/* =====================================================
   YUSANE STUDIO — main.css
   映画的 / 余白 / 静けさ / シネマティック
   ===================================================== */

/* ---------- Design Tokens ---------- */
:root {
	--color-bg:   #F5F2EA;
	--color-ink:  #111111;
	--color-sub:  #333333;
	--color-line: rgba(17, 17, 17, 0.14);
	--color-mist: rgba(17, 17, 17, 0.55);

	--font-serif: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
	--font-sans:  "Inter", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

	--width-wide:   1240px;
	--width-normal: 1080px;
	--width-narrow: 720px;

	--space-section: clamp(6rem, 14vw, 11rem);

	--ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
	scroll-behavior: smooth;
}

body {
	background: var(--color-bg);
	color: var(--color-ink);
	font-family: var(--font-serif);
	font-size: 16px;
	line-height: 2;
	letter-spacing: 0.06em;
	font-feature-settings: "palt";
	-webkit-font-smoothing: antialiased;
}

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

a {
	color: inherit;
	text-decoration: none;
	transition: opacity 0.4s var(--ease-out);
}

a:hover {
	opacity: 0.6;
}

ul, ol {
	list-style: none;
}

/* ---------- Layout ---------- */
.container {
	width: min(100% - 3rem, var(--width-normal));
	margin-inline: auto;
}

.container--wide   { width: min(100% - 3rem, var(--width-wide)); }
.container--narrow { width: min(100% - 3rem, var(--width-narrow)); }

.section {
	padding-block: var(--space-section);
}

.section--first {
	padding-top: clamp(3rem, 7vw, 5rem);
}

/* ---------- Typography Parts ---------- */
.section-label {
	font-family: var(--font-sans);
	font-size: 0.72rem;
	font-weight: 400;
	letter-spacing: 0.42em;
	text-transform: uppercase;
	color: var(--color-mist);
	margin-bottom: 2.5rem;
}

.section-label--center { text-align: center; }

.section-head { margin-bottom: clamp(3rem, 6vw, 5rem); }
.section-head .section-label { margin-bottom: 1rem; }

.section-title {
	font-size: clamp(1.5rem, 3.2vw, 2.1rem);
	font-weight: 500;
	letter-spacing: 0.14em;
	line-height: 1.7;
}

.section-more {
	margin-top: clamp(3rem, 6vw, 4.5rem);
	text-align: right;
}

.text-link {
	font-family: var(--font-sans);
	font-size: 0.8rem;
	letter-spacing: 0.28em;
	text-transform: uppercase;
	padding-bottom: 0.5em;
	border-bottom: 1px solid var(--color-ink);
}

/* ---------- Buttons ---------- */
.btn {
	display: inline-block;
	font-family: var(--font-serif);
	font-size: 0.92rem;
	letter-spacing: 0.2em;
	padding: 1.15em 3.2em;
	border: 1px solid var(--color-ink);
	color: var(--color-ink);
	background: transparent;
	transition: background 0.5s var(--ease-out), color 0.5s var(--ease-out);
}

.btn:hover {
	background: var(--color-ink);
	color: var(--color-bg);
	opacity: 1;
}

.btn--light {
	border-color: var(--color-bg);
	color: var(--color-bg);
}

.btn--light:hover {
	background: var(--color-bg);
	color: var(--color-ink);
}

/* ---------- Header ---------- */
.site-header {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 100;
	transition: background 0.6s var(--ease-out), box-shadow 0.6s var(--ease-out);
}

.site-header.is-scrolled {
	background: rgba(245, 242, 234, 0.92);
	backdrop-filter: blur(8px);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: min(100% - 3rem, var(--width-wide));
	margin-inline: auto;
	height: 76px;
}

.site-header__logo {
	font-family: var(--font-sans);
	font-size: 0.95rem;
	font-weight: 500;
	letter-spacing: 0.3em;
}

/* トップのヒーロー上では白抜き */
.home .site-header:not(.is-scrolled) { color: var(--color-bg); }
.home .site-header:not(.is-scrolled) .nav-toggle span { background: var(--color-bg); }

.global-nav__list {
	display: flex;
	gap: 2.8rem;
}

.global-nav__list a {
	font-family: var(--font-sans);
	font-size: 0.78rem;
	font-weight: 400;
	letter-spacing: 0.24em;
	text-transform: uppercase;
}

/* ハンバーガー(SP) */
.nav-toggle {
	display: none;
	position: relative;
	z-index: 110;
	width: 44px;
	height: 44px;
	background: none;
	border: none;
	cursor: pointer;
}

.nav-toggle span {
	position: absolute;
	left: 10px;
	width: 24px;
	height: 1px;
	background: var(--color-ink);
	transition: transform 0.45s var(--ease-out), top 0.45s var(--ease-out);
}

.nav-toggle span:nth-child(1) { top: 18px; }
.nav-toggle span:nth-child(2) { top: 26px; }

body.nav-open .nav-toggle span:nth-child(1) { top: 22px; transform: rotate(20deg); }
body.nav-open .nav-toggle span:nth-child(2) { top: 22px; transform: rotate(-20deg); }
body.nav-open .nav-toggle span { background: var(--color-bg) !important; }

@media (max-width: 820px) {
	.nav-toggle { display: block; }

	.global-nav {
		position: fixed;
		inset: 0;
		background: rgba(17, 17, 17, 0.97);
		display: grid;
		place-content: center;
		opacity: 0;
		visibility: hidden;
		transition: opacity 0.6s var(--ease-out), visibility 0.6s;
	}

	body.nav-open .global-nav {
		opacity: 1;
		visibility: visible;
	}

	body.nav-open { overflow: hidden; }

	.global-nav__list {
		flex-direction: column;
		gap: 2.2rem;
		text-align: center;
	}

	.global-nav__list a {
		color: var(--color-bg);
		font-size: 1rem;
		letter-spacing: 0.36em;
	}
}

/* ---------- Hero ---------- */
.hero {
	position: relative;
	height: 100svh;
	min-height: 560px;
	display: grid;
	place-content: center;
	text-align: center;
	color: var(--color-bg);
	overflow: hidden;
	background: var(--color-ink);
}

.hero__media,
.hero__media video,
.hero__media img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(rgba(17, 17, 17, 0.35), rgba(17, 17, 17, 0.45));
}

.hero__content {
	position: relative;
	z-index: 2;
	animation: hero-in 2.2s var(--ease-out) both;
}

@keyframes hero-in {
	from { opacity: 0; transform: translateY(24px); }
	to   { opacity: 1; transform: none; }
}

.hero__title {
	font-family: var(--font-sans);
	font-size: clamp(1.6rem, 4.4vw, 3rem);
	font-weight: 300;
	letter-spacing: 0.5em;
	text-indent: 0.5em; /* letter-spacing による右寄り補正 */
	margin-bottom: 1.8rem;
}

.hero__copy {
	font-size: clamp(0.95rem, 1.8vw, 1.15rem);
	letter-spacing: 0.34em;
	text-indent: 0.34em;
	opacity: 0.9;
}

.hero__scroll {
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.8rem;
}

.hero__scroll-label {
	font-family: var(--font-sans);
	font-size: 0.62rem;
	letter-spacing: 0.4em;
	text-transform: uppercase;
}

.hero__scroll-line {
	width: 1px;
	height: 64px;
	background: rgba(245, 242, 234, 0.4);
	overflow: hidden;
	position: relative;
}

.hero__scroll-line::after {
	content: "";
	position: absolute;
	top: -100%;
	left: 0;
	width: 100%;
	height: 100%;
	background: var(--color-bg);
	animation: scroll-line 2.4s var(--ease-out) infinite;
}

@keyframes scroll-line {
	0%   { top: -100%; }
	55%  { top: 0; }
	100% { top: 100%; }
}

/* ---------- Concept ---------- */
.concept { text-align: center; }
.concept .section-label { margin-bottom: 3.5rem; }

.concept__body p {
	font-size: clamp(1.05rem, 2.2vw, 1.35rem);
	line-height: 2.6;
	letter-spacing: 0.12em;
}

.concept__body p + p { margin-top: 2.8rem; }

.concept__link { margin-top: 4rem; }

/* ---------- Works Grid ---------- */
.works-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 3vw, 2.5rem);
}

@media (max-width: 960px) { .works-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .works-grid { grid-template-columns: 1fr; } }

.work-card__thumb {
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: #E4E0D5;
}

.work-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 1.2s var(--ease-out);
}

.work-card__link:hover .work-card__thumb img {
	transform: scale(1.045);
}

.work-card__link:hover { opacity: 1; }

.work-card__noimage {
	display: grid;
	place-content: center;
	height: 100%;
	font-family: var(--font-sans);
	font-size: 0.62rem;
	letter-spacing: 0.4em;
	color: var(--color-mist);
}

.work-card__body { padding-top: 1.2rem; }

.work-card__meta {
	display: flex;
	gap: 1.4em;
	font-family: var(--font-sans);
	font-size: 0.68rem;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--color-mist);
	margin-bottom: 0.5rem;
}

.work-card__title {
	font-size: 1rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	line-height: 1.8;
}

.works-empty {
	text-align: center;
	color: var(--color-mist);
	padding-block: 3rem;
}

/* ---------- Works Filter ---------- */
.works-filter { margin-bottom: clamp(3rem, 6vw, 5rem); }

.works-filter ul {
	display: flex;
	flex-wrap: wrap;
	gap: 1.8rem 2.4rem;
}

.works-filter a {
	font-family: var(--font-sans);
	font-size: 0.76rem;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--color-mist);
	padding-bottom: 0.4em;
	border-bottom: 1px solid transparent;
}

.works-filter a.is-active {
	color: var(--color-ink);
	border-bottom-color: var(--color-ink);
}

/* ---------- Service(Home Index) ---------- */
.service-index {
	border-top: 1px solid var(--color-line);
}

.service-index__item {
	display: grid;
	grid-template-columns: 4rem 1fr;
	grid-template-areas: "num name" "num desc";
	align-items: baseline;
	gap: 0.3rem 1rem;
	padding: clamp(1.8rem, 4vw, 2.6rem) 0.5rem;
	border-bottom: 1px solid var(--color-line);
}

.service-index__num {
	grid-area: num;
	font-family: var(--font-sans);
	font-size: 0.75rem;
	letter-spacing: 0.2em;
	color: var(--color-mist);
}

.service-index__name {
	grid-area: name;
	font-family: var(--font-sans);
	font-size: clamp(1.05rem, 2.4vw, 1.45rem);
	font-weight: 400;
	letter-spacing: 0.14em;
}

.service-index__desc {
	grid-area: desc;
	font-size: 0.88rem;
	color: var(--color-sub);
}

/* ---------- Service(Detail Page) ---------- */
.service-detail {
	display: grid;
	gap: clamp(4rem, 9vw, 7rem);
}

.service-detail__item {
	max-width: var(--width-narrow);
	margin-inline: auto;
	width: 100%;
}

.service-detail__num {
	font-family: var(--font-sans);
	font-size: 0.72rem;
	letter-spacing: 0.3em;
	color: var(--color-mist);
	display: block;
	margin-bottom: 1rem;
}

.service-detail__name {
	font-family: var(--font-sans);
	font-size: clamp(1.3rem, 2.8vw, 1.8rem);
	font-weight: 400;
	letter-spacing: 0.12em;
	margin-bottom: 1.2rem;
}

.service-detail__lead {
	font-size: 1.05rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	margin-bottom: 1rem;
}

.service-detail__desc {
	color: var(--color-sub);
	font-size: 0.92rem;
}

/* ---------- Flow ---------- */
.flow__list {
	counter-reset: flow;
	margin-top: 3rem;
	border-top: 1px solid var(--color-line);
}

.flow__list li {
	counter-increment: flow;
	display: grid;
	grid-template-columns: 3rem 1fr;
	gap: 0.2rem 1rem;
	padding: 1.6rem 0.5rem;
	border-bottom: 1px solid var(--color-line);
}

.flow__list li::before {
	content: counter(flow, decimal-leading-zero);
	grid-row: span 2;
	font-family: var(--font-sans);
	font-size: 0.75rem;
	letter-spacing: 0.2em;
	color: var(--color-mist);
	padding-top: 0.4em;
}

.flow__list li strong {
	font-weight: 500;
	letter-spacing: 0.12em;
}

.flow__list li span {
	grid-column: 2;
	font-size: 0.85rem;
	color: var(--color-sub);
}

/* ---------- Home Contact ---------- */
.home-contact { text-align: center; }

.home-contact__lead {
	font-size: clamp(1.05rem, 2.2vw, 1.3rem);
	line-height: 2.4;
	letter-spacing: 0.12em;
	margin-bottom: 3rem;
}

/* ---------- Page Hero(下層共通) ---------- */
.page-hero {
	padding-top: calc(76px + clamp(4rem, 9vw, 7rem));
	padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.page-hero__title {
	font-size: clamp(1.7rem, 4vw, 2.6rem);
	font-weight: 500;
	letter-spacing: 0.14em;
	line-height: 1.6;
}

.page-hero__date {
	display: block;
	font-family: var(--font-sans);
	font-size: 0.75rem;
	letter-spacing: 0.24em;
	color: var(--color-mist);
	margin-bottom: 1rem;
}

/* ---------- Statement(About 理念) ---------- */
.statement {
	text-align: center;
}

.statement p {
	font-size: clamp(1.1rem, 2.4vw, 1.45rem);
	line-height: 2.6;
	letter-spacing: 0.12em;
}

.statement p + p { margin-top: 2.6rem; }

.statement--small p { font-size: clamp(1rem, 2vw, 1.2rem); }

/* ---------- Equipment ---------- */
.equipment-list {
	border-top: 1px solid var(--color-line);
}

.equipment-list__row {
	display: grid;
	grid-template-columns: 10rem 1fr;
	gap: 1rem;
	padding: 1.5rem 0.5rem;
	border-bottom: 1px solid var(--color-line);
}

@media (max-width: 600px) {
	.equipment-list__row { grid-template-columns: 1fr; gap: 0.2rem; }
}

.equipment-list__row dt {
	font-family: var(--font-sans);
	font-size: 0.76rem;
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--color-mist);
	padding-top: 0.4em;
}

.equipment-list__row dd {
	letter-spacing: 0.1em;
}

/* ---------- Video Frame(16:9 埋め込み) ---------- */
.video-frame {
	position: relative;
	aspect-ratio: 16 / 9;
	background: var(--color-ink);
}

.video-frame iframe,
.video-frame img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
	object-fit: cover;
}

/* ---------- Works Single ---------- */
.work-single__screen {
	padding-top: calc(76px + clamp(2.5rem, 6vw, 4.5rem));
}

.work-single__body {
	padding-block: clamp(4rem, 9vw, 7rem) var(--space-section);
}

.work-single__head { margin-bottom: clamp(3rem, 6vw, 4.5rem); }

.work-single__meta {
	display: flex;
	gap: 1.6em;
	font-family: var(--font-sans);
	font-size: 0.72rem;
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--color-mist);
	margin-bottom: 1.2rem;
}

.work-single__title {
	font-size: clamp(1.6rem, 3.6vw, 2.4rem);
	font-weight: 500;
	letter-spacing: 0.12em;
	line-height: 1.7;
}

.work-single__content { margin-bottom: clamp(4rem, 8vw, 6rem); }

.work-single__credits {
	border-top: 1px solid var(--color-line);
}

.work-single__credit {
	display: grid;
	grid-template-columns: 10rem 1fr;
	gap: 1rem;
	padding: 1.5rem 0.5rem;
	border-bottom: 1px solid var(--color-line);
}

@media (max-width: 600px) {
	.work-single__credit { grid-template-columns: 1fr; gap: 0.2rem; }
}

.work-single__credit dt {
	font-family: var(--font-sans);
	font-size: 0.76rem;
	letter-spacing: 0.22em;
	color: var(--color-mist);
	padding-top: 0.4em;
}

.work-single__nav {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1.5rem;
	margin-top: clamp(4rem, 8vw, 6rem);
	font-family: var(--font-sans);
	font-size: 0.8rem;
	letter-spacing: 0.16em;
}

.work-single__nav-prev, .work-single__nav-next { min-width: 5rem; }
.work-single__nav-next { text-align: right; }

/* ---------- Entry Content(Gutenberg 本文) ---------- */
.entry-content > * + * { margin-top: 1.8em; }

.entry-content h2 {
	font-size: 1.4rem;
	font-weight: 500;
	letter-spacing: 0.12em;
	margin-top: 3.5em;
	line-height: 1.8;
}

.entry-content h3 {
	font-size: 1.15rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	margin-top: 2.8em;
}

.entry-content a { text-decoration: underline; text-underline-offset: 0.3em; }

.entry-content ul { list-style: disc; padding-left: 1.5em; }
.entry-content ol { list-style: decimal; padding-left: 1.5em; }

.entry-content blockquote {
	border-left: 1px solid var(--color-ink);
	padding-left: 1.5em;
	color: var(--color-sub);
}

.entry-content .wp-block-embed iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; }

/* ---------- Contact ---------- */
.contact-intro {
	margin-bottom: 3.5rem;
}

.contact-form__notice {
	border: 1px dashed var(--color-line);
	padding: 2rem;
	font-size: 0.88rem;
	color: var(--color-sub);
}

.contact-form__notice code {
	font-family: monospace;
	background: rgba(17, 17, 17, 0.06);
	padding: 0.1em 0.5em;
}

/* Contact Form 7 のフォーム部品 */
.wpcf7 label {
	display: block;
	font-size: 0.85rem;
	letter-spacing: 0.14em;
	margin-bottom: 2rem;
}

.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 input[type="tel"],
.wpcf7 select,
.wpcf7 textarea {
	display: block;
	width: 100%;
	margin-top: 0.7em;
	padding: 0.9em 1em;
	font-family: inherit;
	font-size: 1rem;
	color: var(--color-ink);
	background: rgba(255, 255, 255, 0.6);
	border: 1px solid var(--color-line);
	border-radius: 0;
	transition: border-color 0.3s;
}

.wpcf7 input:focus,
.wpcf7 select:focus,
.wpcf7 textarea:focus {
	outline: none;
	border-color: var(--color-ink);
}

.wpcf7 input[type="submit"] {
	display: inline-block;
	font-family: var(--font-serif);
	font-size: 0.92rem;
	letter-spacing: 0.2em;
	padding: 1.15em 3.2em;
	border: 1px solid var(--color-ink);
	color: var(--color-ink);
	background: transparent;
	cursor: pointer;
	transition: background 0.5s var(--ease-out), color 0.5s var(--ease-out);
}

.wpcf7 input[type="submit"]:hover {
	background: var(--color-ink);
	color: var(--color-bg);
}

/* ---------- Post List(News) ---------- */
.post-list { border-top: 1px solid var(--color-line); }

.post-list__item a {
	display: grid;
	grid-template-columns: 7rem 1fr;
	gap: 1rem;
	align-items: baseline;
	padding: 1.6rem 0.5rem;
	border-bottom: 1px solid var(--color-line);
}

.post-list__item time {
	font-family: var(--font-sans);
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	color: var(--color-mist);
}

.post-list__item h2 {
	font-size: 1rem;
	font-weight: 500;
	letter-spacing: 0.1em;
}

/* ---------- Pagination ---------- */
.pagination {
	margin-top: clamp(3.5rem, 7vw, 5rem);
	text-align: center;
	font-family: var(--font-sans);
	font-size: 0.8rem;
	letter-spacing: 0.2em;
}

.pagination .nav-links {
	display: flex;
	justify-content: center;
	gap: 1.6rem;
}

.pagination .current {
	border-bottom: 1px solid var(--color-ink);
	padding-bottom: 0.3em;
}

/* ---------- Footer ---------- */
.site-footer {
	background: var(--color-ink);
	color: var(--color-bg);
	margin-top: var(--space-section);
}

.site-footer__inner {
	width: min(100% - 3rem, var(--width-wide));
	margin-inline: auto;
	padding-block: clamp(4.5rem, 9vw, 7rem) 2.5rem;
}

.site-footer__cta {
	text-align: center;
	padding-bottom: clamp(4rem, 8vw, 6rem);
	border-bottom: 1px solid rgba(245, 242, 234, 0.16);
}

.site-footer__lead {
	font-size: 1rem;
	letter-spacing: 0.16em;
	margin-bottom: 2.2rem;
}

.site-footer__bottom {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	padding-top: 2.5rem;
}

.site-footer__logo {
	font-family: var(--font-sans);
	font-size: 0.85rem;
	letter-spacing: 0.3em;
}

.site-footer__sns {
	display: flex;
	gap: 2rem;
}

.site-footer__sns a {
	font-family: var(--font-sans);
	font-size: 0.72rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: rgba(245, 242, 234, 0.7);
}

.site-footer__copy {
	font-family: var(--font-sans);
	font-size: 0.68rem;
	letter-spacing: 0.2em;
	color: rgba(245, 242, 234, 0.5);
}

@media (max-width: 600px) {
	.site-footer__bottom {
		flex-direction: column;
		text-align: center;
	}
}

/* ---------- Scroll Reveal ---------- */
.reveal {
	opacity: 0;
	transform: translateY(28px);
	transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
}

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

/* 動きの抑制設定を尊重 */
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.reveal { opacity: 1; transform: none; transition: none; }
	.hero__content { animation: none; }
	.hero__scroll-line::after { animation: none; }
}