/* header
------------------------------------------------------*/
.header {
  background: rgba(255,255,255,0.3);
}

/* about head
------------------------------------------------------*/
.about-head {
  background: url(../img/aboutme.jpg) no-repeat center bottom/cover;
  height: 330px;
  position: relative;
}
@media (max-width: 767px) {
  .about-head {
    height: 268px;
  }
}

.about-head-text {
  font-size: 4.2rem;
  font-weight: bold;
  position: absolute;
  top: 16%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  margin-top: 80px;
}
@media (max-width: 767px) {
  .about-head-text {
    font-size: 2.8rem;
  }
}

.about-head-subtitle {
  font-size: 2rem;
}

/* about common
------------------------------------------------------*/
.about-title {
  font-size: 2.6rem;
  font-weight: bold;
  text-align: center;
}
@media (max-width: 767px) {
  .about-title {
    font-size: 2rem;
  }
}

/* intro
------------------------------------------------------*/
@media (min-width: 768px) {
  .intro {
    height: 740px;
  }
}
@media (max-width: 767px) {
  .intro {
    padding-bottom: 80px;
  }
}

@media (min-width: 768px) {
  .intro-contents {
    position: relative;
  }
  .intro-contents::after {
    content: "";
    background: #FFF;
    position: absolute;
    top: 70px;
    left: 45%;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    z-index: -1;
  }
}
@media (max-width: 767px) {
  .intro-contents {
    position: relative;
  }
  .intro-contents::after {
    content: "";
    background: #FFF;
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 260px;
    height: 260px;
    border-radius: 50%;
    z-index: -1;
  }
}

@media (min-width: 768px) {
  .intro-contents-img {
    position: absolute;
    top: 48px;
    left: 50%;
    transform: translateX(-50%);
  }
}
@media (max-width: 767px) {
  .intro-contents-img {
    margin-top: 40px;
    text-align: center;
  }
}
.intro-contents-img img {
  width: 48%;
}

@media (min-width: 768px) {
  .intro-text {
    font-size: 1.6rem;
    position: absolute;
    top: 180px;
    left: 50%;
    z-index: 1;
    padding: 10px;
  }
}
@media (max-width: 767px) {
  .intro-text {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

.intro-text-name {
  font-weight: 600;
  font-size: 1.6rem;
}

.intro-text-detail {
  margin-top: 10px;
  line-height: 1.8;
  width: 60%;
}
@media (max-width: 767px) {
  .intro-text-detail {
    font-size: 1.4rem;
    width: 90%;
  }
}

/* concept
------------------------------------------------------*/
.concept {
  background: url(../img/concept.jpg) no-repeat center center/cover;
}
@media (max-width: 767px) {
  .concept {
    background: url(../img/concept_sp.jpg) no-repeat center center/cover;
  }
}

.concept-wrap {
  padding-top: 128px;
  padding-bottom: 128px;
  display: flex;
  flex-direction: column;
}
@media (max-width: 767px) {
  .concept-wrap {
    padding-top: 100px;
    padding-bottom: 100px;
  }
}

.concept-title {
  background: #FFF;
  margin-right: auto;
  padding: 10px;
}

.concept-contents {
  background: #FFF;
  margin-top: 45px;
  font-size: 1.6rem;
  margin-right: auto;
  padding: 10px;
}

.concept-subtitle {
  font-weight: bold;
}

.concept-text {
  margin-top: 10px;
}
@media (max-width: 767px) {
  .concept-text {
    font-size: 1.4rem;
  }
}

/* skill & tool
------------------------------------------------------*/
@media (min-width: 768px) {
  .skill-container {
    display: flex;
    flex-wrap: wrap;
    margin-top: 60px;
    margin-left: -20px;
    margin-right: -20px;
  }
}
@media (max-width: 767px) {
  .skill-container {
    margin-top: 40px;
  }
}

@media (min-width: 768px) {
  .skill-item {
    width: calc(50% - 40px);
    margin: 20px;
    display: flex;
  }
}
@media (max-width: 767px) {
  .skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .skill-item:nth-child(n+2) {
    margin-top: 40px;
  }
}

.skill-item-img {
  width: 80px;
  height: 80px;
  background: #FFF;
  border-radius: 50%;
  position: relative;
}
.skill-item-img img {
  width: 40px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.skill-icon {
  font-size: 40px;
  color: #002849;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media (min-width: 768px) {
  .skill-item-detail {
    flex: 1;
    margin-left: 20px;
  }
}
@media (max-width: 767px) {
  .skill-item-detail {
    padding: 5px;
    width: 65%;
  }
}

.skill-item-detail-title {
  font-weight: 600;
  font-size: 1.8rem;
}
@media (max-width: 767px) {
  .skill-item-detail-title {
    font-size: 1.6rem;
    text-align: center;
  }
}

.skill-item-detail-text {
  font-size: 1.6rem;
  width: 80%;
  margin-top: 8px;
}
@media (max-width: 767px) {
  .skill-item-detail-text {
    font-size: 1.4rem;
    text-align: left;
    width: 100%;
  }
}

/* strength
------------------------------------------------------*/
.strength {
  background: url(../img/strength.jpg) no-repeat center top/cover;
}

@media (min-width: 768px) {
  .strength-container {
    margin-top: 60px;
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
  }
}
@media (max-width: 767px) {
  .strength-container {
    margin-top: 40px;
  }
}

.strength-detail {
  position: relative;
}
@media (min-width: 768px) {
  .strength-detail {
    width: calc(33.3333333333% - 40px);
    margin: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .strength-detail::after {
    content: "";
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: #FFF;
    opacity: 0.8;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
  }
}
@media (max-width: 767px) {
  .strength-detail {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .strength-detail:nth-child(n+2) {
    margin-top: 60px;
  }
  .strength-detail::after {
    content: "";
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #FFF;
    opacity: 0.8;
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
  }
}

@media (min-width: 768px) {
  .strength-detail-down {
    align-self: flex-end;
    margin-top: 110px;
  }
}

.strength-detail-title {
  font-size: 2rem;
  line-height: 1.3;
  z-index: 1;
  text-align: center;
}
@media (min-width: 768px) {
  .strength-detail-title {
    height: 50px;
  }
}
@media (max-width: 767px) {
  .strength-detail-title {
    font-size: 1.6rem;
  }
}

.strength-detail-text {
  margin-top: 18px;
  line-height: 1.8;
  z-index: 1;
  font-size: 1.6rem;
}
@media (max-width: 767px) {
  .strength-detail-text {
    font-size: 1.4rem;
    margin-top: 8px;
  }
}