.floatL {
  float: left; }

.floatR {
  float: right; }

.clearfix::after {
  content: "";
  display: table;
  clear: both; }

/*@mixin fontH3 {
    font-size: 30px;    
}*/
/* grid */
.gridStyle55 div {
  float: left;
  width: 48%; }
  .gridStyle55 div:first-child {
    margin-right: 4%; }

@media all and (max-width: 750px) {
  .gridStyle55 div {
    float: none;
    width: 100%; }
    .gridStyle55 div:first-child {
      margin-right: 0%; } }

.blog5 .summary .word {
  margin: 40px 0 50px 0; }
  .blog5 .summary .word h1 {
    margin-bottom: 30px;
    font-size: 32px;
    line-height: 49px;
    text-align: center; }
    .blog5 .summary .word h1 span {
      display: block; }
  .blog5 .summary .word h2 {
    margin-top: 30px;
    padding: 0 55px;
    font-size: 20px;
    line-height: 30px;
    font-weight: bold;
    font-style: italic; }

.blog5 .introduce {
  margin-top: 50px; }
  .blog5 .introduce img {
    margin-bottom: 15px; }
  .blog5 .introduce p {
    padding-bottom: 30px; }

/* RWD */
@media all and (max-width: 750px) {
  .blog5 .summary {
    margin-bottom: 30px; }
    .blog5 .summary .word {
      margin-bottom: 30px; }
      .blog5 .summary .word h1 {
        font-size: 34px;
        line-height: 42px;
        text-align: left; }
        .blog5 .summary .word h1 span {
          display: block; }
      .blog5 .summary .word h2 {
        padding: 0;
        font-size: 23px;
        line-height: 34px; }
    .blog5 .summary .content img {
      float: none;
      width: 100%;
      margin-bottom: 30px; }
    .blog5 .summary .content p {
      float: none;
      width: 100%; }
  .blog5 .introduce {
    margin: 70px 60px 30px 60px; }
    .blog5 .introduce img {
      padding-bottom: 30px; } }

@media all and (max-width: 576px) {
  .blog5 .summary .content img {
    margin-bottom: 15px; }
  .blog5 .introduce {
    margin: 70px 30px 30px 30px; }
    .blog5 .introduce img {
      padding-bottom: 15px; } }