/* intro: ページ全体の前段に置くリード文セクション */
.intro{
  padding: clamp(40px, 5vw, 56px) 0 0;
}
main.docs .intro{ border-bottom: none; }
.intro-inner{
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.intro p{
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-sub);
  max-width: 760px;
}
.message{
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: flex-start;
}
.message-mark{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-sub);
  margin: 0 0 20px;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
}
.message-mark::before{
  content:""; width: 20px; height: 1px; background: var(--accent);
}
.message-lead{
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.04em;
  margin: 0 0 28px;
  text-wrap: balance;
  color: var(--text);
}
.message-lead em{
  font-style: normal;
  background: linear-gradient(transparent 65%, rgba(230,0,35,0.18) 65%);
  padding: 0 2px;
}
.message-sign{
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-sub);
}
.message-sign .name{
  display: block;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.message-right p{
  font-size: 15.5px;
  line-height: 2;
  margin: 0 0 24px;
  color: var(--text);
}
.message-right p:last-child{ margin-bottom: 0; }
.message-right p strong{
  font-weight: 700;
  background: linear-gradient(transparent 70%, rgba(230,0,35,0.14) 70%);
  padding: 0 2px;
}
/* ===== レスポンシブ（≤ 767px） ===== */
@media (max-width: 767px){
  .message{ grid-template-columns: 1fr; }
}
.company-table{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.company-table dl{
  margin: 0;
  display: grid;
  grid-template-columns: 220px 1fr;
}
.company-table dt, .company-table dd{
  margin: 0;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.9;
}
.company-table dt{
  background: #EEF0F3;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.06em;
  border-right: 1px solid var(--line);
}
.company-table dd{
  color: var(--text);
}
.company-table dl > *:nth-last-child(-n+2){ border-bottom: none; }
.company-table dd ul{
  list-style: none;
  padding: 0; margin: 0;
}
.company-table dd ul li{
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}
.company-table dd ul li:last-child{ margin-bottom: 0; }
.company-table dd ul li::before{
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 8px; height: 1px;
  background: var(--accent);
}
.company-table dd .note{
  display: block;
  color: var(--text-sub);
  font-size: 13px;
  margin-top: 4px;
}
/* ===== レスポンシブ（≤ 767px） ===== */
@media (max-width: 767px){
  .company-table dl{ grid-template-columns: 1fr; }
  .company-table dt{
    border-right: none;
    padding: 16px 22px 10px;
    border-bottom: 1px dashed var(--line);
  }
  .company-table dd{ padding: 14px 22px 18px; }
}
.history-wrap{
  max-width: 860px;
  margin: 0 auto;
}
.history{
  margin: 0;
  padding: 0;
  list-style: none;
}
.history li{
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 14px 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}
.history .year{
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
}
.history .event{
  color: var(--text);
}
/* ===== レスポンシブ（≤ 767px） ===== */
@media (max-width: 767px){
  .history li{ grid-template-columns: 1fr; gap: 4px; padding: 10px 0; }
}
/* company — アクセス（縦並びマップ + 住所カード / 二段シャドウ）
   灰色背景（--bg-sub）の上に白カードを2枚積む構成。
*/
.access{
  display: block;
}
.access-map{
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
  margin: 0 0 24px;
  min-height: 420px;
  overflow: hidden;
  box-shadow:
    0 2px 4px rgba(0,0,0,.06),
    0 16px 32px -12px rgba(0,0,0,.14);
}
.access-map iframe{
  width: 100%;
  height: 380px;
  min-height: 380px;
  border: 0;
  border-radius: 4px;
  display: block;
}
.access-info{
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 30px;
  box-shadow:
    0 2px 4px rgba(0,0,0,.06),
    0 16px 32px -12px rgba(0,0,0,.14);
}
.access-info dl{
  display: grid;
  grid-template-columns: 100px 1fr 100px 1fr;
  column-gap: 28px;
  row-gap: 18px;
  margin: 0;
}
.access-info dt{
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  padding-top: 2px;
  letter-spacing: 0.06em;
}
.access-info dd{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--text);
}
/* ===== レスポンシブ（≤ 767px） =====
   - マップ：高さ圧縮（320px）
   - 連絡先 dl：4列→1列（カードの縦並びは元々維持） */
@media (max-width: 767px){
  .access{ display: block; }
  .access-map{ min-height: 320px; }
  .access-map iframe{ min-height: 320px; }
  #access .access-info dl{ grid-template-columns: 1fr; row-gap: 10px; }
}
.access-link-wrap{
  display: inline-block;
  white-space: nowrap;
  margin-left: 0.5em;
}
.access-link-wrap a{
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}
.access-link-wrap a:hover{
  color: var(--accent);
}
@media (max-width: 767px){
  .access-link-wrap{
    margin-left: 0.4em;
  }
}
/* =========================================================
   N-1 / SOFT CARD section heading
   ========================================================= */
.sec-head:has(.h-section) {
  display: block;
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: clamp(28px, 3.4vw, 40px);
  gap: 0;
}
.h-section {
  position: relative;
  display: block;
  width: 100%;
  padding: 18px 24px 18px 28px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #eef0f2;
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.02),
    0 12px 28px -16px rgba(15, 23, 42, 0.18),
    0 2px 6px -2px rgba(15, 23, 42, 0.06);
  box-sizing: border-box;
}
.h-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent) 0%, #8a0014 100%);
  border-radius: 10px 0 0 10px;
}
.h-section h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--text);
  padding-left: 0;
  border-left: none;
}
.sec-head .h-section + .sec-lead,
.h-section + .sec-lead {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.95;
  margin: 16px 0 0;
  max-width: 720px;
}