@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root {
  --sbs-teal-deep: #0d4f5c;
  --sbs-teal: #14b8a6;
  --sbs-teal-light: #5eead4;
  --sbs-coral: #ff6b4a;
  --sbs-coral-soft: #ffb4a2;
  --sbs-cream: #fff8f0;
  --sbs-slate: #1e293b;
  --sbs-muted: #64748b;
  --sbs-border: rgba(13, 79, 92, 0.1);
  --sbs-glass: rgba(255, 255, 255, 0.65);
  --sbs-radius: 20px;
  --sbs-head-h: 68px;
  --sbs-font: 'Noto Sans SC', 'DM Sans', system-ui, sans-serif;
  --sbs-shadow: 0 20px 60px rgba(13, 79, 92, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sbs-font);
  color: var(--sbs-slate);
  background: var(--sbs-cream);
  line-height: 1.8;
  overflow-x: hidden;
}
body.sbs-menu-lock { overflow: hidden; }
a { color: var(--sbs-teal-deep); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--sbs-coral); }
img { max-width: 100%; height: auto; display: block; }

.sbs-aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 90% 70% at 0% 0%, rgba(20, 184, 166, 0.18), transparent 50%),
    radial-gradient(ellipse 80% 60% at 100% 20%, rgba(255, 107, 74, 0.14), transparent 45%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(13, 79, 92, 0.08), transparent 55%),
    linear-gradient(180deg, #fff8f0 0%, #f0fdfa 50%, #fff8f0 100%);
  pointer-events: none;
}

.sbs-header-wrap {
  position: sticky;
  top: 0;
  z-index: 900;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--sbs-glass);
  border-bottom: 1px solid var(--sbs-border);
}
.sbs-header-bar {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sbs-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--sbs-teal-deep);
}
.sbs-logo-link img {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(13, 79, 92, 0.18);
}
.sbs-ham {
  width: 46px;
  height: 46px;
  border: 1px solid var(--sbs-border);
  background: rgba(255,255,255,0.8);
  border-radius: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.sbs-ham span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--sbs-teal-deep);
  border-radius: 2px;
  transition: transform 0.28s, opacity 0.28s;
}
.sbs-ham[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.sbs-ham[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.sbs-ham[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.sbs-nav-panel {
  display: none;
  flex-direction: column;
  padding: 0 1.2rem 1rem;
  gap: 0.15rem;
}
.sbs-nav-panel.sbs-open { display: flex; }
.sbs-nav-panel a {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-weight: 500;
  color: var(--sbs-slate);
}
.sbs-nav-panel a:hover,
.sbs-nav-panel a.sbs-nav-on {
  background: rgba(20, 184, 166, 0.12);
  color: var(--sbs-teal-deep);
}

@media (min-width: 900px) {
  .sbs-ham { display: none; }
  .sbs-nav-panel {
    display: flex !important;
    flex-direction: row;
    padding: 0 1.2rem 0.85rem;
    justify-content: center;
    gap: 0.5rem;
  }
  .sbs-nav-panel a { padding: 0.5rem 1rem; }
}

.sbs-sticky-dl {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--sbs-head-h);
  z-index: 850;
  background: rgba(255, 248, 240, 0.96);
  border-bottom: 1px solid var(--sbs-border);
  padding: 0.5rem 0.75rem;
  transform: translateY(-110%);
  opacity: 0;
  transition: transform 0.32s ease, opacity 0.32s ease;
  pointer-events: none;
}
.sbs-sticky-dl.sbs-show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.sbs-dl-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
}
.sbs-dl-cell {
  width: calc(20% - 0.3rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}
.sbs-dl-cell a { display: block; line-height: 0; }
.sbs-dl-cell img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(13, 79, 92, 0.12);
  transition: transform 0.18s;
}
.sbs-dl-cell img:hover { transform: scale(1.06); }
.sbs-dl-cell span {
  font-size: 10px;
  color: var(--sbs-muted);
  max-width: 64px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}
@media (min-width: 900px) {
  .sbs-dl-cell { width: calc(12.5% - 0.35rem); }
  .sbs-dl-cell img { width: 58px; height: 58px; }
}

.sbs-promo-wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}
#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  background: transparent;
  margin: 10px 0;
}
#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
  box-sizing: border-box;
}
#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.12);
  transition: transform 180ms ease, box-shadow 180ms ease;
  display: block;
  border: none;
  background: linear-gradient(135deg, #fff, #fff);
}
#ads a {
  display: inline-block;
  text-decoration: none;
  border-radius: 15px;
}
#ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24, 24, 24, 0.18);
}
#ads figcaption,
#ads .caption {
  height: 15px;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sbs-hero-zone {
  max-width: 1140px;
  margin: 0 auto;
  padding: 2.5rem 1.2rem 3rem;
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 768px) {
  .sbs-hero-zone { grid-template-columns: 1fr 1fr; padding: 3.5rem 1.2rem 4rem; }
}
.sbs-hero-tag {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: linear-gradient(135deg, rgba(20,184,166,0.15), rgba(255,107,74,0.12));
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sbs-teal-deep);
  margin-bottom: 1rem;
  border: 1px solid rgba(20, 184, 166, 0.25);
}
.sbs-hero-zone h1 {
  font-size: clamp(1.65rem, 4.5vw, 2.35rem);
  line-height: 1.35;
  color: var(--sbs-teal-deep);
  margin-bottom: 1rem;
  font-weight: 700;
}
.sbs-hero-lead {
  font-size: 1.05rem;
  color: var(--sbs-muted);
  margin-bottom: 1.5rem;
}
.sbs-hero-visual {
  position: relative;
  justify-self: center;
}
.sbs-hero-visual img {
  width: min(300px, 85vw);
  border-radius: 28px;
  box-shadow: var(--sbs-shadow);
  border: 3px solid rgba(255,255,255,0.9);
}
.sbs-hero-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(20,184,166,0.25), transparent 70%);
  z-index: -1;
  border-radius: 50%;
}

.sbs-main { max-width: 1140px; margin: 0 auto; padding: 0 1.2rem 4rem; }

.sbs-block { margin-bottom: 3.5rem; }
.sbs-block h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--sbs-teal-deep);
  margin-bottom: 1.25rem;
  font-weight: 700;
}
.sbs-block h3 {
  font-size: 1.15rem;
  color: var(--sbs-teal-deep);
  margin: 1.5rem 0 0.75rem;
  font-weight: 600;
}
.sbs-block p { margin-bottom: 1rem; color: var(--sbs-slate); }
.sbs-block p:last-child { margin-bottom: 0; }

.sbs-bento {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .sbs-bento { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .sbs-bento { grid-template-columns: repeat(3, 1fr); } }
.sbs-bento-card {
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--sbs-border);
  border-radius: var(--sbs-radius);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  transition: transform 0.25s, box-shadow 0.25s;
}
.sbs-bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sbs-shadow);
}
.sbs-bento-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--sbs-teal), var(--sbs-teal-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: #fff;
}
.sbs-bento-card h3 { margin-top: 0; font-size: 1.1rem; }
.sbs-bento-card p { font-size: 0.95rem; color: var(--sbs-muted); margin: 0; }

.sbs-split-row {
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3.5rem;
}
@media (min-width: 768px) {
  .sbs-split-row { grid-template-columns: 1fr 1fr; }
  .sbs-split-row.sbs-reverse .sbs-split-media { order: 2; }
  .sbs-split-row.sbs-reverse .sbs-split-text { order: 1; }
}
.sbs-split-media img {
  border-radius: var(--sbs-radius);
  box-shadow: var(--sbs-shadow);
  margin: 0 auto;
  width: min(320px, 100%);
}

.sbs-steps {
  display: grid;
  gap: 1rem;
  counter-reset: sbs-step;
}
.sbs-step-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: #fff;
  border-radius: var(--sbs-radius);
  border: 1px solid var(--sbs-border);
  counter-increment: sbs-step;
}
.sbs-step-item::before {
  content: counter(sbs-step);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--sbs-teal-deep);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.sbs-step-item h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.sbs-step-item p { margin: 0; font-size: 0.95rem; color: var(--sbs-muted); }

.sbs-cta-band {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: linear-gradient(135deg, var(--sbs-teal-deep), #0f766e);
  border-radius: var(--sbs-radius);
  color: #fff;
  margin-bottom: 3rem;
}
.sbs-cta-band h2 { color: #fff; margin-bottom: 0.75rem; }
.sbs-cta-band p { color: rgba(255,255,255,0.85); margin-bottom: 1.5rem; }
.sbs-btn-dl {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--sbs-coral);
  color: #fff !important;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(255, 107, 74, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.sbs-btn-dl:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 107, 74, 0.45);
  color: #fff !important;
}

.sbs-quote-panel {
  padding: 2rem;
  border-left: 4px solid var(--sbs-coral);
  background: rgba(255,255,255,0.7);
  border-radius: 0 var(--sbs-radius) var(--sbs-radius) 0;
  margin-bottom: 3rem;
  font-style: italic;
  color: var(--sbs-muted);
}

.sbs-footer {
  background: var(--sbs-teal-deep);
  color: rgba(255,255,255,0.85);
  padding: 2.5rem 1.2rem;
  text-align: center;
}
.sbs-footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  margin-bottom: 1.25rem;
}
.sbs-footer-nav a { color: rgba(255,255,255,0.9); font-weight: 500; }
.sbs-footer-nav a:hover { color: var(--sbs-coral-soft); }
.sbs-footer-copy { font-size: 0.85rem; opacity: 0.75; }

.sbs-crumb {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1rem 1.2rem 0;
  font-size: 0.9rem;
  color: var(--sbs-muted);
}
.sbs-crumb a { color: var(--sbs-teal); }
.sbs-crumb span { margin: 0 0.4rem; }

.sbs-legal { max-width: 800px; margin: 0 auto; padding: 1.5rem 1.2rem 4rem; }
.sbs-legal h1 { font-size: 1.75rem; color: var(--sbs-teal-deep); margin-bottom: 1rem; }
.sbs-legal h2 { font-size: 1.25rem; color: var(--sbs-teal-deep); margin: 2rem 0 0.75rem; }
.sbs-legal p, .sbs-legal li { margin-bottom: 0.75rem; color: var(--sbs-slate); }
.sbs-legal ul { padding-left: 1.5rem; margin-bottom: 1rem; }

.sbs-err-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.2rem;
}
.sbs-err-code {
  font-size: 5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--sbs-teal), var(--sbs-coral));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
}
.sbs-err-page h1 { font-size: 1.5rem; color: var(--sbs-teal-deep); margin-bottom: 0.75rem; }
.sbs-err-page p { color: var(--sbs-muted); margin-bottom: 1.5rem; max-width: 420px; }
.sbs-btn-home {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: var(--sbs-teal-deep);
  color: #fff !important;
  border-radius: 999px;
  font-weight: 600;
}
.sbs-btn-home:hover { background: var(--sbs-teal); color: #fff !important; }

.sbs-fade-in {
  animation: sbsFadeUp 0.6s ease both;
}
@keyframes sbsFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}