/* ========================================
   NS HOME コーポレートサイト - メインスタイル
   ========================================
   カラーパレット（ロゴベース）:
   - プライマリグリーン: #3D6B35 (ダークグリーン)
   - アクセントグリーン: #4A7C41
   - ベージュ/ゴールド: #C5A55A
   - ライトベージュ: #F5F0E8
   - ウォームホワイト: #FAFAF5
   - テキスト: #2D2D2D
   - サブテキスト: #666666
   
   使用画像（添付3枚目以降は最大3枚のみ）:
   - images/logo.png（ロゴ）
   - images/representative.png（代表イラスト）
   - images/living-skylight.jpg（ヒーロー背景）
   - images/kitchen.jpg（ギャラリー）
   - images/living-room.jpg（ギャラリー）
   ======================================== */

/* ---------- リセット & ベース ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #2D2D2D;
  background-color: #FAFAF5;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease, opacity 0.3s ease;
}

ul {
  list-style: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.sp-only {
  display: none;
}

/* ---------- 共通セクション ---------- */
.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 20px;
}

.section-title .title-en {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.85rem;
  font-weight: 400;
  color: #C5A55A;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title .title-ja {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: 1.85rem;
  font-weight: 600;
  color: #3D6B35;
  line-height: 1.4;
}

.section-title-left {
  margin-bottom: 24px;
}

.section-title-left .title-en {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.8rem;
  font-weight: 400;
  color: #C5A55A;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title-left .title-ja {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: #3D6B35;
  line-height: 1.5;
}

.section-lead {
  text-align: center;
  color: #555;
  font-size: 0.95rem;
  max-width: 700px;
  margin: 0 auto 50px;
  line-height: 1.9;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  justify-content: center;
}

.btn-primary {
  background-color: #3D6B35;
  color: #fff;
  border-color: #3D6B35;
}

.btn-primary:hover {
  background-color: #2D5428;
  border-color: #2D5428;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(61, 107, 53, 0.3);
}

.btn-primary-green {
  background-color: #3D6B35;
  color: #fff;
  border-color: #3D6B35;
}

.btn-primary-green:hover {
  background-color: #2D5428;
  border-color: #2D5428;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(61, 107, 53, 0.3);
}

.btn-outline-white {
  background-color: transparent;
  color: #fff;
  border-color: #fff;
}

.btn-outline-white:hover {
  background-color: #fff;
  color: #3D6B35;
  transform: translateY(-2px);
}

.btn-white {
  background-color: #fff;
  color: #3D6B35;
  border-color: #fff;
}

.btn-white:hover {
  background-color: #F5F0E8;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-line {
  background-color: #06C755;
  color: #fff;
  border-color: #06C755;
}

.btn-line:hover {
  background-color: #05B34C;
  border-color: #05B34C;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 199, 85, 0.3);
}

.btn-large {
  padding: 18px 48px;
  font-size: 1.05rem;
}

/* ---------- フェードインアニメーション ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ========================================
   ヘッダー
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
}

.nav-desktop .nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-desktop .nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: #444;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.nav-desktop .nav-list a:hover {
  color: #3D6B35;
  background-color: rgba(61, 107, 53, 0.06);
}

.nav-desktop .nav-cta {
  background-color: #3D6B35 !important;
  color: #fff !important;
  border-radius: 50px !important;
  padding: 10px 24px !important;
  margin-left: 8px;
}

.nav-desktop .nav-cta:hover {
  background-color: #2D5428 !important;
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1010;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #3D6B35;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* モバイルナビ */
.nav-mobile {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 16px 0;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.nav-mobile.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-mobile-list li a {
  display: block;
  padding: 14px 30px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #444;
  border-bottom: 1px solid #f0ebe3;
  transition: background-color 0.3s ease;
}

.nav-mobile-list li a:hover {
  background-color: #f9f5ee;
  color: #3D6B35;
}

.nav-mobile-contact a {
  color: #3D6B35 !important;
  font-weight: 600 !important;
  font-size: 1.1rem !important;
}

/* ========================================
   ヒーローセクション（1枚固定背景）
   ======================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 0;
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(45, 84, 40, 0.65) 0%,
    rgba(61, 107, 53, 0.45) 40%,
    rgba(197, 165, 90, 0.25) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 20px;
  max-width: 800px;
}

.hero-sub {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  opacity: 0.9;
}

.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-desc {
  font-size: 1rem;
  font-weight: 300;
  line-height: 2;
  margin-bottom: 40px;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* スクロールインジケーター */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
  opacity: 0.7;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, #fff, transparent);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: scaleY(1); opacity: 0.7; }
  50% { transform: scaleY(1.3); opacity: 1; }
}

/* ========================================
   代表メッセージ
   ======================================== */
.message-section {
  background-color: #fff;
}

.message-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: center;
}

.message-image {
  text-align: center;
}

.representative-img {
  width: 200px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background-color: #F5F0E8;
  padding: 10px;
}

.representative-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: #3D6B35;
}

.message-text p {
  color: #555;
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: 16px;
}

.message-text .btn {
  margin-top: 12px;
}

/* ========================================
   サービスセクション（共通）
   ======================================== */
.service-section {
  background-color: #FAFAF5;
}

.service-section-alt {
  background-color: #fff;
}

/* ---------- ギャラリー（1枚画像） ---------- */
.gallery-single {
  margin-bottom: 50px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.gallery-single img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-single:hover img {
  transform: scale(1.03);
}

/* ---------- アイコンカード（写真なし） ---------- */
.service-icon-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-icon-card {
  background-color: #fff;
  border-radius: 16px;
  padding: 36px 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.service-section-alt .service-icon-card {
  background-color: #FAFAF5;
}

.service-icon-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #EDF5EB, #d4e8d0);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.service-icon i {
  font-size: 1.3rem;
  color: #3D6B35;
}

.service-icon-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: #3D6B35;
  margin-bottom: 12px;
}

.service-icon-card p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.8;
}

.service-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.tag {
  display: inline-block;
  padding: 4px 14px;
  background-color: #EDF5EB;
  color: #3D6B35;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ========================================
   選ばれる理由
   ======================================== */
.reason-section {
  background-color: #F5F0E8;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.reason-card {
  background-color: #fff;
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.reason-number {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: 'Noto Serif JP', serif;
  font-size: 2rem;
  font-weight: 700;
  color: #E8DFC8;
  line-height: 1;
}

.reason-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #3D6B35, #4A7C41);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.reason-icon i {
  font-size: 1.4rem;
  color: #fff;
}

.reason-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #3D6B35;
  margin-bottom: 12px;
}

.reason-card p {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.8;
}

/* ========================================
   ご相談の流れ
   ======================================== */
.flow-section {
  background-color: #fff;
}

.flow-timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.flow-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #3D6B35, #C5A55A);
}

.flow-step {
  display: flex;
  gap: 28px;
  margin-bottom: 40px;
  position: relative;
}

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

.flow-step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #3D6B35, #4A7C41);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.flow-step-number span {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.flow-step-content {
  flex: 1;
  padding-top: 8px;
}

.flow-step-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #3D6B35;
  margin-bottom: 8px;
}

.flow-step-content p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.8;
}

.flow-contact-methods {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.flow-contact-methods span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: #EDF5EB;
  border-radius: 20px;
  font-size: 0.8rem;
  color: #3D6B35;
  font-weight: 500;
}

/* ========================================
   対応エリア
   ======================================== */
.area-section {
  background-color: #FAFAF5;
}

.area-content {
  max-width: 700px;
  margin: 40px auto 0;
  text-align: center;
}

.area-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background-color: #3D6B35;
  color: #fff;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.area-content h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: #2D2D2D;
  margin-bottom: 28px;
}

.area-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}

.area-tag {
  padding: 10px 24px;
  background-color: #fff;
  border: 2px solid #e0d9cc;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #555;
  transition: all 0.3s ease;
}

.area-tag-main {
  background-color: #3D6B35;
  border-color: #3D6B35;
  color: #fff;
}

.area-note {
  font-size: 0.85rem;
  color: #888;
}

/* ========================================
   会社案内
   ======================================== */
.company-section {
  background-color: #FAFAF5;
}

.company-card {
  max-width: 800px;
  margin: 40px auto;
  background-color: #fff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid #f0ebe3;
}

.company-table tr:last-child {
  border-bottom: none;
}

.company-table th,
.company-table td {
  padding: 18px 16px;
  font-size: 0.92rem;
  vertical-align: top;
  text-align: left;
}

.company-table th {
  width: 140px;
  font-weight: 600;
  color: #3D6B35;
  white-space: nowrap;
}

.company-table td {
  color: #555;
}

.company-table td a {
  color: #3D6B35;
  font-weight: 500;
}

.company-table td a:hover {
  text-decoration: underline;
}

.sunday-note {
  color: #C5A55A;
  font-weight: 500;
  font-size: 0.85rem;
}



/* ========================================
   お問い合わせ
   ======================================== */
.contact-section {
  background-color: #fff;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.contact-method-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 36px 24px;
  background-color: #FAFAF5;
  border-radius: 16px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.contact-method-card:hover {
  border-color: #3D6B35;
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.contact-method-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.contact-method-icon i {
  font-size: 1.6rem;
  color: #fff;
}

.phone-icon { background: linear-gradient(135deg, #3D6B35, #4A7C41); }
.line-icon { background: #06C755; }
.mail-icon { background: linear-gradient(135deg, #C5A55A, #D4B86A); }

.contact-method-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #3D6B35;
  margin-bottom: 8px;
}

.contact-number {
  font-size: 1.3rem;
  font-weight: 700;
  color: #3D6B35;
  margin-bottom: 4px;
}

.contact-hours,
.contact-line-desc,
.contact-line-note,
.contact-email,
.contact-mail-note {
  font-size: 0.82rem;
  color: #888;
  line-height: 1.6;
}

.contact-email {
  font-size: 0.88rem;
  color: #3D6B35;
  font-weight: 500;
  margin-bottom: 4px;
}

.contact-line-desc {
  font-size: 0.92rem;
  color: #555;
  margin-bottom: 4px;
}

/* フォーム */
.contact-form-wrapper {
  max-width: 700px;
  margin: 0 auto;
  background-color: #FAFAF5;
  border-radius: 20px;
  padding: 48px 40px;
}

.form-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: #3D6B35;
  text-align: center;
  margin-bottom: 32px;
}

.form-heading i {
  margin-right: 8px;
}

.form-group {
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 8px;
}

.required {
  display: inline-block;
  padding: 2px 8px;
  background-color: #E84D3D;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e0d9cc;
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: 'Noto Sans JP', sans-serif;
  background-color: #fff;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  color: #2D2D2D;
}

.form-input:focus {
  outline: none;
  border-color: #3D6B35;
  box-shadow: 0 0 0 3px rgba(61, 107, 53, 0.1);
}

.form-input::placeholder {
  color: #bbb;
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* チェックボックス */
.form-privacy {
  margin-bottom: 24px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.88rem;
  color: #666;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 2px solid #d0c9bc;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background-color: #3D6B35;
  border-color: #3D6B35;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 6px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-submit {
  text-align: center;
}

/* ========================================
   CTA
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, #3D6B35, #2D5428);
  padding: 80px 0;
}

.cta-content {
  text-align: center;
  color: #fff;
}

.cta-content h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
}

.cta-content p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 36px;
}

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

/* ========================================
   フッター
   ======================================== */
.footer {
  background-color: #2D2D2D;
  color: #ccc;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  height: 44px;
  margin-bottom: 16px;
  filter: brightness(10);
}

.footer-company {
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.footer-address,
.footer-hours {
  font-size: 0.82rem;
  line-height: 1.7;
  color: #aaa;
  margin-bottom: 4px;
}

.footer-tel {
  margin: 8px 0;
}

.footer-tel a {
  color: #fff;
  font-weight: 500;
  font-size: 0.95rem;
}

.footer-tel a:hover {
  color: #C5A55A;
}

.footer-nav h4,
.footer-service h4,
.footer-contact-col h4 {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #C5A55A;
  display: inline-block;
}

.footer-nav ul li,
.footer-service ul li {
  margin-bottom: 8px;
}

.footer-nav ul li a {
  font-size: 0.82rem;
  color: #aaa;
  transition: color 0.3s ease;
}

.footer-nav ul li a:hover {
  color: #C5A55A;
}

.footer-service ul li {
  font-size: 0.82rem;
  color: #aaa;
}

.footer-line-btn,
.footer-mail-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.footer-line-btn {
  background-color: #06C755;
  color: #fff;
}

.footer-line-btn:hover {
  background-color: #05B34C;
  opacity: 0.9;
}

.footer-mail-btn {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.footer-mail-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-note {
  font-size: 0.75rem;
  color: #888;
  margin-bottom: 8px;
}

.footer-copyright {
  font-size: 0.75rem;
  color: #888;
}

/* ========================================
   固定ボタン（スマホのみ表示）
   ======================================== */
.fixed-buttons {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: none;
  z-index: 999;
}

.fixed-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
}

.fixed-phone {
  background-color: #3D6B35;
}

.fixed-line {
  background-color: #06C755;
}

/* トップに戻るボタン */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background-color: #3D6B35;
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(61, 107, 53, 0.3);
  z-index: 998;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: #2D5428;
  transform: translateY(-3px);
}

/* ========================================
   レスポンシブ（タブレット）
   ======================================== */
@media (max-width: 1024px) {
  .reason-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* ========================================
   レスポンシブ（スマートフォン）
   ======================================== */
@media (max-width: 768px) {
  html {
    scroll-padding-top: 72px;
  }

  .sp-only {
    display: inline;
  }

  .section {
    padding: 70px 0;
  }

  /* ヘッダー */
  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-mobile {
    display: block;
  }

  /* ヒーロー */
  .hero {
    min-height: 500px;
    max-height: 700px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-desc {
    font-size: 0.88rem;
    line-height: 1.8;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 260px;
  }

  .scroll-indicator {
    display: none;
  }

  /* メッセージ */
  .message-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .message-text {
    text-align: left;
  }

  .section-title .title-ja {
    font-size: 1.4rem;
  }

  .section-title-left .title-ja {
    font-size: 1.3rem;
  }

  .section-lead {
    font-size: 0.88rem;
  }

  /* ギャラリー */
  .gallery-single {
    margin-bottom: 36px;
  }

  .gallery-single img {
    height: 200px;
  }

  /* サービスアイコンカード */
  .service-icon-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-icon-card {
    padding: 28px 24px;
  }

  /* 選ばれる理由 */
  .reason-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .reason-card {
    padding: 28px 20px;
    display: grid;
    grid-template-columns: 60px 1fr;
    grid-template-rows: auto auto;
    gap: 0 20px;
    text-align: left;
  }

  .reason-icon {
    grid-row: 1 / 3;
    margin: 0;
    width: 52px;
    height: 52px;
    align-self: center;
  }

  .reason-number {
    position: static;
    display: none;
  }

  .reason-card h3 {
    margin-bottom: 4px;
  }

  /* フロー */
  .flow-timeline::before {
    left: 24px;
  }

  .flow-step-number {
    width: 48px;
    height: 48px;
  }

  .flow-step {
    gap: 20px;
  }

  .flow-contact-methods {
    gap: 8px;
  }

  /* お問い合わせ */
  .contact-methods {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-form-wrapper {
    padding: 32px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* 会社情報 */
  .company-card {
    padding: 24px 20px;
  }

  .company-table th {
    display: block;
    width: 100%;
    padding: 14px 0 4px;
  }

  .company-table td {
    display: block;
    padding: 0 0 14px;
  }

  /* CTA */
  .cta-content h2 {
    font-size: 1.3rem;
  }

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

  .cta-buttons .btn {
    width: 260px;
  }

  /* フッター */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* 固定ボタン */
  .fixed-buttons {
    display: flex;
  }

  .back-to-top {
    bottom: 76px;
    right: 16px;
    width: 42px;
    height: 42px;
  }

  /* エリア */
  .area-tags {
    gap: 8px;
  }

  .area-tag {
    padding: 8px 18px;
    font-size: 0.88rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .hero-sub {
    font-size: 0.8rem;
  }

  .section-title .title-ja {
    font-size: 1.25rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.88rem;
  }

  .btn-large {
    padding: 14px 36px;
    font-size: 0.95rem;
  }
}