@charset 'utf-8';
body {
  margin: 0;
  padding: 0;
  color: #222;
}
header {
  background: rgba(255, 255, 255, 0.8);
  filter: drop-shadow(5px 5px 5px rgba(0, 0, 0, 0.1));
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 10;
}
.logo {
  max-width: 960px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 30px auto;
}
.logo img {
  width: 80px;
}
.title {
  margin-left: 10px;
}
.logo h1 {
  display: block;
  font-size: 1.8em;
}
.logo p {
  display: block;
  font-size: 1.2em;
}
header nav {
  width: 100%;
}
header nav ul {
  display: flex;
  max-width: 960px;
  justify-content: center;
  margin: 0 auto;
}
header nav ul li {
  width: 20%;
}
header nav ul li a:visited, header nav ul li a:link {
  text-decoration: none;
  color: #222;
  display: block;
  text-align: center;
  font-size: 1.2em;
  font-weight: bold;
  padding: 0;
}
header nav ul li a span {
  display: block;
  font-size: 0.8em;
  font-weight: normal;
  letter-spacing: 1px;
  margin: -3px 0 6px 0;
}
header nav ul li a::after {
  content: '';
  display: block;
  border-bottom: 3px solid #222;
  margin: 0 auto;
  width: 0;
  transition: all .3s;
}

header nav ul li a:hover::after {
  width: 100%;
}
.main_img img {
  width: 100%;
		height: auto;
  margin-top: 174px;
}
.content {
  width: 100%;
  padding: 100px 0;
}
.content_area {
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}
.content_area h2 {
  display: block;
  margin: 0 auto;
  font-size: 1.5em;
  position: relative;
}
.content_area h2 span {
  display: block;
  font-size: 0.6em;
  letter-spacing: 2px;
  margin: -4px auto 0;
  color: #757575;
}
.about h2::after {
  content: '';
  display: block;
  position: absolute;
  bottom: -25px;
  height: 8px;
  width: 100%;
  background: #d0d0d0;
  width: 70%;
  margin: auto;
  left: 0;
  right: 0;
}
.content_area h3 {
  font-size: 1.4em;
  text-align: left;
  padding: 0.4em 0.5em;
  color: #000;
  background: #eee;
  border-left: solid 7px #000;
  border-bottom: solid 5px #d7d7d7;
  margin: 50px 0 20px 0
}
.content_area h4 {
  position: relative;
  border-bottom: 4px solid #ddd;
  font-size: 1.3em;
  text-align: left;
  padding: 10px 0 5px 10px;
  margin: 20px 0
}
.content_area h4:before {
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 20%;
  height: 4px;
  content: '';
  background: #222;
}
.content_area h5 {
  font-size: 1.2em;
  text-align: left;
  color: #494949;
  margin: 20px 0
}
.content_area p {
  margin: 20px auto 0;
  width: 100%;
  font-size: 1.2em;
  line-height: 2.3;
  text-align: left
}
.news {
  background: #fff;
}
.news_area {
  height: 600px;
  overflow-y: scroll;
  margin-top: 20px;
  width: 95%;
  margin: 0 auto;
}
.news_area table {
  width: 100%;
  font-size: 1.1em;
}
.news_area table tr {
  border-bottom: 1px solid #9d9d9d;
}
.news_area table tr td {
  padding: 16px 0 4px 0;
}
.news_area table tr td time {
    margin-right: 30px;
}
.news_area table tr td time::before {
  font-family: FontAwesome;
  content: '\f140';
  font-size: 0.8em;
  margin-right: 2px;
  color: #9d9d9d;
  margin-right: 5px;
}
footer {
  background: #222;
}
footer p {
  color: #fff;
  text-align: center;
  letter-spacing: 1px;
  font-size: 0.9em;
  line-height: 6;
}
/*---------------------------
下層ページ
---------------------------*/
#page_header {
  padding-top: 10px;
  filter: drop-shadow(5px 0px 5px rgba(0, 0, 0, 0.1));
  background: rgba(255, 255, 255, 0.9);
}
/*----------------------------------------------------------------------------
******************************************************************************
** pagetop
******************************************************************************
----------------------------------------------------------------------------*/
.pt {
  border-radius: 50%;
  background-color: #333;
  bottom: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  right: 30px;
  position: fixed;
  width: 60px;
  z-index: 100;
}
.pt:hover {
  opacity: 0.6;
}
.pt_btn {
  cursor: pointer;
  display: block;
  width: 20px;
  height: 20px;
  margin-top: 8px;
  transform: rotate(45deg);
  position: relative;
}
.pt_btn::before, .pt_btn::after {
  background-color: #FFF;
  content: "";
  display: block;
  top: 0;
  left: 0;
  position: absolute;
}
.pt_btn::before {
  width: 7px;
  bottom: 0;
}
.pt_btn::after {
  height: 7px;
  right: 0;
}
@media screen and (max-width:579px) {
  .logo {
    margin: 20px 0 10px 10px;
    width: calc(100% - 40px);
  }
  .logo img {
  width: 80px;
}
  img {
  max-width: 100%;
  height: auto
  }
  header {
    position: relative;
  }
  html, body {
    overflow-x: hidden;
  }
  header {
    background-color: white;
    filter: none !important;
    z-index: 0;
    position: static !important;
  }
  header nav {
    background: #000;
    color: #fff;
    height: calc(100% + 500px);
    padding-bottom: 500px;
    z-index: 100;
    width: 70%;
    overflow-x: none;
    overflow-y: auto;
    top: 0px;
    right: -70%;
    position: fixed;
    transition: All 0.5s ease;
  }
  header nav ul {
    font-size: 0.8em;
    float: none;
    display: block;
  }
  header nav ul > li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    width: 100%;
    padding-top: 0;
    box-sizing: border-box;
  }
  header nav ul > li > a {
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
    font-size: 1.6em !important;
    color: #fff !important;
    display: block;
    padding: 1em 1.5em !important;
    text-decoration: none;
    position: relative;
    letter-spacing: 0.05em;
  }
  header nav ul > li:last-child > a {
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
    font-size: 1.6em !important;
    color: #fff !important;
    display: block;
    padding: 1.5em 0 !important;
    text-decoration: none;
    position: relative;
    letter-spacing: 0.05em;
  }
  header nav ul > li > a::after {
    border: none;
  }
  header nav ul > li > a img {
    display: none;
  }
  header nav ul > li > a span {
    margin: 0;
  }
  .main_img img {
    max-width: 100%;
    height: auto;
    margin-top: 0
  }
  .content {
    padding: 50px 10px;
  }
  .content_area p {
    font-size: 1.1em;
    text-align: left
  }
  .news_area table tr td {
    vertical-align: top;
				padding-top: 0;
				display: block!important
  }
  .news_area table tr td time {
    margin-right: 10px;
  }
  footer p {
    line-height: 1.5;
    background: #000;
    padding: 10px
  }
  /*---------------------------
下層ページ
---------------------------*/
  #page_header {
    position: fixed;
  }
  #page_header + .content {
    padding-top: 50px;
  }
  .sub-menu {
    padding: 0 !important;
  }
  .sub-menu > li > a {
    background-color: rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff !important;
    display: block;
    font-size: 1.3em;
    padding: 1em 2.8em;
    text-decoration: none
  }
  .sp_nav_open {
    right: 0 !important
  }
  .sp_nav_trigger {
    cursor: pointer;
    z-index: 1000;
    position: fixed !important;
    top: 25px;
    right: 15px;
    margin-top: -5px;
    width: 36px;
    height: 24px
  }
  .sp_nav_trigger span {
    display: inline-block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: #000;
    border-radius: 4px;
    transition: all .4s;
    box-sizing: border-box
  }
  .sp_nav_trigger span:nth-of-type(1) {
    top: 0
  }
  .sp_nav_trigger span:nth-of-type(2) {
    top: 10px
  }
  .sp_nav_trigger span:nth-of-type(3) {
    bottom: 0
  }
  .sp_nav_trigger::after {
    position: absolute;
    left: 0;
    bottom: -20px;
    content: 'MENU';
    display: block;
    width: 100%;
    padding-top: 20px;
    color: #000;
    font-size: 10px;
    text-decoration: none;
    text-align: center;
    transition: all 0.4s
  }
  .sp_nav_trigger.sp_active::after {
    content: 'CLOSE';
    bottom: -25px;
    color: #fff
  }
  .sp_nav_trigger.sp_active span:nth-of-type(1) {
    transform: translateY(10px) rotate(-45deg);
    background: #fff
  }
  .sp_nav_trigger.sp_active span:nth-of-type(2) {
    opacity: 0;
    background: #fff
  }
  .sp_nav_trigger.sp_active span:nth-of-type(3) {
    transform: translateY(-10px) rotate(45deg);
    background: #fff
  }
  /*----------------------------------------------------------------------------
******************************************************************************
** pagetop
******************************************************************************
----------------------------------------------------------------------------*/
  .pt {
    border-radius: 50%;
    background-color: #333;
    bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    right: 10px;
    position: fixed;
    width: 40px;
    z-index: 100;
  }
  .pt:hover {
    opacity: 0.6;
  }
  .pt_btn {
    cursor: pointer;
    display: block;
    width: 14px;
    height: 14px;
    margin-top: 5px;
    transform: rotate(45deg);
    position: relative;
  }
  .pt_btn::before, .pt_btn::after {
    background-color: #FFF;
    content: "";
    display: block;
    top: 0;
    left: 0;
    position: absolute;
  }
  .pt_btn::before {
    width: 5px;
    bottom: 0;
  }
  .pt_btn::after {
    height: 5px;
    right: 0;
  }
}