:root {
  --about-story-top: 86px;
  --about-story-height: calc(100svh - var(--about-story-top));
}

body[data-page="about"] {
  background: var(--paper);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
.about-scroll-page { overflow: clip; }

.about-story {
  position: relative;
  color: var(--ink);
  background: var(--paper);
  isolation: isolate;
}

.about-story__stage,
.about-story__skip { display: none; }

.about-story__chapter {
  width: var(--container);
  margin-inline: auto;
  padding: clamp(62px, 8vw, 112px) 0;
  border-bottom: 1px solid var(--line);
}

.about-story__chapter-image {
  margin: 0 0 32px;
  background: var(--paper-bright);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-story__chapter-image img {
  width: 100%;
  max-height: 78svh;
  object-fit: contain;
}

.about-story__copy { max-width: 640px; }
.about-story__eyebrow {
  color: var(--vermilion);
  font-size: .67rem;
  font-weight: 900;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.about-story__copy h1,
.about-story__copy h2 {
  max-width: 9ch;
  margin: 18px 0 22px;
  font-family: var(--font-display);
  font-size: clamp(4.2rem, 8vw, 8rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: .8;
  text-transform: uppercase;
}

.about-story__copy p {
  max-width: 530px;
  margin: 0;
  color: #3f4651;
  font-size: clamp(.97rem, 1.25vw, 1.12rem);
  line-height: 1.6;
}

.about-story__copy ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-story__copy li {
  padding: 10px 16px 9px 0;
  color: var(--muted);
  font-size: .62rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.about-story__copy li + li {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.about-story__cue {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  color: var(--muted);
  font-size: .63rem;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.about-story__cue::after {
  content: "↓";
  color: var(--vermilion);
  font-size: 1.2rem;
}

body.lang-ko .about-story__copy h1,
body.lang-ko .about-story__copy h2 {
  max-width: 11ch;
  font-family: var(--font-body);
  font-size: clamp(3rem, 5.7vw, 5.7rem);
  font-weight: 850;
  letter-spacing: -.045em;
  line-height: 1.03;
  text-transform: none;
}

.about-story.is-ready .about-story__stage {
  position: sticky;
  top: var(--about-story-top);
  z-index: 1;
  display: block;
  width: 100%;
  height: var(--about-story-height);
  min-height: 540px;
  overflow: hidden;
  background: var(--paper);
}

.about-story.is-ready .about-story__chapters {
  position: relative;
  z-index: 2;
  margin-top: calc(-1 * var(--about-story-height));
  pointer-events: none;
}

.about-story.is-ready .about-story__chapter {
  min-height: var(--about-story-height);
  display: flex;
  align-items: center;
  padding: clamp(44px, 5vw, 76px) 0;
  border: 0;
}

.about-story.is-ready .about-story__chapter-image { display: none; }

.about-story.is-ready .about-story__copy {
  position: relative;
  width: min(42vw, 520px);
  padding: clamp(22px, 3vw, 34px);
  background: rgba(243, 240, 232, .94);
  border-top: 1px solid rgba(7, 17, 38, .25);
  border-bottom: 1px solid rgba(7, 17, 38, .25);
  opacity: .12;
  transform: translateY(26px);
  transition: opacity .45s ease, transform .55s cubic-bezier(.22, 1, .36, 1);
  pointer-events: auto;
}

.about-story.is-ready .about-story__chapter.is-active .about-story__copy {
  opacity: 1;
  transform: none;
}

.about-story.is-ready .about-story__copy h1,
.about-story.is-ready .about-story__copy h2 {
  font-size: clamp(3.8rem, 6.5vw, 7rem);
}

body.lang-ko .about-story.is-ready .about-story__copy h1,
body.lang-ko .about-story.is-ready .about-story__copy h2 {
  font-size: clamp(2.7rem, 4.7vw, 4.8rem);
}

.about-story__media,
.about-story__frame,
.about-story__frame img,
.about-story__video,
.about-story__scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.about-story__media { overflow: hidden; background: var(--paper); }
.about-story__frame {
  z-index: 0;
  display: block;
  opacity: 0;
  transition: opacity .72s cubic-bezier(.22, 1, .36, 1);
  will-change: opacity;
}

.about-story__frame.is-active { z-index: 1; opacity: 1; }
.about-story__frame img {
  object-fit: cover;
  object-position: center;
  transform: scale(1.018);
  transform-origin: center;
  will-change: transform;
}

.about-story__video {
  z-index: 2;
  display: none;
  object-fit: cover;
  object-position: center;
  background: var(--paper);
}

.about-story.has-video .about-story__video { display: block; }
.about-story.has-video .about-story__frame { opacity: 0; }

.about-story__scrim {
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(243, 240, 232, .99) 0%, rgba(243, 240, 232, .9) 28%, rgba(243, 240, 232, .12) 58%, rgba(243, 240, 232, 0) 76%);
}

.about-story__progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 5;
  height: 3px;
  background: rgba(7, 17, 38, .14);
}

.about-story__progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--vermilion);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.about-story__rail {
  position: absolute;
  top: 50%;
  right: clamp(18px, 2.4vw, 42px);
  z-index: 6;
  display: grid;
  gap: 0;
  width: 136px;
  padding: 7px 12px 8px;
  background: var(--paper);
  border-top: 1px solid rgba(7, 17, 38, .18);
  border-bottom: 1px solid rgba(7, 17, 38, .18);
  transform: translateY(-50%);
}

.about-story__rail button {
  display: grid;
  grid-template-columns: 25px 1fr;
  align-items: center;
  gap: 7px;
  min-height: 39px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid rgba(7, 17, 38, .16);
  color: rgba(7, 17, 38, .42);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.about-story__rail button span:first-child {
  color: inherit;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
}

.about-story__rail button span:last-child {
  overflow: hidden;
  font-size: .56rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.about-story__rail button:hover,
.about-story__rail button[aria-current="step"] { color: var(--ink); }
.about-story__rail button[aria-current="step"] { border-color: var(--vermilion); }

.about-story.is-ready .about-story__skip {
  position: fixed;
  top: calc(var(--about-story-top) + 14px);
  right: clamp(18px, 2.4vw, 42px);
  z-index: 90;
  display: inline-flex;
  padding: 7px 0 5px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  background: var(--paper);
  font-size: .58rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}

.about-story.is-ready.is-in-view .about-story__skip {
  opacity: 1;
  pointer-events: auto;
}

.about-record {
  position: relative;
  z-index: 3;
  scroll-margin-top: calc(var(--site-header-height, 96px) + 1px);
}
.about-context { position: relative; z-index: 3; background: var(--paper); }
.about-invitation { position: relative; z-index: 3; }
.about-invitation__head {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 72px;
  align-items: start;
  margin-bottom: 54px;
}

.about-invitation__head h2 {
  max-width: 850px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 7vw, 7.2rem);
  font-weight: 750;
  letter-spacing: -.035em;
  line-height: .8;
  text-transform: uppercase;
}

body.lang-ko .about-invitation__head h2 {
  font-family: var(--font-body);
  font-size: clamp(2.7rem, 5.6vw, 5.4rem);
  line-height: 1.05;
  text-transform: none;
}

.about-invitation__paths { border-top: 1px solid var(--line-light); }
.about-invitation__paths a {
  display: grid;
  grid-template-columns: 72px minmax(180px, .72fr) 1.28fr auto;
  gap: 26px;
  align-items: center;
  min-height: 112px;
  border-bottom: 1px solid var(--line-light);
  transition: color .2s ease, background .2s ease;
}

.about-invitation__paths a:hover {
  color: var(--ink);
  background: var(--vermilion-bright);
}

.about-invitation__paths a > span {
  color: var(--vermilion);
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.about-invitation__paths a:hover > span { color: var(--ink); }
.about-invitation__paths strong {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 650;
  letter-spacing: -.015em;
  line-height: 1;
  text-transform: uppercase;
}

.about-invitation__paths small {
  color: rgba(255, 255, 255, .64);
  font-size: .84rem;
}

.about-invitation__paths a:hover small { color: rgba(7, 17, 38, .72); }
.about-invitation__paths i {
  color: var(--vermilion);
  font-size: 1.8rem;
  font-style: normal;
  transition: transform .2s ease;
}

.about-invitation__paths a:hover i { color: var(--ink); transform: translateX(7px); }

@media (max-width: 1100px) {
  .about-story__rail { width: 58px; }
  .about-story__rail button { grid-template-columns: 1fr; text-align: center; }
  .about-story__rail button span:last-child { display: none; }
  .about-story.is-ready .about-story__copy { width: min(48vw, 500px); }
}

@media (max-width: 980px) {
  .about-invitation__head { grid-template-columns: 1fr; gap: 28px; }
  .about-invitation__paths a { grid-template-columns: 48px minmax(170px, .85fr) 1.15fr auto; }
}

@media (max-width: 700px) {
  .about-record .program-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 32px 0 36px;
  }

  .about-record .program-row .number {
    width: auto;
    margin: 0 0 13px;
    font-size: clamp(2.65rem, 13vw, 3.5rem);
    line-height: .86;
  }

  .about-record .program-row h3 {
    min-width: 0;
    margin: 0 0 15px;
    font-size: clamp(2.1rem, 10.2vw, 2.75rem);
    line-height: .9;
    overflow-wrap: break-word;
  }

  body.lang-ko .about-record .program-row h3 {
    font-size: clamp(1.75rem, 8vw, 2.25rem);
    line-height: 1.08;
  }

  .about-record .program-row p {
    grid-column: 1;
    min-width: 0;
    font-size: .96rem;
    line-height: 1.62;
  }

  .about-story__chapter { padding: 48px 0; }
  .about-story__chapter-image { margin-bottom: 24px; }
  .about-story__copy h1,
  .about-story__copy h2 { font-size: clamp(3rem, 15vw, 4.5rem); }
  body.lang-ko .about-story__copy h1,
  body.lang-ko .about-story__copy h2 { font-size: clamp(2.4rem, 10.8vw, 3.5rem); }

  .about-story.is-ready .about-story__stage { min-height: 520px; }
  .about-story.is-ready .about-story__chapter {
    align-items: flex-end;
    padding: 88px 18px max(22px, env(safe-area-inset-bottom));
  }

  .about-story.is-ready .about-story__copy {
    width: 100%;
    max-width: none;
    padding: 18px 18px 16px;
    background: rgba(243, 240, 232, .96);
  }

  .about-story.is-ready .about-story__copy h1,
  .about-story.is-ready .about-story__copy h2 {
    max-width: 12ch;
    margin: 11px 0 12px;
    font-size: clamp(2.7rem, 12.2vw, 4rem);
    line-height: .84;
  }

  body.lang-ko .about-story.is-ready .about-story__copy h1,
  body.lang-ko .about-story.is-ready .about-story__copy h2 {
    max-width: 13ch;
    font-size: clamp(2.05rem, 8.8vw, 3rem);
    line-height: 1.06;
  }

  .about-story.is-ready .about-story__copy p {
    font-size: .84rem;
    line-height: 1.52;
  }

  .about-story.is-ready .about-story__copy ul { margin-top: 13px; }
  .about-story.is-ready .about-story__copy li { padding-block: 7px 6px; font-size: .54rem; }
  .about-story__cue { margin-top: 14px; font-size: .54rem; }

  .about-story__scrim {
    background: linear-gradient(0deg, rgba(243, 240, 232, .98) 0%, rgba(243, 240, 232, .7) 35%, rgba(243, 240, 232, 0) 62%);
  }

  .about-story__rail {
    top: 12px;
    right: 12px;
    left: 12px;
    width: auto;
    padding: 0;
    background: transparent;
    border-top: 0;
    grid-template-columns: repeat(6, 1fr);
    transform: none;
  }

  .about-story__rail button {
    min-height: 32px;
    border-bottom-color: rgba(7, 17, 38, .14);
    font-size: .68rem;
  }

  .about-story.is-ready .about-story__skip {
    top: calc(var(--about-story-top) + 51px);
    right: 12px;
    padding: 5px 7px;
    border: 1px solid rgba(7, 17, 38, .25);
    font-size: .5rem;
  }

  .about-invitation__head h2 { font-size: clamp(3rem, 14vw, 4.5rem); }
  body.lang-ko .about-invitation__head h2 { font-size: clamp(2.35rem, 10vw, 3.4rem); }
  .about-invitation__paths a {
    grid-template-columns: 38px 1fr auto;
    gap: 12px;
    min-height: 104px;
    padding-block: 18px;
  }
  .about-invitation__paths strong { font-size: 1.85rem; }
  .about-invitation__paths small { grid-column: 2 / -1; margin-top: -8px; }
}

@media (prefers-reduced-motion: reduce) {
  .about-story.is-ready .about-story__stage,
  .about-story.is-ready .about-story__skip { display: none; }
  .about-story.is-ready .about-story__chapters { margin-top: 0; pointer-events: auto; }
  .about-story.is-ready .about-story__chapter {
    min-height: 0;
    display: block;
    padding: clamp(54px, 8vw, 92px) 0;
    border-bottom: 1px solid var(--line);
  }
  .about-story.is-ready .about-story__chapter-image { display: block; }
  .about-story.is-ready .about-story__copy {
    width: auto;
    max-width: 640px;
    padding: 0;
    background: transparent;
    border: 0;
    opacity: 1;
    transform: none;
  }
}