/* about.html 専用。共通デザインを継承し、本展紹介本文のみ調整 */
.about-page {
  position: relative;
  overflow: hidden;
}

.about-page::after {
  position: absolute;
  z-index: 0;
  top: 140px;
  right: auto;
  left: 12px;
  color: #dde9e4;
  content: "ABOUT";
  font-family: "Inter", Arial, sans-serif;
  font-size: clamp(84px, 10vw, 162px);
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1;
  pointer-events: none;
  text-orientation: mixed;
  white-space: nowrap;
  writing-mode: vertical-rl;
}

.about-page__inner {
  position: relative;
  z-index: 1;
}

.about-page__header {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.about-page__header h1,
.about-highlights__header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.35;
}

.about-page__intro {
  max-width: 920px;
  margin: 0 auto;
  padding: 0;
  background: transparent;
}

.about-page__intro p {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 2;
}

.about-highlights {
  max-width: 1000px;
  margin: clamp(64px, 9vw, 112px) auto 0;
  padding: clamp(32px, 5vw, 56px);
  border: 1px solid var(--green);
  background: var(--paper);
}

.about-highlights__header {
  margin-bottom: 0;
  padding-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--green);
  text-align: center;
}

.about-highlights__header h2 {
  color: var(--green);
  font-size: clamp(28px, 3.5vw, 40px);
}

.about-highlight {
  display: block;
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(36px, 5vw, 52px) 0 0;
  text-align: center;
}

.about-highlight h3 {
  margin: 0 0 16px;
  color: var(--green);
  font-family: var(--serif);
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.55;
}

.about-highlight-title-break {
  display: none;
}

.about-highlight p {
  max-width: 820px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 2;
}

.about-highlight-artwork {
  max-width: 820px;
  margin: clamp(28px, 4vw, 42px) auto 0;
}

.about-highlight-artwork img {
  display: block;
  width: 100%;
  height: auto;
}

.about-highlight-artwork p.artwork-credit {
  max-width: none;
}

@media (max-width: 700px) {
  .about-page::after {
    top: 96px;
    font-size: 72px;
  }

  .about-page__intro {
    padding: 0;
  }

  .about-highlights {
    padding: 28px 8px 36px;
  }

  .about-highlight {
    padding-top: 32px;
  }

  .about-highlight h3 {
    font-size: clamp(15px, 4.7vw, 20px);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.55;
  }

  .about-highlight-title-line {
    display: inline-block;
    max-width: 100%;
    white-space: nowrap;
  }

  .about-highlight-title-break {
    display: inline;
  }

  .about-highlight p {
    max-width: 100%;
    font-size: 15px;
    line-height: 1.9;
  }
}