/* === 基本設定 === */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: #f3f4f6;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: 'Helvetica Neue', 'Helvetica', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Arial', 'Yu Gothic', 'Meiryo', sans-serif;
  margin: 0;
  padding: 0;                     /* ← padding-top 削除 */
  display: block;                 /* ← flex解除 */
  min-height: 100vh;
}

main {
  flex: 1;
  padding-top: 60px;
}

/* === ヘッダー・ナビゲーション === */
.podea-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 1200;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 6px calc(1rem + env(safe-area-inset-right)) 6px calc(1rem + env(safe-area-inset-left));
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #E5E7EB;
  margin-top: -60px;  /* ← ヘッダー高さ分を打ち消す */
}

.podea-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo img {
  height: 36px;
  width: auto;
  max-height: 36px;
  object-fit: contain;
}

.menu-toggle {
  position: relative;
  width: auto;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  appearance: none;
  -webkit-appearance: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  z-index: 2001;
  overflow: visible;
}

.menu-toggle img {
  width: 48px;
  height: 48px;
  display: block;
  overflow: visible;
}

/* ヘッダーCTAの配置とサイズ調整 */
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  margin-right: 12px;
}

.header-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-cta img {
  height: 36px;
  width: auto;
  display: block;
}

@media (max-width: 768px) {
  .header-cta {
    gap: 8px;
    margin-right: 6px;
  }

  .header-cta img {
    height: 25px;
  }
}

@media (max-width: 480px) {
  .header-cta img {
    height: 35px;
  }
}

.nav-menu {
  position: fixed;
  top: 70px;
  right: 0;
  width: 100%;
  height: calc(100vh - 70px);
  background: linear-gradient(to bottom, rgba(0, 94, 152, 0.9), rgba(0, 110, 180, 0.88));
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  transform: translateX(100%);
  transition: transform 0.4s ease;
  z-index: 2000;
  display: block;
  overflow-y: auto;
  padding: 2rem;
  font-family: "Noto Sans JP", sans-serif;
}

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

.nav-menu-inner {
  display: block;
  height: 100%;
}

.nav-menu .menu-logo {
  display: none;
}

.nav-menu .menu-logo img {
  height: 40px;
  width: auto;
}

.nav-menu-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu-list > li {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 12px 20px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-menu-list > li:not(.has-submenu):hover {
  background: rgba(255, 255, 255, 0.25);
}

.nav-menu-list li span,
.nav-menu-list li a {
  display: block;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0;
  width: 100%;
}

.nav-menu-list li a:hover {
  color: #d0d8df;
}

.nav-menu-list > li:not(.has-submenu) a {
  padding: 8px 0;
}

.nav-menu-list > li.has-submenu {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  padding: 12px 20px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-menu-list .has-submenu > span {
  font-weight: 600;
  font-size: 1.3rem;
}

.nav-menu-list > li.has-submenu .submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-menu-list > li.has-submenu.open {
  background: rgba(0, 94, 152, 0.85);
  border-color: rgba(255, 255, 255, 0.35);
}

.nav-menu-list > li.has-submenu.open .submenu {
  max-height: 500px;
  margin-top: 6px;
  padding-left: 1rem;
}

.nav-menu-list > li.has-submenu .submenu li {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
}

.nav-menu-list > li.has-submenu .submenu li:last-child {
  margin-bottom: 0;
}

.nav-menu-list > li.has-submenu .submenu li a {
  display: block;
  background: rgba(0, 94, 152, 0.85);
  color: #fff;
  padding: 8px 14px;
  text-decoration: none;
  border-radius: 8px;
  border: none;
  box-shadow: none;
  font-size: 1.05rem;
  font-weight: 400;
  transition: background 0.3s ease, opacity 0.3s ease;
  opacity: 0.9;
}

.nav-menu-list > li.has-submenu .submenu li a:hover {
  background: rgba(0, 124, 192, 0.9);
  opacity: 1;
}

/* === ドロワーメニュー位置調整 === */
.drawer-nav {
  top: 69px !important;
  margin-top: -1px;
}

.menu-panel,
.drawer-menu {
  top: 70px !important;
}

/* === ヒーローセクション === */
.hero-section {
  padding: 5rem 0;
  animation: fadeIn 1.5s ease-in-out;
  background-color: #f8f9fa;
  color: #343a40;
}

.hero-image {
  max-width: 80%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.scroll-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.card {
  border: none;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

.accordion-button:not(.collapsed) {
  color: #fff;
  background-color: #0d6efd;
}

#3d-container {
  height: 500px;
}

.platform-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}

.platform-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

/* === ケーススタディ === */
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.case-item {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}

.case-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.case-item .image-container {
  width: 100%;
  padding-top: 56.25%;
  position: relative;
  overflow: hidden;
}

.case-item img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-item .content {
  padding: 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.case-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.case-item p {
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
}

.case-item .tags {
  margin-top: 12px;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #FFFFFF;
}

.tag.podea {
  background-color: #7A0A0A;
}

.tag.runcer {
  background-color: #004AAD;
}

.tag.stella {
  background-color: #228A31;
}

.tag.pfc {
  background-color: #2B2B2B;
}

/* === リフィル紹介 === */
.refill-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  width: 90%;
  max-width: 1000px;
  margin: 60px auto;
  aspect-ratio: 16 / 6;
  background: #000;
}

.refill-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.refill-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.refill-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  text-align: center;
  padding: 20px;
}

.refill-overlay h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.refill-overlay p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  max-width: 650px;
  line-height: 1.6;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}

.refill-btn {
  display: inline-block;
  background: #fff;
  color: #00734F;
  padding: 10px 30px;
  border-radius: 25px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.refill-btn:hover {
  background-color: #f0f0f0;
}

/* === 製品セクション === */
.products-section {
  background-color: #fafafa;
  padding: 40px 20px;
}

.products-section > h2 {
  text-align: center;
  margin-bottom: 20px;
}

.product-section {
  background: linear-gradient(180deg, #E6F1FF 0%, #FFFFFF 100%);
  transition: background 0.4s ease;
  padding: 40px 0;
  border-radius: 12px;
}

.category-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.category-tabs .tab {
  width: 180px;
  border: none;
  border-radius: 6px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
  background-color: #005E98;
  color: #FFFFFF;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-tabs .tab:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.category-tabs .tab.active {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.product-section[data-active="semiconductor"] {
  background: linear-gradient(180deg, rgba(122, 10, 10, 0.08) 0%, #FFFFFF 100%);
}

.product-section[data-active="semiconductor"] .category-tabs .tab.active {
  background-color: #7A0A0A;
  color: #FFFFFF;
}

.product-section[data-active="co2"] {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08) 0%, #FFFFFF 100%);
}

.product-section[data-active="co2"] .category-tabs .tab.active {
  background-color: #000000;
  color: #FFFFFF;
}

.product-section[data-active="fiber"] {
  background: linear-gradient(180deg, rgba(0, 94, 152, 0.08) 0%, #FFFFFF 100%);
}

.product-section[data-active="fiber"] .category-tabs .tab.active {
  background-color: #005E98;
  color: #FFFFFF;
}

.product-section[data-active="uv"] {
  background: linear-gradient(180deg, rgba(0, 74, 173, 0.08) 0%, #FFFFFF 100%);
}

.product-section[data-active="uv"] .category-tabs .tab.active {
  background-color: #004AAD;
  color: #FFFFFF;
}

.tab-content .tab-pane {
  display: none;
}

.tab-content .tab-pane.active {
  display: block;
}

.products-swiper {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  padding-bottom: 40px;
}

.products-swiper .swiper-wrapper {
  align-items: stretch;
}

.products-swiper .swiper-slide {
  display: flex;
  justify-content: center;
  align-items: stretch;
  height: auto;
}

.products-swiper .swiper-slide .product-card {
  height: 100%;
}

.product-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  box-sizing: border-box;
  text-align: center;
  text-decoration: none;
  color: inherit;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 12px;
}

.product-card h3 {
  font-size: 1.1rem;
  margin: 8px 0 4px;
  color: #222;
}

.product-card p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.5;
  text-align: center;
}

.products-swiper .swiper-button-prev,
.products-swiper .swiper-button-next {
  color: #005E98;
  top: 45%;
  transition: opacity 0.3s ease;
}

.products-swiper .swiper-button-prev:hover,
.products-swiper .swiper-button-next:hover {
  opacity: 0.7;
}

.products-swiper .swiper-pagination {
  bottom: 4px;
}

.products-swiper .swiper-pagination-bullet-active {
  background: #005E98;
}

.tab-description {
  text-align: center;
  font-size: 1rem;
  color: #333;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.section-subtitle-en {
  text-align: center;
  font-size: 0.9rem;
  font-weight: bold;
  color: #005E98;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.product-desc {
  font-size: 0.95rem;
  color: #555;
  margin-top: 8px;
  line-height: 1.5;
  text-align: center;
}

/* === バナー === */
.banner-swiper-section {
  padding: 0;
  margin-bottom: 0;
}

.banner-swiper {
  width: 100%;
  aspect-ratio: 900 / 600;
  max-height: 600px;
}

.banner-swiper .swiper-slide {
  background-color: transparent;
}

.banner-swiper .swiper-slide a {
  display: block;
  width: 100%;
  height: 100%;
}

.banner-swiper .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.banner-swiper .swiper-pagination-bullet-active {
  background: #fff;
}

/* === フッター === */
.site-footer {
  width: 100%;
  background-color: #F3F4F6;
  color: #2f3439;
  font-size: 14px;
  border-top: none !important;
  box-shadow: 0 -1px 0 #E5E7EB; /* ← 上側に1pxの線だけ */
  padding: 32px 0;
  margin-top: auto;
  box-shadow: none;
  border-radius: 0;
}

.site-footer__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-footer__upper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding-bottom: 0px;
  border-bottom: none;
}

.site-footer__nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 10px;
}

.site-footer__nav a {
  color: #2f3439;
  text-decoration: none;
  transition: color 0.2s ease, text-decoration 0.2s ease;
  text-underline-offset: 4px;
}

.site-footer__nav a:hover {
  color: #0A84FF;
  text-decoration: underline;
}

.site-footer__separator {
  color: #D1D5DB;
}

.site-footer__lower {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 20px;
}

.site-footer__logo img {
  display: block;
  height: 28px;
  width: auto;
}

.site-footer__social {
  display: flex;
  gap: 12px;
}

.site-footer__social-link {
  display: block;
  background-color: #FFFFFF;
  border-radius: 10px;
  padding: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.site-footer__social-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.site-footer__social-link img {
  display: block;
  height: 24px;
  width: 24px;
}

.site-footer .site-footer__social a[href*="twitter.com"] {
  background: #000;
  color: #fff;
}

.site-footer .site-footer__social a[href*="twitter.com"]:hover {
  background: #111;
}

.site-footer__copyright {
  color: #6B7280;
  font-size: 12px;
  margin: 0;
}

/* === 会社概要ページ === */
body.company-page {
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

.company-page .content-wrapper {
  padding: 0 20px 0;
}

.company-main {
  max-width: 840px;
  margin: 40px auto;
  padding: 64px 32px 48px;
  border-radius: 12px;
}

.company-title {
  color: #005a9c;
  border-bottom: 2px solid #005a9c;
  padding-bottom: 12px;
  margin-bottom: 32px;
}

.company-section + .company-section {
  margin-top: 40px;
}

.company-heading {
  color: #005a9c;
  border-left: 5px solid #005a9c;
  padding-left: 12px;
  margin-bottom: 24px;
}

.company-section--intro p {
  margin: 0;
}

.company-section p {
  margin-bottom: 16px;
}

.company-table-wrapper {
  border-radius: 8px;              /* 角丸を残す */
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid #e0e0e0;       /* 薄いグレー線を追加 */
  background: transparent;         /* 背景は透過（白帯防止） */
  box-shadow: none;                /* 安全のため残してOK（ただし冗長） */
}

.company-info-table {
  width: 100%;
  border-collapse: collapse;       /* 枠線を一体化（必須） */
  min-width: 300px;
  border: none;                    /* 外側の枠線を削除（必須） */
}

.company-info-table th,
.company-info-table td {
  border: 1px solid #e0e0e0;
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  word-break: break-word;
}

.company-info-table th {
  background-color: #f9f9f9;
  width: 32%;
}

/* === プライバシーポリシー === */
.privacy-main {
  max-width: 800px;
  margin: 60px auto;
  padding: 40px 20px 0;
  line-height: 1.8;
  color: #222;
  background: none;
  box-shadow: none;
  border: none;
}

.privacy-main h1 {
  font-size: 26px;
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 12px;
  border-bottom: 1px solid #ddd;
}

.privacy-main h2 {
  font-size: 20px;
  margin-top: 60px;
  margin-bottom: 16px;
}

.privacy-main h3 {
  font-size: 17px;
  margin-top: 30px;
  margin-bottom: 10px;
}

.privacy-main p,
.privacy-main ul,
.privacy-main ol {
  margin-top: 12px;
}

.privacy-main ul,
.privacy-main ol {
  padding-left: 1.5em;
}

.privacy-main section + section {
  margin-top: 60px;
}

.privacy-meta {
  margin-top: 60px;
  text-align: right;
  font-size: 0.9rem;
  color: #555;
}

.privacy-indent {
  list-style-type: none;
  padding-left: 2em;       /* インデント */
  margin-top: 6px;
  margin-bottom: 6px;
}

.privacy-indent li {
  position: relative;
  padding-left: 1em;       /* 中点分のスペース */
  text-indent: -1em;       /* 2行目以降の揃え */
  line-height: 1.8;
}

.privacy-indent li::before {
  content: "・";           /* 日本語の中点マーク */
  position: absolute;
  left: 0;
}


/* --- Runcer リードセクション調整 --- */
.feature-lead-section {
  padding: clamp(48px, 7vw, 80px) 0 clamp(56px, 8vw, 96px);
  background-color: #ffffff;
}

.feature-lead-section .feature-text {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.feature-lead-section .feature-lead {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 28px);
  flex-wrap: wrap;
}

.feature-lead-section .lead-icon {
  width: clamp(64px, 12vw, 120px);
  height: auto;
  flex: 0 0 auto;
}

.feature-lead-section .lead-title {
  margin: 0;
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.4;
  color: #000000;
  border: none;
  padding-bottom: 0;
}

.feature-text p {
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.7;
}

.feature-lead-section .runcer-description {
  margin-top: clamp(18px, 3vw, 28px);
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.7;
}

.feature-lead-section .feature-image,
.feature-image-wrap {
  width: 90%;
  max-width: 900px;
  margin: clamp(28px, 6vw, 56px) auto 0;
  display: block;
}

.feature-lead-section .feature-image img,
.feature-image-wrap img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (max-width: 768px) {
  .feature-lead-section {
    padding: clamp(36px, 8vw, 56px) 0 clamp(48px, 10vw, 72px);
  }

  .feature-lead-section .feature-text {
    max-width: min(94%, 640px);
  }

  .feature-lead-section .feature-image,
  .feature-image-wrap {
    width: 100%;
    max-width: 640px;
    margin-top: clamp(24px, 8vw, 40px);
  }
}

/* === レスポンシブ === */
@media (min-width: 768px) {
  /* ナビゲーション */
  .nav-menu {
    width: 40%;
  }

  .nav-menu-list li span,
  .nav-menu-list li a {
    font-size: 1.4rem;
  }
}

@media (min-width: 1200px) {
  /* ロゴ拡大 */
  .logo img {
    height: 52px;
  }
}

@media (max-width: 1024px) {
  /* ケーススタディ */
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* リフィル紹介 */
  .refill-card {
    aspect-ratio: 16 / 10;
  }

  .refill-overlay h2 {
    font-size: 1.6rem;
  }

  .refill-overlay p {
    font-size: 0.9rem;
  }

  /* カテゴリタブ */
  .category-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    justify-items: center;
  }

  .category-tabs .tab {
    width: 100%;
    font-size: 0.75rem;
    padding: 8px 4px;
    border-radius: 4px;
  }

  .category-tabs .tab:hover {
    transform: none;
    box-shadow: none;
  }

  /* プロダクトカード */
  .product-card {
    max-width: 90%;
  }

  .product-card img {
    aspect-ratio: 4 / 3;
  }

  /* フッター */
  .site-footer__upper,
  .site-footer__lower {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .site-footer__nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .site-footer__separator {
    display: none;
  }

  /* 会社 */
.company-main {
  max-width: 840px;      /* ← 横幅の最大制限（中央寄せになる） */
  margin: 40px auto;     /* ← 上下40pxの余白＋左右autoで中央寄せ */
  padding: 64px 32px 48px; /* ← 内側余白（上64px, 左右32px, 下48px） */
  border-radius: 12px;    /* ← カード風の角丸 */
}

  .company-heading {
    margin-bottom: 20px;
  }

  .company-info-table th,
  .company-info-table td {
    padding: 10px 12px;
  }

  .privacy-section--intro {
    padding: 24px 20px 20px;
  }

  .privacy-summary {
    grid-template-columns: 1fr;
  }

  .privacy-report {
    grid-template-columns: 1fr;
  }

  .privacy-card {
    padding: 20px;
  }

  .privacy-meta {
    text-align: left;
  }
}

@media (max-width: 600px) {
  /* ケーススタディ */
  .case-grid {
    grid-template-columns: 1fr;
  }
}