.page-about {
  color: var(--sk-bone);
  overflow-x: hidden;
}

.page-about .about-crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 76px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -20%;
  width: 70vw;
  height: 70vw;
  max-width: 760px;
  max-height: 760px;
  background: radial-gradient(circle at 40% 40%, rgba(53, 242, 208, 0.10), rgba(7, 19, 31, 0) 62%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
}

.page-about .about-hero__title {
  margin: 10px 0 0;
  font-family: var(--sk-font-display);
  font-weight: 700;
  font-size: clamp(38px, 10vw, 82px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--sk-bone);
  overflow-wrap: anywhere;
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 40ch;
  color: var(--sk-mist);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
}

.page-about .about-hero__meta {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--sk-line);
  list-style: none;
}

.page-about .about-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--sk-mist);
}

.page-about .about-hero__meta .sk-mono {
  color: var(--sk-orange);
  font-size: 20px;
  min-width: 62px;
}

.page-about .about-hero__figure {
  margin: 0;
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--sk-ink-2), var(--sk-ink));
  box-shadow: 0 26px 60px var(--sk-shadow);
  transform: rotate(-1.2deg);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-sec {
  padding: clamp(36px, 6vw, 82px) 0;
  border-top: 1px solid var(--sk-line);
}

.page-about .about-row {
  display: grid;
  gap: 22px;
}

.page-about .about-row__index {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-row__num {
  font-size: 26px;
  line-height: 1;
  color: var(--sk-cyan);
}

.page-about .about-row__label {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--sk-mist);
}

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

.page-about .about-subtitle {
  margin: 0 0 18px;
  font-family: var(--sk-font-display);
  font-weight: 600;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--sk-bone);
  overflow-wrap: anywhere;
}

.page-about .about-p {
  margin: 0 0 16px;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sk-mist);
}

.page-about .about-statement {
  margin: 24px 0 20px;
  padding-left: 16px;
  border-left: 3px solid var(--sk-cyan);
  font-family: var(--sk-font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--sk-bone);
}

.page-about .about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-users {
  display: grid;
  gap: 14px;
}

.page-about .about-user {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid var(--sk-line);
  border-left: 3px solid var(--sk-moss);
  border-radius: var(--sk-radius-sm);
  background: linear-gradient(160deg, rgba(18, 40, 54, 0.9), rgba(7, 19, 31, 0.6));
  transition: transform var(--sk-fast) var(--sk-ease), border-color var(--sk-fast) var(--sk-ease), box-shadow var(--sk-fast) var(--sk-ease);
}

.page-about .about-user:nth-child(2n) {
  border-left-color: var(--sk-clay);
}

.page-about .about-user:hover,
.page-about .about-user:focus-within {
  transform: translateY(-2px);
  border-color: var(--sk-cyan);
  box-shadow: 0 12px 28px var(--sk-shadow);
}

.page-about .about-user__title {
  margin: 0 0 8px;
  font-family: var(--sk-font-display);
  font-weight: 600;
  font-size: 19px;
  color: var(--sk-bone);
}

.page-about .about-user__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sk-mist);
}

.page-about .about-user__link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sk-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.45);
  padding-bottom: 2px;
}

.page-about .about-user__link:hover {
  border-bottom-color: var(--sk-cyan);
}

.page-about .about-work {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sk-line);
}

.page-about .about-work__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--sk-line);
}

.page-about .about-work__num {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sk-orange);
}

.page-about .about-work__title {
  margin: 0 0 6px;
  font-family: var(--sk-font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--sk-bone);
}

.page-about .about-work__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sk-mist);
}

.page-about .about-stock {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-stock__cell {
  padding: 14px 16px;
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius-sm);
  background: rgba(18, 40, 54, 0.55);
  font-size: 14px;
  color: var(--sk-mist);
}

.page-about .about-stock__num {
  display: block;
  margin-bottom: 4px;
  font-size: 24px;
  color: var(--sk-cyan);
}

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

.page-about .about-timeline {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--sk-line);
  margin-left: 4px;
}

.page-about .about-stage {
  position: relative;
  padding: 4px 0 26px 22px;
  transition: border-color var(--sk-fast) var(--sk-ease);
}

.page-about .about-stage::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sk-ink);
  border: 2px solid var(--sk-line);
  transition: border-color var(--sk-fast) var(--sk-ease), background var(--sk-fast) var(--sk-ease);
}

.page-about .about-stage:hover::before,
.page-about .about-stage:focus-within::before {
  border-color: var(--sk-orange);
  background: var(--sk-orange);
}

.page-about .about-stage__tag {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sk-clay);
}

.page-about .about-stage__title {
  margin: 0 0 8px;
  font-family: var(--sk-font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.6vw, 24px);
  color: var(--sk-bone);
}

.page-about .about-stage__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sk-mist);
}

.page-about .about-figure {
  margin: 24px 0 0;
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius);
  overflow: hidden;
  background: var(--sk-ink-2);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-netwrap {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .about-net {
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius);
  background: linear-gradient(140deg, rgba(18, 40, 54, 0.9), rgba(7, 19, 31, 0.7));
  padding: 10px;
}

.page-about .about-panel {
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius-sm);
  background: rgba(18, 40, 54, 0.5);
  padding: 14px 16px;
}

.page-about .about-panel + .about-panel {
  margin-top: 0;
}

.page-about .about-cta {
  padding: clamp(40px, 7vw, 88px) 0 clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--sk-line);
  background: linear-gradient(180deg, rgba(18, 40, 54, 0.65), rgba(7, 19, 31, 0));
}

.page-about .about-cta__title {
  margin: 0 0 24px;
  font-family: var(--sk-font-display);
  font-weight: 700;
  font-size: clamp(26px, 5vw, 46px);
  line-height: 1.14;
  color: var(--sk-bone);
  overflow-wrap: anywhere;
}

.page-about .about-cta__grid {
  display: grid;
  gap: 12px;
}

.page-about .about-door {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx name"
    "idx note";
  gap: 2px 14px;
  padding: 18px;
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius-sm);
  text-decoration: none;
  background: rgba(7, 19, 31, 0.5);
  transition: transform var(--sk-fast) var(--sk-ease), border-color var(--sk-fast) var(--sk-ease), background var(--sk-fast) var(--sk-ease);
}

.page-about .about-door:hover,
.page-about .about-door:focus-visible {
  transform: translateY(-2px);
  border-color: var(--sk-cyan);
  background: rgba(18, 40, 54, 0.85);
}

.page-about .about-door__idx {
  grid-area: idx;
  align-self: center;
  font-size: 20px;
  color: var(--sk-mist);
}

.page-about .about-door:hover .about-door__idx {
  color: var(--sk-cyan);
}

.page-about .about-door__name {
  grid-area: name;
  font-family: var(--sk-font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--sk-bone);
}

.page-about .about-door__note {
  grid-area: note;
  font-size: 13px;
  color: var(--sk-mist);
}

@media (min-width: 640px) {
  .page-about .about-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-hero__meta li {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }

  .page-about .about-hero__meta .sk-mono {
    min-width: 0;
  }

  .page-about .about-users {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-work {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }

  .page-about .about-work__item {
    border-bottom: 1px solid var(--sk-line);
  }

  .page-about .about-stock {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-cta__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-netwrap {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-net {
    grid-row: span 2;
  }
}

@media (min-width: 900px) {
  .page-about .about-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(26px, 4vw, 64px);
  }

  .page-about .about-row__index {
    flex-direction: column;
    gap: 8px;
    align-self: start;
    position: sticky;
    top: 110px;
    padding-right: 18px;
    border-right: 1px solid var(--sk-line);
  }

  .page-about .about-row__label {
    font-size: 12px;
  }

  .page-about .about-jump {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 14px;
  }

  .page-about .about-jump a {
    font-size: 12px;
    line-height: 1.5;
    color: var(--sk-mist);
    text-decoration: none;
    border-left: 1px solid var(--sk-line);
    padding-left: 8px;
    transition: color var(--sk-fast) var(--sk-ease), border-color var(--sk-fast) var(--sk-ease);
  }

  .page-about .about-jump a:hover,
  .page-about .about-jump a:focus-visible {
    color: var(--sk-cyan);
    border-left-color: var(--sk-cyan);
  }

  .page-about .about-hero__title {
    font-size: clamp(56px, 7vw, 82px);
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-about .about-hero__figure {
    transform: rotate(-1.6deg) translateY(-6px);
  }

  .page-about .about-timeline {
    border-left-color: var(--sk-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-user,
  .page-about .about-door,
  .page-about .about-hero__figure {
    transition: none;
  }

  .page-about .about-user:hover,
  .page-about .about-door:hover,
  .page-about .about-user:focus-within {
    transform: none;
  }
}