:root {
      --main-color: #0f172a;     /* ダークネイビー */
      --sub-color: #475569;      /* スレートグレー */
      --accent-color: #38bdf8;   /* IT系ブルー */
      --bg-color: #f8fafc;
    }

    body {
      margin: 0;
      font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
      background-color: var(--bg-color);
      color: var(--sub-color);
      line-height: 1.8;
    }

    /* ===== Header ===== */
    header {
      background: radial-gradient(circle at top left, #1e293b, #020617);
      color: #fff;
      padding: 90px 20px;
      text-align: center;
    }

    header h1 {
      font-size: 2.6rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      margin-bottom: 10px;
    }

    header p {
      font-size: 1.05rem;
      opacity: 0.85;
    }

    /* ===== Main Layout ===== */
    main {
      max-width: 900px;
      margin: -60px auto 0;
      padding: 0 20px 60px;
    }

    section {
      position: relative;
      background-color: #fff;
      border-radius: 16px;
      padding: 40px;
      margin-bottom: 30px;
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      animation: fadeUp 0.8s ease both;
    }

    /* 左側アクセントライン */
    section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(
        to bottom,
        var(--accent-color),
        transparent
      );
    }

    h2 {
      font-size: 1.4rem;
      color: var(--main-color);
      letter-spacing: 0.05em;
      margin-bottom: 20px;
    }

    h2::after {
      content: "";
      display: block;
      width: 32px;
      height: 2px;
      background-color: var(--accent-color);
      margin-top: 8px;
    }

    /* ===== About Table ===== */
    .about-table {
      width: 100%;
      border-collapse: collapse;
    }

    .about-table th,
    .about-table td {
      padding: 14px 0;
      border-bottom: 1px solid #e5e7eb;
      text-align: left;
    }

    .about-table th {
      width: 30%;
      color: #64748b;
      font-size: 0.9rem;
      text-transform: uppercase;
      font-weight: 400;
    }

    .about-table td {
      color: #0f172a;
      font-weight: 500;
    }

    /* ===== Message ===== */
    .message {
      font-size: 1.05rem;
      color: #334155;
    }

    /* ===== Access ===== */
    .access .map-wrapper {
      position: relative;
      height: 380px;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    }

    .access iframe {
      width: 100%;
      height: 100%;
      border: 0;
    }

    .access-card {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(6px);
      padding: 16px 20px;
      border-radius: 12px;
      font-size: 0.95rem;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .access-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
    }

    .pin {
      font-size: 1.2rem;
      margin-right: 6px;
    }

    /* ===== Footer ===== */
    footer {
      text-align: center;
      padding: 30px 10px;
      font-size: 0.9rem;
      color: #94a3b8;
    }
    .footer-nav {
      margin-bottom: 8px;
    }

    .footer-nav a {
      color: #64748b;
      text-decoration: none;
      font-size: 0.85rem;
      margin: 0 6px;
    }

    .footer-nav a:hover {
      color: var(--accent-color);
    }
    /* ===== Animation ===== */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(12px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* ===== Responsive ===== */
    @media (max-width: 600px) {
      header h1 {
        font-size: 2rem;
      }
      section {
        padding: 25px;
      }
      .access .map-wrapper {
        height: 300px;
      }
      .access-card {
        left: 12px;
        right: 12px;
        font-size: 0.9rem;
      }
    }
    /* ===== Soft Hero Section ===== */
 /* ===== Hero Section ===== */
.hero {
  height: 420px;
  background-image:
    linear-gradient(
      rgba(15, 23, 42, 0.35),
      rgba(15, 23, 42, 0.35)
    ),
    url("images/top.jpeg");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

.hero-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  color: #fff;
}
.hero-inner h1{
    font-family: 'Harlow Solid Italic','' ,'Lucida Handwriting' ;
    /*font-family: Georgia, 'Times New Roman', Times, serif;*/
    font-weight:bold;
}
.hero-inner p{
    font-family: 'Harlow Solid Italic','Script MT Bold' ,'Lucida Calligraphy';
    /*font-family: Georgia, 'Times New Roman', Times, serif;*/
    font-weight:bold;
}
.hero h1 {
  font-size: 2.2rem;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.hero p {
  font-size: 1rem;
  opacity: 0.9;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .hero {
    height: 300px;
  }

  .hero h1 {
    font-size: 1.6rem;
  }
}   



/* ===== Navigation ===== */
.global-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  /*background: rgba(248, 250, 252);*/
  background: rgba(255, 255, 255, 19);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 0.95rem;
  font-weight: 500;
  color: #0f172a;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  text-decoration: none;
  color: #334155;
  font-size: 0.95rem;
}

.nav-toggle {
  display: none;
  font-size: 1.4rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    display: none;
    border-bottom: 1px solid #e5e7eb;
  }

  .nav-menu li {
    border-top: 1px solid #e5e7eb;
  }

  .nav-menu a {
    display: block;
    padding: 14px 20px;
  }

  .nav-menu.active {
    display: flex;
  }
}
/* ===== Logo ===== */
.nav-logo img {
  height: 64px;
  width: auto;
  display: block;
}

/* スマホ */
@media (max-width: 768px) {
  .nav-logo img {
    height: 28px;
  }
}
/* ===== Top Visual ===== */
.top-visual {
  height: 320px;
  background:
    linear-gradient(135deg, #e2e8f0, #f8fafc);
  position: relative;
  overflow: hidden;
}

.top-visual::before,
.top-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.top-visual::before {
  width: 420px;
  height: 420px;
  background: rgba(56, 189, 248, 0.35);
  top: -120px;
  left: -100px;
}

.top-visual::after {
  width: 380px;
  height: 380px;
  background: rgba(125, 211, 252, 0.25);
  bottom: -120px;
  right: -100px;
}

.top-visual-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #0f172a;
}

.top-visual h1 {
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.top-visual p {
  margin-top: 8px;
  font-size: 1.05rem;
  color: #475569;
}
/* ===== Business Section ===== */
.business-section {
  max-width: 1000px;
  margin: 80px auto;
  padding: 0 20px;
}

.business-section h2 {
  font-size: 1.6rem;
  margin-bottom: 30px;
  color: #0f172a;
}

/* ===== Table ===== */
.business-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.business-table th,
.business-table td {
  padding: 16px;
  text-align: left;
}

.business-table th {
  background-color: #f1f5f9;
  font-weight: 500;
  color: #0f172a;
}

.business-table tr + tr {
  border-top: 1px solid #e5e7eb;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .business-table,
  .business-table thead,
  .business-table tbody,
  .business-table th,
  .business-table td,
  .business-table tr {
    display: block;
  }

  .business-table thead {
    display: none;
  }

  .business-table tr {
    background: #fff;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    padding: 16px;
  }
.business-table td[data-label="年月"] {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 8px;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 6px;
  }
  .business-table td {
    padding: 10px 0;
    border: none;
  }

  .business-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 4px;
  }
}

/* ===== News Section ===== */
    /* ===== Page Title ===== */
    .page-header {
      background: #1e293b;
      color: #fff;
      padding: 60px 20px;
      text-align: center;
    }

    .page-header h1 {
      font-size: 1.8rem;
      margin: 0;
      font-weight: 500;
    }

    /* ===== News Section ===== */
    .news-section {
      max-width: 900px;
      margin: 60px auto;
      padding: 0 20px;
    }

    .news-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .news-item {
      background: #fff;
      border-radius: 12px;
      padding: 20px 24px;
      box-shadow: 0 8px 20px rgba(0,0,0,0.08);
      margin-bottom: 20px;
      transition: transform 0.2s ease;
    }

    .news-item:hover {
      transform: translateY(-2px);
    }

    .news-meta {
      font-size: 0.8rem;
      color: #64748b;
      margin-bottom: 6px;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .news-category {
      background: #e0f2fe;
      color: #0369a1;
      padding: 2px 10px;
      border-radius: 999px;
      font-size: 0.75rem;
    }

    .news-title {
      font-size: 1rem;
      color: #0f172a;
      text-decoration: none;
      font-weight: 500;
    }

    .news-title:hover {
      text-decoration: underline;
    }

    footer {
      text-align: center;
      padding: 30px 10px;
      font-size: 0.85rem;
      color: #94a3b8;
    }

    /* ===== Mobile ===== */
    @media (max-width: 768px) {
      .page-header {
        padding: 40px 20px;
      }

      .page-header h1 {
        font-size: 1.4rem;
      }
    }

    /* ===== News Accordion ===== */
.news-item details {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  padding: 20px 24px;
}

.news-item summary {
  list-style: none;
  cursor: pointer;
}

.news-item summary::-webkit-details-marker {
  display: none;
}

.news-item summary:hover .news-title {
  text-decoration: underline;
}

.news-detail {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #e5e7eb;
  font-size: 0.95rem;
  color: #475569;
}

/* 開いているとき */
.news-item details[open] {
  background: #f8fafc;
}

/* Mobile */
@media (max-width: 768px) {
  .news-item details {
    padding: 16px;
  }
}

/* ===== Services Overview ===== */
.services-overview {
  background: #f8fafc;
  padding: 80px 20px;
}



.service-card {
  background: #ffffff;
  padding: 40px 32px;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  text-align: center;
  transition: transform 0.2s ease;
}

.services-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* ★2列固定 */
  gap: 32px;
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  color: #0f172a;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #475569;
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
  .services-inner {
    grid-template-columns: 1fr; /* スマホは1列 */
  }
}