.headline {
  display: flex;
  justify-content: space-between;
  font-size: 1.5em;
  font-weight: bold;
  color: #ff7f2a;
  padding: 16px  0px 30px 0px ;

}

.headline a {
  display: inline-block;  
  color: #ff7f2a;
  text-decoration: none;

}

.headline-left {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ff7f2a;

}

.headline-logo {
    width: 20px;
    height: 20px;
}


body {
    font-family:
        "Noto Sans JP",
        "Hiragino Sans",
        "Yu Gothic",
        "Meiryo",
        "Segoe UI",
        sans-serif;
    font-size: 15px;
    line-height: 1.52947;
    letter-spacing: -.021em;
    word-spacing: 0.1em;
    margin: 0px 0px 0px 0px;
    padding: 00px 0px 0px 0px;
    
}

.content-section {
    margin: 0 auto;
    width: min(80%, 800px);
    min-height: calc(100vh - 40px);  /*minus height of header and footer */

}
@media screen and (max-width: 700px) {
    body {
        font-size: 14px;
    }
    .content-section {
        min-height: calc(100vh - 40);  /*minus height of header and footer */
    
    }
}

.announce {
    color: rgba(107, 107, 107, 0.976);
    border: 0.5px solid #585858;
    background-color: #edb5c12a;
    padding-top: 10px;
    padding-left: 30px;
    padding-bottom: 10px;
    padding-right: 25px;
    border-radius: 7px;
    font-size: 0.9em;
}


.header-section {
    margin: 0 auto;
    border-bottom: 0.2px solid #ececec;
}

a:link {
    color: rgba(84, 56, 56, 0.976);
    font-weight: 400;
    /* text-decoration: none; */
}

a:visited {
    color: #525252;
}

a:hover {
    color: rgb(160, 160, 159);
    text-decoration: underline;
}

.footer-section {
    margin: 0 auto;
    /* border-top: 0.2px solid #e9ecef; */
}


.footer {
    width: 990px;
    /* height: 60px; */
    margin-left: auto;
    margin-right: auto;
    font-size: 0.85em;
    padding-top: 0.85em;
    padding-bottom: 0.85em;
    text-align: center;
    color: #cccccc;
}

@media screen and (max-width: 1000px) {
    .footer {
        width: 100%;
    }
}

.footer a {
    color: #999;
    text-decoration: none;
}

hr {
    border-top: 1px solid #e9ecef;
}

@media screen and (max-width: 1000px) {
    .content-section {
        width: 100%;
        margin: 0;
        padding: 0;
    }   
}

h1 {
    text-align: center;
    /* font-weight: 700; */
    color:#444;
}

h2 {
    font-weight: 600;
    color:#444;

}

h3 {
    font-weight: 500;
    color:#444;

}

b, strong {
    font-weight: 600;
}



@media (max-width: 1000px) {
    .content {
        margin-left: 10px;
        margin-right: 10px;
    }

}


.no-underline {
  text-decoration: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid #d0d7de;
    margin: 1rem 0;
}

th,
td {
    border: 1px solid #d0d7de;
    padding: 10px 14px;
    text-align: left;
}

th {
    background-color: #f6f8fa;
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: #fafbfc;
}

tr:hover {
    background-color: #f3f4f6;
}