html {
    font-size: 14px;
    font-family: "Zen Maru Gothic", serif;
    font-weight: 500;
    font-style: normal;
}
body {
    background-color: #ABCFDF;
    font-family: "Zen Maru Gothic", serif;
    font-weight: 500;
    font-style: normal;
    letter-spacing: 0.06rem;
    color: #333333;
    line-height: 1.8;
}
small {
    font-size: .8em;
}
.pc {
    display: none;
}
.mobile {
    display: block;
}
.en {
    font-family: "Arima", system-ui;
    font-optical-sizing: auto;
    font-weight: 300;
    font-style: normal;
    letter-spacing: 0.2rem;
}
header #logo {
    position: absolute;
    width: 120px;
    max-width: 60%;
    top: 20px;
    left: 20px;
}
.menu-btn {
    position: fixed;
    top: 10px;
    right: 10px;
    display: flex;
    z-index: 90;
    background-size: contain;
    height: 60px;
    width: 60px;
    background-image: url("../images/menu-sp-off.webp");
}
#menu-btn-check {
    display: none;
}
#menu-btn-check:checked ~ .menu-btn {
    background-image: url("../images/menu-sp-on.webp");
    transition: all 0.5s; /*アニメーション設定*/
    /*メニューオープン時*/
}
.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 100%; /*leftの値を変更してメニューを画面外へ*/
    z-index: 80;
    background-color: #333333;
    opacity: 0.85;
    transition: all 0.5s; /*アニメーション設定*/
}
#menu-btn-check:checked ~ .menu-content {
    left: 0; /*メニューを画面内へ*/
}
.menu-content ul {
    width: 100%;
    padding-right: 10%;
    padding-left: 10%;
    padding-top: 100px;
}
.menu-content ul li {
    list-style: none;
    background-image: url("../images/allow_04.webp");
    background-position: left center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding: 0 20px 0 0;
    transition: all 0.5s; /*アニメーション設定*/
}
.menu-content ul li.menu-s {
    background-image: url("../images/allow_04.webp");
    background-size: 14px;
    padding: 0 20px 0 0;
    transition: all 0.5s; /*アニメーション設定*/
}
.menu-content ul li a {
    position: relative;
    display: block;
    width: 100%;
    font-size: 1.3rem;
    letter-spacing: 2px;
    box-sizing: border-box;
    color: #ffffff;
    text-decoration: none;
    padding: 10px 10px 10px 32px;
}
.menu-content ul li.menu-s a {
    width: 100%;
    font-size: 1rem;
}
#menu-btn-check:checked ~ .menu-btn {
    background-image: url("../images/menu-sp-on.webp");
    transition: all 0.5s; /*アニメーション設定*/
    /*メニューオープン時*/
}
header hr {
    border-top: 1px solid #FFFFFF;
    opacity: 0.3;
    margin-right: 40px;
}
header .hamburger-menu .menu-contact {
    margin-bottom: 1rem;
}
.btn-s, .btn-m, .btn-l {
    text-align: center;
    margin: 30px auto;
}
.btn-s a, .btn-m a, .btn-l a {
    display: inline-block;
    color: #FFFFFF;
    font-weight: 600;
    background-color: #111111;
    text-decoration: none;
    border-radius: 40px;
    margin: 10px;
    transition: all 0.5s; /*アニメーション設定*/
}
.btn-s a {
    padding: 10px 30px;
    font-size: 0.8rem;
}
.btn-m a {
    padding: 10px 40px;
    font-size: 1rem;
}
.btn-l a {
    padding: 15px 40px;
    font-size: 1.2rem;
}
.btn-red a {
    background-image: url("../images/bg-l.webp");
    background-size: cover;
}
footer {
    background-color: #333333;
    font-size: 0.8rem;
    font-weight: 400;
}
footer .box {
    padding: 2rem;
}
footer .box .img-logo {
    width: 100px;
    padding-bottom: 2rem;
}
footer ul {
    padding-left: 0;
    padding-top: 0;
    margin-bottom: 0;
    list-style: none;
}
footer ul li a {
    color: #FFFFFF;
    font-size: 0.8rem;
    font-weight: 400;
    text-decoration: none;
}
footer .center {
    margin-bottom: 2rem;
}
footer .right {
    max-width: 200px;
    padding: 0 1rem;
    background-color: white;
    border-radius: 1rem;
}
footer .right img {
    border-radius: 1rem;
}
footer .copyright p {
    color: #FFFFFF;
    margin: 0;
    padding-bottom: 2rem;
}
@media (min-width: 768px) {
    html {
        font-size: 16px;
        color: #333333;
    }
    .pc {
        display: block;
    }
    .mobile {
        display: none;
    }
    header #logo {
        width: 200px;
        top: 40px;
        left: 40px;
    }
    .rounded-nav {
        position: fixed;
        top: 40px; /* 上からの距離（必要に応じて調整） */
        right: 40px; /* 右から40pxに固定 */
        background-color: #f9fbfc;
        border-radius: 999px;
        padding: 1em 2em;
        display: flex;
        justify-content: center;
        align-items: center;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
        z-index: 1000; /* 他の要素より前に出すため */
    }
    .rounded-nav ul {
        list-style: none;
        display: flex;
        align-items: center;
        padding: 0;
        margin: 0;
    }
    .rounded-nav li {
        width: 130px;
        text-align: center;
        font-weight: bold;
        font-size: 1rem;
        letter-spacing: 1px;
    }
    .divider {
        height: 1.5em;
        width: 1px;
        background-color: #b3d8ee;
        margin: 0 1em;
    }
    .rounded-nav li:not(:last-child)::after {
        content: '';
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        height: 1.5em;
        width: 1px;
        background-color: #b3d8ee;
    }
    .rounded-nav a {
        text-decoration: none;
        color: #111;
    }
    .btn-s a:hover {
        padding: 10px 40px;
    }
    .btn-m a:hover {
        padding: 10px 50px;
    }
    .btn-l a:hover {
        padding: 15px 50px;
    }
    footer .box {
        width: 90%;
        padding: 3rem 0;
        margin: 0 auto;
    }
    footer .left {
        width: 300px;
        float: left;
    }
    footer .center {
        width: 400px;
        float: left;
    }
    footer .center ul {
        width: 45%;
        float: left;
    }
    footer .right {
        width: 20%;
        float: right;
        padding: 0 1rem;
    }
    footer .copyright p {
        display: block;
        margin: 0;
        padding-bottom: 2rem;
    }
}