@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100;200;300;400;500&display=swap');
* {
    margin: 0;
    padding: 0;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
    text-decoration: none;
}
body {
    background-color: #f3f3f3;
}
h1 {
    font-weight: 300;
    margin-top: 20px;
}
header {
    background-color: #fff;
    display: flex;
    justify-content: space-between;
    height: 70px;
    line-height: 70px;
}
header h1 {
    margin-left: 50px;
    margin-top: 0;
    padding: 0;
    font-weight: 500;
}
header a {
    text-decoration: none;
    color: #000;
}
.items {
    margin-right: 50px;
    line-height: 70px;
}
.items a {
    color: #000;
    height: 18px;
    text-decoration: none;
    text-align: center;
    padding: 0 15px;
    border-left: 1px #000 solid;
}
.items a:hover {
    color: #7d7d7d;
    /* border-bottom: 1px #7d7d7d solid; */
}
.items a:last-child {
    border-right: 1px #000 solid;
}
.explain {
    height: calc(90vh - 30px);
}
.producer {
    width: 90%;
    margin: 0 auto;
}
.producer p {
    padding: 10px;
}
.producer img {
    height: 330px;
    padding: 10px;
}
.producer a {
    border-bottom: 0.5px solid;
    color: #007bbb;
    text-decoration: none;
}
.producer a:hover {
    color: #a0d8ef;
}
.pro_img {
    text-align: center;
}
.intention {
    width: 90%;
    margin: 0 auto;
}
.intention p {
    padding: 10px;
}
footer {
    border-top: #000 1px solid;
    text-align: center;
}

@media screen and (max-width:480px) {
    h1 {
        font-size: 20px;
    }
    h2 {
        font-size: 20px;
        font-weight: 400;
        margin-top: 10px;
    }
    h3 {
        font-size: 15px;
    }
    header {
        display: flex;
        flex-flow: column;
        height: fit-content;
    }
    header h1 {
        font-size: 20px;
        margin-left: 10px;
        height: 25px;
    }
    .items {
        margin-right: 0;
        margin-top: 10px;
        text-align: center;
    }
    .items a {
        font-size: 13px;
        height: 15px;
    }
    .producer img {
        display: none;
    }
}