/*
Theme Name: 石善建設
Theme URI: https://ishizenkensetsu.com
Description: 石善建設カスタムテーマ
Author: 石善建設
Version: 1.0
Template: lightning
*/

@import url("../lightning/style.css");

:root {
  --color-white: #ffffff;
  --color-light-gray: #f8f8f8;
  --color-gray: #e0e0e0;
  --color-dark-gray: #666666;
  --color-charcoal: #333333;
  --color-black: #1a1a1a;
  --color-accent: #0066cc;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  color: var(--color-charcoal);
  background-color: var(--color-white);
  line-height: 1.7;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: #0052a3;
  text-decoration: underline;
}

.site-header {
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-gray);
  padding: 20px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.site-title {
  font-size: 28px;
  font-weight: bold;
  color: var(--color-black);
  letter-spacing: 1px;
}

.site-title a {
  color: var(--color-black);
}

.site-nav {
  background-color: var(--color-charcoal);
  padding: 0;
}

.site-nav a {
  display: inline-block;
  padding: 15px 20px;
  color: var(--color-white);
  transition: background-color 0.3s;
  font-weight: 500;
}

.site-nav a:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
}

.hero-section {
  position: relative;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  padding: 120px 20px;
  text-align: center;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
}

.hero-title {
  font-size: 56px;
  font-weight: bold;
  margin-bottom: 25px;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
  letter-spacing: 1px;
}

.hero-subtitle {
  font-size: 22px;
  margin-bottom: 35px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.site-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.content {
  padding: 60px 20px;
}

.section-title {
  font-size: 40px;
  font-weight: bold;
  color: var(--color-black);
  border-bottom: 4px solid var(--color-accent);
  padding-bottom: 20px;
  margin-bottom: 50px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

table th {
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding: 18px;
  text-align: left;
  font-weight: bold;
}

table td {
  padding: 18px;
  border-bottom: 1px solid var(--color-gray);
  color: var(--color-charcoal);
}

table tr:nth-child(even) {
  background-color: var(--color-light-gray);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.case-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.case-image {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, #e8e8e8 0%, #d8d8d8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark-gray);
  font-size: 14px;
}

.case-content {
  padding: 25px;
}

.case-title {
  font-size: 20px;
  font-weight: bold;
  color: var(--color-black);
  margin-bottom: 12px;
}

.case-description {
  color: var(--color-dark-gray);
  font-size: 15px;
  line-height: 1.6;
}

.contact-form-wrapper {
  max-width: 650px;
  margin: 40px auto;
  padding: 40px;
  background-color: var(--color-light-gray);
  border-radius: 8px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
  color: var(--color-black);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--color-gray);
  border-radius: 4px;
  font-family: inherit;
  font-size: 15px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
}

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

.submit-btn {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 16px 50px;
  border: none;
  border-radius: 4px;
  font-size: 17px;
  font-weight: bold;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background-color: #0052a3;
  transform: translateY(-2px);
}

.site-footer {
  background-color: var(--color-charcoal);
  color: var(--color-light-gray);
  padding: 60px 20px 30px;
  margin-top: 80px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  margin-bottom: 18px;
  font-size: 18px;
  font-weight: bold;
  color: var(--color-white);
}

.footer-section p,
.footer-section a {
  font-size: 14px;
  color: var(--color-light-gray);
  margin-bottom: 10px;
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 25px;
  text-align: center;
  font-size: 13px;
  color: var(--color-dark-gray);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .section-title {
    font-size: 28px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .section-title {
    font-size: 22px;
  }
}