body{
    color: #333;
    margin: 0;
    padding: 0;
    background: #E7EBEF;
    background-image: linear-gradient(0deg, transparent calc(100% - 1px), #dce0e4 calc(100% - 1px)), linear-gradient(90deg, transparent calc(100% - 1px), #dce0e4 calc(100% - 1px));
    background-size: 24px 24px;
    background-repeat: repeat;
    background-position: center center;
}
*{
    box-sizing: border-box;
}
img{
    width: 100%;
    vertical-align: middle;
}
input[type="text"]{
    padding: 0.5em;
}
header {
    width: 100%;
    /* max-width: 1100px; */
    margin: 0 auto;
    padding: 20px 20px;
    background: #054E82;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, .2);
}
header .container{
    display: flex;
    justify-content: space-between;
}
header ul{
    display: flex;
    margin: 0;
}
.site-logo{
    color: #fff;
}
.site-logo > *{
    margin: 0;
}
.main {
    display: flex;
    gap: calc(4vw - 20px);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 20px;
}
.article{
    flex: 1;
}
.aside {
    width: 300px;
    flex-shrink: 0;
    /* padding: 12px; */
}
.tool__inner {
    padding: 40px 0;
    background: #f0f0f0;
    border: 8px solid #ffffff;
    /* box-shadow: 2px 2px 4px rgba(0, 0, 0, .2); */
}
@media(max-width:820px){
    .main{
        display: block;
    }
}
.top-banner {
    /* box-shadow: 2px 2px 4px rgba(0, 0, 0, .2); */
    margin-bottom: 20px;
    color: currentColor;
    text-decoration: none;
    transition: box-shadow .3s;
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 2;
    gap: 0;
}
.top-banner:hover{
    box-shadow: 0px 0px 4px rgba(0, 0, 0, .3);
}
.top-banner__title {
    display: block;
    background: #ffffff;
    color: #244d73;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.25;
    margin: 0;
    margin-bottom: 0.5em;
}
.top-banner__desc{
    background: #ffffff;
    padding: 8px;
    padding-bottom: 20px;
    font-size: 14px;
}
.top-banner__desc p{
    margin: 0;
}
.link-banner{
    display: block;
    color: currentColor;
    text-decoration: none;
    transition: box-shadow .3s;
    margin-bottom: 20px;    
}
.link-banner__title {
    display: block;
    background: #ffffff;
    color: #244d73;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.25;
    margin: 0;
    padding: 8px;
}
.link-wrap{
    display: grid;
    grid-template-columns: repeat(auto-fill, 300px);
    /* column-count: 3; こいつが肝 */
    gap: 20px;
    align-items: flex-start;
    justify-content: center;
}
/*
polapis
ponopal
cotopal
comopal
pikagate
menouto

topalon
copalon

x copalin

tamenou

x colapis
x solapis
x monopal
x picopal
*/