/* ============================================================
   塾紹介ページ – page-about.css
   ============================================================ */

/* ---- About Intro ---- */
.about-intro {
  background: var(--color-white);
}

.about-intro__inner {
  display: grid;
  gap: var(--space-10);
  align-items: center;
  max-width: 960px;
  margin-inline: auto;
}

@media (min-width: 1024px) {
  .about-intro__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.about-intro__heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--weight-black);
  color: var(--color-navy);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-5);
}

.about-intro__heading em {
  font-style: normal;
  color: var(--color-primary);
}

.about-intro__text {
  font-size: var(--text-base);
  color: var(--color-text-sub);
  line-height: var(--leading-loose);
}

.about-intro__text p + p { margin-top: var(--space-4); }

.about-intro__visual {
  border-radius: var(--radius-xl);
  aspect-ratio: 4/3;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.about-intro__visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---- School Info ---- */
.about-info {
  background: var(--color-bg-gray);
}

.about-info__inner {
  display: grid;
  gap: var(--space-8);
  max-width: 960px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .about-info__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.about-info__card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.about-info__card-head {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.about-info__card-head-icon { font-size: 1.2rem; }

.about-info__table {
  width: 100%;
  border-collapse: collapse;
}

.about-info__table tr {
  border-bottom: 1px solid var(--color-border);
}

.about-info__table tr:last-child { border-bottom: none; }

.about-info__table th,
.about-info__table td {
  padding: var(--space-3) var(--space-5);
  text-align: left;
  vertical-align: top;
  font-size: var(--text-sm);
}

.about-info__table th {
  width: 90px;
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  white-space: nowrap;
}

.about-info__table td {
  color: var(--color-text);
  line-height: var(--leading-normal);
}

/* ---- Message ---- */
.about-message {
  background: var(--color-primary-bg);
}

.about-message__inner {
  max-width: 860px;
  margin-inline: auto;
  display: grid;
  gap: var(--space-10);
  align-items: start;
}

@media (min-width: 768px) {
  .about-message__inner {
    grid-template-columns: 220px 1fr;
    gap: var(--space-12);
  }
}

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

.about-message__avatar {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-inline: auto;
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-md);
  background: var(--color-bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.about-message__name {
  margin-top: var(--space-3);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  font-size: var(--text-base);
}

.about-message__role {
  font-size: var(--text-xs);
  color: var(--color-text-sub);
  margin-top: var(--space-1);
}

.about-message__content {}

.about-message__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-family: var(--font-en);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.about-message__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-5);
  padding-left: var(--space-4);
  border-left: 4px solid var(--color-primary);
}

.about-message__body {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: var(--leading-loose);
}

.about-message__body p + p { margin-top: var(--space-4); }

/* ---- Staff ---- */
.about-staff {
  background: var(--color-white);
}

.about-staff__grid {
  display: grid;
  gap: var(--space-6);
  max-width: 860px;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .about-staff__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .about-staff__grid { grid-template-columns: repeat(3, 1fr); }
}

.staff-card {
  background: var(--color-bg-gray);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.staff-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.staff-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-primary-bg);
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-sm);
}

.staff-card__name {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  margin-bottom: var(--space-1);
}

.staff-card__role {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
}

.staff-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-sub);
  line-height: var(--leading-normal);
}

/* ---- Gallery ---- */
.about-gallery {
  background: var(--color-bg-gray);
}

.about-gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  max-width: 960px;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .about-gallery__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .about-gallery__grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
}

.about-gallery__item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-gray);
  position: relative;
}

.about-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-gallery__item:hover img { transform: scale(1.05); }

.about-gallery__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F0F0EE 0%, #E4E4E0 100%);
  gap: var(--space-2);
}

.about-gallery__placeholder-icon { font-size: 2rem; }

.about-gallery__placeholder-text {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* ---- ECC Group ---- */
.about-ecc {
  background: var(--color-navy);
  color: var(--color-white);
}

.about-ecc__inner {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.about-ecc__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-yellow);
  margin-bottom: var(--space-4);
}

.about-ecc__text {
  font-size: var(--text-base);
  color: rgba(255,255,255,.8);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-6);
}

.about-ecc__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.about-ecc__badge {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
}

/* ---- Strengths ---- */
.about-strengths {
  background: var(--color-white);
}

.about-strengths__grid {
  display: grid;
  gap: var(--space-5);
  max-width: 960px;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .about-strengths__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .about-strengths__grid { grid-template-columns: repeat(3, 1fr); }
}

.strength-card {
  background: var(--color-bg-gray);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border-top: 4px solid var(--color-primary);
  transition: transform var(--transition-base);
}

.strength-card:hover { transform: translateY(-3px); }

.strength-card__num {
  font-family: var(--font-en);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  background: var(--color-primary-bg);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.strength-card__icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}

.strength-card__title {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.strength-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-sub);
  line-height: var(--leading-normal);
}