.only-pc {
    display: block;
}

.only-sp {
    display: none;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 100%;
    font-family: 'Noto Sans JP', sans-serif;
    color: #262626;
}

header.only-sp {
    position: fixed;
    z-index: 999;
    height: 68px;
    top: 30px;
    width: 100vw;
    align-items: center;
    justify-content: flex-end;
}

header.only-sp > div {
    -webkit-backdrop-filter: blur(4px);
	backdrop-filter: blur(4px);
    border-radius: 20px 0 0 20px;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

header.only-sp > div > i {
    padding: 20px 40px;
    font-size: 120%;
    cursor: pointer;
}

.modal {
    position: fixed;
    height: 120%;
    width: 100%;
    right: -100%;
    top: -10%;
    background: #ffffff;
    transition: .7s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 998;
}

.modal-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.modal-nav-ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.modal-nav-ul > li {
    padding: 30px;
    text-align: center;
}

.modal-nav-ul > li > a {
    text-decoration: none;
    color: #262626;
    font-size: 120%;
}

.in{
    transform: translateX(-100%);
}

.display-none {
    display: none;
}

header.only-pc {
    top: 0;
    width: 100%;
    height: 68px;
    position: fixed;
    z-index: 999;
    -webkit-backdrop-filter: blur(4px);
	backdrop-filter: blur(4px);
    box-shadow: rgba(38, 38, 38, 0.2) 0px 3px 8px;
}

.dynamic-link {
    background: linear-gradient(#01C482 0 0) 0 100% /var(--d, 0) 1.8px no-repeat;
    transition:0.3s;
}

.dynamic-link:hover {
    --d: 100%;
}

header.only-pc > nav {
    height: 100%;
}

.header-nav-ul {
    height: 100%;
    margin: 0;
    padding: 0 20px;
    display: flex;
    justify-content: flex-end;
    list-style: none;
}

.header-nav-ul > li {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
}

.header-nav-ul > li > a {
    text-decoration: none;
    color: #262626;
}

.top-image {
    width: 100%;
    height: 90vh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    background: linear-gradient(180deg, #01C482,#009448);
    overflow: hidden;
}

.top-image > img {
    height: calc(100% - 68px);
}

main {
    width: 100%;
    max-width: 1200px;
}

section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sub-section {
    margin: 68px 0 0 0;
}

h1 {
    border-bottom: 2px solid #01C482;
}

article {
    width: 80%;
    margin: 20px 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fadeinY-article {
    opacity: 0;
    transition-duration: 1s;
    transition-property: opacity, transform;
    transform: translate(0, 50px);
}

.fadeinX-article {
    opacity: 0;
    transition-duration: 1s;
    transition-property: opacity, transform;
    transform: translate(50px, 0);
}

.is-scrollIn {
    opacity: 1;
    transform: translate(0, 0);
}

.work-article {
    border-radius: 5px;
    box-shadow: rgba(38, 38, 38, 0.2) 0px 8px 24px;
}

.work-article > h3 {
    margin-bottom: 30px;
}

article > p {
    text-align: center;
}

.icons {
    width: 100%;
    margin: 60px 20px 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.icons > small {
    width: 100%;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icons > small:before, .icons > small:after {
    border-top: 1px solid #262626;
    content: "";
    width: 100%;
}
.icons > small:before {
    margin-right: 1em;
  }
.icons > small:after {
    margin-left: 1em;
}
  

.icons > div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icons > div > a {
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #262626;
    text-decoration: none;
    font-size: 200%;
}

.disabled-icon-link > i {
    color: rgb(38, 38, 38, 0.1);
}

footer {
    width: 100%;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #262626;
}

footer > nav {
    width: 100%;
}

.footer-nav-ul {
    width: 100%;
    margin: 0;
    padding: 10px 0;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-nav-ul > li {
    padding: 0 20px;
}

.footer-nav-ul > li > a {
    font-size: 80%;
    text-decoration: none;
    color: white;
}

footer > span {
    width: 95%;
    margin: 30px 0 0 0;
    text-align: end;
    font-size: 60%;
    color: white;
}

footer > span > a {
    color: white;
}

.updown {
    margin: 40px 0 0;
    animation-name:updown1;
    animation-delay:0s;
    animation-duration: 3s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite; 
}
 
@keyframes updown1 {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0);
  }
}

@media screen and (max-width: 960px) {

    body {
        font-size: 95%;
    }

    .only-pc {
        display: none;
    }

    .only-sp {
        display: flex;
    }

    .top-image {
        background-size: cover;
    }
}

@media screen and (max-width: 520px) {

    body {
        font-size: 90%;
    }

    .only-pc {
        display: none;
    }

    .only-sp {
        display: flex;
    }

    
    .top-image {
        background-size: cover;
    }
}