@media (width >= 770px) {
  body {
    min-width: 1400px;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

footer {
  margin-top: auto;
}


p {
  line-height: 190%;
}

/* header */
#header_nav {
  width: 1400px;
}

#header_nav h1 {
  font-size: 0;
}

/* footer */
@media (width < 770px) {
  .menu_tree {
    padding: 0 30px;
  }
}

/* nav - pc */
ul.h_gnav li a::after {
  background: #00aa7c;
}

ul.h_gnav li a:hover {
  color: #00aa7c;
}

/* responsive header */
#ham_nav .btn-gNav span {
  background: #00aa7c;
}

/* 問合せボタン */
.app_btn {
  background: #00aa7c;
}

.app_btn:hover {
  background: #136556;
}

/* 問合せボタン　ページ内 */
.main_btn {
  width: 400px;
  height: 126px;
  margin: 80px auto 0;
  text-align: center;
}

.main_btn a {
  font-size: 3.1rem;
  font-weight: bold;
  color: #fff;
  display: block;
  height: 100%;
  line-height: 126px;
  background: #00aa7c;
  border-radius: 10px;
}

.main_btn a:hover {
  background: #136556;
}

@media (width < 770px) {
  .main_btn {
    width: 100%;
  }

  .main_btn a {
    font-size: 2.7rem;
  }
}


section {
  width: 100%;
}

.sec_inner {
  width: 1000px;
  margin: 0 auto;
}

@media (width < 770px) {
  #s1 {
    margin-top: 150px;
  }

  .sec_inner {
    width: 100%;
    padding: 0 20px;
  }
}

.fb_box01,.fb_box02 {
  display: flex;
  justify-content: space-between;
}

@media (width < 770px) {
  .fb_box01 {
    flex-direction: column;
  }
}

/* 見出しライン　横 */
.btm_line {
  position: relative;
  padding-left: 90px;
}

.btm_line::before {
  position: absolute;
  content: '';
  width: 70px;
  height: 15px;
  background: #00aa7c;
  top: 0;
  bottom: 0;
  left: 0;
  margin: auto 0;
}