/* =============================================================
   BUNTA iNOUE — main stylesheet
   Responsive: mobile-first, breakpoint at 768px for tablet/PC.
   All colors / gallery cols are driven by CSS custom properties
   defined in inc/customizer.php so the design stays dynamic.
   ============================================================= */

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	background: var(--ib-bg, #ffffff);
	color: var(--ib-text, #1a1a1a);
	font-family: 'Cormorant Garamond', 'Noto Serif JP', 'Yu Mincho', 'YuMincho', 'Hiragino Mincho ProN', serif;
	font-size: 16px;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { opacity: .7; }
button { font-family: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 500; }

/* ----- Accessibility ----- */
.screen-reader-text {
	position: absolute !important;
	clip: rect(1px, 1px, 1px, 1px);
	width: 1px; height: 1px; overflow: hidden;
}
.skip-link {
	position: absolute; left: -9999px; top: 0;
	background: #000; color: #fff; padding: 8px 12px; z-index: 9999;
}
.skip-link:focus { left: 0; }

/* ----- Container ----- */
.ib-container {
	max-width: 1280px;
	padding: 0 24px;
	margin: 0 auto;
}
.ib-container--narrow {
	max-width: 820px;
}

/* =============================================================
   Header
   ============================================================= */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: var(--ib-bg, #fff);
	padding: 20px 24px;
	border-bottom: 1px solid transparent;
}
.site-header__inner {
	max-width: 1440px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: auto 1fr auto auto;
	gap: 24px;
	align-items: center;
}

.site-header__logo {
	margin: 0;
	font-size: 24px;
	letter-spacing: .08em;
	font-weight: 500;
}
.site-header__logo a { display: inline-block; }
.site-header__logo-text { font-family: 'Cormorant Garamond', serif; }
.site-header__logo-dot { color: var(--ib-accent, #c8102e); }

/* Nav (desktop) */
.site-nav {
	justify-self: end;
}
.site-nav__list {
	display: flex;
	gap: 36px;
	font-size: 15px;
	letter-spacing: .05em;
}
.site-nav__list a {
	position: relative;
	padding: 4px 0;
	transition: color .2s;
}
.site-nav__list .current-menu-item > a,
.site-nav__list .current_page_item > a {
	color: var(--ib-accent, #c8102e);
}

/* Header SNS */
.site-header__sns {
	display: flex;
	align-items: center;
	gap: 8px;
}
.site-header__sns-link {
	width: 32px; height: 32px;
	border-radius: 50%;
	background: #111;
	color: #fff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: transform .2s;
}
.site-header__sns-link:hover { transform: scale(1.05); opacity: 1; }

/* Hamburger */
.site-header__burger {
	width: 44px; height: 44px;
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 8px;
	padding: 8px;
}
.site-header__burger span {
	display: block;
	width: 28px;
	height: 1px;
	background: currentColor;
	transition: transform .2s;
}

/* =============================================================
   Overlay menu
   ============================================================= */
.ib-menu-overlay {
	position: fixed;
	inset: 0;
	background: #000;
	color: #fff;
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	pointer-events: none;
	transition: opacity .3s ease;
}
.ib-menu-overlay.is-open {
	opacity: 1;
	pointer-events: auto;
}
.ib-menu-overlay__close {
	position: absolute;
	top: 20px; right: 20px;
	color: #fff;
	padding: 8px;
}
.ib-menu-overlay__nav {
	text-align: center;
	width: 100%;
	padding: 40px 24px;
}
.ib-menu-overlay__list {
	display: flex;
	flex-direction: column;
	gap: 32px;
	font-size: 28px;
	letter-spacing: .06em;
	font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
}
.ib-menu-overlay__list a { display: inline-block; padding: 4px 0; }
.ib-menu-overlay__sns {
	margin-top: 48px;
	display: flex;
	gap: 12px;
	justify-content: center;
}
.ib-menu-overlay__sns a {
	width: 40px; height: 40px;
	border-radius: 50%;
	background: #fff;
	color: #000;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

/* body lock */
body.is-menu-open { overflow: hidden; }

/* =============================================================
   HOME layout grid (v2 main: explicit positions from GridStack editor)
   ============================================================= */
.ib-layout-grid {
	display: grid;
	grid-template-columns: repeat(var(--cols-sp, 6), 1fr);
	grid-auto-rows: 56px;
	gap: 8px;
	padding: 16px;
	max-width: 1440px;
	margin: 0 auto;
}
.ib-layout-item {
	margin: 0;
	grid-column: calc(var(--x, 0) + 1) / span var(--w, 2);
	grid-row: calc(var(--y, 0) + 1) / span var(--h, 2);
	transform: rotate(var(--rot, 0deg));
	overflow: hidden;
}
.ib-layout-item__img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	object-position: center;
	display: block;
}
@media (min-width: 768px) {
	.ib-layout-grid {
		grid-template-columns: repeat(var(--cols, 12), 1fr);
		grid-auto-rows: 72px;
		gap: 12px;
		padding: 24px 40px;
	}
}

/* =============================================================
   HOME fallback gallery (artwork CPT / masonry columns)
   レイアウト未保存時のみ表示
   ============================================================= */
.ib-home {
	padding: 24px 0 120px;
}
.ib-gallery {
	column-count: var(--ib-cols-sp, 3);
	column-gap: var(--ib-gap, 10px);
	padding: 0 16px;
}
.ib-gallery__item {
	break-inside: avoid;
	-webkit-column-break-inside: avoid;
	page-break-inside: avoid;
	margin: 0 0 var(--ib-gap, 10px);
	display: block;
	transform: translate(var(--ib-offset-x, 0), var(--ib-offset-y, 0)) rotate(var(--ib-rotate, 0deg));
	transform-origin: center;
}
.ib-gallery__img,
.ib-gallery__link {
	display: block;
	width: 100%;
	height: auto;
}
.ib-gallery__img {
	transition: transform .3s ease;
}
.ib-gallery__link:hover .ib-gallery__img { transform: scale(1.03); opacity: 1; }
.ib-gallery__empty { text-align: center; padding: 80px 24px; color: var(--ib-muted); }

/* =============================================================
   Page header (common)
   ============================================================= */
.ib-page {
	padding: 40px 0 120px;
}
.ib-page__header {
	margin-bottom: 48px;
}
.ib-page__title {
	font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
	font-size: 56px;
	font-weight: 500;
	letter-spacing: .02em;
	line-height: 1.1;
}
.ib-page__subtitle {
	margin: 6px 0 0;
	font-size: 13px;
	letter-spacing: .2em;
	color: var(--ib-muted);
}
.ib-page__content p + p { margin-top: 1em; }
.ib-page__intro { margin-bottom: 32px; }

/* =============================================================
   NEWS
   ============================================================= */
.ib-news-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
}
.ib-news-grid__link {
	display: grid;
	grid-template-columns: 120px 1fr;
	gap: 16px;
	align-items: center;
}
.ib-news-grid__thumb { overflow: hidden; }
.ib-news-grid__thumb img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1/1; }
.ib-news-grid__date {
	margin: 0 0 8px;
	font-size: 12px;
	color: var(--ib-muted);
	letter-spacing: .08em;
}
.ib-news-grid__excerpt {
	margin: 0;
	font-size: 13px;
	line-height: 1.7;
	font-family: 'Noto Serif JP', serif;
	color: var(--ib-text);
}
.ib-news-single__thumb {
	margin: 24px 0 32px;
}

/* =============================================================
   MEDIA
   ============================================================= */
.ib-media-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
}
.ib-media-grid__thumb {
	aspect-ratio: 16 / 9;
	overflow: hidden;
	margin-bottom: 12px;
}
.ib-media-grid__thumb img {
	width: 100%; height: 100%; object-fit: cover;
}
.ib-media-grid__caption {
	margin: 0;
	font-size: 13px;
	font-family: 'Noto Serif JP', serif;
	color: var(--ib-text);
	line-height: 1.6;
}

/* =============================================================
   PROFILE
   ============================================================= */
.ib-profile-hero {
/* 	padding: 60px 0 60px; */
	text-align: center;
	color: var(--ib-hero, #163b8a);
}
.ib-profile-hero__inner { max-width: 980px; }
.ib-profile-hero__line-group,
.ib-profile-hero__motto-group {
	margin-bottom: 32px;
}
.ib-profile-hero__line {
	font-family: 'Noto Serif JP', 'Cormorant Garamond', serif;
	font-size: clamp(20px, 6vw, 48px);
	font-weight: 500;
	letter-spacing: .04em;
	margin: 0 0 6px;
	line-height: 1.4;
	white-space: nowrap;
}
.ib-profile-hero__sub {
	font-family: 'Cormorant Garamond', serif;
	font-size: 13px;
	color: var(--ib-hero, #163b8a);
	letter-spacing: .04em;
	margin: 0;
	opacity: .9;
}
.ib-profile-hero__motto {
	font-family: 'Cormorant Garamond', serif;
	font-size: clamp(24px, 7vw, 48px);
	letter-spacing: .08em;
	margin: 0 0 6px;
	font-weight: 500;
	line-height: 1.3;
	white-space: nowrap;
}
.ib-profile-hero__logo {
	margin-top: 40px;
	font-family: 'Cormorant Garamond', serif;
	font-size: 16px;
	letter-spacing: .1em;
	color: var(--ib-text);
	display: inline-flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
}
.ib-profile-hero__logo-img,
.ib-profile-hero__stamp {
	width: 64px; height: 64px;
	object-fit: contain;
}
.ib-profile-hero__dot {
	display: block;
	width: 36px; height: 36px;
	border: 1px solid #111;
	border-radius: 50%;
	background: transparent;
	position: relative;
}
.ib-profile-hero__dot::after {
	content: '';
	position: absolute; inset: 10px;
	background: #111; border-radius: 50%;
}

.ib-profile-body__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
	max-width: 900px;
	margin: 0 auto;
}
.ib-profile-body__heading {
	font-size: 16px;
	letter-spacing: .1em;
	margin-bottom: 16px;
	font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
}
.ib-profile-body__intro {
	font-family: 'Noto Serif JP', serif;
	font-size: 13px;
	line-height: 1.9;
}
.ib-profile-body__photo img {
	width: 100%;
	margin-top: 20px;
}
.ib-profile-body__history {
	font-family: 'Noto Serif JP', serif;
	font-size: 12px;
	line-height: 2;
}
.ib-profile-ocean {
	width: 100%;
	height: 280px;
	background: #1a4d7a no-repeat center / cover;
	margin-top: 60px;
}

/* =============================================================
   CONTACT form
   ============================================================= */
.ib-contact-form {
	margin-top: 32px;
	display: flex;
	flex-direction: column;
	gap: 0;
}
.ib-form-row {
	display: grid;
	grid-template-columns: 120px 1fr;
	align-items: center;
	gap: 12px;
	padding: 20px 8px;
	border-bottom: 1px solid #d1d1d1;
}
.ib-form-row--full {
	grid-template-columns: 1fr;
	align-items: start;
}
.ib-form-row label {
	font-size: 12px;
	letter-spacing: .1em;
	color: var(--ib-muted);
	font-family: 'Noto Serif JP', serif;
}
.ib-form-row input,
.ib-form-row textarea {
	font-family: inherit;
	font-size: 18px;
	border: 0;
	background: transparent;
	padding: 4px 0;
	text-align: right;
	outline: none;
	color: var(--ib-text);
}
.ib-form-row--full textarea {
	text-align: left;
	font-size: 15px;
	line-height: 1.9;
	font-family: 'Noto Serif JP', serif;
}
.ib-form-row input::placeholder,
.ib-form-row textarea::placeholder { color: #bbb; }
.ib-honeypot { position: absolute; left: -9999px; top: -9999px; }
.ib-form-message {
	padding: 12px 16px;
	border-radius: 4px;
	margin-bottom: 12px;
	font-size: 13px;
}
.ib-form-message--success { background: #f0f9f0; color: #2e6b31; }
.ib-form-message--error { background: #fdecec; color: #a31919; }

.ib-contact-submit {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	width: 100%;
	background: #0f0f0f;
	color: #fff;
	padding: 18px 24px;
	margin-top: 24px;
	font-size: 15px;
	letter-spacing: .1em;
	border-radius: 4px;
	font-family: 'Noto Serif JP', serif;
	transition: background .2s;
}
.ib-contact-submit:hover { background: #333; opacity: 1; }
.ib-contact-submit__icon { font-size: 14px; }

/* =============================================================
   Footer
   ============================================================= */
.site-footer {
	padding: 40px 24px;
	text-align: center;
}
.site-footer__copy {
	margin: 0;
	font-size: 11px;
	letter-spacing: .08em;
	color: var(--ib-muted);
}

/* =============================================================
   Pagination
   ============================================================= */
.page-numbers {
	display: inline-block;
	padding: 6px 12px;
	margin: 0 2px;
	border: 1px solid #e0e0e0;
	font-size: 13px;
}
.page-numbers.current { background: var(--ib-text); color: var(--ib-bg); }

.ib-back { margin-top: 40px; font-size: 13px; color: var(--ib-muted); }
.ib-empty { padding: 60px 0; text-align: center; color: var(--ib-muted); }

/* =============================================================
   Responsive: tablet+ (≥768px)
   ============================================================= */
@media (min-width: 768px) {
	.ib-container { padding: 0 40px; }

	.site-header { padding: 28px 40px; }
	.site-header__logo { font-size: 28px; }

	.ib-gallery {
		column-count: var(--ib-cols-pc, 6);
		column-gap: var(--ib-gap, 14px);
		padding: 0 60px;
	}
	.ib-gallery__item {
		margin-bottom: var(--ib-gap, 14px);
	}

	.ib-page { padding: 60px 0 160px; }
	.ib-page__title { font-size: 72px; }

	.ib-news-grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 48px 32px;
	}
	.ib-news-grid__link {
		grid-template-columns: 1fr;
		gap: 16px;
	}
	.ib-news-grid__thumb img { aspect-ratio: 1/1; }

	.ib-media-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 48px 32px;
	}

	.ib-profile-hero { padding: 80px 0 100px; }
	.ib-profile-hero__sub { font-size: 14px; }
	.ib-profile-hero__line-group,
	.ib-profile-hero__motto-group { margin-bottom: 40px; }

	.ib-profile-body { padding: 80px 24px 100px; }
	.ib-profile-body__grid {
		grid-template-columns: 1fr 1fr;
		gap: 60px;
		align-items: start;
		max-width: 900px;
	}
	.ib-profile-ocean { height: 420px; }

	.ib-form-row {
		grid-template-columns: 180px 1fr;
		padding: 24px 16px;
	}
}

/* ----- Responsive: desktop hide/show ----- */
@media (max-width: 959px) {
	.site-nav,
	.site-header__sns {
		display: none;
	}
	.site-header__inner {
		grid-template-columns: 1fr auto;
	}
}
@media (min-width: 960px) {
	.site-header__burger {
		display: none;
	}
}