:root {
  color-scheme: light dark;
  --app-height: 100dvh;
  --wave-x: calc(100% - 52px);
  --wave-y: 52px;
  --bg: #f7f8fb;
  --bg-accent: #eef3f8;
  --surface: rgba(255, 255, 255, 0.68);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #172033;
  --muted: #607084;
  --line: rgba(74, 89, 111, 0.14);
  --primary: #4f8ff7;
  --secondary: #c47b6a;
  --shadow: 0 28px 60px rgba(45, 58, 78, 0.12);
  --bg-radial-a: rgba(92, 142, 210, 0.1);
  --bg-radial-b: rgba(196, 123, 106, 0.07);
  --chrome-bg: #f2f5f8;
  --dark-bg: #050505;
  --dark-bg-soft: #0a0a0a;
  --particle-dot: rgba(19, 32, 51, 0);
  --particle-line-rgb: 19, 32, 51;
  --particle-line: 0;
  --cursor-light: rgba(255, 255, 255, 0.28);
  --toggle-bg: rgba(255, 255, 255, 0.6);
  --welcome-text: #000000;
  --welcome-grain: #4d6c96;
  --topbar-gap: 12px;
  --topbar-top: max(12px, calc(env(safe-area-inset-top, 0px) + 6px));
  --topbar-right: clamp(10px, 2vw, 24px);
  --topbar-button-size: 56px;
  --wave-bg:
    radial-gradient(circle at top left, rgba(92, 142, 210, 0.1), transparent 30%),
    radial-gradient(circle at 85% 18%, rgba(196, 123, 106, 0.07), transparent 26%),
    linear-gradient(135deg, #f7f8fb, #eef3f8);
}

html.theme-dark,
body.theme-dark {
  --bg: var(--dark-bg);
  --bg-accent: var(--dark-bg-soft);
  --surface: rgba(18, 18, 18, 0.62);
  --surface-strong: rgba(10, 10, 10, 0.9);
  --text: #f5f5f5;
  --muted: rgba(255, 255, 255, 0.65);
  --line: rgba(255, 255, 255, 0.14);
  --primary: #f5f5f5;
  --secondary: #b8b8b8;
  --shadow: 0 30px 60px rgba(0, 0, 0, 0.42);
  --bg-radial-a: rgba(255, 255, 255, 0.055);
  --bg-radial-b: rgba(255, 255, 255, 0.028);
  --chrome-bg: var(--dark-bg);
  --particle-dot: rgba(245, 245, 245, 0.48);
  --particle-line-rgb: 255, 255, 255;
  --particle-line: 0.1;
  --cursor-light: rgba(255, 255, 255, 0.1);
  --toggle-bg: rgba(10, 10, 10, 0.68);
  --welcome-text: #f5f5f5;
  --welcome-grain: #8a8a8a;
  --wave-bg:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.055), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(255, 255, 255, 0.028), transparent 24%),
    linear-gradient(135deg, var(--dark-bg), var(--dark-bg-soft));
}

html.theme-dark,
html.theme-dark body,
body.theme-dark,
html.theme-dark main,
body.theme-dark main,
html.theme-dark section,
body.theme-dark section {
  background-color: var(--dark-bg);
}

* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
  background-color: var(--chrome-bg);
  transition: background-color 320ms ease;
}

html.theme-syncing,
body.theme-syncing,
html.theme-syncing body,
html.theme-syncing main,
body.theme-syncing main,
html.theme-syncing section,
body.theme-syncing section,
html.theme-syncing .topbar,
body.theme-syncing .topbar,
html.theme-syncing button,
body.theme-syncing button,
html.theme-syncing .glass-panel,
body.theme-syncing .glass-panel,
html.theme-syncing .photo-card,
body.theme-syncing .photo-card,
html.theme-syncing .career-card-layer,
body.theme-syncing .career-card-layer,
html.theme-syncing .language-insight,
body.theme-syncing .language-insight,
html.theme-syncing .language-node,
body.theme-syncing .language-node {
  transition:
    color 260ms ease,
    background 320ms ease,
    background-color 320ms ease,
    border-color 320ms ease,
    box-shadow 320ms ease,
    text-shadow 320ms ease,
    opacity 260ms ease;
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100lvh;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow-x: hidden;
  font-family:
    "PingFang SC",
    "PingFang TC",
    "SF Pro SC",
    "Hiragino Sans GB",
    "Heiti SC",
    "Microsoft YaHei",
    sans-serif;
  color: var(--text);
  background-color: var(--chrome-bg);
  background:
    radial-gradient(circle at top left, var(--bg-radial-a), transparent 28%),
    radial-gradient(circle at 85% 18%, var(--bg-radial-b), transparent 24%),
    linear-gradient(135deg, var(--bg), var(--bg-accent));
  transition: background 300ms ease, color 300ms ease;
  position: relative;
  overscroll-behavior-x: none;
}

body::before {
  content: "";
  position: fixed;
  inset: -18lvh 0 -18lvh 0;
  z-index: -1;
  pointer-events: none;
  transform: translateZ(0);
  background:
    radial-gradient(circle at top left, var(--bg-radial-a), transparent 28%),
    radial-gradient(circle at 85% 18%, var(--bg-radial-b), transparent 24%),
    linear-gradient(135deg, var(--bg), var(--bg-accent));
  transition: background 320ms ease;
}

body,
.glass-panel,
.language-universe,
.language-insight,
.panel-grid span,
.theme-icon-button,
#language-switcher .language-toggle,
#language-switcher .language-menu,
#language-switcher .language-option,
.panel-avatar,
.orb,
.theme-icon-moon::after {
  transition:
    background 320ms ease,
    background-color 320ms ease,
    color 260ms ease,
    border-color 260ms ease,
    box-shadow 320ms ease,
    opacity 260ms ease;
}

.eyebrow,
.hero-text,
.panel-copy p,
.welcome-kicker {
  transition: color 260ms ease, opacity 260ms ease;
}

button,
input,
textarea {
  font: inherit;
}

#particle-canvas,
.noise,
.cursor-glow,
.theme-wave {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

#particle-canvas {
  z-index: 0;
  opacity: 0;
}

html.theme-dark #particle-canvas,
body.theme-dark #particle-canvas {
  opacity: 1;
}

.noise {
  z-index: 1;
  opacity: 0.035;
  background-image:
    linear-gradient(rgba(70, 82, 104, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70, 82, 104, 0.045) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(circle at center, black 32%, transparent 86%);
}

html.theme-dark .noise,
body.theme-dark .noise {
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
}

.cursor-glow {
  z-index: 3;
  will-change: background;
  transform: translateZ(0);
  background: radial-gradient(
    240px circle at var(--cursor-x, 50%) var(--cursor-y, 50%),
    var(--cursor-light),
    transparent 58%
  );
}

.theme-wave {
  z-index: 40;
  opacity: 0;
  overflow: hidden;
  visibility: hidden;
  contain: strict;
  will-change: opacity;
  transform: translateZ(0);
}

.theme-wave.is-active {
  opacity: 1;
  visibility: visible;
}

.theme-wave.is-outline {
  opacity: 1;
  visibility: visible;
}

.theme-wave-core {
  position: absolute;
  left: var(--wave-x, calc(100% - 52px));
  top: var(--wave-y, 52px);
  width: var(--wave-diameter, 0px);
  height: var(--wave-diameter, 0px);
  border-radius: 50%;
  transform: translate3d(-50%, -50%, 0) scale(0);
  transform-origin: center center;
  contain: paint;
  will-change: transform, opacity;
  backface-visibility: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 0 48px rgba(0, 0, 0, 0.12);
}

.theme-wave-core::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.16);
  opacity: 0.55;
  box-shadow:
    inset 0 0 38px rgba(255, 255, 255, 0.05),
    0 0 32px rgba(255, 255, 255, 0.04);
}

.theme-wave.theme-light-wave .theme-wave-core {
  background:
    radial-gradient(circle at top left, rgba(30, 144, 255, 0.18), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(255, 138, 91, 0.14), transparent 24%),
    linear-gradient(135deg, #f3f7ff, #dbe8ff);
}

.theme-wave.theme-dark-wave .theme-wave-core {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.055), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(255, 255, 255, 0.028), transparent 24%),
    linear-gradient(135deg, #050505, #0a0a0a);
}

.theme-wave.is-mobile-wave .theme-wave-core {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.07),
    0 0 36px rgba(0, 0, 0, 0.1);
}

.theme-wave.is-mobile-wave .theme-wave-core::after {
  border-color: rgba(255, 255, 255, 0.12);
  opacity: 0.34;
  box-shadow:
    inset 0 0 28px rgba(255, 255, 255, 0.035),
    0 0 22px rgba(255, 255, 255, 0.026);
}

.theme-wave.is-mobile-wave.theme-light-wave .theme-wave-core {
  background:
    radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.34), transparent 34%),
    radial-gradient(circle at 86% 18%, rgba(88, 134, 200, 0.12), transparent 28%),
    linear-gradient(135deg, rgba(245, 248, 255, 0.72), rgba(232, 239, 249, 0.9));
}

.theme-wave.is-mobile-wave.theme-dark-wave .theme-wave-core {
  background:
    radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.08), transparent 32%),
    radial-gradient(circle at 86% 18%, rgba(255, 255, 255, 0.04), transparent 28%),
    linear-gradient(135deg, rgba(8, 8, 8, 0.72), rgba(8, 8, 8, 0.9));
}

.theme-wave.is-outline .theme-wave-core {
  background: transparent;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.22),
    0 0 42px rgba(255, 255, 255, 0.08),
    0 0 64px rgba(30, 144, 255, 0.08);
}

.theme-wave.is-outline .theme-wave-core::after {
  border: 1px solid rgba(255, 255, 255, 0.42);
  opacity: 0.94;
  box-shadow:
    inset 0 0 24px rgba(255, 255, 255, 0.06),
    0 0 22px rgba(255, 255, 255, 0.1);
}

[data-i18n].is-kinetic-language-text {
  display: inline-block;
  vertical-align: inherit;
  overflow: visible;
  contain: layout paint;
}

.kinetic-char {
  display: inline-block;
  white-space: pre;
  transform: translate3d(0, 0, 0);
  transform-origin: 50% 62%;
  will-change: transform, opacity;
  backface-visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
  [data-i18n].is-kinetic-language-text {
    display: revert;
    min-width: 0 !important;
    min-height: 0 !important;
  }

  .kinetic-char {
    display: inline;
    transform: none;
  }

  .language-network,
  .language-node,
  .brain-wrap {
    opacity: 1;
    transition: none;
  }

  .network-line {
    stroke-dashoffset: 0;
  }

  .brain-wrap,
  .language-node {
    animation: none;
  }

  .career-section {
    --career-ufo-y: 0;
    --career-ufo-opacity: 1;
    --career-ufo-scale: 1;
    --career-card-y: 0;
    --career-card-opacity: 1;
    --career-card-scale: 1;
    --career-alien-y: 0;
    --career-alien-opacity: 1;
    --career-alien-scale: 1;
  }

  .career-ufo-img,
  .career-alien-img,
  .career-card-layer,
  .career-card-stack.is-switching-forward .career-card-layer.is-active,
  .career-card-stack.is-switching-back .career-card-layer.is-active {
    animation: none;
  }

  .career-card-layer {
    transition: none;
  }

  .photo-section {
    --photo-insert-progress: 1;
    --photo-queue-shift: 92px;
  }

  .photo-card,
  .photo-floating-card {
    transition: none;
  }
}

::view-transition-group(root),
::view-transition-image-pair(root),
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-group(root),
::view-transition-image-pair(root) {
  isolation: isolate;
}

::view-transition-old(root) {
  z-index: 8;
}

::view-transition-new(root) {
  z-index: 9;
  clip-path: circle(0px at var(--wave-x) var(--wave-y));
}

.page-shell {
  position: relative;
  z-index: 3;
  width: 100%;
  min-height: 100lvh;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  min-height: var(--app-height, 100dvh);
  padding: 0;
}

.section-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.first-screen {
  min-height: 100lvh;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  min-height: var(--app-height, 100dvh);
}

.first-screen-shell {
  min-height: inherit;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
  padding-top: 0;
}

.topbar {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  gap: var(--topbar-gap);
  position: fixed;
  top: var(--topbar-top);
  right: var(--topbar-right);
  z-index: 24;
  pointer-events: none;
}

#language-switcher {
  position: relative;
  pointer-events: auto;
}

#language-switcher .language-toggle,
#language-switcher .language-option {
  all: unset;
  box-sizing: border-box;
}

#language-switcher .language-toggle {
  width: var(--topbar-button-size);
  height: var(--topbar-button-size);
  display: grid;
  place-items: center;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--toggle-bg);
  color: var(--text);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  cursor: pointer;
  position: relative;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

#language-switcher .language-toggle:hover {
  transform: translateY(-2px) scale(1.03);
  border-color: rgba(255, 255, 255, 0.36);
}

#language-switcher .language-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

#language-switcher .language-globe-icon {
  display: block;
  width: 24px;
  height: 24px;
  overflow: visible;
  color: currentColor;
}

#language-switcher .language-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 210px;
  padding: 12px;
  display: none;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.16), transparent 58%),
    color-mix(in srgb, var(--toggle-bg) 94%, transparent);
  box-shadow:
    0 24px 48px rgba(24, 44, 78, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(18px);
  opacity: 0;
  transform: translateY(-8px);
  z-index: 16;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

#language-switcher .language-menu[aria-hidden="true"] {
  display: none !important;
  opacity: 0;
  transform: translateY(-8px);
}

#language-switcher.is-open .language-menu,
#language-switcher .language-menu[aria-hidden="false"] {
  display: grid;
  opacity: 1;
  transform: translateY(0);
}

#language-switcher .language-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 20px;
  padding: 14px 16px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.12), transparent 65%),
    rgba(255, 255, 255, 0.04) !important;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow:
    0 10px 22px rgba(24, 44, 78, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

#language-switcher .language-option-copy {
  display: grid;
  gap: 3px;
}

#language-switcher .language-option-code {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--primary);
}

#language-switcher .language-option-name {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

#language-switcher .language-option-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  transition:
    transform 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

#language-switcher .language-option:hover,
#language-switcher .language-option:focus-visible {
  background: color-mix(in srgb, var(--surface-strong) 86%, transparent);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow:
    0 14px 28px rgba(24, 44, 78, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  outline: none;
}

#language-switcher .language-option.is-active {
  background: color-mix(in srgb, var(--primary) 18%, var(--surface-strong));
  color: var(--text);
  border-color: color-mix(in srgb, var(--primary) 34%, transparent);
}

#language-switcher .language-option.is-active .language-option-mark {
  background: var(--primary);
  transform: scale(1.08);
  box-shadow:
    0 0 0 5px color-mix(in srgb, var(--primary) 16%, transparent),
    inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}

.theme-icon-button {
  width: var(--topbar-button-size);
  height: var(--topbar-button-size);
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--toggle-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  cursor: pointer;
  pointer-events: auto;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.theme-icon-button:hover {
  transform: translateY(-2px) scale(1.03);
  border-color: rgba(255, 255, 255, 0.36);
}

.theme-icon-button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

.theme-icon {
  position: relative;
  width: 24px;
  height: 24px;
}

.theme-icon-sun,
.theme-icon-moon {
  position: absolute;
  inset: 0;
  margin: auto;
  transition:
    transform 300ms ease,
    opacity 300ms ease;
}

.theme-icon-sun {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid currentColor;
  color: #f7a531;
  box-shadow:
    0 -12px 0 -8px currentColor,
    0 12px 0 -8px currentColor,
    12px 0 0 -8px currentColor,
    -12px 0 0 -8px currentColor,
    8px 8px 0 -8px currentColor,
    -8px -8px 0 -8px currentColor,
    8px -8px 0 -8px currentColor,
    -8px 8px 0 -8px currentColor;
}

.theme-icon-moon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #f0f6ff;
  transform: scale(0.35) rotate(-30deg);
  opacity: 0;
}

.theme-icon-moon::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  top: -2px;
  left: 6px;
  background: var(--toggle-bg);
}

html.theme-dark .theme-icon-sun,
body.theme-dark .theme-icon-sun {
  transform: scale(0.35) rotate(90deg);
  opacity: 0;
}

html.theme-dark .theme-icon-moon,
body.theme-dark .theme-icon-moon {
  transform: scale(1) rotate(0deg);
  opacity: 1;
}

.welcome-section {
  position: relative;
  min-height: 0;
  display: grid;
  align-items: stretch;
  justify-items: stretch;
  margin-top: 0;
  padding-bottom: max(20px, env(safe-area-inset-bottom, 0px));
  overflow: clip;
}

.hero {
  position: relative;
  min-height: 100lvh;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  min-height: var(--app-height, 100dvh);
}

.hero-shell {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  min-height: inherit;
  padding: 0;
  position: relative;
}

.hero-copy,
.hero-visual,
.cinematic-copy {
  will-change: transform, opacity;
}

.hero-copy {
  display: grid;
  align-content: center;
  justify-items: start;
  gap: clamp(14px, 1.8vw, 22px);
  max-width: 660px;
}

@media (min-width: 1024px) {
  :root {
    --topbar-gap: 14px;
    --topbar-top: max(18px, calc(env(safe-area-inset-top, 0px) + 10px));
    --topbar-right: max(24px, calc((100vw - min(1180px, calc(100vw - 32px))) / 2));
    --topbar-button-size: 56px;
  }

  .hero-visual {
    perspective: 1400px;
  }

  .story-screen {
    transform-origin: center center;
  }
}

.welcome-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100%;
  z-index: 1;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 14px;
  pointer-events: none;
  padding: 0;
}

.welcome-kicker,
.welcome-hint {
  margin: 0;
  color: var(--muted);
  text-align: center;
  opacity: calc(1 - var(--welcome-progress, 0) * 1.25);
  transform: translateY(calc(var(--welcome-progress, 0) * -28px));
}

.welcome-kicker {
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.34em;
  font-size: 0.84rem;
  color: var(--primary);
}

.welcome-hint {
  max-width: 40rem;
  padding: 0 20px;
  font-size: 0.98rem;
  line-height: 1.7;
}

.welcome-word {
  position: relative;
  width: min(100%, 1100px);
  height: clamp(170px, 26vw, 300px);
  font-family: inherit;
  font-size: clamp(5.4rem, 19vw, 13rem);
  line-height: 0.84;
  font-weight: 700;
  letter-spacing: -0.06em;
}

#welcome-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.welcome-text-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: transparent;
  user-select: none;
}

.eyebrow,
h1,
h2,
h3 {
  font-family: inherit;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  font-size: 0.82rem;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.95;
  max-width: 11ch;
  text-wrap: balance;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.hero-text {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.15rem, 4.8vw, 4.7rem);
  line-height: 1.04;
  color: var(--muted);
  text-wrap: balance;
  overflow-wrap: anywhere;
}

html[lang="en"] h1 {
  max-width: 12ch;
}

html[lang="en"] .hero-text {
  max-width: 17ch;
  font-size: clamp(1.95rem, 4vw, 4.2rem);
}

html[lang="ja"] h1 {
  max-width: 12ch;
}

html[lang="ja"] .hero-text {
  max-width: 16ch;
  font-size: clamp(2rem, 4.3vw, 4.3rem);
}

html[lang="zh-CN"] .hero-text {
  max-width: none;
  white-space: nowrap;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.ghost-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 14px 22px;
  cursor: pointer;
  transition:
    transform 200ms ease,
    background 200ms ease,
    border-color 200ms ease;
}

.ghost-btn {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.ghost-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.35);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.stat-card,
.feature-card,
.glass-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  will-change: transform;
}

.stat-card {
  border-radius: 24px;
  padding: 18px;
}

.stat-number {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  color: var(--muted);
}

.hero-visual {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  animation: float 8s ease-in-out infinite;
}

.orb-a {
  width: 180px;
  height: 180px;
  background: color-mix(in srgb, var(--primary) 62%, transparent);
  top: 40px;
  left: 40px;
}

.orb-b {
  width: 220px;
  height: 220px;
  background: color-mix(in srgb, var(--secondary) 52%, transparent);
  right: 20px;
  bottom: 70px;
  animation-delay: -3s;
}

.glass-panel {
  position: relative;
  width: min(100%, 440px);
  border-radius: 28px;
  padding: 24px;
  transform-style: preserve-3d;
  transition: transform 180ms ease;
}

.panel-top {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel-avatar {
  width: 160px;
  height: 142px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.14)),
    linear-gradient(145deg, color-mix(in srgb, var(--primary) 42%, white), color-mix(in srgb, var(--secondary) 48%, transparent));
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.36);
  overflow: hidden;
}

.panel-avatar::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.panel-avatar-text {
  position: relative;
  z-index: 1;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #ffffff;
}

.panel-avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.panel-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
  align-content: start;
}

.panel-copy h2 {
  margin: 6px 0 10px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.08;
}

.panel-copy p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--muted);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 20px;
}

.panel-grid span {
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  text-align: center;
}

.language-section {
  min-height: 100lvh;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  min-height: var(--app-height, 100dvh);
  padding: 48px 0 86px;
  position: relative;
  overflow: clip;
  color: var(--text);
  background: transparent;
}

.language-section::before,
.language-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.language-section::before {
  background-image:
    radial-gradient(circle, color-mix(in srgb, var(--text) 24%, transparent) 0 1px, transparent 1.8px),
    radial-gradient(circle, color-mix(in srgb, var(--text) 10%, transparent) 0 1px, transparent 1.8px);
  background-size: 86px 86px, 132px 132px;
  background-position: 18px 28px, 62px 44px;
  mask-image: radial-gradient(circle at 48% 50%, black 8%, transparent 74%);
  opacity: 0;
}

.language-section::after {
  background:
    linear-gradient(115deg, transparent 0 42%, color-mix(in srgb, var(--text) 5%, transparent) 42.3%, transparent 43%),
    linear-gradient(22deg, transparent 0 58%, color-mix(in srgb, var(--text) 4%, transparent) 58.2%, transparent 59%);
  opacity: 0;
}

html.theme-dark .language-section::before,
body.theme-dark .language-section::before {
  opacity: 0.5;
}

html.theme-dark .language-section::after,
body.theme-dark .language-section::after {
  opacity: 0.62;
}

.language-shell {
  min-height: inherit;
  display: grid;
  place-items: center;
}

.language-universe {
  --universe-x: 0;
  --universe-y: 0;
  position: relative;
  width: min(100%, 1180px);
  min-height: min(800px, calc(var(--app-height, 100dvh) - 80px));
  display: grid;
  grid-template-columns: 56px minmax(660px, 1fr) minmax(300px, 360px);
  align-items: center;
  gap: clamp(24px, 4.4vw, 56px);
  padding: clamp(28px, 5vw, 52px) 0;
  background:
    radial-gradient(circle at 43% 52%, color-mix(in srgb, var(--text) 6%, transparent), transparent 36%),
    radial-gradient(circle at 70% 42%, color-mix(in srgb, var(--text) 3%, transparent), transparent 30%);
  isolation: isolate;
  overflow: visible;
}

.language-universe::before {
  content: "";
  position: absolute;
  inset: 8% 8% 6%;
  background-image:
    linear-gradient(color-mix(in srgb, var(--text) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--text) 4%, transparent) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 44% 50%, black 12%, transparent 72%);
  opacity: 0.08;
  pointer-events: none;
  z-index: -2;
}

.language-universe::after {
  content: "";
  position: absolute;
  width: min(58vw, 660px);
  height: min(58vw, 660px);
  left: 44%;
  top: 54%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle, color-mix(in srgb, var(--text) 8%, transparent), color-mix(in srgb, var(--text) 2.6%, transparent) 48%, transparent 72%);
  opacity: 0.42;
  pointer-events: none;
  z-index: -1;
}

html.theme-dark .language-universe::before,
body.theme-dark .language-universe::before {
  opacity: 0.72;
}

html.theme-dark .language-universe::after,
body.theme-dark .language-universe::after {
  opacity: 1;
}

.language-index {
  display: grid;
  gap: 18px;
  justify-items: start;
  z-index: 5;
}

.language-index-item {
  all: unset;
  box-sizing: border-box;
  position: relative;
  min-width: 44px;
  padding: 8px 0;
  color: color-mix(in srgb, var(--muted) 78%, transparent);
  cursor: pointer;
  font-weight: 800;
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  transition:
    color 200ms ease,
    transform 200ms ease;
}

.language-index-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.36;
  transform-origin: left center;
  transition:
    opacity 200ms ease,
    transform 200ms ease;
}

.language-index-item.is-active {
  color: var(--text);
  transform: translateX(4px);
  outline: none;
}

.language-index-item:hover,
.language-index-item:focus-visible {
  color: var(--text);
  outline: none;
}

.language-index-item.is-active::after {
  opacity: 0.9;
  transform: scaleX(1.7);
}

.language-stage {
  position: relative;
  min-height: 660px;
  z-index: 2;
  overflow: visible;
  transform: translate3d(
    calc(var(--universe-x) * -8px),
    calc(var(--universe-y) * -8px),
    0
  );
  transition: transform 180ms ease;
}

.language-heading {
  position: relative;
  display: grid;
  gap: 14px;
  max-width: 520px;
  z-index: 5;
  padding: 0 0 0 18px;
  border-left: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  transform: translate3d(
    calc(var(--universe-x) * -5px),
    calc(var(--universe-y) * -5px),
    0
  );
  transition: transform 180ms ease;
}

.language-section-title {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(2.35rem, 4.5vw, 4.5rem);
  line-height: 1;
  color: var(--text);
  text-shadow: 0 12px 34px color-mix(in srgb, var(--text) 8%, transparent);
  text-wrap: balance;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

html[lang="en"] .language-section-title {
  max-width: 12ch;
  font-size: clamp(2.25rem, 4.2vw, 4.25rem);
}

html[lang="ja"] .language-section-title {
  max-width: 13ch;
  font-size: clamp(2.2rem, 4.1vw, 4.1rem);
}

.language-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 6;
  pointer-events: none;
  overflow: visible;
  opacity: 1;
  transform: none;
  transition: none;
}

.network-line {
  stroke: color-mix(in srgb, var(--text) 74%, transparent);
  stroke-width: 0.36;
  stroke-linecap: round;
  opacity: 0.74;
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--text) 18%, transparent));
  transition:
    opacity 220ms ease,
    stroke 220ms ease,
    stroke-width 220ms ease;
}

.language-universe.active-cpp .line-cpp,
.language-universe.active-html .line-html,
.language-universe.active-css .line-css,
.language-universe.active-js .line-js,
.language-universe.active-py .line-py {
  opacity: 0.95;
  stroke: var(--text);
  stroke-width: 0.48;
  filter:
    drop-shadow(0 0 8px color-mix(in srgb, var(--text) 36%, transparent));
}

.brain-wrap {
  position: absolute;
  left: 50%;
  top: 64%;
  width: clamp(540px, 54vw, 720px);
  aspect-ratio: 2 / 1;
  display: grid;
  place-items: center;
  transform:
    translate(-50%, -50%)
    translate3d(calc(var(--universe-x) * 8px), calc(var(--universe-y) * 8px), 0)
    scale(1);
  opacity: 1;
  transition: transform 180ms ease;
  z-index: 3;
  animation: brainFloat 9s ease-in-out infinite;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  overflow: visible;
}

.language-universe.active-cpp .brain-wrap,
.language-universe.active-html .brain-wrap,
.language-universe.active-css .brain-wrap,
.language-universe.active-js .brain-wrap,
.language-universe.active-py .brain-wrap {
  filter: drop-shadow(0 0 16px rgba(255, 255, 255, 0.12));
}

.brain-three-mount {
  position: relative;
  width: 116%;
  height: 122%;
  overflow: visible;
  background: transparent;
  box-shadow: none;
  pointer-events: none;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.brain-three-mount::before {
  content: none;
}

.brain-three-mount canvas {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
  pointer-events: none;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.language-node-field {
  position: absolute;
  inset: 0;
  z-index: 7;
  pointer-events: none;
}

.language-node {
  all: unset;
  box-sizing: border-box;
  position: absolute;
  min-width: clamp(94px, 9vw, 136px);
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 92%, transparent), color-mix(in srgb, var(--surface) 70%, transparent));
  box-shadow:
    0 18px 34px color-mix(in srgb, var(--text) 8%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 18%, transparent);
  color: var(--text);
  cursor: pointer;
  pointer-events: auto;
  opacity: 1;
  translate: 0 0;
  transform:
    translate(-50%, -50%)
    translate3d(
      calc(var(--universe-x) * var(--node-depth-x, 10px)),
      calc(var(--universe-y) * var(--node-depth-y, 10px)),
      0
    )
    scale(1);
  transition:
    transform 220ms ease,
    opacity 420ms ease,
    color 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease;
  animation: none;
}

.node-label {
  position: relative;
  z-index: 1;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: clamp(0.9rem, 1.35vw, 1.02rem);
}

.node-index {
  position: relative;
  z-index: 1;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  opacity: 0.82;
}

.language-node.is-active {
  color: var(--text);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 100%, white 12%), color-mix(in srgb, var(--surface) 80%, transparent));
  border-color: color-mix(in srgb, var(--text) 58%, transparent);
  box-shadow:
    0 18px 42px color-mix(in srgb, var(--text) 10%, transparent),
    0 0 0 7px color-mix(in srgb, var(--text) 5%, transparent),
    0 0 22px color-mix(in srgb, var(--text) 10%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 22%, transparent);
  outline: none;
}

.language-node:hover,
.language-node:focus-visible {
  color: var(--text);
  border-color: color-mix(in srgb, var(--text) 58%, transparent);
  box-shadow:
    0 18px 42px color-mix(in srgb, var(--text) 10%, transparent),
    0 0 0 7px color-mix(in srgb, var(--text) 5%, transparent),
    0 0 22px color-mix(in srgb, var(--text) 10%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 22%, transparent);
  outline: none;
  transform:
    translate(-50%, -50%)
    translate3d(
      calc(var(--universe-x) * var(--node-depth-x, 10px)),
      calc(var(--universe-y) * var(--node-depth-y, 10px)),
      0
    )
    scale(1.06);
}

.node-cpp {
  left: 14%;
  top: 60%;
  --node-depth-x: -15px;
  --node-depth-y: -9px;
  animation-delay: -0.6s;
  transition-delay: 180ms;
}

.node-html {
  left: 86%;
  top: 60%;
  --node-depth-x: 13px;
  --node-depth-y: -14px;
  animation-delay: -1.2s;
  transition-delay: 250ms;
}

.node-css {
  left: 28%;
  top: 78%;
  --node-depth-x: -11px;
  --node-depth-y: 16px;
  animation-delay: -2.1s;
  transition-delay: 320ms;
}

.node-js {
  left: 72%;
  top: 78%;
  --node-depth-x: 16px;
  --node-depth-y: 12px;
  animation-delay: -2.7s;
  transition-delay: 390ms;
}

.node-py {
  left: 50%;
  top: 40%;
  --node-depth-x: 0px;
  --node-depth-y: 18px;
  animation-delay: -3.1s;
  transition-delay: 460ms;
}

.language-insight {
  position: relative;
  width: 100%;
  padding: 26px;
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-radius: 22px;
  background:
    linear-gradient(150deg, color-mix(in srgb, var(--surface-strong) 88%, transparent), color-mix(in srgb, var(--surface) 68%, transparent)),
    color-mix(in srgb, var(--surface) 72%, transparent);
  box-shadow:
    0 28px 56px color-mix(in srgb, var(--text) 7%, transparent),
    0 0 38px color-mix(in srgb, var(--text) 4%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 18%, transparent);
  backdrop-filter: blur(16px);
  transform: translate3d(
    calc(var(--universe-x) * 5px),
    calc(var(--universe-y) * 5px),
    0
  );
  z-index: 4;
  transition: transform 180ms ease;
}

.language-insight-kicker {
  margin: 0 0 8px;
  color: color-mix(in srgb, var(--text) 72%, transparent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.language-insight h3 {
  margin: 0;
  font-size: 1.34rem;
  line-height: 1.1;
  color: var(--text);
}

[data-language-insight-text] {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.language-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.language-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--text) 14%, transparent);
  background: color-mix(in srgb, var(--surface-strong) 44%, transparent);
  color: color-mix(in srgb, var(--text) 78%, transparent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.career-section {
  --career-ufo-y: -60;
  --career-ufo-opacity: 1;
  --career-ufo-scale: 1;
  --career-card-y: 180;
  --career-card-opacity: 0;
  --career-card-scale: 0.94;
  --career-alien-y: 64;
  --career-alien-opacity: 0;
  --career-alien-scale: 0.78;
  position: relative;
  min-height: 168vh;
  min-height: 168svh;
  min-height: 168dvh;
  padding-bottom: clamp(54px, 7vh, 96px);
  overflow: clip;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 36%, color-mix(in srgb, var(--text) 7%, transparent), transparent 34%),
    radial-gradient(circle at 68% 62%, color-mix(in srgb, var(--secondary) 8%, transparent), transparent 30%),
    transparent;
}

.career-sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(24px, 5vw, 56px) clamp(24px, 5vw, 56px) clamp(92px, 11vh, 140px);
}

.career-scene {
  position: relative;
  width: min(100%, 1120px);
  min-height: min(760px, calc(var(--app-height, 100dvh) - 56px));
  display: grid;
  place-items: center;
  isolation: isolate;
  padding-bottom: clamp(52px, 8vh, 96px);
}

.career-orbit {
  position: absolute;
  left: 50%;
  top: 52%;
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
  pointer-events: none;
  opacity: 0.72;
}

.career-orbit-a {
  width: min(74vw, 620px);
  height: min(42vw, 340px);
}

.career-orbit-b {
  width: min(52vw, 430px);
  height: min(30vw, 250px);
  transform: translate(-50%, -50%) rotate(18deg);
  opacity: 0.42;
}

.career-ufo,
.career-alien,
.career-card-stack {
  position: absolute;
  will-change: transform, opacity;
}

.career-ufo {
  left: 50%;
  top: 9%;
  width: clamp(156px, 22vw, 270px);
  z-index: 6;
  opacity: var(--career-ufo-opacity);
  transform:
    translate3d(-50%, calc(var(--career-ufo-y) * 1px), 0)
    scale(var(--career-ufo-scale));
  filter: drop-shadow(0 22px 28px color-mix(in srgb, var(--text) 18%, transparent));
}

.career-ufo-img {
  display: block;
  width: 100%;
  height: auto;
  animation: careerFloat 5.8s ease-in-out infinite;
}

.career-card-stack {
  --career-card-height: 267px;
  left: 50%;
  top: 47%;
  width: min(630px, calc(100vw - 88px));
  height: var(--career-card-height);
  min-height: var(--career-card-height);
  border-radius: 28px;
  z-index: 4;
  opacity: var(--career-card-opacity);
  perspective: 1100px;
  transform-style: preserve-3d;
  isolation: isolate;
  cursor: ns-resize;
  touch-action: none;
  overscroll-behavior: contain;
  -webkit-user-select: none;
  user-select: none;
  transform:
    translate3d(-50%, calc(-50% + var(--career-card-y) * 1px), 0)
    scale(var(--career-card-scale));
}

.career-card-stack::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 88%, transparent), color-mix(in srgb, var(--surface) 66%, transparent));
  opacity: 0;
  z-index: 0;
  pointer-events: none;
}

html.theme-dark .career-card-stack::before,
body.theme-dark .career-card-stack::before {
  opacity: 0.92;
}

.career-card-layer {
  position: absolute;
  inset: -2px;
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 0;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  border-radius: 26px;
  overflow: hidden;
  background-clip: padding-box;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 88%, transparent), color-mix(in srgb, var(--surface) 66%, transparent));
  box-shadow:
    0 30px 70px color-mix(in srgb, var(--text) 10%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 18%, transparent);
  backdrop-filter: blur(18px);
  transform-origin: 50% 18%;
  will-change: transform, opacity, filter;
  overscroll-behavior: contain;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition:
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 420ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 420ms ease,
    box-shadow 420ms ease;
}

.layer-card-scroll {
  max-height: calc(var(--career-card-height) + 4px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.layer-card-scroll::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.career-card-layer::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background:
    linear-gradient(115deg, color-mix(in srgb, white 18%, transparent), transparent 46%),
    radial-gradient(circle at 70% 14%, color-mix(in srgb, var(--text) 7%, transparent), transparent 34%);
  pointer-events: none;
}

.career-card-layer::before {
  z-index: 1;
}

.career-card-layer > * {
  position: relative;
  z-index: 2;
  transition: opacity 240ms ease;
}

.career-card-layer.is-active {
  z-index: 6;
  opacity: 1;
  filter: blur(0);
  transform: translate3d(0, 0, 34px) rotateX(0deg) scale(1);
}

.career-card-layer:not(.is-active) > * {
  opacity: 0;
}

.career-card-layer.is-before {
  z-index: 2;
  opacity: 0.34;
  filter: blur(0.5px);
  transform: translate3d(0, 24px, -34px) rotateX(7deg) scale(0.97);
}

.career-card-stack[data-active-layer="3"] .career-card-layer.is-before {
  opacity: 0;
  visibility: hidden;
  box-shadow: none;
  transform: translate3d(0, -20px, -34px) rotateX(-5deg) scale(0.97);
}

.career-card-stack[data-active-layer="3"] .career-card-layer:not(.is-active) {
  opacity: 0.001;
  visibility: visible;
  box-shadow: none;
}

.career-card-stack[data-active-layer="3"] .career-card-layer-3.is-active {
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 88%, transparent), color-mix(in srgb, var(--surface) 66%, transparent));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, white 14%, transparent);
}

.career-card-stack[data-active-layer="3"] .career-card-layer-3.is-active::before {
  display: block;
  opacity: 1;
  background:
    linear-gradient(115deg, color-mix(in srgb, white 18%, transparent), transparent 46%),
    radial-gradient(circle at 70% 14%, color-mix(in srgb, var(--text) 7%, transparent), transparent 34%);
}

.career-card-layer.is-after {
  z-index: 4;
  opacity: 0.62;
  filter: blur(0.2px);
  transform: translate3d(0, -15px, -18px) rotateX(-5deg) scale(0.985);
}

.career-card-layer.is-after + .career-card-layer.is-after,
.career-card-stack[data-active-layer="1"] .career-card-layer-3 {
  z-index: 3;
  opacity: 0.42;
  transform: translate3d(0, -30px, -36px) rotateX(-8deg) scale(0.965);
}

.career-card-stack.is-switching-forward .career-card-layer.is-active {
  animation: careerLayerForwardIn 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.career-card-stack.is-switching-back .career-card-layer.is-active {
  animation: careerLayerBackIn 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.career-card-stack[data-active-layer="3"].is-switching-back .career-card-layer-3.is-active {
  animation: careerLayerForwardIn 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.career-kicker {
  margin: 0 0 12px;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.career-card-layer h2 {
  margin: 0;
  color: var(--text);
  line-height: 0.95;
  letter-spacing: 0;
  text-align: center;
  overflow-wrap: anywhere;
}

.career-title-primary {
  font-size: clamp(5.2rem, 8.6vw, 8.2rem);
  font-weight: 900;
}

.career-title-medium {
  max-width: 100%;
  font-size: clamp(2.8rem, 5.4vw, 4.8rem);
  font-weight: 850;
  line-height: 1.04;
  white-space: nowrap;
}

.career-layer-text {
  max-width: 24ch;
  margin: 16px 0 0;
  color: color-mix(in srgb, var(--muted) 88%, transparent);
  font-size: clamp(0.95rem, 1.7vw, 1.08rem);
  line-height: 1.72;
  text-align: center;
}

.career-statement {
  max-width: 24ch;
  margin: 0;
  color: var(--text);
  font-size: clamp(1.45rem, 2.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: 0;
  text-align: center;
  text-wrap: balance;
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
}

html[lang="en"] .career-statement {
  word-break: break-word;
}

.career-alien {
  left: 50%;
  top: 68%;
  width: clamp(86px, 14vw, 150px);
  z-index: 5;
  opacity: var(--career-alien-opacity);
  transform:
    translate3d(-50%, calc(var(--career-alien-y) * 1px), 0)
    scale(var(--career-alien-scale));
  filter: drop-shadow(0 18px 34px color-mix(in srgb, var(--text) 18%, transparent));
}

.career-alien-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 32%;
  animation: careerAlienFloat 6.4s ease-in-out infinite;
}

.photo-section {
  --photo-bg: transparent;
  --photo-insert-progress: 0;
  --photo-queue-y: 140px;
  --photo-queue-opacity: 0;
  --photo-queue-bleed: clamp(96px, 14vh, 160px);
  --photo-queue-bottom-offset: 0px;
  --photo-stage-headroom: 0px;
  --photo-stage-offset: 0px;
  --photo-queue-shift: 0px;
  --photo-queue-final-bottom: clamp(18px, 5.5vh, 78px);
  --photo-queue-final-y: clamp(360px, 48vh, 600px);
  --photo-title-top: 72px;
  position: relative;
  min-height: 450vh;
  min-height: 450svh;
  min-height: 450dvh;
  color: var(--text);
  overflow: visible;
  background: transparent;
}

.photo-sticky {
  position: relative;
  min-height: inherit;
  display: block;
  padding: 0;
  overflow: visible;
}

.photo-shell {
  min-height: inherit;
  display: block;
  position: relative;
  padding-top: 1px;
}

.photo-heading {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.photo-fixed-title {
  --photo-fixed-title-opacity: 0;
  position: fixed;
  top: 80px;
  left: 50%;
  z-index: 30;
  display: grid;
  justify-items: center;
  gap: 10px;
  margin: 0 auto;
  text-align: center;
  opacity: var(--photo-fixed-title-opacity);
  pointer-events: none;
  transform: translate3d(-50%, var(--photo-title-y, 24px), 0) scale(0.98);
  transition:
    opacity 320ms ease,
    transform 360ms ease;
  will-change: opacity, transform;
}

.photo-fixed-title.is-visible {
  transform: translate3d(-50%, var(--photo-title-y, 0px), 0) scale(1);
}

.photo-fixed-title .eyebrow,
.photo-heading .eyebrow {
  margin: 0;
}

.photo-title {
  margin: 0;
  color: var(--text);
  font-size: clamp(3rem, 7.5vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-shadow: 0 16px 42px color-mix(in srgb, var(--text) 10%, transparent);
}

.photo-stage {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  height: var(--app-height, 100dvh);
  margin-top: 0;
  isolation: isolate;
  overflow: visible;
  background: transparent;
}

.photo-queue {
  position: absolute;
  left: 50%;
  top: auto;
  --photo-queue-bottom-offset: 0px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + var(--photo-queue-final-bottom) - var(--photo-queue-bottom-offset));
  z-index: 20;
  display: block;
  gap: clamp(12px, 2vw, 22px);
  opacity: var(--photo-queue-opacity);
  transform: translate3d(-50%, calc(var(--photo-queue-y) + var(--photo-queue-final-y)), 0);
  width: min(980px, 100%);
  height: clamp(180px, 18vw, 220px);
  pointer-events: none;
  will-change: transform, opacity;
}

.photo-queue::before {
  content: "";
  position: absolute;
  left: max(-36px, -4vw);
  right: max(-36px, -4vw);
  top: -18px;
  bottom: calc(-1 * var(--photo-queue-bleed));
  z-index: 0;
  border-radius: 28px 28px 0 0;
  background: transparent;
  pointer-events: none;
}

.photo-show-all-button {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1400;
  border: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  border-radius: 999px;
  padding: 0.68rem 1.05rem;
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
  color: var(--text);
  font: inherit;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow:
    0 14px 34px color-mix(in srgb, var(--text) 8%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 24%, transparent);
  opacity: var(--photo-show-all-opacity, 0);
  pointer-events: none;
  transform:
    translate3d(var(--photo-show-all-x, 50vw), var(--photo-show-all-y, 50vh), 0)
    translate(-50%, -100%);
  transition:
    opacity 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
  white-space: nowrap;
  backdrop-filter: blur(18px);
  will-change: transform, opacity;
}

.photo-show-all-button.is-visible {
  pointer-events: auto;
}

.photo-show-all-button:hover {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--line));
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
}

.photo-card {
  --photo-card-shadow-strength: 4.8%;
  position: relative;
  flex: 0 0 auto;
  width: clamp(132px, 13vw, 160px);
  aspect-ratio: 8 / 11;
  border: 1px solid color-mix(in srgb, var(--line) 92%, transparent);
  border-radius: 20px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 86%, transparent), color-mix(in srgb, var(--surface) 66%, transparent)),
    radial-gradient(circle at 28% 18%, color-mix(in srgb, white 24%, transparent), transparent 38%);
  box-shadow:
    0 16px 36px color-mix(in srgb, var(--text) var(--photo-card-shadow-strength), transparent),
    inset 0 1px 0 color-mix(in srgb, white 20%, transparent);
  backdrop-filter: blur(16px);
  overflow: hidden;
  transform: translate3d(0, 0, 0);
  transition:
    box-shadow 300ms ease,
    border-color 300ms ease;
  will-change: transform, opacity;
}

.photo-card::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--text) 5%, transparent), transparent 42%),
    color-mix(in srgb, var(--surface-strong) 36%, transparent);
}

.photo-card::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 20px;
  height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 12%, transparent);
}

.photo-queue-card {
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 1;
  transition: none;
  transform-origin: center center;
}

.photo-floating-card {
  --photo-card-depth: 8px;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 25;
  opacity: 0.18;
  pointer-events: none;
  transform-origin: center center;
  box-shadow:
    0 var(--photo-card-depth) 42px color-mix(in srgb, var(--text) var(--photo-card-shadow-strength), transparent),
    inset 0 1px 0 color-mix(in srgb, white 24%, transparent);
}

.photo-floating-card .photo-card-shine {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 24%, color-mix(in srgb, white 28%, transparent) 45%, transparent 62%);
  transform: translateX(var(--photo-shine-x, -18%));
  opacity: 0.54;
  pointer-events: none;
}

html.theme-dark .photo-card,
body.theme-dark .photo-card {
  border-color: color-mix(in srgb, white 16%, transparent);
  background:
    linear-gradient(145deg, rgba(42, 42, 42, 0.86), rgba(14, 14, 14, 0.82)),
    radial-gradient(circle at 28% 18%, rgba(255, 255, 255, 0.12), transparent 42%);
  box-shadow:
    0 24px 58px rgba(0, 0, 0, 0.46),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -18px 36px rgba(255, 255, 255, 0.035);
}

html.theme-dark .photo-card::before,
body.theme-dark .photo-card::before {
  border-color: rgba(255, 255, 255, 0.13);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.075), transparent 46%),
    rgba(255, 255, 255, 0.035);
}

html.theme-dark .photo-card::after,
body.theme-dark .photo-card::after {
  background: rgba(255, 255, 255, 0.22);
}

html.theme-dark .photo-section,
body.theme-dark .photo-section {
  --photo-bg: var(--chrome-bg);
  background: var(--photo-bg);
  background-color: var(--photo-bg);
}

html.theme-dark .photo-sticky,
body.theme-dark .photo-sticky,
html.theme-dark .photo-shell,
body.theme-dark .photo-shell,
html.theme-dark .photo-stage,
body.theme-dark .photo-stage,
html.theme-dark .photo-queue,
body.theme-dark .photo-queue {
  background: transparent;
  background-color: transparent;
}

html.theme-dark .photo-queue::before,
body.theme-dark .photo-queue::before {
  background: transparent;
}

.feature-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 40px;
  will-change: transform, opacity;
}

.feature-card {
  border-radius: 24px;
  padding: 24px;
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 500ms ease,
    transform 500ms ease,
    border-color 250ms ease;
}

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

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.34);
}

.feature-card p {
  color: var(--muted);
  line-height: 1.75;
}

.cinematic-section {
  margin: 10vh 0 4vh;
}

.cinematic-copy {
  max-width: 820px;
  margin: 0 auto 36px;
  text-align: center;
}

.cinematic-title {
  margin: 0;
  font-size: clamp(3.2rem, 7.5vw, 6.6rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.cinematic-title span {
  display: block;
  color: color-mix(in srgb, var(--text) 62%, var(--primary) 38%);
}

.cinematic-text {
  margin: 20px auto 0;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.85;
}

.story-stack {
  display: grid;
  gap: 22px;
}

.story-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  min-height: 76vh;
  padding: 26px;
  border-radius: 34px;
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.08), transparent 44%),
    var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.story-screen,
.story-info {
  position: relative;
}

.story-screen {
  min-height: 440px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--primary) 24%, transparent), transparent 30%),
    radial-gradient(circle at 80% 70%, color-mix(in srgb, var(--secondary) 18%, transparent), transparent 32%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  overflow: hidden;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.story-info {
  will-change: transform, opacity;
}

.story-index {
  margin: 0 0 10px;
  color: var(--primary);
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}

.story-info h3 {
  margin: 0;
  font-size: clamp(2.2rem, 4.8vw, 3.8rem);
  line-height: 1.02;
}

.story-info p:last-child {
  margin: 18px 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--muted);
  line-height: 1.8;
}

.story-device,
.story-beam,
.story-grid,
.story-ring {
  position: absolute;
  will-change: transform, opacity;
}

.story-device {
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.02)),
    linear-gradient(145deg, rgba(8, 18, 36, 0.82), rgba(18, 34, 58, 0.44));
  box-shadow:
    0 26px 70px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.story-device-main {
  width: 72%;
  height: 78%;
  left: 14%;
  top: 11%;
}

.story-device-side {
  width: 38%;
  height: 82%;
  right: 14%;
  top: 8%;
  transform: rotate(9deg);
}

.story-device-float {
  width: 48%;
  height: 70%;
  left: 26%;
  top: 15%;
}

.story-beam {
  inset: auto auto -10% -6%;
  width: 120%;
  height: 48%;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--primary) 48%, transparent), transparent);
  filter: blur(22px);
  transform: rotate(-8deg);
  opacity: 0.9;
}

.story-grid {
  inset: 8% 8%;
  border-radius: 24px;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 46%, transparent 88%);
  opacity: 0.7;
}

.story-ring {
  width: 340px;
  height: 340px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 0 0 28px rgba(255, 255, 255, 0.03),
    0 0 0 56px rgba(255, 255, 255, 0.02);
}

.story-panel-b {
  grid-template-columns: 0.9fr 1.1fr;
}

.story-panel-b .story-screen {
  order: 2;
}

.story-panel-b .story-info {
  order: 1;
}

body.pulse-active::after {
  content: "";
  position: fixed;
  inset: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(255, 255, 255, 0.4);
  animation: shockwave 700ms ease-out forwards;
  pointer-events: none;
  z-index: 4;
}

@keyframes float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -18px, 0);
  }
}

@keyframes shockwave {
  from {
    opacity: 0.75;
    width: 16px;
    height: 16px;
  }
  to {
    opacity: 0;
    width: 120vmax;
    height: 120vmax;
  }
}

@keyframes node-float {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -7px;
  }
}

@keyframes brainFloat {
  0%,
  100% {
    translate: 0 0;
  }
  25% {
    translate: 5px -5px;
  }
  50% {
    translate: -4px -10px;
  }
  75% {
    translate: 4px -4px;
  }
}

@keyframes careerFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-2deg);
  }
  50% {
    transform: translate3d(0, -10px, 0) rotate(2deg);
  }
}

@keyframes careerAlienFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -8px, 0);
  }
}

@keyframes careerLayerForwardIn {
  from {
    opacity: 0.45;
    transform: translate3d(0, 36px, -28px) rotateX(-14deg) scale(0.97);
  }
}

@keyframes careerLayerBackIn {
  from {
    opacity: 0.45;
    transform: translate3d(0, -36px, -28px) rotateX(14deg) scale(0.97);
  }
}

@media (max-width: 920px) {
  .hero-shell,
  .feature-section,
  .story-panel,
  .story-panel-b {
    grid-template-columns: 1fr;
  }

  .hero-shell {
    padding: 32px 0 40px;
    align-content: center;
  }

  .hero-visual {
    min-height: 420px;
  }

  .language-section {
    min-height: 100vh;
    min-height: 100svh;
    padding: 24px 0 56px;
  }

  .language-universe {
    min-height: 860px;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 0;
  }

  .language-index {
    grid-template-columns: repeat(5, auto);
    justify-content: center;
    gap: 20px;
  }

  .language-stage {
    width: 100%;
    min-height: 650px;
  }

  .language-heading {
    max-width: 540px;
    margin: 0 auto;
    text-align: center;
    justify-items: center;
    padding: 0;
    border-left: 0;
  }

  .brain-wrap {
    left: 50%;
    top: 64%;
    width: min(600px, 92vw);
  }

  .language-insight {
    justify-self: center;
    width: min(420px, calc(100% - 40px));
    transform: none;
  }

  .story-panel-b .story-screen,
  .story-panel-b .story-info {
    order: initial;
  }

  .story-panel {
    min-height: auto;
  }

  .story-screen {
    min-height: 320px;
  }
}

@media (max-width: 680px) {
  :root {
    --topbar-gap: 10px;
    --topbar-top: max(10px, calc(env(safe-area-inset-top, 0px) + 4px));
    --topbar-right: 12px;
    --topbar-button-size: 48px;
  }

  .section-shell {
    width: min(1180px, calc(100% - 24px));
  }

  .first-screen-shell {
    gap: 0;
    padding-top: 0;
  }

  #language-switcher .language-globe-icon {
    width: 21px;
    height: 21px;
  }

  #language-switcher .language-menu {
    min-width: min(180px, calc(100vw - 28px));
    padding: 10px;
  }

  #language-switcher .language-option {
    padding: 12px 14px;
    border-radius: 18px;
  }

  #language-switcher .language-option-name {
    font-size: 0.94rem;
  }

  .welcome-word {
    height: clamp(150px, 42vw, 220px);
    font-size: clamp(3.9rem, 20vw, 6.4rem);
  }

  h1 {
    font-size: clamp(2.6rem, 15vw, 4rem);
    max-width: 10ch;
  }

  .hero-shell {
    gap: 24px;
    padding: 28px 0 32px;
  }

  .hero-copy {
    max-width: min(100%, 520px);
    justify-items: center;
    text-align: center;
    margin: 0 auto;
  }

  .hero-text {
    margin: 14px 0 0;
    max-width: 12ch;
    font-size: clamp(1.95rem, 9vw, 3.2rem);
    line-height: 1.06;
  }

  html[lang="en"] .hero-text,
  html[lang="ja"] .hero-text {
    max-width: 16ch;
    font-size: clamp(1.65rem, 7.4vw, 2.8rem);
  }

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

  .glass-panel {
    padding: 20px;
    border-radius: 24px;
  }

  .language-section {
    min-height: 100vh;
    min-height: 100svh;
    padding: 10px 0 58px;
  }

  .language-section-title {
    max-width: 11ch;
    font-size: clamp(1.95rem, 8.8vw, 3rem);
    line-height: 1.05;
  }

  .language-universe {
    min-height: 820px;
    padding: 20px 0;
  }

  .language-universe::after {
    width: 300px;
    height: 300px;
  }

  .language-stage {
    min-height: 620px;
  }

  .language-index {
    gap: 18px;
  }

  .language-index-item {
    min-width: 36px;
    font-size: 0.78rem;
  }

  .brain-wrap {
    left: 50%;
    width: min(500px, 98vw);
    top: 62%;
  }

  .language-node {
    min-width: 78px;
    min-height: 40px;
    padding: 0 13px;
  }

  .node-cpp {
    left: 13%;
    top: 60%;
  }

  .node-html {
    left: 87%;
    right: auto;
    top: 60%;
  }

  .node-css {
    left: 24%;
    bottom: auto;
    top: 78%;
  }

  .node-js {
    left: 76%;
    right: auto;
    bottom: auto;
    top: 78%;
  }

  .node-py {
    left: 50%;
    top: 42%;
  }

  .language-insight {
    padding: 16px 18px;
  }

  .career-section {
    min-height: 162vh;
    min-height: 162svh;
    min-height: 162dvh;
    padding-bottom: 74px;
  }

  .career-sticky {
    padding: 18px 18px 104px;
  }

  .career-scene {
    min-height: calc(var(--app-height, 100dvh) - 36px);
    padding-bottom: 74px;
  }

  .career-ufo {
    top: 13%;
    width: clamp(132px, 44vw, 210px);
  }

  .career-card-stack {
    top: 48%;
    --career-card-height: 190px;
  }

  .career-card-layer {
    align-content: center;
    padding: 26px 24px;
  }

  .career-title-primary {
    font-size: clamp(4rem, 15vw, 6rem);
    line-height: 0.98;
  }

  .career-title-medium {
    max-width: 100%;
    font-size: clamp(2.08rem, 8.2vw, 3.55rem);
    line-height: 1.08;
  }

  .career-statement {
    max-width: 23ch;
    font-size: clamp(1.02rem, 4.7vw, 1.42rem);
    line-height: 1.46;
  }

  html[lang="en"] .career-statement,
  html[lang="ja"] .career-statement {
    max-width: 25ch;
    font-size: clamp(0.98rem, 4.35vw, 1.3rem);
    line-height: 1.44;
  }

  .career-alien {
    top: 67%;
    width: clamp(72px, 24vw, 118px);
  }

  .photo-section {
    --photo-title-top: 64px;
    --photo-queue-final-bottom: clamp(16px, 5vh, 62px);
    --photo-queue-final-y: clamp(240px, 41vh, 408px);
    min-height: 420vh;
    min-height: 420svh;
    min-height: 420dvh;
  }

  .photo-sticky {
    padding: 0;
  }

  .photo-shell {
    min-height: inherit;
    height: auto;
  }

  .photo-title {
    font-size: clamp(2.7rem, 15vw, 4.4rem);
  }

  .photo-fixed-title {
    top: 64px;
  }

  .photo-stage {
    min-height: 0;
    height: var(--app-height, 100dvh);
    margin-top: 0;
    overflow: visible;
  }

  .photo-queue {
    top: auto;
    --photo-queue-bottom-offset: 0px;
    --photo-stage-headroom: 0px;
    bottom: calc(env(safe-area-inset-bottom, 0px) + var(--photo-queue-final-bottom) - var(--photo-queue-bottom-offset));
    gap: 6px;
    width: calc(100vw - 24px);
  }

  .photo-card {
    width: clamp(163px, 34.8vw, 229px);
    border-radius: 19px;
    box-shadow:
      0 12px 26px color-mix(in srgb, var(--text) 3.2%, transparent),
      inset 0 1px 0 color-mix(in srgb, white 18%, transparent);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .photo-card::before {
    inset: 8px;
    border-radius: 11px;
  }

  .photo-card::after {
    left: 13px;
    right: 13px;
    bottom: 14px;
  }

  .photo-floating-card {
    box-shadow:
      0 var(--photo-card-depth) 28px color-mix(in srgb, var(--text) var(--photo-card-shadow-strength), transparent),
      inset 0 1px 0 color-mix(in srgb, white 20%, transparent);
  }

  .photo-floating-card .photo-card-shine {
    opacity: 0.28;
    transform: translateX(0);
  }

  html.theme-dark .photo-card,
  body.theme-dark .photo-card {
    box-shadow:
      0 16px 32px rgba(0, 0, 0, 0.34),
      inset 0 1px 0 rgba(255, 255, 255, 0.14),
      inset 0 -10px 22px rgba(255, 255, 255, 0.025);
  }

  .panel-top {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .panel-avatar {
    width: 100%;
    max-width: 220px;
    height: 150px;
  }

  .panel-avatar-image {
    object-position: center calc(50% - 25px);
  }

  .panel-copy h2 {
    margin: 0 0 8px;
    font-size: clamp(1.4rem, 7vw, 1.9rem);
  }

  .panel-copy p {
    font-size: 1rem;
    line-height: 1.6;
  }

  .panel-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 16px;
  }

  .panel-grid span {
    padding: 11px 12px;
  }

  .feature-card {
    padding: 20px;
  }

  .cinematic-title {
    font-size: clamp(2.3rem, 12vw, 4rem);
    line-height: 0.98;
  }

  .story-panel {
    padding: 20px;
    border-radius: 26px;
  }

  .story-info h3 {
    font-size: clamp(1.85rem, 9vw, 2.8rem);
  }

  .story-info p:last-child {
    margin-top: 14px;
    font-size: 1rem;
    line-height: 1.7;
  }

  .welcome-hint {
    font-size: 0.92rem;
  }

}

@media (max-width: 480px) {
  :root {
    --topbar-gap: 8px;
    --topbar-top: max(8px, calc(env(safe-area-inset-top, 0px) + 2px));
    --topbar-right: 10px;
    --topbar-button-size: 44px;
  }

  .section-shell {
    width: min(1180px, calc(100% - 18px));
  }

  .first-screen-shell {
    gap: 0;
    padding-top: 0;
  }

  #language-switcher .language-globe-icon {
    width: 19px;
    height: 19px;
  }

  #language-switcher .language-menu {
    min-width: min(168px, calc(100vw - 22px));
    padding: 8px;
    border-radius: 24px;
  }

  #language-switcher .language-option {
    padding: 11px 12px;
    border-radius: 16px;
  }

  #language-switcher .language-option-code {
    font-size: 0.66rem;
  }

  #language-switcher .language-option-name {
    font-size: 0.88rem;
  }

  .welcome-stage {
    min-height: 100%;
  }

  .welcome-word {
    height: clamp(136px, 40vw, 180px);
    font-size: clamp(3.1rem, 18vw, 4.8rem);
  }

  .hero-shell {
    gap: 18px;
    padding-top: 22px;
  }

  .hero-visual {
    min-height: 340px;
  }

  .orb-a {
    width: 132px;
    height: 132px;
    top: 18px;
    left: 10px;
  }

  .orb-b {
    width: 164px;
    height: 164px;
    right: 6px;
    bottom: 40px;
  }

  .glass-panel {
    padding: 18px;
  }

  .language-section {
    min-height: 100vh;
    min-height: 100svh;
    padding: 0 0 48px;
  }

  .language-universe {
    min-height: 780px;
    padding: 14px 0;
  }

  .language-stage {
    min-height: 580px;
  }

  .brain-wrap {
    left: 50%;
    width: min(390px, 96vw);
    top: 61%;
  }

  .language-heading {
    padding: 0 8px;
  }

  .language-node {
    min-width: 68px;
    min-height: 38px;
    padding: 0 10px;
  }

  .node-index {
    display: none;
  }

  .node-cpp {
    left: 13%;
    top: 60%;
  }

  .node-html {
    left: 87%;
    right: auto;
    top: 60%;
  }

  .node-css {
    left: 24%;
    bottom: auto;
    top: 78%;
  }

  .node-js {
    left: 76%;
    right: auto;
    bottom: auto;
    top: 78%;
  }

  .node-py {
    left: 50%;
    top: 42%;
  }

  .node-label {
    font-size: 0.9rem;
  }

  .language-insight {
    width: calc(100% - 28px);
    border-radius: 18px;
  }

  .career-section {
    min-height: 160vh;
    min-height: 160svh;
    min-height: 160dvh;
    padding-bottom: 66px;
  }

  .career-orbit-a {
    width: 118vw;
    height: 66vw;
  }

  .career-orbit-b {
    width: 82vw;
    height: 48vw;
  }

  .career-card-stack {
    width: calc(100vw - 34px);
    --career-card-height: 184px;
  }

  .career-card-layer {
    padding: 26px 22px;
  }

  .photo-section {
    --photo-title-top: 64px;
    --photo-queue-final-bottom: clamp(14px, 4.5vh, 48px);
    --photo-queue-final-y: clamp(151px, 34vh, 276px);
    min-height: 400vh;
    min-height: 400svh;
    min-height: 400dvh;
  }

  .photo-sticky {
    padding-top: 0;
  }

  .photo-heading {
    gap: 8px;
  }

  .photo-fixed-title {
    top: 64px;
    gap: 8px;
  }

  .photo-stage {
    min-height: 0;
    height: var(--app-height, 100dvh);
    margin-top: 0;
    overflow: visible;
  }

  .photo-queue {
    top: auto;
    --photo-queue-bottom-offset: 0px;
    --photo-stage-headroom: 0px;
    bottom: calc(env(safe-area-inset-bottom, 0px) + var(--photo-queue-final-bottom) - var(--photo-queue-bottom-offset));
    gap: 4px;
  }

  .photo-card {
    width: clamp(128px, 38.7vw, 171px);
    border-radius: 17px;
  }

  .career-title-primary {
    font-size: clamp(3.35rem, 15.5vw, 4.8rem);
    line-height: 1;
  }

  .career-title-medium {
    max-width: 100%;
    font-size: clamp(1.72rem, 7.9vw, 2.72rem);
    line-height: 1.1;
  }

  .career-statement {
    max-width: 24ch;
    font-size: clamp(0.94rem, 4.35vw, 1.16rem);
    line-height: 1.48;
  }

  html[lang="en"] .career-statement,
  html[lang="ja"] .career-statement {
    max-width: 25ch;
    font-size: clamp(0.86rem, 3.95vw, 1.04rem);
    line-height: 1.45;
  }

  [data-language-insight-text] {
    font-size: 0.9rem;
    line-height: 1.55;
  }

  .panel-avatar {
    max-width: 196px;
    height: 132px;
  }

  .panel-copy h2 {
    font-size: clamp(1.3rem, 6.6vw, 1.65rem);
  }

  .panel-copy p {
    font-size: 0.94rem;
    line-height: 1.5;
  }

  .panel-grid {
    gap: 7px;
    margin-top: 14px;
  }

  .panel-grid span {
    padding: 10px 11px;
    font-size: 0.92rem;
  }
}