*{
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: default;
    font-family: 'Kosugi Maru', sans-serif;
    color: #fff;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
*::-webkit-scrollbar {
    width: 20px;
}
*::-webkit-scrollbar-track {
  border-radius: 20px;
  box-shadow: inset 0 0 6px rgba(0, 0, 0, .1);
}
*::-webkit-scrollbar-thumb {
  background-color: #33333388;
  border-radius: 20px;
  box-shadow:0 0 0 1px rgba(255, 255, 255, .3);
}
body{
    background-color: #111;
    overflow: hidden;
}
/*==========Header==========*/
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 80px;
    padding: 10px 0 10px 0;
}
header div{
    position: absolute;
    top: 10px;
    left: 0;
    height: 60px;
    width: 270px;
    margin: 0 0 0 50px;
    background-color: #222;
    border: #aaa 1px solid;
    border-radius: 8px;
    cursor: pointer;
}
header span{
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    font-size: 30px;
    margin: 6.5px 6.5px 6.5px 67.5px;
    cursor: pointer;
}
header img{
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 50px;
    height: 50px;
    margin: 4px 5px 4px 4px;
    cursor: pointer;
}
/*==========Footer==========*/
footer{
    position: fixed;
    bottom: 0;
    left: 0;
    height: 50px;
    width: 100vw;
    padding: 10px 0 10px 0;
}
footer div{
    text-align: center;
}
/*==========-Main-==========*/
main{
    position: fixed;
    top: 80px;
    left: 15vw;
    width: 70vw;
    overflow-x: hidden;
    overflow-y: auto;
    background-color: #151515;
    border: #aaa 1px solid;
    padding: 10px;
}
a{
    cursor: pointer;
}
p{
    text-indent: 1em;
}
img{
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -khtml-user-select:none;
    -webkit-user-drag:none;
    -khtml-user-drag:none;
}
ul{
    -webkit-padding-start: 40px
}
li{
    list-style-type: circle;
    list-style-position:outside;
}
input{
    background-color: #151515;
    border: #aaa 1px solid;
    margin: 2px;
    padding: 2px;
}
h2{
    padding-left: 1em;
    margin: 5px;
    margin-top: 20px;
}
input,textarea{
    background-color: #151515;
    border: #aaa 1px solid;
    margin: 2px;
    padding: 2px;
}
#log_area{
    border: #aaa 1px solid;
    padding: 15px;
    width: max-content;
    max-height: 14em;
    line-height: 1.4em;
}
@media screen and (max-width: 959px) {
    main{
        width: 90vw;
        left: 5vw;
    }
}
@media screen and (max-width: 480px) {
    main{
        width: 98vw;
        left: 1vw;
    }
}
@media screen and (max-width: 330px) {
    header div{
        width: 60px;
    }
    header span{
        display: none;
    }
}
pre{
    border: #aaa 1px solid;
}