.article-main {
  width: var(--page);
  margin: 0 auto;
  padding: clamp(54px, 7vw, 106px) 0 clamp(76px, 10vw, 140px);
}

.article-hero {
  max-width: 1120px;
  padding-bottom: clamp(40px, 5vw, 66px);
  border-bottom: 1px solid var(--line);
}

.article-label {
  margin: 0 0 18px;
  color: var(--rust);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.article-hero h1 {
  max-width: 11em;
  margin: 0;
  font-size: clamp(2.8rem, 5.2vw, 5.2rem);
  font-weight: 850;
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.article-intro {
  max-width: 46em;
  margin: 32px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.9;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.article-meta span + span::before {
  content: "/";
  margin-right: 24px;
  color: var(--line-strong);
}

.article-cover {
  margin: clamp(40px, 6vw, 72px) 0 0;
}

.article-cover img {
  width: min(100%, 760px);
  height: auto;
  aspect-ratio: 1080 / 500;
  max-height: 620px;
  object-fit: cover;
  object-position: center 35%;
  box-shadow: var(--shadow);
}

.article-cover figcaption,
.article-inline-figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 1fr);
  gap: clamp(48px, 8vw, 130px);
  align-items: start;
  margin-top: clamp(58px, 8vw, 110px);
}

.article-toc {
  position: sticky;
  top: 118px;
  padding-top: 17px;
  border-top: 1px solid var(--line-strong);
}

.article-toc p {
  margin: 0 0 16px;
  color: var(--rust);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.article-toc a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  text-decoration: none;
}

.article-toc a:hover {
  color: var(--rust);
}

.article-body {
  min-width: 0;
}

.article-body > section > .article-lead {
  max-width: 40em;
  margin: 0 0 54px;
  padding-left: 22px;
  border-left: 3px solid var(--rust);
  color: var(--ink-soft);
  font-size: clamp(19px, 1.8vw, 25px);
  line-height: 1.75;
}

.article-body h2 {
  margin: clamp(64px, 7vw, 104px) 0 22px;
  font-size: clamp(2rem, 3.4vw, 3.6rem);
  font-weight: 850;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.article-body h2 span {
  display: inline-block;
  margin-right: 14px;
  color: var(--rust);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  vertical-align: 0.12em;
}

.article-body p {
  max-width: 44em;
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.95;
}

.article-body p strong {
  color: var(--ink);
}

.article-inline-figure {
  width: min(100%, 520px);
  margin: 54px 0;
}

.article-inline-figure img {
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: cover;
  object-position: top;
  box-shadow: var(--shadow);
}

.article-keypoint {
  margin: clamp(60px, 7vw, 92px) 0;
  padding: clamp(27px, 4vw, 48px);
  background: var(--moss);
  color: var(--cream);
}

.article-keypoint p {
  margin: 0 0 8px;
  color: var(--moss-light);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.article-keypoint strong {
  display: block;
  color: var(--cream);
  font-size: clamp(1.8rem, 3.2vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.2;
}

.check-table {
  margin-top: 26px;
  border-top: 1px solid var(--line-strong);
}

.check-table > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.check-table strong {
  color: var(--ink);
  font-size: 14px;
}

.check-table span {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.article-faq {
  margin-top: clamp(68px, 8vw, 110px);
}

.article-faq h2 {
  margin-top: 0;
}

.article-contact {
  margin-top: clamp(32px, 4vw, 54px);
}

@media (max-width: 820px) {
  .article-main {
    padding-top: 42px;
  }

  .article-hero h1 {
    font-size: clamp(2.9rem, 11.2vw, 5rem);
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 46px;
  }

  .article-toc {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 18px;
    padding-top: 14px;
  }

  .article-toc p {
    grid-column: 1 / -1;
  }

  .article-toc a {
    border-top: 1px solid var(--line);
    font-size: 11px;
  }

  .article-cover img {
    width: 100%;
    max-height: none;
  }

  .check-table > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .article-contact {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .article-main {
    padding-top: 34px;
  }

  .article-hero h1 {
    font-size: clamp(2rem, 8.6vw, 3rem);
    line-height: 1.08;
  }

  .desktop-break {
    display: none;
  }

  .article-intro {
    margin-top: 24px;
    font-size: 15px;
  }

  .article-meta {
    display: grid;
    gap: 6px;
  }

  .article-meta span + span::before {
    display: none;
  }

  .article-body > section > .article-lead {
    margin-bottom: 42px;
    padding-left: 16px;
    font-size: 18px;
  }

  .article-body p {
    font-size: 15px;
    line-height: 1.9;
  }

  .article-body h2 {
    margin-top: 56px;
    font-size: 2rem;
  }

  .article-body h2 span {
    display: block;
    margin: 0 0 7px;
  }

  .article-inline-figure {
    margin: 42px 0;
  }
}



.article-related {
  margin: clamp(54px, 7vw, 84px) 0;
  padding: 22px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.article-related p {
  flex: 0 0 auto;
  margin: 0;
  color: var(--rust);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.article-related a {
  color: var(--ink);
  font-size: 15px;
  font-weight: 750;
  line-height: 1.6;
  text-decoration: none;
}

.article-related a:hover {
  color: var(--rust);
}

.article-related a span {
  margin-left: 10px;
  color: var(--rust);
  font-size: 11px;
  font-weight: 700;
}

@media (max-width: 560px) {
  .article-related {
    display: grid;
    gap: 9px;
  }
}