/*
 * About page guide and strengths 03–12
 * Scope every rule to .about-strengths so the legacy flow layout and page.js
 * cannot position these images absolutely.
 */
#main .about-page-nav {
  --page-nav-blue: #78b4e6;
  --page-nav-blue-deep: #4f90c5;
  --page-nav-ink: #4b4742;
  --page-nav-line: rgba(120, 180, 230, 0.28);
  box-sizing: border-box;
  width: 100%;
  margin: 0 0 4rem;
  padding: 2.6rem 3rem 3rem;
  border-top: 1px solid var(--page-nav-line);
  border-bottom: 1px solid var(--page-nav-line);
  background: linear-gradient(90deg, rgba(238, 247, 253, 0.42), rgba(255, 255, 255, 0.94), rgba(238, 247, 253, 0.42));
}

#main .about-page-nav__eyebrow {
  margin: 0 0 0.4rem;
  padding: 0;
  color: var(--page-nav-blue-deep);
  font-family: bodoni-urw, serif;
  font-size: 1.1rem;
  line-height: 1.4;
  letter-spacing: 0.2em;
  text-align: center;
  text-transform: uppercase;
}

#main .about-page-nav__title.no-style {
  margin: 0;
  color: var(--page-nav-ink);
  font-family: "Noto Serif JP", serif;
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-align: center;
}

#main .about-page-nav__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

#main .about-page-nav__list li {
  min-width: 0;
  margin: 0;
  padding: 0;
}

#main .about-page-nav__list a {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 6.8rem;
  box-sizing: border-box;
  padding: 1.1rem 2.6rem 1.1rem 1.5rem;
  border: 1px solid var(--page-nav-line);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.84);
  color: var(--page-nav-ink);
  font-size: 1.35rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

#main .about-page-nav__list a::after {
  content: "›";
  position: absolute;
  top: 50%;
  right: 1.2rem;
  color: var(--page-nav-blue);
  font-family: sans-serif;
  font-size: 1.8rem;
  line-height: 1;
  transform: translateY(-50%);
}

#main .about-page-nav__list small {
  display: block;
  margin-top: 0.2rem;
  color: #82796f;
  font-size: 1.05rem;
  line-height: 1.5;
}

#main .about-page-nav__list a:hover {
  border-color: rgba(79, 144, 197, 0.42);
  background: rgba(238, 247, 253, 0.92);
  color: var(--page-nav-blue-deep);
  transform: translateY(-1px);
}

#main .about-page-nav__list a:focus-visible {
  outline: 3px solid rgba(120, 180, 230, 0.46);
  outline-offset: 2px;
}

#main #about-toc-title,
#main #innai,
#main #partner-clinics {
  scroll-margin-top: 12rem;
}

#main .about-toc {
  --toc-blue: #78b4e6;
  --toc-blue-deep: #4f90c5;
  --toc-ink: #4b4742;
  --toc-line: rgba(120, 180, 230, 0.28);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  padding: 3.6rem 4rem;
  border: 1px solid var(--toc-line);
  border-radius: 2.4rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.99), rgba(238, 247, 253, 0.58));
  box-shadow:
    0 1.6rem 4rem rgba(82, 104, 119, 0.08),
    0 0.2rem 0.8rem rgba(82, 104, 119, 0.04);
}

#main .about-toc__eyebrow {
  margin: 0 0 0.5rem;
  padding: 0;
  color: var(--toc-blue-deep);
  font-family: bodoni-urw, serif;
  font-size: 1.2rem;
  line-height: 1.4;
  letter-spacing: 0.2em;
  text-align: center;
  text-transform: uppercase;
}

#main .about-toc__title.no-style {
  margin: 0;
  color: var(--toc-ink);
  font-family: "Noto Serif JP", serif;
  font-size: 2.6rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-align: center;
}

#main .about-toc__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 3.2rem;
  margin: 2.8rem 0 0;
  padding: 0;
  list-style: none;
}

#main .about-toc__list li {
  min-width: 0;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--toc-line);
}

#main .about-toc__list a {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr) 1.2rem;
  gap: 1.1rem;
  align-items: center;
  min-height: 6.4rem;
  box-sizing: border-box;
  padding: 1rem 0.4rem;
  border-radius: 0.8rem;
  color: var(--toc-ink);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

#main .about-toc__list a::after {
  content: "›";
  color: var(--toc-blue);
  font-family: sans-serif;
  font-size: 2rem;
  line-height: 1;
  text-align: right;
}

#main .about-toc__number {
  color: var(--toc-blue);
  font-family: bodoni-urw, serif;
  font-size: 1.8rem;
  line-height: 1;
  letter-spacing: 0.02em;
}

#main .about-toc__label {
  min-width: 0;
  font-size: 1.42rem;
  line-height: 1.7;
  letter-spacing: 0.025em;
}

#main .about-toc__list a:hover {
  color: var(--toc-blue-deep);
  background: rgba(120, 180, 230, 0.09);
}

#main .about-toc__list a:focus-visible {
  outline: 3px solid rgba(120, 180, 230, 0.46);
  outline-offset: 2px;
}

#main #about01,
#main #about02 {
  scroll-margin-top: 14rem;
}

#main .about-strengths {
  --strength-blue: #78b4e6;
  --strength-blue-deep: #4f90c5;
  --strength-blue-pale: #eef7fd;
  --strength-pink: #ffa5aa;
  --strength-gold: #b79a6b;
  --strength-ink: #4b4742;
  --strength-muted: #82796f;
  --strength-line: rgba(120, 180, 230, 0.28);
  display: grid;
  gap: 3.6rem;
  margin: 6rem 0 8rem;
}

#main .about-strengths__card {
  display: grid;
  grid-template-columns: minmax(27rem, 0.9fr) minmax(0, 1.1fr);
  grid-template-areas: "media content";
  gap: clamp(2.8rem, 4vw, 5rem);
  align-items: start;
  overflow: hidden;
  margin: 0;
  padding: clamp(2.6rem, 4vw, 4.2rem);
  border: 1px solid var(--strength-line);
  border-radius: 2.4rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(250, 249, 246, 0.96));
  box-shadow:
    0 1.8rem 4.5rem rgba(82, 104, 119, 0.09),
    0 0.2rem 0.8rem rgba(82, 104, 119, 0.04);
}

#main .about-strengths__card:nth-child(odd) {
  grid-template-columns: minmax(0, 1.1fr) minmax(27rem, 0.9fr);
  grid-template-areas: "content media";
}

#main .about-strengths__media {
  grid-area: media;
  position: sticky;
  top: 12rem;
  overflow: hidden;
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: 1.8rem;
  background: #f4f2ee;
  box-shadow: inset 0 0 0 1px rgba(102, 91, 76, 0.08);
}

#main .about-strengths__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(110, 85, 55, 0.08));
}

#main .about-strengths__media img {
  display: block;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.88) contrast(0.98) brightness(1.02);
}

#main .about-strengths__media--left img {
  object-position: left center;
}

#main .about-strengths__media--discreet {
  aspect-ratio: 3 / 2;
  background: #f5ebe4;
}

#main .about-strengths__media--discreet img {
  object-fit: cover;
  object-position: center;
  filter: none;
}

#main .about-strengths__media--contain img {
  object-fit: contain;
  padding: 1.6rem;
  background: #fff;
}

#main .about-strengths__media--scanner img {
  object-position: left center;
  transform: scale(1.34);
  transform-origin: left center;
}

#main .about-strengths__media--xray {
  background: #263139;
}

#main .about-strengths__media--xray img {
  filter: saturate(0.72) contrast(1.04) brightness(0.94);
}

#main .about-strengths__content {
  grid-area: content;
  min-width: 0;
}

#main .about-strengths__eyebrow {
  margin: 0 0 0.9rem;
  color: var(--strength-gold);
  font-family: bodoni-urw, serif;
  font-size: 1.25rem;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

#main .about-strengths__title.no-style {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.3rem;
  align-items: baseline;
  scroll-margin-top: 14rem;
  margin: 0 0 2.2rem;
  color: var(--strength-ink);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2rem, 2.6vw, 2.65rem);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.035em;
}

#main .about-strengths__number {
  color: var(--strength-blue);
  font-family: bodoni-urw, serif;
  font-size: 1.7em;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
}

#main .about-strengths p {
  margin: 0;
  color: var(--strength-ink);
  font-size: 1.55rem;
  line-height: 2;
  text-align: left;
}

#main .about-strengths p + p {
  margin-top: 1.2rem;
}

#main .about-strengths__details {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--strength-line);
}

#main .about-strengths__subheading.no-style {
  margin: 3rem 0 1.25rem;
  color: var(--strength-blue-deep);
  font-family: "Noto Serif JP", serif;
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.04em;
}

#main .about-strengths__details > .about-strengths__subheading:first-child {
  margin-top: 0;
}

#main .about-strengths__point.no-style {
  position: relative;
  margin: 2.2rem 0 0.75rem;
  padding-left: 1.6rem;
  color: var(--strength-ink);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.7;
}

#main .about-strengths__point.no-style::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--strength-pink);
}

#main .about-strengths__bullets {
  display: grid;
  gap: 0.9rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

#main .about-strengths__bullets li {
  position: relative;
  margin: 0;
  padding-left: 1.8rem;
  color: var(--strength-ink);
  font-size: 1.5rem;
  line-height: 1.85;
}

#main .about-strengths__bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--strength-blue);
}

#main .about-strengths__emphasis {
  display: block;
  margin-top: 2.2rem;
  padding: 1.6rem 1.8rem;
  border-radius: 1.2rem;
  background: var(--strength-blue-pale);
  color: #3e79a7;
  font-weight: 700;
  line-height: 1.8;
}

#main .about-strengths__emphasis strong {
  color: inherit;
}

#main .about-strengths__cta {
  margin-top: 2.6rem;
}

#main .about-strengths__cta a {
  display: inline-flex;
  min-width: 22rem;
  min-height: 5.4rem;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.6rem;
  border-radius: 999px;
  background: var(--strength-blue);
  box-shadow: 0 1rem 2.4rem rgba(120, 180, 230, 0.24);
  color: #fff;
  font-size: 1.55rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

#main .about-strengths__cta a:hover {
  background: #5d9fd5;
  box-shadow: 0 1.2rem 2.8rem rgba(93, 159, 213, 0.26);
  transform: translateY(-1px);
}

#main .about-strengths__cta a:focus-visible {
  outline: 3px solid rgba(255, 165, 170, 0.68);
  outline-offset: 3px;
}

@media (max-width: 767px) {
  #main .about-page-nav {
    margin-bottom: 3rem;
    padding: 2rem 1.6rem 2.2rem;
  }

  #main .about-page-nav__eyebrow {
    font-size: 1rem;
  }

  #main .about-page-nav__title.no-style {
    font-size: 1.9rem;
  }

  #main .about-page-nav__list {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    margin-top: 1.5rem;
  }

  #main .about-page-nav__list a {
    min-height: 5.4rem;
    padding: 0.9rem 2.5rem 0.9rem 1.3rem;
    border-radius: 1rem;
    font-size: 1.3rem;
  }

  #main .about-page-nav__list small {
    font-size: 1rem;
  }

  #main #about-toc-title,
  #main #innai,
  #main #partner-clinics {
    scroll-margin-top: 9rem;
  }

  #main .about-toc {
    padding: 2.4rem 2rem;
    border-radius: 1.8rem;
  }

  #main .about-toc__eyebrow {
    font-size: 1.05rem;
  }

  #main .about-toc__title.no-style {
    font-size: 2.2rem;
  }

  #main .about-toc__list {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

  #main .about-toc__list a {
    grid-template-columns: 3rem minmax(0, 1fr) 1.1rem;
    gap: 0.9rem;
    min-height: 5.8rem;
    padding: 0.9rem 0.2rem;
  }

  #main .about-toc__number {
    font-size: 1.65rem;
  }

  #main .about-toc__label {
    font-size: 1.38rem;
    line-height: 1.65;
  }

  #main #about01,
  #main #about02 {
    scroll-margin-top: 10rem;
  }

  #main .about-strengths {
    gap: 2.3rem;
    margin: 4.8rem 0 6rem;
  }

  #main .about-strengths__card,
  #main .about-strengths__card:nth-child(odd) {
    grid-template-columns: 1fr;
    grid-template-areas:
      "media"
      "content";
    gap: 2.2rem;
    padding: 1.8rem;
    border-radius: 1.8rem;
  }

  #main .about-strengths__media {
    position: relative;
    top: auto;
    border-radius: 1.3rem;
  }

  #main .about-strengths__eyebrow {
    margin-bottom: 0.7rem;
    font-size: 1.1rem;
  }

  #main .about-strengths__title.no-style {
    gap: 0.9rem;
    scroll-margin-top: 10rem;
    margin-bottom: 1.6rem;
    font-size: 1.9rem;
  }

  #main .about-strengths p {
    font-size: 1.45rem;
    line-height: 1.9;
  }

  #main .about-strengths__details {
    margin-top: 2.1rem;
    padding-top: 2.1rem;
  }

  #main .about-strengths__subheading.no-style {
    margin-top: 2.5rem;
    font-size: 1.65rem;
  }

  #main .about-strengths__point.no-style,
  #main .about-strengths__bullets li {
    font-size: 1.45rem;
  }

  #main .about-strengths__cta a {
    width: 100%;
  }
}

@media (max-width: 599px) {
  #main .about-toc__title.no-style,
  #main .about-toc__list {
    margin-right: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  #main .about-strengths__cta a {
    transition: none;
  }
}