.c5-link_form {
  width: 86.66%;
  margin: 4.166% auto 0;
  padding: 10px;
  position: relative; }

@media screen and (max-width: 768px) {
  .c5-link_form {
    width: 100%;
    padding: 2.9%;
    margin: 9.33% auto;
    -webkit-box-sizing: border-box;
    box-sizing: border-box; } }

.c5-link_form__main {
  padding: 2.4% 2.4% 3.365%;
  background: #eaf8fa; }

@media screen and (max-width: 768px) {
  .c5-link_form__main {
    padding: 7.93%; } }

.c5-link_form__ttl {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin: 0;
  margin-bottom: 2.4%;
  line-height: 1.2; }

@media screen and (max-width: 768px) {
  .c5-link_form__ttl {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 4.687%; } }

.c5-link_form__btn {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center; }

@media screen and (max-width: 768px) {
  .c5-link_form__btn {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column; } }

.c5-link_form__btn .c5-contact-btn {
  width: 28%;
  margin: 0 15px; }

@media screen and (max-width: 768px) {
  .c5-link_form__btn .c5-contact-btn {
    width: 58vw;
    margin: 4.68019% auto 0; } }

.c5-link_form__btn .c5-contact-btn a {
  font-size: 21px;
  line-height: 1.2; }

@media screen and (max-width: 768px) {
  .c5-link_form__btn .c5-contact-btn a {
    font-size: 16px; } }

.c5-link_form__top:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-top: 2px solid #5787f4;
  border-left: 2px solid #5787f4; }

.c5-link_form__top:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  border-top: 2px solid #5787f4;
  border-right: 2px solid #5787f4; }

.c5-link_form__btm:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-bottom: 2px solid #5787f4;
  border-left: 2px solid #5787f4; }

.c5-link_form__btm:after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 20px;
  height: 20px;
  border-bottom: 2px solid #5787f4;
  border-right: 2px solid #5787f4; }