@charset "UTF-8";

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

body {
  font-family: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", Meiryo, "メイリオ", sans-serif;
  color: #333;
  line-height: 1.8;
  background: #fff;
}

a {
  color: #1a4789;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* ===== ヘッダー ===== */
.site-header {
  background: #fff;
  border-bottom: 3px solid #1a4789;
  padding: 18px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.site-title {
  font-size: 22px;
  font-weight: bold;
  color: #1a4789;
}

.site-title a {
  color: #1a4789;
  text-decoration: none;
}

.global-nav ul {
  display: flex;
  list-style: none;
  gap: 28px;
}

.global-nav a {
  color: #333;
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.global-nav a:hover {
  border-bottom-color: #1a4789;
  text-decoration: none;
}

/* ===== ヒーロー ===== */
.hero {
  background: linear-gradient(rgba(26, 71, 137, 0.55), rgba(26, 71, 137, 0.55)),
              url("images/hero.jpg") center/cover no-repeat;
  background-color: #1a4789;
  color: #fff;
  padding: 100px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 32px;
  margin-bottom: 18px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.hero p {
  font-size: 17px;
  max-width: 720px;
  margin: 0 auto;
}

/* ===== メイン ===== */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 20px;
}

.section {
  margin-bottom: 60px;
}

.section h2 {
  font-size: 24px;
  color: #1a4789;
  border-left: 5px solid #1a4789;
  padding-left: 14px;
  margin-bottom: 24px;
}

.section h3 {
  font-size: 18px;
  margin: 24px 0 10px;
  color: #1a4789;
}

.section p {
  margin-bottom: 14px;
  font-size: 16px;
}

/* 特徴カード */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.feature-card {
  background: #f7f9fc;
  padding: 28px 22px;
  border-radius: 6px;
  border-top: 4px solid #1a4789;
}

.feature-card h3 {
  margin-top: 0;
}

/* ビル写真ギャラリー */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.gallery figure {
  background: #f0f0f0;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 14px;
  border-radius: 4px;
  overflow: hidden;
}

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

/* テーブル */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.info-table th,
.info-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid #e0e0e0;
  font-size: 15px;
}

.info-table th {
  background: #f7f9fc;
  width: 30%;
  color: #1a4789;
  font-weight: 600;
  vertical-align: top;
}

/* CTA */
.cta {
  background: #f7f9fc;
  padding: 40px 20px;
  text-align: center;
  border-radius: 6px;
  margin-top: 40px;
}

.cta h2 {
  border: none;
  padding: 0;
  margin-bottom: 12px;
}

.btn {
  display: inline-block;
  background: #1a4789;
  color: #fff;
  padding: 14px 36px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  margin-top: 16px;
  transition: background 0.2s;
}

.btn:hover {
  background: #143765;
  text-decoration: none;
  color: #fff;
}

.tel-large {
  font-size: 28px;
  font-weight: bold;
  color: #1a4789;
  margin: 10px 0;
}

/* ===== フッター ===== */
.site-footer {
  background: #2c3e50;
  color: #ddd;
  padding: 40px 20px 20px;
  margin-top: 60px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer-inner h3 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 14px;
  border-bottom: 1px solid #4a5d72;
  padding-bottom: 6px;
}

.footer-inner p,
.footer-inner li {
  font-size: 14px;
  line-height: 1.9;
  list-style: none;
}

.footer-inner a {
  color: #ddd;
}

.footer-inner a:hover {
  color: #fff;
}

.copyright {
  text-align: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #4a5d72;
  font-size: 12px;
  color: #aaa;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 12px;
  }

  .global-nav ul {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: 60px 20px;
  }

  .hero h1 {
    font-size: 22px;
  }

  .hero p {
    font-size: 15px;
  }

  .features,
  .gallery {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    border-bottom: none;
    padding-bottom: 4px;
  }
}