```css
/* Eminent Roofing & Restoration FAQ Accordion */
.faq-accordion {
    width: 100%;
    margin: 25px 0;
    font-family: inherit;
}

/* Individual accordion item */
.faq-accordion details {
    margin-bottom: 14px;
    border: 1px solid #DCE7E3;
    border-radius: 8px;
    background-color: #FFFFFF;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Hover effect */
.faq-accordion details:hover {
    border-color: #079F73;
    box-shadow: 0 4px 14px rgba(11, 47, 80, 0.08);
}

/* Question heading */
.faq-accordion summary {
    position: relative;
    display: flex;
    align-items: center;
    padding: 20px 55px 20px 22px;
    color: #0B2F50;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    cursor: pointer;
    list-style: none;
    transition: color 0.3s ease, background-color 0.3s ease;
}

/* Remove default browser marker */
.faq-accordion summary::-webkit-details-marker {
    display: none;
}

.faq-accordion summary::marker {
    content: "";
}

/* Custom arrow */
.faq-accordion summary::after {
    content: "";
    position: absolute;
    right: 23px;
    top: 50%;
    width: 9px;
    height: 9px;
    border-right: 2px solid #079F73;
    border-bottom: 2px solid #079F73;
    transform: translateY(-70%) rotate(45deg);
    transition: transform 0.3s ease;
}

/* Open question */
.faq-accordion details[open] {
    border-color: #079F73;
    box-shadow: 0 4px 14px rgba(11, 47, 80, 0.07);
}

.faq-accordion details[open] summary {
    color: #079F73;
    background-color: #F2FAF7;
    border-bottom: 1px solid #DCEFE7;
}

/* Rotate arrow when open */
.faq-accordion details[open] summary::after {
    transform: translateY(-30%) rotate(225deg);
}

/* Answer text */
.faq-accordion details p {
    margin: 0;
    padding: 20px 22px 22px;
    color: #4B5965;
    font-size: 16px;
    line-height: 1.8;
}

/* Mobile responsive */
@media (max-width: 767px) {
    .faq-accordion {
        margin: 20px 0;
    }

    .faq-accordion details {
        margin-bottom: 10px;
        border-radius: 6px;
    }

    .faq-accordion summary {
        padding: 16px 45px 16px 16px;
        font-size: 16px;
    }

    .faq-accordion summary::after {
        right: 18px;
        width: 8px;
        height: 8px;
    }

    .faq-accordion details p {
        padding: 16px;
        font-size: 15px;
        line-height: 1.7;
    }
}
```