/* ─── Hero (featured photo + title) ─── */
.hero {
  padding: 80px 40px 100px;
}
.hero__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.hero__crumbs {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--sub);
  margin-bottom: 56px;
}
.hero__crumbs a { color: var(--sub); }
.hero__crumbs .sep {
  display: inline-block;
  margin: 0 12px;
  opacity: .5;
}
.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 80px;
  align-items: start;
}
.hero__text { padding-top: 24px; }
.hero__photo { margin: 0; }
.hero__case-no {
  font-family: var(--serif-en);
  font-size: 13px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--sub);
  margin-bottom: 8px;
}
.hero__case-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 18px;
  color: var(--sub);
  margin-bottom: 32px;
  letter-spacing: .02em;
}
.hero__title {
  font-size: 38px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: .03em;
  margin-bottom: 56px;
}
.hero__tag {
  display: inline-flex;
  align-items: stretch;
  margin-bottom: 56px;
  border: 1px solid var(--sub);
}
.hero__tag .en {
  padding: 7px 14px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sub);
  border-right: 1px solid var(--sub);
}
.hero__tag .jp {
  padding: 7px 16px;
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--ink);
}
.hero__meta {
  display: grid;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.hero__meta div {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  font-size: 13px;
  letter-spacing: .04em;
}
.hero__meta dt {
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--sub);
  letter-spacing: .08em;
}
.hero__meta dt .jp {
  display: inline-block;
  margin-left: 8px;
  font-family: var(--serif-jp);
  font-style: normal;
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--sub);
  opacity: .8;
}
.hero__meta dd .jp {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--serif-jp);
  font-size: 11px;
  color: var(--sub);
  opacity: .8;
}
.hero__meta dd { color: var(--ink); }

/* ─── Photo grid ─── */
.photos {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px 120px;
}
.photos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 28px;
}
.photo { cursor: zoom-in; }
.photo__frame {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, #ECEAE3 0%, #E2DFD8 100%);
  position: relative;
  overflow: hidden;
  transition: transform .4s ease;
}
.photo:hover .photo__frame { transform: scale(0.99); }
.photo__frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.photo__frame:has(img) { background: #f0ede5; }
.photo__frame:has(img)::before,
.photo__frame:has(img)::after { display: none; }
.photo__frame::before {
  content: attr(data-num) " / " attr(data-total);
  position: absolute;
  bottom: 14px;
  right: 14px;
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .15em;
  color: rgba(26,26,26,.4);
}
.photo__frame::after {
  content: attr(data-label);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .15em;
  color: rgba(26,26,26,.35);
  text-transform: uppercase;
  text-align: center;
  font-style: italic;
}
.photo__caption {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-align: center;
  line-height: 1;
}
.photo__caption__en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sub);
}
.photo__caption__jp {
  font-family: var(--serif-jp);
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--sub);
  opacity: .8;
}
.hero__photo .photo__frame::after { font-size: 14px; }
.hero__photo .photo__frame::before { font-size: 12px; bottom: 18px; right: 18px; }

/* ─── Surgeon's Notes ─── */
.commentary {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px 120px;
}
.commentary__title {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sub);
  margin-bottom: 56px;
  text-align: center;
  position: relative;
}
.commentary__title::before,
.commentary__title::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--line);
  vertical-align: middle;
  margin: 0 24px;
}
.commentary__block { margin-bottom: 56px; }
.commentary__block:last-child { margin-bottom: 0; }
.commentary__label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .15em;
  color: var(--ink);
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.commentary__label .en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 13px;
  font-weight: 400;
  color: var(--sub);
  letter-spacing: .04em;
}
.commentary__body {
  font-size: 15px;
  line-height: 2;
  letter-spacing: .03em;
}
/* 英訳の併記。ラベルの .en と違い本文量があるため italic にはせず、
   Cormorant + サブ色 + 一段小さく で「日本語が主・英語が従」を保つ。 */
.commentary__body--en {
  margin-top: 14px;
  font-family: var(--serif-en);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: .01em;
  color: var(--sub);
}

/* ─── Medical Disclosure (collapsible) ─── */
.disclosure {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px 120px;
}
.disclosure__details {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.disclosure__summary {
  list-style: none;
  cursor: pointer;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--sub);
  user-select: none;
}
.disclosure__summary::-webkit-details-marker { display: none; }
.disclosure__summary .toggle {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: opacity .2s;
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: 16px;
}
.disclosure__details[open] .toggle .open { display: none; }
.disclosure__details:not([open]) .toggle .close { display: none; }
.disclosure__content { padding: 8px 0 40px; }
.disclosure__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.disclosure__row:first-child { border-top: none; }
.disclosure__row dt {
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .08em;
}
.disclosure__row dt .en {
  display: block;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  font-weight: 400;
  color: var(--sub);
  letter-spacing: .04em;
  margin-top: 4px;
}
.disclosure__row dd {
  color: var(--ink);
  line-height: 1.9;
}
.disclosure__row__en {
  display: block;
  margin-top: 8px;
  font-family: var(--serif-en);
  font-size: 14px;
  line-height: 1.7;
  color: var(--sub);
}
.disclosure__note {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--sub);
  line-height: 1.9;
  letter-spacing: .02em;
}

/* ─── Prev / All / Next nav ─── */
.case-nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 40px 120px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 48px;
  font-family: var(--serif-en);
  font-size: 13px;
  letter-spacing: .08em;
}
.case-nav a {
  display: block;
  padding-top: 40px;
}
.case-nav__prev { text-align: left; }
.case-nav__next { text-align: right; }
.case-nav__index {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: 11px;
  color: var(--sub);
  padding-top: 40px;
}
.case-nav__direction {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--sub);
  margin-bottom: 12px;
}
.case-nav__title {
  display: block;
  font-family: var(--serif-jp);
  font-size: 14px;
  font-style: normal;
  letter-spacing: .04em;
  color: var(--ink);
}

/* ─── Tablet ─── */
@media (max-width: 1024px) {
  .hero__layout { grid-template-columns: 1fr; gap: 48px; }
  .hero__photo { max-width: 560px; }
  .hero__title { font-size: 32px; }
  .photos__grid { grid-template-columns: repeat(2, 1fr); gap: 24px 20px; }
}

/* ─── Mobile ─── */
@media (max-width: 640px) {
  .hero { padding: 48px 24px 64px; }
  .hero__crumbs { margin-bottom: 32px; }
  .hero__title { font-size: 24px; margin-bottom: 36px; }
  .hero__case-en { font-size: 15px; margin-bottom: 24px; }
  .photos { padding: 0 24px 80px; }
  .photos__grid { grid-template-columns: repeat(2, 1fr); gap: 16px 12px; }
  .photo__frame::after { font-size: 10px; }
  .commentary { padding: 0 24px 80px; }
  .commentary__body { font-size: 14px; }
  .commentary__body--en { font-size: 14px; }
  .disclosure__row__en { font-size: 13px; }
  .disclosure { padding: 0 24px 80px; }
  .disclosure__row { grid-template-columns: 1fr; gap: 8px; }
  .case-nav { grid-template-columns: 1fr; gap: 24px; padding: 40px 24px 80px; }
  .case-nav__prev, .case-nav__next { text-align: left; }
  .case-nav__index { display: none; }
}

/* 必須記載の中に書かれたURL（モニター制度の案内など）は自動でリンクになる。
   本文と同じく、リンクだと分かるように下線を出す。 */
.disclosure a,
.ba-disc a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--sub);
  word-break: break-word;
}
.disclosure a:hover,
.ba-disc a:hover { opacity: 1; color: var(--accent); text-decoration-color: var(--accent); }