* {
    margin: 0;
    padding: 0;
}

body {
    background-color: #f5f5f5;
}

header {
    border-bottom: 1px solid #068;
    background-color: #068;
    /* padding-top : 1%;
    padding-left: 1%;
    padding-bottom : 1%;
    padding-right: 1%; */
    width: 100%;
    top: 0;
    left: 0;
    padding: 0.5%;
    position: fixed;
    z-index: 5;
}

footer {
    padding-top: 1%;
    margin-top: 1%;
    border-top: 1px solid #068;
    background-color: #068;
    padding-bottom: 2%;
    bottom: 0;
    width: 100%;
    position: relative;
    z-index: 4;
}

ul {
    padding: 10px;
}

a {
    /* display: block; */
    text-decoration: none;
}

p {
    padding-left: 1rem;
}



.header_title a {
    color: #fff;
}

.contents {
    width: 100%;
    max-width: 900px;
    margin-top: 3%;
    margin-left: auto;
    margin-right: auto;
}

#infotable {
    background-color: #f5f5f5;
    padding-bottom: 10%;
}

.infotablearea {
    width: 100%;
    max-width: 900px;
    padding-top: 3%;
    margin-left: auto;
    margin-right: auto;
}

.infotablearea_head {
    /* font-weight : bold; */
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.2em;
    text-align: center;
    margin-bottom: 1%;
}

.infotable {
    width: 100%;
    height: 140px;
    background-color: #fff;
    font-size: 0.9rem;
    font-family: 'Noto Sans JP', sans-serif;
    border: 1px solid #000;
    display: block;
    overflow-y: scroll;
}

.information {
    color: #000;
}

td {
    padding-top: 10px;
    padding-left: 10px;
}

.date {
    width: 15%;
}






@media (max-width: 600px) {

    .back {
        background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('./images/fujiko.jpg');
        /* background-color: #000000; */
        background-size: auto 100vh;
        background-position: center;
        background-repeat: no-repeat;
        /* background-attachment: fixed; */
        /* width: 100%; */
        height: 100vh;
        z-index: 0;
    }


    .header_title {
        font-size: 1.5rem;
        /* font-weight: bold; */
        color: #fff;
        font-family: 'Noto Sans JP thin', sans-serif;
        letter-spacing: 0.1rem;
        z-index: 80;
        padding: 20px 10px 20px 10px;
        /* text-align: center; */
    }

    .menu-content {
        position: fixed;
        justify-content: flex-end;
        z-index: 80;
        width: 100%;
        height: 100%;
        top: 0;
        left: 100%;
        z-index: 80;
        background-color: #068;
        transition: all 0.5s;
    }

    .menu-content ul {
        justify-content: center;
        margin: 0px;
        /* padding: 0px 0px 0px 15px; */
        /* text-align: center; */
        transition: all 0.5s;
    }

    .menu-content ul li {
        /* width: 125px; */
        /* display: inline-block; */
        border-bottom: solid 1px #c0c0c0;
        padding: 10px;
        list-style-type: none;
        /* position: relative; */
    }

    .menu-content ul li a {
        /* line-height: 40px; */
        text-align: center;
        text-decoration: none;
        background-color: #068;
        color: #f5f5f5;
    }

    .menu-content ul li a:hover {
        /* background-color: #808080; */
        color: #c0c0c0
    }

    .nav_text {
        font-family: 'Noto Sans JP thin', sans-serif;
        font-size: 1.5rem;
        color: #fff;
        margin-right: 35px;
    }

    #menu-btn-check input[type=checkbox].hide-checkbox {
        display: none;
    }

    #menu-btn-check:checked~.menu-btn span {
        background-color: #fff0;
    }

    #menu-btn-check:checked~.menu-btn span::before {
        bottom: 0;
        transform: rotate(45deg);
        transition: all 0.5s;
    }

    #menu-btn-check:checked~.menu-btn span::after {
        top: 0;
        transform: rotate(-45deg);
        transition: all 0.5s;
    }

    #menu-btn-check:checked~.menu-content {
        left: 0;
        transition: all 0.5s;
    }

    .menu-btn {
        position: fixed;
        top: 10px;
        right: 10px;
        display: flex;
        height: 60px;
        width: 60px;
        justify-content: center;
        align-items: center;
        z-index: 90;
        background-color: #068;
    }

    .menu-btn span,
    .menu-btn span:before,
    .menu-btn span::after {
        content: '';
        display: block;
        height: 3px;
        width: 25px;
        border-radius: 3px;
        background-color: #fff;
        position: absolute;
        transition: all 0.5s;
    }

    .menu-btn span:before {
        bottom: 8px;
    }

    .menu-btn span:after {
        top: 8px;
    }

    #menu-btn-check {
        display: none;
    }

    .welcome_title {
        position: relative;
        padding-bottom: 20%;
        text-align: center;
        letter-spacing: 0.1em;
        color: #fff;
        font-family: 'Noto Sans JP', sans-serif;
        font-size: 2.6rem;
    }

    .welcome_subtitle {
        position: relative;
        padding-top: 70%;
        text-align: center;
        letter-spacing: 0.1em;
        color: #fff;
        font-family: 'Noto Sans JP thin', sans-serif;
        font-size: 1.2rem;
    }

    .contents_date {
        font-size: 1rem;
        /* font-weight: bold; */
        margin-top: 20%;
        font-family: 'Noto Sans JP thin', sans-serif;
    }

    .contents_title {
        font-size: 1.2rem;
        /* font-weight: bold; */
        margin-top: 5px;
        font-family: 'Noto Sans JP', sans-serif;
    }

    .contents_text {
        background-color: #fff;
        margin-top: 10px;
        padding: 3% 5%;
        border-radius: 10px;
        font-family: 'Noto Sans JP', sans-serif;
    }

    .contents_text ul {
        margin-top: 5%;
        font-size: 1.5rem;
        font-family: 'Noto Sans JP bold', sans-serif;
    }

    .footer_text {
        font-size: 0.8rem;
        margin-top: 1%;
        color: #fff;
        text-align: center;
        font-family: 'Noto Sans JP thin', sans-serif;
    }

}


@media (min-width: 601px) {

    .back {
        background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('./images/fujiko.jpg');
        /* background-color: #000000; */
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-position: center;
        width: 100%;
        height: 100vh;
        z-index: 0;
    }


    .header_title {
        font-size: 1.6rem;
        /* font-weight: bold; */
        color: #fff;
        font-family: 'Noto Sans JP thin', sans-serif;
        letter-spacing: 0.1rem;
        z-index: 80;
        /* text-align: center; */
    }

    .main_nav {
        text-align: right;
        align-content: end;
        padding-top: 5px;
        padding-right: 5px;
        box-sizing: border-box;
        z-index: 80;
    }

    .menu-content {
        justify-content: flex-end;
        z-index: 80;
    }

    .menu-content ul {
        margin: 0px;
        padding: 0px 0px 0px 15px;
        background-color: #068;
        text-align: right;

    }

    .menu-content ul li {
        /* width: 125px; */
        position: relative;

        display: inline-block;
        list-style-type: none;
    }

    .menu-content ul li a {
        /* line-height: 40px; */
        text-align: left;
        text-decoration: none;
        background-color: #068;
        color: #f5f5f5;
    }

    .menu-content ul li a:hover {
        /* background-color: #808080; */
        color: #c0c0c0
    }

    .nav_text {
        font-family: 'Noto Sans JP thin', sans-serif;
        font-size: 1rem;
        color: #fff;
        margin-right: 35px;
    }

    #menu-btn-check {
        display: none;
    }

    .welcome_title {
        position: relative;
        padding-bottom: 20%;
        text-align: center;
        letter-spacing: 0.3em;
        color: #fff;
        font-family: 'Noto Sans JP', sans-serif;
        font-size: 4rem;
    }

    .welcome_subtitle {
        position: relative;
        padding-top: 20%;
        text-align: center;
        letter-spacing: 0.5em;
        color: #fff;
        font-family: 'Noto Sans JP thin', sans-serif;
        font-size: 2rem;
    }

    .contents_date {
        font-size: 1rem;
        /* font-weight: bold; */
        margin-top: 10%;
        font-family: 'Noto Sans JP thin', sans-serif;
    }

    .contents_title {
        font-size: 1.2rem;
        /* font-weight: bold; */
        margin-top: 5px;
        font-family: 'Noto Sans JP', sans-serif;
    }

    .contents_text {
        background-color: #fff;
        margin-top: 10px;
        padding: 3% 5%;
        border-radius: 10px;
        font-family: 'Noto Sans JP', sans-serif;
    }

    .contents_text ul {
        margin-top: 5%;
        font-size: 1.5rem;
        font-family: 'Noto Sans JP bold', sans-serif;
    }

    .footer_text {
        font-size: 1rem;
        margin-top: 1%;
        color: #fff;
        text-align: center;
        font-family: 'Noto Sans JP thin', sans-serif;
    }

}


.contact {
    margin-left: 5%;
    margin-right: 5%;
    justify-content: center;
}

.contact_title {
    text-align: left;
    font-family: 'Noto Sans JP', sans-serif;
    color: #fff;
    font-size: 1.1rem;
    border-bottom: 1px dotted #a0a0a0;
    padding-bottom: 5px;
    margin-bottom: 10px;
    margin-top: 10px;
}

.contact_content {
    text-align: left;
    font-family: 'Noto Sans JP', sans-serif;
    color: #fff;
    font-size: 0.8rem;
    padding-bottom: 5px;
    margin-bottom: 20px;
}

.contact_content a {
    color: #ccc;
}

.contact_content a:hover {
    color: #888;
}

.welcome {
    height: 100%;
    width: 100%;
    position: relative;
}

h1 {
    margin: 5px;
}

h2 {
    margin: 20px;
}

p {
    font-family: 'Noto Sans JP thin', sans-serif;
}


.headline {
    text-align: center;
    color: #202020;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 2rem;
    padding: 10px;
    letter-spacing: 3px;
}

.text {
    text-align: center;
    color: #202020;
    font-family: 'Noto Sans JP thin', sans-serif;
    font-size: 1rem;
}

#next_concert {
    padding-top: 1%;
    background-color: #ffffff00;
    padding-bottom: 3%;
    z-index: 1;
    width: 100%;
    position: relative;
}

#welcome_msg {
    position: relative;
    padding-top: 5%;
    padding-bottom: 5%;
    background-color: #f5f5f5;
}

h4.prv_c {
    color: #f5f5f5;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: normal;
    padding-top: 5%;
    /* padding-left: 5em; */
    text-align: center;
}

p.prv_c {
    color: #f5f5f5;
    font-family: 'Noto Sans JP thin', sans-serif;
    font-weight: normal;
    padding-bottom: 5%;
    text-align: center;
}

.button {
    border: 1px solid #202020;
    padding-top: 5px;
    padding-bottom: 5px;
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    background-color: #fff;
    max-width: 100px;
    width: 100%;
    justify-content: center;
    text-align: center;
    display: block;
}

.button a {
    color: #202020;
}

.button a:hover {
    color: #000;
}

.button:hover {
    background-color: #d0d0d0;
}

.contents_text a {
    text-decoration: none;
    color: #666;
}


@media (min-width: 600px) {
    #parent {
        display: flex;
        /* padding-left: 5px;
      padding-right: 5px; */
        padding-bottom: 10px;
    }

    #child1 {
        flex-grow: 1;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    #child2 {
        flex-grow: 1;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .contact {
        padding-left: 25%;
        padding-right: 25%;
    }
}