@charset "UTF-8";

:root {
  --bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2389ca;
  --accent-2: #0a6299;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 8px 22px rgba(17, 24, 39, 0.08);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Outfit", "Noto Sans JP", sans-serif, "メイリオ", "Meiryo";
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

article {
    overflow: unset;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 0 80px;
  box-sizing: border-box;
}

div.hero {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
@media screen and (max-width: 640px) {
  div.hero {
    padding: 16px 0;
  }
}


.breadcrumbs {
  font-size: 12px;
  color: var(--muted);
}

h2 {
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.6;
  margin: 10px 0 0;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card > .inner {
  padding: 18px 18px;
}

.section {
  margin: 22px 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.section h3 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.eyecatch {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
}

.eyecatch img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #eef2ff;
}

.lead {
  color: var(--muted);
  margin: 10px 0 0;
}

.list-check {
  padding-left: 1.2em;
  margin: 0;
  list-style: disc;
}
.list-check li {
  margin: 6px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
}
th,
td {
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 14px;
}
th {
  width: 120px;
  background: #f3f4f6;
  text-align: left;
  font-weight: 600;
}
tr:last-child th,
tr:last-child td {
  border-bottom: none;
}

.timetable th {
  width: 120px;
}

.speaker {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 520px) {
  .speaker {
    grid-template-columns: 1fr;
  }
}

.speaker .photo {
  width: 140px;
  height: 140px;
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: #f3f4f6;
}
.speaker .photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.speaker .name {
  font-weight: 700;
  margin: 0;
}
.speaker .meta {
  color: var(--muted);
  margin: 4px 0 10px;
  font-size: 13px;
}

.form-box {
  border: 1px dashed #c7d2fe;
  background: #eef2ff;
  border-radius: 14px;
  padding: 14px;
  color: #1f2a5a;
  font-size: 14px;
  margin: 16px 0 0 0;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 900px) {
  .recommend-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .recommend-grid {
    grid-template-columns: 1fr;
  }
}

.recommend-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.08s ease,
    box-shadow 0.16s ease;
}
.recommend-card:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.recommend-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #f3f4f6;
}

.recommend-body {
  padding: 12px;
}
.recommend-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}
.recommend-date {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

/* Sidebar */
aside{
  position: sticky;
  top: 140px;
}

aside .sticky {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
@media (max-width: 980px) {
  aside, aside .sticky {
    position: static;
  }
}

.cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 14px;
  border-radius: 14px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.05s ease,
    background 0.15s ease;
}
.sidebar-button:hover {
  background: var(--accent-2);
  text-decoration: none;
  color: #fff;
      transform: scale(1);
}
.sidebar-button:active {
  transform: translateY(1px);
}

.side-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.side-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
}
.side-list li:last-child {
  border-bottom: none;
}
.label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 3px;
}
p.note{
  font-size: 14px;
  color: var(--muted);
}

.header-area {
    text-align: center;
    background: #2389ca;
    color: #fff;
    font-size: 40px;
    font-weight: 500;
    line-height: 1;
    padding: 40px;
    box-sizing: border-box;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
}

@media screen and (max-width: 640px) {
  .header-area {
    font-size: 20px;
    padding: 20px;
  }
}

@media (max-width: 767px) {
  body.has-mobile-fixed-cta {
    padding-bottom: 92px;
  }

  .mobile-fixed-cta.is-fixed-mobile {
    position: fixed;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    left: 12px;
    z-index: 1000;
    margin: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .mobile-fixed-cta.is-fixed-mobile .sidebar-button {
    display: block;
    text-align: center;
  }
}