/* =====================================================
   +FINO REFORM - グローバルスタイル
   ===================================================== */

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

:root {
  --navy: #1a2438;
  --navy-light: #243352;
  --gold: #c8a96e;
  --gold-light: #e0c898;
  --gold-dark: #a08040;
  --white: #ffffff;
  --off-white: #f7f5f2;
  --light-gray: #ece8e1;
  --text: #2c2c2c;
  --text-muted: #777777;
  --border: #ddd9d0;
  --shadow-sm: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-md: 0 10px 40px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  --radius: 10px;
  --radius-lg: 18px;
  --transition: 0.3s ease;
  --max-w: 1320px;
  --header-h: 70px;
  --font: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }

/* =====================================================
   コンテナ・セクション
   ===================================================== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 112px 0; }
.section--tight { padding: 72px 0; }
.section--dark { background: var(--navy); color: var(--white); }
.section--light { background: var(--off-white); }
.section--gold { background: var(--gold); color: var(--white); }

.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 14px;
}

.section--dark .section-label { color: var(--gold-light); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 2;
  max-width: 640px;
}

.section--dark .section-desc { color: rgba(255,255,255,0.7); }

.section-header { margin-bottom: 56px; }
.section-header--center { text-align: center; }
.section-header--center .section-desc { margin: 0 auto; }

/* =====================================================
   ヘッダー
   ===================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow-md); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  padding: 0 clamp(20px, 4vw, 56px);
}

.header__logo img { height: 38px; width: auto; }

.header__right { display: flex; align-items: center; gap: 56px; }

.nav { display: flex; align-items: center; }
.nav__list { display: flex; align-items: center; }
.nav__item { position: relative; }

.nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 18px;
  height: var(--header-h);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link.active { color: var(--gold-dark); }

.nav__chevron {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  display: inline-block;
  transition: transform var(--transition);
}

.nav__item:hover .nav__chevron { transform: rotate(-135deg) translateY(-2px); }

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 220px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}

.nav__dropdown-link {
  display: block;
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid var(--light-gray);
  transition: background var(--transition), color var(--transition);
}

.nav__dropdown-link:last-child { border-bottom: none; }
.nav__dropdown-link:hover { background: var(--off-white); color: var(--gold-dark); }

.header__cta {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header__tel { text-align: right; line-height: 1.3; }

.header__tel-label {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 3px;
}

.header__tel-number {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.05em;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  background: var(--gold);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-contact:hover { background: var(--gold-dark); transform: translateY(-1px); }

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}

.hamburger__line {
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: all var(--transition);
  display: block;
}

.hamburger.open .hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger.open .hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルメニュー */
.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0; bottom: 0;
  background: var(--white);
  overflow-y: auto;
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition);
}

.mobile-menu.open { transform: translateX(0); }

.mobile-menu__inner { padding: 24px; }

.mobile-menu__item { border-bottom: 1px solid var(--border); }

.mobile-menu__link {
  display: block;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.mobile-menu__sub { padding: 4px 16px 16px; }

.mobile-menu__sub-link {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--light-gray);
}

.mobile-menu__sub-link:last-child { border-bottom: none; }

.mobile-menu__cta {
  margin-top: 32px;
  text-align: center;
}

.mobile-menu__tel {
  margin-bottom: 20px;
}

.mobile-menu__tel-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.mobile-menu__tel-number {
  font-size: 26px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.05em;
  display: block;
}

/* =====================================================
   ページヘッダー（サブページ共通）
   ===================================================== */
.page-header {
  margin-top: var(--header-h);
  height: 260px;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.page-header--compact { height: 170px; }

/* =====================================================
   低めのバナー画像（文字なし）
   ===================================================== */
.plain-banner {
  margin-top: var(--header-h);
  overflow: hidden;
}

.plain-banner__img {
  display: block;
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: center bottom;
}

.page-header__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}

.page-header__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,36,56,0.92) 0%, rgba(26,36,56,0.7) 100%);
}

.page-header__inner {
  position: relative;
  text-align: center;
  color: var(--white);
}

.page-header__label {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 16px;
}

.page-header__title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4.5vw, 40px);
  font-weight: 600;
  line-height: 1.35;
}

/* =====================================================
   コラム記事ページ（背景1色＋本文とサイドバーの2カラム構成）
   ===================================================== */
.column-page {
  background: var(--off-white);
  padding: 56px 0 72px;
}

.column-article-head {
  max-width: 1040px;
  margin: 0 auto 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.column-article-head__kicker {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 16px;
}

.column-article-head__title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  word-break: keep-all;
  overflow-wrap: break-word;
  font-weight: 600;
  line-height: 1.6;
  color: var(--navy);
}

.column-article-wrap {
  display: flex;
  gap: 64px;
  align-items: flex-start;
  max-width: 1040px;
  margin: 0 auto;
}

.column-article-main {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 680px;
}

.column-article-main > * + * { margin-top: 40px; }

.column-article-aside {
  flex: 0 0 260px;
}

.column-aside-box {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 28px 24px;
  margin-bottom: 24px;
}

.column-aside-box__ttl {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}

.column-aside-box__tel {
  display: block;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.column-aside-box__hours {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.column-aside-box .btn-navy {
  padding: 14px 8px;
  font-size: 13px;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .column-article-wrap { flex-direction: column; }
  .column-article-main { max-width: none; width: 100%; }
  .column-article-aside { flex: 1 1 auto; width: 100%; }
}

/* =====================================================
   コラム記事 本文パーツ
   ===================================================== */
.column-heading {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  border-bottom: 2px solid var(--text);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.column-eyecatch {
  box-shadow: var(--shadow-sm);
  background: var(--off-white);
  overflow: hidden;
  margin-bottom: 40px;
}

.column-eyecatch img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

/* パンくず */
.breadcrumb {
  padding: 20px 0;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.breadcrumb__item { display: flex; align-items: center; }
.breadcrumb__item:not(:last-child)::after { content: '/'; margin: 0 8px; opacity: 0.4; }
.breadcrumb__link { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb__link:hover { color: var(--gold-dark); }
.breadcrumb__item.current { color: var(--text-muted); }

/* =====================================================
   ヒーロー（トップページ）
   ===================================================== */
.hero {
  margin-top: var(--header-h);
  position: relative;
  height: calc(100vh - var(--header-h));
  min-height: 520px;
  max-height: 820px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero--compact {
  height: 440px;
  min-height: 440px;
  max-height: 440px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.55);
  border-radius: 14px;
}

.hero__scroll::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: var(--gold-light);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: heroScrollDot 1.6s ease infinite;
}

@keyframes heroScrollDot {
  0% { opacity: 1; top: 8px; }
  70% { opacity: 0; top: 20px; }
  100% { opacity: 0; top: 8px; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(26,36,56,0.85) 0%, rgba(26,36,56,0.5) 55%, rgba(26,36,56,0.15) 100%);
}

.hero__content {
  position: relative;
  color: var(--white);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero__label {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-light);
  display: block;
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 5vw, 58px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}

.hero__desc {
  font-size: 15px;
  line-height: 2;
  margin-bottom: 40px;
  max-width: 480px;
  opacity: 0.88;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 32px;
  background: var(--gold);
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.btn-primary:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,110,0.35);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: 2px solid rgba(255,255,255,0.55);
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

.btn-navy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 32px;
  background: var(--navy);
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.btn-navy:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-more {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--navy);
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  transition: background var(--transition), color var(--transition), gap var(--transition);
}

.btn-more:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-more span { transition: transform var(--transition); }
.btn-more:hover span { transform: translateX(4px); }

/* =====================================================
   サービスカード（画像＋オーバーラップパネル）
   ===================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 40px;
}

.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card__img-wrap {
  position: relative;
  aspect-ratio: 6 / 5;
  overflow: hidden;
  background: var(--navy);
}

.service-card__img-wrap a {
  display: block;
  width: 100%;
  height: 100%;
}

.service-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s ease;
}

.service-card:hover .service-card__img { transform: scale(1.06); }

.service-card__num {
  position: absolute;
  z-index: 1;
  top: 18px;
  left: 18px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--white);
}

.service-card__num::after {
  content: '';
  display: block;
  width: 22px;
  height: 1px;
  background: var(--gold);
  margin-top: 8px;
}

.service-card__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  width: calc(100% - 32px);
  margin: -36px auto 0;
  padding: 26px 24px 22px;
  background: var(--white);
  border-top: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.service-card:hover .service-card__body { box-shadow: var(--shadow-md); }

.service-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 18px;
}

.service-card .btn-more { margin-top: auto; }

/* =====================================================
   分割レイアウト（画像＋テキスト）
   ===================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.split__media--duo {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 16px;
}

.split__media img {
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

/* =====================================================
   実例グリッド
   ===================================================== */
.examples-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.example-card {
  overflow: hidden;
  position: relative;
}

.example-card__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.example-card:hover .example-card__img { transform: scale(1.06); }

.example-card__label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 16px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
}

/* =====================================================
   フロー（ステップ）
   ===================================================== */
.flow-steps {
  display: flex;
  flex-direction: column;
  max-width: 700px;
  margin: 0 auto;
}

.flow-step {
  display: flex;
  gap: 28px;
  position: relative;
  padding-bottom: 44px;
}

.flow-step:last-child { padding-bottom: 0; }

.flow-step__num-wrap {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-step__icon {
  position: relative;
  width: 64px;
  height: 64px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.flow-step__icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.flow-step__number {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 26px;
  height: 26px;
  background: var(--gold);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  border: 2px solid var(--white);
  font-family: var(--font-serif);
  flex-shrink: 0;
}

.flow-step__line {
  width: 2px;
  flex: 1;
  background: var(--light-gray);
  margin-top: 8px;
}

.flow-step:last-child .flow-step__line { display: none; }

.flow-step__content { padding-top: 12px; }

.flow-step__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.flow-step__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.9;
}

/* =====================================================
   特徴カード (About)
   ===================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.feature-card__body {
  padding: 24px 20px;
  border-top: 3px solid var(--gold);
}

.feature-card__number {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
}

.feature-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.9;
}

/* =====================================================
   外壁塗装ページ：4つのこだわり
   ===================================================== */
.gaiso-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 0 40px;
}

.gaiso-feature {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 360px;
  padding: 28px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  transition: background var(--transition);
}

.gaiso-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,26,46,.05) 0%, rgba(11,26,46,.2) 60%, rgba(11,26,46,.5) 100%);
  transition: background var(--transition);
}

.gaiso-feature:hover::before {
  background: linear-gradient(180deg, rgba(11,26,46,.15) 0%, rgba(11,26,46,.3) 60%, rgba(11,26,46,.6) 100%);
}

.gaiso-feature__icon {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--gold);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--white);
  font-weight: 700;
  font-family: var(--font-serif);
  margin-bottom: 18px;
}

.gaiso-feature__title {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  min-height: 2.6em;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
  margin-bottom: 10px;
}

.gaiso-feature__desc {
  position: relative;
  z-index: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 16px;
}

.gaiso-feature .btn-outline {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  padding: 10px 24px;
  font-size: 13px;
}

/* =====================================================
   よくあるご質問 Q&A（アコーディオン）
   ===================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border);
  background: var(--white);
}

.faq-item__q {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 28px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}

.faq-item__q::-webkit-details-marker { display: none; }

.faq-item__q-mark {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--navy);
  color: var(--gold-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-serif);
}

.faq-item__q-text { flex: 1; }

.faq-item__q-toggle {
  flex-shrink: 0;
  position: relative;
  width: 18px;
  height: 18px;
}

.faq-item__q-toggle::before,
.faq-item__q-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--navy);
  transform: translate(-50%, -50%);
  transition: opacity var(--transition);
}

.faq-item__q-toggle::before { width: 18px; height: 2px; }
.faq-item__q-toggle::after { width: 2px; height: 18px; }

.faq-item[open] .faq-item__q-toggle::after { opacity: 0; }

.faq-item__a {
  padding: 0 28px 24px 76px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
}

/* =====================================================
   CTA セクション
   ===================================================== */
.cta-section {
  background: var(--navy);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}

.cta-section__title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3.5vw, 32px);
  font-weight: 600;
  margin-bottom: 16px;
}

.cta-section__desc {
  font-size: 15px;
  opacity: 0.75;
  margin-bottom: 40px;
  line-height: 2;
}

.cta-section__tel {
  display: block;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold-light);
  margin-bottom: 6px;
  line-height: 1;
}

.cta-section__tel-label {
  font-size: 13px;
  opacity: 0.6;
  margin-bottom: 36px;
  display: block;
}

.cta-section__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* =====================================================
   劣化進行度タイムライン
   ===================================================== */
.deterioration-timeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 8px;
}

.deterioration-step { text-align: center; }

.deterioration-step__badge {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--navy);
  padding: 4px 14px;
  margin-bottom: 14px;
}

.deterioration-step__img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  margin-bottom: 14px;
}

.deterioration-step__bar {
  height: 4px;
  margin-bottom: 14px;
}

.deterioration-step__stage {
  font-size: 12px;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.deterioration-step__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.deterioration-step__desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.8;
}

.deterioration-arrow {
  align-self: center;
  position: relative;
  width: 22px;
  height: 12px;
  margin-top: 90px;
}

.deterioration-arrow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: translateY(-50%);
}

.deterioration-arrow::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  transform: translateY(-50%) rotate(45deg);
}

@media (max-width: 900px) {
  .deterioration-timeline { grid-template-columns: 1fr; }
  .deterioration-arrow { margin: 0 auto; width: 12px; height: 22px; transform: rotate(90deg); }
  .deterioration-step { text-align: left; }
}

/* =====================================================
   会社概要テーブル
   ===================================================== */
.company-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  font-size: 14px;
}

.company-table th,
.company-table td {
  padding: 18px 20px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  line-height: 1.85;
}

.company-table th {
  width: 28%;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--off-white);
  white-space: nowrap;
}

.company-table td { color: var(--text); }

/* 拠点グリッド */
.offices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.office-card {
  background: var(--white);
  border: 1px solid var(--border);
  overflow: hidden;
}

.office-card__name {
  color: var(--navy);
  font-size: 15px;
  font-weight: 700;
  padding: 16px 20px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--gold);
}

.office-card__info {
  padding: 20px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 2;
}

.office-card__info p + p {
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.office-card__info strong {
  color: var(--text);
  font-weight: 500;
}

/* =====================================================
   お問い合わせフォーム
   ===================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 56px;
  align-items: start;
}

.contact-form { width: 100%; }

/* フォーム送信完了メッセージ（見出しの下に中央揃えで表示） */
.form-success {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
  color: var(--navy);
  font-weight: 700;
  line-height: 2;
}
/* 送信完了後：フォーム欄を隠し、サイドバーを中央に寄せる */
.contact-layout.is-sent { grid-template-columns: minmax(0, 320px); justify-content: center; }
.contact-layout.is-sent #form-container { display: none; }

.form-group { margin-bottom: 28px; }

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 10px;
}

.badge-required {
  display: inline-block;
  padding: 2px 8px;
  background: var(--gold);
  color: var(--white);
  font-size: 11px;
  border-radius: 3px;
}

.badge-optional {
  display: inline-block;
  padding: 2px 8px;
  background: var(--light-gray);
  color: var(--text-muted);
  font-size: 11px;
  border-radius: 3px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200,169,110,0.15);
}

.form-textarea { height: 180px; resize: vertical; }

.form-radio-group,
.form-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 4px;
}

.form-radio,
.form-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  cursor: pointer;
}

.form-radio input,
.form-checkbox input {
  width: 17px;
  height: 17px;
  accent-color: var(--gold);
  cursor: pointer;
}

.form-submit { margin-top: 36px; }

.hidden { display: none !important; }

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 56px;
  background: var(--navy);
  color: var(--white);
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

.btn-submit:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-sidebar {}

.contact-info-card {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  margin-bottom: 20px;
}

.contact-info-card__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.contact-info-card__item {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}

.contact-info-card__label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.contact-info-card__value {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  line-height: 1.6;
}

.contact-info-card__tel {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.05em;
}

/* =====================================================
   ブログ Coming Soon
   ===================================================== */
.coming-soon-section {
  text-align: center;
  padding: 120px 24px;
}

.coming-soon-section__title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 16px;
}

.coming-soon-section__desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 40px;
}

/* =====================================================
   フッター
   ===================================================== */
.footer {
  background: #111825;
  color: rgba(255,255,255,0.65);
  padding: 64px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__logo {
  height: 34px;
  width: auto;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.footer__desc {
  font-size: 13px;
  line-height: 1.95;
  margin-bottom: 24px;
}

.footer__tel {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 4px;
}

.footer__hours {
  font-size: 12px;
  opacity: 0.55;
  display: block;
  margin-bottom: 16px;
}

.footer__address {
  font-size: 13px;
  line-height: 1.85;
  opacity: 0.7;
}

.footer__nav-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__nav-link {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer__nav-link:hover { color: var(--gold); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
  opacity: 0.4;
}

/* =====================================================
   スクロールアニメーション
   ===================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* =====================================================
   ユーティリティ
   ===================================================== */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.divider {
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin-bottom: 24px;
}
.divider--center { margin-left: auto; margin-right: auto; }

/* =====================================================
   レスポンシブ
   ===================================================== */
@media (max-width: 1024px) {
  .nav,
  .header__cta { display: none; }
  .hamburger { display: flex; }

  .services-grid,
  .features-grid { grid-template-columns: repeat(2, 1fr); }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .offices-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-sidebar { order: -1; }

  .split { gap: 40px; }
}

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split__media img { height: 320px !important; }
  .gaiso-features { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .section { padding: 60px 0; }

  .services-grid,
  .examples-grid,
  .features-grid,
  .gaiso-features { grid-template-columns: 1fr; }

  .gaiso-features { padding: 0 20px; }

  .offices-grid { grid-template-columns: 1fr; }

  .footer__inner { grid-template-columns: 1fr; gap: 32px; }

  .hero { max-height: 640px; }
  .hero__overlay { background: rgba(26,36,56,0.72); }

  .cta-section__actions { flex-direction: column; align-items: center; }

  .company-table th { width: 36%; }

  .page-header { height: 200px; }
  .page-header--compact { height: 140px; }
  .plain-banner__img { height: 200px; }

  .faq-item__q { padding: 18px 20px; gap: 12px; }
  .faq-item__a { padding: 0 20px 20px 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .flow-step { gap: 16px; }
  .flow-step__icon { width: 52px; height: 52px; }
  .flow-step__icon img { width: 26px; height: 26px; }
  .flow-step__number { width: 22px; height: 22px; font-size: 11px; }
  .company-table th,
  .company-table td { padding: 12px 14px; font-size: 13px; }
}