/* ============================================
   Concept
   ============================================ */
.concept {
  position: relative;
  background: var(--black1);
  padding: 120px 0 0;
  overflow: hidden;
}

.concept__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 80px;
  max-width: 1140px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

.concept__heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-transform: uppercase;
  color: var(--white);
}

.concept__heading-en {
  font-family: 'Avenir', sans-serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1;
  letter-spacing: 1.92px;
  opacity: 0.5;
}

.concept__heading-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.96px;
  opacity: 0.4;
}

.concept__main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
  width: 715px;
}

.concept__tagline-img-wrap {
  width: 713px;
  height: 140px;
  overflow: hidden;
}

.concept__tagline-img {
  width: 100%;
  height: auto;
  margin-top: -62px;
}

.concept__tagline-text {
  font-family: 'Avenir', sans-serif;
  font-weight: 300;
  font-size: 18px;
  line-height: 1;
  letter-spacing: 3.6px;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.5;
  text-align: center;
}

.concept__text-cols {
  display: flex;
  flex-wrap: wrap;
  gap: 40px 138px;
  align-items: flex-end;
  width: 100%;
}

.concept__text-col-left {
  flex: 1 0 0;
  min-width: 335px;
  padding-bottom: 40px;
}

.concept__text-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 350;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.48px;
  color: var(--white);
  width: 475px;
}

.concept__text-col-right {
  flex: 1 0 0;
  min-width: 335px;
}

.concept__text-en {
  font-family: 'Avenir', sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.8px;
  color: var(--white);
  width: 480px;
}

.concept__bg-text {
  width: 100%;
  height: 128px;
  margin-top: 121px;
  overflow: hidden;
}

.concept__bg-text-track {
  display: flex;
  width: max-content;
  animation: marquee-slide 28s linear infinite;
}

.concept__bg-text-content {
  font-family: 'Avenir', sans-serif;
  font-weight: 500;
  font-size: 168px;
  line-height: 1;
  letter-spacing: 13.44px;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.1;
  white-space: nowrap;
  padding-right: 120px;
}

@keyframes marquee-slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================
   Profile
   ============================================ */
.profile {
  position: relative;
  padding: 150px max(20px, calc((100% - 1140px) / 2));
  overflow: hidden;
}

.profile__bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.profile__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.profile__heading {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.profile__heading-en {
  font-family: 'Avenir', sans-serif;
  font-weight: 500;
  font-size: 67px;
  line-height: 1;
  letter-spacing: 5.36px;
  text-transform: uppercase;
  color: var(--black1);
}

.profile__heading-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 1.12px;
  color: var(--black1);
  opacity: 0.4;
}

.profile__content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px 100px;
  padding: 0 120px;
}

.profile__photo-wrap {
  flex: 1 0 0;
  min-width: 1px;
  height: 447px;
  border-radius: 5px;
  overflow: hidden;
}

.profile__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile__info {
  flex: 1 0 0;
  min-width: 1px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.profile__name {
  font-family: 'Avenir', sans-serif;
  font-weight: 500;
  font-size: 36px;
  line-height: 1;
  letter-spacing: 1.8px;
  color: var(--black1);
}

.profile__role {
  font-family: 'Avenir', sans-serif;
  font-weight: 500;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.45px;
  color: var(--black1);
  opacity: 0.4;
}

.profile__bio {
  padding-top: 10px;
}

.profile__bio p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 350;
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.45px;
  color: var(--black1);
}

/* ============================================
   Service
   ============================================ */
.service {
  background: var(--black2);
  padding: 150px max(20px, calc((100% - 1140px) / 2));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 70px;
}

.service__heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.service__heading-en {
  font-family: 'Avenir', sans-serif;
  font-weight: 500;
  font-size: 67px;
  line-height: 1;
  letter-spacing: 5.36px;
  text-transform: uppercase;
  color: var(--white);
}

.service__heading-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 1.12px;
  color: var(--white);
  opacity: 0.4;
}

.service__cards {
  display: flex;
  gap: 45px;
  align-items: stretch;
}

.service__card {
  background: var(--black3);
  border-radius: 5px;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  transition: transform 0.35s ease;
}

.service__card:hover {
  transform: translateY(-8px);
}

.service__card-num {
  font-family: 'Avenir', sans-serif;
  font-weight: 800;
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.72px;
  color: var(--white);
  opacity: 0.5;
}

.service__card-title {
  font-family: 'Avenir', sans-serif;
  font-weight: 500;
  font-size: 38px;
  line-height: 1.4;
  letter-spacing: 1.14px;
  color: var(--white);
  text-align: center;
  text-transform: uppercase;
}

.service__card-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.45px;
  color: var(--white);
  width: 290px;
}

/* ============================================
   Responsive — 786px
   ============================================ */
@media (max-width: 786px) {

  /* -- Page Hero (about固有: 下余白) -- */
  .page-hero {
    padding-bottom: 50px;
  }

  /* -- Concept -- */
  .concept {
    padding-top: 80px;
  }

  .concept__inner {
    gap: 50px;
    padding: 0 24px;
  }

  .concept__main {
    width: 100%;
    gap: 36px;
  }

  .concept__tagline-img-wrap {
    width: 100%;
    height: auto;
    overflow: visible;
  }

  .concept__tagline-img {
    width: 100%;
    margin-top: 0;
    object-fit: contain;
  }

  .concept__tagline-text {
    font-size: 13px;
    letter-spacing: 2.4px;
  }

  .concept__text-cols {
    flex-direction: column;
    gap: 30px;
  }

  .concept__text-col-left,
  .concept__text-col-right {
    min-width: unset;
    padding-bottom: 0;
  }

  .concept__text-ja,
  .concept__text-en {
    width: 100%;
    font-size: 16px;
  }

  .concept__bg-text {
    margin-top: 60px;
    height: 64px;
  }

  .concept__bg-text-content {
    font-size: 80px;
    letter-spacing: 6px;
  }

  /* -- Profile -- */
  .profile {
    padding: 80px 24px;
  }

  .profile__inner {
    gap: 50px;
  }

  .profile__heading-en {
    font-size: 48px;
    letter-spacing: 3.84px;
  }

  .profile__content {
    flex-direction: column;
    padding: 0;
    gap: 30px;
  }

  .profile__photo-wrap {
    flex: none;
    width: 100%;
    height: auto;
    aspect-ratio: 335 / 207;
  }

  .profile__info {
    width: 100%;
    gap: 20px;
  }

  .profile__name {
    font-size: 26px;
  }

  .profile__bio p {
    font-size: 14px;
  }

  /* -- Service -- */
  .service {
    padding: 80px 24px;
    gap: 50px;
  }

  .service__heading-en {
    font-size: 48px;
    letter-spacing: 3.84px;
  }

  .service__cards {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .service__card {
    width: 100%;
    padding: 40px 20px;
  }

  .service__card-title {
    font-size: 34px;
  }

  .service__card-desc {
    width: 100%;
  }
}