.page-about {
  --about-red: var(--cs-red);
  --about-gold: var(--cs-gold);
  --about-gold-line: var(--cs-gold-line);
  --about-gold-soft: var(--cs-gold-soft);
  --about-ivory: var(--cs-ivory);
  --about-mist: var(--cs-mist);
  --about-bg: var(--cs-bg);
  --about-bg-raised: var(--cs-bg-raised);
  --about-bg-wine: var(--cs-bg-wine);
  --about-bg-brown: var(--cs-bg-brown);
  --about-jade: var(--cs-jade);
  --about-serif: var(--cs-font-serif);
  --about-sans: var(--cs-font-sans);
  --about-num: var(--cs-font-num);
  --about-ease: var(--cs-ease);
  position: relative;
  background-color: var(--about-bg);
  color: var(--about-ivory);
  overflow-x: clip;
}

.page-about .cs-breadcrumb {
  padding-block: 16px;
  font-family: var(--about-sans);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--about-mist);
}

.page-about .cs-breadcrumb a {
  color: var(--about-mist);
  text-decoration: none;
  transition: color 320ms var(--about-ease);
}

.page-about .cs-breadcrumb a:hover,
.page-about .cs-breadcrumb a:focus-visible {
  color: var(--about-gold);
}

.page-about .cs-breadcrumb [aria-current="page"] {
  color: var(--about-ivory);
}

.page-about .cs-breadcrumb__sep {
  margin-inline: 8px;
  color: var(--about-gold-line);
}

.page-about .about-archive {
  position: relative;
  max-width: var(--cs-container-w);
  margin-inline: auto;
  padding-inline: var(--cs-gutter);
  padding-block-end: 72px;
}

.page-about .about-archive::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(212, 175, 55, .055) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .6;
}

.page-about .about-archive > * {
  position: relative;
  z-index: 1;
}

.page-about .about-main {
  min-width: 0;
}

.page-about .about-aside {
  display: none;
}

.page-about .about-mobile-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0 18px;
  scrollbar-width: none;
  margin-inline: -2px;
}

.page-about .about-mobile-index::-webkit-scrollbar {
  display: none;
}

.page-about .about-mobile-index a {
  flex-shrink: 0;
  font-family: var(--about-sans);
  font-size: 13px;
  color: var(--about-mist);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--about-gold-soft);
  border-radius: 999px;
  white-space: nowrap;
  transition: color 320ms var(--about-ease), border-color 320ms var(--about-ease), background-color 320ms var(--about-ease);
}

.page-about .about-mobile-index a:hover,
.page-about .about-mobile-index a:focus-visible {
  color: var(--about-ivory);
  border-color: var(--about-gold-line);
  background-color: rgba(212, 175, 55, .1);
}

.page-about .about-hero {
  position: relative;
  z-index: 0;
  padding-block: clamp(40px, 7vw, 88px) clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--about-gold-soft);
}

.page-about .about-hero::before {
  content: "財";
  position: absolute;
  right: -12px;
  top: 8px;
  z-index: -1;
  font-family: var(--about-serif);
  font-size: clamp(96px, 18vw, 220px);
  line-height: 1;
  color: rgba(212, 175, 55, .05);
  pointer-events: none;
  user-select: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--about-gold-line) 30%, transparent);
  opacity: .55;
}

.page-about .about-hero > * {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__eyebrow {
  font-family: var(--about-num);
  font-size: 12px;
  letter-spacing: .38em;
  text-transform: uppercase;
  color: var(--about-gold);
  margin-bottom: 18px;
}

.page-about .about-hero h1 {
  font-family: var(--about-serif);
  font-size: clamp(32px, 5.4vw, 64px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: .02em;
  color: var(--about-ivory);
  margin: 0 0 20px;
  text-shadow: 0 2px 24px rgba(244, 196, 48, .08);
}

.page-about .about-hero__lead {
  max-width: 660px;
  font-family: var(--about-sans);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.75;
  color: var(--about-mist);
  margin: 0 0 36px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 540px;
  margin: 0;
}

.page-about .about-hero__stat {
  padding: 16px 0;
  border-top: 1px solid var(--about-gold-soft);
}

.page-about .about-hero__stat dt {
  font-family: var(--about-sans);
  font-size: 12px;
  color: var(--about-mist);
  letter-spacing: .1em;
  margin-bottom: 6px;
}

.page-about .about-hero__stat dd {
  font-family: var(--about-num);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 700;
  color: var(--about-gold);
  margin: 0;
}

.page-about .about-section {
  position: relative;
  padding-block: clamp(40px, 6.5vw, 72px);
}

.page-about .about-section + .about-section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--about-gold-line), transparent);
  opacity: .35;
}

.page-about .about-section__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.page-about .about-section__index {
  flex-shrink: 0;
  min-width: 46px;
  font-family: var(--about-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--about-gold-line);
}

.page-about .about-section__kicker {
  font-family: var(--about-num);
  font-size: 11px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--about-gold);
  margin: 0 0 6px;
}

.page-about .about-section__heading h2 {
  font-family: var(--about-serif);
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1.28;
  color: var(--about-ivory);
  margin: 0;
}

.page-about .about-section__intro {
  max-width: 780px;
  font-family: var(--about-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-mist);
  margin: 20px 0 0;
}

.page-about .about-figure {
  margin: 28px 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--cs-radius);
  border: 1px solid var(--about-gold-soft);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .3);
}

.page-about .about-origin__text p {
  font-family: var(--about-sans);
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-mist);
  margin: 0 0 18px;
}

.page-about .about-origin__text a {
  color: var(--about-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--about-gold-line);
  transition: color 320ms var(--about-ease);
}

.page-about .about-origin__text a:hover {
  color: var(--about-ivory);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 2px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, var(--about-gold-line), var(--about-gold-soft) 65%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 54px;
  padding-bottom: 32px;
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 4px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  border: 2px solid var(--about-gold-line);
  background: var(--about-bg);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, .12);
}

.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--about-num);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--about-gold);
  margin-bottom: 6px;
}

.page-about .about-timeline__tag {
  display: inline-block;
  font-family: var(--about-sans);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--about-red);
  border: 1px solid rgba(230, 57, 70, .4);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 8px;
}

.page-about .about-timeline__card {
  background: var(--about-bg-raised);
  border: 1px solid rgba(212, 175, 55, .14);
  border-radius: 14px;
  padding: 18px 20px;
  transition: border-color 320ms var(--about-ease), transform 320ms var(--about-ease), background-color 320ms var(--about-ease);
}

.page-about .about-timeline__card:hover,
.page-about .about-timeline__card:focus-within {
  border-color: var(--about-gold-line);
  background-color: rgba(212, 175, 55, .06);
  transform: translateX(4px);
}

.page-about .about-timeline__card h3 {
  font-family: var(--about-serif);
  font-size: 18px;
  color: var(--about-ivory);
  margin: 0 0 6px;
}

.page-about .about-timeline__card p {
  margin: 0;
}

.page-about .about-timeline__card p:last-child {
  font-family: var(--about-sans);
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-mist);
}

.page-about .about-timeline__card a {
  color: var(--about-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--about-gold-line);
  transition: color 320ms var(--about-ease);
}

.page-about .about-timeline__card a:hover {
  color: var(--about-ivory);
}

.page-about .about-promises {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}

.page-about .about-promise {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--about-bg-raised), var(--about-bg));
  border: 1px solid rgba(212, 175, 55, .16);
  border-radius: var(--cs-radius);
  padding: 28px 24px;
  transition: border-color 320ms var(--about-ease), transform 320ms var(--about-ease);
}

.page-about .about-promise::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--about-red), var(--about-gold));
  opacity: .75;
}

.page-about .about-promise:hover,
.page-about .about-promise:focus-within {
  border-color: var(--about-gold-line);
  transform: translateY(-4px);
}

.page-about .about-promise__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--about-gold-soft);
  background: rgba(212, 175, 55, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.page-about .about-promise__glyph {
  font-family: var(--about-serif);
  font-size: 22px;
  color: var(--about-gold);
}

.page-about .about-promise h3 {
  font-family: var(--about-serif);
  font-size: 20px;
  color: var(--about-ivory);
  margin: 0 0 10px;
}

.page-about .about-promise p {
  font-family: var(--about-sans);
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-mist);
  margin: 0;
}

.page-about .about-tech__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.page-about .about-tech__stat {
  position: relative;
  background: var(--about-bg-brown);
  border-radius: 14px;
  padding: 20px 14px 16px;
  text-align: center;
  border-bottom: 3px solid var(--about-gold-line);
  transition: transform 320ms var(--about-ease), box-shadow 320ms var(--about-ease);
}

.page-about .about-tech__stat:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .3);
}

.page-about .about-tech__stat::after {
  content: "";
  display: block;
  width: 68%;
  height: 6px;
  margin: 12px auto 0;
  background-image: repeating-linear-gradient(90deg, var(--about-gold-line) 0 1px, transparent 1px 4px);
  opacity: .5;
}

.page-about .about-tech__num {
  display: block;
  font-family: var(--about-num);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--about-gold);
}

.page-about .about-tech__unit {
  font-size: .55em;
  color: var(--about-ivory);
  margin-left: 2px;
}

.page-about .about-tech__label {
  display: block;
  font-family: var(--about-sans);
  font-size: 12px;
  color: var(--about-mist);
  letter-spacing: .08em;
  margin-top: 8px;
}

.page-about .about-tech__list {
  margin-top: 36px;
  padding: 26px 24px;
  background: rgba(123, 17, 19, .3);
  border: 1px solid rgba(230, 57, 70, .16);
  border-radius: var(--cs-radius);
}

.page-about .about-tech__list h3 {
  font-family: var(--about-serif);
  font-size: 18px;
  color: var(--about-ivory);
  margin: 0 0 16px;
}

.page-about .about-tech__list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-tech__list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--about-sans);
  font-size: 14px;
  line-height: 1.65;
  color: var(--about-ivory);
}

.page-about .about-tech__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--about-gold);
}

.page-about .about-sustain {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.page-about .about-sustain__text p {
  font-family: var(--about-sans);
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-mist);
  margin: 0 0 18px;
}

.page-about .about-sustain__text a {
  color: var(--about-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--about-gold-line);
  transition: color 320ms var(--about-ease);
}

.page-about .about-sustain__text a:hover {
  color: var(--about-ivory);
}

.page-about .about-sustain__figure {
  position: relative;
}

.page-about .about-sustain__figure::before,
.page-about .about-sustain__figure::after {
  content: "";
  position: absolute;
  z-index: 2;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--about-gold);
  box-shadow: 0 0 14px var(--about-gold);
  animation: about-glow 2.4s ease-in-out infinite alternate;
  pointer-events: none;
}

.page-about .about-sustain__figure::before {
  top: 24%;
  left: 30%;
}

.page-about .about-sustain__figure::after {
  bottom: 26%;
  right: 20%;
  background: var(--about-jade);
  box-shadow: 0 0 14px var(--about-jade);
  animation-delay: 1.2s;
}

@keyframes about-glow {
  from {
    opacity: .35;
    transform: scale(.8);
  }
  to {
    opacity: 1;
    transform: scale(1.25);
  }
}

@media (min-width: 640px) {
  .page-about .about-tech__stats {
    gap: 18px;
  }
  .page-about .about-tech__list ul {
    grid-template-columns: 1fr 1fr;
    column-gap: 24px;
  }
}

@media (min-width: 768px) {
  .page-about .about-promises {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-tech__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 960px) {
  .page-about .about-origin {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
    align-items: start;
  }
  .page-about .about-origin .about-figure {
    margin: 0;
  }
  .page-about .about-sustain {
    grid-template-columns: 1fr 380px;
    gap: 44px;
    align-items: start;
  }
  .page-about .about-sustain__figure {
    margin: 0;
  }
}

@media (min-width: 1024px) {
  .page-about .about-archive {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    padding-block-start: 12px;
  }
  .page-about .about-aside {
    display: block;
    padding-top: 24px;
  }
  .page-about .about-aside__inner {
    position: sticky;
    top: 24px;
    background: var(--about-bg-raised);
    border: 1px solid var(--about-gold-soft);
    border-radius: var(--cs-radius);
    padding: 26px 20px 22px;
  }
  .page-about .about-aside__code {
    font-family: var(--about-num);
    font-size: 11px;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--about-gold);
    margin: 0 0 14px;
  }
  .page-about .about-aside__title {
    font-family: var(--about-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--about-ivory);
    margin: 0 0 22px;
    letter-spacing: .04em;
  }
  .page-about .about-aside__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 4px;
  }
  .page-about .about-aside__list a {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--about-sans);
    font-size: 14px;
    color: var(--about-mist);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 10px;
    transition: background-color 320ms var(--about-ease), color 320ms var(--about-ease);
  }
  .page-about .about-aside__list a:hover,
  .page-about .about-aside__list a:focus-visible {
    color: var(--about-ivory);
    background-color: rgba(212, 175, 55, .08);
  }
  .page-about .about-aside__num {
    font-family: var(--about-serif);
    font-size: 17px;
    color: var(--about-gold-line);
  }
  .page-about .about-mobile-index {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}