/* The approved material story, isolated from the surrounding storefront. */
.diaper-material {
  --material-cream: #fffefa;
  --material-ink: #20322d;
  --material-blue: #2148c0;
  --material-chapter-height: 48px;
  --material-progress: 0;
  position: relative;
  height: 440svh;
  margin: 0;
  padding: 0;
  color: var(--material-ink);
  background: var(--material-cream);
  font-family: inherit;
  line-height: normal;
  scroll-margin-top: var(--material-top, 140px);
}
.diaper-material,
.diaper-material *,
.diaper-material *::before,
.diaper-material *::after { box-sizing: border-box; }
.diaper-material h2,
.diaper-material p { margin: 0; }
.diaper-material button,
.diaper-material input { font: inherit; -webkit-tap-highlight-color: transparent; }
.diaper-material button { cursor: pointer; }
.diaper-material button:focus-visible,
.diaper-material input:focus-visible { outline: 2px solid #4166e9; outline-offset: 5px; }

.diaper-material .material-stage {
  position: sticky;
  top: var(--material-top, 140px);
  display: flex;
  flex-direction: column;
  height: calc(100svh - var(--material-top, 140px));
  min-height: 0;
  overflow: hidden;
  isolation: isolate;
  background: var(--material-cream);
}
.diaper-material .material-chapters {
  position: relative;
  z-index: 5;
  display: flex;
  flex: 0 0 var(--material-chapter-height);
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--material-chapter-height);
  padding: 0 5% 0 6.5%;
  background: #fffefaf5;
  border-top: 1px solid #20322d0b;
  border-bottom: 1px solid #20322d0e;
}
.diaper-material .material-chapters > :is(p, strong, span, .material-chapter-label) {
  margin: 0;
  font-size: 11px;
  line-height: 1.35;
  font-weight: 450;
  letter-spacing: -.01em;
  color: #65776b;
}
.diaper-material .step-nav { display: flex; align-items: stretch; gap: 34px; height: 100%; flex-shrink: 0; }
.diaper-material .step-nav button { position: relative; display: flex; align-items: center; gap: 10px; min-width: 0; margin: 0; padding: 0 2px; border: 0; border-radius: 0; background: none; box-shadow: none; font-size: 11px; font-weight: 450; line-height: normal; color: #74827a; transition: color .18s; }
.diaper-material .step-number { font-size: 8px; letter-spacing: .04em; color: #a2aca5; font-weight: 400; }
.diaper-material .step-nav button[aria-pressed=true],
.diaper-material .step-nav button[aria-pressed=true] .step-number,
.diaper-material .step-nav button:hover { color: var(--material-blue); }
.diaper-material .step-nav button::after { position: absolute; content: ''; height: 2px; bottom: 0; left: 2px; right: 2px; background: var(--material-blue); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.diaper-material .step-nav button[aria-pressed=true]::after { transform: scaleX(1); }
.diaper-material .progress-track { position: absolute; bottom: -1px; left: 0; right: 0; height: 1px; pointer-events: none; }
.diaper-material .progress-track i { display: block; height: 100%; width: 100%; background: var(--material-blue); transform-origin: left; transform: scaleX(var(--material-progress, 0)); opacity: .35; }

.diaper-material .material-visual { position: relative; flex: 1 1 auto; height: calc(100% - var(--material-chapter-height)); min-height: 0; overflow: hidden; isolation: isolate; background: var(--material-cream); }
.diaper-material .material-poster { display: block; position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; margin: 0; object-fit: cover; object-position: 67% center; opacity: 1; }
.diaper-material #material-canvas { display: block; position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; opacity: 0; touch-action: pan-y; }
.diaper-material.material-ready #material-canvas { opacity: 1; }
.diaper-material.material-ready .material-poster { opacity: 0; }
.diaper-material .readability { position: absolute; inset: 0; z-index: 2; pointer-events: none; background: linear-gradient(90deg,#fffefa 0%,#fffefaeb 20%,#fffefa8c 34%,#fffefa00 58%); opacity: var(--material-veil, .78); }
.diaper-material .stage-top { position: absolute; left: 6.5%; right: 5%; top: 28px; z-index: 4; display: flex; justify-content: flex-end; font-size: 8px; letter-spacing: .14em; color: #829087; pointer-events: none; }
.diaper-material .stage-top #view-name { display: none; }
.diaper-material .stage-top #view-count { font-variant-numeric: tabular-nums; letter-spacing: .1em; }
.diaper-material .caption { position: absolute; left: 6.5%; width: 42%; max-width: 610px; top: 27%; z-index: 3; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .3s, transform .45s, visibility .3s; pointer-events: none; }
.diaper-material .caption.active { opacity: 1; visibility: visible; transform: none; }
.diaper-material .caption h2 { margin: 0; font-size: clamp(43px,4.8vw,78px); font-weight: 430; letter-spacing: -.055em; line-height: 1.075; color: var(--material-ink); }
.diaper-material .caption em { font-style: normal; font-weight: 430; color: var(--material-blue); }
.diaper-material .eyebrow { display: flex; align-items: center; gap: 12px; font-size: 9px; line-height: normal; font-weight: 500; letter-spacing: .13em; color: #65776b; margin: 0 0 24px; }
.diaper-material .caption-index { color: #9ba69e; font-size: 8px; letter-spacing: .04em; border-right: 1px solid #cdd6ce; padding-right: 12px; }
.diaper-material .caption-description { font-size: 13px; line-height: 1.75; font-weight: 400; color: #708078; margin: 23px 0 0; max-width: 300px; }
.diaper-material .scroll-cue { display: flex; align-items: center; gap: 15px; margin-top: 40px; font-size: 10px; letter-spacing: .025em; color: #7e8b82; }
.diaper-material .scroll-cue i { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid #c8d1c7; border-radius: 50%; font-style: normal; font-size: 15px; color: #6b7e6f; }
.diaper-material .scroll-cue.is-hidden { opacity: 0; visibility: hidden; }
.diaper-material .stage-bottom { position: absolute; bottom: 27px; left: 6.5%; right: 5%; display: flex; align-items: center; justify-content: flex-end; gap: 25px; z-index: 4; }
.diaper-material .progress-control { display: flex; align-items: center; gap: 20px; }
.diaper-material .progress-hint { font-size: 8px; letter-spacing: .02em; color: #88968b; }
.diaper-material .progress-control input { appearance: none; -webkit-appearance: none; display: block; width: 156px; flex-shrink: 0; height: 28px; min-height: 0; margin: 0; padding: 0; background: linear-gradient(to right,#2148c0 calc(var(--material-progress,0) * 100%),#c6d1c7 0); background-size: 100% 1px; background-repeat: no-repeat; background-position: center; border: 0; border-radius: 0; box-shadow: none; cursor: ew-resize; }
.diaper-material .progress-control input::-webkit-slider-thumb { appearance: none; -webkit-appearance: none; height: 7px; width: 7px; border-radius: 50%; background: var(--material-blue); border: 0; box-shadow: 0 0 0 4px #fffefa99; }
.diaper-material .progress-control input::-moz-range-thumb { height: 7px; width: 7px; border-radius: 50%; background: var(--material-blue); border: 0; box-shadow: 0 0 0 4px #fffefa99; }
.diaper-material .loading { position: absolute; z-index: 10; right: 5%; bottom: 82px; margin: 0; font-size: 10px; line-height: 1.4; color: #758279; padding: 12px 18px; border: 1px solid #e4e9df; border-radius: 40px; background: #fffefae8; box-shadow: 0 4px 25px #18302b05; }
.diaper-material .loading[hidden] { display: none; }
.diaper-material .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; }
.diaper-material.material-fallback { height: auto; }
.diaper-material.material-fallback .material-stage { position: relative; top: 0; height: clamp(420px,70svh,720px); }
.diaper-material.material-fallback .material-visual { height: 100%; }
.diaper-material.material-fallback .material-poster { opacity: 1; }
.diaper-material.material-fallback #material-canvas,
.diaper-material.material-fallback .material-chapters,
.diaper-material.material-fallback .stage-top,
.diaper-material.material-fallback .progress-control,
.diaper-material.material-fallback .scroll-cue,
.diaper-material.material-fallback .loading,
.diaper-material.material-fallback .caption:not([data-scene="0"]) { display: none; }
.diaper-material.material-fallback .caption[data-scene="0"] { display: block; opacity: 1; visibility: visible; transform: none; }

@media (min-width:1700px) {
  .diaper-material .caption { top: 28%; width: 38%; left: 7%; }
  .diaper-material .stage-top,
  .diaper-material .stage-bottom { left: 7%; }
  .diaper-material .material-chapters { padding-left: 7%; }
}
@media (max-width:1100px) {
  .diaper-material .caption { width: 46%; left: 6%; }
  .diaper-material .caption h2 { font-size: clamp(39px,4.65vw,51px); }
  .diaper-material .caption-description { font-size: 12px; max-width: 270px; }
  .diaper-material .step-nav { gap: 25px; }
  .diaper-material .stage-top,
  .diaper-material .stage-bottom { left: 6%; }
  .diaper-material .material-chapters { padding-left: 6%; }
  .diaper-material .progress-hint { display: none; }
}
@media (max-width:760px) {
  .diaper-material { height: 400svh; }
  .diaper-material .material-chapters { gap: 12px; padding: 0 7%; }
  .diaper-material .material-chapters > :is(p, strong, span, .material-chapter-label) { max-width: 122px; font-size: 8px; line-height: 1.4; }
  .diaper-material .step-nav { justify-content: space-between; gap: 16px; }
  .diaper-material .step-nav button { font-size: 9px; gap: 6px; padding: 0; }
  .diaper-material .step-number { font-size: 7px; }
  .diaper-material .step-nav button::after { left: 0; right: 0; height: 1px; }
  .diaper-material .stage-top { left: 7%; right: 7%; top: 19px; font-size: 6.5px; letter-spacing: .13em; }
  .diaper-material .caption { top: 63px; left: 7%; width: 86%; max-width: none; }
  .diaper-material .caption h2 { font-size: clamp(31px,9vw,43px); line-height: 1.07; letter-spacing: -.05em; }
  .diaper-material .eyebrow { font-size: 7.5px; gap: 9px; margin-bottom: 15px; letter-spacing: .11em; }
  .diaper-material .caption-index { font-size: 7px; padding-right: 9px; }
  .diaper-material .caption-description { font-size: 11px; line-height: 1.65; margin-top: 14px; max-width: 265px; }
  .diaper-material .scroll-cue { margin-top: 20px; font-size: 8px; gap: 11px; }
  .diaper-material .scroll-cue i { height: 24px; width: 24px; font-size: 12px; }
  .diaper-material .readability { background: linear-gradient(180deg,#fffefa 0%,#fffefaeb 17%,#fffefa9c 31%,#fffefa24 49%,#fffefa00 63%); opacity: var(--material-veil,.83); }
  .diaper-material .material-poster { object-position: 64% center; }
  .diaper-material .stage-bottom { left: 7%; right: 7%; bottom: 17px; gap: 12px; flex-wrap: wrap; }
  .diaper-material .progress-control { gap: 0; }
  .diaper-material .progress-control input { width: 103px; height: 30px; }
  .diaper-material .loading { right: 7%; bottom: 62px; font-size: 8px; padding: 10px 14px; }
  .diaper-material.material-fallback .material-stage { height: clamp(470px,78svh,680px); }
}
@media (max-width:375px) {
  .diaper-material .material-chapters { gap: 10px; }
  .diaper-material .step-nav { gap: 11px; }
  .diaper-material .step-nav button { font-size: 8.5px; }
  .diaper-material .caption { top: 58px; }
  .diaper-material .caption h2 { font-size: 31px; }
  .diaper-material .caption-description { font-size: 10px; max-width: 245px; }
  .diaper-material .scroll-cue { margin-top: 16px; }
  .diaper-material .stage-bottom { gap: 7px; }
  .diaper-material .progress-control input { width: 88px; }
}
@media (max-height:680px) and (min-width:761px) {
  .diaper-material .caption { top: 24%; }
  .diaper-material .caption h2 { font-size: clamp(36px,4vw,52px); }
  .diaper-material .eyebrow { margin-bottom: 16px; }
  .diaper-material .caption-description { margin-top: 17px; }
  .diaper-material .scroll-cue { display: none; }
  .diaper-material .stage-top { top: 18px; }
  .diaper-material .stage-bottom { bottom: 15px; }
  .diaper-material .loading { bottom: 60px; }
}
@media (max-height:740px) and (max-width:760px) {
  .diaper-material .caption { top: 54px; }
  .diaper-material .caption h2 { font-size: clamp(30px,8.4vw,38px); }
  .diaper-material .eyebrow { margin-bottom: 11px; }
  .diaper-material .caption-description { margin-top: 11px; }
  .diaper-material .scroll-cue { display: none; }
  .diaper-material .stage-bottom { bottom: 10px; }
}
@media (max-height:500px) and (min-width:761px) {
  .diaper-material .stage-top { top: 15px; font-size: 7px; }
  .diaper-material .caption { top: 23%; width: 45%; }
  .diaper-material .caption h2 { font-size: 34px; }
  .diaper-material .eyebrow { margin-bottom: 9px; font-size: 7px; }
  .diaper-material .caption-description { font-size: 10px; line-height: 1.5; margin-top: 10px; max-width: 290px; }
  .diaper-material .stage-bottom { bottom: 9px; }
}
@media (prefers-reduced-motion:reduce) {
  .diaper-material { height: auto; }
  .diaper-material .material-stage { position: relative; top: 0; }
  .diaper-material .caption,
  .diaper-material .step-nav button,
  .diaper-material .step-nav button::after { transition: none; }
  .diaper-material .caption { transform: none; }
  .diaper-material .scroll-cue { display: none; }
}