.blog-index-accordion {
    margin: 18px 0 45px;
    padding: 0;
    border: 1px solid #ded4ca;
    background: transparent;
}

.blog-index-accordion-item + .blog-index-accordion-item {
    border-top: 1px solid #ded4ca;
}

.blog-index-accordion-head {
    appearance: none;
    -webkit-appearance: none;

    display: grid;
    grid-template-columns: 50px 1fr 48px;
    align-items: stretch;

    width: 100%;
    min-width: 0;
    min-height: 58px;

    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;

    background: #f8f3ed;
    color: inherit;
    font: inherit;
    text-align: left;

    cursor: pointer;
    user-select: none;

    transition: background-color .3s ease;
}

.blog-index-accordion-head:hover,
.blog-index-accordion-head:focus {
    background: #f5efe8;
}

.blog-index-accordion-head:focus-visible {
    outline: 2px solid #459b9c;
    outline-offset: -2px;
}

.blog-index-accordion-item.is-open .blog-index-accordion-head {
    background: #e4e7e1;
}

.blog-index-accordion-number {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    border-right: 0;

    color: #459b9c;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
}

.blog-index-accordion-number::after {
    content: "";
    position: absolute;

    right: 0;
    top: 50%;

    width: 1px;
    height: 18px;

    background: #9c9187;

    transform: translateY(-50%);
}

.blog-index-accordion-title {
    display: flex;
    align-items: center;

    min-width: 0;
    padding: 15px 14px;

    color: #4b4845;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.55;
}

/*
 * Plus / minus icon
 */
.blog-index-accordion-icon {
    position: relative;
    display: block;

    width: 100%;
    min-height: 58px;
}

.blog-index-accordion-icon::before,
.blog-index-accordion-icon::after {
    content: "";
    position: absolute;

    top: 50%;
    left: 50%;

    width: 15px;
    height: 1px;

    background: #459b9c;

    transform-origin: center;
    pointer-events: none;

    transition:
        transform .42s cubic-bezier(.4, 0, .2, 1),
        opacity .28s ease;
}

.blog-index-accordion-icon::before {
    transform:
        translate(-50%, -50%)
        rotate(0deg);
}

.blog-index-accordion-icon::after {
    transform:
        translate(-50%, -50%)
        rotate(90deg)
        scaleX(1);

    opacity: 1;
}

.blog-index-accordion-item.is-open
.blog-index-accordion-icon::before {
    transform:
        translate(-50%, -50%)
        rotate(180deg);
}

.blog-index-accordion-item.is-open
.blog-index-accordion-icon::after {
    transform:
        translate(-50%, -50%)
        rotate(180deg)
        scaleX(.25);

    opacity: 0;
}

/*
 * Accordion animation
 */
.blog-index-accordion-panel {
    display: grid;
    grid-template-rows: 0fr;

    visibility: hidden;

    transition:
        grid-template-rows .42s cubic-bezier(.4, 0, .2, 1),
        visibility 0s linear .42s;
}

.blog-index-accordion-item.is-open
.blog-index-accordion-panel {
    grid-template-rows: 1fr;
    visibility: visible;

    transition:
        grid-template-rows .42s cubic-bezier(.4, 0, .2, 1),
        visibility 0s linear 0s;
}

.blog-index-accordion-panel-inner {
    min-height: 0;
    overflow: hidden;
}

.blog-index-accordion-body {
    padding: 11px 52px 15px 62px;

    border-top: 1px solid #e3ddd6;
    background: #fff;

    opacity: 0;
    transform: translateY(-5px);

    transition:
        opacity .26s ease .06s,
        transform .32s ease .06s;
}

.blog-index-accordion-item.is-open
.blog-index-accordion-body {
    opacity: 1;
    transform: translateY(0);
}

.blog-index-accordion-child {
    display: block;

    padding: 5px 0;

    color: #55514d;
    font-size: 14px;
    line-height: 1.7;
    text-decoration: none;
}

.blog-index-accordion-child:hover,
.blog-index-accordion-child:focus {
    text-decoration: underline;
}

@media screen and (max-width: 767px) {
    .blog-index-accordion-head {
        grid-template-columns: 42px 1fr 42px;
        min-height: 54px;
    }

    .blog-index-accordion-number {
        font-size: 13px;
    }

    .blog-index-accordion-number::after {
        height: 16px;
    }

    .blog-index-accordion-title {
        padding: 12px 10px;
        font-size: 13px;
    }

    .blog-index-accordion-icon {
        min-height: 54px;
    }

    .blog-index-accordion-body {
        padding: 10px 42px 13px 51px;
    }

    .blog-index-accordion-child {
        font-size: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .blog-index-accordion-head,
    .blog-index-accordion-icon::before,
    .blog-index-accordion-icon::after,
    .blog-index-accordion-panel,
    .blog-index-accordion-body {
        transition: none;
    }
}