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

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.8;
  color: #222222;
  background-color: #FFFDF7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

small {
  font-size: 0.75em;
  color: #888;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px;
}

.highlight-orange { color: #FF6A2B; }
.highlight-teal { color: #0FA89B; }
.highlight-yellow { color: #FFE100; }
.highlight-white { color: #FFFFFF; }

.big-number {
  font-size: 1.4em;
  font-weight: 900;
}

.marker {
  background: linear-gradient(transparent 60%, #FFE100 60%);
  padding: 0 2px;
}

section {
  padding: 60px 0;
}

.section-heading {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.5;
  text-align: center;
  margin-bottom: 32px;
}

.sec-fv {
  position: relative;
  padding: 40px 0 50px;
  background: linear-gradient(180deg, #FFFDF7 0%, #FFF8ED 100%);
  overflow: hidden;
}

.sec-fv-image {
  padding: 0 0 20px;
  background: #FFFDF7;
}

.sec-fv-image .container {
  padding: 0;
}

.fv-hero-img {
  width: 100%;
  height: auto;
  display: block;
}

.sec-fv-image .cta-block {
  padding: 0 20px;
  margin-top: 20px;
}

.sec-warning {
  padding: 20px 0;
  background-color: #FFF9F0;
}

.warning-box {
  border: 2px solid #E8341C;
  border-radius: 12px;
  padding: 24px 20px;
  background: #fff;
}

.warning-icon {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 8px;
}

.warning-heading {
  font-size: 1.2rem;
  font-weight: 700;
  color: #E8341C;
  text-align: center;
  margin-bottom: 12px;
}

.warning-text {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
  text-align: center;
}

.warning-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.warning-list li {
  font-size: 0.9rem;
  line-height: 1.7;
  padding: 10px 0;
  border-bottom: 1px dashed #ddd;
}

.warning-list li:last-child {
  border-bottom: none;
}

.warning-bottom {
  font-size: 0.95rem;
  line-height: 1.7;
  background: #F0FAF9;
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}

.sec-image-section {
  padding: 0 0 20px;
}

.sec-image-section .container {
  padding: 0;
}

.section-infographic {
  width: 100%;
  height: auto;
  display: block;
}

.sec-image-section .advantage-note {
  padding: 8px 20px;
  font-size: 0.75rem;
  color: #888;
}

.sec-image-section .cta-block {
  padding: 0 20px;
}

.fv-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('images/fv-bg.png') center bottom / contain no-repeat;
  opacity: 0.08;
  pointer-events: none;
}

.fv-label {
  display: inline-block;
  background: #E8341C;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.fv-heading {
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.6;
  margin-bottom: 16px;
}

.fv-heading-sub {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: #0FA89B;
  margin-top: 4px;
}

.fv-sub {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.fv-tags {
  margin-bottom: 32px;
}

.fv-tags li {
  font-size: 0.9rem;
  padding: 8px 0;
  border-bottom: 1px dashed #ddd;
  line-height: 1.5;
}

.fv-tags li:last-child {
  border-bottom: none;
}

.tag-check {
  color: #0FA89B;
  font-weight: 700;
  margin-right: 4px;
}

.cta-block {
  text-align: center;
  margin: 32px 0 16px;
}

.cta-above {
  font-size: 0.85rem;
  font-weight: 700;
  color: #E8341C;
  margin-bottom: 8px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #FF6A2B 0%, #E8341C 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 24px;
  border-radius: 50px;
  min-height: 56px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 4px 16px rgba(232, 52, 28, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-cta:active {
  transform: scale(0.97);
  box-shadow: 0 2px 8px rgba(232, 52, 28, 0.25);
}

.btn-cta-white {
  background: #fff;
  color: #E8341C;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.btn-cta-icon {
  font-size: 1.2em;
  animation: slide-right 1.5s ease-in-out infinite;
}

.cta-below {
  font-size: 0.75rem;
  color: #888;
  margin-top: 10px;
}

.pulse-animation {
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

@keyframes slide-right {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(4px); }
}

.sec-danger {
  background: #111111;
  color: #fff;
  padding: 50px 0;
}

.danger-label {
  display: inline-block;
  background: #FFE100;
  color: #111;
  font-size: 0.85rem;
  font-weight: 900;
  padding: 8px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.danger-heading {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.6;
  margin-bottom: 20px;
}

.danger-text {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.sec-offer {
  background: #FFFDF7;
  padding: 60px 0;
}

.sec-manga {
  background: #F9F6F0;
  padding: 50px 0;
}

.manga-heading {
  font-size: 1.2rem;
  margin-bottom: 24px;
}

.manga-panel-img {
  margin-bottom: 4px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.manga-panel-img img {
  width: 100%;
  height: auto;
  display: block;
}

.manga-note {
  font-size: 0.7rem;
  color: #888;
  text-align: right;
  padding: 4px 8px 8px;
  background: #fff;
}

.sec-steps {
  background: #fff;
  padding: 60px 0;
}

.sec-benefits {
  background: #F0FBF9;
  padding: 60px 0;
}

.sec-advantage {
  background: #FFFDF7;
  padding: 60px 0;
}

.advantage-note {
  font-size: 0.72rem;
  color: #888;
  margin-top: 16px;
}

.sec-urgency {
  background: linear-gradient(135deg, #FF6A2B 0%, #E8341C 100%);
  color: #fff;
  padding: 50px 0;
  text-align: center;
}

.urgency-label {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.urgency-heading {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.6;
  margin-bottom: 20px;
}

.urgency-text {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.urgency-countdown {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  padding: 20px;
  margin: 24px auto;
  max-width: 300px;
}

.countdown-label {
  font-size: 0.85rem;
  opacity: 0.8;
}

.countdown-date {
  font-size: 1.6rem;
  font-weight: 900;
  margin: 4px 0;
}

.countdown-sub {
  font-size: 0.85rem;
  opacity: 0.8;
}

.urgency-closing {
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 24px 0;
}

.sec-form {
  background: #fff;
  padding: 60px 0;
}

.form-heading {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 900;
  color: #0FA89B;
  margin-bottom: 24px;
}

.form-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
  background: #F0FBF9;
  border-radius: 12px;
  padding: 20px;
}

.form-step-item {
  text-align: center;
  padding: 8px 0;
}

.form-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #0FA89B;
  color: #fff;
  font-weight: 900;
  font-size: 0.85rem;
  border-radius: 50%;
  margin-bottom: 6px;
}

.form-step-item p {
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-step-arrow {
  color: #0FA89B;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 4px 0;
}

#diagnosis-form {
  max-width: 400px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #333;
}

.required {
  display: inline-block;
  background: #E8341C;
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

.optional {
  display: inline-block;
  background: #999;
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  font-family: 'Noto Sans JP', sans-serif;
  transition: border-color 0.2s;
  background: #FAFAFA;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #0FA89B;
  background: #fff;
}

.form-group input.error,
.form-group textarea.error {
  border-color: #E8341C;
  background: #FFF8F6;
}

.error-message {
  display: none;
  font-size: 0.75rem;
  color: #E8341C;
  margin-top: 4px;
}

.error-message.visible {
  display: block;
}

.form-hint {
  font-size: 0.72rem;
  color: #888;
  margin-top: 4px;
  display: block;
}

.btn-submit {
  display: block;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #FF6A2B 0%, #E8341C 100%);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  min-height: 56px;
  box-shadow: 0 4px 16px rgba(232, 52, 28, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  font-family: 'Noto Sans JP', sans-serif;
  margin-top: 8px;
}

.btn-submit:active {
  transform: scale(0.97);
}

.form-privacy {
  text-align: center;
  font-size: 0.72rem;
  color: #888;
  margin-top: 12px;
}

.thanks-message {
  text-align: center;
  padding: 40px 20px;
}

.thanks-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.thanks-message h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #0FA89B;
}

.thanks-message p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #555;
}

.sec-closing {
  background: #FFFDF7;
  padding: 60px 0;
  text-align: center;
}

.closing-heading {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.6;
  margin-bottom: 20px;
}

.closing-text {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.site-footer {
  background: #333;
  color: #aaa;
  padding: 30px 0;
  text-align: center;
}

.footer-links {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.75rem;
  color: #aaa;
  margin: 0 8px;
  text-decoration: underline;
}

.footer-copy {
  font-size: 0.7rem;
}

.fixed-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.97);
  border-top: 1px solid #eee;
  padding: 10px 16px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  text-align: center;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
}

.fixed-cta-bar.visible {
  transform: translateY(0);
}

.btn-cta-fixed {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FF6A2B 0%, #E8341C 100%);
  color: #fff;
  border-radius: 50px;
  padding: 10px 24px;
  min-height: 50px;
  max-width: 380px;
  margin: 0 auto;
  box-shadow: 0 4px 12px rgba(232, 52, 28, 0.3);
}

.btn-cta-fixed-sub {
  font-size: 0.65rem;
  opacity: 0.9;
}

.btn-cta-fixed-main {
  font-size: 0.9rem;
  font-weight: 700;
}

@media (min-width: 641px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 32px;
  }

  .fv-heading {
    font-size: 1.8rem;
  }

  .section-heading {
    font-size: 1.6rem;
  }

  .danger-heading {
    font-size: 1.6rem;
  }
}

.site-footer {
  padding-bottom: 100px;
}
