/* =============================================
   Horizon Innovation — business.css
   法人のお客様へページ専用スタイル
   products.css を継承して使用
============================================= */

/* ===== SECTION LABEL (concept.css と共通) ===== */
.section-label-num {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--gray-light);
}
.section-label-text {
  font-size: 1.0rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--gray-light);
  margin-left: 12px;
}

/* ===== INTRO SECTION ===== */
.biz-intro-section {
  padding: clamp(70px, 9vw, 120px) 0;
  background: var(--cream);
}
.biz-intro-section__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.biz-intro-section__label {
  display: flex;
  align-items: center;
  margin-bottom: 48px;
}
.biz-intro-section__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.biz-intro-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.6;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.biz-intro-section__copy {
  font-size: clamp(0.8rem, 1.2vw, 0.9rem);
  font-weight: 300;
  color: var(--gray-mid);
  line-height: 2.1;
  letter-spacing: 0.03em;
}
.biz-intro-section__image {
  overflow: hidden;
  background: var(--cream-dark);
  aspect-ratio: 4/3;
}
.biz-intro-section__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  display: block;
}
.biz-intro-section__image:hover img {
  transform: scale(1.04);
}

/* ===== SERVICES SECTION ===== */
.biz-services-section {
  padding: clamp(70px, 9vw, 120px) 0;
  background: var(--white);
}
.biz-services-section__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.biz-services-section__label {
  display: flex;
  align-items: center;
  margin-bottom: 32px;
}
.biz-services-section__heading {
  text-align: center;
  margin-bottom: clamp(48px, 7vw, 72px);
}
.biz-services-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 0.04em;
  line-height: 1.6;
  margin-bottom: 12px;
}
.biz-services-section__sub {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--gray-light);
  letter-spacing: 0.04em;
}

/* ===== SERVICE LIST ===== */
.biz-service-list {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 56px);
}
.biz-service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  background: var(--cream);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.biz-service-item:hover {
  box-shadow: 0 12px 40px rgba(13,27,42,0.08);
}
/* 偶数番目は画像を右→左（テキスト先）に並べ替え */
.biz-service-item:nth-child(even) {
  direction: rtl;
}
.biz-service-item:nth-child(even) > * {
  direction: ltr;
}

.biz-service-item__img-wrap {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--cream-dark);
}
.biz-service-item__img-wrap::before {
  content: 'PHOTO';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--gray-light);
  z-index: 0;
}
.biz-service-item__img-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  display: block;
}
.biz-service-item:hover .biz-service-item__img-wrap img {
  transform: scale(1.04);
}
.biz-service-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0.3) 0%, transparent 60%);
  z-index: 2;
}
.biz-service-item__body {
  padding: clamp(24px, 4vw, 48px);
}
.biz-service-item__header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}
.biz-service-item__num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--gray-light);
}
.biz-service-item__title {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 0.04em;
}

/* カラーアクセント per サービス */
.biz-service-item--wholesale .biz-service-item__title { color: var(--sage); }
.biz-service-item--oem       .biz-service-item__title { color: var(--gold); }
.biz-service-item--global    .biz-service-item__title { color: #7BBFCB; }
.biz-service-item--marketing .biz-service-item__title { color: var(--navy); }

.biz-service-item__desc {
  font-size: 0.84rem;
  font-weight: 300;
  color: var(--gray-mid);
  line-height: 2.0;
  letter-spacing: 0.03em;
  margin-bottom: 20px;
  border-left: 2px solid var(--cream-dark);
  padding-left: 16px;
}
.biz-service-item--wholesale .biz-service-item__desc { border-left-color: var(--sage); }
.biz-service-item--oem       .biz-service-item__desc { border-left-color: var(--gold); }
.biz-service-item--global    .biz-service-item__desc { border-left-color: #7BBFCB; }
.biz-service-item--marketing .biz-service-item__desc { border-left-color: var(--navy); }

.biz-service-item__list {
  list-style: none;
  padding: 0;
}
.biz-service-item__list li {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--gray-mid);
  line-height: 1.9;
  letter-spacing: 0.02em;
  padding-left: 1.2em;
  position: relative;
}
.biz-service-item__list li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--gray-light);
}

/* ===== TRACK RECORD SECTION ===== */
.biz-track-section {
  padding: clamp(70px, 9vw, 120px) 0;
  background: var(--navy);
}
.biz-track-section__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.biz-track-section__label {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}
.biz-track-section__label .section-label-num,
.biz-track-section__label .section-label-text {
  color: rgba(255,255,255,0.4);
}
.biz-track-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.04em;
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.biz-track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 2vw, 20px);
}
.biz-track-item__img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--navy-light, #1a2f47);
  cursor: default;
}
.biz-track-item__img-wrap::before {
  content: 'PHOTO';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.2);
  z-index: 0;
}
.biz-track-item__img-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  display: block;
}
.biz-track-item:hover .biz-track-item__img-wrap img {
  transform: scale(1.05);
}
.biz-track-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0.75) 0%, rgba(13,27,42,0.15) 55%, transparent 100%);
  z-index: 2;
}
.biz-track-item__label {
  position: absolute;
  bottom: 14px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 3;
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.06em;
}

/* ===== FLOW SECTION ===== */
.biz-flow-section {
  padding: clamp(70px, 9vw, 120px) 0;
  background: var(--cream);
}
.biz-flow-section__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.biz-flow-section__label {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}
.biz-flow-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 0.04em;
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.biz-flow-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}
.biz-flow-step {
  background: var(--white);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.biz-flow-step:hover {
  box-shadow: 0 8px 32px rgba(13,27,42,0.1);
  transform: translateY(-4px);
}
.biz-flow-step__num {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-align: center;
  padding: 8px 12px;
}
.biz-flow-step__img-wrap {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--cream-dark);
}
.biz-flow-step__img-wrap::before {
  content: 'PHOTO';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gray-light);
}
.biz-flow-step__img-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  display: block;
}
.biz-flow-step:hover .biz-flow-step__img-wrap img {
  transform: scale(1.04);
}
.biz-flow-step__body {
  padding: 16px 18px 20px;
}
.biz-flow-step__title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.biz-flow-step__text {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--gray-mid);
  line-height: 1.9;
  letter-spacing: 0.02em;
}
.biz-flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.2rem;
  padding: 0 clamp(6px, 1.5vw, 16px);
  padding-top: 60px; /* img top に合わせる */
  opacity: 0.7;
}

/* ===== CTA SECTION ===== */
.biz-cta-section {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0;
  overflow: hidden;
  text-align: center;
}
.biz-cta-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.biz-cta-section__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.biz-cta-section__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 27, 42, 0.72);
}
.biz-cta-section__inner {
  position: relative;
  z-index: 1;
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.biz-cta-section__eyebrow {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 20px;
}
.biz-cta-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.6rem);
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.05em;
  line-height: 1.6;
  margin-bottom: 24px;
}
.biz-cta-section__text {
  font-size: clamp(0.78rem, 1.2vw, 0.88rem);
  font-weight: 300;
  color: rgba(255,255,255,0.75);
  line-height: 2.0;
  letter-spacing: 0.03em;
  margin-bottom: 36px;
}
.biz-cta-section__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .biz-flow-steps {
    grid-template-columns: 1fr 1fr;
    gap: clamp(16px, 2.5vw, 24px);
  }
  .biz-flow-arrow {
    display: none;
  }
}

@media (max-width: 960px) {
  .biz-intro-section__body {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .biz-service-item {
    grid-template-columns: 1fr;
  }
  .biz-service-item:nth-child(even) {
    direction: ltr;
  }
  .biz-track-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .biz-flow-steps {
    grid-template-columns: 1fr 1fr;
    gap: clamp(12px, 2vw, 20px);
  }
}

@media (max-width: 600px) {
  .biz-service-item__body {
    padding: 20px;
  }
  .biz-track-grid {
    grid-template-columns: 1fr 1fr;
  }
  .biz-flow-steps {
    grid-template-columns: 1fr;
    gap: clamp(12px, 3vw, 20px);
  }
  .biz-flow-arrow {
    display: none;
  }
}

/* ===== HOVER EFFECTS DISABLED (non-clickable elements) ===== */

/* イントロ — 画像 */
.biz-intro-section__image {
  cursor: default;
  pointer-events: none;
}
.biz-intro-section__image:hover img {
  transform: none;
}

/* 提供サービス — 4アイテム */
.biz-service-item {
  cursor: default;
  pointer-events: none;
}
.biz-service-item:hover {
  box-shadow: none;
}
.biz-service-item:hover .biz-service-item__img-wrap img {
  transform: none;
}

/* コラボレーション — 6アイテム */
.biz-track-item {
  cursor: default;
  pointer-events: none;
}
.biz-track-item:hover .biz-track-item__img-wrap img {
  transform: none;
}

/* お取引の流れ — 4ステップ */
.biz-flow-step {
  cursor: default;
  pointer-events: none;
}
.biz-flow-step:hover {
  box-shadow: none;
  transform: none;
}
.biz-flow-step:hover .biz-flow-step__img-wrap img {
  transform: none;
}