/* =====================
   Reset & Base
===================== */
.sm-lp * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sm-lp {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: #2d3b35;
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
}

.sm-section-light p,
.sm-section-white p {
  color: #2d3b35;
}

/* =====================
   Hero Section
===================== */
.sm-hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a2520 0%, #2d3b35 50%, #1d2b25 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  overflow: hidden;
}

.sm-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(45, 59, 53, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(231, 56, 40, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.sm-hero-bg-text {
  position: absolute;
  font-size: clamp(80px, 20vw, 220px);
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  letter-spacing: -0.05em;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.sm-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.sm-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.sm-hero-badge::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #e73828;
  border-radius: 50%;
  animation: sm-pulse 1.5s ease-in-out infinite;
}

@keyframes sm-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.sm-hero-heading {
  font-size: clamp(32px, 5.5vw, 68px);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.sm-hero-heading span {
  background: linear-gradient(90deg, #e73828, #f29600, #e73828);
  background-size: 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: sm-gradient-shift 3s linear infinite;
}

@keyframes sm-gradient-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.sm-hero-sub {
  font-size: clamp(15px, 2vw, 20px);
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto 48px;
}

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

.sm-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #e73828, #f29600);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  padding: 18px 40px;
  border-radius: 60px;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(231,56,40,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  letter-spacing: 0.04em;
}

.sm-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(231,56,40,0.55);
  color: #fff;
  text-decoration: none;
}

.sm-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  padding: 18px 36px;
  border-radius: 60px;
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: background 0.2s, transform 0.2s;
}

.sm-btn-secondary:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-3px);
  color: #fff;
  text-decoration: none;
}

.sm-hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 64px;
  flex-wrap: wrap;
}

.sm-hero-stat {
  text-align: center;
}

.sm-hero-stat strong {
  display: block;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.sm-hero-stat span {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  margin-top: 6px;
  display: block;
}

/* =====================
   Section Common
===================== */
.sm-section {
  padding: 100px 20px;
}

.sm-section-dark {
  background: #1a2520;
  color: #fff;
}

.sm-section-light {
  background: #f2f2f2;
}

.sm-section-white {
  background: #fff;
}

.sm-container {
  max-width: 1100px;
  margin: 0 auto;
}

.sm-section-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #e73828;
  margin-bottom: 16px;
  display: block;
}

.sm-section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.sm-section-subtitle {
  font-size: 17px;
  color: #666;
  max-width: 580px;
}

.sm-section-dark .sm-section-subtitle {
  color: rgba(255,255,255,0.6);
}

.sm-text-center {
  text-align: center;
}

.sm-text-center .sm-section-subtitle {
  margin: 0 auto;
}

/* =====================
   Logos / Platform
===================== */
.sm-platforms {
  padding: 48px 20px;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}

.sm-platforms-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.sm-platforms p {
  font-size: 13px;
  color: #aaa;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin-bottom: 28px;
}

.sm-platform-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.sm-platform-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.sm-platform-item:hover {
  opacity: 1;
}

.sm-platform-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sm-platform-item span {
  font-size: 11px;
  font-weight: 700;
  color: #555;
  letter-spacing: 0.05em;
}

.icon-tiktok { background: #010101; }
.icon-instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.icon-youtube { background: #ff0000; }
.icon-x { background: #000; }
.icon-line { background: #06c755; }

/* =====================
   Problem Section
===================== */
.sm-problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.sm-problem-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.sm-problem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #e73828, #f29600);
}

.sm-problem-num {
  font-size: 56px;
  font-weight: 900;
  color: rgba(255,255,255,0.07);
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 20px;
}

.sm-problem-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.sm-problem-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* =====================
   Service Features
===================== */
.sm-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.sm-feature-card {
  background: #fff;
  border-radius: 24px;
  padding: 40px 32px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.06);
  border: 1px solid #f2f2f2;
  transition: transform 0.25s, box-shadow 0.25s;
}

.sm-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 48px rgba(45,59,53,0.12);
}

.sm-feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, #f2f2f2, #fff0ee);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
}

.sm-feature-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
  color: #2d3b35;
}

.sm-feature-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.85;
}

.sm-feature-tag {
  display: inline-block;
  background: #f2f2f2;
  color: #2d3b35;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-top: 18px;
  letter-spacing: 0.05em;
}

/* =====================
   Flow / Process
===================== */
.sm-flow-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.sm-flow {
  margin-top: 56px;
  position: relative;
}

.sm-flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sm-flow-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  align-items: flex-start;
  position: relative;
  padding-bottom: 44px;
}

.sm-flow-item:last-child {
  padding-bottom: 0;
}

.sm-flow-item::before {
  content: '';
  position: absolute;
  left: 35px;
  top: 72px;
  width: 2px;
  height: calc(100% - 72px);
  background: linear-gradient(to bottom, #f29600, #2d3b35);
}

.sm-flow-item:last-child::before {
  display: none;
}

.sm-flow-step {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f29600, #e73828);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  flex-shrink: 0;
  box-shadow: 0 6px 20px rgba(242,150,0,0.35);
}

.sm-flow-step .step-num {
  font-size: 10px;
  letter-spacing: 0.1em;
  opacity: 0.8;
}

.sm-flow-step .step-n {
  font-size: 20px;
  line-height: 1;
}

.sm-flow-content {
  padding-top: 12px;
}

.sm-flow-content h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 6px;
  color: #2d3b35;
}

.sm-flow-content p {
  font-size: 13px;
  color: #666;
  line-height: 1.85;
}

.sm-flow-duration {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #e73828;
  background: #fff5f0;
  padding: 3px 12px;
  border-radius: 100px;
  margin-top: 10px;
}

/* =====================
   Works / Portfolio
===================== */
.sm-works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 56px;
}

.sm-work-card {
  border-radius: 20px;
  overflow: hidden;
  background: #2d3b35;
  position: relative;
  aspect-ratio: 9/16;
  max-height: 420px;
  cursor: pointer;
}

.sm-work-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: transform 0.4s, opacity 0.3s;
}

.sm-work-card:hover .sm-work-thumb {
  transform: scale(1.05);
  opacity: 0.9;
}

.sm-work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.sm-work-platform {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 6px;
}

.sm-work-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.sm-work-meta {
  display: flex;
  gap: 12px;
}

.sm-work-stat {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  font-weight: 700;
}

.sm-work-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: background 0.2s;
  backdrop-filter: blur(4px);
}

.sm-work-card:hover .sm-work-play {
  background: rgba(231,56,40,0.6);
  border-color: #e73828;
}

/* =====================
   Pricing
===================== */
.sm-pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 64px;
  align-items: start;
}

.sm-plan {
  background: #fff;
  border-radius: 28px;
  padding: 40px 32px;
  border: 2px solid #f2f2f2;
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s;
}

.sm-plan:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(45,59,53,0.1);
}

.sm-plan.featured {
  background: linear-gradient(135deg, #2d3b35, #1a2520);
  border-color: #e73828;
  color: #fff;
  transform: scale(1.04);
  box-shadow: 0 20px 60px rgba(231,56,40,0.25);
}

.sm-plan.featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.sm-plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #e73828, #f29600);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 20px;
  border-radius: 100px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.sm-plan-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #999;
  margin-bottom: 8px;
}

.sm-plan.featured .sm-plan-name {
  color: rgba(255,255,255,0.6);
}

.sm-plan-price {
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
  color: #2d3b35;
  margin-bottom: 4px;
}

.sm-plan.featured .sm-plan-price {
  color: #fff;
}

.sm-plan-price sup {
  font-size: 22px;
  font-weight: 700;
  vertical-align: top;
  margin-top: 12px;
  display: inline-block;
}

.sm-plan-unit {
  font-size: 14px;
  color: #999;
  margin-bottom: 32px;
}

.sm-plan.featured .sm-plan-unit {
  color: rgba(255,255,255,0.5);
}

.sm-plan-features {
  list-style: none;
  margin-bottom: 36px;
}

.sm-plan-features li {
  font-size: 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 10px;
  color: #444;
}

.sm-plan.featured .sm-plan-features li {
  color: rgba(255,255,255,0.85);
  border-bottom-color: rgba(255,255,255,0.08);
}

.sm-plan-features li::before {
  content: '✓';
  color: #e73828;
  font-weight: 900;
  flex-shrink: 0;
}

.sm-plan-features li.disabled::before {
  content: '✕';
  color: #ccc;
}

.sm-plan-features li.disabled {
  opacity: 0.4;
}

.sm-plan .sm-btn-primary,
.sm-plan .sm-btn-outline {
  width: 100%;
  justify-content: center;
  font-size: 15px;
  padding: 16px;
}

.sm-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 2px solid #e73828;
  color: #e73828;
  font-size: 17px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 60px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s;
  letter-spacing: 0.04em;
}

.sm-btn-outline:hover {
  background: #e73828;
  color: #fff;
  transform: translateY(-2px);
  text-decoration: none;
}

/* =====================
   Testimonials
===================== */
.sm-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.sm-testimonial {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 32px;
}

.sm-testimonial-stars {
  color: #f29600;
  font-size: 18px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.sm-testimonial-text {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  line-height: 1.85;
  margin-bottom: 24px;
  font-style: italic;
}

.sm-testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sm-testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e73828, #2d3b35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.sm-testimonial-info strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.sm-testimonial-info span {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.sm-testimonial-result {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 800;
  color: #e73828;
  background: rgba(231,56,40,0.1);
  border: 1px solid rgba(231,56,40,0.2);
  padding: 4px 14px;
  border-radius: 100px;
}

/* =====================
   FAQ
===================== */
.sm-faq-list {
  max-width: 780px;
  margin: 56px auto 0;
}

.sm-faq-item {
  border-bottom: 1px solid #eee;
}

.sm-faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: #2d3b35;
  gap: 20px;
}

.sm-faq-q:hover {
  color: #e73828;
}

.sm-faq-arrow {
  font-size: 20px;
  color: #e73828;
  flex-shrink: 0;
  transition: transform 0.3s;
}

.sm-faq-item.open .sm-faq-arrow {
  transform: rotate(45deg);
}

.sm-faq-a {
  font-size: 14px;
  color: #666;
  line-height: 1.9;
  padding: 0 0 24px;
  display: none;
}

.sm-faq-item.open .sm-faq-a {
  display: block;
}

/* =====================
   CTA Section
===================== */
.sm-cta-section {
  padding: 100px 20px;
  background: linear-gradient(135deg, #1a2520 0%, #2d3b35 60%, #162018 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sm-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(231,56,40,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.sm-cta-section h2 {
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  position: relative;
}

.sm-cta-section p {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 48px;
  position: relative;
}

.sm-cta-section .sm-hero-cta {
  position: relative;
}

.sm-cta-note {
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  position: relative;
}

/* =====================
   Contact Form
===================== */
.sm-form-wrap {
  max-width: 640px;
  margin: 56px auto 0;
  background: #fff;
  border-radius: 28px;
  padding: 48px 40px;
  box-shadow: 0 12px 64px rgba(0,0,0,0.08);
}

.sm-form-row {
  margin-bottom: 20px;
}

.sm-form-row label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #2d3b35;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.sm-form-row label .required {
  color: #e73828;
  margin-left: 4px;
}

.sm-form-row input,
.sm-form-row select,
.sm-form-row textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #f2f2f2;
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  color: #2d3b35;
  background: #fafaf8;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}

.sm-form-row input:focus,
.sm-form-row select:focus,
.sm-form-row textarea:focus {
  border-color: #e73828;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(231,56,40,0.08);
}

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

.sm-form-submit {
  width: 100%;
  justify-content: center;
  font-size: 18px;
  padding: 18px;
  border: none;
  cursor: pointer;
}

.sm-form-privacy {
  text-align: center;
  font-size: 12px;
  color: #aaa;
  margin-top: 16px;
}

.sm-form-privacy a {
  color: #e73828;
}

/* =====================
   Related Articles
===================== */
.sm-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.sm-related-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s, box-shadow 0.25s;
  display: block;
}

.sm-related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(45,59,53,0.12);
  text-decoration: none;
  color: inherit;
}

.sm-related-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #e8ece9;
}

.sm-related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.sm-related-card:hover .sm-related-thumb img {
  transform: scale(1.04);
}

.sm-related-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #d5ddd8, #e8ece9);
}

.sm-related-body {
  padding: 20px 24px 24px;
}

.sm-related-date {
  font-size: 12px;
  color: #999;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.sm-related-title {
  font-size: 15px;
  font-weight: 700;
  color: #2d3b35;
  line-height: 1.6;
}

/* =====================
   Responsive
===================== */
@media (max-width: 768px) {
  .sm-section {
    padding: 72px 20px;
  }

  .sm-hero-stats {
    gap: 28px;
  }

  /* グリッド → 縦1列 */
  .sm-flow-grid,
  .sm-problem-grid,
  .sm-features-grid,
  .sm-works-grid,
  .sm-pricing-grid,
  .sm-testimonials-grid,
  .sm-related-grid {
    grid-template-columns: 1fr;
  }

  /* フロー → 縦並び */
  .sm-flow-item {
    grid-template-columns: 56px 1fr;
    gap: 16px;
  }

  .sm-flow-step {
    width: 56px;
    height: 56px;
  }

  .sm-flow-item::before {
    left: 27px;
    top: 56px;
    height: calc(100% - 56px);
  }

  .sm-plan.featured {
    transform: none;
  }

  .sm-form-wrap {
    padding: 32px 24px;
  }
}