/* Rudimentary mega menu CSS for demonstration */
/* mega menu list */
.nav-menu {
    display: block;
    position: relative;
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    z-index: 15;
    text-align: center;
}

/* a top level navigation item in the mega menu */
.nav-item {
    list-style: none;
    display: inline-block;
    padding: 0;
    margin: 0;
}

/* first descendant link within a top level navigation item */
.nav-item>a {
    position: relative;
    display: inline-block;
    padding: 0.5em 1em;
    margin: 0 0 -1px 0;
    border: 1px solid transparent;
}

/* focus/open states of first descendant link within a top level
       navigation item */
.nav-item>a:focus,
.nav-item>a.open {
    /* border: 1px solid #dedede; */
}

/* open state of first descendant link within a top level
       navigation item */
.nav-item>a.open {
    background-color: #fff;
    /* border-bottom: none; */
    z-index: 1;
}

/* sub-navigation panel */
.sub-nav {
    position: absolute;
    display: none;
    /* top: 2.2em; */
    margin-top: 10px;
    /* padding: 0.5em 1em; */
    width: 100%;
    left: 0;
    box-sizing: border-box;
}

/* sub-navigation panel open state */
.sub-nav.open {
    display: flex;
    flex-direction: column;
}

.sub-nav.open .inner {
    width: 800px;
    margin: 0 auto;
    border: 1px solid #dedede;
    background-color: #fff;
    border-radius: 6px;
}

.sub-nav.open .inner strong {
    border-bottom: solid 1px #000059;
    display: block;
    font-size: 1.8rem;
    letter-spacing: 2px;
    pointer-events: auto;
    visibility: visible;
}

.sub-nav.open .inner strong a {
    text-decoration: none;
    color: #333;
    display: flex;
    align-items: center;
    column-gap: 10px;
    padding: 20px;
    line-height: 1.5;
    width: 100%;
    box-sizing: border-box;
    pointer-events: auto;
    visibility: visible;
}

.sub-nav.open .inner strong a:hover {
    text-decoration: underline;
}

.sub-nav.open .inner ul {
    display: flex;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
    justify-content: space-between;
}

.sub-nav.open .inner ul::after {
    content: "";
    display: block;
    width: 33%;
}

.sub-nav.open .inner ul li {
    padding: 0;
    margin: 0;
    list-style: none;
    width: 33%;
}

.sub-nav.open .inner ul li a {
    display: flex;
    align-items: center;
    column-gap: 12px;
    color: #333;
    text-decoration: none;
    position: relative;
    line-height: 1.6;
    padding: 13px 20px;
    box-sizing: border-box;
}

.sub-nav.open .inner ul li a:hover {
    text-decoration: underline;
}

.sub-nav.open .inner strong a::before,
.sub-nav.open .inner ul li a::before {
    content: '';
    display: block;
    width: 9px;
    height: 9px;
    border-top: solid 2px #000059;
    border-right: solid 2px #000059;
    transform: rotate(45deg);
}

/* list of items within sub-navigation panel */
.sub-nav ul {
    display: inline-block;
    vertical-align: top;
    margin: 0 1em 0 0;
    padding: 0;
}

/* list item within sub-navigation panel */
.sub-nav li {
    display: block;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

/* 装飾 */
.nav-item>a {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 80px;
    justify-content: flex-end;
    row-gap: 1px;
    box-shadow: 0px 1px 6px 1px rgba(0, 0, 0, 0.4);
    padding: 0 12px;
    background-color: #FFF;
    border-radius: 4px;
    background-size: 64px auto;
    background-repeat: no-repeat;
    background-position: center top 9px;
}

.nav-item.bosai>a {
    color: #333;
    text-decoration: none;
    background-image: url(/img/common/g-bosai.png);
}

.nav-item.kurashi>a {
    color: #333;
    text-decoration: none;
    background-image: url(/img/common/g-kurashi.png);
}

.nav-item.kenko>a {
    color: #333;
    text-decoration: none;
    background-image: url(/img/common/g-kenko.png);
}

.nav-item.kosodate>a {
    color: #333;
    text-decoration: none;
    background-image: url(/img/common/g-kosodate.png);
}

.nav-item.kanko>a {
    color: #333;
    text-decoration: none;
    background-image: url(/img/common/g-kanko.png);
}

.nav-item.gyosei>a {
    color: #333;
    text-decoration: none;
    background-image: url(/img/common/g-gyosei.png);
}


.nav-item>a::after {
    content: "";
    border-style: solid;
    border-right: 8px solid transparent;
    border-left: 8px solid transparent;
    border-top: 7px solid #000059;
    border-bottom: 0;
    margin-bottom: 2px;
    -webkit-transform: scale(0, 1);
    transform: scale(0, 1);
    -webkit-transform-origin: left top;
    transform-origin: left top;
}

.nav-item>a:hover::after,
.nav-item>a.open::after {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
}


nav.header__nav.lower {
    box-sizing: border-box;
    padding: 2px 0;
    background-color: #FFF;
}

nav.header__nav.lower .nav-item>a {
    color: #333;
    text-decoration: none;
    width: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 55px;
    justify-content: center;
    row-gap: 0;
    box-shadow: none;
    padding: 0px 10px 0px 50px;
    box-sizing: border-box;
    background-position: top 10px left;
    background-size: 48px auto;
}

nav.header__nav.lower .sub-nav.open .inner {
	width: 1000px;
}