:root {
  --ink:#303534;
  --muted:#67736e;
  --accent:#24675b;
  --accent-dark:#184c43;
  --accent-light:#eaf3ed;
  --line:#e1e8e3;
  --tint:#f7f9f7;
  --white:#fff;
  --radius:8px;
  --content:1200px;
  font-family:"Google Sans","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  font-size:16px;
  font-synthesis:none;
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:28px;
}
body {
  margin:0;
  background:#fff;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
button,a {
  -webkit-tap-highlight-color:transparent;
}
button,input {
  font:inherit;
}
a {
  color:var(--accent);
  text-decoration:none;
}
a:hover {
  text-decoration:underline;
}
button {
  cursor:pointer;
}
img,video {
  max-width:100%;
  display:block;
}
figure {
  margin:0;
}
p {
  margin:0 0 1rem;
}
h1,h2,h3 {
  line-height:1.2;
  margin:0;
  font-weight:650;
  letter-spacing:0;
}
h3 {
  font-size:20px;
}
sup {
  font-size:15px;
  line-height:0;
  vertical-align:super;
}
button:focus-visible,a:focus-visible,summary:focus-visible,video:focus-visible,.table-scroll:focus-visible {
  outline:3px solid #4c927e;
  outline-offset:5px;
}
::selection {
  background:#d1e7d9;
}
.container {
  width:min(var(--content),calc(100% - 48px));
  margin-inline:auto;
}
.narrow {
  max-width:940px;
}
.nowrap {
  white-space:nowrap;
}
.hero {
  padding:46px 0 0;
  text-align:center;
}
.publication-title {
  max-width:1120px;
  margin:0 auto 29px;
  font-size:46px;
  font-weight:600;
  line-height:1.16;
  letter-spacing:0;
  text-wrap:balance;
}
.wordmark {
  color:var(--accent);
  font-weight:750;
  white-space:nowrap;
}
.title-colon {
  color:var(--accent);
}
.spline-mark {
  display:inline-block;
  width:53px;
  height:40px;
  margin-right:8px;
  vertical-align:-4px;
  overflow:visible;
}
.spline-mark path {
  fill:none;
  stroke:var(--accent);
  stroke-width:3.6;
  stroke-linecap:round;
}
.spline-mark path.control-polygon {
  stroke:#a2bbaa;
  stroke-width:1.2;
  stroke-dasharray:3 3;
}
.spline-mark circle {
  fill:#fff;
  stroke:var(--accent);
  stroke-width:2;
}
.publication-authors {
  font-size:18px;
  line-height:1.85;
  letter-spacing:0;
  color:#505952;
}
.publication-authors span {
  display:inline-block;
  white-space:nowrap;
  margin-right:3px;
}
.publication-authors sup {
  margin-left:1px;
}
.affiliations {
  font-size:15px;
  line-height:1.75;
  margin-top:9px;
  color:#606861;
}
.affiliations span {
  display:inline-block;
  margin:0 8px;
}
.affiliations sup {
  margin-right:2px;
}
.author-notes {
  font-size:15px;
  color:#7b827d;
  margin:8px 0 0;
}
.author-notes span {
  margin-left:13px;
}
.publication-links {
  display:flex;
  justify-content:center;
  gap:8px;
  flex-wrap:wrap;
  margin-top:23px;
}
.pill {
  height:41px;
  padding:0 18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--accent);
  color:#fff;
  border-radius:24px;
  font-size:15px;
  font-weight:500;
  line-height:1;
  transition:background .18s,transform .18s;
}
.pill:hover {
  background:var(--accent-dark);
  transform:translateY(-1px);
  text-decoration:none;
}
.pill svg,.copy-button svg {
  width:16px;
  height:16px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
  stroke-linejoin:round;
  stroke-linecap:round;
  flex-shrink:0;
}
.pill-unavailable {
  background:#f1f3f0;
  color:#70776f;
  border:1px solid #e6eae3;
  cursor:default;
}
.pill-unavailable:hover {
  background:#f1f3f0;
  transform:none;
}
.soon {
  font-size:15px;
  color:#737c72;
}
.hero-message {
  font-size:18px;
  letter-spacing:0;
  color:#6b746c;
  margin:36px 0 23px;
}
.hero-message strong {
  font-weight:500;
  color:var(--accent);
}
.hero-figure {
  margin:0 auto;
  max-width:960px;
}
.figure-button {
  position:relative;
  display:block;
  width:100%;
  border:0;
  padding:0;
  background:#fff;
  color:var(--accent);
  border-radius:8px;
  overflow:hidden;
  text-align:inherit;
}
.figure-button img {
  width:100%;
  height:auto;
  transition:opacity .18s;
}
.figure-button:hover img {
  opacity:.95;
}
.hero-figure .figure-button {
  border:1px solid var(--line);
  padding:14px;
  box-shadow:0 4px 18px #273c2810;
  border-radius:var(--radius);
}
.expand-hint {
  position:absolute;
  right:9px;
  bottom:9px;
  background:#ffffffec;
  box-shadow:0 1px 4px #0001;
  width:26px;
  height:26px;
  border:1px solid var(--line);
  border-radius:6px;
  display:grid;
  place-items:center;
  font-size:17px;
  line-height:1;
}
.hero-figure figcaption {
  margin-top:16px;
  font-size:15px;
  color:#6e776f;
}
.section-nav {
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:27px;
  padding:31px 0 27px;
  font-size:15px;
}
.section-nav a {
  color:#69776d;
  transition:color .15s;
}
.section-nav a:hover {
  color:var(--accent);
}
.section {
  padding:65px 0;
}
.section-tint {
  background:var(--tint);
  border-top:1px solid #edf1ec;
  border-bottom:1px solid #edf1ec;
}
.section-title {
  position:relative;
  font-size:31px;
  line-height:1.25;
  letter-spacing:0;
  padding-bottom:17px;
  margin-bottom:22px;
}
.section-title:after {
  content:"";
  position:absolute;
  width:54px;
  height:3px;
  bottom:0;
  left:0;
  border-radius:3px;
  background:linear-gradient(90deg,var(--accent),#a8bb81);
}
.section-title.centered {
  text-align:center;
}
.section-title.centered:after {
  left:50%;
  transform:translateX(-50%);
}
.abstract {
  font-size:17px;
  line-height:1.9;
  text-align:justify;
  color:#58615b;
}
.abstract strong {
  color:var(--ink);
  font-weight:600;
}
.metrics {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  margin-top:35px;
}
.metric {
  text-align:center;
  padding:2px 15px;
}
.metric+.metric {
  border-left:1px solid #dce5dc;
}
.metric-value {
  display:block;
  font-size:34px;
  line-height:1.25;
  font-weight:650;
  letter-spacing:0;
  color:var(--accent);
}
.metric-value>span {
  font-size:19px;
  letter-spacing:0;
}
.metric-name {
  display:block;
  font-weight:600;
  font-size:15px;
  margin:0 0 16px;
}
.metric-name>span {
  font-size:15px;
  font-weight:400;
  color:var(--muted);
  margin-left:5px;
}
.metric-pair {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.metric-label {
  font-size:15px;
  color:var(--muted);
}
.metric-detail {
  display:block;
  color:var(--muted);
  font-size:15px;
  margin-top:12px;
}
.metric-footnote {
  text-align:center;
  color:#7a837b;
  font-size:15px;
  margin:25px 24px 0;
}
.section-intro {
  color:var(--muted);
  font-size:16px;
  line-height:1.7;
  margin-bottom:32px;
}
.section-intro em {
  font-style:normal;
  color:var(--accent);
}
.bspline-reference {
  margin:0 0 28px;
  padding:12px 16px;
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:8px;
  background:var(--accent-light);
  font-size:15px;
  line-height:1.7;
}
.bspline-reference strong {
  color:var(--accent);
}
.bspline-reference a {
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:3px;
  color:var(--accent);
}
.motivation {
  margin-bottom:52px;
}
.motivation p,.result-discussion,.result-limitation,.evaluation-setting,.horizon-study p,.ablation-study p {
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.result-discussion {
  margin-top:20px;
}
.result-limitation {
  padding-left:14px;
  border-left:2px solid #bf8669;
  margin:16px 0 32px;
}
.evaluation-setting {
  margin-top:-16px;
  margin-bottom:24px;
}
.video-note {
  color:var(--muted);
  font-size:15px;
  margin:0 0 14px;
}
.method-steps {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:29px;
  margin:34px 0;
}
.step-label {
  display:block;
  color:var(--accent);
  font-size:15px;
  font-weight:700;
  letter-spacing:0;
  margin-bottom:13px;
}
.method-steps h3 {
  font-size:19px;
  line-height:1.35;
  max-width:260px;
  margin-bottom:11px;
}
.method-steps p {
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
}
.method-figures {
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:20px;
  margin-top:33px;
}
.figure-panel {
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:21px 20px 17px;
  background:#fff;
}
.figure-panel h3 {
  align-self:flex-start;
  font-size:16px;
  margin-bottom:20px;
}
.figure-panel .figure-button {
  margin-block:auto;
  min-height:155px;
  display:flex;
  align-items:center;
}
.figure-panel:first-child .figure-button img {
  max-height:340px;
  object-fit:contain;
}
.figure-panel figcaption {
  font-size:15px;
  color:var(--muted);
  text-align:center;
  margin-top:18px;
}
.task-list {
  display:flex;
  flex-direction:column;
  gap:26px;
}
.task-block {
  border:1px solid #e1e7df;
  border-radius:8px;
  padding:24px 25px 17px;
  background:#fff;
  box-shadow:0 3px 13px #233d2910;
}
.task-header {
  display:flex;
  align-items:center;
  gap:13px;
}
.task-header>div {
  display:flex;
  align-items:center;
  gap:6px 14px;
  flex-wrap:wrap;
}
.task-index {
  display:grid;
  place-items:center;
  width:35px;
  height:35px;
  flex-shrink:0;
  border-radius:9px;
  background:linear-gradient(135deg,#2b6d60,#659071);
  color:#fff;
  font-size:15px;
  font-weight:650;
  font-variant-numeric:tabular-nums;
}
.task-header h3 {
  font-size:21px;
  letter-spacing:0;
}
.task-tag {
  font-size:15px;
  letter-spacing:0;
  text-transform:uppercase;
  font-weight:600;
  line-height:1.5;
  color:#5e7664;
  background:#f0f5ef;
  border:1px solid #e1e9dc;
  border-radius:20px;
  padding:4px 9px;
}
.task-description {
  color:var(--muted);
  font-size:15px;
  margin:8px 0 0;
  padding-left:48px;
}
.task-overview {
  display:grid;
  grid-template-columns:150px minmax(0,1fr);
  gap:20px;
  align-items:center;
  margin-bottom:22px;
}
.task-thumbnail {
  display:block;
  width:150px;
  height:112px;
  object-fit:contain;
  background:#f4f5f3;
  border-radius:4px;
}
.playback-control {
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:8px;
  color:var(--muted);
  font-size:15px;
  margin:-6px 0 12px;
}
.playback-control select {
  font:inherit;
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:4px;
  background:white;
  padding:5px 8px;
  min-width:65px;
}
.video-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:19px;
}
.video-grid video {
  width:100%;
  aspect-ratio:16/9;
  object-fit:contain;
  background:#111915;
  border-radius:8px;
  box-shadow:0 1px 4px #0001;
}
.video-grid figcaption {
  text-align:center;
  font-size:15px;
  color:#6b746c;
  margin:9px 0 0;
}
.horizon-study,.ablation-study {
  margin-top:40px;
}
.horizon-study h3,.ablation-study h3 {
  font-size:21px;
  margin-bottom:12px;
}
.horizon-study figure,.ablation-study figure {
  margin-top:20px;
}
.horizon-study .figure-button,.ablation-study .figure-button {
  background:#fff;
}
.table-scroll {
  width:100%;
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:8px;
}
table {
  border-collapse:collapse;
  width:100%;
  font-size:15px;
  white-space:nowrap;
  text-align:center;
  font-variant-numeric:tabular-nums;
}
th,td {
  padding:14px 12px;
  border-bottom:1px solid #e6ebe4;
}
thead {
  background:#f8faf7;
}
thead th {
  font-weight:600;
  font-size:15px;
  color:#4c5c50;
}
thead tr:first-child th {
  border-bottom:1px solid #dbe5d8;
  padding-top:17px;
  padding-bottom:12px;
}
thead tr:nth-child(2) th {
  font-size:15px;
  color:#73806f;
  font-weight:500;
  padding-top:9px;
  padding-bottom:11px;
}
th:first-child {
  text-align:left;
}
tbody th {
  font-weight:400;
}
tbody tr:last-child th,tbody tr:last-child td {
  border-bottom:0;
}
.highlight {
  background:#edf5ed;
  color:var(--accent-dark);
  font-weight:700;
}
.highlight th {
  font-weight:700;
}
.real-table {
  font-size:15px;
  background:#fff;
}
.real-table th,.real-table td {
  padding-inline:10px;
}
.real-table .highlight {
  font-weight:400;
}
.real-table thead th {
  font-size:15px;
}
thead tr:first-child th[colspan],tbody td:nth-child(2),tbody td:nth-child(5),.real-table tbody td:nth-child(8) {
  border-left:1px solid var(--line);
}
.highlight th span {
  margin-left:6px;
  font-size:15px;
  padding:2px 6px;
  color:#54725a;
  background:#dcebdc;
  border-radius:4px;
}
.table-note {
  font-size:15px;
  color:#7b857b;
  margin:13px 0 0;
  line-height:1.8;
}
.citation-heading {
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:20px;
}
.copy-button {
  display:flex;
  align-items:center;
  gap:7px;
  border:1px solid #dce5d8;
  background:#fff;
  border-radius:7px;
  padding:8px 12px;
  font-size:15px;
  color:#526b58;
}
.copy-button:hover {
  background:#edf4ec;
}
.citation-code {
  margin:0;
  padding:22px 24px;
  border:1px solid #e0e7dc;
  border-radius:9px;
  background:#f0f3ed;
  overflow-x:auto;
  color:#4e5c4e;
  font:15px/1.85 "SFMono-Regular",Consolas,"Liberation Mono",monospace;
  tab-size:2;
}
.copy-status {
  height:18px;
  margin:6px 0 -18px;
  font-size:15px;
  color:var(--accent);
}
footer {
  padding:31px 0 28px;
  text-align:center;
  font-size:15px;
  color:#8a9189;
}
.footer-content {
  position:relative;
}
.footer-content p {
  margin-bottom:7px;
}
.footer-wordmark {
  font-weight:650;
  color:#58785f;
}
.footer-divider {
  margin:0 8px;
  color:#b2bbb0;
}
.footer-content a {
  color:#6b8570;
}
.back-to-top {
  display:inline-block;
  margin-top:11px;
  font-size:15px;
}
.skip-link {
  position:absolute;
  top:-100px;
  left:12px;
  z-index:10;
  background:#fff;
  border:2px solid var(--accent);
  padding:8px 14px;
}
.skip-link:focus {
  top:12px;
}
.visually-hidden {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}
dialog {
  border:0;
  padding:0;
  border-radius:14px;
  max-width:min(1240px,94vw);
  width:fit-content;
  max-height:90vh;
  box-shadow:0 20px 90px #0004;
  color:var(--ink);
}
dialog::backdrop {
  background:#10221caa;
  backdrop-filter:blur(5px);
}
.dialog-toolbar {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:11px 16px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--muted);
}
.dialog-toolbar button {
  width:32px;
  height:32px;
  border:0;
  border-radius:50%;
  background:#f2f5f0;
  color:#4b6050;
}
.dialog-image-wrap {
  overflow:auto;
  max-height:70vh;
  padding:18px;
  background:#fff;
}
.dialog-image-wrap img {
  width:auto;
  max-width:100%;
  height:auto;
  max-height:66vh;
  object-fit:contain;
  margin:auto;
}
#figure-caption {
  font-size:15px;
  color:var(--muted);
  padding:0 18px 14px;
  margin:0;
  max-width:1000px;
}
body:has(dialog[open]) {
  overflow:hidden;
}
@media(min-width:1450px) {
  .hero {
    padding-top:62px;
  }
}
@media(max-width:800px) {
  .publication-title {
    font-size:39px;
    letter-spacing:0;
  }
  .publication-authors {
    font-size:16px;
  }
  .author-break {
    display:none;
  }
  .affiliations {
    font-size:15px;
  }
  .hero {
    padding-top:35px;
  }
  .metrics {
    gap:0;
  }
  .metric {
    padding-inline:9px;
  }
  .metric-value {
    font-size:32px;
  }
  .metric-value>span {
    font-size:16px;
  }
  .metric-name {
    font-size:15px;
  }
  .metric-detail {
    font-size:15px;
  }
  .method-steps {
    gap:20px;
  }
  .method-steps h3 {
    font-size:17px;
  }
  .method-steps p {
    font-size:15px;
  }
  .method-figures {
    grid-template-columns:1fr;
  }
  .figure-panel .figure-button {
    max-width:600px;
  }
  .task-header>div {
    gap:8px;
  }
  .task-tag {
    font-size:15px;
  }
}
@media(max-width:560px) {
  .publication-title .nowrap {
    white-space:normal;
  }
  .container {
    width:calc(100% - 36px);
  }
  .hero {
    padding-top:30px;
  }
  .publication-title {
    font-size:27px;
    line-height:1.22;
    letter-spacing:0;
    margin-bottom:23px;
    text-wrap:pretty;
  }
  .spline-mark {
    width:38px;
    height:28px;
    margin-right:4px;
    vertical-align:-3px;
  }
  .publication-authors {
    font-size:15px;
    line-height:1.9;
  }
  .publication-authors span {
    margin-right:1px;
  }
  .affiliations {
    font-size:15px;
    line-height:1.9;
    margin-top:12px;
  }
  .affiliations span {
    margin-inline:4px;
  }
  .affiliation-break {
    display:none;
  }
  .author-notes {
    font-size:15px;
    margin-top:10px;
  }
  .author-notes span {
    margin-left:8px;
  }
  .publication-links {
    gap:7px;
    margin-top:20px;
  }
  .pill {
    font-size:15px;
    height:36px;
    padding:0 12px;
    gap:6px;
  }
  .pill svg {
    width:14px;
    height:14px;
  }
  .soon {
    font-size:15px;
  }
  .hero-message {
    font-size:15px;
    line-height:1.6;
    margin:27px 5px 17px;
    text-wrap:balance;
  }
  .hero-message strong {
    display:block;
  }
  .hero-figure .figure-button {
    padding:6px;
    border-radius:9px;
  }
  .hero-figure figcaption {
    font-size:15px;
    margin-top:12px;
    text-wrap:balance;
  }
  .expand-hint {
    width:21px;
    height:21px;
    font-size:15px;
    right:5px;
    bottom:5px;
  }
  .section-nav {
    gap:17px;
    font-size:15px;
    padding:25px 0 22px;
  }
  .section {
    padding:43px 0;
  }
  .section-title {
    font-size:26px;
    letter-spacing:0;
    margin-bottom:20px;
    padding-bottom:14px;
  }
  .abstract {
    font-size:15px;
    line-height:1.85;
    text-align:left;
  }
  .metrics {
    grid-template-columns:1fr;
    margin-top:24px;
    max-width:300px;
    gap:18px;
  }
  .metric {
    padding:0 0 18px;
  }
  .metric+.metric {
    border-left:0;
  }
  .metric:not(:last-child) {
    border-bottom:1px solid #dce5dc;
  }
  .metric:last-child {
    padding-bottom:0;
  }
  .metric-value {
    font-size:37px;
  }
  .metric-value>span {
    font-size:18px;
  }
  .metric-name {
    margin-top:7px;
    font-size:15px;
  }
  .metric-detail {
    font-size:15px;
  }
  .metric-footnote {
    font-size:15px;
    margin-top:21px;
  }
  .section-intro {
    font-size:15px;
    margin-bottom:25px;
  }
  .method-steps {
    grid-template-columns:1fr;
    gap:25px;
    margin:26px 0;
  }
  .method-steps article {
    padding-left:16px;
    border-left:2px solid #dce6d7;
  }
  .step-label {
    margin-bottom:7px;
    font-size:15px;
  }
  .method-steps h3 {
    font-size:18px;
    max-width:none;
    margin-bottom:7px;
  }
  .method-steps p {
    font-size:15px;
  }
  .method-figures {
    margin-top:25px;
    gap:16px;
  }
  .figure-panel {
    padding:17px 12px 14px;
  }
  .figure-panel h3 {
    font-size:15px;
    margin-bottom:17px;
    margin-left:4px;
  }
  .figure-panel .figure-button {
    min-height:0;
  }
  .figure-panel figcaption {
    font-size:15px;
    margin-top:13px;
  }
  .task-list {
    gap:20px;
  }
  .task-block {
    padding:18px 14px 15px;
    border-radius:8px;
  }
  .task-header {
    gap:10px;
    align-items:flex-start;
  }
  .task-index {
    width:30px;
    height:30px;
    font-size:15px;
    border-radius:7px;
  }
  .task-header>div {
    display:block;
  }
  .task-header h3 {
    font-size:19px;
  }
  .task-tag {
    display:inline-block;
    font-size:15px;
    margin-top:7px;
    letter-spacing:0;
    padding:3px 7px;
  }
  .task-description {
    font-size:15px;
    padding-left:0;
    margin:12px 0 0;
    line-height:1.7;
  }
  .task-overview {
    grid-template-columns:1fr;
    gap:14px;
    margin-bottom:20px;
  }
  .task-thumbnail {
    width:100%;
    height:150px;
  }
  .horizon-study h3,.ablation-study h3 {
    font-size:19px;
  }
  .video-grid {
    grid-template-columns:1fr;
    gap:17px;
  }
  .video-grid video {
    border-radius:7px;
  }
  .video-grid figcaption {
    font-size:15px;
    margin-top:6px;
  }
  table {
    font-size:15px;
  }
  th,td {
    padding:12px 13px;
  }
  .table-note {
    font-size:15px;
  }
  .citation-heading {
    gap:10px;
  }
  .copy-button {
    font-size:15px;
    padding:7px 9px;
    margin-top:1px;
  }
  .copy-button svg {
    width:13px;
    height:13px;
  }
  .citation-code {
    font-size:15px;
    padding:16px;
  }
  .footer-content {
    font-size:15px;
  }
  .dialog-image-wrap {
    padding:8px;
  }
  #figure-caption {
    font-size:15px;
    padding:0 12px 12px;
  }
  .footer-divider {
    margin:0 5px;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  *,*::before,*::after {
    transition:none!important;
  }
}
