.u-pc-only {
  @media (max-width: 768px) {
    display: none;
  }
}

.recruit-fv--about {
  background-image: url(../img/about/about-fv.webp);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: scroll;
  min-height: clamp(360px, 60vh, 620px);
  position: relative;
  margin: 0 0 6rem
}

.recruit-fv--about::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .22);
  pointer-events: none;
  z-index: 0
}

.about-fv__content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(140px, 30vh, 220px) 20px 80px;
  color: #fff
}

.about-fv__eyebrow {
  margin: 0 0 .6rem;
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: .08em
}

.about-fv__title {
  margin: 0;
  font-family: "LINE Seed JP", sans-serif;
  font-weight: 700;
  font-size: clamp(3.2rem, 4vw, 4.8rem);
  line-height: 1.3
}

.about-fv__lead {
  margin: 1.6rem 0 0;
  max-width: 32em;
  font-size: 1.5rem;
  line-height: 1.9
}

@media (max-width:640px) {
  .recruit-fv--about {
    background-image: url(../img/about/about-fv-sp.webp);
  }

  .about-fv__content {
    padding-top: 140px;
    padding-bottom: 56px
  }

  .about-fv__title {
    font-size: 2.6rem
  }
}

.about-nav {
  margin: 0 0 112px;
  background: #fff
}

.about-nav__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px
}

.about-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px
}

.about-nav__item {
  flex: 0 0 auto
}

.about-nav__link {
  position: relative;
  display: block;
  width: 198px;
  height: 112px;
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .15)
}

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

.about-nav__link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .28)
}

.about-nav__label {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  font-family: "LINE Seed JP", sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  white-space: nowrap
}

.about-nav__icon {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: grid;
  place-items: center
}

.about-nav__icon::before {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg) translateY(-1px)
}

.about-nav__link:hover .about-nav__icon {
  transform: translateX(-50%) translateY(1px)
}

.about-nav__link:hover::before {
  background: rgba(0, 0, 0, .35)
}

@media (max-width:768px) {
  .about-nav__list {
    gap: 10px;
  }

  .about-nav__link {
    width: calc(30vw - 40px);
    max-width: 260px
  }
}

@media (max-width:560px) {
  .about-nav__link {
    width: 84px;
    height: auto;
    aspect-ratio: 1/1;
  }

  .about-nav__label {
    top: 16px;
    font-size: 1.4rem;
    letter-spacing: 0.1em;
  }

  .about-nav__icon {
    width: 24px;
    height: 24px;
    bottom: 14px;
  }
}

.about-history {
  padding: 0 0 162px
}

.about-history__inner {
  width: min(1120px, 92%);
  margin: 0 auto
}

.about-history__title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px
}

.about-history__sub {
  color: #ff4b00;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 40px
}

.about-history__hero-img img {
  width: 100%;
  height: 380px;
  border-radius: 10px;
  display: block;
  margin-bottom: 48px
}

.about-history__lead h3 {
  font-size: 2.4rem;
  margin-bottom: 16px
}

.about-history__lead p {
  line-height: 1.8;
  margin-bottom: 60px
}

.about-history__block {
  position: relative;
  padding: 36px 0 36px 64px;
  border-bottom: 1px solid #E5E5E5;
}

.about-history__year {
  font-size: 26px;
  font-weight: 800;
  position: absolute;
  left: 0;
  top: 50%;
  width: 80px;
  text-align: center;
  line-height: 1;
  transform: translateY(-50%);
}

/* .about-history__timeline-dot {
  position: absolute;
  left: 40px;
  top: calc(26px + 20px);
  width: 6px;
  height: 100%;
  background-image: radial-gradient(circle, #555 3px, transparent 3px);
  background-size: 6px 18px;
  background-repeat: repeat-y;
  background-position: center top
} */

.about-history__content {
  margin-left: 64px;
}

.about-history__img img {
  width: 382px;
  height: 236px;
  border-radius: 6px;
  display: block;
  margin-bottom: 12px
}

.about-history__caption {
  font-weight: 700;
}

.about-history__text {
  width: 320px;
  line-height: 1.7
}

.about-history__buttons {
  display: flex;
  gap: 30px;
  margin-top: 12px
}

.about-history__btn {
  position: relative;
  background: #ff4b00;
  color: #fff;
  padding: 16px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  width: 270px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none
}

.about-history__btn::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-right: 14px solid #ff4b00
}

.about-philosophy {
  padding: 80px 0
}

.about-philosophy__inner {
  width: min(1120px, 92%);
  margin: 0 auto
}

.about-philosophy__title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px
}

.about-philosophy__sub {
  color: #ff4b00;
  font-size: 14px;
  margin-bottom: 40px
}

.about-philosophy__hero img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 8px;
  display: block;
  margin-bottom: 40px
}

.about-philosophy__body {
  line-height: 1.9
}

.about-philosophy__lead {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 24px
}

.about-philosophy__body p+p {
  margin-top: 16px
}

.about-company {
  padding: 80px 0
}

.about-company__inner {
  width: min(1120px, 92%);
  margin: 0 auto
}

.about-company__title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px
}

.about-company__sub {
  color: #ff4b00;
  font-size: 14px;
  margin-bottom: 32px
}

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

.about-company__table th,
.about-company__table td {
  border-bottom: 1px solid #e5e5e5;
  padding: 18px 0
}

.about-company__table th {
  width: 160px;
  font-weight: 700;
  color: #ff4b00;
  text-align: left;
  vertical-align: top
}

.about-company__table td {
  padding-left: 40px;
  line-height: 1.8
}

@media (max-width:640px) {

  .about-history__block {
    padding: 2rem 0;
  }

  .about-history__year {
    font-size: 2.4rem;
    position: static;
    transform: none;
    margin-bottom: 8px;
  }

  .about-history__content {
    margin-left: 0;
    font-size: 1.4rem;
  }

  .about-history__text {
    width: 100%;
  }

  .about-history__buttons {
    flex-direction: column;
  }

  .about-history__btn {
    width: 100%;
  }

  .about-company__table {
    font-size: 1.4rem;
  }

  .about-company__inner {
    width: min(1120px, 92%);
    margin: 0 auto
  }

  .about-company__table th {
    width: 80px;
  }

  .about-company__table td {
    padding-left: 10px;
  }

}

@media (max-width:560px) {
  .about-nav {
    margin: 0 0 60px;
  }

  .about-history__lead h3 {
    font-size: 2rem;
  }

  .about-history {
    padding: 0 0 40px;
  }

  .about-philosophy,
  .about-company {
    padding: 40px 0;
  }

  .about-philosophy__lead {
    font-size: 2rem;
  }

  .about-history__title,
  .about-philosophy__title,
  .about-company__title {
    font-size: 2.4rem;
  }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
  .about-nav {
    background-color: #111;
  }
}