/* ==========================================================================
   NORTHERN UNION — Shared Stylesheet
   Deep-black × ice-blue. Hokkaido terrain meets competitive telemetry.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Zen+Kaku+Gothic+New:wght@500;700;900&family=Noto+Sans+JP:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color */
  --void:        #05070a;   /* base background, near-true black w/ cold cast */
  --surface:     #0b0e13;   /* raised panels */
  --surface-2:   #11151c;   /* raised panels, lighter */
  --line:        #1d232d;   /* hairline borders on dark */
  --ice:         #6fe8ff;   /* primary accent — ice blue */
  --ice-dim:     #2c8fa8;   /* muted accent, secondary strokes */
  --ice-deep:    #123244;   /* accent used as a tint background */
  --frost:       #e9f4f7;   /* primary text on dark */
  --steel:       #8a97a3;   /* secondary text */
  --steel-dim:   #4d5860;   /* tertiary / disabled text */

  /* Type */
  --font-display: 'Zen Kaku Gothic New', 'Rajdhani', sans-serif;
  --font-en:      'Rajdhani', sans-serif;
  --font-body:    'Noto Sans JP', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Layout */
  --max-w: 1200px;
  --pad: clamp(20px, 5vw, 64px);
}

/* ---- Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--void);
  color: var(--frost);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---- Telemetry / coordinate motif ------------------------------------- */
/* Recurring signature: Hokkaido's coordinates rendered as HUD-style
   telemetry, tying every section back to "from the North". */
.telemetry {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ice-dim);
  white-space: nowrap;
}
.telemetry::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--ice);
  border-radius: 50%;
  box-shadow: 0 0 8px 1px var(--ice);
  flex: none;
}

/* ---- Header ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--pad);
  background: linear-gradient(to bottom, rgba(5,7,10,0.85), rgba(5,7,10,0));
  backdrop-filter: blur(6px);
}
.logo {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .mark {
  width: 22px;
  height: 22px;
  flex: none;
  object-fit: contain;
}
.main-nav ul { display: flex; gap: 40px; }
.main-nav a {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--steel);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--ice);
  transition: width 0.25s ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--frost); }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { width: 100%; }
.main-nav a[aria-current="page"] { color: var(--ice); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--frost);
  display: block;
}

/* ---- Hero -------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 140px var(--pad) 100px;
  isolation: isolate;
  overflow: hidden;
}

/* Base atmosphere: black fading to a deep ice tint, like dusk on a snowfield */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 90% 60% at 50% 100%, rgba(44,143,168,0.22), transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(111,232,255,0.08), transparent 60%),
    var(--void);
}

/* Faint digital grid, fused into the terrain */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(111,232,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111,232,255,0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, transparent, black 30%, black 75%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 30%, black 75%, transparent);
}

/* Topographic contour lines — Hokkaido's terrain reduced to an elevation map */
.hero-contours {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

/* Drifting snow, rendered as a slow-moving dot field */
.hero-snow {
  position: absolute;
  inset: -20% -10% -10% -10%;
  z-index: -1;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, rgba(233,244,247,0.6), transparent),
    radial-gradient(1px 1px at 30% 50%, rgba(233,244,247,0.4), transparent),
    radial-gradient(1.5px 1.5px at 55% 15%, rgba(233,244,247,0.5), transparent),
    radial-gradient(1px 1px at 70% 65%, rgba(233,244,247,0.35), transparent),
    radial-gradient(1.5px 1.5px at 85% 35%, rgba(233,244,247,0.55), transparent),
    radial-gradient(1px 1px at 95% 80%, rgba(233,244,247,0.3), transparent),
    radial-gradient(1.5px 1.5px at 20% 85%, rgba(233,244,247,0.45), transparent),
    radial-gradient(1px 1px at 45% 90%, rgba(233,244,247,0.3), transparent);
  background-repeat: repeat;
  background-size: 100% 100%;
  animation: snowdrift 30s linear infinite;
}
@keyframes snowdrift {
  0%   { transform: translateY(0); }
  100% { transform: translateY(6%); }
}

.hero-eyebrow {
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--frost);
  text-wrap: balance;
}
.hero-title .line { display: block; }
.hero-title .accent { color: var(--ice); }

.hero-sub {
  margin-top: 22px;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(13px, 2vw, 17px);
  letter-spacing: 0.28em;
  color: var(--steel);
  text-transform: uppercase;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--steel-dim);
}
.hero-scroll .stem {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, var(--ice), transparent);
  animation: stem-pulse 2.2s ease-in-out infinite;
}
@keyframes stem-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ---- Section scaffolding ------------------------------------------------ */
.section {
  position: relative;
  padding: clamp(72px, 10vw, 140px) var(--pad);
}
.section-inner {
  max-width: var(--max-w);
  margin-inline: auto;
}
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ice-dim);
  margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 42px);
  color: var(--frost);
  letter-spacing: 0.01em;
}

/* ---- Mission ------------------------------------------------------------ */
.mission {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: clamp(48px, 6vw, 72px);
}
.mission-body p {
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 56ch;
}
.mission-body p + p { margin-top: 18px; }
.mission-body strong { color: var(--frost); font-weight: 500; }

/* ---- Featured project banner --------------------------------------------- */
.feature-card {
  position: relative;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 80% 100% at 100% 0%, rgba(111,232,255,0.10), transparent 60%),
    var(--surface);
  border-radius: 4px;
  padding: clamp(32px, 5vw, 64px);
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--ice), transparent 70%);
}
.feature-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}
.feature-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ice);
  border: 1px solid var(--ice-dim);
  padding: 6px 12px;
  border-radius: 999px;
}
.feature-name {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 76px);
  letter-spacing: 0.01em;
  color: var(--frost);
  line-height: 1;
}
.feature-desc {
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 62ch;
  margin-top: 20px;
}
.feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.feature-meta div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.feature-meta .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel-dim);
  text-transform: uppercase;
}
.feature-meta .v {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 15px;
  color: var(--frost);
}
.feature-actions {
  margin-top: 36px;
}

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn-primary {
  background: var(--ice);
  color: var(--void);
  border: 1px solid var(--ice);
}
.btn-primary:hover {
  box-shadow: 0 0 24px -2px rgba(111,232,255,0.6);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--frost);
  border: 1px solid var(--steel-dim);
}
.btn-outline:hover {
  border-color: var(--ice);
  color: var(--ice);
}
.btn-arrow { transition: transform 0.2s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---- Sponsor CTA --------------------------------------------------------- */
.sponsor {
  position: relative;
  background: linear-gradient(180deg, var(--void), var(--ice-deep) 260%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.sponsor::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(111,232,255,0.04) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(111,232,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 100% at 50% 50%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 50% 50%, black, transparent 80%);
}
.sponsor-inner {
  position: relative;
  max-width: 720px;
  margin-inline: auto;
}
.sponsor .eyebrow { justify-content: center; display: flex; }
.sponsor-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 40px);
  color: var(--frost);
}
.sponsor-body {
  margin-top: 20px;
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
}
.sponsor-actions {
  margin-top: 36px;
  display: flex;
  justify-content: center;
}

/* ---- Footer --------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px var(--pad) 40px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-bottom: 32px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel-dim);
  letter-spacing: 0.05em;
}
.footer-links {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel-dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--steel);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--ice); }

.footer-bottom {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom small {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel-dim);
}
.social-links {
  display: flex;
  gap: 18px;
}
.social-links a {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--steel);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.social-links a:hover { color: var(--ice); border-color: var(--ice-dim); }
.social-links svg { width: 16px; height: 16px; }

/* ==========================================================================
   Sub-page hero (ABOUT / PROJECTS / SPONSOR)
   Shares the terrain + grid + snow atmosphere at a shorter height.
   ========================================================================== */
.page-hero {
  position: relative;
  min-height: 46vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 150px var(--pad) 64px;
  isolation: isolate;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 80% 70% at 85% 0%, rgba(111,232,255,0.10), transparent 60%),
    var(--void);
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(111,232,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111,232,255,0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.page-hero-tag { margin-bottom: 22px; }
.page-hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  color: var(--frost);
  letter-spacing: 0.01em;
}
.page-hero-lead {
  margin-top: 18px;
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 60ch;
}

/* ==========================================================================
   Pillar diptych — VISION / MISSION
   ========================================================================== */
.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}
.pillar {
  padding: clamp(48px, 6vw, 84px) clamp(0px, 4vw, 40px);
  position: relative;
}
.pillar + .pillar { border-left: 1px solid var(--line); padding-left: clamp(32px, 5vw, 56px); }
.pillar-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}
.pillar-label .en {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--ice-dim);
}
.pillar-label .rule {
  flex: 1;
  height: 1px;
  background: var(--line);
}
.pillar-statement {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--frost);
  line-height: 1.5;
  max-width: 22ch;
}
.pillar-statement .accent { color: var(--ice); }
.pillar-body {
  margin-top: 22px;
  color: var(--steel);
  font-size: 15px;
  max-width: 46ch;
}

/* ==========================================================================
   VALUE — four-card grid
   ========================================================================== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(32px, 5vw, 56px);
}
.value-card {
  background: var(--surface);
  padding: clamp(28px, 3vw, 36px) clamp(20px, 2.4vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 260px;
  transition: background 0.25s ease;
}
.value-card:hover { background: var(--surface-2); }
.value-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--steel-dim);
}
.value-jp {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  color: var(--ice);
}
.value-en {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}
.value-desc {
  font-size: 14px;
  color: var(--steel);
  line-height: 1.75;
  margin-top: auto;
}

/* ==========================================================================
   ANTI-THESIS — the old assumption, struck through and overturned
   ========================================================================== */
.anti {
  border-top: 1px solid var(--line);
  text-align: center;
}
.anti-old {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--steel-dim);
  text-decoration: line-through;
  text-decoration-color: var(--ice-dim);
  text-decoration-thickness: 2px;
  letter-spacing: 0.02em;
}
.anti-new {
  margin-top: 26px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 46px);
  color: var(--frost);
  line-height: 1.4;
}
.anti-new .accent {
  color: var(--ice);
  text-shadow: 0 0 30px rgba(111,232,255,0.35);
}
.anti-body {
  margin: 28px auto 0;
  max-width: 62ch;
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
}

/* ==========================================================================
   ORIGIN — founder's message
   ========================================================================== */
.origin {
  border-top: 1px solid var(--line);
}
.origin-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}
.origin-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
}
.origin-mark {
  font-family: var(--font-display);
  font-size: clamp(60px, 9vw, 120px);
  line-height: 0.7;
  color: var(--ice-deep);
  -webkit-text-stroke: 1px var(--ice-dim);
  color: transparent;
}
.origin-portrait {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.origin-portrait img {
  width: 168px;
  height: 168px;
  object-fit: contain;
  background: var(--surface);
  border: 1px solid var(--ice-dim);
  border-radius: 4px;
  box-shadow: 0 0 32px -8px rgba(111, 232, 255, 0.35);
}
.origin-portrait figcaption {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--frost);
}
.origin-quote {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  color: var(--frost);
  line-height: 1.5;
}
.origin-quote .accent { color: var(--ice); }
.origin-body {
  margin-top: 24px;
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 64ch;
}
.origin-sign {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--steel-dim);
}

/* ==========================================================================
   LEGAL — disclaimer / policy article layout
   ========================================================================== */
.legal-doc {
  border-top: 1px solid var(--line);
  max-width: 860px;
}
.legal-updated {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel-dim);
  letter-spacing: 0.04em;
  margin-bottom: clamp(32px, 5vw, 56px);
}
.legal-lead {
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 68ch;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.legal-article {
  padding: clamp(28px, 4vw, 40px) 0;
  border-bottom: 1px solid var(--line);
}
.legal-article:first-of-type { padding-top: 0; }
.legal-article-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}
.legal-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ice);
  flex: none;
}
.legal-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--frost);
}
.legal-body {
  color: var(--steel);
  font-size: 15px;
  line-height: 1.85;
  max-width: 70ch;
}
.legal-body p + p { margin-top: 14px; }
.legal-body ul {
  margin-top: 12px;
  padding-left: 20px;
  list-style: disc;
}
.legal-body li { margin-top: 8px; }
.legal-body li::marker { color: var(--ice-dim); }

/* ==========================================================================
   PARTNERS page — compact hero, concept lead, synergy grid
   ========================================================================== */
.hero--compact {
  min-height: 74svh;
  padding-top: 160px;
}

.anti-lead {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 26px);
  color: var(--frost);
  margin-bottom: 26px;
}

.synergy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(32px, 5vw, 56px);
}
.synergy-card {
  background: var(--surface);
  padding: clamp(32px, 3.4vw, 40px) clamp(24px, 2.6vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.25s ease;
}
.synergy-card:hover { background: var(--surface-2); }
.synergy-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--steel-dim);
}
.synergy-en {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 24px);
  letter-spacing: 0.02em;
  color: var(--ice);
  margin: 0;
}
.synergy-jp {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--frost);
  margin-top: -8px;
}
.synergy-desc {
  font-size: 14px;
  color: var(--steel);
  line-height: 1.75;
  margin-top: auto;
}

.closing-note {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel-dim);
  max-width: 62ch;
  margin-inline: auto;
}

/* ==========================================================================
   MEMBERS — division roster grid with glow-on-hover member cards
   ========================================================================== */
.division-intro {
  margin-top: 18px;
  color: var(--steel);
  font-size: clamp(14px, 1.5vw, 16px);
  max-width: 62ch;
}
.members-grid {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(32px, 5vw, 48px);
}
.member-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  flex: 1 1 220px;
  max-width: 260px;
  text-align: center;
  padding: 36px 24px 30px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 4px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
.member-card:hover,
.member-card:focus-visible {
  transform: translateY(-6px);
  border-color: var(--ice-dim);
  background: var(--surface-2);
  box-shadow: 0 18px 44px -16px rgba(111, 232, 255, 0.45);
}
.member-avatar {
  position: relative;
  width: 116px;
  height: 116px;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background:
    radial-gradient(ellipse 90% 70% at 50% 10%, rgba(111,232,255,0.16), transparent 65%),
    linear-gradient(160deg, var(--surface-2), var(--void));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.35s ease, filter 0.35s ease;
}
.member-card:hover .member-avatar,
.member-card:focus-visible .member-avatar {
  transform: scale(1.08);
  filter: drop-shadow(0 0 20px rgba(111, 232, 255, 0.6));
}
.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.member-tag {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--ice-dim);
  transition: color 0.3s ease;
}
.member-card:hover .member-tag,
.member-card:focus-visible .member-tag { color: var(--ice); }
.member-name {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--frost);
  text-transform: uppercase;
  transition: color 0.3s ease;
}
.member-card:hover .member-name,
.member-card:focus-visible .member-name { color: var(--ice); }
.member-role {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel-dim);
  text-transform: uppercase;
}
.member-content {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}
.division {
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   NEWS — update list, shared by the homepage preview and the full news page
   ========================================================================== */
.news-list {
  border-top: 1px solid var(--line);
  margin-top: clamp(28px, 4vw, 44px);
}
.news-item {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
  align-items: baseline;
  flex-wrap: wrap;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.news-item:last-child { border-bottom: none; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
  width: 190px;
}
.news-date {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel-dim);
  white-space: nowrap;
}
.news-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ice);
  border: 1px solid var(--ice-dim);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.news-body { flex: 1 1 280px; }
.news-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--frost);
  transition: color 0.2s ease;
}
a.news-item:hover .news-title { color: var(--ice); }
.news-cta { margin-top: clamp(28px, 4vw, 40px); }

/* ==========================================================================
   PROFILE — individual member page (reuses member-avatar / feature-meta)
   ========================================================================== */
.profile-avatar-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.member-avatar.avatar-lg {
  width: 180px;
  height: 180px;
}
.profile-comment {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}
.profile-comment .k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-dim);
  margin-bottom: 14px;
}
.profile-comment p {
  color: var(--steel);
  font-size: 15px;
  line-height: 1.85;
  max-width: 64ch;
}
.profile-actions { margin-top: clamp(32px, 5vw, 48px); }

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex;
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 200;
    background: var(--void);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    padding: 100px 20px 40px;
  }
  .main-nav.open ul { flex-direction: column; align-items: center; gap: 32px; }
  .main-nav.open a { font-size: 20px; }

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

  .feature-top { flex-direction: column; align-items: flex-start; }
  .feature-meta { gap: 20px 28px; }

  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .pillars { grid-template-columns: 1fr; }
  .pillar + .pillar { border-left: none; border-top: 1px solid var(--line); padding-left: 0; }
  .pillar-statement, .pillar-body { max-width: none; }

  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .synergy-grid { grid-template-columns: 1fr; }
  .news-meta { width: 100%; margin-bottom: 4px; }

  .origin-inner { grid-template-columns: 1fr; }
  .origin-mark { display: none; }
  .origin-side { flex-direction: row; align-items: center; gap: 20px; margin-bottom: 28px; }
  .origin-portrait img { width: 96px; height: 96px; }
}

@media (max-width: 560px) {
  .value-grid { grid-template-columns: 1fr; }
  .member-card { flex: 1 1 100%; max-width: none; }
}