@charset "UTF-8";

:root {
	/* =========
	Color System
	========= */
	/* Blue-tone rebalance: keep footer deep and trustworthy */
	--color-primary: #4f7083;
	/* Blue-gray tuning for mobile nav hover visibility */
	--color-nav-hover-bg: #6f8797;
	/* Trust strip sits slightly brighter than footer for role separation */
	--color-trust-strip: #6f8797;
	--color-primary-light: #6B6642;

	--color-accent: #A67458;
	--color-accent-dark: #8E5F47;

	/* Text 3階層 */
	--color-text-strong: #222222;
	--color-text-body: #4f4f4f;
	--color-text-subtle: #777777;
	--color-text-nav: #2f2f2f;

	/* Heading */
	--color-heading-main: #353535;
	--color-heading-soft: #3f3f3f;

	/* Line / Accent */
	--color-line-soft: #d8d4cd;
	--color-line-strong: #c9c2b7;
	--color-highlight-soft: #e7e1d8;

	/* Button */
	--color-button-base: #4a6f86;
	--color-button-hover: #3b5c70;

	/* Background */
	--color-bg: #F7F7F4;
	--color-section-soft: #F3F1EA;
	--color-white: #FFFFFF;

	/* Border / Overlay / Shadow */
	--color-border: rgba(191, 185, 174, 0.45);
	--color-header-bg: rgba(255, 255, 255, 0.8);
	--color-overlay-dark: rgba(0, 0, 0, 0.62);
	--color-overlay-light: rgba(0, 0, 0, 0.18);
	--color-white-90: rgba(255, 255, 255, 0.9);
	--color-white-84: rgba(255, 255, 255, 0.84);
	--color-white-75: rgba(255, 255, 255, 0.75);

	--color-shadow-soft: rgba(13, 13, 13, 0.08);
	--color-shadow-medium: rgba(13, 13, 13, 0.14);
	--color-shadow-text: rgba(13, 13, 13, 0.3);

	/* =========
	Type Scale
	========= */
	--font-size-h1: 2rem;
	--font-size-h2: 2rem;
	--font-size-h3: 1.3125rem;
	--font-size-body: 1rem;
	--font-size-nav: 0.875rem;
	--font-size-label: 0.8125rem;
	--font-size-subcopy: 0.875rem;
	--font-size-copy-small: 0.9375rem;
	--font-size-footer: 0.875rem;

	/* =========
	Line Height
	========= */
	--line-height-heading-tight: 1.3;
	--line-height-heading: 1.4;
	--line-height-heading-normal: 1.5;
	--line-height-body: 1.8;
	--line-height-body-relaxed: 1.9;
	--line-height-body-loose: 2;
	--line-height-label: 1.7;
	--line-height-body-sp: 1.8;

	/* =========
	Letter Spacing
	========= */
	--letter-spacing-body: 0.04em;
	--letter-spacing-heading: 0.06em;
	--letter-spacing-nav: 0.08em;
	--letter-spacing-label: 0.06em;
	--letter-spacing-subcopy: 0.12em;
	--letter-spacing-footer: 0.08em;

	/* =========
	Layout / UI
	========= */
	--section-padding-y: 5rem;
	--container-width: 1200px;
	--container-gutter: 40px;

	--radius-card: 10px;
	--radius-large: 14px;

	--card-padding-x: 1.25rem;
	--card-padding-y: 1.25rem;

	--shadow-card: 0 4px 14px rgba(13, 13, 13, 0.08);
	--shadow-card-hover: 0 10px 24px rgba(13, 13, 13, 0.14);
}

html {
	font-size: 16px;
	scroll-behavior: smooth;
}

* {
	box-sizing: border-box;
}

html,
body {
	overflow-x: hidden;
}

body {
	margin: 0;
	font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", sans-serif, Verdana, "メイリオ", "Meiryo", "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	background-color: var(--color-bg);
	color: var(--color-text-body);
	line-height: var(--line-height-body);
	letter-spacing: var(--letter-spacing-body);
}

img {
	max-width: 100%;
	height: auto;
	vertical-align: bottom;
}

a {
	text-decoration: none;
	color: inherit;
	transition: 0.3s;
}

.container {
	position: relative;
	z-index: 1;
	width: calc(100% - var(--container-gutter));
	max-width: var(--container-width);
	margin: 0 auto;
}

.section {
	position: relative;
	padding: var(--section-padding-y) 0;
}

.section::before {
	content: attr(data-en);
	position: absolute;
	top: 24px;
	left: 24px;
	font-family: "Inter", sans-serif;
	font-size: clamp(4rem, 8vw, 7rem);
	font-weight: 700;
	letter-spacing: 0.06em;
	line-height: 1;
	color: rgba(0, 0, 0, 0.035);
	white-space: nowrap;
	pointer-events: none;
	z-index: 0;
}

/* =================================================
Headings / Text
================================================= */

h2 {
	color: var(--color-heading-main);
	font-size: var(--font-size-h2);
	font-weight: 500;
	line-height: var(--line-height-heading);
	letter-spacing: 0.04em;
	margin: 0 0 2.25rem;
	text-align: center;
	position: relative;
	z-index: 1;
}

h2 span {
	display: inline-block;
	padding-bottom: 0.35rem;
	border-bottom: 1px solid var(--color-line-strong);
}

#reason h2,
#about h2 {
	color: #fff;
}

#reason h2 span,
#about h2 span {
	border-bottom: 1px solid rgba(255, 255, 255, 0.85);
}

#reason h2,
#about h2 {
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
}

.section h2 {
	margin-top: 30px;
}

h3 {
	color: var(--color-heading-soft);
	font-size: var(--font-size-h3);
	font-weight: 500;
	line-height: var(--line-height-heading-normal);
	letter-spacing: var(--letter-spacing-heading);
	margin: 0;
}

p {
	color: var(--color-text-body);
	font-size: var(--font-size-body);
	line-height: var(--line-height-body);
	margin: 0;
}

.section-intro {
	max-width: 760px;
	margin: 0 auto;
	text-align: center;
	color: var(--color-text-body);
	line-height: var(--line-height-body-relaxed);
}

.section-subinfo {
	margin: 0.75rem auto 2rem;
	max-width: 760px;
	text-align: center;
	color: var(--color-text-subtle);
	line-height: var(--line-height-body-relaxed);
}

.work-label {
	color: var(--color-text-subtle);
}

/* =================================================
Section Space
================================================= */

#reason.section,
#service.section,
#works.section,
#about.section,
#partner.section,
#faq.section,
#contact.section {
	padding-top: 5rem;
	padding-bottom: 5rem;
}

/* =================================================
Header
================================================= */

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 9999;
}

.header-wrapper {
	width: 90%;
	max-width: 1200px;
	height: 70px;
	margin: 20px auto 0;
	background-color: var(--color-header-bg);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	border: 1px solid var(--color-border);
	border-radius: 50px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 0 2rem;
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.logo img {
	height: 55px;
	width: auto;
}

.nav-list {
	list-style: none;
	display: flex;
	gap: 1.2rem;
	margin: 0;
	padding: 0;
}

.nav-list a {
	display: inline-block;
	color: var(--color-text-strong);
	font-weight: 500;
	font-size: var(--font-size-nav);
	letter-spacing: var(--letter-spacing-nav);
	line-height: 1.4;
	padding: 0.5rem 0.75rem;
	border-radius: 9999px;
	transition: color 0.3s, background-color 0.3s, transform 0.3s;
}

.nav-list a:hover {
	color: #fff;
	background-color: var(--color-nav-hover-bg);
	transform: translateY(-1px);
}

.hamburger {
	display: none;
	width: 42px;
	height: 42px;
	border: none;
	background: transparent;
	cursor: pointer;
	position: relative;
	z-index: 10001;
	padding: 0;
}

.hamburger span {
	display: block;
	width: 28px;
	height: 2px;
	background-color: var(--color-text-strong);
	position: absolute;
	left: 7px;
	transition: 0.3s;
}

.hamburger span:nth-child(1) {
	top: 11px;
}

.hamburger span:nth-child(2) {
	top: 20px;
}

.hamburger span:nth-child(3) {
	top: 29px;
}

.hamburger.active span:nth-child(1) {
	transform: rotate(45deg);
	top: 20px;
}

.hamburger.active span:nth-child(2) {
	opacity: 0;
}

.hamburger.active span:nth-child(3) {
	transform: rotate(-45deg);
	top: 20px;
}

/* =================================================
Main Visual
================================================= */

.main-visual {
	height: 680px;
	min-height: auto;
	display: flex;
	justify-content: flex-start;
	align-items: flex-end;
	position: relative;
	padding: 2.5rem 1.25rem 3.5rem;
	text-align: left;
	overflow: hidden;
}

.main-visual-slider {
	position: absolute;
	inset: 0;
	z-index: 0;
}

.main-slide {
	position: absolute;
	inset: 0;
	opacity: 0;
	visibility: hidden;
	transition: opacity 1.2s ease-in-out;
}

.main-slide.is-active {
	opacity: 1;
	visibility: visible;
}

.main-slide img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transform: scale(1.05);
	transition: transform 5s ease-out;
}

.main-slide.is-active img {
	transform: scale(1);
}

.sp-slider {
	display: none;
}

.main-visual::after {
	content: "SPACE";
	position: absolute;
	top: 110px;
	left: clamp(24px, 5vw, 72px);
	font-family: "Inter", sans-serif;
	font-size: clamp(8rem, 20vw, 17rem);
	font-weight: 700;
	letter-spacing: 0.03em;
	line-height: 0.85;
	color: rgba(255, 255, 255, 0.09);
	pointer-events: none;
	z-index: 2;
}

.main-visual::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, var(--color-overlay-dark), var(--color-overlay-light));
	z-index: 1;
}

.main-visual-inner {
	position: relative;
	z-index: 3;
	width: 100%;
	max-width: 860px;
	margin: 0;
	padding-left: clamp(24px, 4vw, 56px);
	padding-right: 1rem;
	padding-bottom: 0.5rem;
	text-align: left;
}

.slider-dots {
	position: absolute;
	bottom: 24px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	align-items: center;
	gap: 10px;
	z-index: 4;
}

.dot {
	width: 10px;
	height: 10px;
	border: none;
	border-radius: 50%;
	padding: 0;
	background: rgba(255, 255, 255, 0.45);
	cursor: pointer;
	appearance: none;
	-webkit-appearance: none;
	transition: transform 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
}

.dot:hover {
	background: rgba(255, 255, 255, 0.8);
}

.dot:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 3px;
}

.dot.active {
	background: #fff;
	transform: scale(1.2);
}

.main-copy-sub {
	color: var(--color-white-90);
	font-size: 0.95rem;
	font-weight: 500;
	letter-spacing: 0.13em;
	line-height: 1.4;
	margin: 0 0 0.75rem;
	text-align: left;
}

.main-visual h1 {
	color: #fff;
	font-size: clamp(2.6rem, 4.8vw, 4rem);
	font-weight: 700;
	line-height: 1.3;
	letter-spacing: 0.025em;
	text-shadow: 2px 2px 10px var(--color-shadow-text);
	max-width: none;
	margin: 0;
}

.pc-break {
	display: none;
}

@media screen and (min-width: 768px) {
	.pc-break {
		display: inline;
	}
}

.main-copy-text {
	color: var(--color-white-84);
	font-size: var(--font-size-copy-small);
	line-height: 1.85;
	max-width: 30em;
	margin: 0.9rem 0 0;
	text-align: left;
}

.main-cta {
	margin-top: 1.5rem;
}

/* object-position：PC */
.pc-slider .main-slide:nth-child(1) img {
	object-position: 50% center;
}

.pc-slider .main-slide:nth-child(2) img {
	object-position: 50% 58%;
}

.pc-slider .main-slide:nth-child(3) img {
	object-position: 38% center;
}

/* object-position：SP */
.sp-slider .main-slide:nth-child(1) img {
	object-position: 50% 42%;
}

.sp-slider .main-slide:nth-child(2) img {
	object-position: 50% 62%;
}

.sp-slider .main-slide:nth-child(3) img {
	object-position: 40% center;
}

/* =================================================
Trust Strip
================================================= */

.trust-strip {
	padding: 1.25rem 0;
	/* Slightly lighter than footer to reduce visual heaviness */
	background-color: var(--color-trust-strip);
}

.trust-strip-inner {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 2rem;
	flex-wrap: wrap;
	text-align: center;
}

.trust-strip-inner p {
	font-size: 0.95rem;
	font-weight: 500;
	color: var(--color-white);
	letter-spacing: 0.04em;
	line-height: var(--line-height-label);
	position: relative;
}

.trust-strip-inner p:not(:last-child)::after {
	content: "";
	position: absolute;
	right: -1rem;
	top: 50%;
	transform: translateY(-50%);
	width: 1px;
	height: 16px;
	background-color: var(--color-line-soft);
}

/* =================================================
Card UI Common
================================================= */

.card,
.faq-item,
.partner-list li {
	border: 1px solid var(--color-border);
	border-radius: var(--radius-card);
	box-shadow: var(--shadow-card);
}

/* =================================================
Reason
================================================= */

#reason {
	background-image: linear-gradient(rgba(89, 83, 52, 0.58), rgba(89, 83, 52, 0.58)), url("img/reason-l.webp");
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
}

#reason .card {
	padding: 1.5rem 1.25rem;
	justify-content: flex-start;
	background: rgba(255, 255, 255, 0.84);
	border: 1px solid rgba(255, 255, 255, 0.26);
	box-shadow: 0 8px 24px rgba(13, 13, 13, 0.12);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

#reason .card h3 {
	margin-top: 0;
	margin-bottom: 0.875rem;
	font-size: 1.2rem;
	color: var(--color-text-strong);
}

#reason .card p {
	padding: 0;
	margin-top: 0;
	text-align: left;
	line-height: 1.85;
}

/* =================================================
Service
================================================= */

#service {
	background-color: var(--color-white);
}

#service .box {
	margin-top: 0.5rem;
}

.box {
	display: flex;
	justify-content: space-between;
	align-items: stretch;
	gap: 1.5rem;
}

.card {
	width: calc((100% - 48px) / 3);
	background-color: var(--color-white);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.card img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	display: block;
}

.card h3 {
	margin-top: 1.125rem;
	margin-bottom: 0;
	color: var(--color-text-strong);
	font-size: var(--font-size-h3);
	text-align: left;
	padding: 0 var(--card-padding-x);
	line-height: 1.55;
	letter-spacing: 0.05em;
}

.card p {
	margin-top: 0.75rem;
	text-align: left;
	padding: 0 var(--card-padding-x) var(--card-padding-y);
	flex-grow: 1;
	line-height: 1.85;
}

.under {
	background: linear-gradient(transparent 68%, var(--color-highlight-soft) 68%);
}

/* =================================================
Works
================================================= */

#works {
	background-color: var(--color-bg);
	background-image: none;
}

.gallery {
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
	align-items: stretch;
}

.work-item {
	width: calc((100% - 48px) / 3);
	margin-bottom: 1.25rem;
}

.work-item img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	display: block;
	border-radius: var(--radius-card);
	box-shadow: var(--shadow-card);
}

.work-label {
	font-size: var(--font-size-label);
	font-weight: 500;
	letter-spacing: var(--letter-spacing-label);
	margin-top: 0.75rem;
	line-height: 1.75;
	text-align: left;
	padding: 0 0.25rem;
}

/* =================================================
About
================================================= */

#about {
	background-image: url("img/about-l.webp");
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
}

.box_flex {
	display: flex;
	align-items: flex-start;
	gap: 3rem;
	background: rgba(255, 255, 255, 0.78);
	border: 1px solid rgba(255, 255, 255, 0.4);
	border-radius: var(--radius-large);
	box-shadow: 0 12px 32px rgba(13, 13, 13, 0.1);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	padding: 2.5rem;
}

.about-left {
	flex: 0.9;
	display: flex;
	flex-direction: column;
	gap: 1.75rem;
	width: 100%;
	max-width: none;
	margin: 0;
}

.about-right {
	flex: 1.1;
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	justify-content: flex-start;
}

.about-left img {
	width: 100%;
	max-width: 100%;
	object-fit: cover;
	border-radius: 12px;
	box-shadow: 0 8px 24px rgba(13, 13, 13, 0.1);
}

.about-text {
	max-width: 100%;
	padding-right: 0;
}

.about-text h3 {
	margin-bottom: 1rem;
	line-height: 1.5;
}

.about-text p {
	line-height: 2;
}

.about-stats {
	list-style: none;
	padding: 0;
	margin: 0;
	display: grid;
	gap: 0.75rem;
}

.about-stats li {
	background-color: rgba(255, 255, 255, 0.82);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-card);
	padding: 1rem 1.1rem;
	font-weight: 600;
	color: var(--color-text-strong);
	line-height: 1.8;
}

.about-outline {
	margin: 0;
	display: grid;
	gap: 0.75rem;
}

.about-outline div {
	display: grid;
	grid-template-columns: 96px 1fr;
	gap: 1rem;
	padding: 0.95rem 0;
	border-bottom: 1px solid rgba(89, 83, 52, 0.2);
}

.about-outline dt {
	font-weight: 700;
	color: var(--color-text-strong);
}

.about-outline dd {
	margin: 0;
	color: var(--color-text-body);
}

/* =================================================
Partner
================================================= */

#partner {
	background-color: var(--color-white);
}

#partner .container {
	max-width: 900px;
}

.partner-list {
	list-style: none;
	padding: 0;
	margin: 2rem auto 0;
	display: grid;
	gap: 0.875rem;
	max-width: 680px;
}

.partner-list li {
	background-color: var(--color-bg);
	padding: var(--card-padding-y) var(--card-padding-x);
	text-align: center;
	font-weight: 600;
	color: var(--color-text-strong);
}

.partner-note {
	margin-top: 1.5rem;
	text-align: center;
	color: var(--color-text-body);
}

.partner-btn-wrap {
	margin-top: 2rem;
	text-align: center;
}

/* =================================================
FAQ
================================================= */

#faq {
	background-color: var(--color-section-soft);
}

#faq .container {
	max-width: 900px;
}

.faq-item {
	background-color: var(--color-white);
	padding: 1.4rem 1.5rem;
}

.faq-item+.faq-item {
	margin-top: 1rem;
}

.faq-item p:first-child {
	margin-bottom: 0.65rem;
	color: var(--color-primary);
	font-weight: 700;
	font-size: 1.02rem;
	line-height: 1.6;
	letter-spacing: 0.03em;
}

.faq-item p:last-child {
	color: var(--color-text-body);
	line-height: 1.9;
}

/* =================================================
Contact
================================================= */

.contact {
	background-image: url("img/contact.png");
	background-size: cover;
	background-position: center;
	position: relative;
	overflow: hidden;
}

.contact::after {
	content: "";
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background: rgba(89, 83, 52, 0.48);
	z-index: 0;
}

.contact-inner {
	position: relative;
	z-index: 1;
	width: calc(100% - 40px);
	max-width: 900px;
	margin: 0 auto;
	min-height: 440px;
	padding: 1.5rem;
	text-align: center;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}

.contact h2 {
	color: #fff;
	margin-bottom: 1.25rem;
}

.contact h2 span {
	border-bottom: 1px solid rgba(255, 255, 255, 0.72);
}

.contact p {
	color: rgba(255, 255, 255, 0.9);
	margin: 0.85rem 0 0;
	max-width: 640px;
	line-height: 1.95;
}

.contact-inner p+p {
	margin-top: 1rem;
}

.contact .btn {
	margin-top: 2.25rem;
}

.btn {
	display: inline-block;
	min-width: 220px;
	padding: 1rem 1.875rem;
	border-radius: 50px;
	background-color: var(--color-button-base);
	color: var(--color-white);
	font-weight: 600;
	font-size: 1rem;
	letter-spacing: 0.06rem;
	line-height: var(--line-height-heading-tight);
	text-align: center;
	transition: background-color 0.3s, transform 0.3s, box-shadow 0.3s;
	box-shadow: 0 6px 16px rgba(143, 120, 102, 0.18);
}

.btn:hover {
	background-color: var(--color-button-hover);
	transform: translateY(-1px);
	box-shadow: 0 8px 18px rgba(143, 120, 102, 0.2);
}

/* =================================================
Footer
================================================= */

footer {
	background-color: var(--color-primary);
	color: #fff;
	font-size: var(--font-size-footer);
	line-height: 1.7;
	padding: 2rem 1.5rem 1.75rem;
	text-align: center;
	border-top: 1px solid rgba(255, 255, 255, 0.16);
}

footer p,
footer small {
	color: var(--color-white);
}

.footer-company {
	color: #fff;
	font-weight: 600;
	margin-bottom: 0.9rem;
	letter-spacing: var(--letter-spacing-footer);
	font-size: 1rem;
}

.footer-info {
	display: inline-block;
	text-align: left;
	margin: 0 auto 1rem;
}

.footer-info p {
	margin: 0.35rem 0;
	line-height: 1.8;
	letter-spacing: 0.04em;
}

footer small {
	display: block;
	margin-top: 1rem;
	font-size: 0.8rem;
	letter-spacing: 0.06em;
	opacity: 0.9;
}

/* =================================================
Large Tablet / Small Desktop 1023px以下
================================================= */

@media screen and (max-width: 1023px) {
	.section {
		padding: 4rem 0;
	}

	#reason.section,
	#service.section,
	#works.section,
	#about.section,
	#partner.section,
	#faq.section,
	#contact.section {
		padding-top: 4rem;
		padding-bottom: 4rem;
	}



	.header-wrapper {
		height: 80px;
		padding: 0.625rem 1.5rem;
	}

	.logo img {
		height: 58px;
	}

	.nav-list {
		gap: 0.75rem;
	}

	.nav-list a {
		padding: 0.5rem 0.6rem;
		font-size: 0.8rem;
	}

	.main-visual {
		height: 560px;
		padding: 2rem 1.25rem 4rem;
	}

	.main-visual-inner {
		max-width: 760px;
		padding-left: 36px;
		padding-right: 16px;
	}

	.slider-dots {
		bottom: 20px;
	}

	h2 {
		font-size: 1.875rem;
		margin-bottom: 2rem;
	}

	.box {
		gap: 1.25rem;
	}

	.card {
		width: calc((100% - 20px) / 2);
	}

	.box_flex {
		gap: 2rem;
		padding: 2rem;
	}

	.about-left,
	.about-right {
		width: 100%;
	}

	.about-left {
		max-width: none;
		margin: 0;
	}

	.about-left img {
		width: 100%;
		height: auto;
	}

	.gallery {
		gap: 1.25rem;
	}

	.work-item {
		width: calc((100% - 20px) / 2);
		margin-bottom: 1.125rem;
	}

	.contact-inner {
		min-height: 400px;
	}

	.trust-strip-inner {
		gap: 1.5rem;
	}

	.trust-strip-inner p:not(:last-child)::after {
		right: -0.8rem;
	}
}

/* =================================================
Tablet 767px以下
================================================= */

@media screen and (max-width: 767px) {
	:root {
		--font-size-h1: 2rem;
		--font-size-h2: 1.75rem;
		--font-size-h3: 1.125rem;
		--font-size-body: 0.9375rem;
	}

	.container {
		width: calc(100% - 36px);
	}

	.section {
		padding: 3.5rem 0;
	}

	#reason.section,
	#service.section,
	#works.section,
	#about.section,
	#partner.section,
	#faq.section,
	#contact.section {
		padding-top: 3.5rem;
		padding-bottom: 3.5rem;
	}

	.section::before {
		top: 12px;
		left: 16px;
		font-size: clamp(3.2rem, 10vw, 5rem);
		letter-spacing: 0.05em;
	}

	.header-wrapper {
		height: 70px;
		padding: 0.625rem 1.25rem;
	}

	.logo img {
		height: 54px;
	}

	.hamburger {
		display: block;
	}

	.nav {
		position: fixed;
		top: 86px;
		right: 12px;
		left: 12px;
		width: auto;
		max-width: none;
		height: auto;
		max-height: calc(100vh - 110px);
		background-color: rgba(255, 255, 255, 0.97);
		box-shadow: -4px 0 16px rgba(0, 0, 0, 0.08);
		padding: 1.5rem 1.25rem;
		border-radius: 16px;
		transform: translateY(-12px);
		opacity: 0;
		transition: transform 0.3s ease, opacity 0.3s ease;
		overflow-y: auto;
		-webkit-overflow-scrolling: touch;
		visibility: hidden;
		pointer-events: none;
		z-index: 10000;
	}

	.nav.active {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
	}

	.nav-list {
		flex-direction: column;
		gap: 1rem;
	}

	.nav-list a {
		display: block;
		padding: 0.625rem 0.875rem;
		font-size: 0.9375rem;
	}

	.pc-slider {
		display: none;
	}

	.sp-slider {
		display: block;
	}

	.main-visual {
		height: 520px;
		padding: 1.875rem 1rem 3.25rem;
	}

	.main-visual-inner {
		width: 100%;
		max-width: 680px;
		margin: 0;
		padding-left: 28px;
		padding-right: 16px;
		text-align: left;
	}

	.main-copy-sub {
		margin-bottom: 0.875rem;
	}

	.main-visual h1 {
		max-width: none;
		line-height: 1.22;
		letter-spacing: 0.02em;
	}

	.main-copy-text {
		margin-top: 0.9rem;
		max-width: 29em;
		line-height: 1.8;
	}

	.slider-dots {
		bottom: 18px;
		gap: 9px;
	}

	.dot {
		width: 9px;
		height: 9px;
	}

	.section-intro,
	.section-subinfo {
		text-align: left;
	}

	.trust-strip {
		padding: 0.75rem 0;
	}

	.trust-strip-inner {
		flex-direction: row;
		flex-wrap: wrap;
		justify-content: center;
		align-items: center;
		gap: 0.5rem 1.25rem;
		text-align: center;
	}

	.trust-strip-inner p {
		font-size: 0.875rem;
		line-height: 1.5;
		white-space: nowrap;
	}

	.trust-strip-inner p:not(:last-child)::after {
		display: none;
	}

	#reason {
		background-position: center;
	}

	.box {
		flex-wrap: wrap;
		gap: 1.25rem;
	}

	.card {
		width: calc((100% - 20px) / 2);
	}

	.box_flex {
		flex-direction: column;
		gap: 1.25rem;
		padding: 1.125rem;
	}

	.box_flex img {
		width: 100%;
		max-width: 520px;
	}

	#about {
		background-position: 58% center;
	}

	.about-left,
	.about-right {
		width: 100%;
	}

	.about-right {
		gap: 1rem;
	}

	.about-outline div {
		grid-template-columns: 80px 1fr;
	}

	.about-stats {
		margin-top: 1.25rem;
	}

	.gallery {
		gap: 1.25rem;
	}

	.work-item {
		width: calc((100% - 20px) / 2);
		margin-bottom: 1rem;
	}

	.partner-list li,
	.faq-item,
	.work-label {
		text-align: left;
	}

	.contact-inner {
		width: calc(100% - 36px);
		min-height: 360px;
	}
}

/* =================================================
Smartphone 559px以下
================================================= */

@media screen and (max-width: 559px) {
	:root {
		--font-size-h1: 1.75rem;
		--font-size-h2: 1.5rem;
		--font-size-h3: 1.125rem;
		--font-size-body: 0.8125rem;
		--font-size-subcopy: 0.75rem;
		--font-size-copy-small: 0.8125rem;
		--font-size-footer: 0.6875rem;
	}

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

	.section {
		padding: 3rem 0;
	}

	#reason.section,
	#service.section,
	#works.section,
	#about.section,
	#partner.section,
	#faq.section,
	#contact.section {
		padding-top: 3rem;
		padding-bottom: 3rem;
	}

	.section::before {
		top: 10px;
		left: 12px;
		font-size: clamp(2.4rem, 12vw, 3.6rem);
		letter-spacing: 0.04em;
	}

	.header-wrapper {
		height: 70px;
		padding: 0.625rem 0.875rem;
	}

	.logo img {
		height: 48px;
	}

	.nav {
		top: 82px;
		right: 10px;
		left: 10px;
		width: auto;
		max-width: none;
		max-height: calc(100vh - 98px);
		padding: 1.25rem 1rem;
		border-radius: 14px;
	}

	.main-visual {
		height: 480px;
		padding: 1.5rem 1rem 2.5rem;
	}

	.main-visual-inner {
		width: 100%;
		max-width: 100%;
		margin: 0;
		padding-left: 20px;
		padding-right: 12px;
		text-align: left;
	}

	.main-copy-sub {
		margin-bottom: 0.625rem;
	}

	.main-visual h1 {
		max-width: 14.5em;
		font-size: 1.6rem;
		line-height: 1.35;
		letter-spacing: 0.02em;
	}

	.main-copy-text {
		margin-top: 0.85rem;
		max-width: 29em;
		line-height: 1.8;
	}

	.slider-dots {
		bottom: 14px;
		gap: 8px;
	}

	.dot {
		width: 8px;
		height: 8px;
	}

	p {
		line-height: var(--line-height-body-sp);
	}

	.trust-strip {
		padding: 0.625rem 0;
	}

	.trust-strip-inner {
		gap: 0.4rem 0.875rem;
	}

	.trust-strip-inner p {
		font-size: 0.75rem;
		line-height: 1.4;
	}

	#reason {
		background-image:
			linear-gradient(rgba(89, 83, 52, 0.62), rgba(89, 83, 52, 0.62)),
			url("img/reason-s.webp");
		background-size: cover;
		background-position: center;
		background-repeat: no-repeat;
	}

	#reason::before {
		color: rgba(255, 255, 255, 0.07);
	}

	#reason .card {
		background: rgba(255, 255, 255, 0.9);
		backdrop-filter: blur(4px);
		-webkit-backdrop-filter: blur(4px);
	}

	.box {
		flex-direction: column;
		gap: 1rem;
	}

	.card {
		width: 100%;
	}

	.card h3 {
		padding: 0 1rem;
	}

	.card p {
		padding: 0 1rem 1rem;
	}

	#about {
		background-image: url("img/about-s.webp");
		background-size: cover;
		background-position: center;
		background-repeat: no-repeat;
	}

	#about::before {
		color: rgba(255, 255, 255, 0.08);
	}

	.box_flex {
		padding: 0.875rem;
		flex-direction: column;
		gap: 1rem;
		background: rgba(255, 255, 255, 0.92);
		backdrop-filter: blur(6px);
		-webkit-backdrop-filter: blur(6px);
	}

	.box_flex h3 {
		font-size: 1.125rem;
	}

	.about-stats li,
	.partner-list li,
	.faq-item {
		padding: 0.875rem;
	}

	.about-outline div {
		grid-template-columns: 1fr;
		gap: 0.35rem;
	}

	.about-outline dt {
		font-size: 0.875rem;
	}

	.about-outline dd {
		font-size: 0.8125rem;
	}

	.gallery {
		gap: 0.875rem;
	}

	.work-item {
		width: 100%;
		margin-bottom: 0.875rem;
	}

	.work-label {
		margin-top: 0.625rem;
		padding: 0;
	}

	.contact-inner {
		width: calc(100% - 32px);
		padding: 1.125rem 1rem;
		min-height: 340px;
	}

	.contact p {
		line-height: 1.85;
	}

	.btn {
		min-width: auto;
		padding: 0.875rem 1.375rem;
		font-size: 0.875rem;
	}

	.contact .btn {
		margin-top: 1.5rem;
	}

	.partner-btn-wrap {
		margin-top: 1.5rem;
	}

	footer {
		padding: 1.25rem 0.75rem;
	}
}