/* ============================================================
   U-TECH Annual Meeting 2026 — Stylesheet
   ============================================================ */

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

:root {
  /* ディープグリーン主 + ライムアクセント（チラシB案準拠） */
  --blue-900: #0E3328;
  --blue-800: #14513E;
  --blue-700: #1A6E54;
  --blue-600: #008C64;
  --blue-500: #21A77D;
  --blue-400: #4FC09A;
  --blue-300: #82D5B6;
  --blue-200: #B0E5CF;
  --blue-100: #D6F1E3;
  --blue-50:  #EAF7F0;

  --dark:    #0A1A14;
  --gray-900:#1A2A22;
  --gray-700:#3A4A40;
  --gray-500:#6B7B72;
  --gray-300:#B0BEB5;
  --gray-100:#ECEFEC;
  --white:   #FFFFFF;

  --accent:  #A8C846;     /* ライムグリーン（チラシのアクセント） */
  --accent-warm: #FF6F61; /* 警告系・強調はそのまま暖色 */

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;

  --nav-h: 72px;
  --section-py: clamp(64px, 8vw, 120px);
}

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

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  line-height: 1.8;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only  { display: none; }
@media (max-width: 640px) { .sp-only { display: inline; } }

.text-small { font-size: 0.82rem; color: var(--gray-500); }

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
}
.nav::before {
  content: ''; position: absolute; inset: 0;
  transition: background 0.35s, box-shadow 0.35s, backdrop-filter 0.35s;
  z-index: -1;
}
.nav--scrolled::before {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 12px rgba(14,51,40,0.08);
}
.nav__inner {
  max-width: 1200px; margin: 0 auto;
  height: 100%; display: flex;
  align-items: center; justify-content: space-between;
  padding: 0 28px;
}
.nav__logo {
  display: flex; flex-direction: column; gap: 0;
}
.nav__logo-main {
  font-family: var(--font-display);
  font-weight: 800; font-size: 1.3rem;
  color: var(--white); letter-spacing: 0.04em;
  transition: color 0.35s;
}
.nav__logo-sub {
  font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 400;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.06em;
  transition: color 0.35s;
}
.nav--scrolled .nav__logo-main { color: var(--blue-700); }
.nav--scrolled .nav__logo-sub  { color: var(--gray-500); }

.nav__menu {
  display: flex; align-items: center; gap: 4px;
}
.nav__menu a {
  font-size: 0.82rem; font-weight: 500;
  padding: 8px 12px; border-radius: 6px;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s, background 0.2s;
}
.nav__menu a.is-active {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}
.nav--scrolled .nav__menu a { color: var(--gray-700); }
.nav--scrolled .nav__menu a.is-active {
  background: var(--blue-50);
  color: var(--blue-700);
}
.nav__menu a:hover { background: rgba(255,255,255,0.12); }
.nav--scrolled .nav__menu a:hover { background: var(--blue-50); color: var(--blue-700); }

.nav__cta {
  background: var(--white) !important;
  color: var(--blue-700) !important;
  font-weight: 600 !important;
  border-radius: 8px !important;
}
.nav--scrolled .nav__cta {
  background: var(--blue-600) !important;
  color: var(--white) !important;
}

/* Hamburger */
.nav__toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 28px; height: 20px; position: relative;
}
.nav__toggle span {
  display: block; width: 100%; height: 2px;
  background: var(--white); border-radius: 2px;
  position: absolute; left: 0;
  transition: all 0.3s;
}
.nav--scrolled .nav__toggle span { background: var(--gray-700); }
.nav__toggle span:nth-child(1) { top: 0; }
.nav__toggle span:nth-child(2) { top: 9px; }
.nav__toggle span:nth-child(3) { top: 18px; }
.nav__toggle.is-active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.nav__toggle.is-active span:nth-child(2) { opacity: 0; }
.nav__toggle.is-active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

@media (max-width: 1100px) {
  .nav__toggle { display: block; }
  .nav__menu {
    display: flex !important;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    bottom: 0; z-index: 999;
    width: 100vw !important; max-width: 100vw !important;
    background: var(--white);
    flex-direction: column; align-items: stretch;
    padding: 40px 32px 40px; gap: 12px; margin: 0;
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    transform: translateY(-120%); opacity: 0;
    transition: transform 0.4s ease, opacity 0.3s ease;
    pointer-events: none;
    overflow-y: auto; overflow-x: hidden;
    justify-content: flex-start;
    box-sizing: border-box;
  }
  .nav__menu.is-open {
    transform: translateY(0); opacity: 1; pointer-events: all;
  }
  .nav__menu a {
    color: var(--gray-700) !important; width: 100%; text-align: center;
    padding: 16px 16px; font-size: 1.05rem; border-radius: 8px;
    transition: background 0.2s; box-sizing: border-box;
  }
  .nav__menu a:hover { background: var(--blue-50) !important; }
  .nav__menu a.is-active { background: var(--blue-50) !important; color: var(--blue-700) !important; }
  .nav__menu li {
    display: block;
    width: 100%;
  }
  .nav__menu li:last-child {
    margin-top: 24px !important;
  }
  .nav__cta {
    display: block !important;
    background: var(--blue-600) !important;
    color: var(--white) !important;
    padding: 18px 16px !important; font-size: 1.05rem !important;
    border-radius: 8px !important;
  }
}

/* ============================================================
   Hero (Home page only)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--blue-600);
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    url('../images/hero-bg.jpg') center center / cover no-repeat;
  background-color: #21A77D;
}
@media (max-width: 768px) {
  .hero {
    min-height: 75vh; min-height: 75dvh;
  }
  .hero__bg {
    background-position: right top;
  }
}
.hero__bg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(20,81,62,0.55) 0%, rgba(0,140,100,0.4) 50%, rgba(168,200,70,0.35) 100%);
}
.hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,51,40,0.15) 0%, rgba(14,51,40,0.5) 100%);
}
.hero__content {
  position: relative; z-index: 2;
  text-align: center; color: var(--white);
  padding: 120px 24px 80px;
}
.hero__badge {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.12em;
  padding: 8px 24px; border-radius: 40px;
  border: 1.5px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  margin-bottom: 32px;
  animation: fadeUp 0.8s ease 0.2s both;
}
.hero__title {
  animation: fadeUp 0.8s ease 0.35s both;
}
.hero__title-en {
  display: block;
  font-family: var(--font-display);
  font-weight: 800; font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 1.05; letter-spacing: -0.02em;
  text-shadow: 0 4px 40px rgba(14,51,40,0.3);
}
.hero__title-year {
  display: block;
  font-family: var(--font-display);
  font-weight: 300; font-size: clamp(3rem, 8vw, 6.5rem);
  letter-spacing: 0.08em;
  line-height: 1;
  background: linear-gradient(135deg, var(--white) 30%, var(--blue-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 4px;
}
.hero__subtitle-ja {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 500; letter-spacing: 0.1em;
  margin-top: 20px;
  animation: fadeUp 0.8s ease 0.5s both;
}
.hero__subtitle-en {
  font-family: var(--font-display);
  font-size: clamp(0.72rem, 1.2vw, 0.88rem);
  font-weight: 300; letter-spacing: 0.18em;
  opacity: 0.65; margin-top: 6px;
  animation: fadeUp 0.8s ease 0.55s both;
}
.hero__theme {
  margin-top: 40px;
  animation: fadeUp 0.8s ease 0.65s both;
}
.hero__theme-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 4px 16px; border-radius: 4px;
  background: rgba(255,255,255,0.15);
  margin-bottom: 12px;
}
.hero__theme-text {
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  font-weight: 700; line-height: 1.6;
}
.hero__actions {
  display: flex; gap: 16px;
  justify-content: center; flex-wrap: wrap;
  margin-top: 48px;
  animation: fadeUp 0.8s ease 0.8s both;
}

.hero__scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-display); font-size: 0.6rem; letter-spacing: 0.2em;
  animation: fadeUp 0.8s ease 1s both;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50%      { opacity: 1;   transform: scaleY(1); }
}

/* ============================================================
   Page Header (Sub pages)
   ============================================================ */
.page-header {
  position: relative;
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-500) 50%, var(--accent) 100%);
  color: var(--white);
  overflow: hidden;
}
.page-header__bg {
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-header .container {
  position: relative; z-index: 1;
}
.page-header__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}
.page-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 600;
  padding: 14px 36px; border-radius: 10px;
  transition: all 0.25s ease; cursor: pointer;
  border: none;
}
.btn--primary {
  background: var(--white); color: var(--blue-700);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.18);
}
.btn--outline {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}
.btn--dark {
  background: var(--blue-700); color: var(--white);
}
.btn--dark:hover {
  background: var(--blue-800);
  transform: translateY(-2px);
}
.btn--lg { padding: 18px 48px; font-size: 1rem; }

/* ============================================================
   Info Bar
   ============================================================ */
.infobar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  padding: 28px 0;
  position: relative; z-index: 5;
  box-shadow: 0 4px 24px rgba(14,51,40,0.06);
}
.infobar__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.infobar__item {
  display: flex; align-items: center; gap: 14px;
}
.infobar__icon {
  width: 42px; height: 42px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--blue-50); color: var(--blue-600);
}
.infobar__icon svg { width: 20px; height: 20px; }
.infobar__label {
  display: block; font-size: 0.7rem; font-weight: 500;
  color: var(--gray-500); letter-spacing: 0.04em;
}
.infobar__value {
  display: block; font-size: 0.88rem; font-weight: 600;
  color: var(--gray-900);
}

@media (max-width: 768px) {
  .infobar__grid { grid-template-columns: 1fr; gap: 16px; }
}

/* ============================================================
   Sections
   ============================================================ */
.section {
  padding: var(--section-py) 0;
}
.section--light {
  background: var(--gray-100);
}
.section--blue {
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-500) 100%);
  color: var(--white);
}
.section--dark {
  background: var(--dark);
  color: var(--white);
}
.section--accent {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--accent) 100%);
  color: var(--white);
}

.section__header {
  text-align: center;
  margin-bottom: 52px;
}
.section__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 8px;
}
.section__label--light { color: rgba(255,255,255,0.6); }

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700; letter-spacing: 0.02em;
  color: var(--gray-900);
}
.section__title--light { color: var(--white); }

.section__desc {
  font-size: 0.95rem; color: var(--gray-500);
  margin-top: 10px;
}
.section__desc--light { color: rgba(255,255,255,0.7); }

/* ============================================================
   News / Topics (Home)
   ============================================================ */
.news__list {
  max-width: 800px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--gray-100);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(14,51,40,0.06);
}
.news__item {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--gray-100);
}
.news__item:last-child {
  border-bottom: none;
}
.news__date {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-500);
  white-space: nowrap;
  flex-shrink: 0;
}
.news__title {
  font-size: 0.95rem;
  color: var(--gray-800);
  line-height: 1.6;
}
a.news__title {
  color: var(--blue-600);
  text-decoration: none;
  transition: color 0.2s;
}
a.news__title:hover {
  color: var(--blue-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 768px) {
  .news__item {
    flex-direction: column;
    gap: 4px;
    padding: 14px 20px;
  }
  .news__date { font-size: 0.78rem; }
  .news__title { font-size: 0.9rem; }
}

/* ============================================================
   Greeting (About page)
   ============================================================ */
.greeting {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  max-width: 960px;
  margin: 0 auto;
  align-items: start;
}
.greeting__photo {
  text-align: center;
}
.greeting__photo img {
  width: 100%;
  max-width: 240px;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(14,51,40,0.12);
  margin: 0 auto 16px;
  background: var(--gray-100);
  aspect-ratio: 3/4;
  object-fit: cover;
}
.greeting__photo-caption {
  display: flex; flex-direction: column; gap: 2px;
}
.greeting__photo-name {
  font-size: 1.1rem; font-weight: 700;
  color: var(--gray-900);
}
.greeting__photo-title {
  font-size: 0.78rem; color: var(--gray-500);
}
.greeting__text {
  font-size: 0.95rem; color: var(--gray-700);
  line-height: 1.9;
}
.greeting__text p + p {
  margin-top: 16px;
}
.greeting__text strong {
  color: var(--blue-700);
}
.greeting__sign {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-100);
  display: flex; flex-direction: column; gap: 2px;
  text-align: right;
}
.greeting__sign-title {
  font-size: 0.78rem; color: var(--gray-500);
}
.greeting__sign-role {
  font-size: 0.82rem; color: var(--gray-500);
}
.greeting__sign-name {
  font-size: 1.2rem; font-weight: 700;
  color: var(--gray-900);
}
.greeting__sign-affil {
  font-size: 0.82rem; color: var(--gray-500);
}

@media (max-width: 768px) {
  .greeting {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .greeting__photo img {
    max-width: 180px;
  }
}

/* ============================================================
   Theme banner
   ============================================================ */
.theme-banner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 40px;
  background: linear-gradient(135deg, var(--blue-50), rgba(168,200,70,0.10));
  border-radius: 16px;
  border: 1px solid var(--blue-100);
}
.theme-banner__text {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--blue-700);
  line-height: 1.6;
}

/* ============================================================
   About
   ============================================================ */
.about__content {
  max-width: 780px; margin: 0 auto;
  font-size: 0.95rem; color: var(--gray-700);
}
.about__content p + p { margin-top: 16px; }
.about__content strong { color: var(--blue-700); }

.about__details {
  max-width: 860px;
  margin: 0 auto;
}

.detail-table {
  width: 100%; border-collapse: collapse;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(14,51,40,0.06);
}
.detail-table th,
.detail-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.92rem; text-align: left;
  vertical-align: top;
}
.detail-table th {
  width: 150px; font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  white-space: nowrap;
}
.detail-table td {
  background: var(--white);
}

@media (max-width: 640px) {
  .detail-table th, .detail-table td {
    display: block; width: 100%;
  }
  .detail-table th { border-bottom: none; padding-bottom: 4px; }
  .detail-table td { padding-top: 4px; }
}

/* --- Flyer Download --- */
.flyer-download { text-align: center; }
.flyer-download__btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 36px; border-radius: 12px;
  background: var(--white); border: 2px solid var(--blue-500);
  color: var(--blue-700); text-decoration: none;
  transition: all 0.25s; box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.flyer-download__btn:hover {
  background: var(--blue-50); border-color: var(--blue-700);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.flyer-download__btn strong { font-size: 1rem; display: block; }
.flyer-download__btn small { font-size: 0.78rem; color: var(--gray-500); }

/* ============================================================
   Program Cards
   ============================================================ */
.program__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.program__card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.program__card--white {
  background: var(--white);
  border: 1px solid var(--gray-100);
  box-shadow: 0 2px 12px rgba(14,51,40,0.04);
}
.program__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.program__card-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.12);
  border-radius: 10px; margin-bottom: 18px;
}
.program__card-icon--blue {
  background: var(--blue-50);
  color: var(--blue-600);
}
.program__card-icon svg { width: 22px; height: 22px; }
.program__card-title {
  font-size: 1.15rem; font-weight: 700;
  margin-bottom: 14px;
  font-family: var(--font-display);
  color: var(--gray-900);
}
.program__card-desc {
  font-size: 0.9rem; color: var(--gray-500);
}
.program__card-list {
  display: flex; flex-direction: column; gap: 10px;
}
.program__card-list li {
  font-size: 0.88rem; line-height: 1.6;
  color: var(--gray-700);
}
.program__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 700;
  padding: 2px 8px; border-radius: 4px;
  background: rgba(255,255,255,0.18);
  margin-right: 6px; vertical-align: middle;
  letter-spacing: 0.04em;
}
.program__tag--blue {
  background: var(--blue-50);
  color: var(--blue-700);
}
.program__tag--warm {
  background: rgba(255,111,97,0.12);
  color: var(--accent-warm);
}
.program__tag--accent {
  background: rgba(255,111,97,0.3);
}

@media (max-width: 768px) {
  .program__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Hands-on
   ============================================================ */
/* ============================================================
   Home Split（トピックス / 単位認定 の左右2カラム）
   ============================================================ */
.home-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
/* 左寄せの見出し（2カラム内で使用） */
.section__header--left {
  text-align: left;
  margin-bottom: 24px;
}
.section__header--left .section__title {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}
.section__header--left .section__desc {
  font-size: 0.86rem; margin-top: 6px;
}

/* ============================================================
   Credits (単位認定) — トピックスと同じボックス構造
   ============================================================ */
.credits__box {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--gray-100);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(14,51,40,0.06);
}
.credits__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-100);
}
.credits__row:last-child { border-bottom: none; }
.credits__row--stack {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}
.credits__row-top {
  display: flex; align-items: center; gap: 14px;
}
.credits__badge {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--blue-50); color: var(--blue-700);
  padding: 4px 11px; border-radius: 11px;
  min-width: 46px; text-align: center;
}
.credits__row-main { flex: 1; min-width: 0; }
.credits__row-name {
  display: block;
  font-size: 0.92rem; font-weight: 600;
  color: var(--gray-900); line-height: 1.45;
}
.credits__row-note {
  display: block;
  font-size: 0.72rem; color: var(--gray-500);
  margin-top: 2px;
}
.credits__row-point {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 700;
  color: var(--blue-600);
  white-space: nowrap;
}
.credits__list {
  list-style: none; padding: 0;
  margin: 0 0 0 60px;
}
.credits__list li {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 0.82rem; color: var(--gray-700);
  padding: 4px 0;
  border-bottom: 1px dashed var(--gray-100);
}
.credits__list li:last-child { border-bottom: none; }
.credits__list li strong {
  font-family: var(--font-display);
  font-size: 0.92rem; color: var(--blue-700);
}
.credits__more {
  margin-top: 16px;
  font-size: 0.84rem; color: var(--gray-500);
  line-height: 1.8;
}
.credits__more a {
  color: var(--blue-600); font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px;
}
@media (max-width: 640px) {
  .credits__row { padding: 16px 18px; }
  .credits__list { margin-left: 0; }
}

@media (max-width: 900px) {
  .home-split { grid-template-columns: 1fr; gap: 44px; }
}

/* ============================================================
   Session Descriptions
   ============================================================ */
.sessions__group {
  max-width: 960px;
  margin: 0 auto 40px;
}
.sessions__group:last-child { margin-bottom: 0; }
.sessions__group-title {
  font-size: 1.1rem; font-weight: 700;
  color: var(--gray-900);
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--blue-600);
  display: inline-block;
}
.sessions__group-note {
  font-size: 0.82rem; color: var(--gray-500);
  margin: -10px 0 16px;
}
.sessions__list { display: flex; flex-direction: column; gap: 18px; }
.sessions__item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-left: 4px solid var(--blue-600);
  border-radius: 10px;
  padding: 20px 24px;
  box-shadow: 0 2px 8px rgba(14,51,40,0.04);
  scroll-margin-top: calc(var(--nav-h) + 20px);
  transition: box-shadow 0.3s, transform 0.3s;
}
.sessions__item.is-highlight {
  box-shadow: 0 0 0 3px var(--accent), 0 4px 16px rgba(14,51,40,0.1);
  animation: highlight-flash 1.8s ease-out;
}
@keyframes highlight-flash {
  0% { background: rgba(168,200,70,0.30); }
  100% { background: var(--white); }
}
.sessions__item-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem; font-weight: 700;
  background: var(--blue-50); color: var(--blue-700);
  padding: 3px 10px; border-radius: 4px;
  margin-bottom: 8px; letter-spacing: 0.04em;
}
.sessions__item-tag--ml {
  background: rgba(168,200,70,0.18); color: #5C7A1F;
}
.sessions__item-tag--ho {
  background: rgba(33,167,125,0.15); color: var(--blue-700);
}
.sessions__item-tag--morning {
  background: rgba(255,193,7,0.18); color: #B26F00;
}
.sessions__item-tag--lunch {
  background: rgba(255,111,97,0.15); color: var(--accent-warm);
}
.sessions__item-title {
  font-size: 1rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 8px;
}
.sessions__item-meta {
  display: inline-block;
  font-size: 0.78rem; font-weight: 500;
  color: var(--gray-500);
  margin-left: 12px;
}
.sessions__item-desc {
  font-size: 0.88rem; line-height: 1.85;
  color: var(--gray-700);
}
@media (max-width: 640px) {
  .sessions__item { padding: 16px 18px; }
  .sessions__item-title { font-size: 0.95rem; }
  .sessions__item-meta { display: block; margin-left: 0; margin-top: 4px; }
  .sessions__item-desc { font-size: 0.85rem; }
}

/* タイムテーブルのセルをリンク化 */
.timetable__cell-link {
  display: block;
  margin: -16px;
  padding: 16px;
  color: inherit;
  text-decoration: none;
  height: calc(100% + 32px);
  transition: background 0.2s;
  border-radius: 6px;
}
.timetable__cell-link:hover {
  background: rgba(168,200,70,0.18);
}
.timetable__cell:has(.timetable__cell-link) {
  cursor: pointer;
  position: relative;
}
@media (max-width: 768px) {
  .timetable__cell-link {
    margin: -16px; padding: 16px;
    height: auto;
  }
}

.handson__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.handson__card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative; overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.handson__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(14,51,40,0.1);
}
.handson__card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--accent));
}
.handson__card-num {
  font-family: var(--font-display);
  font-size: 2.8rem; font-weight: 800;
  color: var(--blue-100); line-height: 1;
  margin-bottom: 12px;
}
.handson__card-title {
  font-size: 1.1rem; font-weight: 700;
  color: var(--gray-900); margin-bottom: 14px;
}
.handson__card-meta {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; margin-bottom: 12px;
}
.handson__card-badge {
  font-size: 0.72rem; font-weight: 600;
  padding: 4px 12px; border-radius: 6px;
  background: var(--blue-50); color: var(--blue-700);
}
.handson__card-cap {
  font-size: 0.82rem; font-weight: 600;
  color: var(--accent-warm);
}
.handson__card-note {
  font-size: 0.84rem; color: var(--gray-500);
}

@media (max-width: 768px) {
  .handson__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Call for Abstracts
   ============================================================ */
.call__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px; margin: 0 auto;
}
.call__item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 28px;
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}
.call__item--white {
  background: var(--white);
  border: 1px solid var(--gray-100);
  box-shadow: 0 2px 12px rgba(14,51,40,0.04);
}
.call__item--white:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(14,51,40,0.1);
}
.call__item:hover { background: rgba(255,255,255,0.1); }
.call__item-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}
.call__item-tag {
  font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 700;
  padding: 3px 10px; border-radius: 4px;
  background: var(--blue-500); color: var(--white);
}
.call__item-head h4 {
  font-size: 0.92rem; font-weight: 600;
  color: var(--gray-900);
}
.call__item p {
  font-size: 0.88rem; color: var(--gray-500);
}
.call__action {
  text-align: center; margin-top: 40px;
}

/* 演題募集セッションカード */
.call__sessions {
  max-width: 900px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 20px;
}
.call__session-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 24px 28px;
  box-shadow: 0 2px 12px rgba(14,51,40,0.04);
}
.call__session-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px; flex-wrap: wrap;
}
.call__session-tag {
  font-family: var(--font-display);
  font-size: 0.7rem; font-weight: 700;
  padding: 4px 12px; border-radius: 4px;
  background: var(--blue-600); color: var(--white);
  flex-shrink: 0;
}
.call__session-tag--co {
  background: var(--accent); color: var(--gray-900);
}
.call__session-title {
  font-size: 1rem; font-weight: 700; color: var(--gray-900);
  line-height: 1.5;
}
.call__session-time {
  display: inline-block;
  font-size: 0.82rem; font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  padding: 6px 14px; border-radius: 6px;
  margin-bottom: 14px;
}
.call__session-themes-label {
  font-size: 0.82rem; font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.call__session-themes ul {
  list-style: none; padding: 0;
}
.call__session-themes ul li {
  font-size: 0.88rem; line-height: 1.85;
  color: var(--gray-700);
  padding-left: 18px; position: relative;
}
.call__session-themes ul li::before {
  content: ''; position: absolute; left: 4px; top: 12px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--blue-500);
}
.cert-note {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--gray-500);
  font-weight: 400;
}
/* 演題投稿フロー */
.call__submit-box {
  max-width: 760px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 18px;
}
.call__submit-step {
  display: flex; gap: 18px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 14px; padding: 22px 24px;
  box-shadow: 0 2px 12px rgba(14,51,40,0.04);
}
.call__submit-step-num {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--blue-600); color: var(--white);
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.call__submit-step-body h4 {
  font-size: 1rem; font-weight: 700;
  color: var(--gray-900); margin-bottom: 8px;
}
.call__submit-step-body p {
  font-size: 0.88rem; line-height: 1.85;
  color: var(--gray-700); margin-bottom: 12px;
}
.call__submit-step-body strong {
  color: var(--blue-700);
}
.call__submit-step-body .btn {
  font-size: 0.85rem;
  padding: 8px 18px;
}
.call__submit-step-body p.call__submit-note {
  font-size: 0.82rem; line-height: 1.8;
  color: var(--gray-500);
  background: var(--blue-50);
  padding: 10px 14px; border-radius: 8px;
  margin-bottom: 12px;
}
/* 応募要項テーブル内の投稿項目リスト */
.call__items {
  margin: 8px 0 0 1.3em;
  padding: 0;
}
.call__items li {
  margin-bottom: 4px;
  line-height: 1.7;
}
.call__note {
  display: inline-block; margin-top: 6px;
  font-size: 0.82rem; color: var(--gray-500);
}
@media (max-width: 640px) {
  .call__submit-step { padding: 18px; gap: 14px; }
  .call__submit-step-num { width: 36px; height: 36px; font-size: 1rem; }
}

.call__note {
  max-width: 720px; margin: 36px auto 0;
  text-align: center;
  font-size: 0.92rem; line-height: 1.85;
  color: var(--gray-700);
  padding: 18px 24px;
  background: var(--blue-50);
  border-radius: 10px;
}
@media (max-width: 640px) {
  .call__session-card { padding: 20px 18px; }
  .call__session-title { font-size: 0.95rem; }
}
.call__notice {
  max-width: 700px;
  margin: 48px auto 0;
  text-align: center;
  padding: 28px;
  background: var(--blue-50);
  border-radius: 12px;
  font-size: 0.9rem;
  color: var(--gray-700);
}
.call__notice a {
  color: var(--blue-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 768px) {
  .call__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Faculty
   ============================================================ */
.faculty__list {
  max-width: 800px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 36px;
}
.faculty__role {
  font-family: var(--font-display);
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--blue-500);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blue-100);
  margin-bottom: 16px;
}
.faculty__members {
  display: flex; flex-wrap: wrap; gap: 12px 32px;
}
.faculty__member {
  display: flex; align-items: baseline; gap: 12px;
}
.faculty__name {
  font-size: 1.05rem; font-weight: 600;
  color: var(--gray-900);
}
.faculty__affil {
  font-size: 0.82rem; color: var(--gray-500);
}
.faculty__members--grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 32px;
}
/* セミナー名つきの登壇者（SPECIAL GUEST） */
.faculty__member--seminar { flex-direction: column; align-items: flex-start; gap: 4px; }
.faculty__seminar {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  color: var(--blue-700); background: var(--blue-50);
  padding: 3px 10px; border-radius: 12px;
}
@media (max-width: 640px) {
  .faculty__members--grid { grid-template-columns: 1fr; }
}

/* ===== トップページ SPECIAL GUEST ===== */
.guest {
  padding: 56px 0;
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--blue-100);
}
.guest__inner { margin: 0 auto; }
.guest__label {
  display: block; text-align: center;
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue-600); margin-bottom: 28px;
}
/* デスクトップは2名を横並び。各カード内はセミナー名・氏名・所属を1行に並べる */
.guest__list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.guest__item {
  background: var(--white);
  border: 1px solid var(--blue-100);
  border-radius: 14px;
  padding: 18px 22px;
  display: flex; flex-direction: row; align-items: center; gap: 16px;
  box-shadow: 0 2px 10px rgba(14, 51, 40, 0.04);
}
.guest__seminar {
  flex: none;
  font-size: 1rem; font-weight: 700; letter-spacing: 0.02em;
  color: var(--blue-700); background: var(--blue-50);
  padding: 6px 14px; border-radius: 14px;
  white-space: nowrap;
}
.guest__name {
  flex: none;
  font-size: 1.75rem; font-weight: 700; color: var(--gray-900);
  line-height: 1.3; white-space: nowrap;
}
.guest__affil { font-size: 1.05rem; color: var(--gray-500); line-height: 1.4; white-space: nowrap; }

/* 2カラムでは1行に収まらない幅になったら、1名1行の縦積みに切り替える */
@media (max-width: 1060px) {
  /* 縦積み時はカードが横に間延びしないよう内容幅に合わせる */
  .guest__inner { max-width: 640px; }
  .guest__list { grid-template-columns: 1fr; gap: 14px; }
  .guest__item { padding: 20px 26px; gap: 20px; }
  .guest__name { font-size: 1.7rem; }
  .guest__affil { font-size: 1.05rem; }
}
@media (max-width: 700px) {
  .guest { padding: 40px 0; }
  .guest__label { font-size: 1.2rem; margin-bottom: 20px; }
  /* 横幅が足りないため、セミナー名を上段・氏名＋所属を下段の2段組にする */
  .guest__item {
    display: grid;
    grid-template-columns: max-content 1fr;
    grid-template-areas: "badge badge" "name  affil";
    align-items: baseline;
    gap: 8px 12px; padding: 16px 20px;
  }
  .guest__seminar { grid-area: badge; justify-self: start; }
  .guest__name { grid-area: name; font-size: 1.35rem; }
  .guest__affil { grid-area: affil; font-size: 0.92rem; }
}

/* ============================================================
   Registration
   ============================================================ */
.reg__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 720px; margin: 0 auto;
}
.reg__card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  color: var(--gray-900);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  border: 1px solid var(--gray-100);
}
.reg__card-badge {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700;
  padding: 6px 20px; border-radius: 40px;
  background: var(--blue-50); color: var(--blue-700);
  margin-bottom: 20px;
}
.reg__card-price {
  font-size: 1rem; color: var(--gray-500); margin-bottom: 24px;
}
.reg__card-price span {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 800;
  color: var(--blue-700);
  letter-spacing: -0.02em;
}
.reg__card-features {
  text-align: left;
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 28px;
}
.reg__card-features li {
  font-size: 0.88rem; color: var(--gray-700);
  padding-left: 22px; position: relative;
}
.reg__card-features li::before {
  content: '';
  position: absolute; left: 0; top: 8px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.reg__card-note {
  font-size: 0.78rem; color: var(--gray-500);
  margin-top: 8px;
}

.reg__grid--compact { max-width: 560px; gap: 20px; }
.reg__card--compact {
  padding: 24px 22px;
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.reg__card--compact .reg__card-badge {
  padding: 4px 14px; margin-bottom: 12px; font-size: 0.75rem;
}
.reg__card--compact .reg__card-price { margin-bottom: 14px; font-size: 0.88rem; }
.reg__card--compact .reg__card-price span { font-size: 2rem; }
.reg__card--compact .reg__card-features { margin-bottom: 0; gap: 6px; }
.reg__card--compact .reg__card-features li { font-size: 0.82rem; }

.reg__notes {
  max-width: 560px; margin: 28px auto 0; padding: 20px 24px;
  background: #F5F7FA; border-radius: 10px; border-left: 4px solid var(--blue-600);
}
.reg__notes-title {
  font-size: 0.85rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px;
}
.reg__notes-list {
  list-style: none; padding: 0; margin: 0;
}
.reg__notes-list li {
  font-size: 0.8rem; color: var(--gray-700); line-height: 1.7; padding-left: 16px; position: relative;
}
.reg__notes-list li::before {
  content: '※'; position: absolute; left: 0; color: var(--blue-600); font-size: 0.75rem;
}

@media (max-width: 640px) {
  .reg__grid { grid-template-columns: 1fr; }
  .reg__notes { margin-top: 20px; padding: 16px 18px; }
}

/* ============================================================
   Registration Form
   ============================================================ */
.reg-alert { padding: 16px 20px; border-radius: 10px; margin-bottom: 28px; font-size: 0.88rem; }
.reg-alert--error { background: #FFEBEE; color: #C62828; }
.reg-alert--error ul { margin: 8px 0 0 20px; }
.reg-alert--error li { margin-bottom: 4px; }

.reg-form { max-width: 720px; margin: 0 auto; }
.reg-form__section {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 32px 28px;
  margin-bottom: 20px;
}
.reg-form__section-title {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.05rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 24px;
}
.reg-form__section-note {
  font-size: 0.78rem; font-weight: 400; color: var(--gray-500);
}
.reg-form__section-guide {
  font-size: 0.88rem; color: var(--gray-600); margin: -8px 0 16px 0;
}
.reg-form__step-num {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-600); color: var(--white);
  border-radius: 50%; font-family: 'Outfit', sans-serif;
  font-size: 0.82rem; font-weight: 700; flex-shrink: 0;
}

/* フォームグリッド */
.reg-form__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.reg-form__group { display: flex; flex-direction: column; gap: 6px; }
.reg-form__group label {
  font-size: 0.82rem; font-weight: 600; color: var(--gray-700);
}
.reg-form__group .req {
  font-size: 0.7rem; color: #C62828; background: #FFEBEE;
  padding: 1px 6px; border-radius: 4px; margin-left: 4px;
}
.reg-form__group input,
.reg-form__group select {
  padding: 12px 14px;
  border: 1px solid var(--gray-100);
  border-radius: 8px;
  font-family: inherit; font-size: 0.92rem;
  color: var(--gray-900); background: var(--white);
  transition: border-color 0.2s;
}
.reg-form__group input:focus,
.reg-form__group select:focus {
  outline: none; border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(0,140,100,0.12);
}
.reg-form__textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--gray-100); border-radius: 8px;
  font-family: inherit; font-size: 0.92rem;
  color: var(--gray-900); background: var(--white);
  transition: border-color 0.2s; resize: vertical;
}
.reg-form__textarea:focus {
  outline: none; border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(0,140,100,0.12);
}

/* ラジオ（参加形式） */
.reg-form__radio-group { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.reg-form__radio { cursor: pointer; }
.reg-form__radio input { position: absolute; opacity: 0; width: 0; height: 0; }
.reg-form__radio-card {
  display: flex; flex-direction: column; align-items: center;
  padding: 24px 16px; border: 2px solid var(--gray-100);
  border-radius: 12px; transition: all 0.2s; text-align: center;
}
.reg-form__radio input:checked + .reg-form__radio-card {
  border-color: var(--blue-600);
  background: var(--blue-50);
}
.reg-form__radio-label { font-size: 1rem; font-weight: 700; color: var(--gray-900); }
.reg-form__radio-price { font-family: 'Outfit', sans-serif; font-size: 1.4rem; font-weight: 700; color: var(--blue-600); margin: 6px 0; }
.reg-form__radio-desc { font-size: 0.78rem; color: var(--gray-500); }

/* 演題応募チェック */
.reg-form__checkbox-single {
  margin-top: 18px; padding: 14px 18px;
  background: #FFF8E1; border-radius: 8px;
}
.reg-form__checkbox-single label {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.88rem; color: var(--gray-700); cursor: pointer;
}
.reg-form__checkbox-single input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--blue-600); flex-shrink: 0;
}

/* セミナー参加 */
.reg-form__sub-section {}
/* セミナー / ハンズオンをそれぞれ枠で囲んで分離 */
.reg-form__box {
  border: 1px solid var(--gray-100); border-radius: 12px;
  padding: 20px; background: var(--white);
}
.reg-form__box + .reg-form__box { margin-top: 18px; }
.reg-form__sub-title {
  font-size: 0.9rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 4px;
}
.reg-form__sub-note {
  font-size: 0.78rem; color: var(--gray-500); line-height: 1.6;
  margin-bottom: 14px;
}
.reg-form__seminar-list { display: flex; flex-direction: column; gap: 10px; }
.reg-form__seminar { cursor: pointer; }
.reg-form__seminar input { position: absolute; opacity: 0; width: 0; height: 0; }
.reg-form__seminar-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border: 2px solid var(--gray-100); border-radius: 10px;
  transition: all 0.2s;
}
.reg-form__seminar input:checked + .reg-form__seminar-card {
  border-color: var(--blue-600); background: var(--blue-50);
}
.reg-form__seminar-name { font-size: 0.92rem; font-weight: 600; color: var(--gray-900); }
.reg-form__seminar-time { font-size: 0.78rem; color: var(--gray-500); }

/* フォーム全幅グループ */
.reg-form__group--full { grid-column: 1 / -1; }

/* ハンズオン選択 */
.reg-form__handson-list { display: flex; flex-direction: column; gap: 10px; }
.reg-form__handson { cursor: pointer; }
.reg-form__handson.is-disabled { opacity: 0.5; cursor: not-allowed; }
.reg-form__handson.is-conflict { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.reg-form__handson.is-conflict .reg-form__handson-card { border-color: var(--gray-200); background: var(--gray-50); }
.reg-form__handson input { position: absolute; opacity: 0; width: 0; height: 0; }
.reg-form__handson-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border: 2px solid var(--gray-100); border-radius: 10px;
  transition: all 0.2s;
}
.reg-form__handson input:checked + .reg-form__handson-card {
  border-color: var(--blue-600); background: var(--blue-50);
}
.reg-form__handson-name { font-size: 0.95rem; font-weight: 600; color: var(--gray-900); }
.reg-form__handson-time { font-size: 0.82rem; font-weight: 400; color: var(--gray-500); margin-left: 4px; }
.reg-form__handson-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; }
.reg-form__handson-remaining { color: var(--blue-600); font-weight: 600; }
.reg-form__handson-cap { color: var(--gray-500); }
.reg-form__handson-full { color: #C62828; font-weight: 600; }
.reg-form__handson-price { color: var(--gray-500); }

/* チェック時「参加する」バッジ */
.reg-form__check-badge {
  display: none; font-size: 0.78rem; font-weight: 700; color: #fff;
  background: var(--blue-600); padding: 3px 12px; border-radius: 20px;
  white-space: nowrap; letter-spacing: 0.5px;
}
.reg-form__seminar input:checked + .reg-form__seminar-card .reg-form__check-badge,
.reg-form__handson input:checked + .reg-form__handson-card .reg-form__check-badge {
  display: inline-block;
}

/* 合計金額 */
.reg-form__total { max-width: 720px; margin: 0 auto 20px; }
.reg-form__total-inner {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: 14px; padding: 24px 28px;
}
.reg-form__total-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; font-size: 0.92rem; color: var(--gray-700);
}
.reg-form__total-row--sum {
  border-top: 2px solid var(--gray-100);
  margin-top: 8px; padding-top: 14px;
  font-size: 1.1rem; font-weight: 700; color: var(--gray-900);
}

/* 同意・送信 */
.reg-form__consent {
  margin-bottom: 20px;
}
.reg-form__consent label {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--gray-700); cursor: pointer;
}
.reg-form__consent input[type="checkbox"] {
  width: 20px; height: 20px; accent-color: var(--blue-600); flex-shrink: 0;
}
.reg-form__submit { width: 100%; font-size: 1rem; padding: 18px; }
.reg-form__submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* 完了画面 */
.reg-complete { text-align: center; max-width: 560px; margin: 0 auto; }
.reg-complete__icon {
  width: 64px; height: 64px; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  background: #E8F5E9; color: #2E7D32; border-radius: 50%;
}
.reg-complete__icon svg { width: 32px; height: 32px; }
.reg-complete__title { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.reg-complete__desc { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 28px; line-height: 1.7; }
.reg-complete__detail {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: 12px; padding: 24px 28px; text-align: left;
  margin-bottom: 20px;
}
.reg-complete__detail dl {
  display: grid; grid-template-columns: auto 1fr; gap: 10px 20px;
}
.reg-complete__detail dt { font-size: 0.82rem; font-weight: 600; color: var(--gray-500); }
.reg-complete__detail dd { font-size: 0.92rem; color: var(--gray-900); }
.reg-complete__note {
  background: var(--blue-50); border-radius: 10px;
  padding: 16px 20px; font-size: 0.88rem; color: var(--blue-700);
}

@media (max-width: 640px) {
  .reg-form__grid { grid-template-columns: 1fr; }
  .reg-form__radio-group { grid-template-columns: 1fr; }
  .reg-form__section { padding: 24px 20px; }
  .reg-form__handson-card { flex-direction: column; align-items: flex-start; gap: 6px; }
  .reg-form__handson-meta { flex-wrap: wrap; }
}


/* ============================================================
   Notes list
   ============================================================ */
.notes__list {
  list-style: none;
  max-width: 780px;
  margin: 0 auto;
}
.notes__list li {
  font-size: 0.92rem;
  color: var(--gray-700);
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--gray-100);
  position: relative;
}
.notes__list li::before {
  content: '';
  position: absolute; left: 0; top: 18px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue-400);
}

/* ============================================================
   Venue
   ============================================================ */
.venue__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.venue__info h3 {
  font-size: 1.2rem; font-weight: 700;
  color: var(--gray-900); margin-bottom: 8px;
}
.venue__info > p {
  font-size: 0.88rem; color: var(--gray-500);
  margin-bottom: 24px;
}
.venue__detail {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 18px;
}
.venue__detail dt {
  font-size: 0.82rem; font-weight: 600;
  color: var(--blue-700);
}
.venue__detail dd {
  font-size: 0.9rem; color: var(--gray-700);
}
.venue__detail dd a {
  color: var(--blue-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.venue__photo {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(14,51,40,0.10);
}
.venue__photo img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.venue__map-wrap {
  margin-top: 32px;
}

@media (max-width: 768px) {
  .venue__content { grid-template-columns: 1fr; }
}

/* ============================================================
   Access (Venue page)
   ============================================================ */
.access__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}
.access__item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  padding: 32px;
}
.access__icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-50); color: var(--blue-600);
  border-radius: 12px; margin-bottom: 16px;
}
.access__icon svg { width: 24px; height: 24px; }
.access__item h4 {
  font-size: 1rem; font-weight: 700;
  color: var(--gray-900); margin-bottom: 12px;
}
.access__item ul {
  list-style: none;
}
.access__item li {
  font-size: 0.88rem; color: var(--gray-700);
  padding: 6px 0;
  line-height: 1.6;
}
.access__item li strong {
  color: var(--blue-700);
}

@media (max-width: 768px) {
  .access__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Contact cards
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 760px;
  margin: 0 auto;
}
.contact__card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  padding: 32px;
}
.contact__card h4 {
  font-size: 1rem; font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blue-100);
}
.contact__card p {
  font-size: 0.88rem; color: var(--gray-700);
  line-height: 1.8;
}
.contact__card a {
  color: var(--blue-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 640px) {
  .contact__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Sponsor page
   ============================================================ */
.sponsor__card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(14,51,40,0.04);
}
.sponsor__card-header {
  background: var(--blue-50);
  padding: 20px 28px;
  border-bottom: 1px solid var(--blue-100);
}
.sponsor__card-header h3 {
  font-size: 1.05rem; font-weight: 700;
  color: var(--blue-700);
}
.sponsor__card .detail-table th {
  background: transparent;
}
.sponsor__card .detail-table td {
  background: var(--white);
}

.sponsor__note {
  max-width: 760px;
  margin: 40px auto 0;
  text-align: center;
  padding: 24px;
  background: var(--blue-50);
  border-radius: 12px;
  font-size: 0.9rem;
  color: var(--gray-700);
}

/* 趣意書請求フォーム */
.sponsor-form__field { margin-bottom: 16px; }
.sponsor-form__label {
  display: block; font-size: 0.88rem; font-weight: 600;
  color: var(--gray-700); margin-bottom: 6px;
}
.sponsor-form__label .required { color: var(--red-500); }
.sponsor-form__input {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--gray-300); border-radius: 8px;
  font-size: 0.92rem; transition: border-color 0.2s;
  background: var(--white);
}
.sponsor-form__input:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}
.sponsor-form__textarea { resize: vertical; min-height: 80px; font-family: inherit; }

/* 趣意書請求 完了表示 */
.sponsor-thanks {
  text-align: center;
  background: linear-gradient(180deg, var(--blue-50) 0%, #FFFFFF 100%);
  border: 1px solid var(--blue-200);
  border-radius: 16px;
  padding: 48px 32px;
  box-shadow: 0 4px 20px rgba(0, 140, 100, 0.08);
  animation: sponsorThanksIn 0.5s ease both;
}
@keyframes sponsorThanksIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sponsor-thanks__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--blue-600);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 140, 100, 0.25);
  animation: sponsorPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s both;
}
.sponsor-thanks__icon svg { width: 26px; height: 26px; }
@keyframes sponsorPop {
  from { opacity: 0; transform: scale(0.5); }
  to   { opacity: 1; transform: scale(1); }
}
.sponsor-thanks__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 14px;
}
.sponsor-thanks__text {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--gray-700);
  margin-bottom: 18px;
}
.sponsor-thanks__note {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--gray-500);
  margin-bottom: 24px;
}
.sponsor-thanks__note a { color: var(--blue-600); }

/* ============================================================
   CTA section (Home)
   ============================================================ */
.cta__content {
  text-align: center;
  padding: 20px 0;
}
.cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.cta__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.cta__actions {
  display: flex;
  justify-content: center;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
}
.footer__top {
  padding: 64px 0 48px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}
.footer__brand-main {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 800;
  color: var(--white);
}
.footer__brand-sub {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem; letter-spacing: 0.06em;
  opacity: 0.5; margin-top: 2px;
}
.footer__desc {
  font-size: 0.82rem; line-height: 1.8;
  margin-top: 18px; opacity: 0.7;
}
.footer__heading {
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 16px;
}
.footer__links li + li { margin-top: 8px; }
.footer__links a {
  font-size: 0.84rem; opacity: 0.65;
  transition: opacity 0.2s;
}
.footer__links a:hover { opacity: 1; }

.footer__contact {
  font-size: 0.84rem; line-height: 1.8;
}
.footer__contact-label {
  font-weight: 600; color: var(--white);
  margin-bottom: 4px;
}
.footer__contact p + p { margin-top: 6px; }
.footer__contact a {
  color: var(--blue-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 0.72rem; opacity: 0.4;
}
.footer__legal {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 8px 24px; margin-bottom: 12px;
}
.footer__legal a {
  opacity: 0.7; transition: opacity 0.2s; font-size: 0.72rem;
}
.footer__legal a:hover { opacity: 1; }

@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
}

/* ============================================================
   Legal Pages & Sitemap
   ============================================================ */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-lead { font-size: 0.92rem; line-height: 1.9; margin-bottom: 32px; color: var(--gray-700); }
.legal-section { margin-bottom: 28px; }
.legal-section h3 {
  font-size: 1rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 10px; padding-left: 14px;
  border-left: 3px solid var(--blue-600);
}
.legal-section p { font-size: 0.9rem; line-height: 1.9; color: var(--gray-700); }
.legal-section ul {
  list-style: none; padding: 0; margin-top: 8px;
}
.legal-section ul li {
  font-size: 0.9rem; line-height: 1.9; color: var(--gray-700);
  padding-left: 20px; position: relative;
}
.legal-section ul li::before {
  content: ''; position: absolute; left: 4px; top: 11px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-400);
}
.legal-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.9rem;
}
.legal-table th,
.legal-table td {
  padding: 16px 20px; border-bottom: 1px solid var(--gray-100);
  text-align: left; vertical-align: top; line-height: 1.8;
}
.legal-table th {
  width: 200px; font-weight: 600; color: var(--gray-700);
  background: var(--blue-50);
}
.legal-table td { color: var(--gray-900); }
.legal-table a { color: var(--blue-600); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 640px) {
  .legal-table th { width: 120px; padding: 12px 14px; font-size: 0.82rem; }
  .legal-table td { padding: 12px 14px; font-size: 0.85rem; }
}

.sitemap { max-width: 800px; margin: 0 auto; }
.sitemap__group { margin-bottom: 36px; }
.sitemap__heading {
  font-size: 1rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 2px solid var(--blue-600);
}
.sitemap__list { list-style: none; padding: 0; }
.sitemap__list li { margin-bottom: 6px; }
.sitemap__list a {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.92rem; color: var(--blue-600);
  padding: 6px 0; transition: color 0.2s;
}
.sitemap__list a::before {
  content: ''; display: block;
  width: 5px; height: 5px;
  border-top: 1.5px solid var(--blue-400);
  border-right: 1.5px solid var(--blue-400);
  transform: rotate(45deg);
}
.sitemap__list a:hover { color: var(--blue-800); }

/* ============================================================
   Back to Top
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: none; cursor: pointer;
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(14,51,40,0.25);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease;
  z-index: 900;
}
.back-to-top svg {
  width: 22px; height: 22px;
}
.back-to-top.is-visible {
  opacity: 1; visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14,51,40,0.35);
}
@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px; right: 20px;
    width: 44px; height: 44px;
  }
  .back-to-top svg { width: 20px; height: 20px; }
}

/* ============================================================
   Officers table (Organization page)
   ============================================================ */
.officers {
  max-width: 860px;
  margin: 0 auto;
}
.officers-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(14,51,40,0.06);
}
.officers-table thead th {
  background: var(--blue-700);
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 14px 20px;
  text-align: center;
  letter-spacing: 0.08em;
}
.officers-table tbody td {
  padding: 14px 20px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
.officers-table__role {
  font-weight: 700;
  color: var(--blue-700);
  background: var(--blue-50);
  text-align: center;
  white-space: nowrap;
}
.officers-table__name {
  font-weight: 600;
  color: var(--gray-900);
  white-space: nowrap;
}
.officers-table tbody tr:last-child td {
  border-bottom: none;
}

@media (max-width: 640px) {
  .officers-table thead { display: none; }
  .officers-table tbody td {
    display: block;
    padding: 8px 16px;
    text-align: left;
  }
  .officers-table__role {
    padding-top: 16px !important;
    border-top: 2px solid var(--blue-100);
  }
  .officers-table tbody tr:first-child .officers-table__role {
    border-top: none;
  }
}

/* ============================================================
   Bylaws (Organization page)
   ============================================================ */
.bylaws {
  max-width: 820px;
  margin: 0 auto;
}

/* Single card wrapper for all bylaws */
.bylaws--single {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  padding: 40px 44px;
  box-shadow: 0 2px 12px rgba(14,51,40,0.06);
}
.bylaws__item {
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-100);
}
.bylaws__item:first-child {
  padding-top: 0;
}
.bylaws__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.bylaws__item-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 8px;
}
.bylaws__item-sub {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-500);
  margin-left: 8px;
}
.bylaws__item p {
  font-size: 0.92rem;
  color: var(--gray-700);
  line-height: 1.8;
}
.bylaws__item p + p {
  margin-top: 8px;
}
.bylaws__item ol {
  list-style: none;
  counter-reset: bylaws-counter;
  margin-top: 8px;
}
.bylaws__item ol li {
  font-size: 0.92rem;
  color: var(--gray-700);
  line-height: 1.8;
  padding-left: 28px;
  position: relative;
  counter-increment: bylaws-counter;
}
.bylaws__item ol li::before {
  content: counter(bylaws-counter) ".";
  position: absolute;
  left: 0;
  font-weight: 600;
  color: var(--blue-600);
}
.bylaws__item ol li + li {
  margin-top: 4px;
}

@media (max-width: 640px) {
  .bylaws--single { padding: 24px 20px; }
}

/* ============================================================
   Profile (About page)
   ============================================================ */
/* Accordion */
.accordion {
  max-width: 960px;
  margin: 48px auto 0;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(14,51,40,0.04);
}
.accordion__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 32px;
  background: var(--blue-50);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}
.accordion__toggle:hover {
  background: var(--blue-100);
}
.accordion__toggle-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-700);
}
.accordion__toggle-icon {
  width: 24px;
  height: 24px;
  color: var(--blue-600);
  transition: transform 0.3s ease;
}
.accordion__toggle-icon svg {
  width: 100%;
  height: 100%;
}
.accordion__toggle[aria-expanded="true"] .accordion__toggle-icon {
  transform: rotate(180deg);
}
.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.accordion__content.is-open {
  max-height: 2000px;
}

.profile {
  padding: 28px 32px;
}
.profile__section {
  margin-bottom: 28px;
}
.profile__section:last-child {
  margin-bottom: 0;
}
.profile__label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--blue-500);
}
/* プロフィール内の読み物（エコーガイド下VAIVTの歩み） */
.profile__story {
  margin-top: 10px;
  padding: 16px 20px;
  background: #FAFBFC;
  border-radius: 10px;
}
.profile__story p {
  font-size: 0.88rem;
  line-height: 1.95;
  color: var(--gray-700);
  margin-bottom: 12px;
}
.profile__story p:last-child {
  margin-bottom: 0;
}
.profile__story strong {
  color: var(--blue-700);
  font-weight: 700;
}
.profile__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
.profile__table td {
  padding: 6px 12px;
  font-size: 0.88rem;
  color: var(--gray-700);
  vertical-align: top;
}
.profile__year {
  white-space: nowrap;
  font-weight: 500;
  color: var(--blue-700);
  width: 100px;
}
.profile__list {
  list-style: none;
  margin-top: 8px;
}
.profile__list li {
  font-size: 0.88rem;
  color: var(--gray-700);
  padding: 4px 0 4px 20px;
  position: relative;
}
.profile__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-400);
}
.profile__publications {
  list-style: none;
  margin-top: 8px;
}
.profile__publications li {
  font-size: 0.85rem;
  color: var(--gray-700);
  padding: 8px 0 8px 20px;
  position: relative;
  line-height: 1.7;
  border-bottom: 1px solid var(--gray-100);
}
.profile__publications li:last-child {
  border-bottom: none;
}
.profile__publications li::before {
  content: '';
  position: absolute;
  left: 0; top: 14px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-400);
}
.profile__publications em {
  font-style: italic;
  color: var(--blue-600);
}

@media (max-width: 640px) {
  .profile { padding: 24px 20px; }
  .profile__year { width: 80px; }
}

/* ============================================================
   Timetable (Program page)
   ============================================================ */
.timetable {
  max-width: 960px;
  margin: 0 auto;
}
.timetable__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.timetable__table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(14,51,40,0.06);
}
.timetable__th-time {
  width: 84px;
  background: var(--gray-900);
  color: var(--white);
}
.timetable__th-hall {
  background: var(--gray-900);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 16px;
  text-align: center;
}
.timetable__th-sub {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  opacity: 0.6;
  margin-top: 2px;
}
.timetable__time {
  background: var(--gray-100);
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--gray-700);
  text-align: center;
  padding: 12px 8px;
  vertical-align: middle;
  border-bottom: 1px solid var(--gray-100);
  white-space: nowrap;
}
/* 終了時刻は開始時刻の下に小さく表示（縦2段） */
.timetable__time-end {
  display: block;
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--gray-500);
}
.timetable__time-end::before {
  content: '｜';
  display: block;
  font-size: 0.6rem;
  line-height: 1;
  color: var(--gray-300);
}
.timetable__cell {
  padding: 16px;
  border: 1px solid var(--gray-100);
  vertical-align: top;
  font-size: 0.88rem;
}
.timetable__cell strong {
  display: block;
  font-size: 0.92rem;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.timetable__detail {
  display: block;
  font-size: 0.82rem;
  color: var(--gray-700);
  line-height: 1.5;
}
.timetable__meta {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-warm);
  margin-top: 4px;
}
.timetable__sponsor {
  display: block;
  font-size: 0.72rem;
  color: var(--gray-500);
  margin-top: 4px;
}
/* 各セッションの開始〜終了時刻（セルの先頭に表示） */
.timetable__span {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--blue-700);
  background: var(--blue-50);
  padding: 3px 10px;
  border-radius: 11px;
  margin-bottom: 8px;
  white-space: nowrap;
}
/* 受付・開会・閉会など、リンクを持たない案内セル */
.timetable__cell--info {
  background: #F7F9FA;
}
.timetable__plain {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  padding: 2px 0;
}
.timetable__note {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-500);
  margin-top: 4px;
  line-height: 1.6;
}
.timetable__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.timetable__tag--sym {
  background: var(--blue-50);
  color: var(--blue-700);
}
.timetable__tag--ml {
  background: rgba(168,200,70,0.18);
  color: #5C7A1F;
}
.timetable__tag--morning {
  background: rgba(255,193,7,0.15);
  color: #F57F17;
}
.timetable__tag--lunch {
  background: rgba(255,111,97,0.12);
  color: var(--accent-warm);
}
.timetable__cell--symposium {
  background: rgba(0,140,100,0.05);
  border-left: 3px solid var(--blue-600);
}
.timetable__cell--seminar {
  background: rgba(255,193,7,0.06);
}
.timetable__cell--lecture {
  background: rgba(168,200,70,0.08);
  border-left: 3px solid var(--accent);
}
.timetable__cell--handson {
  background: rgba(33,167,125,0.07);
}
.timetable__cell--comedical {
  background: rgba(156,39,176,0.04);
  border-left: 3px solid #9C27B0;
}
.timetable__cell--discussion {
  background: rgba(0,140,100,0.07);
}
.timetable__cell--beginner {
  background: rgba(76,175,80,0.07);
  border-left: 3px solid #4CAF50;
}

/* 会場ラベル（モバイル用） */
.timetable__hall { display: none; }

/* タイムテーブル モバイル：カード表示 */
@media (max-width: 768px) {
  .timetable__scroll { overflow-x: visible; }
  .timetable__table {
    display: block; min-width: 0; border-radius: 0;
    box-shadow: none; background: transparent;
  }
  .timetable__table thead { display: none; }
  .timetable__table tbody { display: flex; flex-direction: column; gap: 12px; }
  .timetable__table tr {
    display: flex; flex-direction: column; gap: 8px;
  }
  .timetable__time {
    display: block; width: 100%;
    background: var(--gray-900); color: var(--white);
    font-size: 0.85rem; font-weight: 700;
    padding: 10px 16px; border-radius: 8px;
    text-align: left;
  }
  .timetable__time:empty { display: none; }
  /* スマホでは「9:30 〜 9:40」と横一列で表示する */
  .timetable__time-end { display: inline; font-size: 0.85rem; color: rgba(255,255,255,0.75); }
  .timetable__time-end::before { content: '　〜　'; display: inline; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
  .timetable__cell {
    display: block; width: 100%;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 10px; padding: 16px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    box-sizing: border-box;
  }
  .timetable__cell:empty { display: none; }
  .timetable__cell--symposium,
  .timetable__cell--lecture,
  .timetable__cell--comedical,
  .timetable__cell--beginner {
    border-left-width: 4px;
  }
  .timetable__hall {
    display: inline-block;
    font-size: 0.68rem; font-weight: 700;
    background: var(--gray-100); color: var(--gray-700);
    padding: 2px 8px; border-radius: 4px;
    margin-bottom: 6px;
  }
}