@charset "UTF-8";

/* ============================================================
   デザイントークン（仕様書 §II-3.1 / 現行サイトからの実測値）
   ============================================================ */
:root {
	--wa-bg:        #FFFFFF;
	--wa-heading:   #161B1E;
	--wa-text:      #21211F;
	--wa-sub:       #919191;
	--wa-accent:    #479FE4;
	--wa-nico:      #0066B1;
	--wa-rule:      #E5E5E5;
	--wa-black:     #000000;

	--wa-font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

	--wa-col:      1080px;   /* 本文カラム幅 */
	--wa-gutter:   40px;
	--wa-hang:     1.4em;    /* 英字ラベルのハング量 */

	--wa-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 900px) {
	:root { --wa-gutter: 24px; }
}

/* ============================================================
   ベース
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--wa-bg);
	color: var(--wa-text);
	font-family: var(--wa-font);
	font-size: 15px;
	font-weight: 400;
	line-height: 2;
	letter-spacing: 0.05em;
}

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

a { color: inherit; }

button {
	font-family: inherit;
	font-size: inherit;
	color: inherit;
	background: none;
	border: 0;
	padding: 0;
	cursor: pointer;
}

.wa-skip {
	position: absolute;
	left: -9999px;
}
.wa-skip:focus {
	left: 12px; top: 12px;
	z-index: 100;
	background: var(--wa-accent);
	color: #fff;
	padding: 8px 16px;
}

/* ============================================================
   セクション見出し（§II-3.3）
   英字ラベルを和文より左にハングさせる
   ============================================================ */
.wa-heading {
	margin: 0 0 56px;
	padding-left: var(--wa-hang);
}

.wa-heading__en {
	position: relative;
	margin: 0 0 4px;
	margin-left: calc(-1 * var(--wa-hang));
	color: var(--wa-sub);
	font-size: 12px;
	font-weight: 400;
	letter-spacing: 0.28em;
	line-height: 1.6;
}

.wa-heading__dash {
	display: inline-block;
	width: var(--wa-hang);
	color: var(--wa-sub);
}

.wa-heading__ja {
	margin: 0;
	color: var(--wa-heading);
	font-size: 40px;
	font-weight: 700;      /* Bold。Light にしない */
	letter-spacing: 0.08em;
	line-height: 1.4;
}

@media (max-width: 900px) {
	.wa-heading { margin-bottom: 40px; }
	.wa-heading__ja { font-size: 28px; }
	.wa-heading__en { font-size: 11px; letter-spacing: 0.2em; }
}

/* ============================================================
   レイアウト
   ============================================================ */
.wa-main { display: block; }

.wa-section {
	max-width: calc(var(--wa-col) + var(--wa-gutter) * 2);
	margin: 0 auto;
	padding: 96px var(--wa-gutter);
}

@media (max-width: 900px) {
	.wa-section { padding: 64px var(--wa-gutter); }
}

.wa-prose { max-width: 760px; margin: 0 auto; }
.wa-prose p { margin: 0 0 1.8em; }

/* ============================================================
   ヘッダー
   ============================================================ */
.wa-header {
	border-bottom: 1px solid var(--wa-rule);
	background: var(--wa-bg);
}

.wa-header__inner {
	max-width: calc(var(--wa-col) + var(--wa-gutter) * 2);
	margin: 0 auto;
	padding: 28px var(--wa-gutter);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
}

.wa-header__brand { flex: 0 0 auto; margin: 0; line-height: 1; }
.wa-header__brand a { display: block; text-decoration: none; }
.wa-header__logo { display: block; width: 210px; height: auto; }

.wa-gnav__list {
	list-style: none;
	margin: 0; padding: 0;
	display: flex;
	gap: 32px;
	flex-wrap: wrap;
}

.wa-gnav__link {
	text-decoration: none;
	font-size: 14px;
	letter-spacing: 0.12em;
	color: var(--wa-heading);
	padding-bottom: 4px;
	border-bottom: 1px solid transparent;
	transition: border-color .3s ease, color .3s ease;
}
.wa-gnav__link:hover { color: var(--wa-accent); }
.wa-gnav__link.is-current { border-bottom-color: var(--wa-heading); }

.wa-burger { display: none; }

@media (max-width: 1023px) {
	.wa-header__logo { width: 180px; }
	.wa-burger {
		display: inline-flex;
		align-items: center;
		gap: 8px;
		font-size: 12px;
		letter-spacing: 0.16em;
	}
	.wa-burger__bar {
		width: 20px; height: 1px;
		background: var(--wa-heading);
		position: relative;
	}
	.wa-burger__bar::before,
	.wa-burger__bar::after {
		content: ""; position: absolute; left: 0;
		width: 20px; height: 1px; background: var(--wa-heading);
	}
	.wa-burger__bar::before { top: -6px; }
	.wa-burger__bar::after  { top: 6px; }

	.wa-gnav {
		display: none;
		flex-basis: 100%;
	}
	.wa-gnav.is-open { display: block; }
	.wa-gnav__list {
		flex-direction: column;
		gap: 0;
		padding-top: 16px;
	}
	.wa-gnav__item { border-top: 1px solid var(--wa-rule); }
	.wa-gnav__link { display: block; padding: 16px 0; border-bottom: 0; }
}

/* ============================================================
   フッター（§II-3.6）
   ============================================================ */
.wa-footer {
	background: var(--wa-accent);
	color: #fff;
	margin-top: 120px;
}

.wa-footer__inner {
	max-width: calc(var(--wa-col) + var(--wa-gutter) * 2);
	margin: 0 auto;
	padding: 64px var(--wa-gutter) 40px;
	text-align: center;
}

.wa-fnav__list {
	list-style: none;
	margin: 0 0 48px; padding: 0;
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 12px 32px;
}
.wa-fnav__link {
	color: #fff;
	text-decoration: none;
	font-size: 13px;
	letter-spacing: 0.18em;
	opacity: .95;
	transition: opacity .3s ease;
}
.wa-fnav__link:hover { opacity: .65; }

.wa-footer__logo { margin: 0 0 32px; }
.wa-footer__logo img { margin: 0 auto; width: 200px; height: auto; }

.wa-footer__sub {
	margin: 0 0 8px;
	font-size: 12px;
	letter-spacing: 0.14em;
}
.wa-footer__sub a { color: #fff; text-decoration: none; }
.wa-footer__sub a:hover { text-decoration: underline; }

.wa-footer__copy {
	margin: 0;
	font-size: 11px;
	letter-spacing: 0.1em;
	opacity: .8;
}

/* ============================================================
   ボタン（§II-3.5）ピル形状。画像の「角丸なし」とは別ルール
   ============================================================ */
.wa-btn {
	display: inline-block;
	background: var(--wa-accent);
	color: #fff;
	text-decoration: none;
	font-size: 15px;
	letter-spacing: 0.14em;
	padding: 16px 56px;
	border-radius: 999px;
	transition: opacity .3s ease;
}
.wa-btn:hover { opacity: .82; }

.wa-required {
	display: inline-block;
	background: var(--wa-accent);
	color: #fff;
	font-size: 11px;
	letter-spacing: .08em;
	line-height: 1;
	padding: 5px 8px;
	margin-left: 8px;
	vertical-align: middle;
}

/* ============================================================
   案内・プレースホルダ
   ============================================================ */
.wa-notice {
	border-left: 3px solid var(--wa-rule);
	background: #FAFAFA;
	padding: 24px 28px;
	margin: 0 0 64px;
}
.wa-notice__text { margin: 0; font-size: 14px; color: #555; }
.wa-notice__link { color: var(--wa-accent); }

.wa-placeholder {
	border: 1px dashed var(--wa-rule);
	padding: 64px 32px;
	text-align: center;
}
.wa-placeholder__label {
	margin: 0;
	font-size: 16px;
	font-weight: 700;
	color: var(--wa-heading);
	letter-spacing: .1em;
}
.wa-placeholder__note {
	margin: 12px 0 0;
	font-size: 13px;
	color: var(--wa-sub);
}

/* ============================================================
   商品一覧（シリーズバナー）
   ============================================================ */
.wa-banners { list-style: none; margin: 0; padding: 0; }
.wa-banner { margin: 0 0 32px; }

.wa-banner__link {
	display: block;
	text-decoration: none;
	position: relative;
	overflow: hidden;
	transition: opacity .3s ease;
}
.wa-banner__link:hover { opacity: .88; }

/* 画像バナー */
.wa-banner--image .wa-banner__media img { width: 100%; }

.wa-banner--photo .wa-banner__link {
	min-height: 260px;
	background: #161616;
	color: #fff;
}
.wa-banner--photo .wa-banner__media,
.wa-banner--photo .wa-banner__media::after {
	position: absolute;
	inset: 0;
}
.wa-banner--photo .wa-banner__media::after {
	content: "";
	background: linear-gradient(90deg, rgba(0,0,0,.08) 25%, rgba(0,0,0,.72) 100%);
}
.wa-banner--photo .wa-banner__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.wa-banner--photo .wa-banner__meta {
	position: relative;
	z-index: 1;
	display: block;
	margin-left: auto;
	padding: 64px 48px;
	max-width: 320px;
}

/* ロゴバナー：写真素材が無いシリーズ。同一テンプレートで種別のみ切替 */
.wa-banner--logo .wa-banner__link {
	background: #1B1B1B;
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 56px 48px;
	min-height: 200px;
}
.wa-banner__logo img { max-height: 88px; width: auto; }
.wa-banner__meta { text-align: right; }
.wa-banner__name {
	display: block;
	font-size: 22px;
	font-weight: 700;
	letter-spacing: .18em;
}
.wa-banner__reading {
	display: block;
	font-size: 12px;
	letter-spacing: .24em;
	opacity: .7;
	margin-top: 6px;
}
.wa-banner__count {
	display: block;
	font-size: 12px;
	letter-spacing: .14em;
	opacity: .55;
	margin-top: 10px;
}

@media (max-width: 700px) {
	.wa-banner--photo .wa-banner__link { min-height: 210px; }
	.wa-banner--photo .wa-banner__media::after { background: linear-gradient(0deg, rgba(0,0,0,.76), rgba(0,0,0,.08)); }
	.wa-banner--photo .wa-banner__meta { margin: 0; padding: 112px 24px 24px; max-width: none; text-align: left; }
	.wa-banner--logo .wa-banner__link {
		flex-direction: column;
		align-items: flex-start;
		padding: 40px 28px;
		min-height: 0;
	}
	.wa-banner__meta { text-align: left; }
	.wa-banner__name { font-size: 18px; }
}

/* ============================================================
   シリーズ見出しブロック
   ============================================================ */
.wa-series-head { margin: 0 0 64px; }
.wa-series-head__logo { margin: 0 0 24px; }
.wa-series-head__logo img { max-height: 120px; width: auto; }
.wa-series-head__subtitle {
	margin: 0 0 8px;
	font-size: 13px;
	letter-spacing: .2em;
	color: var(--wa-sub);
}
.wa-series-head__catch {
	margin: 0 0 24px;
	font-size: 16px;
	line-height: 2.1;
	color: var(--wa-text);
	max-width: 720px;
}
.wa-series-head__material {
	margin: 0;
	font-size: 12px;
	letter-spacing: .14em;
	color: var(--wa-sub);
}

/* ============================================================
   商品リスト＋画像トレイ（§II-5.4〜5.6）
   ============================================================ */
.wa-items { list-style: none; margin: 0; padding: 0; }

.wa-item { border-bottom: 1px solid var(--wa-rule); }
.wa-item:first-child { border-top: 1px solid var(--wa-rule); }

.wa-item__trigger {
	display: grid;
	grid-template-columns: 1fr 90px 90px 80px 28px;
	align-items: center;
	gap: 8px;
	width: 100%;
	padding: 22px 4px;
	text-align: left;
	transition: color .3s ease;
}
.wa-item__trigger:hover { color: var(--wa-accent); }

/* 重さの無いシリーズでは列を1つ減らす */
.wa-items--noweight .wa-item__trigger {
	grid-template-columns: 1fr 90px 90px 28px;
}

.wa-item__name { font-size: 15px; letter-spacing: .06em; }
.wa-item__code,
.wa-item__len,
.wa-item__weight {
	font-size: 13px;
	color: var(--wa-sub);
	text-align: right;
	letter-spacing: .04em;
}

.wa-item__mark {
	position: relative;
	width: 12px; height: 12px;
	justify-self: end;
}
.wa-item__mark::before,
.wa-item__mark::after {
	content: ""; position: absolute;
	background: var(--wa-sub);
	transition: transform .3s var(--wa-ease), opacity .3s var(--wa-ease);
}
.wa-item__mark::before { left: 0; top: 5px; width: 12px; height: 1px; }
.wa-item__mark::after  { left: 5px; top: 0; width: 1px; height: 12px; }
.wa-item__trigger[aria-expanded="true"] .wa-item__mark::after { opacity: 0; }

@media (max-width: 700px) {
	.wa-item__trigger {
		grid-template-columns: 1fr 64px 62px 24px;
		gap: 6px;
		padding: 18px 2px;
	}
	.wa-items--noweight .wa-item__trigger {
		grid-template-columns: 1fr 64px 24px;
	}
	.wa-item__name { font-size: 14px; }
	.wa-item__code, .wa-item__len, .wa-item__weight { font-size: 11px; }
	/* 狭幅では品番を隠さず、重さを落とす方が実務上有用 */
	.wa-item__weight { display: none; }
}

/* トレイ：grid-template-rows の fr 補間で開閉（max-height は使わない） */
.wa-tray {
	display: grid;
	grid-template-rows: 0fr;
	opacity: 0;
	transition: grid-template-rows .36s var(--wa-ease), opacity .36s var(--wa-ease);
}
.wa-tray.is-open {
	grid-template-rows: 1fr;
	opacity: 1;
}
.wa-tray__inner {
	overflow: hidden;
	min-height: 0;   /* これが無いと閉じきらない */
}

.wa-tray__scroller {
	display: flex;
	gap: 16px;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
	padding: 8px 0 28px;
}
.wa-tray__scroller::-webkit-scrollbar { display: none; }

.wa-tray__fig {
	margin: 0;
	flex: 0 0 auto;
	scroll-snap-align: start;
	width: min(420px, 78vw);
}
.wa-tray__img { width: 100%; height: auto; }

.wa-tray__empty,
.wa-tray__contact {
	margin: 0;
	padding: 0 0 24px;
	font-size: 13px;
	color: var(--wa-sub);
}
.wa-tray__contact a { color: var(--wa-accent); }

@media (prefers-reduced-motion: reduce) {
	.wa-tray { transition: none; }
	.wa-item__mark::before,
	.wa-item__mark::after { transition: none; }
}

/* ============================================================
   カード（製造工程など3カラム）
   ============================================================ */
.wa-cards {
	list-style: none;
	margin: 0; padding: 0;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 56px 40px;
}
.wa-card__media { margin: 0 0 20px; }
.wa-card__media img { width: 100%; }   /* 角丸・影は付けない */
.wa-card__title {
	margin: 0 0 12px;
	font-size: 19px;
	font-weight: 700;
	color: var(--wa-heading);
	letter-spacing: .06em;
}
.wa-card__text {
	margin: 0;
	font-size: 14px;
	color: #666;
	line-height: 2;
}

@media (max-width: 900px) {
	.wa-cards { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
}
@media (max-width: 600px) {
	.wa-cards { grid-template-columns: 1fr; }
}

/* ============================================================
   定義リスト（会社情報）
   ============================================================ */
.wa-dl {
	margin: 0;
	display: grid;
	grid-template-columns: 140px 1fr;
	gap: 0;
}
.wa-dl dt {
	padding: 20px 0 12px;
	border-bottom: 1px solid var(--wa-heading);
	font-size: 14px;
	letter-spacing: .1em;
	align-self: start;
}
.wa-dl dd {
	margin: 0;
	padding: 20px 0 12px 32px;
	border-bottom: 1px solid var(--wa-rule);
	font-size: 15px;
}
.wa-dl dd a { color: var(--wa-accent); }

@media (max-width: 700px) {
	.wa-dl { grid-template-columns: 100px 1fr; }
	.wa-dl dd { padding-left: 16px; font-size: 14px; }
}

/* ============================================================
   ヒーロー（§II-3.7）
   ============================================================ */
.wa-hero {
	position: relative;
	min-height: 100dvh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #070808 center/cover no-repeat;
	background-image: url( "../img/hero-wa-horizontal.jpg" );
}
.wa-hero::after {
	content: ""; position: absolute; inset: 0;
	background: rgba( 0, 0, 0, .34 );
}
.wa-hero__copy {
	position: relative; z-index: 1;
	margin: 0;
	color: #fff;
	font-size: 40px;
	font-weight: 400;
	letter-spacing: .22em;
	text-align: center;
	padding: 0 24px;
}
@media (max-width: 767px) {
	.wa-hero {
		min-height: 100dvh;
		background-image: url( "../img/hero-wa-vertical.jpg" );
		background-position: center;
	}
	.wa-hero__copy { font-size: 22px; letter-spacing: .16em; }
}

/* トップの導線カード */
.wa-cards--nav .wa-card__link {
	display: block;
	text-decoration: none;
	padding: 32px 0;
	border-top: 1px solid var(--wa-rule);
	transition: color .3s ease;
}
.wa-cards--nav .wa-card__link:hover { color: var(--wa-accent); }
.wa-card__en {
	display: block;
	font-size: 11px;
	letter-spacing: .24em;
	color: var(--wa-sub);
	margin-bottom: 6px;
}
.wa-cards--nav .wa-card__title { margin: 0; font-size: 20px; }

/* トップページは写真と黒で画面全体を統一 */
body.home {
	background: #070808;
	color: #f4f5f5;
}
body.home .wa-header {
	position: absolute;
	inset: 0 0 auto;
	z-index: 10;
	border-color: rgba(255,255,255,.18);
	background: rgba(7,8,8,.78);
}
body.home .wa-header__inner {
	max-width: none;
	min-height: 80px;
	padding: 14px 28px;
}
body.home .wa-gnav__link,
body.home .wa-cartlink__a,
body.home .wa-burger {
	color: #f4f5f5;
}
body.home .wa-burger__bar,
body.home .wa-burger__bar::before,
body.home .wa-burger__bar::after {
	background: #f4f5f5;
}
body.home .wa-gnav__item,
body.home .wa-cartlink__a {
	border-color: rgba(255,255,255,.28);
}
body.home .wa-main,
body.home .wa-section,
body.home .wa-footer {
	background: #070808;
}
body.home .wa-section {
	max-width: none;
	margin: 0;
	padding: 0;
}
body.home .wa-cards--nav {
	grid-template-columns: repeat(3, 1fr);
	gap: 0;
}
body.home .wa-cards--nav .wa-card__link {
	min-height: 156px;
	padding: 40px;
	border-color: rgba(255,255,255,.18);
	border-right: 1px solid rgba(255,255,255,.18);
}
body.home .wa-cards--nav .wa-card:nth-child(3n) .wa-card__link {
	border-right: 0;
}
body.home .wa-cards--nav .wa-card__title {
	color: #f4f5f5;
}
body.home .wa-card__en {
	color: rgba(244,245,245,.58);
}
body.home .wa-footer {
	margin-top: 0;
	border-top: 1px solid rgba(255,255,255,.18);
}
body.home .wa-footer__inner {
	max-width: none;
}
@media (max-width: 900px) {
	body.home .wa-cards--nav { grid-template-columns: repeat(2, 1fr); }
	body.home .wa-cards--nav .wa-card:nth-child(3n) .wa-card__link { border-right: 1px solid rgba(255,255,255,.18); }
	body.home .wa-cards--nav .wa-card:nth-child(2n) .wa-card__link { border-right: 0; }
}
@media (max-width: 600px) {
	body.home .wa-header__inner {
		min-height: 72px;
		padding: 10px 16px;
	}
	body.home .wa-header__logo { width: 148px; }
	body.home .wa-cards--nav { grid-template-columns: 1fr; }
	body.home .wa-cards--nav .wa-card .wa-card__link {
		min-height: 0;
		padding: 28px 24px;
		border-right: 0;
	}
}

/* ============================================================
   本文の補助
   ============================================================ */
.wa-lead { margin: 0 0 48px; font-size: 15px; }
.wa-note { font-size: 13px; color: var(--wa-sub); }
.wa-prose ul { padding-left: 1.4em; margin: 0 0 1.8em; }
.wa-prose li { margin-bottom: .6em; }
.wa-series-foot { margin: 64px 0 0; text-align: center; }
.wa-map { margin-top: 56px; }
.wa-map iframe { display: block; width: 100%; }

/* ============================================================
   WAとは
   ============================================================ */
.wa-about__intro {
	display: grid;
	grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr);
	align-items: center;
	gap: 72px;
	margin: 0 0 112px;
}
.wa-about__eyebrow { margin: 0 0 24px; color: var(--wa-accent); font-size: 12px; letter-spacing: .16em; }
.wa-about__copy h2 { margin: 0 0 32px; color: var(--wa-heading); font-size: clamp(30px, 3.4vw, 52px); line-height: 1.45; letter-spacing: .08em; }
.wa-about__copy > p:last-child { margin: 0; line-height: 2.2; }
.wa-about__visual { margin: 0; }
.wa-about__visual img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.wa-about__statement {
	display: grid;
	grid-template-columns: 210px 1fr;
	gap: 56px;
	align-items: start;
	padding: 64px 0;
	border-top: 1px solid var(--wa-heading);
	border-bottom: 1px solid var(--wa-rule);
}
.wa-about__number { margin: -20px 0 0; color: var(--wa-accent); font-size: 112px; font-weight: 700; line-height: 1; letter-spacing: -.06em; }
.wa-about__statement h2 { margin: 0 0 20px; font-size: 28px; }
.wa-about__statement p:last-child { margin: 0; max-width: 700px; }
.wa-about__links { display: grid; grid-template-columns: 1fr 1fr; margin-top: 48px; }
.wa-about__links a { display: flex; justify-content: space-between; padding: 20px 0; border-bottom: 1px solid var(--wa-heading); text-decoration: none; }
.wa-about__links a + a { margin-left: 48px; }

@media (max-width: 760px) {
	.wa-about__intro { grid-template-columns: 1fr; gap: 40px; margin-bottom: 72px; }
	.wa-about__visual { order: -1; }
	.wa-about__statement { grid-template-columns: 1fr; gap: 24px; padding: 44px 0; }
	.wa-about__number { font-size: 76px; }
	.wa-about__links { grid-template-columns: 1fr; }
	.wa-about__links a + a { margin-left: 0; }
}

/* ============================================================
   製造工程
   ============================================================ */
.wa-process__hero { margin: 72px 0 96px; }
.wa-process__hero img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.wa-process__hero figcaption { margin-top: 12px; color: var(--wa-sub); font-size: 12px; }
.wa-process { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--wa-heading); }
.wa-process__step {
	display: grid;
	grid-template-columns: 72px minmax(0, 1fr) 280px;
	gap: 32px;
	align-items: center;
	min-height: 150px;
	padding: 28px 0;
	border-bottom: 1px solid var(--wa-rule);
}
.wa-process__number { margin: 0; color: var(--wa-accent); font-size: 14px; letter-spacing: .16em; }
.wa-process__body h2 { margin: 0 0 8px; font-size: 20px; letter-spacing: .08em; }
.wa-process__body p { margin: 0; color: #666; font-size: 14px; }
.wa-process__step img { width: 280px; height: 120px; object-fit: cover; }

@media (max-width: 700px) {
	.wa-process__hero { margin: 48px 0 64px; }
	.wa-process__hero img { aspect-ratio: 4 / 3; }
	.wa-process__step { grid-template-columns: 44px 1fr; gap: 16px; min-height: 0; padding: 24px 0; }
	.wa-process__step img { grid-column: 2; width: 100%; height: 160px; margin-top: 8px; }
}

/* ============================================================
   フォーム
   ============================================================ */
.wa-form { max-width: 720px; margin: 48px auto 0; }
.wa-field { margin-bottom: 32px; }
.wa-field__label {
	display: block;
	margin-bottom: 10px;
	font-size: 15px;
	font-weight: 700;
	color: var(--wa-heading);
}
.wa-field__input {
	width: 100%;
	padding: 14px 16px;
	border: 1px solid #D5D5D5;
	border-radius: 2px;
	font-family: inherit;
	font-size: 15px;
	background: #fff;
	transition: border-color .3s ease;
}
.wa-field__input:focus {
	outline: none;
	border-color: var(--wa-accent);
}
.wa-agree {
	border: 1px solid var(--wa-rule);
	padding: 24px 28px;
	margin-bottom: 40px;
}
.wa-agree__link { margin: 0 0 12px; font-size: 14px; }
.wa-agree__link a { color: var(--wa-heading); }
.wa-agree__check { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.wa-form__submit { text-align: center; margin: 0 0 56px; }
.wa-form-error { padding: 16px 20px; margin: 0 0 32px; border-left: 3px solid #C0392B; background: #FFF6F5; color: #8D2319; }
.wa-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ============================================================
   Webカタログ ビューア（§II-13.4）
   ============================================================ */
.wa-viewer { margin: 0 0 40px; }

.wa-viewer__stage {
	display: flex;
	align-items: center;
	gap: 12px;
	background: #F4F4F4;
	padding: 24px 12px;
}

.wa-viewer__pages {
	flex: 1 1 auto;
	display: flex;
	justify-content: center;
	gap: 0;              /* 見開き時に綴じ側で隙間を作らない */
	min-width: 0;
}
.wa-viewer__page { margin: 0; min-width: 0; }
.wa-viewer__page img {
	width: 100%;
	height: auto;
	max-height: 72vh;
	object-fit: contain;
	background: #fff;
}
.wa-viewer__pages.is-spread .wa-viewer__page { flex: 1 1 50%; }

.wa-viewer.is-zoomed .wa-viewer__stage { overflow: auto; }
.wa-viewer.is-zoomed .wa-viewer__page img { max-height: none; }

.wa-viewer__nav {
	flex: 0 0 auto;
	width: 44px; height: 44px;
	border-radius: 999px;
	background: #fff;
	color: var(--wa-heading);
	font-size: 24px;
	line-height: 1;
	box-shadow: 0 1px 4px rgba( 0, 0, 0, .12 );
	transition: opacity .3s ease;
}
.wa-viewer__nav:disabled { opacity: .25; cursor: default; }

.wa-viewer__bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 4px 0;
}
.wa-viewer__count { margin: 0; font-size: 13px; color: var(--wa-sub); letter-spacing: .08em; }
.wa-viewer__sep { margin: 0 8px; }
.wa-viewer__zoom {
	font-size: 13px;
	letter-spacing: .1em;
	color: var(--wa-accent);
	border-bottom: 1px solid currentColor;
	padding-bottom: 2px;
}

.wa-catalog-note {
	margin: 0 0 56px;
	font-size: 12px;
	color: var(--wa-sub);
	line-height: 1.9;
}
.wa-catalog-note p { margin: 0; }

/* 目次 */
.wa-toc { margin: 0 0 64px; }
.wa-toc__title {
	margin: 0 0 20px;
	font-size: 13px;
	letter-spacing: .28em;
	color: var(--wa-sub);
	font-weight: 400;
}
.wa-toc__list {
	list-style: none; margin: 0; padding: 0;
	columns: 2;
	column-gap: 48px;
}
.wa-toc__item { break-inside: avoid; }
.wa-toc__link {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	width: 100%;
	padding: 10px 0;
	border-bottom: 1px solid var(--wa-rule);
	text-align: left;
	font-size: 13px;
	transition: color .3s ease;
}
.wa-toc__link:hover { color: var(--wa-accent); }
.wa-toc__page { flex: 0 0 auto; color: var(--wa-sub); }

@media (max-width: 767px) {
	.wa-toc__list { columns: 1; }
	.wa-viewer__stage { padding: 12px 4px; gap: 4px; }
	.wa-viewer__nav { width: 36px; height: 36px; font-size: 20px; }
}

.wa-dl-block { margin: 0 0 32px; }
.wa-dl-block__title {
	margin: 0 0 20px;
	font-size: 13px;
	letter-spacing: .28em;
	color: var(--wa-sub);
	font-weight: 400;
}

/* ============================================================
   カート追加UI（§II-8.1）ケース単位のステッパー
   ============================================================ */
.wa-add {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 12px;
	padding: 0 0 28px;
	font-size: 13px;
}
.wa-add__label { color: var(--wa-sub); letter-spacing: .1em; }
.wa-add__stepper {
	display: inline-flex;
	align-items: center;
	border: 1px solid #D5D5D5;
	border-radius: 999px;
	overflow: hidden;
}
.wa-add__btn {
	width: 34px; height: 34px;
	font-size: 15px;
	color: var(--wa-heading);
	background: #fff;
}
.wa-add__btn:hover { background: #F2F2F2; }
.wa-add__input {
	width: 48px;
	height: 34px;
	border: 0;
	border-left: 1px solid #E8E8E8;
	border-right: 1px solid #E8E8E8;
	text-align: center;
	font-family: inherit;
	font-size: 14px;
	-moz-appearance: textfield;
}
.wa-add__input::-webkit-outer-spin-button,
.wa-add__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.wa-add__unit { color: var(--wa-sub); }
.wa-add__submit {
	background: var(--wa-accent);
	color: #fff;
	border-radius: 999px;
	padding: 9px 24px;
	font-size: 13px;
	letter-spacing: .1em;
	transition: opacity .3s ease;
}
.wa-add__submit:hover { opacity: .82; }

/* ============================================================
   カート画面（金額は一切表示しない）
   ============================================================ */
.wa-cart__list { list-style: none; margin: 0 0 32px; padding: 0; }
.wa-cart__row {
	display: grid;
	grid-template-columns: 1fr 90px 200px 60px;
	align-items: center;
	gap: 12px;
	padding: 20px 4px;
	border-bottom: 1px solid var(--wa-rule);
}
.wa-cart__code, .wa-cart__qty { font-size: 13px; color: var(--wa-sub); }
.wa-cart__qty { text-align: right; }
.wa-cart__del {
	font-size: 12px;
	color: var(--wa-sub);
	border-bottom: 1px solid currentColor;
	justify-self: end;
}
.wa-cart__del:hover { color: #C0392B; }
.wa-cart__sum {
	margin: 0 0 48px;
	text-align: right;
	font-size: 14px;
	letter-spacing: .06em;
}
.wa-cart__empty, .wa-cart__loading { font-size: 14px; color: var(--wa-sub); }
.wa-cart__error { font-size: 13px; color: #C0392B; margin: 0 0 8px; }
.wa-cart__lead { font-size: 14px; margin: 0 0 32px; }

@media (max-width: 700px) {
	.wa-cart__row {
		grid-template-columns: 1fr auto;
		grid-template-areas: "name del" "code qty";
		gap: 6px 12px;
	}
	.wa-cart__name { grid-area: name; }
	.wa-cart__code { grid-area: code; }
	.wa-cart__qty  { grid-area: qty; text-align: right; }
	.wa-cart__del  { grid-area: del; }
}

/* ============================================================
   見積カートへの導線
   ============================================================ */
.wa-cartlink { margin: 0; flex: 0 0 auto; }
.wa-cartlink__a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	text-decoration: none;
	font-size: 13px;
	letter-spacing: .1em;
	color: var(--wa-heading);
	border: 1px solid var(--wa-rule);
	border-radius: 999px;
	padding: 8px 18px;
	transition: border-color .3s ease, color .3s ease;
}
.wa-cartlink__a:hover { color: var(--wa-accent); border-color: var(--wa-accent); }
.wa-cartlink__badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 20px; height: 20px;
	padding: 0 6px;
	border-radius: 999px;
	background: var(--wa-accent);
	color: #fff;
	font-size: 11px;
	line-height: 1;
}

.wa-heading--noen { padding-left: 0; }

.wa-footer__logo-text {
	display: inline-block;
	font-size: 44px;
	letter-spacing: .1em;
	font-style: italic;
	opacity: .95;
}

.wa-quote-actions {
	margin: 48px 0 56px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 32px;
	flex-wrap: wrap;
}
.wa-quote-actions__sub {
	font-size: 13px;
	letter-spacing: .1em;
	color: var(--wa-heading);
	border-bottom: 1px solid currentColor;
	text-decoration: none;
	padding-bottom: 2px;
}

.wa-quote-flow {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	margin-top: 72px;
	border-top: 1px solid var(--wa-heading);
	border-bottom: 1px solid var(--wa-rule);
}
.wa-quote-flow p { margin: 0; padding: 28px 20px 28px 0; font-size: 14px; }
.wa-quote-flow span { color: var(--wa-accent); margin-right: 16px; font-size: 11px; }
.wa-quote-invalid { padding: 48px; background: #F7F7F7; text-align: center; }
.wa-quote-invalid a { color: var(--wa-accent); }
.wa-quote-sheet { color: #111; }
.wa-quote-sheet__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; padding-bottom: 24px; border-bottom: 2px solid #111; }
.wa-quote-sheet__head h2 { margin: 0; font-size: 28px; }
.wa-quote-sheet__head > p { margin: 0; font-size: 12px; }
.wa-quote-sheet__label { margin: 0 0 4px; color: var(--wa-sub); font-size: 10px; letter-spacing: .2em; }
.wa-quote-sheet__customer { margin: 40px 0; font-size: 18px; }
.wa-quote-sheet__total { display: flex; justify-content: space-between; align-items: baseline; max-width: 520px; margin: 0 0 48px; padding: 18px 0; border-bottom: 1px solid #111; }
.wa-quote-sheet__total strong { font-size: 32px; }
.wa-quote-table-wrap { overflow-x: auto; }
.wa-quote-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.wa-quote-table th, .wa-quote-table td { padding: 12px 10px; border-bottom: 1px solid var(--wa-rule); text-align: left; white-space: nowrap; }
.wa-quote-table th { border-bottom-color: #111; }
.wa-quote-table th:nth-child(n+3), .wa-quote-table td:nth-child(n+3) { text-align: right; }
.wa-quote-totals { width: min(420px, 100%); margin: 36px 0 48px auto; }
.wa-quote-totals div { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--wa-rule); }
.wa-quote-totals dt, .wa-quote-totals dd { margin: 0; }
.wa-quote-totals div:last-child { font-weight: 700; border-bottom-color: #111; }
.wa-quote-print { margin: 48px 0 0; text-align: center; }

@media (max-width: 700px) {
	.wa-quote-flow { grid-template-columns: 1fr; }
	.wa-quote-flow p { border-bottom: 1px solid var(--wa-rule); }
	.wa-quote-sheet__head { display: block; }
	.wa-quote-sheet__head > p { margin-top: 12px; }
	.wa-quote-sheet__total strong { font-size: 24px; }
}

@media print {
	.wa-header, .wa-footer, .wa-quote-print, .wa-heading { display: none !important; }
	.wa-section { max-width: none; padding: 0; }
	.wa-quote-sheet { font-size: 11pt; }
}

@media (max-width: 1023px) {
	.wa-cartlink { order: 3; }
	.wa-cartlink__a { padding: 6px 14px; font-size: 12px; }
}