/* /assets/css/kuni-snowfes.css
   Snow Festival Outline (white base)
*/

:root {
  --sf-ink: rgba(28, 28, 28, 0.92);
  --sf-sub: rgba(28, 28, 28, 0.66);
  --sf-line: rgba(0, 0, 0, 0.1);
  --sf-bg: #ffffff;
  --sf-panel: #ffffff;
  --sf-soft: rgba(0, 0, 0, 0.04);

  --sf-accent: #1a6ee8; /* 既存の青系に寄せる（必要なら差し替え） */
  --sf-accent2: #0ea5e9;
  --sf-warn: #b45309;
  --sf-radius: 18px;
  --sf-shadow: 0 14px 38px rgba(0, 0, 0, 0.1);
  --sf-shadow2: 0 8px 22px rgba(0, 0, 0, 0.08);

  --sf-font: 'Noto Sans JP', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

html,
body {
  background: var(--sf-bg);
  color: var(--sf-ink);
  font-family: var(--sf-font);
}

.km-main {
  min-height: 100vh;
}

/* ===== Hero ===== */
.sf-hero {
  background: radial-gradient(
      1200px 480px at 20% 10%,
      rgba(26, 110, 232, 0.1),
      transparent 60%
    ),
    radial-gradient(
      1100px 520px at 85% 0%,
      rgba(14, 165, 233, 0.11),
      transparent 62%
    ),
    linear-gradient(180deg, rgba(0, 0, 0, 0.03), transparent 60%);
  border-bottom: 1px solid var(--sf-line);
}

.sf-hero__inner {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: clamp(78px, 10vh, 110px) 0 26px;
}

.sf-hero__kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sf-sub);
}

.sf-hero__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: 0.04em;
}

.sf-hero__meta {
  margin: 0 0 14px;
  color: var(--sf-sub);
  line-height: 1.7;
}

.sf-hero__cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 6px;
}

/* ===== Wrap ===== */
.sf-wrap {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 18px 0 56px;
}

.sf-grid {
  display: grid;
  gap: 14px;
}

/* ===== Alert ===== */
.sf-alert {
  background: linear-gradient(
    180deg,
    rgba(180, 83, 9, 0.1),
    rgba(180, 83, 9, 0.04)
  );
  border: 1px solid rgba(180, 83, 9, 0.22);
  border-radius: var(--sf-radius);
  padding: 14px 14px;
  box-shadow: var(--sf-shadow2);
}

.sf-alert__title {
  margin: 0 0 6px;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--sf-warn);
}

.sf-alert__list {
  margin: 0;
  padding-left: 1.1em;
  color: rgba(28, 28, 28, 0.86);
  line-height: 1.8;
}

/* ===== Card ===== */
.sf-card {
  background: var(--sf-panel);
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius);
  padding: 16px 16px;
  box-shadow: var(--sf-shadow2);
}

.sf-card__title {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: 0.06em;
}

/* ===== DL ===== */
.sf-dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.sf-dl__row {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px dashed var(--sf-line);
}
.sf-dl__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.sf-dl dt {
  color: rgba(28, 28, 28, 0.72);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.sf-dl dd {
  margin: 0;
  line-height: 1.75;
  color: rgba(28, 28, 28, 0.9);
}

/* ===== Table ===== */
.sf-tableWrap {
  overflow: auto;
  border-radius: 14px;
  border: 1px solid var(--sf-line);
  background: rgba(255, 255, 255, 0.92);
}

.sf-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.sf-table th,
.sf-table td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--sf-line);
  vertical-align: middle;
  line-height: 1.6;
}

.sf-table thead th {
  background: rgba(0, 0, 0, 0.03);
  font-size: 13px;
  letter-spacing: 0.05em;
}

.sf-table th[scope='row'] {
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.02);
}

.sf-table--center td,
.sf-table--center th {
  text-align: center;
}

/* ===== Lists / Text ===== */
.sf-ul {
  margin: 0;
  padding-left: 1.1em;
  line-height: 1.85;
}

.sf-note {
  margin: 10px 0 0;
  color: var(--sf-sub);
  line-height: 1.75;
}

.sf-muted {
  color: var(--sf-sub);
}

.sf-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(26, 110, 232, 0.1);
  border: 1px solid rgba(26, 110, 232, 0.18);
  color: rgba(26, 110, 232, 0.92);
  font-size: 12px;
  margin-top: 6px;
}

.sf-contact {
  margin: 0 0 10px 0;
  line-height: 1.85;
}

.sf-tel {
  color: var(--sf-accent);
  text-decoration: none;
  border-bottom: 1px dotted rgba(26, 110, 232, 0.55);
}

/* ===== Buttons ===== */
.sf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 1px 8px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: rgba(255, 255, 255, 0.86);
  color: rgba(28, 28, 28, 0.9);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.sf-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.14);
}
.sf-btn--primary {
  border: 1px solid rgba(26, 110, 232, 0.3);
  background: linear-gradient(
    135deg,
    rgba(26, 110, 232, 0.95),
    rgba(14, 165, 233, 0.92)
  );
  color: #fff;
}
.sf-btn--ghost {
  background: rgba(255, 255, 255, 0.7);
}

/* ===== Footer ===== */
.sf-foot {
  border-top: 1px solid var(--sf-line);
  background: rgba(0, 0, 0, 0.02);
}
.sf-foot__inner {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 16px 0 22px;
  display: flex;
  justify-content: flex-end;
}
.sf-top {
  color: var(--sf-accent);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px dotted rgba(26, 110, 232, 0.55);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .sf-dl__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 10px 0;
  }
  .sf-table {
    min-width: 620px;
  }
}