body {
    background-color: #585D84;
    font-family: "Kiwi Maru", serif;
}
main {
    max-width: 500px;
    /* height: 1660px; */
    margin: 0 auto;
    /* background-image: url(/img/chain-∞.png); */
    padding-bottom: 150px;
}


.flexbox {
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    font-weight: 370;
    color: #fff;
    text-align: center;
    font-size: 64px;
    margin: auto;
}

.map_title{
  margin: 50px 140px 0 140px;
  color: #333;
  font-size: 64px;
  background-color: #4A6483;
  border: 8px solid #fff;
  width: 280px;
  height: 112px;
  border-radius: 15px;
  display: flex;
  justify-content: center;
  text-align: center;
  align-items: center;
}
.map_name{
    font-style: normal;
    font-weight: 300;
    color: #ffffff;
    font-size: 48px;
    margin: 50px auto 30px auto;
    margin-top: 1em;
}
.map_attention{
  color: #fff;
  text-align: center;
  font-size: 24px;
  margin: 12px auto;
}

.map_building{
    margin-top: 25px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 25px;
}
.map_building button{
    width: 135px;
    height: 90px;
    font-size: 36px;
    margin: 0 10px 0 10px;
    background-color: #585D84;
    border: 5px solid #C7B29C;
    color: #d9d9d9;
    border-radius: 25px;
    font-family: "Kiwi Maru", serif;
}
.map_image{
    max-width: 450px;
}
.map_building button.btn.show {
    background: #eee;
    color: #000;
}



@media screen and (max-width: 480px) {

    h1 {
        font-size: 36px;
    }

    h2 {
        color: #ffffff;
        font-size: 3em;
        margin: auto;
        margin-top: 1em;
        font-weight: 300;
    }
    .map_title{
        width: 160px;
        height: 72px;
    }
    .map_name{
        font-size: 2.5em;
        margin: 30px auto 18px auto;
    }
    .map_attention{
        color: #fff;
        text-align: center;
        font-size: 18px;
        margin: 6px auto;
     }
    .map_building button{
        width: 90px;
        height: 60px;
        font-size: 24px;
    }
    .map_image{
        max-width: 300px;
    }
}

/* ====== 画像拡大モーダル ====== */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.8);
  justify-content: center;
  align-items: center;
}

.modal-content {
  max-width: 90%;
  max-height: 85%;
  border-radius: 12px;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}