body {
    font-family: 'Nunito';
    margin: 0;
    padding: 0;
}

.main-wrap {
    min-height: 100vh;
    background-color: #333;
}
.main {
    margin: auto;
    max-width: 580px;
    padding: 0 20px 40px 20px;
}
.header {
    border-bottom: 2px solid #666;
    border-radius: 1px;
    padding: 20px 0;
    display: flex;
    justify-content: left;
}
#logo {
    width: 46px;
    border-radius: 13px;
}
h1 {
    color: #aaa;
    margin: 0 0 0 1rem;
    letter-spacing: 0.3rem;
    font-weight: 400;
}
.gallery {
    margin: auto;
    padding: 60px 0 20px 0;
}
.support {
    margin: auto;
    padding: 20px 0;
    display: flex;
    justify-content: center;
    color: #aaa;
    font-size: 0.6rem;
}
.support span::after {
    content: '●';
}
.main-image {
    display: flex;
    justify-content: center;
}
#stereogram {
    margin: auto;
    max-width: 80%;
    max-height: 80%;
    display: none;
}
.operation {
    padding: 20px;
    display: flex;
    justify-content: center;
}
.operation button {
    letter-spacing: 0.2rem;
    padding: 6px 20px;
    margin: 0 10px;
    border: none;
    border-radius: 5px;
    background-color: #444;
    color: #aaa;
    cursor: pointer;
    font-size: 0.9rem;
}
.icon-refresh {
    vertical-align: bottom;
    font-size: 1.2rem;
    margin-left: 0.2rem;
}
.message {
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    color: #aaa;
    letter-spacing: 0.2rem;
    font-size: 1rem;
    /* margin-top: 30px; */
}
.message p {
    width: 100%;
    text-align: center;
    margin: 6px 0;
}
.container {
    /* display: flex;
    justify-content: center; */
    color: #666;
    padding: 20px 20px 0 20px;
    max-width: 580px;
    margin: auto;
}
.container h2 {
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: 0.1rem;
    margin-bottom: 2rem;
}
.container p {
    font-weight: 400;
    font-size: 0.8rem;
    letter-spacing: 0.1rem;
    line-height: 1.6rem;
    margin: 0;
}
.container li {
    font-size: 0.8rem;
    letter-spacing: 0.1rem;
    line-height: 1.6rem;
}
.description {
    width: 100%;
}
.container p.mail {
    margin-bottom: 20px;
}
.mailto {
    color: #2563eb;
    text-decoration: none;
}
.container p.amazon-note {
    margin: 20px 0;
    color: #666;
}
.amazon-link {
    display: flex;
    justify-content: center;
    padding-top: 20px;
}
.amazon-link a {
    color: #666;
    text-decoration: none;
    padding: 6px 20px;
    border: #999 1px solid;
    border-radius: 10px;
}
.amazon-link a:hover {
    color: #333;
    border: #666 1px solid;
    background-color: #eee;
}
.footer {
    margin: 50px auto 0 auto;
    display: flex;
    justify-content: center;
    color: #aaa;
    letter-spacing: 0.2rem;
    font-size: 0.7rem;
    background-color: #333;
}
 @media only screen and (orientation: portrait) and (max-device-width: 767px) {
    body::-webkit-scrollbar {
        display: none;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    h1 {
        font-size: 1.5rem;
        line-height: 3rem;
    }
    main {
        max-width: 100vw;
    }
    #stereogram {
        max-width: 100%;
        max-height: 100%;
    }
    .support {
        font-size: 1rem;
    }
 }