@font-face {
    font-family:font;
    src:url("../font/KosugiMaru-Regular.woff2");
}

@font-face {
    font-family:cute;
    src:url("../font/BeginningOfSpring-Regular.ttf");
    /** font made by rice.place!! **/
}

* {
    box-sizing: border-box;
}

body {
  font-size: 16px;
  color: #000000;
  background-color: white;
  background-image: url('https://i.imgur.com/1DCOa4w.jpeg');
  background-repeat:no-repeat;
  background-attachment:fixed;
  image-rendering: pixelated;
}
.container {
    width: 650px;
    border:4px double #a4a9ae;
    height: 100dpv;
    margin: auto;
    padding: 10px;
    background-color: rgba(30, 30, 30, 0.5);
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}
header {
    position: relative;
    padding: 80px;
    background: transparent;
    background-image: url(https://i.imgur.com/0j7md8v.png);
    background-size: cover;
    background-position: center;
    text-align: center;
    font-weight: bold;
    border: 1px solid var(--border);
    border-top: none;
    border-bottom: 1px solid var(--border);
    box-shadow: -2px 0 2px -2px var(--boxshadow), 2px 0 2px -2px var(--boxshadow);
}
main {
    border: 1px dashed #a4a9ae;
    width: 100%;
    height: 100%;
    padding: 0px;
    box-sizing: border-box;
    background-color: rgb(202, 202, 202);
    display: flex;
}

.left {
    color: black;
    border-right: 1px dashed #a4a9ae;
    padding: 10px;
    width: 50%;
    overflow: auto;
}

.hi {
    border: 1px dashed #000000;
    position: sticky;
}

iframe {
    margin-top: 10px;
    margin-bottom: 10px;
}

#calendar {
    margin: auto;
}

.tablinks {
    border:none;
    background-color:transparent;
    text-decoration:underline;
    text-shadow: -1px -1px 0 #ffffff, 1px -1px 0 #ffffff, -1px 1px 0 #ffffff, 1px 1px 0 #ffffff;
    color:#000000;
    font-family:font;
    font-size:15px;
    text-align:left;
    transition: 0.3s;
}

.tablinks:hover {
    border:none;
    background-color:transparent;
    text-decoration:underline;
    text-shadow: -1px -1px 0 #8d8d8d, 1px -1px 0 #8d8d8d, -1px 1px 0 #8d8d8d, 1px 1px 0 #8d8d8d;
    color:#000000;
    font-family:font;
    font-size:15px;
    font-weight:normal;
    cursor: url('/kuro.png'), auto;
}

ul {
    padding-left:20px;
    margin-top:8px;
    line-height: 1.7;
}

.title {
    padding:5px;
    border:1px dashed #b2c8df;
    text-shadow: -1px -1px 0 #ffffff, 1px -1px 0 #ffffff, -1px 1px 0 #ffffff, 1px 1px 0 #ffffff;
    border-radius: 10px;
    font-weight:bold;
    font-size:14px;
}

.right {
    width: 100%;
    padding: 10px;
    overflow: auto;
}

blockquote {
    margin-left: 10px;
    padding-left: 10px;
    border-left: 2px solid #b2c8df;
}

textarea {
    width: 100%;
    height: fit-content;
    resize: none;
}

@media (max-width: 800px) {
  body {
    padding:0;
    margin: 0;
    display:flex;
  }
  .container {
    width: 100%;
    display: flex;
    flex-direction: column;
  }
  main {
    width: 100%;
    display: flex;
    flex-direction: row;
  }
  .left {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width:50%;
  }
  .right {
    width: 100%;
    box-sizing: border-box;
  }
}