@charset "utf-8";
/* =====================
   基本
===================== */
*, ::before, ::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  font-family: "Noto Sans JP", sans-serif;
  color: #434343;
  line-height: 1.6;
  background:
    linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.1)), url("../img/inaho.png"), url("../img/wasi.png");
  background-color: #ccccbe;
  background-size:
    auto, 480px, 480px;
  background-position:
    center, right 10px bottom -10px, center;
  background-repeat:
    no-repeat, no-repeat, repeat;
}
img {
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 4px;
}
p {
  margin: 0;
}
/* =====================
   共通
===================== */
.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 16px 32px;
}
/* =====================
   header
===================== */
header {
  background-color: #fff;
  text-align: center;
  padding: 20px 16px;
}
h1, h3 {
  font-family: "Noto Serif JP", serif;
}
header h3 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}
header h1 {
  font-size: 2rem;
  line-height: 1.4;
}
/* =====================
   見出し
===================== */
h2 {
  font-family: "Noto Serif JP", serif;
  font-size: 1.5rem;
  margin: 32px 0 12px;
}
h4 {
  font-family: "Noto Serif JP", serif;
  font-size: 1.4rem;
  line-height: 1.5;
  padding: 0 0 0 16px;
  margin: 32px 0 12px;
  border-left: 5px solid #f08400;
}
/* =====================
   プログラム
===================== */
.program-section {
  width: 100%;
}
.program {
  width: 90%;
  margin: 0 auto;
}
.message {
  width: 90%;
  margin: 0 auto 16px;
}
.message p {
  font-size: 0.95rem;
}
/* =====================
   テーブル共通
===================== */
.table-program {
  width: 100%;
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  border: 1px solid #737373;
  padding: 10px 16px;
}
/* =====================
   開催日・会場
===================== */
.detail-table th {
  width: 30%;
  background-color: #f3f3f3;
  text-align: center;
  font-weight: bold;
}
.detail-table td {
  width: 70%;
  background-color: #fafafa;
  text-align: center;
}
/* =====================
   プログラム表
===================== */
.main-table th {
  width: 30%;
  background-color: #f3f3f3;
  text-align: center;
  white-space: nowrap;
}
.main-table td {
  width: 70%;
  background-color: #fafafa;
  text-align: left;
}
.main-table small {
  font-size: 0.9rem;
}
.notes {
  padding: 5px 5px 5px 16px;
  margin-top: 4px;
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.6;
}
/* =====================
   会場リンク
===================== */
.address-link {
  display: inline-block;
  width: 250px;
  max-width: 100%;
  margin: 10px 0 5px;
  padding: 8px 12px;
  text-align: center;
  color: #434343;
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 0.95rem;
  transition:
    background-color 0.3s ease, color 0.3s ease;
}
.address-link:hover {
  background-color: #bbb;
  color: #000;
}
/* =====================
   フッター
===================== */
.footer {
  width: 100%;
}
.footer-container::before {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: #424242;
}
.footer-top {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 auto;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}
.footer-section {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1.6rem 0;
  text-align: center;
  font-size: 16px;
}
.footer-section a {
  transition: opacity 0.3s ease;
}
.footer-section a:hover, .footer-bottom a:hover {
  opacity: 0.7;
}
.footer-section p {
  font-size: 16px;
}
.footer-bottom {
  padding: 8px 0 24px;
  text-align: center;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
}
/* =====================
   スマホ
===================== */
@media (max-width: 768px) {
  header {
    padding: 16px 12px;
  }
  header h3 {
    font-size: 1rem;
  }
  header h1 {
    font-size: 1.6rem;
  }
  .container {
    padding: 0 12px 24px;
  }
  h2 {
    font-size: 1.3rem;
    margin-top: 24px;
  }
  h4 {
    font-size: 1.2rem;
    margin-top: 24px;
  }
  .program, .message {
    width: 100%;
  }
  th, td {
    padding: 9px 10px;
  }
  .detail-table th, .main-table th {
    width: 30%;
  }
  .detail-table td, .main-table td {
    width: 70%;
  }
  .main-table th {
    white-space: normal;
  }
  .notes {
    padding-left: 10px;
    font-size: 0.85rem;
  }
  .address-link {
    width: 100%;
  }
  .footer-top {
    flex-direction: column;
    align-items: center;
  }
  .footer-section {
    margin: 1rem 0;
  }
  .footer-bottom {
    font-size: 18px;
  }
}