.knowhow-page {
  background: #ffffff;
}

.bi-hero {
  padding: 156px 0 82px;
  background: #eef3fb;
}

.bi-hero-inner {
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.12fr);
  gap: 72px;
  align-items: center;
}

.bi-mark {
  min-height: 330px;
  display: grid;
  place-items: center;
  position: relative;
}

.bi-logo-frame {
  width: min(430px, 100%);
}

.bi-logo-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.bi-copy h1 {
  margin: 14px 0 22px;
  color: #020817;
  font-size: clamp(27px, 3.3vw, 38px);
  font-weight: 800;
  line-height: 1.36;
}

.bi-copy h1 em,
.bi-meaning strong,
.profile-copy h2 em,
.promise-panel em {
  color: #2f86ff;
  font-style: normal;
}

.bi-meaning {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #6b7280;
  font-size: 20px;
  line-height: 1.5;
}

.bi-meaning span {
  display: inline-grid;
  width: 18px;
  height: 18px;
  margin-right: 8px;
  place-items: center;
  border: 1px solid #8a8f98;
  border-radius: 50%;
  color: #5f6673;
  font-size: 12px;
  font-weight: 900;
}

.profile-section {
  padding: 84px 0;
  background: #ffffff;
}

.profile-inner {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(360px, 470px);
  gap: 52px;
  align-items: center;
  justify-content: center;
  max-width: 862px;
  margin: 34px auto 0;
}

.profile-photo {
  justify-self: end;
  overflow: hidden;
  border-radius: 28px;
  background: #121212;
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.14);
}

.profile-career {
  justify-self: start;
  width: 100%;
}

.profile-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 0.72;
  object-fit: cover;
  object-position: center;
}

.profile-copy h2 {
  margin: 0;
  color: #020817;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
}

.profile-copy h2 em {
  font-weight: 700;
}

.career-block {
  margin-top: 0;
}

.career-block + .career-block {
  margin-top: 28px;
}

.career-block h3 {
  margin: 0 0 14px;
  color: #020817;
  font-size: 17px;
  font-weight: 900;
}

.career-block ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.career-block li {
  color: #111827;
  font-size: 16px;
  line-height: 1.6;
}

.promise-section {
  padding: 88px 0;
  background: #eef3fb;
}

.promise-panel {
  display: grid;
  justify-items: center;
  text-align: center;
}

.promise-panel img {
  width: 154px;
  height: 154px;
  border-radius: 24px;
  object-fit: contain;
  background: linear-gradient(135deg, #071d51 0%, #0b2560 100%);
  padding: 26px;
  box-sizing: border-box;
  box-shadow: 0 18px 42px rgba(8, 42, 120, 0.16);
}

.promise-panel h2 {
  margin: 26px 0 0;
  color: #020817;
  font-size: clamp(17px, 2.1vw, 22px);
  font-weight: 500;
  line-height: 1.55;
}

.promise-panel em {
  font-weight: 500;
}

.nav a[aria-current="page"] {
  color: #10367d;
  font-weight: 900;
}

.site-header .nav a {
  font-size: 16px;
}

.header-actions .nav-cta {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 12px;
  font-size: 13px;
}

@media (max-width: 980px) {
  .bi-hero-inner,
  .profile-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .bi-mark {
    min-height: 260px;
  }

  .bi-logo-frame {
    width: min(360px, 100%);
  }

  .bi-copy {
    text-align: center;
  }

  .bi-meaning {
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    text-align: left;
  }

  .profile-photo {
    width: min(420px, 100%);
    margin: 0 auto;
  }

  .header-actions .nav-cta {
    min-height: 38px;
    padding: 0 12px;
  }

  .site-header .nav a {
    font-size: 15px;
  }

}

@media (max-width: 620px) {
  .bi-hero {
    padding: 132px 0 58px;
  }

  .profile-section,
  .promise-section {
    padding: 58px 0;
  }

  .bi-mark {
    min-height: 220px;
  }

  .bi-logo-frame {
    width: min(286px, 100%);
  }

  .bi-copy h1 {
    font-size: 24px;
  }

  .bi-meaning {
    font-size: 16px;
  }

  .profile-copy h2 {
    font-size: 24px;
  }

  .promise-panel h2 {
    font-size: 17px;
  }

  .career-block li {
    font-size: 14px;
  }
}