:root {
  --bg-deep: #070b14;
  --bg-panel: rgba(10, 16, 28, 0.78);
  --bg-panel-border: rgba(255, 255, 255, 0.08);
  --text-primary: #eef3f8;
  --text-secondary: #9aafc4;
  --text-muted: #5e7390;
  --accent-gold: #e8c068;
  --accent-cyan: #6ec8e8;
  --accent-rose: #d4849a;
  --accent-green: #7ecf9a;
  --danger: #e07070;
  --mood-accent: #6ec8e8;
  --mood-glow: rgba(110, 200, 232, 0.35);
  --grad-a: #050810;
  --grad-b: #0a1628;
  --grad-c: #122a45;
  --font-serif: "Noto Serif JP", "Cormorant Garamond", serif;
  --font-display: "Cormorant Garamond", "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", sans-serif;
  --radius: 16px;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.55);
  --glass-blur: blur(18px);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.8;
}

body { overflow-x: hidden; }

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(ellipse 75% 65% at 50% 45%, transparent 35%, rgba(0, 0, 0, 0.42) 100%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.15), transparent 18%, transparent 82%, rgba(0, 0, 0, 0.25));
  transition: opacity 1s ease;
}

body[data-mood="garden"]::after {
  background:
    radial-gradient(ellipse 75% 65% at 50% 45%, transparent 38%, rgba(4, 12, 8, 0.38) 100%),
    linear-gradient(to bottom, rgba(6, 14, 10, 0.12), transparent 20%, transparent 80%, rgba(4, 10, 8, 0.22));
}

body[data-mood="mars"]::after,
body[data-mood="vow"]::after {
  background:
    radial-gradient(ellipse 70% 60% at 50% 42%, transparent 32%, rgba(20, 8, 6, 0.45) 100%),
    linear-gradient(to bottom, rgba(16, 6, 4, 0.18), transparent 18%, transparent 82%, rgba(12, 4, 4, 0.28));
}

body[data-mood="finale"]::after {
  background:
    radial-gradient(ellipse 80% 70% at 50% 40%, transparent 30%, rgba(12, 8, 20, 0.4) 100%),
    linear-gradient(to bottom, rgba(20, 12, 28, 0.2), transparent 15%, transparent 85%, rgba(8, 4, 16, 0.3));
}

#world3d-wrap {
  position: fixed;
  inset: 0;
  z-index: 1;
}

#world3d-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 80% at 50% 100%, color-mix(in srgb, var(--mood-accent) 12%, transparent), transparent 55%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.28), transparent 22%, transparent 72%, rgba(0, 0, 0, 0.42));
  mix-blend-mode: screen;
  opacity: 0.85;
  transition: opacity 0.35s ease;
}

body.mode-3d #world3d-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  box-shadow:
    inset 0 0 120px rgba(0, 0, 0, 0.55),
    inset 0 28px 80px rgba(0, 0, 0, 0.35);
}

#world3d-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

#world2d-wrap {
  position: fixed;
  inset: 0;
  z-index: 1;
}

#world2d-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 80% at 50% 100%, color-mix(in srgb, var(--mood-accent) 10%, transparent), transparent 55%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.32), transparent 22%, transparent 72%, rgba(0, 0, 0, 0.45));
  opacity: 0.9;
}

body.mode-2d #world2d-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  box-shadow:
    inset 0 0 100px rgba(0, 0, 0, 0.5),
    inset 0 24px 72px rgba(0, 0, 0, 0.35);
}

.world2d-canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
}

body.mode-2d #world2d-wrap::after {
  background:
    radial-gradient(ellipse 100% 80% at 50% 100%, color-mix(in srgb, var(--mood-accent) 8%, transparent), transparent 55%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.35), transparent 22%, transparent 72%, rgba(0, 0, 0, 0.48)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.03) 2px,
      rgba(0, 0, 0, 0.03) 4px
    );
}

.world3d-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.world-label {
  padding: 0.2rem 0.55rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  background: rgba(10, 16, 28, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  white-space: nowrap;
  transform: translate(-50%, -50%);
}

.world-label-landmark {
  color: var(--mood-accent);
  border-color: color-mix(in srgb, var(--mood-accent) 40%, transparent);
}

.world-label-npc {
  font-weight: 500;
  box-shadow: 0 0 16px var(--mood-glow);
}

.world3d-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.world3d-hint {
  position: fixed;
  left: 50%;
  bottom: 4.5rem;
  transform: translateX(-50%);
  z-index: 5;
  padding: 0.35rem 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: rgba(10, 16, 28, 0.72);
  border: 1px solid var(--bg-panel-border);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  pointer-events: none;
  white-space: nowrap;
}

.world3d-hint-near {
  color: var(--mood-accent);
  border-color: color-mix(in srgb, var(--mood-accent) 45%, transparent);
  box-shadow: 0 0 20px var(--mood-glow);
}

.touch-stick {
  position: fixed;
  left: 1.25rem;
  bottom: 5.5rem;
  z-index: 5;
  width: 120px;
  height: 120px;
  touch-action: none;
}

.touch-stick-base {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(10, 16, 28, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.touch-stick-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: color-mix(in srgb, var(--mood-accent) 35%, rgba(10, 16, 28, 0.9));
  border: 1px solid color-mix(in srgb, var(--mood-accent) 50%, transparent);
  box-shadow: 0 0 16px var(--mood-glow);
}

.btn-interact {
  position: fixed;
  right: 1.25rem;
  bottom: 5.5rem;
  z-index: 5;
  padding: 0.55rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-primary);
  background: rgba(10, 16, 28, 0.82);
  border: 1px solid color-mix(in srgb, var(--mood-accent) 45%, transparent);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  cursor: pointer;
  box-shadow: 0 0 20px var(--mood-glow);
}

.btn-interact:hover {
  border-color: var(--mood-accent);
}

.world3d-toast {
  position: fixed;
  top: 5.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  max-width: min(420px, calc(100% - 2rem));
  padding: 0.85rem 1.1rem;
  background: rgba(10, 16, 28, 0.9);
  border: 1px solid color-mix(in srgb, var(--mood-accent) 35%, transparent);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  pointer-events: none;
  animation: toastIn 0.35s ease;
}

.world3d-toast.fade-out {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.world3d-toast strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--mood-accent);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.world3d-toast p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

body.mode-3d #ambient-canvas,
body.mode-3d .ambient-gradient,
body.mode-3d .ambient-rays { opacity: 0.42; }

body.mode-3d #app {
  display: block;
}

body.mode-3d .stage {
  position: fixed;
  inset: 0;
  z-index: 3;
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 0;
  pointer-events: none;
}

body.mode-3d .panel {
  pointer-events: auto;
  position: fixed;
  top: 4.75rem;
  right: 0.75rem;
  bottom: 3.75rem;
  left: auto;
  width: min(380px, 34vw);
  max-height: none;
  height: auto;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: rgba(8, 12, 20, 0.58);
  border-color: color-mix(in srgb, var(--mood-accent) 22%, rgba(255, 255, 255, 0.1));
  box-shadow:
    -12px 0 40px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    -4px 0 32px color-mix(in srgb, var(--mood-glow) 25%, transparent);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

body.mode-3d .panel .panel-inner {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding: 0.85rem 1rem 1rem;
}

body.mode-3d .panel-dock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 2;
  background: linear-gradient(to bottom, rgba(8, 12, 20, 0.92), rgba(8, 12, 20, 0.75));
  backdrop-filter: blur(10px);
}

body.mode-3d .panel-dock-label {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mood-accent);
}

body.mode-3d .btn-panel-focus {
  flex-shrink: 0;
  padding: 0.28rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

body.mode-3d .btn-panel-focus:hover,
body.mode-3d .btn-panel-focus[aria-pressed="true"] {
  color: var(--mood-accent);
  border-color: color-mix(in srgb, var(--mood-accent) 45%, transparent);
  background: color-mix(in srgb, var(--mood-accent) 12%, transparent);
}

body.mode-3d.dialogue-collapsed .panel {
  transform: translateX(calc(100% + 1.25rem));
  opacity: 0;
  pointer-events: none;
}

body.mode-3d.dialogue-collapsed .panel-focus-tab {
  display: flex;
}

.panel-focus-tab {
  display: none;
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  pointer-events: auto;
  writing-mode: vertical-rl;
  padding: 0.85rem 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  background: rgba(8, 12, 20, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  backdrop-filter: blur(12px);
  cursor: pointer;
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.35);
}

.panel-focus-tab:hover {
  color: var(--mood-accent);
  border-color: color-mix(in srgb, var(--mood-accent) 40%, transparent);
}

body.mode-3d .scene-title {
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

body.mode-3d .scene-body {
  font-size: 0.88rem;
  line-height: 1.7;
}

body.mode-3d .scene-body blockquote {
  margin: 0.75rem 0;
  padding-left: 0.85rem;
  font-size: 0.84rem;
}

body.mode-3d .dialogue-block {
  margin: 0.65rem 0;
}

body.mode-3d .scene-choices {
  gap: 0.45rem;
}

body.mode-3d .btn-choice {
  padding: 0.65rem 0.85rem;
  font-size: 0.82rem;
}

body.mode-3d .scene-hero-wrap,
body.mode-3d .system-hero-wrap {
  display: none;
}

body.mode-3d .system-panel .system-hero-wrap {
  display: block;
  height: 88px;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

body.mode-3d .system-panel .scene-hero {
  padding: 0.35rem 0.75rem;
  background:
    radial-gradient(ellipse 80% 100% at 50% 100%, var(--mood-glow), transparent),
    rgba(0, 0, 0, 0.35);
}

body.mode-3d .system-panel .scene-svg-traditional {
  width: min(100%, 320px);
  max-height: 76px;
}

body.mode-3d .sidebar {
  display: none;
}

body.mode-3d .world3d-hint {
  left: auto;
  right: calc(min(380px, 34vw) + 1.5rem);
  transform: none;
  bottom: 4rem;
  max-width: min(280px, 28vw);
  white-space: normal;
  text-align: left;
}

body.mode-3d.dialogue-collapsed .world3d-hint {
  right: auto;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  max-width: min(420px, calc(100% - 2rem));
}

body.mode-3d .touch-stick {
  bottom: 4rem;
}

body.mode-3d .btn-interact {
  bottom: 4rem;
  right: calc(min(380px, 34vw) + 1rem);
}

body.mode-3d.dialogue-collapsed .btn-interact {
  right: 1.25rem;
}

body.mode-3d .panel-dock-bar {
  display: flex;
}

.panel-dock-bar {
  display: none;
}

body.mode-3d .title-screen .panel-dock-bar {
  display: none;
}

body.mode-3d .title-screen .panel {
  position: relative;
  top: auto;
  right: auto;
  bottom: auto;
  width: auto;
  max-width: 880px;
  margin: 1.5rem auto;
  background: var(--bg-panel);
  transform: none;
  opacity: 1;
}

body.mode-3d .title-screen .stage {
  position: relative;
  inset: auto;
  padding: 1.5rem 1.25rem 2.5rem;
  pointer-events: auto;
}

body.mode-3d .title-screen .scene-hero-wrap {
  display: block;
  height: 200px;
}

body.mode-3d .title-screen .scene-hero {
  background:
    radial-gradient(ellipse 80% 90% at 50% 100%, var(--mood-glow), transparent),
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(232, 192, 104, 0.06), transparent),
    rgba(0, 0, 0, 0.28);
}

@media (max-width: 900px) {
  body.mode-3d .panel {
    top: auto;
    right: 0.5rem;
    left: 0.5rem;
    bottom: 3.5rem;
    width: auto;
    max-height: min(38vh, 360px);
  }

  body.mode-3d .world3d-hint {
    right: 0.75rem;
    left: 0.75rem;
    bottom: calc(min(38vh, 360px) + 4rem);
    max-width: none;
    text-align: center;
  }

  body.mode-3d .btn-interact {
    right: 0.75rem;
    bottom: calc(min(38vh, 360px) + 3.5rem);
  }

  body.mode-3d.dialogue-collapsed .panel {
    transform: translateY(calc(100% + 1rem));
  }

  body.mode-3d.dialogue-collapsed .world3d-hint {
    bottom: 4rem;
  }

  body.mode-3d.dialogue-collapsed .btn-interact {
    bottom: 4rem;
  }

  body.mode-3d.dialogue-collapsed .panel-focus-tab {
    top: auto;
    bottom: 3.75rem;
    right: 50%;
    transform: translateX(50%);
    writing-mode: horizontal-tb;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
}

#app {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

#ambient-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.ambient-gradient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 55% at 50% -8%, var(--mood-glow), transparent 58%),
    radial-gradient(ellipse 60% 45% at 100% 100%, rgba(232, 192, 104, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 0% 85%, var(--mood-glow), transparent 52%),
    linear-gradient(165deg, var(--grad-a) 0%, var(--grad-b) 42%, var(--grad-c) 100%);
  transition: background 0.45s ease, opacity 0.35s ease;
  pointer-events: none;
  z-index: 0;
  animation: ambientBreath 10s ease-in-out infinite;
}

.ambient-rays {
  position: fixed;
  inset: -20% 0 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  background:
    conic-gradient(from 210deg at 50% -10%, transparent 0deg, color-mix(in srgb, var(--mood-accent) 14%, transparent) 24deg, transparent 48deg, color-mix(in srgb, var(--mood-accent) 8%, transparent) 72deg, transparent 120deg);
  filter: blur(28px);
  animation: rayDrift 18s ease-in-out infinite;
  transition: opacity 0.35s ease;
}

@keyframes rayDrift {
  0%, 100% { transform: translateX(0) scale(1); opacity: 0.45; }
  50% { transform: translateX(2%) scale(1.03); opacity: 0.65; }
}

.atmosphere-wash {
  position: fixed;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 40%, var(--mood-glow), transparent 62%),
    linear-gradient(180deg, color-mix(in srgb, var(--mood-accent) 22%, transparent), transparent 45%, rgba(0, 0, 0, 0.35));
  transition: opacity 0.2s ease;
}

body.atmosphere-pulse .atmosphere-wash {
  animation: atmosphereFlash 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes atmosphereFlash {
  0% { opacity: 0; }
  12% { opacity: 0.72; }
  100% { opacity: 0; }
}

.atmosphere-card {
  position: fixed;
  inset: 0;
  z-index: 7;
  display: grid;
  place-items: center;
  pointer-events: none;
  padding: 2rem;
}

.atmosphere-card-inner {
  text-align: center;
  animation: atmosphereCardIn 0.72s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.atmosphere-card-intense .atmosphere-card-inner {
  animation-duration: 0.95s;
}

@keyframes atmosphereCardIn {
  0% {
    opacity: 0;
    transform: translateY(18px) scale(0.96);
    filter: blur(8px);
  }
  18% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
  72% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-8px) scale(1.02);
    filter: blur(4px);
  }
}

.atmosphere-card-art {
  width: min(280px, 72vw);
  margin: 0 auto 0.75rem;
  filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 32px var(--mood-glow));
}

.atmosphere-card-art .scene-svg-traditional {
  width: 100%;
  height: auto;
}

.atmosphere-card-location {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mood-accent);
  text-shadow: 0 0 24px var(--mood-glow);
}

.atmosphere-card-title {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--text-primary);
  text-shadow: 0 8px 32px rgba(0, 0, 0, 0.65);
}

.scene-title.scene-enter,
.chapter-tag.scene-enter {
  animation: sceneEnter 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes sceneEnter {
  from {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

body.atmosphere-pulse .panel {
  animation: panelFlash 0.7s ease;
}

@keyframes panelFlash {
  0% { box-shadow: var(--shadow); }
  15% {
    box-shadow:
      var(--shadow),
      0 0 48px color-mix(in srgb, var(--mood-glow) 55%, transparent);
  }
  100% { box-shadow: var(--shadow); }
}

@keyframes ambientBreath {
  0%, 100% { opacity: 1; filter: saturate(1); }
  50% { opacity: 0.92; filter: saturate(1.08); }
}

.grain {
  position: fixed;
  inset: 0;
  opacity: 0.075;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

.hud {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 0.75rem 1rem;
  padding: 0.85rem 1.5rem 0.5rem;
  border-bottom: 1px solid var(--bg-panel-border);
  background: rgba(6, 10, 18, 0.72);
  backdrop-filter: var(--glass-blur);
}

.hud-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--bg-panel-border);
  background: rgba(255, 255, 255, 0.03);
}

.hud-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.hud-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  color: var(--mood-accent);
  font-weight: 500;
  font-size: 0.9rem;
  text-shadow: 0 0 24px var(--mood-glow);
}

.location-pin {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mood-accent);
  box-shadow: 0 0 12px var(--mood-glow);
  animation: pulse 2.5s ease-in-out infinite;
}

.hud-right { text-align: right; }

.trust-chip { color: var(--accent-gold); }

.period-track {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.35rem 0 0.15rem;
}

.period-dot {
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.4s, box-shadow 0.4s, transform 0.4s;
}

.period-dot.past { background: rgba(255, 255, 255, 0.18); }

.period-dot.active {
  background: var(--mood-accent);
  box-shadow: 0 0 12px var(--mood-glow);
  transform: scaleX(1.15);
}

.stage {
  position: relative;
  z-index: 2;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
}

.panel {
  position: relative;
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--bg-panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  animation: panelIn 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  transition: border-color 0.6s ease, box-shadow 0.6s ease;
}

.panel:hover {
  border-color: color-mix(in srgb, var(--mood-accent) 18%, var(--bg-panel-border));
  box-shadow:
    var(--shadow),
    0 0 40px color-mix(in srgb, var(--mood-glow) 35%, transparent);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(145deg, rgba(255,255,255,0.12), transparent 40%, rgba(255,255,255,0.04));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.scene-hero-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  border-bottom: 1px solid var(--bg-panel-border);
  background: linear-gradient(180deg, rgba(244, 236, 216, 0.03), transparent 40%);
}

.scene-hero-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 3px,
    rgba(255, 255, 255, 0.012) 3px,
    rgba(255, 255, 255, 0.012) 4px
  );
  pointer-events: none;
  z-index: 1;
}

.system-hero-wrap { height: 150px; }

.scene-hero {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  background:
    radial-gradient(ellipse 75% 90% at 50% 100%, var(--mood-glow), transparent 65%),
    radial-gradient(ellipse 50% 40% at 50% 20%, rgba(232, 192, 104, 0.04), transparent),
    rgba(0, 0, 0, 0.22);
}

.scene-hero-fade {
  position: absolute;
  inset: auto 0 0 0;
  height: 65%;
  background: linear-gradient(to top, var(--bg-panel), transparent);
  pointer-events: none;
  z-index: 2;
}

.scene-svg {
  width: min(100%, 440px);
  height: auto;
  filter: drop-shadow(0 10px 28px rgba(0, 0, 0, 0.4));
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1), filter 0.6s ease;
}

.panel:not(.title-screen) .scene-hero:hover .scene-svg {
  transform: scale(1.015);
  filter: drop-shadow(0 14px 32px rgba(0, 0, 0, 0.45)) drop-shadow(0 0 24px var(--mood-glow));
}

.scene-svg-traditional {
  filter:
    drop-shadow(0 10px 28px rgba(0, 0, 0, 0.45))
    sepia(0.12)
    contrast(1.04);
}

.spin-slow { animation: spin 28s linear infinite; transform-origin: center; }
.pulse { animation: pulse 3.5s ease-in-out infinite; }
.float { animation: float 5s ease-in-out infinite; }
.delay { animation-delay: 1.2s; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { opacity: 0.65; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.panel-inner { padding: 1.75rem 2rem 2rem; }

.chapter-tag {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mood-accent);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.scene-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.scene-body {
  color: var(--text-secondary);
  font-size: 1.02rem;
}

.scene-body p { margin: 0 0 1.1rem; }
.scene-body p:last-child { margin-bottom: 0; }

.scene-body em {
  color: var(--text-primary);
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.08em;
}

.scene-body strong { color: var(--text-primary); font-weight: 500; }

.scene-body blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.35rem;
  border-left: 2px solid var(--mood-accent);
  border-radius: 0 10px 10px 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.05), transparent);
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.15);
}

.dialogue-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--npc-color, var(--mood-accent)) 25%, transparent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--npc-color, var(--mood-accent)) 8%, transparent), rgba(0,0,0,0.15));
}

.dialogue-block blockquote {
  margin: 0.5rem 0 0;
  padding: 0.75rem 0 0.75rem 1rem;
  border-left-color: var(--npc-color, var(--mood-accent));
  background: transparent;
  box-shadow: none;
  font-size: 1rem;
}

.dialogue-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 0.25rem;
}

.dialogue-name {
  font-weight: 500;
  color: var(--npc-color, var(--mood-accent));
  font-size: 0.9rem;
}

.dialogue-role {
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.speaker-strip {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--npc-color, var(--mood-accent)) 30%, transparent);
  background: color-mix(in srgb, var(--npc-color, var(--mood-accent)) 6%, transparent);
  animation: reveal 0.6s ease forwards;
}

.speaker-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.speaker-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--npc-color, var(--mood-accent));
}

.speaker-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.portrait {
  --portrait-size: 64px;
  width: var(--portrait-size);
  height: var(--portrait-size);
  flex-shrink: 0;
}

.portrait-xs { --portrait-size: 36px; }
.portrait-sm { --portrait-size: 52px; }
.portrait-md { --portrait-size: 64px; }
.portrait-lg { --portrait-size: 80px; }

.portrait-frame {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--npc-color, var(--mood-accent)) 50%, transparent);
  background: radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--npc-color) 20%, transparent), rgba(0,0,0,0.4));
  box-shadow: 0 0 20px color-mix(in srgb, var(--npc-color, var(--mood-accent)) 25%, transparent);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portrait-svg {
  width: 85%;
  height: 85%;
}

.reveal {
  opacity: 0;
  animation: reveal 0.7s ease forwards;
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.scene-choices {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: 10px;
  padding: 0.95rem 1.35rem;
  transition: all 0.25s ease;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "→";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%) translateX(-6px);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  color: var(--mood-accent);
}

.btn:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.btn:active { transform: scale(0.985); }

.btn-primary {
  background: linear-gradient(135deg, color-mix(in srgb, var(--mood-accent) 22%, transparent), rgba(255,255,255,0.03));
  border: 1px solid color-mix(in srgb, var(--mood-accent) 45%, transparent);
  color: var(--text-primary);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  border-color: var(--mood-accent);
  box-shadow: 0 8px 32px var(--mood-glow);
}

.btn-choice {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--bg-panel-border);
  color: var(--text-primary);
  padding-right: 2.5rem;
}

.btn-choice:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: color-mix(in srgb, var(--mood-accent) 35%, transparent);
}

.btn-choice .choice-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.btn-choice .choice-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--bg-panel-border);
  color: var(--text-secondary);
}

.btn-ghost::after { display: none; }

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--mood-accent);
}

.btn-danger {
  border-color: rgba(224, 112, 112, 0.4) !important;
  color: var(--danger) !important;
}

.system-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  padding: 0.3rem 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mood-accent);
  border: 1px solid color-mix(in srgb, var(--mood-accent) 40%, transparent);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
}

.system-header h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--mood-accent);
}

.system-header p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.card-grid { display: grid; gap: 0.75rem; }

.card {
  padding: 1.1rem 1.3rem;
  border-radius: 12px;
  border: 1px solid var(--bg-panel-border);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: all 0.25s ease;
}

.card:hover {
  border-color: color-mix(in srgb, var(--mood-accent) 40%, transparent);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.card.selected {
  border-color: var(--accent-gold);
  background: rgba(232, 192, 104, 0.08);
  box-shadow: 0 0 24px rgba(232, 192, 104, 0.15);
}

.card-locked {
  opacity: 0.45;
  cursor: not-allowed;
}

.card-locked:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--bg-panel-border);
}

.card-title { font-weight: 500; margin-bottom: 0.35rem; }
.card-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }

.conflict-box {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
  margin-bottom: 1.5rem;
}

.conflict-side {
  padding: 1.35rem;
  border-radius: 12px;
  border: 1px solid var(--bg-panel-border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s;
}

.conflict-side:hover {
  border-color: color-mix(in srgb, var(--mood-accent) 30%, transparent);
}

.conflict-side h3 {
  margin: 0 0 0.6rem;
  font-size: 0.88rem;
  color: var(--accent-gold);
  font-family: var(--font-display);
}

.conflict-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  padding: 0 0.25rem;
}

.reason-card {
  padding: 1.1rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--bg-panel-border);
  border-left: 3px solid var(--accent-rose);
  background: rgba(212, 132, 154, 0.06);
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.reason-card-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}

.reason-text {
  color: var(--text-secondary);
  line-height: 1.65;
}

.reason-card:hover {
  background: rgba(212, 132, 154, 0.1);
  transform: translateX(4px);
}

.reason-card.selected {
  border-left-color: var(--accent-gold);
  background: rgba(232, 192, 104, 0.08);
  box-shadow: 0 0 20px rgba(232, 192, 104, 0.1);
}

.reason-card .speaker {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent-rose);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.reason-card .context {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.55rem;
}

.covenant-clause {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}

.covenant-clause:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--bg-panel-border);
}

.covenant-clause input[type="checkbox"] {
  margin-top: 0.35rem;
  width: 16px;
  height: 16px;
  accent-color: var(--accent-gold);
}

.ending-card { text-align: center; padding: 1rem 0; }

.gain-loss {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
  text-align: left;
}

.gain-loss div {
  padding: 1.15rem;
  border-radius: 12px;
  font-size: 0.88rem;
  line-height: 1.6;
}

.gain-loss .gain {
  border: 1px solid rgba(126, 207, 154, 0.35);
  background: linear-gradient(135deg, rgba(126, 207, 154, 0.1), transparent);
}

.gain-loss .loss {
  border: 1px solid rgba(212, 132, 154, 0.35);
  background: linear-gradient(135deg, rgba(212, 132, 154, 0.1), transparent);
}

.sidebar {
  position: fixed;
  right: 1.25rem;
  top: 5.5rem;
  width: 240px;
  z-index: 4;
  font-size: 0.78rem;
  background: var(--bg-panel);
  border: 1px solid var(--bg-panel-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow);
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--mood-accent);
  margin-bottom: 0.75rem;
  letter-spacing: 0.08em;
}

.sidebar details { margin-bottom: 0.65rem; }

.sidebar summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.45rem;
  list-style: none;
}

.sidebar summary::-webkit-details-marker { display: none; }

.sidebar ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.sidebar li em {
  font-style: normal;
  color: var(--mood-accent);
  font-size: 0.68rem;
}

.event-tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-left: 0.35rem;
}

.vow-active { color: var(--text-secondary); }

.footer {
  position: relative;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--bg-panel-border);
  background: rgba(6, 10, 18, 0.72);
  backdrop-filter: var(--glass-blur);
}

.footer-left {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-icon {
  font-size: 0.8rem;
  padding: 0.5rem 0.85rem;
}

.footer-note {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.system-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.sim-lead {
  font-size: 1.05rem;
  color: var(--text-primary);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--bg-panel-border);
  margin-bottom: 1.25rem !important;
}

.sim-grid {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.sim-card {
  padding: 1rem 1.15rem;
  border-radius: 10px;
  border: 1px solid var(--bg-panel-border);
  background: rgba(255, 255, 255, 0.03);
}

.sim-stat {
  font-family: var(--font-display);
  color: var(--accent-gold);
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.sim-detail {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.sim-empty {
  color: var(--text-muted);
  font-style: italic;
}

/* SYS-07 — アトリエ即興 */
.improv-game {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.improv-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.improv-keys {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.improv-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
}

.improv-movement {
  color: var(--mood-accent);
  font-family: var(--font-serif);
}

.improv-beat-count {
  color: var(--text-muted);
}

.improv-stage {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--bg-panel-border);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.improv-target-ring {
  width: 88px;
  height: 88px;
  border: 2px solid var(--mood-accent);
  border-radius: 50%;
  opacity: 0.55;
  box-shadow: 0 0 24px rgba(110, 200, 232, 0.15);
}

.improv-pulse {
  position: absolute;
  width: 88px;
  height: 88px;
  border: 2px solid #f0e6c8;
  border-radius: 50%;
  opacity: 0;
  transform: scale(1.65);
  pointer-events: none;
}

.improv-pulse.improv-pulse-active {
  animation: improvPulseShrink 0.9s linear forwards;
}

@keyframes improvPulseShrink {
  0% {
    opacity: 0.85;
    transform: scale(1.65);
  }
  85% {
    opacity: 0.35;
    transform: scale(1.02);
  }
  100% {
    opacity: 0;
    transform: scale(1);
  }
}

.improv-stage-label {
  position: absolute;
  bottom: 12px;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.improv-stage-label.improv-hit-harmony { color: var(--mood-accent); }
.improv-stage-label.improv-hit-rush { color: #e8a060; }
.improv-stage-label.improv-hit-silence { color: var(--text-muted); }

.improv-meter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.improv-stat b { font-weight: 600; }
.improv-stat.harmony b { color: var(--mood-accent); }
.improv-stat.rush b { color: #e8a060; }

.improv-hit-btn {
  align-self: flex-start;
  min-width: 140px;
}

.improv-skip-btn {
  align-self: flex-start;
  font-size: 0.82rem;
}

.improv-result .improv-signature {
  font-family: ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.improv-meter-final {
  margin: 0.75rem 0 1rem;
}

.improv-once {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 1rem 0;
}

/* SYS-07 — フォージ身体試着 */
.forge-tryon {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.forge-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.forge-silhouette {
  display: flex;
  justify-content: center;
  padding: 0.5rem;
  border: 1px solid var(--bg-panel-border);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
}

.forge-body-svg {
  width: 100px;
  height: auto;
  filter: drop-shadow(0 0 16px var(--mood-glow));
}

.forge-sliders {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.forge-channel {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--bg-panel-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.forge-channel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.forge-channel-label {
  color: var(--mood-accent);
  font-family: var(--font-serif);
  font-size: 0.9rem;
}

.forge-channel-val {
  font-family: ui-monospace, monospace;
  color: var(--accent-gold);
  font-size: 0.85rem;
}

.forge-channel-desc {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.forge-stepper {
  display: flex;
  gap: 0.5rem;
}

.forge-btn {
  min-width: 2.2rem;
  padding: 0.35rem 0.6rem;
  font-size: 1rem;
  line-height: 1;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-panel-border);
  border-radius: 8px;
  cursor: pointer;
}

.forge-btn:hover {
  border-color: var(--mood-accent);
  color: var(--mood-accent);
}

.forge-remaining {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.forge-remaining-warn b { color: #e8a060; }
.forge-remaining-ok b { color: var(--mood-accent); }

.forge-skip-btn {
  align-self: flex-start;
  font-size: 0.82rem;
}

/* SYS-07 — 共同親の輪 */
.coparent-weave {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.coparent-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.coparent-ring {
  position: relative;
  height: 140px;
  margin: 0.5rem 0;
}

.coparent-ring-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mood-accent);
  opacity: 0.7;
}

.coparent-slot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 72px;
  padding: 0.45rem 0.35rem;
  text-align: center;
  border: 1px solid color-mix(in srgb, var(--mood-accent) 35%, transparent);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.25);
  transform:
    translate(-50%, -50%)
    rotate(calc(var(--i) * 120deg))
    translateY(-52px)
    rotate(calc(var(--i) * -120deg));
}

.coparent-slot-name {
  display: block;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.coparent-slot-count {
  display: block;
  font-family: ui-monospace, monospace;
  font-size: 1rem;
  color: var(--accent-gold);
}

.coparent-roles {
  display: grid;
  gap: 0.5rem;
}

.coparent-role-btn {
  width: 100%;
  text-align: left;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--bg-panel-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  color: inherit;
  cursor: pointer;
}

.coparent-role.active .coparent-role-btn {
  border-color: var(--mood-accent);
  background: color-mix(in srgb, var(--mood-accent) 8%, transparent);
}

.coparent-role-label {
  display: block;
  color: var(--mood-accent);
  font-family: var(--font-serif);
}

.coparent-role-desc {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.coparent-assigned {
  display: block;
  font-size: 0.75rem;
  color: var(--accent-gold);
  margin-top: 0.35rem;
}

.coparent-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

.coparent-slots-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.coparent-skip-btn {
  align-self: flex-start;
  font-size: 0.82rem;
}

/* SYS-07 — 競技の一生 */
.arena-life {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.arena-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.arena-bar {
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--bg-panel-border);
  background: rgba(0, 0, 0, 0.3);
}

.arena-seg-mastery { background: var(--mood-accent); opacity: 0.85; }
.arena-seg-others { background: #7ecf9a; opacity: 0.75; }
.arena-seg-retire { background: #e8c878; opacity: 0.75; }

.arena-axes {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.arena-axis {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--bg-panel-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.arena-axis-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.arena-axis-label {
  color: var(--mood-accent);
  font-family: var(--font-serif);
}

.arena-axis-val {
  font-family: ui-monospace, monospace;
  color: var(--accent-gold);
}

.arena-axis-desc {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.arena-stepper {
  display: flex;
  gap: 0.5rem;
}

.arena-btn {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-panel-border);
  border-radius: 8px;
  cursor: pointer;
}

.arena-btn:hover {
  border-color: var(--mood-accent);
  color: var(--mood-accent);
}

.arena-remaining {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.arena-remaining-warn b { color: #e8a060; }
.arena-remaining-ok b { color: var(--mood-accent); }

.arena-skip-btn {
  align-self: flex-start;
  font-size: 0.82rem;
}

/* SYS-07 — 記録しない謝罪 */
.apology-rite {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.apology-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.apology-bar {
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--bg-panel-border);
  background: rgba(0, 0, 0, 0.3);
}

.apology-seg-repair { background: var(--mood-accent); opacity: 0.85; }
.apology-seg-seal { background: #8888c8; opacity: 0.75; }
.apology-seg-reserve { background: #c8a878; opacity: 0.75; }

.apology-axes {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.apology-axis {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--bg-panel-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.apology-axis-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.apology-axis-label {
  color: var(--mood-accent);
  font-family: var(--font-serif);
}

.apology-axis-val {
  font-family: ui-monospace, monospace;
  color: var(--accent-gold);
}

.apology-axis-desc {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.apology-stepper {
  display: flex;
  gap: 0.5rem;
}

.apology-btn {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-panel-border);
  border-radius: 8px;
  cursor: pointer;
}

.apology-btn:hover {
  border-color: var(--mood-accent);
  color: var(--mood-accent);
}

.apology-remaining {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.apology-remaining-warn b { color: #e8a060; }
.apology-remaining-ok b { color: var(--mood-accent); }

.apology-skip-btn {
  align-self: flex-start;
  font-size: 0.82rem;
}

/* SYS-07 — 匿名の境界 */
.anon-gate {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.anon-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.anon-bar {
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--bg-panel-border);
  background: rgba(0, 0, 0, 0.3);
}

.anon-seg-anon { background: var(--mood-accent); opacity: 0.85; }
.anon-seg-open { background: #a8c8e8; opacity: 0.75; }
.anon-seg-border { background: #c8b878; opacity: 0.75; }

.anon-axes {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.anon-axis {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--bg-panel-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.anon-axis-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.anon-axis-label {
  color: var(--mood-accent);
  font-family: var(--font-serif);
}

.anon-axis-val {
  font-family: ui-monospace, monospace;
  color: var(--accent-gold);
}

.anon-axis-desc {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.anon-stepper {
  display: flex;
  gap: 0.5rem;
}

.anon-btn {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-panel-border);
  border-radius: 8px;
  cursor: pointer;
}

.anon-btn:hover {
  border-color: var(--mood-accent);
  color: var(--mood-accent);
}

.anon-remaining {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.anon-remaining-warn b { color: #e8a060; }
.anon-remaining-ok b { color: var(--mood-accent); }

.anon-skip-btn {
  align-self: flex-start;
  font-size: 0.82rem;
}

/* SYS-07 — 老化の季節 */
.aging-season {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.aging-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.aging-bar {
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--bg-panel-border);
  background: rgba(0, 0, 0, 0.3);
}

.aging-seg-finite { background: var(--mood-accent); opacity: 0.85; }
.aging-seg-safety { background: #88b8e8; opacity: 0.75; }
.aging-seg-fair { background: #e8c878; opacity: 0.75; }

.aging-axes {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.aging-axis {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--bg-panel-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.aging-axis-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.aging-axis-label {
  color: var(--mood-accent);
  font-family: var(--font-serif);
}

.aging-axis-val {
  font-family: ui-monospace, monospace;
  color: var(--accent-gold);
}

.aging-axis-desc {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.aging-stepper {
  display: flex;
  gap: 0.5rem;
}

.aging-btn {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-panel-border);
  border-radius: 8px;
  cursor: pointer;
}

.aging-btn:hover {
  border-color: var(--mood-accent);
  color: var(--mood-accent);
}

.aging-remaining {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.aging-remaining-warn b { color: #e8a060; }
.aging-remaining-ok b { color: var(--mood-accent); }

.aging-skip-btn {
  align-self: flex-start;
  font-size: 0.82rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.tag {
  font-size: 0.68rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--bg-panel-border);
  color: var(--text-muted);
  transition: all 0.25s;
}

.tag.active {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(232, 192, 104, 0.08);
  box-shadow: 0 0 16px rgba(232, 192, 104, 0.12);
}

.title-screen .scene-hero-wrap {
  height: clamp(220px, 38vh, 320px);
}

.title-screen .scene-hero {
  animation: titleHeroIn 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes titleHeroIn {
  from {
    opacity: 0;
    transform: scale(1.06);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: scale(1);
    filter: none;
  }
}

body.title-backdrop.mode-3d .title-screen.panel {
  left: 50%;
  right: auto;
  top: 10vh;
  bottom: auto;
  width: min(460px, 92vw);
  max-height: 80vh;
  transform: translateX(-50%);
  background: rgba(8, 12, 20, 0.68);
  border-color: color-mix(in srgb, var(--mood-accent) 28%, rgba(255, 255, 255, 0.12));
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.55),
    0 0 60px color-mix(in srgb, var(--mood-glow) 35%, transparent);
}

body.title-backdrop.mode-3d.dialogue-collapsed .title-screen.panel {
  transform: translateX(-50%);
}

body.title-backdrop.mode-3d .title-screen {
  background: transparent;
}

body.title-backdrop.mode-3d .title-screen .scene-hero-wrap {
  background: linear-gradient(180deg, rgba(8, 12, 20, 0.35), rgba(8, 12, 20, 0.72));
  backdrop-filter: blur(6px);
}

body.title-backdrop.mode-3d .title-screen .scene-hero {
  background:
    radial-gradient(ellipse 80% 90% at 50% 100%, var(--mood-glow), transparent 60%),
    rgba(0, 0, 0, 0.15);
}

.title-screen .scene-title {
  font-size: clamp(2.5rem, 8vw, 3.5rem);
  text-align: center;
  background: linear-gradient(135deg, var(--text-primary), var(--mood-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.title-screen .panel-inner { text-align: center; }
.title-screen .scene-choices { max-width: 280px; margin-left: auto; margin-right: auto; }
.title-screen .btn-primary { text-align: center; }
.title-screen .btn-primary::after { display: none; }

@media (max-width: 1100px) {
  .sidebar { display: none; }
}

@media (max-width: 640px) {
  .panel-inner { padding: 1.35rem 1.15rem 1.5rem; }
  .scene-hero-wrap { height: 150px; }
  .system-hero-wrap { height: 110px; }
  .dialogue-block { grid-template-columns: 1fr; }
  .speaker-strip { flex-direction: column; text-align: center; }
  .conflict-box { grid-template-columns: 1fr; }
  .conflict-divider { padding: 0.5rem 0; }
  .gain-loss { grid-template-columns: 1fr; }
  .hud { grid-template-columns: 1fr; text-align: center; }
  .hud-right { text-align: center; }
  .hud-left, .hud-right { display: flex; justify-content: center; }
}

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