:root {
  --paper: #f8f6f0;
  --ink: #233d35;
  --green: #244c40;
  --muted: #65746b;
  --line: #d7dcd2;
  --gold: #edc879;
  --white: #fffefa;
  font-size: 16px;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.9;
  overflow-wrap: anywhere;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: #936310;
}
a:focus-visible,
input:focus-visible {
  outline: 3px solid #ad7423;
  outline-offset: 5px;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
.footer-title {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
}
h1 {
  line-height: 1.65;
  letter-spacing: 0.04em;
}
h2 {
  line-height: 1.7;
  letter-spacing: 0.04em;
}
p {
  margin-bottom: 1.6em;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button,
input {
  font: inherit;
}
.wrap {
  width: min(1200px, calc(100% - 100px));
  margin: auto;
}
.eyebrow {
  font-family: Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 20px;
}
.header {
  height: 105px;
  padding: 20px 4%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  gap: 30px;
  background: var(--paper);
}
.brand {
  display: flex;
  gap: 16px;
  align-items: center;
  line-height: 1.65;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.brand b {
  font-size: 1rem;
  letter-spacing: 0.05em;
}
.brand-mark {
  width: 52px;
  height: 58px;
  background: var(--green);
  color: var(--paper);
  border-radius: 26px 26px 4px 4px;
  text-align: center;
  padding-top: 9px;
  line-height: 1.5;
  font-family: serif;
  font-size: 0.85rem;
}
.header nav {
  display: flex;
  align-items: center;
  gap: 35px;
  font-size: 0.875rem;
  font-weight: 600;
}
.nav-check {
  border: 1px solid var(--green);
  padding: 10px 22px;
  border-radius: 2px;
}
.home-hero {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  max-width: 1500px;
  margin: auto;
  padding: 65px 5% 0;
  position: relative;
  align-items: center;
}
.hero-copy {
  padding-bottom: 55px;
  z-index: 1;
}
.supervisor {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  border-left: 3px solid var(--gold);
  padding-left: 13px;
  margin-bottom: 26px;
}
.home-hero h1 {
  font-size: clamp(2.4rem, 3.7vw, 3.55rem);
  margin: 0 0 24px;
  white-space: nowrap;
}
.hero-lead {
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.hero-copy > p:not(.eyebrow):not(.supervisor):not(.hero-lead) {
  font-size: 0.95rem;
  line-height: 2.2;
}
.hero-art {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-right: -25px;
}
.hero-art img {
  width: 100%;
  mix-blend-mode: multiply;
  border-radius: 50% 50% 8px 8px;
}
.art-caption {
  font-size: 0.8rem;
  text-align: center;
  letter-spacing: 0.12em;
  margin: 20px 0 35px;
}
.button {
  display: inline-block;
  background: var(--green);
  color: white;
  padding: 16px 30px;
  min-height: 54px;
  border-radius: 2px;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.button:hover {
  background: #346c59;
  color: white;
}
.hero-bottom {
  grid-column: 1/-1;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding: 21px 0;
  font-size: 0.75rem;
  letter-spacing: 0.09em;
}
.intro {
  display: grid;
  grid-template-columns: 1fr 2.3fr;
  padding-top: 110px;
  padding-bottom: 110px;
}
.intro > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.intro h2 {
  font-size: 1.7rem;
}
.intro p:not(.eyebrow) {
  font-size: 0.95rem;
  line-height: 2.25;
}
.chapter-area {
  background: #eaf0e9;
  padding: 90px 0 100px;
  scroll-margin-top: 20px;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 42px;
  gap: 30px;
}
.section-heading h2 {
  font-size: 2rem;
  margin: 0;
}
.section-heading > p {
  font-size: 0.875rem;
  margin: 0;
}
.chapter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.chapter-card {
  padding: 30px 26px;
  background: var(--paper);
  border: 1px solid transparent;
  display: flex;
  gap: 16px;
  transition:
    transform 0.2s,
    border-color 0.2s;
}
.chapter-card:hover {
  transform: translateY(-3px);
  border-color: var(--green);
  color: var(--ink);
}
.chapter-no {
  font-family: Georgia, serif;
  font-size: 1.9rem;
  line-height: 1.25;
  color: #667b66;
}
.card-text {
  min-width: 0;
}
.card-text > .eyebrow {
  font-family: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  margin: 3px 0 12px;
  display: block;
}
.chapter-card h3 {
  font-size: 1.12rem;
  line-height: 1.65;
  margin: 0 0 17px;
}
.chapter-card p {
  font-size: 0.875rem;
  line-height: 1.95;
  color: #5b695f;
  margin-bottom: 24px;
}
.read-label {
  font-size: 0.8rem;
  display: inline-block;
  border-bottom: 1px solid #94a493;
  padding-bottom: 5px;
}
.featured {
  background: var(--green);
  color: var(--paper);
}
.featured .chapter-no,
.featured p,
.featured .eyebrow {
  color: #d5e2d1;
}
.featured:hover {
  background: #315d4b;
  color: var(--paper);
}
.breed-feature {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 75px;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 100px;
}
.breed-feature img {
  mix-blend-mode: multiply;
}
.breed-feature h2 {
  font-size: 2.25rem;
}
.breed-feature p:not(.eyebrow) {
  line-height: 2.2;
}
.text-link {
  display: block;
  margin-top: 20px;
  font-size: 0.875rem;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.about {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 80px;
  padding-top: 80px;
  padding-bottom: 80px;
  border-top: 1px solid var(--line);
}
.about h2 {
  font-size: 1.9rem;
}
.about p,
.about li {
  font-size: 0.9rem;
  line-height: 2.05;
}
.about li {
  margin-bottom: 12px;
}
.about h3 {
  font-size: 1rem;
  margin-top: 35px;
}
.sources {
  padding-top: 60px;
  padding-bottom: 80px;
  border-top: 1px solid var(--line);
}
.sources ul {
  padding-left: 20px;
  columns: 2;
  column-gap: 60px;
}
.sources li {
  font-size: 0.875rem;
  margin-bottom: 18px;
  break-inside: avoid;
}
.sources a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.sources h2 {
  font-size: 1.6rem;
}
footer {
  background: var(--green);
  color: var(--paper);
  padding: 70px max(5%, calc((100vw - 1200px) / 2));
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px 70px;
}
footer .eyebrow {
  color: #c3d1bd;
}
.footer-title {
  font-size: 2rem;
  line-height: 1.7;
}
footer p {
  font-size: 0.875rem;
}
footer nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
  font-size: 0.85rem;
}
footer a:hover {
  color: var(--gold);
}
.footer-note {
  grid-column: 1/-1;
  border-top: 1px solid #6b8574;
  padding-top: 25px;
  margin: 20px 0 0;
  font-size: 0.75rem;
  color: #d6dfcf;
}
.breadcrumb {
  font-size: 0.8rem;
  margin: 25px 0 35px;
  color: var(--muted);
  display: flex;
  gap: 13px;
}
.part-hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 55px;
}
.part-hero h1 {
  font-size: 2.65rem;
  margin-bottom: 22px;
}
.part-hero img {
  mix-blend-mode: multiply;
  border-radius: 50% 50% 0 0;
}
.part-summary {
  font-size: 1rem;
  line-height: 2.05;
}
.byline {
  font-size: 0.8rem;
  margin-bottom: 0;
}
.byline span {
  display: inline-block;
  color: var(--muted);
  margin-left: 18px;
}
.reading-layout {
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr);
  gap: 85px;
  align-items: start;
  padding: 60px 0 90px;
}
.toc {
  position: sticky;
  top: 25px;
  max-height: calc(100vh - 50px);
  overflow-y: auto;
  padding: 0 14px 15px 0;
  scrollbar-width: thin;
}
.toc h2 {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 22px;
}
.toc .eyebrow {
  margin-bottom: 8px;
}
.toc-list {
  display: flex;
  flex-direction: column;
}
.toc-list a {
  display: block;
  border-bottom: 1px solid var(--line);
  padding: 12px 1px;
  font-size: 0.875rem;
  line-height: 1.8;
}
.toc-list a:hover {
  background: #eaf0e9;
}
.search-label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 8px;
}
#breed-search {
  width: 100%;
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid #8f9d8f;
  border-radius: 3px;
  font-size: 1rem;
}
.search-count {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 7px 0;
}
.all-chapters {
  font-size: 0.8rem;
  display: block;
  margin-top: 27px;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.key-note {
  border-left: 4px solid var(--gold);
  padding: 25px 30px;
  background: #eeefe5;
  margin-bottom: 55px;
}
.key-note span {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.key-note p {
  margin: 0;
  font-size: 1rem;
  line-height: 2;
}
.article {
  min-width: 0;
}
.article > p {
  line-height: 2.15;
}
.article-section {
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 30px;
}
.article-section h2 {
  font-size: 1.85rem;
  margin: 0 0 26px;
}
.article-section p {
  font-size: 1rem;
  line-height: 2.2;
}
.section-label {
  font-family: Georgia, serif;
  font-size: 1.1rem;
  color: #8a723f;
  margin-bottom: 10px;
}
.topic {
  margin-bottom: 30px;
}
.topic h3 {
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-weight: 700;
}
.topic h3:before {
  content: "";
  height: 7px;
  width: 7px;
  background: #8b9c70;
  flex-shrink: 0;
}
.topic p {
  margin-bottom: 0;
}
.traits {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 0 0 32px;
  border: 1px solid var(--line);
  background: #f0f2e9;
}
.traits div {
  text-align: center;
  border-right: 1px solid var(--line);
  padding: 15px 5px;
}
.traits div:last-child {
  border-right: none;
}
.traits dt {
  font-size: 0.75rem;
  color: #596b59;
  margin-bottom: 4px;
}
.traits dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}
.check-list {
  list-style: none;
  padding: 0;
}
.check-list li {
  position: relative;
  padding: 17px 0 17px 33px;
  border-bottom: 1px dashed var(--line);
  font-size: 1rem;
  line-height: 2;
}
.check-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 17px;
  color: var(--green);
}
.article-note {
  background: #eeefe5;
  padding: 25px 28px;
  font-size: 0.875rem;
  line-height: 2;
  margin-top: 40px;
}
.article-note p {
  margin: 0 0 10px;
}
.article-note a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-turn {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin-top: 45px;
}
.page-turn a {
  padding: 20px 0;
  border-top: 1px solid var(--ink);
  font-size: 0.95rem;
}
.page-turn span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 8px;
}
.back-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 13px;
  background: var(--green);
  color: var(--paper);
  font-size: 0.75rem;
  border: 1px solid var(--paper);
}
.skip {
  position: absolute;
  left: 10px;
  top: -100px;
  background: var(--paper);
  padding: 10px;
  z-index: 20;
}
.skip:focus {
  top: 10px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1500px) {
  .home-hero {
    padding-left: 100px;
    padding-right: 100px;
  }
}
@media (max-width: 1050px) {
  .header nav {
    gap: 20px;
  }
  .wrap {
    width: calc(100% - 64px);
  }
  .home-hero {
    padding-top: 50px;
  }
  .home-hero h1 {
    font-size: 2.8rem;
  }
  .intro {
    grid-template-columns: 1fr;
    padding-top: 75px;
    padding-bottom: 75px;
  }
  .intro > div {
    gap: 40px;
  }
  .chapter-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .chapter-card:last-child {
    grid-column: 1/-1;
  }
  .breed-feature {
    gap: 35px;
  }
  .breed-feature h2 {
    font-size: 1.8rem;
  }
  .about {
    gap: 40px;
  }
  .reading-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 35px;
  }
  .part-hero {
    gap: 30px;
  }
  .part-hero h1 {
    font-size: 2rem;
  }
  .traits {
    grid-template-columns: repeat(3, 1fr);
  }
  .traits div:nth-child(3) {
    border-right: 0;
  }
  .traits div:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }
}
@media (max-width: 720px) {
  html {
    scroll-padding-top: 25px;
  }
  .header {
    height: auto;
    padding: 18px 22px;
    display: block;
  }
  .brand {
    gap: 12px;
  }
  .brand-mark {
    width: 43px;
    height: 48px;
    font-size: 0.72rem;
    padding-top: 6px;
  }
  .brand b {
    font-size: 0.9rem;
  }
  .header nav {
    margin-top: 18px;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.75rem;
  }
  .nav-check {
    padding: 6px 9px;
  }
  .wrap {
    width: calc(100% - 44px);
  }
  .home-hero {
    display: flex;
    flex-direction: column;
    padding: 37px 22px 0;
  }
  .hero-copy {
    width: 100%;
    padding-bottom: 0;
  }
  .home-hero .eyebrow {
    font-size: 0.67rem;
    margin-bottom: 22px;
  }
  .home-hero h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
    line-height: 1.6;
    white-space: normal;
  }
  .hero-lead {
    font-size: 1rem;
  }
  .supervisor {
    margin-bottom: 22px;
  }
  .hero-copy > p:not(.eyebrow):not(.supervisor):not(.hero-lead) {
    font-size: 0.9rem;
  }
  .hero-art {
    margin: 10px -10px 0;
  }
  .hero-art img {
    border-radius: 0;
  }
  .art-caption {
    margin: 5px 0 22px;
    font-size: 0.72rem;
  }
  .hero-bottom {
    width: 100%;
    gap: 20px;
    font-size: 0.65rem;
  }
  .intro {
    padding-top: 65px;
    padding-bottom: 55px;
  }
  .intro > div {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .intro h2 {
    font-size: 1.6rem;
  }
  .intro p:not(.eyebrow) {
    font-size: 0.95rem;
  }
  .chapter-area {
    padding: 55px 0;
  }
  .section-heading {
    display: block;
    margin-bottom: 28px;
  }
  .section-heading h2 {
    font-size: 1.5rem;
  }
  .section-heading > p {
    margin-top: 20px;
  }
  .chapter-grid {
    grid-template-columns: 1fr;
    gap: 13px;
  }
  .chapter-card {
    padding: 26px 23px;
  }
  .chapter-card:last-child {
    grid-column: auto;
  }
  .chapter-card h3 {
    font-size: 1.12rem;
  }
  .chapter-card p {
    font-size: 0.9rem;
  }
  .breed-feature {
    grid-template-columns: 1fr;
    padding-top: 50px;
    padding-bottom: 60px;
    gap: 25px;
  }
  .breed-feature h2 {
    font-size: 1.85rem;
  }
  .about {
    grid-template-columns: 1fr;
    padding-top: 55px;
    padding-bottom: 50px;
    gap: 10px;
  }
  .sources {
    padding: 45px 0;
  }
  .sources ul {
    columns: 1;
  }
  footer {
    grid-template-columns: 1fr;
    padding: 50px 24px;
    gap: 20px;
  }
  .footer-title {
    font-size: 1.7rem;
  }
  footer nav {
    font-size: 0.82rem;
    gap: 13px;
  }
  .footer-note {
    font-size: 0.72rem;
  }
  .breadcrumb {
    margin: 20px 0 25px;
    font-size: 0.75rem;
  }
  .part-hero {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-bottom: 25px;
  }
  .part-hero h1 {
    font-size: 2rem;
  }
  .part-hero img {
    width: 100%;
    max-height: 220px;
    object-fit: contain;
    border-radius: 0;
  }
  .part-summary {
    font-size: 0.95rem;
  }
  .byline span {
    margin-left: 10px;
    font-size: 0.75rem;
  }
  .reading-layout {
    display: block;
    padding-top: 30px;
    padding-bottom: 50px;
  }
  .toc {
    position: static;
    max-height: none;
    padding: 22px;
    background: #eaf0e9;
    margin-bottom: 35px;
  }
  .toc-list {
    max-height: 260px;
    overflow: auto;
    scrollbar-width: thin;
  }
  .toc h2 {
    margin-bottom: 15px;
  }
  .toc-list a {
    font-size: 0.875rem;
  }
  .key-note {
    padding: 20px 22px;
    margin-bottom: 35px;
  }
  .article-section h2 {
    font-size: 1.5rem;
  }
  .article-section p {
    font-size: 1rem;
    line-height: 2.15;
  }
  .article-section {
    padding-bottom: 25px;
    margin-bottom: 30px;
  }
  .traits dd {
    font-size: 0.95rem;
  }
  .traits dt {
    font-size: 0.8rem;
  }
  .page-turn {
    gap: 18px;
  }
  .page-turn a {
    font-size: 0.85rem;
  }
  .back-top {
    right: 10px;
    bottom: 10px;
    padding: 9px;
  }
  .desktop {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}
@media print {
  .header,
  .toc,
  .back-top,
  footer,
  .page-turn,
  .hero-art {
    display: none;
  }
  .wrap {
    width: 100%;
  }
  .reading-layout {
    display: block;
  }
  .part-hero {
    display: block;
  }
  .part-hero img {
    display: none;
  }
  .article-section {
    break-inside: auto;
  }
  body {
    background: white;
    color: black;
    font-size: 11pt;
  }
  a {
    text-decoration: none;
  }
  .key-note {
    background: none;
  }
}
.chapter-no {
  flex-shrink: 0;
  min-width: 2ch;
  white-space: nowrap;
}
:root {
  --paper: #fff;
  --white: #fff;
  --ink: #202020;
  --green: #202020;
  --muted: #737373;
  --line: #dedede;
  --gold: #aaa;
}
body {
  font-family:
    Arial, "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 2;
  color: #202020;
}
h1,
h2,
.footer-title {
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.01em;
}
a:hover {
  color: #777;
}
a:focus-visible,
input:focus-visible {
  outline-color: #555;
}
.wrap {
  width: min(1200px, calc(100% - 120px));
}
.header {
  height: 82px;
  padding: 16px 32px;
  border: 0;
  position: relative;
  z-index: 5;
  background: white;
}
.brand {
  gap: 24px;
  font-size: 0.75rem;
}
.brand b {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.brand-mark {
  width: auto;
  height: auto;
  background: none;
  color: #161616;
  border-radius: 0;
  text-align: left;
  padding: 0;
  font-family: Arial, sans-serif;
  font-size: 1.1rem;
  line-height: 1.05;
  letter-spacing: 0.14em;
}
.header nav {
  gap: 42px;
  font-size: 0.875rem;
  font-weight: 500;
}
.nav-check {
  border: 0;
  padding: 0;
}
.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 72fr) minmax(0, 28fr);
  max-width: 1800px;
  padding: 0;
  margin: auto;
  align-items: stretch;
}
.hero-art {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
  display: block;
  position: relative;
  background: #f3f1eb;
  overflow: hidden;
}
.hero-art img {
  width: 100%;
  height: 100%;
  min-height: 740px;
  object-fit: cover;
  object-position: center;
  border-radius: 0;
  mix-blend-mode: normal;
}
.art-caption {
  position: absolute;
  bottom: 24px;
  left: 32px;
  margin: 0;
  background: #ffffffed;
  padding: 6px 14px;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}
.hero-copy {
  grid-column: 2;
  grid-row: 1;
  padding: 48px 30px 48px 40px;
  align-self: start;
  background: #fff;
}
.hero-kicker {
  font-size: 1.65rem;
  line-height: 1.4;
  margin: 0 0 26px;
}
.hero-wordmark {
  font-family: Arial, sans-serif;
  font-size: clamp(2.1rem, 3.8vw, 4.1rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.11em;
  margin: 0 0 48px;
}
.hero-copy .supervisor {
  border: 0;
  padding: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  color: #777;
}
.home-hero h1 {
  font-size: clamp(1.25rem, 1.7vw, 1.9rem);
  line-height: 1.8;
  letter-spacing: 0.02em;
  white-space: normal;
  margin-bottom: 26px;
}
.hero-lead {
  font-size: 0.875rem;
  letter-spacing: 0;
  font-weight: 500;
}
.hero-copy
  > p:not(.eyebrow):not(.supervisor):not(.hero-lead):not(.hero-kicker):not(
    .hero-wordmark
  ) {
  font-size: 0.875rem;
  line-height: 2.15;
}
.hero-copy .desktop {
  display: none;
}
.button {
  background: none;
  color: #202020;
  border: 0;
  border-bottom: 1px solid #252525;
  border-radius: 0;
  padding: 10px 0;
  min-height: 44px;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
}
.button:hover {
  color: #777;
  background: none;
  border-color: #888;
}
.hero-bottom {
  grid-column: 1/-1;
  padding: 24px 32px;
  border: 0;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}
.eyebrow {
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  font-weight: 400;
  color: #737373;
}
.intro {
  width: 100%;
  padding: 130px max(60px, calc((100vw - 1200px) / 2));
  background: #222;
  color: #fff;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
}
.intro > .eyebrow {
  font-size: clamp(2.5rem, 4.3vw, 4.5rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: #fff;
  max-width: 250px;
}
.intro > div {
  display: block;
  max-width: 660px;
  margin-left: auto;
}
.intro h2 {
  font-size: 2rem;
  line-height: 1.8;
  margin-bottom: 38px;
}
.intro p:not(.eyebrow) {
  font-size: 1rem;
  line-height: 2.3;
  color: #ddd;
}
.chapter-area {
  background: #fff;
  padding: 135px 0;
}
.section-heading {
  align-items: center;
  margin-bottom: 65px;
}
.section-heading .eyebrow {
  font-size: clamp(3.5rem, 7vw, 6rem);
  line-height: 1;
  letter-spacing: -0.055em;
  color: #202020;
  margin-bottom: 25px;
}
.section-heading h2 {
  font-size: 1.25rem;
}
.section-heading > p {
  font-size: 0.875rem;
  color: #777;
}
.chapter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 65px;
  row-gap: 0;
}
.chapter-card,
.featured {
  background: none;
  color: #202020;
  border: 0;
  border-top: 1px solid #d7d7d7;
  padding: 34px 0;
  gap: 26px;
  transform: none;
}
.chapter-card:hover,
.featured:hover {
  background: none;
  color: #777;
  border-color: #202020;
  transform: none;
}
.chapter-no,
.featured .chapter-no {
  font-family: Arial, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  color: #999;
  line-height: 1.6;
  min-width: 30px;
}
.card-text > .eyebrow,
.featured .eyebrow {
  color: #888;
  font-size: 0.8rem;
  margin: 0 0 10px;
}
.chapter-card h3 {
  font-weight: 500;
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.chapter-card p,
.featured p {
  font-size: 0.875rem;
  color: #666;
  line-height: 2;
  margin-bottom: 16px;
}
.read-label {
  font-size: 0.8rem;
  border: 0;
  text-decoration: underline;
  text-underline-offset: 6px;
}
.chapter-card:last-child {
  grid-column: auto;
}
.breed-feature {
  width: 100%;
  background: #f5f5f5;
  grid-template-columns: 1.25fr 1fr;
  gap: 8%;
  padding: 100px 7% 100px 0;
}
.breed-feature img {
  width: 100%;
  mix-blend-mode: multiply;
}
.breed-feature .eyebrow {
  font-size: 3.8rem;
  letter-spacing: -0.045em;
  line-height: 1.1;
  color: #222;
}
.breed-feature h2 {
  font-size: 1.8rem;
  line-height: 1.8;
}
.breed-feature p:not(.eyebrow) {
  font-size: 1rem;
}
.about {
  padding: 130px 0;
  gap: 100px;
  border: 0;
}
.about .eyebrow,
.sources > .eyebrow {
  font-size: 3.4rem;
  color: #222;
  line-height: 1.1;
  letter-spacing: -0.04em;
}
.about h2 {
  font-size: 1.5rem;
}
.about .supervisor {
  border: 0;
  padding: 0;
}
.about p,
.about li {
  font-size: 1rem;
}
.sources {
  padding: 70px 0 110px;
}
.sources h2 {
  font-size: 1.1rem;
}
.sources li {
  font-size: 0.875rem;
}
footer {
  background: #222;
  padding-top: 95px;
  padding-bottom: 45px;
  gap: 40px 90px;
}
footer .eyebrow {
  color: #aaa;
}
.footer-title {
  font-size: 2.4rem;
}
.footer-note {
  border-color: #4b4b4b;
  color: #aaa;
}
footer a:hover {
  color: #aaa;
}
.breadcrumb {
  margin: 35px 0;
  color: #888;
}
.part-hero {
  grid-template-columns: 1.3fr 1fr;
  gap: 70px;
  padding: 30px 0 65px;
}
.part-hero .eyebrow {
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}
.part-hero h1 {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 1.6;
  font-weight: 500;
}
.part-hero img {
  border-radius: 0;
  mix-blend-mode: normal;
}
.part-summary {
  color: #555;
}
.reading-layout {
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 90px;
  padding-top: 70px;
}
.toc-list a:hover {
  background: #f5f5f5;
}
.key-note,
.article-note {
  background: #f5f5f5;
  border: 0;
  padding: 28px 32px;
}
.article-section {
  padding-bottom: 55px;
  margin-bottom: 55px;
}
.section-label {
  font-family: Arial, sans-serif;
  color: #888;
  font-size: 0.875rem;
}
.article-section h2 {
  font-weight: 500;
}
.topic h3:before {
  background: #555;
  width: 4px;
  height: 4px;
}
.traits {
  background: #fafafa;
}
.traits dt {
  color: #666;
}
.traits dd {
  color: #222;
}
.back-top {
  background: #fff;
  color: #222;
  border: 1px solid #ddd;
}
.page-turn a {
  border-color: #ccc;
}
@media (min-width: 1500px) {
  .home-hero {
    padding: 0;
  }
}
@media (max-width: 1050px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .header nav {
    gap: 24px;
  }
  .brand {
    gap: 15px;
  }
  .home-hero {
    grid-template-columns: 65fr 35fr;
  }
  .hero-copy {
    padding: 35px 25px;
  }
  .hero-wordmark {
    font-size: 2.6rem;
  }
  .hero-art img {
    min-height: 700px;
  }
  .home-hero h1 {
    font-size: 1.4rem;
  }
  .intro {
    width: 100%;
    padding: 95px 32px;
    grid-template-columns: 1fr 2fr;
    gap: 35px;
  }
  .intro h2 {
    font-size: 1.65rem;
  }
  .chapter-grid {
    gap: 0 35px;
  }
  .chapter-area {
    padding: 85px 0;
  }
  .breed-feature {
    width: 100%;
    gap: 40px;
  }
  .breed-feature .eyebrow {
    font-size: 3rem;
  }
  .about {
    gap: 50px;
  }
  .reading-layout {
    gap: 40px;
    grid-template-columns: 200px minmax(0, 1fr);
  }
}
@media (max-width: 720px) {
  .wrap {
    width: calc(100% - 44px);
  }
  .header {
    padding: 18px 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    height: auto;
  }
  .brand {
    gap: 16px;
  }
  .brand-mark {
    font-size: 1rem;
    width: auto;
    height: auto;
    padding: 0;
  }
  .brand b {
    font-size: 0.8rem;
  }
  .header nav {
    width: 100%;
    gap: 12px;
    margin: 0;
    padding-top: 13px;
    border-top: 1px solid #eee;
    font-size: 0.8rem;
  }
  .nav-check {
    padding: 0;
  }
  .home-hero {
    display: grid;
    grid-template-columns: 1fr;
    padding: 0;
  }
  .hero-art {
    grid-column: 1;
    grid-row: 1;
    min-height: 0;
    height: auto;
    margin: 0;
  }
  .hero-art img {
    min-height: 0;
    height: auto;
    aspect-ratio: 1.12;
    object-fit: cover;
  }
  .art-caption {
    bottom: 14px;
    left: 16px;
    font-size: 0.75rem;
    padding: 3px 8px;
  }
  .hero-copy {
    grid-column: 1;
    grid-row: 2;
    padding: 34px 24px 40px;
    display: block;
    width: 100%;
  }
  .hero-kicker {
    font-size: 1.25rem;
    margin-bottom: 12px;
  }
  .hero-wordmark {
    font-size: 2.9rem;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: 0.06em;
  }
  .hero-wordmark br {
    display: none;
  }
  .hero-copy .supervisor {
    margin-bottom: 12px;
  }
  .home-hero h1 {
    font-size: 1.75rem;
    line-height: 1.75;
    margin-bottom: 20px;
  }
  .hero-lead {
    font-size: 1rem;
  }
  .hero-copy
    > p:not(.eyebrow):not(.supervisor):not(.hero-lead):not(.hero-kicker):not(
      .hero-wordmark
    ) {
    font-size: 1rem;
  }
  .hero-bottom {
    grid-row: 3;
    padding: 20px 22px;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.75rem;
    border-top: 1px solid #ddd;
  }
  .intro {
    width: 100%;
    padding: 72px 24px;
    display: block;
  }
  .intro > .eyebrow {
    font-size: 2.7rem;
    max-width: none;
    margin-bottom: 32px;
  }
  .intro h2 {
    font-size: 1.6rem;
  }
  .intro > div {
    margin: 0;
  }
  .intro p:not(.eyebrow) {
    font-size: 1rem;
  }
  .chapter-area {
    padding: 75px 0;
  }
  .section-heading .eyebrow {
    font-size: 3.8rem;
    margin-bottom: 24px;
  }
  .section-heading h2 {
    font-size: 1.25rem;
  }
  .section-heading {
    margin-bottom: 35px;
  }
  .chapter-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .chapter-card {
    padding: 27px 0;
    gap: 18px;
  }
  .chapter-card h3 {
    font-size: 1.2rem;
  }
  .chapter-card p {
    font-size: 0.95rem;
  }
  .breed-feature {
    width: 100%;
    padding: 45px 22px 65px;
    display: block;
  }
  .breed-feature > div:first-child {
    margin: 0 -22px 35px;
  }
  .breed-feature .eyebrow {
    font-size: 3rem;
  }
  .breed-feature h2 {
    font-size: 1.7rem;
  }
  .about {
    display: block;
    padding: 75px 0;
  }
  .about > div:first-child {
    margin-bottom: 35px;
  }
  .about .eyebrow,
  .sources > .eyebrow {
    font-size: 3rem;
  }
  .sources {
    padding: 50px 0 70px;
  }
  footer {
    padding: 65px 24px 35px;
  }
  .footer-title {
    font-size: 1.9rem;
  }
  .part-hero {
    grid-template-columns: 1fr;
    padding: 10px 0 35px;
    gap: 25px;
  }
  .part-hero h1 {
    font-size: 2rem;
  }
  .part-hero img {
    max-height: 260px;
    width: 100%;
    object-fit: cover;
  }
  .part-summary {
    font-size: 1rem;
  }
  .reading-layout {
    display: block;
    padding: 35px 0 55px;
  }
  .toc {
    background: #f6f6f6;
    position: static;
    max-height: none;
    padding: 22px;
  }
  .toc-list {
    max-height: 250px;
  }
  .key-note,
  .article-note {
    padding: 24px;
  }
  .article-section {
    padding-bottom: 35px;
    margin-bottom: 35px;
  }
  .article-section h2 {
    font-size: 1.55rem;
  }
  .article-section p {
    font-size: 1rem;
  }
  .byline span {
    display: block;
    margin: 5px 0 0;
  }
}
@media print {
  .hero-wordmark {
    display: none;
  }
  .intro {
    background: #fff;
    color: #000;
  }
  .intro p:not(.eyebrow) {
    color: #000;
  }
}

.home-hero .hero-copy > p.hero-wordmark.hero-wordmark {
  font-size: clamp(2.1rem, 3.8vw, 4.1rem);
  line-height: 1.15;
}
.home-hero .hero-copy > p.hero-kicker.hero-kicker {
  font-size: 1.65rem;
  line-height: 1.4;
}
@media (max-width: 720px) {
  .home-hero .hero-copy > p.hero-wordmark.hero-wordmark {
    font-size: 2.9rem;
    line-height: 1.1;
  }
  .home-hero .hero-copy > p.hero-kicker.hero-kicker {
    font-size: 1.25rem;
  }
}

/* Motion: editorial reveal, rolling labels and restrained image parallax. */
.roll-window {
  display: inline-block;
  vertical-align: bottom;
  position: relative;
  overflow: hidden;
  line-height: 1.65;
}
.roll-text,
.roll-copy {
  display: block;
  transition: transform 0.55s cubic-bezier(0.22, 0.7, 0.2, 1);
}
.roll-copy {
  position: absolute;
  inset: 0;
  transform: translateY(110%);
}
@media (hover: hover) {
  a:hover .roll-text {
    transform: translateY(-110%);
  }
  a:hover .roll-copy {
    transform: translateY(0);
  }
  .chapter-card:hover .roll-text {
    transform: translateY(-110%);
  }
  .chapter-card:hover .roll-copy {
    transform: translateY(0);
  }
  .breed-feature a:hover {
    color: #777;
  }
}
a:focus-visible .roll-text {
  transform: translateY(-110%);
}
a:focus-visible .roll-copy {
  transform: translateY(0);
}
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition:
    opacity 0.85s ease var(--reveal-delay, 0ms),
    transform 1.05s cubic-bezier(0.2, 0.65, 0.2, 1) var(--reveal-delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.chapter-card.reveal:hover {
  transform: translateY(0);
}
.hero-art {
  overflow: hidden;
}
.hero-art img {
  transform: translateY(var(--hero-shift, 0px)) scale(1.055);
  will-change: transform;
}
.motion-ready .hero-art {
  animation: hero-reveal 1.25s cubic-bezier(0.2, 0.65, 0.2, 1) both;
}
.motion-ready .hero-copy > * {
  animation: copy-enter 0.9s cubic-bezier(0.2, 0.65, 0.2, 1) both;
}
.motion-ready .hero-copy > :nth-child(2) {
  animation-delay: 0.12s;
}
.motion-ready .hero-copy > :nth-child(3) {
  animation-delay: 0.22s;
}
.motion-ready .hero-copy > :nth-child(4) {
  animation-delay: 0.32s;
}
.motion-ready .hero-copy > :nth-child(n + 5) {
  animation-delay: 0.42s;
}
.motion-ready .part-hero > div {
  animation: copy-enter 0.9s ease both;
}
.motion-ready .part-hero img {
  animation: hero-reveal 1.1s ease both;
}
.header {
  position: sticky;
  top: 0;
  transition:
    box-shadow 0.4s,
    background 0.4s;
  background: rgba(255, 255, 255, 0.96);
}
.header.is-scrolled {
  box-shadow: 0 1px 0 #00000012;
  backdrop-filter: blur(12px);
}
.back-top {
  transition:
    background 0.3s,
    color 0.3s;
}
.back-top:hover {
  background: #222;
  color: #fff;
}
.toc {
  top: 105px;
  max-height: calc(100vh - 125px);
}
.article-section {
  scroll-margin-top: 115px;
}
@keyframes hero-reveal {
  from {
    clip-path: inset(0 0 100% 0);
    opacity: 0.6;
  }
  to {
    clip-path: inset(0);
    opacity: 1;
  }
}
@keyframes copy-enter {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 720px) {
  html {
    scroll-padding-top: calc(var(--header-height, 140px) + 16px);
  }
  .header {
    position: sticky;
    top: 0;
  }
  .toc {
    position: static;
    max-height: none;
  }
  .hero-art img {
    transform: none;
    will-change: auto;
  }
  .article-section,
  .chapter-area {
    scroll-margin-top: 0;
  }
  .reveal {
    transform: translateY(16px);
  }
  .reveal.is-visible {
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .motion-ready * {
    animation: none !important;
    transition: none !important;
  }
  .hero-art img {
    transform: none !important;
  }
  .roll-copy {
    display: none;
  }
  .roll-text {
    transform: none !important;
  }
}
@media print {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .roll-copy {
    display: none;
  }
  .hero-art img {
    transform: none;
  }
}

.swipe-hint,
.scroll-cue {
  display: none;
}
@media (max-width: 720px) {
  .swipe-hint {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.8;
    margin: 16px 0 12px;
    padding: 0;
    background: none;
    border: 0;
    color: #555;
    cursor: default;
  }
  .swipe-hint:before {
    content: "↕";
    flex: 0 0 24px;
    text-align: center;
    font-size: 1.65rem;
    color: #333;
    animation: swipe-guide 1.8s ease-in-out 3;
  }
  .breed-scroll-frame {
    position: relative;
    border-top: 1px solid #d2d2d2;
  }
  .breed-scroll-frame .toc-list {
    padding-bottom: 0;
    scrollbar-width: auto;
    scrollbar-color: #888 #e7e7e7;
    overscroll-behavior-y: contain;
    border-bottom: 1px solid #d2d2d2;
  }
  .breed-scroll-frame .toc-list::-webkit-scrollbar {
    width: 6px;
  }
  .breed-scroll-frame .toc-list::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
  }
  .scroll-cue {
    display: block;
    position: static;
    margin: 8px 0 0;
    padding: 0;
    text-align: right;
    font-size: 0.8125rem;
    font-weight: 400;
    color: #777;
    cursor: default;
    background: none;
  }
  .breed-scroll-frame.no-scroll .scroll-cue {
    display: none;
  }
}
@keyframes swipe-guide {
  0%,
  100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-5px);
  }
  70% {
    transform: translateY(5px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .swipe-hint:before {
    animation: none;
  }
}

/* Breed-specific portraits belong only to the detailed article headings. */
.breed-detail-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  align-items: center;
  gap: 24px;
  margin-bottom: 28px;
  min-height: 150px;
}
.breed-detail-heading h2 {
  margin-bottom: 0;
}
.breed-portrait {
  width: 180px;
  height: 160px;
  object-fit: contain;
  background: #fff;
  justify-self: end;
}
.breed-detail-heading .section-label {
  margin-bottom: 8px;
}
@media (max-width: 720px) {
  .breed-detail-heading {
    grid-template-columns: minmax(0, 1fr) 96px;
    gap: 14px;
    margin-bottom: 22px;
    min-height: 105px;
  }
  .breed-detail-heading h2 {
    font-size: 1.35rem;
    line-height: 1.7;
    overflow-wrap: anywhere;
  }
  .breed-portrait {
    width: 96px;
    height: 112px;
  }
  .breed-detail-heading .section-label {
    font-size: 0.8rem;
  }
}
@media (max-width: 360px) {
  .breed-detail-heading {
    grid-template-columns: minmax(0, 1fr) 80px;
    gap: 10px;
  }
  .breed-portrait {
    width: 80px;
    height: 100px;
  }
}

/* Supplied Sanpuku logo, with all existing header content to its right. */
.header {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 30px;
  height: auto;
  min-height: 82px;
  align-items: center;
}
.header-logo {
  display: block;
  line-height: 0;
}
.header-logo img {
  display: block;
  width: 100%;
  height: auto;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-width: 0;
}
.header-content .brand {
  min-width: 0;
}
.header-content nav {
  flex-shrink: 0;
}
@media (max-width: 1100px) {
  .header {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
  }
  .header-content {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .header-content nav {
    width: 100%;
    justify-content: space-between;
    margin: 0;
    gap: 16px;
  }
}
@media (max-width: 720px) {
  .header {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 16px;
    padding: 14px 18px;
  }
  .header-content {
    gap: 10px;
  }
  .header-content .brand {
    gap: 12px;
    flex-shrink: 1;
    font-size: 0.65rem;
  }
  .header-content .brand-mark {
    font-size: 0.8rem;
    flex-shrink: 0;
    letter-spacing: 0.08em;
  }
  .header-content .brand b {
    font-size: 0.7rem;
    letter-spacing: 0;
  }
  .header-content nav {
    gap: 9px;
    padding-top: 10px;
    font-size: 0.65rem;
    align-items: flex-start;
  }
  .header-content nav a {
    min-width: 0;
    line-height: 1.6;
  }
}
@media (max-width: 360px) {
  .header {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 14px;
  }
  .header-content .brand {
    gap: 9px;
  }
  .header-content .brand-mark {
    font-size: 0.7rem;
  }
  .header-content .brand b {
    font-size: 0.65rem;
  }
  .header-content nav {
    gap: 7px;
    font-size: 0.6rem;
  }
}