html,body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

input,select,textarea,button{
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type="radio"]{
    -webkit-appearance: auto;
    -moz-appearance: auto;
    appearance: auto;
}

.must-icon{
    position: relative;
}
.must-icon::after {
	content: "必須";
    display: inline-block;
	color: #fff;
    background-color: #ce1039;
	padding: 0.1rem 0.4rem;
    margin-left: 0.4rem;
	font-size: 0.7rem;
    border-radius: 6px;
    vertical-align: text-top;
}

.accordion::after{
    content: url('../assets/images/icon-add.png');
    position: absolute;
    right: 0rem;
    top: 54%;
    transform: translateY(-50%) scale(0.65);
}
.accordion.open::after{
    content: url('../assets/images/icon-minus.png');
}