@charset "utf-8";

/* ===============================================
   registration
=============================================== */

.registaration-content {
  --reg-accent: #0b5c9c;
  --reg-accent-light: #e8f1f8;
  --reg-border: #dfe4ea;
  --reg-check: #2e9e5b;
  --reg-soft: #f6f8fa;
  --reg-text: #2c3038;
  --reg-text-sub: #6b7280;
  color: var(--reg-text);
  container-type: inline-size;
  font-feature-settings: "palt";
  line-height: 1.8;
  padding-block: 3rem;
}

.registaration-inner {
  margin-inline: auto;
  max-width: 1080px;
  padding-inline: 1.25rem;
}

/* ---- 見出し ------------------------------- */

.registaration-inner h2 {
  border-bottom: 1px solid var(--reg-border);
  font-size: 2rem;
  letter-spacing: 0.12em;
  line-height: 1.3;
  padding-bottom: 1rem;
  text-align: center;
}

.registaration-inner h3 {
  border-left: 4px solid var(--reg-accent);
  font-size: 1.25rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  padding-left: 0.75rem;
}

.registaration-inner h4 {
  color: var(--reg-accent);
  font-size: 1.0625rem;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.registaration-inner p + p {
  margin-top: 0.75rem;
}

.registaration-inner a:not([class]) {
  color: var(--reg-accent);
  text-underline-offset: 0.2em;
}

/* ---- イントロ ----------------------------- */

.registaration-head {
  margin-bottom: 3rem;
  text-align: center;
}

.registaration-lead {
  color: var(--reg-accent);
  font-size: 1.125rem;
  font-weight: 700;
  margin-top: 1.25rem;
}

.registaration-message {
  color: var(--reg-text-sub);
  margin-inline: auto;
  max-width: 40em;
}

/* ---- セクション --------------------------- */

.registaration-block {
  margin-bottom: 3rem;
}

.registaration-block:last-child {
  margin-bottom: 0;
}

/* ---- 開催日程 ----------------------------- */

.registaration-dates {
  background-color: var(--reg-soft);
  border-radius: 6px;
  display: grid;
  gap: 0.25rem 1.5rem;
  padding: 1.25rem 1.5rem;
}

.registaration-dates dt {
  color: var(--reg-text-sub);
  font-size: 0.875rem;
}

.registaration-dates dd {
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.registaration-dates dd:last-child {
  margin-bottom: 0;
}

/* ---- カテゴリー --------------------------- */

.registaration-cards {
  display: grid;
  gap: 1.5rem;
}

.registaration-cards h3 {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.registaration-card {
  border: 1px solid var(--reg-border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.registaration-target {
  background-color: var(--reg-accent-light);
  border-radius: 4px;
  color: var(--reg-accent);
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
}

.registaration-subhead {
  border-bottom: 1px dotted var(--reg-border);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  text-transform: uppercase;
}

.registaration-list {
  margin-bottom: 1.5rem;
}

.registaration-list li {
  padding-left: 1.5rem;
  position: relative;
}

.registaration-list li::before {
  color: var(--reg-check);
  content: "\2713";
  font-weight: 700;
  left: 0.25rem;
  position: absolute;
}

.registaration-note {
  color: var(--reg-text-sub);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.registaration-btn {
  background-color: var(--reg-accent);
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  margin-top: auto;
  padding: 0.875rem 1rem;
  text-align: center;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a.registaration-btn { color:#fff; }

.registaration-btn:focus,
.registaration-btn:hover,
.registaration-btn:visited {
  color: #fff;
}

.registaration-btn:hover {
  opacity: 0.75;
}

/* ---- 宿泊 --------------------------------- */

.registaration-hotels {
  display: grid;
  gap: 1.5rem;
}

.registaration-hotels h3,
.registaration-hotels > p {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.registaration-hotel {
  background-color: var(--reg-soft);
  border-radius: 8px;
  padding: 1.5rem;
}

.registaration-rate {
  display: grid;
  gap: 0.25rem;
  margin-top: 1rem;
}

.registaration-rate dt {
  color: var(--reg-text-sub);
  font-size: 0.875rem;
}

.registaration-rate dd {
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.registaration-rate dd:last-child {
  margin-bottom: 0;
}

.registaration-rate span {
  color: var(--reg-text-sub);
  font-size: 0.8125rem;
  font-weight: 400;
}

/* ---- 支払い・キャンセル ------------------- */

.registaration-policy {
  margin-bottom: 1.5rem;
}

.registaration-policy:last-child {
  margin-bottom: 0;
}

.registaration-policy ul li,
.registaration-policy dd {
  padding-left: 1.25rem;
  position: relative;
}

.registaration-policy ul li::before,
.registaration-policy dd::before {
  content: "\30fb";
  left: 0;
  position: absolute;
}

.registaration-policy dt {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

/* ---- お問い合わせ ------------------------- */

.registaration-contact {
  background-color: var(--reg-soft);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.registaration-contact a {
  font-size: 1.125rem;
  font-weight: 700;
}

/* ---- pc ----------------------------------- */

@container (min-width: 768px) {
  .registaration-content {
    padding-block: 5rem;
  }

  .registaration-inner h2 {
    font-size: 2.5rem;
  }

  .registaration-block {
    margin-bottom: 4.5rem;
  }

  .registaration-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .registaration-dates {
    grid-template-columns: max-content 1fr;
  }

  .registaration-dates dd {
    margin-bottom: 0;
  }

  .registaration-hotels {
    grid-template-columns: repeat(2, 1fr);
  }

  .registaration-rate {
    grid-template-columns: max-content 1fr;
  }

  .registaration-rate dd {
    margin-bottom: 0;
  }
}