/* feature 04 */
.feature4 .feature-intro {
    padding-bottom: 1em;
}

.feature4 .feature-contents-title {
    margin-bottom: 0.2em !important;
}

.title-sup {
    width: 100%;
    font-family: var(--min);
    font-size: min(1.1em, 3.8vw);
    font-weight: 400;
    color: var(--color-navy);
    line-height: 1.5;
    margin-bottom: 2em;
    text-align: center;
}

.feature4 .support-chart {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.feature4 .support-wrp {
    width: 100%;
    background: var(--color-bg);
    padding: min(3em, 3vw) min(1em, 2vw) min(5em, 5vw);
    margin: min(5em, 3vw) auto;
}

.feature4 .support {
    max-width: 900px;
    margin: auto;
}

.feature4 .support-item {}

.feature4 .support-header {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: min(2em, 3vw) 1em min(2em, 2vw) 0;
    border-bottom: 1px solid var(--color-navy);
}

.feature4 .support-header-left {
    display: flex;
    align-items: center;
    gap: 1em;
}

.feature4 .support-number {
    color: var(--color-navy);
    font-size: min(2.2em, 6.5vw);
    font-family: var(--en);
    font-weight: 400;
    width: 2ch;
}

.feature4 .support-title {
    color: var(--color-navy);
    font-family: var(--min);
    font-size: min(1.3em, 3.8vw);
    font-weight: 300;
    text-align: left;
}

.feature4 .btn-open {
    position: relative;
    width: 1.5em;
    height: 1.5em;
    flex-shrink: 0;
}


.btn-open::before,
.btn-open::after {
    content: "";
    position: absolute;
    background: var(--color-navy);
    ;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: 0.3s;
}

.btn-open::before {
    width: 1px;
    height: 1.5em;
}

.btn-open::after {
    width: 1.5em;
    height: 1px;
}

@media screen and (max-width:767px) {
    .btn-open::before {
        height: 5vw;
    }

    .btn-open::after {
        width: 5vw;
    }
}

.feature4 .support-item.active .btn-open::before {
    opacity: 0;
}

.feature4 .support-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.feature4 .content-wrp {
    padding: 0 0 2em 0;
}

.feature4 .content-wrp:first-child {
    padding-top: 2em;
}

.feature4 .content-top {
    display: flex;
    align-items: center;
    gap: .5em;
    margin-bottom: .5em;
}

.feature4 .content-icon {
    width: 40px;
    flex-shrink: 0;
}

.feature4 .content-icon img {
    width: 100%;
    display: block;
}

.feature4 .support-subtitle {
    font-family: var(--min);
    font-size: min(1.1em, 4vw);
    color: var(--color-navy)
}

.feature4 .support-lead {
    font-family: var(--min);
    font-size: min(1em, 3.5vw);
    line-height: 1.5;
    margin-bottom: 0.5em;
}

.feature4 .support-text {
    font-family: var(--min);
    font-size: min(.95em, 3vw);
    line-height: 1.7;
}

.feature4 .note {
    margin-top: 1em;
}

.feature4 span.note {
    display: block;
    font-size: .8em;
}