.layout-navigation {
    display: block;
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: auto;
    z-index: 4;
    opacity: 0;
}

.layout-navigation.on {
    animation-name: nav_on;
    animation-delay: 0.5s;
    animation-duration: 0.5s;
    animation-timing-function: ease;
    animation-fill-mode: forwards;
}

@keyframes nav_on {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.layout-navigation .layout-nav-button {
    display: block;
    position: absolute;
    top: 50px;
    right: 50px;
    width: 130px;
    height: 50px;
    z-index: 2;
    background-image: url(./../images/bouton_navigation.jpg);
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100%;
    cursor: pointer;
}

.layout-navigation .layout-nav-button.on {
    background-image: url(./../images/bouton_navigation_close.jpg);
}

.layout-navigation .layout-nav-button.off {
    background-image: url(./../images/bouton_navigation.jpg);
}

.layout-navigation #nav-check {
    width: 0px;
    height: 0px;
    overflow: hidden;
    opacity: 0;
}

.layout-navigation>div {
    display: none;
    opacity: 0;
    position: absolute;
    width: 100%;    
    background-color: rgb(255, 255, 255, 0.85);
    display: none;
    opacity: 0;    
}

.layout-navigation>div.on {
    animation-name: panel_on;
    animation-delay: 0s;
    animation-duration: 1s;
    animation-timing-function: ease;
    animation-fill-mode: forwards;
    min-height: 100vh;
}

@keyframes panel_on {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.layout-navigation>div.off {
    animation-name: panel_off;
    animation-delay: 0s;
    animation-duration: 1s;
    animation-timing-function: ease;
    animation-fill-mode: forwards;
}

@keyframes panel_off {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.layout-navigation .layout-title {
    position: absolute;
    width: 450px;
    left: calc(50% - 215px);
    top: 130px;
    height: 200px;
    opacity: 0.8;
}

.layout-navigation .layout-title img {
    max-width: 100%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.layout-navigation .layout-title img:nth-child(1) {
    width: 100%;
}

.layout-navigation .layout-title img:nth-child(2) {
    width: 70%;
    margin-top: 20px;
}

.layout-navigation nav {
    margin-top: 270px;
}

.layout-navigation nav ul {
    display: block;
    width: 100%;
    max-width: 400px;
    overflow: hidden;
    margin-left: auto;
    margin-right: auto;
}

.layout-navigation nav li {
    display: block;
    width: 100%;
    text-align: center;
    height: 30px;
    line-height: 30px;
    overflow: hidden;
    margin-bottom: 15px;
}

.layout-navigation>div.on nav li {
    opacity: 0;
    transform: translateY(-300%);
    animation-name: show_li;
    animation-delay: 0.4s;
    animation-duration: 0.8s;
    animation-timing-function: ease;
    animation-fill-mode: forwards;
}

@keyframes show_li {
    from {
        opacity: 0;
        transform: translateY(-300%);
    }
    to {
        opacity: 1;
        transform: translateY(0%);
    }
}

.layout-navigation>div.off nav li {
    transform: translateY(-300%);
    animation-name: hide_li;
    animation-delay: 0s;
    animation-duration: 0.8s;
    animation-timing-function: ease;
    animation-fill-mode: forwards;
}

@keyframes hide_li {
    from {
        opacity: 1;
        transform: translateY(0%);
    }
    to {
        opacity: 0;
        transform: translateY(-300%);
    }
}

.layout-navigation nav li a {
    display: block;
    height: 30px;
    line-height: 30px;
    font-family: 'cocomat';
    font-size: 20px;
    text-transform: uppercase;
    color: rgba(0, 0, 0, 0.5);
    letter-spacing: 0.05em;
    text-decoration: none;
    cursor: pointer;
}

.layout-navigation nav li a::after {
    display: block;
    content: attr(title);
    font-family: 'cocomat';
    font-size: 20px;
    text-transform: uppercase;
    color: rgba(0, 0, 0, 0.9);
    letter-spacing: 0.05em;
}

.layout-navigation nav li.on a {
    animation-name: show_after;
    animation-delay: 0s;
    animation-duration: 0.2s;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
    animation-direction: alternate;
}

@keyframes show_after {
    from {
        transform: translateY(0px);
    }
    to {
        transform: translateY(-30px);
    }
}

.layout-navigation nav li.off a {
    animation-name: hide_after;
    animation-delay: 0s;
    animation-duration: 0.2s;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
    animation-direction: alternate;
}

@keyframes hide_after {
    from {
        transform: translateY(-30px);
    }
    to {
        transform: translateY(0px);
    }
}

@media screen and (max-width:700px) {
    .layout-navigation .layout-nav-button {
        top: 10px;
        right: 10px;
    }
}

@media screen and (orientation:portrait) and (max-width:500px) {

    .layout-navigation nav {
        /*margin-top: 180px !important;*/
    }
    .layout-navigation .layout-nav-button {
        top: 10px;
        right: 10px;
    }
    .layout-navigation .layout-title {
        top: 100px !important;
        display: none;
    }
    .layout-navigation .layout-title img:nth-child(1) {
        width: 60%;
    }
    .layout-navigation .layout-title img:nth-child(2) {
        width: 50%;
        margin-top: 10px;
    }
    .layout-navigation nav {
        margin-top: 100px !important;
    }
    .layout-navigation nav li {
        margin-bottom: 10px !important;
    }
}

@media screen and (max-height:820px) and (orientation:landscape) {
    .layout-navigation nav {
        margin-top: 220px !important;
    }
}

@media screen and (max-height:715px) and (orientation:landscape) {
    .layout-navigation nav {
        /*margin-top: 220px !important;*/
        margin-top: 100px !important;
    }
    
    .layout-navigation .layout-title {
        top: 110px;
        display: none;
    }

    @media screen and (max-height:630px) and (orientation:landscape) {
        .layout-navigation .layout-title {
            top: 70px;
        }
        .layout-navigation nav {
           /* margin-top: 170px;*/
           margin-top: 100px;
        }
    }
}