@charset "utf-8";
/* CSS Document */
/* 章の始まり感を強く出すH2（パターン2 修正版） */
.special-h2--band {
  text-align: center;
  font-size: 2.6rem;
  font-weight: 900;
  color: #222;
  background: linear-gradient(180deg, rgba(52, 152, 219, 0.08) 0%, transparent 50%);
  padding: 1.2rem 2rem;
  margin: 4rem auto 2.8rem;
  max-width: 90%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  position: relative;
  
  /* 元のH2から来る赤い下線などの影響を強制的に無効化 */
  border-bottom: none !important;
  border: none !important;          /* 念のため */
}

/* 擬似要素を完全に削除（上部の線も下部の赤ラインも出ないように） */
.special-h2--band::before,
.special-h2--band::after {
  content: none !important;
  display: none !important;
}

/* スマホ調整 */
@media (max-width: 768px) {
  .special-h2--band {
    font-size: 2rem;
    margin: 3rem 0 2rem;
    padding: 1rem 1.5rem;
  }
}

/* スマホ調整（共通） */
@media (max-width: 768px) {
  .special-h2,
  .special-h2--band,
  .special-h2--luxury {
    font-size: 2rem;
    margin: 3rem 0 2rem;
  }
}
<style>
/* 共通リセット・基本スタイル */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: #333;
}

/* ── 比較表（responsive-table） ── */
.responsive-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 0.95em;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}

.responsive-table th,
.responsive-table td {
  border: 1px solid #ddd;
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}

.responsive-table th {
  background: linear-gradient(135deg, #f0f4f8, #e3e9ef);
  font-weight: 600;
  color: #2c3e50;
}

.responsive-table tr:nth-child(even) {
  background-color: #f9fbff;
}

.responsive-table tr:hover {
  background-color: #eef4ff;
  transition: background-color 0.2s;
}

/* スマホ対応（カード風） */
@media screen and (max-width: 600px) {
  .responsive-table {
    border: 0;
  }
  .responsive-table thead {
    display: none;
  }
  .responsive-table tr {
    display: block;
    margin-bottom: 1.4em;
    border: 1px solid #d1d9e0;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    overflow: hidden;
  }
  .responsive-table td {
    display: block;
    text-align: right;
    border: 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding: 12px 15px 12px 55%;
  }
  .responsive-table td:last-child {
    border-bottom: 0;
  }
  .responsive-table td::before {
    content: attr(data-label);
    position: absolute;
    left: 0;
    width: 52%;
    padding-left: 15px;
    font-weight: 600;
    text-align: left;
    color: #34495e;
    white-space: normal;
  }
}

/* ── お洒落まとめボックス（summary-box） ── */
.summary-box {
  background: linear-gradient(135deg, #f8f9fa 0%, #eef2f5 100%);
  border: 1px solid #dee2e6;
  border-radius: 16px;
  padding: 28px 32px;
  margin: 2.5em 0;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  max-width: 900px;
}

.summary-box h3 {
  margin: 0 0 1.4em;
  font-size: 1.4em;
  color: #2c3e50;
  border-bottom: 3px solid #3498db;
  padding-bottom: 0.6em;
  text-align: center;
  letter-spacing: 0.5px;
}

.summary-box .types {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6em;
  margin: 1.8em 0;
}

.summary-box .type-card {
  flex: 1;
  min-width: 280px;
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.07);
  border-left: 6px solid;
  transition: transform 0.2s, box-shadow 0.2s;
}

.summary-box .type-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.summary-box .type-card.electric-wire {
  border-left-color: #e74c3c;
}

.summary-box .type-card.graphene {
  border-left-color: #27ae60;
}

.summary-box .type-card strong {
  font-size: 1.2em;
  display: block;
  margin-bottom: 0.7em;
  color: #2c3e50;
}

.summary-box .trend {
  background: #e8f5ff;
  padding: 16px 20px;
  border-radius: 10px;
  margin: 1.8em 0;
  font-weight: 500;
  border-left: 5px solid #3498db;
  line-height: 1.7;
}

.summary-box .choice {
  margin-top: 2em;
  padding-top: 1.4em;
  border-top: 1px dashed #bdc3c7;
}

.summary-box .choice p {
  margin: 1em 0;
  font-size: 1.05em;
}

.summary-box .choice strong {
  color: #2980b9;
}

/* スマホ調整（まとめボックス） */
@media (max-width: 600px) {
  .summary-box {
    padding: 20px 18px;
    margin: 2em 0;
  }
  .summary-box .types {
    flex-direction: column;
    gap: 1.4em;
  }
  .summary-box h3 {
    font-size: 1.3em;
  }
}
</style>