/* Pattern B — Immersive Field */

:root {
  --bg: #0a0b10;
  --text: #f4f2ee;
  --muted: rgba(244, 242, 238, 0.68);
  --line: rgba(244, 242, 238, 0.12);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.14);
  --cyan: #4ed8c7;
  --violet: #a78bfa;
  --pink: #f472b6;
  --accent-warm: #ffb56b;
  --hud-mono: 'JetBrains Mono', ui-monospace, monospace;
  --easing: cubic-bezier(0.2, 0.7, 0.2, 1);
  --sans: 'Noto Sans JP', sans-serif;
  --display: 'Space Grotesk', sans-serif;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.8;
  overflow-x: hidden;
}

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

:focus { outline: none; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.btn:focus-visible {
  outline-offset: 4px;
}

a[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

a[aria-disabled="true"]:hover,
a[aria-disabled="true"]:focus-visible {
  text-decoration: none;
}

.grad {
  background: linear-gradient(120deg, var(--cyan), var(--violet), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hl { color: var(--cyan); }

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem clamp(1.25rem, 4vw, 3rem);
  background: rgba(10, 11, 16, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  display: inline-flex;
  align-items: center;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.logo-svg {
  display: block;
  height: 30px;
  width: auto;
}

.nav-links {
  display: none;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  transition: color 0.2s var(--easing), background 0.2s var(--easing);
}

.nav-links a:hover {
  color: var(--cyan);
  background: rgba(78, 216, 199, 0.08);
}

.nav-tag {
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

a.nav-cta {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s var(--easing), border-color 0.2s var(--easing);
}

.nav-toggle:hover {
  background: rgba(78, 216, 199, 0.1);
  border-color: rgba(78, 216, 199, 0.4);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after,
.nav-toggle-bars > span {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s var(--easing), opacity 0.2s var(--easing), top 0.3s var(--easing);
}

.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars > span { top: 5px; }
.nav-toggle-bars::after { top: 10px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 5px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars > span {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 5px;
  transform: rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0.5rem;
  padding: 5.5rem clamp(1.25rem, 5vw, 2.5rem) 2.5rem;
  background: rgba(10, 11, 16, 0.96);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.3s var(--easing), transform 0.3s var(--easing), visibility 0s linear 0.3s;
  overflow-y: auto;
}

.nav-mobile.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.3s var(--easing), transform 0.3s var(--easing), visibility 0s linear 0s;
}

.nav-mobile a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 0.85rem 1rem;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}

.nav-mobile a::after {
  content: '→';
  color: var(--cyan);
  font-size: 0.95rem;
}

.nav-mobile a:hover,
.nav-mobile a:focus-visible {
  color: var(--cyan);
}

.nav-mobile .nav-mobile-cta {
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  background: linear-gradient(135deg, rgba(78, 216, 199, 0.95), rgba(167, 139, 250, 0.95));
  color: #061026;
  font-weight: 700;
  border-radius: 999px;
  border-bottom: 0;
}

.nav-mobile .nav-mobile-cta::after { color: #061026; }

body.nav-locked { overflow: hidden; }

/* Hero — awakening (real ↔ digital) */
.awakening-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding: 6rem clamp(1.25rem, 4vw, 3rem) 5rem;
  overflow: hidden;
  isolation: isolate;
  cursor: crosshair;
  --mx: 50%;
  --my: 50%;
  --intensity: 0;
  --click-pulse: 0;
}

.hero-photo {
  position: absolute;
  inset: -2%;
  z-index: 0;
  overflow: hidden;
  background: #06070d;
  transform: scale(1.04);
  transition: transform 8s var(--easing);
}

.awakening-hero[data-mode="data"] .hero-photo {
  transform: scale(1.08);
}

.hero-photo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  transition: opacity 1s var(--easing), filter 1s var(--easing), transform 8s var(--easing);
}

.hero-photo-img.is-digital {
  filter: saturate(1) brightness(0.7) contrast(1.08);
  opacity: 1;
  object-position: center 42%;
}

.hero-photo-tone {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(140% 90% at 50% 110%, rgba(10, 11, 16, 0.95) 0%, rgba(10, 11, 16, 0.55) 38%, transparent 80%),
    linear-gradient(180deg, rgba(10, 11, 16, 0.55) 0%, transparent 30%, transparent 55%, rgba(10, 11, 16, 0.9) 100%),
    linear-gradient(90deg, rgba(10, 11, 16, 0.65) 0%, transparent 28%, transparent 72%, rgba(10, 11, 16, 0.45) 100%);
}

.hero-scan {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(circle 320px at var(--mx) var(--my), rgba(78, 216, 199, 0.26) 0%, rgba(167, 139, 250, 0.1) 48%, transparent 72%),
    radial-gradient(circle 80px at var(--mx) var(--my), rgba(255, 255, 255, 0.16) 0%, transparent 70%);
  mix-blend-mode: screen;
  opacity: calc(0.35 + var(--intensity) * 0.65);
  transition: opacity 0.4s var(--easing);
}

.awakening-hero[data-mode="data"] .hero-scan { opacity: 0.85; }

.hero-fx {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  pointer-events: none;
  mix-blend-mode: screen;
}

.hero-reactions,
.hero-labels {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.reaction-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(78, 216, 199, 0.9), 0 0 26px rgba(78, 216, 199, 0.35);
  transform: translate(-50%, -50%);
  animation: reaction-pop 1.6s var(--easing) forwards;
}

.reaction-dot::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid rgba(78, 216, 199, 0.65);
  animation: reaction-ring 1.6s var(--easing) forwards;
}

@keyframes reaction-pop {
  0% { transform: translate(-50%, -50%) scale(0.4); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

@keyframes reaction-ring {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(3.4); opacity: 0; }
}

.ar-label {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.65rem;
  font-family: var(--hud-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(180deg, rgba(8, 14, 28, 0.78), rgba(8, 14, 28, 0.48));
  border: 1px solid rgba(78, 216, 199, 0.45);
  border-radius: 999px;
  transform: translate(8px, -50%);
  white-space: nowrap;
  animation: ar-fade 2.6s var(--easing) forwards;
  box-shadow: 0 0 24px rgba(78, 216, 199, 0.2);
}

.ar-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.ar-label .ar-value { color: var(--cyan); }

@keyframes ar-fade {
  0% { opacity: 0; transform: translate(16px, -50%); }
  15% { opacity: 1; transform: translate(8px, -50%); }
  80% { opacity: 1; }
  100% { opacity: 0; transform: translate(0, -50%); }
}

.hero-data-layer {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.7s var(--easing);
}

.awakening-hero[data-mode="data"] .hero-data-layer { opacity: 1; }

.data-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(78, 216, 199, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 216, 199, 0.16) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 110% at 50% 50%, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(120% 110% at 50% 50%, black 40%, transparent 90%);
  animation: data-grid-pan 18s linear infinite;
}

@keyframes data-grid-pan {
  from { background-position: 0 0, 0 0; }
  to { background-position: 56px 56px, 56px 56px; }
}

.data-points { position: absolute; inset: 0; }

.data-point {
  position: absolute;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.95), rgba(78, 216, 199, 0.4) 60%, transparent 70%);
  box-shadow: 0 0 16px rgba(78, 216, 199, 0.65);
  animation: data-pulse 2.4s ease-in-out infinite;
}

.data-point::after {
  content: attr(data-label);
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--hud-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  color: rgba(180, 220, 255, 0.85);
  white-space: nowrap;
}

@keyframes data-pulse {
  0%, 100% { transform: scale(0.85); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
}

.data-panel {
  position: absolute;
  min-width: 200px;
  padding: 0.9rem 1rem;
  background: linear-gradient(180deg, rgba(8, 16, 32, 0.88), rgba(8, 16, 32, 0.55));
  border: 1px solid rgba(78, 216, 199, 0.35);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-family: var(--hud-mono);
  color: var(--text);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s var(--easing), transform 0.6s var(--easing);
  transition-delay: 0.25s;
}

.awakening-hero[data-mode="data"] .data-panel {
  opacity: 1;
  transform: translateY(0);
}

.data-panel--tl { top: 14%; left: 5vw; }
.data-panel--tr { top: 16%; right: 5vw; }
.data-panel--bl { bottom: 22%; left: 5vw; }
.data-panel--br { bottom: 26%; right: 5vw; }

.data-panel-label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(180, 220, 255, 0.7);
}

.data-panel-value {
  font-size: 2rem;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.data-panel-unit {
  margin-left: 0.25rem;
  font-size: 0.7rem;
  color: var(--muted);
}

.data-bar {
  margin-top: 0.6rem;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.data-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  box-shadow: 0 0 12px rgba(78, 216, 199, 0.6);
  transition: width 1.2s var(--easing) 0.4s;
}

.awakening-hero[data-mode="data"] .data-bar span { width: var(--w, 50%); }

.hero-content {
  position: relative;
  z-index: 10;
  max-width: min(720px, 92vw);
  cursor: default;
}

.hero-headlines {
  position: relative;
  min-height: calc(clamp(8rem, 22vw, 12rem) + 100px);
}

.hero-headline { margin: 0; }

.hero-headline .line {
  display: block;
  white-space: nowrap;
}

.hero-headline .line:not(:last-child) {
  margin-bottom: 0.25em;
}

@media (max-width: 680px) {
  .hero-headline .line { white-space: normal; }
}

.hero-headline--data {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s var(--easing), transform 0.5s var(--easing);
}

.awakening-hero[data-mode="data"] .hero-headline[data-state="real"] {
  opacity: 0;
  transform: translateY(-12px);
}

.awakening-hero[data-mode="data"] .hero-headline--data {
  opacity: 1;
  transform: translateY(0);
}

.awaken-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.95rem 1.5rem 0.95rem 1.35rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, rgba(78, 216, 199, 0.95), rgba(167, 139, 250, 0.95));
  color: #061026;
  border-radius: 999px;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.3s var(--easing), box-shadow 0.3s var(--easing);
  box-shadow: 0 12px 36px rgba(78, 216, 199, 0.3);
}

.awaken-btn::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #061026;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35);
}

.awaken-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(78, 216, 199, 0.45);
}

.awaken-btn-glow {
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.55), transparent 60%);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s var(--easing);
}

.awaken-btn:hover .awaken-btn-glow { opacity: 0.7; }

.awakening-hero[data-mode="data"] .awaken-btn {
  background: linear-gradient(135deg, #0e1830, #1a274d);
  color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(78, 216, 199, 0.45), 0 12px 36px rgba(0, 0, 0, 0.45);
}

.hero-hud {
  position: absolute;
  z-index: 10;
  bottom: 1.25rem;
  left: clamp(1.25rem, 4vw, 3rem);
  right: clamp(1.25rem, 4vw, 3rem);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--hud-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(180, 200, 230, 0.65);
  pointer-events: none;
}

.hud-cell:first-child { color: #ff7a7a; }
.hud-mode { color: var(--cyan); }
.awakening-hero[data-mode="data"] .hud-mode { color: var(--accent-warm); }

.hero-noise {
  position: absolute;
  inset: 0;
  z-index: 11;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/></svg>");
}

.awakening-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 12;
  pointer-events: none;
  background: radial-gradient(circle at var(--mx) var(--my), rgba(255, 255, 255, 0.5), rgba(78, 216, 199, 0.12) 30%, transparent 60%);
  opacity: var(--click-pulse);
  transition: opacity 0.7s var(--easing);
  mix-blend-mode: screen;
}

.kicker {
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin-top: 1.5rem;
  font-size: clamp(0.92rem, 1.6vw, 1.02rem);
  color: var(--muted);
  max-width: 45em;
  line-height: 1.85;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  transition: transform 0.25s ease, background 0.25s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  border-color: transparent;
  color: #0a0b10;
}

.btn-ghost {
  background: var(--glass);
  backdrop-filter: blur(12px);
}

.hero-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.hero-tags li {
  padding: 0.35rem 0.75rem;
  font-family: var(--hud-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(8px);
  color: var(--muted);
  transition: color 0.3s, border-color 0.3s, transform 0.3s var(--easing);
}

.awakening-hero[data-mode="data"] .hero-tags li {
  color: var(--cyan);
  border-color: rgba(78, 216, 199, 0.45);
  transform: translateY(-2px);
}

.scroll-hint {
  position: absolute;
  right: clamp(1.25rem, 4vw, 3rem);
  bottom: 3.5rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--display);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.scroll-hint .line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Interlude */
.interlude {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.inter-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.5) saturate(1.1);
}

.interlude::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 11, 16, 0.5);
}

.inter-text {
  position: relative;
  z-index: 1;
  font-family: var(--display);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 2rem;
}

/* Glass */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
}

/* Sections */
.section {
  padding: clamp(4rem, 10vw, 7rem) clamp(1.25rem, 4vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 0.35rem;
}

.section-subtitle {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.45;
  color: var(--muted);
  margin-bottom: 2rem;
}

.section-lead {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 64em;
  margin-bottom: 2rem;
}

.panel {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.panel p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.quote {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
}

/* Challenges */
.challenge {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: 1.25rem 1.75rem;
  padding: 1.75rem;
  margin-bottom: 1rem;
}

.ch-num {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--violet);
  opacity: 0.8;
}

.ch-label {
  display: block;
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 0.4rem;
}

.challenge h3 {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.challenge p {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 0.65rem;
}

/* Problem */
.problem-to-heading {
  margin-top: 3rem;
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 700;
  text-align: left;
  color: var(--cyan);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.problem-card {
  position: relative;
  padding: 1.5rem 1.5rem 1.75rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
  align-content: start;
  justify-items: center;
  text-align: center;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.45;
}

.problem-tag {
  font-family: var(--hud-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

.problem-tag--to {
  color: var(--cyan);
  margin-top: 0.75rem;
}

.problem-from {
  font-family: var(--hud-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  line-height: 1.55;
}

.problem-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(78, 216, 199, 0.14);
  color: var(--cyan);
  font-family: var(--hud-mono);
  font-size: 0.95rem;
  margin: 0.35rem 0 0;
}

.problem-to {
  font-size: 1.05rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--text);
  margin-top: 0.6rem;
}

/* What — 3D space (case-05 style) */
.category-bg-wrap {
  position: relative;
  background: #020818;
  overflow: hidden;
}

#whatWaveCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.category-bg-wrap .what-space {
  position: relative;
  z-index: 1;
}

.what-space {
  max-width: 1100px;
  overflow: visible;
}

.what-space-head {
  padding: 0 0 2rem;
}

.what-space-head .section-title {
  margin-bottom: 0.35rem;
}

.what-space-head .section-subtitle {
  margin-bottom: 1rem;
}

.what-space-stage {
  position: relative;
  isolation: isolate;
  overflow: visible;
  background: transparent;
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.what-space-stage::before {
  display: none;
}

#whatWaveCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.what-floor { display: none; }

.what-scene {
  position: relative;
  z-index: 10;
}

.what-deck {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.space-card {
  position: relative;
  left: auto;
  top: auto;
  width: auto;
  height: auto;
  margin: 0;
  transform: none !important;
  padding: 1.25rem 1.25rem 2rem;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(8, 14, 28, 0.92), rgba(8, 14, 28, 0.58)),
    radial-gradient(120% 60% at 30% 18%, rgba(78, 216, 199, 0.16), transparent 60%);
  border: 1px solid rgba(160, 200, 240, 0.22);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: default;
  color: var(--text);
}

.space-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 18px;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.14),
    transparent 32%,
    transparent 68%,
    rgba(78, 216, 199, 0.14)
  );
  mix-blend-mode: screen;
  opacity: 0.65;
}

.space-card:hover:not(.work-space-card) {
  border-color: rgba(160, 200, 240, 0.22);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.space-card .num {
  font-family: var(--hud-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: rgba(220, 230, 250, 0.5);
}

.space-card .name {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2.2vw, 1.2rem);
  line-height: 1.25;
  margin-top: 0.35rem;
  text-align: center;
}

.space-card .icon-wrap {
  margin: 0.65rem auto 0.9rem;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(78, 216, 199, 0.16), transparent 62%);
  box-shadow: inset 0 0 0 1px rgba(160, 200, 240, 0.16);
}

.space-card .icon-wrap svg {
  width: 36px;
  height: 36px;
  stroke: var(--cyan);
  fill: none;
  stroke-width: 1.4;
}

.space-card[data-tone="violet"] .icon-wrap svg { stroke: var(--violet); }
.space-card[data-tone="warm"] .icon-wrap svg { stroke: var(--accent-warm); }

.space-card .desc {
  margin-top: 0.55rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--muted);
  text-align: left;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.space-card .tag {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--hud-mono);
  font-size: 0.52rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(220, 230, 250, 0.45);
  text-align: center;
}

.what-space-hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--hud-mono);
  font-size: 0.65rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(220, 230, 250, 0.45);
  pointer-events: none;
}

.what-space-hint .hint-bar {
  width: 28px;
  height: 1px;
  background: var(--cyan);
  position: relative;
  overflow: hidden;
}

.what-space-hint .hint-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.75);
  transform: translateX(-100%);
  animation: what-hint-pulse 1.6s ease-in-out infinite;
}

@keyframes what-hint-pulse {
  0% { transform: translateX(-100%); }
  60% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* Value */
.value-panel { margin-top: 0.5rem; }

.value-list {
  list-style: none;
  margin: 1.5rem 0;
}

.value-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.95rem;
}

.value-list .q {
  color: var(--violet);
  font-family: var(--display);
  font-weight: 700;
  margin-right: 0.5rem;
}

/* CTA */
.cta {
  position: relative;
  max-width: none;
  padding: 0;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.35);
}

.cta-card {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 3rem clamp(1.25rem, 4vw, 3rem);
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
}

.cta-eyebrow {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 0.25rem;
}

.cta-eyebrow-sub {
  margin-bottom: 1.25rem;
}

.cta-title {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1.25rem;
}

.cta-card > p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.75rem;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Tech Stack */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.tech-block {
  padding: 1.5rem;
}

.tech-block h3 {
  font-family: var(--display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.tech-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.tech-block li {
  font-family: var(--hud-mono);
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.tech-block li::before {
  content: '— ';
  color: rgba(78, 216, 199, 0.5);
}

/* Process */
.process-note {
  margin-top: 1.5rem;
  padding: 1.25rem 0;
}

.process-note p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
}

.process-note p + p { margin-top: 0.35rem; }

/* =====================================================
 * Process section — light network background
 * ===================================================== */
.process-bg-wrap {
  position: relative;
  background: #f4f6fb;
  overflow: hidden;
}

#processNetCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.process-bg-wrap .section {
  position: relative;
  z-index: 1;
}

.process-bg-svg {
  display: none;
}

.process-bg-wrap .section-title .grad,
.process-bg-wrap .section-title {
  color: #1a2240;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  -webkit-text-fill-color: unset;
}

.process-bg-wrap .section-lead,
.process-bg-wrap .process-note p {
  color: #3a4460;
}



.process-bg-wrap .process-card-inner {
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(160, 190, 230, 0.5);
  box-shadow: 0 4px 20px rgba(80, 120, 200, 0.1);
}

.process-bg-wrap .process-card-inner h3 {
  color: #3b6fd4;
}

.process-bg-wrap .process-card-inner p {
  color: #4a5570;
}

.process-bg-wrap .process-node-dot {
  border-color: #3b6fd4;
  background: #fff;
  color: #3b6fd4;
  box-shadow: 0 0 14px rgba(59, 111, 212, 0.3);
}

.process-bg-wrap .process-track-bg {
  stroke: rgba(59, 111, 212, 0.15);
}

.process-bg-wrap .process-track-fill {
  stroke: rgba(59, 111, 212, 0.75);
  filter:
    drop-shadow(0 0 3px rgba(59, 111, 212, 1))
    drop-shadow(0 0 10px rgba(59, 111, 212, 0.7))
    drop-shadow(0 0 25px rgba(59, 111, 212, 0.4))
    drop-shadow(0 0 50px rgba(59, 111, 212, 0.2));
}

.process-bg-wrap .process-roles {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(160, 190, 230, 0.4);
}

.process-bg-wrap .process-roles > p {
  color: #3a4460;
}

.process-bg-wrap .role-tags li {
  border-color: rgba(59, 111, 212, 0.3);
  color: #3a4460;
  background: rgba(255, 255, 255, 0.4);
}

/* =====================================================
 * Process — vertical center timeline
 * ===================================================== */
.process-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: stretch;
  margin-top: 3rem;
  padding-bottom: 1rem;
}

.process-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.process-row > .process-step-item {
  min-width: 0;
}

.process-h-arrow {
  justify-self: center;
  width: 28px;
  height: 20px;
  color: #3b6fd4;
  opacity: 0.6;
}

.process-h-arrow svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
  display: block;
}

@media (max-width: 680px) {
  .process-row { grid-template-columns: 1fr; gap: 1.5rem; }
  .process-h-arrow { display: none; }
}

.process-vline { display: none; }

/* 各ステップ */
.process-step-item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.process-step-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.process-node-dot {
  position: absolute;
  top: -10px;
  left: -10px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(59, 111, 212, 0.7);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--hud-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: #3b6fd4;
  z-index: 2;
  transition: box-shadow 0.4s ease;
}

.process-step-item.is-visible .process-node-dot {
  box-shadow: 0 0 14px rgba(59, 111, 212, 0.35);
}

.process-card-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.75rem 2rem 1.5rem;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(160, 190, 230, 0.5);
  border-radius: 24px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(80, 120, 200, 0.08);
  width: 100%;
  white-space: normal;
}

.process-card-inner h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: #3b6fd4;
  white-space: normal;
}

.process-card-inner p {
  font-size: 0.9rem;
  color: #4a5570;
  line-height: 1.6;
  white-space: normal;
}

@media (max-width: 680px) {
  .process-card-inner { width: 100%; padding: 1.25rem 1.5rem; }
  .process-card-inner h3 { font-size: 1.2rem; white-space: normal; }
}


.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.process-step {
  padding: 1.5rem;
}

.process-num {
  font-family: var(--hud-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  display: block;
  margin-bottom: 0.5rem;
}

.process-step h3 {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

.process-roles {
  margin-top: 2rem;
  padding: 1.5rem;
  text-align: center;
}

.process-roles > p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.role-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.role-tags li {
  font-family: var(--hud-mono);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

/* Works (3D Space Deck) */
.works-space-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(55% 45% at 18% 22%, rgba(78, 216, 199, 0.12), transparent 58%),
    radial-gradient(50% 45% at 82% 78%, rgba(167, 139, 250, 0.14), transparent 58%),
    radial-gradient(45% 40% at 50% 50%, rgba(20, 30, 70, 0.35), transparent 72%),
    #050810;
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.work-space-card {
  position: relative;
  left: auto;
  top: auto;
  width: auto;
  height: auto;
  margin: 0;
  transform: none !important;
  padding: 1.25rem 1.25rem 2rem;
  text-align: left;
}

.work-space-card .num {
  text-align: left;
}

.work-space-card .name {
  font-family: var(--display);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  margin-top: 0.45rem;
  text-align: left;
}

.work-space-card .desc {
  margin-top: 0.7rem;
  font-size: 0.875rem;
  line-height: 1.6;
  text-align: left;
  -webkit-line-clamp: 4;
}

.work-space-card .tag {
  display: block;
  margin-top: 0.5rem;
  text-align: left;
}

.works-more {
  margin-top: 2rem;
  text-align: center;
}

/* Footer */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  color: var(--muted);
}

.footer-brand {
  margin-bottom: 0;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-family: var(--display);
  font-weight: 700;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 0;
}

.footer-logo-svg {
  display: block;
  height: 30px;
  width: auto;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  font-family: var(--display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0;
}

.footer-col a:hover,
.footer-col a:focus-visible { color: var(--cyan); }

.footer-bottom {
  display: flex;
  align-items: center;
}

.footer-copy {
  font-family: var(--hud-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}

.footer-back {
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.footer-back:hover { text-decoration: underline; }

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

@media (min-width: 900px) {
  .nav-links { display: flex; }
  a.nav-cta { display: inline-flex; }
  .nav-tag { display: none; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none; }
}

@media (max-width: 899px) {
  .nav-tag { display: none; }
}

@media (max-width: 880px) {
  .awakening-hero { padding-bottom: 7rem; }
  .hero-content { max-width: 100%; }
  .hero-photo-img.is-digital { object-position: 78% 42%; }
  .logo-svg,
  .footer-logo-svg { height: 26px; }
  .data-panel {
    min-width: 0;
    max-width: 44vw;
    padding: 0.7rem 0.8rem;
  }
  .data-panel--bl,
  .data-panel--br { display: none; }
  .data-panel-value { font-size: 1.4rem; }
  .hero-hud { font-size: 0.58rem; }
}

@media (max-width: 980px) {
  .what-deck { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .challenge { grid-template-columns: 1fr; }
  .ch-num { font-size: 1.1rem; }
  .what-deck { gap: 0.85rem; }
  .space-card {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 1.5rem 1.25rem 1.75rem;
  }
  .space-card .desc { -webkit-line-clamp: 4; }
  .work-space-card {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 1.5rem 1.25rem 1.75rem;
  }
  .work-space-card .desc { -webkit-line-clamp: 4; }
}

@media (max-width: 480px) {
  .what-deck { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-photo,
  .hero-photo-img,
  .data-grid,
  .scroll-hint .line,
  .reaction-dot,
  .ar-label,
  .data-point,
  .what-floor,
  .what-space-hint .hint-bar::after {
    animation: none !important;
    transition: none !important;
  }
  .what-deck { transform: none !important; }
}

/* =====================================================
 * Problem section
 * ===================================================== */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.problem-card {
  position: relative;
  padding: 1.5rem 1.5rem 1.75rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
  align-content: start;
  justify-items: center;
  text-align: center;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.45;
}

.problem-tag {
  font-family: var(--hud-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

.problem-tag--to {
  color: var(--cyan);
  margin-top: 0.75rem;
}

.problem-from {
  font-family: var(--hud-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  line-height: 1.55;
}

.problem-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(78, 216, 199, 0.14);
  color: var(--cyan);
  font-family: var(--hud-mono);
  font-size: 0.95rem;
  margin: 0.35rem 0 0;
}

.problem-to {
  font-size: 1.05rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--text);
  margin-top: 0.6rem;
}

/* =====================================================
 * Concept section
 * ===================================================== */
.concept-panel {
  margin-top: 2.5rem;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  gap: 1.1rem;
  max-width: 64em;
}

.concept-panel p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.85;
  font-size: 1rem;
}

.concept-quote {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  line-height: 1.5;
  margin: 0.5rem 0 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, rgba(78, 216, 199, 0.1), transparent);
  color: var(--text);
}

/* =====================================================
 * Value section — light tech background
 * ===================================================== */
.value-bg-wrap {
  position: relative;
  background:
    radial-gradient(ellipse 70% 60% at 20% 50%, rgba(200, 215, 240, 0.55), transparent 70%),
    radial-gradient(ellipse 55% 50% at 80% 30%, rgba(190, 210, 245, 0.4), transparent 65%),
    linear-gradient(160deg, #eef1f7 0%, #f2f4f9 40%, #e8ecf4 100%);
  overflow: hidden;
}

.value-bg-wrap .section-title .grad,
.value-bg-wrap .section-title {
  color: #1a2240;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  -webkit-text-fill-color: unset;
}

.value-bg-wrap .section-lead {
  color: #3a4460;
}

.value-bg-wrap .value-card {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(180, 200, 235, 0.55);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 24px rgba(100, 130, 200, 0.1);
}

.value-bg-wrap .value-card-tag {
  color: #3b6fd4;
}

.value-bg-wrap .value-card h3 {
  color: #3b6fd4;
}

.value-bg-wrap .value-card p {
  color: #4a5570;
}

.value-bg-wrap .value-card::after {
  background: radial-gradient(circle, rgba(80, 140, 220, 0.1), transparent 65%);
}

.value-wave-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
}

/* =====================================================
 * Value cards
 * ===================================================== */
.value-sub {
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  border-top: 1px dashed var(--glass-border);
  padding-top: 1rem;
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.value-card {
  padding: 1.5rem 1.5rem 1.75rem;
  position: relative;
  overflow: hidden;
}

.value-card::after {
  content: '';
  position: absolute;
  inset: -40% -40% auto auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(78, 216, 199, 0.18), transparent 65%);
  pointer-events: none;
}

.value-card-tag {
  font-family: var(--hud-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.value-card h3 {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 0.75rem 0 0.75rem;
  color: var(--cyan);
}

.value-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* =====================================================
 * Use Case
 * ===================================================== */
.usecase-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2.25rem;
  list-style: none;
  padding: 0;
}

.usecase-grid li {
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

.usecase-grid li:hover {
  border-color: rgba(78, 216, 199, 0.55);
  color: var(--text);
  background: rgba(78, 216, 199, 0.08);
}

/* =====================================================
 * Tech: 体験目的別
 * ===================================================== */
.tech-purpose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 2.25rem;
}

.tech-purpose {
  padding: 1.5rem 1.5rem 1.75rem;
}

.tech-purpose-tag {
  font-family: var(--hud-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.tech-purpose h3 {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0.6rem 0 1rem;
}

.tech-purpose ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0;
}

.tech-purpose li {
  font-family: var(--hud-mono);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.04em;
}

.tech-purpose li::before {
  content: '— ';
  color: rgba(78, 216, 199, 0.5);
}