.about-page {
  --paper: #f6f4ee;
  --paper-strong: #ece9df;
  --ink: #171916;
  --ink-soft: #5f625b;
  --line: #cecfc7;
  --line-dark: rgba(235, 236, 227, 0.22);
  --accent: #3f5a45;
  --night: #171b18;
  --night-soft: #222923;
  --night-ink: #eef0e7;
  --header-h: var(--site-header-height, 76px);
  --side: clamp(22px, 4.4vw, 72px);
  --content: 1440px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

.about-page {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Arial, sans-serif;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
}

.about-page ::selection {
  background: var(--accent);
  color: #fff;
}

.about-page img {
  display: block;
  max-width: 100%;
}

.about-page a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.about-page button,
.about-page a {
  -webkit-tap-highlight-color: transparent;
}

.about-page button:focus-visible,
.about-page a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.about-page h1,
.about-page h2,
.about-page h3,
.about-page p,
.about-page ol,
.about-page ul,
.about-page blockquote,
.about-page figure {
  margin-top: 0;
}

.about-page h1,
.about-page h2,
.about-page h3 {
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.about-page p {
  line-height: 1.95;
}

.about-page section[id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.eyebrow {
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.2;
}

.about-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.48fr) minmax(260px, 0.52fr);
  gap: clamp(44px, 7vw, 120px);
  align-items: center;
  min-height: calc(100dvh - var(--header-h));
  padding: clamp(72px, 11vh, 136px) var(--side) clamp(84px, 10vh, 126px);
  isolation: isolate;
}

.about-hero__symbol-line {
  position: absolute;
  z-index: 0;
  bottom: clamp(128px, 13vh, 144px);
  left: calc(var(--side) + clamp(32px, 9vw, 150px));
  width: min(54vw, 760px);
  pointer-events: none;
}

.about-hero__symbol-line svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.about-hero__copy {
  position: relative;
  z-index: 1;
}

.about-hero h1 {
  max-width: 9em;
  margin-bottom: clamp(36px, 5vw, 72px);
  font-size: clamp(58px, 8.25vw, 132px);
  font-weight: 650;
  letter-spacing: -0.075em;
  line-height: 0.93;
}

.about-hero__lead {
  width: min(610px, calc(100% - 64px));
  max-width: none;
  margin: 0 auto;
  font-size: clamp(16px, 1.25vw, 20px);
  font-weight: 500;
  line-height: 2.05;
}

.about-hero__index {
  position: relative;
  z-index: 1;
  align-self: end;
  padding-bottom: clamp(16px, 4vh, 54px);
}

.about-hero__index-label {
  display: block;
  margin-bottom: 17px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.about-hero__index ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.about-hero__index li {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}

.about-hero__index li span {
  color: var(--ink-soft);
  font-size: 9px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
}

.about-hero__scroll {
  position: absolute;
  bottom: 28px;
  left: var(--side);
  display: flex;
  gap: 13px;
  align-items: center;
  margin: 0;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.about-hero__scroll span {
  display: block;
  width: 46px;
  height: 1px;
  overflow: hidden;
  background: var(--line);
}

.about-hero__scroll span::after {
  display: block;
  width: 70%;
  height: 100%;
  transform: translateX(-110%);
  background: var(--accent);
  content: "";
  animation: scroll-line 2.4s var(--ease) infinite;
}

@keyframes scroll-line {
  0% { transform: translateX(-110%); }
  62%, 100% { transform: translateX(160%); }
}

.origin,
.operator {
  display: grid;
  grid-template-columns: minmax(120px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(40px, 8vw, 150px);
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(140px, 18vw, 270px) var(--side);
  border-top: 1px solid var(--line);
}

.origin__body {
  grid-column: 2;
}

.origin h2,
.promise h2,
.system h2,
.stance h2,
.explore h2,
.operator h2 {
  margin-bottom: clamp(48px, 7vw, 96px);
  font-size: clamp(42px, 5.7vw, 84px);
  font-weight: 560;
}

.origin__columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 5vw, 80px);
  max-width: 890px;
  margin-left: auto;
}

.origin__columns p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.origin blockquote {
  max-width: 850px;
  margin: clamp(86px, 11vw, 160px) 0 0 auto;
  padding: 0 0 0 clamp(20px, 3vw, 46px);
  border-left: 3px solid var(--accent);
}

.origin blockquote p {
  margin: 0;
  font-size: clamp(25px, 3.1vw, 45px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.55;
}

.promise {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(52px, 10vw, 170px);
  max-width: none;
  margin: 0 auto;
  padding: clamp(140px, 18vw, 260px) max(var(--side), calc((100vw - var(--content)) / 2 + var(--side)));
  background: var(--paper-strong);
}

.promise__head {
  position: sticky;
  top: calc(var(--header-h) + 60px);
  align-self: start;
}

.promise__head h2 {
  margin-bottom: 0;
}

.promise__head h2 span {
  display: block;
  white-space: nowrap;
}

.promise__list {
  margin: 0 0 52px;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.promise__list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 27px 0 30px;
  border-bottom: 1px solid var(--line);
}

.promise__list span {
  padding-top: 7px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.promise__list p {
  margin: 0;
  font-size: clamp(17px, 1.5vw, 23px);
  font-weight: 560;
  letter-spacing: -0.025em;
  line-height: 1.75;
}

.text-link {
  display: inline-flex;
  gap: 30px;
  align-items: center;
  padding-bottom: 7px;
  border-bottom: 1px solid currentColor;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.text-link span {
  color: var(--accent);
  transition: transform 240ms var(--ease);
}

.text-link:hover span {
  transform: translate(3px, -3px);
}

.system {
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(150px, 19vw, 280px) var(--side);
}

.system__head {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(260px, 0.45fr);
  gap: 40px 9vw;
  align-items: end;
  margin-bottom: clamp(110px, 15vw, 220px);
}

.system__head .eyebrow,
.system__head h2 {
  grid-column: 1;
}

.system__head .eyebrow {
  grid-row: 1;
}

.system__head h2 {
  grid-column: 1 / -1;
  grid-row: 2;
  margin-bottom: 0;
}

.system__head > p:last-child {
  grid-column: 2;
  grid-row: 3;
  align-self: end;
  margin: 48px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.system-title {
  display: grid;
  grid-template-columns: repeat(4, max-content);
  gap: clamp(18px, 3vw, 54px);
  align-items: start;
  justify-content: space-between;
  width: min(100%, 1060px);
  min-height: 2.6em;
  font-size: clamp(30px, 4.15vw, 62px) !important;
  letter-spacing: -0.065em;
}

.system-title span {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.system-title span:nth-child(2) {
  transform: translate3d(0, 0.62em, 0);
}

.system-title span:nth-child(3) {
  transform: translate3d(0, 0.2em, 0);
}

.system-title span:nth-child(4) {
  transform: translate3d(0, 0.92em, 0);
}

.system-title small {
  margin-bottom: 13px;
  color: var(--ink-soft);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.15em;
  line-height: 1;
}

.system__path {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(4, auto);
  gap: clamp(42px, 7vw, 110px) 24px;
  min-height: 800px;
}

.field {
  position: relative;
  z-index: 2;
  max-width: 310px;
  padding: 20px 0 16px;
  border-top: 2px solid var(--ink);
  background: var(--paper);
}

.field--news { grid-column: 1 / 4; grid-row: 1; }
.field--lab { grid-column: 6 / 10; grid-row: 1; margin-top: 95px; }
.field--article { grid-column: 3 / 7; grid-row: 2; }
.field--product { grid-column: 8 / 12; grid-row: 3; }
.field--magazine { grid-column: 2 / 6; grid-row: 4; }

.field__index {
  margin-bottom: 42px;
  color: var(--accent);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.field h3 {
  margin-bottom: 20px;
  font-size: clamp(32px, 3.5vw, 51px);
  font-weight: 560;
}

.field > p:not(.field__index) {
  min-height: 5.6em;
  margin-bottom: 27px;
  color: var(--ink-soft);
  font-size: 13px;
}

.field a {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
}

.system__line {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.system__line path {
  fill: none;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.system__line-track {
  stroke: rgba(63, 90, 69, 0.17);
  stroke-width: 1.4;
}

.system__line-flow {
  stroke: rgba(63, 90, 69, 0.7);
  stroke-dasharray: 0.048 0.03;
  stroke-dashoffset: calc(var(--system-progress, 0) * -0.92);
  stroke-width: 2;
}

.system__line-orbit {
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px rgba(63, 90, 69, 0.26);
  opacity: calc(0.35 + var(--system-progress, 0) * 0.65);
  pointer-events: none;
  will-change: transform;
}

.stance {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.55fr);
  gap: 0 9vw;
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(130px, 17vw, 250px) var(--side) clamp(180px, 22vw, 330px);
  border-top: 1px solid var(--line);
}

.stance .eyebrow,
.stance h2 {
  grid-column: 1;
}

.stance h2 {
  grid-column: 1 / -1;
  margin-bottom: 70px;
  font-size: clamp(28px, 5.15vw, 76px);
}

.stance h2 span {
  white-space: nowrap;
}

.stance__copy {
  grid-column: 2;
  grid-row: 3;
  align-self: end;
}

.stance__copy p {
  color: var(--ink-soft);
  font-size: 14px;
}

.stance__declaration {
  grid-column: 1 / -1;
  margin: clamp(120px, 16vw, 240px) 0 0;
  color: var(--accent);
  font-family: "Yu Mincho", YuMincho, "Hiragino Mincho ProN", serif;
  font-size: clamp(31px, 5vw, 76px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.45;
  text-align: right;
}

/* Five-animal story */
.animal-story {
  position: relative;
  background: var(--night);
  color: var(--night-ink);
}

.animal-story__intro {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.52fr);
  gap: 0 9vw;
  align-items: end;
  max-width: var(--content);
  min-height: 92dvh;
  margin: 0 auto;
  padding: clamp(130px, 16vw, 240px) var(--side) clamp(110px, 13vw, 200px);
}

.animal-story__intro .eyebrow,
.animal-story__intro h2 {
  grid-column: 1;
}

.animal-story__intro h2 {
  margin-bottom: 0;
  font-size: clamp(21px, 5.3vw, 76px);
  font-weight: 520;
  line-height: 0.98;
  white-space: nowrap;
}

.animal-story__intro > p:not(.eyebrow):not(.animal-story__instruction) {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: end;
  margin: 0;
  color: rgba(238, 240, 231, 0.66);
  font-size: 14px;
}

.animal-story__instruction {
  position: absolute;
  right: var(--side);
  bottom: 48px;
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0;
  color: rgba(238, 240, 231, 0.48);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.animal-story__instruction span {
  width: 34px;
  height: 1px;
  background: currentColor;
}

.animal-story__sequence {
  position: relative;
}

.animal-story__sticky {
  position: sticky;
  z-index: 1;
  top: var(--header-h);
  width: 100%;
  height: calc(100dvh - var(--header-h));
  overflow: hidden;
  background: var(--night);
}

.animal-story__noise,
.animal-stage__figures,
.animal-figure {
  position: absolute;
  inset: 0;
}

.animal-story__noise {
  z-index: 1;
  opacity: 0.085;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.animal-stage__word {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 0;
  width: 66%;
  color: transparent;
  -webkit-text-stroke: 1px rgba(238, 240, 231, 0.12);
  font-size: clamp(82px, 13vw, 200px);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.75;
  text-align: center;
  transform: translate3d(51.5%, -50%, 0);
  white-space: nowrap;
  transition: color 1200ms var(--ease), transform 1600ms var(--ease);
  will-change: transform;
}

.animal-story:is([data-active-animal="owl"], [data-active-animal="platypus"]) .animal-stage__word {
  transform: translate3d(0, -50%, 0);
}

.animal-stage__figures {
  z-index: 2;
  pointer-events: none;
}

.animal-figure {
  opacity: 0;
  transform: translate3d(0, 4%, 0) scale(0.92);
  transition: opacity 1400ms var(--ease), transform 1700ms var(--ease);
  will-change: transform, opacity;
}

.animal-story[data-active-animal="octopus"] .animal-figure--octopus,
.animal-story[data-active-animal="owl"] .animal-figure--owl,
.animal-story[data-active-animal="sperm-whale"] .animal-figure--sperm-whale,
.animal-story[data-active-animal="platypus"] .animal-figure--platypus,
.animal-story[data-active-animal="bat"] .animal-figure--bat {
  opacity: 0.96;
  transform: translate3d(0, 0, 0) scale(1);
}

.animal-figure img {
  --animal-x: 0%;
  --animal-y: -50%;
  position: absolute;
  top: 50%;
  left: clamp(-120px, -7vw, -40px);
  width: min(58vw, 880px);
  height: min(94vh, 880px);
  max-width: none;
  object-fit: contain;
  transform: translate3d(var(--animal-x), var(--animal-y), 0);
  filter: grayscale(1) sepia(0.28) hue-rotate(68deg) saturate(0.72) brightness(0.92) contrast(0.9);
  mix-blend-mode: screen;
  opacity: 0.62;
  -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 58%, rgba(0, 0, 0, 0.56) 78%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 0%, #000 58%, rgba(0, 0, 0, 0.56) 78%, transparent 100%);
}

.animal-figure--owl img,
.animal-figure--platypus img {
  right: clamp(-120px, -7vw, -40px);
  left: auto;
  -webkit-mask-image: linear-gradient(270deg, #000 0%, #000 58%, rgba(0, 0, 0, 0.56) 78%, transparent 100%);
  mask-image: linear-gradient(270deg, #000 0%, #000 58%, rgba(0, 0, 0, 0.56) 78%, transparent 100%);
}

.animal-figure--sperm-whale img {
  width: min(51vw, 760px);
}

.animal-figure--bat img {
  width: min(51vw, 760px);
}

.animal-story[data-active-animal="octopus"] .animal-figure--octopus img {
  animation: animal-octopus-breathe 8.6s ease-in-out infinite;
}

.animal-story[data-active-animal="owl"] .animal-figure--owl img {
  animation: animal-owl-watch 10.4s ease-in-out infinite;
  transform-origin: 50% 64%;
}

.animal-story[data-active-animal="sperm-whale"] .animal-figure--sperm-whale img {
  animation: animal-whale-drift 12s ease-in-out infinite;
}

.animal-story[data-active-animal="platypus"] .animal-figure--platypus img {
  animation: animal-platypus-search 9.8s ease-in-out infinite;
}

.animal-story[data-active-animal="bat"] .animal-figure--bat img {
  animation: animal-bat-hang 11.2s ease-in-out infinite;
  transform-origin: 50% 14%;
}

@keyframes animal-octopus-breathe {
  0%, 100% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(0, 3px, 0) scale(0.996); }
  50% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(0, -4px, 0) scale(1.012); }
}

@keyframes animal-owl-watch {
  0%, 100% { transform: translate3d(var(--animal-x), var(--animal-y), 0) rotate(-0.28deg); }
  48% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(0, -3px, 0) rotate(0.32deg); }
  58% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(0, -3px, 0) rotate(0.12deg); }
}

@keyframes animal-whale-drift {
  0%, 100% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(-5px, 3px, 0); }
  50% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(7px, -4px, 0); }
}

@keyframes animal-platypus-search {
  0%, 100% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(-3px, 0, 0) rotate(-0.18deg); }
  50% { transform: translate3d(var(--animal-x), var(--animal-y), 0) translate3d(4px, -2px, 0) rotate(0.22deg); }
}

@keyframes animal-bat-hang {
  0%, 100% { transform: translate3d(var(--animal-x), var(--animal-y), 0) rotate(-0.38deg); }
  50% { transform: translate3d(var(--animal-x), var(--animal-y), 0) rotate(0.48deg); }
}

.animal-stage__status {
  position: absolute;
  z-index: 4;
  right: var(--side);
  bottom: 38px;
  display: flex;
  gap: 24px;
  align-items: center;
  color: rgba(238, 240, 231, 0.66);
}

.animal-stage__status p {
  margin: 0;
  font-size: 9px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.16em;
}

.animal-stage__status ol {
  display: flex;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.animal-stage__status li {
  width: 18px;
  height: 2px;
  background: currentColor;
  opacity: 0.24;
  transition: width 750ms var(--ease), opacity 750ms var(--ease);
}

.animal-stage__status li.is-current {
  width: 42px;
  opacity: 1;
}

.animal-story__chapters {
  position: relative;
  z-index: 2;
  margin-top: calc(-100dvh + var(--header-h));
  pointer-events: none;
}

.animal-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(350px, 0.72fr);
  align-items: center;
  min-height: 145dvh;
  padding: calc(var(--header-h) + 40px) var(--side) 60px;
}

.animal-chapter:nth-child(even) {
  grid-template-columns: minmax(350px, 0.72fr) minmax(0, 1.05fr);
}

.animal-chapter__panel {
  grid-column: 2;
  width: min(100%, 560px);
  margin-left: auto;
  padding: clamp(31px, 3.2vw, 50px);
  border: 1px solid rgba(185, 203, 189, 0.25);
  background: linear-gradient(135deg, rgba(17, 22, 19, 0.5), rgba(17, 22, 19, 0.3));
  box-shadow: inset 0 1px 0 rgba(238, 240, 231, 0.055);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  pointer-events: auto;
  opacity: 0.34;
  transform: translate3d(0, 24px, 0);
  transition: opacity 1100ms var(--ease), transform 1450ms var(--ease), background-color 1100ms var(--ease), border-color 1100ms var(--ease);
  will-change: transform, opacity;
}

.animal-chapter:nth-child(even) .animal-chapter__panel {
  grid-column: 1;
  margin-right: auto;
  margin-left: 0;
}

.animal-chapter.is-active .animal-chapter__panel {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.animal-chapter__number {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 13px;
  align-items: center;
  margin-bottom: 64px;
  color: #93ad99;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.2;
}

.animal-chapter__number strong {
  padding-left: 13px;
  border-left: 1px solid rgba(238, 240, 231, 0.28);
  color: var(--night-ink);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.animal-chapter h3 {
  margin-bottom: 42px;
  font-size: clamp(38px, 4.5vw, 66px);
  font-weight: 520;
  line-height: 1.12;
}

.animal-chapter__fact,
.animal-chapter__meaning {
  font-size: 13px;
  line-height: 1.95;
}

.animal-chapter__fact {
  margin-bottom: 25px;
  color: rgba(238, 240, 231, 0.62);
}

.animal-chapter__meaning {
  margin-bottom: 0;
  font-weight: 600;
}

.animal-chapter__mobile-figure {
  display: none;
}

.animal-story__outro {
  position: relative;
  z-index: 3;
  min-height: 100dvh;
  padding: clamp(150px, 18vw, 280px) var(--side);
  border-top: 1px solid var(--line-dark);
  background: var(--night);
  text-align: center;
}

.animal-story__cast {
  display: flex;
  justify-content: space-between;
  width: min(100%, 1120px);
  margin: 0 auto clamp(140px, 17vw, 260px);
  color: rgba(238, 240, 231, 0.25);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.animal-story__outro > p {
  margin-bottom: 38px;
  color: rgba(238, 240, 231, 0.54);
  font-size: 13px;
}

.animal-story__outro h3 {
  max-width: 1000px;
  margin: 0 auto;
  font-family: "Yu Mincho", YuMincho, "Hiragino Mincho ProN", serif;
  font-size: clamp(35px, 5.5vw, 78px);
  font-weight: 500;
  line-height: 1.45;
}

.explore {
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(160px, 20vw, 300px) var(--side);
}

.explore__head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.5fr);
  gap: 0 9vw;
  align-items: end;
  margin-bottom: clamp(120px, 15vw, 220px);
}

.explore__head .eyebrow,
.explore__head h2 {
  grid-column: 1;
}

.explore__head h2 {
  margin-bottom: 0;
  font-size: clamp(24px, 4.75vw, 70px);
  white-space: nowrap;
}

.explore__head > p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: end;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.route-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(70px, 9vw, 150px) clamp(44px, 8vw, 130px);
}

.route-group--wide {
  grid-column: 1 / -1;
}

.route-group h3 {
  display: flex;
  gap: 20px;
  align-items: baseline;
  margin-bottom: 26px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.route-group h3 span {
  color: var(--accent);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.route-group__links {
  border-top: 1px solid var(--ink);
}

.route-group__links a {
  display: grid;
  grid-template-columns: minmax(170px, 0.68fr) minmax(180px, 1.32fr) 24px;
  gap: 24px;
  align-items: center;
  min-height: 96px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: padding 300ms var(--ease), color 300ms var(--ease);
}

.route-group__links a:hover {
  padding-right: 12px;
  padding-left: 12px;
  color: var(--accent);
}

.route-group__links strong {
  font-size: clamp(17px, 1.6vw, 23px);
  letter-spacing: -0.035em;
}

.route-group__links span {
  color: var(--ink-soft);
  font-size: 12px;
}

.route-group__links i {
  font-size: 15px;
  font-style: normal;
  transition: transform 250ms var(--ease);
}

.route-group__links a:hover i {
  transform: translate(4px, -4px);
}

.route-group__links--split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.route-group__links--split a {
  grid-template-columns: minmax(170px, 0.8fr) minmax(170px, 1.2fr) 24px;
}

.route-group__links--split a:first-child {
  padding-right: 30px;
  border-right: 1px solid var(--line);
}

.route-group__links--split a:last-child {
  padding-left: 30px;
}

.operator {
  padding-top: clamp(130px, 15vw, 230px);
  padding-bottom: clamp(130px, 15vw, 230px);
}

.operator h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4.75vw, 70px);
  white-space: nowrap;
}

.operator__body {
  max-width: 720px;
  padding-top: 37px;
}

.operator__summary {
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 15px;
}

.operator__company {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.operator__company span,
.operator__editor-role {
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.operator__company strong {
  font-size: 15px;
  font-weight: 700;
}

.operator__company i,
.operator__editor-detail i {
  color: var(--accent);
  font-style: normal;
  transition: transform 240ms var(--ease);
}

.operator__company:hover i,
.operator__editor:hover .operator__editor-detail i {
  transform: translate(3px, -3px);
}

.operator__editor {
  display: grid;
  grid-template-columns: minmax(150px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(22px, 3.5vw, 42px);
  align-items: start;
  padding: 34px 0 38px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.operator__editor > img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: grayscale(1) contrast(0.95);
}

.operator__editor-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.operator__editor-role {
  margin-bottom: 13px;
}

.operator__editor-name {
  margin-bottom: 19px;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 620;
  letter-spacing: -0.035em;
}

.operator__editor-name small {
  margin-left: 8px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.operator__editor-note {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.9;
}

.operator__editor-detail {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  align-self: flex-start;
  margin-top: 22px;
  color: var(--ink);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.operator__contact {
  margin-top: 38px;
}

.appendix {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
  max-width: var(--content);
  margin: 0 auto;
  padding: 46px var(--side) 72px;
  border-top: 1px solid var(--line);
}

.appendix h2 {
  margin: 0;
  color: var(--ink-soft);
  font-size: 9px;
  letter-spacing: 0.16em;
}

.appendix nav {
  display: flex;
  gap: clamp(24px, 4vw, 62px);
}

.appendix a {
  display: inline-flex;
  gap: 13px;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
}

@media (min-width: 901px) and (max-height: 820px) {
  .about-hero h1 {
    margin-bottom: clamp(30px, 3vw, 44px);
    font-size: clamp(58px, 7.2vw, 112px);
  }
}

@media (max-width: 900px) {
  .about-hero {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 72px;
  }

  .about-hero__index {
    display: none;
  }

  .origin,
  .promise,
  .operator {
    grid-template-columns: 1fr;
  }

  .origin__body {
    grid-column: auto;
  }

  .promise__head {
    position: static;
  }

  .system__path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
    min-height: 0;
  }

  .field--news,
  .field--lab,
  .field--article,
  .field--product,
  .field--magazine {
    grid-column: auto;
    grid-row: auto;
    max-width: none;
    margin-top: 0;
  }

  .field--magazine {
    grid-column: 1 / -1;
    width: calc(50% - 12px);
  }

  .system__line {
    opacity: 0.76;
  }

  .route-group__links--split {
    grid-template-columns: 1fr;
  }

  .route-group__links--split a:first-child {
    padding-right: 0;
    border-right: 0;
  }

  .route-group__links--split a:last-child {
    padding-left: 0;
  }

}

@media (max-width: 767px) {
  .about-page {
    --side: 20px;
    background: var(--paper);
  }

  .about-hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    min-height: calc(100svh - var(--header-h));
    padding-top: 72px;
    padding-bottom: 90px;
  }

  .about-hero__symbol-line {
    bottom: 126px;
    left: 50%;
    width: calc(100% - (var(--side) * 2) - 16px);
    transform: translateX(-50%);
  }

  .about-hero h1 {
    max-width: none;
    margin-bottom: 42px;
    font-size: clamp(50px, 15vw, 68px);
    line-height: 0.96;
  }

  .about-hero__lead {
    font-size: 14px;
    line-height: 1.95;
  }

  .about-hero__scroll {
    bottom: 22px;
  }

  .origin,
  .promise,
  .system,
  .stance,
  .explore,
  .operator {
    padding-top: 116px;
    padding-bottom: 116px;
  }

  .origin h2,
  .promise h2,
  .system h2,
  .stance h2,
  .explore h2,
  .operator h2 {
    margin-bottom: 48px;
    font-size: clamp(39px, 11.5vw, 52px);
  }

  .origin {
    gap: 54px;
  }

  .origin__columns {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .origin__columns p,
  .operator__body p {
    font-size: 14px;
  }

  .origin blockquote {
    margin-top: 70px;
  }

  .origin blockquote p {
    font-size: 23px;
  }

  .promise {
    gap: 30px;
  }

  .promise__list {
    margin-bottom: 42px;
  }

  .promise__list li {
    grid-template-columns: 37px 1fr;
    padding: 22px 0;
  }

  .promise__list p {
    font-size: 16px;
  }

  .system__head,
  .explore__head,
  .animal-story__intro,
  .stance {
    display: block;
  }

  .system__head {
    margin-bottom: 86px;
  }

  .system-title {
    display: grid;
    grid-template-columns: max-content max-content;
    justify-content: space-between;
    gap: 10px 0;
    margin: 38px 0 70px;
    font-size: clamp(32px, 9.4vw, 41px) !important;
    line-height: 0.98;
  }

  .system-title > span {
    transform: none;
  }

  .system-title > span:nth-child(2) {
    padding-top: 1.06em;
  }

  .system-title > span:nth-child(3) {
    margin-top: -0.2em;
    margin-left: 0.42em;
  }

  .system-title > span:nth-child(4) {
    padding-top: 0.86em;
  }

  .system-title small {
    margin-bottom: 8px;
    font-size: 8px;
  }

  .system__head > p:last-child,
  .explore__head > p:last-child,
  .animal-story__intro > p:not(.eyebrow):not(.animal-story__instruction) {
    margin-top: 0;
    font-size: 14px;
  }

  .system__path {
    display: block;
    position: relative;
  }

  .field,
  .field--magazine {
    position: relative;
    z-index: 1;
    width: 79%;
    max-width: none;
    margin: 0 0 112px;
    padding: 10px 0 22px;
    background: var(--paper);
  }

  .field:nth-of-type(even) {
    margin-left: auto;
  }

  .field:nth-of-type(odd) {
    margin-right: auto;
  }

  .system__line {
    inset: 14px -12px 50px;
    width: calc(100% + 24px);
    height: calc(100% - 64px);
    opacity: 0.82;
  }

  .field__index {
    margin-bottom: 27px;
  }

  .field h3 {
    font-size: 38px;
  }

  .field > p:not(.field__index) {
    min-height: 0;
  }

  .stance__copy {
    margin-top: 0;
  }

  .stance h2 {
    font-size: clamp(27px, 7.25vw, 32px);
    line-height: 1.3;
  }

  .stance__declaration {
    margin-top: 92px;
    font-size: 31px;
    text-align: left;
  }

  .animal-story__intro {
    min-height: auto;
    padding-top: 118px;
    padding-bottom: 120px;
  }

  .animal-story__intro h2 {
    margin-bottom: 48px;
    font-size: clamp(20px, 5.45vw, 23px);
    letter-spacing: -0.06em;
    white-space: nowrap;
  }

  .animal-story__instruction {
    position: static;
    margin-top: 48px;
  }

  .animal-story__sticky {
    top: var(--header-h);
    height: calc(100svh - var(--header-h));
    min-height: 0;
  }

  .animal-stage__figures {
    display: block;
  }

  .animal-figure img,
  .animal-story[data-active-animal="owl"] .animal-figure img,
  .animal-story[data-active-animal="platypus"] .animal-figure img {
    --animal-x: -50%;
    --animal-y: -50%;
    top: 41%;
    right: auto;
    left: 50%;
    width: 116vw;
    height: 72svh;
    max-width: none;
    opacity: 0.58;
    filter: grayscale(1) sepia(0.35) hue-rotate(74deg) brightness(1.12) contrast(0.86);
    mix-blend-mode: normal;
    transform: translate3d(var(--animal-x), var(--animal-y), 0) scale(0.9);
    -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 46%, #000 28%, rgba(0, 0, 0, 0.82) 58%, transparent 100%);
    mask-image: radial-gradient(ellipse 65% 55% at 50% 46%, #000 28%, rgba(0, 0, 0, 0.82) 58%, transparent 100%);
  }

  .animal-figure.is-active img,
  .animal-story[data-active-animal="owl"] .animal-figure.is-active img,
  .animal-story[data-active-animal="platypus"] .animal-figure.is-active img {
    transform: translate3d(var(--animal-x), var(--animal-y), 0) scale(1);
  }

  .animal-figure--whale img,
  .animal-figure--bat img {
    width: 103vw;
  }

  .animal-figure--platypus img {
    width: 123vw;
  }

  .animal-stage__word {
    top: 43%;
    left: 0;
    width: 100%;
    font-size: 17vw;
    letter-spacing: -0.075em;
    text-align: center;
    transform: translate3d(0, -50%, 0) !important;
  }

  .animal-stage__status {
    right: 20px;
    bottom: 24px;
  }

  .animal-story__chapters {
    position: relative;
    z-index: 3;
    margin-top: calc(-100svh + var(--header-h));
    background: transparent;
    pointer-events: none;
  }

  .animal-chapter,
  .animal-chapter:nth-child(even) {
    display: flex;
    align-items: flex-end;
    min-height: 150svh;
    padding: 64svh 20px 16svh;
    background: transparent;
  }

  .animal-chapter__panel,
  .animal-chapter:nth-child(even) .animal-chapter__panel {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 32px 18px 36px;
    border: 0;
    border-top: 1px solid rgba(216, 236, 224, 0.32);
    background: var(--night);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    opacity: 1;
    transform: translate3d(0, 30px, 0);
    transition: transform 1450ms var(--ease);
    pointer-events: auto;
    will-change: transform;
  }

  .animal-chapter.is-active .animal-chapter__panel {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .animal-chapter__mobile-figure {
    display: none;
  }

  .animal-chapter__number {
    margin-bottom: 34px;
  }

  .animal-chapter h3 {
    margin-bottom: 32px;
    font-size: 42px;
  }

  .animal-chapter__fact,
  .animal-chapter__meaning {
    font-size: 13px;
  }

  .animal-story__outro {
    min-height: auto;
    padding-top: 130px;
    padding-bottom: 140px;
  }

  .animal-story__cast {
    flex-wrap: wrap;
    gap: 18px 24px;
    justify-content: center;
    margin-bottom: 100px;
  }

  .animal-story__outro h3 {
    font-size: 32px;
  }

  .explore__head {
    margin-bottom: 100px;
  }

  .explore h2 {
    font-size: clamp(23px, 6.65vw, 29px);
    letter-spacing: -0.055em;
    white-space: nowrap;
  }

  .route-map {
    grid-template-columns: 1fr;
    gap: 86px;
  }

  .route-group--wide {
    grid-column: auto;
  }

  .route-group__links a,
  .route-group__links--split a {
    grid-template-columns: minmax(0, 1fr) 20px;
    gap: 8px 18px;
    min-height: 88px;
    padding: 22px 0;
  }

  .route-group__links strong {
    grid-column: 1;
    font-size: 18px;
  }

  .route-group__links span {
    grid-column: 1;
    font-size: 11px;
  }

  .route-group__links i {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .operator {
    gap: 20px;
  }

  .operator h2 {
    font-size: clamp(31px, 9.2vw, 40px);
    white-space: nowrap;
  }

  .operator__body {
    padding-top: 0;
  }

  .operator__company {
    grid-template-columns: 78px minmax(0, 1fr) auto;
    gap: 14px;
  }

  .operator__editor {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .operator__editor > img {
    width: min(100%, 360px);
  }

  .appendix {
    display: block;
    padding-top: 38px;
    padding-bottom: 98px;
  }

  .appendix h2 {
    margin-bottom: 30px;
  }

  .appendix nav {
    flex-direction: column;
    gap: 18px;
  }

}

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

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

  .system__line-flow {
    stroke-dashoffset: 0;
  }

  .system__line-orbit {
    display: none;
  }
}
