.column-page {
  padding: calc(var(--header-h, 64px) + 24px) 0 52px;
  background: #f7f8fb;
}

.column-page__container {
  max-width: 820px;
}

.column-breadcrumb {
  margin-bottom: 24px;
  color: #5e6370;
  font-size: 13px;
}

.column-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.column-breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: #9a9faa;
}

.column-article {
  overflow: hidden;
  border: 1px solid #e2e4ea;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 7px 20px rgba(35, 38, 52, .05);
}

.column-hero {
  padding: 22px;
  border-bottom: 1px solid #e8eaf0;
}

.column-hero__eyebrow {
  margin: 0 0 10px;
  color: #1f5fbf;
  font-family: "Outfit", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
}

.column-hero h1 {
  display: block;
  margin: 0;
  color: #222;
  font-family: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
}

.column-hero h1 > span {
  display: block;
  margin-top: 2px;
  color: #222;
  font-size: 1em;
}

.column-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.column-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.column-tags li {
  padding: 5px 10px;
  border: 1px solid #d9dce3;
  border-radius: 999px;
  background: #f7f8fb;
  color: #4f5968;
  font-size: 12px;
  font-weight: 700;
}

.column-body {
  max-width: none;
  margin: 0;
  padding: 22px 22px 10px;
}

.column-body p,
.column-consult p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

.column-body p + p,
.column-consult p + p {
  margin-top: 6px;
}

.column-lead {
  font-size: 14px;
}

.column-toc {
  margin-top: 30px;
  padding: 20px 22px;
  border: 1px solid #dfe4eb;
  border-radius: 10px;
  background: #fafbfc;
}

.column-toc h2 {
  display: block;
  margin: 0 0 14px;
  color: #294e70;
  font-size: 20px;
  line-height: 1.5;
}

.column-toc h2::after,
.column-section h2::after,
.column-consult h2::after {
  display: none;
}

.column-toc ol {
  display: grid;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.column-toc a {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 8px;
  padding: 8px 4px;
  border-bottom: 1px solid #e8eaf0;
  color: #2d4054;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.column-toc li:last-child a {
  border-bottom: 0;
}

.column-toc a span {
  color: #1f5fbf;
  font-family: "Outfit", sans-serif;
  font-size: 12px;
  letter-spacing: .08em;
}

.column-principle {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 4px solid #4f6f8f;
  border-radius: 8px;
  background: #f4f7fb;
}

.column-principle p {
  font-weight: 600;
}

.column-section {
  padding-top: 46px;
  scroll-margin-top: calc(var(--header-h, 64px) + 18px);
}

.column-section h2 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid #d9e0e8;
  color: #294e70;
  font-size: 20px;
  line-height: 1.45;
}

.column-section h2 > span {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-top: 2px;
  border-radius: 50%;
  background: #eaf2ff;
  color: #1f5fbf;
  font-family: "Outfit", sans-serif;
  font-size: 14px;
}

.column-section h3 {
  margin: 30px 0 12px;
  padding-left: 12px;
  border-left: 4px solid #8aa7c3;
  color: #2d4054;
  font-size: 17px;
  line-height: 1.55;
}

.column-media {
  margin: 20px 0;
}

.column-media img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid #e2e4ea;
  border-radius: 8px;
  background: #f4f7fb;
}

.column-media--wide img {
  width: auto;
}

.column-media img[src$="excel-paste-values.png"] {
  max-width: 328px;
}

.column-media img[src$="excel-input-dropdown.png"],
.column-media img[src$="excel-input-guide.png"] {
  max-width: 262px;
}

.column-media img[src$="excel-input-warning.png"] {
  max-width: 338px;
}

.column-media img[src$="excel-input-error.png"] {
  max-width: 497px;
}

.column-media img[src$="excel-input-auto-calc.png"] {
  max-width: 307px;
}

.column-example {
  max-width: 340px;
  margin: 18px 0;
  padding: 14px 18px;
  border-left: 3px solid #a9bfd3;
  background: #f7f8fb;
}

.column-example p,
.column-example p + p {
  margin: 0;
  font-family: "Roboto Mono", "Noto Sans JP", monospace;
  font-size: 14px;
  line-height: 1.8;
}

.column-text-link {
  margin-top: 18px !important;
}

.column-text-link a {
  color: #1f5fbf;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.column-flow {
  display: grid;
  justify-items: center;
  gap: 11px;
  width: 55%;
  min-width: 270px;
  max-width: 100%;
  margin: 24px auto;
  padding: 26px 32px;
  border: 1px solid #dfe4eb;
  border-radius: 10px;
  background: #f8fafc;
}

.column-flow span {
  min-width: 170px;
  padding: 10px 14px;
  border-radius: 6px;
  background: #eaf2ff;
  color: #294e70;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.column-flow i {
  color: #6f8294;
  font-style: normal;
}

.column-section--summary {
  margin-top: 46px;
  padding: 22px;
  border: 1px solid #dce5f3;
  border-radius: 10px;
  background: #f7f9ff;
}

.column-section--summary h2 {
  margin-bottom: 20px;
}

.column-summary-list {
  display: grid;
  gap: 7px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
  counter-reset: summary;
}

.column-summary-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 8px;
  font-size: 15px;
  line-height: 1.7;
  counter-increment: summary;
}

.column-summary-list li::before {
  content: counter(summary) ".";
  color: #1f5fbf;
  font-weight: 800;
}

.column-case-card,
.column-related-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  margin: 24px 0;
  padding: 18px;
  border: 1px solid #dce2e9;
  border-radius: 12px;
  background: #fff;
  color: #222;
  box-shadow: 0 7px 20px rgba(35, 38, 52, .05);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.column-case-card {
  grid-template-columns: 260px 1fr;
}

.column-case-card:hover,
.column-case-card:focus-visible,
.column-related-card:hover,
.column-related-card:focus-visible {
  border-color: #9ebbd7;
  box-shadow: 0 10px 22px rgba(41, 78, 112, .11);
}

.column-case-card__media,
.column-related-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 136px;
  border: 1px solid #e2e4ea;
  border-radius: 8px;
  background: #f4f7fb;
}

.column-case-card__media {
  padding-right: 8px;
  padding-left: 8px;
}

.column-case-card__media img,
.column-related-card__media img {
  display: block;
  max-width: 100%;
  height: auto;
}

.column-case-card__body,
.column-related-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.column-case-card__body strong,
.column-related-card__body strong {
  color: #294e70;
  font-family: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

.column-case-card__body span,
.column-related-card__body span {
  margin-top: 8px;
  color: #555b68;
  font-size: 13px;
  line-height: 1.7;
}

.column-case-card__body b,
.column-related-card__body b {
  margin-top: 12px;
  color: #1f5fbf;
  font-size: 13px;
}

.column-related-card {
  grid-template-columns: 180px 1fr;
  padding: 15px;
  box-shadow: none;
}

.column-related-card__media {
  min-height: 102px;
}

.column-related-card__body strong {
  font-size: 16px;
}

.column-consult {
  margin: 20px 22px 22px;
  padding: 20px 22px;
  border: 1px solid #cfe2ff;
  border-radius: 12px;
  background: #f4f8ff;
}

.column-consult h2 {
  display: block;
  margin: 0 0 18px;
  color: #294e70;
  font-size: 20px;
  line-height: 1.5;
}

.column-consult .btn {
  margin-top: 20px;
  padding: 9px 14px;
  font-size: 13px;
}

@media (prefers-reduced-motion: reduce) {
  .column-case-card,
  .column-related-card {
    transition: none;
  }
}

@media (max-width: 759px) {
  .column-page {
    padding-top: calc(var(--header-h, 57px) + 20px);
    padding-bottom: 40px;
  }

  .column-breadcrumb {
    overflow-wrap: anywhere;
  }

  .column-hero {
    padding: 18px;
  }

  .column-hero h1 {
    font-size: 24px;
    line-height: 1.3;
  }

  .column-hero h1 > span {
    margin-top: 3px;
    font-size: 1em;
  }

  .column-tags {
    margin-top: 17px;
  }

  .column-body {
    max-width: none;
    padding: 18px 18px 4px;
  }

  .column-body p,
  .column-consult p {
    font-size: 14px;
    line-height: 1.75;
  }

  .column-toc {
    margin-top: 26px;
    padding: 18px;
  }

  .column-toc a {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 6px;
    padding: 9px 2px;
    font-size: 13px;
  }

  .column-principle {
    padding: 16px;
  }

  .column-section {
    padding-top: 40px;
  }

  .column-section h2 {
    gap: 9px;
    margin-bottom: 14px;
    font-size: 20px;
    line-height: 1.45;
  }

  .column-section h2 > span {
    width: 27px;
    height: 27px;
    font-size: 13px;
  }

  .column-section h3 {
    margin-top: 28px;
    font-size: 17px;
  }

  .column-media {
    margin: 16px 0;
  }

  .column-body .column-media img {
    width: auto;
    max-width: 100%;
  }

  .column-example {
    max-width: 100%;
  }

  .column-flow {
    display: grid;
    width: 100%;
  }

  .column-section--summary {
    margin-top: 40px;
    padding: 18px;
  }

  .column-summary-list li {
    font-size: 14px;
  }

  .column-case-card,
  .column-related-card {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 14px;
  }

  .column-case-card__media,
  .column-related-card__media {
    min-height: 0;
    padding: 8px;
  }

  .column-case-card__body strong {
    font-size: 17px;
  }

  .column-related-card__body strong {
    font-size: 16px;
  }

  .column-consult {
    margin: 20px 18px 18px;
    padding: 18px;
  }

  .column-consult h2 {
    font-size: 19px;
  }

  .column-consult .btn {
    display: block;
    width: 100%;
    text-align: center;
  }
}