.tsuruse-comments-area {
    margin-top: 2.5rem;
}

.tsuruse-comments-accordion {
    border-top: 0;
}

.tsuruse-comments-accordion__summary {
    position: relative;
    display: block;
    padding: 0;
    cursor: pointer;
    list-style: none;
}

.tsuruse-comments-accordion__summary::-webkit-details-marker {
    display: none;
}

.tsuruse-comments-accordion__summary::after {
    content: "+";
    position: absolute;
    top: 0.15rem;
    right: 0;
    color: #5b6f7e;
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1;
}

.tsuruse-comments-accordion[open] .tsuruse-comments-accordion__summary::after {
    content: "\2212";
}

.tsuruse-comments-accordion__title {
    display: block;
    position: relative;
    margin: 0;
    padding: 0 2rem 0.75rem 0;
    color: #18303f;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
}

.tsuruse-comments-accordion__title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 9rem;
    border-bottom: 2px solid #8dc8d9;
}

.tsuruse-comments-accordion__body {
    padding-top: 1rem;
}

.tsuruse-comments-thread {
    margin-bottom: 1.5rem;
}

.tsuruse-comments-thread__title {
    margin: 0 0 0.85rem;
    color: #18303f;
    font-size: 1rem;
    font-weight: 700;
}

.tsuruse-comments-area .comment-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.tsuruse-comments-area .comment-list > li {
    margin: 0 0 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e9ee;
}

.tsuruse-comments-area .comment-list > li:last-child {
    margin-bottom: 0;
}

.tsuruse-comments-area .comment-navigation {
    margin: 0 0 1rem;
}

.tsuruse-comments-area .comment-form p {
    margin-bottom: 1rem;
}

.tsuruse-comments-area .comment-form-comment textarea {
    min-height: 11rem;
}

.tsuruse-comments-area .comment-form input[type="submit"] {
    min-width: 10rem;
}

@media (max-width: 767.98px) {
    .tsuruse-comments-area {
        margin-top: 2rem;
    }

    .tsuruse-comments-accordion__title {
        font-size: 1.08rem;
    }
}