body{
    background: linear-gradient(to bottom, #5a0e15, #000000);
    height: 100vh;
    margin: 0;
    color: white;
    font-family: Arial, sans-serif;
}
.sen{
    border: none;
    height: 1px;
    background-color: #464040; /* お好みの色に変更 */
    margin: 2em auto;
}
.rogo{
    width: 100%;
    margin: 1em auto;
    text-align: center;
    max-width: 200px;
}
img.m-w{
    width: 100%;
    height: auto;
}
a {
    text-decoration: none;
}
.tit{
    text-align: center;
    font-weight: bold;
    font-size: 25px;
    color: white;
}
.sp{
    width: 100%;
    max-width: 350px;
    text-align: center;
    margin: 1em auto;
}
.auth-button {
    display: block;
    background-color: #7a943d; /* Stripchatの赤色 */
    color: #fff; /* 白文字 */
    text-align: center;
    text-decoration: none;
    padding: 24px 24px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 20px;
    width: 80%;
    transition: background-color 0.3s ease-in-out;
    margin: 2em auto;
    max-width: 300px;
}

.auth-button:hover {
    background-color: #667c31; /* ホバー時に暗めの赤 */
}
p.ju{
    text-align: center;
    color: white;
    margin: 6px auto;
    font-size: 12px;

}
.ju a{
    color: white;
}
.fgfa{
    margin: 1em auto;
    text-align: left;
    font-size: 15px;
    color: white;
    line-height: 23px;
    width: 95%;
    max-width: 450px;
}


.footer {
    background-color: #1a0a0a; /* 背景色 */
    color: #fff; /* 文字色 */
    text-align: center;
    font-size: 14px;
    padding: 20px;
    line-height: 1.6;
}

.footer a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    font-weight: bold;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-nav {
    margin: 10px 0;
}

.footer-copyright {
    margin-top: 10px;
    font-size: 12px;
    opacity: 0.8;
}

.ffa{
    max-width: 800px;
    margin: 1em auto;
}
.slider{
    max-width: 800px;
    width: 100%;
    height: auto;
    margin: 1em auto;
}

.faaga{
    text-align: end;
    width: 98%;
    max-width: 800px;
    color: white;
    margin: 6px auto;
    padding: 0 1%;
}
.slider a {
    position: relative;
    margin: 0.2%;
}

.fgagaa {
    position: absolute;
    bottom: 10px;
    left: 10px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    background: rgba(0, 0, 0, 0.6); /* 背景を半透明に */
    padding: 5px 10px;
    border-radius: 5px;
}

.po {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 30px; /* 画像サイズ調整 */
    height: auto;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.8); /* 背景を少し白くする */
    padding: 3px;
}

.imgag {
    max-width: 800px;
    width: 95%;
    height: auto;
    margin: 1em auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.imgag div {
    width: 31%;
    margin: 1%;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}
.imgag div.active {
    transform: scale(1.1);
}
.imgag div:not(.active) {
    transform: scale(0.9);
}

.imgag img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease-in-out;
}