/* ===============================
   HAMBURGER
=============================== */
.hamburger {
	display: block;
	width: 50px;
	height: 50px;
	position: fixed;
	top: 15px;
	right: 20px;
	z-index: 100000;
	box-sizing: border-box;
	padding: 0;
	-webkit-tap-highlight-color: transparent;
	touch-action: manipulation;
}


.hamburger__icon {
	position: absolute;
	top: 24px;
	right: 10px;
	width: 24px;
	margin: 0;
}

.hamburger__icon,
.hamburger__icon:before,
.hamburger__icon:after {
	display: block;
	height: 2px;
	background-color: var(--tk-gold);
	transition: background-color 0.3s, opacity 0.3s, transform 0.3s, width 0.3s;
}

.hamburger__icon:before,
.hamburger__icon:after {
	content: "";
	position: absolute;
}

.hamburger__icon:before {
	top: -8px;
	right: 0;
	width: 30px;
}

.hamburger__icon:after {
	top: 8px;
	right: 0;
	width: 18px;
}

/* 右端を基準に、上下の線の長さを入れ替える。 */
@media (hover: hover) {
	.hamburger:not(.active):hover .hamburger__icon:before {
		width: 18px;
	}

	.hamburger:not(.active):hover .hamburger__icon:after {
		width: 30px;
	}
}

.hamburger.active .hamburger__icon {
	background-color: transparent;
}

.hamburger.active .hamburger__icon:before {
	background-color: var(--tk-gold);
	width: 28px;
	transform: translateY(8px) rotate(135deg);
}

.hamburger.active .hamburger__icon:after {
	background-color: var(--tk-gold);
	width: 28px;
	transform: translateY(-8px) rotate(-135deg);
}


/* ===============================
   FAT NAV BASE
=============================== */

.fat-nav {
	position: fixed;
	inset: 0;
	z-index: 99999;
	display: none;
	width: 100%;
	height: 100%;
	background-color: var(--tk-black);
	overflow-y: auto;
	overflow-x: hidden;
}

.fat-nav.active {
	display: block;
}

.fat-nav__wrapper {
	width: 100%;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	box-sizing: border-box;
	background-color: var(--tk-black);
}

.fat-nav__logo {
	text-align: center;
	margin-bottom: 40px;
}

.fat-nav__logo img {
	width: 150px;
	height: auto;
}


/* ===============================
   MENU LAYOUT
=============================== */

.full-menu {
	width: 100%;
	max-width: 1000px;
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	margin: 0 auto;
	padding: 0 40px;
	box-sizing: border-box;
}

.menu-area {
	position: relative;
	width: 100%;
	margin: 0 auto;
	padding: 0;
	box-sizing: border-box;
}

.title_sub {
    color: var(--tk-white);
    font-size: 1.1em;
    letter-spacing: 2.5px;
    margin: 15px 0 0;
}

.title {
    color: var(--tk-gold-smoke);
    font-size: 2.2em;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: 8px;
    margin: 0 0 30px;
    will-change: transform;
}

.menu-area ul {
	display: flex;
	flex-wrap: wrap;
	width: 530px;
	max-width: 100%;
	list-style: none;
	margin: 0 auto;
	padding: 0;
	box-sizing: border-box;
}

.menu-area li {
	position: relative;
	width: 320px;
	margin: 0 0 36px;
	padding: 10px 0;
	box-sizing: border-box;
}

.menu-area li:nth-child(even) {
	width: 210px;
}

/* 空のa要素をメニュー項目全体に重ね、クリック領域を確保する */
.menu-area li a {
	position: absolute;
	inset: 0;
	z-index: 1;
}

.menu-area li .en {
	text-align: left;
	font-size: 2.2rem;
	line-height: 1;
	font-weight: 500;
	letter-spacing: 3px;
	white-space: nowrap;
	font-family: var(--font-Garamond);
	color: var(--tk-gold);
	transition: color 0.2s ease;
}

.menu-area li:hover .en {
	color: var(--tk-white);
}

.menu-area li .ja {
	font-size: 0.85rem;
	line-height: 1.3;
	font-weight: 500;
	letter-spacing: 2px;
	margin-top: 10px;
	color: var(--tk-gray);
}

.menu-area li .ja span {
	font-size: 0.7rem;
}

/* リンク無効化（薄い色＋ポインターなし） */
.menu-area li.no_link .en,
.menu-area li.no_link:hover .en,
.menu-area li.no_link .ja {
	color: var(--tk-gray);
}

.menu-area li.no_link a {
	pointer-events: none;
}


/* ====================================
   @media
==================================== */
@media screen and (max-width: 820px) {
	.menu-area {
		width: 100%;
		margin: 0 auto;
		padding: 50px 0;
	}

	.menu-area ul {
		width: 465px;
	}

	.menu-area li {
		width: 290px;
		padding: 0;
	}

	.menu-area li:nth-child(even) {
		width: 175px;
	}

	.menu-area li .en {
		font-size: 1.9rem;
	}
}

@media screen and (max-width: 768px) {
	.hamburger {
		top: 15px;
	}
}

@media screen and (max-width: 640px) {
	.hamburger {
		width: 50px;
		height: 50px;
		top: 5px;
		right: 10px;
		padding: 0;
	}

	.hamburger__icon:before {
		top: -8px;
	}

	.hamburger__icon:after {
		top: 8px;
	}

	.fat-nav__logo {
		margin-bottom: 0;
	}

	.fat-nav__logo img {
		width: 90px;
	}

	.full-menu {
		flex-direction: column;
		align-items: flex-start;
		padding: 0 10px;
	}
	
	.title {
		font-size: 1.5em;
	}

	.menu-area {
		width: 100%;
		padding: 50px 20px;
	}

	.menu-area ul {
		width: 285px;
	}

	.menu-area li {
		font-size: 1em;
		width: 175px;
		padding: 0 0 8px 10px;
		margin: 0 0 20px;
		box-sizing: border-box;
	}

	.menu-area li:nth-child(even) {
		width: 110px;
	}

	.menu-area li .en {
		font-size: 1.4rem;
		letter-spacing: 1px;
		white-space: nowrap;
	}

	.menu-area li .ja {
		font-size: 0.8rem;
		margin-top: 6px;
	}
}

@media screen and (max-width: 400px) {
	.menu-area {
		padding: 50px 12px;
	}

	.menu-area ul {
		width: 255px;
	}

	.menu-area li {
		width: 150px;
		padding: 0 0 8px 4px;
	}

	.menu-area li:nth-child(even) {
		width: 105px;
	}
}