@charset "UTF-8";
/* ------------------------------------------------------------------------------------------------------ リセット & ベース */
*, *::before, *::after { box-sizing: border-box; }

:root {
	--mx: 50%;
	--my: 50%;
}

html { width: 100%; height: 100%; font-size: 62.5%; }

body {
	margin: 0;
	min-height: 100svh;
	background: radial-gradient(ellipse at top, #261c30 0%, #0d0a18 60%, #060410 100%);
	color: #f8f3ec;
	font-family: "Lato","Noto Serif JP","游明朝","Yu Mincho","ヒラギノ明朝 ProN",serif;
	font-feature-settings: "palt";
	line-height: 1.7;
	letter-spacing: .08em;
	overflow: hidden;
	-webkit-font-smoothing: antialiased;
	text-rendering: geometricPrecision;
}

/* ------------------------------------------------------------------------------------------------------ 背景｜オーロラ + マウス追従光 */
.aurora {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	overflow: hidden;
}

.orb {
	position: absolute;
	display: block;
	width: 60vmax;
	height: 60vmax;
	border-radius: 50%;
	filter: blur(140px);
	opacity: .28;
	mix-blend-mode: screen;
	will-change: transform;
}
.orb--1 {
	top: -20vmax;
	left: -10vmax;
	background: radial-gradient(circle, #4a3a7a 0%, transparent 65%);
	animation: drift1 32s ease-in-out infinite alternate;
}
.orb--2 {
	bottom: -25vmax;
	right: -15vmax;
	background: radial-gradient(circle, #7a3a2e 0%, transparent 65%);
	animation: drift2 44s ease-in-out infinite alternate;
}
.orb--3 {
	top: 25%;
	left: 30%;
	width: 40vmax;
	height: 40vmax;
	background: radial-gradient(circle, #5a2a4a 0%, transparent 70%);
	opacity: .18;
	animation: drift3 56s ease-in-out infinite alternate;
}

@keyframes drift1 {
	from { transform: translate3d(0,0,0) scale(1); }
	to   { transform: translate3d(8vw,6vh,0) scale(1.15); }
}
@keyframes drift2 {
	from { transform: translate3d(0,0,0) scale(1); }
	to   { transform: translate3d(-10vw,-4vh,0) scale(1.1); }
}
@keyframes drift3 {
	from { transform: translate3d(0,0,0) rotate(0); }
	to   { transform: translate3d(-6vw,8vh,0) rotate(40deg); }
}

.cursor-glow {
	position: absolute;
	inset: 0;
	background: radial-gradient(circle 32vmax at var(--mx) var(--my), rgba(224,184,148,.22) 0%, rgba(224,184,148,.05) 28%, transparent 60%);
	mix-blend-mode: screen;
	opacity: .6;
	transition: background-position .15s ease-out;
}

.grain {
	position: absolute;
	inset: 0;
	background-image:
		radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
		radial-gradient(rgba(255,255,255,.025) 1px, transparent 1px);
	background-size: 3px 3px, 7px 7px;
	background-position: 0 0, 1px 2px;
	opacity: .35;
	mix-blend-mode: overlay;
}

/* ------------------------------------------------------------------------------------------------------ 前景｜ステージ */
.stage {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-rows: 1fr auto;
	min-height: 100svh;
	padding: clamp(24px, 10.1538461538px + 3.6923076923vw, 48px);
}
.stage__inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	max-width: 720px;
	margin: auto;
}

/* ------------------------------------------------------------------------------------------------------ ロゴ */
.logo {
	margin: 0 0 clamp(28px, 4vw, 48px);
	opacity: 0;
	transform: translateY(12px);
	animation: rise .9s .1s cubic-bezier(.2,.7,.2,1) forwards;
}
.logo img {
	display: block;
	width: clamp(120px, 14vw, 180px);
	height: auto;
	filter: drop-shadow(0 8px 24px rgba(0,0,0,.5));
}

/* ------------------------------------------------------------------------------------------------------ 社名 */
.company {
	margin: 0 0 clamp(28px, 4vw, 44px);
	font-family: "Noto Serif JP","游明朝","Yu Mincho",serif;
	font-weight: 300;
	line-height: 1.4;
	letter-spacing: .14em;
}
.company__corp,
.company__name,
.company__en {
	display: block;
	opacity: 0;
	transform: translateY(14px);
	animation: rise 1s cubic-bezier(.2,.7,.2,1) forwards;
}
.company__corp {
	font-size: clamp(12px, 9.6923076923px + 0.6153846154vw, 16px);
	letter-spacing: .5em;
	color: rgba(248,243,236,.72);
	animation-delay: .35s;
}
.company__name {
	margin-top: .15em;
	font-size: clamp(32px, 19.3076923077px + 3.3846153846vw, 54px);
	letter-spacing: .35em;
	text-indent: .35em;
	animation-delay: .55s;
}
.company__en {
	margin-top: 1.2em;
	font-family: "Cormorant Garamond","Lato",serif;
	font-weight: 300;
	font-style: italic;
	font-size: clamp(11px, 9.2692307692px + 0.4615384615vw, 14px);
	letter-spacing: .35em;
	text-indent: .35em;
	color: #e0b894;
	animation-delay: .8s;
}
.company__en::before,
.company__en::after {
	content: "";
	display: inline-block;
	width: clamp(24px, 4vw, 48px);
	height: 1px;
	margin: 0 1.2em;
	background-color: #e0b894;
	vertical-align: middle;
	opacity: .6;
}

/* ------------------------------------------------------------------------------------------------------ リード（Coming Soon） */
.lead {
	margin: 0 0 clamp(20px, 2.5vw, 28px);
	font-family: "Cormorant Garamond","Lato",serif;
	font-weight: 300;
	font-size: clamp(20px, 15.3846153846px + 1.2307692308vw, 28px);
	line-height: 1.2;
	letter-spacing: .25em;
	color: #f8f3ec;
}
.lead__line {
	display: inline-block;
	opacity: 0;
	transform: translateY(16px);
	animation: rise 1s cubic-bezier(.2,.7,.2,1) forwards;
}
.lead__line:nth-child(1) { animation-delay: 1.05s; }
.lead__line:nth-child(2) { animation-delay: 1.2s; padding-left: .3em; }

/* ------------------------------------------------------------------------------------------------------ 注記 */
.note {
	margin: 0;
	font-family: "Noto Serif JP",serif;
	font-weight: 300;
	font-size: clamp(12px, 9.6923076923px + 0.6153846154vw, 14px);
	line-height: 2;
	letter-spacing: .15em;
	color: rgba(248,243,236,.72);
	opacity: 0;
	animation: rise 1.2s 1.45s cubic-bezier(.2,.7,.2,1) forwards;
}

/* ------------------------------------------------------------------------------------------------------ コピーライト */
.copy {
	text-align: center;
	font-family: "Cormorant Garamond","Lato",serif;
	font-size: clamp(10px, 9.4230769231px + 0.1538461538vw, 11px);
	font-style: italic;
	letter-spacing: .3em;
	color: rgba(248,243,236,.4);
	opacity: 0;
	animation: fadein 1.5s 1.8s ease-out forwards;
}

@keyframes rise {
	to { opacity: 1; transform: translateY(0); }
}
@keyframes fadein {
	to { opacity: 1; }
}

/* ------------------------------------------------------------------------------------------------------ モバイル微調整 */
@media screen and (max-width: 600px) {
	.company__name { letter-spacing: .25em; text-indent: .25em; }
	.company__en::before,
	.company__en::after { margin: 0 .6em; }
	.lead { letter-spacing: .15em; }
}

/* ------------------------------------------------------------------------------------------------------ モーション軽減 */
@media (prefers-reduced-motion: reduce) {
	.orb,
	.lead__line,
	.company__corp,
	.company__name,
	.company__en,
	.logo,
	.note,
	.copy {
		animation: none !important;
		opacity: 1 !important;
		transform: none !important;
	}
	.cursor-glow { transition: none; }
}