/* 事業内容ページ */

.business-page {
  background: #fff;
}

.business-hero {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  display: grid;
  align-items: center;
  background: #fff;
}

.business-hero__bg {
  position: absolute;
  inset: 0;
  background: url("a_imges/top.png") center right / cover;
}

.business-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.65);
  opacity: 0;
  pointer-events: none;
}

.business-hero__leaf {
  position: absolute;
  top: 52px;
  left: 0;
  width: 130px;
  opacity: 0.75;
  z-index: 2;
  pointer-events: none;
}

.business-hero__inner {
  position: relative;
  z-index: 3;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 76px 34px;
}

.business-hero h1 {
  font-size: clamp(2.35rem, 5vw, 3.7rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}

.business-hero__lead {
  color: var(--green-dark);
  font-size: 1.08rem;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.business-hero__inner p:not(.business-hero__lead) {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 2.05;
  color: #44443e;
}

.business-domains {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 34px 54px;
}

.business-heading {
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
}

.business-heading h2 {
  font-size: clamp(1.28rem, 2.5vw, 1.62rem);
  font-weight: 500;
  letter-spacing: 0.18em;
}

/* "6" だけ大きく */
.business-heading__num {
  font-size: 2.4em;
  line-height: 1;
  vertical-align: baseline;
}

.business-heading img {
  width: 28px;
  opacity: 0.68;
}

/* =============================================
   ヒーロー直下：ベージュボックス＋3枚写真
   ============================================= */
.business-intro {
  display: grid;
  /* 左カードを広く / 右写真を小さく */
  grid-template-columns: 2fr 3fr;
  max-width: var(--max);
  margin: 0 auto;
  align-items: stretch;
  overflow: hidden;
  min-height: 160px;
}

/* 左：ベージュテキストボックスの外枠（葉っぱ用の余白含む） */
.business-intro__text {
  position: relative;
  display: flex;
  align-items: center;
  /* 葉っぱが左外に出るため左に余白 */
  margin: 22px 0 22px 50px;
  padding: 28px 28px 28px 28px;
  background: #f9f8f6;
  border: 1px solid #cfc4aa;
  border-radius: 6px;
}

/* 葉っぱ：ボックスの左上外側に配置 */
.business-intro__leaf {
  position: absolute;
  left: -36px;
  top: -18px;
  width: 58px;
  opacity: 0.85;
}

.business-intro__text p {
  font-family: var(--serif);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 2.4;
  color: #3a3a34;
  letter-spacing: 0.04em;
}

/* 右：写真3枚 均等・隙間なし・高さ充填 */
.business-intro__photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

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

/* 一番左の写真：左側に白グラデーションオーバーレイ */
.business-intro__photo-wrap {
  position: relative;
  overflow: hidden;
  height: 100%;
}

.business-intro__photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.business-intro__photo-wrap--fade::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #fff 0%, rgba(255,255,255,0) 50%);
  pointer-events: none;
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.domain-card {
  position: relative;
  min-height: 470px;
  padding: 28px 20px 22px;
  border: 1px solid #e3ddd1;
  border-radius: 6px;
  background: #fff;
  overflow: hidden;
}

.domain-card--gold {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px rgba(199, 164, 98, 0.35);
}

.domain-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: 78px solid var(--green-dark);
  border-right: 78px solid transparent;
}

.domain-card--gold::before {
  border-top-color: var(--gold);
}

.domain-card__number {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  color: #fff;
  font-family: var(--sans);
  font-size: 1.35rem;
  font-weight: 600;
}

.domain-card h3 {
  min-height: 72px;
  margin: 0 0 16px;
  padding: 0 20px;
  display: grid;
  place-items: center;
  color: var(--green-dark);
  font-size: clamp(1.15rem, 1.7vw, 1.35rem);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.1em;
  text-align: center;
  white-space: nowrap;
}

.domain-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin-bottom: 18px;
}

.domain-card ul {
  padding-left: 1.15em;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.95;
  color: #474740;
}

.business-values {
  max-width: var(--max);
  margin: 0 auto;
  padding: 10px 34px 48px;
}

.business-values__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.business-value {
  padding: 0 24px;
  text-align: center;
  border-right: 0;
}

.business-value:last-child {
  border-right: 0;
}

.business-value__icon {
  width: 118px;
  height: 118px;
  margin: 0 auto 2px;
  display: grid;
  place-items: center;
  color: var(--green-dark);
}

.business-value__icon svg {
  width: 108px;
  height: 108px;
}

.business-value__icon img {
  width: 108px;
  height: 108px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.business-value h3 {
  margin-bottom: 9px;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.business-value p {
  font-family: var(--sans);
  font-size: 0.76rem;
  line-height: 1.8;
  color: #5c5b54;
}

.business-cta {
  max-width: 860px;
  margin: 0 auto 54px;
  padding: 0 34px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.business-cta__button {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: #fff;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: 6px;
  box-shadow: 0 8px 18px rgba(57,54,42,0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.business-cta__button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(57,54,42,0.18);
  filter: brightness(1.04);
}

.business-cta__button:active {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(57,54,42,0.14);
}

.business-cta__button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.business-cta__button span {
  width: 24px;
  height: 24px;
}

.business-cta__button b {
  font-family: var(--sans);
  font-weight: 400;
  transition: transform 0.25s ease;
}

.business-cta__button:hover b {
  transform: translateX(5px);
}

.business-cta__button--gold {
  background: linear-gradient(135deg, #d0a45d, #b88a44);
}

.business-cta__button--green {
  background: linear-gradient(135deg, #28523d, #376a50);
}

@media (prefers-reduced-motion: reduce) {
  .business-cta__button,
  .business-cta__button b {
    transition: none;
  }
}

@media (max-width: 980px) {
  .business-hero__inner,
  .domain-grid,
  .business-values__grid,
  .business-cta {
    grid-template-columns: repeat(2, 1fr);
  }

  .business-hero__inner {
    align-items: start;
  }

  .business-values__grid {
    gap: 26px 0;
  }

  .business-value:nth-child(2) {
    border-right: 0;
  }

  .business-value:nth-child(n + 3) {
    border-top: 1px solid #e1dacd;
    padding-top: 24px;
  }
}

@media (max-width: 700px) {
  /* スマホ：TOP画像にテキスト可読用の白オーバーレイを表示 */
  .business-hero__overlay {
    opacity: 1;
  }

  .business-intro {
    grid-template-columns: 1fr;
  }

  .business-intro__text {
    margin: 20px 20px 0 48px;
    padding: 28px 24px 28px 24px;
  }

  .business-intro__leaf {
    left: -28px;
    width: 44px;
  }

  .business-intro__photos {
    min-height: 180px;
  }

  .business-hero__inner,
  .domain-grid,
  .business-values__grid,
  .business-cta {
    grid-template-columns: 1fr;
  }

  .business-hero__inner,
  .business-domains,
  .business-values,
  .business-cta {
    padding-left: 20px;
    padding-right: 20px;
  }

  .domain-card {
    min-height: auto;
  }

  .business-value,
  .business-value:nth-child(2) {
    border-right: 0;
  }

  .business-value {
    border-top: 1px solid #e1dacd;
    padding: 24px 0;
  }

  .business-value:first-child {
    border-top: 0;
  }
}