:root {
  color-scheme: dark;
  --work-bg: #06142d;
  --work-bg-deep: #030b1c;
  --work-surface: #0b2247;
  --work-surface-strong: #102f61;
  --work-surface-soft: #102751;
  --work-paper: #fff9ed;
  --work-text: #f7f4ff;
  --work-muted: #b7c6df;
  --work-ink: #14254b;
  --work-border: #3e6eae;
  --work-border-soft: rgba(91, 140, 255, 0.35);
  --work-blue: #5b8cff;
  --work-cyan: #52d7e8;
  --work-purple: #9b7aff;
  --work-pink: #ff83b6;
  --work-orange: #ffb56b;
  --work-cream: #fff2d5;
  --work-green: #64dfb2;
  --work-shadow: 0 18px 48px rgba(0, 5, 18, 0.34);
  --work-radius-sm: 12px;
  --work-radius-md: 18px;
  --work-radius-lg: 24px;
  --work-content: 1240px;
}

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

html {
  min-width: 0;
  background: var(--work-bg-deep);
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  margin: 0;
  overflow-x: hidden;
  color: var(--work-text);
  background:
    radial-gradient(circle at 12% 8%, rgba(82, 215, 232, 0.12), transparent 24rem),
    radial-gradient(circle at 88% 20%, rgba(155, 122, 255, 0.14), transparent 28rem),
    linear-gradient(180deg, #071a38 0%, var(--work-bg) 42%, var(--work-bg-deep) 100%);
  font-family: "Yu Gothic UI", "Hiragino Sans", "BIZ UDPGothic", system-ui, sans-serif;
  line-height: 1.7;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.72) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(82, 215, 232, 0.58) 0 1px, transparent 1.5px);
  background-position: 18px 34px, 74px 96px;
  background-size: 118px 118px, 173px 173px;
  content: "";
  opacity: 0.26;
  pointer-events: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: var(--work-cyan);
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

.no-js .js-only {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--work-ink);
  background: var(--work-cream);
  font-weight: 800;
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:focus-visible {
  outline: 3px solid var(--work-cream);
  outline-offset: 3px;
}

.work-screen h1[tabindex="-1"]:focus,
.work-screen h2[tabindex="-1"]:focus {
  outline: none;
}

.work-site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid rgba(91, 140, 255, 0.26);
  background: rgba(3, 11, 28, 0.9);
  box-shadow: 0 10px 36px rgba(0, 4, 17, 0.2);
  backdrop-filter: blur(14px);
}

.work-header-inner {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: center;
  gap: 24px;
  width: min(100% - 32px, var(--work-content));
  min-height: 76px;
  margin: 0 auto;
}

.work-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  min-height: 48px;
  color: var(--work-text);
  text-decoration: none;
}

.work-brand img {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(155, 122, 255, 0.58);
  border-radius: 13px;
  box-shadow: 0 0 24px rgba(91, 140, 255, 0.28);
}

.work-brand-copy {
  display: grid;
  line-height: 1.25;
}

.work-brand-copy strong {
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

.work-brand-copy small {
  margin-top: 3px;
  color: var(--work-muted);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.work-global-nav {
  display: flex;
  align-items: stretch;
  gap: 4px;
}

.work-global-nav a {
  display: inline-grid;
  place-items: center;
  min-width: 70px;
  min-height: 48px;
  padding: 0 12px;
  border-radius: 12px;
  color: var(--work-muted);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.work-global-nav a:hover,
.work-global-nav a[aria-current="page"] {
  color: var(--work-text);
  background: rgba(91, 140, 255, 0.15);
}

.work-global-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px var(--work-pink);
}

.work-safety-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid rgba(82, 215, 232, 0.35);
  border-radius: 999px;
  color: var(--work-cyan);
  background: rgba(82, 215, 232, 0.08);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.work-main {
  width: min(100% - 32px, var(--work-content));
  min-width: 0;
  margin: 0 auto;
  padding: 28px 0 64px;
}

.work-screen {
  min-width: 0;
  animation: work-screen-in 200ms ease-out both;
}

@keyframes work-screen-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.work-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  align-items: center;
  min-height: 440px;
  overflow: hidden;
  border: 1px solid var(--work-border-soft);
  border-radius: var(--work-radius-lg);
  background: linear-gradient(135deg, rgba(8, 37, 79, 0.96), rgba(7, 26, 61, 0.92));
  box-shadow: var(--work-shadow), inset 0 1px rgba(255, 255, 255, 0.04);
}

.work-hero::after {
  position: absolute;
  inset: auto 8% 0 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(82, 215, 232, 0.5), transparent);
  content: "";
}

.work-hero-copy {
  position: relative;
  z-index: 2;
  padding: clamp(28px, 5vw, 64px);
}

.work-kicker,
.work-section-kicker {
  margin: 0 0 8px;
  color: var(--work-cyan);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.work-hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 5rem);
  line-height: 1.08;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
}

.work-hero h1::after {
  color: var(--work-purple);
  content: "";
}

.work-hero-lead {
  margin: 20px 0 0;
  color: var(--work-cream);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 800;
}

.work-hero-note {
  max-width: 42rem;
  margin: 12px 0 0;
  color: var(--work-muted);
}

.work-hero-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.work-hero-features li {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  color: var(--work-text);
  font-size: 0.88rem;
  font-weight: 800;
}

.work-hero-features span {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(82, 215, 232, 0.42);
  border-radius: 10px;
  color: var(--work-cyan);
  background: rgba(82, 215, 232, 0.08);
}

.work-hero-visual {
  align-self: stretch;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #071b3c;
}

.work-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: work-hero-float 6s ease-in-out infinite alternate;
}

@keyframes work-hero-float {
  from { transform: scale(1.005) translateY(0); }
  to { transform: scale(1.015) translateY(-3px); }
}

.work-home-section {
  margin-top: 34px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(62, 110, 174, 0.48);
  border-radius: var(--work-radius-lg);
  background: rgba(6, 24, 55, 0.78);
  box-shadow: 0 16px 40px rgba(0, 5, 20, 0.2);
}

.work-section-heading,
.work-screen-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.work-section-heading h2,
.work-screen-heading h2,
.work-activity-heading h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.3;
}

.work-screen-heading > div > p:last-child {
  max-width: 50rem;
  margin: 8px 0 0;
  color: var(--work-muted);
}

.work-text-button,
.work-primary-button,
.work-secondary-button,
.work-print-button,
.work-back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 900;
  line-height: 1.25;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.work-text-button,
.work-secondary-button,
.work-back-button {
  border: 1px solid rgba(91, 140, 255, 0.4);
  color: var(--work-text);
  background: rgba(91, 140, 255, 0.1);
}

.work-primary-button {
  border: 1px solid rgba(126, 158, 255, 0.9);
  color: #fff;
  background: linear-gradient(135deg, #557ee9, #7b6ce8);
  box-shadow: 0 10px 24px rgba(55, 92, 199, 0.28);
}

.work-print-button {
  border: 1px solid rgba(82, 215, 232, 0.55);
  color: var(--work-cyan);
  background: rgba(82, 215, 232, 0.1);
}

.work-text-button:hover,
.work-primary-button:hover,
.work-secondary-button:hover,
.work-print-button:hover,
.work-back-button:hover {
  transform: translateY(-2px);
}

.work-category-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.work-category-card {
  position: relative;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 8px;
  min-width: 0;
  min-height: 210px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(91, 140, 255, 0.52);
  border-radius: var(--work-radius-md);
  color: var(--work-text);
  text-align: left;
  background: linear-gradient(160deg, rgba(18, 57, 117, 0.94), rgba(8, 31, 72, 0.96));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.work-category-card:hover,
.work-category-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--category-accent, var(--work-cyan));
  box-shadow: 0 14px 32px rgba(0, 8, 28, 0.3), 0 0 0 1px var(--category-accent, var(--work-cyan));
}

.work-category-card::after {
  position: absolute;
  right: -20px;
  bottom: -36px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--category-accent, var(--work-blue));
  content: "";
  opacity: 0.1;
  filter: blur(4px);
}

.work-category-card[data-category-id="observation"] { --category-accent: var(--work-cream); }
.work-category-card[data-category-id="planet"] { --category-accent: var(--work-orange); }
.work-category-card[data-category-id="constellation"] { --category-accent: var(--work-cyan); }
.work-category-card[data-category-id="craft"] { --category-accent: var(--work-pink); }
.work-category-card[data-category-id="quiz"] { --category-accent: var(--work-purple); }

.work-category-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid color-mix(in srgb, var(--category-accent) 55%, transparent);
  border-radius: 17px;
  color: var(--category-accent);
  background: color-mix(in srgb, var(--category-accent) 10%, transparent);
  font-size: 1.45rem;
}

.work-category-icon img {
  width: 50px;
  height: 36px;
  object-fit: contain;
}

.work-category-text {
  display: grid;
  gap: 7px;
  align-content: start;
}

.work-category-text small {
  color: var(--work-muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.work-category-card strong {
  font-size: 1.05rem;
}

.work-category-card p {
  margin: 0;
  color: var(--work-muted);
  font-size: 0.84rem;
}

.work-category-count {
  position: relative;
  z-index: 1;
  width: fit-content;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--work-text);
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.74rem;
  font-weight: 900;
}

.work-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  min-width: 0;
}

.work-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(91, 140, 255, 0.4);
  border-radius: var(--work-radius-md);
  background: linear-gradient(180deg, rgba(17, 52, 106, 0.96), rgba(8, 29, 65, 0.98));
  box-shadow: 0 12px 30px rgba(0, 7, 25, 0.22);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.work-card:hover,
.work-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(82, 215, 232, 0.72);
  box-shadow: 0 16px 34px rgba(0, 7, 25, 0.35);
}

.work-card figure {
  aspect-ratio: 10 / 7;
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(91, 140, 255, 0.32);
  background: #0b244e;
}

.work-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}

.work-card-category {
  margin: 0;
  color: var(--work-cyan);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.work-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.45;
}

.work-card-summary {
  flex: 1;
  margin: 0;
  color: var(--work-muted);
  font-size: 0.84rem;
}

.work-card-badges,
.work-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.work-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border: 1px solid rgba(91, 140, 255, 0.32);
  border-radius: 999px;
  color: var(--work-muted);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.7rem;
  font-weight: 800;
}

.work-badge-screen { color: var(--work-cyan); }
.work-badge-print { color: var(--work-cream); }

.work-card-open {
  width: 100%;
  min-height: 44px;
  margin-top: 2px;
  border: 1px solid rgba(91, 140, 255, 0.48);
  border-radius: 11px;
  color: var(--work-text);
  background: rgba(91, 140, 255, 0.14);
  font-weight: 900;
  cursor: pointer;
}

.work-mission-banner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  margin-top: 34px;
  padding: 24px 28px;
  border: 1px solid rgba(82, 215, 232, 0.55);
  border-radius: var(--work-radius-md);
  background:
    radial-gradient(circle at 86% 20%, rgba(155, 122, 255, 0.28), transparent 15rem),
    linear-gradient(115deg, rgba(12, 46, 101, 0.98), rgba(12, 31, 71, 0.98));
  box-shadow: 0 16px 38px rgba(0, 7, 25, 0.25);
}

.work-mission-mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(255, 131, 182, 0.55);
  border-radius: 18px;
  color: var(--work-pink);
  background: rgba(255, 131, 182, 0.12);
  font-size: 1.55rem;
}

.work-mission-banner h2,
.work-mission-banner p {
  margin: 0;
}

.work-mission-banner h2 {
  font-size: clamp(1.3rem, 3vw, 2rem);
}

.work-mission-banner p {
  margin-top: 5px;
  color: var(--work-muted);
}

.work-feature-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  overflow: hidden;
  border: 1px solid rgba(62, 110, 174, 0.42);
  border-radius: var(--work-radius-md);
  background: rgba(62, 110, 174, 0.3);
}

.work-feature-strip article {
  display: flex;
  gap: 13px;
  min-width: 0;
  padding: 21px;
  background: rgba(7, 28, 63, 0.98);
}

.work-feature-strip article > span {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--work-orange);
  font-size: 1.25rem;
}

.work-feature-strip h2,
.work-feature-strip p {
  margin: 0;
}

.work-feature-strip h2 {
  font-size: 0.92rem;
}

.work-feature-strip p {
  margin-top: 3px;
  color: var(--work-muted);
  font-size: 0.76rem;
}

.work-screen-library,
.work-screen-detail,
.work-screen-activity,
.work-screen-mission {
  min-height: 70vh;
  padding: clamp(20px, 4vw, 38px);
  border: 1px solid rgba(62, 110, 174, 0.48);
  border-radius: var(--work-radius-lg);
  background: rgba(5, 22, 51, 0.91);
  box-shadow: var(--work-shadow);
}

.work-library-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 26px;
  min-width: 0;
}

.work-library-sidebar {
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(91, 140, 255, 0.32);
  border-radius: var(--work-radius-md);
  background: rgba(8, 34, 75, 0.88);
}

.work-library-sidebar h3 {
  margin: 0 0 12px;
  color: var(--work-cyan);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.work-category-filters {
  display: grid;
  gap: 7px;
}

.work-filter-button {
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--work-muted);
  text-align: left;
  background: transparent;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
}

.work-filter-button:hover,
.work-filter-button[aria-pressed="true"] {
  border-color: rgba(91, 140, 255, 0.52);
  color: var(--work-text);
  background: rgba(91, 140, 255, 0.18);
}

.work-library-content {
  min-width: 0;
}

.work-screen-detail {
  max-width: 1040px;
  margin: 0 auto;
}

.work-screen-heading-compact {
  margin-bottom: 14px;
}

.work-detail-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.work-detail-visual {
  position: sticky;
  top: 20px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(91, 140, 255, 0.45);
  border-radius: var(--work-radius-md);
  background: #0b244e;
  box-shadow: 0 16px 38px rgba(0, 5, 18, 0.28);
}

.work-detail-visual img {
  width: 100%;
  height: auto;
}

.work-detail-copy {
  min-width: 0;
}

.work-detail-category {
  margin: 0 0 7px;
  color: var(--work-cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.work-detail-copy h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.25;
}

.work-detail-copy .work-meta-list {
  margin-top: 16px;
}

.work-detail-summary {
  margin: 20px 0;
  color: var(--work-muted);
  font-size: 1.02rem;
}

.work-detail-copy h3 {
  margin: 22px 0 10px;
  font-size: 1rem;
}

.work-outcome-list {
  display: grid;
  gap: 7px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.work-outcome-list li {
  position: relative;
  padding-left: 24px;
  color: var(--work-muted);
}

.work-outcome-list li::before {
  position: absolute;
  left: 2px;
  color: var(--work-green);
  content: "✓";
  font-weight: 900;
}

.work-parent-tip,
.work-privacy-note {
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 181, 107, 0.36);
  border-radius: var(--work-radius-sm);
  background: rgba(255, 181, 107, 0.08);
}

.work-parent-tip strong,
.work-privacy-note strong {
  color: var(--work-cream);
}

.work-parent-tip p,
.work-privacy-note p {
  margin: 4px 0 0;
  color: var(--work-muted);
  font-size: 0.88rem;
}

.work-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.work-activity-topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.work-activity-topbar .work-print-button {
  justify-self: end;
}

.work-activity-progress {
  margin: 0;
  color: var(--work-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.work-activity-heading {
  margin-bottom: 18px;
}

.work-activity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.85fr);
  gap: 20px;
  align-items: start;
  min-width: 0;
}

.work-activity-surface,
.work-activity-panel {
  min-width: 0;
  border-radius: var(--work-radius-md);
}

.work-activity-surface {
  min-height: 520px;
  padding: clamp(18px, 3vw, 30px);
  color: var(--work-ink);
  background:
    linear-gradient(rgba(62, 110, 174, 0.09) 1px, transparent 1px),
    var(--work-paper);
  background-size: 100% 32px;
  box-shadow: 0 18px 42px rgba(0, 4, 16, 0.3);
}

.work-activity-panel {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid rgba(91, 140, 255, 0.4);
  background: rgba(11, 34, 71, 0.96);
}

.activity-paper h3,
.work-activity-panel h3 {
  margin: 0;
  font-size: 1.2rem;
}

.activity-paper > p {
  margin: 6px 0 18px;
  color: #405277;
}

.activity-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.activity-field {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--work-text);
  font-size: 0.82rem;
  font-weight: 800;
}

.work-activity-surface .activity-field {
  color: var(--work-ink);
}

.activity-field-wide {
  grid-column: 1 / -1;
}

.activity-field input,
.activity-field select,
.activity-field textarea {
  width: 100%;
  min-height: 44px;
  padding: 9px 11px;
  border: 1px solid rgba(91, 140, 255, 0.5);
  border-radius: 9px;
  color: var(--work-ink);
  background: #fffaf0;
}

.activity-field textarea {
  min-height: 96px;
  resize: vertical;
}

.activity-drawing-wrap {
  margin-top: 18px;
}

.activity-drawing-wrap h4 {
  margin: 0 0 8px;
}

.activity-drawing-canvas {
  width: 100%;
  height: clamp(260px, 42vw, 390px);
  border: 2px dashed #8aa0c2;
  border-radius: 14px;
  background: #fffdf7;
  cursor: crosshair;
  touch-action: none;
}

.drawing-toolbar {
  display: grid;
  gap: 13px;
}

.drawing-toolbar-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.drawing-toolbar-label {
  width: 100%;
  color: var(--work-muted);
  font-size: 0.75rem;
  font-weight: 800;
}

.color-choice,
.width-choice,
.activity-tool-button,
.constellation-choice,
.planet-size-option,
.planet-order-option,
.moon-answer-button,
.quiz-answer-button {
  min-height: 44px;
  border: 1px solid rgba(91, 140, 255, 0.45);
  border-radius: 10px;
  color: var(--work-text);
  background: rgba(91, 140, 255, 0.1);
  font-weight: 800;
  cursor: pointer;
}

.color-choice {
  width: 44px;
  padding: 0;
  border-color: rgba(255, 255, 255, 0.34);
  background: var(--drawing-color);
}

.color-choice[aria-pressed="true"],
.width-choice[aria-pressed="true"] {
  box-shadow: 0 0 0 3px var(--work-cream);
}

.width-choice,
.activity-tool-button {
  padding: 8px 13px;
}

.drawing-toolbar .width-choice,
.drawing-toolbar .activity-tool-button {
  border-color: #9dafcf;
  color: #18325b;
  background: #eef3ff;
}

.drawing-toolbar .width-choice[aria-pressed="true"] {
  box-shadow: 0 0 0 3px #725bc4;
}

.activity-status-box {
  min-height: 54px;
  padding: 12px 14px;
  border: 1px solid rgba(82, 215, 232, 0.32);
  border-radius: 11px;
  color: var(--work-muted);
  background: rgba(82, 215, 232, 0.06);
}

.activity-status-box[data-state="complete"] {
  border-color: rgba(100, 223, 178, 0.5);
  color: #bdf5df;
}

.planet-size-choices,
.planet-order-grid,
.quiz-options,
.moon-answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.planet-size-option,
.planet-order-option,
.moon-answer-button,
.quiz-answer-button {
  padding: 10px 12px;
}

.planet-size-option[aria-pressed="true"],
.planet-order-option[aria-pressed="true"] {
  border-color: var(--work-cyan);
  background: rgba(82, 215, 232, 0.18);
}

.planet-visual-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 18px;
  min-height: 250px;
  padding: 30px 10px;
}

.planet-visual-item {
  display: grid;
  justify-items: center;
  gap: 10px;
  color: var(--work-ink);
  font-weight: 800;
}

.planet-dot {
  width: var(--planet-size);
  height: var(--planet-size);
  max-width: 140px;
  max-height: 140px;
  border: 2px solid rgba(20, 37, 75, 0.4);
  border-radius: 50%;
  background: var(--planet-color);
  box-shadow: inset -14px -10px rgba(0, 0, 0, 0.14);
}

.selection-order {
  min-height: 52px;
  padding: 12px;
  border: 1px dashed rgba(91, 140, 255, 0.5);
  border-radius: 10px;
  color: var(--work-muted);
}

.constellation-stage {
  position: relative;
  aspect-ratio: 16 / 10;
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  border: 1px solid rgba(91, 140, 255, 0.45);
  border-radius: 16px;
  background:
    radial-gradient(circle at 20% 20%, rgba(82, 215, 232, 0.16), transparent 11rem),
    #071b3b;
}

.constellation-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.constellation-lines line {
  stroke: var(--work-cyan);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.constellation-star {
  position: absolute;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 242, 213, 0.58);
  border-radius: 50%;
  color: var(--work-cream);
  background: rgba(255, 242, 213, 0.1);
  box-shadow: 0 0 20px rgba(255, 242, 213, 0.2);
  transform: translate(-50%, -50%);
  cursor: pointer;
}

.constellation-star.is-connected {
  color: #071b3b;
  background: var(--work-cream);
}

.constellation-switcher {
  display: grid;
  gap: 8px;
}

.constellation-choice {
  padding: 9px 12px;
  text-align: left;
}

.constellation-choice[aria-pressed="true"] {
  border-color: var(--work-cyan);
  background: rgba(82, 215, 232, 0.16);
}

.moon-puzzle-display {
  display: grid;
  place-items: center;
  min-height: 320px;
}

.moon-shape-visual {
  position: relative;
  width: 190px;
  height: 190px;
  overflow: hidden;
  border: 2px solid #a88e61;
  border-radius: 50%;
  background: var(--work-cream);
  box-shadow: 0 18px 34px rgba(20, 37, 75, 0.18);
}

.moon-shape-visual::after {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #1b3155;
  content: "";
  transform: var(--moon-mask-transform, translateX(100%));
}

.moon-shape-visual[data-kind="half"]::after { transform: translateX(50%); }
.moon-shape-visual[data-kind="thin"]::after { transform: translateX(22%); }
.moon-shape-visual[data-kind="hidden"]::after { transform: translateX(0); }

.quiz-question {
  margin: 0;
  color: var(--work-ink);
  font-size: clamp(1.25rem, 3vw, 1.9rem);
  font-weight: 900;
}

.quiz-progress {
  color: #50638a;
  font-size: 0.82rem;
  font-weight: 800;
}

.work-activity-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.work-mission-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.mission-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid rgba(91, 140, 255, 0.45);
  border-radius: var(--work-radius-md);
  background: linear-gradient(165deg, rgba(17, 53, 108, 0.96), rgba(8, 29, 65, 0.98));
}

.mission-card-number {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  color: var(--work-cream);
  background: rgba(155, 122, 255, 0.2);
  font-weight: 900;
}

.mission-card h3 {
  margin: 12px 0 5px;
  font-size: 1.2rem;
}

.mission-card > p {
  margin: 0;
  color: var(--work-muted);
  font-size: 0.86rem;
}

.mission-steps {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.mission-step-link,
.mission-step-button {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 64px;
  padding: 10px;
  border: 1px solid rgba(255, 131, 182, 0.28);
  border-radius: 12px;
  color: var(--work-ink);
  text-align: left;
  text-decoration: none;
  background: #fff0e9;
  cursor: pointer;
}

.mission-step-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: #fff;
  background: #6d78da;
  font-size: 0.8rem;
  font-weight: 900;
}

.mission-step-copy {
  display: grid;
}

.mission-step-copy strong {
  font-size: 0.86rem;
}

.mission-step-copy small {
  color: #5b6780;
}

.noscript-catalog {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid rgba(82, 215, 232, 0.4);
  border-radius: var(--work-radius-lg);
  background: rgba(6, 24, 55, 0.95);
}

.noscript-catalog h2 {
  margin-top: 0;
}

.noscript-catalog > p {
  color: var(--work-muted);
}

.noscript-categories,
.noscript-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.noscript-categories span,
.noscript-links a {
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid rgba(91, 140, 255, 0.4);
  border-radius: 10px;
}

.noscript-work-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.noscript-work-list article {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(91, 140, 255, 0.35);
  border-radius: 12px;
  background: rgba(16, 47, 97, 0.7);
}

.noscript-work-list h3,
.noscript-work-list p {
  margin: 0;
}

.noscript-work-list p {
  margin-top: 5px;
  color: var(--work-muted);
}

.work-print-sheet {
  display: none;
}

.work-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 32px, var(--work-content));
  margin: 0 auto;
  padding: 28px 0 40px;
  border-top: 1px solid rgba(91, 140, 255, 0.22);
  color: var(--work-muted);
  font-size: 0.82rem;
}

.work-footer p {
  margin: 0;
}

.work-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.work-footer a {
  min-height: 44px;
  padding: 9px 0;
  color: var(--work-muted);
}

.print-work {
  color: #111827;
  background: #fff;
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
}

.print-work-header {
  padding-bottom: 5mm;
  border-bottom: 2px solid #1e3a5f;
}

.print-work-header h1 {
  margin: 0;
  font-size: 20pt;
  line-height: 1.3;
}

.print-work-header p {
  margin: 2mm 0 0;
  font-size: 10pt;
}

.print-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4mm;
  margin-top: 5mm;
}

.print-field,
.print-box,
.print-question {
  border: 1px solid #64748b;
  break-inside: avoid;
}

.print-field {
  min-height: 14mm;
  padding: 3mm;
}

.print-field strong {
  display: block;
  font-size: 9pt;
}

.print-field-wide {
  grid-column: 1 / -1;
}

.print-box {
  min-height: 78mm;
  padding: 4mm;
  margin-top: 5mm;
}

.print-box h2 {
  margin: 0;
  font-size: 12pt;
}

.print-lines {
  min-height: 28mm;
  margin-top: 4mm;
  background: repeating-linear-gradient(to bottom, transparent 0 8mm, #94a3b8 8mm 8.3mm);
}

.print-question-list {
  display: grid;
  gap: 3mm;
  margin-top: 5mm;
}

.print-question {
  min-height: 15mm;
  padding: 3mm;
  font-size: 10pt;
}

.print-planet-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  min-height: 58mm;
  padding: 5mm;
}

.print-planet-circle {
  display: grid;
  place-items: end center;
  border: 2px solid #334155;
  border-radius: 50%;
}

.print-star-field {
  position: relative;
  min-height: 90mm;
  margin-top: 5mm;
  border: 1px solid #64748b;
}

.print-star-dot {
  position: absolute;
  width: 3mm;
  height: 3mm;
  border: 1px solid #111827;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

@media (max-width: 1023px) {
  .work-header-inner {
    grid-template-columns: minmax(200px, 1fr) auto;
    gap: 12px;
    padding: 10px 0;
  }

  .work-global-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: center;
  }

  .work-safety-badge {
    justify-self: end;
  }

  .work-hero {
    grid-template-columns: 1fr 1fr;
  }

  .work-category-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .work-card-grid,
  .work-mission-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-feature-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-library-layout {
    grid-template-columns: 1fr;
  }

  .work-library-sidebar {
    padding: 12px;
  }

  .work-library-sidebar h3 {
    margin-bottom: 8px;
  }

  .work-category-filters {
    display: flex;
    gap: 8px;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }

  .work-filter-button {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .work-activity-layout {
    grid-template-columns: 1fr;
  }

  .work-activity-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-activity-panel > * {
    min-width: 0;
  }
}

@media (max-width: 719px) {
  .work-header-inner {
    width: min(100% - 20px, var(--work-content));
  }

  .work-brand-copy strong {
    font-size: 0.84rem;
  }

  .work-global-nav {
    justify-content: flex-start;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .work-global-nav::-webkit-scrollbar { display: none; }

  .work-global-nav a {
    min-width: 62px;
    padding: 0 9px;
  }

  .work-main {
    width: min(100% - 20px, var(--work-content));
    padding-top: 16px;
  }

  .work-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .work-hero-copy {
    padding: 26px 20px;
  }

  .work-hero h1 {
    font-size: clamp(2.45rem, 11.5vw, 3.5rem);
  }

  .work-hero-features {
    grid-template-columns: 1fr;
  }

  .work-hero-visual {
    aspect-ratio: 5 / 3;
  }

  .work-home-section {
    margin-top: 20px;
    padding: 18px 14px;
  }

  .work-section-heading,
  .work-screen-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .work-section-heading .work-text-button,
  .work-screen-heading .work-secondary-button {
    align-self: stretch;
  }

  .work-category-grid,
  .work-card-grid,
  .work-mission-list,
  .noscript-work-list {
    grid-template-columns: 1fr;
  }

  .work-category-card {
    min-height: 178px;
  }

  .work-mission-banner {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 20px;
  }

  .work-mission-banner .work-primary-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .work-feature-strip {
    grid-template-columns: 1fr;
  }

  .work-screen-library,
  .work-screen-detail,
  .work-screen-activity,
  .work-screen-mission {
    padding: 18px 14px;
    border-radius: var(--work-radius-md);
  }

  .work-detail-card {
    grid-template-columns: 1fr;
  }

  .work-detail-visual {
    position: static;
  }

  .work-activity-topbar {
    grid-template-columns: 1fr 1fr;
  }

  .work-activity-progress {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: center;
  }

  .work-activity-surface {
    min-height: 430px;
    padding: 18px 14px;
  }

  .work-activity-panel {
    grid-template-columns: 1fr;
    padding: 16px 14px;
  }

  .activity-form-grid,
  .planet-size-choices,
  .planet-order-grid,
  .quiz-options,
  .moon-answer-grid {
    grid-template-columns: 1fr;
  }

  .work-activity-actions,
  .work-detail-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .planet-visual-row {
    gap: 8px;
    min-height: 210px;
    overflow-x: auto;
  }

  .constellation-stage {
    aspect-ratio: 4 / 5;
  }

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

@media (max-width: 380px) {
  .work-brand img {
    width: 40px;
    height: 40px;
  }

  .work-brand-copy small,
  .work-safety-badge {
    display: none;
  }

  .work-header-inner {
    grid-template-columns: 1fr;
  }

  .work-global-nav {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@page {
  size: A4 portrait;
  margin: 12mm;
}

@media print {
  :root {
    color-scheme: light;
  }

  html,
  body {
    width: auto;
    min-width: 0;
    margin: 0;
    color: #111827;
    background: #fff !important;
  }

  body::before,
  .skip-link,
  .work-site-header,
  .work-screen,
  .work-footer,
  .noscript-catalog {
    display: none !important;
  }

  .work-main {
    width: auto;
    margin: 0;
    padding: 0;
  }

  body.is-printing .work-print-sheet {
    display: block !important;
  }

  .work-print-sheet,
  .work-print-sheet * {
    color: #111827 !important;
    text-shadow: none !important;
    box-shadow: none !important;
  }

  .print-work {
    width: 100%;
    min-height: 0;
    background: #fff !important;
  }

  .print-work + .print-work {
    break-before: page;
  }
}