/* ベース設定 */
:root {
  /* カラー */
  --color-primary: #0a2a5e; /* ネイビー（メインカラー） */
  --color-primary-light: #1a3a6e;
  --color-primary-dark: #051a4e;
  --color-secondary: #d4af37; /* ゴールド（サブカラー） */
  --color-secondary-light: #e4bf47;
  --color-secondary-dark: #c49f27;
  --color-accent: #2e8b57; /* グリーン（アクセントカラー） */
  --color-accent-light: #3e9b67;
  --color-accent-dark: #1e7b47;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;

  /* フォント */
  --font-family: "Noto Sans JP", sans-serif;
  --font-size-base: 16px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* スペーシング */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* ボーダーラディウス */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;

  /* トランジション */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;

  /* コンテナ */
  --container-max-width: 1200px;
  --container-padding: 1rem;
}

/* リセット */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

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

/* ユーティリティクラス */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.text-primary {
  color: var(--color-primary);
}

.text-secondary {
  color: var(--color-secondary);
}

.text-accent {
  color: var(--color-accent);
}

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

.text-gray {
  color: var(--color-gray-600);
}

.bg-primary {
  background-color: var(--color-primary);
}

.bg-secondary {
  background-color: var(--color-secondary);
}

.bg-accent {
  background-color: var(--color-accent);
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.font-bold {
  font-weight: var(--font-weight-bold);
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-8 {
  margin-top: 2rem;
}

.desktop-only {
  display: none;
}

@media (min-width: 768px) {
  .desktop-only {
    display: block;
  }
}

/* ヘッダー */
.header {
  background-color: var(--color-white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.nav-desktop {
  display: none;
}

.nav-list {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
}

.nav-button {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-medium);
  transition: background-color var(--transition-fast);
}

.nav-button:hover {
  background-color: var(--color-primary-dark);
}

.menu-button {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-mobile {
  display: none;
  background-color: var(--color-white);
  padding: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nav-mobile.active {
  display: block;
}

.nav-list-mobile {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-link-mobile {
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
  padding: 0.5rem 0;
  display: block;
  transition: color var(--transition-fast);
}

.nav-link-mobile:hover,
.nav-link-mobile.active {
  color: var(--color-primary);
}

.nav-button-mobile {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-medium);
  text-align: center;
  display: block;
  transition: background-color var(--transition-fast);
}

.nav-button-mobile:hover {
  background-color: var(--color-primary-dark);
}

@media (min-width: 768px) {
  .nav-desktop {
    display: block;
  }

  .menu-button {
    display: none;
  }
}

/* ヒーローセクション */
.hero {
  position: relative;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  padding: 6rem 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("../images/mv.png");
  background-size: cover;
  background-position: center;
  opacity: 0.6;
}

.hero-container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 48rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.hero-box {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  display: inline-block;
}

.hero-text-lg {
  font-size: 1.25rem;
  font-weight: var(--font-weight-medium);
  margin-bottom: 1rem;
}

.hero-text {
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero {
    padding: 8rem 0;
  }

  .hero-title {
    font-size: 3rem;
  }
}

/* ページヒーロー */
.page-hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 4rem 0;
}

.page-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
}

.page-subtitle {
  font-size: 1.25rem;
  max-width: 48rem;
  margin: 0 auto;
}

/* セクション */
.section {
  padding: 4rem 0;
}

.section-gray {
  background-color: var(--color-gray-100);
}

.section-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 50%;
  height: 3px;
  background-color: var(--color-secondary);
}

.section-title-light {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
  color: var(--color-white);
}

.section-text-lg {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

/* ボタン */
.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-medium);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.button i {
  margin-left: 0.5rem;
}

.button-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.button-primary:hover {
  background-color: var(--color-primary-dark);
}

.button-secondary {
  background-color: var(--color-secondary);
  color: var(--color-black);
}

.button-secondary:hover {
  background-color: var(--color-secondary-dark);
}

.button-white {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.button-white:hover {
  background-color: var(--color-gray-100);
}

.button-outline {
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.button-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.button-outline-white {
  background-color: transparent;
  border: 1px solid var(--color-white);
  color: var(--color-white);
}

.button-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.button-full {
  width: 100%;
}

.button-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 640px) {
  .button-group {
    flex-direction: row;
    justify-content: center;
  }
}

/* カード */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  border-top: 4px solid var(--color-primary);
}

.card-primary {
  border-top-color: var(--color-primary);
}

.card-secondary {
  border-top-color: var(--color-secondary);
}

.card-accent {
  border-top-color: var(--color-accent);
}

.card-header {
  padding: 1.5rem 1.5rem 0.5rem;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.card-primary .card-icon {
  color: var(--color-primary);
}

.card-secondary .card-icon {
  color: var(--color-secondary);
}

.card-accent .card-icon {
  color: var(--color-accent);
}

.card-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.5rem;
}

.card-content {
  padding: 0.5rem 1.5rem 1.5rem;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* サービスカード */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.service-image {
  height: 12rem;
  position: relative;
}

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

.service-content {
  padding: 1.5rem;
}

.service-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.75rem;
}

.service-text {
  color: var(--color-gray-600);
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 2カラムレイアウト */
.two-column {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.column-content {
  order: 1;
}

.column-image {
  order: 2;
  position: relative;
}

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

.rounded-image {
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.column-box {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.box-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
}

.reverse .column-content {
  order: 2;
}

.reverse .column-image {
  order: 1;
}

@media (min-width: 768px) {
  .two-column {
    grid-template-columns: 1fr 1fr;
  }

  .column-content {
    order: 1;
  }

  .column-image {
    order: 2;
  }

  .reverse .column-content {
    order: 2;
  }

  .reverse .column-image {
    order: 1;
  }
}

/* リスト */
.numbered-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.numbered-list li {
  display: flex;
  align-items: flex-start;
}

.number-circle {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  margin-right: 1rem;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
}

.check-icon {
  color: var(--color-secondary);
  margin-right: 0.75rem;
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* 会社概要 */
.company-info {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}

.company-table {
  padding: 2rem;
}

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

.company-table th,
.company-table td {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-gray-200);
  text-align: left;
}

.company-table th {
  width: 33%;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
}

.company-image {
  height: 20rem;
  position: relative;
}

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

@media (min-width: 768px) {
  .company-info {
    grid-template-columns: 1fr 1fr;
  }

  .company-image {
    height: 100%;
  }
}

/* サービス詳細 */
.service-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.service-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-right: 1rem;
}

.service-heading {
  font-size: 1.875rem;
  font-weight: var(--font-weight-bold);
}

/* お問い合わせフォーム */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-form-container {
  order: 2;
}

.contact-info-container {
  order: 1;
}

.contact-form {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-medium);
}

.required {
  color: #dc3545;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 42, 94, 0.1);
}

.contact-info {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.contact-item {
  display: flex;
  margin-bottom: 1.5rem;
}

.contact-icon {
  color: var(--color-secondary);
  font-size: 1.5rem;
  margin-right: 1rem;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-label {
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.25rem;
}

.contact-map {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-gray-200);
}

.map-container {
  height: 0;
  padding-bottom: 56.25%; /* 16:9 アスペクト比 */
  position: relative;
  margin-top: 0.75rem;
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 2fr 1fr;
  }

  .contact-form-container {
    order: 1;
  }

  .contact-info-container {
    order: 2;
  }
}

/* 採用情報 */
.job-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.job-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.job-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.job-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.25rem;
}

.job-subtitle {
  color: var(--color-gray-600);
}

.job-content {
  padding: 1.5rem;
}

.job-section {
  margin-bottom: 1.5rem;
}

.job-section:last-child {
  margin-bottom: 0;
}

.job-section-title {
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.75rem;
}

.job-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--color-gray-200);
}

@media (min-width: 768px) {
  .job-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 応募プロセス */
.application-process {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  max-width: 48rem;
  margin: 0 auto;
}

.process-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.process-item {
  display: flex;
  align-items: flex-start;
}

.process-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  margin-right: 1rem;
  flex-shrink: 0;
}

.process-title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.5rem;
}

.link-secondary {
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.link-secondary:hover {
  color: var(--color-secondary-dark);
  text-decoration: underline;
}

/* フッター */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer-info {
  margin-bottom: 1rem;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
}

.footer-text {
  margin-bottom: 1rem;
}

.footer-address {
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: 2rem;
  padding-top: 2rem;
  text-align: center;
}

.copyright {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr;
  }
}

/* トースト通知 */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 1000;
}

.toast {
  background-color: var(--color-white);
  color: var(--color-gray-800);
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  animation: slideIn 0.3s ease;
  max-width: 24rem;
}

.toast-success {
  border-left: 4px solid var(--color-accent);
}

.toast-error {
  border-left: 4px solid #dc3545;
}

.toast-icon {
  margin-right: 0.75rem;
  font-size: 1.25rem;
}

.toast-success .toast-icon {
  color: var(--color-accent);
}

.toast-error .toast-icon {
  color: #dc3545;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.25rem;
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-gray-500);
  cursor: pointer;
  font-size: 1rem;
  margin-left: 0.5rem;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}