body {
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: weight;
  font-style: normal;
  margin: auto;
  color: #333;
  background-color: gainsboro;
}
p {
  font-size: 16px;
  line-height: 150%;
}
a {
  color: #38b6ff;
  transition: 0.5s;
}
a:hover {
  opacity: 0.5;
}
h1,
h2,
h3 {
  font-weight: bold;
}
.sp {
  display: none;
}
.cmn-title {
  text-align: center;
  font-weight: bold;
}
.sub-title {
  display: block;
  color: #38b6ff;
}
.main-title {
  display: block;
  font-size: 2rem;
}
/* header */
.header {
  display: flex;
  align-items: center;
  top: 0;
  left: 0;
  justify-content: space-between;
  width: 100%;
  height: 80px;
  padding: 0 60px;
  background-color: #fff;
  position: fixed;
  z-index: 1000;
}
.header-logo {
  width: 30%;
}
.humburger-menu {
  font-size: 1.2rem;
  font-weight: bold;
}
.humburger-menu ul {
  display: flex;
  gap: 0 40px;
}
.sp {
  display: none;
}
.pc {
  display: block;
}
/* firstview */
.firstview {
  margin-top: 80px;
  height: 52vw;
  background-image: url(../image/hero.jpg);
  background-size: cover;
  background-position: center;
}
.firstview-message {
  display: flex;
  font-size: 5.5rem;
  justify-content: center;
  align-items: center;
  height: 100%;
  letter-spacing: 0.5rem;
}
.firstview-message span {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
  animation: upFade 0.6s forwards;
}
.blue {
  color: #38b6ff !important;
}
.main {
  background-color: #edebeb;
  max-width: 1140px;
  margin: auto;
}
.firstview-message {
  display: flex;
  justify-content: center;
  font-size: 5.5rem;
}
@keyframes upFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* about */
.about {
  max-width: 940px;
  margin: auto;
  padding: 120px 16px 0;
}
.about-image {
  text-align: center;
}
.about-image img {
  width: 100%;
}
.about-text {
  padding-left: 16px;
}
.about-wapper {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
}
.about-subtitle {
  top: 0;
  font-size: 1.5rem;
  color: #38b6ff;
  margin-bottom: 0.5rem;
}
.about-career {
  margin-top: 20px;
}
/* skill */
.skills {
  max-width: 940px;
  margin: auto;
  padding: 120px 16px;
}
.skill-list {
  margin-top: 60px;
  display: flex;
  justify-content: center;

  gap: 40px 20px;
}
.skill-image {
  height: 180px;
  text-align: center;
}
.skill-name {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
}
.skill-desc {
  margin-top: 1rem;
}
/* work */
.works {
  width: 100%;
  margin: auto;
  padding-top: 120px;
}
.work-list {
  padding: 60px 100px 0;
}
.work-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 60px;
}
.work-item.reverse {
  flex-direction: row-reverse;
}
.work-item:last-child {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0;
}
.work-image img {
  width: 100%;
  max-width: 450px;
  height: auto;
  display: block;
  margin: 0 auto;
}
.work-list .work-item:first-child .work-image img {
  max-width: 800px;
  width: 100%;
  height: auto;
}
.work-text {
  margin-top: 4rem;
  margin: auto;
  padding: 0 16px;
}
.work-desc {
  margin-top: 1rem;
  font-weight: bold;
}
/* contact */
.contact {
  padding: 120px 0;
  text-align: center;
}
.contact-text {
  margin-top: 60px;
}
.contact-mail {
  font-size: 2rem;
  font-weight: bold;
}
.icon-area {
  margin-top: 30px;
}
.fa-brands {
  font-size: 2rem;
  margin: 0 1rem;
}
footer {
  background-color: #ddd;
  height: 60px;
}
.copyright {
  font-size: 13px;
  text-align: center;
  line-height: 60px;
}
/* responsive */
@media screen and (max-width: 750px) {
  html {
    font-size: 16px;
  }
  /* header */
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1024px;
    width: 100%;
    height: 60px;
    padding: 16px;
  }
  .header-nav ul {
    display: flex;
    gap: 30px;
    font-weight: bold;
    font-size: 1.2rem;
  }
  .pc {
    display: none;
  }
  .sp {
    display: block;
  }
  /* ハンバーガーメニュー用スタイル */
  .humburger-btn {
    width: 40px;
    height: 20px;
    position: relative;
    z-index: 1001;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .humburger-btn span {
    position: absolute;
    display: block;
    height: 2px;
    width: 100%;
    background: #38b6ff;
    border-radius: 2px;
    transition: 0.3s;
  }
  .humburger-menu {
    position: fixed;
    top: 0;
    right: -100vw;
    width: 70vw;
    height: 100vh;
    background: #f1f1f1f5;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s;
    padding-top: 80px;
  }
  .humburger-menu ul {
    display: block;
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
  }
  .humburger-menu li {
    margin: 30px 0;
  }
  .humburger-menu a {
    font-size: 2rem;
    color: #38b6ff;
    text-decoration: none;
  }
  .humburger-menu.show {
    display: block;
    right: 0;
  }
  .humburger-btn > span:first-of-type {
    top: 0;
  }
  .humburger-btn > span:nth-of-type(2) {
    top: 50%;
  }
  .humburger-btn > span:last-of-type {
    top: 100%;
  }
  .humburger-btn.active > span:first-of-type,
  .humburger-btn.active > span:last-of-type {
    top: 50%;
  }
  .humburger-btn.active > span:first-of-type {
    transform: translateY(-50%) rotate(45deg);
  }
  .humburger-btn.active > span:nth-of-type(2) {
    opacity: 0;
  }
  .humburger-btn.active > span:last-of-type {
    transform: translateY(-50%) rotate(-45deg);
  }
  /* firstview */
  .firstview {
    margin-top: 60px;
    height: 52vw;
    background-image: url(../image/hero.jpg);
    background-size: cover;
    background-position: center;
  }
  .firstview-message {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    height: 100%;
    letter-spacing: 0.3rem;
  }
  .firstview-message .blue {
    color: #38b6ff !important;
  }
  .main {
    background-color: #f5f5f5;
    max-width: 1140px;
    margin: auto;
  }
  /* about */
  .about-wapper {
    display: block;
  }
  /* about */
  .about {
    width: 100%;
    margin: auto;
    padding: 80px 16px 0;
  }
  .about-image {
    text-align: center;
  }
  .about-image img {
    width: 40%;
    height: 100%;
  }
  .about-text {
    margin-top: 20px;
    padding-left: 0;
  }
  .about-wapper {
    margin: 20px 0 0;
  }
  .about-subtitle {
    text-align: center;
    font-size: 1.5rem;
    color: #38b6ff;
    margin-bottom: 0.5rem;
  }
  .about-career {
    margin-top: 20px;
  }
  /* skills */
  .skills {
    width: 100%;
    margin: auto;
    padding: 80px 16px 0;
  }
  .skill-list {
    max-width: 500px;
    margin: 20px auto 0;
    flex-wrap: wrap;
  }
  .skill-item {
    width: 230px;
  }
  /* work */
  .works {
    width: 100%;
    margin: auto;
    padding: 80px 16px 0;
  }
  .work-list {
    width: 100%;
    margin-top: 20px;
    padding: 0;
  }
  .work-item {
    display: block;
    margin-bottom: 2rem;
  }
  .work-item:last-child {
    display: block;
    margin-bottom: 0;
  }
  .work-image img {
    width: 100vw;
    max-width: 100%;
    height: auto;
    display: block;
  }
  .work-text {
    margin-top: 0;
    margin-bottom: 2rem;
    padding: 0;
  }
  .work-text:last-child {
    margin-top: 0;
    margin-bottom: 0;
  }
  /* contact */
  .contact {
    padding: 80px 16px;
    text-align: center;
  }
  .contact-text {
    margin-top: 20px;
  }
  .contact-mail {
    font-size: 1rem;
    font-weight: bold;
  }
  .icon-area {
    margin-top: 20px;
  }
  .fa-brands {
    font-size: 2rem;
    margin: 0 1rem;
  }
  footer {
    background-color: #ddd;
    height: 60px;
  }
  .copyright {
    font-size: 13px;
    text-align: center;
    line-height: 60px;
  }
}