:root {
  color-scheme: light;
  font-family:
    Inter,
    "Noto Sans JP",
    "Yu Gothic UI",
    system-ui,
    -apple-system,
    sans-serif;
  color: #1a201e;
  background: #ecebe6;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #1a201e;
  --muted: #69716d;
  --line: #d9d8d1;
  --paper: #fffefa;
  --paper-soft: #f7f6f1;
  --accent: #e35831;
  --accent-dark: #9e2e14;
  --rail: #d7d6cf;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 88% 1rem, rgb(73 155 147 / 10%), transparent 22rem),
    linear-gradient(180deg, #f4f2ec 0, #ecebe6 42rem);
}

button,
input {
  font: inherit;
}

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

button {
  color: inherit;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 20;
  padding: 0.7rem 1rem;
  color: white;
  background: var(--ink);
  transform: translateY(-110%);
}

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

.site-header,
footer,
main {
  width: min(94rem, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header,
footer,
.brand,
.site-header nav,
.brand-mark,
.app-symbol,
.workspace-intro,
.summary-strip,
.panel-header,
.lane-heading,
.problem-meta,
.problem-actions,
.rating-legend,
.history-import header,
.data-actions > div {
  display: flex;
  align-items: center;
}

.site-header {
  min-height: 3.5rem;
  justify-content: space-between;
  border-bottom: 1px solid rgb(26 32 30 / 12%);
}

.brand {
  gap: 0.6rem;
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand-mark,
.app-symbol {
  gap: 0.13rem;
}

.brand-mark i {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--ink);
}

.brand-mark i:nth-child(2) {
  background: #8a6549;
}

.brand-mark i:nth-child(3) {
  background: #3e8f67;
}

.brand-mark i:nth-child(4) {
  background: #36a1af;
}

.brand-mark i:nth-child(5) {
  background: #3463b5;
}

.site-header nav,
footer nav {
  gap: 1rem;
  color: #535c58;
  font-size: 0.74rem;
}

.site-header nav a,
footer a {
  text-decoration-color: transparent;
  text-underline-offset: 0.2rem;
}

.site-header nav a:hover,
footer a:hover {
  text-decoration-color: currentColor;
}

main {
  padding-block: 1rem 3rem;
}

.workspace-intro {
  min-height: 3.25rem;
  gap: 0.85rem;
}

.app-symbol {
  position: relative;
  width: 4.4rem;
  height: 1.4rem;
  justify-content: space-between;
}

.app-symbol::before {
  position: absolute;
  top: calc(50% - 1px);
  right: 0.3rem;
  left: 0.3rem;
  height: 2px;
  content: "";
  background: var(--rail);
}

.app-symbol i {
  z-index: 1;
  width: 0.72rem;
  height: 0.72rem;
  border: 3px solid #f4f2ec;
  border-radius: 50%;
  background: var(--ink);
}

.app-symbol i:nth-child(2) {
  background: #8a6549;
}

.app-symbol i:nth-child(3) {
  background: #3e8f67;
}

.app-symbol i:nth-child(4) {
  background: #36a1af;
}

.app-symbol i:nth-child(5) {
  background: #3463b5;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  letter-spacing: -0.025em;
}

.workspace-intro h1 {
  margin: 0 0 0.14rem;
  font-size: 1.18rem;
  line-height: 1.2;
}

.workspace-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.local-badge {
  padding: 0.34rem 0.55rem;
  margin-left: auto;
  color: #3e6058;
  background: #e4eeea;
  border: 1px solid #c9dcd5;
  border-radius: 999px;
  font-size: 0.67rem;
  font-weight: 800;
}

.summary-strip {
  overflow: hidden;
  margin: 0.75rem 0;
  background: rgb(255 254 250 / 80%);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  box-shadow: 0 0.5rem 1.4rem rgb(53 48 35 / 4%);
}

.summary-strip > div {
  min-width: 8rem;
  padding: 0.62rem 0.8rem;
  border-right: 1px solid var(--line);
}

.summary-strip > div:last-child {
  border-right: 0;
}

.summary-strip span,
.summary-strip strong {
  display: block;
}

.summary-strip span {
  margin-bottom: 0.14rem;
  color: var(--muted);
  font-size: 0.61rem;
  font-weight: 750;
}

.summary-strip strong {
  font-size: 0.84rem;
}

.summary-strip .pace-summary {
  display: grid;
  min-width: 14rem;
  flex: 1;
  grid-template-columns: 1fr auto;
}

.pace-summary i {
  overflow: hidden;
  height: 0.3rem;
  margin-top: 0.25rem;
  background: #e5e4df;
  border-radius: 999px;
  grid-column: 1 / -1;
}

.pace-summary b {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width 180ms ease;
}

.pace-summary b.progress-1 {
  width: 20%;
}

.pace-summary b.progress-2 {
  width: 40%;
}

.pace-summary b.progress-3 {
  width: 60%;
}

.pace-summary b.progress-4 {
  width: 80%;
}

.pace-summary b.progress-5 {
  width: 100%;
}

.algo-workbench {
  display: grid;
  overflow: hidden;
  min-height: 41rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 1.25rem 3.5rem rgb(55 48 31 / 8%);
  grid-template-columns: 17rem minmax(34rem, 1fr) 19rem;
}

.control-panel,
.progress-panel,
.lane-panel {
  min-width: 0;
  padding: 0.95rem;
}

.control-panel {
  background: var(--paper-soft);
  border-right: 1px solid var(--line);
}

.progress-panel {
  display: grid;
  align-content: start;
  background: #f6f7f4;
  border-left: 1px solid var(--line);
  gap: 0.75rem;
}

.panel-header,
.lane-heading,
.history-import header {
  justify-content: space-between;
}

.panel-header {
  min-height: 1.6rem;
}

.panel-header h2,
.data-actions h2 {
  margin: 0;
  font-size: 0.77rem;
}

.panel-header output,
.panel-header span,
.history-import header span {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 750;
}

fieldset {
  padding: 0;
  margin: 1rem 0 0;
  border: 0;
}

legend {
  margin-bottom: 0.48rem;
  color: #48504d;
  font-size: 0.68rem;
  font-weight: 850;
}

.band-row {
  display: grid;
  gap: 0.24rem;
  grid-template-columns: repeat(5, 1fr);
}

.band-row button {
  min-width: 0;
  padding: 0.4rem 0.1rem;
  background: white;
  border: 1px solid #d7d6cf;
  border-radius: 0.48rem;
  cursor: pointer;
}

.band-row button i,
.band-row button span,
.band-row button small {
  display: block;
  margin-inline: auto;
}

.band-row button i {
  width: 0.54rem;
  height: 0.54rem;
  margin-bottom: 0.22rem;
  border: 1px solid rgb(0 0 0 / 12%);
  border-radius: 50%;
}

.band-row button span {
  font-size: 0.63rem;
  font-weight: 900;
}

.band-row button small {
  margin-top: 0.05rem;
  color: #808681;
  font-size: 0.42rem;
}

.band-row button[aria-pressed="true"] {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}

.band-gray i,
.tone-gray {
  --tone: #7c8581;
  background-color: #7c8581 !important;
}

.band-brown i,
.tone-brown {
  --tone: #8a6549;
  background-color: #8a6549 !important;
}

.band-green i,
.tone-green {
  --tone: #3e8f67;
  background-color: #3e8f67 !important;
}

.band-cyan i,
.tone-cyan {
  --tone: #36a1af;
  background-color: #36a1af !important;
}

.band-blue i,
.tone-blue {
  --tone: #3463b5;
  background-color: #3463b5 !important;
}

.tone-yellow {
  --tone: #b58a25;
  background-color: #b58a25 !important;
}

.topic-grid {
  display: grid;
  gap: 0.3rem;
  grid-template-columns: repeat(2, 1fr);
}

.topic-grid label,
.mode-field label {
  position: relative;
}

.topic-grid input,
.mode-field input {
  position: absolute;
  opacity: 0;
}

.topic-grid span {
  display: flex;
  min-height: 1.9rem;
  padding: 0.3rem 0.48rem;
  align-items: center;
  background: white;
  border: 1px solid #d8d8d1;
  border-radius: 0.42rem;
  color: #59615d;
  font-size: 0.61rem;
  font-weight: 750;
  cursor: pointer;
}

.topic-grid input:checked + span {
  color: #204f43;
  background: #e4f0ec;
  border-color: #8ab5a8;
}

.topic-grid input:checked + span::before {
  margin-right: 0.28rem;
  content: "●";
  color: #3e8f67;
  font-size: 0.45rem;
}

.mode-field > div {
  display: grid;
  gap: 0.3rem;
  grid-template-columns: repeat(3, 1fr);
}

.mode-field span {
  display: block;
  min-height: 3rem;
  padding: 0.45rem 0.3rem;
  text-align: center;
  background: white;
  border: 1px solid #d8d8d1;
  border-radius: 0.45rem;
  cursor: pointer;
}

.mode-field strong,
.mode-field small {
  display: block;
}

.mode-field strong {
  font-size: 0.64rem;
}

.mode-field small {
  margin-top: 0.15rem;
  color: #777f7b;
  font-size: 0.48rem;
  line-height: 1.25;
}

.mode-field input:checked + span {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}

.mode-field input:checked + span small {
  color: rgb(255 255 255 / 72%);
}

.generate-button {
  width: 100%;
  min-height: 2.65rem;
  margin-top: 0.8rem;
  color: white;
  background: var(--accent);
  border: 0;
  border-radius: 0.56rem;
  box-shadow: 0 0.35rem 0 #bd3e20;
  font-size: 0.73rem;
  font-weight: 900;
  cursor: pointer;
}

.generate-button:active {
  box-shadow: 0 0.12rem 0 #bd3e20;
  transform: translateY(0.2rem);
}

.history-import {
  padding-top: 0.85rem;
  margin-top: 1rem;
  border-top: 1px solid var(--line);
}

.history-import h3 {
  margin: 0;
  font-size: 0.7rem;
}

.history-import > div {
  display: grid;
  margin-top: 0.45rem;
  grid-template-columns: 1fr auto;
}

.history-import input,
.history-import button {
  min-height: 2.1rem;
  border: 1px solid #c9cac4;
}

.history-import input {
  min-width: 0;
  padding-inline: 0.55rem;
  border-radius: 0.4rem 0 0 0.4rem;
}

.history-import button {
  padding-inline: 0.55rem;
  color: white;
  background: #35423d;
  border-color: #35423d;
  border-radius: 0 0.4rem 0.4rem 0;
  font-size: 0.61rem;
  font-weight: 800;
}

.history-import button:disabled {
  opacity: 0.5;
}

.history-import p {
  margin: 0.45rem 0 0;
  color: #737b77;
  font-size: 0.56rem;
  line-height: 1.55;
}

.lane-panel {
  padding: 0.95rem 1.2rem 1.1rem;
  background:
    linear-gradient(rgb(255 254 250 / 88%), rgb(255 254 250 / 88%)),
    repeating-linear-gradient(90deg, transparent, transparent 31px, rgb(26 32 30 / 4%) 32px);
}

.lane-heading {
  min-height: 2.6rem;
  gap: 1rem;
}

.lane-heading span {
  color: var(--accent-dark);
  font-size: 0.52rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.lane-heading h2 {
  margin: 0.13rem 0 0;
  font-size: 0.9rem;
}

.lane-heading > div:last-child {
  display: flex;
  gap: 0.35rem;
}

.lane-heading button,
.data-actions button,
.data-actions label {
  min-height: 1.95rem;
  padding-inline: 0.58rem;
  background: white;
  border: 1px solid #cfcec7;
  border-radius: 0.42rem;
  color: #525b57;
  font-size: 0.58rem;
  font-weight: 800;
  cursor: pointer;
}

.problem-lane {
  position: relative;
  display: grid;
  padding: 0.25rem 0 0;
  margin: 0;
  list-style: none;
  gap: 0.46rem;
}

.problem-lane::before {
  position: absolute;
  top: 2.3rem;
  bottom: 2.3rem;
  left: 1.54rem;
  width: 0.23rem;
  content: "";
  background: var(--rail);
  border-radius: 99px;
}

.problem-card {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 5.6rem;
  padding: 0.65rem 0.7rem 0.65rem 0.58rem;
  align-items: center;
  background: white;
  border: 1px solid #dcdbd5;
  border-radius: 0.72rem;
  box-shadow: 0 0.35rem 1rem rgb(45 43 35 / 5%);
  grid-template-columns: 2.45rem minmax(0, 1fr) auto;
  gap: 0.7rem;
}

.problem-card::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  border-radius: inherit;
  box-shadow: inset 0.22rem 0 var(--tone, #7c8581);
  pointer-events: none;
}

.problem-card.is-solved {
  background: #f3faf6;
  border-color: #b8d8c6;
}

.problem-card.is-solved .problem-body h3 {
  text-decoration: line-through;
  text-decoration-color: #7da58d;
}

.lane-node {
  display: grid;
  width: 1.9rem;
  height: 1.9rem;
  color: white;
  border: 4px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgb(26 32 30 / 10%);
  place-items: center;
}

.lane-node span {
  font-size: 0.57rem;
  font-weight: 950;
}

.problem-body {
  min-width: 0;
}

.problem-meta {
  gap: 0.35rem;
  color: #727a76;
  font-size: 0.52rem;
  font-weight: 750;
}

.problem-meta .difficulty {
  padding: 0.1rem 0.28rem;
  color: white;
  border-radius: 999px;
}

.problem-body h3 {
  overflow: hidden;
  margin: 0.18rem 0 0.13rem;
  font-size: 0.82rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.problem-body p {
  margin: 0;
  color: #818783;
  font-family: Consolas, monospace;
  font-size: 0.5rem;
}

.problem-actions {
  justify-content: flex-end;
  gap: 0.27rem;
}

.problem-actions a,
.problem-actions button {
  min-height: 1.9rem;
  padding: 0.38rem 0.5rem;
  background: white;
  border: 1px solid #cecec8;
  border-radius: 0.4rem;
  font-size: 0.56rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.problem-actions a {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}

.problem-actions button[aria-pressed="true"] {
  color: #185b40;
  background: #dff1e7;
  border-color: #90c3a5;
}

.rating-legend {
  padding: 0.65rem 0.2rem 0;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: #6d7571;
  font-size: 0.55rem;
}

.rating-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.rating-legend i {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
}

.rating-legend small {
  margin-left: auto;
  font-size: 0.5rem;
}

.load-error {
  padding: 2rem;
  color: #862f1e;
  background: #fff0eb;
  border: 1px solid #e7b4a7;
  border-radius: 0.6rem;
  font-size: 0.76rem;
}

.week-card,
.coverage-card,
.review-card,
.data-actions {
  padding: 0.72rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
}

.activity-grid {
  display: grid;
  margin-top: 0.55rem;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.22rem;
}

.activity-grid span {
  display: grid;
  aspect-ratio: 1;
  min-width: 0;
  background: #ebebe6;
  border-radius: 0.24rem;
  place-items: center;
}

.activity-grid i {
  display: none;
}

.activity-grid b {
  color: #7d827f;
  font-size: 0.47rem;
}

.activity-grid .activity-1 {
  background: #d9eee2;
}

.activity-grid .activity-2 {
  background: #aad7bd;
}

.activity-grid .activity-3 {
  background: #70b88f;
}

.activity-grid .activity-4 {
  background: #318059;
}

.activity-grid .activity-3 b,
.activity-grid .activity-4 b {
  color: white;
}

.coverage-list {
  display: grid;
  margin-top: 0.5rem;
  gap: 0.36rem;
}

.coverage-list > div {
  display: grid;
  align-items: center;
  grid-template-columns: 4.3rem 1fr 1.2rem;
  gap: 0.35rem;
}

.coverage-list span,
.coverage-list output {
  color: #68706c;
  font-size: 0.52rem;
}

.coverage-list output {
  text-align: right;
  font-weight: 850;
}

.coverage-list i {
  overflow: hidden;
  height: 0.3rem;
  background: #e9e9e4;
  border-radius: 999px;
}

.coverage-list b {
  display: block;
  width: 0;
  height: 100%;
  background: #3e8f67;
}

.coverage-list .bar-1 {
  width: 10%;
}

.coverage-list .bar-2 {
  width: 20%;
}

.coverage-list .bar-3 {
  width: 30%;
}

.coverage-list .bar-4 {
  width: 40%;
}

.coverage-list .bar-5 {
  width: 50%;
}

.coverage-list .bar-6 {
  width: 60%;
}

.coverage-list .bar-7 {
  width: 70%;
}

.coverage-list .bar-8 {
  width: 80%;
}

.coverage-list .bar-9 {
  width: 90%;
}

.coverage-list .bar-10 {
  width: 100%;
}

.review-list {
  display: grid;
  max-height: 11rem;
  margin-top: 0.45rem;
  gap: 0.25rem;
  overflow-y: auto;
}

.review-list > div {
  display: grid;
  min-width: 0;
  align-items: center;
  grid-template-columns: 1fr auto;
}

.review-list a {
  display: grid;
  min-width: 0;
  padding: 0.32rem 0.38rem;
  text-decoration: none;
}

.review-list a span {
  color: #7d8581;
  font-size: 0.43rem;
}

.review-list a strong {
  overflow: hidden;
  font-size: 0.58rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-list button {
  width: 1.55rem;
  height: 1.55rem;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 50%;
  color: #828986;
  cursor: pointer;
}

.empty-state {
  padding: 0.6rem 0;
  margin: 0;
  color: #858b88;
  font-size: 0.56rem;
  line-height: 1.5;
}

.data-actions h2 {
  margin-bottom: 0.5rem;
}

.data-actions > div {
  gap: 0.35rem;
}

.data-actions button,
.data-actions label {
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
}

.data-actions label {
  position: relative;
}

.data-actions input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.source-note {
  padding: 0.1rem 0.15rem;
  margin: 0;
  color: #727a76;
  font-size: 0.52rem;
  line-height: 1.55;
}

.source-note a {
  font-weight: 800;
}

.prose,
.not-found {
  width: min(46rem, 100%);
  padding: clamp(1.25rem, 4vw, 2.2rem);
  margin: 1.5rem auto 4rem;
  background: rgb(255 254 250 / 92%);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
}

.prose h1,
.not-found h1 {
  margin-bottom: 1.6rem;
  font-size: 1.25rem;
}

.prose h2 {
  margin: 1.5rem 0 0.35rem;
  font-size: 0.83rem;
}

.prose p,
.not-found p {
  color: #59615d;
  font-size: 0.78rem;
  line-height: 1.85;
}

.not-found {
  text-align: center;
}

.not-found > span {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent);
  letter-spacing: 0.35em;
}

.not-found a {
  display: inline-flex;
  min-height: 2.3rem;
  padding-inline: 0.8rem;
  align-items: center;
  color: white;
  background: var(--ink);
  border-radius: 0.45rem;
  font-size: 0.68rem;
  font-weight: 850;
  text-decoration: none;
}

footer {
  min-height: 4.5rem;
  justify-content: space-between;
  color: #616965;
  border-top: 1px solid rgb(26 32 30 / 12%);
  font-size: 0.68rem;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
input:focus-visible + span,
label:focus-within {
  outline: 3px solid #ed9d36;
  outline-offset: 2px;
}

button:hover,
.topic-grid label:hover span,
.mode-field label:hover span {
  border-color: #8e938f;
}

@media (max-width: 70rem) {
  .algo-workbench {
    grid-template-columns: 17rem minmax(0, 1fr);
  }

  .progress-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
    grid-column: 1 / -1;
    grid-template-columns: repeat(4, 1fr);
  }

  .source-note {
    align-self: center;
  }
}

@media (max-width: 48rem) {
  .site-header,
  footer,
  main {
    width: min(100% - 1rem, 46rem);
  }

  .site-header {
    min-height: 3rem;
  }

  .site-header nav a:first-child {
    display: none;
  }

  main {
    padding-top: 0.6rem;
  }

  .workspace-intro {
    display: grid;
    grid-template-columns: auto 1fr;
  }

  .app-symbol {
    width: 3.4rem;
  }

  .workspace-intro h1 {
    font-size: 1.05rem;
  }

  .workspace-intro p {
    font-size: 0.67rem;
  }

  .local-badge {
    display: none;
  }

  .summary-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .summary-strip > div {
    min-width: 0;
    padding: 0.5rem;
  }

  .summary-strip .pace-summary {
    min-width: 0;
    border-top: 1px solid var(--line);
    grid-column: 1 / -1;
  }

  .summary-strip > div:nth-child(4) {
    border-right: 0;
  }

  .algo-workbench {
    overflow: visible;
    grid-template-columns: 1fr;
  }

  .lane-panel {
    order: 1;
  }

  .control-panel {
    order: 2;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .progress-panel {
    order: 3;
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .problem-card {
    min-height: 6.5rem;
    padding: 0.62rem 0.55rem;
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.5rem;
  }

  .problem-actions {
    grid-column: 2;
    justify-content: flex-start;
  }

  .lane-node {
    width: 1.7rem;
    height: 1.7rem;
  }

  .problem-lane::before {
    left: 1.3rem;
  }

  .problem-actions a,
  .problem-actions button {
    min-height: 1.8rem;
  }

  .rating-legend small {
    width: 100%;
    margin-left: 0;
  }

  footer {
    padding-block: 1.2rem;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
  }
}

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

  * {
    transition: none !important;
  }
}