:root {
  --bg: #0e0e11;
  --panel: #18181d;
  --panel-line: #2a2a31;
  --orange: #ff6b35;
  --text: #f5f5f5;
  --sub: #b3b3bd;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
}
a { color: var(--orange); }

/* header / nav */
header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--panel-line);
  z-index: 10;
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.brand {
  font-weight: bold;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  color: var(--text);
  text-decoration: none;
}
nav a {
  color: var(--sub);
  text-decoration: none;
  font-size: 0.9rem;
  margin-left: 22px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
nav a:hover { color: var(--text); }
nav a.active { color: var(--orange); border-bottom-color: var(--orange); }

/* hero */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 24px 56px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -100px; right: -140px;
  width: 420px; height: 420px;
  background: var(--orange);
  opacity: 0.12;
  border-radius: 50%;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }
.badge {
  display: inline-block;
  background: var(--orange);
  color: #10192b;
  padding: 5px 16px;
  font-weight: bold;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.photo-placeholder {
  width: 140px;
  height: 140px;
  margin-bottom: 24px;
  border-radius: 50%;
  border: 2px dashed #444;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
  font-size: 0.8rem;
  text-align: center;
  line-height: 1.5;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.15;
  margin: 0 0 8px;
}
.hero .reading { color: var(--sub); font-size: 0.9rem; margin-bottom: 22px; }
.tagline {
  font-size: 1.9rem;
  font-weight: bold;
  color: var(--orange);
  border-left: 4px solid var(--orange);
  padding-left: 16px;
  margin: 0;
  line-height: 1.4;
}
.sub-tagline {
  margin: 16px 0 0 20px;
  color: var(--sub);
  font-size: 1rem;
}

/* nav cards on homepage */
.nav-cards {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px 64px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.nav-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 10px;
  padding: 26px 22px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .15s;
}
.nav-card:hover { border-color: var(--orange); }
.nav-card .nav-card-label {
  color: var(--orange);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  font-weight: bold;
  margin-bottom: 8px;
  display: block;
}
.nav-card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.nav-card p { margin: 0; font-size: 0.85rem; color: var(--sub); }

/* page sections */
.page-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 24px 64px;
}
.page-title {
  font-size: 1.6rem;
  margin: 0 0 8px;
}
.page-lead {
  color: var(--sub);
  font-size: 0.95rem;
  margin: 0 0 40px;
}

/* profile placeholder */
.profile-box {
  border: 1px dashed #444;
  border-radius: 12px;
  padding: 44px 24px;
  text-align: center;
  color: #888;
}
.profile-text {
  max-width: 640px;
  font-size: 0.98rem;
  color: var(--sub);
}
.profile-text p { margin: 0 0 20px; }
.profile-text p:last-child { margin-bottom: 0; }

/* policy cards */
.policy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px;
  background: var(--panel-line);
}
.policy-card {
  background: var(--bg);
  padding: 26px 22px;
}
.policy-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--orange);
  display: block;
  margin-bottom: 8px;
}
.policy-card h3 { margin: 0 0 10px; font-size: 1.05rem; }
.policy-card p { margin: 0; font-size: 0.9rem; color: var(--sub); }
.policy-card.open-slot { background: #1c140f; }
.policy-card.open-slot p.lead {
  color: var(--orange);
  font-weight: bold;
  font-size: 1rem;
  margin-bottom: 8px;
}
.policy-card details { margin-top: 14px; }
.policy-card summary {
  cursor: pointer;
  color: var(--orange);
  font-size: 0.88rem;
  font-weight: bold;
}
.detail-body { margin-top: 14px; font-size: 0.9rem; color: var(--sub); }
.detail-hook { font-size: 1.05rem; font-weight: bold; color: var(--text); margin: 0 0 10px; }
.detail-headline { font-weight: bold; color: var(--orange); margin: 0 0 14px; line-height: 1.6; }
.detail-body p { margin: 0 0 12px; }
.detail-body p:last-child { margin-bottom: 0; }

/* contact */
.contact-box { text-align: left; }
.contact-box a { text-decoration: none; word-break: break-all; }
.contact-box a:hover { text-decoration: underline; }
.sns-placeholder { margin-top: 18px; font-size: 0.85rem; color: #888; }

footer {
  text-align: center;
  padding: 30px 20px;
  color: #666;
  font-size: 0.8rem;
  border-top: 1px solid var(--panel-line);
}