/* ===========================
   ローディング
=========================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--navy-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

.loader--hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.loader-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  animation: loaderLogoIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes loaderLogoIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.loader-logo-mark {
  width: 52px;
  height: 52px;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.05em;
}

.loader-logo-text {
  font-size: 26px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.08em;
}

.loader-ticker {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
  min-height: 1.5em;
  display: flex;
  align-items: center;
  gap: 2px;
  animation: loaderLogoIn 0.6s 0.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader-cursor {
  color: var(--accent);
  animation: blink 0.8s step-end infinite;
  font-weight: 300;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
  animation: loaderLogoIn 0.6s 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #6bbfee);
  border-radius: 2px;
}

/* ===========================
   リセット・基本設定
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy: #1E3A5F;
  --navy-dark: #162d4a;
  --navy-light: #254d7a;
  --accent: #3A8FD5;
  --accent-hover: #2a7fc5;
  --white: #ffffff;
  --gray-bg: #F5F7FA;
  --gray-light: #e8edf3;
  --gray-mid: #8a9ab5;
  --text: #1a2636;
  --text-light: #4a5568;
  --border: #d0dbe8;
  --shadow: 0 4px 24px rgba(30, 58, 95, 0.10);
  --shadow-hover: 0 8px 40px rgba(30, 58, 95, 0.18);
  --radius: 12px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-only { display: inline; }

/* ===========================
   セクション共通
=========================== */
.section {
  padding: 96px 0;
}

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

.section-header--light .section-label,
.section-header--light .section-title,
.section-header--light .section-desc {
  color: var(--white);
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-desc {
  font-size: 15px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===========================
   ボタン
=========================== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(58, 143, 213, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-large {
  padding: 18px 56px;
  font-size: 16px;
}

/* ===========================
   ヘッダー
=========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  background: rgba(30, 58, 95, 0.97);
  backdrop-filter: blur(12px);
  transition: all var(--transition);
}

.header.scrolled {
  padding: 14px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.logo-text span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.75;
  letter-spacing: 0.05em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-list a:hover { color: var(--white); }
.nav-list a:hover::after { width: 100%; }

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 9px 22px;
  border-radius: 50px;
  font-weight: 700 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--accent-hover) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(58, 143, 213, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===========================
   ヒーロー
=========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 45%, var(--navy-light) 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(58, 143, 213, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(30, 58, 95, 0.6) 0%, transparent 50%);
}

/* グリッドパターン */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  border: 1px solid rgba(58, 143, 213, 0.5);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
  background: rgba(58, 143, 213, 0.1);
}

.hero-title {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-title-accent {
  color: var(--accent);
  position: relative;
}

.hero-desc {
  font-size: clamp(15px, 2vw, 17px);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 44px;
  max-width: 560px;
  line-height: 1.8;
}

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

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.hero-scroll span {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ===========================
   事業内容
=========================== */
.services {
  background: var(--gray-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(30px);
  border: 1px solid var(--gray-light);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }

.service-card.visible:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 16px 48px rgba(30, 58, 95, 0.18);
  border-color: rgba(58, 143, 213, 0.3);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(30, 58, 95, 0.06);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--navy);
  transition: all var(--transition);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-card:hover .service-icon {
  background: var(--navy);
  color: var(--white);
}

.service-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-text {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.service-tags li {
  font-size: 12px;
  color: var(--accent);
  background: rgba(58, 143, 213, 0.1);
  padding: 4px 12px;
  border-radius: 50px;
  font-weight: 500;
  border: 1px solid rgba(58, 143, 213, 0.2);
}

/* ===========================
   選ばれる理由
=========================== */
.strengths {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}

.strengths::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.strengths .section-label { color: var(--accent); }
.strengths .section-title { color: var(--white); }
.strengths .section-desc { color: rgba(255,255,255,0.65); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-bottom: 60px;
  position: relative;
  z-index: 1;
}

.stat-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px 24px;
  text-align: center;
  border-radius: var(--radius);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.stat-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.stat-item:nth-child(2) { transition-delay: 0.1s; }
.stat-item:nth-child(3) { transition-delay: 0.2s; }
.stat-item:nth-child(4) { transition-delay: 0.3s; }

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.stat-number {
  font-size: clamp(40px, 5vw, 58px);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.count { color: var(--white); }

.stat-unit {
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.stat-desc {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.strengths-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.feature-item {
  display: flex;
  gap: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 28px 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
}

.feature-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-item:nth-child(2) { transition-delay: 0.1s; }
.feature-item:nth-child(3) { transition-delay: 0.2s; }

.feature-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.feature-text {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ===========================
   お客様の声
=========================== */
.testimonials {
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--gray-bg);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.testimonial-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-card:nth-child(2) { transition-delay: 0.1s; }
.testimonial-card:nth-child(3) { transition-delay: 0.2s; }

.testimonial-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(58, 143, 213, 0.2);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-size: 80px;
  color: var(--accent);
  opacity: 0.15;
  line-height: 0.6;
  font-family: Georgia, serif;
  margin-bottom: 16px;
  font-weight: 700;
}

.testimonial-text {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.85;
  margin-bottom: 24px;
}

.testimonial-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.testimonial-company {
  font-size: 12px;
  color: var(--gray-mid);
}

/* ===========================
   会社概要
=========================== */
.about {
  background: var(--gray-bg);
}

.about-wrapper {
  max-width: 820px;
  margin: 0 auto;
}

.map-wrapper {
  max-width: 820px;
  margin: 48px auto 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.map-frame {
  display: block;
  width: 100%;
  height: 360px;
}

.about-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.about-table tr {
  border-bottom: 1px solid var(--gray-light);
}
.about-table tr:last-child { border-bottom: none; }
.about-table tr:hover { background: rgba(30, 58, 95, 0.02); }

.about-table th {
  width: 30%;
  padding: 18px 28px;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  background: rgba(30, 58, 95, 0.03);
  border-right: 1px solid var(--gray-light);
  vertical-align: top;
}

.about-table td {
  padding: 18px 28px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===========================
   お問い合わせ
=========================== */
.contact {
  background: var(--white);
}

.contact-form {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

.required {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--white);
  background: #e74c3c;
  padding: 2px 7px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 13px 16px;
  font-size: 15px;
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--gray-bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: all var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a9ab5' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(58, 143, 213, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #b0bdd0;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.7;
}

.form-submit {
  text-align: center;
  margin-top: 8px;
}

.form-input.error,
.form-textarea.error {
  border-color: #e74c3c;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-error {
  display: none;
  color: #e74c3c;
  font-size: 12px;
  margin-top: 6px;
}

.form-error.show {
  display: block;
}

/* ===========================
   フッター
=========================== */
.footer {
  background: var(--navy-dark);
  padding: 56px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer .logo-mark {
  width: 36px;
  height: 36px;
  font-size: 13px;
}

.footer .logo-text {
  font-size: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-address,
.footer-tel {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  margin-top: 4px;
}

.footer-right {
  min-width: 160px;
}

.footer-nav-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 16px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--white); }

/* ===========================
   レスポンシブ
=========================== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .strengths-features {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .pc-only { display: none; }

  /* ヘッダー */
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--navy-dark);
    padding: 80px 32px 40px;
    transition: right var(--transition);
    box-shadow: -4px 0 24px rgba(0,0,0,0.3);
    z-index: 999;
  }

  .nav.open { right: 0; }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .nav-list a {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    width: 100%;
  }
  .nav-list a::after { display: none; }

  .nav-cta {
    background: var(--accent) !important;
    display: block !important;
    text-align: center !important;
    padding: 14px 0 !important;
    border-radius: 8px !important;
    margin-top: 16px;
    border-bottom: none !important;
  }

  /* ヒーロー */
  .hero-title { font-size: clamp(32px, 8vw, 48px); }
  .hero-btns { flex-direction: column; gap: 12px; }
  .hero-btns .btn { text-align: center; }

  /* 数字エリア */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* サービス */
  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  /* 会社概要テーブル */
  .about-table th,
  .about-table td {
    display: block;
    width: 100%;
    padding: 12px 20px;
  }
  .about-table th {
    border-right: none;
    border-bottom: none;
    padding-bottom: 4px;
  }
  .about-table td {
    padding-top: 4px;
    padding-bottom: 16px;
  }

  /* フッター */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 20px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item { padding: 28px 16px; }

  .btn { padding: 13px 28px; font-size: 14px; }
  .btn-large { padding: 16px 40px; font-size: 15px; }

  .service-card { padding: 28px 20px; }
  .testimonial-card { padding: 28px 20px; }
}