#global-navi {
    background-color: #fff;
}
#contents{
    color: #354759;
    padding-left: 270px;
}
.slide-wrapper{
    background-color: #f4f4f4;    
    padding: 30px;
}
.slide{
    min-height: 468px;
    height: calc(65vw - 333px);
    padding: 4vh 5vw;
    border: 2px solid white;
}
.icon-img{
    position: absolute;
    width: 50px;
    height: 50px;

}
#contents-header{
    background-color: #EFC1C7;
    display: flex;
}
#contents-header-img{
    flex: 568;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
#contents-header-main-img{
    width: 90%; /* 画像の幅 */
    height: 90%; /* 画像の高さ */
    background: url('/alumni/img/cookie.jpg') no-repeat center center;
    background-size: cover;
    border-radius: 60% / 30%; /* 楕円形にするための比率 */
    border: 2px solid white;
    overflow: hidden;
}
.contents-header-sub-img{
    background: url('/alumni/img/cosmos.png') no-repeat center center;
    background-size: cover;
}
#contents-header-sub-img-top{
    top: 7%;
    left: 7%;
}
#contents-header-sub-img-bottom{
    bottom: 7%;
    right: 7%;
}
#contents-header-title{
    flex: 669;
    position: relative;
}
#contents-header-title-img-top, #contents-header-title-img-bottom{
    display: none;
}
#contents-header-main-title{
    font-size: 36px;
    position: absolute;
    top: 25%;
    left: 12%;
}
#contents-header-subtitle{
    border: 2px solid #fff;
    text-align: center;
    font-size: 22px;
    line-height: 60px;
    position: absolute;
    top: 71%;
    left: 2%;
    width: 100%;
}
#contents-main{
    background-color: #EDE0D1;
    display: flex;
}
#contents-main-message{
    flex: 1003;
    position: relative;
    display: flex;
    align-items: center;
}
#img-on-message{
    position: absolute;
    width: 100px; 
    height: 100px; 
    background: url('/alumni/img/star.png') no-repeat center center;
    background-size: cover;
    transform: translate(-50%,-50%);
    top: 8%;
    left: 70%;
}
#message{
    font-size: 18px;
}
#message-contact{
    text-align: right;
    margin: 0;
}
.contents-main-sub-img{
    background: url('/alumni/img/himawari.png') no-repeat center center;
    background-size: cover;
    width: 75px; 
    height: 75px; 
}
#img-under-message{
    display: none;
}
#contents-main-imgs{
    flex: 339;
    display: flex;
    justify-content: center;
    position: relative;
}
#contents-main-imgs-cake{
    width: 90px; 
    height: 90px; 
    position: absolute;
    background: url('/alumni/img/cake.jpg') no-repeat center center;
    background-size: cover;
    overflow: hidden;
    border-radius: 5%;
    top: 5%;
}
#contents-main-imgs-icon{
    top: 70%;
    left: 50%;
}

/* 文字サイズ、画像サイズ調整 */
@media(min-width: 801px) and (max-width:900px) {
    #img-on-message{
        width: 75px; 
        height: 75px; 
        left: 75%;
    }
}
@media(min-width: 1200px) {
    #contents-header-main-title{
        font-size: 50px;
    }
    #contents-header-subtitle{
        font-size: 32px;
        line-height: 90px;
    }
    #message{
        font-size: 22px;
    }
    #contents-main-imgs-cake{
        width: 150px; 
        height: 150px; 
    }
}
@media(min-width: 1450px) {
    .icon-img{
        width: 75px; 
        height: 75px; 
    }
    #contents-header-main-title{
        font-size: 75px;
    }
    #contents-header-subtitle{
        font-size: 32px;
    }
    #img-on-message{
        width: 150px; 
        height: 150px; 
    }
    #message{
        font-size: 32px;
    }
    #contents-main-imgs-cake{
        width: 200px; 
        height: 200px; 
    }
    #contents-main-imgs-icon{
        width: 100px; 
        height: 100px; 
    }
}

@media(min-width: 1800px) {
    .icon-img{
        width: 100px; 
        height: 100px; 
    }
    #contents-header-main-title{
        font-size: 90px;
    }
    #contents-header-subtitle{
        font-size: 45px;
        line-height: 120px;
    }
    #img-on-message{
        width: 200px; 
        height: 200px; 
    }
    #message{
        font-size: 44px;
    }
    #contents-main-imgs-cake{
        width: 275px; 
        height: 275px; 
    }
    #contents-main-imgs-icon{
        width: 150px; 
        height: 150px; 
    }
}

/* メニュー位置対応 */
@media(max-width: 800px) {
    #global-navi{
        position: fixed;
        box-shadow: 0px 2px 4px rgb(0 0 0 / 15%);
    }
    #contents{
        padding-left: 0;
    }    
    #top-slide-wrapper{
        padding-top: 120px;
    }
}

/* レイアウト変更 */
@media(max-width: 600px) {
    #contents-main-slide-silter{
        width: 100%; 
        background: url('/alumni/img/cookie.jpg') no-repeat center center;
        background-size: cover;
        overflow: hidden;
    }
    #contents-header {
        background-color: rgba(255, 255, 255, .75);;
        backdrop-filter: blur(8px);
    }
    #contents-header-img, #contents-main-imgs{
        display: none;
    }
    #contents-header-title{
        text-align: center;
    }
    #contents-header-title-img-top{
        display: block;
        top: 13%;
        left: 20%;
    }
    #contents-header-title-img-bottom{
        display: block;
        bottom: 37%;
        right: 19%;
    }
    #contents-header-main-title{
        width: 100%;
        left: 0;
    }
    #contents-main, #contents-main-message, #img-on-message, #img-under-message{
        position: relative;
        display: block;
    }
    #img-on-message{
        height: 60px;
        left: 90%;
        margin-top:2%;
    }
    #contents-main{
        height: auto;
    }
}
@media(max-width: 450px) {
    #message{
        font-size: 14px;
    }
    #message-contact{
        margin-top: 14px;
    }
    #img-under-message{
        width: 50px;
        height: 50px;
    }
}