.header {
  position: relative;
  width: 100%;
  z-index: 200;
}

/* header固定のため余白をつける。メニューのCSSには関係ない */
.main {
  margin-top: 60px;
  margin-bottom: 300px;
}

/* sp */
@media only screen and (max-width: 768px) {
  .header {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 80px;
    z-index: 200;
    background: rgba(255, 2555, 255, .89)
  }

  .nav {
    position: fixed;
    right: -320px;
    /* 右から出てくる */
    top: 0;
    width: 300px;
    /* スマホに収まるサイズ */
    height: 100vh;
    padding-top: 60px;
    background-color: #fff;
    transition: all .6s;
    z-index: 200;
    overflow-y: auto;
    /* メニューが多くなったらスクロールできるように */
  }

  .hamburger {
    position: absolute;
    right: 15px;
    top: 18px;
    width: 40px;
    /* クリックしやすい幅 */
    height: 40px;
    /* クリックしやすい高さ */
    cursor: pointer;
    z-index: 300;
  }

  .hamburger_border {
    position: absolute;
    left: 11px;
    width: 18px;
    height: 2px;
    background-color: #333;
    transition: all .6s;
  }

  .hamburger_border_top {
    top: 14px;
  }

  .hamburger_border_center {
    top: 20px;
  }

  .hamburger_border_bottom {
    top: 26px;
  }

  .black_bg {
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    z-index: 100;
    background-color: #333;
    opacity: 0;
    visibility: hidden;
    transition: all .6s;
    cursor: pointer;
  }

  /* 表示された時用のCSS */
  .nav-open .nav {
    right: 0;
  }

  .nav-open .black_bg {
    opacity: .8;
    visibility: visible;
  }

  .nav-open .hamburger_border_top {
    transform: rotate(45deg);
    top: 20px;
  }

  .nav-open .hamburger_border_center {
    width: 0;
    left: 50%;
  }

  .nav-open .hamburger_border_bottom {
    transform: rotate(-45deg);
    top: 20px;
  }
}

/* pc */
@media only screen and (min-width: 769px) {
  .header {
    padding: 30px 0;
  }

  .nav {
    display: flex;
    align-items: center;
  }
}

/* ------------------------------------------------------------------
inner
------------------------------------------------------------------ */
@media(min-width:1024px) {
  .head_inner {
    margin: 0 auto;
    width: 96%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
}

/* ------------------------------------------------------------------
header nav
------------------------------------------------------------------ */
.navbar {
  border: 0px solid transparent;
  background: transparent;
  font-weight: 400;
  border-radius: 0;
  margin-bottom: 0;
}

.navbar a:focus {
  outline: 0;
}

.navbar .navbar-nav {
  letter-spacing: 1px;
}

ul.navbar-nav li {
  float: none;
  display: inline-block;
  font-size: 1.4rem;
  text-align: center;
  font-weight: 500;
  color: #1a1a1a;
  letter-spacing: .2em;
  position: relative;
  transition: .3s;
  -moz-transition: background-color .2s linear, color .2s linear, border .2s linear;
  -webkit-transition: background-color .2s linear, color .2s linear, border .2s linear;
  -o-transition: background-color .2s linear, color .2s linear, border .2s linear;
  -ms-transition: background-color .2s linear, color .2s linear, border .2s linear;
  transition: background-color .2s linear, color .2s linear, border .2s linear;
}

ul.navbar-nav li a {
  display: block;
  color: #1a1a1a;
  padding: 0 20px;
}

.navbar .navbar-nav li a:focus {
  outline: 0;
}

@media(min-width:768px) {
  .navbar-collapse {
    padding-right: 0px;
    padding-left: 0px;
  }

  .navbar {
    padding-top: 20px;
    padding-bottom: 20px;
    transition: .5s;
    width: 100%;
  }

  .navbar-header {
    float: none;
  }

  .fixed-top {
    background: #fff;
    position: fixed;
    right: 0;
    left: 0;
    z-index: 1030;
    -webkit-transition: padding .3s;
    -moz-transition: padding .3s;
    transition: padding .3s;
    top: 0;
    box-shadow: 0px 1px 15px rgba(0, 0, 0, 0.1);
  }

  .navbar.top-nav-collapse {
    border-bottom: 1px solid rgba(255, 255, 255, 0);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 1px 15px rgba(0, 0, 0, 0.1);
    padding-top: 18px;
    padding-bottom: 16px;
  }

  .navbar-nav {
    text-align: center;
    font-size: 0;
  }

  ul.navbar-nav li a {
    padding: 0 14px;
  }

  ul.navbar-nav li::after {
    position: absolute;
    bottom: -14px;
    left: 0;
    content: '';
    width: 0;
    height: 2px;
    background-color: #0f318d;
    transition: .3s;
  }

  ul.navbar-nav li:hover::after {
    width: 100%;
  }
}

@media(min-width:1024px) {
  .navbar-header {
    float: none;
  }

  .fixed-top {
    height: 180px;
  }

  .navbar {
    padding-top: 0px;
    padding-bottom: 0px;
  }
  ul.navbar-nav li{
    font-size: 1.35rem
  }
}

@media(min-width:1280px) {
  ul.navbar-nav li{
    font-size: 1.6rem
  }

  ul.navbar-nav li a {
    padding: 0 20px;
  }
}

@media(min-width:1920px) {

}

@media only screen and (max-width: 1023px) {
  .navbar {
    min-height: 0px;
  }

  ul.navbar-nav li {
    display: block;
  }

  .navbar-nav>li {
    border-bottom: solid 1px #eee;
  }

  ul.navbar-nav li a {
    line-height: 1;
    padding: 25px 0px;
  }
}

@media only screen and (max-width: 736px) {}

@media only screen and (max-width: 320px) {

}

/* ------------------------------------------------------------------
logo
------------------------------------------------------------------ */
.logo_wrapper{
  display: flex;
  align-items: center;
}

.head_inner h1 {
  color: #1a1a1a;
  margin-bottom: 0;
  font-weight: 500;
  opacity: 0.7;
}

@media(min-width:768px) {
  .head_inner h1 {
    font-size: 1rem;
    line-height: 1.3;
  }

  .header_logo {
    padding-top: 27px;
    width: 260px;
    margin-bottom: 0px;
    margin-left: 20px;
    margin-right: 15px;
  }
}

@media(min-width:1024px) {

  .head_inner h1 {
    letter-spacing: .1em;
    font-size: 1.24rem;
    padding-left: 1em;
    width: 220px;
  }

  .header_logo {
    padding-top: 0px;
    width: 290px;
    transition: .5s;
    margin-bottom: 0px;
    margin-left: 0;
  }

  .header_logo img {
    width: 100%;
    margin-left: 0;
  }
}

@media(min-width:1280px) {
  .header_logo {
    width: 350px;
  }

  .head_inner h1 {
    width: 300px;
  }
}

@media(min-width:1366px) {
  .header_logo {
    width: 400px;
  }

  .head_inner h1 {
    width: 400px;
  }
}

@media(min-width:1920px) {
  .head_inner h1 {
    font-size: 1.5rem;
  }

  .header_logo {
    width: 420px;
  }
}

@media only screen and (max-width: 1023px) {
  .head_inner h1 {
    letter-spacing: .05em;
    font-size: 1.1rem;
    text-align: center;
  }
}

@media only screen and (max-width: 736px) {
  .logo_wrapper{
    padding: 28px 0 0 10px;
  }
  .head_inner h1 {
    line-height: 1.4;
    padding-left: .5em;
    text-align: left;
    width: 200px;
  }

  .header_logo {
    width: 240px;
  }

  .header_logo img {
    width: 100%;
    margin-left: 0;
  }
}

@media only screen and (max-width: 360px) {
  .header_logo img {
    width: 90%;
    margin-left: 0;
  }
}

/* ------------------------------------------------------------------
logo　電話番号　ボタン
------------------------------------------------------------------ */
.header_btn {
  padding-left: 5px;
}

.header_btn .btn{
  width: 120px;
  letter-spacing: .1em;
  font-size: 1.25rem;
}

@media(min-width:1024px) {
  .header_contact .btn-gradient {
    line-height: 48px;
    width: 140px;
    font-weight: 500;
    font-size: 1.5rem;
  }

  .header_contact .mail__icon::before {
    width: 16px;
    height: 16px;
    left: 20px;
    background-size: 16px 16px;
    margin-top: -8px;
  }
}

@media(min-width:1280px) {
  .header_btn .btn{
    width: 160px;
    font-size: 1.55rem;
  }

  .header_contact .btn-gradient {
    line-height: 48px;
    width: 160px;
    font-size: 1.7rem;
  }

  .header_contact .mail__icon::before {
    width: 20px;
    height: 20px;
    left: 25px;
    background-size: 20px 20px;
    margin-top: -10px;
  }
}

@media only screen and (max-width: 1023px) {
  .header_contact {
    display: none;
  }
}

@media only screen and (max-width: 736px) {

}