h1 {
		font-size: 15px;
}
@media only screen and (max-width: 999px) {
		h1 {
				font-size: 11px;
		}
}

#menu-str {
    position: relative;
    top: -27px;
    left: 44px;
    display: flex;
    height: 12px;
    width: 45px;
		font-size: 11px;
		font-weight: bold;
    color: #2f4f4f;
}
.menu-btn {
    position: relative;
    top: 0px;
    left: 0px;
    display: flex;
    height: 40px;
    width: 40px;
    justify-content: center;
    align-items: center;
    z-index: 90;
    background-color: darkcyan;
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 3px;
    width: 22px;
    border-radius: 3px;
    background-color: #ffffff;
    position: absolute;
}
.menu-btn span:before {
    bottom: 8px;
}
.menu-btn span:after {
    top: 8px;
}

#menu-btn-check:checked ~ .menu-btn span {
    background-color: rgba(255, 255, 255, 0);/*メニューオープン時真ん中の線を透明にする*/
}
#menu-btn-check:checked ~ .menu-btn span::before {
    bottom: 0;
    transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
    top: 0;
    transform: rotate(-45deg);
}

#menu-btn-check {
    display: none;
}

.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 80;
    background-color: #000;
		opacity: 0.7;
}
.menu-content ul {
    padding: 40px 10px 0;
}
.menu-content ul li {
    border-bottom: solid 1px #ffffff;
    list-style: none;
}
.menu-content ul li a {
    display: block;
    width: 100%;
    font-size: 15px;
    box-sizing: border-box;
    color:#ffffff;
    text-decoration: none;
    padding: 9px 15px 10px 0;
    position: relative;
}
.menu-content ul li a::before {
    content: "";
    width: 7px;
    height: 7px;
    border-top: solid 2px #ffffff;
    border-right: solid 2px #ffffff;
    transform: rotate(45deg);
    position: absolute;
    right: 11px;
    top: 16px;
}

.menu-content {
    width: 50%;
    height: 100%;
    position: fixed;
    top: 0;
    left: -50%;/*leftの値を変更してメニューを画面外へ*/
    z-index: 80;
    background-color: #000;
    transition: all 0.1s;/*アニメーション設定*/
}

#menu-btn-check:checked ~ .menu-content {
    left: 0;/*メニューを画面内へ*/
}