/* 勉強会アーカイブ専用スタイル */

.seminar-main { background: var(--bg); }

/* Hero */
.seminar-hero {
  padding: 112px 0 56px;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  text-align: center;
}

.seminar-hero-title {
  font-size: 36px;
  letter-spacing: .06em;
  line-height: 1.5;
  margin: 14px 0 22px;
  color: var(--text-strong);
  font-weight: 700;
}

.seminar-hero-lead {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 2.1;
}

/* Top LINE banner */
.seminar-line-banner {
  background: var(--bg-darker);
  color: var(--text-on-dark);
  padding: 56px 0;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.seminar-line-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: center;
}

.seminar-line-eyebrow {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--line);
  margin-bottom: 12px;
}

.seminar-line-copy h2 {
  font-size: 26px;
  letter-spacing: .06em;
  line-height: 1.5;
  color: var(--text-on-dark);
  margin-bottom: 16px;
}

.seminar-line-copy p {
  font-size: 14.5px;
  color: var(--text-on-dark-muted);
  line-height: 2;
}

.seminar-line-copy strong { color: var(--text-on-dark); }

.seminar-line-cta {
  text-align: center;
}

.seminar-line-cta .btn { width: 100%; max-width: 320px; }

.seminar-line-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-on-dark-muted);
  letter-spacing: .04em;
}

/* Sections */
.seminar-section { padding: 96px 0; }
.seminar-section-light { background: var(--bg-soft); }

.seminar-section-head {
  text-align: center;
  margin-bottom: 48px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.seminar-section-head h2 {
  font-size: 28px;
  letter-spacing: .06em;
  line-height: 1.5;
  margin: 12px 0 16px;
  color: var(--text-strong);
}

.seminar-section-lead {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 2;
}

/* Seminar list & item */
.seminar-list {
  display: grid;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

.seminar-item {
  position: relative;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  align-items: start;
  padding: 36px 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.seminar-item:hover {
  border-color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -20px rgba(20, 23, 28, .15);
}

.seminar-status {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: "Inter", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
  padding: 4px 12px;
  border-radius: 999px;
}

.seminar-status-open {
  background: var(--line);
  color: #fff;
}

.seminar-status-done {
  background: var(--bg-warm, #efece6);
  color: var(--text-soft);
  border: 1px solid var(--border);
}

.seminar-item-date {
  text-align: center;
  padding-top: 8px;
  border-right: 1px dashed var(--border-strong);
  padding-right: 24px;
}

.seminar-item-month {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--navy);
  line-height: 1;
}

.seminar-item-day {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text-strong);
  line-height: 1;
  margin-top: 4px;
}

.seminar-list-past .seminar-item-month {
  font-size: 13px;
  letter-spacing: .15em;
  color: var(--text-muted);
}

.seminar-item-theme {
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: .25em;
  color: var(--navy);
  background: rgba(31, 58, 95, .08);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.seminar-item-title {
  font-size: 19px;
  letter-spacing: .05em;
  line-height: 1.6;
  margin-bottom: 14px;
  color: var(--text-strong);
}

.seminar-item-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 18px;
}

.seminar-item-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  gap: 4px;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}

.seminar-item-meta li {
  font-size: 12.5px;
  color: var(--text-muted);
}

.seminar-item-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* シリーズの内訳（週次トピック） */
.seminar-series-list {
  list-style: none;
  padding: 16px 20px;
  margin: 0 0 16px;
  background: var(--bg-soft);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  display: grid;
  gap: 6px;
}

.seminar-series-list li {
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.9;
  padding-left: 8px;
  position: relative;
}

.seminar-series-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--navy);
}

.seminar-series-list strong {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--navy);
  margin-right: 8px;
}

.seminar-series .seminar-item-day {
  font-size: 24px;
}

/* =========================================================
   直近の開催予定（情報 ＋ チラシ 横並び）
   ========================================================= */
.upcoming-row {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 36px;
  align-items: stretch;
  max-width: 1040px;
  margin: 0 auto;
}

.upcoming-row-card {
  max-width: 1080px;
  padding: 36px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 28px -16px rgba(20, 23, 28, .1);
}

.upcoming-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 28px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.upcoming-row-card .upcoming-info {
  background: transparent;
  border: none;
  padding: 0;
}

.upcoming-info .schedule-status {
  align-self: flex-start;
  margin: 0 !important;
}

.upcoming-date {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .04em;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  margin: 0;
}

.upcoming-date-month,
.upcoming-date-day {
  font-size: 56px;
}

.upcoming-date-slash {
  font-size: 36px;
  color: var(--text-soft);
  margin: 0 4px;
}

.upcoming-theme {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: .25em;
  color: var(--navy);
  margin: 0;
}

.upcoming-title {
  font-size: 19px;
  letter-spacing: .04em;
  line-height: 1.6;
  margin: 0;
  color: var(--text-strong);
}

.upcoming-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
  margin: 0;
}

.upcoming-meta {
  list-style: none;
  padding: 14px 0 0;
  margin: 4px 0 8px;
  border-top: 1px dashed var(--border);
  display: grid;
  gap: 4px;
}

.upcoming-meta li {
  font-size: 12.5px;
  color: var(--text-muted);
}

.upcoming-info .btn {
  margin-top: 4px;
  align-self: flex-start;
}

.upcoming-row .seminar-flyer {
  margin: 0;
  max-width: none;
}

@media (max-width: 880px) {
  .upcoming-row { grid-template-columns: 1fr; gap: 20px; }
  .upcoming-row-card { padding: 24px; }
  .upcoming-info { padding: 24px 20px; }
  .upcoming-date-month, .upcoming-date-day { font-size: 42px; }
  .upcoming-date-slash { font-size: 28px; }
  .upcoming-title { font-size: 17px; }
  .upcoming-info .btn { width: 100%; max-width: 360px; }
}

/* =========================================================
   勉強会チラシ（CSS再現）
   ========================================================= */
.seminar-flyer {
  position: relative;
  max-width: 640px;
  margin: 24px 0;
  padding: 36px 36px 30px;
  background:
    linear-gradient(180deg, #f9faff 0%, #ffffff 100%);
  border: 1px solid var(--border);
  border-left: 4px solid #6b7fb8;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 28px -16px rgba(20, 23, 28, .12);
  text-align: left;
  font-family: "Noto Sans JP", sans-serif;
}

.seminar-flyer-inline {
  margin: 32px auto 16px;
}

.seminar-flyer-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  color: #5a6789;
  background: #e6ebf6;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.seminar-flyer-eyebrow {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: .04em;
  margin: 0 0 10px;
  line-height: 1.5;
}

.seminar-flyer-headline {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: .03em;
  line-height: 1.5;
  margin: 0 0 18px;
  color: var(--text-strong);
}

.seminar-flyer-title {
  font-size: 24px;
  font-weight: 800;
  text-align: center;
  letter-spacing: .04em;
  margin: 18px 0 14px;
  line-height: 1.5;
}

.seminar-flyer-sub {
  text-align: center;
  font-size: 14px;
  color: var(--text);
  margin: 0 0 18px;
  line-height: 1.8;
}

.seminar-flyer-highlight {
  position: relative;
  display: block;
  margin: 18px 0;
  padding: 14px 16px 14px 36px;
  background: #eef0f9;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.6;
  letter-spacing: .02em;
}

.seminar-flyer-highlight::before {
  content: "📝";
  position: absolute;
  left: 12px;
  top: 14px;
  font-size: 14px;
}

.seminar-flyer-highlight::after {
  content: "";
  position: absolute;
  left: 36px;
  right: 16px;
  bottom: 12px;
  height: 8px;
  background: rgba(255, 220, 120, .55);
  z-index: -1;
}

.seminar-flyer-footer {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* アクセントカラー（チラシ内のキーワード） */
.seminar-flyer .ac-red { color: #e36b6b; }
.seminar-flyer .ac-blue { color: #5b6fc8; }

/* チラシをクリックで告知ページへ */
.seminar-flyer-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform .25s ease, box-shadow .25s ease;
}

.seminar-flyer-link:hover {
  opacity: 1;
  transform: translateY(-3px);
}

.seminar-flyer-link:hover .seminar-flyer {
  box-shadow: 0 24px 48px -22px rgba(20, 23, 28, .25);
}

.upcoming-meta-line {
  font-size: 12.5px;
  color: var(--text-muted);
  letter-spacing: .04em;
  margin: 0 0 2px;
}

/* 代償動作チラシは赤アクセント主体 */
.seminar-flyer-daisho .seminar-flyer-headline {
  font-size: 28px;
}

.seminar-flyer-daisho .seminar-flyer-sub .ac-red {
  font-weight: 800;
  font-size: 16px;
}

.seminar-flyer-shoku .seminar-flyer-title {
  font-size: 26px;
}

@media (max-width: 720px) {
  .seminar-flyer { padding: 28px 22px 24px; }
  .seminar-flyer-headline { font-size: 19px; }
  .seminar-flyer-title { font-size: 19px; }
  .seminar-flyer-daisho .seminar-flyer-headline { font-size: 22px; }
  .seminar-flyer-shoku .seminar-flyer-title { font-size: 21px; }
}

.seminar-item-tags li {
  font-size: 11.5px;
  color: var(--text-muted);
  padding: 3px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}

.seminar-disclaimer {
  text-align: center;
  margin-top: 36px;
  font-size: 12px;
  color: var(--text-soft);
}

/* 開催予定なし empty state */
.seminar-empty-block {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 28px;
  text-align: center;
  background: var(--bg-soft);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

.seminar-empty-lead {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text-strong);
  margin-bottom: 10px;
}

.seminar-empty-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 24px;
}

.seminar-empty-desc strong { color: var(--text-strong); }

/* Why LINE */
.why-line-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.why-line-list li {
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.why-line-num {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3em;
  color: var(--line);
  margin-bottom: 14px;
  display: block;
}

.why-line-list h3 {
  font-size: 17px;
  letter-spacing: .04em;
  margin-bottom: 10px;
}

.why-line-list p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
}

/* Bottom CTA */
.seminar-cta-section {
  padding: 112px 0;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  position: relative;
}

.seminar-cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 50% 0%, rgba(6, 199, 85, .12), transparent 70%);
  pointer-events: none;
}

.seminar-cta-inner {
  position: relative;
  text-align: center;
}

.seminar-cta-eyebrow { color: var(--line); }

.seminar-cta-title {
  font-size: 28px;
  letter-spacing: .06em;
  line-height: 1.5;
  margin: 12px 0 18px;
  color: var(--text-on-dark);
}

.seminar-cta-lead {
  font-size: 15px;
  color: var(--text-on-dark-muted);
  line-height: 2;
  margin-bottom: 28px;
}

.seminar-cta-note {
  font-size: 12.5px;
  color: var(--text-on-dark-muted);
  margin-top: 16px;
}

@media (max-width: 960px) {
  .seminar-line-inner { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .why-line-list { grid-template-columns: 1fr; }
  .seminar-item { grid-template-columns: 100px 1fr; gap: 20px; padding: 28px 22px; }
}

@media (max-width: 720px) {
  .seminar-hero { padding: 72px 0 40px; }
  .seminar-hero-title { font-size: 26px; }
  .seminar-section { padding: 64px 0; }
  .seminar-section-head h2 { font-size: 22px; }
  .seminar-line-copy h2 { font-size: 20px; }
  .seminar-item { grid-template-columns: 1fr; gap: 12px; padding: 24px 20px; }
  .seminar-item-date { border-right: none; padding-right: 0; padding-bottom: 8px; border-bottom: 1px dashed var(--border-strong); text-align: left; }
  .seminar-item-month, .seminar-item-day { display: inline-block; font-size: 24px; }
  .seminar-list-past .seminar-item-month { font-size: 13px; }
  .seminar-status { top: 16px; right: 16px; }
  .seminar-item-title { font-size: 17px; }
  .seminar-cta-section { padding: 80px 0; }
  .seminar-cta-title { font-size: 22px; }
}

/* =========================================================
   告知ページ（個別イベント）
   ========================================================= */
.event-page .article-title {
  font-size: 28px;
  letter-spacing: .04em;
  line-height: 1.5;
}

.event-page .article-title small {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--text-muted);
}

.event-flyer-wrap {
  max-width: 720px;
  padding-top: 32px;
  padding-bottom: 8px;
}

.event-flyer-wrap .seminar-flyer {
  margin: 0 auto;
}

.event-body {
  max-width: 720px;
  padding-top: 48px;
  padding-bottom: 24px;
}

.event-body p {
  font-size: 15.5px;
  line-height: 2.1;
  margin-bottom: 16px;
  color: var(--text);
}

.event-lead {
  font-weight: 700;
  font-size: 17px !important;
  letter-spacing: .04em;
  color: var(--text-strong);
  margin-bottom: 24px !important;
}

.event-theme-line {
  font-size: 22px !important;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--navy);
  margin: 8px 0 !important;
}

.event-quote {
  position: relative;
  margin: 28px 0 !important;
  padding: 18px 22px;
  background: var(--bg-soft);
  border-left: 3px solid var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15.5px !important;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--text-strong);
  line-height: 2;
}

.event-check-list {
  list-style: none;
  padding: 22px 24px;
  margin: 24px 0;
  background: rgba(255, 220, 120, .12);
  border: 1px solid rgba(255, 220, 120, .55);
  border-radius: var(--radius);
}

.event-check-list li {
  position: relative;
  padding: 6px 0 6px 32px;
  font-size: 15px;
  line-height: 1.9;
  font-weight: 600;
  color: var(--text-strong);
}

.event-check-list li::before {
  content: "✔︎";
  position: absolute;
  left: 4px;
  top: 7px;
  color: #d4a017;
  font-weight: 700;
}

.event-curriculum {
  list-style: none;
  padding: 20px 24px;
  margin: 16px 0 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.event-curriculum li {
  position: relative;
  padding: 6px 0 6px 22px;
  font-size: 14.5px;
  color: var(--text);
  line-height: 1.85;
}

.event-curriculum li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 12px;
  height: 1.5px;
  background: var(--navy);
}

/* 開催詳細 */
.event-details-wrap {
  padding-top: 24px;
  padding-bottom: 24px;
}

.event-details {
  margin: 0;
  border-top: 1px solid var(--border);
}

.event-details > div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--border);
}

.event-details dt {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--text-strong);
}

.event-details dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--text);
  line-height: 1.9;
}

.event-availability {
  margin-top: 18px;
  padding: 10px 16px;
  background: rgba(228, 92, 92, .08);
  border: 1px solid rgba(228, 92, 92, .25);
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  color: #b94545;
  text-align: center;
}

/* 申込 CTA */
.event-apply {
  margin-top: 40px;
  padding: 56px 32px;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-radius: var(--radius-lg);
  text-align: center;
}

.event-apply-eyebrow {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--text-on-dark-muted);
  margin-bottom: 14px;
}

.event-apply-title {
  font-size: 24px;
  letter-spacing: .06em;
  color: var(--text-on-dark);
  margin-bottom: 18px;
  line-height: 1.5;
}

.event-apply-lead {
  font-size: 14.5px;
  color: var(--text-on-dark-muted);
  line-height: 2;
  margin-bottom: 32px;
}

.event-apply-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 20px;
}

.event-apply-note {
  font-size: 12.5px;
  color: var(--text-on-dark-muted);
  line-height: 1.9;
  max-width: 540px;
  margin: 8px auto 0;
}

@media (max-width: 720px) {
  .event-page .article-title { font-size: 22px; }
  .event-page .article-title small { font-size: 13px; }
  .event-theme-line { font-size: 18px !important; }
  .event-quote { font-size: 14.5px !important; padding: 14px 18px; }
  .event-check-list, .event-curriculum { padding: 18px 18px; }
  .event-apply { padding: 40px 22px; }
  .event-apply-title { font-size: 19px; }
  .event-apply-buttons .btn { width: 100%; max-width: 360px; }
  .event-details > div { grid-template-columns: 1fr; gap: 4px; }
}