/*!---------- Custom Styles Here ----------*/

/*!------------Google Map--------------*/
.ggmap {
position: relative;
padding-bottom: 56.25%;
padding-top: 30px;
height: 0;
overflow: hidden;
}
 
.ggmap iframe,
.ggmap object,
.ggmap embed {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}

/*!------------Google Cal--------------*/

.cal_wrapper {
max-width: 960px;
min-width: 300px;
margin: 2.0833% auto;
}

.googlecal {
position: relative;
padding-bottom: 100%;
height: 0;
}

.googlecal iframe {
position: absolute;
top: 0;
left: 0;
width: 100% !important;
height: 100% !important;
}

@media only screen and (min-width: 768px) {
.googlecal { padding-bottom: 75%; }
}

/*!------------Button shadow--------------*/

.btn {
  display: inline-block;
  text-decoration :none;
  background: #faf9f6;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  transition: .3s;
}

.sample:hover {
  box-shadow: 0 0 2px rgba(0,0,0,0.2);
}

/*!------------List design--------------*/
dl {
  border: solid 0px #faf9f6;
  padding: 0 0.5em;
  position: relative;
}

dl li {
  line-height: 1.5;
  padding: 0.5em 0 0.5em 1.4em;
  border-bottom: dashed 1px silver;
  list-style-type: none!important;
}

dl li:before {
  font-family: "Font Awesome 5 Free";
  font-weight:900;
  content: "\f138";/*アイコン種類*/
  position: absolute;
  left : 0.5em; /*左端からのアイコンまで*/
  color: #292929; /*アイコン色*/
}

dl li:last-of-type{
  border-bottom: none;
}

--------------*/

ol {
  border: solid 2px #faf9f6;
  padding: 0 0.5em;
  position: relative;
}


--------------*/
ul {
  border: solid 2px #faf9f6;
  padding: 0 0.5em;
  margin: 10px 20px;
  position: relative;
}



/*!------------Fukidashi design--------------*/

.balloon4 {
    position: relative;
    margin: 2em 0 -2em 40px;
    padding: 15px;
    background: #fff0c6;
    border-radius: 30px;
}

.balloon4:before{    
    content: "";
    position: absolute;
    left: -38px;
    width: 13px;
    height: 12px;
    bottom: 0;
    background: #fff0c6;
    border-radius: 50%;
}

.balloon4:after{
    content: "";
    position: absolute;
    left: -24px;
    width: 20px;
    height: 18px;
    bottom: 3px;
    background: #fff0c6;
    border-radius: 50%;
}
.balloon4 p {
    margin: 0; 
    padding: 0;
}

/*!------------box design--------------*/
.box11{
    padding: 0.5em 1em;
    margin: 2em 0;
    color: #292929;
    background: #ffffff;
    border-top: solid 5px #292929;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.22);
}
.box11 p {
    margin: 0; 
    padding: 0;
}

/*!------------写真を丸くする design--------------*/
.img1 { border-radius: 10px; }

/*!------------写真を丸くし、大きさを指定する design--------------*/

.img2 { border-radius: 10px;  width: 400px;  height: auto;}



/*!------------カード design--------------*/

html {
  font-family: system-ui;
  -webkit-font-smoothing: antialiased;
}

header {
  width: 90%;
  max-width: 1240px;
  margin: 0 auto;
}

.band {
  width: 90%;
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto;
  grid-gap: 20px;
}
@media (min-width: 30em) {
  .band {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 60em) {
  .band {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background: white;
  text-decoration: none;
  color: #444;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  position: relative;
  top: 0;
  transition: all 0.1s ease-in;
}
.card:hover {
  top: -2px;
  box-shadow: 0 4px 5px rgba(0, 0, 0, 0.2);
}
.card article {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.card h1 {
  font-size: 20px;
  margin: 0;
  color: #333;
}
.card p {
  flex: 1;
  line-height: 1.4;
}
.card span {
  font-size: 12px;
  font-weight: bold;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 2em 0 0 0;
}
.card .thumb {
  padding-bottom: 60%;
  background-size: cover;
  background-position: center center;
}

@media (min-width: 60em) {
  .item-1 {
    grid-column: 1/span 2;
  }
  .item-1 h1 {
    font-size: 24px;
  }
}

/*!------------写真を横並びにする--------------*/
.top-banner{
	display: flex;
	flex-wrap:wrap;
}
.top-banner li {
	width: calc(100%/2);/*←画像を横に4つ並べる場合*/
	padding:3px 3px;/*←画像の左右に5pxの余白を入れる場合*/
	box-sizing:border-box;
}
.top-banner li img {
	max-width:100%; /*画像のはみだしを防ぐ*/
	height: auto; /*画像の縦横比を維持 */
	border:solid 1px #ccc; /*←画像を1pxのグレーの枠線で囲む指定の場合*/
}

/*!------------YouTubeをレスポンシブルにする--------------*/
.contain {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 56.25%;
}

.contain iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/*!------------ボタンを中央寄せ--------------*/
<style>
.example{
    /*コレ*/display: flex;
    /*コレ*/align-items: center;
    /*コレ*/justify-content: center;
}
</style>