/*
 * Yu Gothic weight fix
 */
@font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 100;
}
@font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 200;
}
@font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 300;
}
@font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 400;
}
@font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Bold");
    font-weight: bold;
}

html {
    background: #dd0066 url(../images/miku.png) no-repeat;
    background-position: calc(50% + 300px) -90px;
}

body {
    color: #fff;

    display: flex;
    min-height: 100vh;
    flex-direction: column;

    font-family: "Hiragino Kaku Gothic Pro", "Yu Gothic", YuGothic, Meiryo, "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-feature-settings: "halt" 1;
}

header {
    width: 100%;
    height: 300px;
    margin-top: 50px;
}

main {
    flex: 1 0 auto;
}

header h3 {
    font-weight: bolder;
    color: #fff;
    text-shadow: 0 0 0.5em #ee0065, 0 0 0.5em #ee0065, 0 0 0.5em #ee0065;
}

h3 + p {
    font-size: 1.2rem;
}

.summary {
    background: rgba(255, 255, 255, 0.8);
    color: #000;
    font-weight: bold;
    border-radius: 5px;
}

.date {
    background: rgba(255, 255, 255, 0.6);
    color: #000;
    box-shadow: 1px 1px 3px 3px rgba(255, 255, 255, 0.6);
}

.date h4,
.date h5 {
    font-weight: 600;
}

.container {
    max-width: 1100px;
}

.for-visitor a {
    color: #fff;
}

.for-visitor a.btn {
    color: #fff;
    box-shadow: 0 2px 2px 0 rgba(0,0,0,0.14), 0 1px 5px 0 rgba(0,0,0,0.12), 0 3px 1px -2px rgba(0,0,0,0.2);
}

.detail {
    padding: 0.5rem;
    border-top: 1px solid #fff;
    font-size: 0.9rem;
    color: #fff;
}

.btn.link {
    text-transform: none;
    color: #dd0066;
    font-weight: bold;
}

.page-footer {
    background: rgba(0, 0, 0, 0.5);
}

.miku-logo {
    display: inline-block;
    margin-top: 3px;
}

@media (max-width: 600px) {
    html {
        background-position: left -80px;
        background-size: 700px;
    }

    header {
        width: 100%;
        height: 150px;
        margin-top: 0;
    }

    h3, h4 {
        font-size: 150%;
    }

    .miku-logo {
        margin-top: 10px;
        max-width: 90%;
    }

    .songle-sync-logo {
        width: 120px;
    }

    .magical-mirai-logo {
        display: block;
        max-width: 90%;
    }

    .for-visitor {
        text-align: center;
    }

}

@media (max-width: 360px) {
    .date h4,
    .date h5 {
        font-size: 1.4rem;
    }
}

@media (max-width: 320px) {
    h3, h4 {
        font-size: 130%;
    }

}