/*
Theme Name: 大橋今右衛門 モダンリデザイン(提案用)
Theme URI: https://imaemon.net/
Author: 野原充博
Description: 既存HTMLサイトの要素を活かした、和風・自然なトーンのモダンリデザイン提案です。ホーム/竹材販売/WATUSの3ページを実装しています(その他のページは今後の展開イメージとしてプレースホルダー表示です)。
Version: 0.1 (proposal)
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: imaemon-modern
*/

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  --ink: #2c2a24;
  --ink-soft: #52504a;
  --paper: #f7f3e9;
  --paper-deep: #efe8d8;
  --bamboo-deep: #2f4a3a;
  --bamboo: #4a6b4f;
  --bamboo-light: #8fae6f;
  --bamboo-pale: #dfe8d2;
  --watus-deep: #2c6570;
  --watus-pale: #dbebec;
  --vermillion: #b3402c;
  --vermillion-deep: #8f3122;
  --line: #d8cfb8;
  --white: #fffdf8;

  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", sans-serif;

  --container: 1080px;
  --header-h: 67px;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 12px 32px -16px rgba(44, 42, 36, 0.35);
  --shadow-sm: 0 6px 16px -8px rgba(44, 42, 36, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 0.6em;
  color: var(--bamboo-deep);
}

p { margin: 0 0 1em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--vermillion);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--vermillion);
}

/* ==========================================================================
   Header / nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand__seal {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--vermillion);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.brand__text { line-height: 1.3; }
.brand__name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--bamboo-deep);
  display: block;
}
.brand__since {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--bamboo-deep);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-scrim {
  position: fixed;
  inset: 0;
  background: rgba(44,42,36,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  z-index: 98;
}
.nav-scrim.is-open { opacity: 1; pointer-events: auto; }

/* ==========================================================================
   Header nav: off-canvas drawer on mobile, horizontal bar on desktop
   ========================================================================== */
.site-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(320px, 84vw);
  height: 100vh;
  background: var(--white);
  box-shadow: -14px 0 40px -20px rgba(0,0,0,0.4);
  transform: translateX(100%);
  transition: transform .3s ease;
  padding: 90px 32px 32px;
  z-index: 99;
}
.site-nav.is-open { transform: translateX(0); }
.nav-groups { list-style: none; margin: 0; padding: 0; }

/* Pills: color-coded by content group (bamboo / WATUS / neutral); no fill background, color comes from icon + text only */
.nav-pill {
  border-radius: 16px;
  margin-bottom: 12px;
  padding: 12px 16px;
}

.nav-pill__icon {
  display: inline-flex;
  width: 16px; height: 16px;
  flex-shrink: 0;
}
.nav-pill__icon svg { width: 100%; height: 100%; }
.nav-pill--bamboo .nav-pill__icon svg { color: var(--bamboo-deep); }
.nav-pill--watus .nav-pill__icon svg { fill: var(--watus-deep); }
.nav-pill--plain .nav-pill__icon svg { color: var(--ink); }

.nav-pill--bamboo > a,
.nav-pill--plain > a {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
}
.nav-pill--bamboo > a { color: var(--bamboo-deep); }
.nav-pill--plain > a { color: var(--ink); }

.nav-pill--watus {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.nav-pill--watus .nav-pill__icon { margin-top: 3px; }
.nav-pill--watus .nav-pill__watus-group {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 8px;
}
.nav-pill--watus .nav-pill__watus-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--watus-deep);
}
.nav-pill--watus .nav-pill__links {
  display: flex;
  flex-direction: column;
}
.nav-pill--watus .nav-pill__links a {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--watus-deep);
  padding: 6px 0;
  border-bottom: 1px solid rgba(44, 101, 112, 0.15);
}
.nav-pill--watus .nav-pill__links a:first-child { padding-top: 0; }
.nav-pill--watus .nav-pill__links a:last-child { border-bottom: none; padding-bottom: 0; }

.nav-pill a:hover { opacity: 0.72; }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav-scrim { display: none; }
  .site-nav {
    position: static;
    width: auto;
    height: auto;
    box-shadow: none;
    transform: none;
    padding: 0;
    background: transparent;
  }
  .nav-groups { display: flex; align-items: center; gap: 14px; }
  .nav-pill { margin-bottom: 0; padding: 8px 16px; }
  .nav-pill--bamboo > a { font-size: 14px; }
  .nav-pill--watus { align-items: center; gap: 8px; }
  .nav-pill--watus .nav-pill__icon { margin-top: 0; }
  .nav-pill--watus .nav-pill__watus-group { flex-direction: row; align-items: center; gap: 14px; }
  .nav-pill--watus .nav-pill__watus-title { font-size: 11.5px; line-height: 1.4; white-space: nowrap; }
  .nav-pill--watus .nav-pill__links { flex-direction: row; gap: 16px; }
  .nav-pill--watus .nav-pill__links a {
    font-size: 13.5px;
    padding: 0;
    border-bottom: none;
  }
  .nav-pill--plain > a { font-size: 14px; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: 56px 0 64px;
  background:
    radial-gradient(circle at 12% 18%, var(--bamboo-pale) 0%, transparent 45%),
    var(--paper);
}
.hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  gap: 36px;
  align-items: center;
}
.hero__copy h1 {
  font-size: clamp(28px, 6vw, 44px);
  margin-bottom: 0.4em;
}
.hero__copy p {
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 46ch;
}
.hero__media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
}
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero__badge {
  position: absolute;
  left: 16px; bottom: 16px;
  background: rgba(255,253,248,0.92);
  backdrop-filter: blur(6px);
  padding: 10px 16px;
  border-radius: 999px;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--bamboo-deep);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1.1fr 0.9fr; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-serif);
  font-size: 14.5px;
  letter-spacing: 0.04em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--vermillion);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--vermillion-deep); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--bamboo-deep);
  color: var(--bamboo-deep);
}
.btn-outline:hover { background: var(--bamboo-deep); color: var(--white); }
.btn-ghost {
  background: var(--white);
  color: var(--bamboo-deep);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Sections / cards
   ========================================================================== */
section { padding: 60px 0; }
.section-head { max-width: 640px; margin: 0 0 36px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(24px, 4.4vw, 32px); }
.section-head p { color: var(--ink-soft); }

.pillars {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .pillars { grid-template-columns: repeat(3, 1fr); }
}
.pillar-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.pillar-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pillar-card__img { aspect-ratio: 4/3; overflow: hidden; }
.pillar-card__img img { width: 100%; height: 100%; object-fit: cover; }
.pillar-card__body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.pillar-card h3 { font-size: 19px; margin-bottom: 0.4em; }
.pillar-card p { color: var(--ink-soft); font-size: 14.5px; flex: 1; }
.pillar-card .link-arrow { margin-top: 10px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--vermillion);
}
.link-arrow::after { content: "\2192"; transition: transform .18s ease; }
.link-arrow:hover::after { transform: translateX(4px); }

/* story / heritage split */
.story {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.story__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}
@media (min-width: 860px) {
  .story__inner { grid-template-columns: 0.9fr 1.1fr; }
}
.story__media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.story__num {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--vermillion);
  letter-spacing: 0.05em;
}
.story h2 { margin-top: 0.2em; }
.story p { color: var(--ink-soft); }

/* gallery strip */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 700px) {
  .gallery { grid-template-columns: repeat(4, 1fr); }
}
.gallery__item { border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 1; box-shadow: var(--shadow-sm); }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.gallery__item:hover img { transform: scale(1.06); }

/* category grid (take page) */
.cat-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 620px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
}
.cat-card {
  display: flex;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  align-items: center;
}
.cat-card__img {
  width: 92px; height: 92px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.cat-card__img img { width: 100%; height: 100%; object-fit: cover; }
.cat-card h3 { font-size: 16.5px; margin-bottom: 0.3em; }
.cat-card p { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 0.5em; }

/* feature list (watus page) */
.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature-card {
  text-align: center;
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 22px;
  box-shadow: var(--shadow-sm);
}
.feature-card__icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bamboo-pale);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.feature-card h3 { font-size: 17px; }
.feature-card p { color: var(--ink-soft); font-size: 14px; margin: 0; }

/* product split (watus hero) */
.product-split {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 860px) {
  .product-split { grid-template-columns: 0.85fr 1.15fr; }
}
.product-split__media {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  text-align: center;
}

/* sub-links row */
.sublinks {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 700px) { .sublinks { grid-template-columns: repeat(4, 1fr); } }
.sublinks a {
  display: block;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 10px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--bamboo-deep);
  transition: border-color .2s ease, color .2s ease;
}
.sublinks a:hover { border-color: var(--vermillion); color: var(--vermillion); }

/* CTA band */
.cta {
  background: var(--bamboo-deep);
  color: var(--white);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
}
.cta h2 { color: var(--white); }
.cta p { color: rgba(255,253,248,0.8); }
.cta .btn-row { justify-content: center; }
.cta .btn-primary { background: var(--vermillion); }
.cta .btn-outline { border-color: rgba(255,253,248,0.6); color: var(--white); }
.cta .btn-outline:hover { background: var(--white); color: var(--bamboo-deep); }
.cta-tel {
  font-family: var(--font-serif);
  font-size: 26px;
  letter-spacing: 0.03em;
}
.cta-tel span { font-size: 13px; display: block; letter-spacing: 0.1em; opacity: 0.75; }

/* bamboo joint divider */
.joint-divider {
  height: 1px;
  background: var(--line);
  position: relative;
  margin: 0 auto;
  max-width: var(--container);
}
.joint-divider::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 34px; height: 6px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--ink);
  color: rgba(255,253,248,0.82);
  padding: 48px 0 26px;
  margin-top: 40px;
}
.site-footer .brand__name,
.site-footer .brand__since { color: var(--white); }
.site-footer__grid {
  display: grid;
  gap: 30px;
  margin-bottom: 30px;
}
@media (min-width: 760px) {
  .site-footer__grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
.site-footer h4 {
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.site-footer a:hover { color: var(--bamboo-light); }
.site-footer__bottom {
  border-top: 1px solid rgba(255,253,248,0.15);
  padding-top: 20px;
  font-size: 12px;
  opacity: 0.6;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
}

/* ==========================================================================
   fallback page
   ========================================================================== */
.fallback-page {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
}
.fallback-page__inner { max-width: 440px; }
.fallback-page h1 { font-size: 24px; }
.fallback-page p { color: var(--ink-soft); font-size: 14.5px; }

/* ==========================================================================
   WATUS page — standalone editorial redesign (参考: kurashi.com)
   このページ専用のヘッダー・フッター・コンテンツにのみ適用されるよう、
   body.watus-kurashi 配下 + k- 接頭辞のクラス名でスコープしています。
   ========================================================================== */
body.watus-kurashi {
  --k-ink: #17181a;
  --k-ink-soft: #4a4840;
  --k-line: #e3e1da;
  --k-bg: #ffffff;
  --k-bg-soft: #f6f4ef;
  --k-container: 1120px;
  background: var(--k-bg);
  color: var(--k-ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.9;
}
body.watus-kurashi h1,
body.watus-kurashi h2,
body.watus-kurashi h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--k-ink);
}
body.watus-kurashi p { color: var(--k-ink-soft); font-weight: 400; }
body.watus-kurashi a { color: inherit; text-decoration: none; }
/* 全ページ共通: リンクだと分かるよう、ヘッダー同様マウスオーバーで下線を表示 */
body.watus-kurashi a:hover { text-decoration: underline; text-underline-offset: 3px; }

.k-container { max-width: var(--k-container); margin: 0 auto; padding: 0 24px; }

/* header */
.k-header {
  border-bottom: 1px solid var(--k-line);
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 100;
}
/* フッター用: ヘッダーと同じ見た目だが、追従はさせず下端の区切り線にする */
.k-header--footer {
  position: static;
  top: auto;
  border-bottom: none;
  border-top: 1px solid var(--k-line);
}

/* お問合せバー(赤バッジ＋電話／メール) — ヘッダー・フッター共通の1行 */
.k-contact-bar {
  background: var(--k-bg-soft);
  border-bottom: 1px solid var(--k-line);
}
.k-contact-bar--footer {
  border-bottom: none;
  border-top: 1px solid var(--k-line);
}
.k-contact-bar__inner {
  max-width: var(--k-container);
  margin: 0 auto;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}
.k-contact-bar__badge {
  background: var(--vermillion);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 3px;
  flex-shrink: 0;
}
.k-contact-bar__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  color: var(--k-ink);
  white-space: nowrap;
}
.k-contact-bar__item:hover { text-decoration: underline; text-underline-offset: 3px; }
.k-contact-bar__icon { width: 16px; height: 16px; flex-shrink: 0; color: var(--vermillion); }
.k-header__inner {
  max-width: var(--k-container);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.k-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.k-logo:hover .k-logo__text { text-decoration: underline; text-underline-offset: 4px; }
.k-logo__mark {
  width: 30px; height: 30px;
  border: 1px solid var(--k-ink);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 13px; font-weight: 600;
  flex-shrink: 0;
}
.k-logo__text { font-family: var(--font-serif); font-size: 26px; letter-spacing: 0.08em; font-weight: 600; white-space: nowrap; }
.k-logo__text ruby { ruby-position: over; }
.k-logo__text rt {
  font-family: var(--font-sans);
  font-size: 0.38em;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--k-ink-soft);
}

/* 元サイト共通ヘッダーのアイコン付きナビ(nav-pill)をWATUSページでも使用。
   body.watus-kurashi a { color:inherit } の方が詳細度で勝ってしまうため、
   ピルのリンク色はここで body.watus-kurashi を前置して上書きします。 */
body.watus-kurashi .nav-pill--bamboo > a { color: var(--bamboo-deep); }
body.watus-kurashi .nav-pill--plain > a { color: var(--ink); }
body.watus-kurashi .nav-pill--watus a { color: var(--watus-deep); }
body.watus-kurashi .k-nav .nav-groups { list-style: none; margin: 0; padding: 0; width: 100%; }

.k-nav-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
  width: 36px; height: 36px; border: none; background: transparent; cursor: pointer; padding: 0;
}
.k-nav-toggle span { display: block; height: 1px; background: var(--k-ink); transition: transform .25s ease, opacity .25s ease; }
.k-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.k-nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.k-nav-scrim {
  position: fixed; inset: 0; background: rgba(23,24,26,0.3);
  opacity: 0; pointer-events: none; transition: opacity .3s ease; z-index: 98;
}
.k-nav-scrim.is-open { opacity: 1; pointer-events: auto; }

.k-nav {
  position: fixed; inset: 0 0 0 auto; width: min(300px, 84vw); height: 100vh;
  background: var(--k-bg); transform: translateX(100%); transition: transform .3s ease;
  padding: 100px 32px 32px; z-index: 99;
  display: flex; flex-direction: column; gap: 22px;
  overflow-y: auto;
}
.k-nav.is-open { transform: translateX(0); }

@media (min-width: 900px) {
  .k-nav-toggle { display: none; }
  .k-nav-scrim { display: none; }
  .k-header__inner { justify-content: flex-start; gap: 48px; }
  .k-nav {
    position: static; width: auto; height: auto; transform: none; padding: 0;
    flex-direction: row; align-items: center; gap: 32px; overflow: visible;
    flex: 1;
  }
}

/* flat two-line header nav (大橋今右衛門TOPページ／竹材販売について／WATUS各種／会社概要) */
.k-nav-list { list-style: none; margin: 0; padding: 0; width: 100%; display: flex; flex-direction: column; gap: 24px; }
.k-nav-item a {
  display: flex; flex-direction: column; gap: 2px;
  font-family: var(--font-serif); font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--k-ink);
}
.k-nav-item a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (min-width: 900px) {
  /* ロゴ〜ナビ間を詰めた分、空いたスペースはリンク間に均等配分する。
     幅が足りない場合はクリップさせず折り返す(html{overflow-x:hidden}で
     はみ出しが見えないまま切れてしまうのを防ぐ)。 */
  .k-nav-list { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; width: 100%; gap: 18px 22px; }
  .k-nav-item a { align-items: center; text-align: center; justify-content: center; min-height: 32px; font-size: 13px; line-height: 1.4; white-space: nowrap; }
}

/* eyebrow (kurashi風: 大文字英字を細く広く) */
.k-eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--k-ink-soft);
  margin-bottom: 18px;
}

/* hero (統合案: 見出し + 写真バナーを1つのヒーローに統合) */
.k-hero { padding: 28px 0 72px; }
.k-hero__inner {
  max-width: var(--k-container); margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr; align-items: center;
}
.k-hero__copy { padding: 12px 0 32px; }
.k-hero__intro {
  max-width: 1100px; margin: 0 auto 8px; padding: 0 24px 20px;
  font-size: 18px; line-height: 1.9; color: var(--k-ink-soft); text-align: center;
}
@media (min-width: 1000px) {
  .k-hero__intro { white-space: nowrap; }
}
.k-hero__title { font-size: clamp(24px, 3.4vw, 32px); line-height: 1.5; margin-bottom: 0.5em; }
@media (min-width: 900px) {
  .k-hero__title--nowrap { white-space: nowrap; font-size: clamp(24px, 2.4vw, 28px); }
}
.k-hero__highlights {
  list-style: none; margin: 20px 0 0; padding: 0;
  display: flex; flex-direction: column; gap: 6px;
}
.k-hero__highlights li { font-size: 16px; color: var(--k-ink-soft); line-height: 1.7; }
.k-hero__brand { margin: 36px 0 10px; }
.k-hero__brand-label {
  display: block; font-size: 13px; letter-spacing: 0.24em; color: var(--k-ink-soft); margin-bottom: 8px;
}
.k-hero__brand-mark { display: inline-block; }
.k-hero__brand-name {
  display: block; font-weight: 700; font-size: clamp(38px, 7vw, 58px);
  letter-spacing: 0.06em; color: #6a71c9; line-height: 1.1; white-space: nowrap;
}
.k-hero__brand-wave {
  display: block; width: 100%; height: 16px; margin: 10px 0 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='16' viewBox='0 0 60 16' preserveAspectRatio='none'%3E%3Cpath d='M0 8 Q15 0 30 8 T60 8' stroke='%237c8fd6' stroke-width='1.4' fill='none'/%3E%3Cpath d='M0 12 Q15 4 30 12 T60 12' stroke='%23b9c2e8' stroke-width='1.4' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-size: 100% 16px;
}
.k-hero__brand-en {
  display: block; font-family: var(--font-serif); font-style: italic;
  font-size: clamp(26px, 4.5vw, 36px); letter-spacing: 0.1em; color: #6a71c9;
  text-align: center;
}
.k-hero__media {
  position: relative; width: 100%; overflow: hidden;
  aspect-ratio: 4 / 3.4; background: var(--k-bg);
}
.k-hero__media img {
  position: absolute; inset: 12px 16px 0; width: calc(100% - 32px); height: calc(100% - 12px);
  object-fit: contain; object-position: center bottom;
}
.k-hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0) 12%);
}
@media (min-width: 900px) {
  .k-hero { padding: 56px 0 72px; }
  .k-hero__inner { grid-template-columns: minmax(300px, 400px) 1fr; column-gap: 32px; min-height: 540px; }
  .k-hero__copy { padding: 0; display: flex; flex-direction: column; justify-content: center; }
  .k-hero__media { aspect-ratio: auto; height: 100%; min-height: 540px; }
  .k-hero__media img { inset: 32px 24px 0; width: calc(100% - 48px); height: calc(100% - 32px); }
  .k-hero__media::after {
    background: linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.5) 6%, rgba(255,255,255,0) 20%);
  }
}

/* buttons */
.k-btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.k-btn-row--center { justify-content: center; }
.k-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; font-size: 13px; letter-spacing: 0.08em;
  border: 1px solid var(--k-ink); transition: background .2s ease, color .2s ease;
}
body.watus-kurashi .k-btn--solid { background: var(--k-ink); color: #fff; }
body.watus-kurashi .k-btn--solid:hover { background: #000; }
.k-btn--outline { background: transparent; color: var(--k-ink); }
.k-btn--outline:hover { background: var(--k-ink); color: #fff; }

/* sections */
.k-section { padding: 72px 0; }
.k-section--bordered { border-top: 1px solid var(--k-line); border-bottom: 1px solid var(--k-line); background: var(--k-bg-soft); }
.k-section__head { max-width: 640px; margin: 0 0 44px; }
.k-section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.k-section__title, .k-section__head h2 { font-size: clamp(26px, 4.1vw, 33px); }
.k-section__head h2.k-heading--nowrap {
  white-space: nowrap; max-width: 100%;
  font-size: clamp(14px, 4.3vw, 33px);
}

/* numbered feature rows (kurashi風の一覧行) */
.k-num-list { border-top: 1px solid var(--k-line); }
.k-num-row {
  display: grid; grid-template-columns: 60px 1fr; gap: 24px;
  padding: 30px 0; border-bottom: 1px solid var(--k-line);
}
.k-num-row__body { min-width: 0; }
.k-num-row__num { font-family: var(--font-serif); font-size: 16px; color: var(--k-ink-soft); letter-spacing: 0.08em; }
.k-num-row__body h3 { font-size: 20px; margin-bottom: 0.5em; }
.k-num-row__body p { font-size: 18px; margin: 0; }
@media (min-width: 700px) {
  .k-num-row { grid-template-columns: 90px 1fr; align-items: baseline; }
}

/* story split */
.k-story { padding: 0; }
.k-story__inner { display: grid; gap: 0; padding-top: 72px; padding-bottom: 72px; }
.k-story__media { aspect-ratio: 4/3; overflow: hidden; background: var(--k-bg-soft); }
.k-story__media img { width: 100%; height: 100%; object-fit: cover; }
.k-story__body { display: flex; flex-direction: column; justify-content: center; padding: 32px 0 0; }
.k-story__body h2 { font-size: clamp(24px, 3.7vw, 31px); margin-bottom: 0.6em; }
.k-story__body p { font-size: 18px; }
@media (min-width: 860px) {
  .k-story { padding: 88px 0; }
  .k-story__inner { grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding-top: 0; padding-bottom: 0; }
  .k-story__body { padding: 0; }
}

/* circular arrow link (kurashi風) */
.k-arrow-link { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: 0.04em; margin-top: 6px; }
.k-arrow-link__circle {
  width: 34px; height: 34px; border-radius: 50%; background: var(--k-ink); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 14px;
  transition: transform .2s ease;
}
.k-arrow-link:hover .k-arrow-link__circle { transform: translateX(3px); }

/* link rows */
.k-link-rows { border-top: 1px solid var(--k-line); max-width: 640px; margin: 0 auto; }
.k-link-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 4px; border-bottom: 1px solid var(--k-line);
  font-family: var(--font-serif); font-size: 15px;
}
/* flexコンテナ内のspanはリンクの下線が継承されないため個別に指定 */
.k-link-row:hover > span:first-child { text-decoration: underline; text-underline-offset: 3px; }
.k-link-row__arrow { font-size: 14px; color: var(--k-ink-soft); transition: transform .2s ease; }
.k-link-row:hover .k-link-row__arrow { transform: translateX(4px); }

/* cta */
.k-cta { border: 1px solid var(--k-line); padding: 56px 32px; text-align: center; }
.k-cta h2 { font-size: clamp(24px, 3.7vw, 31px); }
.k-cta p { font-size: 18px; }
.k-cta__tel { font-family: var(--font-serif); font-size: 26px; letter-spacing: 0.03em; margin-top: 8px; }
.k-cta__tel span { display: block; font-family: var(--font-sans); font-size: 12px; letter-spacing: 0.1em; color: var(--k-ink-soft); font-weight: 300; margin-top: 6px; }

/* footer */
.k-footer { border-top: 1px solid var(--k-line); background: var(--k-bg); padding: 60px 0 28px; }
.k-footer__inner { max-width: var(--k-container); margin: 0 auto; padding: 0 24px; }
.k-footer__top { display: flex; flex-direction: column; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid var(--k-line); }
.k-footer__cols { display: grid; gap: 28px; grid-template-columns: 1fr; }
.k-footer__col h4 { font-size: 13px; letter-spacing: 0.12em; color: var(--k-ink-soft); font-weight: 500; margin-bottom: 14px; }
.k-footer__col ul { list-style: none; margin: 0; padding: 0; }
.k-footer__col li { margin-bottom: 10px; font-size: 14.5px; }
.k-footer__col a:hover { opacity: 0.6; }
.k-footer__bottom {
  display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between;
  padding-top: 20px; font-size: 12.5px; color: var(--k-ink-soft);
}
@media (min-width: 640px) {
  .k-footer__top { flex-direction: column; gap: 30px; }
  .k-footer__cols { grid-template-columns: repeat(2, minmax(160px, 220px)); gap: 32px 40px; }
}
@media (min-width: 900px) {
  .k-footer__top { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .k-footer__cols { grid-template-columns: repeat(4, minmax(140px, 200px)); gap: 32px 36px; }
}

/* text block (paragraph spacing for restored original copy) */
.k-text-block { max-width: 100%; }
.k-text-block p { font-size: 18px; margin-bottom: 1.4em; }
.k-text-block p:last-child { margin-bottom: 0; }

/* about section: description + link thumbnails */
.k-about { margin-bottom: 32px; }
.k-about__body p { font-size: 18px; margin-bottom: 1.2em; }
.k-about__body p:last-child { margin-bottom: 0; }
.k-video-card {
  position: relative; display: block; overflow: hidden;
  background: var(--k-bg-soft); aspect-ratio: 11/10;
}
.k-video-card img { width: 100%; height: 100%; object-fit: cover; }
.k-video-card__play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,0.9);
  display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--k-ink);
}
.k-video-card__caption { font-size: 14px; color: var(--k-ink-soft); }
.k-about-links { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 56px; }
.k-about-links__item { display: flex; flex-direction: column; gap: 8px; flex: 1 1 140px; max-width: 220px; }
.k-zirei-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin: 32px 0 0;
}
.k-zirei-item { margin: 0; }
.k-zirei-item:first-child { grid-column: 1 / -1; }
.k-zirei-item__frame { display: block; width: 100%; aspect-ratio: 1 / 1; overflow: hidden; }
.k-zirei-item:first-child .k-zirei-item__frame { aspect-ratio: 800 / 551; }
.k-zirei-item__frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.k-zirei-item figcaption {
  font-size: 14px; color: var(--k-ink-soft); text-align: center; margin-top: 8px;
}
@media (min-width: 760px) {
  .k-zirei-grid { display: flex; grid-template-columns: unset; gap: 24px; align-items: flex-start; }
  .k-zirei-item { grid-column: auto; flex: 1 1 0%; min-width: 0; }
  .k-zirei-item:first-child { flex: 1.452 1 0%; }
  .k-zirei-item__frame { aspect-ratio: 1 / 1; }
  .k-zirei-item:first-child .k-zirei-item__frame { aspect-ratio: 800 / 551; }
}

/* certified spec lists */
.k-spec-grid { display: grid; gap: 28px; margin: 28px 0; grid-template-columns: 1fr; }
@media (min-width: 700px) {
  .k-spec-grid { grid-template-columns: repeat(2, 1fr); }
}
.k-spec-col h4 {
  font-family: var(--font-sans); font-weight: 500; font-size: 15px;
  letter-spacing: 0.04em; color: var(--k-ink); margin-bottom: 14px;
  padding-bottom: 10px; border-bottom: 1px solid var(--k-line);
}
.k-spec-list { list-style: none; margin: 0; padding: 0; }
.k-spec-list li {
  font-size: 18px; color: var(--k-ink-soft); padding: 8px 0;
  border-bottom: 1px solid var(--k-line);
}
.k-spec-list li:last-child { border-bottom: none; }
.k-spec-list--inline { display: flex; flex-wrap: wrap; gap: 0 24px; }
.k-spec-list--inline li { border-bottom: none; padding: 4px 0; }
.k-spec-list--inline li::before { content: "・"; }

/* numbered row optional diagram image */
.k-num-row__media { margin-top: 18px; max-width: 720px; }
.k-num-row__media img { width: 100%; display: block; background: var(--k-bg-soft); }

/* left-aligned link rows variant */
.k-link-rows--left { margin: 0; max-width: none; }

/* download section: grouped by category (カタログ／資料／図面) */
.k-download-groups { display: flex; flex-direction: column; gap: 40px; max-width: 640px; margin: 0 auto; }
.k-download-group__title {
  font-family: var(--font-sans); font-weight: 500; font-size: 15px;
  letter-spacing: 0.04em; color: var(--k-ink); margin-bottom: 0;
  padding-bottom: 10px; border-bottom: 2px solid var(--k-ink);
}
.k-download-group .k-link-rows { max-width: none; margin: 0; border-top: none; }

/* ==========================================================================
   サイト全体展開用の追加コンポーネント
   (竹材各ページ／施工例／会社概要／お問い合わせ／WATUSサブページ)
   ========================================================================== */

/* page header: 各下層ページの見出しブロック(パンくず風の一言+タイトル) */
.k-page-head { padding: 44px 0 8px; }
.k-page-head__inner { max-width: var(--k-container); margin: 0 auto; padding: 0 24px; }
.k-page-head h1 { font-size: clamp(26px, 4.6vw, 38px); margin-bottom: 0.4em; }
.k-page-head p { font-size: 17px; max-width: 62ch; }

/* subheading used inside a plain k-section (下層ページの小見出し) */
.k-subhead { font-size: clamp(20px, 3vw, 25px); margin: 52px 0 20px; }
.k-subhead:first-child { margin-top: 0; }

/* single centered figure (規格写真など) */
.k-figure { margin: 28px auto; max-width: 460px; }
.k-figure img { width: 100%; display: block; background: var(--k-bg-soft); }
.k-figure--full { max-width: 100%; }
.k-figure figcaption { margin-top: 10px; font-size: 14px; color: var(--k-ink-soft); text-align: center; }

/* generic 2-col definition list (会社概要／お問い合わせ) */
.k-def-list { border-top: 1px solid var(--k-line); max-width: 760px; margin: 28px auto; }
.k-def-row { display: grid; grid-template-columns: 1fr; gap: 6px; padding: 20px 4px; border-bottom: 1px solid var(--k-line); }
.k-def-row__label { font-family: var(--font-sans); font-weight: 500; font-size: 13px; letter-spacing: 0.06em; color: var(--k-ink-soft); }
.k-def-row__value { font-size: 16px; color: var(--k-ink); line-height: 1.8; }
.k-def-row__value a { text-decoration: underline; text-underline-offset: 3px; }
.k-def-row__value a:hover { opacity: 0.65; }
@media (min-width: 640px) {
  .k-def-row { grid-template-columns: 200px 1fr; align-items: baseline; gap: 24px; }
}

/* scrollable data table (規格表／価格表／納入実績) */
.k-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 28px 0; }
.k-table-wrap__title {
  font-family: var(--font-sans); font-weight: 500; font-size: 15px;
  letter-spacing: 0.04em; color: var(--k-ink); margin-bottom: 12px;
  padding-bottom: 10px; border-bottom: 2px solid var(--k-ink);
}
.k-table { width: 100%; border-collapse: collapse; min-width: 520px; font-size: 15px; }
.k-table th, .k-table td { padding: 12px 14px; border-bottom: 1px solid var(--k-line); text-align: left; white-space: nowrap; }
.k-table th { font-weight: 500; color: var(--k-ink); font-size: 13px; letter-spacing: 0.03em; background: var(--k-bg-soft); }
.k-table td { color: var(--k-ink-soft); }
.k-table--history { min-width: 640px; }
.k-table--history th, .k-table--history td { font-size: 13.5px; padding: 10px 12px; }
.k-table--history td:nth-child(3), .k-table--history td:nth-child(4) { white-space: normal; }
.k-table-note { font-size: 13px; color: var(--k-ink-soft); margin-top: 10px; }

/* photo list: 施工例／マンガ／手順 用の縦積み写真+見出し */
.k-photo-list { display: grid; grid-template-columns: 1fr; gap: 36px; margin: 32px 0; }
.k-photo-list--2col { }
@media (min-width: 700px) {
  .k-photo-list--2col { grid-template-columns: repeat(2, 1fr); }
}
.k-photo-list__item { margin: 0; }
.k-photo-list__cap { font-family: var(--font-serif); font-size: 15.5px; margin-bottom: 10px; color: var(--k-ink); }
.k-photo-list__frame { display: block; overflow: hidden; background: var(--k-bg-soft); }
.k-photo-list__frame img { width: 100%; display: block; }

/* sequential full-width image steps (汲み取り手順) */
.k-step-images { display: flex; flex-direction: column; gap: 24px; margin: 32px 0; }
.k-step-images img { width: 100%; display: block; background: var(--k-bg-soft); }

/* named fence / product gallery (竹垣・その他の竹) */
.k-fence-list { display: flex; flex-direction: column; gap: 48px; margin: 32px 0; }
.k-fence-item { display: grid; gap: 18px; }
.k-fence-item__img { aspect-ratio: 4/3; overflow: hidden; background: var(--k-bg-soft); }
.k-fence-item__img img { width: 100%; height: 100%; object-fit: cover; }
.k-fence-item__title { font-family: var(--font-serif); font-size: 19px; margin-bottom: 0.3em; }
.k-fence-item__title-en { font-size: 11.5px; letter-spacing: 0.12em; color: var(--k-ink-soft); margin-left: 10px; }
.k-fence-item__desc { font-size: 16px; color: var(--k-ink-soft); margin: 0; }

/* 設置事例の名前を写真内の文字と同程度の大きさにする修飾子(ウォータスラインナップ専用) */
.k-case-list .k-photo-list__cap { font-size: clamp(22px, 3.4vw, 30px); font-weight: 700; margin-bottom: 14px; }
.k-case-list .k-fence-item__title { font-size: clamp(22px, 3.4vw, 30px); font-weight: 700; margin-bottom: 0.4em; }
.k-case-list .k-fence-item__desc { font-size: 18px; }
@media (min-width: 700px) {
  .k-fence-item { grid-template-columns: minmax(220px, 300px) 1fr; align-items: center; }
  /* 設置事例(温泉旅館・海岸沿い)の写真を原寸(367px)で表示し、その分テキスト欄を広げる(ウォータスラインナップ専用) */
  .k-case-list .k-fence-item { grid-template-columns: 367px 1fr; }
}
.k-case-list .k-fence-item__img { aspect-ratio: auto; overflow: visible; background: none; }
.k-case-list .k-fence-item__img img { width: 100%; height: auto; object-fit: initial; }

/* FAQ accordion-less Q&A list */
.k-faq { border-top: 1px solid var(--k-line); margin: 28px 0; }
.k-faq__item { padding: 28px 4px; border-bottom: 1px solid var(--k-line); }
.k-faq__q { display: flex; gap: 14px; font-family: var(--font-serif); font-size: 17px; font-weight: 600; margin-bottom: 12px; }
.k-faq__q-mark { flex-shrink: 0; color: var(--k-ink-soft); }
.k-faq__a { display: flex; gap: 14px; }
.k-faq__a-mark { flex-shrink: 0; font-family: var(--font-serif); color: var(--vermillion); font-weight: 600; }
.k-faq__a-body p { font-size: 16px; margin: 0 0 0.8em; }
.k-faq__a-body p:last-child { margin-bottom: 0; }
.k-faq__a-body a { color: var(--watus-deep); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.k-faq__a-body a:hover { opacity: 0.65; }

/* promo row: 左に小さめ画像(約1/4幅)、右に大きな見出しリンク(ホームページの事業導線) */
.k-promo-row { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; }
.k-promo-row__media { aspect-ratio: 1; overflow: hidden; background: var(--k-bg-soft); }
.k-promo-row__media img { width: 100%; height: 100%; object-fit: cover; }
.k-promo-row__body { display: flex; flex-direction: column; gap: 20px; }
.k-promo-row__title {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(19px, 3vw, 27px); line-height: 1.5; color: var(--k-ink);
}
.k-promo-row__title::after { content: "\2192"; font-size: 0.65em; color: var(--k-ink-soft); flex-shrink: 0; transition: transform .2s ease; }
.k-promo-row__title:hover { opacity: 0.7; }
.k-promo-row__title:hover::after { transform: translateX(4px); }
@media (min-width: 760px) {
  .k-promo-row { grid-template-columns: 25% 1fr; gap: 48px; }
}

/* callout box (最初にご確認くださいなどの注意喚起ボックス) */
.k-callout { border: 1px solid var(--k-ink); padding: 28px 26px; margin: 28px 0; }
.k-callout__label { display: block; font-family: var(--font-sans); font-weight: 500; font-size: 13px; letter-spacing: 0.08em; color: var(--vermillion); margin-bottom: 12px; }
.k-callout p { font-size: 16px; color: var(--k-ink-soft); margin: 0; }

/* map embed frame */
.k-map { border: 1px solid var(--k-line); overflow: hidden; margin: 28px 0; }
.k-map iframe { display: block; width: 100%; height: 380px; border: 0; }

/* feature block: 商品写真(単体 or 複数並び) + 説明文(ムスイダー等、原本PDFの写真サイズ差を再現) */
.k-feature { display: grid; grid-template-columns: 1fr; gap: 22px; margin: 0 0 48px; }
.k-feature:last-child { margin-bottom: 0; }
.k-feature__media { display: flex; gap: 14px; }
.k-feature__media-item { flex: 1 1 0; min-width: 0; margin: 0; }
.k-feature__media-item img { width: 100%; display: block; background: var(--k-bg-soft); }
.k-feature__cap { font-family: var(--font-serif); font-size: 14.5px; margin-top: 8px; color: var(--k-ink); text-align: center; }
.k-feature__body h3 { font-size: 19px; margin-bottom: 0.5em; }
.k-feature__body p { font-size: 18px; margin: 0 0 1.2em; }
.k-feature__body p:last-child { margin-bottom: 0; }
/* 快適トイレ認定マークなどの小さな証票画像 */
.k-badge { width: 130px; margin-top: 4px; background: none; }

/* シンプルな区切り線(ウォータス本体などの帯罫線と同じトーン) */
.k-divider { border: none; border-top: 1px solid var(--k-line); margin: 48px 0; }

/* product spec block: 写真(左・通し高さ) + 認定マーク/説明文/仕様表(右) */
.k-product-spec { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; margin: 0 0 56px; }
.k-product-spec:last-child { margin-bottom: 0; }
.k-product-spec__photo img { width: 100%; display: block; }
/* 一部の商品写真だけ小さめに表示したい場合の修飾子 */
.k-product-spec--sm-photo .k-product-spec__photo img { width: 50%; margin: 0 auto; }
.k-product-spec__info { min-width: 0; }
.k-product-spec__info h3 { font-size: 19px; margin: 0 0 0.5em; }
.k-product-spec__cert { font-size: 18px; color: var(--k-ink-soft); line-height: 1.8; margin: 0 0 20px; }
.k-product-spec__desc { font-size: 18px; color: var(--k-ink-soft); margin: 0 0 24px; }
.k-product-spec .k-table-wrap { margin: 0; }
@media (min-width: 760px) {
  .k-product-spec { grid-template-columns: minmax(280px, 460px) minmax(0, 1fr); gap: 40px; align-items: start; }
}
@media (min-width: 700px) {
  .k-feature { grid-template-columns: minmax(260px, 340px) 1fr; gap: 32px; align-items: center; }
}
.k-feature--single .k-feature__media,
.k-feature--sm .k-feature__media { justify-content: center; }
.k-feature--single .k-feature__media-item { flex: 0 1 260px; }
.k-feature--sm .k-feature__media-item { flex: 0 1 192px; }

/* same-height photo strip: 外観・内部写真を原本と同じ縦幅そろえで横並び(木製/PE製) */
.k-photo-strip { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; margin: 24px 0; }
.k-photo-strip__figure { margin: 0; display: flex; flex-direction: column; }
.k-photo-strip img { height: 260px; width: auto; max-width: 100%; display: block; background: var(--k-bg-soft); }
.k-photo-strip figcaption { font-family: var(--font-serif); font-size: 14px; margin-top: 8px; color: var(--k-ink-soft); text-align: center; }
.k-photo-strip--sm img { height: 150px; }
@media (max-width: 640px) {
  .k-photo-strip img { height: 180px; }
  .k-photo-strip--sm img { height: 110px; }
}

/* comparison row: 小さめ写真ストリップ + 仕様テキストを横並び(木製ウォータスと並べた場合、など) */
.k-compare-row { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; margin: 32px 0 0; }
.k-compare-row__media { flex: 1 1 300px; }
.k-compare-row__spec { flex: 1 1 240px; }
.k-compare-row .k-def-list { margin: 0; max-width: none; border-top: none; }
.k-compare-row .k-def-row { border-bottom: none; padding: 0; grid-template-columns: 1fr; gap: 6px; }

/* simple category card grid (取扱竹材一覧など、ホーム/竹材トップで使用) */
.k-cat-grid { display: grid; gap: 18px; grid-template-columns: 1fr; margin: 8px 0; }
@media (min-width: 620px) { .k-cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .k-cat-grid { grid-template-columns: repeat(3, 1fr); } }
.k-cat-card {
  display: flex; gap: 16px; align-items: center;
  background: var(--k-bg-soft); padding: 16px; border: 1px solid var(--k-line);
}
.k-cat-card__img { width: 92px; height: 92px; overflow: hidden; flex-shrink: 0; }
.k-cat-card__img img { width: 100%; height: 100%; object-fit: cover; }
.k-cat-card h3 { font-size: 16.5px; margin-bottom: 0.3em; }
.k-cat-card p { font-size: 13.5px; margin-bottom: 0.5em; }

/* shop banners (rakuten / yahoo) */
.k-shop-banners { display: flex; flex-direction: column; align-items: center; gap: 18px; margin: 36px 0; }
.k-shop-banners img { max-width: 420px; width: 100%; }

/* pillar / business cards (home page) reused in k- style */
.k-pillars { display: grid; gap: 20px; grid-template-columns: 1fr; margin: 8px 0; }
@media (min-width: 760px) { .k-pillars { grid-template-columns: repeat(3, 1fr); } }
.k-pillar-card { background: var(--k-bg-soft); border: 1px solid var(--k-line); display: flex; flex-direction: column; }
.k-pillar-card__img { aspect-ratio: 4/3; overflow: hidden; }
.k-pillar-card__img img { width: 100%; height: 100%; object-fit: cover; }
.k-pillar-card__body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.k-pillar-card__body h3 { font-size: 19px; margin-bottom: 0.4em; }
.k-pillar-card__body p { font-size: 15px; flex: 1; }

/* square photo grid (home page gallery) */
.k-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 8px 0; }
@media (min-width: 700px) { .k-gallery { grid-template-columns: repeat(4, 1fr); } }
.k-gallery__item { aspect-ratio: 1; overflow: hidden; background: var(--k-bg-soft); }
.k-gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.k-gallery__item:hover img { transform: scale(1.05); }

/* news / topics list (home page) */
.k-news-list { border-top: 1px solid var(--k-line); max-width: 820px; margin: 28px auto 0; }
.k-news-item { display: grid; grid-template-columns: 1fr; gap: 4px; padding: 18px 4px; border-bottom: 1px solid var(--k-line); }
.k-news-item__date { font-family: var(--font-serif); font-size: 13px; color: var(--k-ink-soft); letter-spacing: 0.04em; }
.k-news-item__title { font-size: 16px; color: var(--k-ink); }
@media (min-width: 640px) {
  .k-news-item { grid-template-columns: 130px 1fr; align-items: baseline; gap: 20px; }
}

/* 木製ムスイダー: 外観3枚(中央寄せ) + 並置写真2枚 + 外寸表 */
.k-wood { display: grid; grid-template-columns: minmax(0, 289fr) minmax(0, 192fr) minmax(0, 302fr); gap: 20px 24px; max-width: 831px; margin: 24px auto 0; align-items: start; }
.k-wood__fig { margin: 0; }
.k-wood__fig img, .k-wood__pair-imgs img { width: 100%; height: auto; display: block; background: var(--k-bg-soft); }
.k-wood__fig figcaption { font-family: var(--font-serif); font-size: 14px; margin: 8px -24px 0; color: var(--k-ink-soft); text-align: center; white-space: nowrap; }
.k-wood__row2 { grid-column: 1 / -1; }
.k-wood__pair-imgs { display: grid; grid-template-columns: 269fr 228fr; gap: 14px; }
.k-wood__spec .k-table-wrap { margin: 0; }
.k-wood__spec .k-table { min-width: 0; }
.k-wood__spec .k-table th { text-align: center; padding: 12px 14px; }
@media (min-width: 900px) {
  /* 画像サイズは変えず、ムスイダーの特徴セクションの罫線幅いっぱいに画像間を空ける */
  .k-wood { max-width: none; grid-template-columns: 289px 192px 302px; justify-content: space-between; column-gap: 0; row-gap: 64px; }
  .k-wood__row2 { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
  .k-wood__pair { flex: 0 1 700px; min-width: 0; }
  .k-wood__spec { flex: 0 0 270px; }
}
@media (max-width: 699px) {
  .k-wood { gap: 14px; }
  .k-wood__row2 { display: block; }
  .k-wood__spec { margin-top: 14px; }
}

/* PE製ムスイダー: ヒーロー画像 + 並置写真 + 外寸表(木製セクションと同じ幅・配色) */
.k-pe { display: grid; grid-template-columns: minmax(0, 365fr) minmax(0, 287fr) minmax(0, 270fr); gap: 20px 24px; max-width: 831px; margin: 24px auto 0; align-items: start; }
.k-pe__fig { margin: 0; }
.k-pe__fig img { width: 100%; height: auto; display: block; }
.k-pe__fig figcaption { font-family: var(--font-serif); font-size: 14px; margin-top: 8px; color: var(--k-ink-soft); text-align: center; line-height: 1.6; }
.k-pe__spec .k-table-wrap { margin: 0; }
.k-pe__spec .k-table { min-width: 0; }
.k-pe__spec .k-table th { text-align: center; padding: 12px 14px; }
@media (min-width: 900px) {
  .k-pe { max-width: none; grid-template-columns: 365px 287px 270px; justify-content: space-between; column-gap: 0; }
}
@media (max-width: 699px) {
  .k-pe { grid-template-columns: minmax(0, 365fr) minmax(0, 287fr); gap: 14px; }
  .k-pe__spec { grid-column: 1 / -1; }
}
.k-feature--pair .k-feature__media-item img { background: none; }

/* トップページ: WATUSセクション(画像左・文字右 + 3つのリンク) */
.k-hero--home { border-top: 1px solid var(--k-line); border-bottom: 1px solid var(--k-line); padding: 40px 0; }
.k-hero--home h2.k-hero__title { font-size: clamp(24px, 3.4vw, 32px); margin-bottom: 0; }
.k-hero--home .k-hero__brand { margin-top: 40px; }
.k-hero--home .k-hero__media::after { pointer-events: none; }
.k-hero--home .k-hero__media-link { display: block; position: absolute; inset: 0; z-index: 1; }
.k-hero--home .k-hero__media-link img { position: absolute; }
body.watus-kurashi .k-hero__plainlink,
body.watus-kurashi .k-hero__plainlink:hover { text-decoration: none; }
.k-hero__brand-link { display: block; }
.k-hero__links { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin-top: 28px; }
.k-hero__links a { white-space: nowrap; }
@media (min-width: 900px) {
  .k-hero--home { padding: 56px 0; }
  .k-hero--home .k-hero__inner { min-height: 600px; grid-template-columns: 1fr minmax(300px, 460px); }
  .k-hero--home .k-hero__media { min-height: 600px; }
  .k-hero--home .k-hero__media::after { display: none; }
}
.k-hero--plain { border-top: 0; border-bottom: 0; }
.k-hero__links--take { margin-top: 0; }
.k-hero--home .k-btn-row { margin-top: 28px; flex-direction: column; align-items: flex-start; }

/* トップページ: 大橋今右衛門について(中央配置・指定位置のみ改行) */
.k-section--about { padding-bottom: 8px; }
.k-about-us { max-width: none; text-align: left; }
.k-about-us h1 { font-size: clamp(24px, 4vw, 32px); }
.k-br-pc { display: none; }
@media (min-width: 1100px) {
  .k-about-us { width: fit-content; margin-left: auto; margin-right: auto; }
  .k-about-us p { white-space: nowrap; }
  .k-br-pc { display: inline; }
}
.k-section--about + .k-hero--home { padding-top: 0; }
.k-hero--home .k-btn-row { gap: 18px; }
.k-hero--home .k-btn { font-size: 19px; padding: 20px 36px; line-height: 1.4; }
@media (max-width: 480px) {
  .k-hero--home .k-btn { font-size: 16px; padding: 18px 22px; letter-spacing: 0.04em; }
}

/* 竹材についてページ: 天然竹シリーズ */
.k-bamboo-row { display: grid; grid-template-columns: 1fr; gap: 40px 32px; margin: 0 auto; max-width: 340px; }
.k-bamboo-row img { width: 100%; height: auto; display: block; aspect-ratio: 1; object-fit: cover; background: var(--k-bg-soft); }
.k-bamboo-item { margin: 0; }
.k-bamboo-item figcaption, .k-bamboo-bundle__name {
  font-family: var(--font-serif); font-weight: 600; font-size: 19px; line-height: 1.5;
  text-align: center; color: var(--k-ink); margin: 14px 0 0;
}
.k-bamboo-bundle__name { margin-top: 18px; font-size: 20px; }
@media (min-width: 700px) {
  .k-bamboo-row--2 { grid-template-columns: repeat(2, 330px); max-width: none; justify-content: center; }
  .k-bamboo-row--3 { grid-template-columns: repeat(3, 330px); max-width: none; justify-content: center; }
}
@media (max-width: 1119px) and (min-width: 700px) {
  .k-bamboo-row--3 { grid-template-columns: repeat(3, 1fr); }
}

/* 竹材についてページ: 購入ボタン・施工例 */
.k-btn-row--lg { justify-content: center; gap: 18px; margin-top: 48px; }
.k-btn-row--lg .k-btn { font-size: 19px; padding: 20px 36px; line-height: 1.4; }
@media (max-width: 480px) {
  .k-btn-row--lg .k-btn { font-size: 16px; padding: 18px 22px; letter-spacing: 0.04em; }
}
.k-sekou-title { font-size: 20px; margin: 40px 0 0; padding-bottom: 10px; border-bottom: 1px solid var(--k-line); }
.k-sekou-title:first-of-type { margin-top: 8px; }

/* 竹材: サイズ表記(文字のみ・列ごと) */
.k-bamboo-sizes { display: flex; justify-content: center; gap: 0 32px; margin: -3px 0 0; font-size: 15px; font-weight: 300; line-height: 1.35; color: var(--k-ink); text-align: center; }
.k-bamboo-sizes__col { display: flex; flex-direction: column; }
.k-bamboo-bundle .k-bamboo-sizes { margin-top: -1px; }
.k-bamboo-row--flow { align-items: start; }

.k-photo-list--capbottom .k-photo-list__cap { margin: 0; padding-top: 2px; line-height: 1.4; }
.k-bamboo-item figcaption { margin-bottom: 0; }
/* 天然竹シリーズ(商品): 画像との間を詰め、商品名・サイズは左詰 */
.k-bamboo-item figcaption { text-align: left; margin-top: 6px; }
.k-bamboo-item .k-bamboo-sizes { justify-content: flex-start; text-align: left; }
/* 枝折戸など: 商品名・サイズを画像列の左端に揃える */
.k-bamboo-bundle--left .k-bamboo-bundle__name,
.k-bamboo-bundle--left .k-bamboo-spec2,
.k-bamboo-bundle--left .k-bamboo-spec2__note,
.k-bamboo-bundle--left .k-bamboo-sizes { max-width: 340px; margin-left: auto; margin-right: auto; text-align: left; justify-content: flex-start; }
@media (min-width: 700px) {
  .k-bamboo-bundle--left .k-bamboo-bundle__name,
  .k-bamboo-bundle--left .k-bamboo-spec2,
  .k-bamboo-bundle--left .k-bamboo-spec2__note,
  .k-bamboo-bundle--left .k-bamboo-sizes { max-width: 1054px; }
}
.k-bamboo-bundle__name { text-wrap: balance; }
/* 長い商品名を1行に収める(PC幅のみ。狭い画面では折り返し) */
@media (min-width: 1000px) {
  .k-bamboo-bundle--oneline .k-bamboo-bundle__name { white-space: nowrap; font-size: min(18px, calc((100vw - 64px) / 58)); text-wrap: nowrap; }
}

/* トップページ: 会社概要(他のセクションと同じ画像サイズ・配置) */
.k-hero--company { border-bottom: 0; }
.k-hero--company .k-hero__media img { object-fit: cover; object-position: 55% center; }
/* 下部に白い余白のある商品画像(女竹)は余白分を切り取って商品名を近づける */
.k-bamboo-row--crop img { aspect-ratio: 700 / 625; object-position: center top; }

/* 竹材: 商品名は全て同じ色・太さ(body.watus-kurashi p の薄い色を上書き) */
body.watus-kurashi .k-bamboo-bundle__name { color: var(--k-ink); font-weight: 600; }
/* 白竹・黒竹のスペック(長さ/直径 と 直径の目安) */
.k-bamboo-spec2 { display: grid; grid-template-columns: 1fr; gap: 14px 64px; margin-top: -1px; font-size: 15px; font-weight: 300; line-height: 1.35; color: var(--k-ink); text-align: left; }
.k-bamboo-spec2__lengths { display: flex; flex-direction: column; }
.k-bamboo-spec2__guide .k-bamboo-sizes { margin: 0; justify-content: flex-start; }
.k-bamboo-spec2__head { margin: 0; }
body.watus-kurashi .k-bamboo-spec2__note { margin: 6px auto 0; font-size: 15px; font-weight: 300; line-height: 1.35; color: var(--k-ink); text-align: left; }
@media (min-width: 700px) {
  .k-bamboo-spec2 { grid-template-columns: auto auto; justify-content: start; align-items: start; }
}

.k-bamboo-bundle--left .k-bamboo-bundle__name { margin-bottom: 0; }
.k-bamboo-bundle--left .k-bamboo-spec2 { margin-top: 2px; }

/* 竹材: オンラインショップ案内(見出し=垣根工事見出しと同サイズ / 店頭販売=施工例見出しと同サイズ) */
.k-shop { text-align: center; }
.k-shop__lead { font-size: clamp(14px, 4.3vw, 33px); margin: 0 0 8px; text-wrap: balance; }
.k-shop__store { font-size: 20px; margin: 28px 0 0; text-wrap: balance; }
.k-shop .k-btn-row--lg { margin-top: 28px; }
.k-shop__store a { white-space: nowrap; text-decoration: underline; text-underline-offset: 4px; }
body.watus-kurashi .k-shop__store a { text-decoration: underline; }
.k-shop { border: 1px solid var(--k-line); padding: 56px 32px; background: #fff; }
@media (max-width: 480px) { .k-shop { padding: 40px 18px; } }
.k-section--shop-top { padding-bottom: 0; }
/* 色付きセクションが連続する場合は境界線を1本に */
.k-section--bordered + .k-section--bordered { border-top: 0; }