* {
    box-sizing: border-box;
}

h1 {
    text-align: center;
    margin: 100px 0 50px;
    font-weight: 400;
    font-size: 32px;
}

.inner {
    padding: 0 20px;
}

.store-img {
    display: block;
    max-width: 900px;
    margin: 50px auto;
    background-color: #ededed;
    aspect-ratio: 16 / 9;
    width: 100%;
}

.store-detail {
    flex-basis: 30%;
    max-width: 600px;
    margin: 50px auto;
}

iframe {
    flex-basis: 60%;
    width: 100%;
}

@media (min-width:600px) {
    .inner {
        display: flex;
        flex-wrap: wrap;
        padding: 0 20px;
    }
}

.store-detail > div {
    display: flex;
    padding: 20px 10px;
    border-bottom: 1px solid #000000;
    font-family: "Noto Serif JP", serif;
}

.store-detail > div dt {
    flex-basis: 30%;
    font-weight: 600;
}

h2 {
    display: flex;
    text-align: center;
    max-width: 1100px;
    margin: 100px auto;
    width: 100%;
    justify-content: center;
    align-items: center;
}

h2::after,
h2::before {
    content: "";
    display: block;
    height: 1px;
    width: 20%;
    background: #000000;
}

@media (min-width:600px) {
    h2::after,
    h2::before {
        width: 40%;
    }
}

h2::before {
    margin-right: 30px;
}
h2::after {
    margin-left: 30px;
}