html, h1, h2, h3, h4, h5, h6, form, fieldset, img {
    margin: 0;
    padding: 0;
    border: 0;
}
h1, h2, h3, h4, h5, h6 {
    font-size: 1em;
}
h2 {
    font-size: 1.8em;
    font-weight: 600;
    color: #232323;
    margin-bottom: 30px;
}
h3 {
    font-size: 1.4em;
    font-weight: 600;
    color: #1C1C1C;
    margin: 4px 0 20px 0;
}
h4 {
    font-size: 1.2em;
    font-weight: 600;
    color: #1C1C1C;
}
p {
    margin: 0;
    padding: 0;
    word-break: keep-all;
}
.hd_title {
    color: #1C1C1C;
    font-weight: 600;
    font-size: 1.4em;
    margin-bottom: 8px;
}

.box {
    background: #fff;
    border: 1px solid #D9D9D9;
    border-radius: 6px;
}

.box .box_hd {
    background: #DFE1E7;
    padding: 28px 36px;
}

.box .box_hd_internal {
    padding: 24px 36px;
}

.accordion .box_hd {
    padding: 12px 36px;
}

.box .box_hd strong {
    font-size: 1.2em;
    margin-right: 10px;
}

.accordion .box_hd strong {
    margin-right: 0;
}

.txt_gray > a, .txt_gray {
    color: #AFAFAF;
}

.grid {
    display: grid;
    gap: 10px;
}

.grid > li, .grid > div, .project_history .box, #internalReviewAccordion .box, #projectList .box{
    box-sizing: border-box;
    overflow: hidden;
}

.internal_review .grid {
    grid-template-columns: 2fr 2fr;
    gap: 20px;
}

.project_dwl .grid {
    grid-template-columns: 3fr 4fr;
    gap: 20px;
}

section {
    width: 100%;
    margin-bottom: 40px;
}

/* 툴팁 */
.custom-tooltip-container {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tooltip_custom {
    position: absolute;
    background-color: #ffffff;
    padding: 8px;
    border-radius: 5px;
    box-shadow: 0 3px 12px 3px rgb(142 142 142 / 41%);
    z-index: 10000;
    width: 400px;
    white-space: pre-wrap;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    transform: translateY(10px);
}

.tooltip_custom.show {
    opacity: 1;
    transform: translateY(0);
}

.tooltip_custom textarea {
    font-size: 14px;
    width: 100%;
    height: auto;
    background: none;
    border: none;
    color: #3e3e3e;
    resize: none;
    outline: none;
    overflow: hidden;
}

.cursor-pointer {
    cursor: pointer;
}

/* 표준 (크롬·파이어폭스 최신) */
.form-control::placeholder {
    color: #8e99a3;
    opacity: 1;
}

/* WebKit: 크롬/사파리/오페라 */
.form-control::-webkit-input-placeholder {
    color: #8e99a3;
    opacity: 1;
}

/* 파이어폭스 */
.form-control::-moz-placeholder {
    color: #8e99a3;
    opacity: 1;
}
.form-control:-moz-placeholder {
    color: #8e99a3;
    opacity: 1;
}

/* IE 10+ */
.form-control:-ms-input-placeholder {
    color: #8e99a3;
}

/* Edge */
.form-control::-ms-input-placeholder {
    color: #8e99a3;
}