@charset "UTF-8";

header { background-color:#fefefe; padding-top:60px; padding-bottom:40px; }

h1 { font-size:28px; font-weight: normal; text-indent: 0.5em; letter-spacing: 0.5em; margin:auto; text-align:center; padding-top:40px; position:relative; }
h1::before { content: ""; display: block; position: absolute; width:50px; height:37px; top:0; left:50%; transform: translateX(-50%); background:url("../img/icon_img01.png"); background-repeat: no-repeat; background-size: contain; }
h1::after { content: ""; display: none; }
@media (max-width:900px) {
    header { padding-top:50px; padding-bottom:30px; }
    h1 { font-size:21px; padding-top:26px; }
    h1::before { width:32px; }
}

div#main_img { position:relative; height:240px; z-index: -1; }
div#main_img::before { content: ''; position:fixed; width:100%; height:50vh; z-index: -1; top:0; background:url("../img/main_culture.webp"); background-size: cover; background-position: center center; background-repeat: no-repeat;  }
div#main_img::after { content: ''; display: block; position:absolute; left:0; bottom:-10px; width:100%; height: 20px; background: linear-gradient(to right, #cdf4f4, #99c2c4); }

@media (max-width:900px) {
    div#main_img { height:150px; }
    div#main_img::after { height:10px; bottom:-5px; }
}



div#logo_icon { position:fixed; left:30px; top:30px; width:35%; max-width:250px; z-index: 10000; }
div#logo_icon img { width:100%; }
@media (max-width:900px) {
    div#logo_icon { top:15px; left:20px; }
}


div#culture_block { margin:auto; padding-top:10px; padding-bottom:100px; width:100%; position: relative; background:linear-gradient(to bottom, #fefefe 0%, #ecf4f4 30%, #cbe3e5 100%); }
div#culture_area { width:84%; max-width:900px; margin:auto; padding:100px 110px 20px; background-color:#fafdff; border-radius: 2px; box-sizing: border-box; }
@media (max-width:900px) {
    div#culture_area { padding:7%; }
}


div.culture_content { width:100%; display: flex; flex-direction: column; margin-bottom:80px; }
div.culture_content > h2 { font-size:24px; font-weight: normal; letter-spacing: 0.1em; line-height: 1.4; text-align:center; order:2; margin-bottom:20px; position:relative; }
div.culture_content > h2::first-letter { font-size:32px; color:#219BBf; }
div.culture_content > h2 > span { font-size:20px; }
div.culture_photo  { width:100%; order: 1; position:relative; }
div.culture_photo::after { content:""; display: block; text-align:center; margin:20px auto 10px; position:relative; width:1px; height:4em; background-color:#333; }
div.culture_photo.photo_vertical { height:auto; }
div.culture_photo.photo_vertical > img { height:480px; }
div.culture_photo > img { width:100%; object-fit: contain;  }
div.culture_txt { order:3; }
div.culture_txt > p { letter-spacing: 1px; margin-bottom:10px; line-height: 1.8; }
@media (max-width:900px) {
    div.culture_content { margin-bottom:50px; }
    div.culture_content > h2 { font-size:18px; }
    div.culture_content > h2::first-letter { font-size:26px; }
    div.culture_content > h2 > span { font-size:15px; }
    div.culture_photo::after { height:2.6em; }
    div.culture_photo.photo_vertical > img { height:200px; }
    div.culture_txt > p { line-height: 1.6; }
}