@import url("https://fonts.googleapis.com/css2?family=Do+Hyeon&display=swap");

:root{ --max-width:1400px; --ink:#fff; }

.ptb-hero{
  position:relative; color:var(--ink);
  background:url("./images/background02.jpg") center/cover no-repeat;
}
.ptb-hero::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(15deg, rgba(0,0,0,.18), rgba(0,0,0,0) 45%);
  pointer-events:none;
}
.ptb-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(16px,3vw,36px) clamp(16px,2vw,24px);
  text-align: center;
  font-family: 'Do Hyeon', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px,1vw,10px);
}

/* 英語タイトル（上）＋左右ライン */
.ptb-title{
  margin:0; padding:0 clamp(22px,2.6vw,32px);
  font: 400 clamp(20px,5vw,42px)/1.2 'Do Hyeon', sans-serif;
  color:#fff;
  letter-spacing:.12em; text-transform:uppercase; display:inline-flex; align-items:center;
}
.ptb-title::before, .ptb-title::after{
  content:""; display:inline-block; width: clamp(24px,5vw,80px); height:2px;
  background:rgba(255,255,255,.9); margin:0 clamp(8px,1.6vw,14px);
}

/* 日本語サブタイトル（下） */
.ptb-sub.under-en {
  margin: 0;
  padding: 0;
  font: 700 clamp(10px,1.8vw,16px)/1 'Do Hyeon', sans-serif;
  letter-spacing: .10em;
  color: #fff;
  opacity: .95;
  position: relative;
  display: inline-block;
}

/* ▼ 両サイドの線を消したい場合はこの2行を削除または無効化 ▼ */
.ptb-sub.under-en::before,
.ptb-sub.under-en::after {
  display: none;
}

/* パンくず（既存のまま） */
.ptb-breadcrumb{ background:#111; color:#ddd; font:400 12px/1.6 'Do Hyeon', sans-serif; }
.ptb-breadcrumb>ol{ max-width:var(--max-width); margin:0 auto; padding:10px clamp(16px,2vw,24px);
  list-style:none; display:flex; flex-wrap:wrap; gap:8px; }
.ptb-breadcrumb li{ display:inline-flex; align-items:center; }
.ptb-breadcrumb li+li::before{ content:"|"; color:#888; margin:0 8px; }
.ptb-breadcrumb a{ color:#fff; text-decoration:none; }
.ptb-breadcrumb a:hover{ text-decoration:underline; }
.ptb-breadcrumb [aria-current="page"]{ color:#fff; font-weight:700; }