@charset "UTF-8";

/* =========================================================
   MAIN VISUAL
========================================================= */

.main-visual {
	position: relative;
	width: 100%;
	height: 100vh;
	min-height: 720px;
	overflow: hidden;
	background: #000;
}

/* =========================================================
   EARTH
========================================================= */

.main-visual__earth-wrap {
	position: absolute;
	left: 50%;
	bottom: -2%;
	width: 100%;

	--mouse-x: 0px;
	--mouse-y: 0px;

	transform:
		translate3d(calc(-50% + var(--mouse-x)),
			var(--mouse-y),
			0);

	transition: transform 0.8s cubic-bezier(.2, .8, .2, 1);
	z-index: 0;
	animation:
		earthEnter 3.2s cubic-bezier(.22, .75, .25, 1) both,
		earthFloat 18s ease-in-out 3.2s infinite alternate;
	will-change: transform;
}

.main-visual__earth {
	position: relative;
	display: block;
	width: 100%;
	height: auto;
	z-index: 2;
	pointer-events: none;
	user-select: none;
	animation: earthBreath 14s ease-in-out infinite alternate;
	will-change: transform;
}

/* =========================================================
   EARTH GLOW
========================================================= */

.main-visual__earth-glow {
	position: absolute;
	inset: 0;
	display: block;
	width: 100%;
	height: auto;
	z-index: 1;
	pointer-events: none;
	user-select: none;
	filter:
		blur(14px) brightness(1.2) saturate(1.3);
	opacity: 0.18;
	transform: scale(1.002);
	animation: earthGlow 7s ease-in-out infinite alternate;
	will-change: opacity, transform;
}

/* =========================================================
   EARTH MOTION
========================================================= */
@keyframes earthEnter {

	0% {
		margin-bottom: -3%;
		opacity: 0;
	}

	100% {
		margin-bottom: 0;
		opacity: 1;
	}

}

@keyframes earthFloat {
	0% {
		margin-bottom: -2px;
	}

	100% {
		margin-bottom: 4px;
	}
}

@keyframes earthBreath {
	0% {
		transform: scale(1);
	}

	100% {
		transform: scale(1.008);
	}
}

@keyframes earthGlow {
	0% {
		opacity: 0.12;
		transform: scale(1.002);
	}

	100% {
		opacity: 0.28;
		transform: scale(1.008);
	}
}

/* =========================================================
   EARTH LIGHT
========================================================= */

.main-visual__earth-light {
	position: absolute;
	/* inset: 0; */
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 3;
	pointer-events: none;
	overflow: hidden;
	border-radius: 50%;
}

.main-visual__earth-light::before {
	content: "";

	position: absolute;
	top: var(--light-top, -20%);
	left: -40%;

	width: 25%;
	height: 140%;
	background: linear-gradient(90deg,
			transparent,
			rgba(120, 200, 255, 0.03),
			rgba(180, 225, 255, 0.18),
			rgba(120, 200, 255, 0.03),
			transparent);

	filter: blur(20px);
	transform:
		rotate(var(--light-angle, 10deg));
	opacity: 0;
	animation: none;
}

.main-visual__earth-light.is-active::before {
	animation: earthLightSweep 5s ease-in-out infinite;
}

@keyframes earthLightSweep {

	0% {
		left: -40%;
		opacity: 0;
	}

	10% {
		opacity: 1;
	}

	80% {
		left: 120%;
		opacity: 1;
	}

	100% {
		left: 120%;
		opacity: 0;
	}

}

/* =========================================================
   CONTENT
========================================================= */

.main-visual__content {
	position: relative;
	width: min(1280px, calc(100% - 80px));
	height: 100%;
	margin: 0 auto;
	z-index: 0;
}

.main-visual__message {
	position: absolute;
	top: 27%;
	left: 0;
	display: flex;
	align-items: stretch;
	gap: 32px;
}

.main-visual__line {
	width: 8px;
	flex-shrink: 0;
	background: var(--color02);
}

.main-visual__lead {
	margin: 0;
	color: var(--colorW);
	font-size: 18px;
	font-weight: 700;
	line-height: 2.85;
	letter-spacing: 0.08em;
	text-shadow: 0 0 10px rgba(0, 0, 0, 0.45);
}

/* =========================================================
   MAIN-LINKS
========================================================= */

.main-visual__links{
    width: 270px;
    height: auto;
    position: absolute;
    bottom: 3rem;
    right: 0;
    z-index: 1;
}
.main-visual__links li{
    width: 100%;
    margin: 10px 0;
    padding: 0;
    z-index: 1;
}
.main-visual__links li a{
    background: var(--color01);
    box-sizing: border-box;
    color: var(--colorW);
    display: block;
    width: 100%;
    height: auto;
    padding: 10px 20px 10px 40px;
    position: relative;
    z-index: 2;
}
.main-visual__links li a::before{
    content: "";
    background: var(--colorW);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 13px;
    transform: translateY(-50%) scale(1);
    transform-origin: center;
    z-index: 3;
}
.main-visual__links li a::after{
    content: "";
    background: transparent;
    border: 1px dotted var(--colorW);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translateY(-50%) scale(1);
    transform-origin: center;
    z-index: 4;
}

/* =========================================================
   HOVER
========================================================= */

.main-visual__links li a:hover::after,
.main-visual__links li a:focus-visible::after,
.main-visual__links li a:active::after{
    animation: main-link-ring 1.15s ease-in-out infinite;
}

.main-visual__links li a:hover::before,
.main-visual__links li a:focus-visible::before,
.main-visual__links li a:active::before{
    animation: main-link-dot 1.15s ease-in-out infinite;
}

/* -----------------------------
   ACTION01
----------------------------- */

@keyframes main-link-ring{
    0%{
        transform: translateY(-50%) scale(1);
        opacity: 1;
    }

    25%{
        transform: translateY(-50%) scale(1.45);
        opacity: .9;
    }

    45%{
        transform: translateY(-50%) scale(1.25);
        opacity: .75;
    }

    70%{
        transform: translateY(-50%) scale(1.45);
        opacity: .9;
    }

    100%{
        transform: translateY(-50%) scale(1);
        opacity: 1;
    }
}

/* -----------------------------
   ACTION02
----------------------------- */

@keyframes main-link-dot{

    0%{
        transform: translateY(-50%) scale(1);
    }

    18%{
        transform: translateY(-50%) scale(1.35);
    }

    35%{
        transform: translateY(-50%) scale(.65);
    }

    52%{
        transform: translateY(-50%) scale(1.15);
    }

    70%{
        transform: translateY(-50%) scale(.9);
    }

    100%{
        transform: translateY(-50%) scale(1);
    }
}

/* =========================================================
   RESPONSIVE
========================================================= */

@media screen and (max-width: 1024px) {

	.main-visual {
		min-height: 650px;
	}

	.main-visual__content {
		width: calc(100% - 48px);
	}

	.main-visual__message {
		top: 24%;
		gap: 24px;
	}

	.main-visual__lead {
		font-size: 16px;
		line-height: 2.5;
	}

}

@media screen and (max-width: 768px) {

	.main-visual {
		min-height: unset;
        height: 140vw;
	}

	.main-visual__content {
		width: calc(100% - 32px);
	}

	.main-visual__message {
		top: 22%;
		gap: 18px;
	}

	.main-visual__line {
		width: 5px;
	}

	.main-visual__lead {
		font-size: 14px;
		line-height: 2.1;
		letter-spacing: 0.04em;
	}

	.main-visual__lead br {
		display: none;
	}

	.main-visual__links{
    	width: 230px;
		bottom: 1rem;
	}
}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

	.main-visual__earth-wrap,
	.main-visual__earth,
	.main-visual__earth-glow,
	.main-visual__earth-light::before {
		animation: none;
	}

	.main-visual__earth-wrap {
		transform: translateX(-50%);
		transition: none;
	}

	.main-visual__links li a::before,
    .main-visual__links li a::after{
        animation: none !important;
    }
}