@import url('/css/variables.css');

/* ============================================================
   Smartmart 買取サービス — buy/ ページ
   プレフィックス: by-
   ============================================================ */

/* ─── Hero ──────────────────────────────────────────── */
.by-hero {
    background: linear-gradient(135deg, var(--kaitori-gradient-start) 0%, var(--kaitori-gradient-end) 100%);
    color: #fff;
    padding: 64px 0;
    text-align: center;
}

.by-hero-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.by-hero-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.25;
}

.by-hero-desc {
    font-size: 1.15rem;
    margin-bottom: 32px;
    opacity: 0.9;
    line-height: 1.65;
}

/* ─── Shared Container ───────────────────────────────── */
.by-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ─── Section Heading ────────────────────────────────── */
.by-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 40px;
}

/* ─── Category Grid ──────────────────────────────────── */
.by-categories {
    padding: 56px 0;
}

.by-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.by-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    text-align: center;
    transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}

.by-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.by-card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1;
}

.by-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.by-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 20px;
}

/* ─── Popular Items ──────────────────────────────────── */
.by-popular {
    background: var(--bg-secondary);
    padding: 56px 0;
}

.by-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.by-item-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
}

.by-item-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.by-price-range {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

/* ─── Features ───────────────────────────────────────── */
.by-features {
    padding: 56px 0;
}

.by-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.by-feature {
    text-align: center;
}

.by-feature-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
}

.by-feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.by-feature-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ─── CTA Section ────────────────────────────────────── */
.by-cta {
    background: var(--bg-secondary);
    padding: 56px 20px;
    text-align: center;
}

.by-cta-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.by-cta-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.65;
}

/* ─── Buttons ────────────────────────────────────────── */
.by-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.by-btn-white {
    background: #fff;
    color: var(--kaitori-gradient-start);
}

.by-btn-white:hover {
    background: var(--bg-secondary);
    color: var(--primary-dark);
}

.by-btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.by-btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
}

.by-btn-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.by-btn-link:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 768px) {
    .by-hero {
        padding: 44px 0;
    }

    .by-hero-title {
        font-size: 1.7rem;
    }

    .by-hero-desc {
        font-size: 1rem;
    }

    .by-section-title {
        font-size: 1.4rem;
    }

    .by-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .by-card {
        padding: 20px 16px;
    }

    .by-card-icon {
        font-size: 2.2rem;
    }

    .by-items-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .by-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .by-grid {
        grid-template-columns: 1fr;
    }

    .by-items-grid {
        grid-template-columns: 1fr;
    }

    .by-features-grid {
        grid-template-columns: 1fr;
    }
}