/**
 * Tutti ページ用スタイル（tutti.html から分離）
 * 合奏支援アプリ Tutti の紹介ページ
 */

/* ========== 変数・ベース ========== */
.tutti-page {
  margin: 0;
  padding: 0;
  font-family: "M PLUS Rounded 1c", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #334155;
  background: #F0F9FF;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.tutti-page a {
  color: inherit;
  text-decoration: none;
}

.tutti-page a:hover {
  text-decoration: none;
}

.tutti-container {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 24px;
}

.tutti-container-narrow {
  max-width: 896px;
}

/* ========== ヘッダー ========== */
.tutti-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  padding: 16px 24px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e0f2fe;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.tutti-header-inner {
  max-width: 1152px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.tutti-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0EA5E9;
}

.tutti-nav {
  display: none;
  gap: 32px;
  font-weight: 700;
  color: #9ca3af;
}

.tutti-nav a:hover {
  color: #0EA5E9;
}

.tutti-nav-home {
  color: #8b5cf6;
  font-weight: 800;
}

.tutti-nav-home:hover {
  color: #7c3aed;
}

.tutti-btn-dl {
  display: inline-block;
  padding: 10px 24px;
  background: #0EA5E9;
  color: #fff;
  font-weight: 700;
  border-radius: 9999px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.tutti-btn-dl:hover {
  background: #0284c7;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(14,165,233,0.2);
}

@media (min-width: 768px) {
  .tutti-header { padding: 16px 40px; }
  .tutti-logo { font-size: 1.875rem; }
  .tutti-nav { display: flex; }
}

@media (max-width: 767px) {
  .tutti-nav-home {
    display: inline-block;
    margin-bottom: 8px;
  }
  .tutti-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .tutti-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }
  .tutti-btn-dl {
    width: 100%;
    text-align: center;
  }
}

/* ========== ヒーロー ========== */
.tutti-hero {
  padding: 64px 24px 96px;
  background: #fff;
  overflow: hidden;
}

.tutti-hero-inner {
  max-width: 1152px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 64px;
}

.tutti-hero-content {
  flex: 1 1 320px;
  text-align: center;
}

.tutti-hero-badge {
  display: inline-block;
  background: #f0f9ff;
  color: #0EA5E9;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 9999px;
  border: 1px solid #e0f2fe;
  margin-bottom: 20px;
}

.tutti-hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 24px;
  color: #1f2937;
}

.tutti-hero-title-accent {
  color: #0EA5E9;
}

.tutti-hero-lead {
  font-size: 1.125rem;
  color: #6b7280;
  margin: 0 0 32px;
  line-height: 1.7;
}

.tutti-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.tutti-btn-store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 32px;
  background: #000;
  color: #ffffff;
  border-radius: 12px;
  font-weight: 700;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.tutti-btn-store:hover {
  background: #1a1a1a;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2);
}

.tutti-btn-store .tutti-icon-svg {
  fill: #ffffff;
  color: #ffffff;
}

.tutti-icon-svg {
  width: 32px;
  height: 32px;
}

.tutti-btn-label {
  font-size: 0.75rem;
  opacity: 1;
  line-height: 1.2;
  text-align: left;
  color: #ffffff;
}

.tutti-hero-trademark {
  margin: 20px 0 0;
  font-size: 0.6875rem;
  color: #9ca3af;
  line-height: 1.4;
}

.tutti-btn-label br + * { font-size: 1.125rem; font-weight: 700; }

.tutti-hero-visual {
  flex: 1 1 280px;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 90vw;
  width: 100%;
}

.tutti-hero-img {
  width: 100%;
  height: auto;
  display: block;
  filter: brightness(1.12) contrast(1.02);
}

.tutti-hero-visual .tutti-img-note {
  margin: 12px 0 0;
  font-size: 0.75rem;
  color: #6b7280;
  text-align: center;
}

@media (min-width: 480px) {
  .tutti-hero-visual { max-width: 420px; }
}

@media (min-width: 768px) {
  .tutti-hero { padding: 80px 24px 120px; }
  .tutti-hero-content { text-align: left; }
  .tutti-hero-buttons { justify-content: flex-start; }
  .tutti-hero-title { font-size: 3.75rem; }
  .tutti-hero-lead { font-size: 1.25rem; }
  .tutti-hero-visual { max-width: 560px; }
}

@media (min-width: 1024px) {
  .tutti-hero-visual { max-width: 680px; }
}

/* ========== セクション共通 ========== */
.tutti-section {
  padding: 80px 24px;
}

.tutti-section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #14B8A6;
  margin-bottom: 8px;
}

.tutti-section-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 48px;
  color: #1f2937;
  text-align: center;
}

.tutti-section-head {
  text-align: center;
  margin-bottom: 80px;
}

.tutti-section-head .tutti-section-title {
  margin: 8px 0 0;
  font-size: 1.875rem;
}

.tutti-img-note-section {
  margin: 8px 0 0;
  font-size: 0.8125rem;
  color: #6b7280;
  text-align: center;
}

@media (min-width: 768px) {
  .tutti-section-title { font-size: 2rem; }
  .tutti-section-head .tutti-section-title { font-size: 2.25rem; }
}

/* ========== 問題・カード ========== */
.tutti-problems {
  background: #F0F9FF;
}

.tutti-grid-3 {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  margin-bottom: 48px;
}

.tutti-card {
  background: #fff;
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  border: 1px solid #e0f2fe;
  transition: box-shadow 0.2s;
}

.tutti-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.tutti-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  background: #f0f9ff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0EA5E9;
}

.tutti-card-icon::before {
  content: "";
  width: 24px;
  height: 24px;
  background: currentColor;
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.tutti-icon-clock::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z'/%3E%3C/svg%3E"); }
.tutti-icon-mic::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 11a7 7 0 01-7 7m0 0a7 7 0 01-7-7m7 7v4m0 0H8m4 0h4m-4-8a3 3 0 01-3-3V5a3 3 0 116 0v6a3 3 0 01-3 3z'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 11a7 7 0 01-7 7m0 0a7 7 0 01-7-7m7 7v4m0 0H8m4 0h4m-4-8a3 3 0 01-3-3V5a3 3 0 116 0v6a3 3 0 01-3 3z'/%3E%3C/svg%3E"); }
.tutti-icon-switch::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 7h12m0 0l-4-4m4 4l-4 4m0 6H4m0 0l4 4m-4-4l4-4'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 7h12m0 0l-4-4m4 4l-4 4m0 6H4m0 0l4 4m-4-4l4-4'/%3E%3C/svg%3E"); }
.tutti-icon-music::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 19V6l12-3v13M9 19c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zm12-3c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zM9 10l12-3'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 19V6l12-3v13M9 19c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zm12-3c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zM9 10l12-3'/%3E%3C/svg%3E"); }
.tutti-icon-refresh::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15'/%3E%3C/svg%3E"); }
.tutti-icon-home::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6'/%3E%3C/svg%3E"); }
.tutti-icon-group::before { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0zm6 3a2 2 0 11-4 0 2 2 0 014 0zM7 10a2 2 0 11-4 0 2 2 0 014 0z'/%3E%3C/svg%3E"); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0zm6 3a2 2 0 11-4 0 2 2 0 014 0zM7 10a2 2 0 11-4 0 2 2 0 014 0z'/%3E%3C/svg%3E"); }

.tutti-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: #1f2937;
}

.tutti-card-desc {
  font-size: 0.875rem;
  color: #6b7280;
  margin: 0;
  line-height: 1.6;
}

.tutti-problems-cta {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1f2937;
  text-align: center;
  margin: 0;
}

.tutti-name {
  color: #0EA5E9;
  font-size: 1.875rem;
}

@media (min-width: 768px) {
  .tutti-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .tutti-section-title { font-size: 1.875rem; }
}

/* ========== 機能ブロック ========== */
.tutti-features {
  background: #fff;
}

.tutti-feature-list {
  display: flex;
  flex-direction: column;
  gap: 128px;
}

.tutti-feature {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 64px;
}

.tutti-feature-content {
  flex: 1 1 320px;
}

.tutti-feature-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.tutti-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tutti-feature .tutti-icon-clock { background: #e0f2fe; color: #0EA5E9; }
.tutti-feature .tutti-icon-music { background: #ccfbf1; color: #14B8A6; }
.tutti-feature .tutti-icon-refresh { background: #fef3c7; color: #F59E0B; }
.tutti-feature .tutti-icon-mic { background: #e0f2fe; color: #0369A1; }

.tutti-feature-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: #1f2937;
}

.tutti-feature-desc {
  font-size: 1.125rem;
  color: #6b7280;
  line-height: 1.7;
  margin: 0 0 16px;
}

.tutti-feature-note {
  background: #f0fdfa;
  padding: 20px;
  border-radius: 16px;
  border: 1px solid #99f6e4;
  font-size: 0.875rem;
  color: #374151;
  margin: 0;
}

.tutti-feature-note strong { color: #14B8A6; }

.tutti-feature-visual {
  flex: 1 1 320px;
  max-width: 384px;
}

.tutti-feature-visual img {
  width: 100%;
  height: auto;
  border-radius: 32px;
  border: 4px solid #fff;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  display: block;
}

.tutti-feature-placeholder {
  min-height: 500px;
  background: #F0F9FF;
  border-radius: 40px;
  border: 4px solid #fff;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  font-weight: 700;
  text-align: center;
}

.tutti-feature:nth-child(even) .tutti-feature-content { order: 2; }
.tutti-feature:nth-child(even) .tutti-feature-visual { order: 1; }

@media (min-width: 768px) {
  .tutti-feature:nth-child(even) .tutti-feature-content { order: 1; }
  .tutti-feature:nth-child(even) .tutti-feature-visual { order: 2; }
}

/* ========== ユースケース ========== */
.tutti-usecase {
  background: #F0F9FF;
}

.tutti-usecase .tutti-card-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
}

/* ========== FAQ ========== */
.tutti-faq {
  background: #fff;
}

.tutti-faq-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tutti-faq-item {
  background: #f9fafb;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid #f3f4f6;
}

.tutti-faq-q {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 8px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.tutti-faq-q::before {
  content: "Q.";
  color: #0EA5E9;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.tutti-faq-a {
  font-size: 1rem;
  color: #6b7280;
  margin: 0 0 0 32px;
  line-height: 1.6;
}

/* ========== フィードバック ========== */
.tutti-feedback {
  background: #f0f9ff;
}

.tutti-feedback-lead {
  font-size: 1rem;
  color: #6b7280;
  line-height: 1.7;
  margin: 0 0 40px;
  text-align: center;
}

.tutti-feedback-form-wrapper {
  background: #ffffff;
  padding: 32px;
  border-radius: 24px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border: 1px solid #bae6fd;
  text-align: left;
  margin-top: 32px;
}

.tutti-feedback-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tutti-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tutti-form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: #334155;
}

.tutti-form-select,
.tutti-form-textarea {
  width: 100%;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: #334155;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.tutti-form-select:focus,
.tutti-form-textarea:focus {
  outline: none;
  border-color: #0EA5E9;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  background: #ffffff;
}

.tutti-form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.tutti-form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%23334155' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

.tutti-btn-submit {
  width: 100%;
  background: #0EA5E9;
  color: #ffffff;
  font-weight: 700;
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
  font-family: inherit;
}

.tutti-btn-submit:hover {
  background: #0284c7;
  transform: translateY(-1px);
  box-shadow: 0 20px 25px -5px rgba(14, 165, 233, 0.2), 0 10px 10px -5px rgba(14, 165, 233, 0.1);
}

.tutti-btn-submit:active {
  transform: scale(0.98);
}

.tutti-icon-send {
  width: 20px;
  height: 20px;
}

.tutti-form-message {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  text-align: center;
  margin-bottom: 8px;
}

.tutti-form-message-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.tutti-form-message-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.tutti-btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.tutti-feedback-disclaimer {
  font-size: 0.75rem;
  color: #64748b;
  text-align: center;
  margin: 16px 0 0;
  line-height: 1.5;
}

@media (max-width: 767px) {
  .tutti-feedback-form-wrapper {
    padding: 24px;
  }
  
  .tutti-feedback-form {
    gap: 20px;
  }
}

.tutti-btn-primary {
  display: inline-block;
  padding: 16px 32px;
  background: #0EA5E9;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 12px;
  box-shadow: 0 10px 15px -3px rgba(14,165,233,0.2);
  transition: background 0.2s, transform 0.2s;
}

.tutti-btn-primary:hover {
  background: #0284c7;
  transform: translateY(-2px);
}

/* ========== フッター ========== */
.tutti-footer {
  background: #0EA5E9;
  color: #fff;
  padding: 96px 24px;
  text-align: center;
}

.tutti-footer-title {
  font-size: 1.875rem;
  font-weight: 800;
  margin: 0 0 32px;
  line-height: 1.3;
}

.tutti-footer-lead {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 48px;
  opacity: 0.95;
}

.tutti-footer-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 80px;
}

.tutti-footer .tutti-btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 40px;
  background: #ffffff;
  color: #0369A1;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 9999px;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  transition: background 0.2s, transform 0.2s;
}

.tutti-footer .tutti-btn-white:hover {
  background: #f0f9ff;
  color: #0284c7;
  transform: translateY(-2px);
}

.tutti-footer-copy {
  font-size: 0.875rem;
  opacity: 0.6;
  margin: 0;
}

.tutti-footer-legal {
  margin-top: 24px;
  font-size: 0.875rem;
}

.tutti-footer-legal a {
  color: rgba(255,255,255,0.9);
  text-decoration: underline;
}

.tutti-footer-legal a:hover {
  color: #fff;
}

@media (min-width: 768px) {
  .tutti-footer-title { font-size: 3rem; }
}