*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background: #f6faf6;
  color: #24332a;
  line-height: 1.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-wrap {
  min-height: 100vh;
}

.hero {
  background:
    linear-gradient(rgba(35, 64, 44, 0.68), rgba(35, 64, 44, 0.68)),
    linear-gradient(135deg, #8fcf9b 0%, #5ca86c 100%);
  color: #fff;
  padding: 56px 20px 48px;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.hero-label {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.92;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.3;
  font-weight: 800;
}

.hero-lead {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.9;
  max-width: 760px;
}

.main-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.info-card,
.schedule-section,
general-section,
.items-section,
.entry-section {
  background: #fff;
  border: 1px solid #dfe9e1;
  border-radius: 18px;
  padding: 26px 22px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.schedule-section,
.general-section,
.items-section,
.entry-section {
  margin-top: 22px;
}

.main-content h2 {
  margin: 0 0 16px;
  font-size: clamp(1.35rem, 2.7vw, 1.8rem);
  line-height: 1.4;
  color: #1f332a;
}

.section-note {
  margin: 0 0 14px;
  color: #4d6054;
  font-size: 0.98rem;
}

.info-list {
  display: grid;
  gap: 14px;
}

.info-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid #e5ece6;
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  font-weight: 700;
  color: #2e5b3a;
}

.info-value {
  color: #33453a;
}

.schedule-table {
  margin-top: 12px;
  border: 1px solid #dce7de;
  border-radius: 14px;
  overflow: hidden;
}

.schedule-head,
.schedule-row {
  display: grid;
  grid-template-columns: 90px 180px 1fr;
  gap: 12px;
  padding: 14px 16px;
}

.schedule-head {
  background: #edf7ef;
  font-weight: 700;
  color: #274835;
}

.schedule-row {
  background: #fff;
  border-top: 1px solid #e3ebe4;
}

.schedule-row:nth-child(even) {
  background: #fbfdfb;
}

.team {
  font-weight: 700;
  color: #2a5c39;
}

.item-list {
  margin: 0;
  padding-left: 1.2em;
}

.item-list li + li {
  margin-top: 6px;
}

.entry-actions {
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

.btn-primary {
  background: #2f7d46;
  color: #fff;
  box-shadow: 0 8px 18px rgba(47, 125, 70, 0.18);
}

.btn-disabled {
  background: #8aa595;
  color: #fff;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

.site-footer {
  padding: 24px 20px 40px;
  text-align: center;
  color: #5f7266;
  font-size: 0.95rem;
}

.error-box {
  margin: 24px auto 0;
  max-width: 960px;
  background: #fff6f6;
  border: 1px solid #f0c9c9;
  color: #7a2d2d;
  border-radius: 14px;
  padding: 16px 18px;
}

@media (max-width: 640px) {
  .hero {
    padding: 46px 16px 38px;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .main-content {
    padding: 24px 16px 56px;
  }

  .info-card,
  .schedule-section,
  .general-section,
  .items-section,
  .entry-section {
    padding: 22px 16px;
    border-radius: 16px;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .schedule-head {
    display: none;
  }

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 14px;
  }
}
/* =========================
   セクション余白の調整
========================= */
.info-card,
.welcome-card,
.recommend-card,
.schedule-section,
.items-section,
.entry-section {
  background: #fff;
  border: 1px solid #dfe9e1;
  border-radius: 18px;
  padding: 30px 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.welcome-card,
.recommend-card,
.schedule-section,
.items-section,
.entry-section {
  margin-top: 28px;
}

/* =========================
   参加しやすい作業です
========================= */
.welcome-card p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.95;
  color: #3f5147;
}

.welcome-card p:last-child {
  margin-bottom: 0;
}

/* =========================
   一般参加おすすめ日
========================= */
.recommend-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.recommend-item {
  background: #f8fbf8;
  border: 1px solid #e2ece4;
  border-radius: 14px;
  padding: 16px 18px;
}

.recommend-date {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #23412f;
}

.recommend-place {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: #355443;
}

.recommend-note {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: #54675c;
}

/* =========================
   見出し下の余白強化
========================= */
.main-content h2 {
  margin: 0 0 18px;
  font-size: clamp(1.35rem, 2.7vw, 1.8rem);
  line-height: 1.45;
  color: #1f332a;
}

.section-note {
  margin: 0 0 18px;
  color: #4d6054;
  font-size: 0.98rem;
  line-height: 1.8;
}

/* =========================
   モバイル時の調整
========================= */
@media (max-width: 640px) {
  .info-card,
  .welcome-card,
  .recommend-card,
  .schedule-section,
  .items-section,
  .entry-section {
    padding: 24px 18px;
    border-radius: 16px;
  }

  .welcome-card,
  .recommend-card,
  .schedule-section,
  .items-section,
  .entry-section {
    margin-top: 22px;
  }

  .recommend-item {
    padding: 14px 14px;
  }
}
.section-note p {
  margin: 0 0 6px;
  line-height: 1.8;
}

.section-note p:last-child {
  margin-bottom: 0;
}
.section-note p {
  margin: 0 0 6px;
  line-height: 1.8;
}

.section-note p:last-child {
  margin-bottom: 0;
}

.section-note p {
  margin: 0 0 6px;
  line-height: 1.8;
}

.section-note p:last-child {
  margin-bottom: 0;
}
.item-list {
  margin-bottom: 12px;
}

.hero-top-link {
  margin-bottom: 12px;
}

.hero-top-link a {
  display: inline-block;
  font-size: 0.95rem;
  color: #dff3e5;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.5);
  padding-bottom: 2px;
}

.hero-top-link a:hover {
  opacity: 0.8;
}