/* ============================================================
   めんたいこ サークルサイト - スタイルシート
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #f7f8fa;
  --surface:     #ffffff;
  --accent:      #e8911a;
  --accent-dim:  rgba(232, 145, 26, 0.1);
  --accent-dark: #c97a0e;
  --text:        #1a1a2e;
  --sub:         #64748b;
  --border:      rgba(0, 0, 0, 0.09);
  --shadow-sm:   0 2px 16px rgba(0, 0, 0, 0.07);
  --shadow-md:   0 6px 32px rgba(0, 0, 0, 0.11);
  --radius:      16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
}

/* ── ナビゲーション ──────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: 56px;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-weight: 700; font-size: 1.05rem;
  color: var(--accent); text-decoration: none; letter-spacing: 0.05em;
}
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a {
  color: var(--sub); text-decoration: none;
  font-size: 0.84rem; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* ── 共通レイアウト ──────────────────────────────────────── */
.wrapper { max-width: 900px; margin: 0 auto; padding: 0 24px; }
section  { padding: 88px 0; }

.section-label {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  background: linear-gradient(90deg, #e8911a, #e84a1a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.section-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 36px; }

/* ── フェードイン ────────────────────────────────────────── */
.fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade.visible { opacity: 1; transform: translateY(0); }

/* ── Hero ───────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 80px 24px;
  background: linear-gradient(155deg, #fffcf5 0%, #fff8ec 55%, #fef2d8 100%);
  position: relative; overflow: hidden;
}
#hero::before {
  content: '🏸';
  position: absolute; font-size: 420px; opacity: 0.055;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  pointer-events: none; user-select: none;
}
.hero-inner { position: relative; z-index: 1; }

.hero-tag {
  display: inline-block;
  background: rgba(232, 145, 26, 0.12);
  color: var(--accent);
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.13em;
  padding: 6px 16px; border-radius: 999px;
  border: 1px solid rgba(232, 145, 26, 0.28);
  margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(3.5rem, 11vw, 6.2rem);
  font-weight: 700; letter-spacing: 0.07em; line-height: 1.08;
  margin-bottom: 18px; color: var(--text);
}
.hero-sub {
  font-size: 1.05rem; color: var(--sub);
  max-width: 480px; margin: 0 auto 34px;
}
.hero-btn {
  display: inline-block;
  background: linear-gradient(135deg, #e8911a, #e84a1a); color: #fff;
  font-weight: 700; font-size: 0.95rem;
  padding: 14px 40px; border-radius: 999px; text-decoration: none;
  box-shadow: 0 4px 22px rgba(232, 75, 26, 0.38);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.hero-btn:hover {
  background: linear-gradient(135deg, #c97a0e, #c93a0e);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(232, 75, 26, 0.45);
}

/* ── About ──────────────────────────────────────────────── */
#about { background: var(--surface); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px; margin-bottom: 28px;
}
.feature-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px;
  transition: transform 0.2s, box-shadow 0.2s;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, #e8911a, #e84a1a);
  margin: -28px -22px 20px;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-icon  { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p  { font-size: 0.875rem; color: var(--sub); line-height: 1.75; }

.about-body {
  background: var(--accent-dim);
  border: 1px solid rgba(232, 145, 26, 0.18);
  border-radius: var(--radius); padding: 28px 32px;
  font-size: 0.95rem; line-height: 1.95;
}

/* ── Schedule ───────────────────────────────────────────── */
#schedule { background: var(--bg); }

.schedule-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.tab-btn {
  background: var(--surface); border: 1.5px solid var(--border);
  color: var(--sub); padding: 7px 20px; border-radius: 999px;
  cursor: pointer; font-size: 0.84rem; font-weight: 500;
  font-family: inherit; transition: all 0.2s;
}
.tab-btn.active        { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-btn:hover:not(.active) { border-color: var(--accent); color: var(--accent); }

.schedule-list { display: flex; flex-direction: column; gap: 10px; }

.schedule-item {
  background: var(--surface); border: 1.5px solid var(--border);
  border-left: 4px solid transparent;
  border-radius: 12px; padding: 15px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.schedule-item.area-kyoto { border-left-color: #f59e0b; }
.schedule-item.area-shiga { border-left-color: #3b82f6; }
.schedule-item:hover:not(.past) { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.schedule-item.past { opacity: 0.4; }

.schedule-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.area-badge {
  font-size: 0.69rem; font-weight: 700; padding: 3px 10px;
  border-radius: 999px; flex-shrink: 0;
}
.area-badge.kyoto { background: #fef3c7; color: #92400e; }
.area-badge.shiga { background: #dbeafe; color: #1d4ed8; }

.schedule-day   { font-weight: 700; font-size: 0.94rem; }

.schedule-right { text-align: right; flex-shrink: 0; }
.schedule-time  { font-size: 0.9rem; font-weight: 600; display: block; }
.schedule-venue { font-size: 0.74rem; color: var(--sub); display: block; margin-top: 3px; }
a.venue-link { color: var(--accent); text-decoration: none; }
a.venue-link:hover { text-decoration: underline; }

/* ── Details ────────────────────────────────────────────── */
#details { background: var(--surface); }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.detail-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  overflow: hidden;
}
.detail-card::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, #e8911a, #e84a1a);
  margin: -28px -24px 20px;
}
.detail-card h3      { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
.detail-card .price  { font-size: 2.5rem; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 5px; }
.detail-card .price-note { font-size: 0.8rem; color: var(--sub); }

.detail-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.detail-list li {
  font-size: 0.9rem; display: flex; align-items: flex-start; gap: 10px;
}
.detail-list li::before {
  content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; margin-top: 2px;
}

/* ── FAQ ────────────────────────────────────────────────── */
#faq { background: var(--surface); }

.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 720px; }

.faq-item {
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item[open] { border-color: var(--accent); box-shadow: var(--shadow-sm); }

.faq-q {
  list-style: none; padding: 18px 20px;
  font-size: 0.95rem; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  user-select: none; transition: background 0.2s;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover { background: var(--accent-dim); }
.faq-item[open] .faq-q { background: var(--accent-dim); }
.faq-q::after {
  content: '▼'; font-size: 0.7rem;
  color: var(--accent); flex-shrink: 0; transition: transform 0.25s;
}
.faq-item[open] .faq-q::after { transform: rotate(180deg); }

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.faq-a {
  animation: faq-open 0.25s ease;
  padding: 14px 20px 18px; font-size: 0.88rem;
  color: var(--sub); line-height: 1.85;
  border-top: 1px solid var(--border);
}

/* ── Contact ────────────────────────────────────────────── */
#contact { background: var(--bg); }

.contact-wrap {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px;
  max-width: 640px; margin: 0 auto; box-shadow: var(--shadow-sm);
}
.contact-wrap > p { color: var(--sub); font-size: 0.9rem; margin-bottom: 28px; line-height: 1.85; }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.8rem; font-weight: 700;
  color: var(--sub); margin-bottom: 8px; letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; background: var(--bg); border: 1.5px solid var(--border);
  border-radius: 10px; color: var(--text); font-family: inherit;
  font-size: 0.95rem; padding: 11px 14px;
  transition: border-color 0.2s; outline: none; appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 110px; }

/* 日程チェックボックス */
.date-checkboxes { display: flex; flex-direction: column; gap: 8px; }

.date-checkbox-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: 10px; padding: 12px 16px; cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  user-select: none;
}
.date-checkbox-item:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.full-badge, .waitlist-badge {
  display: inline-block;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}
.full-badge     { background: var(--accent); }
.waitlist-badge { background: #f59e0b; }
.date-checkbox-item input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--accent); cursor: pointer; flex-shrink: 0;
}
.checkbox-content { display: flex; flex-direction: column; gap: 2px; }
.checkbox-label   { font-size: 0.9rem; font-weight: 500; }
.checkbox-sub     { font-size: 0.75rem; color: var(--sub); }

.submit-btn {
  width: 100%; background: linear-gradient(135deg, #e8911a, #e84a1a); color: #fff;
  font-weight: 700; font-size: 1rem; padding: 14px;
  border: none; border-radius: 10px; cursor: pointer; font-family: inherit;
  box-shadow: 0 4px 16px rgba(232, 75, 26, 0.32); margin-top: 8px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.submit-btn:hover {
  background: linear-gradient(135deg, #c97a0e, #c93a0e);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 75, 26, 0.42);
}

/* ── Footer ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 40px 24px; text-align: center;
}
.footer-name  { font-size: 1.2rem; font-weight: 700; color: var(--accent); margin-bottom: 18px; }
.sns-links    { display: flex; justify-content: center; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.sns-link {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg); border: 1.5px solid var(--border); color: var(--text);
  text-decoration: none; padding: 10px 22px; border-radius: 999px;
  font-size: 0.88rem; font-weight: 500; transition: all 0.2s;
}
.sns-link:hover { border-color: var(--accent); color: var(--accent); }
.ig-icon {
  width: 18px; height: 18px; fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.footer-copy { font-size: 0.78rem; color: var(--sub); }

/* ── レスポンシブ ────────────────────────────────────────── */
@media (max-width: 600px) {
  nav { padding: 0 16px; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 0.78rem; }

  section { padding: 60px 0; }
  .wrapper { padding: 0 16px; }
  .section-title { font-size: 1.4rem; }

  .schedule-item { flex-direction: column; align-items: flex-start; gap: 8px; }
  .schedule-right { text-align: left; }

  .contact-wrap { padding: 24px 16px; }
  .about-body   { padding: 20px; }
  .hero-title   { letter-spacing: 0.02em; }
}