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

:root {
  --c-bg: #ffffff;
  --c-bg-alt: #F5F3F0;
  --c-text: #1a1a1a;
  --c-text-sub: #444444;
  --c-accent: #D2553D;
  --c-accent-hover: #b8432d;
  --c-border: #ddd;
  --f-sans: 'Noto Sans JP', 'Inter', sans-serif;
  --w: min(720px, 100% - 32px);
}

body {
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

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

.inner { width: var(--w); margin: 0 auto; }

/* HERO */
.hero {
  padding: 96px 0 72px;
  background: var(--c-bg-alt);
  text-align: center;
}
.hero__name {
  font-size: clamp(44px, 12vw, 72px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero__name-sub {
  font-size: 14px;
  color: var(--c-text-sub);
  margin-top: 8px;
}
.hero__lead {
  font-size: clamp(17px, 4vw, 20px);
  font-weight: 700;
  margin-top: 32px;
}

/* SECTIONS */
.sec { padding: 72px 0; }
.sec--alt { background: var(--c-bg-alt); }
.sec__heading {
  font-size: clamp(22px, 5vw, 28px);
  font-weight: 900;
  margin-bottom: 28px;
}
.sec__text { color: var(--c-text-sub); margin-bottom: 16px; }

/* FEATURES */
.features { list-style: none; display: grid; gap: 16px; }
.features li {
  display: flex;
  gap: 12px;
  font-weight: 500;
  line-height: 1.7;
}
.features span { flex-shrink: 0; }

/* EVENTS */
.events { display: grid; gap: 24px; }
.event {
  display: block;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.15s;
}
.event:hover { transform: translateY(-2px); }
.event__body { padding: 20px; }
.event__status {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--c-accent);
  padding: 2px 12px;
  border-radius: 3px;
}
.event--past .event__status { background: #888; }
.event--past img { filter: grayscale(0.4); }
.event__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 10px;
}
.event__meta { font-size: 14px; color: var(--c-text-sub); margin-top: 6px; }

/* SNS */
.sns {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* FOOTER */
.footer {
  background: var(--c-text);
  text-align: center;
  padding: 20px;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
}