html {
	width: 100%;
    height: 100%;
    /*min-height: 100vh;
    min-height: 100dvh;*/
	font-size: 62.5%;
	user-select: none; /* 選択を禁止する */
}
body {
	width: 100%;
	height: 100%;
	/*min-height: 100vh;
    min-height: 100dvh;*/
	font-size: 16px;
	font-size: 1.6rem;
	line-height: 175%;
	font-family: "游ゴシック体", "游ゴシック", YuGothic, メイリオ, Meiryo, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "ＭＳ Ｐゴシック", "MS PGothic", Osaka, sans-serif;
    font-weight: 500;
	color: #000;
}
h1 {
	/*font-size: clamp(最小値, 推奨値, 最大値);*/
	font-size: clamp(30px, 4.0vw, 46px);
	line-height: 120%;
    text-shadow: 3px 3px 3px rgba(0,0,0,0.3);
}
h2,h3 {
    font-weight: bold;
}
@media screen and (max-width: 991px) {
    h2 {
        font-size: calc(2.0rem + (1vw - 0.38rem) * 1.2987);
    }
    h3 {
        font-size: calc(2.6rem + (1vw - 0.56rem) * 1.3921);
    }
}
@media screen and (min-width: 992px) {
    h2 {
        font-size: 2.8rem;
    }
    h3 {
        font-size: 3.0rem;
    }
}
h4 {
    font-size: 2.2rem;
    font-weight: bold;
}
h5 {
    font-size: 2.0rem;
    font-weight: bold;
    background-color: #000;
    color: #FFF;
    padding: 20px 5px 10px 10px;
    margin-bottom: 20px;
}
h6 {
    font-size: 1.8rem;
    font-weight: bold;
}
figure {
    margin-bottom: 0px;
}
.btn-app {
    position: relative;
}
picture {
    overflow: hidden;
    border-radius: 20px;
    border: 6px solid yellow;
    margin-bottom: 5px;
    display: block;
    box-shadow: 3px 3px 3px rgba(0,0,0,0.3);
}
.btn-app a {
    text-decoration: none;
    color: #000;
    text-align: center;
    text-shadow: 3px 3px 3px rgba(0,0,0,0.3);
}
.btn-app a::before {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: block;
}
.gradient {
    position: relative;
}
.gradient::before {
    content: "";
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-image: linear-gradient(to right top, #d16ba5, #ee758d, #f98b75, #f5a664, #e4c364, #d1d36f, #bbe284, #a2ef9f, #8ef3b3, #7bf7c8, #6af9dd, #5ffbf1);
    animation: huerotator 30s infinite ease-in;
    z-index: -1;
}

@keyframes huerotator {
    0% {
        -webkit-filter: hue-rotate(0deg);
        filter: hue-rotate(0deg);
    }
    100% {
        -webkit-filter: hue-rotate(360deg);
        filter: hue-rotate(360deg);
    }
}
@media screen and (min-width: 768px) {
    .gradient {
        height: 100dvh;
        display: flex;
        align-items: stretch;
    }
}