:root{
    --font-color:#000;
    --base-color:#fff;
    --main-color:#00AA71;
    --accent-color01:#CF4B48;
    --accent-color02:#518FC1;
    --accent-color03:#D9D9D9;
    --accent-color04:#6E7B8B;
    --accent-color05:#FFA726;
}
body{
    font-size: 18px;
    font-family: "Noto Sans JP", sans-serif;
    text-align: justify;
    @media screen and (max-width: 800px) {
        font-size: 14px;
    }
}
img{
    width: 100%;
    height: 100%;
    display: block;
}
p{
    line-height: 1.5;
}
.align_center{
    text-align: center;
}
.sp{
    @media screen and (max-width: 800px) {
        display: none;
    }
}
.pc{
    @media screen and (min-width: 501px) {
        display: none;
    }
}
h1{
    text-align: center;
    line-height: 1.5;
    color: var(--base-color);
    background-color: var(--main-color);
    font-size: clamp(20px,1.87vw,36px);

}
h2{
    margin: 30px auto;
    padding: 10px;
    font-size: clamp(16px,1.5vw,28px);
    text-align: center;
}
section{
    @media screen and (min-width: 801px) {
        font-size:clamp(16px,1.5vw,18px);
    }
}
/* WRAPPER */
.WRAPPER{
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}
section{
    width: 80%;
    max-width: 1100px;
    margin: 30px auto;
    @media screen and (max-width: 800px) {
        width: 100%;
    }
}
/* HEADER */
.HEADER{
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin: 20px 0;
}
.HEADER .logo img{
    width: 300px;
    @media screen and (max-width: 800px) {
        width: 200px;
    }
}
.HEADER a:hover{
    opacity: 0.5;
}
/* ARROW */
.CLOSE-LINK{
  font-size: 10px;
}
.ARROW{
    display: block;
    position: relative;
    width: 25px;
    height: 1px;
    background: currentColor;
    margin-bottom: 1rem;
}
.ARROW::before{
    content: '';
    width: 15px;
    height: 15px;
    border: 1px solid currentColor;
    border-right: 0;
    border-bottom: 0;
    transform: rotate(-45deg);
    transform-origin: top left;
    position: absolute;
    top: 50%;
    left: -0.05em;
    box-sizing: border-box; 
}

/* INTRODUCTION */

.INTRODUCTION p{
    text-align: center;
    line-height: 2.1;
}

.IMG{
    aspect-ratio: 600 / 350;
    margin-top: 10px;
    background-color: var(--accent-color03);
    max-width: 600px;
    /* height: 350px; */
}