@media (max-width: 700px) {
  body {
    font-size: 16px;
  }
  .banner {
    width: 100%;
    max-width: 100%;
  }
  .section {
    margin: 20px 0;
    font-size: 18px;
  }
  .box,
  .period.box,
  .credit.box {
    width: 95vw !important;
    min-width: 0;
    box-sizing: border-box;
    padding: 10px;
    font-size: 18px;
  }
  .intro {
    width: 95vw;
    font-size: 20px;
    margin: 20px auto;
    padding-top: 4px;
    padding-bottom: 4px;
  }
  .menu {
    margin: 20px 0;
  }
  .menu a {
    font-size: 18px;
    min-width: 80px;
    padding: 10px;
  }
  .page-box {
    width: 98vw !important;
    min-width: 0;
    box-sizing: border-box;
    padding: 10px 0;
  }
  .page-content {
    width: 98vw !important;
    padding-left: 8px !important;
    font-size: 16px;
  }
  .about-page .page-box {
    width: 98vw !important;
  }
  .about-page .page-content {
    width: 98vw !important;
    padding-left: 8px !important;
  }
}
/* 登録ルールだけ下余白を増やす */
.page-box:first-of-type .page-content {
  padding-bottom: 32px;
}
/* 概要ページ専用 幅を元に戻す */
.about-page .page-box {
  width: 900px;
}
.about-page .page-content {
  width: 85%;
  padding-left: 0;
}
@font-face {
  font-family: "DartsFont";
  src: url("../fonts/dartsfont.woff2") format("woff2");
}

body {
  background-image: url("../img/background.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: #000;
  font-weight: bold;
  text-align: center;
  font-family: "DartsFont", sans-serif;
  margin: 0;
  overflow-y: scroll;
}

.section {
  margin: 40px 0;
  font-size: 24px;
}

/* トップページなどで使う共通ボックス */
.box {
  border-top: 4px solid #c2a070;
  border-bottom: 4px solid #c2a070;
  background: rgba(255,255,255,0.88);
  padding: 20px;
}

.intro {
  width: 600px;
  margin: 40px auto;
  font-size: 32px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.period,
.credit {
  width: 600px;
  margin: 40px auto;
}

.menu {
  margin: 40px 0;
}

.menu a {
  color: #000;
  margin: 0 10px;
  font-size: 32px;
  display: inline-block;
  min-width: 140px;
  padding: 20px;
  background: rgba(255,255,255,0.88);
  border-top: 4px solid #c2a070;
  border-bottom: 4px solid #c2a070;
  text-decoration: none;
}


.menu a:hover {
  text-decoration: underline;
}

.menu a.active {
  background: #e0d4b8;
  pointer-events: none;
  cursor: default;
}

.menu a.disabled {
  color: #ddd;
  pointer-events: none;
}

.credit a {
  color: #000;
  text-decoration: none;
}
.credit a:hover {
  text-decoration: underline;
}

.banner {
  width: 1200px;
  max-width: 90%;
  height: auto;
}

/* 下層ページ本文用 */
.page-box {
  width: 900px;
  max-width: 95vw;
  margin: 40px auto;
  border-top: 4px solid #c2a070;
  border-bottom: 4px solid #c2a070;
  background: rgba(255,255,255,0.85);
  padding: 20px 0;
  box-sizing: border-box;
}

.page-title {
  font-size: 32px;
  margin-bottom: 10px;
}

.page-divider {
  width: 93%;
  height: 1px;
  background: #c2a070;
  margin: 10px auto 20px;
}

.page-content {
  width: 93%;
  margin: 0 auto;
  text-align: left;
  font-size: 20px;
  line-height: 1.8;
  padding-left: 32px;
}

/* トップページの期間・クレジットだけ詰める */
.period.box,
.credit.box {
  padding-top: 10px;
  padding-bottom: 10px;
}

/* ←ここが今回の追加 */
.rule-line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rule-inline-img {
  width: 40px;
  height: auto;
  position: relative;
  top: 6px;
}