/* --- Sticky footer --- */
html {
  min-height: 100%;
  -ms-overflow-style: scrollbar;
  position: relative;
  word-wrap: break-word;
}
body {
  margin-bottom: 50px;
}
footer {
  background-color: #dcdcdc;
  bottom: 0;
  height: 50px;
  position: absolute;
  width: 100%;
}

/* --- Footer styles --- */
.copyright{
  font-size: 12px;
  margin-top: 15px;
}

/* Bootstrapではh2のmargin-bottomが10pxしかなく狭いので広げる */
h2 {
  margin-bottom: 20px;
}