@charset "UTF-8";
body{
    font-family: 'Zen Kaku Gothic New', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #ffffff;
    color: #333;
    background: linear-gradient(270deg, #e0e7ff, #ffffff, #f0f4ff);
    background-size: 600% 600%;
    animation: gradientAnimation 15s ease infinite;
}
@keyframes gradientAnimation {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}
a, button {
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
}
a:hover, button:hover {
    opacity: 0.6;
    text-decoration: none;
}
.uc_container{
    text-align: center;
    padding: 0 20px;
}
.logo_wrap {
    position: relative;
    display: inline-block;
    border-bottom: 1px solid #7b7b7b;
    margin-bottom: 2em;
    padding: 20px 0;
    text-align: center;
}
.logo_wrap img {
    width:75%;
}
header h1 {
    font-size: 2.5em;
    margin-bottom: 1em;
    color: #2544af;
}
main p {
    margin: 0.8em 0;
    line-height: 1.6;
}
a {
    color: #2544af;
    text-decoration: none;
    font-weight: 500;
}
footer p {
    margin-top: 2em;
    font-size: 0.9em;
    color: #666;
}
@media only screen and (min-width: 900px){
.hidden_pc{
    display: none;
}
}