body {
    font-family: メイリオ;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
@media only screen and (max-width:810px) {
    /*header top */
    .header_img {
        width: 100%;
        height: auto;
    }
    .header_top {
        position: relative;
    }
    .header_top h2 {
        position: absolute;
        color: black;
        top: 40%;
        right: 7%;
        font-size: 20px;
        font-weight: lighter;
    }
    .header_top h1 {
        position: absolute;
        color: black;
        top: 90%;
        left: 3%;
        font-size: 25px;
        font-weight: lighter;
    }
    /*雲*/
    section {
        position:relative;
        display: inline-block;
        width:200px;
        height:200px;
        transform: scale(0.4);
        left: -20px;
    }
    .cloud {
        position: absolute;
        width: 100px;
        height: 100px;
        background: #658DAA;
        border-radius: 50%;
        box-shadow:
        -50px 13px 0 -12px #658DAA,
        60px 21px 0 -22px #658DAA,
        0 -5px 0 1px #658DAA,
        -50px 9px 0 3px #658DAA,
        60px 18px 0 -7px #658DAA;
    }
    .cloud:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: -10px;
        display: block;
        width: 120px;
        height: 30px;
        background: #658DAA;
        box-shadow: 0 12px 0 0px #658DAA;
    }
    /*枠*/
    .normal-box2{
        margin: 1em 0;
        padding: 1em;
        border: solid 3px #658DAA;
        border-radius: 17px;
        position: absolute;
        top: 39%;
        left: 2%;
        width: 95%;
    }
    .normal-box2 h3{
        margin: 0;
        padding: 0;
        font-size: 25px;
        Text-align:center;
        font-weight: lighter;
    }
    /*横線*/
    .title {
        border-top: 3px solid #658DAA;
        position: relative;
    }
    .title .contact {
        position: absolute;
        color: black;
        top: 0px;
        right: 0;
        font-weight:  bold;
    }
    /*main*/
    .item-list .item .notice {
        margin: 10px 0 0;
        padding: 0 20px;
        font-size: 10px;
    }
    .item-list .item .description {
        margin: 5px 0 0;
        padding: 0 20px;
        font-size: 7px;
        text-align: right;
    }
    .item-list {
        display: flex;
        justify-content: space-between;
        margin-left: 3%;
    }
    .item {
        width: 32%;
        margin-top: 50px;
        margin-bottom: 70px;
        padding: 0 0 22px 0;
        box-sizing: border-box;
        background: white;
        box-shadow: 0 0 10px gray;
        border-radius: 17px;
    }
    .item a {
        text-decoration: none;
        color: black;
    }
    /*矢印*/
    .arrow {
        position:relative;
        right: 40px;
        margin-top: 120px;
    }
    .arrow.-right{
        width: 20px;
        height: 4px;
        border-right: 2px solid #658DAA;
        border-bottom: 2px solid #658DAA;
        transform: skew(45deg);
    }
    /*ラジオボタン*/
    .map_select img {
        position: relative;
        width: 100%;
        height: 655px;
        object-fit: cover;
    }
    /*空港・協賛企業共通ボタン*/
    .link li {
        list-style: none;
        font-size: 10px;
        color: white;
    }
    .link a {
        text-decoration: none;
        color: #949595;
    }
    /*空港ボタン*/
    .airport_List_1 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 90px;
        text-align:center;
        border-radius: 10px;
        right: 230px;
        top: 1155px;
    }
    .airport_List_1::before, .airport_List_1::after {
        content: '';
        width: 110px;
        height: 30px;
        position: absolute;
    }
    .airport_List_1::before {
        border-right: solid 2px #949595;
        border-left: none;
        border-top: solid 2px #949595;
        top: 8px;
        left: 87px;
    }
    .airport_List_2 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 80px;
        text-align:center;
        border-radius: 10px;
        right: 50px;
        top: 1260px;
    }
    .airport_List_2::before, .airport_List_2::after {
        content: '';
        width: 55px;
        height: 15px;
        position: absolute;
    }
    .airport_List_2::before {
        border-left: solid 2px #949595;
        border-top: solid 2px #949595;
        top: 6px;
        right: 78px;
    }
    .airport_List_3 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 100px;
        text-align:center;
        border-radius: 10px;
        right: 35px;
        top: 1450px;
    }
    .airport_List_3::before, .airport_List_3::after {
        content: '';
        width: 30px;
        height: 20px;
        position: absolute;
    }
    .airport_List_3::before {
        border-left: solid 2px #949595;
        border-top: solid 2px #949595;
        top: 6px;
        right: 96px;
    }

    .airport_List_4 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 100px;
        text-align:center;
        border-radius: 10px;
        right: 245px;
        top: 1555px;
    }

    .airport_List_4::before, .airport_List_4::after {
        content: '';
        width: 27px;
        height: 50px;
        position: absolute;
    }

    .airport_List_4::before {
        border-left: solid 2px #949595;
        border-bottom: solid 2px #949595;
        right: 95px;
        bottom: 7px;
    }

    .airport_List_5 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 120px;
        text-align:center;
        border-radius: 10px;
        left: 40px;
        top: 1510px;
    }
    .airport_List_5::before, .airport_List_5::after {
        content: '';
        width: 79px;
        height: 25px;
        position: absolute;
    }
    .airport_List_5::before {
        border-right: solid 2px #949595;
        border-top: solid 2px #949595;
        top: 6px;
        left: 115px;
    }
    .airport_List_6 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 80px;
        text-align:center;
        border-radius: 10px;
        left: 278px;
        top: 1675px;
    }
    .airport_List_6::before, .airport_List_6::after {
        content: '';
        width: 40px;
        height: 30px;
        position: absolute;
    }
    .airport_List_6::before {
        border-left: solid 2px #949595;
        border-bottom: solid 2px #949595;
        right: 77px;
        bottom: 7px;
    }
    .airport_List_7 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 80px;
        text-align:center;
        border-radius: 10px;
        left: 100px;
        top: 1690px;
    }
    .airport_List_7::before, .airport_List_7::after {
        content: '';
        width: 23px;
        height: 40px;
        position: absolute;
    }
    .airport_List_7::before {
        border-left: solid 2px #949595;
        border-right: none;
        border-bottom: solid 2px #949595;
        border-top: none;
        top: -35px;
        left: -25px;
    }

    /*協賛企業ボタン*/
    .sponsors_List_1 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 80px;
        text-align:center;
        border-radius: 10px;
        right: 250px;
        top: 1150px;
    }
    .sponsors_List_1::before, sponsors_List_1::after {
        content: '';
        width: 45px;
        position: absolute;
    }
    .sponsors_List_1::before {
        border-top: solid 2px #949595;
        top: 7px;
        left: 78px;
    }
    .sponsors_List_2 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        right: 53px;
        top: 1305px;
    }
    .sponsors_List_2::before, sponsors_List_2::after {
        content: '';
        width: 30px;
        position: absolute;
    }
    .sponsors_List_2::before {
        border-top: solid 2px #949595;
        top: 7px;
        right: 67px;
    }
    .sponsors_List_3 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        right: 51px;
        top: 1445px;
    }
    .sponsors_List_3::before, sponsors_List_3::after {
        content: '';
        width: 32px;
        position: absolute;
    }
    .sponsors_List_3::before {
        border-top: solid 2px #949595;
        top: 7px;
        right: 67px;
    }
    .sponsors_List_4 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        right: 255px;
        top: 1355px;
    }
    .sponsors_List_4::before, sponsors_List_4::after {
        content: '';
        height: 33px;
        position: absolute;
    }
    .sponsors_List_4::before {
        border-right: solid 2px #949595;
        top: 15px;
        left: 50px;
    }
    .sponsors_List_5 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        right: 300px;
        top: 1555px;
    }
    .sponsors_List_5::before, sponsors_List_5::after {
        content: '';
        height: 30px;
        position: absolute;
    }
    .sponsors_List_5::before {
        border-right: solid 2px #949595;
        bottom: 15px;
        left: 5px;
    }
    .sponsors_List_6 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        right: 465px;
        top: 1355px;
    }
    .sponsors_List_6::before, sponsors_List_6::after {
        content: '';
        height: 33px;
        position: absolute;
    }
    .sponsors_List_6::before {
        border-right: solid 2px #949595;
        top: 15px;
        left: 33px;
    }
    .sponsors_List_7 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        right: 410px;
        top: 1570px;
    }
    .sponsors_List_7::before, sponsors_List_7::after {
        content: '';
        height: 30px;
        position: absolute;
    }
    .sponsors_List_7::before {
        border-right: solid 2px #949595;
        bottom: 15px;
        left: 30px;
    }
    .sponsors_List_8 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        left: 115px;
        top: 1510px;
    }
    .sponsors_List_8::before, sponsors_List_8::after {
        content: '';
        height: 33px;
        position: absolute;
    }
    .sponsors_List_8::before {
        border-top: solid 2px #949595;
        border-right: none;
        top: 7px;
        left: 67px;
    }
    .sponsors_List_9 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        left: 60px;
        top: 1580px;
    }
    .sponsors_List_9::before, sponsors_List_9::after {
        content: '';
        height: 41px;
        position: absolute;
    }
    .sponsors_List_9::before {
        border-right: solid 2px #949595;
        top: 15px;
        left: 28px;
    }
    /*戻るボタン*/
    html {
        scroll-behavior: smooth;
    }
    .startbtn {
        position: fixed;
        margin-bottom: -30px;
        margin-right: 20px;
        width: 48px;
        height: 48px;
        text-decoration: none;
        background-color: #0261a5;
        display: block;
        text-align: center;
        border-radius: 24px;
        z-index: 100;
    }
    .startbtn::before {
        content: '\f062';
        font-family: 'Font Awesome 6 Free';
        font-size: 30px;
        font-weight: 900;
        color: #fff;
        line-height: 48px;
        z-index: 100;
    }
}
@media only screen and (max-width:768px) {
    /*header top */
    .header_img {
        width: 100%;
        height: auto;
    }
    .header_top {
        position: relative;
    }
    .header_top h2 {
        position: absolute;
        color: black;
        top: 40%;
        right: 7%;
        font-size: 15px;
        font-weight: lighter;
    }
    .header_top h1 {
        position: absolute;
        color: black;
        top: 90%;
        left: 3%;
        font-size: 25px;
        font-weight: lighter;
    }

    /*雲*/
    section {
        position:relative;
        display: inline-block;
        width:200px;
        height:200px;
        transform: scale(0.4);
        left: -10px;
    }
    .cloud {
        position: absolute;
        width: 100px;
        height: 100px;
        background: #658DAA;
        border-radius: 50%;
        box-shadow:
        -50px 13px 0 -12px #658DAA,
        60px 21px 0 -22px #658DAA,
        0 -5px 0 1px #658DAA,
        -50px 9px 0 3px #658DAA,
        60px 18px 0 -7px #658DAA;
    }
    .cloud:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: -10px;
        display: block;
        width: 120px;
        height: 30px;
        background: #658DAA;
        box-shadow: 0 12px 0 0px #658DAA;
    }
    /*枠*/
    .normal-box2{
        margin: 1em 0;
        padding: 1em;
        border: solid 3px #658DAA;
        border-radius: 17px;
        position: absolute;
        top: 39%;
        left: 4%;
        width: 94%;
    }
    .normal-box2 h3{
        margin: 0;
        padding: 0;
        font-size: 25px;
        Text-align:center;
        font-weight: lighter;
    }
    /*main*/
    .item-list .item .notice {
        margin: 10px 0 0;
        padding: 0 20px;
        font-size: 10px;
    }
    .item-list .item .description {
        margin: 5px 0 0;
        padding: 0 20px;
        font-size: 7px;
        text-align: right;
    }
    .item {
        width: 30%;
        margin-top: 50px;
        margin-bottom: 70px;
        padding: 0 0 22px 0;
        box-sizing: border-box;
        background: white;
        box-shadow: 0 0 10px gray;
        border-radius: 17px;
    }
    .item-list {
        display: flex;
        justify-content: space-between;
        margin-left: 3%;
    }
    .item a {
        text-decoration: none;
        color: black;
    }
    /*横線*/
    .title {
        border-top: 3px solid #658DAA;
        position: relative;
    }
    .title .contact {
        position: absolute;
        color: black;
        top: 0px;
        right: 0;
        font-weight:  bold;
    }
    /*矢印*/
    .arrow {
        position:relative;
        right: 40px;
        margin-top: 120px;
    }
    .arrow.-right{
        width: 20px;
        height: 4px;
        border-right: 2px solid #658DAA;
        border-bottom: 2px solid #658DAA;
        transform: skew(45deg);
    }
    /*ラジオボタン*/
    .map_select img {
        position: relative;
        width: 100%;
        height: 655px;
        object-fit: cover;
    }
    /*空港・協賛企業共通ボタン*/
    .link li {
        list-style: none;
        font-size: 10px;
        color: white;
    }
    .link a {
        text-decoration: none;
        color: #949595;
    }
    /*空港ボタン*/
    .airport_List_1 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 90px;
        text-align:center;
        border-radius: 10px;
        right: 205px;
        top: 1125px;
    }
    .airport_List_1::before, .airport_List_1::after {
        content: '';
        width: 110px;
        height: 30px;
        position: absolute;
    }
    .airport_List_1::before {
        border-right: solid 2px #949595;
        border-left: none;
        border-top: solid 2px #949595;
        top: 8px;
        right: 87px;
    }
    .airport_List_2 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 75px;
        text-align:center;
        border-radius: 10px;
        right: 40px;
        top: 1240px;
    }
    .airport_List_2::before, .airport_List_2::after {
        content: '';
        width: 50px;
        height: 15px;
        position: absolute;
    }
    .airport_List_2::before {
        border-left: solid 2px #949595;
        border-top: solid 2px #949595;
        top: 6px;
        right: 73px;
    }
    .airport_List_3 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 90px;
        text-align:center;
        border-radius: 10px;
        right: 35px;
        top: 1430px;
    }
    .airport_List_3::before, .airport_List_3::after {
        content: '';
        width: 20px;
        height: 20px;
        position: absolute;
    }
    .airport_List_3::before {
        border-left: solid 2px #949595;
        border-top: solid 2px #949595;
        top: 6px;
        right: 86px;
    }

    .airport_List_4 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 100px;
        text-align:center;
        border-radius: 10px;
        right: 225px;
        top: 1535px;
    }

    .airport_List_4::before, .airport_List_4::after {
        content: '';
        width: 27px;
        height: 50px;
        position: absolute;
    }

    .airport_List_4::before {
        border-left: solid 2px #949595;
        border-bottom: solid 2px #949595;
        right: 95px;
        bottom: 7px;
    }

    .airport_List_5 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 100px;
        text-align:center;
        border-radius: 10px;
        left: 60px;
        top: 1485px;
    }
    .airport_List_5::before, .airport_List_5::after {
        content: '';
        width: 70px;
        height: 25px;
        position: absolute;
    }
    .airport_List_5::before {
        border-right: solid 2px #949595;
        border-top: solid 2px #949595;
        top: 6px;
        left: 98px;
    }
    .airport_List_6 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 80px;
        text-align:center;
        border-radius: 10px;
        left: 255px;
        top: 1650px;
    }
    .airport_List_6::before, .airport_List_6::after {
        content: '';
        width: 40px;
        height: 30px;
        position: absolute;
    }
    .airport_List_6::before {
        border-left: solid 2px #949595;
        border-bottom: solid 2px #949595;
        right: 77px;
        bottom: 7px;
    }
    .airport_List_7 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        left: 80px;
        top: 1665px;
    }
    .airport_List_7::before, .airport_List_7::after {
        content: '';
        width: 23px;
        height: 40px;
        position: absolute;
    }
    .airport_List_7::before {
        border-left: solid 2px #949595;
        border-right: none;
        border-bottom: solid 2px #949595;
        border-top: none;
        top: -35px;
        left: -25px;
    }

    /*協賛企業ボタン*/
    .sponsors_List_1 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 70px;
        text-align:center;
        border-radius: 10px;
        right: 229px;
        top: 1125px;
    }
    .sponsors_List_1::before, sponsors_List_1::after {
        content: '';
        width: 45px;
        position: absolute;
    }
    .sponsors_List_1::before {
        border-top: solid 2px #949595;
        top: 7px;
        left: 68px;
    }
    .sponsors_List_2 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        right: 40px;
        top: 1280px;
    }
    .sponsors_List_2::before, sponsors_List_2::after {
        content: '';
        width: 30px;
        position: absolute;
    }
    .sponsors_List_2::before {
        border-top: solid 2px #949595;
        top: 7px;
        right: 58px;
    }
    .sponsors_List_3 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        right: 40px;
        top: 1420px;
    }
    .sponsors_List_3::before, sponsors_List_3::after {
        content: '';
        width: 30px;
        position: absolute;
    }
    .sponsors_List_3::before {
        border-top: solid 2px #949595;
        top: 7px;
        right: 58px;
    }
    .sponsors_List_4 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        right: 250px;
        top: 1336px;
    }
    .sponsors_List_4::before, sponsors_List_4::after {
        content: '';
        height: 28px;
        position: absolute;
    }
    .sponsors_List_4::before {
        border-right: solid 2px #949595;
        top: 15px;
        left: 50px;
    }
    .sponsors_List_5 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        right: 300px;
        top: 1533px;
    }
    .sponsors_List_5::before, sponsors_List_5::after {
        content: '';
        height: 30px;
        position: absolute;
    }
    .sponsors_List_5::before {
        border-right: solid 2px #949595;
        bottom: 15px;
        left: 5px;
    }
    .sponsors_List_6 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        right: 455px;
        top: 1335px;
    }
    .sponsors_List_6::before, sponsors_List_6::after {
        content: '';
        height: 30px;
        position: absolute;
    }
    .sponsors_List_6::before {
        border-right: solid 2px #949595;
        top: 15px;
        left: 31px;
    }
    .sponsors_List_7 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        right: 395px;
        top: 1545px;
    }
    .sponsors_List_7::before, sponsors_List_7::after {
        content: '';
        height: 30px;
        position: absolute;
    }
    .sponsors_List_7::before {
        border-right: solid 2px #949595;
        bottom: 15px;
        left: 25px;
    }
    .sponsors_List_8 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        left: 103px;
        top: 1490px;
    }
    .sponsors_List_8::before, sponsors_List_8::after {
        content: '';
        height: 33px;
        position: absolute;
    }
    .sponsors_List_8::before {
        border-top: solid 2px #949595;
        border-right: none;
        top: 7px;
        left: 58px;
    }
    .sponsors_List_9 {
        position: absolute;
        background-color: #fff;
        border: solid 2px #949595;
        width: 60px;
        text-align:center;
        border-radius: 10px;
        left: 35px;
        top: 1560px;
    }
    .sponsors_List_9::before, sponsors_List_9::after {
        content: '';
        height: 41px;
        position: absolute;
    }
    .sponsors_List_9::before {
        border-right: solid 2px #949595;
        top: 15px;
        left: 28px;
    }
    /*戻るボタン*/
    html {
        scroll-behavior: smooth;
    }
    .startbtn {
        position: fixed;
        margin-bottom: -30px;
        margin-right: 20px;
        width: 48px;
        height: 48px;
        text-decoration: none;
        background-color: #0261a5;
        display: block;
        text-align: center;
        border-radius: 24px;
        z-index: 100;
    }
    .startbtn::before {
        content: '\f062';
        font-family: 'Font Awesome 6 Free';
        font-size: 30px;
        font-weight: 900;
        color: #fff;
        line-height: 48px;
        z-index: 100;
    }
}