:root {
  --bg-primary: #07090D;
  --bg-secondary: #0D1118;
  --bg-card: #121722;
  --bg-card-hover: #171E2B;

  --text-primary: #F5F7FA;
  --text-secondary: #A4ADBC;
  --text-muted: #70798A;

  --border: rgba(255, 255, 255, 0.12);

  --brand-color: #04F9FC;
  --brand-rgb: 4, 249, 252;
  --brand-soft: rgba(4, 249, 252, 0.12);
  --brand-border: rgba(4, 249, 252, 0.45);
  --brand-glow: rgba(4, 249, 252, 0.28);
  --brand-highlight: #B8FFFF;
  --brand-deep: #008F96;

  --ink: var(--bg-primary);
  --ink-soft: var(--bg-card);
  --cream: var(--text-primary);
  --cream-dim: var(--text-secondary);
  --line-dark: var(--border);
  --line-light: var(--border);
  --radius: 22px;
  --page: min(92vw, 1440px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text-primary);
  background: var(--bg-primary);
  color-scheme: dark;
  font-family: Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::selection { color: var(--bg-primary); background: var(--brand-color); }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
svg { display: block; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
:where(a, button, [tabindex]):focus-visible { outline: 2px solid var(--brand-color); outline-offset: 4px; }
html { scrollbar-color: var(--brand-border) var(--bg-secondary); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--brand-border); border: 2px solid var(--bg-secondary); }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 100; padding: 12px 18px; color: var(--bg-primary); background: var(--brand-color); text-decoration: none; font-weight: 700; transition: top .2s; }
.skip-link:focus { top: 18px; }
.hero-video-section { position: relative; width: 100%; height: 100vh; min-height: 660px; overflow: hidden; color: #fff; background: #071326; isolation: isolate; }
.hero-video { position: absolute; z-index: 1; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-video-mask {
  position: absolute; z-index: 2; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(3, 9, 20, .58) 0%, rgba(3, 9, 20, .26) 30%, transparent 62%),
    linear-gradient(0deg, rgba(3, 9, 20, .64) 0%, rgba(3, 9, 20, .18) 35%, transparent 64%),
    linear-gradient(180deg, rgba(3, 9, 20, .2) 0%, transparent 24%);
}
/* Body-level navigation stays above the hero's isolated video layers. */
.joyboy-project-nav { position: fixed; z-index: 90; top: 10px; left: 4vw; right: 4vw; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; color: #fff; pointer-events: none; }
.hero-brand { margin: 0; font-size: 10px; font-weight: 700; line-height: 12px; letter-spacing: .18em; }
.joyboy-home-link { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; min-height: 44px; color: #fff; font-size: 13px; line-height: 1.5; font-weight: 600; white-space: nowrap; text-decoration: none; text-shadow: 0 1px 6px rgba(0, 0, 0, .8); pointer-events: auto; transition: color 200ms ease; }
.joyboy-home-link:hover, .joyboy-home-link:focus-visible { color: var(--brand-color); }
.hero-details { position: absolute; z-index: 3; left: 4vw; bottom: clamp(26px, 7vh, 72px); width: min(430px, 36vw); }
.hero-stage-label { margin: 0 0 10px; font-size: 10px; font-weight: 700; letter-spacing: .17em; }
.hero-details h1 { margin: 0; font-family: Impact, "Arial Narrow", sans-serif; font-size: clamp(58px, 7vw, 108px); font-weight: 900; line-height: .84; letter-spacing: -.035em; }
.hero-subtitle { margin: 13px 0 0; font-size: clamp(16px, 1.55vw, 24px); font-weight: 800; letter-spacing: .025em; }
.hero-description-cn { max-width: 390px; margin: 14px 0 0; font-size: 12px; font-weight: 500; letter-spacing: .03em; line-height: 1.65; }
.hero-case-link { position: absolute; z-index: 3; right: 4vw; bottom: clamp(30px, 7vh, 72px); display: flex; align-items: center; gap: 12px; font-family: Impact, "Arial Narrow", sans-serif; font-size: clamp(24px, 3.7vw, 54px); line-height: 1; letter-spacing: -.02em; text-decoration: none; transition: opacity 200ms ease, transform 200ms ease; }
.hero-case-link { color: var(--brand-color); }
.hero-case-link:hover { color: var(--brand-highlight); opacity: 1; transform: translateY(4px); }
.hero-case-link:focus-visible { outline: 3px solid var(--brand-color); outline-offset: 4px; }
.hero-case-link svg { width: clamp(22px, 2.3vw, 34px); }

.section { width: 100%; padding: clamp(90px, 11vw, 180px) 4vw; color: var(--text-primary); }
.section-context, .section-process, .section-scenes, .section-reflection { background: var(--bg-primary); }
.section-exploration, .section-translation, .section-motion { color: var(--text-primary); background: var(--bg-secondary); }
.section-heading { position: relative; width: 100%; max-width: none; margin: 0 auto clamp(60px, 8vw, 120px); padding-top: clamp(28px, 4vw, 48px); display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 0; row-gap: clamp(24px, 2.4vw, 32px); }
.section-no { margin: 12px 0 0; color: var(--text-muted); font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.section-heading > .section-no { position: static; grid-column: 1 / -1; grid-row: 1; justify-self: start; margin: 0; }
.section-heading h2 { grid-column: 1 / -1; grid-row: 2; width: 100%; max-width: none; margin: 0; margin-left: auto; margin-right: auto; justify-self: stretch; text-align: center; font-size: clamp(48px, 7.8vw, 128px); line-height: .86; letter-spacing: -.07em; text-transform: uppercase; }
.section-heading h2 em { color: transparent; -webkit-text-stroke: 1.5px currentColor; font-style: normal; }
.section-heading-light { color: var(--text-primary); }
.section-context > .section-heading { margin-bottom: 64px; }
.section-context > .section-heading h2 { font-size: clamp(48px, 7.8vw, 112px); }
.context-lead { width: min(92vw, 1920px); margin: 0 auto clamp(70px, 9vw, 140px); display: flex; flex-direction: column; gap: 64px; }
.context-lead-video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: transparent; border: 0; border-radius: 0; }
.context-lead-info { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 72px; align-items: start; }
.context-lead-column { display: grid; gap: 18px; }
.context-lead-label { margin: 0; color: var(--text-muted); font-size: clamp(11px, .7vw, 12px); font-weight: 600; letter-spacing: .16em; }
.context-lead-text { margin: 0; color: var(--text-secondary); font-size: clamp(17px, 1.25vw, 22px); font-weight: 400; letter-spacing: -.01em; line-height: 1.7; }
.context-grid { width: var(--page); margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.text-panel { min-height: 330px; padding: 28px 28px 32px 0; display: flex; flex-direction: column; background: var(--bg-card); border-right: 1px solid var(--border); transition: background-color .25s var(--ease), border-color .25s var(--ease); }
.text-panel + .text-panel { padding-left: 28px; }.text-panel:last-child { border-right: 0; }
.text-panel:hover { background: var(--bg-card-hover); }
.panel-index { color: var(--text-muted); font-size: 10px; letter-spacing: .15em; }.text-panel h3 { margin: auto 0 20px; color: var(--text-primary); font-size: clamp(22px, 2vw, 32px); }.text-panel p { margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.75; }

.context-grid.tool-chain-grid {
  position: relative;
  left: 50%;
  width: min(96vw, 1920px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
  border-top: 0;
  border-bottom: 0;
  transform: translateX(-50%);
}
.tool-chain-grid .tool-chain-card,
.tool-chain-grid .tool-chain-card + .tool-chain-card {
  min-height: 340px;
  height: 100%;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top-color: var(--brand-color);
  border-radius: var(--radius);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .18);
  transition: transform .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.tool-chain-grid .tool-chain-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: var(--brand-border);
  border-top-color: var(--brand-color);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .28), 0 0 28px rgba(var(--brand-rgb), .1);
}
.tool-chain-grid .tool-chain-card .panel-index { align-self: flex-start; margin: 0; padding: 8px 10px; color: var(--brand-color); background: var(--brand-soft); border: 1px solid var(--brand-border); border-radius: 999px; font: 10px "Courier New", monospace; letter-spacing: .03em; white-space: nowrap; }
.tool-chain-grid .tool-chain-card h3 { width: 100%; min-height: 2.3em; margin: 30px 0 16px; text-align: left; font-size: clamp(18px, 1.55vw, 26px); line-height: 1.15; }
.tool-chain-grid .tool-chain-card p { width: 100%; margin: 0; text-align: left; font-size: 13px; line-height: 1.7; }

.overview-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
.overview-grid .overview-panel, .overview-grid .overview-panel + .overview-panel { --glow-angle: 0deg; --glow-active: 0; position: relative; isolation: isolate; overflow: hidden; height: 100%; min-height: 0; padding: 68px 64px; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; background: #111722; border: 1px solid rgba(255, 255, 255, .1); border-radius: 2px; }
.overview-panel::before { content: ""; position: absolute; z-index: 1; inset: 0; padding: 1px; pointer-events: none; opacity: var(--glow-active); background: conic-gradient(from calc(var(--glow-angle) - 41deg) at 50% 50%, transparent 0deg, var(--brand-deep) 12deg, var(--brand-color) 30deg, var(--brand-highlight) 48deg, var(--brand-color) 66deg, transparent 82deg, transparent 360deg); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; transition: opacity 300ms var(--ease); }
.overview-panel.is-glow-active::before { transition-duration: 250ms; }
.overview-panel > * { position: relative; z-index: 2; }
.overview-panel .panel-index { align-self: auto; margin: 0 0 28px; color: var(--text-muted); font-size: 10px; line-height: 1; }
.overview-panel h3 { align-self: auto; margin: 0 0 22px; color: #fff; font-size: 30px; line-height: 1.1; }
.overview-panel p { align-self: auto; margin: 0; color: #BDC5D2; font-size: 15px; line-height: 1.8; }
.overview-skill-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 14px;
  border-top: 0;
  border-bottom: 0;
}
.overview-skill-grid .overview-skill-card,
.overview-skill-grid .overview-skill-card + .overview-skill-card {
  position: relative;
  min-width: 0;
  min-height: 340px;
  height: 100%;
  padding: 20px;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top-color: var(--brand-color);
  border-radius: var(--radius);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .18);
  transition: transform .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.overview-skill-grid .overview-skill-card:hover,
.overview-skill-grid .overview-skill-card:focus-visible {
  background: var(--bg-card-hover);
  border-color: var(--brand-border);
  border-top-color: var(--brand-color);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .28), 0 0 28px rgba(var(--brand-rgb), .1);
  transform: translateY(-5px);
}
.overview-skill-grid .overview-skill-card:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 4px;
}
.overview-skill-grid .overview-skill-card .panel-index {
  align-self: flex-start;
  margin: 0;
  padding: 8px 10px;
  color: var(--brand-color);
  background: var(--brand-soft);
  border: 1px solid var(--brand-border);
  border-radius: 999px;
  font: 10px "Courier New", monospace;
  letter-spacing: .03em;
}
.overview-skill-grid .overview-skill-card h3 {
  margin: auto 0 18px;
  color: var(--text-primary);
  font-size: clamp(20px, 1.8vw, 28px);
  line-height: 1.12;
}
.overview-skill-grid .overview-skill-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
#overview { height: auto; min-height: 0; padding-top: 100px; padding-bottom: 120px; display: flex; flex-direction: column; justify-content: flex-start; }
#overview > .section-heading { margin-bottom: 80px; }
#overview > .overview-grid { margin-top: 0; margin-bottom: 0; }
#origin { padding-top: 60px; }
.origin-heading { width: 100%; margin: 0 0 56px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 56px; height: auto; min-height: 0; }
.origin-heading > .section-heading { margin: 0 auto; }
.origin-heading > .origin-subtitle { width: max-content; max-width: none; margin: 0 auto; display: block; text-align: center; }
.origin-heading > .origin-subtitle p { grid-column: auto; max-width: none; margin: 0; white-space: nowrap; font-size: clamp(28px, 2.4vw, 46px); line-height: 1.2; }

.exploration-layout { width: var(--page); margin: auto; display: block; }
.asset-placeholder { position: relative; overflow: hidden; color: var(--text-primary); background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 18px 46px rgba(0, 0, 0, .16); isolation: isolate; }
.asset-placeholder-wide { min-height: 0; }
.asset-placeholder::before { content: ""; position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(var(--line-light) 1px, transparent 1px), linear-gradient(90deg, var(--line-light) 1px, transparent 1px); background-size: 13% 13%; z-index: -1; }
.asset-label { position: absolute; z-index: 4; left: 20px; right: 20px; bottom: 18px; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding-top: 15px; border-top: 1px solid currentColor; font-size: 9px; letter-spacing: .12em; }
.asset-label code, .scene-meta code, .video-caption code { font: 11px/1.2 "Courier New", monospace; letter-spacing: 0; }
.placeholder-art { position: absolute; inset: 0; }
.character-exploration-visual { width: 100%; padding: 48px 64px; display: block; border: 1px solid var(--border); border-radius: 24px; }
.character-exploration-image { position: relative; z-index: 1; width: 100%; height: auto; object-fit: contain; object-position: center; display: block; }
.direction-list { width: 100%; margin-top: 24px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.direction-card { min-height: 210px; padding: 36px 40px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; box-shadow: 0 12px 30px rgba(0, 0, 0, .12); transition: border-color .3s, background .3s; }
.direction-card:hover { background: var(--bg-card-hover); border-color: var(--border); }
.direction-card > span { margin: 0 0 20px; color: var(--text-muted); font-size: 9px; letter-spacing: .1em; }.direction-card > span strong { color: var(--brand-color); font: inherit; }.direction-card h3 { margin: 0 0 18px; color: var(--text-primary); font-size: 22px; }.direction-card p { margin: 0; color: var(--text-secondary); font-size: 13px; line-height: 1.7; }
.direction-card-selected { color: var(--text-primary); background: linear-gradient(180deg, rgba(var(--brand-rgb), .06), rgba(var(--brand-rgb), 0) 65%), var(--bg-card); border-color: var(--brand-color); transform: none; }.direction-card-selected:hover { border-color: var(--brand-color); }.direction-card-selected p { color: var(--text-secondary); }
.decision-note { width: var(--page); margin: 32px auto 0; padding: 24px 0; display: grid; grid-template-columns: 1fr 2fr; border-top: 1px solid var(--line-light); }
.decision-note span { color: var(--text-muted); font-size: 10px; letter-spacing: .14em; }.decision-note p { margin: 0; max-width: 850px; color: var(--text-primary); font-size: clamp(18px, 2vw, 30px); line-height: 1.25; }
.decision-note-final { grid-template-columns: minmax(0, 40fr) minmax(0, 60fr); gap: 64px; align-items: center; }
.decision-note-visual { width: 100%; aspect-ratio: 4 / 3; overflow: hidden; display: flex; align-items: center; justify-content: center; background: transparent; border-radius: 20px; }
.final-choice-video { width: 100%; height: 100%; object-fit: contain; object-position: center; display: block; background: transparent; }
.decision-note-final-content { width: 100%; max-width: 900px; }
.decision-note-final-content > span { display: block; margin: 0 0 24px; }
.decision-note-final-copy { display: grid; gap: 36px; }
.decision-note-final-copy p { max-width: 900px; line-height: 1.65; }

.section-process { overflow: hidden; }
.workflow { width: var(--page); margin: auto; border-top: 1px solid var(--border); }
.workflow-phase { display: block; padding: 24px 0 40px; border-bottom: 1px solid var(--border); }
.workflow-phase-heading { margin: 0 0 24px; padding: 0; border: 0; }
.workflow-phase-heading span { color: var(--text-muted); font: 10px "Courier New", monospace; letter-spacing: .14em; }
.workflow-phase-heading h3 { max-width: none; margin: 12px 0 8px; color: var(--text-primary); font-size: clamp(42px, 4.2vw, 56px); letter-spacing: -.04em; line-height: .95; }
.workflow-phase-heading p { margin: 0; color: var(--text-secondary); font-size: 13px; }
.workflow-step-list { --workflow-gap: clamp(20px, 2vw, 32px); min-width: 0; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(var(--step-count, 2), minmax(0, 1fr)); gap: var(--workflow-gap); list-style: none; }
.workflow-phase:nth-child(2) .workflow-step-list { --step-count: 3; }
.workflow-phase:nth-child(3) .workflow-step-list { --step-count: 4; }
.workflow-card { position: relative; height: 180px; min-width: 0; padding: 18px; color: var(--text-primary); background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 12px 28px rgba(0, 0, 0, .14); transition: transform .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease); }
.workflow-card::before { content: ""; position: absolute; top: 21px; left: 18px; width: 7px; height: 7px; background: var(--bg-card); border: 1px solid var(--text-muted); border-radius: 50%; transition: transform .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease); transition-delay: var(--step-delay); }
.workflow-card:hover { z-index: 2; transform: translateY(-5px); background: var(--bg-card-hover); border-color: var(--brand-border); }
.workflow.is-active .workflow-card::before { border-color: var(--brand-color); }
.workflow-card:hover::before { transform: scale(1.35); background: var(--brand-color); border-color: var(--brand-color); box-shadow: 0 0 0 4px var(--brand-soft); transition-delay: 0ms; }
.workflow-step-no { display: block; margin: 0 0 16px 18px; color: var(--text-muted); font: 10px "Courier New", monospace; letter-spacing: .12em; }
.workflow-card h4 { min-height: 42px; margin: 0 0 15px; font-size: clamp(15px, 1.25vw, 19px); line-height: 1.1; }
.workflow-card dl { margin: 0; display: grid; gap: 6px; }
.workflow-card dl div { min-width: 0; display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 8px; align-items: baseline; }
.workflow-card dt { color: var(--text-muted); font: 8px "Courier New", monospace; letter-spacing: .12em; }
.workflow-card dd { min-width: 0; margin: 0; color: var(--text-secondary); font-size: 10px; line-height: 1.35; overflow-wrap: anywhere; }
#process .workflow-card dt { font-size: 11px; line-height: 1.5; }
#process .workflow-card dd { color: rgba(245, 247, 250, .74); font-size: 15px; line-height: 1.65; }
.workflow-connector { position: absolute; z-index: 3; top: 50%; right: calc(0px - var(--workflow-gap) - 1px); width: calc(var(--workflow-gap) + 2px); height: 1px; background: var(--brand-color); transform: scaleX(0); transform-origin: left center; transition: transform .36s var(--ease); transition-delay: calc(var(--step-delay) + 55ms); pointer-events: none; }
.workflow-connector::after { content: ""; position: absolute; top: -3px; right: 0; width: 7px; height: 7px; border-top: 1px solid var(--brand-color); border-right: 1px solid var(--brand-color); transform: rotate(45deg); }
.workflow.is-active .workflow-connector { transform: scaleX(1); }

.skill-library { width: var(--page); margin: clamp(96px, 11vw, 160px) auto 0; padding-top: 30px; border-top: 1px solid var(--brand-border); }
.skill-library-heading { position: relative; width: 100%; max-width: none; margin: 0 0 clamp(38px, 5vw, 64px); display: block; }
.skill-library-eyebrow { margin: 0 0 18px; color: var(--brand-color); font: 10px "Courier New", monospace; letter-spacing: .18em; }
.skill-library-heading h3 { width: 100%; max-width: none; margin: 0; margin-left: auto; margin-right: auto; color: var(--text-primary); text-align: center; font-size: clamp(46px, 5.8vw, 88px); line-height: .92; letter-spacing: -.06em; }
.skill-library-heading h3 em { color: var(--brand-color); font-style: normal; }
.skill-library-intro { max-width: 520px; margin: 0; justify-self: end; color: var(--text-secondary); font-size: clamp(14px, 1.15vw, 17px); line-height: 1.75; }
.skill-library-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.skill-library-card { position: relative; min-width: 0; min-height: 340px; padding: 20px; display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--border); border-top-color: var(--brand-color); border-radius: var(--radius); box-shadow: 0 16px 36px rgba(0, 0, 0, .18); transition: transform .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease); }
.skill-library-card:hover { transform: translateY(-5px); background: var(--bg-card-hover); border-color: var(--brand-border); border-top-color: var(--brand-color); }
.skill-library-index { color: var(--text-muted); font: 10px "Courier New", monospace; letter-spacing: .14em; }
.skill-library-name { align-self: flex-start; max-width: 100%; margin: 34px 0 26px; padding: 8px 10px; color: var(--brand-color); background: var(--brand-soft); border: 1px solid var(--brand-border); border-radius: 999px; font: 10px "Courier New", monospace; letter-spacing: .03em; overflow-wrap: anywhere; }
.skill-library-coverage { margin: 0 0 16px; color: var(--text-primary); font-size: 12px; line-height: 1.65; }
.skill-library-coverage span { display: block; margin-bottom: 6px; color: var(--text-muted); font: 8px "Courier New", monospace; letter-spacing: .12em; }
.skill-library-description { margin: auto 0 0; color: var(--text-secondary); font-size: 12px; line-height: 1.68; overflow-wrap: anywhere; }

.translation-grid { width: var(--page); margin: auto; display: grid; grid-template-columns: 1.35fr 1fr; gap: 5vw; }
#character-rules > .section-heading { margin-bottom: 8px; }
.asset-placeholder-tall { min-height: 710px; }
.character-system-visual { height: min(58vw, 820px); padding: clamp(32px, 3vw, 48px); display: flex; align-items: center; justify-content: center; background-color: var(--bg-primary); }
.character-system-image { position: relative; z-index: 1; display: block; width: 100%; height: 100%; max-height: 820px; object-fit: contain; object-position: center; background: transparent; border: 0; }
.ai-translation-visual { padding: clamp(24px, 2vw, 32px); display: flex; align-items: center; justify-content: center; }
.ai-translation-image { position: relative; z-index: 1; display: block; width: 100%; height: 100%; max-height: 820px; object-fit: contain; object-position: center; background: transparent; border: 0; }
.art-turnaround { display: flex; align-items: center; justify-content: space-evenly; padding: 12% 7% 18%; }
.turn-figure { position: relative; display: block; width: 25%; height: 58%; border: 2px solid var(--cream); border-radius: 42% 42% 30% 30% / 28% 28% 20% 20%; background: var(--brand-color); }
.turn-figure::before { content: ""; position: absolute; left: 11%; top: -12%; width: 78%; aspect-ratio: 1; border: 2px solid var(--cream); border-radius: 47%; background: var(--ink); box-shadow: inset 0 -16px 0 var(--brand-deep); }
.turn-figure::after { content: ""; position: absolute; left: 14%; bottom: -16%; width: 28%; height: 31%; border: 2px solid var(--cream); border-top: 0; box-shadow: 59px 0 0 -2px var(--ink), 59px 0 0 0 var(--cream); }
.turn-side { width: 20%; transform: translateY(4%); background: var(--cream); }.turn-back { background: var(--brand-deep); transform: translateY(-2%); }
.rules-panel { display: flex; flex-direction: column; }
.rules-intro { margin: 0 0 auto; color: var(--text-secondary); font-size: clamp(17px, 1.6vw, 24px); line-height: 1.45; }
.rule { padding: 22px 0; display: grid; grid-template-columns: 48px 1fr; border-top: 1px solid var(--border); transition: background-color .25s var(--ease); }.rule:hover { background: rgba(255, 255, 255, .025); }.rule > span { grid-row: 1 / 3; color: var(--brand-color); font: 10px "Courier New", monospace; }.rule h3 { margin: 0 0 8px; color: var(--text-primary); font-size: 20px; }.rule p { margin: 0; color: var(--text-secondary); font-size: 13px; line-height: 1.6; }
#character-rules .rules-panel, #character-rules .rule-list { min-width: 0; }
#character-rules .rule { grid-template-columns: 48px minmax(0, 1fr); align-items: start; text-align: left; }
#character-rules .rule > span { justify-self: start; }
#character-rules .rule > div { width: 100%; min-width: 0; max-width: 680px; margin: 0; text-align: left; overflow-wrap: anywhere; }
#character-rules .rule h3, #character-rules .rule p, #character-rules .rule ul { max-width: 100%; text-align: left; }
#character-rules .rule ul { margin: 0; padding-left: 1.2em; }

.scenes-intro { width: var(--page); max-width: 1120px; margin: calc(0px - clamp(24px, 3vw, 48px)) auto clamp(56px, 6vw, 88px); color: var(--text-secondary); font-size: clamp(17px, 1.45vw, 23px); line-height: 1.7; }
.action-coverflow { width: var(--page); margin: auto; overflow: hidden; background: #030507; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 24px 60px rgba(0, 0, 0, .3); }
.action-coverflow-stage { position: relative; width: 100%; height: clamp(430px, 38vw, 560px); perspective: 1600px; perspective-origin: 50% 46%; transform-style: preserve-3d; }
.scene-card { position: relative; min-width: 0; overflow: hidden; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 14px 36px rgba(0, 0, 0, .16); transform-style: preserve-3d; transition: transform .28s var(--ease), box-shadow .28s var(--ease), background-color .28s var(--ease), border-color .28s var(--ease); will-change: transform; }
.scene-card:hover { background: var(--bg-card-hover); border-color: var(--brand-border); box-shadow: 0 20px 45px rgba(0, 0, 0, .24); }
.action-coverflow .action-card { --action-x: 0px; --action-z: 0px; --action-rotate-y: 0deg; --action-rotate-z: 0deg; --action-scale: 1; --action-opacity: 1; --action-blur: 0px; --action-hover-y: 0px; --action-z-index: 1; position: absolute; z-index: var(--action-z-index); left: 50%; top: 50%; width: clamp(260px, 25vw, 360px); padding: 0; color: inherit; font: inherit; text-align: left; appearance: none; cursor: pointer; opacity: var(--action-opacity); filter: blur(var(--action-blur)); transform: translate(-50%, -50%) translateX(var(--action-x)) translateY(var(--action-hover-y)) translateZ(var(--action-z)) rotateY(var(--action-rotate-y)) rotateZ(var(--action-rotate-z)) scale(var(--action-scale)); transform-origin: center center; transition: transform 600ms cubic-bezier(.4, 0, .2, 1), width 600ms cubic-bezier(.4, 0, .2, 1), opacity 600ms cubic-bezier(.4, 0, .2, 1), filter 600ms cubic-bezier(.4, 0, .2, 1), box-shadow 600ms cubic-bezier(.4, 0, .2, 1), border-color 600ms cubic-bezier(.4, 0, .2, 1), background-color 600ms cubic-bezier(.4, 0, .2, 1); }
.action-coverflow .action-card.is-active {
  width: clamp(460px, 46vw, 640px);
}
.action-coverflow .action-card:hover { --action-hover-y: -10px; }
.action-card.is-active, .action-card.is-active:hover { border-color: #04F9FC; box-shadow: 0 0 0 2px #04F9FC, 0 28px 70px rgba(0, 0, 0, .46); }
.action-coverflow .action-card .scene-visual { display: block; min-height: 0; aspect-ratio: 16 / 9; }
.action-card .scene-visual {
  position: relative;
  isolation: isolate;
}
.action-card-preview { position: relative; z-index: 1; display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.action-card-video {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #030507;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease);
}
.action-card.is-video-ready .action-card-video {
  opacity: 1;
}
.scene-visual { position: relative; min-height: 350px; overflow: hidden; border-bottom: 1px solid var(--border); }
.scene-visual::before { content: attr(data-mark); position: absolute; }
.scene-yellow { background: radial-gradient(circle at 50% 45%, rgba(var(--brand-rgb), .13), transparent 56%), var(--bg-secondary); }.scene-cream { background: radial-gradient(circle at 50% 45%, rgba(245, 247, 250, .07), transparent 56%), var(--bg-secondary); }.scene-blue { background: radial-gradient(circle at 50% 45%, var(--brand-soft), transparent 56%), var(--bg-secondary); }.scene-dark { background: var(--bg-secondary); }
.scene-figure { position: absolute; width: 32%; height: 52%; left: 34%; top: 24%; border: 2px solid var(--text-primary); border-radius: 46% 46% 34% 34%; background: var(--bg-card-hover); }
.scene-figure::before { content: ""; position: absolute; width: 75%; aspect-ratio: 1; left: 12%; top: -30%; border: 2px solid var(--text-primary); border-radius: 50%; background: var(--brand-color); box-shadow: inset 0 -14px 0 var(--brand-deep); }
.scene-figure::after { content: ""; position: absolute; left: -65%; bottom: -20%; width: 230%; height: 14%; border-radius: 50%; background: rgba(0, 0, 0, .38); filter: blur(8px); z-index: -1; }
.pose-skate { transform: translate(14%, 5%) rotate(-14deg); }.pose-step { transform: translate(-5%, 3%) rotate(7deg); }.pose-dj { height: 44%; width: 42%; left: 29%; top: 32%; transform: rotate(-3deg); }.pose-headphone { border-color: var(--cream); background: var(--brand-color); transform: rotate(5deg); }.pose-headphone::before { border-color: var(--cream); background: var(--brand-deep); }.pose-dance { transform: rotate(-10deg) skewX(-5deg); }.pose-loop { height: 46%; top: 30%; transform: rotate(15deg); }
.scene-meta { min-height: 132px; padding: 18px 20px 20px; display: grid; grid-template-columns: 1fr auto; align-content: space-between; gap: 8px; }
.scene-meta > span { color: var(--text-muted); font-size: 9px; letter-spacing: .13em; }.scene-meta h3, .scene-meta > strong { grid-column: 1; margin: 18px 0 0; color: var(--text-primary); font-size: 24px; }.scene-meta code, .scene-meta small { align-self: end; justify-self: end; color: var(--text-muted); font-size: 10px; }
.action-card .scene-meta small { grid-column: 1 / -1; justify-self: start; color: var(--text-secondary); font-size: 13px; line-height: 1.6; text-align: left; }
.action-coverflow-footer {
  min-height: 82px;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--border);
}
.action-coverflow-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.action-switch-button {
  width: 48px;
  height: 48px;
  padding: 0;
  display: grid;
  place-items: center;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid rgba(245, 247, 250, 0.55);
  border-radius: 50%;
  cursor: pointer;
  transition: color .25s var(--ease),
    background-color .25s var(--ease),
    border-color .25s var(--ease),
    transform .25s var(--ease);
}
.action-switch-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.action-switch-button:hover {
  color: #030507;
  background: var(--brand-color);
  border-color: var(--brand-color);
  transform: scale(1.06);
}
.action-switch-button:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 4px;
}
.action-coverflow-caption {
  min-height: 0;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 16px;
  border-top: 0;
  text-align: right;
}
.action-coverflow-caption span { color: var(--brand-color); font: 12px "Courier New", monospace; letter-spacing: .14em; }
.action-coverflow-caption strong { color: var(--text-primary); font-size: clamp(24px, 2.6vw, 38px); letter-spacing: -.035em; }
.operation-scenes { width: var(--page); margin: clamp(90px, 10vw, 150px) auto 0; }
.operation-scenes-heading { width: 100%; max-width: none; margin: 0 0 48px; }
.operation-scenes-heading > p:first-child { margin: 0 0 18px; color: var(--brand-color); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.operation-scenes-heading h3 { width: 100%; max-width: none; margin: 0; margin-left: auto; margin-right: auto; color: var(--text-primary); text-align: center; font-size: clamp(34px, 4.2vw, 68px); letter-spacing: -.045em; line-height: 1; }
.operation-scenes-description { max-width: 820px; margin: 28px 0 0; color: var(--text-secondary); font-size: clamp(15px, 1.3vw, 19px); line-height: 1.7; }
.operation-scenes-media { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #000; border: 1px solid var(--border); border-radius: 20px; }
.operation-scenes-video { width: 100%; height: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: center; display: block; background: #000; border-radius: 20px; }
.operation-scenes-error { position: absolute; inset: 0; z-index: 2; display: none; place-items: center; margin: 0; padding: 24px; color: var(--text-secondary); background: #000; text-align: center; font-size: 13px; }
.operation-scenes-media.has-error .operation-scenes-error { display: grid; }
.operation-scene-tags { margin-top: 24px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.operation-scene-tags article { min-width: 0; padding: 18px 16px; background: var(--bg-card); border: 1px solid var(--border); }
.operation-scene-tags span { display: block; margin-bottom: 20px; color: var(--brand-color); font: 10px "Courier New", monospace; }
.operation-scene-tags strong { display: block; color: var(--text-primary); font-size: 15px; }
.operation-scene-tags small { display: block; margin-top: 8px; color: var(--text-muted); font-size: 8px; letter-spacing: .08em; line-height: 1.35; }

.section-motion { position: relative; }
.experiment-flag { width: var(--page); margin: 0 auto 52px; padding: 10px 14px; color: var(--brand-color); background: rgba(var(--brand-rgb), .06); border: 1px solid var(--brand-border); border-radius: 99px; text-align: center; font-size: 10px; font-weight: 700; letter-spacing: .18em; }
.video-grid { width: var(--page); margin: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.video-card { min-width: 0; }
.video-shell { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 16px 38px rgba(0, 0, 0, .18); transition: background-color .25s var(--ease), border-color .25s var(--ease); }
.video-shell:hover { background: var(--bg-card-hover); border-color: var(--brand-border); }
.video-shell-alt { background: var(--bg-card); }
.video-shell video { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .3s; }
.video-card.is-ready video { opacity: 1; }.video-card.is-ready .video-placeholder { opacity: 0; }
.video-placeholder { position: absolute; inset: 0; transition: opacity .3s; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 12.5% 12.5%; }
.equalizer { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; gap: 10px; align-items: center; height: 45%; }
.equalizer i { width: 18px; height: 30%; border-radius: 99px; background: var(--brand-color); animation: equalize 1.6s ease-in-out infinite alternate; }.equalizer i:nth-child(2) { height: 75%; animation-delay: -.6s; }.equalizer i:nth-child(3) { height: 100%; animation-delay: -.2s; }.equalizer i:nth-child(4) { height: 58%; animation-delay: -.9s; }.equalizer i:nth-child(5) { height: 85%; animation-delay: -.4s; }
@keyframes equalize { to { height: 22%; } }
.sound-rings { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 35%; aspect-ratio: 1; }
.sound-rings i { position: absolute; inset: 0; border: 12px solid var(--brand-color); border-radius: 50%; }.sound-rings i:nth-child(2) { inset: 24%; border-width: 9px; }.sound-rings i:nth-child(3) { inset: 44%; border-width: 5px; background: var(--brand-color); }
.video-toggle { position: absolute; z-index: 5; left: 22px; bottom: 22px; width: 54px; aspect-ratio: 1; display: grid; place-items: center; color: var(--text-primary); background: rgba(7, 9, 13, .86); border: 1px solid var(--border); border-radius: 50%; cursor: pointer; transition: transform .25s, color .25s, background .25s, border-color .25s, box-shadow .25s; }.video-toggle:hover { transform: scale(1.07); color: var(--bg-primary); background: var(--brand-color); border-color: var(--brand-color); box-shadow: 0 0 0 4px var(--brand-glow); }.video-toggle svg { grid-area: 1/1; width: 20px; }.video-toggle .icon-pause { display: none; }.video-card.is-playing .icon-play { display: none; }.video-card.is-playing .icon-pause { display: block; }
.video-status { position: absolute; z-index: 4; right: 20px; bottom: 21px; margin: 0; color: var(--text-secondary); font-size: 9px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.video-card.is-ready .video-status { color: var(--cream); text-shadow: 0 1px 5px var(--ink); }
.video-caption { padding: 20px 4px 0; display: grid; grid-template-columns: 1fr auto; gap: 10px; }.video-caption > span { color: var(--text-muted); font-size: 9px; letter-spacing: .14em; }.video-caption h3 { grid-column: 1 / -1; margin: 26px 0 3px; color: var(--text-primary); font-size: clamp(25px, 2.5vw, 40px); }.video-caption p { grid-column: 1 / -1; max-width: 490px; margin: 0; color: var(--text-secondary); font-size: 13px; line-height: 1.7; }

.result-statement { width: var(--page); margin: 0 auto 80px; display: grid; grid-template-columns: 1fr 2fr; }.result-statement p { grid-column: 2; margin: 0; max-width: 900px; font-size: clamp(24px, 3.4vw, 54px); font-weight: 600; letter-spacing: -.045em; line-height: 1.08; }
.reflection-grid { width: var(--page); margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.reflection-card { min-height: 340px; padding: 24px; display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 14px 34px rgba(0, 0, 0, .14); transition: background-color .25s var(--ease), border-color .25s var(--ease); }.reflection-card:hover { background: var(--bg-card-hover); border-color: var(--brand-border); }.reflection-card:nth-child(2) { background: var(--bg-card-hover); border-color: var(--brand-border); transform: rotate(1deg); }.reflection-card > span { color: var(--text-muted); font-size: 9px; letter-spacing: .16em; }.reflection-card:nth-child(2) > span { color: var(--brand-color); }.reflection-card h3 { margin: auto 0 17px; color: var(--text-primary); font-size: clamp(22px, 2vw, 30px); line-height: 1.1; }.reflection-card p { margin: 0; color: var(--text-secondary); font-size: 13px; line-height: 1.7; }

.outcome-reflection-grid { align-items: stretch; }
.outcome-reflection-grid .outcome-reflection-card {
  position: relative;
  min-width: 0;
  min-height: 340px;
  height: 100%;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top-color: var(--brand-color);
  border-radius: var(--radius);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .18);
  transform: none;
  transition: transform .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.outcome-reflection-grid .outcome-reflection-card:nth-child(2) {
  background: var(--bg-card);
  border-color: var(--border);
  border-top-color: var(--brand-color);
  transform: none;
}
.outcome-reflection-grid .outcome-reflection-card:hover,
.outcome-reflection-grid .outcome-reflection-card:focus-visible {
  background: var(--bg-card-hover);
  border-color: var(--brand-border);
  border-top-color: var(--brand-color);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .28), 0 0 28px rgba(var(--brand-rgb), .1);
  transform: translateY(-5px);
}
.outcome-reflection-grid .outcome-reflection-card:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 4px;
}
.outcome-reflection-grid .outcome-reflection-card > span {
  align-self: flex-start;
  margin: 0;
  padding: 8px 10px;
  color: var(--brand-color);
  background: var(--brand-soft);
  border: 1px solid var(--brand-border);
  border-radius: 999px;
  font: 10px "Courier New", monospace;
  letter-spacing: .03em;
}
.outcome-reflection-grid .outcome-reflection-card:nth-child(2) > span { color: var(--brand-color); }
.outcome-reflection-grid .outcome-reflection-card h3 { margin: auto 0 18px; font-size: clamp(20px, 1.8vw, 28px); line-height: 1.12; }
.outcome-reflection-grid .outcome-reflection-card p { font-size: 13px; line-height: 1.7; overflow-wrap: anywhere; }
.outro { width: var(--page); margin: clamp(110px, 16vw, 240px) auto 0; position: relative; }.outro > p { margin: 0 0 25px; font-size: 9px; letter-spacing: .16em; }.outro h2 { margin: 0; font-size: clamp(76px, 17vw, 250px); line-height: .7; letter-spacing: -.09em; }.outro h2 span { color: var(--brand-color); -webkit-text-stroke: 2px var(--ink); }.outro a { position: absolute; right: 0; bottom: 0; display: flex; align-items: center; gap: 12px; font-size: 10px; letter-spacing: .14em; text-decoration: none; transition: color .2s var(--ease); }.outro a:hover { color: var(--brand-color); }.outro a svg { width: 18px; transition: transform .25s; }.outro a:hover svg { transform: translateY(-5px); }
.site-footer { padding: 28px 4vw; display: flex; justify-content: space-between; color: var(--text-secondary); background: #05070A; border-top: 1px solid var(--border); font-size: 9px; letter-spacing: .13em; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .skill-library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skill-library-card { min-height: 310px; }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .context-grid.tool-chain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-chain-grid .tool-chain-card,
  .tool-chain-grid .tool-chain-card + .tool-chain-card { min-height: 300px; }
}

@media (max-width: 767px) {
  .context-grid.tool-chain-grid { grid-template-columns: 1fr; }
  .tool-chain-grid .tool-chain-card,
  .tool-chain-grid .tool-chain-card + .tool-chain-card { min-height: 240px; padding: 20px; }
}

@media (max-width: 900px) {
  :root { --page: 100%; --radius: 17px; }
  .hero-details { width: min(430px, 46vw); }
  .section-heading { grid-template-columns: 1fr; gap: 30px; }.decision-note, .result-statement { grid-template-columns: 1fr; }.decision-note p, .result-statement p { grid-column: 1; }
  .section-heading > .section-no { position: static; }
  .decision-note-final { grid-template-columns: 1fr; gap: 32px; }
  .context-lead-info { grid-template-columns: 1fr; gap: 32px; }
  .context-grid { grid-template-columns: 1fr; }.text-panel, .text-panel + .text-panel { min-height: 240px; padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line-dark); }.text-panel:last-child { border-bottom: 0; }
  .context-grid.overview-grid { grid-template-columns: 1fr; }
  .overview-skill-grid .overview-skill-card,
  .overview-skill-grid .overview-skill-card + .overview-skill-card { min-height: 260px; padding: 32px; border: 1px solid var(--border); border-top-color: var(--brand-color); }
  #overview > .section-heading { margin-bottom: 56px; }
  .origin-heading { gap: 40px; }
  .overview-grid .overview-panel, .overview-grid .overview-panel + .overview-panel { min-height: 0; padding: 40px 32px; border-right: 0; border-bottom: 1px solid var(--border); }
  .overview-grid .overview-panel:last-child { border-bottom: 0; }
  .translation-grid, .video-grid { grid-template-columns: 1fr; }
  .character-system-visual { height: auto; min-height: 0; }
  .character-system-image { height: auto; }
  .ai-translation-visual { min-height: 0; }
  .ai-translation-image { height: auto; }
  .character-exploration-visual { padding: 40px 32px; }
  .direction-card { min-height: 210px; padding: 28px 24px; }
  .workflow-phase { padding: 24px 0 36px; }
  .workflow-phase-heading { margin-bottom: 24px; padding: 0; border: 0; }
  .workflow-step-list, .workflow-phase:nth-child(2) .workflow-step-list, .workflow-phase:nth-child(3) .workflow-step-list { grid-template-columns: 1fr; gap: 28px; padding-left: 18px; border-left: 1px solid var(--brand-border); }
  .workflow-card { height: 180px; }
  .workflow-connector { top: auto; right: auto; bottom: -29px; left: 25px; width: 29px; transform: rotate(90deg) scaleX(0); }
  .workflow.is-active .workflow-connector { transform: rotate(90deg) scaleX(1); }
  .skill-library { margin-top: 88px; padding-top: 26px; }
  .skill-library-heading { grid-template-columns: 1fr; gap: 24px; }
  .skill-library-intro { justify-self: start; }
  .asset-placeholder-tall { min-height: 610px; }.rules-intro { margin-bottom: 70px; }
  .action-coverflow { overflow: hidden; }
  .action-coverflow-stage { height: auto; min-height: 0; padding: 8px calc((100% - min(78vw, 360px)) / 2) 24px; display: flex; gap: 16px; overflow-x: auto; perspective: none; transform-style: flat; scroll-padding-inline: calc((100% - min(78vw, 360px)) / 2); scroll-snap-type: x mandatory; overscroll-behavior-inline: contain; -webkit-overflow-scrolling: touch; }
  .action-coverflow .action-card { position: relative; z-index: auto; left: auto; top: auto; flex: 0 0 min(78vw, 360px); width: min(78vw, 360px); opacity: 1; filter: none; transform: none; scroll-snap-align: center; }
  .action-coverflow .action-card.is-active {
    width: min(78vw, 360px);
  }
  .action-coverflow .action-card:hover { transform: translateY(-6px); }
  .scene-visual { min-height: 320px; }
  .operation-scene-tags { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .operation-scene-tags article:last-child { grid-column: 1 / -1; }
  .reflection-grid { grid-template-columns: 1fr; }.reflection-card { min-height: 260px; }.outro a { position: static; margin-top: 58px; width: fit-content; }
}

@media (max-width: 640px) {
  .origin-heading { gap: 28px; }
  .origin-heading > .origin-subtitle { width: 100%; }
  .origin-heading > .origin-subtitle p { width: 100%; white-space: normal; font-size: 26px; line-height: 1.35; }
}

@media (max-width: 600px) {
  .hero-video-section { height: 100svh; min-height: 600px; }
  .hero-video { object-position: center; }
  .hero-video-mask { background: linear-gradient(0deg, rgba(3, 9, 20, .64) 0%, rgba(3, 9, 20, .16) 42%, transparent 68%), linear-gradient(90deg, rgba(3, 9, 20, .34) 0%, transparent 70%); }
  .joyboy-project-nav { top: 13px; left: 18px; right: 18px; gap: 12px; }
  .hero-brand { max-width: 150px; min-width: 0; line-height: 1.5; }
  .hero-details { left: 18px; bottom: 84px; width: min(355px, calc(100vw - 36px)); }
  .hero-stage-label { margin-bottom: 7px; font-size: 9px; }
  .hero-details h1 { font-size: 54px; }
  .hero-subtitle { margin-top: 8px; font-size: 16px; }
  .hero-description-cn { display: none; }
  .hero-case-link { right: 18px; bottom: 24px; font-size: 24px; }
  .section { padding: 84px 18px; }.section-heading { margin-bottom: 56px; }.section-heading h2 { font-size: 14.2vw; }.section-no { margin-top: 0; }
  .context-lead { width: 100%; margin-bottom: 64px; gap: 64px; }.result-statement p { font-size: 25px; }
  #overview > .section-heading { margin-bottom: 40px; }
  .overview-skill-grid .overview-skill-card,
  .overview-skill-grid .overview-skill-card + .overview-skill-card { min-height: 240px; padding: 24px; }
  .overview-grid .overview-panel, .overview-grid .overview-panel + .overview-panel { min-height: 0; padding: 32px 24px; }
  .character-exploration-visual { padding: 24px 16px; }
  .direction-list { grid-template-columns: 1fr; gap: 16px; }
  .direction-card { min-height: 0; padding: 32px 24px; }
  .decision-note { gap: 25px; }.decision-note-final { gap: 32px; }.decision-note p { font-size: 19px; }
  .workflow-phase { padding-block: 22px 34px; }.workflow-phase-heading h3 { font-size: clamp(36px, 10vw, 48px); }.workflow-card { padding: 18px 16px; }.workflow-card h4 { font-size: 18px; }.workflow-card dd { font-size: 11px; }
  .skill-library { margin-top: 72px; }
  .skill-library-heading h3 { font-size: clamp(42px, 13vw, 64px); }
  .skill-library-grid { grid-template-columns: 1fr; }
  .skill-library-card { min-height: 0; padding: 20px; }
  .skill-library-name { margin: 28px 0 24px; }
  .asset-placeholder-tall { min-height: 480px; }.turn-figure { height: 52%; }.turn-figure::after { box-shadow: 43px 0 0 -2px var(--ink), 43px 0 0 0 var(--cream); }
  .scenes-intro { margin-top: 0; font-size: 16px; }
  .scene-visual { min-height: 330px; }.scene-meta { min-height: 120px; }
  .action-coverflow-footer {
    min-height: 78px;
    padding: 16px 18px;
    gap: 14px;
  }
  .action-switch-button {
    width: 42px;
    height: 42px;
  }
  .action-coverflow-caption {
    justify-content: flex-end;
  }
  .operation-scenes { margin-top: 84px; }
  .operation-scenes-heading { margin-bottom: 32px; }
  .video-grid { gap: 60px; }.video-shell { aspect-ratio: 1 / 1; }.video-caption h3 { margin-top: 16px; }.experiment-flag { margin-bottom: 40px; }
  .reflection-grid { gap: 12px; }.outro { margin-top: 130px; }.outro h2 { font-size: 24vw; }.site-footer { flex-direction: column; gap: 8px; padding-inline: 18px; }
}

.outcome-summary {
  width: min(100%, 980px);
  row-gap: 22px;
}

.outcome-summary p {
  max-width: 680px;
  font-size: clamp(17px, 1.45vw, 24px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.018em;
}

@media (hover: none), (pointer: coarse) {
  .overview-panel::before { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .overview-panel::before { display: none; }
}