.menu-item,
.menu-open-button {
    background: #EEEEEE;
    border-radius: 100%;
    width: 80px;
    height: 80px;
    margin-left: -40px;
    position: absolute;
    color: #FFFFFF;
    text-align: center;
    line-height: 80px;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    -webkit-transition: -webkit-transform ease-out 200ms;
    transition: -webkit-transform ease-out 200ms;
    transition: transform ease-out 200ms;
    transition: transform ease-out 200ms, -webkit-transform ease-out 200ms;
    opacity: 0.9;
}

.menu-open {
    display: none;
}

.lines {
    width: 25px;
    height: 3px;
    background: #596778;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -12.5px;
    margin-top: -1.5px;
    -webkit-transition: -webkit-transform 200ms;
    transition: -webkit-transform 200ms;
    transition: transform 200ms;
    transition: transform 200ms, -webkit-transform 200ms;
}

.line-1 {
    -webkit-transform: translate3d(0, -8px, 0);
    transform: translate3d(0, -8px, 0);
}

.line-2 {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.line-3 {
    -webkit-transform: translate3d(0, 8px, 0);
    transform: translate3d(0, 8px, 0);
}

.menu-open:checked+.menu-open-button .line-1 {
    -webkit-transform: translate3d(0, 0, 0) rotate(45deg);
    transform: translate3d(0, 0, 0) rotate(45deg);
}

.menu-open:checked+.menu-open-button .line-2 {
    -webkit-transform: translate3d(0, 0, 0) scale(0.1, 1);
    transform: translate3d(0, 0, 0) scale(0.1, 1);
}

.menu-open:checked+.menu-open-button .line-3 {
    -webkit-transform: translate3d(0, 0, 0) rotate(-45deg);
    transform: translate3d(0, 0, 0) rotate(-45deg);
}

.popupmenu {
    position: sticky;
    bottom: 20px;
    /* bottom: calc((var(--vh, 1vh) *100) * 0.1); */
    /* bottom: 20%; */
    right: 40%;
    height: 80px;
    text-align: center;
    box-sizing: border-box;
    font-size: 26px;
    z-index: 5;
    /*子は親のz-indexを越えられないので設定。カードに重なってクリックできない問題*/
}


/* .menu-item {
    transition: all 0.1s ease 0s;
 } */

.menu-item:hover {
    background: #EEEEEE;
    color: #3290B1;
}

.menu-item:nth-child(3) {
    -webkit-transition-duration: 180ms;
    transition-duration: 180ms;
}

.menu-item:nth-child(4) {
    -webkit-transition-duration: 180ms;
    transition-duration: 180ms;
}

.menu-item:nth-child(5) {
    -webkit-transition-duration: 180ms;
    transition-duration: 180ms;
}

.menu-item:nth-child(6) {
    -webkit-transition-duration: 180ms;
    transition-duration: 180ms;
}

.menu-item:nth-child(7) {
    -webkit-transition-duration: 180ms;
    transition-duration: 180ms;
}

.menu-item:nth-child(8) {
    -webkit-transition-duration: 180ms;
    transition-duration: 180ms;
}

.menu-item:nth-child(9) {
    -webkit-transition-duration: 180ms;
    transition-duration: 180ms;
}

.menu-open-button {
    z-index: 2;
    -webkit-transition-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transition-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    -webkit-transition-duration: 400ms;
    transition-duration: 400ms;
    -webkit-transform: scale(1.1, 1.1) translate3d(0, 0, 0);
    transform: scale(1.1, 1.1) translate3d(0, 0, 0);
    cursor: pointer;
    box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
}

.menu-open-button:hover {
    -webkit-transform: scale(1.2, 1.2) translate3d(0, 0, 0);
    transform: scale(1.2, 1.2) translate3d(0, 0, 0);
}

.menu-open:checked+.menu-open-button {
    -webkit-transition-timing-function: linear;
    transition-timing-function: linear;
    -webkit-transition-duration: 200ms;
    transition-duration: 200ms;
    -webkit-transform: scale(0.8, 0.8) translate3d(0, 0, 0);
    transform: scale(0.8, 0.8) translate3d(0, 0, 0);
}

.menu-open:checked~.menu-item {
    -webkit-transition-timing-function: cubic-bezier(0.935, 0, 0.34, 1.33);
    transition-timing-function: cubic-bezier(0.935, 0, 0.34, 1.33);
}

.menu-open:checked~.menu-item:nth-child(3) {
    transition-duration: 180ms;
    -webkit-transition-duration: 180ms;
    -webkit-transform: translate3d(0px, -104.99997px, 0);
    transform: translate3d(0.08361px, -104.99997px, 0);
}

.menu-open:checked~.menu-item:nth-child(4) {
    transition-duration: 280ms;
    -webkit-transition-duration: 280ms;
    -webkit-transform: translate3d(90.9466px, -52.47586px, 0);
    transform: translate3d(90.9466px, -52.47586px, 0);
}

.menu-open:checked~.menu-item:nth-child(5) {
    transition-duration: 380ms;
    -webkit-transition-duration: 380ms;
    -webkit-transform: translate3d(90.9466px, 52.47586px, 0);
    transform: translate3d(90.9466px, 52.47586px, 0);
    display: none;
}

.menu-open:checked~.menu-item:nth-child(6) {
    transition-duration: 480ms;
    -webkit-transition-duration: 480ms;
    -webkit-transform: translate3d(0.08361px, 104.99997px, 0);
    transform: translate3d(0.08361px, 104.99997px, 0);
    display: none;
}

.menu-open:checked~.menu-item:nth-child(7) {
    transition-duration: 580ms;
    -webkit-transition-duration: 580ms;
    -webkit-transform: translate3d(-90.86291px, 52.62064px, 0);
    transform: translate3d(-90.86291px, 52.62064px, 0);
    display: none;
}

.menu-open:checked~.menu-item:nth-child(8) {
    transition-duration: 680ms;
    -webkit-transition-duration: 680ms;
    -webkit-transform: translate3d(-91.03006px, -52.33095px, 0);
    transform: translate3d(-91.03006px, -52.33095px, 0);
}

.menu-open:checked~.menu-item:nth-child(9) {
    transition-duration: 780ms;
    -webkit-transition-duration: 780ms;
    -webkit-transform: translate3d(-0.25084px, -104.9997px, 0);
    transform: translate3d(-0.25084px, -104.9997px, 0);
}

.blue {
    background-color: #669AE1;
    box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.blue:hover {
    color: #669AE1;
    text-shadow: none;
}

.green {
    background-color: #70CC72;
    box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.green:hover {
    color: #70CC72;
    text-shadow: none;
}

.red {
    background-color: #FE4365;
    box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.red:hover {
    color: #FE4365;
    text-shadow: none;
}

.purple {
    background-color: #C49CDE;
    box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.purple:hover {
    color: #C49CDE;
    text-shadow: none;
}

.orange {
    background-color: #FC913A;
    box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.orange:hover {
    color: #FC913A;
    text-shadow: none;
}

.lightblue {
    background-color: #62C2E4;
    box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.lightblue:hover {
    color: #62C2E4;
    text-shadow: none;
}

.credit {
    margin: 24px 20px 120px 0;
    text-align: right;
    color: #EEEEEE;
}

.credit a {
    padding: 8px 0;
    color: #C49CDE;
    text-decoration: none;
    transition: all 0.3s ease 0s;
}

.credit a:hover {
    text-decoration: underline;
}