@charset "UTF-8";
/* ------------------------------------------------------------------------
reset
------------------------------------------------------------------------ */
*,
::after,
::before {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
html,
body,
header,
footer,
main,
div,
h1,
p,
dl,
dt,
dd,
ul,
li {
    margin: 0;
    padding: 0;
}
header,
footer,
main {
    display: block;
}
ul,
li {
    list-style: none;
}
body {
    line-height: 1;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI',
        'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', 'Meiryo UI', Meiryo,
        sans-serif;
    font-size: 12px;
    text-align: center;
}
img {
    border: 0;
    vertical-align: bottom;
    outline: none;
}
a {
    color: inherit;
    text-decoration: underline;
}
a:hover {
    text-decoration: none;
}

/* ------------------------------------------------------------------------
common
------------------------------------------------------------------------ */
body {
    background: #ceff87
        /* linear-gradient(to bottom, #1e5799 0%,#7db9e8 100%) */;
}
/*
435px：左右背景のサイズ
465px：wrapperのwidth÷2
*/
.bg_body {
    background-image: url('../img/left.jpg'), url('../img/right.jpg'),
        url('../img/bg_ptrn.gif');
    background-position: left calc((50% - (435px / 2)) - 465px) top,
        left calc((50% + (435px / 2)) + 465px) top, center top;
    background-repeat: no-repeat, no-repeat, repeat-y;
}
#wrapper {
    margin: 0 auto;
    width: 930px;
}
header {
    padding: 0 20px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    position: relative;
    height: 52px;
}
header::before,
header::after {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: '';
}
header::before {
    bottom: 2px;
    background: repeating-linear-gradient(
        135deg,
        transparent,
        transparent 1px,
        #717171 1px,
        #717171 2px
    );
}
header::after {
    background: -webkit-gradient(
        linear,
        left top,
        left bottom,
        from(rgba(50, 50, 50, 1)),
        color-stop(5%, rgba(56, 56, 56, 1)),
        color-stop(20%, rgba(38, 38, 38, 1)),
        color-stop(50%, rgba(61, 61, 61, 1)),
        to(rgba(100, 100, 100, 0.8))
    );
    background: linear-gradient(
        to bottom,
        rgba(50, 50, 50, 1) 0%,
        rgba(56, 56, 56, 1) 5%,
        rgba(38, 38, 38, 1) 20%,
        rgba(61, 61, 61, 1) 50%,
        rgba(100, 100, 100, 0.8) 100%
    );
}
header a {
    margin: 5px 0 0 0;
    z-index: 1;
}
footer dl {
    border-top: 1px solid #969696;
    border-bottom: 1px solid #969696;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    height: 84px;
    background: url('../img/bg_link.jpg') repeat-x center / contain;
    font-size: 12px;
}
footer dt {
    margin: 0 2em 0 0;
    font-weight: bold;
}
footer ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}
footer li::after {
    margin: 0 0.5em;
    content: '｜';
}
footer li:last-child::after {
    margin: 0;
    content: none;
}
footer .copyright {
    padding: 20px;
    line-height: 1.6;
    -webkit-box-shadow: 0 5px 5px -2px #000 inset;
    box-shadow: 0 5px 5px -2px #000 inset;
    background: #000
        repeating-linear-gradient(
            135deg,
            transparent,
            transparent 3px,
            #323232 3px,
            #323232 4px
        );
}