nav {
    box-shadow: rgba(0, 0, 0, 0.07) 0px 4px 12px 0px, rgba(0, 0, 0, 0.05) 0px 2px 4px 0px;
}

button>i, a>i {
    margin-right: 0.5rem;
}

.main {
    margin-top: 1em;
    margin-bottom: 1em;
}

.navbar-collapse {
    padding: 0 1rem;
}

.table>:not(caption)>*>th, table th {
    text-align: center;
    background-color: #f4f4f4;
}

table tbody tr.selected td {
    background-color: #93baf9;
}

input[type="number"] {
    width: 100%;
    text-align: right;
}

.invalid-feedback {
    position: inherit!important;
}

.trailing-text {
    position: relative;
}

.trailing {
    position: absolute;
    right: 10px;
    left: initial;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--mdb-surface-color);
}

.trailing.clear {
    cursor: pointer;

    &:focus {
        color: #3b71ca;
        outline: none;
    }
}

.spinner-text {
    position: relative;
}

.spinner-text>.spinner-container {
    position: absolute;
    right: 20px;
    top: calc(50% - 5px);
}

.spinner-text>.spinner-container>.spinner-border {
    position: relative;
    display: inline-block;
}

.form-group {
    margin-bottom: 0.5em;
}

/** input/スピンボタンのラップ要素 **/
/* .number-spinner-wrap {
    position: relative;
    display: block;
    width: 150px !important;
    height: 2rem;
} */

/** デフォルトのスピンボタンを隠す **/
.number-spinner-wrap input::-webkit-outer-spin-button,
.number-spinner-wrap input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/** input要素 **/
.number-spinner-wrap input {
    width: 100%;
    height: 100%;
    padding-left: 3rem;
    padding-right: 3rem;
    text-align: center;
}

/* オーバーレイ スピナー */
.overlay-container {
    position: relative;
}

.overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    opacity: 0.5;
    transform: translate(-50%, -50%);
}