/* ==========================================================================
   1. グローバル設定 & 基本スタイル
   ========================================================================== */

/* --- 1.1 CSS変数 --- */
:root {
  /* Light Theme Colors */
  --bg-light: #ffffff;
  --bg-soft: #f8f9fa;
  --text-dark: #3c4858;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --header-bg: rgba(255, 255, 255, 0.7);
  --header-text: #3c4858;
  --header-border: #dee2e6;

  /* Dark Theme Colors */
  --bg-dark-primary: #252e3a;
  --bg-dark-secondary: #1e252e;
  --bg-dark-card: #3c4858;
  --text-light: #f8f9fa;
  --text-light-muted: #adb5bd;
  --border-dark: #495057;
  --header-bg-dark: rgba(30, 37, 46, 0.7);
  --header-border-dark: #495057;

  /* Global Colors */
  --primary-blue: #2d8cff;
  --primary-blue-rgb: 45, 140, 255;
  --primary-blue-hover: #006ae6;
  --accent-yellow: #ffc107;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Layout Variables */
  --header-height: 80px;
  --radius-medium: 12px;
  --radius-large: 16px;
}

/* --- 1.2 基本設定 (html, body) --- */
html {
  font-size: 20px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: "M PLUS Rounded 1c", sans-serif;
  background: var(--bg-soft);
  color: var(--text-dark);
  line-height: 1.8;
  overflow-x: hidden;
  font-size: 1rem;
  position: relative;
  transition: background-color 0.6s ease, color 0.6s ease;
}

/* スマートフォン表示用の改行 */
.sp-br {
  display: none;
}

/* --- 1.3 インタラクティブ背景 --- */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(var(--primary-blue-rgb), 0.1),
    transparent 80%
  );
  z-index: -1;
  pointer-events: none;
  transition: background 0.2s ease-out;
}

/* --- 1.4 Google Fonts Icons 基本スタイル --- */
.material-symbols-rounded {
  font-family: "Material Symbols Rounded";
  font-weight: normal;
  font-style: normal;
  font-size: 1.2rem;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

/* ==========================================================================
   2. 共通ユーティリティクラス & セクションテーマ
   ========================================================================== */

/* --- 2.1 コンテナ & セクションタイトル --- */
.container {
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 0;
}

/* 追加: コンテナ幅のバリエーション */
.container-medium {
  max-width: 1100px;
}
.container-narrow {
  max-width: 900px;
}

.full-container {
  width: 100%;
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 950px;
  margin: 0 auto;
  transition: color 0.6s ease;
}

/* --- 2.2 テキストハイライト --- */
.highlight-blue {
  color: var(--primary-blue);
}

.highlight-yellow {
  background: linear-gradient(transparent 75%, #a3c8ff 75%);
}

/* --- 2.3 セクション背景 --- */
.section-light {
  background-color: var(--bg-light);
  transition: background-color 0.6s ease;
}
.section-soft {
  background-color: var(--bg-soft);
  transition: background-color 0.6s ease;
}

/* --- 2.4 ダークテーマ --- */
body.dark-theme {
  --bg-light: var(--bg-dark-primary);
  --bg-soft: var(--bg-dark-secondary);
  --text-dark: var(--text-light);
  --text-muted: var(--text-light-muted);
  --border-color: var(--border-dark);
  --header-bg: var(--header-bg-dark);
  --header-text: var(--text-light);
  --header-border: var(--header-border-dark);
}

body.dark-theme .site-header .hamburger-line {
  background-color: var(--text-light);
}

body.dark-theme #problems .section-title p,
body.dark-theme #comparison .section-title p {
  color: var(--text-light-muted);
}

body.dark-theme #problems .problem-card {
  background-color: var(--bg-dark-card);
  border-color: var(--border-dark);
}

body.dark-theme #problems .problem-card h3 {
  color: var(--text-light);
}

body.dark-theme #problems .problem-card p {
  color: var(--text-light-muted);
}

body.dark-theme .swiper-button-prev,
body.dark-theme .swiper-button-next {
  color: var(--text-light);
}

body.dark-theme .swiper-pagination-bullet {
  background-color: var(--border-dark);
}

body.dark-theme .swiper-pagination-bullet-active {
  background-color: var(--primary-blue);
}

body.dark-theme .header-logo img {
  filter: invert(1) hue-rotate(180deg);
}

/* ==========================================================================
   3. サイトコンポーネント (HTML出現順)
   ========================================================================== */

/* --- 3.1 ヘッダー --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4%;
  background-color: transparent;
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease,
    border-bottom 0.3s ease;
  color: var(--header-text);
}
.site-header.scrolled {
  background-color: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--header-border);
  box-shadow: none;
}
.header-logo a {
  font-size: 1.5rem;
  font-weight: 800;
}
.desktop-nav {
  display: none;
}
.desktop-nav ul {
  display: flex;
  gap: 2rem;
}
.desktop-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 5px;
  transition: color 0.3s ease;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-blue);
  transition: width 0.3s ease;
}
.desktop-nav a:hover {
  color: var(--primary-blue);
}
.desktop-nav a:hover::after {
  width: 100%;
}
.header-cta a {
  background-color: var(--primary-blue);
  color: white;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
}
.header-cta a:hover {
  background-color: #006ae6;
  transform: translateY(-2px);
}
.header-cta a::after {
  height: 0;
}
.hamburger-button {
  display: block;
  z-index: 1001;
}
.hamburger-button .hamburger-line {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 6px 0;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.6s ease;
}
.mobile-menu.open .hamburger-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.mobile-menu.open .hamburger-line:nth-child(2) {
  opacity: 0;
}
.mobile-menu.open .hamburger-line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.mobile-menu.open .mobile-nav {
  transform: translateX(0);
}
.mobile-nav ul {
  text-align: center;
}
.mobile-nav li {
  margin-bottom: 2.5rem;
}
.mobile-nav a {
  font-size: 1.5rem;
  font-weight: 800;
}
.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
  z-index: 1002; /* ハンバーガーボタンより手前に表示 */
}
.mobile-nav-close .material-symbols-rounded {
  font-size: 36px;
  color: var(--text-dark);
}

/* --- 3.2 ヒーローセクション --- */
.hero {
  padding: calc(var(--header-height) + 120px) 4% 120px;
  text-align: center;
}
.hero-container {
  max-width: 100%;
  margin: 0 auto;
}
.main-title {
  font-size: clamp(2rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 2rem;
  letter-spacing: -0.05em;
}
.typing-container {
  font-size: clamp(2rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--primary-blue);
  position: relative;
  display: inline;
}
.typing-container::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.1em;
  width: 100%;
  height: 6px;
  background-color: var(--accent-yellow);
  z-index: -1;
}
.typing-cursor {
  display: inline-block;
  width: 5px;
  height: 1em;
  background-color: var(--primary-blue);
  animation: blink 0.8s infinite;
  vertical-align: bottom;
  margin-left: 4px;
  border-radius: 2px;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
.sub-text {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 3.5rem;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-muted);
}
.hero-form-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.7);
  padding: 1rem;
  border-radius: var(--radius-large);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 30px rgba(17, 24, 39, 0.08);
}
.hero-form-wrapper input[type="email"] {
  flex-grow: 1;
  padding: 18px 20px;
  border: none;
  background: transparent;
  font-size: 1rem;
}
.hero-form-wrapper input[type="email"]:focus {
  outline: none;
}
.hero-form-wrapper .form-submit-button {
  padding: 16px 32px;
  background-color: var(--primary-blue);
  color: white;
  border-radius: var(--radius-medium);
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(var(--primary-blue-rgb), 0.2);
}
.hero-form-wrapper .form-submit-button:hover {
  background-color: var(--primary-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(var(--primary-blue-rgb), 0.25);
}
.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

/* --- 3.3 ポップアップモーダル (フォーム) --- */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 24, 39, 0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.popup-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}
.popup-content {
  background-color: white;
  padding: 40px;
  border-radius: var(--radius-large);
  width: 90%;
  max-width: 600px;
  transform: translateY(20px) scale(0.98);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1),
    opacity 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  max-height: 95vh;
  overflow-y: auto;
}
.popup-overlay.is-visible .popup-content {
  transform: translateY(0) scale(1);
  opacity: 1;
}
.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.popup-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
}
.popup-close-icon {
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.3s ease, transform 0.3s ease;
}
.popup-close-icon:hover {
  color: var(--text-dark);
  transform: rotate(90deg);
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-dark);
}
.form-group label .required,
.form-group label .optional {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: bold;
  border-radius: 4px;
}
.form-group label .required {
  background-color: #fee2e2;
  color: #b91c1c;
}
.form-group label .optional {
  background-color: #eef2ff;
  color: var(--primary-blue);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  background-color: var(--bg-soft);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9ca3af;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(var(--primary-blue-rgb), 0.2);
}
.form-group textarea {
  min-height: 120px;
  resize: vertical;
}
#contact-form .form-submit-button {
  width: 100%;
  padding: 16px;
  background-color: var(--primary-blue);
  color: white;
  border-radius: var(--radius-medium);
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-top: 1rem;
}
#contact-form .form-submit-button:hover {
  background-color: var(--primary-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(var(--primary-blue-rgb), 0.2);
}
.result-popup-content {
  text-align: center;
}
.popup-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 20px;
  font-size: 3.5rem;
}
.popup-icon-success {
  color: var(--color-success);
}
.popup-icon-error {
  color: var(--color-error);
}
.result-popup-content .popup-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.popup-message {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: 1rem;
}
.popup-close-btn {
  background-color: var(--primary-blue);
  color: white;
  padding: 12px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: background-color 0.3s ease;
}
.popup-close-btn:hover {
  background-color: var(--primary-blue-hover);
}

/* --- 3.4 現状セクション --- */
.urgency-content {
  display: flex;
  align-items: center;
  gap: 4rem;
  flex-direction: column;
}
.urgency-text,
.urgency-graph {
  width: 100%;
}
.urgency-text {
  flex: 1.2;
}
.urgency-graph {
  flex: 1;
  text-align: center;
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 16px;
  background: var(--bg-light);
}
.urgency-text p {
  font-size: 1rem;
  color: var(--text-dark);
  line-height: 1.8;
}
.urgency-graph h3 {
  font-size: 1.6rem;
  color: var(--text-dark);
  margin-bottom: 3rem;
  font-weight: 800;
}
.source-text {
  text-align: right;
  margin-top: 2rem;
  font-size: 0.8rem;
  color: #9ca3af;
}
.graph-bar-container {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 1.5rem;
  height: 250px;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}
.graph-bar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-basis: 90px;
  justify-content: flex-end;
}
.graph-bar {
  width: 100%;
  border-radius: 8px 8px 0 0;
  position: relative;
  animation: bar-rise 1.5s cubic-bezier(0.25, 1, 0.5, 1);
  transform-origin: bottom;
}
@keyframes bar-rise {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}
.graph-bar span {
  position: absolute;
  top: -2.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.3rem;
  font-weight: bold;
  color: #3c4858; /* --text-dark */
  opacity: 0;
  animation: fade-in 0.5s 1s forwards;
}
@keyframes fade-in {
  to {
    opacity: 1;
  }
}
.graph-label {
  margin-top: 1rem;
  color: #6c757d; /* --text-muted */
  font-weight: 500;
}
.bar-2023 {
  background: linear-gradient(180deg, #e5e7eb 0%, #d1d5db 100%);
}
.bar-2024 {
  background: linear-gradient(180deg, #93c5fd 0%, #60a5fa 100%);
}
.bar-2025 {
  background: linear-gradient(180deg, #60a5fa 0%, #2d8cff 100%);
}
.graph-increase-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  align-self: center;
  color: #10b981;
  font-weight: bold;
  font-size: 1.1rem;
  padding-bottom: 1rem;
}
.graph-increase-arrow svg {
  width: 80px;
  height: 80px;
  margin-bottom: 0.25rem;
  animation: arrow-bounce 1.2s infinite alternate ease-in-out;
  overflow: visible;
}
/* @keyframes arrow-bounce {
  from {
    transform: translateY(4px);
  }
  to {
    transform: translateY(-4px);
  }
} */
/* --- レスポンシブ --- */
@media (min-width: 992px) {
  .urgency-content {
    flex-direction: row;
  }
}
@media (max-width: 640px) {
  .graph-bar-container {
    gap: 0.5rem;
  }
  .graph-bar-wrapper {
    flex-basis: 60px;
  }
  .graph-increase-arrow svg {
    width: 50px;
    height: 50px;
  }
  .graph-increase-arrow {
    font-size: 0.8rem;
  }
  .graph-bar span {
    font-size: 1rem;
  }
}

/* --- 3.5 悩みセクション (カルーセル) --- */
.problems-slider.swiper {
  padding: 40px 80px; /* 左右の矢印スペース確保 */
  margin: 0 auto;
}
.problems-slider .swiper-wrapper {
  align-items: stretch;
}
.problems-slider .swiper-slide.problem-card {
  width: 90%;
  max-width: 400px;
  height: auto;
}
.problem-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s, background-color 0.6s ease,
    border-color 0.6s ease;
  display: flex;
  flex-direction: column;
}
.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.problem-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.problem-icon-wrapper {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.problem-icon-wrapper .material-symbols-rounded {
  font-size: 1.4rem;
}
.icon-red {
  background-color: #fee2e2;
  color: #ef4444;
}
.icon-yellow {
  background-color: #fef9c3;
  color: #eab308;
}
.icon-green {
  background-color: #dcfce7;
  color: #22c55e;
}
.icon-brown {
  background-color: #efebe9;
  color: #795548;
}
.icon-pink {
  background-color: #fce7f3;
  color: #ec4899;
}
.problem-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.6;
  margin-top: 2px;
  transition: color 0.6s ease;
}
.problem-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  flex-grow: 1;
  transition: color 0.6s ease;
}
.problems-slider .swiper-button-prev,
.problems-slider .swiper-button-next {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--primary-blue);
  transition: all 0.3s ease;
  top: 50%;
  transform: translateY(-50%);
}
.problems-slider .swiper-button-prev {
  left: 15px;
}
.problems-slider .swiper-button-next {
  right: 15px;
}
.problems-slider .swiper-button-prev::after,
.problems-slider .swiper-button-next::after {
  font-size: 1.5rem;
  font-weight: 900;
}
.problems-slider .swiper-pagination {
  bottom: 0;
  padding-top: 20px;
}
.problems-slider .swiper-pagination-bullet {
  background-color: #ccc;
  opacity: 1;
  transition: background-color 0.3s ease, transform 0.3s ease;
}
.problems-slider .swiper-pagination-bullet-active {
  background-color: var(--primary-blue);
  transform: scale(1.2);
}

/* --- 3.6 マージされたセクション (私たちについて & 強み) --- */
.features-intro {
  text-align: center;
  margin-top: 80px;
}
.features-intro h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 40px;
}

.whyus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}
.whyus-card {
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--bg-light);
  transition: transform 0.3s, box-shadow 0.3s;
}
.whyus-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.whyus-card-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary-blue);
  opacity: 0.5;
}
.whyus-card h3 {
  font-size: 1.6rem;
  margin: 1rem 0;
  font-weight: 800;
}
.whyus-card p {
  font-size: 1rem;
}

/* --- 3.7 CTAセクション --- */
#contact .cta-final {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--primary-blue);
  color: white;
  padding: 20px 40px;
  font-size: 1.2rem;
  font-weight: 800;
  border-radius: 50px;
  box-shadow: 0 10px 20px rgba(45, 140, 255, 0.2);
  transition: all 0.3s ease;
  margin-top: 1.5rem;
}
#contact .cta-final:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(45, 140, 255, 0.3);
}

/* --- 3.8 メリットセクション --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}
.benefit-card {
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-light);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}
.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.benefit-card-icon {
  color: var(--primary-blue);
  background-color: #dbeafe;
  border-radius: 12px;
  width: 2.8rem;
  height: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.benefit-card-icon .material-symbols-rounded {
  font-size: 1.6rem;
}
.benefit-card h3 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  font-weight: 800;
}
.benefit-card p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 1rem;
}

/* --- 3.9 活用例セクション --- */
.usecase-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.usecase-item {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 2.5rem;
  border-radius: var(--radius-large);
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}
.usecase-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.usecase-item--reverse {
  flex-direction: row-reverse;
}
.usecase-image,
.usecase-text {
  flex: 1;
  min-width: 0;
}
.usecase-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-medium);
}
.usecase-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--primary-blue);
}
.usecase-text p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* --- ▼▼▼ ここから修正 ▼▼▼ --- */
.other-usecases-tabbed {
  margin-top: 5rem;
  text-align: center;
}
.other-usecases-tabbed h3 {
  font-size: 1.8rem;
  font-weight: 800;
}
.usecase-sub-description {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 1.1rem;
}
.usecase-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.usecase-tab-btn {
  padding: 15px 28px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-light);
  color: var(--text-muted);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
.usecase-tab-btn:hover {
  background-color: #eef2ff;
  color: var(--primary-blue);
}
.usecase-tab-btn.active {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
  box-shadow: 0 5px 15px rgba(var(--primary-blue-rgb), 0.2);
}
.usecase-panel {
  display: none;
}
.usecase-panel.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3列レイアウトに変更 */
  gap: 1.5rem;
  background-color: var(--bg-light);
  padding: 2.5rem;
  border-radius: var(--radius-large);
  border: 1px solid var(--border-color);
}
.usecase-card {
  border: 1px solid var(--border-color);
  padding: 1rem; /* パディング調整 */
  border-radius: 50px;
  display: flex;
  align-items: center; /* 縦方向中央揃え */
  text-align: left; /* テキスト左揃え */
  gap: 1rem; /* アイコンとテキストの間隔 */
  transition: all 0.3s ease;
}
.usecase-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  border-color: var(--border-color);
}
.usecase-card .material-symbols-rounded {
  font-size: 2rem;
  color: var(--primary-blue);
  background-color: #eef2ff;
  border-radius: 50px;
  padding: 8px;
  flex-shrink: 0;
}
.usecase-card p {
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-dark);
}

/* --- ▼▼▼ ここから修正 ▼▼▼ --- */
/* --- 3.10 自社採用との比較セクション --- */
.comparison-wrapper {
  display: flex;
  justify-content: center;
}
.comparison-card {
  width: 1000px;
  max-width: 100%;
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-light);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: background-color 0.6s ease, border-color 0.6s ease;
}
body.dark-theme #comparison .comparison-card {
  background-color: var(--bg-dark-card);
  border-color: var(--border-dark);
}
.comparison-card h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 1rem;
  transition: color 0.6s ease;
}
body.dark-theme #comparison .comparison-card h3 {
  color: var(--text-light);
}
.comparison-card .price {
  margin-bottom: 0.5rem;
}
.comparison-card .price-prefix {
  font-size: 1.2rem;
  color: var(--text-muted);
  vertical-align: middle;
  margin-right: 0.5rem;
  transition: color 0.6s ease;
}
.comparison-card .price .amount {
  vertical-align: sub;
  font-size: 4rem;
  color: var(--color-error);
  font-weight: 800;
  line-height: 1;
}
.comparison-card .unit {
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-left: 0.25rem;
  transition: color 0.6s ease;
}
.comparison-card .price-description {
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 600;
  transition: color 0.6s ease;
}
body.dark-theme #comparison .comparison-card {
  color: var(--text-light);
}

/* 追加したテキスト用のスタイル */
.comparison-note {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  transition: color 0.6s ease;
}
.comparison-sub-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 1.5rem;
  line-height: 1.7;
  transition: color 0.6s ease;
}

body.dark-theme #comparison .comparison-note {
  color: var(--text-light-muted);
}
body.dark-theme #comparison .comparison-sub-description {
  color: var(--text-light-muted);
}
/* ここまで */

.cost-breakdown {
  background-color: var(--bg-soft);
  padding: 1.5rem;
  border-radius: var(--radius-medium);
  text-align: left;
  transition: background-color 0.6s ease;
}
body.dark-theme #comparison .cost-breakdown {
  background-color: var(--bg-dark-secondary);
}
.cost-breakdown h4 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-weight: 700;
  text-align: center;
  transition: color 0.6s ease;
}
body.dark-theme #comparison .cost-breakdown h4 {
  color: var(--text-light);
}
.cost-breakdown ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 350px;
}
.cost-breakdown li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  color: var(--text-muted);
  transition: color 0.6s ease;
}
.cost-breakdown li:last-child {
  margin-bottom: 0;
}
.cost-breakdown li .material-symbols-rounded {
  color: var(--color-error);
}
body.dark-theme #comparison .source-text {
  color: var(--text-light-muted);
}
/* --- ▲▲▲ ここまで修正 ▲▲▲ --- */

/* --- 3.11 料金セクション --- */
.pricing-grid {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.pricing-card {
  width: 1000px;
  max-width: 100%;
  padding: 2rem;
  border-radius: 16px;
  border: 2px solid var(--border-color);
  background-color: var(--bg-light);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.pricing-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(45, 140, 255, 0.15);
}
.pricing-label {
  display: inline-block;
  background-color: var(--primary-blue);
  color: var(--text-light);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.5;
}
.pricing-card h3 {
  font-size: 2.2rem;
  font-weight: 800;
  text-align: center;
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.pricing-card > p {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.price {
  text-align: center;
}
.price .amount {
  font-size: 4rem;
  color: var(--primary-blue);
  font-weight: 800;
}
.price .unit {
  font-size: 1.2rem;
}
.price-features {
  padding: 0;
  list-style: none;
  width: fit-content;
  margin: 0 auto;
}
.price-features li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}
.price-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 5px;
  color: var(--primary-blue);
  font-weight: bold;
}
.price-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 1rem;
  text-align: center;
}
.initial-fee-in-card {
  text-align: center;
  font-weight: 600;
  color: var(--text-dark);
  background-color: #eef2ff;
  padding: 8px 16px;
  border-radius: 50px;
  display: inline-block;
  border: 1px solid var(--border-color);
  font-size: 1rem;
}

/* --- 3.12 導入フローセクション --- */
.process-wrapper {
  position: relative;
  padding-left: 60px;
  max-width: 900px;
  margin: 0 auto;
}
.process-timeline-line {
  position: absolute;
  left: 20px;
  top: 20px;
  bottom: 20px;
  width: 4px;
  background: #e5e7eb;
  border-radius: 2px;
}
.process-step {
  position: relative;
  margin-bottom: 40px;
}
.process-step:last-child {
  margin-bottom: 0;
}
.process-icon {
  position: absolute;
  left: -58px;
  top: 2.5rem;
  width: 40px;
  height: 40px;
  background-color: var(--bg-soft);
  border: 2px solid var(--primary-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--primary-blue);
  z-index: 2;
}
.process-content-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}
.process-content-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.process-content-card h3 {
  display: flex;
  align-items: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary-blue);
  margin-bottom: 1rem;
}
.process-content-card h3 .material-symbols-rounded {
  margin-right: 0.8rem;
  font-size: 1.4rem;
  font-variation-settings: "wght" 500;
}
.process-content-card p {
  font-size: 1rem;
  color: var(--text-muted);
}

/* --- 3.13 セキュリティ対策セクション --- */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.security-card {
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.security-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.security-card-icon {
  color: var(--primary-blue);
  background-color: #dbeafe;
  border-radius: 50%;
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.security-card-icon .material-symbols-rounded {
  font-size: 2rem;
  font-variation-settings: "FILL" 1;
}

.security-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  font-weight: 800;
}

.security-card p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 1rem;
}

/* --- 3.14 FAQセクション --- */
.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 0;
}
.faq-question {
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.3s ease;
}
.faq-question:hover {
  color: var(--primary-blue);
}
.faq-question::after {
  content: "+";
  font-size: 2rem;
  font-weight: 300;
  color: var(--primary-blue);
  transition: transform 0.3s;
}
.faq-item.active .faq-question {
  color: var(--primary-blue);
}
.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease-out, padding-top 0.4s ease-out;
  padding-top: 0;
  color: var(--text-muted);
}
.faq-answer p {
  font-size: 1rem;
  overflow: hidden;
}
.faq-item.active .faq-answer {
  grid-template-rows: 1fr;
  padding-top: 1.5rem;
}

/* --- 3.15 フッター --- */
.site-footer {
  background-color: var(--text-dark);
  color: var(--bg-soft);
  padding: 80px 0 0;
}
.footer-container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
}
.footer-about .footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  margin-bottom: 1.5rem;
  display: block;
  text-decoration: none; /* company.html/privacy.htmlのスタイル統合 */
}
.footer-about p {
  color: #adb5bd;
  line-height: 1.7;
  font-size: 1rem;
}
.footer-links h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
}
.footer-links ul li {
  margin-bottom: 1rem;
}
.footer-links ul li a {
  color: #adb5bd;
  transition: color 0.3s;
  font-size: 1rem;
  text-decoration: none; /* company.html/privacy.htmlのスタイル統合 */
}
.footer-links ul li a:hover {
  color: white;
}
.footer-bottom {
  border-top: 1px solid #495057;
  padding: 30px 0;
  text-align: center;
  color: #adb5bd;
  font-size: 0.9rem;
}
.footer-bottom a {
  color: #adb5bd;
  margin: 0 10px;
  text-decoration: none; /* company.html/privacy.htmlのスタイル統合 */
}
.footer-bottom a:hover {
  color: white;
}

/* ==========================================================================
   4. レスポンシブスタイル
   ========================================================================== */

@media (min-width: 1279px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .hamburger-button {
    display: none;
  }
  .urgency-content {
    flex-direction: row;
  }
}

@media (max-width: 1024px) {
  .pricing-card {
    width: 100%;
  }
}

@media (max-width: 992px) {
  .urgency-content {
    gap: 2rem;
  }
  .problems-slider.swiper {
    padding: 20px 40px 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 18px;
  }
  .sp-br {
    display: block; /* スマホ表示で改行を有効にする */
  }
  .container,
  .full-container {
    padding-top: 80px;
    padding-bottom: 80px;
  }
  .full-container {
    padding-left: 0;
    padding-right: 0;
  }
  .section-title h2 {
    font-size: 2rem;
  }
  .hero-form-wrapper {
    flex-direction: column;
    background: transparent;
    backdrop-filter: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .hero-form-wrapper input[type="email"] {
    width: 100%;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
  }
  .hero-form-wrapper button {
    width: 100%;
  }
  .problems-slider.swiper {
    padding: 0 0 40px;
  }
  .problems-slider .swiper-slide {
    width: 85%;
    /* margin: 0 7.5%; */
  }
  .problems-slider .swiper-slide:first-child {
    /* margin-left: 20px; */
  }
  .problems-slider .swiper-slide:last-child {
    /* margin-right: 20px; */
  }
  .problems-slider .swiper-button-prev,
  .problems-slider .swiper-button-next {
    display: none;
  }
  .problem-card-header {
    flex-direction: column;
  }

  /* --- ▼▼▼ ここから修正 ▼▼▼ --- */
  .benefits-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .features-intro {
    margin-top: 60px;
  }
  .features-intro h3 {
    font-size: 1.6rem;
    margin-bottom: 30px;
  }

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

  .usecase-item,
  .usecase-item--reverse {
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
  }

  .benefit-card {
    max-width: 100%;
    flex-shrink: 0;
  }

  /* --- ▼▼▼ ここから修正 ▼▼▼ --- */
  .usecase-grid {
    grid-template-columns: 1fr;
    padding: 1.5rem;
    gap: 1rem;
  }
  .usecase-card {
    padding: 0.3rem;
  }
  .usecase-card p {
    font-size: 0.9rem; /* PC版と同じサイズに調整 */
  }
  .usecase-tabs {
    display: grid; /* gridレイアウトに変更 */
    grid-template-columns: 1fr 1fr; /* 2列レイアウト */
    gap: 0.75rem; /* ギャップを少し狭める */
    margin: 5% 5%;
  }
  .usecase-tabs::-webkit-scrollbar {
    display: none; /* Safari and Chrome */
  }
  .usecase-tab-btn {
    width: 100%; /* ボタンの幅を100%に */
    padding: 12px 10px; /* 横パディングを調整してテキストスペースを確保 */
  }
  /* --- ▲▲▲ ここまで修正 ▲▲▲ --- */

  .pricing-grid {
    flex-direction: column;
    align-items: center;
  }
  .pricing-card:hover {
    transform: none;
  }
  /* --- ▼▼▼ ここから修正 ▼▼▼ --- */
  .comparison-card .amount {
    font-size: 3.5rem;
  }
  .comparison-card .unit {
    font-size: 1.2rem;
  }
  .comparison-card {
    padding: 2rem;
  }
  .process-wrapper {
    padding-left: 50px;
  }
  .process-timeline-line {
    left: 15px;
  }
  .process-icon {
    left: -48px;
    width: 30px;
    height: 30px;
    font-size: 1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-about,
  .footer-links {
    margin-bottom: 20px;
  }

  #pricing .price {
    margin-bottom: 1rem;
  }
  #pricing .price .amount {
    font-size: 3.5rem;
  }
  #pricing .price .unit {
    font-size: 1rem;
    line-height: 1.6;
  }
}

/* ==========================================================================
   5. サブページ共通 (Header, Layout)
   ========================================================================== */
/* サブページ用ヘッダー（常に背景あり） */
.site-header.sub-page-header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-bottom: none;
}

body.dark-theme .site-header.sub-page-header {
  background-color: rgba(30, 37, 46, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* サブページ用メインコンテナ（フッター押し下げ用） */
.page-container {
  padding-top: var(--header-height);
  min-height: calc(100vh - 280px);
}

/* ページヘッダー（タイトルエリア） */
.page-header {
  padding-top: 80px;
  padding-bottom: 80px;
  text-align: center;
  background-color: var(--bg-soft);
  transition: background-color 0.6s ease;
}
body.dark-theme .page-header {
  background-color: var(--bg-dark-secondary);
}

.page-header h1 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 1rem;
  transition: color 0.6s ease;
}
body.dark-theme .page-header h1 {
  color: var(--text-light);
}

.page-header p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  transition: color 0.6s ease;
}
body.dark-theme .page-header p {
  color: var(--text-light-muted);
}

/* ==========================================================================
   6. 会社概要ページ (Company)
   ========================================================================== */
.company-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: border-color 0.6s ease;
}
body.dark-theme .company-table {
  border-color: var(--border-dark);
}

.company-table th,
.company-table td {
  padding: 20px;
  text-align: left;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}
body.dark-theme .company-table th,
body.dark-theme .company-table td {
  border-color: var(--border-dark);
  color: var(--text-light);
}

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

.company-table th {
  background-color: var(--bg-soft);
  font-weight: 500;
  width: 30%;
  min-width: 120px;
  vertical-align: top;
}
body.dark-theme .company-table th {
  background-color: var(--bg-dark-secondary);
  color: var(--text-light);
}

.company-table td {
  background-color: var(--bg-light);
}
body.dark-theme .company-table td {
  background-color: var(--bg-dark-primary);
}

.company-table td ul {
  list-style-position: inside;
  padding-left: 0;
}
.company-table td ul li {
  margin-bottom: 0.5em;
}

.access-map {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 60%;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border-color);
}
body.dark-theme .access-map {
  border-color: var(--border-dark);
}

.access-map iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.access-address {
  margin-top: 2rem;
  font-size: 1.15rem;
  text-align: center;
  transition: color 0.6s ease;
}
body.dark-theme .access-address {
  color: var(--text-light);
}

/* レスポンシブ (Company) */
@media (max-width: 768px) {
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 15px;
    vertical-align: middle;
  }
  .company-table th {
    border-bottom: none;
    font-weight: 800;
  }
  .company-table td {
    border-bottom: 1px solid var(--border-color);
  }
  .company-table tr:not(:last-child) td {
    margin-bottom: 1.5rem;
  }
}

/* ==========================================================================
   7. プライバシーポリシーページ (Privacy)
   ========================================================================== */
.policy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 0;
}
.policy-content h1 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 60px;
  color: var(--text-dark);
  transition: color 0.6s ease;
}
body.dark-theme .policy-content h1 {
  color: var(--text-light);
}

.policy-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-top: 50px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-blue);
  color: var(--text-dark);
  transition: color 0.6s ease;
}
body.dark-theme .policy-content h2 {
  color: var(--text-light);
}

.policy-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 15px;
  padding-left: 15px;
  border-left: 4px solid var(--primary-blue);
  color: var(--text-dark);
  transition: color 0.6s ease;
}
body.dark-theme .policy-content h3 {
  color: var(--text-light);
}

.policy-content p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  transition: color 0.6s ease;
}
body.dark-theme .policy-content p {
  color: var(--text-light-muted);
}

.policy-content ul,
.policy-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2em;
  color: var(--text-muted);
  list-style: disc;
  transition: color 0.6s ease;
}
body.dark-theme .policy-content ul,
body.dark-theme .policy-content ol {
  color: var(--text-light-muted);
}

.policy-content li {
  margin-bottom: 0.75rem;
}
.policy-update-date {
  text-align: right;
  margin-top: 40px;
  color: var(--text-muted);
  transition: color 0.6s ease;
}
body.dark-theme .policy-update-date {
  color: var(--text-light-muted);
}

/* レスポンシブ (Privacy) */
@media (max-width: 768px) {
  .policy-content h1 {
    font-size: 2rem;
  }
  .policy-content h2 {
    font-size: 1.5rem;
  }
  .policy-content h3 {
    font-size: 1.2rem;
  }
}