@charset "UTF-8";
/* ===================================
  カラー変数
  =================================== */
:root {
  /* メインカラー - 参考サイトに準拠 */
  --primary-color: #FF7700;
  --primary-dark: #E66600;
  --secondary-color: #4CAF50;
  --accent-color: #FFD700;
  --blue-accent: #3498DB;
  --red-alert: #FF3333;
  
  /* グレースケール */
  --text-dark: #1a1a1a;
  --text-medium: #666666;
  --text-light: #999999;
  --bg-white: #FFFFFF;
  --bg-light: #FFF8F0;
  --bg-gray: #F5F5F5;
  --border-color: #E0E0E0;
  
  /* フォント */
  --font-family: 'Noto Sans JP', sans-serif;
  
  /* コンテナ幅 */
  --container-max: 144rem;
  --container-narrow: 117rem;
}

/* ===================================
  ベーススタイル
  =================================== */

body {
  font-family: var(--font-family);
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--bg-white);
  overflow-x: hidden;
  font-size: 1.6rem;
}

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

a {
  transition: all 0.3s ease;
}

/* ===================================
  コンテナ
  =================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 6.4rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 4rem;
}

/* ===================================
  ボタン
  =================================== */
.btn-primary {
  display: inline-block;
  background: var(--primary-color);
  color: var(--bg-white);
  padding: 1.2rem 2.4rem;
  border-radius: 0.4rem;
  font-weight: 500;
  text-align: center;
  border: 0.1rem solid var(--primary-color);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-0.2rem);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text-dark);
  padding: 0.8rem 2rem;
  border-radius: 0.4rem;
  font-weight: 400;
  border: 0.1rem solid var(--text-dark);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--text-dark);
  color: var(--bg-white);
}

.btn-small {
  padding: 0.8rem 2rem;
  font-size: 1.6rem;
}

.btn-large {
  padding: 1.2rem 2.4rem;
  font-size: 1.8rem;
  min-width: 20rem;
}

.btn-cta {
  font-size: 3.2rem;
  padding: 3rem 6rem;
  min-width: 48rem;
  line-height: 1.25;
}

.btn-cta-sub {
  font-size: 1.6rem;
  font-weight: 400;
}

/* ===================================
  ナビゲーション
  =================================== */
.navbar {
  background: #000;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 0.2rem 1rem rgba(0, 0, 0, 0.1);
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 7.2rem;
}

.navbar-logo .logo {
  height: 5rem;
  width: auto;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 3.2rem;
}

.nav-links {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.nav-links a {
  color: var(--bg-white);
  font-size: 1.6rem;
  font-weight: 400;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--accent-color);
}

.navbar .btn-secondary {
  color: var(--bg-white);
  border-color: var(--bg-white);
}

.navbar .btn-secondary:hover {
  background: var(--bg-white);
  color: var(--text-dark);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 0.6rem;
  background: #009245;
  border: none;
  cursor: pointer;
  width: 5.6rem;
  height: 5.6rem;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.3s ease;
}

.mobile-menu-btn:hover {
  background: #007a38;
}

.mobile-menu-btn span {
  display: block;
  width: 3rem;
  height: 0.3rem;
  background: var(--bg-white);
  transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(0.65rem, 0.65rem);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(0.65rem, -0.65rem);
}

/* ===================================
  セクション共通
  =================================== */
.section {
  padding: 15rem 6.4rem;
}

.section-header {
  text-align: center;
  margin-bottom: 8rem;
}

.section-title {
  font-size: 4.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.6rem;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 2.8rem;
  color: var(--text-dark);
  line-height: 1.29;
}

.section-description {
  font-size: 1.8rem;
  color: var(--text-dark);
  line-height: 1.5;
  margin-top: 2.4rem;
}

.section-footer {
  font-size: 3.2rem;
  font-weight: 700;
  text-align: center;
  margin-top: 6rem;
  color: #4CAF50;
}

/* ===================================
  3カラムグリッド
  =================================== */
.three-col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4.8rem;
}

/* ===================================
  Section 02: 課題提起
  =================================== */
.problems-section {
  background: var(--bg-white);
}

/* 吹き出しスタイル */
.speech-bubbles {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 4rem;
}

.speech-bubble {
  position: relative;
  background: #FFFFFF;
  border: 0.3rem solid #4CAF50;
  border-radius: 2rem;
  padding: 3rem 4rem;
  min-width: 28rem;
  text-align: center;
}

/* 吹き出しの尻尾（下向き三角） */
.speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 2rem solid transparent;
  border-right: 2rem solid transparent;
  border-top: 2rem solid #4CAF50;
}

.speech-bubble::before {
  content: '';
  position: absolute;
  bottom: -1.4rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 1.8rem solid transparent;
  border-right: 1.8rem solid transparent;
  border-top: 1.8rem solid #FFFFFF;
  z-index: 1;
}

.speech-bubble p {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.5;
  color: #4CAF50;
  margin: 0;
}

/* メインタイトル */
.section-title-main {
  font-size: 4.8rem;
  font-weight: 700;
  line-height: 1.2;
  color: #4CAF50;
  text-align: center;
}

.problem-card {
  display: flex;
  flex-direction: column;
  gap: 3.2rem;
  text-align: center;
}

.problem-image {
  width: 100%;
  height: 21.77rem;
  overflow: hidden;
  border-radius: 0.8rem;
}

.problem-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.problem-content {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.problem-title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.4;
}

.problem-list {
  text-align: left;
  padding-left: 0;
  list-style: none;
}

.problem-list li {
  font-size: 1.6rem;
  line-height: 1.5;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 0.8rem;
}

.problem-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4CAF50;
  font-weight: 700;
  font-size: 1.8rem;
}

.problem-result {
  font-size: 1.6rem;
  font-weight: 700;
  color: #FF7700;
  text-align: center;
  border: 0.3rem solid #FF7700;
  border-radius: 1rem;
  padding: 1.2rem 2rem;
  margin-top: 1rem;
  position: relative;
  padding-left: 3.5rem;
}

.problem-result::before {
  content: "→";
  position: absolute;
  left: 1.5rem;
  font-size: 2rem;
  font-weight: 700;
}

/* ===================================
  Section 03 & 04: タブスタイル
  =================================== */
.why-cold-section {
  background: #E8F4F8;
}

/* Section 03専用スタイル */
.section-header-why {
  text-align: center;
  margin-bottom: 8rem;
  position: relative;
}

.header-line {
  width: 13rem;
  height: 0.4rem;
  background: #4CAF50;
  margin: 0 auto 3rem;
}

.section-title-why {
  font-size: 4.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2.4rem;
  color: var(--text-dark);
}

.section-description-why {
  font-size: 1.8rem;
  color: var(--text-dark);
  line-height: 1.5;
}

.tabs-menu-why {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tabs-heading-why {
  font-size: 3.2rem;
  font-weight: 700;
  text-align: left;
  margin-bottom: 3rem;
  line-height: 1.3;
  color: #3498DB;
}

.tab-item-why {
  padding: 2.4rem 0;
  border-bottom: 0.2rem solid #3498DB;
  position: relative;
}

.tab-item-why:last-child {
  border-bottom: 0.2rem solid #3498DB;
}

.tab-number {
  font-size: 2rem;
  font-weight: 700;
  color: #3498DB;
  display: inline;
  margin-right: 0.8rem;
}

.tab-title-why {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.2rem;
  color: var(--text-dark);
}

.tab-text-why {
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--text-medium);
}

/* Section 03のsection-footer */
.why-cold-section .section-footer {
  color: #FF7700;
}

/* Section 05のsection-footer */
.strengths-section .section-footer {
  color: #4CAF50;
}

/* Section 04専用スタイル */
.section-header-solution {
  text-align: center;
  margin-bottom: 8rem;
  position: relative;
}

.section-title-solution {
  font-size: 4.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2.4rem;
  color: var(--text-dark);
}

.solution-section {
  background: var(--bg-white);
}
l {
    font-size: 1.6rem;
    font-weight: 700;
    color: #4CAF50;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.5rem;
    background: #99ccff;
    width: 100px;
    margin: 0 auto;
    border-radius: 4px;
}
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    vertical-align: baseline;
}
* {
    margin: 0;
    padding: 0;
}
*, *::before, *::after {
    box-sizing: border-box;
}
.process-step-text {
    text-align: center;
    display: flex
;
    flex-direction: column;
    gap: 0.8rem;
}
.process-card {
    text-align: center;
}
body {
    font-family: var(--font-family);
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-white);
    overflow-x: hidden;
    font-size: 1.6rem;
}
body {
    text-rendering: optimizeSpeed;
}
:root {
    --primary-color: #FF7700;
    --primary-dark: #E66600;
    --secondary-color: #4CAF50;
    --accent-color: #FFD700;
    --blue-accent: #3498DB;
    --red-alert: #FF3333;
    --text-dark: #1a1a1a;
    --text-medium: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #FFF8F0;
    --bg-gray: #F5F5F5;
    --border-color: #E0E0E0;
    --font-family: 'Noto Sans JP', sans-serif;
    --container-max: 144rem;
    --container-narrow: 117rem;
}
html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}
*, *::before, *::after {
    box-sizing: border-box;
}
*, *::before, *::after {
    box-sizing: border-box;
}
.tabs-wrapper {
  display: flex;
  gap: 8rem;
  align-items: flex-start;
}

.tabs-content {
  flex: 1;
}

.tabs-image {
  width: 100%;
  height: 54.5rem;
  object-fit: cover;
  border-radius: 0.8rem;
}

.tabs-menu {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tabs-heading {
  font-size: 3.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  line-height: 1.3;
}

.tab-item {
  padding: 2.4rem 0;
  border-bottom: 0.1rem solid var(--border-color);
}

.tab-item:last-child {
  border-bottom: none;
}

.tab-title {
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.6rem;
}

.tab-text {
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--text-medium);
}

.tab-list {
  padding-left: 2rem;
}

.tab-list li {
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--text-medium);
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.8rem;
}

.tab-list li:before {
  content: "・";
  position: absolute;
  left: 0;
}

/* ===================================
  Section 05: 選ばれる理由
  =================================== */
.strengths-section {
  background: var(--bg-white);
}

.strengths-process {
  margin-bottom: 8rem;
}

.process-title {
  font-size: 3.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
}

.process-card {
  text-align: center;
}

.process-content {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

/* 新しいステップヘッダーデザイン */
.process-step-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  margin-bottom: 3.2rem;
}

.process-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-icon-circle {
  width: 8rem;
  height: 8rem;
  background: #4CAF50;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0.4rem 1.2rem rgba(76, 175, 80, 0.3);
}

.process-icon {
  width: 4rem;
  height: 4rem;
}

.process-step-text {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.process-step-label {
  font-size: 1.6rem;
  font-weight: 700;
  color: #4CAF50;
  letter-spacing: 0.1em;
  background-color: #e8f3e7;
  border-radius: 4px;
  max-width: 14rem;
  padding: 0.4rem 0.8rem;
  margin: 0 auto;
}

.process-step-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
}

/* 旧いprocess-stepスタイルは保持（互換性のため） */
.process-step {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 1.6rem;
}

.process-image {
  width: 100%;
  height: 21.77rem;
  overflow: hidden;
  border-radius: 0.8rem;
  margin-bottom: 1.6rem;
}

.process-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.process-description {
  font-size: 1.6rem;
  font-weight: 400;
  text-align: center;
}

.strengths-cards {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin-bottom: 8rem;
}

.strength-card {
  background: #e8f3e7;
  padding: 6rem 4rem;
  border-radius: 4rem;
  text-align: left;
}

.strength-title {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 4rem;
  color: #4CAF50;
  text-align: center;
}

.strength-list {
  text-align: left;
  padding-left: 0;
  list-style: none;
}

.strength-list li {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 1.2rem;
  position: relative;
  padding-left: 3rem;
}

.strength-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4CAF50;
  font-weight: 700;
  font-size: 1.8rem;
}

.strength-description {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 2rem;
  position: relative;
  padding-left: 3rem;
}

.strength-description:before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #4CAF50;
  font-weight: 700;
  font-size: 1.8rem;
}

.strength-description + .strength-description {
  margin-top: 1.2rem;
}

.strength-badge {
  font-size: 2.8rem;
  font-weight: 700;
  margin-top: 4rem;
  color: #FFFFFF;
  background: #FF7700;
  padding: 2rem 4rem;
  border-radius: 1rem;
  text-align: center;
  display: inline-block;
  width: 100%;
  box-sizing: border-box;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4.8rem;
  max-width: 1170px;
  margin: 0 auto 15rem;
}

.achievement-card {
  position: relative;
}

.achievement-image {
  width: 100%;
  height: 35.8rem;
  border-radius: 0.8rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.achievement-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.area-section {
  background: repeating-linear-gradient(-45deg, #f5f2e9 0px, #f5f2e9 5px, #fff 5px, #fff 10px);
}

.area-content {
  text-align: center;
}

.area-map {
  width: 100%;
  max-height: 71.149rem;
  margin-bottom: 3.2rem;
  overflow: hidden;
  border-radius: 0.8rem;
}

.area-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.area-text {
  font-size: 2.8rem;
  font-weight: 400;
  line-height: 1.29;
}

/* ===================================
  Section 06: 施工事例
  =================================== */
.case-study-section {
  background: var(--bg-white);
}

.case-study-wrapper {
  display: flex;
  gap: 8rem;
  align-items: flex-start;
}

.case-study-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.case-tag-wrapper {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.case-tag {
  display: inline-block;
  background: var(--bg-gray);
  padding: 0.4rem 0.8rem;
  border-radius: 0.4rem;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.5;
}

.case-meta {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.5;
}

.case-title {
  font-size: 2.4rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.case-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.4rem 0 0;
}

.case-label {
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.5;
  margin-top: 1.6rem;
}

.case-detail {
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.5;
}

.case-list {
  padding-left: 2rem;
}

.case-list li {
  font-size: 1.4rem;
  line-height: 1.5;
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.8rem;
}

.case-list li:before {
  content: "・";
  position: absolute;
  left: 0;
}

/* 導入前の課題ボックス */
.case-challenge-box {
  background: #E3F2F7;
  padding: 2.4rem 3.2rem;
  border-radius: 0.8rem;
  margin: 2rem 0;
}

.case-challenge-title {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 1.6rem;
  color: var(--text-dark);
}

.case-challenge-list {
  padding-left: 0;
  list-style: none;
}

.case-challenge-list li {
  font-size: 1.6rem;
  line-height: 1.5;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.2rem;
  color: var(--text-dark);
}

.case-challenge-list li:last-child {
  margin-bottom: 0;
}

.case-challenge-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4CAF50;
  font-weight: 700;
  font-size: 1.8rem;
}

/* 導入後のお客様の声ボックス */
.case-voice-box {
  background: #FFF4E6;
  padding: 2.4rem 3.2rem;
  border-radius: 0.8rem;
  margin: 2rem 0;
}

.case-voice-title {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 1.6rem;
  color: var(--text-dark);
}

.case-voice-list {
  padding-left: 0;
  list-style: none;
}

.case-voice-list li {
  font-size: 1.6rem;
  line-height: 1.5;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.2rem;
  color: var(--text-dark);
}

.case-voice-list li:last-child {
  margin-bottom: 0;
}

.case-voice-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #FF7700;
  font-weight: 700;
  font-size: 1.8rem;
}

.case-results {
  display: flex;
  gap: 2rem;
}

.case-result-card {
  background: var(--bg-gray);
  padding: 2rem;
  border-radius: 0.8rem;
  flex: 1;
  text-align: center;
}

.result-label {
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.33;
  letter-spacing: 0.033em;
  margin-bottom: 0.8rem;
}

.result-value {
  font-size: 2.2rem;
  font-weight: 500;
  line-height: 1.27;
  color: var(--primary-color);
}

.result-unit {
  font-size: 1.2rem;
  font-weight: 400;
  margin-left: 0.4rem;
}

.case-study-image {
  flex: 1;
  max-width: 67rem;
}

.case-study-image img {
  width: 100%;
  height: 45rem;
  object-fit: cover;
  border-radius: 0.8rem;
}

/* ===================================
  Section 07: 補助金
  =================================== */
.subsidy-section {
  background: var(--bg-white);
}

/* 補助金セクション専用の緑色スタイル */
.subsidy-section .tabs-heading-why {
  color: #4CAF50;
}

.subsidy-section .tab-item-why {
  border-bottom: 0.2rem solid #4CAF50;
}

.subsidy-section .tab-number {
  color: #4CAF50;
}

.subsidy-list-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
}

.subsidy-cards {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.subsidy-card {
  background: var(--bg-gray);
  padding: 60px 40px;
  border-radius: 40px;
  text-align: center;
}

.subsidy-card-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
}

.subsidy-card-text {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 16px;
}

.subsidy-note {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-medium);
}

/* ===================================
  ページトップに戻るボタン
  =================================== */
.page-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 60px;
  height: 60px;
  background: #000000;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-top:hover {
  background: #333333;
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-top.show {
  opacity: 1;
  visibility: visible;
}

.page-top svg {
  width: 24px;
  height: 24px;
}

/* ===================================
  追尾CTAボタン
  =================================== */
.floating-cta {
  position: fixed;
  top: 50%;
  right: -300px;
  transform: translateY(-50%);
  z-index: 998;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-cta.show {
  right: 0;
}

.floating-cta-btn {
  display: block;
  background: #4CAF50;
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 700;
  padding: 30px 20px;
  text-decoration: none;
  border-radius: 8px 0 0 8px;
  box-shadow: -4px 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  writing-mode: vertical-rl;
  white-space: nowrap;
}

.floating-cta-btn:hover {
  background: #45a049;
  box-shadow: -6px 6px 16px rgba(0, 0, 0, 0.2);
  transform: translateX(-4px);
}

/* ===================================
  Section 08: CTA
  =================================== */
.cta-section {
  background: #EBF3E5;
  padding: 112px 64px;
  min-height: auto;
  display: flex;
  align-items: center;
}

.cta-card {
  background: #EBF3E5;
  border: none;
  border-radius: 8px;
  padding: 0 64px 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.cta-content {
  background: transparent;
  border-radius: 8px;
  padding: 0;
  text-align: center;
  position: relative;
  width: 100%;
}

.cta-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text-dark);
}

.cta-subtitle {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.29;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.cta-note {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-medium);
}

.btn-cta-green {
  background: #4CAF50;
  border-color: #4CAF50;
  color: var(--bg-white);
  font-size: 32px;
  padding: 30px 60px;
  min-width: 480px;
  line-height: 1.25;
  border-radius: 8px;
}

.btn-cta-green:hover {
  background: #45a049;
  border-color: #45a049;
  transform: translateY(-2px);
}

.cta-divider {
  width: 100%;
  max-width: 860px;
  height: 1px;
  background: #CCCCCC;
  margin: 20px 0;
}

.cta-phone {
  text-align: center;
}

.phone-label {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.29;
  margin-bottom: 24px;
  color: var(--text-dark);
}

.phone-number-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

.phone-icon {
  width: 48px;
  height: 48px;
  color: #4CAF50;
}

.phone-number {
  font-size: 57px;
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.0044em;
  color: #4CAF50;
  margin: 0;
}

.phone-note {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-medium);
}

/* ===================================
  Footer
  =================================== */
.footer {
  padding-top: 4rem;
  padding-bottom: 2rem;
  background: #fff;
}

.footer .inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 64px;
}

.footer-top {
  padding-bottom: 2rem;
  border-bottom: 0.1rem solid #707070;
}

.footer-top__inner {
  width: 100%;
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.footer-logo {
  width: 28rem;
}

.footer-logo__logo {
  display: block;
}

.footer-logo a {
  display: block;
}

.footer-logo img {
  width: 100%;
}

.footer-sbt {
  width: 11rem;
}

.footer-sbt img {
  width: 100%;
}

.footer-rl {
  width: 5.5rem;
}

.footer-rl img {
  width: 100%;
}

.footer-daikin {
  width: 22rem;
}

.footer-daikin img {
  width: 100%;
}

.footer-middle {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-around;
  gap: 4rem;
}

.footer-middle-data {
  flex: 1;
  color: #000000;
}

.footer-middle-data__title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-middledata__address {
  font-size: 1.4rem;
  line-height: 1.6;
}

.footer-bottom {
  width: 100%;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom .corporatelink {
  font-size: 1.4rem;
  display: flex;
  gap: 2rem;
}

.footer-policy a {
  color: #000000;
  text-decoration: underline;
}

.footer-corporate a {
  color: #000000;
  text-decoration: underline;
}

.footer-copyright {
  font-size: 1.2rem;
  color: #000000;
}

/* ===================================
  レスポンシブデザイン
  =================================== */

/* デスクトップ標準 (1440px以下) */
@media (max-width: 1440px) {
  .container {
    padding: 0 4rem;
  }
  
  .container-narrow {
    padding: 0 3rem;
  }
  
  .section {
    padding: 12rem 4rem;
  }
  
  .section-title {
    font-size: 4rem;
  }
  
  .section-subtitle {
    font-size: 2.4rem;
  }
  
  .section-footer {
    font-size: 2.8rem;
  }
  
  .tabs-wrapper {
    gap: 6rem;
  }
  
  .tabs-image {
    height: 45rem;
  }
  
  .tabs-heading {
    font-size: 2.8rem;
  }
  
  .tab-title {
    font-size: 2.8rem;
  }
  
  .process-title {
    font-size: 2.8rem;
  }
  
  /* ステップヘッダーレスポンシブ */
  .process-icon-circle {
    width: 7rem;
    height: 7rem;
  }
  
  .process-icon {
    width: 3.5rem;
    height: 3.5rem;
  }
  
  .process-step-number {
    width: 2.8rem;
    height: 2.8rem;
    font-size: 1.4rem;
  }
  
  .process-step-label {
    font-size: 1.4rem;
  }
  
  .process-step-title {
    font-size: 1.8rem;
  }
  
  .process-step {
    font-size: 2rem;
  }
  
  .strength-title {
  font-size: 2.8rem;
  }
  
  .strength-badge {
  font-size: 2.4rem;
      padding: 1.8rem 3rem;
  }
  
  .case-study-wrapper {
    gap: 6rem;
  }
  
  .case-study-image img {
    height: 40rem;
  }
  
  .cta-section {
    padding: 10rem 4rem;
    min-height: auto;
  }
  
  .cta-card {
    padding: 0 4rem 4rem;
    gap: 5rem;
  }
  
  .cta-content {
    padding: 0;
  }
  
  .cta-title {
    font-size: 4rem;
  }
  
  .cta-subtitle {
    font-size: 2.4rem;
  }
  
  .btn-cta-green {
    font-size: 2.8rem;
    padding: 2.5rem 5rem;
    min-width: 40rem;
  }
  
  .phone-label {
    font-size: 2.4rem;
  }
  
  .phone-icon {
    width: 4rem;
    height: 4rem;
  }
  
  .phone-number {
    font-size: 4.8rem;
  }
}

/* タブレット (1024px以下) */
@media (max-width: 1024px) {
  .container {
      padding: 0 40px;
  }
  
  .container-narrow {
      padding: 0 32px;
  }
  
  .section {
      padding: 100px 40px;
  }
  
  .section-title {
      font-size: 40px;
  }
  
  .section-subtitle {
      font-size: 24px;
  }
  
  /* 吹き出しレスポンシブ */
  .speech-bubbles {
    gap: 2rem;
  }
  
  .speech-bubble {
    min-width: 22rem;
    padding: 2.5rem 3rem;
  }
  
  .speech-bubble p {
    font-size: 2rem;
  }
  
  .section-title-main {
    font-size: 4rem;
  }
  
  /* Section 03レスポンシブ */
  .section-title-why {
    font-size: 4rem;
  }
  
  .section-description-why {
    font-size: 1.6rem;
  }
  
  .tabs-heading-why {
    font-size: 2.8rem;
  }
  
  .tab-number {
    font-size: 1.8rem;
  }
  
  .tab-title-why {
    font-size: 2rem;
  }
  
  .tab-text-why {
    font-size: 1.4rem;
  }
  
  /* Section 04レスポンシブ */
  .section-title-solution {
    font-size: 4rem;
  }
  
  .three-col-grid {
      grid-template-columns: 1fr;
      gap: 40px;
  }
  
  /* ページトップボタン - タブレット */
  .page-top {
    bottom: 90px;
  }
  
  .strength-card {
    padding: 4rem 3rem;
  }
  
  .tabs-wrapper {
      flex-direction: column;
      gap: 60px;
  }
  
  .tabs-content {
      order: 2;
  }
  
  .tabs-menu {
      order: 1;
  }
  
  .achievements-grid {
      grid-template-columns: 1fr;
      gap: 40px;
  }
  
  .case-study-wrapper {
      flex-direction: column;
      gap: 40px;
  }
  
  .case-study-image {
      max-width: 100%;
  }
  
  .btn-cta {
      min-width: auto;
      font-size: 24px;
      padding: 24px 40px;
  }
  
  .btn-cta-green {
      min-width: auto;
      font-size: 24px;
      padding: 24px 40px;
  }
  
  /* 追尾CTAボタン - タブレット */
  .floating-cta {
    top: auto;
    bottom: -100px;
    right: 0;
    left: 0;
    transform: none;
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .floating-cta.show {
    bottom: 0;
    right: 0;
  }
  
  .floating-cta-btn {
    width: 100%;
    border-radius: 0;
    font-size: 18px;
    padding: 18px 30px;
    text-align: center;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    writing-mode: horizontal-tb;
  }
  
  .floating-cta-btn:hover {
    transform: none;
    box-shadow: 0 -6px 16px rgba(0, 0, 0, 0.2);
  }
}

/* モバイル (768px以下) */
@media (max-width: 768px) {
  .container {
      padding: 0 24px;
  }
  
  .container-narrow {
      padding: 0 24px;
  }
  
  .section {
      padding: 80px 24px;
  }
  
  .section-title {
      font-size: 32px;
  }
  
  .section-subtitle {
      font-size: 20px;
  }
  
  .section-footer {
  font-size: 24px;
  }
  
  .strength-card {
    padding: 3rem 2rem;
    border-radius: 3rem;
  }
  
  /* 吹き出しモバイル対応 */
  .speech-bubbles {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    margin-bottom: 3rem;
  }
  
  .speech-bubble {
    min-width: auto;
    width: 100%;
    max-width: 32rem;
    padding: 2rem 3rem;
  }
  
  .speech-bubble p {
    font-size: 1.8rem;
  }
  
  .section-title-main {
    font-size: 2.8rem;
  }
  
  /* Section 03モバイル対応 */
  .header-line {
    width: 10rem;
    margin-bottom: 2rem;
  }
  
  .section-title-why {
    font-size: 2.8rem;
  }
  
  .section-description-why {
    font-size: 1.4rem;
  }
  
  .tabs-heading-why {
    font-size: 2.4rem;
    text-align: center;
  }
  
  .tab-number {
    font-size: 1.6rem;
  }
  
  .tab-title-why {
    font-size: 1.8rem;
  }
  
  .tab-text-why {
    font-size: 1.4rem;
  }
  
  /* Section 04モバイル対応 */
  .section-title-solution {
    font-size: 2.8rem;
  }
  
  /* ナビゲーション */
  .navbar-content {
      height: 64px;
  }
  
  .navbar-logo .logo {
      height: 40px;
  }
  
  .navbar-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    padding: 24px;
    flex-direction: column;
    gap: 24px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 999;
  }
  
  .navbar-menu.active {
    transform: translateX(0);
  }
  
  .nav-links {
    flex-direction: column;
    gap: 20px;
    width: 100%;
  }
  
  .nav-links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .navbar .btn-secondary {
    width: 100%;
    text-align: center;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  /* ボタン */
  .btn-large {
    font-size: 16px;
    padding: 12px 24px;
    min-width: auto;
    width: 100%;
  }
  
  .btn-cta {
    font-size: 20px;
    padding: 20px 30px;
    min-width: auto;
    width: 100%;
  }
  
  .btn-cta-sub {
    font-size: 14px;
  }
  
  /* タブ */
  .tabs-heading {
    font-size: 24px;
  }
  
  .tab-title {
    font-size: 20px;
  }
  
  .tab-text,
  .tab-list li {
    font-size: 14px;
  }
  
  /* 強み */
  .process-title {
    font-size: 24px;
  }
  
  /* ステップヘッダーモバイル */
  .process-step-header {
    margin-bottom: 2.4rem;
  }
  
  .process-icon-circle {
    width: 6rem;
    height: 6rem;
  }
  
  .process-icon {
    width: 3rem;
    height: 3rem;
  }
  
  .process-step-number {
    width: 2.4rem;
    height: 2.4rem;
    font-size: 1.2rem;
    border-width: 0.15rem;
  }
  
  .process-step-label {
    font-size: 1.2rem;
  }
  
  .process-step-title {
    font-size: 1.6rem;
  }
  
  .process-step {
    font-size: 20px;
  }
  
  .strength-title {
    font-size: 24px;
  }
  
  .strength-list li {
    font-size: 1.4rem;
    padding-left: 2.5rem;
  }
  
  .strength-list li:before {
    font-size: 1.6rem;
  }
  
  .strength-description {
    font-size: 1.4rem;
    padding-left: 2.5rem;
  }
  
  .strength-description:before {
    font-size: 1.6rem;
  }
  
  .strength-badge {
      font-size: 20px;
      padding: 1.5rem 2rem;
  }
  
  .subsidy-list-title {
      font-size: 24px;
  }
  
  .subsidy-card-title {
    font-size: 24px;
  }

  .tabs-image {
    height: auto;
  }
  
  /* CTA */
  .cta-section {
    padding: 80px 24px;
    min-height: auto;
  }
  
  .cta-card {
    padding: 0 24px 40px;
    gap: 40px;
  }
  
  .cta-content {
    padding: 0;
  }
  
  .cta-title {
    font-size: 28px;
  }
  
  .cta-subtitle {
    font-size: 20px;
  }
  
  .btn-cta-green {
    font-size: 20px;
    padding: 20px 30px;
    min-width: auto;
    width: 100%;
  }
  
  .cta-divider {
    margin: 30px 0;
  }
  
  .phone-label {
    font-size: 20px;
  }
  
  .phone-icon {
    width: 32px;
    height: 32px;
  }
  
  .phone-number {
    font-size: 36px;
  }
  
  /* ページトップボタン - モバイル */
  .page-top {
    bottom: 90px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
  
  .page-top svg {
    width: 20px;
    height: 20px;
  }
  
  /* 追尾CTAボタン - モバイル */
  .floating-cta {
    top: auto;
    bottom: -100px;
    right: 0;
    left: 0;
    transform: none;
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .floating-cta.show {
    bottom: 0;
    right: 0;
  }
  
  .floating-cta-btn {
    width: 100%;
    border-radius: 0;
    font-size: 16px;
    padding: 16px 20px;
    text-align: center;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    writing-mode: horizontal-tb;
  }
  
  .floating-cta-btn:hover {
    transform: none;
    box-shadow: 0 -6px 16px rgba(0, 0, 0, 0.2);
  }
  
  /* 施工事例 */
  .case-results {
    flex-direction: column;
  }
  
  /* 導入前の課題ボックス - モバイル */
  .case-challenge-box {
    padding: 2rem 2.4rem;
  }
  
  .case-challenge-title {
    font-size: 1.4rem;
  }
  
  .case-challenge-list li {
    font-size: 1.4rem;
    padding-left: 2.5rem;
  }
  
  .case-challenge-list li:before {
    font-size: 1.6rem;
  }
  
  /* 導入後のお客様の声ボックス - モバイル */
  .case-voice-box {
    padding: 2rem 2.4rem;
  }
  
  .case-voice-title {
    font-size: 1.4rem;
  }
  
  .case-voice-list li {
    font-size: 1.4rem;
    padding-left: 2.5rem;
  }
  
  .case-voice-list li:before {
    font-size: 1.6rem;
  }
  
  /* フッター */
  .footer {
    padding-top: 3rem;
    padding-bottom: 2rem;
  }
  
  .footer .inner {
    padding: 0 24px;
  }
  
  .footer-top {
    padding-bottom: 2rem;
    border-bottom: 1px solid #707070;
  }
  
  .footer-top__inner {
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .footer-logo {
    width: 20rem;
  }
  
  .footer-sbt {
    width: 8rem;
  }
  
  .footer-rl {
    width: 4rem;
  }
  
  .footer-daikin {
    width: 16rem;
  }
  
  .footer-middle {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .footer-middle-data__title {
    font-size: 1.4rem;
  }
  
  .footer-middledata__address {
    font-size: 1.2rem;
  }
  
  .footer-bottom {
    padding-top: 2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  
  .footer-bottom .corporatelink {
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .footer-policy a,
  .footer-corporate a {
    font-size: 1.2rem;
  }
  
  .footer-copyright {
    font-size: 1rem;
  }
}

/* 小さいモバイル (480px以下) */
@media (max-width: 480px) {
  .section-title {
    font-size: 28px;
  }
  
  .cta-title {
    font-size: 24px;
  }
  
  .phone-number {
    font-size: 28px;
  }
}