body {
    font-size: 18px;
    line-height: 1.6;
    font-family: sans-serif;
    color: #132d42;
    background-color: #e7f5fd;
}

.all {
    margin: 0 auto 30px;
    max-width: 640px;
    padding: 20px 40px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px #d2e3ec;
}

@media (max-width: 500px) {
    .all {
        padding: 20px;
    }
}

h1 {
    font-size: 300%;
    color: #0371c5;
    line-height: 1.2;
    margin: 4rem auto 3rem;
    text-align: center;
}

@media (max-width: 500px) {
    h1 {
        font-size: 200%;
    }
}

h2 {
    border-bottom: 1px solid #d7e7f1;
}

h2,
h3 {
    color: #4a799e;
}

hr {
    border: 0;
    height: 1px;

    margin: 1rem 0;
}

img {
    max-width: 100%;
}

.ps {
    color: #648394;
    font-size: 0.9rem;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
}

.gallery img {
    max-width: 150px;
    margin: 0 10px 10px 0;
}

@media (max-width: 500px) {
    .gallery {
        display: block;
    }

    .gallery img {
        margin-right: 0;
        max-width: 100%;
    }
}
.imgDesc {
    color: #648394;
    margin-top: -5px;
    font-size: 0.9rem;
    padding: 10px;
    text-align: center;
}

.notice {
    margin: 10px auto 0;
    max-width: 640px;
    padding: 10px 40px;
    background-color: #fff4a9;
    border-radius: 12px;
    box-shadow: 0 5px 20px #d2e3ec;
    color: black;
    text-align: center;
}