.mail-form {
	border: 0px solid red;
	background: rgba(34, 34, 34, 0.9);
	box-shadow: 0 12px 10px -6px rgba(0, 0, 0, .25);
	width: 100%;
	margin: 0 auto;
	padding: 0;
}

.mail-form dl {
	display: flex;
	flex-wrap: wrap;
	border: 0px solid green;
	margin: 0;
	padding: 0;
}

.mail-form dt {
	border: 0px solid limegreen;
	border-top: 1px solid #ccc;
	background: rgb(0, 0, 0, 0.8);;
	box-sizing: border-box;
	font-size: 90%;
	font-weight: bold;
	width: 30%;
	padding: 10px;
}

.contact span {
	color: red;
	font-size: 75%;
}


.mail-form dd {
	border: 0px solid pink;
	border-left: 1px solid #ccc;
	border-top: 1px solid #ccc;
	box-sizing: border-box;
	width: 70%;
	margin: 0;
	padding: 10px;
}

.mail-form dd textarea {
	/*お問い合わせ内容のテキストエリアのサイズ*/
	width: 100%;
	height: 200px;
	resize: vertical;
	border: 1px solid #fff;
}

.long-input input {
	/*企業名やメアドの入力欄の幅*/
	width: 100%;
	border: 1px solid #ffffff;
}

.checklist-passage {
	border: 0px solid red;
	line-height: 1.5em;
	width: 100%;
	margin: 0;
	padding: 0;
}

@media (max-width: 649px) {

	/*スマホなどで見た時用*/
	.mail-form {
		border: 0px solid red;
        background: rgba(34, 34, 34, 0.9);
        width: 100%;
        max-width: 480px;
        min-width: 375px;
        margin: 0 auto;
        padding: 0;
	}

	.mail-form dl {
		flex-flow: column nowrap;
	}

	.mail-form dt {
		border: 0px solid limegreen;
		border-top: 1px solid #ccc;
		background: #222222;
		box-sizing: border-box;
		font-size: 90%;
		font-weight: bold;
		width: 100%;
		padding: 10px;
	}

	.mail-form dd {
		border: 0;
		width: 100%;
	}

	.mail-form dd textarea {
		/*お問い合わせ内容のテキストエリアのサイズ*/
		width: 100%;
		resize: vertical;
	}

	.long-input input {
		border: 1px solid #fff;
		/* width: 200px; */
	}

	.checklist-passage {
		width: 100%;
		margin: 0;
		padding: 0;
	}
}