body {
  color: #383e45;
}

img {
  width: 100%;
}

a {
  text-decoration: none;
}

li {
  list-style: none;
}

/* header */
.site-title {
  width: 130px;
  line-height: 1px;
  padding: 0 10px;
}

.site-title a {
  display: block;
}

#header {
  width: 100%;
  background-color: #fff;
  z-index: 2;
  position: fixed;
  top: 0;
  left: 0;
}

#header.scroll {
  opacity: .9;
  transition: .6s;
}

#header .container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 63px;
}

#header .menu-group {
  display: flex;
}

#header li a {
  display: block;
  font-size: 18px;
  padding: 18px;
  color: #186b06;
  font-weight: bold;
  opacity: .8;
  transition: .3s;
}

#header li a:hover {
  opacity: 1;
  background-color: #dce8db;
}

#header li a.active {
  background-color: #dce8db;
}

/* ナビメニュー追加 */
#header li .consultation {
  background-color: #186b06;
  color: #fff;
}

#header li .consultation:hover {
  background-color: #076802;
  color: #fff;
}

/* responsive-btn */
#header .toggle-btn {
  display: block;
  position: relative;
  right: 30px;
  width: 30px;
  height: 30px;
  z-index: 3;
  cursor: pointer;
  user-select: none;
  display: none;
}

#header .toggle-btn span {
  position: absolute;
  display: block;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: #333;
  transition: all .5s;
  border-radius: 4px;
}

#header .toggle-btn span:nth-child(1) {
  top: 4px;
}

#header .toggle-btn span:nth-child(2) {
  top: 14px;
}

#header .toggle-btn span:nth-child(3) {
  bottom: 4px;
}


#header .toggle-btn span:nth-child(1).open {
  transform: translateY(10px) rotate(-315deg);
}

#header .toggle-btn span:nth-child(2).open {
  opacity: 0;
}

#header .toggle-btn span:nth-child(3).open {
  transform: translateY(-10px) rotate(315deg);
}



/* header-responsive-nav */
.responsive-nav {
  display: block;
  position: fixed;
  background-color: #fff;
  top: 0;
  left: -300px;
  bottom: 0;
  transition: all .5s;
  z-index: 4;
  opacity: 0;
}

.responsive-nav.open {
  left: 0;
  opacity: 1;
}

.responsive-nav .responsive-inner {
  padding: 25px;
}

.responsive-site-title {
  width: 200px;
}

.responsive-nav .responsive-inner ul li {
  border-bottom: 1px solid #333;
}

.responsive-nav .responsive-inner ul li a {
  display: block;
  color: #186b06;
  font-weight: bold;
  padding: 18px;
  transition-duration: .2s;
}


.responsive-nav .responsive-inner ul li a:hover {
  background-color: #dce8db;
}

.responsive-nav .responsive-inner ul li .consultation {
  background-color: #186b06;
  color: #fff;
}

.responsive-nav .responsive-inner ul li .consultation:hover {
  background-color: #088b02;
  color: #fff;
}



.responsive-nav .responsive-inner ul li .responsive-site-title-a:hover {
  background-color: #fff;
}

/* responsive-mask */
.mask {
  display: none;
  transition: all .5s;
}

.mask.open {
  display: block;
  background-color: #000;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: fixed;
  opacity: .7;
}

.header-area {
  display: block;
  width: 100%;
  height: 63px;
}



/* footer */

footer {
  background-color: #f2f2f3;
  padding: 60px 30px 30px 30px;
}

footer li {
  margin-bottom: 20px;
}

footer li a {
  color: #000;
}

footer li a:hover {
  text-decoration: underline;
}

footer h4 {
  margin-bottom: 26px;
  border-bottom: 1px solid #000;
}

.footer-flex {
  display: flex;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
}

.footer-left-area,
.footer-center-area,
.footer-right-area {
  width: 31%;
}


.footer-left-area .footer-logo {
  margin-bottom: 16px;
  user-select: none;
}



footer .copyright {
  font-size: 14px;
  margin-top: 60px;
  color: #8e8e8e;
  text-align: center;
}

footer .copyright .mgr-2 {
  margin-right: 2px;
}


@media screen and (max-width: 640px) {

  #header .nav{
    display: none;
  }

  #header .toggle-btn {
    display: block;
  }

  .footer-flex {
    display: block;
  }

  .footer-left-area,
  .footer-center-area,
  .footer-right-area {
    width: 100%;
    margin-bottom: 30px;
  }

  .footer-left-area .footer-logo {
    max-width: 300px;
  }
  
  
}

@media screen and (max-width: 420px) {

  footer {
    padding: 30px;
  }

}