:root {
	--bg: #FFFFFF;
	--bg-soft: #F8FAFC;
	--bg-dark: #0F172A;
	--ink: #0F172A;
	--ink-light: #475569;
	--accent: #0D9488;
	--accent-soft: #CCFBF1;
	--font-display: 'Outfit', sans-serif;
	--font-body: 'Noto Sans JP', sans-serif;
	--r-md: 12px;
	--r-lg: 24px;
	--dur: 0.6s;
	--ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
	font-family: var(--font-body);
	line-height: 1.8;
	color: var(--ink);
	background: var(--bg);
	overflow-x: hidden;
	-webkit-font-smoothing: antialiased;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 24px;
}

@media (max-width: 767px) {
	.u-pc { display: none !important; }
}
@media (min-width: 768px) {
	.u-sp { display: none !important; }
}

/* Utilities for Animations */
.u-reveal {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.u-reveal.is-active {
	opacity: 1;
	transform: translateY(0);
}

/* Loader */
.loader {
	position: fixed;
	inset: 0;
	background: var(--bg-dark);
	z-index: 9999;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: opacity 0.8s ease;
}
.loader__line {
	width: 0;
	height: 2px;
	background: var(--accent);
	animation: loader-anim 1.5s var(--ease) forwards;
}
@keyframes loader-anim { 0% { width: 0; } 100% { width: 200px; } }

/* Header */
.header {
	position: fixed;
	top: 0; left: 0; width: 100%;
	padding: 24px 0;
	z-index: 1000;
	transition: all 0.4s var(--ease);
}
.is-loaded .header {
	background: rgba(255, 255, 255, 0.85);
	backdrop-filter: blur(12px);
	padding: 16px 0;
	box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}
.header__inner {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 4%;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.header__logo {
	font-family: var(--font-display);
	font-size: 1.5rem;
	font-weight: 800;
	letter-spacing: 0.05em;
	color: var(--ink);
}
.header__logo span { color: var(--accent); }

.nav__list {
	display: flex;
	list-style: none;
	gap: 40px;
	align-items: center;
}
.nav__list a {
	font-family: var(--font-display);
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--ink);
	letter-spacing: 0.1em;
	transition: color 0.3s;
}
.nav__list a:hover { color: var(--accent); }
.nav__cta {
	background: var(--bg-dark);
	color: #fff !important;
	padding: 10px 24px;
	border-radius: var(--r-md);
	transition: transform 0.3s var(--ease) !important;
}
.nav__cta:hover { transform: translateY(-2px); }

.header__hamburger {
	display: none;
	background: none; border: none;
	width: 32px; height: 32px;
	position: relative;
}
.header__hamburger span {
	display: block; width: 100%; height: 2px;
	background: var(--ink);
	position: absolute; left: 0;
}
.header__hamburger span:first-child { top: 10px; }
.header__hamburger span:last-child { bottom: 10px; }

@media (max-width: 768px) {
	.header__nav { display: none; }
	.header__hamburger { display: block; }
}

/* Hero */
.hero {
	height: 100vh;
	min-height: 700px;
	position: relative;
	display: flex;
	align-items: center;
	padding-top: 80px;
}
.hero__image-container {
	position: absolute;
	inset: 0;
	z-index: 0;
}
.hero__image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	filter: brightness(0.85) grayscale(20%);
}
.hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 50%, transparent 100%);
}

.hero__content {
	position: relative;
	z-index: 1;
	max-width: 720px;
}
.hero__label {
	font-family: var(--font-display);
	font-size: 0.875rem;
	font-weight: 700;
	color: var(--accent);
	letter-spacing: 0.3em;
	margin-bottom: 24px;
}
.hero__title {
	font-size: clamp(2.5rem, 8vw, 4.5rem);
	font-weight: 900;
	line-height: 1.1;
	letter-spacing: -0.02em;
	margin-bottom: 32px;
}
.hero__title span { color: var(--accent); }
.hero__text {
	font-size: 1.125rem;
	line-height: 2;
	color: var(--ink-light);
	max-width: 540px;
	margin-bottom: 48px;
}
.hero__actions {
	display: flex;
	gap: 20px;
}

.btn-primary, .btn-outline {
	display: inline-flex;
	padding: 18px 40px;
	border-radius: var(--r-md);
	font-family: var(--font-display);
	font-size: 0.875rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	transition: all 0.3s var(--ease);
}
.btn-primary {
	background: var(--bg-dark);
	color: #fff;
}
.btn-primary:hover {
	background: var(--accent);
	transform: translateY(-3px);
	box-shadow: 0 10px 30px rgba(13, 148, 136, 0.3);
}
.btn-outline {
	border: 2px solid var(--bg-dark);
	color: var(--bg-dark);
}
.btn-outline:hover {
	background: var(--bg-dark);
	color: #fff;
}

.hero__scroll {
	position: absolute;
	bottom: 40px;
	left: 50%;
	transform: translateX(-50%);
	text-align: center;
	font-family: var(--font-display);
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.2em;
}
.hero__scroll span {
	display: block;
	width: 1px;
	height: 60px;
	background: rgba(0,0,0,0.1);
	margin: 12px auto 0;
	position: relative;
	overflow: hidden;
}
.hero__scroll span::after {
	content: '';
	position: absolute;
	top: 0; left: 0; width: 100%; height: 30%;
	background: var(--accent);
	animation: scroll-line 2s infinite;
}
@keyframes scroll-line { 0% { transform: translateY(-100%); } 100% { transform: translateY(300%); } }

/* Section Common */
.section-label {
	display: block;
	font-family: var(--font-display);
	font-size: 0.75rem;
	font-weight: 800;
	color: var(--accent);
	letter-spacing: 0.3em;
	margin-bottom: 16px;
}
.section-title {
	font-size: clamp(1.75rem, 4vw, 2.5rem);
	font-weight: 800;
	margin-bottom: 40px;
	line-height: 1.3;
}
.section-title span { color: var(--accent); }

/* About */
.about {
	padding: 160px 0;
	background: var(--bg);
}
.about__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 80px;
	align-items: center;
}
.about__visual {
	position: relative;
}
.about__image-wrap {
	border-radius: var(--r-lg);
	overflow: hidden;
	aspect-ratio: 4 / 5;
}
.about__image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.about__floating-box {
	position: absolute;
	bottom: -30px;
	right: -30px;
	background: var(--bg-dark);
	color: #fff;
	padding: 40px;
	border-radius: var(--r-md);
	display: flex;
	flex-direction: column;
	box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}
.about__floating-box .num { font-family: var(--font-display); font-size: 2.5rem; font-weight: 800; line-height: 1; margin-bottom: 8px; }
.about__floating-box .txt { font-size: 0.75rem; font-weight: 600; opacity: 0.7; letter-spacing: 0.1em; }

.about__text p { margin-bottom: 24px; color: var(--ink-light); }
.about__stats {
	display: flex;
	gap: 40px;
	margin-top: 48px;
}
.stat-item { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--accent); margin-bottom: 4px; }
.stat-label { font-size: 0.75rem; font-weight: 700; color: var(--ink-light); text-transform: uppercase; letter-spacing: 0.05em; }

@media (max-width: 960px) {
	.about__grid { grid-template-columns: 1fr; gap: 60px; }
	.about__visual { max-width: 500px; margin: 0 auto; }
}

/* Service */
.service {
	padding: 160px 0;
	background: var(--bg-soft);
}
.section-header { text-align: center; margin-bottom: 80px; }
.service-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 32px;
}
.service-card {
	background: var(--bg);
	padding: 60px 40px;
	border-radius: var(--r-lg);
	transition: all 0.4s var(--ease);
	border: 1px solid rgba(0,0,0,0.03);
}
.service-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 30px 60px rgba(0,0,0,0.05);
	border-color: var(--accent);
}
.service-card__icon {
	color: var(--accent);
	margin-bottom: 32px;
}
.service-card h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 20px; }
.service-card p { font-size: 0.9375rem; color: var(--ink-light); }

@media (max-width: 960px) {
	.service-grid { grid-template-columns: 1fr; }
	.service-card { padding: 48px 32px; }
}

/* News */
.news { padding: 160px 0; }
.news__header {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	margin-bottom: 60px;
}
.news-all-link {
	font-family: var(--font-display);
	font-size: 0.75rem;
	font-weight: 800;
	letter-spacing: 0.2em;
	color: var(--ink);
	padding-bottom: 4px;
	border-bottom: 2px solid var(--accent);
}

.news-list { border-top: 1px solid #e2e8f0; }
.news-item {
	display: flex;
	padding: 32px 0;
	border-bottom: 1px solid #e2e8f0;
	gap: 48px;
}
.news-item time { font-family: var(--font-display); font-size: 0.875rem; font-weight: 600; color: var(--ink-light); flex-shrink: 0; }
.news-item__content { display: flex; gap: 24px; align-items: baseline; flex-grow: 1; }
.news-item__content .category {
	font-family: var(--font-display);
	font-size: 0.625rem;
	font-weight: 800;
	background: var(--bg-soft);
	padding: 4px 12px;
	border-radius: 4px;
	letter-spacing: 0.1em;
}
.news-item__content a { font-weight: 700; transition: color 0.3s; }
.news-item__content a:hover { color: var(--accent); }

@media (max-width: 768px) {
	.news-item { flex-direction: column; gap: 8px; padding: 24px 0; }
	.news-item__content { flex-direction: column; gap: 12px; }
	.news-all-link.u-sp { margin-top: 40px; display: inline-block; }
}

/* Contact */
.contact {
	padding: 160px 0;
	position: relative;
	background: var(--bg-dark);
	color: #fff;
}
.contact .section-title { color: #fff; }
.contact__grid {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	gap: 100px;
	position: relative;
	z-index: 1;
}
.contact__info { max-width: 440px; }
.contact__text { font-size: 1.125rem; opacity: 0.8; margin-bottom: 48px; }
.contact__details { font-family: var(--font-display); font-size: 0.875rem; font-weight: 600; opacity: 0.6; line-height: 2; }

.contact__form-wrap {
	background: #fff;
	padding: 60px;
	border-radius: var(--r-lg);
	color: var(--ink);
}
.form-group { margin-bottom: 32px; }
.form-group label {
	display: block; font-family: var(--font-display); font-size: 0.75rem; font-weight: 800;
	letter-spacing: 0.1em; color: var(--ink-light); margin-bottom: 12px;
}
.form-group input, .form-group textarea {
	width: 100%; background: var(--bg-soft); border: 1px solid transparent;
	padding: 16px 20px; border-radius: var(--r-md); font-size: 1rem;
	font-family: inherit; transition: all 0.3s;
}
.form-group input:focus, .form-group textarea:focus {
	outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px var(--accent-soft);
}
.btn-submit {
	width: 100%; padding: 20px; background: var(--accent); color: #fff;
	border: none; border-radius: var(--r-md); font-family: var(--font-display);
	font-size: 0.875rem; font-weight: 800; letter-spacing: 0.2em; cursor: pointer;
	transition: all 0.3s;
}
.btn-submit:hover { background: var(--bg-dark); transform: translateY(-2px); }

@media (max-width: 960px) {
	.contact__grid { grid-template-columns: 1fr; gap: 60px; }
	.contact__form-wrap { padding: 40px 24px; }
}

/* Footer */
.footer { padding: 80px 0 40px; border-top: 1px solid rgba(0,0,0,0.05); }
.footer__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 60px; }
.footer__nav { display: flex; gap: 32px; }
.footer__nav a { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; color: var(--ink-light); letter-spacing: 0.1em; }
.footer__bottom { padding-top: 40px; border-top: 1px solid rgba(0,0,0,0.05); text-align: center; }
.footer__copy { font-size: 0.75rem; color: var(--ink-muted); opacity: 0.5; }

@media (max-width: 768px) {
	.footer__top { flex-direction: column; gap: 32px; text-align: center; }
	.footer__nav { flex-wrap: wrap; justify-content: center; gap: 16px 24px; }
}
