:root {
    --pink-50: #fff5f8;
    --pink-100: #ffe4ee;
    --pink-200: #fbc4d8;
    --pink-300: #f59ec0;
    --pink-400: #ee76a3;
    --pink-500: #e85a90;     /* main */
    --pink-600: #d6427b;     /* accent */
    --pink-700: #b32d63;
    --cream-50: #fffaf2;
    --cream-100: #fdf3e3;
    --cream-200: #f9e9cc;
    --ink-900: #2b2230;
    --ink-700: #4a4250;
    --ink-500: #7a7180;
    --ink-300: #b8b0bd;
    --ink-100: #ece8ef;
    --white: #ffffff;
    --shadow-soft: 0 10px 40px -12px rgba(232, 90, 144, 0.18), 0 4px 12px -4px rgba(43, 34, 48, 0.06);
    --shadow-card: 0 2px 8px -2px rgba(232, 90, 144, 0.08), 0 1px 2px rgba(43, 34, 48, 0.04);
    --shadow-cta: 0 12px 28px -6px rgba(214, 66, 123, 0.4), 0 4px 8px -2px rgba(214, 66, 123, 0.2);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 36px;
    --container: 1180px;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Hiragino Sans", system-ui, sans-serif;
    color: var(--ink-900);
    background: var(--cream-50);
    line-height: 1.7;
    font-feature-settings: "palt";
    -webkit-font-smoothing: antialiased;
  }
  /* Improve small-text readability */
  .en {
    font-family: "Outfit", sans-serif;
    letter-spacing: 0.06em;
  }
  .brand-sub,
  .news-tag,
  .seminar-card .sticker,
  .expert-role,
  .expert-tag,
  .topic-tag,
  .back-to-top .btt-label,
  .hero-card-tagline small,
  .hero-tips,
  .meta-label,
  .seminar-price .label,
  .seminar-note,
  .section-eyebrow,
  .sponsors-label,
  .footer-bottom,
  .news-date,
  .footer-brand p,
  .footer ul a,
  .contact-list li,
  .link-desc,
  .topic-body p,
  .topic-link,
  .trust-item,
  .trust-stat .lbl,
  .expert-title,
  .sponsor-card,
  .hero-badge .lbl,
  .hero-tips-deco .heart {
    font-family: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
    font-feature-settings: "palt";
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  .brand-sub { font-size: 11px; font-weight: 600; }
  .news-tag { font-size: 12px; font-weight: 700; }
  .seminar-card .sticker { font-size: 12px; font-weight: 700; }
  .expert-role,
  .expert-tag,
  .topic-tag { font-size: 12px; font-weight: 700; }
  .meta-label,
  .section-eyebrow,
  .sponsors-label { font-size: 13px; font-weight: 700; }
  .seminar-price .label,
  .seminar-note { font-size: 13px; font-weight: 500; }
  .footer-bottom { font-size: 13px; }
  .news-date { font-size: 14px; font-weight: 600; }
  .footer-brand p,
  .footer ul a,
  .contact-list li,
  .link-desc,
  .topic-body p,
  .topic-link,
  .trust-item,
  .expert-title,
  .sponsor-card { font-size: 14px; font-weight: 500; line-height: 1.75; }
  .trust-stat .lbl { font-size: 14px; font-weight: 600; }
  .hero-badge .lbl { font-size: 12px; font-weight: 600; }
  .hero-card-tagline small { font-size: 13px; font-weight: 500; }
  img { max-width: 100%; display: block; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  a { color: inherit; text-decoration: none; }

  /* ---------- HEADER ---------- */
  .header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 250, 242, 0.92);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid rgba(251, 196, 216, 0.4);
  }
  .header-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 14px 32px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 24px;
  }
  .brand {
    display: inline-flex; align-items: center; gap: 12px;
  }
  .brand-mark {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: #ffffff;
    display: grid; place-items: center;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(232, 90, 144, 0.2);
  }
  .brand-mark img { width: 34px; height: 34px; object-fit: contain; }
  .brand-name {
    font-weight: 700; font-size: 17px; color: var(--ink-900);
    letter-spacing: 0.02em; line-height: 1.2;
  }
  .brand-sub {
    font-size: 10px; color: var(--pink-600);
    letter-spacing: 0.12em; font-weight: 500;
    margin-top: 2px;
  }
  .nav {
    display: flex; align-items: center; gap: 4px;
  }
  .nav a {
    padding: 10px 16px;
    font-size: 14px; font-weight: 500;
    color: var(--ink-700);
    border-radius: 999px;
    transition: all 0.2s ease;
  }
  .nav a:hover { color: var(--pink-600); background: var(--pink-50); }
  .nav a.active { background: var(--pink-500); color: white; }
  .nav-cta {
    margin-left: 12px;
    padding: 10px 20px !important;
    background: var(--pink-600) !important;
    color: white !important;
    box-shadow: var(--shadow-cta);
    transition: transform 0.2s ease, box-shadow 0.2s ease !important;
  }
  .nav-cta:hover { transform: translateY(-1px); }
  .menu-btn { display: none; }

  /* ---------- HERO ---------- */
  .hero {
    position: relative;
    overflow: hidden;
    padding: 80px 32px 100px;
    background:
      radial-gradient(ellipse at 80% 20%, var(--pink-100) 0%, transparent 60%),
      radial-gradient(ellipse at 10% 80%, var(--cream-100) 0%, transparent 55%),
      var(--cream-50);
  }
  .hero-bg-dots {
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(245, 158, 192, 0.18) 1.5px, transparent 1.5px);
    background-size: 28px 28px;
    opacity: 0.6;
    pointer-events: none;
  }
  .hero-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
  }
  .hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 14px;
    background: white;
    border: 1px solid var(--pink-200);
    border-radius: 999px;
    font-size: 12px;
    color: var(--pink-600);
    font-weight: 600;
    letter-spacing: 0.08em;
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
  }
  .hero-eyebrow::before {
    content: ""; width: 6px; height: 6px;
    border-radius: 50%; background: var(--pink-500);
    animation: pulse 2s ease-in-out infinite;
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
  }
  .hero h1 {
    font-size: clamp(32px, 4.2vw, 56px);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.01em;
    color: var(--ink-900);
    margin-bottom: 24px;
  }
  .hero h1 .accent {
    color: var(--pink-600);
    position: relative;
    display: inline-block;
  }
  .hero h1 .accent::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 8px;
    background: var(--pink-100);
    border-radius: 4px;
    z-index: -1;
  }
  .hero-lead {
    font-size: 16px;
    color: var(--ink-700);
    line-height: 1.9;
    margin-bottom: 32px;
    max-width: 520px;
    text-wrap: pretty;
  }
  .hero-cta-row {
    display: flex; gap: 14px; flex-wrap: wrap;
    margin-bottom: 32px;
  }
  button.btn-primary { border: none; cursor: pointer; font-family: inherit; }
  button.btn-ghost { cursor: pointer; font-family: inherit; }
  .btn-primary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 32px;
    background: var(--pink-600);
    color: white;
    border-radius: 999px;
    font-size: 15px; font-weight: 700;
    box-shadow: var(--shadow-cta);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px -6px rgba(214, 66, 123, 0.5);
  }
  .btn-primary svg { transition: transform 0.25s ease; }
  .btn-primary:hover svg { transform: translateX(3px); }
  .btn-ghost {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 28px;
    background: white;
    color: var(--pink-600);
    border-radius: 999px;
    font-size: 15px; font-weight: 600;
    border: 1.5px solid var(--pink-200);
    transition: all 0.2s ease;
  }
  .btn-ghost:hover { background: var(--pink-50); border-color: var(--pink-300); }

  .hero-trust {
    display: flex; gap: 20px; flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px dashed var(--pink-200);
  }
  .trust-item {
    display: flex; align-items: center; gap: 10px;
    font-size: 13px; color: var(--ink-700);
    font-weight: 500;
  }
  .trust-item .ico {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--pink-100);
    display: grid; place-items: center;
    color: var(--pink-600);
  }

  .hero-visual {
    position: relative;
    display: flex; align-items: center; justify-content: center;
  }
  /* ---------- HERO STAGE (new) ---------- */
  .hero-stage {
    position: relative;
    width: 100%;
    max-width: 540px;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
  }
  .hero-bubble {
    position: absolute;
    inset: 6%;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 45%, #ffffff 0%, #ffffff 62%, #fff5f8 100%);
    box-shadow: 0 24px 60px -20px rgba(232, 90, 144, 0.25), inset 0 0 0 1px rgba(251, 196, 216, 0.4);
  }
  .hero-decor {
    position: absolute; inset: 0;
    pointer-events: none;
    z-index: 2;
    animation: decorFloat 7s ease-in-out infinite;
  }
  .hero-decor img { width: 100%; height: 100%; object-fit: contain; }
  .hero-headline {
    position: absolute;
    top: 6%; left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    width: 86%;
    height: auto;
    pointer-events: none;
    animation: heroFloatHeadline 7s ease-in-out infinite;
  }
  .hero-headline svg { width: 100%; height: auto; display: block; overflow: visible; }
  .hero-headline text {
    font-family: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", system-ui, sans-serif;
    font-weight: 800;
    font-size: 16px;
    fill: var(--ink-900);
    letter-spacing: 0.02em;
  }
  .hero-headline text.hl { fill: var(--pink-600); }
  .hero-kidneys {
    position: absolute;
    top: 50%; left: 50%;
    width: 62%;
    z-index: 3;
    animation: heroFloatCenter 4.5s ease-in-out infinite;
  }
  .hero-kidneys img { width: 100%; height: auto; display: block; }
  .hero-tips {
    position: absolute;
    bottom: 14%; left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    text-align: center;
    font-size: clamp(11px, 1.05vw, 13px);
    font-weight: 600;
    color: var(--ink-700);
    line-height: 1.85;
    width: 80%;
    margin: 0;
    animation: heroFloatSlow 6s ease-in-out infinite 0.5s;
  }
  .hero-tips-deco {
    position: absolute;
    bottom: 8%; left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex; align-items: center; gap: 8px;
  }
  .hero-tips-deco .line {
    display: inline-block;
    width: 28px; height: 2px;
    background: var(--pink-300);
    border-radius: 2px;
  }
  .hero-tips-deco .heart {
    color: var(--pink-400);
    font-size: 12px;
  }
  .hero-card-tag {
    position: absolute;
    z-index: 5;
    width: 28%;
    filter: drop-shadow(0 8px 18px rgba(43, 34, 48, 0.10));
  }
  .hero-card-tag img { width: 100%; height: auto; display: block; }
  .hero-card-tag.tag-staff {
    top: 4%; right: -4%;
    animation: tagBobble 4s ease-in-out infinite;
  }
  .hero-card-tag.tag-online {
    bottom: 22%; left: -6%;
    animation: tagBobble 4.5s ease-in-out infinite 0.8s;
  }
  @keyframes heroFloat {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
  }
  @keyframes heroFloatHeadline {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
  }
  @keyframes heroFloatCenter {
    0%, 100% { transform: translate(-50%, -50%); }
    50% { transform: translate(-50%, calc(-50% - 8px)); }
  }
  @keyframes heroFloatSlow {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
  }
  @keyframes decorFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-7px) rotate(0.5deg); }
  }
  @keyframes tagBobble {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-9px) rotate(2deg); }
  }

  /* ---------- HERO CARD (legacy) ---------- */
  .hero-card {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    box-shadow: var(--shadow-soft);
    width: 100%;
    max-width: 480px;
    overflow: hidden;
  }
  .hero-card::before {
    content: ""; position: absolute;
    top: -60px; right: -60px;
    width: 180px; height: 180px;
    background: var(--pink-100);
    border-radius: 50%;
    opacity: 0.6;
  }
  .hero-card::after {
    content: ""; position: absolute;
    bottom: -40px; left: -40px;
    width: 140px; height: 140px;
    background: var(--cream-100);
    border-radius: 50%;
    opacity: 0.7;
  }
  .hero-card-img {
    position: relative;
    aspect-ratio: 4 / 3;
    display: grid; place-items: center;
    z-index: 1;
  }
  .hero-card-img img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
    animation: float 5s ease-in-out infinite;
  }
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }
  .hero-card-tagline {
    position: relative; z-index: 1;
    text-align: center;
    margin-top: 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--pink-600);
  }
  .hero-card-tagline small {
    display: block;
    font-size: 12px;
    color: var(--ink-500);
    font-weight: 400;
    margin-top: 4px;
    letter-spacing: 0.08em;
  }
  .hero-badge {
    position: absolute;
    z-index: 2;
    background: white;
    border-radius: 16px;
    padding: 12px 16px;
    box-shadow: var(--shadow-soft);
    display: flex; align-items: center; gap: 10px;
    font-size: 13px;
    font-weight: 600;
  }
  .hero-badge.b1 {
    top: 10%; left: -20px;
    animation: bobble 4s ease-in-out infinite;
  }
  .hero-badge.b2 {
    bottom: 12%; right: -20px;
    animation: bobble 4s ease-in-out infinite 1s;
  }
  @keyframes bobble {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-8px) rotate(2deg); }
  }
  .hero-badge .num {
    font-family: "Outfit", sans-serif;
    font-size: 22px; font-weight: 700;
    color: var(--pink-600);
  }
  .hero-badge .lbl {
    font-size: 11px; color: var(--ink-500);
    font-weight: 500;
  }

  /* ---------- SECTION COMMON ---------- */
  .section { padding: 96px 32px; }
  .section-narrow { padding: 80px 32px; }
  .section-inner { max-width: var(--container); margin: 0 auto; }
  .section-head { text-align: center; margin-bottom: 56px; }
  .section-eyebrow {
    font-family: "Outfit", sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--pink-500);
    letter-spacing: 0.2em;
    margin-bottom: 12px;
    display: block;
  }
  .section-title {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 700;
    color: var(--ink-900);
    letter-spacing: 0.01em;
  }
  .section-title::after {
    content: "";
    display: block;
    width: 48px; height: 4px;
    background: var(--pink-500);
    border-radius: 2px;
    margin: 16px auto 0;
  }
  .section-lead {
    font-size: 15px;
    color: var(--ink-700);
    margin-top: 16px;
    max-width: 560px;
    margin-left: auto; margin-right: auto;
    text-wrap: pretty;
  }

  /* ---------- NEWS ---------- */
  .news-section { background: var(--cream-50); }
  .news-list {
    display: flex; flex-direction: column;
    gap: 14px;
    max-width: 880px;
    margin: 0 auto;
  }
  .news-item {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    align-items: center;
    gap: 24px;
    background: white;
    border-radius: var(--radius-md);
    padding: 22px 28px;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    border: 1px solid transparent;
  }
  .news-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
    border-color: var(--pink-100);
  }
  .news-meta {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .news-date {
    font-family: "Outfit", sans-serif;
    font-size: 14px; font-weight: 500;
    color: var(--ink-500);
    letter-spacing: 0.04em;
  }
  .news-tag {
    font-size: 11px; font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--pink-100);
    color: var(--pink-600);
    white-space: nowrap;
  }
  .news-tag.important { background: #fde8e8; color: #c43a3a; }
  .news-tag.material { background: var(--cream-200); color: #a07020; }
  .news-title {
    font-size: 15px; font-weight: 500;
    color: var(--ink-900);
  }
  .news-arrow {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--pink-50);
    color: var(--pink-600);
    display: grid; place-items: center;
    transition: all 0.2s ease;
  }
  .news-item:hover .news-arrow {
    background: var(--pink-500);
    color: white;
    transform: translateX(2px);
  }
  .news-more {
    text-align: center; margin-top: 32px;
  }

  /* ---------- VENUE IMG ---------- */
  .seminar-venue { margin-bottom: 28px; }
  .venue-img {
    aspect-ratio: 16 / 7;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-card);
  }
  .venue-tag {
    position: absolute; top: 14px; left: 14px;
    z-index: 2;
    background: rgba(255,255,255,0.95);
    color: var(--pink-600);
    font-size: 11px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 999px;
    box-shadow: var(--shadow-card);
  }

  /* ---------- NEXT SEMINAR ---------- */
  .seminar-section {
    background:
      radial-gradient(ellipse at 50% 0%, var(--pink-100) 0%, transparent 50%),
      var(--cream-50);
    position: relative;
  }
  .seminar-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 56px 56px 48px;
    max-width: 920px;
    margin: 0 auto;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
  }
  .seminar-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--pink-400), var(--pink-600), var(--pink-400));
  }
  .seminar-num {
    display: inline-block;
    background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
    color: white;
    font-size: 13px; font-weight: 700;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 0.04em;
  }
  .seminar-title {
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 700;
    text-align: center;
    color: var(--ink-900);
    margin-bottom: 12px;
    line-height: 1.4;
  }
  .seminar-sub {
    text-align: center;
    color: var(--ink-700);
    font-size: 15px;
    margin-bottom: 36px;
  }
  .seminar-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 32px;
    background: var(--cream-50);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 32px;
  }
  .meta-item {
    display: flex; align-items: flex-start; gap: 14px;
  }
  .meta-ico {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: white;
    color: var(--pink-600);
    display: grid; place-items: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-card);
  }
  .meta-label {
    font-size: 12px;
    color: var(--ink-500);
    font-weight: 500;
    margin-bottom: 2px;
  }
  .meta-value {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink-900);
  }
  .seminar-price {
    text-align: center;
    margin-bottom: 28px;
    display: flex; justify-content: center; align-items: baseline; gap: 10px;
  }
  .seminar-price .free {
    font-family: "Outfit", sans-serif;
    font-size: 44px;
    font-weight: 700;
    color: var(--pink-600);
    line-height: 1;
  }
  .seminar-price .label {
    font-size: 13px;
    color: var(--ink-500);
  }
  .seminar-cta-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    row-gap: 10px;
  }
  .seminar-cta-wrap .btn-large {
    margin: 0 10px;
  }
  @media (max-width: 560px) {
    .seminar-cta-wrap .btn-large { margin: 5px 0; }
  }
  .btn-large {
    padding: 20px 56px;
    font-size: 17px;
  }
  .seminar-note {
    text-align: center;
    margin-top: 16px;
    font-size: 12px;
    color: var(--ink-500);
  }

  /* ---------- TRUST STRIP ---------- */
  .trust-strip {
    background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
    padding: 64px 32px;
    color: white;
    position: relative;
    overflow: hidden;
  }
  .trust-strip::before {
    content: "";
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.08) 2px, transparent 2px);
    background-size: 40px 40px;
  }
  .trust-strip-inner {
    max-width: var(--container); margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
    position: relative;
  }
  .trust-stat .num {
    font-family: "Outfit", sans-serif;
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
  }
  .trust-stat .num small {
    font-size: 22px;
    font-weight: 500;
    margin-left: 4px;
  }
  .trust-stat .lbl {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
  }

  /* ---------- LINKS ---------- */
  .links-section { background: var(--cream-50); }
  .links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .link-card {
    display: block;
    background: white;
    border-radius: var(--radius-lg);
    padding: 28px 28px 26px;
    box-shadow: var(--shadow-card);
    border: 1px solid transparent;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  }
  .link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
    border-color: var(--pink-100);
  }
  .link-card-head {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
  }
  .link-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink-900);
    line-height: 1.5;
  }
  .link-arrow {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--pink-50);
    color: var(--pink-600);
    display: grid; place-items: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
  }
  .link-card:hover .link-arrow {
    background: var(--pink-500);
    color: white;
  }
  .link-desc {
    font-size: 13px;
    color: var(--ink-700);
    line-height: 1.7;
  }

  /* ---------- EXPERTS (legacy) ---------- */
  .experts-section { background: var(--cream-50); }
  .experts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
  }
  .expert-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
  .expert-photo {
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, var(--pink-100), var(--cream-100));
    display: grid; place-items: center;
    color: var(--pink-600);
    font-size: 13px;
    font-weight: 600;
    position: relative;
  }
  .expert-photo::before {
    content: "";
    position: absolute;
    bottom: 24px; left: 50%; transform: translateX(-50%);
    width: 80px; height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.6);
  }
  .expert-photo span {
    position: relative;
    background: white;
    padding: 4px 12px;
    border-radius: 999px;
    box-shadow: var(--shadow-card);
    font-size: 11px;
  }
  .expert-body { padding: 24px 28px 28px; text-align: center; }
  .expert-role {
    display: inline-block;
    font-size: 11px; font-weight: 600;
    color: var(--pink-600);
    background: var(--pink-50);
    padding: 3px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
  }
  .expert-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 8px;
  }
  .expert-title {
    font-size: 12px;
    color: var(--ink-700);
    line-height: 1.7;
  }
  .sponsors {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
  }
  .sponsors-label {
    font-size: 12px;
    color: var(--ink-500);
    font-weight: 600;
    letter-spacing: 0.12em;
    margin-bottom: 20px;
  }
  .sponsors-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .sponsor-logo {
    background: var(--cream-50);
    border: 1px solid var(--ink-100);
    border-radius: var(--radius-md);
    padding: 20px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-700);
    line-height: 1.5;
    min-height: 80px;
    display: grid;
    place-items: center;
  }

  /* ---------- TOPICS (legacy) ---------- */
  .topics-section { background: var(--cream-50); }
  .topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .topic-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
  }
  .topic-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-soft);
  }
  .topic-thumb {
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--pink-100), var(--cream-100));
    display: grid; place-items: center;
    position: relative;
    overflow: hidden;
  }
  .topic-thumb svg { width: 60%; height: 60%; opacity: 0.7; }
  .topic-thumb.t1 { background: linear-gradient(135deg, #ffe4ee, #fde8d4); }
  .topic-thumb.t2 { background: linear-gradient(135deg, #fde8e0, #ffe4ee); }
  .topic-thumb.t3 { background: linear-gradient(135deg, #fff0d8, #ffe4ee); }
  .topic-tag {
    position: absolute;
    top: 16px; left: 16px;
    background: white;
    color: var(--pink-600);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    box-shadow: var(--shadow-card);
  }
  .topic-body {
    padding: 24px 28px 28px;
  }
  .topic-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 8px;
    line-height: 1.5;
  }
  .topic-body p {
    font-size: 13px;
    color: var(--ink-700);
    line-height: 1.7;
  }
  .topic-link {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: 16px;
    color: var(--pink-600);
    font-size: 13px;
    font-weight: 600;
  }

  /* ---------- FINAL CTA ---------- */
  .final-cta {
    padding: 96px 32px;
    background:
      radial-gradient(ellipse at 30% 50%, var(--pink-100) 0%, transparent 50%),
      radial-gradient(ellipse at 70% 50%, var(--cream-100) 0%, transparent 50%),
      var(--cream-50);
    text-align: center;
  }
  .final-cta-inner {
    max-width: 720px;
    margin: 0 auto;
  }
  .final-twins {
    width: 200px;
    margin: 0 auto 24px;
    animation: float 5s ease-in-out infinite;
  }
  .final-cta h2 {
    font-size: clamp(28px, 3.4vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
  }
  .final-cta p {
    color: var(--ink-700);
    margin-bottom: 32px;
    font-size: 15px;
  }

  /* ---------- FOOTER ---------- */
  .footer {
    background: var(--pink-50);
    padding: 72px 32px 32px;
    border-top: 1px solid var(--pink-100);
  }
  .footer-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr;
    gap: 48px;
  }
  .footer-brand .brand { margin-bottom: 16px; }
  .footer-brand p {
    font-size: 13px;
    color: var(--ink-700);
    line-height: 1.8;
    max-width: 360px;
  }
  .footer h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 16px;
  }
  .footer ul { list-style: none; }
  .footer ul li { margin-bottom: 10px; }
  .footer ul a {
    font-size: 13px;
    color: var(--ink-700);
    transition: color 0.2s ease;
  }
  .footer ul a:hover { color: var(--pink-600); }
  .contact-list li {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 13px;
    color: var(--ink-700);
    line-height: 1.6;
  }
  .contact-list .ico {
    color: var(--pink-500);
    flex-shrink: 0;
    margin-top: 2px;
  }
  .footer-bottom {
    max-width: var(--container);
    margin: 48px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--pink-100);
    text-align: center;
    font-size: 12px;
    color: var(--ink-500);
    font-family: "Outfit", sans-serif;
  }

  /* ---------- BACK TO TOP (rocket) ---------- */
  .back-to-top {
    position: fixed;
    right: 24px; bottom: 24px;
    width: 76px; height: 96px;
    z-index: 95;
    border: none; padding: 0; background: transparent;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 12px 24px rgba(214, 66, 123, 0.35));
  }
  .back-to-top.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }
  .back-to-top:hover { transform: translateY(-6px) scale(1.04); }
  .back-to-top .btt-svg {
    width: 100%; height: 100%;
    display: block;
    animation: rocketBob 2.4s ease-in-out infinite;
  }
  .back-to-top .btt-flame {
    position: absolute;
    left: 50%; bottom: -2px;
    transform: translateX(-50%);
    width: 22px; height: 28px;
    background: radial-gradient(ellipse at 50% 30%, #ffe27a 0%, #ff9a4a 55%, transparent 80%);
    border-radius: 50% 50% 40% 40% / 60% 60% 40% 40%;
    filter: blur(1px);
    animation: flameFlicker 0.18s linear infinite alternate;
  }
  .back-to-top .btt-label {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, 80%);
    font-family: "Outfit", sans-serif;
    font-size: 10px;
    font-weight: 700;
    color: var(--pink-700);
    letter-spacing: 0.12em;
    pointer-events: none;
    opacity: 0;
  }
  @keyframes rocketBob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
  }
  @keyframes flameFlicker {
    from { transform: translateX(-50%) scaleY(1) scaleX(1); opacity: 0.95; }
    to   { transform: translateX(-50%) scaleY(1.15) scaleX(0.9); opacity: 0.7; }
  }

  /* ---------- MOBILE STICKY CTA ---------- */
  .mobile-cta {
    display: none;
    position: fixed; left: 16px; right: 16px; bottom: 16px;
    z-index: 90;
    background: var(--pink-600);
    color: white;
    padding: 16px 24px;
    border-radius: 999px;
    text-align: center;
    font-weight: 700;
    box-shadow: 0 12px 30px -6px rgba(214, 66, 123, 0.5);
    font-size: 15px;
  }

  /* ---------- SCROLL ANIMATION ---------- */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 960px) {
    .hero { padding: 56px 24px 72px; }
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .nav { display: none; }
    .nav.open {
      display: flex; flex-direction: column;
      position: absolute; top: 100%; left: 0; right: 0;
      background: white; padding: 16px; gap: 4px;
      box-shadow: var(--shadow-soft);
    }
    .menu-btn { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; color: var(--ink-700); }
    .menu-btn:hover { background: var(--pink-50); }
    .section { padding: 64px 24px; }
    .seminar-card { padding: 36px 28px; }
    .seminar-meta { grid-template-columns: 1fr; }
    .topics-grid { grid-template-columns: 1fr; }
    .experts-grid { grid-template-columns: 1fr; }
    .links-grid { grid-template-columns: 1fr; }
    .sponsors-row { grid-template-columns: repeat(2, 1fr); }
    .trust-strip-inner { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .news-item { grid-template-columns: auto 1fr auto; gap: 12px; padding: 18px 20px; }
    .news-date { grid-column: 1 / 2; }
    .news-tag { grid-column: 2 / -1; justify-self: start; }
    .news-title { grid-column: 1 / -1; }
    .news-arrow { grid-column: -2 / -1; grid-row: 1 / 2; }
    .mobile-cta { display: block; }
    .header-inner { padding: 12px 20px; }
    .brand-name { font-size: 14px; }
    .brand-sub { font-size: 9px; }
  }

  /* ---------- SUBPAGE LAYOUT ---------- */
  .page-hero {
    position: relative;
    padding: 110px 0 60px;
    background:
      radial-gradient(circle at 15% 30%, rgba(251, 196, 216, 0.30) 0%, transparent 45%),
      radial-gradient(circle at 85% 70%, rgba(255, 226, 215, 0.30) 0%, transparent 50%),
      var(--pink-50);
    overflow: hidden;
  }
  .page-hero::before {
    content: "";
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 60px;
    background: var(--cream-50);
    clip-path: ellipse(60% 60% at 50% 100%);
  }
  .page-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
    z-index: 2;
    text-align: center;
  }
  .breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--ink-500);
    font-family: "Noto Sans JP", sans-serif;
  }
  .breadcrumb a { color: var(--pink-600); font-weight: 600; }
  .breadcrumb a:hover { text-decoration: underline; }
  .breadcrumb .sep { color: var(--ink-400); }
  .page-title {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 800;
    color: var(--ink-900);
    line-height: 1.3;
    margin: 0 0 16px;
    letter-spacing: 0.01em;
  }
  .page-title .accent { color: var(--pink-600); }
  .page-title-en {
    display: inline-block;
    font-family: "Outfit", sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--pink-500);
    letter-spacing: 0.18em;
    margin-bottom: 12px;
    text-transform: uppercase;
  }
  .page-lead {
    font-size: 16px;
    color: var(--ink-700);
    line-height: 1.85;
    max-width: 680px;
    margin: 16px auto 0;
    font-family: "Noto Sans JP", sans-serif;
  }
  .page-mascot {
    position: absolute;
    width: 110px;
    pointer-events: none;
    opacity: 0.85;
  }
  .page-mascot.left { left: 6%; bottom: 10%; transform: rotate(-8deg); animation: heroFloat 5s ease-in-out infinite; }
  .page-mascot.right { right: 6%; top: 18%; transform: rotate(8deg); animation: heroFloat 5.5s ease-in-out infinite 0.5s; }
  @media (max-width: 900px) { .page-mascot { display: none; } }

  .page-body {
    padding: 80px 0 100px;
    background: var(--cream-50);
  }
  .page-body-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ---------- ABOUT PAGE ---------- */
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 48px;
  }
  @media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }
  .info-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--pink-100);
  }
  .info-card h3 {
    display: flex; align-items: center; gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--ink-900);
    margin: 0 0 16px;
  }
  .info-card h3 .ico {
    width: 36px; height: 36px;
    background: var(--pink-100);
    border-radius: 50%;
    display: grid; place-items: center;
    color: var(--pink-600);
  }
  .info-card p, .info-card li {
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    color: var(--ink-700);
    line-height: 1.85;
  }
  .info-card ul { padding-left: 20px; margin: 12px 0; }
  .info-card li { margin-bottom: 8px; }
  .info-card.full { grid-column: 1 / -1; }

  .info-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    font-family: "Noto Sans JP", sans-serif;
  }
  .info-table th, .info-table td {
    padding: 14px 8px;
    text-align: left;
    border-bottom: 1px solid var(--pink-100);
    font-size: 14px;
    line-height: 1.7;
  }
  .info-table th {
    color: var(--pink-600);
    font-weight: 700;
    width: 30%;
    white-space: nowrap;
    vertical-align: top;
  }
  .info-table td { color: var(--ink-700); }

  /* ---------- MEMBERS PAGE ---------- */
  .members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 32px;
  }
  .member-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--pink-100);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-family: "Noto Sans JP", sans-serif;
  }
  .member-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
  .member-avatar {
    width: 72px; height: 72px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink-200), var(--pink-300));
    display: grid; place-items: center;
    color: white;
    font-family: "M PLUS Rounded 1c", sans-serif;
    font-weight: 800;
    font-size: 22px;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(232, 90, 144, 0.18);
  }
  .member-role {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--pink-600);
    background: var(--pink-50);
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 8px;
    letter-spacing: 0.04em;
  }
  .member-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink-900);
    margin: 4px 0;
  }
  .member-affil {
    font-size: 12px;
    color: var(--ink-700);
    line-height: 1.6;
  }
  .members-section + .members-section { margin-top: 56px; }
  .members-section h2 {
    display: flex; align-items: center; gap: 12px;
    font-size: 22px;
    font-weight: 800;
    color: var(--ink-900);
    margin: 0 0 8px;
  }
  .members-section h2::before {
    content: "";
    width: 6px; height: 22px;
    background: linear-gradient(180deg, var(--pink-500), var(--pink-600));
    border-radius: 3px;
  }

  /* ---------- SEMINARS PAGE ---------- */
  .seminars-list {
    display: grid;
    gap: 20px;
    margin-top: 32px;
  }
  .seminar-row {
    display: grid;
    grid-template-columns: 90px 1fr auto;
    align-items: center;
    gap: 24px;
    background: white;
    border-radius: var(--radius-md);
    padding: 22px 28px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--pink-100);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-family: "Noto Sans JP", sans-serif;
  }
  .seminar-row { cursor: pointer; }
  .seminar-row:hover { transform: translateX(4px); box-shadow: var(--shadow-card); border-color: var(--pink-300); }
  .seminar-row:focus-visible { outline: 3px solid var(--pink-300); outline-offset: 3px; }

  /* SEMINAR MODAL */
  /* ---- SEMINAR MODAL（研究会一覧の元デザイン） ---- */
  .sem-modal {
    position: fixed; inset: 0; z-index: 1000;
    display: flex;
    align-items: center; justify-content: center;
    padding: 24px;
    background: rgba(60, 20, 40, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
    font-family: "Noto Sans JP", sans-serif;
  }
  .sem-modal.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.3s ease, visibility 0s linear 0s;
  }
  .sem-modal-card {
    background: #fff;
    border-radius: 24px;
    width: min(720px, 100%);
    max-height: calc(100vh - 48px);
    overflow: hidden;
    display: flex; flex-direction: column;
    box-shadow: 0 24px 60px rgba(180, 50, 110, 0.35);
    transform: translateY(16px) scale(0.98);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .sem-modal.open .sem-modal-card { transform: translateY(0) scale(1); }
  .sem-modal-head {
    position: relative;
    padding: 28px 32px 22px;
    background: linear-gradient(135deg, var(--pink-50), #fff);
    border-bottom: 1px solid var(--pink-100);
  }
  .sem-modal-num {
    display: inline-flex;
    align-items: baseline;
    gap: 1px;
    font-family: "Outfit", "M PLUS Rounded 1c", sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
    background: linear-gradient(135deg, var(--pink-400), var(--pink-600));
    padding: 5px 18px;
    border-radius: 999px;
    margin-bottom: 14px;
    box-shadow: 0 3px 10px rgba(212,123,150,0.38);
  }
  .sem-modal-num strong { font-size: 20px; line-height: 1; margin: 0 1px; padding-bottom: 0; }
  .sem-modal-num .sem-num-pre,
  .sem-modal-num .sem-num-post { font-size: 11px; opacity: 0.9; }
  .sem-modal-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink-900);
    line-height: 1.45;
    margin: 0 36px 8px 0;
    text-wrap: pretty;
  }
  .sem-modal-datetime {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 6px;
  }
  .sem-modal-date {
    font-family: "Outfit", sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--pink-700);
    letter-spacing: 0.05em;
  }
  .sem-modal-time {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink-600);
  }
  .sem-modal-close {
    position: absolute;
    top: 18px; right: 18px;
    width: 36px; height: 36px;
    border-radius: 50%;
    border: none;
    background: #fff;
    color: var(--pink-700);
    cursor: pointer;
    display: grid; place-items: center;
    box-shadow: 0 2px 8px rgba(232, 90, 144, 0.18);
    transition: transform 0.2s ease, background 0.2s ease;
  }
  .sem-modal-close:hover { transform: rotate(90deg); background: var(--pink-50); }
  .sem-modal-body {
    padding: 24px 32px 0;
    overflow-y: auto;
    color: var(--ink-700);
    font-size: 15px;
    line-height: 1.85;
  }
  .sem-modal-footer {
    padding: 20px 32px 28px;
    display: flex;
    justify-content: center;
  }
  #semModalApplyBtn { display: none; }
  /* 基本情報の表（プログラム表と同じデザイン） */
  .sem-modal-meta {
    display: grid;
    gap: 0;
    margin-bottom: 22px;
    border: 1px solid var(--pink-100);
    border-radius: 12px;
    overflow: hidden;
  }
  .sem-modal-meta-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    border-bottom: 1px solid var(--pink-100);
    align-items: stretch;
  }
  .sem-modal-meta-row:last-child { border-bottom: none; }
  .sem-modal-meta-row dt {
    padding: 10px 14px;
    background: var(--pink-50);
    font-weight: 600;
    font-size: 13px;
    color: var(--pink-700);
  }
  .sem-modal-meta-row dd {
    padding: 10px 14px;
    margin: 0;
    font-size: 14px;
    color: var(--ink-900);
    font-weight: 500;
  }
  .sem-modal-section { margin-top: 20px; }
  .sem-modal-section h4 {
    font-size: 14px;
    color: var(--pink-700);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin: 0 0 8px;
    padding-left: 10px;
    border-left: 3px solid var(--pink-400);
  }
  .sem-modal-section p {
    margin: 0 0 10px;
    color: var(--ink-700);
    text-wrap: pretty;
  }
  .sem-modal-section ul {
    margin: 0; padding-left: 20px;
    color: var(--ink-700);
  }
  .sem-modal-section li { margin-bottom: 4px; }
  .sem-modal-link {
    display: inline-flex;
    align-items: center;
    color: var(--pink-600);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--pink-200);
    padding-bottom: 1px;
    transition: color 0.2s ease, border-color 0.2s ease;
  }
  .sem-modal-link:hover { color: var(--pink-700); border-color: var(--pink-400); }
  .sem-modal-meta .sem-program-value {
    margin: 0 0 8px;
    line-height: 1.7;
    text-wrap: pretty;
  }
  .sem-modal-meta .sem-program-value:last-child { margin-bottom: 0; }
  .sem-program-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
    color: #fff !important;
    font-weight: 700;
    font-size: 12.5px;
    text-decoration: none;
    border-radius: 999px;
    border: none;
    box-shadow: 0 2px 8px rgba(218, 88, 132, 0.25);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    white-space: nowrap;
  }
  .sem-program-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(218, 88, 132, 0.35);
  }
  .sem-program-btn svg { flex-shrink: 0; }
  /* 既存の sem-program-block / sem-program-dl / sem-files-grid 等は seminars.html の JS から参照される */
  .sem-block-title { font-size: 14px; font-weight: 700; color: var(--pink-700); margin: 0 0 10px; padding-left: 10px; border-left: 3px solid var(--pink-400); letter-spacing: 0.05em; }
  .sem-program-block, .sem-files-block { margin-top: 22px; }
  .sem-program-dl { display: grid; gap: 0; border: 1px solid var(--pink-100); border-radius: 12px; overflow: hidden; }
  .sem-program-dl-row { display: grid; grid-template-columns: 120px 1fr; border-bottom: 1px solid var(--pink-100); }
  .sem-program-dl-row:last-child { border-bottom: none; }
  .sem-program-dl-row dt { padding: 10px 14px; background: var(--pink-50); font-weight: 600; font-size: 13px; color: var(--pink-700); }
  .sem-program-dl-row dd { padding: 10px 14px; margin: 0; font-size: 14px; color: var(--ink-800); }
  .sem-files-grid { display: grid; gap: 10px; }
  .sem-file-card {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--pink-100); border-radius: 12px;
    text-decoration: none; color: inherit;
    transition: background 0.2s;
  }
  .sem-file-card:hover { background: var(--pink-50); }
  .sem-file-icon { color: var(--pink-600); flex-shrink: 0; }
  .sem-file-text { flex: 1; min-width: 0; }
  .sem-file-name { display: block; font-size: 14px; font-weight: 600; color: var(--ink-900); }
  .sem-file-caption { display: block; font-size: 11.5px; color: var(--ink-500); }
  .sem-file-arrow { color: var(--pink-600); flex-shrink: 0; }
  @media (max-width: 600px) {
    .sem-modal-head { padding: 22px 22px 18px; }
    .sem-modal-body { padding: 20px 22px 0; }
    .sem-modal-footer { padding: 16px 22px 24px; }
    .sem-modal-meta-row, .sem-program-dl-row { grid-template-columns: 1fr; gap: 2px; }
  }

  /* MATERIALS TABLE */
  .mat-section { margin-top: 56px; }
  .mat-section:first-of-type { margin-top: 0; }
  .mat-section-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink-900);
    margin: 0 0 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: "Noto Sans JP", sans-serif;
  }
  .mat-section-title::before {
    content: "";
    width: 6px; height: 22px;
    background: linear-gradient(180deg, var(--pink-500), var(--pink-600));
    border-radius: 3px;
  }
  .mat-table-wrap {
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--pink-100);
    background: #fff;
  }
  .mat-table {
    width: 100%;
    border-collapse: collapse;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    min-width: 560px;
  }
  .mat-table thead tr.mat-table-head1 th {
    background: linear-gradient(180deg, var(--pink-500), var(--pink-600));
    color: #fff;
    font-weight: 700;
    padding: 14px 16px;
    text-align: center;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--pink-700);
  }
  .mat-table thead tr.mat-table-head2 th {
    background: var(--pink-50);
    color: var(--pink-700);
    font-weight: 700;
    padding: 10px 16px;
    text-align: center;
    font-size: 13px;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--pink-100);
  }
  .mat-table thead tr.mat-table-head2 th:first-child { text-align: left; }
  .mat-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid #fce8ef;
    vertical-align: middle;
  }
  .mat-table tbody tr:last-child td { border-bottom: none; }
  .mat-table tbody tr:hover { background: #fffafd; }
  .mat-table .mat-title-cell {
    font-weight: 600;
    color: var(--ink-800);
    width: 40%;
  }
  .mat-table .mat-dl-cell {
    text-align: center;
    width: 30%;
  }
  .mat-dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 999px;
    background: #fff;
    border: 1.5px solid var(--pink-300);
    color: var(--pink-700);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
  }
  .mat-dl-btn:hover {
    background: var(--pink-500);
    border-color: var(--pink-500);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(232, 90, 144, 0.3);
  }
  .mat-dl-btn.mat-dl-bulk {
    background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
    border-color: var(--pink-600);
    color: #fff;
  }
  .mat-dl-btn.mat-dl-bulk:hover {
    background: var(--pink-700);
    border-color: var(--pink-700);
  }
  .mat-dl-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: transparent;
    color: var(--pink-600);
    text-decoration: none;
    transition: all .2s;
    border: none;
  }
  .mat-dl-icon:hover {
    color: var(--pink-700);
    transform: translateY(-2px) scale(1.05);
    filter: drop-shadow(0 6px 10px rgba(232, 90, 144, 0.35));
  }
  .mat-title-sub {
    font-size: 12px;
    color: var(--ink-500);
    font-weight: 500;
    margin-left: 4px;
  }
  .mat-table tbody tr.mat-bulk-row td {
    background: linear-gradient(180deg, #fff5f9, #ffeaf2);
    font-weight: 700;
  }
  .mat-empty { color: var(--ink-400); font-size: 12px; }

  /* MEMBERS TABLE specific */
  .mem-meta-line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 18px;
    font-family: "Noto Sans JP", sans-serif;
    flex-wrap: wrap;
    gap: 8px;
  }
  .mem-meta-org {
    font-size: 20px;
    font-weight: 800;
    color: var(--ink-900);
  }
  .mem-meta-date {
    font-size: 13px;
    color: var(--ink-500);
    font-family: "Outfit", sans-serif;
    letter-spacing: 0.05em;
  }
  .mem-table .mem-role-cell {
    font-weight: 700;
    color: var(--pink-700);
    width: 32%;
    background: #fffafd;
  }
  .mem-table .mem-name-cell {
    font-weight: 600;
    color: var(--ink-900);
    width: 28%;
    text-align: center;
  }
  .mem-table .mem-facility-cell {
    color: var(--ink-700);
    width: 40%;
  }
  .mem-table thead tr.mat-table-head1 th { text-align: center; }
  .mem-table thead tr.mat-table-head1 th:first-child { text-align: left; }

  /* ORG CHART */
  .org-chart {
    margin: 0 auto 56px;
    padding: 32px 16px 16px;
    font-family: "Noto Sans JP", sans-serif;
    overflow-x: auto;
  }
  .org-chart-inner {
    min-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .org-box {
    background: #fff;
    border: 2px solid var(--pink-300);
    border-radius: 12px;
    padding: 10px 18px;
    font-weight: 700;
    color: var(--ink-900);
    text-align: center;
    box-shadow: 0 4px 12px rgba(232, 90, 144, 0.12);
    font-size: 14px;
    min-width: 120px;
    position: relative;
  }
  .org-box.org-root {
    background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
    border-color: var(--pink-700);
    color: #fff;
    font-size: 16px;
    padding: 14px 28px;
    box-shadow: 0 6px 18px rgba(214, 66, 123, 0.28);
  }
  .org-box.org-leader {
    background: linear-gradient(180deg, #fff, var(--pink-50));
    border-color: var(--pink-400);
  }
  .org-box.org-dept {
    background: var(--pink-100);
    border-color: var(--pink-400);
    color: var(--pink-700);
  }
  .org-box.org-member {
    background: #fffafd;
    border-style: dashed;
    color: var(--ink-700);
    font-weight: 600;
  }
  .org-box small {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--ink-500);
    margin-top: 2px;
    letter-spacing: 0.04em;
  }
  .org-box.org-root small { color: rgba(255,255,255,0.85); }
  .org-link-vert {
    width: 2px;
    height: 24px;
    background: var(--pink-300);
  }
  .org-link-vert-sm {
    width: 2px;
    height: 18px;
    background: var(--pink-300);
  }
  .org-row {
    display: flex;
    align-items: stretch;
    gap: 0;
  }
  /* representative + accounting cluster */
  .org-rep-cluster {
    display: flex;
    align-items: center;
    gap: 32px;
    position: relative;
  }
  .org-rep-cluster .org-rep-line {
    position: absolute;
    top: 50%;
    left: calc(50% + 64px);
    width: 32px;
    height: 2px;
    background: var(--pink-300);
    transform: translateY(-50%);
  }
  .org-accounting-stack {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  /* 4 departments grid */
  .org-depts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    width: 100%;
    position: relative;
    padding-top: 0;
  }
  .org-depts::before {
    content: "";
    position: absolute;
    top: -24px;
    left: calc(12.5% + 8px);
    right: calc(12.5% + 8px);
    height: 2px;
    background: var(--pink-300);
  }
  .org-dept-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }
  .org-dept-col::before {
    content: "";
    position: absolute;
    top: -24px;
    left: 50%;
    width: 2px;
    height: 24px;
    background: var(--pink-300);
    transform: translateX(-50%);
  }
  @media (max-width: 700px) {
    .org-chart { padding: 20px 0 8px; }
  }
  /* org chart as image */
  .org-chart-image-wrap {
    margin: 0 auto 56px;
    padding: 24px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 6px 18px rgba(214, 66, 123, 0.08);
    border: 1px solid var(--pink-100);
    text-align: center;
  }
  .org-chart-image {
    max-width: 100%;
    height: auto;
    display: inline-block;
  }

  /* RULES (会則) — uses info-card chrome from about page */
  .rules-info-card .rules-download {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 18px;
    padding: 18px 22px;
    background: linear-gradient(135deg, var(--pink-50) 0%, #fff 60%);
    border: 1.5px dashed var(--pink-300);
    border-radius: 14px;
    text-decoration: none;
    color: inherit;
    transition: all .25s;
  }
  .rules-info-card .rules-download:hover {
    border-style: solid;
    border-color: var(--pink-500);
    background: linear-gradient(135deg, var(--pink-100) 0%, #fff 80%);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(214, 66, 123, 0.12);
  }
  .rules-download-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
  }
  .rules-download-label {
    font-family: "Noto Sans JP", sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--ink-900);
  }
  .rules-download-sub {
    font-size: 12px;
    color: var(--pink-700);
    letter-spacing: 0.08em;
    font-weight: 600;
  }
  .rules-download-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--pink-500);
    color: #fff;
    border-radius: 999px;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 13px;
    font-weight: 700;
    transition: background .2s;
    white-space: nowrap;
  }
  .rules-info-card .rules-download:hover .rules-download-btn {
    background: var(--pink-700);
  }
  @media (max-width: 600px) {
    .rules-info-card .rules-download {
      flex-direction: column;
      align-items: stretch;
      text-align: center;
    }
    .rules-download-btn { justify-content: center; }
  }

  /* NEWS MODAL */
  .news-modal {
    position: fixed; inset: 0;
    display: flex;
    z-index: 200;
    align-items: flex-start;
    justify-content: center;
    padding: 24px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
  }
  .news-modal.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.3s ease, visibility 0s linear 0s;
  }
  .news-modal-backdrop {
    position: absolute; inset: 0;
    background: rgba(50, 18, 32, 0.55);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
  }
  .news-modal-card {
    position: relative;
    max-width: 720px;
    width: 100%;
    background: #fff;
    border-radius: 20px;
    padding: 36px 40px 32px;
    box-shadow: 0 24px 60px rgba(214, 66, 123, 0.32);
    font-family: "Noto Sans JP", sans-serif;
    margin: auto;
    transform: translateY(20px) scale(.96);
    transition: transform 0.3s cubic-bezier(.2,.8,.2,1);
  }
  .news-modal.open .news-modal-card {
    transform: translateY(0) scale(1);
  }
  .news-modal-close {
    position: absolute; top: 14px; right: 16px;
    width: 36px; height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--pink-100);
    color: var(--pink-700);
    font-size: 22px; line-height: 1;
    cursor: pointer;
    transition: background .2s;
  }
  .news-modal-close:hover { background: var(--pink-200); }
  .news-modal-meta {
    display: flex; gap: 12px; align-items: center;
    margin-bottom: 14px;
  }
  .news-modal-meta .news-date {
    color: var(--pink-700); font-weight: 700; letter-spacing: 0.05em;
  }
  .news-modal-meta .news-tag {
    background: var(--pink-100); color: var(--pink-700);
    padding: 3px 12px; border-radius: 999px;
    font-size: 12px; font-weight: 600;
  }
  .news-modal-title {
    font-size: 22px; font-weight: 800;
    color: var(--ink-900);
    margin: 0 0 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--pink-200);
    line-height: 1.5;
  }
  .news-modal-body p {
    font-size: 15px;
    line-height: 1.95;
    color: var(--ink-800);
    margin: 0 0 14px;
    text-align: justify;
  }
  .news-modal-body strong {
    color: var(--pink-700);
    font-weight: 700;
  }
  .news-modal-sign {
    text-align: right;
    margin-top: 22px !important;
    font-weight: 600;
    color: var(--ink-900);
  }
  @media (max-width: 600px) {
    .news-modal-card { padding: 28px 22px 24px; border-radius: 16px; }
    .news-modal-title { font-size: 18px; }
    .news-modal-body p { font-size: 14px; line-height: 1.85; }
  }
  @media (max-width: 600px) {
    .mat-section-title { font-size: 19px; }
    /* スマホでは横スクロールせず全幅表示（丸角は維持） */
    .mat-table-wrap { overflow: hidden; }
    .mat-table { min-width: 0; font-size: 12px; table-layout: fixed; word-break: break-word; }
    .mat-table thead tr.mat-table-head1 th,
    .mat-table thead tr.mat-table-head2 th { padding: 8px 6px; font-size: 11px; letter-spacing: 0; }
    .mat-table tbody td { padding: 8px 6px; }
    .mat-table .mat-title-cell { width: 50%; font-size: 12px; line-height: 1.45; }
    .mat-table .mat-dl-cell { width: 25%; padding-left: 2px; padding-right: 2px; }
    .mat-dl-btn { padding: 5px 8px; font-size: 11px; gap: 3px; }
  }
  @media (max-width: 600px) {
    .sem-modal { padding: 12px; }
    .sem-modal-head { padding: 22px 22px 18px; }
    .sem-modal-title { font-size: 18px; margin-right: 32px; }
    .sem-modal-body { padding: 20px 22px 0; }
    .sem-modal-footer { padding: 16px 22px 24px; }
    .sem-modal-meta-row { grid-template-columns: 1fr; gap: 2px; }
  }
  .seminar-num {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 76px; height: 76px;
    background: #fff;
    border-radius: 50%;
    border: 2px solid var(--pink-200);
    box-shadow: 0 0 0 5px var(--pink-50), 0 4px 12px rgba(212,123,150,0.14);
    color: var(--pink-600);
    font-family: "Outfit", "M PLUS Rounded 1c", sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: center;
    line-height: 1.25;
  }
  .seminar-num strong { display: block; font-size: 26px; line-height: 1; color: var(--pink-600); padding-bottom: 2px; }
  .sem-num-pre  { font-size: 10px; opacity: 0.75; }
  .sem-num-post { font-size: 10px; opacity: 0.75; }
  .seminar-content h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink-900);
    margin: 0 0 6px;
    line-height: 1.5;
  }
  .seminar-content .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 13px;
    color: var(--ink-500);
  }
  .seminar-content .meta span { display: inline-flex; align-items: center; gap: 5px; }
  .seminar-date-tag {
    font-family: "Outfit", sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink-500);
    white-space: nowrap;
  }
  @media (max-width: 700px) {
    .seminar-row {
      grid-template-columns: 64px 1fr;
      gap: 16px; padding: 18px;
    }
    .seminar-num { width: 62px; height: 62px; font-size: 9px; box-shadow: 0 0 0 4px var(--pink-50), 0 3px 8px rgba(212,123,150,0.12); }
    .seminar-num strong { font-size: 20px; }
    .seminar-date-tag { grid-column: 1 / -1; }
  }

  /* ---------- NEWS PAGE ---------- */
  .news-page-list {
    margin-top: 32px;
    display: grid;
    gap: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--pink-100);
    overflow: hidden;
  }
  .news-page-list .news-item {
    border-bottom: 1px solid var(--pink-100);
    padding: 22px 28px;
  }
  .news-page-list .news-item:last-child { border-bottom: none; }
  .news-group-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--pink-700);
    padding: 8px 28px;
    background: var(--pink-50);
    border-bottom: 1px solid var(--pink-100);
    letter-spacing: 0.06em;
  }
  .news-group + .news-group .news-group-title { border-top: 1px solid var(--pink-100); }
  .news-group.hidden { display: none; }
  .sem-detail-row {
    display: flex;
    gap: 16px;
    padding: 8px 0;
    border-bottom: 1px solid var(--pink-100);
    font-size: 14px;
    line-height: 1.6;
  }
  .sem-detail-label {
    flex-shrink: 0;
    width: 100px;
    font-weight: 600;
    color: var(--pink-700);
  }
  .sem-detail-desc { margin-top: 16px; }
  .sem-detail-footer { margin-top: 20px; text-align: center; }
  .news-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 24px 0 0;
    justify-content: center;
  }
  .news-filter button {
    padding: 8px 18px;
    border-radius: 999px;
    background: white;
    border: 1px solid var(--pink-200);
    color: var(--ink-700);
    font-family: "Noto Sans JP", sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .news-filter button:hover { background: var(--pink-50); }
  .news-filter button.active {
    background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(232, 90, 144, 0.25);
  }

  /* ---------- MATERIALS PAGE ---------- */
  .materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 32px;
  }
  .material-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--pink-100);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-family: "Noto Sans JP", sans-serif;
  }
  .material-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
  .material-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--pink-100), var(--pink-50));
    border-radius: 14px;
    display: grid; place-items: center;
    color: var(--pink-600);
  }
  .material-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink-900);
    margin: 0;
    line-height: 1.5;
  }
  .material-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--ink-500);
  }
  .material-meta .pill {
    background: var(--pink-50);
    color: var(--pink-700);
    padding: 2px 10px;
    border-radius: 999px;
    font-weight: 700;
  }
  .material-dl {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--pink-50);
    color: var(--pink-700);
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    align-self: flex-start;
    transition: all 0.2s ease;
  }
  .material-card:hover .material-dl {
    background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
    color: white;
  }

  @media (max-width: 768px) {
    .back-to-top { display: none !important; }
  }


/* ========== 世話人名簿テーブル（モバイル横スクロールヒント） ========== */
.mem-table-wrap {
  position: relative;
}
.mem-table-wrap::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 36px;
  background: linear-gradient(to right, rgba(255,255,255,0), rgba(255,255,255,0.95));
  border-radius: 0 16px 16px 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.18s;
}
.mem-table-wrap.has-overflow::after { opacity: 1; }
.mem-scroll-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 10px 0 0;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--pink-600);
  background: linear-gradient(135deg, #fff 0%, #fff5f8 100%);
  border: 1px dashed var(--pink-200);
  border-radius: 999px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  width: fit-content;
  margin-left: auto; margin-right: auto;
}
.mem-scroll-hint .arrow {
  display: inline-flex;
  animation: memHintBob 1.4s ease-in-out infinite;
}
@keyframes memHintBob {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(4px); }
}
@media (max-width: 720px) {
  .mem-table-wrap.has-overflow + .mem-scroll-hint { display: inline-flex; }
}

/* ---- About page ---- */
.about-rules-wrap { margin-top: 32px; }
.about-rules-dl { margin-top: 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ---- Dynamic content helpers ---- */
.loading-msg {
  text-align: center;
  color: var(--ink-500);
  padding: 20px 0;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-size: 14px;
}
.hidden-item { display: none; }
.seminars-note {
  text-align: center;
  margin-top: 32px;
  color: var(--ink-500);
  font-size: 13px;
  font-family: "Noto Sans JP", system-ui, sans-serif;
}
.seminars-note a {
  color: var(--pink-600);
  font-weight: 700;
  text-decoration: underline;
}

/* ---- Members page ---- */
.mem-title-tight { margin-bottom: 8px; }
.mem-title-org { margin: 56px 0 8px; }

/* ---- Materials page ---- */
.mat-th-center { text-align: center; }
.mat-th-dl-120 { text-align: center; width: 120px; }

/* ============================================================
   ページロード画面 + ページ遷移トランジション
   ============================================================ */
.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: linear-gradient(135deg, #fff5f8 0%, #ffffff 60%, #fff8fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}
.page-loader.hide {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}
.page-loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}
.page-loader-mascot-wrap {
    position: relative;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-loader-mascot {
    width: 56px;
    height: 56px;
    animation: pageLoaderPulse 1.4s ease-in-out infinite;
}
.page-loader-mascot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.page-loader-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid var(--pink-100);
    border-top-color: var(--pink-500);
    animation: pageLoaderSpin 0.9s linear infinite;
}
.page-loader-text {
    font-family: "Outfit", "M PLUS Rounded 1c", sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--pink-700);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
@keyframes pageLoaderPulse {
    0%, 100% { transform: scale(1); opacity: 0.85; }
    50%      { transform: scale(1.08); opacity: 1; }
}
@keyframes pageLoaderSpin {
    to { transform: rotate(360deg); }
}

/* ページ遷移フェード（body に transform を残すと position:fixed の基準が崩れるため opacity のみ） */
body {
    animation: pageFadeIn 0.5s ease both;
}
body.page-fade-out {
    animation: pageFadeOut 0.28s ease both;
}
@keyframes pageFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes pageFadeOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}

/* ロード中はスクロール抑止 */
body.is-loading { overflow: hidden; }