@charset "utf-8";

/*********************
* base
*********************/
* {
	box-sizing: border-box;
}

#mainheader {
    position: relative;
    padding: 0;
}

#mainheader #logo {
    position: relative;
    top: 0 !important;
    left: 0 !important;
}

#contents {
    width: 700px;
    margin: 20px auto 0 auto;
    padding: 0 30px;
    border: 1px solid #aaa;
    border-radius: 10px;
}

#contents h2.title {
    font-size: 2em;
    font-weight: bold;
}

#contents table {
    margin: 10px 0;
}

#contents table th,
#contents table td {
        padding: 5px;
}

#contents .attention {
    color: #FF0000;
    font-weight: bold;
}

input[type=submit] {
    border-radius: 5px;
    background-color: #7da83f;
    border-style: none;
    padding: 0.5em;
}

@media screen and (max-width: 640px) {
    #mainheader #logo {
        width: 40%;
    }
    #contents {
        width: 96%;
        margin: 20px auto 0 auto;
        padding: 0 0.5em;
        }
    #contents h2.title {
        font-size: 1.5em;
        font-weight: bold;
    }
    table, th, td {
        width: 100%;
    }
    th, td {
        text-align: left;
        display: block;
    }
    input {
        width: 100%;
    }
}