/* リセットCSS */
body {
  margin: 0px;  
}

a {
	color: inherit;
	text-decoration: none;
}

ul {
  margin: 0;
	padding: 0;
	list-style: none;
}

/* ヘッダーで使用 */
.header {
	position: fixed;
	z-index: 10;
	top: 0;
	left: 0;
	width: 100%;
	height: 100px;
	background-color: black;
}

.header__layout {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: inherit;
	margin: 0 auto;
	padding: 0 20px;
}

.header__logo {
	position: relative;
	z-index: 12;

	a {
		font-size: 24px;
		color: #fff;
		transition: all 0.3s;

		&:hover {
			opacity: 0.7;
		}
	}
}

.header__nav {
	height: inherit;
}

@media screen and (max-width: 767px) {
  .header__nav {
    display: none;
  }
}

.header__menus {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 40px;
	height: inherit;
}

.header__menu {
	height: inherit;

	a {
		display: flex;
		align-items: center;
		justify-content: center;
		height: inherit;
		font-size: 18px;
		color: #fff;
		transition: all 0.3s;

		&:hover {
			color: #ffe100;
		}
	}
}

/* ハンバーガーメニュー関連 */
.hamburger {
  display: none;
}

@media screen and (max-width: 767px) {
  .hamburger {
    display: block;
  }
}

.hamburger__icon {
	cursor: pointer;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	width: 40px;
	height: 32px;

	&:hover {
		.hamburger__bar {
			background-color: #ffe100;
		}
	}

	.hamburger__bar {
		background-color: #fff;
		border-radius: 2px;
		width: 100%;
		height: 3px;
		transition: all 0.3s;
	}
}

.hamburger__background {
	display: none;
	position: fixed;
	z-index: 11;
	top: 0;
	left: 0;
	height: 100%;
	width: 100%;
	background-color: black;
}

/* ハンバーガーメニューのアニメーション */
.js-hamburger {
	.hamburger__icon {
		position: relative;
		z-index: 12;

		.hamburger__bar {
			position: absolute;

			&:nth-child(1) {
				left: 0;
				top: calc(50% - 1px);
				transform: rotate(45deg);
			}

			&:nth-child(2) {
				opacity: 0;
			}

			&:nth-child(3) {
				bottom: calc(50% - 2px);
				left: 0;
				transform: rotate(-45deg);
			}
		}
	}
}

.js-hamburger-nav {
	display: block;

	.header__menus {
		position: fixed;
		z-index: 12;
		top: 100px;
		left: 0;
		width: 100%;
		height: calc(100% - 100px);
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
	}

	.header__menu {
		width: 100%;
		height: auto;

		a {
			height: auto;
		}
	}
}

.js-background-fixed {
	height: 100%;
	overflow: hidden;
	width: 100%;
}

/* 無視してOK */
.center {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	height: calc(100vh - 100px);
	margin-top: 100px;
	font-size: 16px;
}

$(function(){
  const bodyElement = $("body");
  const hamburger = $('#hamburger');
  const hamburger_logo = $('#hamburger-logo');
  const hamburger_icon = $('#hamburger-icon');
  const hamburger_nav = $('#hamburger-nav');
  const hamburger_menu = $('#hamburger-nav a');
  const hamburger_background = $('#hamburger-background');

  hamburger_icon.on('click', function() {
    hamburger.toggleClass('js-hamburger');
    hamburger_nav.toggleClass('js-hamburger-nav');
    hamburger_background.fadeToggle(300);
    bodyElement.toggleClass('js-background-fixed');
  });

  hamburger_logo.on('click', function() {
    hamburger.removeClass('js-hamburger');
    hamburger_nav.removeClass('js-hamburger-nav');
    hamburger_background.fadeOut(300);
    bodyElement.removeClass('js-background-fixed');
  });

  hamburger_menu.on('click', function() {
    hamburger.removeClass('js-hamburger');
    hamburger_nav.removeClass('js-hamburger-nav');
    hamburger_background.fadeOut(300);
    bodyElement.removeClass('js-background-fixed');
  });

  $(window).resize(function() {
    var windowWidth = $(window).width();

    if (windowWidth >= 768) {
      hamburger.removeClass('js-hamburger');
      hamburger_nav.removeClass('js-hamburger-nav');
      hamburger_background.fadeOut(300);
      bodyElement.removeClass('js-background-fixed');
    }
  });
});