.part {
  color: var(--navy);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(244, 247, 251, 0.92) 18rem, var(--page) 32rem),
    url("../assets/login-bg-clean.png") right -8rem top / 46rem auto no-repeat;
}

.part-hero {
  padding: 3.4rem 0 1.2rem;
}
.part-hero .kicker {
  margin: 0 0 0.55rem;
  color: var(--cyan);
  font-family: var(--display);
  font-weight: 650;
  letter-spacing: 0.01em;
}
.part-hero h1 {
  margin: 0;
  max-width: 16ch;
  color: var(--navy);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.02;
  font-size: clamp(2.7rem, 5vw, 4.1rem);
}
.part-lead {
  margin: 1.15rem 0 0.45rem;
  max-width: 38rem;
  font-family: var(--display);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.part-hero .part-intro {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1.55;
}

.part-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}
.part-jump a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.4rem;
  padding: 0.2rem 0.85rem 0.2rem 0.35rem;
  border: 1px solid rgba(13, 27, 42, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--navy);
  font-family: var(--display);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(13, 27, 42, 0.05);
}
.part-jump a:hover { border-color: #1d6fe8; color: #1d6fe8; }
.part-jump b {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 999px;
  background: #e8f2ff;
  color: #1d6fe8;
  font-size: 0.78rem;
}

.part-ways {
  display: grid;
  gap: 1.15rem;
  padding: 1.4rem 0 0.4rem;
}
.part-way {
  display: grid;
  grid-template-columns: minmax(16rem, 1.05fr) minmax(16rem, 0.95fr);
  gap: 2.2rem;
  align-items: center;
  padding: 1.35rem;
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 40px rgba(13, 27, 42, 0.06);
}
.part-way.is-flip { grid-template-columns: minmax(16rem, 0.95fr) minmax(16rem, 1.05fr); }
.part-way.is-flip .part-visual { order: 2; }
.part-way:nth-child(2) { background: linear-gradient(180deg, #fff 0%, #f3f8ff 100%); }
.part-way:nth-child(4) { background: linear-gradient(180deg, #fff 0%, #f4fbf8 100%); }

.part-visual {
  border-radius: 1.15rem;
  overflow: hidden;
  background: #f7fbff;
  min-height: 16rem;
}
.part-visual img {
  display: block;
  width: 100%;
  height: 22rem;
  object-fit: cover;
  object-position: center;
}
.part-visual.is-flat { background: #f7fbff; }
.part-visual.is-flat img { object-fit: contain; object-position: center; background: #f7fbff; }
.part-visual.is-poster { background: #fffaf6; }
.part-visual.is-poster img { object-fit: contain; height: 24rem; background: #fffaf6; }

.part-step {
  margin: 0 0 0.35rem;
  color: #1d6fe8;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
}
.part-copy h2 {
  margin: 0 0 0.55rem;
  color: var(--navy);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  font-size: clamp(1.7rem, 2.4vw, 2.15rem);
}
.part-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.14rem;
  line-height: 1.55;
}
.part-copy .btn-fill { margin-top: 1.05rem; }

.part-close {
  margin: 1.4rem 0 3.2rem;
  padding: 2.2rem 2rem;
  border-radius: 1.6rem;
  background:
    radial-gradient(420px 180px at 8% 0%, rgba(20, 148, 196, 0.35), transparent 70%),
    var(--navy);
  color: #fff;
  text-align: center;
}
.part-close strong {
  display: block;
  margin: 0 auto 0.7rem;
  max-width: 28rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  font-size: clamp(1.55rem, 2.6vw, 2.05rem);
}
.part-close p {
  margin: 0 auto;
  max-width: 38rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.12rem;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .part-hero { padding-top: 2.2rem; }
  .part-way,
  .part-way.is-flip { grid-template-columns: 1fr; gap: 1rem; }
  .part-way.is-flip .part-visual { order: 0; }
  .part-visual img,
  .part-visual.is-poster img { height: 16rem; }
  .part-close { padding: 1.6rem 1.15rem; }
}