@font-face {
    font-family: 'seikyusho-mail';
    src: url('./font/seikyusho-mail.woff') format('woff'),
         url('./font/seikyusho-mail.svg#seikyusho-mail') format('svg');
    font-weight: normal;
    font-style: normal;
}

.seikyusho-mail {
    font-family: 'seikyusho-mail';
    font: normal normal normal 24px/1 seikyusho-mail;
    display: inline-block;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.seikyusho-mail:before {
    content: "\e900";
}