/*
MEMBRANE Visual Target refinement v0.1
ページ作成日時：2026-08-26 17:20 JST
最終更新日時：2026-08-28 17:06 JST

Visual Target:
research/membrane-theory/60_web_publication/design/2026.08.26_01_membrane_web_visual_target_v0.1.png
*/

html[data-theme-id="membrane-academic"] .membrane-masthead {
  background: rgba(247, 245, 239, 0.96);
  border-bottom: 1px solid var(--membrane-rule);
}

html[data-theme-id="membrane-academic"] .membrane-masthead-inner {
  display: grid;
  grid-template-columns: minmax(10rem, 0.8fr) minmax(14rem, 1.1fr) minmax(32rem, 2.5fr);
  align-items: stretch;
  gap: 0;
  width: min(100%, 92rem);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2.5rem);
}

html[data-theme-id="membrane-academic"] .membrane-masthead-brand,
html[data-theme-id="membrane-academic"] .membrane-masthead-publication,
html[data-theme-id="membrane-academic"] .membrane-masthead-nav {
  min-width: 0;
  padding: 0.9rem 1.1rem;
  border-right: 1px solid var(--membrane-rule);
}

html[data-theme-id="membrane-academic"] .membrane-masthead-brand {
  display: grid;
  align-content: center;
  gap: 0.15rem;
  color: inherit;
  text-decoration: none;
}

html[data-theme-id="membrane-academic"] .membrane-masthead-brand .series-brand-main {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
}

html[data-theme-id="membrane-academic"] .membrane-masthead-caption,
html[data-theme-id="membrane-academic"] .membrane-masthead-issue,
html[data-theme-id="membrane-academic"] .membrane-masthead-nav small {
  font-family: var(--gr-font-ui, system-ui, sans-serif);
  font-size: 0.58rem;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--membrane-muted);
}

html[data-theme-id="membrane-academic"] .membrane-masthead-publication {
  display: flex;
  align-items: center;
  gap: 1rem;
}

html[data-theme-id="membrane-academic"] .membrane-masthead-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  letter-spacing: 0.08em;
}

html[data-theme-id="membrane-academic"] .membrane-masthead-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  border-right: 0;
}

html[data-theme-id="membrane-academic"] .membrane-masthead-nav > span {
  display: grid;
  align-content: center;
  gap: 0.18rem;
  padding: 0.75rem 0.9rem;
  border-right: 1px solid rgba(71, 86, 79, 0.14);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

html[data-theme-id="membrane-academic"] .membrane-index-main {
  overflow: clip;
}

html[data-theme-id="membrane-academic"] .membrane-index-hero {
  min-height: clamp(34rem, 47vw, 44rem);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  grid-template-rows: auto 1fr auto;
  column-gap: clamp(2rem, 6vw, 7rem);
  align-content: start;
  padding: clamp(3rem, 6vw, 5.5rem) clamp(2rem, 7vw, 7rem) 0;
  background:
    radial-gradient(circle at 28% 18%, rgba(70, 87, 80, 0.035) 0 1px, transparent 1.3px) 0 0 / 13px 13px,
    radial-gradient(circle at 72% 62%, rgba(70, 87, 80, 0.025) 0 1px, transparent 1.4px) 0 0 / 19px 19px,
    var(--membrane-paper);
}

html[data-theme-id="membrane-academic"] .membrane-index-hero::before,
html[data-theme-id="membrane-academic"] .membrane-index-hero::after {
  border: 1px solid rgba(83, 105, 97, 0.24);
  background:
    radial-gradient(ellipse at 28% 55%, rgba(255,255,255,0.42) 0 6%, transparent 7%),
    radial-gradient(ellipse at 66% 42%, rgba(79, 101, 94, 0.045) 0 1.5%, transparent 1.8%),
    linear-gradient(100deg, rgba(224, 231, 227, 0.55), rgba(210, 222, 218, 0.18));
  box-shadow: inset 0 0 2.5rem rgba(72, 96, 87, 0.035);
}

html[data-theme-id="membrane-academic"] .membrane-index-hero::before {
  inset: -22% -18% 43% 17%;
  clip-path: none;
  border-radius: 42% 58% 46% 54% / 62% 46% 54% 38%;
  transform: rotate(-5deg) skewX(-7deg);
}

html[data-theme-id="membrane-academic"] .membrane-index-hero::after {
  inset: 49% 17% -35% -19%;
  clip-path: none;
  border-radius: 58% 42% 55% 45% / 37% 63% 43% 57%;
  transform: rotate(7deg) skewX(8deg);
  background:
    radial-gradient(ellipse at 38% 38%, rgba(255,255,255,0.46) 0 7%, transparent 8%),
    radial-gradient(ellipse at 71% 55%, rgba(79, 101, 94, 0.05) 0 1.4%, transparent 1.8%),
    linear-gradient(84deg, rgba(218, 226, 220, 0.47), rgba(200, 216, 211, 0.16));
}

html[data-theme-id="membrane-academic"] .membrane-index-title {
  grid-column: 1;
  grid-row: 1;
  max-width: 46rem;
  z-index: 2;
}

html[data-theme-id="membrane-academic"] .membrane-index-title .series-kicker {
  margin-bottom: 1.25rem;
  font-size: 0.65rem;
  letter-spacing: 0.24em;
}

html[data-theme-id="membrane-academic"] .membrane-index-title h1 {
  display: grid;
  gap: 0.15rem;
  max-width: none;
  margin: 0;
  line-height: 0.96;
}

html[data-theme-id="membrane-academic"] .membrane-title-ja {
  font-size: clamp(4.2rem, 8vw, 8.2rem);
  font-weight: 400;
  letter-spacing: -0.08em;
}

html[data-theme-id="membrane-academic"] .membrane-title-en {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 5.4vw, 5.2rem);
  font-weight: 400;
  letter-spacing: 0.04em;
}

html[data-theme-id="membrane-academic"] .membrane-index-title .series-subtitle {
  max-width: none;
  margin-top: 1rem;
  font-size: clamp(0.95rem, 1.5vw, 1.18rem);
  color: var(--membrane-ink);
}

html[data-theme-id="membrane-academic"] .membrane-index-regions {
  grid-column: 2;
  grid-row: 1 / span 2;
  position: relative;
  z-index: 2;
  min-height: 16rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: rgba(32, 37, 34, 0.74);
}

html[data-theme-id="membrane-academic"] .membrane-region-a,
html[data-theme-id="membrane-academic"] .membrane-region-b,
html[data-theme-id="membrane-academic"] .membrane-boundary-label {
  position: absolute;
  right: 4%;
}

html[data-theme-id="membrane-academic"] .membrane-region-a { top: 14%; }
html[data-theme-id="membrane-academic"] .membrane-boundary-label {
  top: 47%;
  font-style: italic;
  letter-spacing: 0.08em;
}
html[data-theme-id="membrane-academic"] .membrane-region-b { top: 72%; }

html[data-theme-id="membrane-academic"] .membrane-index-introduction {
  grid-column: 1;
  grid-row: 2;
  align-self: end;
  max-width: 34rem;
  margin: clamp(2rem, 5vw, 4rem) 0 1.5rem;
  z-index: 2;
}

html[data-theme-id="membrane-academic"] .membrane-index-introduction > p:first-child,
html[data-theme-id="membrane-academic"] .membrane-index-introduction > p:nth-child(2),
html[data-theme-id="membrane-academic"] .membrane-index-introduction > p:nth-child(3) {
  margin-block: 0.34rem;
}

html[data-theme-id="membrane-academic"] .membrane-index-introduction blockquote {
  margin: 1.5rem 0 1.2rem;
  padding: 1.15rem 1.45rem;
  box-shadow: 0.38rem 0.38rem 0 rgba(196, 210, 211, 0.22);
  background: rgba(247, 245, 239, 0.72);
}

html[data-theme-id="membrane-academic"] .membrane-index-primary-nav {
  grid-column: 1 / -1;
  grid-row: 3;
  align-self: end;
  max-width: 52rem;
  margin: 0;
  z-index: 2;
}

html[data-theme-id="membrane-academic"] .membrane-index-primary-nav span {
  padding: 0.95rem 1rem 1.1rem 0.25rem;
  background: rgba(247, 245, 239, 0.32);
}

html[data-theme-id="membrane-academic"] .membrane-index-information {
  border-top: 0;
  background: rgba(250, 249, 245, 0.82);
}

html[data-theme-id="membrane-academic"] .membrane-index-grid {
  grid-template-columns: 0.9fr 0.95fr 1.25fr;
  max-width: 92rem;
  margin-inline: auto;
}

html[data-theme-id="membrane-academic"] .membrane-index-grid > section {
  padding: clamp(2rem, 4vw, 3.6rem);
}

html[data-theme-id="membrane-academic"] .membrane-index-grid h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  line-height: 1.18;
}

html[data-theme-id="membrane-academic"] .membrane-index-thoughts ul,
html[data-theme-id="membrane-academic"] .membrane-index-research-map ul {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
}

html[data-theme-id="membrane-academic"] .membrane-index-thoughts li {
  position: relative;
  padding: 0.78rem 2.1rem 0.78rem 0;
  border-top: 1px solid var(--membrane-rule);
}

html[data-theme-id="membrane-academic"] .membrane-index-thoughts li::after {
  content: "→";
  position: absolute;
  right: 0.1rem;
  top: 0.72rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.9rem;
}

html[data-theme-id="membrane-academic"] .membrane-index-research-map ul {
  display: grid;
  justify-items: center;
  gap: 0;
  max-width: 16rem;
  margin-inline: auto;
}

html[data-theme-id="membrane-academic"] .membrane-index-research-map li {
  position: relative;
  width: 100%;
  padding: 0.5rem 0 1.15rem;
  text-align: center;
}

html[data-theme-id="membrane-academic"] .membrane-index-research-map li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.18rem;
  height: 0.72rem;
  border-left: 1px solid var(--membrane-rule);
}

html[data-theme-id="membrane-academic"] .membrane-index-reading table {
  border-collapse: collapse;
  table-layout: fixed;
}

html[data-theme-id="membrane-academic"] .membrane-index-reading th,
html[data-theme-id="membrane-academic"] .membrane-index-reading td {
  padding: 0.62rem 0.35rem;
  border-bottom: 1px solid var(--membrane-rule);
  vertical-align: top;
  text-align: left;
}

html[data-theme-id="membrane-academic"] .membrane-index-reading th:first-child,
html[data-theme-id="membrane-academic"] .membrane-index-reading td:first-child {
  width: 4.2rem;
  font-variant-numeric: tabular-nums;
}

html[data-theme-id="membrane-academic"] .membrane-index-bibliography {
  max-width: 92rem;
  margin-inline: auto;
  background:
    linear-gradient(90deg, rgba(208, 219, 216, 0.38), rgba(247, 245, 239, 0.5) 55%, rgba(203, 216, 212, 0.32));
}

html[data-theme-id="membrane-academic"] .membrane-index-about {
  border-top: 1px solid var(--membrane-rule);
}

@media (max-width: 900px) {
  html[data-theme-id="membrane-academic"] .membrane-masthead-inner {
    grid-template-columns: 1fr auto;
  }

  html[data-theme-id="membrane-academic"] .membrane-masthead-publication {
    border-right: 0;
  }

  html[data-theme-id="membrane-academic"] .membrane-masthead-nav {
    grid-column: 1 / -1;
    border-top: 1px solid var(--membrane-rule);
  }

  html[data-theme-id="membrane-academic"] .membrane-index-hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    padding: 3rem 1.4rem 0;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-title,
  html[data-theme-id="membrane-academic"] .membrane-index-introduction,
  html[data-theme-id="membrane-academic"] .membrane-index-primary-nav {
    grid-column: 1;
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-regions {
    display: none;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-hero::before {
    inset: -8% -60% 47% 26%;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-hero::after {
    inset: 55% 28% -32% -45%;
  }
}

@media (max-width: 640px) {
  html[data-theme-id="membrane-academic"] .membrane-masthead-inner {
    grid-template-columns: 1fr;
    padding-inline: 0.6rem;
  }

  html[data-theme-id="membrane-academic"] .membrane-masthead-brand,
  html[data-theme-id="membrane-academic"] .membrane-masthead-publication {
    border-right: 0;
    border-bottom: 1px solid var(--membrane-rule);
  }

  html[data-theme-id="membrane-academic"] .membrane-masthead-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  html[data-theme-id="membrane-academic"] .membrane-index-title h1::before {
    font-size: clamp(2.4rem, 12vw, 3.2rem);
  }

  html[data-theme-id="membrane-academic"] .membrane-title-ja {
    font-size: clamp(3.4rem, 19vw, 5.4rem);
  }

  html[data-theme-id="membrane-academic"] .membrane-title-en {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  html[data-theme-id="membrane-academic"] .membrane-index-primary-nav {
    grid-template-columns: 1fr;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-grid {
    grid-template-columns: 1fr;
    margin-inline: 0.8rem;
    min-width: 0;
    max-width: calc(100% - 1.6rem);
  }

  html[data-theme-id="membrane-academic"] .membrane-index-grid > section,
  html[data-theme-id="membrane-academic"] .membrane-index-reading,
  html[data-theme-id="membrane-academic"] .membrane-index-reading table {
    min-width: 0;
    max-width: 100%;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-reading {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-reading table {
    width: 100%;
    table-layout: fixed;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-reading th,
  html[data-theme-id="membrane-academic"] .membrane-index-reading td {
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  html[data-theme-id="membrane-academic"] .membrane-index-reading th:first-child,
  html[data-theme-id="membrane-academic"] .membrane-index-reading td:first-child {
    width: 3.2rem;
    white-space: normal;
  }
}

/*
更新履歴
- 2026-08-28 17:06 JST：mobileでH1のintrinsic widthがGrid列を押し広げるoverflowを修正。
- 2026-08-28 16:53 JST：mobile visual QAの横方向overflowをReading欄内へ封じ込め。
- 2026-08-26 17:20 JST：Visual Target v0.1に合わせたrefinementを作成。
*/