.rules-shell {
  padding-top: clamp(28px, 7vh, 86px);
  gap: clamp(22px, 4vw, 42px);
}

.rules-hero {
  grid-template-columns: minmax(0, 1.04fr) minmax(290px, 0.96fr);
  align-items: center;
  min-height: 430px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(116, 212, 255, 0.16), transparent 42%),
    linear-gradient(315deg, rgba(209, 79, 109, 0.13), transparent 52%),
    linear-gradient(135deg, rgba(17, 22, 31, 0.9), rgba(9, 13, 22, 0.78));
}

.rules-hero h1 {
  max-width: 780px;
  font-size: clamp(2.8rem, 6.4vw, 5.8rem);
}

.rules-hero .section-copy p:last-child {
  max-width: 740px;
  color: #dbe5f4;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.rules-hero-art {
  min-height: 320px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
}

.rules-hero-art img {
  width: 132%;
  max-width: none;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.48);
}

.rules-hero-art img:nth-child(1) {
  transform: translateX(12%) rotate(-7deg);
}

.rules-hero-art img:nth-child(2) {
  position: relative;
  z-index: 2;
  transform: translateY(-18px) scale(1.06);
}

.rules-hero-art img:nth-child(3) {
  transform: translateX(-12%) rotate(7deg);
}

.rules-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.rules-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.035)),
    rgba(10, 14, 23, 0.72);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.26);
}

.rules-card h2 {
  font-size: clamp(1.55rem, 3vw, 2.45rem);
  line-height: 1.05;
}

.rules-card h3 {
  color: var(--text);
}

.rules-card p,
.rules-list,
.summary-grid,
.rules-mini-list {
  color: var(--muted);
  line-height: 1.58;
}

.rules-card p:last-child,
.rules-list:last-child,
.summary-grid:last-child {
  margin-bottom: 0;
}

.rules-wide,
.attack-battle-card {
  grid-column: 1 / -1;
}

.rules-mini-list,
.phase-grid,
.compare-grid,
.summary-grid {
  display: grid;
  gap: 10px;
}

.rules-mini-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.rules-mini-list span,
.phase-grid section,
.compare-grid section,
.summary-grid li {
  padding: 13px;
  border: 1px solid rgba(116, 212, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.rules-mini-list strong,
.rules-list strong,
.rules-card p strong {
  color: var(--text);
}

.rules-mini-list strong {
  display: block;
  margin-bottom: 4px;
}

.rules-list {
  display: grid;
  gap: 9px;
  padding-left: 1.15rem;
  margin: 0;
}

.rules-list.numbered {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style-position: inside;
  padding-left: 0;
}

.phase-track {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.phase-track span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.4rem 0.68rem;
  border: 1px solid rgba(240, 195, 106, 0.3);
  border-radius: 8px;
  color: #ffe7a8;
  background: rgba(240, 195, 106, 0.1);
  font-weight: 800;
  font-size: 0.92rem;
}

.phase-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.phase-grid p,
.compare-grid p {
  margin-bottom: 0;
}

.compare-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rules-callout {
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  color: #eef7ff;
  background: rgba(116, 212, 255, 0.12);
  font-weight: 900;
}

.quick-summary {
  background:
    linear-gradient(135deg, rgba(116, 212, 255, 0.13), transparent 42%),
    linear-gradient(315deg, rgba(240, 195, 106, 0.13), transparent 52%),
    rgba(10, 14, 23, 0.78);
}

.summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  list-style: none;
}

@media (max-width: 980px) {
  .rules-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .rules-hero-art {
    min-height: 250px;
    width: min(560px, 92%);
    margin: 0 auto;
  }

  .rules-guide-grid,
  .phase-grid,
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .rules-shell {
    width: min(100vw - 22px, 1220px);
    padding-top: 72px;
  }

  .rules-hero {
    min-height: 0;
  }

  .rules-hero-art {
    min-height: 210px;
  }

  .rules-guide-grid,
  .rules-mini-list,
  .phase-grid,
  .compare-grid,
  .rules-list.numbered,
  .summary-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.rules-page-tabs,
.rules-footer-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.rules-page-tabs { margin-top: 24px; }
.rules-page-tabs a { border: 1px solid rgba(116,212,255,.28); border-radius: 999px; padding: 9px 14px; color: #dbe5f4; background: rgba(255,255,255,.04); font-weight: 850; text-decoration: none; }
.rules-page-tabs a:hover, .rules-page-tabs a:focus-visible, .rules-page-tabs a.active { border-color: rgba(240,195,106,.58); color: #fff2c7; background: rgba(240,195,106,.12); }
.comprehensive-shell { width: min(1440px, calc(100vw - 38px)); }
.comprehensive-hero { min-height: 0; }
.comprehensive-hero h1 { max-width: 1040px; font-size: clamp(2.6rem,5.8vw,5.25rem); }
.rules-meta { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 18px; color: #aebacc; font-size: .88rem; }
.rules-meta strong { color: #eef7ff; }
.rules-originality-note { border-left: 3px solid rgba(240,195,106,.7); padding-left: 13px; }
.rules-tools { position: sticky; z-index: 30; top: 8px; display: grid; grid-template-columns: auto minmax(220px,1fr) auto; gap: 10px; padding: 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; background: rgba(8,12,20,.94); box-shadow: 0 12px 42px rgba(0,0,0,.34); backdrop-filter: blur(12px); }
.rules-tools button, .rules-tools input { min-height: 42px; border: 1px solid rgba(116,212,255,.28); border-radius: 7px; padding: 9px 12px; color: #eef7ff; background: rgba(255,255,255,.055); font: inherit; }
.rules-tools button { cursor: pointer; font-weight: 850; }
.rules-tools input:focus, .rules-tools button:focus-visible { border-color: #74d4ff; outline: 2px solid rgba(116,212,255,.16); }
.rules-search-wrap { display: grid; gap: 4px; }
.rules-search-wrap small { color: #91a0b5; font-size: .72rem; }
.comprehensive-layout { display: grid; grid-template-columns: minmax(220px,285px) minmax(0,1fr); gap: 22px; align-items: start; }
.rules-contents { position: sticky; top: 88px; max-height: calc(100vh - 110px); overflow: auto; border: 1px solid rgba(255,255,255,.13); border-radius: 9px; padding: 17px; background: rgba(10,14,23,.78); }
.rules-contents h2 { margin: 0 0 12px; font-size: 1rem; letter-spacing: .08em; text-transform: uppercase; }
.rules-contents ol { display: grid; gap: 7px; padding-left: 1.25rem; margin: 0; }
.rules-contents a { color: #c6d6ea; text-decoration: none; }
.rules-contents a:hover, .rules-contents a:focus-visible { color: #74d4ff; text-decoration: underline; }
.rules-document { display: grid; gap: 17px; min-width: 0; }
.comprehensive-section { scroll-margin-top: 92px; border: 1px solid rgba(255,255,255,.13); border-radius: 9px; padding: clamp(18px,3vw,30px); background: linear-gradient(135deg,rgba(255,255,255,.055),rgba(255,255,255,.025)),rgba(8,12,20,.82); }
.section-heading { display: grid; grid-template-columns: auto 1fr; gap: 13px; align-items: start; margin-bottom: 18px; }
.section-number { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border: 1px solid rgba(240,195,106,.43); border-radius: 50%; color: #ffe6a5; font-weight: 950; }
.section-heading h2 { margin: 0; font-size: clamp(1.55rem,3vw,2.4rem); }
.section-heading p { margin: 4px 0 0; color: #91a0b5; }
.rule-list { display: grid; gap: 3px; }
.comp-rule { scroll-margin-top: 92px; display: grid; grid-template-columns: 4.4rem minmax(0,1fr); gap: 12px; padding: 11px 5px; border-top: 1px solid rgba(255,255,255,.075); }
.comp-rule:first-child { border-top: 0; }
.rule-number { color: #74d4ff; font-weight: 900; font-variant-numeric: tabular-nums; }
.comp-rule p { margin: 0; color: #c7d2e2; line-height: 1.62; }
.comp-rule strong { color: #f2f7ff; }
.comp-rule[hidden], .comprehensive-section[hidden] { display: none; }
.rules-desktop-return { position: fixed; z-index: 100; top: 14px; left: 14px; border: 1px solid rgba(240,195,106,.44); border-radius: 7px; padding: 9px 13px; color: #fff0c5; background: rgba(8,12,20,.92); text-decoration: none; font-weight: 850; }
.desktop-rules-runtime .rules-shell { padding-top: 66px; }

@media (max-width: 900px) {
  .comprehensive-layout { grid-template-columns: minmax(0,1fr); }
  .rules-contents { position: static; display: none; max-height: none; }
  .rules-contents.contents-open { display: block; }
}

@media (max-width: 720px) {
  .comprehensive-shell { width: min(100vw - 22px,1220px); }
  .rules-tools { position: static; grid-template-columns: 1fr 1fr; }
  .rules-search-wrap { grid-column: 1 / -1; grid-row: 1; }
  .comp-rule { grid-template-columns: 3.7rem minmax(0,1fr); gap: 8px; }
  .rules-desktop-return { position: absolute; }
}

@media print {
  .m9-global-nav, [data-account-menu-root], .rules-tools, .rules-page-tabs, .rules-footer-actions, .rules-desktop-return, .landing-footer { display: none !important; }
  body, .landing-page { color: #111 !important; background: #fff !important; }
  .rules-shell, .comprehensive-shell { width: 100%; padding: 0; }
  .rules-hero, .comprehensive-section { break-inside: avoid; border-color: #bbb; color: #111; background: #fff; box-shadow: none; }
  .comprehensive-layout { display: block; }
  .rules-contents { display: none; }
  .comp-rule p, .section-heading p, .rules-hero .section-copy p { color: #222 !important; }
  .rule-number { color: #075b7d; }
}