body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

.br_sp {
  display: none;
}

.wrapper {
  width: 1440px;
  margin: 0 auto;
}

header .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 30px auto 20px;
}

header h1 {
  width: 450px;
}

header .nav-pc ul {
  list-style: none;
  padding: 0;
}

header .nav-pc ul li {
  display: inline-block;
  margin-left: 20px;
  font-size: 20px;
}

header .nav-pc a {
  color: #000000;
  text-decoration: none;
}

.nav-sp {
  display: none;
}

.main-visual {
  width: 100%;
  margin-bottom: 75px;
}

.main-visual img {
  width: 100%;
}

.section {
  margin-bottom: 130px;
}

.section_heading {
  font-size: 48px;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.section_heading::before {
  content: url(../images/common/hana_tubaki.png);
  transform: scale(0.11);
  position: absolute;
  top: -205px;
  left: 285px;
}

.section_heading::after {
  content: url(../images/common/leaf_tsubaki.png);
  transform: scale(0.11);
  position: absolute;
  top: -165px;
  right: 300px;
}

.works {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.work {
  flex-basis: 30%;
  margin-bottom: 30px;
}

.work img {
  margin-bottom: 10px;
}

.category {
  color: #b3c6da;
}

.skills {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.skill_item {
  flex-basis: 48%;
  margin-bottom: 30px;
}

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

.skill_name h3 {
  font-size: 36px;
  text-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
}

.skill_description {
  background-color: #FBF6E9;
  height: 160px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: -50px 0 0 75px;
  padding: 20px;
}

.skill_description p {
  font-size: 20px;
}

.skill_logo {
  height: 100px;
  width: auto;
  margin-right: 30px;
}

.skill_logo.html_logo {
  height: 100px;
}

.about {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.about_photo {
  width: 400px;
  height: 400px;
  border-radius: 50%;
}

.about_text {
  width: 990px;
  background-color: #FBF6E9;
  padding: 20px;
}

.about_text h3 {
  font-size: 40px;
  margin-bottom: 30px;
}

.about_text p {
  font-size: 20px;
}

label {
  display: block;
  font-size: 20px;
  /* margin-bottom: 20px; */
}

label span {
  display: inline-block;
  width: 200px;
  text-align: center;
}

.message {
  vertical-align: top;
}

input,
textarea {
  background-color: #E5F2F5;
  border: none;
  padding: 5px;
  width: 70%;
}

.contact_form {
  width: 70%;
  margin: 0 auto;
}

.contact {
  border: 1px solid #000000;
  padding: 40px;
}

.contact_form label {
  margin-bottom: 20px;
}

.button {
  display: flex;
  justify-content: center;
}

.submit {
  background-color: #aac5f0;
  color: #000000;
  padding: 10px 20px;
  font-size: 20px;
  cursor: pointer;
  display: block;
  width: 200px;
  margin: 0 auto;
  border: 1px solid #000000;
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
}

.back {
  background-color: #D9D9D9;
  color: #000000;
  padding: 10px 20px;
  font-size: 20px;
  cursor: pointer;
  display: block;
  width: 200px;
  border: 1px solid #000000;
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  margin-right: 20px;
}

footer {
  background-color: #8BA8DA;
  color: #ffffff;
  padding: 20px 0;
}

footer .copyright {
  text-align: center;
}

footer .copyright small {
  font-size: 16px;
}

@media screen and (max-width: 760px) {
  .br_sp {
    display: block;
  }

  .wrapper {
    width: 100%;
    padding: 0 10px;
  }

  header {
    margin: 15px 0;
  }

  header .wrapper {
    margin: 0;
  }

  header h1 {
    width: 50%;
  }

  .nav-pc {
    display: none;
  }

  .nav-sp {
    display: block;
    /* align-items: center; */
  }

  nav nav {
    display: inline;
  }

  .menu__box {
    display: flex;
    flex-direction: row;
    list-style-type: none;
  }

  .menu__box {
    flex-direction: column;
    position: fixed;
    visibility: hidden;
    top: 0;
    left: 0;
    width: 100%;
    /* height: 15em; */
    margin: -600px 0 0 0;
    padding: 1.5em 0 0.6em 0;
    text-align: center;
    background-color: #2d303a;
    background-image: url(../images/common/hunberger.png);
    background-repeat: no-repeat;
    background-size: cover;
    box-shadow: 1px 0 6px rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition-duration: 0.5s;
  }

  .menu__box li {
    margin-bottom: 15px;
  }

  .red {
    color: #f06c64;
  }

  .menu__item {
    display: flex;
    flex-direction: column;
    padding: 0 1em 0 1.9em;
    color: #ffffff;
    font-family: sans-serif;
    font-size: 14px;
    font-weight: 400;
    text-decoration: none;
    text-transform: uppercase;
  }

  .menu__item {
    display: block;
    padding: 12px 24px;
    color: #000000;
    font-size: 18px;
    transition-duration: 0.5s;
    background-color: rgba(255, 255, 255, 0.8);
    width: 70%;
    margin: 0 auto;
  }

  /* .menu__item:hover {
    background-color: #4f5464;
  } */

  #menu__toggle {
    opacity: 0;
  }

  #menu__toggle:checked~.menu__btn>span {
    transform: rotate(45deg);
  }

  #menu__toggle:checked~.menu__btn>span::before {
    top: 0;
    transform: rotate(0);
    background: #000000;
  }

  #menu__toggle:checked~.menu__btn>span::after {
    top: 0;
    transform: rotate(90deg);
    background: #000000;
  }

  #menu__toggle:checked~.menu__box {
    visibility: visible;
    left: 0;
    margin: 0;
  }

  .menu__btn {
    transition-duration: 0.25s;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    position: relative;
    bottom: 2px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 2;
    background-color: rgba(255, 255, 255, 0.8);
    margin-top: -20px;
  }

  .menu__btn span {
    display: inline-block;
    position: absolute;
    width: 90%;
    height: 3px;
    background-color: #000000;
    text-align: left;
  }

  .menu__btn span::before {
    display: inline-block;
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: #000000;
    content: "";
    top: -8px;
    transition-duration: 0.25s;
    text-align: left;
  }

  .menu__btn span::after {
    display: inline-block;
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: #000000;
    content: "";
    top: 8px;
    transition-duration: 0.25s;
    text-align: left;
  }

  .section_heading {
    font-size: 28px;
  }


  .section_heading::before {
    transform: scale(0.06);
    top: -218px;
    left: -150px;
  }

  .section_heading::after {
    transform: scale(0.06);
    top: -178px;
    right: -150px;
  }

  .work {
    flex-basis: 100%;
    margin-bottom: 30px;
  }

  .skill_item {
    flex-basis: 100%;
    margin-bottom: 30px;
  }

  .skill_name h3 {
    font-size: 26px;
    text-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
  }

  .skill_description {
    background-color: #FBF6E9;
    height: auto;
    margin: -10px 0 0 45px;
    padding: 20px;
  }

  .skill_description p {
    font-size: 16px;
  }

  .skill_logo {
    height: 60px;
    width: auto;
    margin-right: 30px;
  }

  .skill_logo.html_logo {
    height: 60px;
  }

  .about {
    flex-direction: column;
  }

  .about_image {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
  }

  .about_photo {
    width: 80%;
    height: auto;
    border-radius: 50%;
  }

  .about_text {
    width: 100%;
    background-color: #FBF6E9;
    padding: 20px;
  }

  .about_text h3 {
    font-size: 26px;
    margin-bottom: 30px;
  }

  .about_text p {
    font-size: 16px;
  }

  .name_sp {
    font-size: 24px;
  }

  .contact_form {
    width: 100%;
  }

  label span {
    text-align: left;
  }

  input,
  textarea {
    width: 100%;
  }

  .button {
    flex-direction: column;
  }

  .back {
    margin-bottom: 20px;
  }

  footer .copyright small {
    font-size: 12px;
  }

}