@charset "utf-8";
/* CSS Document */

body {
    background-color: rgb(255, 255, 255);
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
}

html{scroll-behavior: smooth;}

.content-wrapper {
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
    background-color: #ffffff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.mainvisual {
  text-align: center;
  margin-bottom: 20px;
}

.lead_main, .lead_sub {
  text-align: center;
  color: #000;
}

.img-fluid {
  max-width: 100%;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

	
.index-container {
  background-color: #f5f5f5;
  padding: 20px;
  border-radius: 5px;
  margin-bottom: 30px;
  text-align: center;
}

.index-container h2 {
  font-size: 24px;
  margin-bottom: 15px;
  color: #333;
  text-align: center;
}

.index-list {
  list-style-type: none;
  padding-left: 0;
  display: inline-block;
  text-align: left;
}

.index-list li {
  margin-bottom: 10px;
}

.index-list a {
  color: #0066cc;
  text-decoration: none;
  font-size: 18px;
}

.index-list a:hover {
  text-decoration: underline;
}

.content-wrapper {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
}

.lead_main, .lead_sub {
  text-align: center;
}

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

.muffler-wrap img {
  max-width: 100%;
  height: auto;
}
	
.feature-section {
  background: #f8f9fa;
  padding: 32px 0;
  text-align: center;
}

.feature-title {
  font-size: 1.8em;
  margin-bottom: 24px;
  color: #222;
  letter-spacing: 0.05em;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.feature-item {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
  width: 220px;
  transition: box-shadow 0.2s;
}

.feature-item:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.feature-item img {
  width: 100%;
  display: block;
}

.feature-caption {
  font-size: 1em;
  color: #2a3a5e;
  padding: 12px 8px;
  background: #fff;
  margin: 0;
}
	
.sns-follow-section {
  background: #f8f9fa;
  padding: 32px 0 24px 0;
  text-align: center;
  border-radius: 10px;
  margin: 40px auto 0 auto;
  max-width: 700px;
}

.sns-follow-title {
  font-size: 1.4em;
  margin-bottom: 18px;
  color: #2a3a5e;
  letter-spacing: 0.04em;
}

.sns-follow-list {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.sns-follow-item img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  background: #fff;
  transition: box-shadow 0.2s, transform 0.2s;
}

.sns-follow-item img:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.20);
  transform: translateY(-3px) scale(1.06);
}

.sns-follow-home {
  margin-top: 18px;
}

.sns-home-link {
  display: inline-block;
  background: #2a3a5e;
  color: #fff;
  padding: 10px 30px;
  border-radius: 25px;
  font-weight: bold;
  font-size: 1.1em;
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: background 0.2s;
}

.sns-home-link:hover {
  background: #1a2540;
}

/* レスポンシブ対応 */
@media (max-width: 600px) {
  .sns-follow-list {
    gap: 14px;
  }
  .sns-follow-item img {
    width: 42px;
    height: 42px;
  }
}

.buy-btn {
  display: block;
  width: 120px;
  margin: 12px auto 0 auto;
  padding: 10px 0;
  background: #111;
  color: #fff;
  text-align: center;
  font-weight: bold;
  font-size: 1.1em;
  border-radius: 4px;
  letter-spacing: 0.15em;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.07);
}

.buy-btn:hover {
  background: #fff;
  color: #111;
  border: 1px solid #111;
}