/* ========================================
   VET Seminar Portal - Design System
   ======================================== */

:root {
  --color-primary: #1a2b5f;
  --color-primary-dark: #0f1a3d;
  --color-primary-light: #2a4080;
  --color-accent: #4a9fd8;
  --color-accent-light: #e8f4fc;
  --color-white: #ffffff;
  --color-bg: #f5f7fa;
  --color-bg-alt: #eef1f6;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-border: #e0e4ea;
  --color-danger: #e53935;
  --color-success: #43a047;
  --color-warning: #fb8c00;

  --font-serif: 'Noto Serif JP', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;

  --shadow-sm: 0 2px 8px rgba(26, 43, 95, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 43, 95, 0.12);
  --shadow-lg: 0 8px 32px rgba(26, 43, 95, 0.16);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --header-height: 72px;
  --container-max: 1200px;
  --section-padding: 80px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100%;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   Header
   ======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-logo__icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 20px;
}

/* SafariはSVGにwidth/height属性が無いと、viewBoxだけでは自動サイズ計算をせず
   flexコンテナ内で0サイズに縮んでしまうことがある（Chromeでは表示される）ため、
   明示的にサイズを指定する。 */
.site-logo__icon svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
}

.site-logo__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.site-logo__tagline {
  font-size: 0.65rem;
  color: var(--color-text-light);
  line-height: 1.3;
}

.seminar-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 40px;
}

.seminar-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
}

.seminar-nav a:hover,
.seminar-nav a.is-active {
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.header-action-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.header-action-link svg {
  width: 18px;
  height: 18px;
}

/* 検索アイコン & 検索窓（PCではヘッダー右側からドロップダウンで開く） */
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}

.header-search__toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8125rem;
  line-height: 1.4;
}

.header-search__form {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  width: 320px;
  max-width: calc(100vw - 32px);
  padding: 10px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 1100;
}

.header-search.is-open .header-search__form {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-search__input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-bg);
}

.header-search__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.header-search__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  cursor: pointer;
}

.header-search__submit svg {
  width: 18px;
  height: 18px;
}

.header-search__submit:hover {
  opacity: 0.9;
}

@media screen and (max-width: 768px) {
  .header-search__form {
    top: calc(100% + 10px);
    right: -8px;
    width: 260px;
  }
}

/* ログインボタン（親テーマの .login-btn とは別クラスで干渉を回避） */
body.seminar-template .header-actions .seminar-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

body.seminar-template .header-actions .seminar-login-btn::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E") center / contain no-repeat;
}

body.seminar-template .header-actions .seminar-login-btn:hover {
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  opacity: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  white-space: nowrap;
}

.btn:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-bg);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-white:hover {
  background: var(--color-bg);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 0.9375rem;
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.8125rem;
}

.btn-icon svg {
  width: 16px;
  height: 16px;
}

/* LINEアイコンのみの正方形ボタン（.btnの余白padding: 10px 24pxを打ち消し、
   固定サイズの中でアイコンが潰れないようにする） */
.btn-line {
  padding: 0;
  gap: 0;
}

.btn-line svg {
  flex-shrink: 0;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(26, 43, 95, 0.88) 0%, rgba(26, 43, 95, 0.55) 45%, rgba(26, 43, 95, 0.25) 100%),
    url('https://g-lib.ltd/imageurl/images/image_20260703050754.png') center/cover no-repeat;
  background-color: var(--color-primary);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 80px 24px;
  color: var(--color-white);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.hero__desc {
  font-size: 0.9375rem;
  line-height: 2;
  max-width: 560px;
  margin-bottom: 40px;
  opacity: 0.95;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========================================
   Features Bar
   ======================================== */
.features-bar {
  background: var(--color-white);
  padding: 48px 0;
  margin-top: -40px;
  position: relative;
  z-index: 2;
}

.features-bar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 32px 24px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.feature-item {
  text-align: center;
  padding: 8px;
}

.feature-item__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  color: var(--color-primary);
}

.feature-item__icon svg {
  width: 100%;
  height: 100%;
}

.feature-item__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.feature-item__desc {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ========================================
   Section Common
   ======================================== */
.section {
  padding: var(--section-padding) 0;
}

.section--bg {
  background: var(--color-bg);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

.section-link svg {
  width: 16px;
  height: 16px;
}

/* ========================================
   Seminar Cards
   ======================================== */
.card-slider {
  position: relative;
}

.card-slider .card-grid {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
}

.card-slider .card-grid::-webkit-scrollbar {
  display: none;
}

.card-slider .card-grid > * {
  flex: 0 0 calc(25% - 18px);
  min-width: 260px;
  scroll-snap-align: start;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.no-seminar {
  padding: 48px 0;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.pagination a:hover,
.pagination span.current {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  opacity: 1;
}

.seminar-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.seminar-card--modal-trigger {
  cursor: pointer;
  display: block;
  width: 100%;
  text-align: left;
  border: none;
}

.seminar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.seminar-card__thumb {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.seminar-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.seminar-card__date {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  line-height: 1.3;
}

.seminar-card__date-year {
  font-size: 0.625rem;
  opacity: 0.8;
}

.seminar-card__date-day {
  font-size: 1.125rem;
  font-weight: 700;
}

.seminar-card__date-weekday {
  font-size: 0.625rem;
}

.seminar-card__body {
  padding: 16px;
}

.seminar-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.seminar-card__instructor {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.seminar-card__instructor-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  overflow: hidden;
  flex-shrink: 0;
}

.seminar-card__instructor-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.seminar-card__instructor-name {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.seminar-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.seminar-card__location {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.seminar-card__location svg {
  width: 14px;
  height: 14px;
}

.seminar-card__schedule {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.seminar-card__schedule svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.6875rem;
  font-weight: 600;
}

.badge--open {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.badge--few {
  background: #fce4ec;
  color: var(--color-danger);
}

.badge--closed {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}

.badge--member {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.badge--upcoming {
  background: #fff3e0;
  color: var(--color-warning);
}

.badge--bought {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ========================================
   Archive Cards
   ======================================== */
.archive-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.archive-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.archive-card__thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.archive-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.archive-card__body {
  padding: 16px;
}

.archive-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.archive-card__period {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

/* ========================================
   News Section
   ======================================== */
.news-list {
  border-top: 1px solid var(--color-border);
}

.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.news-item__date {
  font-size: 0.875rem;
  color: var(--color-text-light);
  white-space: nowrap;
  min-width: 100px;
}

.news-item__title {
  font-size: 0.9375rem;
  flex: 1;
}

.news-item__title a:hover {
  color: var(--color-primary);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 64px 0 32px;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col__title {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 0.8125rem;
  opacity: 0.85;
}

.footer-col ul a:hover {
  opacity: 1;
}

.footer-copyright {
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.7;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* ========================================
   Page Header (Sub pages)
   ======================================== */
.page-header {
  background: var(--color-bg);
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.page-header__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  opacity: 0.5;
}

/* ========================================
   Filter / Search Bar
   ======================================== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  flex-wrap: wrap;
}

.filter-bar__tabs {
  display: flex;
  gap: 8px;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all 0.2s;
}

.filter-tab.is-active,
.filter-tab:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.filter-bar__search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
}

.filter-bar__search input {
  border: none;
  outline: none;
  font-size: 0.875rem;
  width: 200px;
  font-family: inherit;
}

.filter-bar__search svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
}

/* ========================================
   Seminar Detail - Impact Hero
   ======================================== */
.seminar-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  background-size: cover;
  background-position: center 30%;
  background-color: var(--color-primary-dark);
  overflow: hidden;
}

.seminar-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 26, 61, 0.25) 0%, rgba(15, 26, 61, 0.45) 35%, rgba(15, 26, 61, 0.88) 75%, rgba(15, 26, 61, 0.97) 100%),
    linear-gradient(90deg, rgba(15, 26, 61, 0.6) 0%, transparent 55%);
}

.seminar-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: var(--container-max);
  min-height: inherit;
  margin: 0 auto;
  padding: 32px 24px 40px;
  color: var(--color-white);
}

.seminar-hero__back {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
  width: fit-content;
}

.seminar-hero__back svg {
  width: 18px;
  height: 18px;
}

.seminar-hero__back:hover {
  color: var(--color-white);
  opacity: 1;
}

.seminar-hero__breadcrumb {
  margin-bottom: 24px;
}

.breadcrumb--light {
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb--light a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb--light a:hover {
  color: var(--color-white);
  opacity: 1;
}

.seminar-hero__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.seminar-hero__badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.seminar-hero__kicker {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding: 4px 12px;
  border: 1px solid rgba(74, 159, 216, 0.5);
  border-radius: 20px;
  background: rgba(74, 159, 216, 0.15);
}

.seminar-hero__status {
  backdrop-filter: blur(4px);
}

.seminar-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.03em;
  max-width: 820px;
  margin-bottom: 28px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.4);
}

.seminar-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.seminar-hero__date {
  display: flex;
  align-items: center;
  gap: 12px;
}

.seminar-hero__date-day {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
}

.seminar-hero__date-sep {
  opacity: 0.5;
  margin: 0 1px;
}

.seminar-hero__date-info {
  font-size: 0.8125rem;
  line-height: 1.5;
  opacity: 0.9;
}

.seminar-hero__date-info span {
  display: block;
}

.seminar-hero__instructor {
  display: flex;
  align-items: center;
  gap: 10px;
}

.seminar-hero__instructor-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
}

.seminar-hero__instructor-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.seminar-hero__instructor-name {
  font-size: 0.875rem;
  font-weight: 600;
}

.seminar-hero__instructor-label {
  font-size: 0.625rem;
  opacity: 0.65;
  letter-spacing: 0.1em;
}

.seminar-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  opacity: 0.85;
  margin-left: auto;
}

.seminar-hero__tag svg {
  width: 15px;
  height: 15px;
}

/* Hero CTA panel */
.seminar-hero__cta {
  display: none;
  margin-top: 24px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
}

.seminar-hero__cta-price {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.seminar-hero__cta-label {
  font-size: 0.75rem;
  opacity: 0.8;
}

.seminar-hero__cta-value {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.seminar-hero__cta-value small {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  margin-left: 2px;
}

.seminar-hero__cta-actions {
  display: flex;
  gap: 10px;
}

.seminar-hero__apply {
  flex: 1;
  padding: 16px 24px;
  font-size: 1rem;
  background: #06C755;
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(6, 199, 85, 0.4);
}

.seminar-hero__apply:hover {
  background: #05b34c;
  box-shadow: 0 4px 20px rgba(6, 199, 85, 0.5);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  transition: background 0.2s;
}

.btn-ghost svg {
  width: 22px;
  height: 22px;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  opacity: 1;
}

/* Share buttons */
.seminar-share {
  position: relative;
  flex-shrink: 0;
}

.seminar-share__toggle {
  width: 52px;
  height: 52px;
}

.seminar-share__menu {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 10;
}

.seminar-share.is-open .seminar-share__menu {
  display: block;
}

.seminar-share__link,
.seminar-share__copy {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.seminar-share__link:last-child,
.seminar-share__copy:last-child {
  border-bottom: none;
}

.seminar-share__link:hover,
.seminar-share__copy:hover {
  background: var(--color-bg);
  opacity: 1;
}

.seminar-share__link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-share {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.sidebar-share__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 12px;
}

.sidebar-share__buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.sidebar-share__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-primary);
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  transition: background 0.2s, transform 0.15s;
}

.sidebar-share__btn:hover {
  background: var(--color-accent-light);
  opacity: 1;
  transform: translateY(-2px);
}

.sidebar-share__btn svg {
  width: 20px;
  height: 20px;
}

/* Mobile sticky CTA */
.seminar-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 24px rgba(26, 43, 95, 0.12);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.seminar-sticky-cta.is-visible {
  transform: translateY(0);
}

.seminar-sticky-cta__price {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.seminar-sticky-cta__price small {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
}

.seminar-sticky-cta .btn {
  flex: 1;
}

/* ========================================
   Seminar Detail Page
   ======================================== */
.seminar-detail {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  padding: 48px 0;
}

.seminar-detail__title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
}

.seminar-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}

.meta-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.meta-item__icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.meta-item__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.meta-item__value {
  font-size: 0.9375rem;
  font-weight: 600;
}

.seminar-detail__section {
  margin-bottom: 40px;
}

.seminar-detail__section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.seminar-detail__content {
  font-size: 0.9375rem;
  line-height: 1.9;
}

.seminar-detail__content p {
  margin-bottom: 16px;
}

.seminar-detail__content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.seminar-detail__content li {
  margin-bottom: 8px;
}

/* Sidebar */
.seminar-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.sidebar-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.sidebar-card__price {
  text-align: center;
  margin-bottom: 24px;
}

.sidebar-card__price-label {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.sidebar-card__price-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.sidebar-card__price-value small {
  font-size: 0.875rem;
  font-weight: 400;
}

.sidebar-card__status {
  text-align: center;
  margin-bottom: 24px;
}

.sidebar-card .btn {
  width: 100%;
  margin-bottom: 12px;
}

.sidebar-card__note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.6;
}

/* Instructor Card (detail page) */
.instructor-profile {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.instructor-profile__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-bg-alt);
}

.instructor-profile__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-profile__name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.instructor-profile__title {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.instructor-profile__bio {
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ========================================
   Instructor List
   ======================================== */
.instructor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 48px 0;
}

.instructor-card {
  text-align: center;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.instructor-card--link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.instructor-card--link:hover {
  opacity: 1;
}

.instructor-card__count {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
}

.instructor-search {
  flex-wrap: wrap;
}

.instructor-search__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-right: 8px;
}

.instructor-search__field {
  flex: 1;
  min-width: 220px;
}

.instructor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.instructor-card__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  background: var(--color-bg-alt);
}

.instructor-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.instructor-card__title {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.instructor-card__specialty {
  font-size: 0.8125rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.instructor-card__desc {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================================
   FAQ
   ======================================== */
.faq-list {
  padding: 48px 0;
  max-width: 800px;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 0;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--color-text);
}

.faq-item__question::before {
  content: 'Q';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-right: 16px;
}

.faq-item__question span {
  flex: 1;
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  display: none;
  padding: 0 0 24px 48px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

.faq-item.is-open .faq-item__answer {
  display: block;
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 48px 0;
}

.pagination__item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all 0.2s;
}

.pagination__item:hover,
.pagination__item.is-active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ========================================
   Contact Form
   ======================================== */
.contact-form {
  max-width: 640px;
  padding: 48px 0;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group label .required {
  color: var(--color-danger);
  margin-left: 4px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

/* Contact Form 7 の標準マークアップ（クラス名を持たない生のフォーム）に
   セミナーサイトのデザインを適用する。本文にショートコードを貼るだけでよい。 */
.contact-form .wpcf7-form p {
  margin-bottom: 24px;
}

.contact-form .wpcf7-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-form .wpcf7-form-control:not([type="submit"]):not([type="checkbox"]):not([type="radio"]) {
  display: block;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: inherit;
  color: inherit;
  background: var(--color-white);
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.contact-form .wpcf7-form-control:not([type="submit"]):not([type="checkbox"]):not([type="radio"]):focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form textarea.wpcf7-form-control {
  min-height: 160px;
  resize: vertical;
}

.contact-form .wpcf7-form-control-wrap {
  display: block;
}

.contact-form .wpcf7-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.contact-form .wpcf7-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.contact-form .wpcf7-spinner {
  margin-left: 8px;
  vertical-align: middle;
}

.contact-form .wpcf7-not-valid-tip {
  display: block;
  color: var(--color-danger);
  font-size: 0.8125rem;
  margin-top: 6px;
}

.contact-form .wpcf7-response-output {
  margin-top: 24px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ========================================
   About Page
   ======================================== */
.about-content {
  padding: 48px 0;
  max-width: 800px;
}

.about-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 40px 0 16px;
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 28px 0 12px;
}

/* よくある質問ページ：質問(h3)にQのアイコンを付けて見出しとして目立たせる */
.about-content .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 32px 0 10px;
}

.about-content .faq-q:first-of-type {
  margin-top: 0;
}

.about-content .faq-q::before {
  content: 'Q';
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8125rem;
}

.about-content .faq-a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  line-height: 1.9;
  margin-bottom: 8px;
}

.about-content .faq-a::before {
  content: 'A';
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.8125rem;
}

.about-content p {
  font-size: 0.9375rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-content ul,
.about-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.about-content li {
  font-size: 0.9375rem;
  line-height: 1.9;
  margin-bottom: 8px;
}

.about-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

.about-content th,
.about-content td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.about-content th {
  background: var(--color-bg);
  width: 30%;
  font-weight: 600;
}

/* ========================================
   Seminar Apply (Merlitz)
   ======================================== */
.seminar-apply__inner {
  max-width: 720px;
  margin: 0 auto;
}

.seminar-apply-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.seminar-apply-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.seminar-apply-product {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
}

.seminar-apply-product td {
  border: 1px solid var(--color-border);
  padding: 16px;
  vertical-align: middle;
}

.seminar-apply-product__title {
  font-weight: 600;
  line-height: 1.5;
}

.seminar-apply-product__price {
  white-space: nowrap;
  text-align: right;
  font-weight: 700;
  color: var(--color-primary);
  width: 140px;
}

.seminar-apply-note,
.seminar-apply-lead {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.seminar-apply-note--warn {
  color: var(--color-danger);
  margin-bottom: 12px;
}

.seminar-apply-form__choice {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.seminar-apply-radio {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9375rem;
}

.seminar-apply-radio:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-accent-light);
}

.seminar-apply-required {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--color-danger);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 700;
}

.seminar-apply-form__subtitle {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.seminar-apply-form__subtitle span {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-light);
  margin-left: 8px;
}

.seminar-apply-form__note,
.seminar-apply-form__links {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-top: 16px;
}

.seminar-apply-form__note a,
.seminar-apply-form__links a {
  color: var(--color-primary);
  text-decoration: underline;
}

.seminar-apply-form__submit {
  margin-top: 24px;
}

.seminar-apply-form__submit .btn {
  width: 100%;
}

/* ヘッダー/フッターの「ログイン」から表示される [mlritz-loginform] ショートコードは
   管理画面側で設定された生のHTML（クラス名の無いinput/button）を出力するため、
   クラス名に頼らずフォーム内の要素へ直接スタイルを当てる。
   （.seminar-apply-form は独自マークアップなので対象から除外） */
.seminar-apply-card form:not(.seminar-apply-form) {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.seminar-apply-card form:not(.seminar-apply-form) label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.seminar-apply-card form:not(.seminar-apply-form) input:not([type="hidden"]):not([type="submit"]):not([type="button"]),
.seminar-apply-card form:not(.seminar-apply-form) textarea,
.seminar-apply-card form:not(.seminar-apply-form) select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: inherit;
  color: inherit;
  background: var(--color-white);
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.seminar-apply-card form:not(.seminar-apply-form) input:not([type="hidden"]):not([type="submit"]):not([type="button"]):focus,
.seminar-apply-card form:not(.seminar-apply-form) textarea:focus,
.seminar-apply-card form:not(.seminar-apply-form) select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.seminar-apply-card form:not(.seminar-apply-form) input[type="submit"],
.seminar-apply-card form:not(.seminar-apply-form) input[type="button"],
.seminar-apply-card form:not(.seminar-apply-form) button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.seminar-apply-card form:not(.seminar-apply-form) input[type="submit"]:hover,
.seminar-apply-card form:not(.seminar-apply-form) input[type="button"]:hover,
.seminar-apply-card form:not(.seminar-apply-form) button:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.seminar-apply-guide {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 24px;
}

.seminar-apply-guide__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.seminar-apply-guide p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.seminar-apply-guide p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Slider Navigation
   ======================================== */
.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  z-index: 2;
  transition: background 0.2s;
}

.slider-nav:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.slider-nav--prev {
  left: -20px;
}

.slider-nav--next {
  right: -20px;
}

.slider-nav svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   Placeholder Images (CSS gradients)
   ======================================== */
.placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.placeholder-img--vet1 {
  background: linear-gradient(135deg, #c8d6e5 0%, #8395a7 100%);
}

.placeholder-img--vet2 {
  background: linear-gradient(135deg, #dfe6e9 0%, #b2bec3 100%);
}

.placeholder-img--vet3 {
  background: linear-gradient(135deg, #a8d8ea 0%, #6bb3d9 100%);
}

.placeholder-img--vet4 {
  background: linear-gradient(135deg, #d4e2f4 0%, #89a4c7 100%);
}

.placeholder-img--avatar {
  background: linear-gradient(135deg, #e8ecf1 0%, #c5cdd8 100%);
  border-radius: 50%;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-bar__inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .seminar-detail {
    grid-template-columns: 1fr;
  }

  .instructor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 56px;
    --header-height: 56px;
  }

  .container {
    padding: 0 16px;
  }

  /* Header - mobile optimized */
  .site-header {
    overflow: visible;
  }

  .header-inner {
    padding: 0 12px;
    gap: 8px;
  }

  .site-logo {
    gap: 8px;
    min-width: 0;
  }

  .site-logo__icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
    flex-shrink: 0;
  }

  .site-logo__icon svg {
    width: 18px;
    height: 18px;
  }

  .site-logo__name {
    font-size: 1rem;
    letter-spacing: 0.03em;
  }

  .site-logo__tagline {
    display: none;
  }

  .header-actions {
    gap: 4px;
    flex-shrink: 0;
  }

  .header-action-link {
    padding: 8px;
    gap: 0;
  }

  .header-action-link svg {
    width: 20px;
    height: 20px;
  }

  body.seminar-template .header-actions .seminar-login-btn {
    padding: 6px 12px;
    font-size: 0.75rem;
  }

  .menu-toggle {
    padding: 6px;
    margin-left: 2px;
  }

  .seminar-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1001;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
  }

  .seminar-nav a {
    padding: 12px 8px;
    border-bottom: 1px solid var(--color-border);
  }

  .seminar-nav a:last-child {
    border-bottom: none;
  }

  .seminar-nav.is-open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .header-actions .header-action-link span {
    display: none;
  }

  /* Prevent horizontal overflow from sliders */
  .slider-nav {
    display: none;
  }

  .card-slider {
    overflow: hidden;
  }

  .card-slider .card-grid {
    padding-left: 0;
    padding-right: 0;
  }

  .hero {
    min-height: 420px;
  }

  .features-bar {
    padding: 32px 0;
    margin-top: -24px;
  }

  .features-bar__inner {
    grid-template-columns: repeat(2, 1fr);
    margin: 0;
    padding: 24px 16px;
    gap: 16px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar__search {
    margin-left: 0;
  }

  .filter-bar__search input {
    width: 100%;
    min-width: 0;
  }

  .instructor-grid {
    grid-template-columns: 1fr;
  }

  .seminar-detail__meta {
    flex-direction: column;
    gap: 16px;
  }

  /* Impact hero - full first view on mobile */
  .seminar-hero {
    min-height: calc(100dvh - var(--header-height));
    min-height: calc(100svh - var(--header-height));
    background-position: center 20%;
    overflow: hidden;
  }

  .seminar-hero__inner {
    padding: 12px 16px 16px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    gap: 0;
  }

  .seminar-hero__back {
    display: flex;
    margin-bottom: 10px;
    font-size: 0.75rem;
  }

  .seminar-hero__breadcrumb {
    display: none;
  }

  .seminar-hero__body {
    gap: 0;
    padding-bottom: 4px;
  }

  .seminar-hero__badges {
    margin-bottom: 10px;
    gap: 8px;
  }

  .seminar-hero__kicker {
    font-size: 0.625rem;
    padding: 3px 10px;
  }

  .seminar-hero__title {
    font-size: clamp(1.375rem, 6vw, 1.75rem);
    line-height: 1.4;
    margin-bottom: 14px;
    overflow-wrap: break-word;
    word-break: break-word;
  }

  .seminar-hero__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 12px;
    margin-top: 0;
  }

  .seminar-hero__date {
    gap: 10px;
  }

  .seminar-hero__date-day {
    font-size: 1.625rem;
  }

  .seminar-hero__date-info {
    font-size: 0.75rem;
  }

  .seminar-hero__instructor {
    gap: 8px;
  }

  .seminar-hero__instructor-avatar {
    width: 36px;
    height: 36px;
  }

  .seminar-hero__instructor-name {
    font-size: 0.8125rem;
  }

  .seminar-hero__tag {
    display: none;
  }

  .seminar-hero__cta {
    display: block;
    margin-top: auto;
    padding: 14px;
    padding-top: 12px;
  }

  .seminar-hero__cta-price {
    margin-bottom: 10px;
  }

  .seminar-hero__cta-label {
    font-size: 0.6875rem;
  }

  .seminar-hero__cta-value {
    font-size: 1.5rem;
  }

  .seminar-hero__cta-actions {
    gap: 8px;
  }

  .seminar-hero__apply {
    padding: 13px 16px;
    font-size: 0.9375rem;
    min-width: 0;
  }

  .seminar-hero__share .seminar-share__toggle {
    width: 48px;
    height: 48px;
  }

  .seminar-sidebar {
    display: none;
  }

  .seminar-sticky-cta {
    display: flex;
    padding: 10px 16px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
  }

  .seminar-sticky-cta__price {
    font-size: 1.25rem;
  }

  .seminar-detail {
    padding-bottom: 24px;
  }

  .section {
    overflow-x: hidden;
  }

  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .footer-inner {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  .header-actions .header-action-link:first-child {
    display: none;
  }

  .header-inner {
    padding: 0 10px;
  }
}


/* --- ゆっくり点滅するアニメーション --- */
@keyframes slowBlink {
  0%   { opacity: 1; }
  50%  { opacity: 0.6; }
  100% { opacity: 1; }
}
.btn-blink {
  animation: slowBlink 2.5s infinite ease-in-out;
}

/* --- スマホ用 Sticky CTA（固定申し込みボタン） --- */
.seminar-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
  padding: 15px 20px;
  padding-bottom: calc(15px + env(safe-area-inset-bottom));
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.seminar-sticky-cta.is-visible {
  transform: translateY(0);
}
@media (min-width: 769px) {
  .seminar-sticky-cta {
    display: none !important;
  }
}

/* =========================================
   スマホ用ヘッダー・重なり修正レイアウト
========================================= */
@media (max-width: 768px) {
  /* ヘッダー内をフレックスボックスで強制的に左右配置 */
  .header-inner {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100%;
  }
  
  /* ハンバーガーメニュー等のアクション群を強制的に右へ */
  .header-actions {
    position: relative !important;
    right: auto !important;
    top: auto !important;
    margin-left: auto !important;
    display: flex;
    align-items: center;
  }
  
  /* 元のCSSで絶対位置指定されていた場合の解除 */
  .menu-toggle {
    position: relative !important;
    right: 0 !important;
    top: 0 !important;
    margin-left: 10px;
  }

  /* 「セミナー一覧に戻る」をヘッダーの裏に隠れないよう下にずらす */
  .seminar-hero__back {
    display: inline-block;
    position: relative;
    z-index: 10;
    margin-top: 60px !important; /* ヘッダーの高さ分だけ下げる */
  }
}



/* ========================================
   セミナーログインページ（page-seminar-login.php）
   モバイル最適化：ログインボタンまでをファーストビューに収める
   ======================================== */
@media screen and (max-width: 768px) {
  .page-header--compact {
    padding: 16px 0;
  }

  /* カード内にも「ログイン」の見出し(h2)があり、二重表示で縦スペースを
     無駄に使ってしまうため、モバイルではページ上部の見出みを非表示にする。 */
  .page-header--compact .page-header__title {
    display: none;
  }

  .page-header--compact .breadcrumb {
    font-size: 0.75rem;
  }

  .seminar-login-card {
    padding: 20px 20px 24px;
    margin-bottom: 0;
  }

  .seminar-login-card .seminar-apply-card__title {
    font-size: 1.125rem;
    margin-bottom: 10px;
  }

  .seminar-login-section .seminar-apply-lead {
    margin-bottom: 16px;
  }

  .seminar-login-section .form-group {
    margin-bottom: 14px;
  }

  .seminar-login-section .form-group label {
    margin-bottom: 6px;
  }

  .seminar-login-section .form-group input {
    padding: 10px 14px;
  }

  .seminar-login-section .seminar-apply-form__note {
    margin-top: 10px;
    font-size: 0.75rem;
    line-height: 1.5;
  }

  .seminar-login-section .seminar-apply-form__submit {
    margin-top: 12px;
    margin-bottom: 0;
  }

  .seminar-login-section .seminar-apply-form__links {
    margin-top: 12px;
    font-size: 0.75rem;
  }
}

/* ========================================
   セミナー申込確認ページ（page-seminar-confirm.php / page-seminar-login-apply.php）
   モバイル最適化：
   ・ページ見出しをコンパクトに（カード内に見出しがあるため二重表示を防ぐ）
   ・「選択中のセミナー」はタイトルと価格を左右ではなく上下に配置
   ======================================== */
@media screen and (max-width: 768px) {
  .seminar-confirm-card {
    padding: 20px 20px 24px;
    margin-bottom: 16px;
  }

  .seminar-confirm-card .seminar-apply-card__title {
    font-size: 1.125rem;
    margin-bottom: 14px;
  }

  /* 選択中のセミナー：タイトルと価格を上下に配置 */
  .seminar-confirm-card .seminar-apply-product,
  .seminar-confirm-card .seminar-apply-product tbody,
  .seminar-confirm-card .seminar-apply-product tr {
    display: block;
  }

  .seminar-confirm-card .seminar-apply-product td {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
  }

  .seminar-confirm-card .seminar-apply-product__title {
    border-bottom: none;
  }

  .seminar-confirm-card .seminar-apply-product__price {
    border-top: none;
    width: auto;
    text-align: left;
    font-size: 1.25rem;
  }

  .seminar-confirm-section .seminar-apply-lead {
    margin-bottom: 16px;
  }

  .seminar-confirm-section .seminar-apply-form__choice {
    gap: 10px;
    margin-bottom: 18px;
  }

  .seminar-confirm-section .seminar-apply-radio {
    padding: 12px 14px;
    font-size: 0.875rem;
  }

  .seminar-confirm-section .form-group {
    margin-bottom: 14px;
  }

  .seminar-confirm-section .seminar-apply-form__subtitle {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .seminar-confirm-section .seminar-apply-form__note,
  .seminar-confirm-section .seminar-apply-form__links {
    margin-top: 10px;
    font-size: 0.75rem;
    line-height: 1.5;
  }

  .seminar-confirm-section .seminar-apply-form__submit {
    margin-top: 12px;
  }

  .seminar-confirm-section .seminar-apply-guide {
    padding: 18px;
  }

  .seminar-confirm-section .seminar-apply-guide__title {
    font-size: 0.9375rem;
  }

  .seminar-confirm-section .seminar-apply-guide p {
    font-size: 0.8125rem;
    margin-bottom: 10px;
  }
}

/* ========================================
   セミナーマイページ（page-seminar-mypage.php）
   モバイル最適化：タイトルを1行表示、カードを一覧形式に
   （PCビューは既存の .card-grid / .seminar-card のまま変更しない）
   ======================================== */
@media screen and (max-width: 768px) {
  .page-header__title--nowrap {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: clamp(1.125rem, 5.5vw, 1.5rem);
  }

  .mypage-seminar-grid.card-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .mypage-seminar-grid .seminar-card {
    display: flex;
    align-items: stretch;
    gap: 0;
  }

  .mypage-seminar-grid .seminar-card:hover {
    transform: none;
  }

  .mypage-seminar-grid .seminar-card__thumb {
    width: 88px;
    aspect-ratio: 1 / 1;
    flex-shrink: 0;
  }

  .mypage-seminar-grid .seminar-card__date {
    display: none;
  }

  .mypage-seminar-grid .seminar-card__body {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
  }

  .mypage-seminar-grid .seminar-card__title {
    font-size: 0.8125rem;
    margin-bottom: 4px;
    -webkit-line-clamp: 2;
  }

  .mypage-seminar-grid .seminar-card__schedule {
    font-size: 0.6875rem;
    margin-bottom: 4px;
  }

  .mypage-seminar-grid .seminar-card__schedule svg {
    width: 12px;
    height: 12px;
  }

  .mypage-seminar-grid .seminar-card__instructor {
    margin-bottom: 6px;
  }

  .mypage-seminar-grid .seminar-card__instructor-avatar {
    width: 22px;
    height: 22px;
  }

  .mypage-seminar-grid .seminar-card__instructor-name {
    font-size: 0.75rem;
  }

  .mypage-seminar-grid .seminar-card__footer {
    padding-top: 6px;
  }

  .mypage-seminar-grid .seminar-card__location {
    font-size: 0.75rem;
  }
}

/* ========================================
   マイページ：購入済みセミナーのモーダル
   （page-seminar-mypage.php）
   ======================================== */
.seminar-modal {
  display: none !important;
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: 2147483647 !important;
  padding: 24px 16px !important;
  overflow-y: auto !important;
  margin: 0 !important;
}

.seminar-modal.is-open {
  display: block !important;
}

.seminar-modal__overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background: rgba(0, 0, 0, 0.6) !important;
}

.seminar-modal__dialog {
  position: relative !important;
  width: min(90vw, 720px) !important;
  max-width: 720px !important;
  margin: 40px auto !important;
  background: var(--color-white) !important;
  border-radius: var(--radius-md) !important;
  padding: 32px !important;
  display: block !important;
}

.seminar-modal__close {
  position: absolute !important;
  top: 16px !important;
  right: 16px !important;
  width: 36px !important;
  height: 36px !important;
  border: none !important;
  background: var(--color-bg) !important;
  border-radius: 50% !important;
  color: var(--color-text) !important;
  font-size: 1.5rem !important;
  line-height: 1 !important;
  cursor: pointer !important;
}

.seminar-modal__header {
  margin-bottom: 20px;
  padding-right: 40px;
}

.seminar-modal__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 10px 0 6px;
}

.seminar-modal__lecturer {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.seminar-modal__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 20px 0;
  margin-bottom: 20px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.seminar-modal__section {
  margin-bottom: 24px;
}

.seminar-modal__section:last-child {
  margin-bottom: 0;
}

.seminar-modal__section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.seminar-modal__content {
  font-size: 0.9375rem;
  line-height: 1.8;
}

@media screen and (max-width: 600px) {
  .seminar-modal__dialog {
    padding: 24px 20px;
  }

  .seminar-modal__meta {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   親テーマの干渉を無効化する設定
========================================= */
/* 親テーマのハンバーガーボタンを非表示 */
.seminar-template #gnav .toggle {
  display: none !important;
}

/* 親テーマのスマホ用メニューの中身自体も非表示（念のため） */
.seminar-template #gnav .accordion-body,
.seminar-template #gnav .sp-menu {
  display: none !important;
}