#header_area{
    display: block;
    background-image: url(../img/main_v_800.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    height: 80vh;
}

.catchphrase{
    color: var(--mywhite);
    width: 84%;
    margin: 20% auto 0;
    line-height: 1.3;
}
.catchphrase h2{
    font-size: 1.25rem;
    letter-spacing: 4px;
}
.catchphrase p{
    font-size: 0.75rem;
}
/*****/
.header_link{
    display: flex;
    justify-content: flex-end;
    font-size: 0.75rem;
}
.header_link a{
    background: var(--mybrown);
    width: 50%;
    padding: 0.75rem;
    color: var(--mywhite);
    margin-top: 60px;
}

/***** scroll-guide
******************************/
.scroll {
    position: relative;
    width: 24px;
    height: 24px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .chevron {
    position: absolute;
    width: 28px;
    height: 8px;
    opacity: 0;
    transform: scale3d(0.5, 0.5, 0.5);
    animation: move 3s ease-out infinite;
  }
  
  .chevron:first-child {
    animation: move 3s ease-out 1s infinite;
  }
  
  .chevron:nth-child(2) {
    animation: move 3s ease-out 2s infinite;
  }
  
  .chevron:before,
  .chevron:after {
    content: ' ';
    position: absolute;
    top: 0;
    height: 100%;
    width: 51%;
    background: #fff;
  }
  
  .chevron:before {
    left: 0;
    transform: skew(0deg, 30deg);
  }
  
  .chevron:after {
    right: 0;
    width: 50%;
    transform: skew(0deg, -30deg);
  }
  
  @keyframes move {
    25% {
      opacity: 1;
  
    }
    33% {
      opacity: 1;
      transform: translateY(30px);
    }
    67% {
      opacity: 1;
      transform: translateY(40px);
    }
    100% {
      opacity: 0;
      transform: translateY(55px) scale3d(0.5, 0.5, 0.5);
    }
  }
  
  .scroll_txt {
    display: block;
    margin-top: 65px;
    margin-left: -30px;
    font-family: "Helvetica Neue", "Helvetica", Arial, sans-serif;
    font-size: 12px;
    color: #fff;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: .25;
    animation: pulse 2s linear alternate infinite;
  }
  
  @keyframes pulse {
    to {
      opacity: 1;
    }
  }
  /*****/
  .concept_area{
      margin-top: 40px;
  }
  .content_title{
      position: relative;
  }
  .content_title_h2{
      position: absolute;
      top: -30px;
      font-size: 48px;
      letter-spacing: 2px;
      color: var(--mywhite);
      font-family: "Noto Sans", sans-serif;
      font-weight: 900;
      font-style: normal;
  }
  .content_title::before{
      position: absolute;
      top: -60px;
      width: 140px;
      height: 1px;
      background: var(--mywhite);
      z-index: 1;
      content: "";
  }
  .content_title_h2 span{
      font-size: 0.75rem;
      margin-left: 0.75rem;
  }
  .concept_inner{
      display: flex;
      width: 84%;
      background: #414a52;
  }
  .concept_inner img{
      width: 100px;
      height: auto;
      margin: 2rem 0 0 2rem;
  }
  .concept_inner div{
      margin: 48px 0 0 1rem;
      color: var(--mywhite);
  }
  .concept_inner div p{
    font-size: 0.75rem;
    line-height: 1.4;
    letter-spacing: 2px;
  }

/********** #service_area **/
#service_area{
    position: relative;
    margin-top: 130px;
}
.service_title{
    color: var(--mywhite);
}
.service_title h2{
    text-align: center;
    font-size: 48px;
    font-family: "Noto Sans", sans-serif;
    font-weight: 900;
    font-style: normal;
}
.service_title::before{
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 1px;
    background: var(--mywhite);
    z-index: 1;
    content: "";
}

/**/
.service_inner{
    display: flex;
    flex-direction: column;
    margin-top: 40px;
}
.service_item{
    margin: 1rem;
    margin: 0 auto;
}
.service_item img{
    transition: 0.3s;
}
.service_caption{
    color: var(--mywhite);
    margin-top: 1.0rem;
    margin-bottom: 3rem;
    line-height: 1.4;
}
.service_item:hover img{
    transform: scale(1.1,1.1);
}
/********** #formlink_area **/
#formlink_area{
    margin-top: 80px;
}

.formlink_title{
    position: relative;
    color: var(--mywhite);
    margin: 50px 0;
}
.formlink_title h2{
    text-align: center;
    font-size: 48px;
    font-family: "Noto Sans", sans-serif;
    font-weight: 900;
    font-style: normal;
}
.formlink_title::before{
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 1px;
    background: var(--mywhite);
    z-index: 1;
    content: "";
}

/*****/
.form_link{
    width: 280px;
    color: var(--mywhite);
    margin: 0 auto;
}
.form_link p{
    text-align: center;
    line-height: 1.4;
    margin: 2rem 0;
}
.form_link a{
    display: block;
    width: 180px;
    background: var(--mybrown);
    color: var(--mywhite);
    padding: 1rem;
    text-align: center;
    margin: 0 auto;
    transition: 0.3s;
}
.form_link span{
    padding-left: 2rem;
}
.form_link a:active{
    background: var(--mybeige);
}


/******************************/
/************************ PC **/
/******************************/
@media (min-width:800px){
#header_area{
    background-image: url(../img/main_v_1800.png);
    background-repeat: no-repeat;
    background-size: cover;
    height: 100vh;
}

.catchphrase{
    color: var(--mywhite);
    width: 84%;
    margin: 20% auto 0;
    line-height: 1.3;
}

.catchphrase h2{
    font-size: 40px;
    letter-spacing: 4px;
}
.catchphrase p{
    font-size: 1rem;
}

.header_link{
    display: flex;
    justify-content: flex-end;
    font-size: 1rem;
}

.header_link a{
    background: var(--mybrown);
    width: 50%;
    padding: 1rem;
    color: var(--mywhite);
    margin-top: 60px;
}

/***** scroll-guide
******************************/
.scroll {
    position: relative;
    width: 24px;
    height: 24px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .chevron {
    position: absolute;
    width: 28px;
    height: 8px;
    opacity: 0;
    transform: scale3d(0.5, 0.5, 0.5);
    animation: move 3s ease-out infinite;
  }
  
  .chevron:first-child {
    animation: move 3s ease-out 1s infinite;
  }
  
  .chevron:nth-child(2) {
    animation: move 3s ease-out 2s infinite;
  }
  
  .chevron:before,
  .chevron:after {
    content: ' ';
    position: absolute;
    top: 0;
    height: 100%;
    width: 51%;
    background: #fff;
  }
  
  .chevron:before {
    left: 0;
    transform: skew(0deg, 30deg);
  }
  
  .chevron:after {
    right: 0;
    width: 50%;
    transform: skew(0deg, -30deg);
  }
  
  @keyframes move {
    25% {
      opacity: 1;
  
    }
    33% {
      opacity: 1;
      transform: translateY(30px);
    }
    67% {
      opacity: 1;
      transform: translateY(40px);
    }
    100% {
      opacity: 0;
      transform: translateY(55px) scale3d(0.5, 0.5, 0.5);
    }
  }
  
  .scroll_txt {
    display: block;
    margin-top: 65px;
    margin-left: -30px;
    font-family: "Helvetica Neue", "Helvetica", Arial, sans-serif;
    font-size: 12px;
    color: #fff;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: .25;
    animation: pulse 2s linear alternate infinite;
  }
  
  @keyframes pulse {
    to {
      opacity: 1;
    }
  }

/**/
.concept_area{
    margin-top: 96px;
}
.content_title{
    position: relative;
}
.content_title_h2{
    position: absolute;
    top: -30px;
    font-size: 64px;
    letter-spacing: 2px;
    color: var(--mywhite);
    font-family: "Noto Sans", sans-serif;
    font-weight: 900;
    font-style: normal;
}
.content_title::before{
    position: absolute;
    top: -60px;
    width: 140px;
    height: 1px;
    background: var(--mywhite);
    z-index: 1;
    content: "";
}
.content_title_h2 span{
    font-size: 1rem;
    margin-left: 1rem;
}
.concept_inner{
    display: flex;
    width: 84%;
    background: #414a52;
}
.concept_inner img{
    width: 400px;
    height: auto;
    margin: 96px 0 0 96px;
}
.concept_inner div{
    margin: 96px 0 0 32px;
    color: var(--mywhite);
}
.concept_inner div p{
    font-size: 1rem;
    line-height: 1.4;
    letter-spacing: 2px;
}



/********** #service_area **/
#service_area{
    position: relative;
    margin-top: 240px;
}

.service_title{
    color: var(--mywhite);
}
.service_title h2{
    text-align: center;
    font-size: 64px;
    font-family: "Noto Sans", sans-serif;
    font-weight: 900;
    font-style: normal;
}
.service_title::before{
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 1px;
    background: var(--mywhite);
    z-index: 1;
    content: "";
}

/**/
.service_inner{
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin-top: 180px;
}
.service_item{
    margin: 1rem;
}
.service_item img{
    transition: 0.3s;
}
.service_caption{
    color: var(--mywhite);
    margin-top: 3rem;
    line-height: 1.4;
}
.service_item:hover img{
    transform: scale(1.1,1.1);
}

/********** #formlink_area **/
#formlink_area{
    margin-top: 240px;
}

.formlink_title{
    position: relative;
    color: var(--mywhite);
    margin: 180px 0;
}
.formlink_title h2{
    text-align: center;
    font-size: 64px;
    font-family: "Noto Sans", sans-serif;
    font-weight: 900;
    font-style: normal;
}
.formlink_title::before{
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 1px;
    background: var(--mywhite);
    z-index: 1;
    content: "";
}

/**/
.form_link{
    width: 280px;
    color: var(--mywhite);
    margin: 0 auto;
}
.form_link p{
    text-align: center;
    line-height: 1.4;
    margin: 2rem 0;
}
.form_link a{
    display: block;
    width: 180px;
    background: var(--mybrown);
    color: var(--mywhite);
    padding: 1rem;
    text-align: center;
    margin: 0 auto;
    transition: 0.3s;
}
.form_link span{
    padding-left: 2rem;
}
.form_link a:hover{
    background: var(--mybeige);
}


}