-blue);
}

.detail-link:hover {
  background: var(--brand-navy);
}

.program-summary {
  margin-bottom: var(--space-6);
}

.program-list {
  display: grid;
  gap: var(--space-3);
}

.program-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
}

.program-trigger {
  width: 100%;
  border: 0;
  margin: 0;
  padding: var(--space-5) var(--space-6);
  background: transparent;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-head);
}

.program-trigger::after {
  content: '+';
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.22rem;
  color: var(--brand-blue);
}

.program-trigger[aria-expanded='true']::after {
  content: '−';
}

.program-note {
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.program-panel {
  padding: 0 var(--space-6) var(--space-5);
}

.program-panel p {
  margin: 0;
  color: var(--ink-soft);
}

.overview-hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: -1px;
}

.overview-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.overview-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 18, 42, 0.88) 0%, rgba(5, 18, 42, 0.6) 50%, transparent 100%);
}

.overview-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.overview-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--section-max);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
  width: 100%;
}

.overview-kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.overview-heading {
  margin: var(--space-2) 0 var(--space-8);
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  font-weight: 700;
  line-height: 1.18;
  color: #fff;
}

.overview-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin: 0;
}

.overview-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.overview-term {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

.overview-desc {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
}

.overview-cta {
  display: inline-block;
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--brand-blue);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.overview-cta:hover {
  background: #1a6fbf;
  border-color: rgba(255, 255, 255, 0.6);
}

.overview-note {
  margin: var(--space-3) 0 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.contact-unified {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-1);
}

.contact-lead {
  margin: 0 0 var(--space-4);
  font-size: 1.03rem;
  color: var(--ink-soft);
}

.contact-dept-name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--brand-navy);
}

.contact-email {
  margin: var(--space-2) 0 0;
  font-weight: 600;
}

.contact-linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  font-size: 0.9rem;
  font-weight: 600;
  color: #0a66c2;
  text-decoration: none;
  border: 1px solid #0a66c2;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease, color 0.2s ease;
}

.contact-linkedin:hover {
  background: #0a66c2;
  color: #fff;
}

.linkedin-icon {
  width: 18px;
  height: 18px;
}

.mwc-footer {
  margin-top: var(--space-16);
  background: #0a2443;
  color: rgba(255, 255, 255, 0.9);
}

.footer-inner {
  max-width: var(--section-max);
  margin: 0 auto;
  padding: var(--space-10) var(--space-6);
}

.footer-logo img {
  width: 156px;
}

.footer-source {
  margin: var(--space-4) 0 0;
  color: rgba(227, 238, 255, 0.78);
  font-size: 0.82rem;
}

.footer-links {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.footer-links a {
  color: #d7e9ff;
  text-decoration: none;
  font-size: 0.9rem;
}

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

.footer-copyright {
  margin-top: var(--space-6);
  color: rgba(227, 238, 255, 0.7);
  font-size: 0.82rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

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

@media (max-width: 1100px) {
  .message-grid,
  .concept-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .header_inner {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto;
    gap: var(--space-2) var(--space-4);
    align-items: center;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .header_logo,
  .global_navi,
  .header-right {
    grid-row: auto;
  }

  .header_logo img {
    width: 132px;
  }

  .global_navi {
    display: none;
  }

  .utility_menu {
    display: none;
  }

  .header-right {
    justify-content: flex-end;
  }

  .mwc-page-nav ul {
    overflow-x: auto;
    white-space: nowrap;
    gap: var(--space-4);
    justify-content: flex-end;
    min-height: 42px;
  }

  .section-shell {
    margin-top: var(--space-10);
  }

  .concept-section {
    margin: -1px 0 0;
  }
}

@media (max-width: 640px) {
  .hero-content {
    padding-top: 4.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-head h2 {
    font-size: 1.62rem;
  }

  .copy-panel {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .concept-hotspots {
    display: none;
  }

  .concept-markers {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 2;
  }

  .concept-marker-wrap {
    position: absolute;
  }

  .concept-marker-wrap[data-theme='expand'] {
    left: 24%;
    top: 25%;
  }

  .concept-marker-wrap[data-theme='secure'] {
    left: 48%;
    top: 25%;
  }

  .concept-marker-wrap[data-theme='connect'] {
    left: 72%;
    top: 25%;
  }

  .concept-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    animation: hotspot-glow 2.5s ease-in-out infinite;
    cursor: pointer;
    padding: 0;
    -webkit-appearance: none;
    appearance: none;
  }

  .concept-marker[data-theme='expand'] {
    background: #2ee8d5;
  }

  .concept-marker[data-theme='secure'] {
    background: #5eed9e;
  }

  .concept-marker[data-theme='connect'] {
    background: #4da3ff;
  }

  .concept-marker-card {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    width: 170px;
    padding: var(--space-3);
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    z-index: 10;
  }

  .concept-marker-card::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-bottom-color: #fff;
  }

  .concept-marker-wrap.is-active .concept-marker-card {
    display: block;
  }

  .concept-marker-card h3 {
    margin: 0 0 var(--space-1);
    font-family: var(--font-head);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--brand-navy);
  }

  .concept-marker-card p {
    margin: 0;
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--ink-soft);
  }

  .concept-btn-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
  }

  .concept-btn-list-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) 0;
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    color: #0f2137;
    border-radius: 100px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), 0 0 0 3px rgba(255, 255, 255, 0.5);
  }

  .concept-btn-list-item[data-theme='connect'] {
    background: #4da3ff;
  }

  .concept-btn-list-item[data-theme='expand'] {
    background: #2ee8d5;
  }

  .concept-btn-list-item[data-theme='secure'] {
    background: #5eed9e;
  }

  .concept-btn-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #0f2137;
    flex-shrink: 0;
  }

  .concept-hotspot-card {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}