@charset "UTF-8";

/* ==========================================================
   TSTL Corporate Site 2026
   明朝体 × 漆黒 × 紅一点 — Beyond the Landscape.
   ========================================================== */
:root {
	--black: #05070D;
	--ink: #0A0A0A;
	--navy: #071737;
	--red: #BD0A0D;
	--red-hi: #E0161A;
	--gray: #595959;
	--gray-2: #8C8C8C;
	--line: #D9D9D9;
	--paper: #F4F4F6;
	--white: #fff;
	--w60: rgba(255, 255, 255, .6);
	--w30: rgba(255, 255, 255, .3);
	--w12: rgba(255, 255, 255, .12);
	--serif: 'Zen Old Mincho', 'Yu Mincho', 'YuMincho', 'Hiragino Mincho ProN', serif;
	--en: 'Cormorant Garamond', 'Zen Old Mincho', serif;
	--mono: 'IBM Plex Mono', 'Zen Old Mincho', monospace;
	--gutter: clamp(20px, 5vw, 88px);
	--max: 1320px;
	--ease: cubic-bezier(.22, .61, .36, 1);
	--expo: cubic-bezier(.16, 1, .3, 1);
}

*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	-webkit-text-size-adjust: 100%;
}

body {
	font-family: var(--serif);
	color: var(--ink);
	background: var(--black);
	line-height: 1.9;
	letter-spacing: .04em;
	font-feature-settings: "palt";
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

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

ul,
ol {
	list-style: none;
}

h1,
h2,
h3,
h4,
h5 {
	font-weight: 400;
}

fieldset {
	border: 0;
}

button {
	font: inherit;
	color: inherit;
}

::selection {
	background: var(--red);
	color: var(--white);
}

.wrap {
	position: relative;
	width: 100%;
	max-width: calc(var(--max) + var(--gutter) * 2);
	margin: 0 auto;
	padding: 0 var(--gutter);
}

.en {
	font-family: var(--en);
	letter-spacing: .18em;
	text-transform: uppercase;
	font-variant-numeric: lining-nums;
}

.en i {
	font-style: italic;
	text-transform: none;
	letter-spacing: .02em;
}

/* arrow */
.arrow {
	position: relative;
	display: inline-block;
	width: 36px;
	height: 1px;
	background: currentColor;
	vertical-align: middle;
	transition: width .5s var(--expo);
}

.arrow::after {
	content: "";
	position: absolute;
	right: 0;
	top: 0;
	width: 9px;
	height: 1px;
	background: currentColor;
	transform: rotate(35deg);
	transform-origin: right center;
}

/* ---------- Loader ---------- */
.loader {
	position: fixed;
	inset: 0;
	z-index: 1000;
	background: var(--black);
	color: var(--white);
	display: grid;
	place-items: center;
	clip-path: inset(0 0 0 0);
	transition: clip-path 1.1s var(--expo);
}

.is-loaded .loader {
	clip-path: inset(0 0 100% 0);
}

.loader__inner {
	display: grid;
	justify-items: center;
	gap: 24px;
}

.loader__logo {
	width: 56px;
	animation: loaderIn 1s var(--expo) both;
}

.loader__bar {
	width: 160px;
	height: 1px;
	background: var(--w12);
	overflow: hidden;
}

.loader__bar i {
	display: block;
	height: 100%;
	background: var(--red);
	transform-origin: left;
	transform: scaleX(var(--p, 0));
}

.loader__count {
	font-size: 12px;
	letter-spacing: .4em;
	color: var(--w60);
}

.loader__msg {
	font-family: var(--mono);
	font-size: 11px;
	letter-spacing: .2em;
	color: rgba(255, 255, 255, .4);
	text-transform: none;
	min-height: 1em;
}

.loader__msg::after {
	content: '_';
	animation: blink 1s steps(1) infinite;
}

@keyframes loaderIn {
	from {
		opacity: 0;
		transform: scale(.8);
	}
}

html:not(.js) .loader {
	display: none;
}

/* ---------- Grain / progress ---------- */
.grain {
	position: fixed;
	inset: -50%;
	z-index: 900;
	pointer-events: none;
	opacity: .07;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
	animation: grain 1s steps(4) infinite;
}

@keyframes grain {
	0% {
		transform: translate(0, 0);
	}

	25% {
		transform: translate(-3%, 2%);
	}

	50% {
		transform: translate(2%, -3%);
	}

	75% {
		transform: translate(-1%, 3%);
	}

	100% {
		transform: translate(0, 0);
	}
}

.progress {
	position: fixed;
	left: 0;
	top: 0;
	width: 100%;
	height: 2px;
	z-index: 950;
	pointer-events: none;
}

.progress i {
	display: block;
	height: 100%;
	background: var(--red);
	transform-origin: left;
	transform: scaleX(var(--p, 0));
}

/* ---------- Cursor ---------- */
.cursor {
	display: none;
}

@media (hover: hover) and (pointer: fine) {
	.cursor {
		display: block;
		position: fixed;
		left: 0;
		top: 0;
		z-index: 960;
		pointer-events: none;
	}

	.cursor__dot,
	.cursor__ring {
		position: fixed;
		left: 0;
		top: 0;
		border-radius: 50%;
	}

	.cursor__dot {
		width: 6px;
		height: 6px;
		margin: -3px 0 0 -3px;
		background: var(--red);
	}

	.cursor__ring {
		width: 40px;
		height: 40px;
		margin: -20px 0 0 -20px;
		border: 1px solid rgba(255, 255, 255, .7);
		mix-blend-mode: difference;
		display: grid;
		place-items: center;
		transition: width .45s var(--expo), height .45s var(--expo), margin .45s var(--expo), background .45s, border-color .45s;
	}

	.cursor__ring span {
		font-size: 11px;
		letter-spacing: .2em;
		color: var(--black);
		opacity: 0;
		transition: opacity .3s;
	}

	.cursor.is-link .cursor__ring {
		width: 64px;
		height: 64px;
		margin: -32px 0 0 -32px;
		background: rgba(255, 255, 255, .9);
		border-color: transparent;
	}

	.cursor.is-label .cursor__ring {
		width: 96px;
		height: 96px;
		margin: -48px 0 0 -48px;
		background: var(--white);
		border-color: transparent;
		mix-blend-mode: normal;
	}

	.cursor.is-label .cursor__ring span {
		opacity: 1;
	}

	.cursor.is-hidden {
		opacity: 0;
	}
}

/* ---------- Header ---------- */
.header {
	position: fixed;
	inset: 0 0 auto;
	z-index: 800;
	color: var(--white);
	mix-blend-mode: difference;
	transition: transform .6s var(--expo);
}

.header.is-hidden {
	transform: translateY(-100%);
}

.header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	height: 88px;
	padding: 0 var(--gutter);
}

.header__logo {
	display: flex;
	align-items: center;
	gap: 14px;
}

.header__logo img {
	width: 42px;
	height: 42px;
}

.header__logo span {
	font-size: 15px;
	letter-spacing: .4em;
}

.header__nav {
	margin-left: auto;
}

.header__nav ul {
	display: flex;
	gap: clamp(24px, 3vw, 48px);
}

.header__nav a {
	position: relative;
	display: flex;
	align-items: flex-start;
	gap: 6px;
	font-family: var(--en);
	font-size: 14px;
	letter-spacing: .2em;
	text-transform: uppercase;
}

.header__nav .num {
	font-size: 9px;
	letter-spacing: .1em;
	opacity: .6;
	margin-top: -2px;
}

.header__nav a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 100%;
	height: 1px;
	background: currentColor;
	transform: scaleX(0);
	transform-origin: right;
	transition: transform .5s var(--expo);
}

.header__nav a:hover::after {
	transform: scaleX(1);
	transform-origin: left;
}

.header__cta {
	position: relative;
	display: inline-grid;
	place-items: center;
	height: 44px;
	padding: 0 28px;
	border: 1px solid currentColor;
	border-radius: 999px;
	font-family: var(--en);
	font-size: 13px;
	letter-spacing: .3em;
	text-transform: uppercase;
	overflow: hidden;
	isolation: isolate;
}

.header__cta::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--white);
	transform: translateY(101%);
	transition: transform .5s var(--expo);
}

.header__cta:hover {
	color: var(--black);
}

.header__cta:hover::before {
	transform: none;
}

.menu-btn {
	display: none;
}

@media (max-width: 1023px) {
	.header__inner {
		height: 68px;
	}

	.header__nav,
	.header__cta {
		display: none;
	}

	.menu-btn {
		display: block;
		position: relative;
		width: 48px;
		height: 48px;
		margin-right: -10px;
		background: none;
		border: 0;
		cursor: pointer;
	}

	.menu-btn span {
		position: absolute;
		left: 10px;
		width: 28px;
		height: 1px;
		background: currentColor;
		transition: transform .5s var(--expo), top .5s var(--expo);
	}

	.menu-btn span:nth-child(1) {
		top: 20px;
	}

	.menu-btn span:nth-child(2) {
		top: 28px;
		width: 18px;
	}

	body.menu-open .menu-btn span:nth-child(1) {
		top: 24px;
		transform: rotate(25deg);
	}

	body.menu-open .menu-btn span:nth-child(2) {
		top: 24px;
		width: 28px;
		transform: rotate(-25deg);
	}
}

/* Drawer */
.drawer {
	position: fixed;
	inset: 0;
	z-index: 700;
	background: var(--black);
	color: var(--white);
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 88px var(--gutter) 40px;
	clip-path: circle(0% at calc(100% - 40px) 34px);
	transition: clip-path .9s var(--expo);
}

body.menu-open {
	overflow: hidden;
}

body.menu-open .drawer {
	clip-path: circle(150% at calc(100% - 40px) 34px);
}

.drawer li {
	border-bottom: 1px solid var(--w12);
	overflow: hidden;
}

.drawer a {
	display: flex;
	align-items: baseline;
	gap: 18px;
	padding: 16px 0;
	transform: translateY(100%);
	transition: transform .8s var(--expo);
}

body.menu-open .drawer a {
	transform: none;
}

body.menu-open .drawer li:nth-child(2) a {
	transition-delay: .05s;
}

body.menu-open .drawer li:nth-child(3) a {
	transition-delay: .1s;
}

body.menu-open .drawer li:nth-child(4) a {
	transition-delay: .15s;
}

body.menu-open .drawer li:nth-child(5) a {
	transition-delay: .2s;
}

.drawer .num {
	font-family: var(--en);
	font-size: 12px;
	color: var(--red);
}

.drawer a .en {
	font-size: clamp(32px, 9vw, 44px);
	letter-spacing: .08em;
	line-height: 1.2;
}

.drawer .ja {
	margin-left: auto;
	font-size: 11px;
	color: var(--w60);
}

.drawer__foot {
	margin-top: 40px;
	font-size: 13px;
	color: var(--w60);
}

/* ---------- Split chars ---------- */
[data-split] .ch {
	display: inline-block;
	transform: translateY(105%) rotate(6deg);
	opacity: 0;
	transition: transform 1.2s var(--expo), opacity 1.2s var(--expo);
	transition-delay: calc(var(--i) * 32ms + var(--d, 0ms));
}

[data-split].is-in .ch {
	transform: none;
	opacity: 1;
}

html:not(.js) [data-split] .ch {
	transform: none;
	opacity: 1;
}

/* ---------- Hero ---------- */
.hero {
	position: relative;
	min-height: 100svh;
	overflow: hidden;
	background: var(--black);
	color: var(--white);
	display: flex;
	align-items: center;
}

.hero::before {
	/* 紅のにじみ */
	content: "";
	position: absolute;
	right: -10vw;
	top: 50%;
	width: 60vw;
	height: 60vw;
	transform: translateY(-50%);
	background: radial-gradient(closest-side, rgba(189, 10, 13, .18), transparent 70%);
	pointer-events: none;
}

.hero__canvas {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
}

.hero__frame span {
	position: absolute;
	width: 22px;
	height: 22px;
	border-color: var(--w30);
	border-style: solid;
	border-width: 0;
	z-index: 2;
}

.hero__frame .tl {
	top: 100px;
	left: var(--gutter);
	border-top-width: 1px;
	border-left-width: 1px;
}

.hero__frame .tr {
	top: 100px;
	right: var(--gutter);
	border-top-width: 1px;
	border-right-width: 1px;
}

.hero__frame .bl {
	bottom: 28px;
	left: var(--gutter);
	border-bottom-width: 1px;
	border-left-width: 1px;
}

.hero__frame .br {
	bottom: 28px;
	right: var(--gutter);
	border-bottom-width: 1px;
	border-right-width: 1px;
}

.hero__inner {
	position: relative;
	z-index: 3;
	width: 100%;
	padding: 140px var(--gutter) 120px;
	max-width: calc(var(--max) + var(--gutter) * 2);
	margin: 0 auto;
	pointer-events: none;
}

.hero__inner a {
	pointer-events: auto;
}

.hero__label {
	display: flex;
	align-items: center;
	gap: 18px;
	font-size: clamp(11px, 1vw, 14px);
	line-height: 1.6;
	letter-spacing: .16em;
	color: var(--w60);
	margin-bottom: clamp(24px, 3.5vw, 44px);
	opacity: 0;
	transition: opacity 1.2s var(--expo) .2s;
}

.is-ready .hero__label,
html:not(.js) .hero__label {
	opacity: 1;
}

.hero__label::before {
	content: "";
	flex: none;
	width: 56px;
	height: 1px;
	background: var(--red);
}

@media (max-width: 767px) {
	.hero__label::before {
		width: 28px;
	}
}

.hero__title {
	font-size: clamp(40px, 7.4vw, 124px);
	line-height: 1.28;
	letter-spacing: .06em;
}

.hero__title .line {
	display: block;
	overflow: hidden;
	padding-bottom: .06em;
}

.hero__title em {
	font-style: normal;
	position: relative;
	display: inline-block;
}

.hero__title em::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: .02em;
	height: 2px;
	background: var(--red);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 1.4s var(--expo) 1.6s;
}

.is-ready .hero__title em::after {
	transform: scaleX(1);
}

.hero__en {
	margin-top: clamp(16px, 2vw, 28px);
	font-size: clamp(22px, 3.2vw, 52px);
	font-weight: 300;
	line-height: 1.2;
	letter-spacing: .08em;
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .55);
	opacity: 0;
	transform: translateX(-24px);
	transition: opacity 1.4s var(--expo) 1.1s, transform 1.4s var(--expo) 1.1s;
}

.hero__en i {
	color: var(--white);
	-webkit-text-stroke: 0;
	font-weight: 300;
}

.hero__lead {
	margin-top: clamp(28px, 3.5vw, 48px);
	max-width: 520px;
	padding-left: 20px;
	border-left: 1px solid var(--red);
	font-size: clamp(13px, 1.1vw, 15px);
	color: rgba(255, 255, 255, .72);
	line-height: 2.2;
	opacity: 0;
	transform: translateY(16px);
	transition: opacity 1.4s var(--expo) 1.3s, transform 1.4s var(--expo) 1.3s;
}

.is-ready .hero__en,
.is-ready .hero__lead {
	opacity: 1;
	transform: none;
}

.hero__meta {
	position: absolute;
	z-index: 3;
	left: calc(var(--gutter) + 40px);
	bottom: 36px;
	display: flex;
	gap: 28px;
	font-size: 11px;
	color: rgba(255, 255, 255, .45);
	letter-spacing: .25em;
}

.hero__index {
	position: absolute;
	z-index: 3;
	right: calc(var(--gutter) + 40px);
	bottom: 36px;
	font-size: 12px;
	color: rgba(255, 255, 255, .45);
	letter-spacing: .3em;
}

.hero__index b {
	font-weight: 400;
	color: var(--white);
}

.hero__scroll {
	position: absolute;
	z-index: 3;
	left: 50%;
	bottom: 0;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	font-size: 10px;
	letter-spacing: .35em;
	color: var(--w60);
}

.hero__scroll i {
	position: relative;
	display: block;
	width: 1px;
	height: 72px;
	background: var(--w12);
	overflow: hidden;
}

.hero__scroll i::after {
	content: "";
	position: absolute;
	inset: 0;
	background: var(--white);
	animation: scrollLine 2.2s var(--expo) infinite;
}

@keyframes scrollLine {
	0% {
		transform: translateY(-100%);
	}

	60%,
	100% {
		transform: translateY(100%);
	}
}

@media (max-width: 767px) {
	.hero__inner {
		padding: 120px var(--gutter) 140px;
	}

	.hero__title {
		font-size: 8.6vw;
		letter-spacing: .04em;
	}

	.hero__meta {
		display: none;
	}

	.hero__index {
		display: none;
	}

	.hero__frame .tl,
	.hero__frame .tr {
		top: 80px;
	}

	.hero__lead br {
		display: none;
	}
}

/* ---------- 思考コンソール ---------- */
.think {
	position: absolute;
	right: var(--gutter);
	bottom: 40px;
	z-index: 3;
	width: min(400px, 32vw);
	padding: 16px 20px 12px;
	pointer-events: none;
	background: rgba(5, 7, 13, .62);
	border: 1px solid var(--w12);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
	color: var(--white);
	font-size: 13px;
	line-height: 1.75;
	opacity: 0;
	transform: translateY(16px);
	transition: opacity 1.2s var(--expo) 1.8s, transform 1.2s var(--expo) 1.8s, border-color .6s;
}

.is-ready .think {
	opacity: 1;
	transform: none;
}

.think.is-thinking {
	border-color: rgba(224, 22, 26, .45);
}

.think__head {
	display: flex;
	align-items: center;
	gap: 10px;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--w12);
	font-family: var(--mono);
	font-size: 11px;
}

.think__dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--red);
	box-shadow: 0 0 0 0 rgba(224, 22, 26, .6);
	animation: ping 1.6s infinite;
}

.think__name {
	font-family: var(--mono);
	font-size: 11px;
	letter-spacing: .2em;
	color: rgba(255, 255, 255, .7);
}

.think__status {
	margin-left: 6px;
	color: rgba(255, 255, 255, .5);
	letter-spacing: .08em;
}

.think__status.is-on {
	color: transparent;
	background: linear-gradient(90deg, rgba(255, 255, 255, .35) 0%, #fff 45%, #ff6b6b 55%, rgba(255, 255, 255, .35) 100%);
	background-size: 250% 100%;
	-webkit-background-clip: text;
	background-clip: text;
	animation: shimmer 1.4s linear infinite;
}

.think__status.is-on::after {
	content: '...';
}

.think__time {
	margin-left: auto;
	font-family: var(--mono);
	font-size: 11px;
	letter-spacing: .05em;
	color: rgba(255, 255, 255, .4);
}

.think__body {
	min-height: 184px;
	padding-top: 4px;
	transition: opacity .5s;
}

.think.is-fade .think__body {
	opacity: 0;
}

.think__line {
	display: flex;
	gap: 10px;
	margin-top: 9px;
	animation: lineIn .5s var(--expo);
}

.think__who {
	flex: none;
	display: inline-grid;
	place-items: center;
	width: 18px;
	height: 18px;
	margin-top: 2px;
	font-family: var(--mono);
	font-size: 10px;
	letter-spacing: 0;
	border: 1px solid var(--w30);
	color: rgba(255, 255, 255, .7);
}

.think__a .think__who {
	border-color: var(--red);
	background: var(--red);
	color: var(--white);
}

.think__q {
	color: var(--white);
}

.think__a {
	color: var(--white);
	padding-top: 8px;
	margin-top: 12px;
	border-top: 1px dashed var(--w12);
}

.think__step {
	padding-left: 4px;
	font-size: 12px;
	color: rgba(255, 255, 255, .55);
}

.think__step .spin {
	flex: none;
	position: relative;
	width: 11px;
	height: 11px;
	margin-top: 5px;
	border: 1px solid rgba(255, 255, 255, .25);
	border-top-color: var(--red-hi);
	border-radius: 50%;
	animation: spin .7s linear infinite;
}

.think__step.is-done {
	color: rgba(255, 255, 255, .8);
}

.think__step.is-done .spin {
	animation: none;
	border: 0;
}

.think__step.is-done .spin::after {
	content: "";
	position: absolute;
	left: 3px;
	top: 0;
	width: 4px;
	height: 8px;
	border-right: 1.5px solid var(--red-hi);
	border-bottom: 1.5px solid var(--red-hi);
	transform: rotate(45deg);
}

.caret {
	display: inline-block;
	width: 7px;
	height: 1.1em;
	margin-left: 2px;
	vertical-align: -2px;
	background: var(--white);
	animation: blink 1s steps(1) infinite;
}

.think__note {
	margin-top: 10px;
	font-size: 10px;
	color: rgba(255, 255, 255, .3);
	text-align: right;
}

@keyframes blink {
	50% {
		opacity: 0;
	}
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

@keyframes shimmer {
	from {
		background-position: 100% 0;
	}

	to {
		background-position: -150% 0;
	}
}

@keyframes ping {
	0% {
		box-shadow: 0 0 0 0 rgba(224, 22, 26, .6);
	}

	80%,
	100% {
		box-shadow: 0 0 0 8px rgba(224, 22, 26, 0);
	}
}

@keyframes lineIn {
	from {
		opacity: 0;
		transform: translateY(4px);
	}
}

@media (max-width: 1100px) {
	.think {
		position: relative;
		right: auto;
		bottom: auto;
		width: 100%;
		max-width: 520px;
		margin-top: 36px;
	}
}

.hero__inner .think {
	pointer-events: none;
}

@media (min-width: 1101px) {
	.hero--sub .think {
		top: 230px;
		bottom: auto;
	}
}

/* ---------- Marquee ---------- */
.marquee {
	position: relative;
	z-index: 2;
	background: var(--black);
	color: var(--white);
	overflow: hidden;
	padding: clamp(20px, 3vw, 40px) 0;
	border-top: 1px solid var(--w12);
	border-bottom: 1px solid var(--w12);
}

.marquee__track {
	display: flex;
	width: max-content;
	will-change: transform;
}

.marquee__track span {
	display: flex;
	align-items: center;
	gap: clamp(28px, 4vw, 64px);
	padding-right: clamp(28px, 4vw, 64px);
	font-family: var(--en);
	font-weight: 300;
	font-size: clamp(44px, 8vw, 128px);
	line-height: 1.1;
	letter-spacing: .02em;
	white-space: nowrap;
}

.marquee__track span.o {
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .5);
	font-style: italic;
}

.marquee__track span::after {
	content: "";
	flex: none;
	width: .12em;
	height: .12em;
	border-radius: 50%;
	background: var(--red);
	-webkit-text-stroke: 0;
}

/* ---------- Section common ---------- */
.section {
	position: relative;
	padding: clamp(112px, 14vw, 220px) 0;
	overflow: hidden;
}

.section--light {
	background: var(--white);
	color: var(--ink);
}

.section--dark {
	background: var(--black);
	color: var(--white);
}

.section--navy {
	background: var(--navy);
	color: var(--white);
}

.sec-head {
	position: relative;
	display: flex;
	align-items: flex-end;
	gap: clamp(20px, 3vw, 40px);
	margin-bottom: clamp(64px, 8vw, 120px);
}

.sec-head__num {
	font-size: clamp(72px, 10vw, 160px);
	line-height: .78;
	font-weight: 300;
	letter-spacing: 0;
	color: transparent;
	-webkit-text-stroke: 1px var(--red);
}

.sec-head__en {
	display: block;
	font-size: 12px;
	color: var(--gray-2);
	letter-spacing: .35em;
}

.section--dark .sec-head__en,
.section--navy .sec-head__en {
	color: rgba(255, 255, 255, .5);
}

.sec-head__ja {
	margin-top: 8px;
	font-size: clamp(26px, 3.2vw, 44px);
	line-height: 1.4;
	letter-spacing: .12em;
}

.sec-head__bg {
	position: absolute;
	right: calc(var(--gutter) * -1 - 2vw);
	top: 50%;
	z-index: -1;
	font-size: clamp(120px, 20vw, 340px);
	font-weight: 300;
	font-style: italic;
	line-height: 1;
	letter-spacing: -.01em;
	text-transform: none;
	color: transparent;
	-webkit-text-stroke: 1px rgba(0, 0, 0, .08);
	transform: translateY(calc(-50% + var(--py, 0px)));
	pointer-events: none;
	white-space: nowrap;
}

.section--light .wrap {
	isolation: isolate;
}

/* reveal */
.js .reveal {
	opacity: 0;
	transform: translateY(40px);
	transition: opacity 1.3s var(--expo), transform 1.3s var(--expo);
}

.js .reveal.is-in {
	opacity: 1;
	transform: none;
}

.reveal[data-delay="1"] {
	transition-delay: .12s;
}

.reveal[data-delay="2"] {
	transition-delay: .24s;
}

.reveal[data-delay="3"] {
	transition-delay: .36s;
}

/* ---------- About ---------- */
.statement {
	font-size: clamp(24px, 3.4vw, 50px);
	line-height: 1.75;
	letter-spacing: .08em;
	max-width: 1160px;
}

.statement .ch {
	color: #D5D5D8;
	transition: color .4s;
}

.statement .ch.on {
	color: var(--ink);
}

.statement .ch.red.on {
	color: var(--red);
}

.about__grid {
	display: grid;
	grid-template-columns: 5fr 7fr;
	gap: clamp(40px, 7vw, 120px);
	margin-top: clamp(80px, 10vw, 160px);
	padding-top: clamp(40px, 5vw, 64px);
	border-top: 1px solid var(--ink);
}

.about__catch {
	font-size: clamp(30px, 3.4vw, 52px);
	font-weight: 300;
	line-height: 1.25;
	letter-spacing: .02em;
	text-transform: none;
}

.about__catch i {
	color: var(--red);
}

.about__body p {
	color: var(--gray);
	font-size: 15px;
	line-height: 2.25;
}

.about__body p+p {
	margin-top: 1.6em;
}

.mark {
	color: var(--ink);
	background-image: linear-gradient(var(--red), var(--red));
	background-repeat: no-repeat;
	background-size: 100% 1px;
	background-position: 0 100%;
	padding-bottom: 2px;
}

.stats {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	margin-top: clamp(80px, 10vw, 140px);
}

.stats li {
	position: relative;
	padding: 28px 24px 0 0;
	border-top: 1px solid var(--ink);
}

.stats li+li {
	padding-left: 24px;
}

.stats li+li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 28px;
	bottom: 0;
	width: 1px;
	background: var(--line);
}

.stats__label {
	display: block;
	font-size: 11px;
	color: var(--gray-2);
	letter-spacing: .3em;
}

.stats__num {
	display: block;
	margin-top: 14px;
	font-weight: 300;
	font-size: clamp(60px, 7.4vw, 120px);
	line-height: .9;
	letter-spacing: 0;
	font-variant-numeric: tabular-nums;
}

.stats__unit {
	display: block;
	margin-top: 12px;
	font-size: 13px;
	color: var(--gray);
}

@media (max-width: 767px) {
	.about__grid {
		grid-template-columns: 1fr;
	}

	.stats {
		grid-template-columns: 1fr 1fr;
		row-gap: 40px;
	}

	.stats li:nth-child(3) {
		padding-left: 0;
	}

	.stats li:nth-child(3)::before {
		display: none;
	}
}

/* ---------- AI ---------- */
.ai__canvas {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100vh;
	opacity: .9;
	pointer-events: none;
}

.ai .wrap {
	z-index: 1;
}

.ai__hero {
	display: grid;
	grid-template-columns: 7fr 5fr;
	gap: clamp(40px, 6vw, 96px);
	align-items: end;
}

.ai__big {
	font-size: clamp(40px, 6.6vw, 108px);
	line-height: 1.3;
	letter-spacing: .06em;
}

.ai__big .line {
	display: block;
	overflow: hidden;
	padding-bottom: .04em;
}

.ai__big em {
	font-style: normal;
	color: var(--red);
}

.ai__lead {
	color: rgba(255, 255, 255, .7);
	font-size: 15px;
	line-height: 2.3;
}

.ai__cards {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1px;
	margin-top: clamp(96px, 11vw, 160px);
	background: var(--w12);
	border: 1px solid var(--w12);
}

.ai-card {
	position: relative;
	overflow: hidden;
	isolation: isolate;
	padding: clamp(36px, 4.4vw, 72px);
	background: var(--black);
	min-height: 440px;
	display: flex;
	flex-direction: column;
}

.ai-card::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	opacity: 0;
	transition: opacity .6s;
	background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(189, 10, 13, .22), transparent 60%);
}

.ai-card:hover::before {
	opacity: 1;
}

.ai-card::after {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 2px;
	background: var(--red);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .9s var(--expo);
}

.ai-card:hover::after {
	transform: scaleX(1);
}

.ai-card__head {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 16px;
	font-size: 12px;
	color: rgba(255, 255, 255, .5);
}

.ai-card__no {
	font-size: 15px;
	color: var(--red);
	letter-spacing: .2em;
}

.ai-card__en {
	letter-spacing: .3em;
	font-size: 11px;
	text-align: right;
}

.ai-card h3,
.ai-card h4 {
	margin-top: clamp(40px, 5vw, 80px);
	font-size: clamp(26px, 2.6vw, 38px);
	line-height: 1.45;
	letter-spacing: .1em;
}

.ai-card p {
	margin-top: 24px;
	font-size: 14px;
	line-height: 2.15;
	color: rgba(255, 255, 255, .66);
	max-width: 480px;
}

.tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: auto;
	padding-top: 32px;
}

.tags li {
	font-size: 11px;
	padding: 5px 14px;
	border: 1px solid var(--w30);
	border-radius: 999px;
	color: rgba(255, 255, 255, .8);
	letter-spacing: .06em;
}

.ai-card__glyph {
	position: absolute;
	right: -.08em;
	bottom: -.28em;
	z-index: -1;
	font-size: clamp(200px, 22vw, 340px);
	font-weight: 300;
	font-style: italic;
	line-height: 1;
	letter-spacing: 0;
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .08);
	transition: transform 1.2s var(--expo), -webkit-text-stroke-color .6s;
}

.ai-card:hover .ai-card__glyph {
	transform: translate(-6%, -6%);
	-webkit-text-stroke-color: rgba(255, 255, 255, .2);
}

.flow {
	margin-top: clamp(112px, 12vw, 180px);
}

.flow__title {
	font-size: 12px;
	letter-spacing: .35em;
	color: rgba(255, 255, 255, .5);
	margin-bottom: 40px;
}

.flow__line {
	height: 1px;
	background: var(--w12);
}

.flow__line i {
	display: block;
	height: 100%;
	background: var(--red);
	transform-origin: left;
	transform: scaleX(var(--p, 0));
}

.flow ol {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 32px;
}

.flow li {
	position: relative;
	padding-top: 36px;
}

.flow li::before {
	content: "";
	position: absolute;
	left: 0;
	top: -4px;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--black);
	border: 1px solid var(--red);
}

.flow__step {
	font-size: 12px;
	color: rgba(255, 255, 255, .5);
	letter-spacing: .25em;
}

.flow h3,
.flow h4 {
	margin-top: 10px;
	font-size: clamp(20px, 1.8vw, 26px);
	letter-spacing: .12em;
}

.flow p {
	margin-top: 12px;
	font-size: 13px;
	color: rgba(255, 255, 255, .62);
	line-height: 2.1;
}

.ai__cta {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	margin-top: clamp(112px, 12vw, 180px);
	padding: clamp(40px, 5vw, 72px) clamp(24px, 3vw, 48px);
	border-top: 1px solid var(--w30);
	border-bottom: 1px solid var(--w30);
	overflow: hidden;
	isolation: isolate;
	transition: color .7s var(--expo);
}

.ai__cta::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--white);
	clip-path: inset(0 100% 0 0);
	transition: clip-path .9s var(--expo);
}

.ai__cta:hover {
	color: var(--ink);
}

.ai__cta:hover::before {
	clip-path: inset(0 0 0 0);
}

.ai__cta-ja {
	font-size: clamp(20px, 2.4vw, 34px);
	line-height: 1.7;
	letter-spacing: .08em;
}

.ai__cta-ja small {
	display: block;
	margin-top: 8px;
	font-size: 13px;
	letter-spacing: .08em;
	opacity: .65;
}

.ai__cta-en {
	display: flex;
	align-items: center;
	gap: 20px;
	font-size: clamp(14px, 1.3vw, 18px);
	letter-spacing: .3em;
	white-space: nowrap;
}

.ai__cta:hover .arrow {
	width: 72px;
}

@media (max-width: 900px) {

	.ai__hero,
	.ai__cards {
		grid-template-columns: 1fr;
	}

	.ai-card {
		min-height: 0;
	}

	.flow ol {
		grid-template-columns: 1fr 1fr;
		row-gap: 48px;
	}

	.ai__cta {
		flex-direction: column;
		align-items: flex-start;
	}
}

@media (max-width: 560px) {
	.flow ol {
		grid-template-columns: 1fr;
	}

	.flow__line {
		display: none;
	}

	.flow li {
		padding-top: 0;
		padding-left: 28px;
		border-left: 1px solid var(--w12);
	}

	.flow li::before {
		left: -4px;
		top: 8px;
	}
}

/* ---------- Partnership ---------- */
.partner__intro {
	display: grid;
	grid-template-columns: 7fr 5fr;
	gap: clamp(40px, 6vw, 96px);
	align-items: end;
}

.partner__intro .ai__lead {
	margin-top: 40px;
	max-width: 620px;
}

.think--inline {
	position: relative;
	right: auto;
	bottom: auto;
	width: 100%;
	max-width: none;
	margin: 0;
	transition-delay: 0s;
}

.models {
	margin-top: clamp(80px, 9vw, 140px);
	border-top: 1px solid var(--w30);
}

.models__row {
	position: relative;
	isolation: isolate;
	display: grid;
	grid-template-columns: 72px 1fr 1.4fr;
	gap: 32px;
	align-items: center;
	padding: clamp(28px, 3vw, 44px) clamp(0px, 1.5vw, 24px);
	border-bottom: 1px solid var(--w12);
	transition: color .6s var(--expo);
}

.models__row::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--white);
	transform: scaleY(0);
	transform-origin: bottom;
	transition: transform .7s var(--expo);
}

.models__row:hover {
	color: var(--ink);
}

.models__row:hover::before {
	transform: scaleY(1);
}

.models__no {
	font-size: 15px;
	color: var(--red);
	letter-spacing: .2em;
}

.models__name h4 {
	font-size: clamp(20px, 2vw, 28px);
	letter-spacing: .1em;
	line-height: 1.5;
	transition: transform .7s var(--expo);
}

.models__row:hover .models__name h4 {
	transform: translateX(10px);
}

.models__for {
	margin-top: 6px;
	font-size: 12px;
	color: rgba(255, 255, 255, .5);
	letter-spacing: .08em;
	transition: color .6s;
}

.models__desc {
	font-size: 14px;
	line-height: 2.1;
	color: rgba(255, 255, 255, .66);
	transition: color .6s;
}

.models__row:hover .models__for,
.models__row:hover .models__desc {
	color: var(--gray);
}

.partner .ai__cta {
	margin-top: clamp(72px, 8vw, 112px);
}

@media (max-width: 1100px) {
	.partner__intro {
		grid-template-columns: 1fr;
	}

	.think--inline {
		max-width: 560px;
	}
}

@media (max-width: 900px) {
	.models__row {
		grid-template-columns: 44px 1fr;
		gap: 10px 16px;
		align-items: baseline;
	}

	.models__desc {
		grid-column: 2;
	}
}

/* ---------- Services ---------- */
.svc-lead {
	max-width: 560px;
	color: var(--gray);
	font-size: 15px;
	line-height: 2.2;
	margin: -40px 0 clamp(48px, 6vw, 80px) auto;
}

.svc {
	border-top: 1px solid var(--ink);
}

.svc__row {
	position: relative;
	isolation: isolate;
	display: grid;
	grid-template-columns: 72px 1.15fr 1.5fr 200px;
	gap: 32px;
	align-items: center;
	padding: clamp(32px, 3.4vw, 48px) clamp(0px, 1.5vw, 24px);
	border-bottom: 1px solid var(--line);
	transition: color .6s var(--expo);
}

.svc__row::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--ink);
	transform: scaleY(0);
	transform-origin: bottom;
	transition: transform .7s var(--expo);
}

.svc__row:hover {
	color: var(--white);
}

.svc__row:hover::before {
	transform: scaleY(1);
}

.svc__no {
	font-size: 15px;
	color: var(--red);
	letter-spacing: .2em;
}

.svc__name {
	font-size: clamp(22px, 2.2vw, 32px);
	letter-spacing: .1em;
	line-height: 1.4;
	transition: transform .7s var(--expo);
}

.svc__row:hover .svc__name {
	transform: translateX(12px);
}

.svc__name small {
	display: block;
	margin-top: 6px;
	font-size: 11px;
	letter-spacing: .3em;
	color: var(--gray-2);
}

.svc__desc {
	color: var(--gray);
	font-size: 14px;
	line-height: 2.05;
	transition: color .6s;
}

.svc__row:hover .svc__desc {
	color: rgba(255, 255, 255, .7);
}

.svc__price {
	text-align: right;
	font-size: 12px;
	color: var(--gray-2);
}

.svc__price b {
	display: block;
	font-weight: 400;
	font-size: 20px;
	letter-spacing: .1em;
	color: inherit;
}

.svc__price b.en {
	font-size: 32px;
	font-weight: 300;
	letter-spacing: .02em;
	line-height: 1.2;
}

.svc__row .svc__price b {
	color: var(--ink);
	transition: color .6s;
}

.svc__row:hover .svc__price b {
	color: var(--white);
}

.svc__note {
	margin-top: 28px;
	font-size: 12px;
	color: var(--gray-2);
}

@media (max-width: 900px) {
	.svc-lead {
		margin: -32px 0 48px;
	}

	.svc__row {
		grid-template-columns: 44px 1fr;
		gap: 10px 16px;
		align-items: baseline;
	}

	.svc__desc,
	.svc__price {
		grid-column: 2;
	}

	.svc__price {
		text-align: left;
		display: flex;
		align-items: baseline;
		gap: 12px;
		margin-top: 6px;
	}

	.svc__price b {
		display: inline;
	}
}

/* ---------- Why ---------- */
.why__list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1px;
	background: var(--w12);
	border-top: 1px solid var(--w30);
}

.why__list li {
	background: var(--navy);
	padding: 40px clamp(0px, 2.4vw, 40px) 16px 0;
}

.why__list li+li {
	padding-left: clamp(24px, 2.4vw, 40px);
}

.why__num {
	display: block;
	font-size: clamp(80px, 9vw, 150px);
	font-weight: 300;
	line-height: .8;
	letter-spacing: 0;
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .35);
}

.why__list h3 {
	margin-top: 40px;
	font-size: clamp(20px, 1.9vw, 26px);
	letter-spacing: .1em;
	line-height: 1.65;
}

.why__list p {
	margin-top: 18px;
	font-size: 14px;
	color: rgba(255, 255, 255, .66);
	line-height: 2.15;
}

@media (max-width: 767px) {
	.why__list {
		grid-template-columns: 1fr;
	}

	.why__list li,
	.why__list li+li {
		padding: 40px 0;
	}
}

/* ---------- Company ---------- */
.company {
	display: grid;
	grid-template-columns: 4fr 8fr;
	gap: clamp(40px, 6vw, 112px);
}

.company__card {
	position: sticky;
	top: 120px;
	align-self: start;
	aspect-ratio: 4 / 5;
	background: var(--black);
	color: var(--white);
	padding: clamp(32px, 3.6vw, 56px);
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	overflow: hidden;
}

.company__card::after {
	content: "TSTL";
	position: absolute;
	right: -.1em;
	bottom: -.3em;
	font-family: var(--en);
	font-style: italic;
	font-weight: 300;
	font-size: 180px;
	line-height: 1;
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .1);
	pointer-events: none;
}

.company__card img {
	width: 88px;
}

.company__name {
	font-size: 22px;
	letter-spacing: .3em;
}

.company__copy {
	margin-top: 10px;
	padding-top: 16px;
	border-top: 1px solid var(--w30);
	font-size: 13px;
	color: var(--w60);
	line-height: 2;
}

.table>div {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 24px;
	padding: 26px 0;
	border-bottom: 1px solid var(--line);
}

.table>div:first-child {
	border-top: 1px solid var(--ink);
}

.table dt {
	font-size: 13px;
	color: var(--gray-2);
}

.table dt .en {
	display: block;
	margin-top: 2px;
	font-size: 10px;
	letter-spacing: .3em;
}

.table dd {
	font-size: 15px;
}

.table dd ul {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 6px 24px;
}

.table dd li {
	position: relative;
	padding-left: 18px;
	font-size: 14px;
}

.table dd li::before {
	content: "";
	position: absolute;
	left: 0;
	top: .95em;
	width: 8px;
	height: 1px;
	background: var(--ink);
}

.table dd li.is-new {
	color: var(--red);
}

.table dd li.is-new::before {
	background: var(--red);
}

.table a {
	background-image: linear-gradient(currentColor, currentColor);
	background-repeat: no-repeat;
	background-size: 0 1px;
	background-position: 0 100%;
	transition: background-size .5s var(--expo);
}

.table a:hover {
	background-size: 100% 1px;
}

@media (max-width: 767px) {
	.company {
		grid-template-columns: 1fr;
	}

	.company__card {
		position: relative;
		top: 0;
		aspect-ratio: auto;
		min-height: 280px;
	}

	.table>div {
		grid-template-columns: 1fr;
		gap: 4px;
		padding: 20px 0;
	}

	.table dd ul {
		grid-template-columns: 1fr;
	}
}

/* ---------- Sub page (AI導入支援) ---------- */
.hero--sub {
	min-height: 92svh;
}

.breadcrumb {
	pointer-events: auto;
	margin-bottom: clamp(28px, 4vw, 48px);
}

.breadcrumb ol {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	font-family: var(--en);
	font-size: 12px;
	letter-spacing: .2em;
	color: rgba(255, 255, 255, .5);
}

.breadcrumb li {
	display: flex;
	align-items: center;
	gap: 10px;
}

.breadcrumb li+li::before {
	content: "";
	width: 16px;
	height: 1px;
	background: var(--w30);
}

.breadcrumb li[aria-current] {
	color: var(--white);
	font-family: var(--serif);
	letter-spacing: .1em;
}

.breadcrumb a:hover {
	color: var(--white);
}

.hero--sub .hero__title {
	font-size: clamp(38px, 6.6vw, 108px);
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: clamp(32px, 4vw, 48px);
	pointer-events: auto;
	opacity: 0;
	transform: translateY(16px);
	transition: opacity 1.4s var(--expo) 1.5s, transform 1.4s var(--expo) 1.5s;
}

.is-ready .hero__actions {
	opacity: 1;
	transform: none;
}

.pill {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	display: inline-flex;
	align-items: center;
	gap: 18px;
	height: 56px;
	padding: 0 32px;
	border: 1px solid var(--w60);
	border-radius: 999px;
	font-size: 14px;
	letter-spacing: .12em;
	color: var(--white);
	transition: color .5s var(--expo), border-color .5s;
}

.pill::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--white);
	transform: translateY(101%);
	transition: transform .6s var(--expo);
}

.pill:hover {
	color: var(--black);
	border-color: var(--white);
}

.pill:hover::before {
	transform: none;
}

.pill--solid {
	background: var(--red);
	border-color: var(--red);
}

.pill--solid .arrow {
	width: 24px;
}

.pill:hover .arrow {
	width: 40px;
}

@media (max-width: 767px) {
	.hero--sub .hero__title {
		font-size: 9.2vw;
	}

	.hero__actions .pill {
		width: 100%;
		justify-content: center;
	}

	.hero--sub .hero__meta {
		display: none;
	}

	.hero--sub .hero__inner {
		padding-bottom: 120px;
	}
}

.problems {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	border-top: 1px solid var(--ink);
}

.problems li {
	position: relative;
	padding: 36px 32px 36px 0;
	border-bottom: 1px solid var(--line);
}

.problems li:not(:nth-child(3n+1)) {
	padding-left: 32px;
	border-left: 1px solid var(--line);
}

.problems .en {
	font-size: 14px;
	color: var(--red);
	letter-spacing: .2em;
}

.problems p {
	margin-top: 14px;
	font-size: clamp(16px, 1.5vw, 20px);
	line-height: 1.8;
	letter-spacing: .06em;
}

.problems p small {
	display: block;
	margin-top: 8px;
	font-size: 13px;
	line-height: 1.9;
	letter-spacing: .04em;
	color: var(--gray);
}

.ai-card .models__for {
	margin-top: 14px;
	color: var(--red-hi);
	font-size: 12px;
	letter-spacing: .1em;
}

.answer {
	margin-top: clamp(72px, 9vw, 128px);
	padding: clamp(40px, 5vw, 72px);
	background: var(--black);
	color: var(--white);
	position: relative;
	overflow: hidden;
}

.answer::after {
	content: "Answer";
	position: absolute;
	right: -.05em;
	bottom: -.3em;
	font-family: var(--en);
	font-style: italic;
	font-weight: 300;
	font-size: clamp(120px, 16vw, 240px);
	line-height: 1;
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .08);
	pointer-events: none;
}

.answer__en {
	font-size: 18px;
	color: var(--red);
	text-transform: none;
}

.answer__text {
	position: relative;
	z-index: 1;
	margin-top: 16px;
	font-size: clamp(18px, 2.1vw, 30px);
	line-height: 1.9;
	letter-spacing: .08em;
}

.answer .mark {
	color: var(--white);
}

@media (max-width: 900px) {
	.problems {
		grid-template-columns: 1fr 1fr;
	}

	.problems li:not(:nth-child(3n+1)) {
		padding-left: 0;
		border-left: 0;
	}

	.problems li:nth-child(even) {
		padding-left: 20px;
		border-left: 1px solid var(--line);
	}

	.problems li {
		padding-right: 16px;
	}
}

@media (max-width: 560px) {
	.problems {
		grid-template-columns: 1fr;
	}

	.problems li:nth-child(even) {
		padding-left: 0;
		border-left: 0;
	}

	.problems br {
		display: none;
	}
}

.deliverables {
	margin-top: auto;
	padding-top: 32px;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px 20px;
	border-top: 1px solid var(--w12);
}

.deliverables li {
	position: relative;
	padding-left: 16px;
	font-size: 13px;
	color: rgba(255, 255, 255, .8);
}

.deliverables li::before {
	content: "";
	position: absolute;
	left: 0;
	top: .9em;
	width: 7px;
	height: 1px;
	background: var(--red);
}

.ai-card .deliverables {
	margin-top: 32px;
}

.usecase {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1px;
	background: var(--line);
	border: 1px solid var(--line);
}

.usecase__item {
	position: relative;
	background: var(--white);
	padding: clamp(32px, 3.4vw, 48px);
	isolation: isolate;
	overflow: hidden;
	transition: color .6s var(--expo);
}

.usecase__item::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--ink);
	transform: scaleY(0);
	transform-origin: bottom;
	transition: transform .7s var(--expo);
}

.usecase__item:hover {
	color: var(--white);
}

.usecase__item:hover::before {
	transform: scaleY(1);
}

.usecase__dept {
	display: flex;
	align-items: baseline;
	gap: 12px;
	font-size: 13px;
	color: var(--gray);
	transition: color .6s;
}

.usecase__dept .en {
	font-size: 12px;
	color: var(--red);
	letter-spacing: .25em;
}

.usecase__item h3 {
	margin-top: 24px;
	font-size: clamp(18px, 1.6vw, 22px);
	line-height: 1.6;
	letter-spacing: .08em;
}

.usecase__item>p:last-child {
	margin-top: 16px;
	font-size: 14px;
	line-height: 2.1;
	color: var(--gray);
	transition: color .6s;
}

.usecase__item:hover .usecase__dept,
.usecase__item:hover>p:last-child {
	color: rgba(255, 255, 255, .7);
}

@media (max-width: 900px) {
	.usecase {
		grid-template-columns: 1fr 1fr;
	}
}

@media (max-width: 560px) {
	.usecase {
		grid-template-columns: 1fr;
	}
}

.flow--first {
	margin-top: 0;
}

.related {
	margin-top: clamp(72px, 8vw, 112px);
}

.related__title {
	font-size: 12px;
	color: var(--gray-2);
	letter-spacing: .35em;
	margin-bottom: 20px;
}

.related ul {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}

.related a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 24px 28px;
	background: var(--white);
	border: 1px solid var(--line);
	font-size: 15px;
	letter-spacing: .08em;
	transition: border-color .4s, background .4s, color .4s;
}

.related a:hover {
	background: var(--ink);
	color: var(--white);
	border-color: var(--ink);
}

.related a:hover .arrow {
	width: 52px;
}

@media (max-width: 767px) {
	.related ul {
		grid-template-columns: 1fr;
	}
}

/* ---------- お問い合わせページ ---------- */
.contact-page {
	padding-top: clamp(130px, 13vw, 190px);
	min-height: 100svh;
}

.contact--page {
	grid-template-columns: 4fr 8fr;
	align-items: start;
}

.contact__title {
	font-size: clamp(24px, 2.6vw, 36px);
	line-height: 1.7;
	letter-spacing: .1em;
	font-weight: 400;
}

.contact--page .contact__lead {
	position: sticky;
	top: 110px;
}

.contact__steps {
	margin-top: 36px;
	border-top: 1px solid var(--w30);
	counter-reset: none;
}

.contact__steps li {
	display: flex;
	gap: 16px;
	padding: 14px 0;
	border-bottom: 1px solid var(--w12);
	font-size: 14px;
	color: rgba(255, 255, 255, .8);
}

.contact__steps .en {
	font-size: 12px;
	color: var(--red-hi);
	letter-spacing: .2em;
	padding-top: 2px;
}

.ctype legend {
	font-size: 12px;
	letter-spacing: .15em;
	color: rgba(255, 255, 255, .55);
	margin-bottom: 16px;
}

.ctype__list {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
}

.ctype__list input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.ctype__list label {
	position: relative;
	display: grid;
	gap: 4px;
	padding: 20px 22px 18px;
	border: 1px solid var(--w30);
	cursor: pointer;
	transition: border-color .3s, background .3s;
}

.ctype__list label .en {
	font-size: 12px;
	color: rgba(255, 255, 255, .45);
	letter-spacing: .2em;
}

.ctype__list label b {
	font-weight: 400;
	font-size: 18px;
	letter-spacing: .1em;
}

.ctype__list label small {
	font-size: 12px;
	line-height: 1.7;
	color: rgba(255, 255, 255, .6);
}

.ctype__list label::after {
	content: "";
	position: absolute;
	right: 18px;
	top: 20px;
	width: 14px;
	height: 14px;
	border: 1px solid var(--w30);
	border-radius: 50%;
	transition: all .3s;
}

.ctype__list label:hover {
	border-color: var(--white);
}

.ctype__list input:checked+label {
	border-color: var(--red-hi);
	background: rgba(224, 22, 26, .08);
}

.ctype__list input:checked+label .en {
	color: var(--red-hi);
}

.ctype__list input:checked+label::after {
	border-color: var(--red-hi);
	background: var(--red-hi);
	box-shadow: inset 0 0 0 3px var(--black);
}

.ctype__list input:focus-visible+label {
	outline: 1px solid var(--white);
	outline-offset: 3px;
}

.contact-page .form__topics {
	margin-top: 40px;
}

.fgroup[hidden] {
	display: none;
}

.form__radios {
	margin-top: 32px;
}

.field--select select {
	width: 100%;
	border: 0;
	border-bottom: 1px solid var(--w30);
	border-radius: 0;
	padding: 26px 0 12px;
	font: inherit;
	font-size: 16px;
	background: transparent;
	color: var(--white);
	-webkit-appearance: none;
	appearance: none;
	cursor: pointer;
}

@media (max-width: 900px) {
	.contact--page {
		grid-template-columns: 1fr;
	}

	.contact--page .contact__lead {
		position: static;
	}
}

@media (max-width: 560px) {
	.ctype__list {
		grid-template-columns: 1fr;
	}
}

/* ---------- お問い合わせへの導線（各ページ下部） ---------- */
.cta-routes {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1px;
	background: var(--w12);
	border: 1px solid var(--w12);
}

.cta-routes a {
	position: relative;
	isolation: isolate;
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-height: 240px;
	padding: 32px 28px;
	background: var(--black);
	transition: color .6s var(--expo);
}

.cta-routes a::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--white);
	transform: scaleY(0);
	transform-origin: bottom;
	transition: transform .7s var(--expo);
}

.cta-routes a:hover {
	color: var(--ink);
}

.cta-routes a:hover::before {
	transform: scaleY(1);
}

.cta-routes .en {
	font-size: 12px;
	color: var(--red-hi);
	letter-spacing: .2em;
}

.cta-routes b {
	font-weight: 400;
	font-size: clamp(18px, 1.6vw, 22px);
	letter-spacing: .1em;
}

.cta-routes small {
	font-size: 13px;
	line-height: 1.9;
	color: rgba(255, 255, 255, .6);
	transition: color .6s;
}

.cta-routes a:hover small {
	color: var(--gray);
}

.cta-routes .arrow {
	margin-top: auto;
}

.cta-routes a:hover .arrow {
	width: 60px;
}

.cta-routes.is-2 {
	grid-template-columns: repeat(2, 1fr);
}

.cta-routes.is-3 {
	grid-template-columns: repeat(3, 1fr);
}

.cta-foot {
	margin-top: 28px;
	display: flex;
	flex-wrap: wrap;
	gap: 12px 32px;
	font-size: 14px;
	color: rgba(255, 255, 255, .65);
}

.cta-foot a {
	color: var(--white);
	border-bottom: 1px solid var(--red);
}

@media (max-width: 1023px) {

	.cta-routes,
	.cta-routes.is-3 {
		grid-template-columns: 1fr 1fr;
	}
}

@media (max-width: 560px) {

	.cta-routes,
	.cta-routes.is-2,
	.cta-routes.is-3 {
		grid-template-columns: 1fr;
	}

	.cta-routes a {
		min-height: 0;
	}
}

/* ---------- Policy ---------- */
.policy {
	padding-top: clamp(140px, 14vw, 200px);
}

.breadcrumb--light ol {
	color: var(--gray-2);
}

.breadcrumb--light li+li::before {
	background: var(--line);
}

.breadcrumb--light li[aria-current] {
	color: var(--ink);
}

.policy__body {
	max-width: 820px;
}

.policy__body>p,
.policy__body li {
	font-size: 15px;
	line-height: 2.1;
	color: var(--gray);
}

.policy__body h2 {
	margin: 48px 0 12px;
	padding-top: 20px;
	border-top: 1px solid var(--line);
	font-size: 19px;
	letter-spacing: .08em;
}

.policy__body ul {
	margin-top: 8px;
}

.policy__body li {
	position: relative;
	padding-left: 18px;
}

.policy__body li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 1em;
	width: 8px;
	height: 1px;
	background: var(--ink);
}

.policy__body a {
	color: var(--ink);
}

.policy__date {
	margin-top: 56px;
	font-size: 13px !important;
}

/* ---------- FAQ ---------- */
.section--paper {
	background: var(--paper);
	color: var(--ink);
}

.section--paper .sec-head__bg {
	-webkit-text-stroke-color: rgba(0, 0, 0, .07);
}

.faq {
	border-top: 1px solid var(--ink);
}

.faq__item {
	border-bottom: 1px solid var(--line);
}

.faq__item summary {
	display: grid;
	grid-template-columns: 88px 1fr 40px;
	align-items: center;
	gap: 16px;
	padding: clamp(24px, 2.6vw, 36px) 0;
	cursor: pointer;
	list-style: none;
}

.faq__item summary::-webkit-details-marker {
	display: none;
}

.faq__q {
	font-size: 16px;
	color: var(--red);
	letter-spacing: .15em;
}

.faq__item h3 {
	font-size: clamp(16px, 1.6vw, 22px);
	letter-spacing: .08em;
	line-height: 1.6;
	transition: transform .6s var(--expo);
}

.faq__item summary:hover h3 {
	transform: translateX(8px);
}

.faq__icon {
	position: relative;
	width: 40px;
	height: 40px;
	border: 1px solid var(--line);
	border-radius: 50%;
	transition: background .4s, border-color .4s, transform .6s var(--expo);
}

.faq__icon::before,
.faq__icon::after {
	content: "";
	position: absolute;
	left: 50%;
	top: 50%;
	width: 12px;
	height: 1px;
	margin-left: -6px;
	background: var(--ink);
	transition: transform .5s var(--expo), background .4s;
}

.faq__icon::after {
	transform: rotate(90deg);
}

.faq__item[open] .faq__icon {
	background: var(--ink);
	border-color: var(--ink);
	transform: rotate(180deg);
}

.faq__item[open] .faq__icon::before,
.faq__item[open] .faq__icon::after {
	background: var(--white);
}

.faq__item[open] .faq__icon::after {
	transform: rotate(0);
}

.faq__a {
	padding: 0 56px clamp(28px, 3vw, 40px) 104px;
}

.faq__a p {
	font-size: 14px;
	line-height: 2.2;
	color: var(--gray);
	max-width: 760px;
}

.faq__item[open] .faq__a {
	animation: faqIn .7s var(--expo);
}

@keyframes faqIn {
	from {
		opacity: 0;
		transform: translateY(-8px);
	}
}

@media (max-width: 767px) {
	.faq__item summary {
		grid-template-columns: 1fr 36px;
		gap: 6px 16px;
	}

	.faq__q {
		grid-column: 1 / -1;
		font-size: 13px;
	}

	.faq__icon {
		width: 36px;
		height: 36px;
	}

	.faq__a {
		padding: 0 0 28px;
	}
}

/* ---------- Contact ---------- */
.contact-sec {
	padding-top: 0;
}

.contact-marquee {
	overflow: hidden;
	padding: clamp(40px, 6vw, 88px) 0 clamp(64px, 8vw, 120px);
}

.contact-marquee__track {
	display: flex;
	width: max-content;
	will-change: transform;
	text-transform: none;
}

.contact-marquee__track span {
	font-size: clamp(80px, 15vw, 240px);
	font-weight: 300;
	font-style: italic;
	line-height: 1.05;
	letter-spacing: -.01em;
	white-space: nowrap;
	padding-right: .3em;
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .4);
}

.contact-marquee__track span:nth-child(odd) {
	color: var(--white);
	-webkit-text-stroke: 0;
}

.contact-marquee__track i {
	color: var(--red);
	-webkit-text-stroke: 0;
	font-style: normal;
}

.contact {
	display: grid;
	grid-template-columns: 5fr 7fr;
	gap: clamp(40px, 7vw, 120px);
}

.contact__lead h3 {
	font-size: clamp(26px, 2.8vw, 40px);
	line-height: 1.7;
	letter-spacing: .1em;
}

.contact__lead p {
	margin-top: 28px;
	color: rgba(255, 255, 255, .65);
	font-size: 14px;
	line-height: 2.2;
}

.contact__lead dl {
	margin-top: 48px;
	border-top: 1px solid var(--w30);
}

.contact__lead dl div {
	display: flex;
	align-items: baseline;
	gap: 24px;
	padding: 20px 0;
	border-bottom: 1px solid var(--w12);
}

.contact__lead dt {
	width: 56px;
	font-size: 11px;
	letter-spacing: .3em;
	color: rgba(255, 255, 255, .45);
}

.contact__lead dd {
	font-family: var(--en);
	font-size: clamp(20px, 1.8vw, 26px);
	letter-spacing: .06em;
}

.contact__lead dd a {
	background-image: linear-gradient(var(--red), var(--red));
	background-repeat: no-repeat;
	background-size: 0 1px;
	background-position: 0 100%;
	transition: background-size .5s var(--expo);
}

.contact__lead dd a:hover {
	background-size: 100% 1px;
}

.form__topics legend {
	font-size: 12px;
	letter-spacing: .15em;
	color: rgba(255, 255, 255, .55);
	margin-bottom: 16px;
}

.form__chips {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.form__chips input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.form__chips label {
	padding: 9px 20px;
	border: 1px solid var(--w30);
	border-radius: 999px;
	font-size: 13px;
	cursor: pointer;
	transition: all .35s var(--expo);
}

.form__chips label:hover {
	border-color: var(--white);
}

.form__chips input:checked+label {
	background: var(--white);
	color: var(--black);
	border-color: var(--white);
}

.form__chips input:focus-visible+label {
	outline: 1px solid var(--red);
	outline-offset: 3px;
}

.form__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0 32px;
}

.field {
	position: relative;
	margin-top: 40px;
}

.field input,
.field textarea {
	width: 100%;
	border: 0;
	border-bottom: 1px solid var(--w30);
	border-radius: 0;
	padding: 26px 0 12px;
	font: inherit;
	font-size: 16px;
	background: transparent;
	color: var(--white);
	-webkit-appearance: none;
	appearance: none;
}

.field textarea {
	min-height: 160px;
	resize: vertical;
}

.field label {
	position: absolute;
	left: 0;
	top: 26px;
	font-size: 14px;
	color: rgba(255, 255, 255, .55);
	letter-spacing: .1em;
	pointer-events: none;
	transition: all .4s var(--expo);
}

.field .req {
	color: var(--red);
	margin-left: 4px;
}

.field input:focus+label,
.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,
.field textarea:not(:placeholder-shown)+label {
	top: 0;
	font-size: 11px;
	color: var(--white);
}

.field::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 1px;
	background: var(--red);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .6s var(--expo);
}

.field:has(textarea)::after {
	bottom: 6px;
}

.field:focus-within::after {
	transform: scaleX(1);
}

.field input:focus,
.field textarea:focus {
	outline: none;
}

.submit {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	display: flex;
	align-items: center;
	width: 100%;
	gap: 24px;
	margin-top: 56px;
	padding: 28px 36px;
	border: 1px solid var(--white);
	background: transparent;
	cursor: pointer;
	text-align: left;
	transition: color .6s var(--expo);
}

.submit::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--white);
	transform: translateY(101%);
	transition: transform .7s var(--expo);
}

.submit:hover {
	color: var(--black);
}

.submit:hover::before {
	transform: none;
}

.submit__ja {
	font-size: 18px;
	letter-spacing: .2em;
}

.submit__en {
	margin-left: auto;
	font-size: 12px;
	letter-spacing: .3em;
	opacity: .6;
}

.submit:hover .arrow {
	width: 64px;
}

.form__hp {
	position: absolute;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.form__privacy {
	margin-top: 40px;
	font-size: 12px;
	line-height: 1.9;
	color: rgba(255, 255, 255, .55);
}

.form__privacy a {
	color: var(--white);
	text-decoration: underline;
	text-underline-offset: 3px;
}

.form__privacy+.submit {
	margin-top: 16px;
}

.form__error {
	margin-top: 20px;
	padding: 14px 18px;
	border-left: 2px solid var(--red-hi);
	background: rgba(224, 22, 26, .08);
	font-size: 14px;
	line-height: 1.9;
	white-space: pre-line;
}

.submit:disabled {
	opacity: .6;
	cursor: wait;
}

.thx {
	display: none;
	border-top: 1px solid var(--w30);
	padding-top: 40px;
}

.thx__en {
	font-size: 56px;
	line-height: 1;
	color: var(--red);
	text-transform: none;
}

.thx h4 {
	margin-top: 24px;
	font-size: 22px;
	letter-spacing: .1em;
}

.thx p {
	margin-top: 16px;
	color: rgba(255, 255, 255, .7);
	font-size: 14px;
}

.thx #thx_email {
	color: var(--white);
	border-bottom: 1px solid var(--red);
}

.field--select select option {
	color: var(--ink);
}

.field--select label {
	top: 0;
	font-size: 11px;
	color: var(--white);
}

.field--select::before {
	content: "";
	position: absolute;
	right: 4px;
	bottom: 20px;
	width: 7px;
	height: 7px;
	border-right: 1px solid var(--white);
	border-bottom: 1px solid var(--white);
	transform: rotate(45deg);
	pointer-events: none;
}

.field--select select:focus {
	outline: none;
}

@media (max-width: 900px) {
	.contact {
		grid-template-columns: 1fr;
	}

	.form__grid {
		grid-template-columns: 1fr;
	}

	.submit {
		padding: 24px;
	}

	.submit__en {
		display: none;
	}

	.submit .arrow {
		margin-left: auto;
	}
}

/* ---------- Footer ---------- */
.footer {
	position: relative;
	background: var(--black);
	color: var(--white);
	padding-top: clamp(80px, 9vw, 128px);
	border-top: 1px solid var(--w12);
	overflow: hidden;
}

.footer__top {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 40px;
	flex-wrap: wrap;
}

.footer__brand img {
	width: 60px;
}

.footer__brand address {
	font-style: normal;
}

.footer__brand address a:hover {
	color: var(--white);
}

.footer__brand p,
.footer__brand address {
	margin-top: 24px;
	font-size: 12px;
	color: rgba(255, 255, 255, .5);
	line-height: 2;
}

.footer__nav {
	display: grid;
	grid-template-columns: repeat(2, auto);
	gap: 12px 72px;
}

.footer__nav a {
	font-size: 16px;
	letter-spacing: .2em;
	color: rgba(255, 255, 255, .7);
	transition: color .3s, letter-spacing .5s var(--expo);
}

.footer__nav a:hover {
	color: var(--white);
	letter-spacing: .3em;
}

.footer__big {
	display: flex;
	justify-content: space-between;
	padding: 0 calc(var(--gutter) - .04em);
	margin-top: clamp(64px, 8vw, 120px);
	font-size: 28vw;
	font-weight: 300;
	line-height: .74;
	letter-spacing: 0;
	overflow: hidden;
}

.footer__big span {
	display: block;
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, .35);
	transform: translateY(100%);
	transition: transform 1.4s var(--expo), color .6s, -webkit-text-stroke-color .6s;
}

.footer__big.is-in span {
	transform: none;
}

.footer__big span:nth-child(2) {
	transition-delay: .08s;
}

.footer__big span:nth-child(3) {
	transition-delay: .16s;
}

.footer__big span:nth-child(4) {
	transition-delay: .24s;
}

.footer__big span:hover {
	color: var(--white);
	-webkit-text-stroke-color: transparent;
	transition-delay: 0s;
}

.footer__big span:nth-child(3):hover {
	color: var(--red);
}

.footer__bottom {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
	padding: 28px 0;
	border-top: 1px solid var(--w12);
	font-size: 11px;
	color: rgba(255, 255, 255, .45);
}

.footer__bottom small {
	font-size: 11px;
	letter-spacing: .2em;
}

.footer__sns {
	display: flex;
	gap: 28px;
}

.footer__legal {
	font-size: 11px;
	color: rgba(255, 255, 255, .5);
	margin-right: auto;
	margin-left: 24px;
}

.footer__legal:hover {
	color: var(--white);
}

.footer__sns a {
	font-size: 12px;
	transition: color .3s;
}

.footer__sns a:hover {
	color: var(--white);
}

@media (max-width: 767px) {
	.footer__bottom {
		flex-direction: column-reverse;
		align-items: flex-start;
	}
}

/* ---------- To top ---------- */
.to-top {
	position: fixed;
	right: 24px;
	bottom: 24px;
	z-index: 600;
	width: 52px;
	height: 52px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	color: var(--white);
	background: var(--black);
	border: 1px solid var(--w30);
	opacity: 0;
	visibility: hidden;
	transform: translateY(12px);
	transition: opacity .5s, visibility .5s, transform .5s var(--expo), background .3s;
}

.to-top::before {
	content: "";
	width: 10px;
	height: 10px;
	border-left: 1px solid;
	border-top: 1px solid;
	transform: translateY(3px) rotate(45deg);
}

.to-top.is-show {
	opacity: 1;
	visibility: visible;
	transform: none;
}

.to-top:hover {
	background: var(--red);
	border-color: var(--red);
}

/* 画面のちらつきに敏感な方向けに、粒子ノイズの揺れだけは止める */
@media (prefers-reduced-motion: reduce) {
	.grain {
		animation: none;
	}
}