/* ---------------------------------------------
*   :root
--------------------------------------------- */
:root {
    --gradation-1: linear-gradient(90deg, rgba(113, 161, 247, 1) 0%, rgba(111, 205, 218, 1) 100%);
}

/* ---------------------------------------------
*   Universal selector
--------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

/* ---------------------------------------------
*   html, body
--------------------------------------------- */
html,
body {
    color: #000;
    font-size: 14px;
    font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "meiryo", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
}
@media screen and (max-width: 750px) {
    html,
    body {
        font-size: 1.8666666667vw;
    }
}

body {
    line-height: 1.5;
    min-width: 1064px;
}
@media screen and (max-width: 750px) {
    body {
        line-height: 1.5;
        min-width: 320px;
        overflow-x: hidden;
    }
}

/* ---------------------------------------------
*   <a> tag
--------------------------------------------- */
a {
    color: inherit;
    text-decoration: none;
}

/* ---------------------------------------------
*   <img> tag
--------------------------------------------- */
img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

/* ---------------------------------------------
*   <hr> tag as anchor target
--------------------------------------------- */
hr[id^=anchor-] {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 0;
    padding: 111px 0 0 0;
    border: 0;
    margin: -111px 0 0 0;
    background: 0;
    pointer-events: none;
}
@media screen and (max-width: 750px) {
    hr[id^=anchor-] {
        padding-top: 21.3333333333vw;
        margin-top: -21.3333333333vw;
    }
}

/* ---------------------------------------------
*   sup
--------------------------------------------- */
sup {
    font-size: 0.6em;
}