.start-content,
.comparison-section,
.physical-qr-section {
  width: min(1110px, calc(100% - 48px));
  margin-inline: auto;
}

.start-content { padding-block: 60px 96px; }
.start-intro { margin-bottom: 40px; }
.start-intro h1 { font-size: clamp(36px, 4.2vw, 52px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -.035em; }
.start-intro p { margin: 0 0 8px; max-width: 1060px; font-size: clamp(19px, 2vw, 23px); line-height: 1.42; font-weight: 600; letter-spacing: -.025em; }
.contact-form { margin: 0 0 64px; }
.contact-form h2 { font-size: 30px; letter-spacing: -.03em; margin: 0 0 26px; }
.form-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-size: 15px; line-height: 1.4; }
.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid #929292;
  border-radius: 0;
  padding: 13px 14px;
  color: #121212;
  background: #fff;
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
}
.form-field textarea { min-height: 112px; resize: vertical; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: #717171; opacity: 1; }
.form-field input:focus,
.form-field textarea:focus { outline: 2px solid #2f5ff3; outline-offset: 3px; }
.form-field-wide { grid-column: 1 / -1; }
.contact-form .form-submit { display: block; width: 100%; border: 1px solid #2f5ff3; border-radius: 0; padding: 14px 18px; background: #3563f7; color: #fff; font: inherit; font-size: 17px; cursor: pointer; }
.contact-form .form-submit:hover { background: #194ddd; }
.contact-form .form-submit:focus-visible { outline: 2px solid #161616; outline-offset: 4px; }
.form-explanation { margin: 14px 0 0; font-size: 14px; line-height: 1.6; color: #515151; }
.form-explanation a { color: inherit; text-underline-offset: 3px; }
.form-status { margin: 12px 0 0; line-height: 1.5; font-size: 14px; }
.form-status:empty { display: none; }
.tutorial-section { margin: 0; }
.tutorial-section h2 { font-size: 30px; letter-spacing: -.03em; margin: 0 0 24px; }
.tutorial-section video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #e9ebee; border-radius: 4px; object-fit: contain; }
.tutorial-caption { color: #626262; font-size: 14px; line-height: 1.6; margin: 14px 0 0; }
.tutorial-caption a { color: inherit; text-underline-offset: 3px; }

.plan-section { padding: 74px 24px 100px; background: #2d3037; color: #fff; }
.pricing-intro { width: min(940px, 100%); margin: 0 auto 84px; text-align: center; }
.pricing-intro h1 { font-size: clamp(34px, 4.2vw, 50px); margin: 0 0 24px; line-height: 1.12; letter-spacing: -.03em; }
.pricing-intro p { font-size: clamp(20px, 2.4vw, 27px); line-height: 1.25; font-weight: 600; max-width: 590px; margin: 0 auto; letter-spacing: -.025em; }
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; width: min(880px, 100%); margin-inline: auto; }
.plan-card { background: #477bb4; border-radius: 21px; padding: 30px 38px 42px; min-height: 485px; }
.plan-card h2 { font-size: 42px; line-height: 1.15; letter-spacing: -.025em; margin: 0 0 18px; }
.plan-price { font-size: 60px; line-height: 1.15; margin: 0 0 8px; font-weight: 500; letter-spacing: -.045em; }
.plan-price small { font-size: 27px; font-weight: 600; white-space: nowrap; letter-spacing: -.035em; }
.plan-description { font-size: 20px; line-height: 1.45; margin: 0 0 25px; letter-spacing: -.025em; }
.plan-card .plan-button { display: block; text-align: center; width: 100%; padding: 9px 12px; border-radius: 9px; background: #fff; color: #386c9e; font-size: 23px; font-weight: 600; line-height: 1.25; text-decoration: none; margin-bottom: 28px; }
.plan-card .plan-button:hover { background: #ecf3ff; }
.plan-card .plan-button:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.plan-card ul { margin: 0; padding-left: 15px; font-size: 20px; line-height: 1.4; letter-spacing: -.025em; }
.plan-card li + li { margin-top: 3px; }
.plan-bonus { font-size: 20px; line-height: 1.4; margin: 0 0 4px; letter-spacing: -.025em; }
.comparison-section { padding-block: 72px 68px; }
.feature-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.feature-table th { text-align: left; }
.feature-table thead th { font-size: 29px; padding: 10px 18px 12px; border-bottom: 2px solid #161616; letter-spacing: -.03em; }
.feature-table thead th:first-child { width: 49%; }
.feature-table thead th:not(:first-child) { width: 25.5%; text-align: center; }
.feature-table tbody th { font-weight: 500; font-size: 19px; padding: 18px; letter-spacing: -.025em; }
.feature-table tbody td { text-align: center; color: #477bb4; padding: 6px 18px; font-size: 42px; line-height: 1.25; font-weight: 700; }
.feature-table tbody tr:not(:last-child) > * { border-bottom: 1px solid #dedede; }
.feature-table .not-included { font-size: 30px; }
.physical-qr-section { padding-block: 22px 96px; }
.physical-qr-section h2 { font-size: clamp(34px, 4.2vw, 50px); line-height: 1.15; letter-spacing: -.035em; margin: 0 0 12px; }
.physical-qr-section .qr-intro { font-size: clamp(22px, 2.4vw, 29px); font-weight: 600; line-height: 1.3; letter-spacing: -.025em; margin: 0 0 52px; }
.qr-specifications { padding: 44px 48px; background: #f5f5f7; border-radius: 20px; }
.qr-specifications h3 { font-size: 35px; margin: 0 0 24px; letter-spacing: -.03em; }
.specification-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 40px; margin: 0; }
.specification-list div { line-height: 1.5; font-size: 20px; }
.specification-list dt { font-weight: 600; }
.specification-list dd { margin: 0; }

@media (max-width: 760px) {
  .start-content, .comparison-section, .physical-qr-section { width: min(100% - 36px, 1110px); }
  .start-content { padding-block: 40px 62px; }
  .start-intro { margin-bottom: 32px; }
  .start-intro p { line-height: 1.45; }
  .form-fields { grid-template-columns: 1fr; gap: 22px; }
  .contact-form { margin-bottom: 48px; }
  .contact-form h2, .tutorial-section h2 { font-size: 27px; }
  .form-field-wide { grid-column: auto; }
  .plan-section { padding: 54px 20px 62px; }
  .pricing-intro { margin-bottom: 42px; }
  .pricing-intro h1 { max-width: 420px; margin-inline: auto; }
  .pricing-intro p { max-width: 370px; line-height: 1.4; }
  .plan-grid { grid-template-columns: 1fr; gap: 24px; max-width: 420px; }
  .plan-card { min-height: auto; padding: 28px 28px 38px; }
  .plan-card h2 { font-size: 38px; }
  .plan-price { font-size: 57px; }
  .plan-price small { font-size: 24px; }
  .plan-card ul { font-size: 19px; }
  .comparison-section { padding-block: 42px; }
  .feature-table thead th { font-size: 19px; padding: 12px 8px; }
  .feature-table thead th:first-child { width: 60%; }
  .feature-table thead th:not(:first-child) { width: 20%; }
  .feature-table tbody th { font-size: 15px; line-height: 1.4; padding: 16px 8px; }
  .feature-table tbody td { padding: 8px 4px; font-size: 30px; }
  .physical-qr-section { padding-block: 24px 60px; }
  .physical-qr-section .qr-intro { margin-bottom: 30px; }
  .qr-specifications { padding: 28px 24px; border-radius: 14px; }
  .qr-specifications h3 { font-size: 28px; }
  .specification-list { grid-template-columns: 1fr 1fr; gap: 20px; }
  .specification-list div { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  .start-page *, .pricing-page * { scroll-behavior: auto !important; }
}