body {
    margin: 0;
    padding: 0;
    font-family: "Yu Gothic", "游ゴシック", YuGothic, "游ゴシック体", sans-serif;
    line-height: 1.6em;
}

form {
    display: inline-block;
    width: 100%;
    margin: 0;
    padding: 0;
}

.container {
    margin: 0 auto;
    max-width: 640px;
}

h1 {
    text-align: center;
    padding: 0;
    margin: 0;
}

h1 img {
    width: 100%;
}

h2 {
    font-size: 1.1em;
    line-height: 1.1em;
    padding: 8px 10px;
}

div.header-button {
    display: flex;
    justify-content: space-between;
    margin: 20px 0;
}

footer {
    text-align: right;
    font-size: 0.8em;
}

hr {
    border: 1px solid #AAAAAA;
}

table {
    border-collapse: collapse;
}

th, td {
    border: 1px solid #000;
    white-space: nowrap;
}

th.empty, td.empty {
    background-image: linear-gradient(
            to right bottom,
            transparent calc(50% - 0.5px),
            #000 50%,
            #000 calc(50% + 0.5px),
            transparent calc(50% + 1px)
    );
    /*background-color: #DDDDDD;*/
}

table.grid {
    width: 100%;
}

table.grid td {
    text-align: center;
}

table.edit {
    width: 100%;
}

table.edit th {
    width: 70px;
    vertical-align: middle;
    background-color: #BCD8E9;
    padding: 3px;
    white-space: nowrap;
}

table.edit td {
    padding: 3px;
}

div.list ul {
    list-style-type: none;
    padding: 0;
}

div.list ul li {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #ccc;
}

div.list span.date {
    flex-shrink: 0;
    text-align: left;
    width: 250px;
}

div.list span.title {
    margin-right: 20px;
    flex-grow: 1;
}

input[type="text"], input[type="date"], input[type="number"], input[type="email"], textarea {
    padding: 3px;
    font-size: 1.2em;
    width: 100%;
    box-sizing: border-box;
}

textarea {
    height: 120px;
}

div.buttons {
    margin: 20px 0;
    text-align: center;
}

div.buttons button, input[type="button"], input[type="submit"] {
    display: inline-block;
    text-align: center;
    font-size: 1.05em;
    padding: 2px 20px;
    margin: 2px 40px;
}

div.quickString {
    font-size: 0.95em;
}

div.quickString ul {
    margin: 0 10px;
    padding: 0;
}

div.quickString ul li {
    display: inline-block;
    width: 24%;
}

div.info-header {
    display: flex;
    justify-content: space-between;
}

div.info-header .title {
    font-size: 1.1em;
    font-weight: bold;
}

div.info-header .title:before {
    content: "●";
}

div.info-header .publish-date {
    font-size: 13px;
}

div.info-body {
}

div.info-body .content {
    font-size: 0.9em;
}

.mt5 {
    margin-top: 5px;
}

.mt10 {
    margin-top: 10px;
}

.mt20 {
    margin-top: 20px;
}

.mt30 {
    margin-top: 30px;
}

.mt40 {
    margin-top: 40px;
}

.mt50 {
    margin-top: 50px;
}

.mb5 {
    margin-bottom: 5px;
}

.mb10 {
    margin-bottom: 10px;
}

.mb20 {
    margin-bottom: 20px;
}

.mb30 {
    margin-bottom: 30px;
}

.mb40 {
    margin-bottom: 40px;
}

.mb50 {
    margin-bottom: 50px;
}