body {
  color: #250d00;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  line-height: 1.5;
}

img {
  width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: #250d00;
}

a:hover {
  opacity: 0.7;
}

.container {
  width: 90%;
  max-width: 980px;
  margin: auto;
}

.clear::after {
  content: "";
  clear: both;
  display: block;
}

/*==============
header
==============*/
header {
  padding: 15px;
}

.header-title {
  font-weight: bold;
  font-size: 24px;
}

.header-left {
  float: left;
}

.header-right {
  float: right;
}

.header-nav-list {
  float: left;
  margin-left: 35px;
}

.header-nav-list a {
  font-size: 14px;
  font-weight: 600;
  line-height: 36px;
}

/*==============
top
==============*/
.top {
  background-image: url(../img/top.jpg);
  background-size: cover;
  padding: 200px 0;
}

.top-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}

.top-subtitle {
  font-size: 18px;
  text-align: center;
}

/*==============
.section共通
==============*/
.section {
  padding: 40px 0;
}

.section-title {
  font-size: 24px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 5px;
}

.section-subtitle {
  font-size: 14px;
  text-align: center;
  margin-bottom: 30px;
}

/*==============
about
==============*/
.about-left {
  float: left;
  width: 48%;
}

.about-right {
  float: right;
  width: 48%;
}

.about-name {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 5px;
}

/*==============
service
==============*/
.service {
  background-color: #250d00;
}

.service-title {
  color: #fff;
}

.service-wrapper {
  display: flex;
  justify-content: space-between;
}

.service-item {
  width: 30%;
}

.service-item-nav {
  text-align: center;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-icon {
  margin: 10px 0;
  width: 30%;
}

.service-text {
  color: #fff;
  font-size: 14px;
}

/*==============
works
==============*/
.works {
  background-color: #250d00;
}

.works-title {
  color: #fff;
}

.works-wrapper {
  display: flex;
  justify-content: space-around;
}

.works-item {
  width: 30%;
  text-align: center;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}



/*==============
contact
==============*/
input[type="text"] {
  width: 50%;
  font-size: 18px;
  border: 1px solid #250d00;
  border-radius: 4px;
  padding: 10px;
  margin-bottom: 20px;
}

::placeholder {
  color: #cccccc;
}

input[type="email"] {
  width: 50%;
  font-size: 18px;
  border: 1px solid #250d00;
  border-radius: 4px;
  padding: 10px;
  margin-bottom: 20px;
}

textarea {
  width: 100%;
  font-size: 18px;
  border: 1px solid #250d00;
  border-radius: 4px;
  padding: 10px;
  margin-bottom: 20px;
}

.btn {
  padding: 15px 45px;
  font-size: 18px;
  font-weight: bold;
  border: none;
  color: #fff;
  border-radius: 4px;
}

.btn:hover {
  opacity: 0.7;
  cursor: pointer;
}

.btn-register {
  background-color: #250d00;
  display: block;
}

/*==============
footer
==============*/
footer {
  background-color: #250d00;
  color: #fff;
  padding: 20px 0;

}

.copyright {
  font-size: 12px;
  float: right;
}


/*==============
スマホ用表示
==============*/

@media only screen and (max-width:780px)  {
  
  .clear::after {
    content: none;
  }

  /*==============
  header
  ==============*/
  .header-left {
    float: none;
  }

  .header-title {
    text-align: center;
  }

  .header-right {
    float: none;
  }

  .header-nav {
    display: flex;
    justify-content: space-between;
  }

  .header-nav-list {
    float: none;
    margin: 0;
  }

  /*==================
  top
  ==================*/
  .top {
    padding: 80px 0;
  }

  .top-title {
    font-size: 24px;
  }

  .top-subtitle {
    font-size: 12px;
  }

  /*==============
  .section共通
  ==============*/
  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 18px;
    font-weight: bold;
  }

  .section-subtitle {
    font-size: 12px;
  }

  .section p {
    font-size: 12px;
  }

  /*==============
  about
  ==============*/
  .about-left {
    float: none;
    width: 100%;
  }

  .about-right {
    float: none;
    width: 100%;
  }

  .about-name {
    font-size: 20px;
    font-weight: bold;
  }

  /*==============
  service
  ==============*/
  .service-wrapper {
    flex-wrap: wrap;
  }

  .service-item {
    width: 100%;
  }

  .service-item-nav {
    text-align: center;
    color: #fff;
    margin-bottom: 10px;
  }

  .service-icon {
    margin: 10px 0;
    width: 30%;
  }

  .service-text {
    font-size: 12px;
    text-align: center;
    margin-bottom: 20px;
  }

  /*==============
  works
  ==============*/
  .works-wrapper {
    flex-wrap: wrap;
  }

  .works-item {
    width: 100%;
    margin-bottom: 20px;
  }



  /*==============
  contact
  ==============*/
  input[type="text"] {
    width: 100%;
    font-size: 14px;
  }

  ::placeholder {
    color: #cccccc;
  }

  input[type="email"] {
    width: 100%;
    font-size: 14px;
  }

  textarea {
    font-size: 14px;
  }

  .btn {
    margin: auto;
  }

  /*==============
  footer
  ==============*/
  .copyright {
    font-size: 10px;
    float: none;
    text-align: center;
  }
  
}