/* ============================================
   page-business.css
   事業紹介ページ専用スタイル
   ============================================ */

/* HERO */
.biz-hero {
    position: relative;
    height: 420px;
    background: var(--color-navy);
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}
.biz-hero__bg-text {
    position: absolute;
    right: -10px;
    bottom: 10px;
    font-family: var(--font-en);
    font-size: clamp(80px, 14vw, 160px);
    font-weight: 700;
    color: rgba(255,255,255,0.05);
    letter-spacing: 0.05em;
    line-height: 1;
    user-select: none;
    pointer-events: none;
}
.biz-hero__content {
    position: relative;
    z-index: 1;
    padding: 0 60px 60px;
}
.biz-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}
.biz-hero__sub {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    letter-spacing: 0.12em;
}

/* INTRO */
.biz-intro {
    text-align: center;
    padding: 120px 40px 100px;
    background: var(--color-white);
}
.biz-intro__heading {
    font-family: var(--font-heading);
    font-size: clamp(20px, 2.8vw, 34px);
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}
.biz-intro__text {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 2.2;
}

/* BUSINESS BLOCK */
.biz-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
    border-top: 1px solid var(--color-border);
}
.biz-block:last-of-type {
    border-bottom: 1px solid var(--color-border);
}
.biz-block--reverse {
    direction: rtl;
}
.biz-block--reverse > * {
    direction: ltr;
}
.biz-block--gray .biz-block__body {
    background: var(--color-off-white);
}

/* IMAGE SIDE */
.biz-block__image {
    position: relative;
    overflow: hidden;
    min-height: 420px;
}
.biz-block__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.biz-block__placeholder {
    width: 100%;
    height: 100%;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-light);
    color: var(--color-gray-mid);
    font-size: 13px;
    letter-spacing: 0.1em;
}
.biz-block__num {
    position: absolute;
    top: 20px;
    left: 20px;
    font-family: var(--font-en);
    font-size: 80px;
    font-weight: 700;
    color: rgba(255,255,255,0.18);
    line-height: 1;
    pointer-events: none;
}

/* BODY SIDE */
.biz-block__body {
    padding: 64px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--color-white);
}
.biz-block__eyebrow {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 14px;
}
.biz-block__title {
    font-family: var(--font-heading);
    font-size: clamp(24px, 2.4vw, 36px);
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    line-height: 1.3;
}
.biz-block__lead {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 2.1;
    margin-bottom: 28px;
}

/* BRAND LIST */
.biz-brand-list {
    list-style: none;
    margin: 0 0 32px;
    padding: 0;
}
.biz-brand-list__item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    gap: 12px;
}
.biz-brand-list__item::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}
.biz-brand-list__name {
    font-size: 14px;
    color: var(--color-text);
    font-weight: 500;
    flex: 1;
}
.biz-brand-list__note {
    font-size: 12px;
    color: var(--color-gray-dark);
    white-space: nowrap;
}

/* TAG LIST */
.biz-tag-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 32px;
    padding: 0;
}
.biz-tag-list li {
    font-size: 12px;
    padding: 5px 16px;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 20px;
    letter-spacing: 0.05em;
}

/* LINK */
.biz-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-navy);
    letter-spacing: 0.1em;
    text-decoration: none;
    border-bottom: 1px solid var(--color-navy);
    padding-bottom: 4px;
    transition: color 0.2s, border-color 0.2s;
    width: fit-content;
}
.biz-link::after {
    content: '→';
}
.biz-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* FOOTER CTA */
.biz-cta {
    position: relative;
    background: var(--color-navy);
    text-align: center;
    padding: 80px 40px;
    overflow: hidden;
}
.biz-cta__bg-text {
    font-family: var(--font-en);
    font-size: clamp(24px, 5vw, 52px);
    color: rgba(255,255,255,0.05);
    font-weight: 700;
    letter-spacing: 0.12em;
    margin-bottom: -16px;
    line-height: 1;
}
.biz-cta__heading {
    font-family: var(--font-heading);
    font-size: clamp(18px, 2.4vw, 28px);
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}
.biz-cta__text {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 36px;
    line-height: 1.8;
}
.biz-cta__btn {
    display: inline-block;
    padding: 14px 48px;
    border: 1px solid rgba(255,255,255,0.4);
    color: var(--color-white);
    font-size: 13px;
    letter-spacing: 0.15em;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
}
.biz-cta__btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--color-white);
    color: var(--color-white);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .biz-hero {
        height: 280px;
    }
    .biz-hero__content {
        padding: 0 24px 36px;
    }
    .biz-intro {
        padding: 56px 24px 40px;
    }
    .biz-block {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    .biz-block--reverse > * {
        direction: ltr;
    }
    .biz-block__body {
        padding: 40px 24px;
    }
    .biz-block__image,
    .biz-block__placeholder {
        min-height: 260px;
    }
    .biz-brand-list__item {
        flex-wrap: wrap;
    }
    .biz-brand-list__note {
        white-space: normal;
    }
}