#section-4.home-section {
  position: relative;
  display: block;
  min-height: auto;
  padding: clamp(80px, 8vw, 160px) 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-size: initial;
  font-weight: 400;
  line-height: normal;
  text-align: center;
}

.section-4__title {
  margin: 0 0 clamp(48px, 5vw, 96px);
  color: var(--text);
  font-size: clamp(32px, 3.8vw, 64px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
}

.section-4__title-brand {
  display: inline-block;
  background: linear-gradient(135deg, var(--text) 0%, var(--main) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section-4__swiper {
  width: 100%;
  overflow: visible;
  padding-top: clamp(60px, 5vw, 80px);
  padding-bottom: clamp(36px, 4vw, 76px);
}

.section-4__swiper .swiper-slide {
  width: auto;
}

.section-4__card {
  position: relative;
  box-sizing: border-box;
  width: clamp(560px, 42.7vw, 920px);
  height: auto;
  aspect-ratio: 820 / 390;
  padding: clamp(28px, 2.4vw, 48px);
  overflow: visible;
  border: 1px solid rgba(10,20,40,.04);
  border-radius: clamp(20px, 1.6vw, 32px);
  background: #F8FAFDE6;
  box-shadow: 0 6px 18px rgba(10,20,40,.04);
  transform: scale(.92);
  transition: transform .6s var(--ease), background .6s var(--ease), box-shadow .6s var(--ease);
  text-align: left;
}

.section-4__swiper .swiper-slide-active .section-4__card,
.section-4__swiper .swiper-slide-duplicate-active .section-4__card {
  background: linear-gradient(135deg, #E8F0FF 0%, #DCEBFF 50%, #D5E4FF 100%);
  box-shadow: 0 24px 60px rgba(47,102,255,.10), 0 4px 14px rgba(10,20,40,.04);
  transform: scale(1);
}

.section-4__card-watermark {
  position: absolute;
  right: clamp(16px, 1.6vw, 28px);
  bottom: 0;
  z-index: 0;
  color: rgba(10,20,40,.04);
  font-size: clamp(60px, 7vw, 110px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  transition: color .5s var(--ease);
}

.section-4__swiper .swiper-slide-active .section-4__card-watermark,
.section-4__swiper .swiper-slide-duplicate-active .section-4__card-watermark {
  color: rgba(47,102,255,.08);
}

.section-4__card-avatar {
  position: absolute;
  top: clamp(-44px, -2.6vw, -32px);
  right: clamp(28px, 2vw, 44px);
  z-index: 3;
  width: clamp(80px, 6vw, 110px);
  height: clamp(80px, 6vw, 110px);
  overflow: hidden;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 6px 20px rgba(10,20,40,.08), 0 2px 6px rgba(10,20,40,.04);
}

.section-4__card-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-4__card-title {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(16px, 1.4vw, 24px);
  padding-right: clamp(76px, 7vw, 124px);
}

.section-4__card-industry,
.section-4__card-role,
.section-4__card-quote {
  margin: 0;
  letter-spacing: 0;
}

.section-4__card-industry {
  color: var(--text);
  font-size: clamp(16px, 1.3vw, 22px);
  font-weight: 600;
  line-height: 1.35;
  transition: color .5s var(--ease);
}

.section-4__swiper .swiper-slide-active .section-4__card-industry,
.section-4__swiper .swiper-slide-duplicate-active .section-4__card-industry {
  color: var(--main);
}

.section-4__card-role {
  margin-top: 6px;
  color: var(--text);
  font-size: clamp(14px, 1.05vw, 19px);
  font-weight: 500;
  line-height: 1.45;
}

.section-4__card-quote {
  position: relative;
  z-index: 2;
  color: var(--text);
  font-size: clamp(14px, 1.05vw, 18px);
  line-height: 1.65;
  opacity: .6;
  transition: opacity .5s var(--ease);
}

.section-4__swiper .swiper-slide-active .section-4__card-quote,
.section-4__swiper .swiper-slide-duplicate-active .section-4__card-quote {
  opacity: 1;
}

@media (max-width: 1023px) {
  #section-4.home-section {
    padding: clamp(60px, 14vw, 120px) 0;
  }

  .section-4__title {
    margin-bottom: clamp(36px, 9vw, 64px);
    font-size: clamp(26px, 7vw, 36px);
  }

  .section-4__swiper {
    padding-top: clamp(46px, 12vw, 68px);
    padding-bottom: clamp(26px, 8vw, 48px);
  }

  .section-4__card {
    width: 80vw;
    height: 72vw;
    aspect-ratio: auto;
    padding: clamp(24px, 6vw, 34px);
    border-radius: clamp(18px, 5vw, 24px);
  }

  .section-4__card-avatar {
    top: clamp(-34px, -8vw, -26px);
    right: clamp(20px, 6vw, 28px);
    width: clamp(68px, 18vw, 86px);
    height: clamp(68px, 18vw, 86px);
  }

  .section-4__card-title {
    margin-bottom: clamp(16px, 4vw, 22px);
    padding-right: clamp(72px, 22vw, 98px);
  }

  .section-4__card-industry {
    font-size: clamp(15px, 4vw, 18px);
  }

  .section-4__card-role {
    font-size: clamp(13px, 3.5vw, 16px);
  }

  .section-4__card-quote {
    font-size: clamp(12px, 3.3vw, 14px);
    line-height: 1.58;
  }

  .section-4__card-watermark {
    right: clamp(12px, 4vw, 20px);
    bottom: 0;
    max-width: calc(100% - clamp(32px, 8vw, 48px));
    overflow: hidden;
    font-size: clamp(28px, 9vw, 52px);
    letter-spacing: -0.02em;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .section-4__card {
    transition: none !important;
  }

  .section-4__card-quote,
  .section-4__card-industry,
  .section-4__card-watermark {
    transition: none !important;
  }
}
