/* ============================================================
   about.css — 代表挨拶ページ専用スタイル
   ============================================================ */

/* ---------- PAGE HERO ---------- */
.page-hero {
  padding: 140px 24px 80px;
  text-align: center;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(61, 107, 94, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(196, 162, 101, 0.05) 0%, transparent 50%),
    var(--color-bg);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

.page-hero__label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

/* ---------- MESSAGE HERO (Photo + Intro) ---------- */
.about-message {
  padding-top: 80px;
  padding-bottom: 40px;
}

.about-message__hero {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 64px;
}

.about-message__photo {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.about-message__photo::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  border-radius: 8px;
  z-index: -1;
  opacity: 0.3;
}

.about-message__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  filter: grayscale(0.1);
}

.about-message__intro-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.about-message__intro-sub {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-light);
}

/* ---------- PATIENT TRACK RECORD ---------- */
.about-patient-track {
  max-width: 720px;
  margin: 0 auto 64px;
  padding: 32px 36px 36px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(61, 107, 94, 0.06);
}

.about-patient-track__title {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin: 0 0 12px;
  line-height: 1.5;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.about-patient-track__lead {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin: 0 0 20px;
  letter-spacing: 0.04em;
}

.about-patient-track__list {
  margin: 0 0 20px;
  padding-left: 1.25em;
  list-style: disc;
}

.about-patient-track__list li {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

.about-patient-track__list li:last-child {
  margin-bottom: 0;
}

/* ---------- MESSAGE BODY ---------- */
.about-message__body {
  max-width: 760px;
  margin: 0 auto;
}

.about-message__section {
  margin-bottom: 40px;
}

.about-message__section p {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.about-message__section p:last-child {
  margin-bottom: 0;
}

/* Signature */
.about-message__sign {
  text-align: right;
  padding-top: 40px;
  margin-top: 48px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.about-message__sign-org {
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}

.about-message__sign-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

/* ---------- DIVIDER ---------- */
.about-divider {
  padding: 0;
}

.about-divider__line {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-border) 20%,
    var(--color-accent) 50%,
    var(--color-border) 80%,
    transparent 100%
  );
  opacity: 0.6;
}

/* ---------- STORY ---------- */
.about-story {
  padding-top: 80px;
}

.about-story__body {
  max-width: 760px;
  margin: 0 auto;
}

.about-story__chapter {
  position: relative;
  padding-left: 48px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.about-story__chapter:last-of-type {
  border-bottom: none;
}

.about-story__chapter-num {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  color: var(--color-accent);
  opacity: 0.4;
  line-height: 1;
}

.about-story__chapter-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.about-story__chapter p {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.about-story__chapter p:last-child {
  margin-bottom: 0;
}

/* Closing */
.about-story__closing {
  text-align: center;
  padding: 48px 32px;
  background: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  margin-top: 16px;
}

.about-story__closing p {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 600;
  line-height: 2;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

/* ---------- CREDENTIALS ---------- */
.about-credentials {
  padding-bottom: 40px;
}

.credentials__scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 0 24px 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}
.credentials__scroll::-webkit-scrollbar {
  height: 6px;
}
.credentials__scroll::-webkit-scrollbar-track {
  background: transparent;
}
.credentials__scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}
.credentials__scroll::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

.credentials__track {
  display: flex;
  gap: 20px;
  width: max-content;
  padding-bottom: 8px;
}

.credentials__item {
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.credentials__item img {
  height: 260px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  padding: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.credentials__item img:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.credentials__caption {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-align: center;
  max-width: 200px;
}

/* ---------- BACK ---------- */
.about-back {
  padding-top: 40px;
  padding-bottom: 80px;
}

/* ---------- PC ONLY ---------- */
.pc-only {
  display: inline;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .page-hero {
    padding: 120px 20px 60px;
  }

  .about-message__hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-message__photo {
    max-width: 300px;
    margin: 0 auto;
  }

  .about-message__intro {
    text-align: center;
  }

  .about-patient-track {
    padding: 24px 20px 28px;
    margin-bottom: 48px;
  }

  .about-story__chapter {
    padding-left: 36px;
  }

  .about-story__chapter-num {
    font-size: 1.6rem;
  }

  .about-story__closing {
    padding: 32px 20px;
  }

  .pc-only {
    display: none;
  }

  .credentials__item {
    min-width: 180px;
  }
  .credentials__item img {
    height: 220px;
  }
}