html {
    line-height: 1.7;
}
header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    color: rgba(0,0,0,.54);
}
h1 {
    padding: 1em .5rem;
    font-size: min(400%, 7vw);
    text-align: center;
    color: red;
    font-weight: bold;
}
article {
    margin: 0 auto;
    padding: 1rem;
    width: min(100vw, 1280px);
}
p {
    font: italic normal bold 2em/1.5 "sans-serif",serif;
    font-size: min(200%, 6vw);
}
.title {
    margin: 2rem auto;
    width: 100%;
    height: max(50vw, 400px);
    background-image: url(./images/hanbaijissyu.webp);
    background-position: center;
    background-size: cover;
}
body{
    background-color: rgb(248, 246, 246);
}
.maps {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.maps > div {
    flex-basis: 50%;
    min-width: min(100%, 480px);
    padding: 0 2rem;
    /* background-image: url(./images/kusaka.png); */
}
iframe {
    width: 100%;
    border: 1px solid var(--b1);
}
.izutsuya-container, .riverwalk-container {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 1em 0;
}
.izutsuya-text, .riverwalk-text {
    position: relative;
    left: 0px;
    font-family: "HGゴジックM-PRO","HGmaruGOthicMPRO","Hiragino Maru Gothic";
    font-size: 30px;
    font-weight: bold;
    color: #333333;
}
.teacher-comment {
    margin-top: 2rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    flex-wrap: wrap;
    font-size: min(200%, 5vw);
    font-family: "HGゴジックM-PRO","HGmaruGOthicMPRO","Hiragino Maru Gothic";
}
.teacher {
    width: min(40%, 480px);
    margin-right: 5%;
    min-width: 360px;
}
.comment {
    width: 50%;
    max-width: 600px;
    flex-grow: 1;
    padding: 1.5rem 2rem;
    border-style: solid;
    border-color: rgb(201, 17, 17);
    border-width: 5px;
    border-collapse: separate;
    border-radius: 1rem;
}
.wrap-btn {
    margin: 2rem 0;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    font-size: 200%;

    a {
        margin: 1rem;
        padding: 1rem 2rem;
        border: 2px solid black;
        border-radius: 2rem;
        box-shadow: .25rem .25rem .5rem rgba(0,0,0,.54);
    }
}
footer {
    margin-top: 2rem;
    color: rgba(0,0,0,.54);
    border-top: 1px solid rgba(0,0,0,.5);
    background-color: rgba(0,0,0,.1);

    ul {
        display: flex;
        justify-content: center;
        align-items: flex-start;
        flex-wrap: wrap;
        padding: 1rem;

        li {
            margin: 1rem;

            .en {
                font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
            }
        }
    }
}