@charset "UTF-8";

/* 全体 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    color: #555555;
    font-size: 14px;
    line-height: 1.8;
    font-family: 'Dosis', sans-serif, 'Open Sans', sans-serif, 'Hiragino Kaku Gothic ProN', 'Meiryo';
    background-color: #fff;
    letter-spacing: 0.1em;

}

.container {
    max-width: 100%;
    padding-right: 20px;
    padding-left: 20px;
}

/*　PC向けレイアウト */

header {
    margin: 0 auto;
    max-width: 700px;
    text-align: center;
    padding: 40px 0 20px 0;
}

header h1 {
    font-size: 14px;
}

#name {
    margin: auto;
    max-width: 680px;
    text-align: right;
    padding: 0 20px 0 0;
}

#name a {
    text-decoration: none;
    font-size: 38px;
    color: #555555;
    letter-spacing: 0.2em;
    transition: letter-spacing 0.3s ease;
}

#name:hover a {
    letter-spacing: 0.17em;
}

.name-row {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    flex-direction: row;
}

.name-row #name {
    margin: 0 0 0 auto;
}

.social-links {
    display: flex;
    gap: 20px;
    padding-left: 20px;
    justify-content: flex-start;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    text-decoration: none;
    font-size: 20px;
    color: #555;
    transition: opacity .2s;
}

.social-links a:hover {
    opacity: .6;
}

.social-links a {
    color: #555;
}

.social-links svg {
    display: block;
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-links svg path {
    fill: currentColor;
}

#nav-toggle {
    display: none;
}

#menu ul {
    display: flex;
    justify-content: flex-end;
    margin: 0 auto;
    max-width: 670px;
    padding-top: 20px;
    list-style: none;
}

#menu li {
    padding-right: 20px;
    padding-bottom: 59px;
}

#menu li a {
    text-decoration: none;
    color: #555555;
    cursor: pointer;
    transition: all 0.2s;
}

#menu li a:hover {
    opacity: 0.5;
}

#about h1,
#lesson h1,
#contact h1,
#video h1,
#repertoire h1,
#send h1,
#gallery h1 {
    text-align: center;
    font-size: 20px;
    background: rgba(255, 255, 255, 0.8);
    opacity: 0.8;
    padding: 0 0 20px;
    margin: 0;
    z-index: 30;
}

footer {
    margin: auto;
    padding: 20px 0 40px 0;
    text-align: center;
    font-size: 12px;
}

.sticky {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
}


/***** loading ******/
/* Loading overlay */
.loader-wrap {
    position: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #fff;
    /* Place the loader above other content */
    z-index: 999;
}

.loading {
    width: 50px;
    height: 50px;
    border: 5px solid #555555;
    border-right: 5px solid transparent;
    border-radius: 30px;
    animation: loading 1s linear infinite;
}

@keyframes loading {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* タブレット向きレイアウト */
@media (max-width: 768px) {
    header {
        padding-top: 45px;
        padding-bottom: 0;
    }

    #name a {
        line-height: 1.4;
        display: inline-block;
    }

    .name-row {
        flex-direction: column-reverse;
        align-items: center;
        justify-content: center;
        gap: 4px;
    }

    .name-row #name {
        margin: 0 auto;
        text-align: center;
        padding: 0;
    }

    .social-links {
        padding-left: 0;
        margin-bottom: 4px;
    }

    nav {
        display: none;
        position: fixed;
        top: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.8);
        left: 0;
        z-index: 100;
    }

    #menu nav ul {
        display: block;
        width: 90%;
        height: 350px;
        position: fixed;
        top: 0px;
        right: 0px;
        bottom: 0px;
        left: 0px;
        margin: auto;
        z-index: 100;
    }

    #menu nav ul li {
        margin: 0 auto;
        text-align: center;
    }

    #menu nav ul li:last-child {
        border: none;
    }

    #menu nav ul li a {
        display: block;
        color: #555555;
        font-size: 22px;
        transition: all 0.3s;
    }

    #menu nav ul a:hover {
        letter-spacing: 0.2em;
    }

    /*開閉ボタン*/
    #nav_toggle {
        display: block;
        width: 37px;
        height: 40px;
        position: fixed;
        top: 15px;
        right: 20px;
        z-index: 120;
    }


    #nav_toggle div {
        position: relative;
    }

    #nav_toggle span {
        display: block;
        height: 2px;
        background: #555555;
        position: absolute;
        width: 80%;

        -webkit-transition: 0.4s ease-in-out;
        -moz-transition: 0.4s ease-in-out;
        transition: 0.4s ease-in-out;
    }

    #nav_toggle span:nth-child(1) {
        top: 0;
        right: 0;
    }

    #nav_toggle span:nth-child(2) {
        top: 10px;
        right: 0;
    }

    #nav_toggle span:nth-child(3) {
        top: 20px;
        right: 0;
    }

    #nav_toggle:hover span:nth-child(1) {
        top: 2px;
        right: 0;
    }

    #nav_toggle:hover span:nth-child(2) {
        top: 10px;
        right: 0;
    }

    #nav_toggle:hover span:nth-child(3) {
        top: 18px;
        right: 0;
    }

    /*開閉ボタンopen時*/
    .open #nav_toggle span:nth-child(1) {
        top: 12px;
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        transform: rotate(45deg);
    }

    .open #nav_toggle span:nth-child(2) {
        width: 0;
        left: 50%;
    }

    .open #nav_toggle span:nth-child(3) {
        top: 12px;
        -webkit-transform: rotate(-45deg);
        -moz-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }
}

/* Support the hyphenated id #nav-toggle in addition to the underscore variant.  This
 * duplicates the original hamburger icon styling so that either id will
 * produce the same appearance. */
#nav-toggle {
    display: block;
    width: 37px;
    height: 40px;
    position: fixed;
    top: 15px;
    right: 20px;
    z-index: 120;
}

#nav-toggle div {
    position: relative;
}

#nav-toggle span {
    display: block;
    height: 2px;
    background: #555555;
    position: absolute;
    width: 80%;
    -webkit-transition: 0.4s ease-in-out;
    -moz-transition: 0.4s ease-in-out;
    transition: 0.4s ease-in-out;
}

#nav-toggle span:nth-child(1) {
    top: 0;
    right: 0;
}

#nav-toggle span:nth-child(2) {
    top: 10px;
    right: 0;
}

#nav-toggle span:nth-child(3) {
    top: 20px;
    right: 0;
}

#nav-toggle:hover span:nth-child(1) {
    top: 2px;
    right: 0;
}

#nav-toggle:hover span:nth-child(2) {
    top: 10px;
    right: 0;
}

#nav-toggle:hover span:nth-child(3) {
    top: 18px;
    right: 0;
}

/* open state for the hyphenated id – relies on .open on #menu */
.open #nav-toggle span:nth-child(1) {
    top: 12px;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    transform: rotate(45deg);
}

.open #nav-toggle span:nth-child(2) {
    width: 0;
    left: 50%;
}

.open #nav-toggle span:nth-child(3) {
    top: 12px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    transform: rotate(-45deg);
}


/* スマホ向きレイアウト */