/* =============================================================
   Wakimoto Shokai — SoundAssist  /  main.css
   プロオーディオ・システムインテグレーター向けの
   ダーク基調 × シグナルレッドの精密なデザインシステム
   ============================================================= */

/* ---------- Design Tokens ---------- */
:root {
	--ink:        #0c0d10;
	--ink-2:      #111319;
	--ink-3:      #181b22;
	--ink-4:      #20232c;

	--paper:      #f3f1ea;
	--paper-2:    #e9e6dc;
	--paper-ink:  #15171c;

	--fg:         #e9e8e4;
	--fg-dim:     #9b9da5;
	--fg-mute:    #6a6d76;

	--line:        rgba(255, 255, 255, 0.10);
	--line-strong: rgba(255, 255, 255, 0.20);
	--line-dark:   rgba(15, 17, 21, 0.12);

	--accent:      #ff3a1f;
	--accent-2:    #ff6a45;
	--accent-ink:  #0c0d10;
	--accent-soft: rgba(255, 58, 31, 0.14);

	--r-sm:  6px;
	--r:     12px;
	--r-lg:  22px;
	--r-pill: 999px;

	--shadow:     0 24px 60px -24px rgba(0, 0, 0, 0.55);
	--shadow-acc: 0 24px 60px -20px rgba(255, 58, 31, 0.35);

	--font-display: "Archivo", system-ui, sans-serif;
	--font-sans:    "Zen Kaku Gothic New", "Archivo", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
	--font-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

	--container: 1200px;
	--gutter: clamp(20px, 5vw, 56px);
	--section-y: clamp(72px, 9vw, 140px);

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

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: 96px;
}

body {
	margin: 0;
	font-family: var(--font-sans);
	font-weight: 400;
	line-height: 1.85;
	color: var(--fg);
	background-color: var(--ink);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
	letter-spacing: 0.01em;
}

/* 全体に薄いグレイン */
body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: 9999;
	pointer-events: none;
	opacity: 0.035;
	mix-blend-mode: overlay;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

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

ul, ol { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.25; font-weight: 700; }

p { margin: 0 0 1.2em; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 3px;
}

/* ---------- Utilities ---------- */
.container {
	width: 100%;
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: var(--gutter);
}

.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	width: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute !important;
	word-wrap: normal !important;
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	z-index: 100000;
	background: var(--accent);
	color: var(--accent-ink);
	padding: 12px 20px;
	font-weight: 700;
	border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; }

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

.section__head { margin-bottom: clamp(36px, 5vw, 64px); }
.section__head--row {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 24px;
	flex-wrap: wrap;
}

.section__title {
	font-family: var(--font-display);
	font-weight: 800;
	font-size: clamp(1.9rem, 4.4vw, 3.2rem);
	letter-spacing: -0.02em;
	line-height: 1.12;
	margin-top: 18px;
}

/* アイブロウ（番号付きラベル） */
.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	font-family: var(--font-mono);
	font-size: 0.74rem;
	font-weight: 500;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--accent);
}
.eyebrow__index {
	display: inline-flex;
	align-items: center;
}
.eyebrow__index::after {
	content: "";
	display: inline-block;
	width: 34px;
	height: 1px;
	background: currentColor;
	margin-left: 12px;
	opacity: 0.7;
}
.eyebrow__label { color: var(--fg-dim); }

/* ボタン */
.btn {
	--btn-bg: transparent;
	--btn-fg: var(--fg);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 15px 28px;
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: 0.95rem;
	letter-spacing: 0.04em;
	border-radius: var(--r-pill);
	border: 1px solid transparent;
	background: var(--btn-bg);
	color: var(--btn-fg);
	transition: transform 0.4s var(--ease), background-color 0.3s var(--ease),
		border-color 0.3s var(--ease), box-shadow 0.4s var(--ease), color 0.3s var(--ease);
	will-change: transform;
}
.btn--accent { --btn-bg: var(--accent); --btn-fg: var(--accent-ink); }
.btn--accent:hover { transform: translateY(-3px); box-shadow: var(--shadow-acc); background: var(--accent-2); }
.btn--ghost { --btn-fg: var(--fg); border-color: var(--line-strong); }
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--fg); background: rgba(255, 255, 255, 0.04); }
.btn--sm { padding: 11px 20px; font-size: 0.85rem; }
.btn--lg { padding: 18px 38px; font-size: 1.02rem; }

/* テキストリンク（矢印付き） */
.text-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: var(--font-mono);
	font-size: 0.82rem;
	letter-spacing: 0.08em;
	color: var(--fg);
	transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}
.text-link svg { transition: transform 0.3s var(--ease); }
.text-link:hover { color: var(--accent); gap: 12px; }
.text-link:hover svg { transform: translateX(3px); }

/* スクロールリビール */
.reveal {
	opacity: 0;
	transform: translateY(28px);
	transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
	transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* =============================================================
   Header
   ============================================================= */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: color-mix(in srgb, var(--ink) 78%, transparent);
	backdrop-filter: saturate(140%) blur(14px);
	-webkit-backdrop-filter: saturate(140%) blur(14px);
	border-bottom: 1px solid transparent;
	transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.site-header.is-scrolled {
	background: color-mix(in srgb, var(--ink) 92%, transparent);
	border-bottom-color: var(--line);
}
.site-header__inner {
	display: flex;
	align-items: center;
	gap: 28px;
	min-height: 76px;
}
.site-branding { margin-right: auto; }
.custom-logo-link { display: inline-flex; align-items: center; }
.custom-logo { height: auto; max-height: 46px; width: auto; }
.site-title {
	margin: 0;
	font-family: var(--font-display);
	font-size: 1.2rem;
	font-weight: 800;
	letter-spacing: -0.01em;
}
.site-title a { color: var(--fg); }
.site-description { margin: 0; font-size: 0.72rem; color: var(--fg-mute); letter-spacing: 0.04em; }

.main-navigation .primary-menu {
	display: flex;
	align-items: center;
	gap: clamp(18px, 2.4vw, 38px);
}
.main-navigation a {
	position: relative;
	font-size: 0.92rem;
	font-weight: 500;
	color: var(--fg-dim);
	padding-block: 8px;
	transition: color 0.25s var(--ease);
}
.main-navigation a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 1px;
	background: var(--accent);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.35s var(--ease);
}
.main-navigation a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a { color: var(--fg); }
.main-navigation a:hover::after,
.main-navigation .current-menu-item > a::after { transform: scaleX(1); }
.main-navigation .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 200px;
	background: var(--ink-2);
	border: 1px solid var(--line);
	border-radius: var(--r);
	padding: 8px;
	display: none;
	box-shadow: var(--shadow);
}
.main-navigation li { position: relative; }
.main-navigation li:hover > .sub-menu { display: block; }
.main-navigation .sub-menu a { display: block; padding: 8px 14px; }

.site-header__actions { display: flex; align-items: center; gap: 16px; }
.header-phone { display: flex; flex-direction: column; line-height: 1.1; text-align: right; }
.header-phone__label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.2em; color: var(--accent); }
.header-phone__num { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; color: var(--fg); }

.menu-toggle {
	display: none;
	width: 46px; height: 46px;
	border: 1px solid var(--line-strong);
	background: transparent;
	border-radius: var(--r-sm);
	align-items: center; justify-content: center;
}
.menu-toggle__bars { display: inline-flex; flex-direction: column; gap: 5px; width: 20px; }
.menu-toggle__bars span { display: block; height: 2px; background: var(--fg); border-radius: 2px; transition: transform 0.35s var(--ease), opacity 0.2s var(--ease); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================================
   Hero
   ============================================================= */
.hero {
	position: relative;
	padding-block: clamp(96px, 16vh, 200px) clamp(64px, 9vw, 120px);
	overflow: hidden;
	border-bottom: 1px solid var(--line);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__glow {
	position: absolute;
	top: -20%;
	right: -10%;
	width: 70vw;
	height: 70vw;
	max-width: 900px;
	max-height: 900px;
	background: radial-gradient(circle at center, var(--accent-soft), transparent 62%);
	filter: blur(20px);
}
.hero__grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(var(--line) 1px, transparent 1px),
		linear-gradient(90deg, var(--line) 1px, transparent 1px);
	background-size: 64px 64px;
	-webkit-mask-image: radial-gradient(circle at 70% 30%, #000 0%, transparent 70%);
	mask-image: radial-gradient(circle at 70% 30%, #000 0%, transparent 70%);
	opacity: 0.5;
}
.hero__bg .array-motif {
	position: absolute;
	right: clamp(-40px, 4vw, 80px);
	top: 50%;
	transform: translateY(-50%);
	width: clamp(180px, 26vw, 360px);
	height: auto;
	opacity: 0.5;
}

.hero__inner { position: relative; z-index: 1; }
.hero__content { max-width: 760px; }
.hero__eyebrow {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.78rem;
	font-weight: 500;
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--accent);
	padding: 8px 16px;
	border: 1px solid var(--accent-soft);
	border-radius: var(--r-pill);
	margin-bottom: 28px;
	animation: hero-rise 0.9s var(--ease) both;
}
.hero__heading {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: clamp(2.4rem, 7vw, 5.4rem);
	line-height: 1.04;
	letter-spacing: -0.03em;
	margin-bottom: 28px;
	animation: hero-rise 0.9s var(--ease) 0.08s both;
}
.hero__subtext {
	max-width: 600px;
	font-size: clamp(1rem, 1.4vw, 1.15rem);
	color: var(--fg-dim);
	line-height: 2;
	margin-bottom: 40px;
	animation: hero-rise 0.9s var(--ease) 0.16s both;
}
.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	animation: hero-rise 0.9s var(--ease) 0.24s both;
}

@keyframes hero-rise {
	from { opacity: 0; transform: translateY(26px); }
	to   { opacity: 1; transform: none; }
}

/* ラインアレイのモチーフ */
.array-motif { color: var(--accent); }
.array-motif__cabs rect {
	fill: none;
	stroke: currentColor;
	stroke-width: 1.2;
	opacity: 0.55;
}
.array-motif__cabs rect:nth-child(odd) { opacity: 0.32; }

/* =============================================================
   Business（事業内容・4領域／写真付き）
   ============================================================= */
.business { background: var(--ink); }
.business-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: clamp(18px, 2vw, 28px);
}
.biz-card {
	position: relative;
	display: flex;
	flex-direction: column;
	background: var(--ink-2);
	border: 1px solid var(--line);
	border-radius: var(--r-lg);
	overflow: hidden;
	transition: transform 0.5s var(--ease), border-color 0.4s var(--ease);
}
.biz-card::before {
	content: "";
	position: absolute;
	left: 0; top: 0;
	z-index: 3;
	width: 100%; height: 3px;
	background: linear-gradient(90deg, var(--accent), var(--accent-2));
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.5s var(--ease);
}
.biz-card:hover {
	transform: translateY(-6px);
	border-color: var(--line-strong);
}
.biz-card:hover::before { transform: scaleX(1); }

.biz-card__media {
	position: relative;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: linear-gradient(160deg, var(--ink-3), var(--ink));
}
.biz-card__media img {
	width: 100%; height: 100%;
	object-fit: cover;
	transition: transform 0.7s var(--ease);
}
.biz-card:hover .biz-card__media img { transform: scale(1.05); }
.biz-card__media::after {
	content: "";
	position: absolute; inset: 0;
	background: linear-gradient(to top, rgba(12, 13, 16, 0.6), transparent 55%);
	pointer-events: none;
}
.biz-card__ph {
	position: absolute; inset: 0;
	display: grid; place-items: center;
	background: radial-gradient(circle at 50% 38%, var(--accent-soft), transparent 60%);
}
.biz-card__ph .array-motif { width: 42%; opacity: 0.4; }
.biz-card__ph-label {
	position: absolute;
	bottom: 14px; right: 16px;
	font-family: var(--font-mono);
	font-size: 0.64rem;
	letter-spacing: 0.24em;
	color: var(--fg-mute);
}
.biz-card__no {
	position: absolute;
	top: 16px; left: 18px;
	z-index: 2;
	font-family: var(--font-mono);
	font-size: 0.76rem;
	letter-spacing: 0.16em;
	color: var(--fg);
	background: color-mix(in srgb, var(--ink) 65%, transparent);
	border: 1px solid var(--line-strong);
	padding: 4px 11px;
	border-radius: var(--r-pill);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
}
.biz-card__body {
	display: flex;
	flex-direction: column;
	flex: 1;
	padding: clamp(22px, 2.4vw, 32px);
}
.biz-card__title {
	font-size: clamp(1.2rem, 1.7vw, 1.5rem);
	font-weight: 700;
	line-height: 1.4;
	margin-bottom: 14px;
	letter-spacing: -0.01em;
}
.biz-card__desc {
	font-size: 0.94rem;
	color: var(--fg-dim);
	line-height: 1.95;
	margin-bottom: 24px;
	flex: 1;
}
.biz-card__link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-weight: 700;
	font-size: 0.92rem;
	color: var(--fg);
	align-self: flex-start;
	transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}
.biz-card__link svg { transition: transform 0.3s var(--ease); }
.biz-card:hover .biz-card__link { color: var(--accent); }
.biz-card:hover .biz-card__link svg { transform: translateX(4px); }

/* =============================================================
   Services page（業務内容：サービス詳細）
   ============================================================= */
.services-intro { padding-top: clamp(40px, 5vw, 64px); max-width: 760px; }
.services-intro .prose { font-size: 1.06rem; }

.service-list { padding-block: clamp(24px, 4vw, 48px) clamp(48px, 6vw, 80px); }
.service-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(32px, 5vw, 76px);
	align-items: center;
	padding-block: clamp(44px, 6vw, 80px);
	border-bottom: 1px solid var(--line);
}
.service-row:first-child { padding-top: clamp(8px, 2vw, 24px); }
.service-row:last-child { border-bottom: 0; }

.service-row__media {
	position: relative;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	border: 1px solid var(--line);
	border-radius: var(--r-lg);
	background: linear-gradient(160deg, var(--ink-3), var(--ink));
	box-shadow: var(--shadow);
}
.service-row__media img {
	width: 100%; height: 100%;
	object-fit: cover;
	transition: transform 0.7s var(--ease);
}
.service-row:hover .service-row__media img { transform: scale(1.04); }
.service-row__no {
	position: absolute;
	top: 18px; left: 20px;
	z-index: 2;
	font-family: var(--font-mono);
	font-size: 0.8rem;
	letter-spacing: 0.16em;
	color: var(--fg);
	background: color-mix(in srgb, var(--ink) 65%, transparent);
	border: 1px solid var(--line-strong);
	padding: 4px 12px;
	border-radius: var(--r-pill);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
}

/* 偶数行は画像と本文を左右入れ替え（ジグザグ） */
.service-row--rev .service-row__media { order: 2; }

.service-row__title {
	font-family: var(--font-display);
	font-weight: 800;
	font-size: clamp(1.5rem, 3vw, 2.2rem);
	letter-spacing: -0.02em;
	line-height: 1.2;
	margin-bottom: 18px;
}
.service-row__lead {
	font-size: 1rem;
	color: var(--fg-dim);
	line-height: 2;
	margin-bottom: 28px;
}
.service-features { display: flex; flex-direction: column; gap: 12px; }
.service-features li {
	position: relative;
	padding-left: 28px;
	font-size: 0.96rem;
	color: var(--fg);
	line-height: 1.7;
}
.service-features li::before {
	content: "";
	position: absolute;
	left: 0; top: 0.62em;
	width: 14px; height: 2px;
	background: var(--accent);
}

@media (max-width: 860px) {
	.service-row { grid-template-columns: 1fr; gap: clamp(20px, 4vw, 32px); }
	.service-row__media { order: -1 !important; max-width: 100%; }
}

/* =============================================================
   News
   ============================================================= */
.news { background: var(--ink); }
.news-list { border-top: 1px solid var(--line); }
.news-item { border-bottom: 1px solid var(--line); }
.news-item__link {
	display: grid;
	grid-template-columns: auto auto 1fr auto;
	align-items: center;
	gap: 20px;
	padding-block: clamp(20px, 2.4vw, 30px);
	transition: padding-inline 0.4s var(--ease);
}
.news-item__link:hover { padding-inline: 10px; }
.news-item__date { font-family: var(--font-mono); font-size: 0.82rem; color: var(--fg-mute); letter-spacing: 0.04em; }
.news-item__cat {
	font-family: var(--font-mono);
	font-size: 0.68rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--accent);
	border: 1px solid var(--accent-soft);
	padding: 4px 12px;
	border-radius: var(--r-pill);
	white-space: nowrap;
}
.news-item__title {
	font-weight: 500;
	font-size: 1.04rem;
	color: var(--fg);
	transition: color 0.3s var(--ease);
}
.news-item__arrow { color: var(--fg-mute); transition: transform 0.3s var(--ease), color 0.3s var(--ease); }
.news-item__link:hover .news-item__title { color: var(--accent); }
.news-item__link:hover .news-item__arrow { transform: translateX(5px); color: var(--accent); }

/* =============================================================
   Contact CTA
   ============================================================= */
.cta { background: var(--paper); color: var(--paper-ink); }
.cta__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: clamp(28px, 5vw, 64px);
	flex-wrap: wrap;
}
.cta__title {
	font-family: var(--font-display);
	font-weight: 800;
	font-size: clamp(1.7rem, 3.6vw, 2.8rem);
	letter-spacing: -0.02em;
	line-height: 1.2;
	color: var(--paper-ink);
}
.cta__lead { margin-top: 16px; color: #4a4d55; font-size: 1.02rem; margin-bottom: 0; max-width: 46ch; }
.cta .btn--accent { box-shadow: 0 18px 40px -18px rgba(255, 58, 31, 0.5); }

/* =============================================================
   Footer
   ============================================================= */
.site-footer {
	position: relative;
	background: var(--ink);
	border-top: 1px solid var(--line);
	padding-block: clamp(56px, 7vw, 88px) 32px;
	overflow: hidden;
}
.site-footer > .array-motif {
	position: absolute;
	right: -40px;
	bottom: -40px;
	width: 220px;
	opacity: 0.12;
	color: var(--fg);
}
.site-footer__top {
	position: relative;
	display: grid;
	grid-template-columns: 1.4fr 1fr 1.2fr;
	gap: clamp(32px, 5vw, 72px);
	padding-bottom: clamp(40px, 5vw, 64px);
	border-bottom: 1px solid var(--line);
}
.site-footer__name { font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; margin-bottom: 8px; }
.site-footer__tagline { color: var(--fg-mute); font-size: 0.86rem; letter-spacing: 0.03em; margin-bottom: 28px; }
.site-footer__address { font-style: normal; display: flex; flex-direction: column; gap: 10px; }
.site-footer__line { display: flex; gap: 12px; color: var(--fg-dim); font-size: 0.92rem; }
.site-footer__line .label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; color: var(--accent); padding-top: 3px; min-width: 38px; }
.site-footer__line a { transition: color 0.25s var(--ease); }
.site-footer__line a:hover { color: var(--fg); }

.social-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.social-links a {
	display: inline-flex;
	align-items: center;
	font-family: var(--font-mono);
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	padding: 8px 16px;
	border: 1px solid var(--line);
	border-radius: var(--r-pill);
	color: var(--fg-dim);
	transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}
.social-links a:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.footer-menu { display: flex; flex-direction: column; gap: 14px; }
.footer-menu a { color: var(--fg-dim); font-size: 0.94rem; transition: color 0.25s var(--ease); }
.footer-menu a:hover { color: var(--accent); }

.site-footer__widgets { display: flex; flex-direction: column; gap: 28px; }
.footer-widget-area .widget-title { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-mute); margin-bottom: 14px; }
.footer-widget-area a { color: var(--fg-dim); }
.footer-widget-area a:hover { color: var(--accent); }

.site-footer__bottom {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	flex-wrap: wrap;
	padding-top: 28px;
}
.site-footer__copy { margin: 0; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--fg-mute); }
.to-top { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; color: var(--fg-dim); transition: color 0.3s var(--ease); }
.to-top svg { transition: transform 0.3s var(--ease); }
.to-top:hover { color: var(--accent); }
.to-top:hover svg { transform: translateY(-3px); }

/* =============================================================
   Page hero / Content / Prose
   ============================================================= */
.page-hero {
	position: relative;
	padding-block: clamp(96px, 13vh, 160px) clamp(40px, 5vw, 64px);
	border-bottom: 1px solid var(--line);
	overflow: hidden;
}
.page-hero__bg { position: absolute; inset: 0; z-index: 0; }
.page-hero__bg .hero__grid { opacity: 0.4; -webkit-mask-image: radial-gradient(circle at 80% 0%, #000, transparent 75%); mask-image: radial-gradient(circle at 80% 0%, #000, transparent 75%); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero__title {
	font-family: var(--font-display);
	font-weight: 800;
	font-size: clamp(2rem, 5vw, 3.4rem);
	letter-spacing: -0.02em;
	line-height: 1.15;
	margin-top: 16px;
}
.page-hero__title span { color: var(--accent); }
.page-hero__desc { margin-top: 16px; color: var(--fg-dim); max-width: 60ch; }

.content-area {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 300px;
	gap: clamp(40px, 5vw, 72px);
	padding-block: clamp(56px, 7vw, 96px);
	align-items: start;
}
body.no-sidebar .content-area { grid-template-columns: minmax(0, 1fr); }
.is-full-width .content-area,
.is-full-width > .container { max-width: 1000px; }
.content-main { min-width: 0; }

.post-thumbnail { display: block; border-radius: var(--r-lg); overflow: hidden; margin-bottom: 36px; border: 1px solid var(--line); }
.post-thumbnail img { width: 100%; }

/* 本文（prose） */
.prose { font-size: 1.04rem; line-height: 2; color: var(--fg); }
.prose > * + * { margin-top: 1.4em; }
.prose h2 {
	font-family: var(--font-display);
	font-size: clamp(1.5rem, 2.6vw, 2rem);
	font-weight: 700;
	letter-spacing: -0.01em;
	margin-top: 2em;
	padding-bottom: 0.4em;
	border-bottom: 1px solid var(--line);
}
.prose h3 { font-size: 1.3rem; font-weight: 700; margin-top: 1.8em; }
.prose h4 { font-size: 1.1rem; font-weight: 700; margin-top: 1.6em; color: var(--fg); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-top: 0.5em; }
.prose blockquote {
	border-left: 3px solid var(--accent);
	padding: 4px 0 4px 24px;
	color: var(--fg-dim);
	font-style: italic;
}
.prose img { border-radius: var(--r); }
.prose code {
	font-family: var(--font-mono);
	font-size: 0.88em;
	background: var(--ink-3);
	padding: 0.15em 0.4em;
	border-radius: var(--r-sm);
	color: var(--accent-2);
}
.prose pre {
	background: var(--ink-2);
	border: 1px solid var(--line);
	border-radius: var(--r);
	padding: 20px;
	overflow-x: auto;
}
.prose pre code { background: none; padding: 0; color: var(--fg); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
.prose th, .prose td { padding: 12px 16px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--ink-3); font-weight: 700; }

.entry-footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.86rem; color: var(--fg-mute); }
.entry-footer a, .tags-links a { color: var(--fg-dim); }
.entry-footer a:hover { color: var(--accent); }
.tags-links a { display: inline-block; margin-right: 8px; }

.post-nav {
	display: flex;
	justify-content: space-between;
	gap: 24px;
	margin-top: 48px;
	padding-top: 32px;
	border-top: 1px solid var(--line);
	font-size: 0.92rem;
}
.post-nav a { color: var(--fg-dim); transition: color 0.25s var(--ease); }
.post-nav a:hover { color: var(--accent); }
.post-nav__next { text-align: right; margin-left: auto; }

/* =============================================================
   Post list / cards / archive
   ============================================================= */
.entry-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--fg-mute); margin-bottom: 14px; }
.entry-meta .cat-links a { color: var(--accent); }
.posted-on time { color: var(--fg-mute); }

.archive-header { margin-bottom: 48px; }
.archive-title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.02em; margin-top: 14px; }

.post-list { display: grid; gap: clamp(24px, 3vw, 40px); }
.post-card {
	display: grid;
	grid-template-columns: 280px 1fr;
	gap: clamp(20px, 3vw, 36px);
	padding-bottom: clamp(24px, 3vw, 40px);
	border-bottom: 1px solid var(--line);
	align-items: center;
}
.post-card:last-child { border-bottom: 0; }
.post-card__media { border-radius: var(--r); overflow: hidden; aspect-ratio: 4 / 3; border: 1px solid var(--line); }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.post-card:hover .post-card__media img { transform: scale(1.05); }
.post-card__title { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; line-height: 1.4; margin-block: 4px 14px; letter-spacing: -0.01em; }
.post-card__title a { transition: color 0.25s var(--ease); }
.post-card__title a:hover { color: var(--accent); }
.post-card__excerpt { color: var(--fg-dim); font-size: 0.96rem; margin-bottom: 18px; }
.post-card__more { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 0.9rem; color: var(--fg); transition: gap 0.3s var(--ease), color 0.3s var(--ease); }
.post-card__more:hover { color: var(--accent); gap: 12px; }

.search-result { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.search-result__title { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }
.search-result__title a:hover { color: var(--accent); }
.search-result__summary { color: var(--fg-dim); font-size: 0.96rem; }

/* ページネーション */
.pagination, .comments-pagination { margin-top: clamp(40px, 5vw, 64px); }
.pagination .nav-links, .comments-pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.pagination a, .pagination span,
.comments-pagination a, .comments-pagination span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 44px;
	padding-inline: 12px;
	border: 1px solid var(--line);
	border-radius: var(--r-sm);
	font-family: var(--font-mono);
	font-size: 0.86rem;
	color: var(--fg-dim);
	transition: all 0.25s var(--ease);
}
.pagination a:hover, .comments-pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .current, .comments-pagination .current { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* =============================================================
   Sidebar / Widgets
   ============================================================= */
.sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 36px; }
.widget-area .widget { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.widget-area .widget:last-child { border-bottom: 0; }
.widget-title { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.widget ul li { padding-block: 8px; border-bottom: 1px solid var(--line); }
.widget ul li:last-child { border-bottom: 0; }
.widget a { color: var(--fg-dim); transition: color 0.25s var(--ease); }
.widget a:hover { color: var(--accent); }

/* 検索フォーム */
.search-form__inner { display: flex; gap: 8px; }
.search-field {
	flex: 1;
	background: var(--ink-2);
	border: 1px solid var(--line);
	border-radius: var(--r-sm);
	padding: 13px 16px;
	color: var(--fg);
	font-family: var(--font-sans);
	font-size: 0.95rem;
}
.search-field::placeholder { color: var(--fg-mute); }
.search-field:focus { outline: none; border-color: var(--accent); }
.search-submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	background: var(--accent);
	color: var(--accent-ink);
	border: 0;
	border-radius: var(--r-sm);
	transition: background-color 0.3s var(--ease);
}
.search-submit:hover { background: var(--accent-2); }

/* =============================================================
   Comments
   ============================================================= */
.comments-area { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--line); }
.comments-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 28px; }
.comment-list { display: flex; flex-direction: column; gap: 24px; }
.comment-list ol { padding-left: 32px; margin-top: 24px; }
.comment-body { background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--r); padding: 20px 24px; }
.comment-author { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.comment-author .avatar { border-radius: 50%; }
.comment-author .fn { font-weight: 700; }
.comment-metadata { font-family: var(--font-mono); font-size: 0.74rem; color: var(--fg-mute); margin-bottom: 12px; }
.comment-metadata a { color: var(--fg-mute); }
.reply a { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); }
.comment-respond { margin-top: 36px; }
.comment-reply-title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 18px; }
.comment-form { display: flex; flex-direction: column; gap: 16px; }
.comment-form label { display: block; font-size: 0.84rem; color: var(--fg-dim); margin-bottom: 6px; }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	background: var(--ink-2);
	border: 1px solid var(--line);
	border-radius: var(--r-sm);
	padding: 12px 16px;
	color: var(--fg);
	font-family: var(--font-sans);
	font-size: 0.95rem;
}
.comment-form textarea { min-height: 140px; resize: vertical; }
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--accent); }
.form-submit { margin: 0; }

/* =============================================================
   404
   ============================================================= */
.error-404 { position: relative; padding-block: clamp(120px, 18vh, 220px); overflow: hidden; }
.error-404__bg { position: absolute; inset: 0; z-index: 0; }
.error-404__bg .hero__glow { position: absolute; top: 0; left: 50%; transform: translateX(-50%); }
.error-404__bg .array-motif { position: absolute; right: 6%; top: 50%; transform: translateY(-50%); width: 220px; opacity: 0.18; }
.error-404__inner { position: relative; z-index: 1; max-width: 620px; }
.error-404__code { font-family: var(--font-display); font-weight: 900; font-size: clamp(4rem, 14vw, 9rem); line-height: 1; letter-spacing: -0.04em; color: var(--accent); }
.error-404__title { font-family: var(--font-display); font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em; margin-block: 16px 18px; }
.error-404__text { color: var(--fg-dim); margin-bottom: 28px; }
.error-404__search { max-width: 420px; margin-bottom: 28px; }

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 1024px) {
	.business-grid { grid-template-columns: repeat(2, 1fr); }
	.site-footer__top { grid-template-columns: 1fr 1fr; }
	.site-footer__widgets { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; }
	.content-area { grid-template-columns: 1fr; }
	.sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
	.sidebar .widget { flex: 1 1 240px; }
}

@media (max-width: 860px) {
	.menu-toggle { display: inline-flex; }
	.header-phone { display: none; }
	.main-navigation {
		position: fixed;
		inset: 76px 0 0;
		background: var(--ink);
		border-top: 1px solid var(--line);
		padding: 32px var(--gutter);
		transform: translateY(-12px);
		opacity: 0;
		visibility: hidden;
		transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
		overflow-y: auto;
		z-index: 999;
	}
	.main-navigation.is-open { opacity: 1; visibility: visible; transform: none; }
	.main-navigation .primary-menu { flex-direction: column; align-items: stretch; gap: 0; }
	.main-navigation .primary-menu > li { border-bottom: 1px solid var(--line); }
	.main-navigation a { display: block; padding: 18px 4px; font-size: 1.1rem; }
	.main-navigation a::after { display: none; }
	.main-navigation .sub-menu { position: static; display: block; border: 0; padding: 0 0 8px 16px; background: none; box-shadow: none; }
	.post-card { grid-template-columns: 1fr; }
	.post-card__media { max-width: 100%; }
	.hero__bg .array-motif { opacity: 0.22; }
}

@media (max-width: 560px) {
	.business-grid { grid-template-columns: 1fr; }
	.site-footer__top { grid-template-columns: 1fr; }
	.site-footer__widgets { flex-direction: column; }
	.hero__actions .btn { flex: 1; }
	.cta__inner { flex-direction: column; align-items: flex-start; }
	.cta .btn { width: 100%; }
}

/* =============================================================
   Reduced motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
		scroll-behavior: auto !important;
	}
	.reveal { opacity: 1; transform: none; }
}

/* WordPress 標準クラス */
.alignleft { float: left; margin: 0.4em 1.6em 1em 0; }
.alignright { float: right; margin: 0.4em 0 1em 1.6em; }
.aligncenter { display: block; margin-inline: auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text, .wp-block-image figcaption { font-size: 0.82rem; color: var(--fg-mute); text-align: center; margin-top: 8px; }
.sticky, .bypostauthor { display: block; }
.page-links { margin-top: 24px; font-family: var(--font-mono); font-size: 0.84rem; display: flex; gap: 8px; }
.page-links a { padding: 4px 10px; border: 1px solid var(--line); border-radius: var(--r-sm); }

/* === 国内正規流通（取引先） === */
.section__lead { margin-top: 16px; color: var(--fg-dim); max-width: 62ch; font-size: 1rem; line-height: 1.9; }
.distribution { background: var(--ink-2); border-block: 1px solid var(--line); }
.dist-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 1.5vw, 20px); }
.dist-item {
	position: relative;
	display: flex; align-items: center; justify-content: center; text-align: center;
	min-height: 104px; padding: 22px 16px;
	background: var(--ink); border: 1px solid var(--line); border-radius: var(--r);
	font-family: var(--font-display); font-weight: 800; font-size: clamp(1rem, 1.4vw, 1.25rem);
	letter-spacing: 0.01em; color: var(--accent); overflow: hidden;
	transition: transform 0.45s var(--ease), border-color 0.4s var(--ease);
}
.dist-item::before {
	content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
	background: linear-gradient(90deg, var(--accent), var(--accent-2));
	transform: scaleX(0); transform-origin: left; transition: transform 0.45s var(--ease);
}
.dist-item:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.dist-item:hover::before { transform: scaleX(1); }
@media (max-width: 860px) { .dist-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .dist-grid { grid-template-columns: 1fr; } }