.logout-wrapper {
    text-align: right;
    margin-left: auto;
}

.logout {
    display: inline-block;
    text-align: right;
    margin-left: auto;
    color: #8e8e8e;
    margin: 0 10px 0 0;
    font-size: 11px;
    }

    a:hover {
        color: #dedcdc;
    }


.to-calender {
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    background: white;
    color: #adadad;
    border: 2px solid #adadad;
}

.to-calender:hover {
    background: #f5f5f5;
    color: #b0b0b0;
}


.top-container {
    height: 50px;
    margin-bottom: 10px;



    .btn--home,
    a.btn--home {
        color: #fff;
        background-color: #adadad;
        height: 35px;
        width: 90px;
        margin: 0 0 10px 10px;
        font-size: 15px;
    }

    .btn--home:hover,
    a.btn--home:hover {
        color: #fff;
        background: #b0b0b0;
    }

    a.btn--radius {
        border-radius: 90vh;
    }



}


.explain {
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 320px;

    h5 {
        font-size: 17px;
        color: #666666;
    }

    h1 {
        font-size: 24px;
    }
}


.muscle-container {
    position: relative;
    width: 1300px;
    margin: 40px auto;
}

.muscle-image {
    width: 600px;
    margin: auto;
    display: block;
}



.accordion-1 {
    position: absolute;
    top: 0px;
    left: 0px;
}

.accordion-2 {
    position: absolute;
    top: 0px;
    right: 40px;
}

.muscle-container.backlayout {
    position: relative;
}

.accordion-3 {
    position: absolute;
    top: 0px;
    left: 0px;
}

.accordion-4 {
    position: absolute;
    top: 0px;
    right: 40px;
}

.accordion-11 {
    margin-bottom: 50px;
}

.accordion-003 {
    max-width: 500px;
    margin-bottom: 7px;
    border-bottom: 2px solid #d0d0d0;
}

.accordion-003 summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 1em 2em;
    color: #333333;
    font-weight: 600;
    cursor: pointer;
}

.accordion-003 summary::-webkit-details-marker {
    display: none;
}

.accordion-003 summary::after {
    transform: translateY(-25%) rotate(45deg);
    width: 7px;
    height: 7px;
    margin-left: 10px;
    border-bottom: 3px solid #333333b3;
    border-right: 3px solid #333333b3;
    content: '';
    transition: transform .3s;
}

.accordion-003[open] summary::after {
    transform: rotate(225deg);
}

.accordion-003 a {
    display: block;
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    padding: .3em 2em 1.5em;
    color: #333333;
    transition: transform .5s, opacity .5s;
}

.accordion-003[open] a {
    transform: none;
    opacity: 1;
}

.app-introduction {

    max-width: 1200px; 
    margin: 200px auto; 
    padding: 0 20px;

    h2 {
        font-size: 1.8em;
        margin-bottom: 100px; 
    }

    p {
        font-size: 1.1em;
        margin-bottom: 20px;
    }

    h3 {
        font-size: 1.4em; 
    }

    

    
    
}


.copyright {
    margin: 16px 0 0 0;
    border-top: 1px solid #3C5453;
    padding: 16px 0 0 0;
    font-size: 0.75rem;
    text-align: center;

}

@media(min-width: 768px) {
    .footer {
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .footer-nav {
        display: flex;
        flex-direction: row;
        gap: 32px;
        justify-content: center;
        align-items: end;

        .sns-btn {
            display: none;
        }

        .logo {

            text-align: center;
            display: none;
        }

        .links {
            display: contents;
            list-style-type: none;
        }

        li {
            text-align: center;

            /* ナビゲーションのリンク */
            a {
                color: inherit;
                text-decoration: none;


                &:hover {
                    color: #FA452C;
                }
            }
        }
    }

    .copyright {
        margin: 16px 0 0 0;
        text-align: center;
    }

}


@media(max-width: 768px) {
    .to-calender {
        padding: 8px 15px;
        font-size: 14px;
    }

    .explain {
        padding: 5% 15%;
    }

    .explain h5 {
        font-size: 13px;
        color: #666666;
    }

    .explain h1 {
        font-size: 20px;
    }

    .muscle-container {
        position: relative;
        width: 360px;
        margin: 10px auto;
    }

    .muscle-image {
        width: 90%;
        margin: auto;
        display: block;
    }



    .accordion-1 {
        position: static;
        margin-top: 20px;
    }

    .accordion-2 {
        position: static;
        margin-top: 20px;
    }

    .accordion-3 {
        position: static;
        margin-top: 20px;
    }

    .accordion-4 {
        position: static;
        margin-top: 20px;
    }

    .accordion-11 {
        margin-bottom: 30px;
    }

    .accordion-003 {
        max-width: 500px;
        margin-bottom: 7px;
        border-bottom: 2px solid #d0d0d0;
    }

    .accordion-003 summary {
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: relative;
        padding: 1em 2em;
        color: #333333;
        font-weight: 600;
        cursor: pointer;
    }

    .accordion-003 summary::-webkit-details-marker {
        display: none;
    }

    .accordion-003 summary::after {
        transform: translateY(-25%) rotate(45deg);
        width: 7px;
        height: 7px;
        margin-left: 10px;
        border-bottom: 3px solid #333333b3;
        border-right: 3px solid #333333b3;
        content: '';
        transition: transform .3s;
    }

    .accordion-003[open] summary::after {
        transform: rotate(225deg);
    }

    .accordion-003 a {
        display: block;
        transform: translateY(-10px);
        opacity: 0;
        margin: 0;
        padding: .3em 2em 1.5em;
        color: #333333;
        transition: transform .5s, opacity .5s;
    }

    .accordion-003[open] a {
        transform: none;
        opacity: 1;
    }

    .app-introduction {

        margin: 100px auto; 

        h2 {
            font-size: 1.2em;
            margin-bottom: 60px;
        }

        p {
            font-size: 0.9em;
            margin-bottom: 20px;
        }

        h3 {
            font-size: 1.1em; 
        }
        
    }



    .footer {
        margin: 32px 0 0 0;
        padding: 30px 0;
        color: black;
    }

    .footer-nav {
        display: flex;
        flex-direction: column;
        gap: 8px;

        .sns-btn {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 20px;
            list-style-type: none;
            padding: 0;

            li {
                display: flex;
                /* ← これを追加 */
                justify-content: center;
                /* ← 中の画像を中央に */
                align-items: center;
            }

            img {
                display: block;
                /* ← インラインの隙間をなくす */
            }
        }

        .logo {

            text-align: center;
            clip-path: circle(closest-side);
            display: none;
        }

        .links {
            display: contents;
            list-style-type: none;

            li {
                text-align: center;

                a {
                    color: inherit;
                    text-decoration: none;
                    font-size: 0.8em;

                    &:hover {
                        color: #FA452C;
                    }
                }
            }
        }
    }



}