body {
  font-family: "Noto Sans JP", sans-serif;
  color: #333;
  margin: 0 !important;
  line-height: 1.8;
  background: linear-gradient(180deg, #f0f6fb 0%, #ffffff 70%);
}
main{
  margin: 0 auto;
  width: 100%;
}

/* Layout */
.container {
  width: 90%;
  max-width: 960px;
  margin: 0 auto;
}
.header {
  padding: 1.1rem 0;
  border-bottom: 1px solid #e0e0e0;
  background-color: #011640;
}
.logo {
  height: 50px;
}
.hero {
  text-align: center;
  margin-top: 2rem;
}
.hero-image {
  width: 100%;
  max-width: 650px;
  margin: 0 auto 1.5rem;
}
.hero-cta {
  margin-bottom: 2rem;
}
.btn-primary {
  display: inline-block;
  background: #002b5c;
  color: #fff;
  padding: 0.8rem 1.6rem;
  text-decoration: none;
  border-radius: 3px;
  font-weight: 600;
  transition: 0.2s;
}
.btn-primary:hover {
  background: #003d8a;
}
.intro {
  font-size: 16px;
  text-align: left;
  margin: 0 auto;
  max-width: 650px;
}

/* Section */
.section {
  margin: 3rem auto;
}
.section-title {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #002b5c;
}

/* 概要表 */
.summary-table {
  max-width: 700px;
  border-collapse: collapse;
  font-size: 16px;
  margin: 0 auto;
}
.summary-table th {
  background: #002b5c;
  width: 20%;
  padding: 0.8rem;
  text-align: left;
  vertical-align: top;
  color: #fff;
}
.summary-table td {
  padding: 0.8rem;
  border: 1px solid #ccc;
}
.summary-table td span {
  font-weight: bold;
}

/* Feature list */
.feature-list {
  list-style: none;
  margin:0 auto 2rem auto;
  padding-left: 0;
  max-width: 550px;
}

.feature-list li {
  margin-bottom: 0.5rem;
  padding-left: 1rem; position: relative;
}

.feature-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: #002b5c;
}

.text-center {
  text-align: center;
}

/* タイムテーブル */
.time-table {
  max-width: 600px;
  border-collapse: collapse;
  font-size: 16px;
  margin: 0 auto;
}
.time-table th {
  background: #002b5c;
  width: 25%;
  padding: 0.8rem;
  text-align: left;
  vertical-align: top;
  color: #fff;
}
.time-table td {
  padding: 0.8rem;
  border: 1px solid #ccc;
}
.time-table td span {
  font-weight: bold;
}

/* Speakers */
.speaker {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto 2.5rem auto;
  max-width: 650px;
}
.speaker img {
  width: 160px;
  height: 160px;
  border-radius: 8px;
  object-fit: cover;
  margin-bottom: 1rem;
}
.speaker h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.speaker p {
  font-size: 0.9rem;
  text-align: center;
  max-width: 700px;
}

/* ======================================
   フッター
   ====================================== */
footer {
  background: #fff;
  text-align: center;
  border-top: 1px solid #e0e0e0;
  padding: 2rem 0;
  font-size: 0.85rem;
  color: #555;
}
.footer-logo {
  height: 64px;
  margin-bottom: 0.5rem;
}

/* ======================================
   PCレイアウト
   ====================================== */
@media (min-width: 768px) {
  .speaker {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .speaker p {
    text-align: left;
  }
}

/* ======================================
   スマホ調整
   ====================================== */
@media (max-width: 767px) {
  .summary-table th,
  .summary-table td {
    display: block;
    width: 90%;
  }
}