.guide-index-page {
  background: linear-gradient(180deg, #f3f8fb 0, #fff 280px);
}

.guide-index-heading {
  max-width: 760px;
}

.guide-index-heading p {
  line-height: 1.9;
}

.guide-article-grid .article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.guide-article-grid .article-visual {
  height: auto;
  aspect-ratio: 3 / 2;
}

.guide-article-grid .article-body {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.guide-article-grid .article-body p {
  margin-bottom: 18px;
  line-height: 1.8;
}

.guide-card-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 7px;
  margin-top: auto;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 900;
}

.guide-page {
  padding: 0 0 96px;
  background: linear-gradient(180deg, #f3f8fb 0, #fff 520px);
}

.guide-header {
  overflow: hidden;
  margin-bottom: 34px;
  border: 1px solid #dce8ef;
  border-radius: 28px;
  background: #fff;
  box-shadow: var(--shadow);
}

.guide-header-copy {
  max-width: 900px;
  padding: 42px 48px 34px;
}

.guide-header h1 {
  max-width: 880px;
  margin: 12px 0 16px;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.35;
  letter-spacing: -.025em;
}

.guide-lead {
  max-width: 800px;
  margin: 0;
  color: #506b7e;
  font-size: 16px;
  line-height: 2;
}

.guide-date {
  margin: 17px 0 0;
  color: #8195a4;
  font-size: 11px;
}

.guide-hero {
  margin: 0;
  background: #dfeaf0;
}

.guide-hero img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.guide-content {
  width: min(850px, 100%);
  margin: 0 auto;
  padding: 46px 54px;
  border: 1px solid #e1eaf0;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  color: #2f4758;
  font-size: 16px;
  line-height: 2.05;
}

.guide-content > :first-child {
  margin-top: 0;
}

.guide-content h2 {
  margin: 52px 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid #dcecf5;
  color: var(--ink);
  font-size: 27px;
  line-height: 1.5;
}

.guide-content h3 {
  margin: 34px 0 12px;
  color: var(--blue-dark);
  font-size: 20px;
  line-height: 1.55;
}

.guide-content p {
  margin: 0 0 22px;
}

.guide-content ul,
.guide-content ol {
  margin: 0 0 26px;
  padding-left: 1.5em;
}

.guide-content li {
  margin: 8px 0;
}

.guide-content strong {
  color: #163e5f;
}

.guide-tip,
.guide-caution,
.guide-summary,
.guide-source-note {
  margin: 30px 0;
  padding: 22px 24px;
  border-radius: 16px;
}

.guide-tip {
  border-left: 5px solid var(--blue);
  background: #edf7fd;
}

.guide-caution {
  border-left: 5px solid #e68a65;
  background: #fff4ed;
}

.guide-summary {
  border: 1px solid #d9e8df;
  background: #f1f8f3;
}

.guide-source-note {
  background: #f5f7f8;
  color: #617685;
  font-size: 13px;
  line-height: 1.85;
}

.guide-tip > :last-child,
.guide-caution > :last-child,
.guide-summary > :last-child,
.guide-source-note > :last-child {
  margin-bottom: 0;
}

.guide-content a {
  color: var(--blue-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.guide-back {
  width: min(850px, 100%);
  margin: 26px auto 0;
}

.guide-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue-dark);
  font-weight: 900;
}

@media (max-width: 700px) {
  .guide-page {
    padding-bottom: 62px;
  }

  .guide-header {
    border-radius: 20px;
  }

  .guide-header-copy {
    padding: 27px 22px 24px;
  }

  .guide-header h1 {
    font-size: 31px;
  }

  .guide-lead {
    font-size: 14px;
    line-height: 1.85;
  }

  .guide-content {
    padding: 28px 22px;
    border-radius: 19px;
    font-size: 15px;
    line-height: 1.95;
  }

  .guide-content h2 {
    margin-top: 42px;
    font-size: 23px;
  }

  .guide-content h3 {
    font-size: 18px;
  }

  .guide-tip,
  .guide-caution,
  .guide-summary,
  .guide-source-note {
    padding: 18px;
  }
}