:root {
  color-scheme: light;
  --color-canvas: #F7F7F4;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #FAFAF7;
  --color-ink: #0B0B0B;
  --color-muted: #595956;
  --color-faint: #62706B;
  --color-line: #D1D1CC;
  --color-primary: #0A6F62;
  --color-primary-strong: #07584E;
  --color-primary-soft: #EDF7F4;
  --color-on-primary: #FFFFFF;
  --color-proof: #A84427;
  --color-proof-soft: #F7E8E1;
  --color-success: #176B48;
  --color-danger: #A43A35;
  --color-warning: #8A570B;
  --color-focus: #0A6F62;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 5px;
  --radius-xl: 6px;
  --sheet-shadow: none;
  font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.55;
}

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

button,
select {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-surface);
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

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

.app-header {
  border-bottom: 1px solid var(--color-line);
  background: rgba(238, 243, 242, 0.96);
}

.masthead,
.process-rail--header,
main {
  width: min(100% - 48px, 1280px);
  margin-inline: auto;
}

.masthead {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: STSong, SimSun, "Songti SC", serif;
  font-size: 23px;
  line-height: 1;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
  letter-spacing: 0.08em;
}

.brand small {
  margin-top: 1px;
  color: var(--color-muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.privacy-note {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-block: 0;
  padding: 0;
  list-style: none;
}

.process-rail--header {
  padding-block: 11px 14px;
}

.process-rail li {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-faint);
  font-size: 13px;
}

.process-rail li:not(:last-child)::after {
  position: absolute;
  right: var(--space-4);
  left: 82px;
  height: 1px;
  background: var(--color-line);
  content: "";
}

.process-rail li span {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: var(--color-canvas);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.process-rail li strong {
  z-index: 1;
  padding-right: var(--space-2);
  background: var(--color-canvas);
  font-weight: 650;
  white-space: nowrap;
}

.process-rail li[data-state="current"] {
  color: var(--color-ink);
}

.process-rail li[data-state="current"] span {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-on-primary);
}

.process-rail li[data-state="complete"] {
  color: var(--color-ink);
}

.process-rail li[data-state="complete"] span {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-surface);
}

main {
  padding-block: var(--space-12) 72px;
}

.work-intro {
  max-width: 760px;
  margin-bottom: var(--space-8);
}

.eyebrow,
.sheet-kicker {
  margin: 0;
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.13em;
}

.work-intro h1 {
  max-width: 680px;
  margin: var(--space-3) 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.work-intro > p:last-child {
  max-width: 680px;
  margin: 0;
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.7;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1fr);
  align-items: start;
  gap: var(--space-6);
}

.sheet {
  min-width: 0;
  border: 1px solid rgba(203, 216, 212, 0.92);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--sheet-shadow);
}

.form-sheet {
  padding: var(--space-8);
}

.result-sheet {
  position: sticky;
  top: var(--space-6);
  min-height: 620px;
  padding: var(--space-8);
}

.sheet-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-line);
}

.sheet-heading h2 {
  margin: var(--space-1) 0 0;
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.sheet-heading > p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 13px;
  text-align: right;
}

.sheet-heading > p span,
label > span[aria-hidden="true"] {
  color: var(--color-proof);
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: var(--space-8) 0;
  border: 0;
}

fieldset + fieldset {
  border-top: 1px solid var(--color-line);
}

legend {
  margin-bottom: var(--space-6);
  padding: 0;
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6) var(--space-4);
}

.field {
  min-width: 0;
}

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

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: 14px;
  font-weight: 700;
}

.optional {
  margin-left: var(--space-1);
  color: var(--color-faint);
  font-size: 12px;
  font-weight: 500;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid #AEBEB9;
  border-radius: var(--radius-md);
  outline: 0;
  background: var(--color-surface);
  font-size: 16px;
}

input,
select {
  padding: 0 var(--space-3);
}

textarea {
  min-height: 92px;
  padding: 11px var(--space-3);
  line-height: 1.55;
  resize: vertical;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-muted);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-faint);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
  background: #FFF9F8;
}

.field-help,
.field-error {
  margin: var(--space-2) 0 0;
  font-size: 12px;
  line-height: 1.5;
}

.field-help {
  color: var(--color-faint);
}

.field-error {
  min-height: 0;
  color: var(--color-danger);
}

.field-error:empty {
  display: none;
}

.access-code-field {
  margin-top: 0;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-line);
}

.primary-button,
.copy-button,
.secondary-button,
.tabs button {
  min-height: 44px;
  border-radius: var(--radius-md);
  font-weight: 700;
  transition: opacity 180ms ease, transform 180ms ease;
}

.primary-button {
  display: grid;
  width: 100%;
  min-height: 50px;
  place-items: center;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.primary-button:hover:not(:disabled) {
  background: var(--color-primary-strong);
  transform: translateY(-1px);
}

.primary-button:active:not(:disabled),
.copy-button:active:not(:disabled),
.secondary-button:active:not(:disabled),
.tabs button:active:not(:disabled) {
  transform: translateY(1px);
}

.primary-button:disabled {
  opacity: 0.68;
}

.button-busy {
  display: none;
}

.primary-button[aria-busy="true"] .button-label {
  display: none;
}

.primary-button[aria-busy="true"] .button-busy {
  display: inline;
}

.primary-button[aria-busy="true"] .button-busy::after {
  display: inline-block;
  width: 1.4em;
  content: "…";
  text-align: left;
  animation: processing-pulse 900ms ease-in-out infinite alternate;
}

.result-heading > p {
  color: var(--color-ink);
  font-weight: 700;
}

.result-state {
  padding-top: var(--space-8);
}

.empty-state,
.loading-state,
.error-state {
  display: grid;
  min-height: 470px;
  align-content: center;
}

.equation {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-subtle);
  color: var(--color-faint);
}

.equation > div {
  text-align: center;
}

.equation strong,
.equation span {
  display: block;
}

.equation strong {
  color: var(--color-ink);
  font-size: clamp(30px, 4vw, 42px);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.equation div span {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: 12px;
}

.process-rail--state {
  margin-bottom: var(--space-8);
}

.process-rail--state li strong {
  background: var(--color-surface);
}

.result-state > h3 {
  margin: 0 0 var(--space-2);
  font-size: 20px;
}

.result-state > p {
  max-width: 52ch;
  margin: 0;
  color: var(--color-muted);
}

.quiet-note {
  margin-top: var(--space-3) !important;
  color: var(--color-faint) !important;
  font-size: 13px;
}

.is-processing li[data-state="current"] span {
  animation: processing-pulse 900ms ease-in-out infinite alternate;
}

.error-state {
  position: relative;
  padding-inline: var(--space-6);
  border-left: 3px solid var(--color-proof);
}

.state-label {
  color: var(--color-proof) !important;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.09em;
}

.error-state h3 {
  margin-top: var(--space-2);
}

.review-summary {
  display: grid;
  grid-template-columns: minmax(140px, 0.7fr) minmax(0, 1.6fr);
  gap: var(--space-6);
  align-items: stretch;
}

.review-summary > div:first-child {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-4);
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-soft);
}

#review-status {
  margin-top: var(--space-1);
  color: var(--color-ink);
  font-size: 18px;
}

.score-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
}

.score-list div {
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-subtle);
}

.score-list dt {
  color: var(--color-muted);
  font-size: 11px;
}

.score-list dd {
  margin: var(--space-1) 0 0;
  color: var(--color-ink);
  font-size: 20px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

.score-list dd::after {
  color: var(--color-faint);
  content: "/100";
  font-size: 10px;
  font-weight: 500;
}

.pending-panel {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-6);
  border-left: 3px solid var(--color-proof);
  background: var(--color-proof-soft);
}

.pending-panel h3,
.pending-panel p {
  margin: 0;
}

.pending-panel h3 {
  color: var(--color-proof);
  font-size: 16px;
}

.pending-panel p {
  margin-top: var(--space-1);
  color: #754333;
  font-size: 13px;
}

.pending-panel ul {
  margin: var(--space-3) 0 0;
  padding-left: 1.25em;
}

.pending-panel li,
.issue-meta,
.issue-message,
.issue-correction {
  overflow-wrap: anywhere;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-1);
  margin-top: var(--space-6);
  padding: var(--space-1);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-subtle);
}

.tabs button {
  min-width: 0;
  padding: 0 var(--space-2);
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font-size: 13px;
}

.tabs button:hover {
  color: var(--color-ink);
}

.tabs button[aria-selected="true"] {
  background: var(--color-surface);
  color: var(--color-ink);
}

.tab-panel {
  min-height: 330px;
  margin-top: var(--space-4);
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-subtle);
}

.document-output {
  max-width: 68ch;
  color: var(--color-ink);
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.review-panel {
  display: block;
}

.review-panel[hidden] {
  display: none;
}

.review-empty {
  margin: 0;
  color: var(--color-ink);
}

.issue-card {
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-warning);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.issue-card + .issue-card {
  margin-top: var(--space-3);
}

.issue-card[data-severity="blocking"] {
  border-left-color: var(--color-danger);
}

.issue-card[data-severity="info"] {
  border-left-color: var(--color-primary);
}

.issue-meta,
.issue-message,
.issue-correction {
  margin: 0;
}

.issue-meta {
  color: var(--color-warning);
  font-size: 12px;
  font-weight: 750;
}

.issue-card[data-severity="blocking"] .issue-meta {
  color: var(--color-danger);
}

.issue-card[data-severity="info"] .issue-meta {
  color: var(--color-ink);
}

.issue-message {
  margin-top: var(--space-2);
  font-weight: 700;
}

.issue-correction {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: 14px;
}

.result-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.copy-button,
.secondary-button {
  padding: 0 var(--space-4);
}

.copy-button {
  border: 1px solid var(--color-primary);
  background: var(--color-surface);
  color: var(--color-ink);
}

.copy-button:hover {
  background: var(--color-primary-soft);
}

.secondary-button {
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-surface);
}

.secondary-button:hover:not(:disabled) {
  background: var(--color-primary-strong);
  transform: translateY(-1px);
}

.result-actions p {
  grid-column: 1 / -1;
  margin: calc(-1 * var(--space-1)) 0 0;
  color: var(--color-faint);
  font-size: 12px;
  text-align: right;
}

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

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--color-focus);
  outline-offset: 1px;
}

.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;
}

@keyframes processing-pulse {
  from { opacity: 0.38; }
  to { opacity: 1; }
}

/* Approved editorial direction */
.notice-bar {
  display: grid;
  min-height: 38px;
  place-items: center;
  padding: 8px 24px;
  background: var(--color-ink);
  color: var(--color-surface);
  font-size: 12px;
  letter-spacing: 0.015em;
  text-align: center;
}

.app-header {
  background: var(--color-surface);
}

.masthead {
  width: min(100% - 48px, 1280px);
  min-height: 76px;
  margin-inline: auto;
}

.brand {
  align-items: flex-end;
  gap: 10px;
}

.brand strong,
.brand small {
  display: inline;
  margin: 0;
  color: var(--color-ink);
  line-height: 1;
}

.brand strong {
  font-family: STSong, SimSun, "Songti SC", serif;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand small {
  font-size: 11px;
  letter-spacing: 0.12em;
}

.start-work-button {
  min-height: 46px;
  padding: 0 28px;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-ink);
  color: var(--color-surface);
  font-weight: 750;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.start-work-button:hover {
  background: var(--color-surface);
  color: var(--color-ink);
}

.start-work-button:active {
  transform: translateY(1px);
}

main {
  width: 100%;
  margin: 0;
  padding: 0;
}

.brand-hero {
  --pointer-x: 75%;
  --pointer-y: 50%;
  --parallax-x: 0px;
  --parallax-y: 0px;
  position: relative;
  display: grid;
  min-height: clamp(540px, calc(100vh - 114px), 760px);
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: background-color 560ms cubic-bezier(0.16, 1, 0.3, 1),
    color 560ms cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-hero-inner {
  display: grid;
  width: min(100% - 48px, 1280px);
  min-height: inherit;
  margin-inline: auto;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  align-items: center;
  gap: clamp(24px, 5vw, 80px);
  padding-block: 54px 64px;
}

.brand-hero__base {
  position: relative;
  z-index: 1;
  grid-area: 1 / 1;
}

.brand-hero-copy {
  min-width: 0;
}

.brand-hero h1,
.brand-hero p {
  margin: 0;
}

.hero-start-button {
  display: inline-flex;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: STSong, SimSun, "Songti SC", serif;
  font-size: clamp(132px, 18vw, 250px);
  font-weight: 400;
  letter-spacing: -0.15em;
  line-height: 0.82;
}

.hero-start-button--mirror {
  cursor: default;
}

.hero-start-button span:last-child {
  margin-left: 0.08em;
}

.hero-start-button:hover {
  color: var(--color-ink);
}

.brand-hero p {
  margin-top: clamp(34px, 5vw, 54px);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 6vw, 72px);
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.campus-character {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(100%, 440px);
  min-height: 44px;
  justify-self: end;
  place-items: center;
  outline-offset: 8px;
  transform: translate3d(var(--parallax-x), var(--parallax-y), 0);
  transition: filter 560ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.campus-character__image {
  display: block;
  width: 100%;
  max-height: min(67vh, 620px);
  object-fit: contain;
}

.hero-spotlight-layer {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  background: var(--color-surface);
  color: var(--color-ink);
  clip-path: circle(0 at var(--pointer-x) var(--pointer-y));
  pointer-events: none;
  transition: clip-path 560ms cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-spotlight-layer .brand-hero-inner {
  height: 100%;
}

.hero-cursor {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  width: 30px;
  height: 30px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(calc(var(--pointer-x) - 15px), calc(var(--pointer-y) - 15px), 0);
  transition: opacity 160ms ease, border-color 560ms cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-cursor::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
}

.brand-hero--interactive[data-pointer-inside="true"] {
  cursor: none;
}

.brand-hero--interactive[data-pointer-inside="true"] .hero-cursor {
  opacity: 1;
}

.brand-hero--interactive[data-spotlight-active="true"] {
  background: var(--color-ink);
  color: var(--color-surface);
}

.brand-hero--interactive[data-spotlight-active="true"] .brand-hero__base .campus-character__image {
  filter: grayscale(1) invert(1);
}

.brand-hero--interactive[data-spotlight-active="true"] .hero-spotlight-layer {
  clip-path: circle(clamp(105px, 17vw, 225px) at var(--pointer-x) var(--pointer-y));
}

.workspace-section {
  scroll-margin-top: 20px;
  padding: 70px 24px 96px;
  background-color: var(--color-canvas);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(11, 11, 11, 0.035) 0 1px,
    transparent 1px 22px
  );
}

.workspace-title,
.workspace-grid {
  width: min(100%, 1280px);
  margin-inline: auto;
}

.workspace-title {
  margin-bottom: 28px;
}

.workspace-title h2 {
  display: flex;
  align-items: flex-end;
  gap: 0.18em;
  margin: 0;
  font-family: STSong, SimSun, "Songti SC", serif;
  font-size: clamp(44px, 5.2vw, 68px);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.86;
}

.workspace-title-main,
.workspace-title-sub {
  line-height: 1;
}

.workspace-title-sub {
  padding-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.55em;
  letter-spacing: -0.035em;
}

.workspace-grid {
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
}

.sheet {
  border-color: var(--color-line);
  border-radius: 0;
  box-shadow: none;
}

.form-sheet,
.result-sheet {
  padding: 28px;
}

.result-sheet {
  top: 20px;
}

.sheet-heading h2 {
  font-size: 22px;
}

.primary-button {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-surface);
}

.primary-button:hover:not(:disabled) {
  border-color: var(--color-primary-strong);
  background: var(--color-primary-strong);
}

.review-summary {
  grid-template-columns: minmax(130px, 0.65fr) minmax(0, 1.65fr);
  gap: 0;
  border: 1px solid var(--color-line);
}

.review-summary > div:first-child {
  border: 0;
  border-right: 1px solid var(--color-line);
}

.score-list {
  gap: 0;
}

.score-list > div {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 14px 8px;
  border: 0;
  border-right: 1px solid var(--color-line);
  border-radius: 0;
  background: var(--color-surface);
  text-align: center;
}

.score-list > div:last-child {
  border-right: 0;
}

.score-list dt {
  min-height: 1.6em;
  line-height: 1.2;
}

.score-list dd {
  min-height: 1.15em;
  margin: 7px 0 0;
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.tabs {
  gap: 0;
  padding: 0;
  border-radius: 0;
  background: var(--color-surface);
}

.tabs button {
  border-right: 1px solid var(--color-line);
  border-radius: 0;
}

.tabs button:last-child {
  border-right: 0;
}

.tabs button[aria-selected="true"] {
  background: var(--color-ink);
  color: var(--color-surface);
}

.tab-panel {
  margin-top: -1px;
  border-radius: 0;
  background: var(--color-surface);
}

@media (max-width: 960px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .result-sheet {
    position: static;
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .notice-bar {
    padding-inline: 16px;
    font-size: 11px;
  }

  .brand-hero {
    min-height: clamp(460px, calc(100svh - 110px), 640px);
  }

  .brand-hero-inner {
    width: min(100% - 32px, 1280px);
    grid-template-columns: 1fr;
    gap: 28px;
    padding-block: 56px 58px;
  }

  .hero-start-button {
    font-size: clamp(108px, 34vw, 190px);
  }

  .brand-hero p {
    margin-top: 30px;
    font-size: clamp(34px, 10vw, 58px);
  }

  .campus-character {
    width: min(64vw, 330px);
    justify-self: center;
  }

  .campus-character__image {
    max-height: 42vh;
  }

  .workspace-section {
    padding: 54px 16px 72px;
  }

  .workspace-title {
    margin-bottom: 22px;
  }

  .workspace-title h2 {
    font-size: clamp(42px, 13vw, 62px);
  }

  .workspace-title-sub {
    font-size: 0.48em;
  }
}

@media (hover: none), (pointer: coarse) {
  .brand-hero--interactive {
    cursor: auto;
  }

  .hero-cursor {
    display: none;
  }

  .campus-character {
    transform: none;
  }

  .brand-hero--interactive[data-spotlight-active="true"] .hero-spotlight-layer {
    clip-path: circle(clamp(120px, 34vw, 210px) at 72% 67%);
  }
}

@media (max-width: 640px) {
  .masthead,
  .process-rail--header {
    width: min(100% - 32px, 1280px);
  }

  .masthead {
    min-height: 68px;
  }

  .privacy-note {
    max-width: 12em;
    text-align: right;
  }

  .process-rail li {
    gap: var(--space-1);
  }

  .process-rail li:not(:last-child)::after {
    right: var(--space-2);
    left: 64px;
  }

  .process-rail li span {
    width: 27px;
    height: 27px;
  }

  .process-rail li strong {
    padding-right: var(--space-1);
    font-size: 12px;
  }

  .work-intro {
    margin-bottom: var(--space-6);
  }

  .work-intro h1 {
    font-size: 32px;
  }

  .work-intro > p:last-child {
    font-size: 16px;
  }

  .form-sheet,
  .result-sheet {
    padding: var(--space-6) var(--space-4);
    border-radius: 0;
  }

  .sheet-heading {
    padding-bottom: var(--space-4);
  }

  fieldset {
    padding-block: var(--space-6);
  }

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

  .field,
  .field--wide {
    grid-column: 1;
  }

  .equation {
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
  }

  .equation strong {
    font-size: 30px;
  }

  .review-summary {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .score-list dt {
    min-height: 2.5em;
  }

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

  .tab-panel {
    padding: var(--space-4);
  }
}

@media (max-width: 390px) {
  .brand small {
    display: inline;
    font-size: 9px;
    letter-spacing: 0.07em;
  }

  .start-work-button {
    min-height: 42px;
    padding-inline: 18px;
  }

  .hero-start-button {
    font-size: clamp(96px, 34vw, 132px);
  }

  .brand-hero p {
    font-size: clamp(30px, 10vw, 42px);
  }

  .workspace-title h2 {
    gap: 0.14em;
    font-size: clamp(38px, 12.5vw, 48px);
  }

  .workspace-title-sub {
    font-size: 0.43em;
  }

  .privacy-note {
    max-width: none;
    font-size: 11px;
    white-space: nowrap;
  }

  .process-rail--header {
    padding-top: var(--space-2);
  }

  .process-rail li:not(:last-child)::after {
    display: none;
  }

  .sheet-heading {
    align-items: flex-start;
  }

  .sheet-heading h2 {
    font-size: 22px;
  }

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

  .equation > span {
    display: none;
  }

  .result-actions {
    grid-template-columns: 1fr;
  }

  .result-actions p {
    grid-column: 1;
  }
}

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

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

  .campus-character {
    transform: none !important;
  }
}