:root {
  --red: #e8342c;
  --red-dark: #c1221b;
  --black: #141414;
  --white: #ffffff;
  --gray: #f4f3f1;
  --gray-text: #666;
  --font-display: "Reggae One", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", system-ui, sans-serif;
  --font-num: "Bebas Neue", sans-serif;
  --container: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.3; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.pc { display: none; }
@media (min-width: 768px) { .pc { display: inline; } }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.container.narrow { max-width: 760px; }
.center { text-align: center; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-black { background: var(--black); color: var(--white); }
.btn-black:hover { background: #000; }
.btn-red { background: var(--red); color: var(--white); }
.btn-red:hover { background: var(--red-dark); }
.btn-outline { border-color: var(--black); color: var(--black); background: transparent; }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-lg { font-size: 1.15rem; padding: 18px 40px; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; padding: 0 16px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--red);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; font-family: var(--font-display); font-size: 1.35rem;
}
.brand img { border-radius: 50%; }
.site-nav { display: flex; gap: 22px; align-items: center; font-weight: 500; }
.site-nav a { text-decoration: none; }
.site-nav a:not(.nav-cta):hover { color: var(--red); }
.nav-cta {
  background: var(--red); color: var(--white);
  padding: 8px 18px; border-radius: 999px; font-weight: 700;
}
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; padding: 8px; cursor: pointer;
}
.nav-toggle span { width: 26px; height: 3px; background: var(--black); border-radius: 2px; }
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 3px solid var(--red);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 20px; border-top: 1px solid #eee; }
  .site-nav .nav-cta { margin: 12px 20px 16px; text-align: center; border-radius: 999px; }
}

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  background: var(--red); color: var(--black);
  padding: 48px 0 56px;
}
.hero-lines { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-lines::before, .hero-lines::after {
  content: ""; position: absolute; left: -10%; width: 120%; height: 3px; background: var(--black);
  transform: rotate(-2.5deg);
}
.hero-lines::before { top: 22px; }
.hero-lines::after { bottom: 18px; }
.hero-inner { position: relative; width: min(100% - 32px, 900px); margin-inline: auto; text-align: center; }
.hero-banner {
  width: 100%; max-width: 760px; margin: 0 auto 28px;
  border: 4px solid var(--black); box-shadow: 10px 10px 0 var(--black);
}
.hero-lead {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.6vw, 2.9rem);
  line-height: 1.25; margin-bottom: 14px;
}
.hero-sub { font-size: 1.02rem; font-weight: 500; }
.hero-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin: 28px 0 24px; }
.hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.hero-tags li {
  background: var(--white); border: 2px solid var(--black);
  padding: 4px 14px; border-radius: 999px; font-size: .9rem; font-weight: 700;
}

/* ===== Sections ===== */
.section { padding: 72px 0; }
.section-gray { background: var(--gray); }
.section-red { background: var(--red); color: var(--white); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  text-align: center; margin-bottom: 28px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.section-title .en {
  font-family: var(--font-num); font-size: 1rem; letter-spacing: .25em;
  color: var(--red);
}
.section-title.light .en { color: var(--white); opacity: .85; }
.section-title::after {
  content: ""; width: 56px; height: 4px; background: var(--red); margin-top: 12px;
}
.section-title.light::after { background: var(--white); }
.section-lead { text-align: center; margin-bottom: 40px; font-size: 1.02rem; }
.about-slogan {
  text-align: center; font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem); color: var(--red); margin-bottom: 14px;
}
.activities-note { text-align: center; color: var(--gray-text); font-size: .9rem; margin-top: 28px; }

/* ===== Features ===== */
.features { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.feature {
  background: var(--white); border: 3px solid var(--black);
  box-shadow: 8px 8px 0 var(--red); padding: 28px 24px; text-align: center;
}
.feature-icon { font-size: 2.4rem; margin-bottom: 10px; }
.feature h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature p { color: var(--gray-text); font-size: .95rem; }

/* ===== Activities ===== */
.activities { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.activity {
  position: relative; overflow: hidden;
  background: var(--white); border-radius: 14px; padding: 28px 26px 24px;
  border-top: 6px solid var(--red);
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}
.activity-emoji-bg {
  position: absolute; right: -10px; bottom: -22px; font-size: 7rem; opacity: .07; pointer-events: none;
}
.activity-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.activity-emoji { font-size: 2rem; }
.activity h3 { font-size: 1.25rem; }
.activity p { font-size: .95rem; margin-bottom: 14px; }
.activity-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.activity-tags li {
  font-size: .78rem; font-weight: 700; color: var(--red);
  border: 1.5px solid var(--red); border-radius: 999px; padding: 1px 10px;
}

/* ===== Schedule ===== */
.schedule { display: grid; gap: 14px; max-width: 820px; margin: 0 auto; }
.schedule-row {
  display: grid; grid-template-columns: 90px 110px 1fr; align-items: center;
  background: var(--white); border: 3px solid var(--black); border-radius: 12px; overflow: hidden;
}
.schedule-day {
  background: var(--black); color: var(--white); text-align: center;
  padding: 12px 6px; font-size: .8rem; font-weight: 700; align-self: stretch;
  display: flex; flex-direction: column; justify-content: center;
}
.schedule-day .num { font-family: var(--font-num); font-size: 1.7rem; line-height: 1; color: var(--red); }
.schedule-time { font-family: var(--font-num); font-size: 1.7rem; text-align: center; letter-spacing: .03em; }
.schedule-body { padding: 12px 16px 12px 6px; display: flex; flex-direction: column; }
.schedule-body strong { font-size: 1.1rem; }
.schedule-body span { font-size: .85rem; color: var(--gray-text); }
.schedule-note { text-align: center; color: var(--gray-text); font-size: .88rem; margin: 22px 0 24px; }
@media (max-width: 560px) {
  .schedule-row { grid-template-columns: 70px 1fr; }
  .schedule-time { grid-column: 2; text-align: left; padding: 10px 12px 0; font-size: 1.4rem; }
  .schedule-body { grid-column: 2; padding: 0 12px 10px; }
  .schedule-day { grid-row: 1 / span 2; }
}

/* ===== Join ===== */
.steps { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 40px; }
.step { background: rgba(255,255,255,.12); border: 2px solid rgba(255,255,255,.6); border-radius: 14px; padding: 26px 22px; }
.step-num {
  font-family: var(--font-num); font-size: 2.6rem; line-height: 1;
  width: 56px; height: 56px; border-radius: 50%; background: var(--white); color: var(--red);
  display: grid; place-items: center; margin-bottom: 12px;
}
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { font-size: .95rem; }
.join-links { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.join-link {
  display: flex; flex-direction: column; text-decoration: none;
  background: var(--white); color: var(--black); border-radius: 12px; padding: 18px 20px;
  border: 3px solid var(--black); box-shadow: 6px 6px 0 var(--black);
  transition: transform .15s ease;
}
.join-link:hover { transform: translate(-2px, -2px); }
.join-link-label { font-weight: 900; font-size: 1.05rem; }
.join-link-url { color: var(--red); font-weight: 700; font-size: .92rem; }
.join-link[data-pending] { opacity: .6; pointer-events: none; }

/* ===== Staff ===== */
.staff { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: 40px; }
.staff-card {
  text-decoration: none; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 26px 18px; border-radius: 14px; background: var(--gray);
  transition: background .15s ease;
}
.staff-card:hover { background: #ebe9e6; }
.staff-role {
  font-size: .78rem; font-weight: 700; color: var(--white); background: var(--red);
  padding: 2px 12px; border-radius: 999px; margin-bottom: 8px;
}
.staff-name { font-size: 1.25rem; font-weight: 900; }
.staff-x { color: var(--gray-text); font-size: .9rem; }
.sponsor { text-align: center; border-top: 1px solid #e5e5e5; padding-top: 28px; }
.sponsor-label { font-family: var(--font-num); letter-spacing: .25em; color: var(--red); margin-bottom: 6px; }
.sponsor-body { font-size: .95rem; }

/* ===== Goods ===== */
.goods {
  display: grid; gap: 32px; align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  background: var(--white); border-radius: 16px; padding: 32px;
}
.goods-visual { position: relative; aspect-ratio: 4 / 3; background: var(--gray); border-radius: 12px; overflow: hidden; display: grid; place-items: center; }
.goods-visual img { width: 100%; height: 100%; object-fit: cover; }
.goods-placeholder { display: none; font-size: 5rem; }
.goods-visual.is-empty img { display: none; }
.goods-visual.is-empty .goods-placeholder { display: block; }
.goods-text h3 { font-size: 1.4rem; margin-bottom: 10px; }
.goods-text p { margin-bottom: 20px; }

/* ===== FAQ ===== */
.faq { border-bottom: 1px solid #e3e3e3; padding: 6px 0; }
.faq summary {
  cursor: pointer; font-weight: 700; padding: 14px 36px 14px 0; position: relative; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-num); font-size: 1.6rem; color: var(--red);
}
.faq[open] summary::after { content: "−"; }
.faq p { padding: 0 0 16px; color: #444; font-size: .95rem; }
.faq-more { text-align: center; margin-top: 32px; }
.faq-more p { margin-bottom: 14px; color: var(--gray-text); font-size: .95rem; }

/* ===== CTA band ===== */
.cta-band { background: var(--red); padding: 64px 0; }
.cta-band-title {
  font-family: var(--font-display); font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  color: var(--black); margin-bottom: 24px;
}

/* ===== Footer ===== */
.site-footer { background: var(--black); color: var(--white); padding: 40px 0 32px; }
.site-footer .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.2rem; }
.footer-brand img { border-radius: 50%; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { text-decoration: none; font-weight: 700; }
.footer-links a:hover { color: var(--red); }
.copyright { width: 100%; font-size: .8rem; color: #999; margin-top: 8px; }