/* ============================================================
   Aboutページ専用スタイル
   ============================================================ */


/* --- Introduction --- */
.about-intro {
  padding-block: 80px 100px;
}

.about-intro__layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
  gap: 0;
}

.about-intro__visual {
  position: relative;
  z-index: 1;
  margin: 0;
  min-height: 0;
}

.about-intro__visual picture {
  display: block;
  height: 100%;
}

.about-intro__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--color-gray-300);
  box-shadow: var(--shadow-soft);
}

.about-intro__panel {
  position: relative;
  z-index: 2;
  margin-left: -80px;
  padding: 56px 48px;
  background-color: var(--color-main);
  color: var(--color-white);
}

.about-intro__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.about-intro__label::before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-accent);
}

.about-intro__title {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 28px;
}

.about-intro__body {
  font-size: 16px;
  line-height: var(--line-height);
  color: rgba(255, 255, 255, 0.88);
}

.about-intro__body p + p {
  margin-top: 1.5em;
}


/* --- MVV（Mission / Vision / Value 統合ブロック） --- */
.about-mvv {
  padding-block: 80px 100px;
  background-color: var(--color-bg-light);
}

.about-mvv__block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.about-mvv__mv-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.about-mv-card {
  position: relative;
  padding: 48px 40px 48px 48px;
  background-color: var(--color-white);
  overflow: hidden;
}

.about-mv-card--mission {
  border-right: 1px solid var(--color-border);
}

.about-mv-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
}

.about-mv-card--mission::before {
  background-color: var(--color-accent);
}

.about-mv-card--vision::before {
  background-color: var(--color-border);
}

.about-mv-card__label,
.about-value__label {
  position: relative;
  margin: 0 0 24px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  white-space: nowrap;
}

.about-mv-card__label {
  color: var(--color-accent);
}

.about-value__label {
  color: var(--color-accent);
  margin-bottom: 12px;
}

.about-value__intro {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 8px;
  min-width: 232px;
  overflow: visible;
  padding-top: 36px;
  padding-bottom: 0;
}

.about-value__title-block {
  position: relative;
  display: block;
  margin-bottom: 0;
  flex-shrink: 0;
}

.about-value__heading {
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  text-wrap: pretty;
  line-break: strict;
  word-break: keep-all;
  margin-top: 0;
  padding-top: 0;
  padding-left: 0;
}

.about-mv-card__title {
  position: relative;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.7;
  color: var(--color-main);
  margin-bottom: 24px;
  text-wrap: pretty;
  line-break: strict;
  word-break: keep-all;
}

.about-mv-card__body {
  position: relative;
  font-size: 16px;
  line-height: var(--line-height);
  color: var(--color-text-muted);
}

.about-mvv__value {
  padding: 64px 48px 64px;
  background-color: var(--color-main);
  color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.about-value__layout {
  display: grid;
  grid-template-columns: minmax(232px, max-content) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.about-value__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
  min-width: 0;
  width: 100%;
  align-items: stretch;
}

.about-value-item {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 20px 28px;
  border: 1px solid rgba(216, 222, 228, 0.35);
  overflow: visible;
  min-width: 0;
  height: 100%;
}

.about-value-item__number {
  position: absolute;
  top: -12px;
  left: 0;
  transform: translateX(-4px);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--color-accent);
  background-color: var(--color-main);
  padding: 4px 8px 4px 0;
}

.about-value-item__title {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 16px;
}

.about-value-item__body {
  font-size: 16px;
  line-height: var(--line-height);
  color: rgba(255, 255, 255, 0.78);
}


/* --- Message --- */
.about-message {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  background-color: var(--color-gray-300);
  background-image: url("../images/about-message.jpg");
  background-image: image-set(
    url("../images/about-message.webp") type("image/webp"),
    url("../images/about-message.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.about-message__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(23, 32, 51, 0.82) 0%,
    rgba(23, 32, 51, 0.55) 45%,
    rgba(23, 32, 51, 0.2) 100%
  );
}

.about-message__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: 100px;
}

.about-message__content {
  max-width: 640px;
}

.about-message__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.about-message__label::before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-accent);
}

.about-message__heading {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 700;
  line-height: 1.7;
  color: var(--color-white);
  margin-bottom: 28px;
}

.about-message__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 16px;
  line-height: var(--line-height);
  color: rgba(255, 255, 255, 0.88);
}

.about-message__body p {
  margin: 0;
}


/* --- CTA（別案：MVVと同様の統合カード型） --- */
.about-cta {
  padding-block: 80px 100px;
  background-color: var(--color-white);
}

.about-cta__block {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.about-cta__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.about-cta-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 280px;
  padding: 56px 48px;
}

.about-cta-panel--contact {
  background-color: var(--color-main);
  color: var(--color-white);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.about-cta-panel--reform {
  background-color: var(--color-white);
}

.about-cta-panel__label {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.about-cta-panel--contact .about-cta-panel__label {
  color: var(--color-accent);
}

.about-cta-panel--contact .about-cta-panel__title {
  color: var(--color-white);
}

.about-cta-panel--contact .about-cta-panel__body {
  color: rgba(255, 255, 255, 0.78);
}

.about-cta-panel__title {
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-main);
  margin-bottom: 16px;
}

.about-cta-panel__body {
  font-size: 16px;
  line-height: var(--line-height);
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.about-cta-panel__btn {
  margin-top: 0;
}


/* --- レスポンシブ --- */
@media (max-width: 768px) {

  .about-intro {
    padding-block: 48px 64px;
  }

  .about-intro__layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .about-intro__visual picture {
    height: auto;
  }

  .about-intro__image {
    aspect-ratio: 4 / 3;
    height: auto;
  }

  .about-intro__panel {
    margin-left: 0;
    margin-top: -32px;
    padding: 40px 24px;
  }

  .about-mvv {
    padding-block: 48px 64px;
  }

  .about-mvv__mv-row {
    grid-template-columns: 1fr;
  }

  .about-mv-card {
    padding: 36px 24px 36px 32px;
    min-width: 0;
  }

  .about-mv-card__label,
  .about-value__label {
    font-size: clamp(18px, 5vw, 22px);
    margin-bottom: 20px;
  }

  .about-mv-card__title {
    font-size: clamp(17px, 4.4vw, 20px);
    line-height: 1.75;
    padding-right: 4px;
  }

  .about-mv-card__body {
    font-size: 16px;
    line-height: var(--line-height);
  }

  .about-mv-card--mission {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .about-mvv__value {
    padding: 48px 24px 32px;
  }

  .about-value__layout {
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: start;
  }

  .about-value__intro {
    display: block;
    min-width: 0;
    padding-top: 0;
    padding-bottom: 0;
  }

  .about-value__title-block {
    margin-bottom: 0;
  }

  .about-value__heading {
    margin-top: 0;
    padding-top: 0;
    font-size: clamp(20px, 2.2vw, 24px);
    line-height: 1.35;
  }

  .about-value__list {
    grid-template-columns: 1fr;
  }

  .about-message {
    min-height: auto;
  }

  .about-message__inner {
    padding-block: 64px;
  }

  .about-message__overlay {
    background: rgba(23, 32, 51, 0.78);
  }

  .about-cta {
    padding-block: 48px 64px;
  }

  .about-cta__row {
    grid-template-columns: 1fr;
  }

  .about-cta-panel {
    min-height: auto;
    padding: 40px 24px;
  }

  .about-cta-panel--contact {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
}