/* =========================================
   concept.css
   ========================================= */

.concept {
  background-color: var(--color-base-light);
  padding-top: 7.3rem;
  padding-bottom: 8.4rem;
  overflow: hidden;
}

/* --- Intro --- */
.concept__intro {
  text-align: center;
  margin-bottom: 8.4rem;
}

.concept__intro-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 63.1rem;
  height: 7.9rem;
  margin: 0 auto 3.5rem;
  font-family: var(--font-ja);
  font-weight: 700;
  font-size: 3.6rem;
  letter-spacing: 0.12em;
}

.concept__intro-title {
  color: var(--color-text-main);
}

.concept__intro-top {
  display: inline-block;
  line-height: 1.5;
}

.concept__intro-celevi {
  font-size: 5rem;
  letter-spacing: 0.2em;
}

.concept__intro-no {
  font-size: 3.8rem;
  letter-spacing: 0.2em;
}

.concept__intro-bottom {
  display: inline-block;
  font-size: 5rem;
  letter-spacing: 0.2em;
  line-height: 1.4;
  margin-top: 2rem;
}

/* マーカー装飾 */
.concept__intro-highlight {
  position: relative;
  display: inline-block;
  z-index: 1;
}

.concept__intro-highlight::after {
  content: "";
  position: absolute;
  bottom: -0.4rem;
  left: 0;
  width: 100%;
  height: 1.1rem;
  background-color: var(--color-gold);
  z-index: -1;
}

.concept__intro-desu {
  font-size: 3rem;
  letter-spacing: 0.2em;
  text-decoration: none;
}

/* --- Box --- */
.concept__box {
  max-width: 144rem;
  height: 52.7rem;
  margin: 0 auto 8.4rem;
  position: relative;
}

.concept__box-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 92.7rem;
  height: 100%;
  z-index: 1;
}

.concept__box-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.concept__box-content {
  position: absolute;
  top: 50%;
  left: 84rem;
  transform: translateY(-50%);
  z-index: 2;
  width: calc(144rem - 84rem);
}

.concept__box-title-en {
  text-align: left;
  margin-bottom: 6.9rem;
}

.concept__box-copy {
  font-family: var(--font-ja);
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 4.2rem;
  letter-spacing: 0.1em;
  color: var(--color-text-main);
  margin-bottom: 4.8rem;
}

.concept__box-desc {
  font-family: var(--font-ja);
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 2.8rem;
  letter-spacing: 0.1em;
  color: var(--color-text-main);
}

/* --- Benefit --- */
.concept__benefit-inner {
  max-width: 96rem;
  margin: 0 auto;
}

.concept__benefit-title-en {
  margin-bottom: 4rem;
}

.concept__benefit-copy {
  font-size: 3.6rem;
  line-height: 6.6rem;
  letter-spacing: 0.2em;
  margin-bottom: 5.3rem;
  white-space: nowrap;
}

.concept__benefit-highlight {
  color: var(--color-gold);
  background-color: var(--color-text-main);
  padding: 1.2rem 1.6rem;
  display: inline-block;
  line-height: 1;
  vertical-align: middle;
}

.concept__benefit-list {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6.1rem;
}

.concept__benefit-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 25%;
}

.concept__benefit-icon-wrapper {
  height: 7rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin-bottom: 2rem;
}

.concept__benefit-icon--01 { width: 7.9rem; height: 6.6rem; }
.concept__benefit-icon--02 { width: 6.6rem; height: 6.9rem; }
.concept__benefit-icon--03 { width: 7.2rem; height: 6rem; }
.concept__benefit-icon--04 { width: 7.7rem; height: 6.4rem; }

.concept__benefit-text {
  font-family: var(--font-sub-sans);
  font-weight: 500;
  font-size: 2rem;
  letter-spacing: 0.1em;
  color: var(--color-text-main);
  text-align: center;
  white-space: nowrap;
}

.concept__btn {
  max-width: 45.2rem;
}


/* =========================================
   Responsive (SP / Tablet)
   ========================================= */
@media (max-width: 1024px) {
  .concept {
    padding-top: 4rem;
    padding-bottom: 6rem;
  }

  /* --- Intro --- */
  .concept__intro {
    margin-bottom: 6rem;
  }

  .concept__intro-label {
    width: 34.9rem;
    height: 5.8rem;
    font-size: 2.2rem;
    line-height: 1.3;
    letter-spacing: 0.05em;
    margin: 0 auto 2rem;
  }

  .concept__intro-top {
    line-height: 1.2;
  }

  .concept__intro-celevi {
    font-size: 3.2rem;
  }

  .concept__intro-no {
    font-size: 2.2rem;
  }

  .concept__intro-bottom {
    font-size: 3.2rem;
    line-height: 1.3;
    margin-top: 1rem;
  }

  .concept__intro-highlight::after {
    bottom: -0.2rem;
    height: 0.8rem;
  }

  .concept__intro-desu {
    font-size: 2.2rem;
    text-decoration: none;
    display: inline;
  }

  /* --- Box (CONCEPT) --- */
  .concept__box {
    display: block;
    height: auto;
    margin-bottom: 6rem;
  }

  .concept__box-image {
    position: static;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    height: auto;
  }

  .concept__box-content {
    position: static;
    width: 100%;
    transform: none;
    padding: 1.5rem 2rem 0; /* padding-topを3rem→1.5remに変更し位置を上へ */
  }

  .concept__box-title-en {
    text-align: left;
    margin-bottom: 1.5rem; /* 3rem→1.5remに変更し余白を狭める */
    font-size: 2.4rem;
  }

  .concept__box-copy {
    text-align: left;
    margin-bottom: 1.5rem; /* 3rem→1.5remに変更し余白を狭める */
    font-size: 2.6rem;
  }

  .concept__box-desc {
    text-align: left;
    font-size: 1.4rem;
    line-height: 2.4rem;
  }

  /* --- Benefit --- */
  .concept__benefit-inner {
    padding: 0 2rem;
  }

  .concept__benefit-title-en {
    font-size: 2.4rem;
    margin-bottom: 1rem; /* 2rem→1remに変更し余白を狭める */
  }

  .concept__benefit-copy {
    font-size: 2.3rem; /* 2.6rem→2.3remに変更し小さく調整 */
    line-height: 4.2rem; /* サイズに合わせて行間も微調整 */
    letter-spacing: 0.02em;
    margin-bottom: 4rem;
    white-space: normal;
  }

  .concept__benefit-highlight {
    padding: 0.8rem 1rem;
  }

  .concept__benefit-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 1rem;
    margin-bottom: 5rem;
  }

  .concept__benefit-item {
    width: 100%;
  }

  .concept__benefit-icon-wrapper {
    height: 6rem;
  }

  .concept__benefit-icon--01 { width: 6rem; height: 5.1rem; }
  .concept__benefit-icon--02 { width: 5rem; height: 5.2rem; }
  .concept__benefit-icon--03 { width: 5.5rem; height: 4.6rem; }
  .concept__benefit-icon--04 { width: 5.9rem; height: 4.9rem; }

  .concept__benefit-text {
    font-size: 1.5rem;
    margin-top: 1rem;
  }
}