:root {
  --color-rice: #f5efe2;
  --color-rice-deep: #e9dec9;
  --color-sage: #879b83;
  --color-sage-dark: #536b5e;
  --color-terracotta: #b85f4b;
  --color-amber: #d39a4a;
  --color-ink: #203747;
  --color-ink-muted: #52606a;
  --color-spoiler: #f0d7c9;
  --color-white: #ffffff;
  --color-border-soft: rgba(32, 55, 71, 0.22);
  --color-border-strong: rgba(32, 55, 71, 0.55);
  --color-focus: #b85f4b;

  --font-heading: "Noto Serif Display", Georgia, serif;
  --font-body: "Noto Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lead: 1.125rem;
  --text-card-title: clamp(1.25rem, 2vw, 1.5rem);
  --text-section-title: clamp(1.75rem, 4vw, 2rem);
  --text-display: clamp(2.125rem, 5vw, 2.75rem);

  --leading-label: 1.45;
  --leading-small: 1.55;
  --leading-body: 1.7;
  --leading-lead: 1.65;
  --leading-heading: 1.2;
  --leading-display: 1.1;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5.5rem;
  --space-10: 7.5rem;

  --container-max: 73.75rem;
  --container-padding: 1.5rem;
  --content-max: 68ch;

  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-pill: 999px;

  --shadow-paper: 0 3px 12px rgba(32, 55, 71, 0.08);

  --transition-fast: 160ms ease-out;
  --transition-panel: 220ms ease-out;
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background-color: var(--color-rice);
  background-image:
    radial-gradient(rgba(32, 55, 71, 0.025) 0.5px, transparent 0.5px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 28rem);
  background-size: 7px 7px, auto;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
}

main,
header,
footer,
section,
article,
aside,
nav,
figure,
form,
fieldset {
  min-width: 0;
}

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

img,
video {
  height: auto;
}

svg {
  fill: currentColor;
}

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

button,
select {
  cursor: pointer;
}

button,
input,
select,
textarea {
  max-width: 100%;
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

button,
[type="button"],
[type="submit"],
[type="reset"] {
  appearance: none;
}

a {
  color: var(--color-sage-dark);
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.14em;
  overflow-wrap: anywhere;
}

a:hover {
  color: var(--color-terracotta);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

::selection {
  background: var(--color-spoiler);
  color: var(--color-ink);
}

:target {
  scroll-margin-top: var(--space-6);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-block: 0 var(--space-4);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: var(--leading-heading);
  text-wrap: balance;
}

h1 {
  font-size: var(--text-display);
  line-height: var(--leading-display);
}

h2 {
  font-size: var(--text-section-title);
}

h3 {
  font-size: var(--text-card-title);
}

h4 {
  font-size: 1.125rem;
}

h5,
h6 {
  font-size: 1rem;
}

p {
  margin-block: 0 var(--space-4);
}

small {
  font-size: var(--text-xs);
  line-height: var(--leading-label);
}

strong {
  font-weight: 700;
}

em {
  font-style: italic;
}

mark {
  padding-inline: 0.15em;
  background: rgba(211, 154, 74, 0.32);
  color: inherit;
}

hr {
  height: 1px;
  margin-block: var(--space-6);
  border: 0;
  background: var(--color-border-soft);
}

blockquote {
  margin: 0 0 var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-inline-start: 3px solid var(--color-terracotta);
  background: rgba(233, 222, 201, 0.48);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

blockquote p:last-child {
  margin-block-end: 0;
}

figure {
  margin: 0 0 var(--space-5);
}

figcaption {
  margin-block-start: var(--space-2);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-small);
}

ul,
ol {
  margin-block: 0 var(--space-4);
  padding-inline-start: 1.35em;
}

li::marker {
  color: var(--color-terracotta);
}

main ul:not([class]),
main ol:not([class]),
.article-content ul,
.article-content ol,
.rich-text ul,
.rich-text ol {
  display: grid;
  gap: var(--space-2);
}

dl {
  margin: 0 0 var(--space-5);
}

dt {
  font-weight: 700;
}

dd {
  margin: 0 0 var(--space-3);
  color: var(--color-ink-muted);
}

table {
  width: 100%;
  margin-block: 0 var(--space-5);
  border-collapse: collapse;
  border: 1px solid var(--color-border-soft);
  background: var(--color-rice);
  text-align: left;
}

caption {
  margin-block-end: var(--space-2);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  text-align: left;
}

th,
td {
  padding: var(--space-3);
  border: 1px solid var(--color-border-soft);
  vertical-align: top;
}

th {
  background: var(--color-rice-deep);
  font-weight: 700;
}

code,
kbd,
samp,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

code,
kbd {
  padding: 0.1em 0.28em;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-rice-deep);
  font-size: 0.9em;
}

pre {
  max-width: 100%;
  margin-block: 0 var(--space-5);
  padding: var(--space-4);
  overflow: auto;
  border: 1px solid var(--color-border-soft);
  background: var(--color-rice-deep);
  color: var(--color-ink);
  line-height: 1.55;
}

fieldset {
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border-soft);
}

legend {
  padding-inline: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 500;
}

label {
  display: inline-block;
  margin-block-end: var(--space-2);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--leading-small);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-rice);
  padding: 0.7rem 0.75rem;
  line-height: 1.4;
}

input,
select {
  min-height: 2.75rem;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-ink-muted);
  opacity: 0.88;
}

input:disabled,
select:disabled,
textarea:disabled,
button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.1rem;
  min-height: 0;
  accent-color: var(--color-terracotta);
}

input[type="file"] {
  padding: var(--space-2);
}

input[type="file"]::file-selector-button {
  margin-inline-end: var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-rice-deep);
  padding: var(--space-2) var(--space-3);
  color: var(--color-ink);
  font: inherit;
  font-weight: 600;
}

details {
  margin-block: 0 var(--space-4);
  border: 1px solid var(--color-border-soft);
  background: rgba(245, 239, 226, 0.72);
}

summary {
  min-height: 2.75rem;
  padding: var(--space-3) var(--space-4);
  color: var(--color-ink);
  cursor: pointer;
  font-weight: 700;
}

details > :not(summary) {
  margin-inline: var(--space-4);
}

details > :last-child {
  margin-block-end: var(--space-4);
}

.container {
  width: min(100% - (2 * var(--container-padding)), var(--container-max));
  margin-inline: auto;
}

.content-column {
  max-width: var(--content-max);
}

.section {
  padding-block: clamp(2.75rem, 7vw, 5.5rem);
}

.section--compact {
  padding-block: clamp(2rem, 5vw, 4rem);
}

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-4);
}

.stack--tight {
  gap: var(--space-2);
}

.stack--relaxed {
  gap: var(--space-6);
}

.cluster {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.cluster--tight {
  gap: var(--space-2);
}

.cluster--spread {
  justify-content: space-between;
}

.card,
.panel {
  min-width: 0;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-rice);
  box-shadow: var(--shadow-paper);
}

.card {
  padding: var(--space-5);
}

.panel {
  padding: var(--space-6);
}

.card > :last-child,
.panel > :last-child,
.compact-group > :last-child,
.notice > :last-child,
.callout > :last-child {
  margin-block-end: 0;
}

.paper-frame {
  border: 1px solid var(--color-border-soft);
  background: var(--color-rice-deep);
  padding: clamp(0.5rem, 2vw, 0.75rem);
}

.paper-frame > img,
.paper-frame > picture,
.paper-frame > video {
  width: 100%;
  background: var(--color-rice);
}

.eyebrow,
.label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  max-width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 0.22rem 0.5rem;
  color: var(--color-ink);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: var(--leading-label);
  text-transform: uppercase;
}

.label--sage {
  border-color: var(--color-sage-dark);
  background: rgba(135, 155, 131, 0.15);
}

.label--amber {
  border-color: rgba(211, 154, 74, 0.85);
  background: rgba(211, 154, 74, 0.16);
}

.label--game {
  border-color: var(--color-terracotta);
  background: rgba(184, 95, 75, 0.1);
}

.spoiler-label {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  border: 1px solid rgba(184, 95, 75, 0.62);
  border-radius: var(--radius-pill);
  background: var(--color-spoiler);
  padding-inline: var(--space-2);
  color: var(--color-ink);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: var(--leading-label);
  text-transform: uppercase;
}

.notice,
.callout {
  margin-block: 0 var(--space-5);
  border-inline-start: 3px solid var(--color-sage-dark);
  background: rgba(135, 155, 131, 0.12);
  padding: var(--space-4) var(--space-5);
}

.notice--spoiler,
.callout--spoiler {
  border-inline-start-color: var(--color-terracotta);
  background: var(--color-spoiler);
}

.notice--tip,
.callout--tip {
  border-inline-start-color: var(--color-amber);
  background: rgba(211, 154, 74, 0.12);
}

.button {
  display: inline-flex;
  min-width: 0;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  color: var(--color-rice);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.button:hover {
  color: var(--color-rice);
  transform: translate(-1px, -1px);
}

.button:active {
  transform: translate(0, 0);
}

.button--primary {
  border-color: #8d4233;
  background: var(--color-terracotta);
  box-shadow: 2px 2px 0 rgba(32, 55, 71, 0.24);
}

.button--primary:hover {
  background: #a94f3d;
  box-shadow: 3px 3px 0 rgba(32, 55, 71, 0.3);
}

.button--secondary {
  border-color: var(--color-ink);
  background: transparent;
  color: var(--color-ink);
}

.button--secondary:hover {
  background: var(--color-rice-deep);
  color: var(--color-ink);
}

.button--sage {
  border-color: #3f5549;
  background: var(--color-sage-dark);
}

.button--sage:hover {
  background: #455c4f;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  inset-block-start: var(--space-3);
  inset-inline-start: var(--space-3);
  transform: translateY(-200%);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-rice);
  padding: var(--space-3) var(--space-4);
  color: var(--color-ink);
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 639px) {
  :root {
    --container-padding: 1rem;
  }

  body {
    font-size: 0.9375rem;
  }

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

  .panel {
    padding: var(--space-5);
  }

  th,
  td {
    padding: var(--space-2);
  }

  .button {
    min-height: 2.75rem;
  }
}

@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;
  }
}