/* ============================================
   saburo.app 公式サイト 共通スタイル
   ============================================ */

:root {
  --bg: #fffaf5;
  --bg-alt: #fff3ea;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --text: #1f2937;
  --text-soft: #5b6475;
  --line: rgba(148, 163, 184, 0.24);
  --line-strong: rgba(148, 163, 184, 0.4);
  --accent: #ff6b6b;
  --accent-strong: #ff8f5a;
  --accent-purple: #8b5cf6;
  --accent-blue: #38bdf8;
  --success: #0f766e;
  --danger: #dc2626;
  --shadow: 0 24px 80px rgba(253, 116, 83, 0.12);
  --shadow-soft: 0 12px 40px rgba(15, 23, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-shell: 1160px;
  --max-legal: 860px;
  --header-height: 72px;
  --font-main: "Noto Sans JP", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font-main);
  color: var(--text);
  line-height: 1.8;
  background:
    radial-gradient(circle at top left, rgba(255, 196, 145, 0.45), transparent 30%),
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.16), transparent 24%),
    linear-gradient(180deg, #fff8f2 0%, #fff4ec 34%, #fffaf6 100%);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

a:hover {
  opacity: 0.86;
}

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

button,
input,
textarea {
  font: inherit;
}

main {
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 245, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner,
.section-shell,
.footer-inner {
  width: min(calc(100% - 32px), var(--max-shell));
  margin: 0 auto;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.logo-accent {
  color: var(--accent);
}

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 600;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero-section,
.concept-section,
.showcase-section,
.video-section,
.jonipa-section,
.gallery-section,
.features-section,
.pre-register-section {
  padding: 40px 0 0;
}

.hero-section {
  padding-top: 52px;
}

.hero-inner {
  width: min(calc(100% - 32px), var(--max-shell));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 40px;
  align-items: center;
}

.hero-copy {
  padding: 24px 0;
}

.hero-badge,
.section-kicker,
.trust-pill,
.showcase-card-tag,
.hero-phone-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-badge {
  padding: 10px 16px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 107, 107, 0.18);
  box-shadow: var(--shadow-soft);
}

.hero-title {
  margin-top: 18px;
  font-size: clamp(2.5rem, 5vw, 4.7rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  margin-top: 12px;
  font-size: clamp(1.05rem, 2.4vw, 1.55rem);
  font-weight: 700;
  color: var(--accent-purple);
}

.hero-description,
.section-heading p,
.concept-body,
.concept-caption,
.feature-card p,
.showcase-card p,
.video-card p,
.pre-register-copy p,
.footer-summary,
.footer-contact,
.footer-copy,
.faq-answer-inner,
.legal-card p,
.legal-card li {
  color: var(--text-soft);
}

.hero-description {
  margin-top: 18px;
  max-width: 640px;
  font-size: 1rem;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.96rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 14px 36px rgba(255, 107, 107, 0.24);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(148, 163, 184, 0.28);
}

.btn-block {
  width: 100%;
}

.trust-badges {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-pill {
  padding: 10px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.22);
}

.hero-status {
  min-height: 24px;
  margin-top: 18px;
  font-size: 0.86rem;
  color: var(--text-soft);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-phone-card {
  position: relative;
  width: min(100%, 420px);
  padding: 28px;
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 245, 241, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-phone-glow {
  position: absolute;
  inset: -20% auto auto -10%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  filter: blur(8px);
}

.hero-phone-label {
  position: relative;
  padding: 8px 14px;
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.1);
}

.hero-phone-title {
  position: relative;
  margin-top: 18px;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.1;
}

.hero-stack {
  position: relative;
  height: 250px;
  margin-top: 28px;
}

.hero-preview-art-card {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
}

.hero-preview-art-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #ffffff;
}

.hero-stack-card {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 190px;
  height: 250px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.58));
  border: 1px solid rgba(255,255,255,0.75);
  box-shadow: var(--shadow-soft);
}

.hero-stack-card-a {
  transform: rotate(-10deg) translate(-54px, 8px);
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.18), rgba(255,255,255,0.86));
}

.hero-stack-card-b {
  transform: rotate(6deg) translate(52px, 24px);
  background: linear-gradient(180deg, rgba(255, 107, 107, 0.2), rgba(255,255,255,0.86));
}

.hero-stack-card-c {
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.18), rgba(255,255,255,0.9));
}

.hero-phone-note {
  position: relative;
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.section-shell {
  padding: 28px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 24px;
}

.section-kicker {
  padding: 8px 14px;
  color: var(--accent);
  background: rgba(255, 107, 107, 0.1);
}

.section-heading h2,
.pre-register-copy h2,
.legal-card h1,
.legal-card h2,
.cta-card h2 {
  color: var(--text);
}

.section-heading h2,
.pre-register-copy h2 {
  margin-top: 14px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  font-weight: 900;
}

.section-heading p {
  margin-top: 10px;
  font-size: 0.98rem;
}

.section-note-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 20px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.section-note-pill,
.video-card-top,
.jonipa-preview-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
}

.section-note-pill {
  padding: 10px 14px;
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.12);
}

.section-note-text {
  flex: 1;
  min-width: 240px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.concept-card,
.pre-register-card,
.legal-card,
.cta-card {
  border-radius: var(--radius-xl);
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.concept-card {
  padding: 28px;
}

.concept-body {
  font-size: 1.02rem;
}

.concept-caption {
  margin-top: 14px;
  font-size: 0.92rem;
}

.features-grid,
.showcase-grid,
.video-grid,
.gallery-grid {
  display: grid;
  gap: 20px;
}

.features-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.showcase-card,
.video-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.feature-icon {
  font-size: 1.9rem;
}

.feature-card h3 {
  margin-top: 14px;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.35;
}

.feature-card p {
  margin-top: 10px;
  font-size: 0.92rem;
}

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

.gallery-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.showcase-card {
  overflow: hidden;
  padding: 0;
}

.showcase-card-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #f8fafc;
}

.showcase-card-body {
  padding: 18px 18px 20px;
}

.showcase-card-tag {
  padding: 6px 10px;
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.1);
}

.showcase-card h3,
.video-card h3 {
  margin-top: 12px;
  font-size: 1.06rem;
  font-weight: 800;
  line-height: 1.4;
}

.showcase-card p,
.video-card p {
  margin-top: 8px;
  font-size: 0.9rem;
}

.video-card {
  overflow: hidden;
}

.video-frame {
  border-radius: 18px;
  overflow: hidden;
  background: #0f172a;
}

.video-player {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  background: #0f172a;
}

.video-card-body {
  padding-top: 16px;
}

.video-card-top {
  padding: 7px 11px;
  color: #9a3412;
  background: rgba(251, 191, 36, 0.18);
}

.video-meta-list {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.video-meta-item {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.16);
}

.video-meta-item-prize {
  background: rgba(255, 247, 237, 0.92);
  border-color: rgba(251, 191, 36, 0.25);
}

.video-meta-label {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-soft);
}

.video-meta-item p {
  margin-top: 6px;
}

.jonipa-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.jonipa-description {
  margin-top: 14px;
  max-width: 720px;
  color: var(--text-soft);
}

.jonipa-points {
  list-style: none;
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.jonipa-point {
  padding: 15px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: var(--text);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.jonipa-side {
  display: flex;
  align-items: stretch;
}

.jonipa-preview-card {
  width: 100%;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.1), rgba(255, 255, 255, 0.86));
  border: 1px solid rgba(129, 140, 248, 0.18);
}

.jonipa-preview-badge {
  padding: 8px 12px;
  color: #4338ca;
  background: rgba(255, 255, 255, 0.9);
}

.jonipa-preview-title {
  margin-top: 16px;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.3;
}

.jonipa-preview-text {
  margin-top: 12px;
  color: var(--text-soft);
}

.jonipa-preview-media {
  margin-top: 18px;
  overflow: hidden;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(129, 140, 248, 0.12);
}

.jonipa-preview-image {
  width: 100%;
  max-height: 280px;
  display: block;
  object-fit: contain;
  background: #ffffff;
}

.jonipa-preview-card .btn {
  margin-top: 20px;
}

.gallery-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.gallery-card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
}

.gallery-card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f8fafc;
}

.gallery-card-body {
  padding: 16px 18px 18px;
}

.gallery-card-caption {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
}

.gallery-card-alt {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.section-empty {
  padding: 28px;
  border-radius: var(--radius-lg);
  color: var(--text-soft);
  background: rgba(255,255,255,0.7);
  border: 1px dashed var(--line-strong);
  text-align: center;
}

.pre-register-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 28px;
  padding: 28px;
}

.pre-register-copy {
  display: flex;
  flex-direction: column;
}

.pre-register-carousel {
  margin-bottom: 22px;
}

.pre-register-carousel-head {
  margin-bottom: 14px;
}

.pre-register-carousel-kicker {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-purple);
}

.pre-register-carousel-title {
  margin-top: 8px;
  font-size: 1.28rem;
  font-weight: 900;
  line-height: 1.35;
  color: var(--text);
}

.pre-register-carousel-description {
  margin-top: 8px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.pre-register-carousel-frame {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.pre-register-carousel-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: #f8fafc;
}

.pre-register-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.5);
  color: #ffffff;
  font-size: 1.4rem;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}

.pre-register-carousel-arrow:hover {
  background: rgba(15, 23, 42, 0.68);
  transform: translateY(-50%) scale(1.03);
}

.pre-register-carousel-arrow-prev {
  left: 14px;
}

.pre-register-carousel-arrow-next {
  right: 14px;
}

.pre-register-carousel-footer {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pre-register-carousel-meta {
  min-width: 0;
}

.pre-register-carousel-caption {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.pre-register-carousel-counter {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.pre-register-carousel-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pre-register-carousel-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.45);
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}

.pre-register-carousel-dot.is-active {
  transform: scale(1.1);
  background: var(--accent);
}

.review-notes {
  margin-top: 22px;
  padding-left: 1.2em;
}

.review-notes li {
  color: var(--text-soft);
  margin-bottom: 8px;
}

.pre-register-form {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.form-group {
  display: block;
  margin-bottom: 16px;
}

.form-group span,
.consent-row span {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  margin-top: 8px;
  min-height: 52px;
  padding: 14px 16px;
  color: var(--text);
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 16px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(255, 107, 107, 0.45);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.12);
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 10px 0 0;
}

.consent-row input {
  margin-top: 4px;
}

.consent-row span {
  font-weight: 500;
  color: var(--text-soft);
}

.form-links {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  font-size: 0.88rem;
}

.pre-register-note {
  margin-top: 14px;
  font-size: 0.85rem;
}

.form-status {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 0.9rem;
}

.form-status.success {
  color: var(--success);
  background: rgba(13, 148, 136, 0.12);
}

.form-status.error {
  color: var(--danger);
  background: rgba(220, 38, 38, 0.08);
}

.site-footer {
  padding: 60px 0 44px;
}

.footer-inner {
  display: grid;
  gap: 18px;
  padding: 28px;
  border-top: 1px solid var(--line);
}

.footer-logo {
  margin-bottom: 10px;
}

.footer-summary {
  max-width: 680px;
  font-size: 0.92rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.footer-links a {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.footer-contact,
.footer-copy {
  font-size: 0.85rem;
}

.legal-page {
  padding: 36px 0 72px;
}

.legal-card {
  width: min(calc(100% - 32px), var(--max-legal));
  margin: 0 auto;
  padding: 40px 32px;
  color: var(--text);
}

.legal-card h1 {
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1.2;
}

.legal-card .effective-date {
  margin-top: 8px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.legal-card h2 {
  margin-top: 32px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  font-size: 1.22rem;
  font-weight: 800;
  border-bottom: 2px solid rgba(255, 107, 107, 0.22);
}

.legal-card h3 {
  margin-top: 20px;
  margin-bottom: 8px;
  font-size: 1.02rem;
  font-weight: 700;
}

.legal-card p {
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.legal-card ul,
.legal-card ol {
  margin-bottom: 16px;
  padding-left: 1.4em;
}

.legal-card li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.legal-card table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.legal-card th,
.legal-card td {
  padding: 12px 14px;
  text-align: left;
  border: 1px solid rgba(148, 163, 184, 0.22);
}

.legal-card th {
  background: rgba(255, 248, 244, 0.96);
  color: var(--text);
  font-weight: 800;
}

.support-contact-box {
  margin-bottom: 28px;
  padding: 24px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.08), rgba(56, 189, 248, 0.08));
  border: 1px solid rgba(255, 107, 107, 0.16);
}

.support-contact-box .contact-label {
  font-size: 0.88rem;
  color: var(--text-soft);
}

.support-contact-box .contact-email {
  margin-top: 6px;
  font-size: 1.12rem;
  font-weight: 800;
}

.faq-item {
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  width: 100%;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  margin-left: 16px;
  font-size: 1.3rem;
  color: var(--text-soft);
}

.faq-item.open .faq-question::after {
  content: "−";
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 520px;
}

.faq-answer-inner {
  padding: 0 0 18px;
  font-size: 0.95rem;
}

.warning-box {
  margin-bottom: 24px;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(251, 146, 60, 0.12);
  border: 1px solid rgba(251, 146, 60, 0.22);
  color: #c2410c;
}

.warning-box strong {
  display: block;
  margin-bottom: 4px;
}

.delete-form {
  margin-top: 24px;
}

.delete-confirm {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--text-soft);
}

.delete-confirm input[type="checkbox"] {
  margin-top: 4px;
}

.btn-danger {
  color: #ffffff;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 14px 36px rgba(220, 38, 38, 0.2);
}

@media (max-width: 960px) {
  .hero-inner,
  .pre-register-card,
  .jonipa-card {
    grid-template-columns: 1fr;
  }

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

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

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

  .section-note-card {
    align-items: flex-start;
  }

  .pre-register-carousel-footer {
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    padding: 18px 16px 20px;
    background: rgba(255, 250, 245, 0.96);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .hero-section {
    padding-top: 36px;
  }

  .hero-title {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
  }

  .features-grid,
  .showcase-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

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

  .legal-card {
    padding: 32px 22px;
  }
}

@media (max-width: 480px) {
  .header-inner,
  .section-shell,
  .footer-inner,
  .hero-inner,
  .legal-card {
    width: min(calc(100% - 24px), var(--max-shell));
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-phone-card,
  .concept-card,
  .jonipa-card,
  .pre-register-card,
  .pre-register-form {
    padding: 22px;
  }

  .pre-register-carousel-arrow {
    width: 38px;
    height: 38px;
  }
}