.welcome-course {
  padding: 96px clamp(22px, 7vw, 110px);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.welcome-heading {
  max-width: 1500px;
  margin: 0 auto 42px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 70px;
  align-items: end;
}
.welcome-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1;
  letter-spacing: -0.045em;
  max-width: 780px;
}
.welcome-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  max-width: 620px;
}
.welcome-callout {
  max-width: 1500px;
  margin: 0 auto 22px;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  align-items: center;
  background: linear-gradient(110deg, var(--navy), #0d4168);
  color: #fff;
  border-radius: 12px;
}
.welcome-callout span {
  color: #79e0eb;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
}
.welcome-callout p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
}
.response-standard {
  max-width: 1500px;
  margin: 0 auto 22px;
  padding: 28px;
  background: #fff7e7;
  border: 1px solid #f0cf83;
  border-radius: 12px;
}
.response-standard-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 22px;
}
.response-standard-heading span {
  color: #975a00;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.response-standard-heading h3 {
  margin: 0;
  color: var(--navy);
  font-size: 25px;
  letter-spacing: -0.02em;
}
.response-standard-rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.response-standard-rules > div {
  padding: 20px;
  background: #fff;
  border: 1px solid #edd9aa;
  border-radius: 8px;
}
.response-standard-rules strong {
  display: block;
  color: #9b5b00;
  font-size: 19px;
  margin-bottom: 8px;
}
.response-standard-rules p {
  margin: 0;
  color: #5d4c31;
  line-height: 1.6;
}
.update-standard {
  max-width: 1500px;
  margin: 0 auto 22px;
  padding: 26px;
  background: #eaf5ff;
  border: 1px solid #b8d8f7;
  border-radius: 12px;
}
.update-standard > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.update-standard span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
}
.update-standard h3 {
  margin: 0;
  color: var(--navy);
  font-size: 24px;
}
.update-standard ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  padding: 0;
  list-style: none;
}
.update-standard li {
  padding: 14px;
  background: #fff;
  border-radius: 8px;
  color: var(--muted);
  line-height: 1.45;
}
.update-standard li b {
  display: block;
  color: var(--navy);
  margin-bottom: 4px;
}
.update-standard > p {
  margin: 12px 0 0;
  color: #294862;
}
.expectation-grid {
  max-width: 1500px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.expectation-grid article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 25px;
  background: #f7fafc;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.expectation-grid article > span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #e7f2fe;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}
.expectation-grid h3 {
  margin: 2px 0 8px;
  color: var(--navy);
  font-size: 19px;
}
.expectation-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.ready-panel {
  max-width: 1500px;
  margin: 22px auto 0;
  padding: 30px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
  background: #e3f7f8;
  border-left: 5px solid var(--cyan);
  border-radius: 10px;
}
.ready-panel > div {
  max-width: 890px;
}
.ready-panel small {
  color: #147a86;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.ready-panel h3 {
  margin: 7px 0 8px;
  color: var(--navy);
  font-size: 25px;
}
.ready-panel p {
  margin: 0;
  color: #456272;
  line-height: 1.6;
}
.ready-panel .primary {
  white-space: nowrap;
}
@media (max-width: 850px) {
  .update-standard ol {
    grid-template-columns: 1fr;
  }
  .update-standard > div {
    align-items: flex-start;
    flex-direction: column;
  }
  .welcome-heading,
  .expectation-grid,
  .response-standard-rules {
    grid-template-columns: 1fr;
  }
  .welcome-heading {
    gap: 24px;
  }
  .welcome-callout {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .response-standard-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .ready-panel {
    align-items: flex-start;
    flex-direction: column;
  }
  .welcome-course {
    padding-top: 70px;
    padding-bottom: 70px;
  }
}
@media (max-width: 500px) {
  .welcome-course {
    padding: 58px 18px;
  }
  .welcome-callout,
  .ready-panel {
    padding: 24px 20px;
  }
  .expectation-grid article {
    grid-template-columns: 40px 1fr;
    padding: 20px 16px;
    gap: 12px;
  }
  .expectation-grid article > span {
    width: 36px;
    height: 36px;
  }
  .ready-panel .primary {
    width: 100%;
    justify-content: space-between;
  }
}