/* 基本スタイル */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont,
        "Hiragino Kaku Gothic ProN",
        "Hiragino Sans",
        "Noto Sans JP",
        "Yu Gothic",
        "Meiryo",
        sans-serif;
    background-color: #f7f7f7;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100vh;
}

a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.page {
    max-width: 960px;
    min-width: 960px;
}

.header {
    height: 90px;
    display: flex;
    align-items: center;
    /* border-bottom: 1px solid #e2e2e2; */
    justify-content: center;
}

.header .space {
    flex-grow: 1;
}

.center {
    display: flex;
    justify-content: center;
    padding-top: 30px;
    flex-grow: 1;
}

.center .tag {
    font-weight: bold;
    display: flex;
    font-size: 20px;
    align-items: center;
}

.center .tag::before {
    content: " ";
    width: 5px;
    background: #0066cc;
    height: 24px;
    display: block;
    border-radius: 2px;
    margin-right: 10px;
}

.center .description {
    margin: 20px 0;
}

.center .content-header {
    font-weight: bold;
}

.center .agreement-content {
    margin: 20px 0;
    border: 2px solid #e2e2e2;
    border-radius: 3px;
    overflow-y: auto;
    max-height: calc(100vh - 500px);
    padding: 10px;
    font-size: 15px;
    white-space: pre-wrap;
}

.check-box label {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    max-width: 200px;
}

.check-box label:hover {
    cursor: pointer;
}

.check-box input {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.btn-group {
    width: 100%;
    display: flex;
    justify-content: space-around;
}

.btn-group .btn {
    width: 280px;
    height: 45px;
    border-radius: 4px;
    background-color: #274cb6;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-group .btn.disabled {
    background-color: gray;
}

.btn-group .btn:hover {
    cursor: pointer;
}

.footer {
    height: 30px;
    display: flex;
    align-items: center;
    font-size: 14px;
    justify-content: center;
    /* border-top: 1px solid #e2e2e2; */
}

.loading::after {
    content: "";
    display: inline-block;
    width: 3ch;
    text-align: left;
    margin-left: 0.25em;
    animation: dots 2s steps(4, end) infinite;
}

.message-box {
    font-size: 18px;
}

@keyframes dots {

    /* 0%   { content: ""; } */
    0% {
        content: ".";
    }

    33% {
        content: "..";
    }

    66% {
        content: "...";
    }

    100% {
        content: "....";
    }

    /* 100% { content: ""; } */
}

@media screen and (max-width: 960px) {
    .page {
        min-width: unset;
        padding: 0 14px;
    }

    .header {
        justify-content: flex-start;
    }

    .center {
        padding-top: 14px;
    }

    .center .description {
        margin: 14px 0;
    }

    .center .agreement-content {
        margin: 10px 0 14px 0;
    }
}

@media screen and (max-width: 600px) {

    .btn-group {
        flex-direction: column-reverse;
    }

    .btn-group .btn {
        width: 100%;
        margin-top: 14px;
    }
    .footer {
        height: 140px;
    }

}

.hidden {
    display: none !important;
}
#error-page {
    display: flex;
    padding-top: 15vh;
    justify-content: center;
}
#error-page .title {
    font-size: 60px;
}
#error-page #error-msg {
    white-space: pre-line;
}
.error-icon {
    min-width: 80px;
    height: 80px;
    border-radius: 50%;
    font-size: 60px;
    color: gray;
    border: 5px solid gray;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
}
.error-msg span {
    font-size: 14px;
    color: gray;
}