/* --- body: reset min-width override --- */

body {
  min-width: auto;
}

/* --- kn-page: sample article shell (Figma 1:376, 1:466) --- */

.kn-page {
  --kn-color-main: #243a51;
  --kn-color-text: #222222;
  --kn-color-muted: #737373;
  --kn-color-link: #1558d6;
  --kn-color-white: #ffffff;
  --kn-color-accent: #ea0437;
  --kn-color-accent-hover: color-mix(in srgb, var(--kn-color-accent) 80%, black);
  --kn-color-surface: #ffffffe5;
  --kn-color-tint: #243a511f;
  --kn-color-tint-strong: #243a513a;
  --kn-color-shade: rgb(0 0 0 / 20%);
  --kn-color-wash: #7373730f;
  --kn-color-line: #243a5180;
  --kn-color-rule: #7373734d;
  --kn-space-2: 2px;
  --kn-space-8: 8px;
  --kn-space-10: 10px;
  --kn-space-12: 12px;
  --kn-space-16: 16px;
  --kn-space-20: 20px;
  --kn-space-24: 24px;
  --kn-space-32: 32px;
  --kn-space-40: 40px;
  --kn-space-48: 48px;
  --kn-side-card-width: 314px;
  --kn-container-width: 1080px;
  --kn-catalog-panel-image-width: 242px;
  --kn-catalog-cover-width: 86px;
  --kn-hover-duration: 150ms;
  --kn-back-to-top-size: 48px;
  --kn-back-to-top-inset: calc(var(--kn-side-card-width) - var(--kn-back-to-top-size));
  position: relative;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: minmax(0, var(--kn-container-width));
  justify-content: center;
  overflow-x: clip;
  padding-top: var(--kn-space-48);
  padding-right: var(--kn-space-24);
  padding-bottom: var(--kn-space-32);
  padding-left: var(--kn-space-24);
  font-family: "Source Han Sans JP", "Hiragino Sans", sans-serif;
  color: var(--kn-color-text);
}

.kn-page__container,
.kn-page__article,
.kn-page__intro,
.kn-page__tag,
.kn-page__title,
.kn-page__hero,
.kn-page__hero-image,
.kn-catalog-panel__image,
.kn-page__download-wrap,
.kn-download,
.kn-toc,
.kn-page__section,
.kn-page__section-content,
.kn-page__heading,
.kn-page__heading-text,
.kn-page__paragraph,
.kn-callout,
.kn-point,
.kn-points,
.kn-solution,
.kn-solution__message,
.kn-solution__action,
.kn-page__subheading,
.kn-page__figure,
.kn-page__figure-media,
.kn-page__image,
.kn-page__caption,
.kn-page__flow,
.kn-page__flow-step,
.kn-page__equal-columns,
.kn-page__equal-columns-item,
.kn-catalog-panel,
.kn-catalog-panel__content,
.kn-catalog-panel__card,
.kn-catalog-panel__details,
.kn-side-card,
.kn-side-card__title,
.kn-side-card__body,
.kn-page__back-to-top {
  box-sizing: border-box;
}

/* --- kn-page__container: article column and side card (Figma 1:377) --- */

.kn-page__container {
  grid-area: 1 / 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--kn-space-40);
  min-width: 0;
  padding-bottom: var(--kn-space-48);
}

.kn-page__article {
  display: flex;
  flex: 1 1 0%;
  flex-direction: column;
  align-items: center;
  gap: var(--kn-space-32);
  min-width: 0;
  max-width: 100%;
}

/* --- kn-page__intro: tags and title (Figma 1:119) --- */

.kn-page__intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--kn-space-8);
  width: 100%;
}

.kn-page__tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kn-space-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.kn-page__tag {
  padding: var(--kn-space-8);
  border: 1px solid var(--kn-color-muted);
  border-radius: 4px;
  background: var(--kn-color-white);
  color: var(--kn-color-muted);
  font-size: 14px;
  line-height: 1;
}

.kn-page__title {
  margin: 0;
  color: var(--kn-color-main);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.4;
}

/* --- kn-page__hero: hero image up to parent width (Figma 1:114, 135:1510) --- */

.kn-page__hero {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.kn-page__hero-image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  aspect-ratio: auto;
  margin-inline: auto;
}

/* --- kn-page__download-wrap: width frame for the article download (Figma 1:162) --- */

.kn-page__download-wrap {
  width: 300px;
  padding-top: var(--kn-space-16);
  padding-bottom: var(--kn-space-16);
}

/* --- kn-download: article and card download buttons (Figma 1:162) --- */

.kn-download {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kn-color-accent);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}

a.kn-download:link,
a.kn-download:visited,
a.kn-download:hover,
a.kn-download:focus-visible {
  color: var(--kn-color-white);
  opacity: 1;
}

a.kn-download:hover,
a.kn-download:focus-visible {
  background-color: var(--kn-color-accent-hover);
}

.kn-download--article {
  gap: var(--kn-space-16);
  width: 100%;
  height: 52px;
  font-size: 20px;
}

.kn-download--card {
  gap: var(--kn-space-10);
  height: 48px;
  padding-right: var(--kn-space-24);
  padding-left: var(--kn-space-24);
  font-size: 16px;
  white-space: nowrap;
}

.kn-download__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* --- kn-toc: section index (Figma 1:258) --- */

.kn-toc {
  display: flex;
  flex-direction: column;
  gap: var(--kn-space-16);
  width: 100%;
  padding: var(--kn-space-24);
  background: var(--kn-color-wash);
}

.kn-toc__title {
  margin: 0;
  color: var(--kn-color-text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.kn-toc__list {
  display: flex;
  flex-direction: column;
  gap: var(--kn-space-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.kn-toc__item {
  display: flex;
  align-items: flex-start;
  gap: var(--kn-space-8);
  font-size: 16px;
  line-height: 1.4;
  text-decoration: none;
}

a.kn-toc__item:link,
a.kn-toc__item:visited,
a.kn-toc__item:hover,
a.kn-toc__item:focus-visible {
  color: var(--kn-color-link);
  opacity: 1;
}

a.kn-toc__item:hover .kn-toc__label,
a.kn-toc__item:focus-visible .kn-toc__label {
  text-decoration-color: currentColor;
}

.kn-toc__number {
  width: 14px;
  flex-shrink: 0;
  color: var(--kn-color-text);
}

.kn-toc__label {
  min-width: 0;
  text-decoration-line: underline;
  text-decoration-color: transparent;
}

/* --- kn-page__section: heading and content stack (Figma 1:246) --- */

.kn-page__section {
  display: flex;
  flex-direction: column;
  gap: var(--kn-space-24);
  width: 100%;
}

.kn-page__heading {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin: 0;
  padding-top: var(--kn-space-24);
}

.kn-page__heading::before {
  content: "";
  height: 4px;
  background: var(--kn-color-line);
}

.kn-page__heading-text {
  padding: var(--kn-space-16);
  background: var(--kn-color-main);
  color: var(--kn-color-white);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}

.kn-page__section-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--kn-space-16);
  width: 100%;
}

.kn-page__paragraph {
  width: 100%;
  margin: 0;
  color: var(--kn-color-text);
  font-size: 16px;
  line-height: 1.6;
}

/* --- kn-page__emphasis: bold run inside a paragraph --- */

.kn-page__emphasis {
  font-weight: 700;
}

/* --- kn-callout: bordered point list (Figma 1:268) --- */

.kn-callout {
  display: flex;
  flex-direction: column;
  gap: var(--kn-space-16);
  width: 100%;
  padding: var(--kn-space-24);
  border: 1px solid var(--kn-color-main);
  background: var(--kn-color-wash);
}

.kn-callout__title {
  margin: 0;
  color: var(--kn-color-main);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
}

.kn-callout__list,
.kn-points {
  display: flex;
  flex-direction: column;
  gap: var(--kn-space-8);
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kn-callout__list > .kn-point:not(:last-child) {
  padding-bottom: var(--kn-space-8);
  border-bottom: 1px solid var(--kn-color-rule);
}

/* --- kn-point: point row (Figma 1:220) --- */

.kn-point {
  display: flex;
  align-items: flex-start;
  gap: var(--kn-space-8);
  width: 100%;
}

.kn-point__icon {
  width: 4px;
  height: 14px;
  flex-shrink: 0;
}

.kn-point__text {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--kn-color-text);
  font-size: 16px;
  line-height: 1.4;
}

/* --- kn-solution: in-page solution link (Figma 1:171) --- */

.kn-solution {
  display: flex;
  align-items: stretch;
  width: 100%;
  overflow: hidden;
  border-radius: 100px;
  background: var(--kn-color-tint);
  text-decoration: none;
}

a.kn-solution:link,
a.kn-solution:visited,
a.kn-solution:hover,
a.kn-solution:focus-visible {
  color: var(--kn-color-main);
  opacity: 1;
}

.kn-solution__message {
  flex: 1 1 auto;
  min-width: 0;
  padding: var(--kn-space-16) var(--kn-space-24);
  color: var(--kn-color-main);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.kn-solution__action {
  position: relative;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--kn-space-2);
  padding-right: var(--kn-space-16);
  padding-left: var(--kn-space-24);
}

.kn-solution__action::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  height: 24px;
  margin-top: auto;
  margin-bottom: auto;
  background: var(--kn-color-line);
}

.kn-solution__action-text {
  color: var(--kn-color-main);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}

.kn-solution__arrow,
.kn-solution__arrow--inverse {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  object-fit: none;
  object-position: center;
}

.kn-solution__arrow--inverse {
  position: absolute;
  top: 0;
  right: var(--kn-space-16);
  bottom: 0;
  height: 32px;
  margin-top: auto;
  margin-bottom: auto;
  opacity: 0;
}

a.kn-solution:hover .kn-solution__message,
a.kn-solution:focus-visible .kn-solution__message {
  background: var(--kn-color-tint-strong);
}

.kn-solution:hover .kn-solution__action,
.kn-solution:focus-visible .kn-solution__action {
  border-radius: 0 100px 100px 0;
  background: var(--kn-color-main);
}

.kn-solution:hover .kn-solution__action::before,
.kn-solution:focus-visible .kn-solution__action::before {
  opacity: 0;
}

.kn-solution:hover .kn-solution__action-text,
.kn-solution:focus-visible .kn-solution__action-text {
  color: var(--kn-color-white);
}

.kn-solution:hover .kn-solution__arrow:not(.kn-solution__arrow--inverse),
.kn-solution:focus-visible .kn-solution__arrow:not(.kn-solution__arrow--inverse) {
  opacity: 0;
}

.kn-solution:hover .kn-solution__arrow--inverse,
.kn-solution:focus-visible .kn-solution__arrow--inverse {
  opacity: 1;
}

/* --- kn-page__subheading: section subheading (Figma 1:211) --- */

.kn-page__subheading {
  width: 100%;
  margin: 0;
  padding: var(--kn-space-16);
  border-left: 4px solid var(--kn-color-main);
  background: var(--kn-color-wash);
  color: var(--kn-color-text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

/* --- kn-page__figure: image and caption, intrinsic height (Figma 1:115) --- */

.kn-page__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--kn-space-16);
  width: 100%;
  margin: 0;
}

.kn-page__figure-media {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.kn-page__image {
  display: block;
  width: auto;
  max-width: 100%;
  min-width: 0;
  height: auto;
  aspect-ratio: auto;
  margin-inline: auto;
}

.kn-page__caption {
  width: 100%;
  margin: 0;
  color: var(--kn-color-text);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

/* --- kn-page__flow: procedure stack (Figma 1:249) --- */

.kn-page__flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--kn-space-12);
  width: 100%;
}

.kn-page__flow-step {
  width: 100%;
  margin: 0;
  padding: var(--kn-space-8) var(--kn-space-16);
  background: var(--kn-color-wash);
  color: var(--kn-color-text);
  font-size: 16px;
  line-height: 1.4;
  text-align: center;
}

/* --- kn-page__flow-step: emphasis (Figma 1:229) --- */

.kn-page__flow-step--emphasis {
  border: 1px solid var(--kn-color-main);
  background: var(--kn-color-tint);
  color: var(--kn-color-main);
  font-weight: 700;
}

.kn-page__flow-arrow {
  width: 14px;
  height: 7px;
}

/* --- kn-page__equal-columns: equal two-column layout (Figma 1:252) --- */

.kn-page__equal-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: var(--kn-space-24);
  width: 100%;
}

.kn-page__equal-columns-item {
  min-width: 0;
}

/* --- kn-catalog-panel: closing catalog panel (Figma 1:130) --- */

.kn-catalog-panel {
  width: 100%;
}

.kn-catalog-panel__bar {
  height: 4px;
  background: var(--kn-color-main);
}

.kn-catalog-panel__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--kn-space-16);
  padding: var(--kn-space-24);
  background: var(--kn-color-tint);
}

.kn-catalog-panel__heading,
.kn-catalog-panel__note,
.kn-catalog-panel__name {
  margin: 0;
  color: var(--kn-color-text);
  text-align: center;
}

.kn-catalog-panel__heading {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.6;
}

.kn-catalog-panel__note {
  font-size: 20px;
  line-height: 1.6;
}

.kn-catalog-panel__card {
  display: flex;
  align-items: center;
  gap: var(--kn-space-16);
  width: 100%;
  padding: var(--kn-space-24);
  background: var(--kn-color-surface);
}

.kn-catalog-panel__details {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--kn-space-24);
}

/* --- kn-catalog-panel__image: width cap, intrinsic height (Figma 135:1478) --- */

.kn-catalog-panel__image {
  display: block;
  flex: 0 1 auto;
  width: auto;
  max-width: min(100%, var(--kn-catalog-panel-image-width));
  min-width: 0;
  height: auto;
  aspect-ratio: auto;
}

.kn-catalog-panel__name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
}

/* --- kn-side-card: sticky side card (Figma 1:124) --- */

.kn-side-card {
  position: sticky;
  top: var(--kn-space-48);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  align-items: center;
  gap: var(--kn-space-16);
  width: var(--kn-side-card-width);
  overflow: hidden;
  border: 2px solid var(--kn-color-main);
  border-radius: 4px;
  background: var(--kn-color-surface);
}

.kn-side-card__title {
  width: 100%;
  margin: 0;
  padding-top: var(--kn-space-16);
  padding-bottom: var(--kn-space-16);
  background: var(--kn-color-main);
  color: var(--kn-color-white);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}

.kn-side-card__body {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--kn-space-16);
  width: 100%;
  padding-right: var(--kn-space-24);
  padding-bottom: var(--kn-space-24);
  padding-left: var(--kn-space-24);
}

/* --- kn-side-card__cover: width cap, intrinsic height (Figma 1:116) --- */

.kn-side-card__cover {
  display: block;
  width: auto;
  max-width: min(100%, var(--kn-catalog-cover-width));
  min-width: 0;
  height: auto;
  aspect-ratio: auto;
  align-self: center;
}

/* --- kn-page__back-to-top: jump to page start (Figma 1:197) --- */

.kn-page__back-to-top {
  position: sticky;
  bottom: var(--kn-space-32);
  z-index: 2;
  grid-area: 1 / 1;
  align-self: end;
  justify-self: end;
  margin-right: var(--kn-back-to-top-inset);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--kn-back-to-top-size);
  height: var(--kn-back-to-top-size);
  border: 1px solid var(--kn-color-main);
  border-radius: 100px;
  background: var(--kn-color-white);
  text-decoration: none;
}

a.kn-page__back-to-top:link,
a.kn-page__back-to-top:visited,
a.kn-page__back-to-top:hover,
a.kn-page__back-to-top:focus-visible {
  opacity: 1;
}

a.kn-page__back-to-top:hover,
a.kn-page__back-to-top:focus-visible {
  background: var(--kn-color-main);
}

a.kn-page__back-to-top:hover .kn-page__back-to-top-icon,
a.kn-page__back-to-top:focus-visible .kn-page__back-to-top-icon {
  filter: brightness(0) invert(1);
}

.kn-page__back-to-top-icon {
  width: 22px;
  height: 11px;
  transform: rotate(180deg);
}

.kn-toc__item:focus-visible,
.kn-solution:focus-visible,
.kn-download:focus-visible,
.kn-page__back-to-top:focus-visible {
  outline: 2px solid var(--kn-color-link);
  outline-offset: 2px;
}

/* --- kn-page: hover dissolve --- */

.kn-download,
.kn-toc__label,
.kn-solution__message,
.kn-solution__action,
.kn-solution__action-text,
.kn-solution__action::before,
.kn-solution__arrow,
.kn-solution__arrow--inverse,
.kn-page__back-to-top,
.kn-page__back-to-top-icon {
  transition-duration: var(--kn-hover-duration);
  transition-property: background-color, border-radius, color, filter, opacity, text-decoration-color;
  transition-timing-function: linear;
}

/* --- kn-page: narrow layout below 984px (Figma 1:464) --- */

@media (max-width: 983px) {
  .kn-page {
    --kn-back-to-top-inset: calc(var(--kn-space-20) - var(--kn-space-16));
    padding-right: var(--kn-space-16);
    padding-left: var(--kn-space-16);
  }

  .kn-side-card {
    display: none;
  }

  .kn-page__equal-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .kn-page__equal-columns-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .kn-solution {
    border-radius: 8px;
  }

  .kn-solution__message {
    padding: var(--kn-space-16);
    font-size: 16px;
    text-align: center;
  }

  .kn-solution__action {
    justify-content: center;
    padding-right: var(--kn-space-16);
    padding-left: var(--kn-space-16);
    background: var(--kn-color-main);
    border-radius: 0;
  }

  a.kn-solution:hover .kn-solution__message,
  a.kn-solution:focus-visible .kn-solution__message {
    background: transparent;
  }

  .kn-solution:hover .kn-solution__action,
  .kn-solution:focus-visible .kn-solution__action {
    border-radius: 0;
    background: var(--kn-color-main);
  }

  .kn-solution__action-text,
  .kn-solution__action::before,
  .kn-solution__arrow:not(.kn-solution__arrow--inverse) {
    display: none;
  }

  .kn-solution__arrow--inverse {
    position: static;
    display: block;
    opacity: 1;
  }

  .kn-catalog-panel__note {
    font-size: 18px;
  }

  .kn-catalog-panel__card {
    flex-direction: column;
    align-items: center;
  }

  .kn-catalog-panel__details {
    align-items: center;
    width: 100%;
  }

  .kn-catalog-panel__name {
    text-align: center;
  }
}

/* --- kn-only-pc: shown from 984px --- */

@media (max-width: 983px) {
  .kn-only-pc {
    display: none;
  }
}

/* --- kn-only-sp: shown below 984px --- */

@media (min-width: 984px) {
  .kn-only-sp {
    display: none;
  }
}

/* --- kn-page: reduced motion --- */

@media (prefers-reduced-motion: reduce) {
  .kn-download,
  .kn-toc__label,
  .kn-solution__message,
  .kn-solution__action,
  .kn-solution__action-text,
  .kn-solution__action::before,
  .kn-solution__arrow,
  .kn-solution__arrow--inverse,
  .kn-page__back-to-top,
  .kn-page__back-to-top-icon {
    transition-duration: 0s;
  }
}