body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
}
.container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
    padding: 1%;
    background: #f6f6f6;

}
.head {
    height: 20px;
    width: 100%;
}

@media (max-width: 768px) {
    .qr-logo {
        width: 65%;
        height: 70%;
    }
}

@media (max-width: 768px) {
    .form-control {
        width: 96%;
    }
}

hr {
    height:5px;
    border-width:2px 0 0 0;
    border-color:#000;
}

.body {
    width: 98%;
    margin: auto;
    border-radius: 25px 25px 25px 25px;
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.body-a {
    width: 100%;
    max-width: 100%;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.body .body-a .logo {
    width: 100%;
}

.body .body-a .logo #logo {
    margin: auto;
    text-align: center;
}

.body .body-a .title {
    width: 100%;
}

.body .body-a .forms {
    width: 100%;
    flex-grow: 1;
}

.step-0 {
    border-radius: 20px 20px 20px 20px;
    padding: 20px;
    background-color: white;
}

.step-1 {
    border-radius: 20px 20px 20px 20px;
    padding: 20px;
    background-color: white;
}

.step-2 {
    border-radius: 20px 20px 20px 20px;
    padding: 7px;
    background-color: white;
}

.step-3 {
    border-radius: 20px 20px 20px 20px;
    padding: 7px;
    background-color: white;
}

.step-4 {
    border-radius: 20px 20px 20px 20px;
    padding: 20px;
    background-color: white;
}

.step-5 {
    border-radius: 20px 20px 20px 20px;
    padding: 20px;
    background-color: white;
}

.file-input {
    margin-left: 1%;
    border-radius: 10px 10px 10px 10px;
    border: 1px solid lightgray;
    padding: 0.4rem;
    width: calc(100% - 1rem); /* 패딩 값을 고려하여 너비 조정 */
}

label {
    display: block;
    margin-bottom: 1rem;
    margin-left: 2%;
    width: 100%;
}

.large-button {
    margin: auto 5%;
    width: 90%;
}

b {
    margin-left: 2%;
}

details {
    margin-left: 2%;
}

.details-a {
    width: 100%;
}

.canvases {
    width: 100%;
    text-align: center;
}

@media (max-width: 768px) {
    .details {
        margin-left: -2%;
    }
    .details-a {
        width: 100%;
        margin: auto;
    }
}

#drawCanvas {
    background: white;
    border: 2px dashed gray;
    height: auto;
    margin: auto;
    border-radius: 20px;
    box-sizing: border-box;
    touch-action: none;
}

#clearBtn {
    width: 94%;
    max-width: 94%;
    height: auto;
}

@media (max-width: 768px) {
    .canvases {
        width: 100%;
    }
}

@media (max-width: 768px) {
    #drawCanvas {
        margin: auto;
        width: 96%;
        height: 280px;
    }
}

@media (max-width: 768px) {
    #clearBtn {
        width: 80%;
        height: auto;
    }
}

.qrMerchantName {
    font-weight: bold;
}

#qrName {
    font-weight: bold;
}

table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #dddddd;
    padding: 8px;
}
th {
    background-color: #f2f2f2;
}

#signBtn {
    background-color: #003399;
    color: white;
    margin-left: 2%;
    width: 96%;
    transition-duration: 0.4s;
}

#signBtn:hover {
    background-color: white;
    border: 1px solid #003399;
    color: #003399;
}

.foot {
    height: auto;
    width: 100%;
    flex-shrink: 0;
    text-align: center;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox  */
input[type='number'] {
    -moz-appearance: textfield;
}

.contract {
    font-size: 22px;
    font-weight: bold;
}

.contract1 {
    font-size: 22px;
    font-weight: bold;
}

@media (max-width: 768px) {
    .contract1 {
        font-size: 20px;
        word-break: keep-all;
        line-height: 1.2; /* 줄 간격 조정 */
    }

    .contract {
        font-size: 20px;
    }
}

.is-invalid {
    border-color: red;
}

.invalid-feedback {
    display: none;
    color: red;
}

.is-invalid + .invalid-feedback {
    display: block;
}

th,td {
    text-align: center;
}

.foot {
    background-color: #191F28;
    height: 200px;
}

.foot-1 {
    border: 1px;
    width: 50%;
    padding: 10px;
    margin: auto;
}

@media (max-width: 768px) {
    .foot-1 {
        width: 90%;
        padding: 10px;
    }

    .foot-text {
        font-size: 12px;
    }
}
/* 부트스트랩 API 수정 */
.mb-3 {
    margin-left: 1%;
}

.form-control {
    margin-left: 1%;
}