:root {
  --ivory:       #FDF8F6;
  --white:       #FFFFFF;
  --ink:         #2A2030;
  --ink-light:   #5A4E5C;

  /* Rose / Coral palette */
  --rose:        #C85A7A;
  --rose-deep:   #A8426A;
  --coral:       #E07A72;
  --coral-light: #F0A898;
  --rose-pale:   #FDF0F3;
  --rose-border: #F0CEDA;

  /* Cool green accent (restrained) */
  --sage:        #4A8080;
  --sage-pale:   #EBF4F4;

  --gold:        #B8865A;
  --border:      #EDD8E2;
  --shadow:      rgba(200,90,122,0.09);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--ivory);
  color: var(--ink);
  line-height: 1.85;
  font-size: 15px;
}

/* ── TOP STRIP ─────────────────────────── */
.top-strip {
  background: var(--rose);
  color: white;
  text-align: center;
  padding: 10px 16px;
  font-size: 12.5px;
  letter-spacing: 0.07em;
}

/* ── HERO ──────────────────────────────── */
.hero {
  background: url('../images/hero-bg.jpg') center center / cover no-repeat;
  border-bottom: 1px solid var(--border);
  padding: 72px 24px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(253,248,246,0.72) 0%, rgba(255,255,255,0.65) 50%, rgba(253,240,243,0.75) 100%);
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--rose), var(--coral-light), var(--rose));
  z-index: 2;
}

.hero-date-badge {
  display: inline-block;
  border: 1.5px solid var(--rose);
  color: var(--rose);
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 5px 20px;
  border-radius: 2px;
  font-family: 'Noto Serif JP', serif;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(26px, 5.5vw, 40px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: 0.03em;
}
.hero h1 span.accent { color: var(--rose); }

.lecturer-block {
  margin: 18px auto 28px;
  padding: 18px 32px;
  display: inline-block;
  border-top: 1px solid var(--rose-border);
  border-bottom: 1px solid var(--rose-border);
}
.lecturer-affil {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--ink-light);
  margin-bottom: 6px;
  font-family: 'Noto Sans JP', sans-serif;
}
.lecturer-name {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  color: var(--rose-deep);
  letter-spacing: 0.12em;
}

.hero-sub {
  font-size: clamp(15px, 2.8vw, 20px);
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 40px;
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
  line-height: 1.75;
}
.hero-sub .sub-line1 {
  display: block;
  font-size: clamp(13px, 2.2vw, 16px);
  font-weight: 400;
  color: var(--ink-light);
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}
.hero-sub .sub-line2 {
  display: block;
  font-size: clamp(18px, 3.2vw, 24px);
  font-weight: 700;
  color: var(--rose-deep);
  letter-spacing: 0.06em;
}

.hero-info-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.hero-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
  background: var(--rose-pale);
  border: 1px solid var(--rose-border);
  border-radius: 6px;
  padding: 12px 20px;
}
.hero-info-item .icon {
  font-size: 18px;
  flex-shrink: 0;
}
.hero-info-item strong { color: var(--rose-deep); }

.online-badge {
  display: inline-block;
  background: #FFFFFF;
  border: 1px solid #CCCCCC;
  color: #999999;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.price-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  background: var(--rose-pale);
  border: 1.5px solid var(--rose);
  border-radius: 4px;
  padding: 9px 24px;
  margin-bottom: 30px;
}
.price-badge .price-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 30px;
  font-weight: 600;
  color: var(--rose);
}
.price-badge .price-unit {
  font-size: 13px;
  color: var(--ink-light);
}

.cta-btn {
  display: inline-block;
  background: var(--rose);
  color: white;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 17px 52px;
  border-radius: 3px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-family: 'Noto Sans JP', sans-serif;
}
.cta-btn:hover { background: var(--rose-deep); transform: translateY(-2px); }

.cta-note {
  font-size: 12px;
  color: var(--ink-light);
  margin-top: 12px;
  line-height: 1.8;
}

/* ── SECTION ───────────────────────────── */
.section {
  padding: 72px 24px;
  max-width: 820px;
  margin: 0 auto;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--rose);
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 500;
}

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(19px, 4vw, 26px);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 36px;
  line-height: 1.5;
}
.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--rose);
  margin-top: 14px;
}

/* ── CONCERN BAND ──────────────────────── */
.concern-band {
  background: var(--white);
  padding: 56px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.concern-inner { max-width: 820px; margin: 0 auto; }

.concern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.concern-item {
  background: white;
  border-left: 3px solid var(--coral);
  padding: 16px 18px;
  font-size: 14px;
  color: var(--ink);
  border-radius: 0 4px 4px 0;
  line-height: 1.7;
}

/* ── OUTLINE ────────────────────────────  */
.outline-list { list-style: none; display: flex; flex-direction: column; }

.outline-item {
  display: flex;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.outline-item:first-child { border-top: 1px solid var(--border); }

.outline-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 26px;
  font-weight: 300;
  color: var(--rose);
  flex-shrink: 0;
  width: 40px;
  line-height: 1;
  padding-top: 3px;
}
.outline-text h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.outline-text p {
  font-size: 13px;
  color: var(--ink-light);
  line-height: 1.8;
}

/* ── AUDIENCE ───────────────────────────  */
.audience-band {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 24px;
}
.audience-inner { max-width: 820px; margin: 0 auto; }

.audience-note {
  background: var(--sage-pale);
  border: 1px solid var(--sage);
  border-radius: 5px;
  padding: 16px 20px;
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.85;
  margin-bottom: 28px;
}
.audience-note strong { color: var(--sage); }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.audience-card {
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 22px 16px;
  text-align: center;
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.65;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.audience-card:hover {
  border-color: var(--rose);
  box-shadow: 0 4px 14px var(--shadow);
}
.audience-card .aud-icon {
  display: block;
  width: 28px;
  height: 28px;
  margin: 0 auto 12px;
  background: var(--rose-pale);
  border: 2px solid var(--rose);
  border-radius: 50%;
  font-size: 0;
  line-height: 0;
}

/* ── PROFILE ─────────────────────────── */
.profile-band {
  background: var(--rose-pale);
  border-top: 1px solid var(--border);
  padding: 72px 24px;
}
.profile-inner { max-width: 820px; margin: 0 auto; }

.profile-card {
  background: white;
  border-radius: 6px;
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 24px var(--shadow);
}
.profile-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: 0.06em;
}
.profile-role {
  font-size: 12px;
  color: var(--rose);
  letter-spacing: 0.14em;
  margin-bottom: 24px;
  font-weight: 500;
}
.profile-body {
  font-size: 14px;
  color: var(--ink-light);
  line-height: 1.95;
  border-top: 1px solid var(--border);
  padding-top: 22px;
}
.profile-highlight {
  background: var(--rose-pale);
  border-left: 3px solid var(--coral);
  padding: 14px 18px;
  font-size: 14px;
  color: var(--ink);
  font-family: 'Noto Serif JP', serif;
  margin-top: 22px;
  border-radius: 0 4px 4px 0;
  line-height: 1.9;
}

/* ── DETAIL TABLE ──────────────────────── */
.detail-table {
  width: 100%;
  border-collapse: collapse;
}
.detail-table tr { border-bottom: 1px solid var(--border); }
.detail-table td {
  padding: 16px 8px;
  font-size: 14px;
  vertical-align: top;
}
.detail-table td:first-child {
  width: 110px;
  color: var(--rose);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  padding-top: 18px;
}

/* ── PAYMENT BOX ─────────────────────── */
.payment-box {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 28px 28px;
  margin-top: 32px;
}
.payment-box h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--rose-deep);
  margin-bottom: 16px;
  font-family: 'Noto Serif JP', serif;
}
.payment-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.payment-step:last-child { margin-bottom: 0; }
.step-num {
  width: 26px;
  height: 26px;
  background: var(--rose);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-text { font-size: 13.5px; color: var(--ink); line-height: 1.75; }
.step-text strong { color: var(--rose-deep); }

.bank-info {
  background: var(--rose-pale);
  border: 1px solid var(--rose-border);
  border-radius: 5px;
  padding: 18px 20px;
  font-size: 13px;
  color: var(--ink);
  line-height: 2;
  margin-top: 14px;
}
.bank-info strong { font-size: 14px; display: block; margin-bottom: 6px; color: var(--rose-deep); }

.url-notice {
  background: var(--sage-pale);
  border: 1.5px solid var(--sage);
  border-radius: 5px;
  padding: 16px 20px;
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.85;
  margin-top: 16px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.url-notice::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--sage);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 3px;
}

/* ── FORM ────────────────────────────── */
.form-band {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 72px 24px 80px;
  text-align: center;
}
.form-inner { max-width: 560px; margin: 0 auto; }

.form-box {
  background: var(--ivory);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 40px;
  text-align: left;
  margin-top: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--rose);
  font-weight: 700;
  margin-bottom: 7px;
}
.form-group label span.req { color: #c0392b; margin-left: 4px; font-size: 11px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: 'Noto Sans JP', sans-serif;
  background: white;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--rose); }

.privacy-note {
  background: var(--rose-pale);
  border: 1px solid var(--rose-border);
  border-radius: 4px;
  padding: 16px 18px;
  font-size: 12px;
  color: var(--ink-light);
  line-height: 1.85;
  margin-bottom: 22px;
}
.privacy-note strong { color: var(--rose-deep); }

.form-submit-btn {
  width: 100%;
  background: var(--rose);
  color: white;
  border: none;
  padding: 17px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: 'Noto Sans JP', sans-serif;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}
.form-submit-btn:hover { background: var(--rose-deep); }

/* ── ORGANIZER ──────────────────────── */
.organizer-band {
  background: var(--ivory);
  border-top: 1px solid var(--border);
  padding: 48px 24px;
}
.organizer-inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}
.organizer-block { flex: 1; min-width: 240px; }
.organizer-block .org-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--rose);
  font-weight: 700;
  margin-bottom: 8px;
}
.organizer-block .org-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.65;
}
.organizer-block .org-person {
  font-size: 13px;
  color: var(--ink-light);
  margin-top: 4px;
}

/* ── CANCEL BOX ─────────────────────── */
.cancel-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px 28px;
  font-size: 13.5px;
  color: var(--ink-light);
  line-height: 1.9;
  margin-top: 40px;
}
.cancel-box h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--rose-deep);
  margin-bottom: 10px;
}

/* ── FOOTER ─────────────────────────── */
footer {
  background: var(--ink);
  color: #aaa;
  text-align: center;
  padding: 36px 24px;
  font-size: 12px;
  line-height: 2;
}
footer .org-name-ft { color: white; font-size: 13.5px; font-weight: 500; margin-bottom: 6px; }

@media (max-width: 600px) {
  .profile-card { padding: 26px 18px; }
  .form-box { padding: 24px 18px; }
  .payment-box { padding: 22px 16px; }
  .hero { padding: 56px 20px 48px; }
  .detail-table td:first-child { width: 82px; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero h1       { animation: fadeUp 0.65s ease both; }
.hero-sub      { animation: fadeUp 0.65s 0.1s ease both; }
.hero-info-row { animation: fadeUp 0.65s 0.2s ease both; }
.cta-btn       { animation: fadeUp 0.65s 0.3s ease both; }