body {
    /*background: url(../img/hal/bg.jpg) fixed 0% 0% / cover;*/
    background-color: #c1e5ff;
}

#top_visual {
    margin-top: 100px;
    height: 200px;
    display: block;
    background-color: #000000;
    width: 100%;
    text-align: right;
    padding-right: 30px;

    background-image: url('./assets/img/hal/top_left.png');
    background-repeat: no-repeat;
    background-size: contain;
    background-position-x: 30px;
}

@media screen and (max-width: 767px) {
    #top_visual {
        padding-right: 0 !important;
        background-position-x: 0 !important;
    }
}

.concert_desc {
    margin-bottom: 50px;
}

.concert_title {
    font-size: 1.3em;
}

.concert_text {
    text-align: left;
}

.btn_noupper {
    text-transform: none !important;
}

#announce_list {
    text-align: left;
}

#announce_list li {
    margin-bottom: 20px;
}

.sub_desc {
    margin: 20px auto;
}

.sub_p {
    margin-bottom: 40px;
}

/* Override */
.main-raised {
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    background-color: rgba(193, 229, 255, 0.7);
    margin: -30px 30px 0 !important;
    border-radius: 0px !important;
    box-shadow: none !important;
}
.icon-info {
    margin-top: 20px;
}
.nav-item{
    color:black;
}
.description {
    color: black;
}
.navbar-toggler {
    background-color: lightsteelblue;
}
.btn-primary {
    background-color: #3366cc !important;
}