/* layout */
html, body {
  font-size: 16px;
  font-family: 'Hiragino Kaku Gothic Pro', sans-serif;
}
h3 {
  font-size: 26px;
  font-weight: bold;
}
p {
  font-size: 15px;
}
a {
  color: #000;
}
a:hover {
  color: #000;
  text-decoration: none;
}
section {
  padding: 80px 0;
}
img {
  max-width: 100%;
}
.sp {
  display: none;
}

/* header */
header {
  padding: 15px 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}
header ul {
  margin-bottom: 0;
}
header ul li {
  display: inline-block;
}
header ul li:first-child {
  margin-right: 20px;
}
header ul li:last-child a {
  color: #e67519;
}
header img {
  width: 160px;
}
.h_menu {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  align-items: center;
}

/* main */
.main {
  width: 100%;
  height: 380px;
  background-image: url('../../assets/img/main_bg.png');
  background-size: cover;
  text-align: center;
  padding: 75px 0;
}
.m_title h3 {
  font-family: 'Open Sans', sans-serif;
  color: #fff;
  letter-spacing: 6px;
  margin-bottom: 15px;
}
/* mock */
.m_container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
   -ms-flex-pack: center;
 justify-content: center;
}
.m_item h3 {
  margin-bottom: 10px;
}
.m_item {
  text-align: center;
  margin: 0 26px;
}
.m_item img {
  margin-top: -130px;
}

/* feature */
.feature {
  text-align: center;
  background: #f7f7f7;
}
.f_container {
  margin-top: 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
   -ms-flex-pack: center;
 justify-content: center;
}
.f_item {
  margin: 0 30px;
}
.f_item h3 {
  font-family: 'Lato', sans-serif;
  font-size: 30px;
  letter-spacing: 5px;
  margin: 30px 0;
}
.f_item h3 span {
  color: #147dd6;
}
.f_item p {
  margin-bottom: 10px;
}
.f_img {
  width: 230px;
  height: 230px;
  background: #fff;
  border-radius: 50%;
  position: relative;
  margin: auto;
}
.f_img img {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
}

/* intro */
.i_container {
  display: flex;
  margin-bottom: 60px;
}
.i_container:last-child {
  margin-bottom: 0;
}
.i_item {
  width: 50%;
  padding: 0 10px;
}
.i_item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.i_item h3 {
  font-family: 'Lato', sans-serif;
  font-size: 30px;
  letter-spacing: 5px;
  padding: 30px 0 15px 0;
}
.i_item h3 span {
  color: #147dd6;
}
.i_item h4 {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 15px;
}
.i_item p {
  line-height: 2.0;
}

/* concept */
.concept {
  background-image: url('../../assets/img/concept_bg.png');
  text-align: center;
  color: #fff;
}
.concept h3 {
  padding-bottom: 30px;
}
.c-block {
  padding: 15px 0;
}

/* register */
.register {
  text-align: center;
}
.btn_register {
  width: 460px;
  max-width: 100%;
  background: #ed7310;
  padding: 30px 0;
  border-radius: 0;
}
.btn_register span {
  color: #fff;
}

/* footer */
footer {
  padding: 15px 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: space-between;
   -ms-flex-pack: space-between;
 justify-content: space-between;
}
footer ul {
  padding-left: 0;
}
footer ul li {
  list-style: none;
  font-size: 13px;
  margin-right: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  align-items: center;
}
footer img {
  width: 140px;
}
.ft_body ul {
  display: flex;
}
.ft_right {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  align-items: center;
}
.ft_right p {
  font-size: 11px;
}
.small_h3 {
font-size: 18px;
}
@media screen and (max-width: 800px) {
  .small_h3 {
    font-size: 12px !important;
  }
  /* common */
  h3 {
    font-size: 18px;
  }
  p {
    font-size: 14px;
  }
  section {
    padding: 60px 0;
  }
  .sp {
    display: block;
  }
  .pc {
    display: none;
  }

  /* header */
  header {
    padding: 10px 15px;
  }
  header ul li a {
    font-size: 12px;
  }
  header img {
    width: 100px;
  }

  /* main */
  .main {
    height: 330px;
    padding: 60px 0;
  }
  .m_title img {
    width: 300px;
  }
  .m_title h3 span {
    margin-left: 2px;
  }
  .m_container {
    flex-direction: column-reverse;
  }
  .m_item h3 {
    font-size: 16px;
  }
  .m_item img {
    margin-bottom: 30px;
  }

  /* feature */
  .feature h3 {
    font-size: 16px;
  }
  .f_container {
    flex-direction: column;
  }
  .f_item {
    margin: 0;
    margin-bottom: 30px;
  }
  .f_item:last-child {
    margin-bottom: 0;
  }
  .f_img {
    width: 180px;
    height: 180px;
    margin: auto;
  }
  .f_img img {
    width: 70px;
  }
  .f_item h3 {
    font-size: 24px;
  }

  /* intro */
  .intro .container {
    padding: 0;
  }
  .i_container {
    flex-direction: column;
    margin-bottom: 30px;
  }
  .i_reverse {
    flex-direction: column-reverse;
  }
  .i_item {
    width: 100%;
    padding: 0;
  }
  .i_text {
    padding: 0 15px;
  }

  .c-block {
    padding: 15px 0;
  }

  /* register */
  .btn_register {
    width: 300px;
    padding: 20px 0;
  }

  /* footer */
  footer ul li {
    -webkit-box-pack: center;
     -ms-flex-pack: center;
   justify-content: center;
   margin-bottom: 15px;
   margin-right: 0;
  }
  footer, .ft_body ul {
    flex-direction: column;
  }
  .ft_right {
    -webkit-box-pack: center;
     -ms-flex-pack: center;
   justify-content: center;
  }
}