/* ============================================================
   About Us Page — Layout, Core Members, History, Dev Center,
   CTA, TOC Sidebar
   ============================================================ */

/* --- Content wrapper layout --- */
#about-content {
  padding: 0 40px;
}
.sjp-about-content-wrapper {
  display: flex;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.sjp-about-main {
  flex: 1;
  min-width: 0;
  max-width: 1280px;
  margin: 0 auto;
}

/* --- TOC Sidebar --- */
.sjp-about-toc {
  width: 200px;
  flex-shrink: 0;
  position: sticky;
  top: 80px;
  align-self: flex-start;
  padding: 140px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--sjp-bg-white);
  border-left: 1px solid var(--sjp-border-default);
  height: fit-content;
}

.sjp-about-toc__title {
  font-size: 12px;
  font-weight: 600;
  color: var(--sjp-text-tertiary);
  letter-spacing: 2px;
}

.sjp-about-toc__spacer {
  height: 8px;
}

.sjp-about-toc__link {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 400;
  color: var(--sjp-text-secondary);
  border-left: 3px solid transparent;
  border-radius: 0 4px 4px 0;
  transition: color .2s, border-color .2s;
}

.sjp-about-toc__link:hover {
  color: var(--sjp-accent-blue);
}

.sjp-about-toc__link.is-active {
  color: var(--sjp-accent-blue);
  font-weight: 600;
  border-left-color: var(--sjp-accent-blue);
}

.sjp-about-toc__top {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 12px 10px;
  font-size: 13px;
  color: var(--sjp-text-tertiary);
  border-top: 1px solid var(--sjp-border-default);
  transition: color .2s;
}

.sjp-about-toc__top:hover {
  color: var(--sjp-accent-blue);
}

/* --- Shared section header base --- */
.sjp-about-section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.sjp-about-section-header__label {
  font-size: 15px;
  font-weight: 600;
  color: var(--sjp-accent-blue);
  letter-spacing: 2px;
  font-family: var(--sjp-font-jp);
}

.sjp-about-section-header__title {
  font-size: 40px;
  font-weight: 700;
  color: var(--sjp-text-primary);
  font-family: var(--sjp-font-jp);
  margin: 0;
}

.sjp-about-section-header__line {
  display: block;
  width: 60px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--sjp-primary-blue) 0%, var(--sjp-accent-blue) 100%);
}

/* --- Shared section header (dark variant) --- */
.sjp-about-section-header__label--light {
  color: #93C5FD;
}

.sjp-about-section-header__title--white {
  color: #fff;
}

.sjp-about-section-header__line--light {
  background: linear-gradient(90deg, #60A5FA 0%, #93C5FD 100%);
}

.sjp-about-section-header__desc--light {
  color: #93C5FD;
  font-size: var(--sjp-body-size);
  text-align: center;
  font-family: var(--sjp-font-jp);
}

/* --- Core Members Section --- */
.sjp-about-members {
  background: linear-gradient(135deg, #0B1D4F 0%, #1E40AF 60%, #2563EB 100%);
  padding: 80px;
  scroll-margin-top: 84px;
}

.sjp-about-members__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.sjp-about-members__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  width: 100%;
  max-width: 1280px;
}

.sjp-about-members__card {
  display: flex;
  flex-direction: column;
}

.sjp-about-members__photo {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 12px;
  overflow: hidden;
  background: #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sjp-about-members__placeholder {
  width: 60%;
  height: 60%;
  opacity: 0.6;
}

.sjp-about-members__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding-top: 12px;
  text-align: center;
}

.sjp-about-members__role {
  font-size: 12px;
  font-weight: 500;
  color: #93C5FD;
  font-family: var(--sjp-font-jp);
}

.sjp-about-members__name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  font-family: var(--sjp-font-jp);
}

.sjp-about-members__en {
  font-size: 12px;
  color: #94A3B8;
  font-family: var(--sjp-font-jp);
}

/* --- Company History Section --- */
.sjp-about-history {
  background: var(--sjp-bg-gray);
  padding: 80px;
  scroll-margin-top: 84px;
}

.sjp-about-history__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.sjp-about-timeline {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 900px;
}

.sjp-about-timeline__item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
}

.sjp-about-timeline__year {
  width: 120px;
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
}

.sjp-about-timeline__year span {
  font-size: 28px;
  font-weight: 700;
  color: var(--sjp-primary-blue);
  font-family: var(--sjp-font-jp);
}

.sjp-about-timeline__dot {
  width: 24px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sjp-about-timeline__circle {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--sjp-accent-blue);
  border: 3px solid var(--sjp-bg-blue-subtle, #EFF6FF);
  flex-shrink: 0;
}

.sjp-about-timeline__circle--large {
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--sjp-primary-blue) 0%, var(--sjp-accent-blue) 100%);
}

.sjp-about-timeline__line {
  width: 2px;
  flex: 1;
  min-height: 60px;
  background: var(--sjp-border-default);
}

.sjp-about-timeline__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 8px;
}

.sjp-about-timeline__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--sjp-text-primary);
  font-family: var(--sjp-font-jp);
  margin: 0;
}

.sjp-about-timeline__desc {
  font-size: 16px;
  color: var(--sjp-text-secondary);
  line-height: 1.6;
  font-family: var(--sjp-font-jp);
  margin: 0;
}

/* --- Shared table styles (used by Company Overview & Dev Center) --- */
.sjp-about-table {
  border-radius: 16px;
  border: 1px solid var(--sjp-border-default);
  overflow: hidden;
  width: 100%;
}

.sjp-about-table__row {
  display: flex;
  padding: 20px 24px;
  gap: 16px;
  background: var(--sjp-bg-white);
  border-bottom: 1px solid var(--sjp-border-default);
  align-items: flex-start;
}

.sjp-about-table__row--last {
  border-bottom: none;
}

.sjp-about-table__label {
  width: 150px;
  flex-shrink: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--sjp-text-primary);
  font-family: var(--sjp-font-jp);
}

.sjp-about-table__value {
  flex: 1;
  font-size: var(--sjp-body-size);
  color: var(--sjp-text-secondary);
  font-family: var(--sjp-font-jp);
  line-height: var(--sjp-line-body);
}

.sjp-about-table__value p {
  margin: 0;
}

.sjp-about-table__value a {
  color: var(--sjp-accent-blue);
}

/* --- Development Center Section --- */
.sjp-about-devcenter {
  background: var(--sjp-bg-gray);
  padding: 80px;
  scroll-margin-top: 84px;
}

.sjp-about-devcenter__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

/* --- CTA Section --- */
.sjp-about-cta {
  position: relative;
  height: 320px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sjp-about-cta__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0B1D4F 0%, #1E40AF 50%, #2563EB 100%);
}

.sjp-about-cta__decor {
  position: absolute;
  border-radius: 50%;
}

.sjp-about-cta__decor--right {
  width: 300px;
  height: 300px;
  top: -80px;
  right: -40px;
  background: #3B82F633;
  opacity: 0.3;
}

.sjp-about-cta__decor--left {
  width: 250px;
  height: 250px;
  bottom: -50px;
  left: -50px;
  background: #1E40AF44;
  opacity: 0.3;
}

.sjp-about-cta__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 0 80px;
  width: 100%;
  max-width: 1440px;
}

.sjp-about-cta__label {
  font-size: 15px;
  font-weight: 600;
  color: #93C5FD;
  letter-spacing: 2px;
  font-family: var(--sjp-font-jp);
}

.sjp-about-cta__title {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  font-family: var(--sjp-font-jp);
  margin: 0;
}

.sjp-about-cta__desc {
  font-size: 18px;
  color: #CBD5E1;
  font-family: var(--sjp-font-jp);
  margin: 0;
}

.sjp-about-cta__btns {
  display: flex;
  gap: 16px;
  padding-top: 8px;
}

.sjp-about-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  font-family: var(--sjp-font-jp);
  transition: transform .2s, box-shadow .2s;
}

.sjp-about-cta__btn:hover {
  transform: translateY(-2px);
}

.sjp-about-cta__btn--primary {
  background: #fff;
  color: var(--sjp-primary-blue);
  box-shadow: 0 4px 20px rgba(255, 255, 255, .25);
}

.sjp-about-cta__btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, .8);
  font-weight: 500;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  #about-content { padding: 0 32px; }

  .sjp-about-toc {
    display: none;
  }

  .sjp-about-members {
    padding: 60px 24px;
  }

  .sjp-about-members__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sjp-about-history {
    padding: 60px 24px;
  }

  .sjp-about-timeline__year {
    width: 80px;
  }

  .sjp-about-timeline__year span {
    font-size: 22px;
  }

  .sjp-about-devcenter {
    padding: 60px 24px;
  }

  .sjp-about-table__row {
    flex-direction: column;
    gap: 8px;
  }

  .sjp-about-table__label {
    width: auto;
  }

  .sjp-about-cta {
    height: auto;
    padding: 60px 24px;
  }

  .sjp-about-cta__title {
    font-size: 28px;
    text-align: center;
  }

  .sjp-about-cta__desc {
    text-align: center;
    font-size: 16px;
  }

  .sjp-about-cta__btns {
    flex-direction: column;
    width: 100%;
    align-items: center;
  }
}

@media (max-width: 768px) {
  #about-content { padding: 0 20px; }

  /* Section header — Pencil: label 13px, title 22px, gap 10 */
  .sjp-about-section-header { gap: 10px; }
  .sjp-about-section-header__label { font-size: 13px; }
  .sjp-about-section-header__title { font-size: 22px; }
  .sjp-about-section-header__desc--light { font-size: 14px; }

  /* Section spacing — Pencil padding [32,20], inner gap 24 */
  .sjp-about-members,
  .sjp-about-history,
  .sjp-about-devcenter { padding: 32px 20px; }
  .sjp-about-members__inner,
  .sjp-about-history__inner,
  .sjp-about-devcenter__inner { gap: 24px; }

  /* Core Members — Pencil: 2 cols, photo 180px, radius 10, gap 12 */
  .sjp-about-members__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: none;
  }
  .sjp-about-members__photo { aspect-ratio: auto; height: 180px; border-radius: 10px; }
  .sjp-about-members__info { padding-top: 8px; }

  /* Table — Pencil: radius 12, stacked rows, 14px text, padding 16 */
  .sjp-about-table { border-radius: 12px; }
  .sjp-about-table__row {
    flex-direction: column;
    gap: 4px;
    padding: 16px;
  }
  .sjp-about-table__label { width: auto; font-size: 14px; }
  .sjp-about-table__value { font-size: 14px; line-height: 1.6; }

  /* Timeline — Pencil keeps year | dot+line | content (dots visible) */
  .sjp-about-timeline__item {
    flex-direction: row;
    gap: 12px;
    padding: 16px 0;
  }
  .sjp-about-timeline__year { width: auto; }
  .sjp-about-timeline__year span { font-size: 22px; }
  .sjp-about-timeline__dot { display: flex; }
  .sjp-about-timeline__title { font-size: 15px; }
  .sjp-about-timeline__desc { font-size: 13px; }

  /* CTA — Pencil: 150deg gradient, title 22px, label 13px, desc 14px */
  .sjp-about-cta { height: auto; min-height: 320px; padding: 48px 24px; }
  .sjp-about-cta__bg {
    background: linear-gradient(150deg, #0B1D4F 0%, #1E40AF 50%, #2563EB 100%);
  }
  .sjp-about-cta__label { font-size: 13px; }
  .sjp-about-cta__title { font-size: 22px; text-align: center; }
  .sjp-about-cta__desc { font-size: 14px; text-align: center; }
  .sjp-about-cta__btns {
    flex-direction: column;
    width: 100%;
    align-items: center;
  }
  .sjp-about-cta__btn {
    width: 100%;
    justify-content: center;
    font-size: 15px;
    padding: 14px 24px;
  }
}