/* 1. Reset / Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-offset, 96px);
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.8;
  letter-spacing: 0.02em;
}

body,
input,
textarea,
select,
.contact__meta dd,
.site-footer__company-note,
.site-footer__nav a {
  overflow-wrap: anywhere;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=number] {
  -moz-appearance: textfield;
}

/* 2. Variables */
:root {
  --color-primary: #ff5a00;
  --color-primary-dark: #d94b00;
  --color-text: #23201f;
  --color-muted: #6d625d;
  --color-background: #f4f1ef;
  --color-surface: #ffffff;
  --color-surface-alt: #ece7e3;
  --color-surface-dark: #201d1c;
  --color-border: #d2c8c2;
  --color-line: rgba(255, 90, 0, 0.18);
  --color-focus: #ffb000;
  --color-success: #215e39;
  --color-danger: #b42318;
  --shadow-soft: 0 16px 40px rgba(33, 23, 20, 0.08);
  --shadow-strong: 0 24px 44px rgba(33, 23, 20, 0.16);
  --max-width: 1180px;
  --content-width: 720px;
  --radius-small: 12px;
  --radius-medium: 18px;
  --radius-large: 28px;
}

/* 3. Layout */
body.menu-open,
body.modal-open {
  overflow: hidden;
}

main {
  overflow: clip;
}

section {
  position: relative;
}

.section-shell,
.hero__inner,
.site-header__inner,
.site-footer__inner {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.section-anchor {
  scroll-margin-top: var(--header-offset, 96px);
}

.section-band {
  background: var(--color-surface);
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 32px;
}

.section-kicker {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  text-transform: uppercase;
}

.section-kicker--light {
  color: rgba(255, 255, 255, 0.74);
}

.section-heading h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.24;
  letter-spacing: 0.03em;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 1100;
  padding: 10px 14px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 999px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.plain-list li {
  position: relative;
  padding-left: 18px;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 1px;
  background: var(--color-primary);
}

.plain-list--columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
}

.plain-list--inline {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  transition: transform 0.22s ease, background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--color-primary);
  color: #fff;
}

.button--primary:hover,
.button--primary:focus-visible {
  background: var(--color-primary-dark);
}

.button--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: rgba(140, 32, 39, 0.3);
}

.button--light {
  background: #fff;
  color: var(--color-primary-dark);
}

.button--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-primary);
  font-weight: 700;
}

/* 4. Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(244, 241, 239, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(210, 200, 194, 0.7);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
}

.site-brand__word {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.site-header__toggle {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.site-header__toggle span {
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.site-header__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  inset: 76px 0 auto;
  background: rgba(32, 29, 28, 0.98);
  color: #fff;
  padding: 24px 16px 32px;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s ease;
}

.site-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  width: min(100%, 480px);
  display: grid;
  gap: 6px;
}

.site-nav__list a {
  display: block;
  padding: 16px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 700;
}

.site-nav__cta {
  margin-top: 6px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  text-align: center;
}

/* 5. Hero */
.hero {
  padding: 48px 0 72px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0)),
    var(--color-background);
}

.hero__inner {
  display: grid;
  gap: 32px;
  grid-template-areas:
    "content"
    "visual"
    "points";
}

.hero__content {
  display: grid;
  gap: 20px;
  grid-area: content;
}

.hero__title {
  margin: 0;
  font-size: clamp(2.1rem, 7vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: 0.03em;
}

.hero__title span,
.hero__title em {
  color: var(--color-primary);
  font-style: normal;
}

.hero__lead {
  max-width: 34rem;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.hero__actions {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.hero__actions-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-muted);
}

.hero__points {
  grid-area: points;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.hero__points li {
  padding: 10px 0 10px 18px;
  border-top: 1px solid var(--color-line);
  position: relative;
  font-weight: 700;
}

.hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero__visual {
  display: flex;
  justify-content: center;
  grid-area: visual;
}

.device-shot {
  width: min(100%, 360px);
  padding: 16px;
  background: #151414;
  border-radius: 34px;
  box-shadow: var(--shadow-strong);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.device-shot::before {
  content: "";
  display: block;
  width: 36%;
  height: 16px;
  margin: 0 auto 12px;
  border-radius: 999px;
  background: #0d0c0c;
}

/* 6. Problem */
.problem,
.comic,
.features,
.daily-flow,
.duplicate,
.customization,
.industries,
.comparison,
.developer,
.process,
.pricing,
.faq,
.contact {
  padding: 84px 0;
}

.problem__layout {
  display: grid;
  gap: 24px;
  align-items: start;
}

.problem__lead,
.problem__questions,
.problem__alert {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.problem__lead {
  padding: 28px;
  border-left: 6px solid var(--color-primary);
}

.problem__statement {
  margin: 0 0 16px;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  line-height: 1.55;
  font-weight: 800;
}

.problem__support {
  margin: 0;
  color: var(--color-muted);
}

.problem__questions {
  padding: 24px 24px 18px;
}

.problem__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: problem;
}

.problem__list li {
  counter-increment: problem;
  padding: 15px 0 15px 56px;
  border-top: 1px solid rgba(140, 32, 39, 0.12);
  position: relative;
  font-weight: 700;
}

.problem__list li:first-child {
  border-top: 0;
}

.problem__list li::before {
  content: counter(problem, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-size: 0.8rem;
  font-weight: 900;
  color: var(--color-primary);
}

.problem__alert {
  padding: 32px 24px;
  background: var(--color-primary-dark);
  color: #fff;
}

.problem__alert p {
  margin: 0;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  line-height: 1.7;
  font-weight: 700;
}

/* 7. Comic */
.comic__frame {
  display: grid;
  gap: 16px;
}

.comic__quote {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.comic__quote-main {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.25;
}

.comic__quote-sub {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* 8. Features */
.features {
  background: var(--color-background);
}

.feature {
  display: grid;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid rgba(140, 32, 39, 0.16);
}

.feature:last-child {
  border-bottom: 1px solid rgba(140, 32, 39, 0.16);
}

.feature__content {
  display: grid;
  gap: 14px;
  align-content: start;
}

.feature__number {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.feature__content h3 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.feature__items {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.feature__items li {
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(140, 32, 39, 0.18);
  font-size: 0.95rem;
}

.feature__content p:last-child {
  margin: 0;
  color: var(--color-muted);
}

/* 9. Daily Flow */
.timeline {
  display: grid;
  gap: 20px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(140, 32, 39, 0.25);
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 18px;
}

.timeline__number {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 900;
  z-index: 1;
}

.timeline__content h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
}

.timeline__content p,
.daily-flow__emphasis {
  margin: 0;
}

.daily-flow__emphasis {
  margin-top: 24px;
  padding-left: 18px;
  border-left: 4px solid var(--color-primary);
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  font-weight: 800;
}

/* 10. Duplicate Prevention */
.duplicate__grid {
  display: grid;
  gap: 24px;
}

.duplicate__text p {
  margin: 18px 0 0;
  color: var(--color-muted);
}

.state-diagram {
  display: grid;
  gap: 12px;
}

.state-diagram__item {
  padding: 22px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
}

.state-diagram__item--active {
  border-color: rgba(140, 32, 39, 0.45);
  box-shadow: var(--shadow-soft);
}

.state-diagram__label {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.state-diagram__item p {
  margin: 0;
}

.state-diagram__arrow {
  width: 1px;
  height: 30px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(140, 32, 39, 0.18), rgba(140, 32, 39, 0.65));
}

/* 11. Customization */
.customization__intro {
  max-width: var(--content-width);
  margin-bottom: 24px;
}

.customization__layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

.position-chart {
  display: grid;
  gap: 14px;
}

.position-chart__item {
  padding: 24px 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--radius-medium);
}

.position-chart__item--focus {
  background: var(--color-primary-dark);
  color: #fff;
  border-color: transparent;
  transform: translateX(10px);
}

.position-chart__title {
  display: block;
  margin-bottom: 10px;
  font-weight: 900;
  font-size: 1.08rem;
}

.position-chart__item p,
.customization__message p {
  margin: 0;
}

.customization__message {
  display: grid;
  gap: 14px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

/* 12. Industries */
.industries__list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  padding-top: 8px;
  border-top: 1px solid var(--color-line);
}

.industries__list span {
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(140, 32, 39, 0.18);
  font-size: 1rem;
  font-weight: 700;
}

.industries__note {
  margin: 22px 0 0;
  color: var(--color-muted);
  font-size: 0.94rem;
}

/* 13. Comparison */
.comparison__hint {
  margin: -8px 0 18px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.comparison__table-wrap {
  overflow-x: auto;
  padding-bottom: 8px;
}

.comparison__table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  background: var(--color-surface);
}

.comparison__table th,
.comparison__table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid rgba(210, 200, 194, 0.5);
  text-align: left;
  vertical-align: top;
}

.comparison__table thead th {
  background: #efe8e4;
  font-weight: 800;
}

.comparison__table tbody th {
  position: sticky;
  left: 0;
  background: var(--color-surface);
  z-index: 1;
}

/* 14. Developer */
.developer__grid {
  display: grid;
  gap: 28px;
}

.developer__letter {
  display: grid;
  gap: 16px;
}

.developer__letter p {
  margin: 0;
}

.developer__signature {
  margin: 24px 0 0;
  font-weight: 800;
}

/* 15. Process */
.process__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
  display: grid;
  gap: 16px;
}

.process__list li {
  counter-increment: process;
  padding: 18px 18px 18px 64px;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius-small);
  position: relative;
  min-height: 58px;
}

.process__list li::before {
  content: counter(process);
  position: absolute;
  left: 18px;
  top: 15px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-dark);
  color: #fff;
  font-weight: 900;
  display: grid;
  place-items: center;
}

.process__notes {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.process__notes li {
  padding-left: 18px;
  position: relative;
}

.process__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 1px;
  background: var(--color-primary);
}

/* 16. Pricing */
.pricing__grid {
  display: grid;
  gap: 18px;
}

.pricing__card {
  padding: 26px 22px;
  background: var(--color-surface);
  border-top: 4px solid var(--color-primary);
}

.pricing__card h3 {
  margin: 0 0 12px;
  font-size: 1.08rem;
}

.pricing__value {
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 900;
}

.pricing__text {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.pricing__text p {
  margin: 0;
}

/* 17. FAQ */
.faq__list {
  display: grid;
  gap: 12px;
}

.faq__list details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  padding: 0 18px;
}

.faq__list summary {
  list-style: none;
  padding: 18px 34px 18px 0;
  font-weight: 800;
  position: relative;
  cursor: pointer;
}

.faq__list summary::-webkit-details-marker {
  display: none;
}

.faq__list summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 13px;
  font-size: 1.4rem;
  color: var(--color-primary);
}

.faq__list details[open] summary::after {
  content: "−";
}

.faq__list details p {
  margin: 0 0 18px;
  color: var(--color-muted);
}

/* 18. Contact */
.contact__layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

.contact__lead p {
  margin: 0 0 20px;
}

.contact__meta {
  margin: 0;
  display: grid;
  gap: 14px;
}

.contact__meta div {
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

.contact__meta dt {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  text-transform: uppercase;
}

.contact__meta dd {
  margin: 6px 0 0;
  font-weight: 700;
}

.contact-form {
  padding: 26px 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  font-weight: 700;
}

.form-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(140, 32, 39, 0.08);
  color: var(--color-primary);
  font-size: 0.74rem;
  vertical-align: middle;
}

.form-tag--optional {
  background: #efebe8;
  color: var(--color-muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  background: #fff;
  padding: 14px 15px;
  border-radius: 0;
}

.contact-form textarea {
  resize: vertical;
}

.form-field--checkbox label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-field--checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.form-error {
  margin: 0;
  color: var(--color-danger);
  font-size: 0.88rem;
}

.contact-form__actions {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.contact-form__note,
.contact-form__status {
  margin: 0;
  font-size: 0.92rem;
}

.contact-form__status.is-error {
  color: var(--color-danger);
}

.contact-form__status.is-success {
  color: var(--color-success);
}

/* 19. Footer */
.site-footer {
  background: var(--color-surface-dark);
  color: rgba(255, 255, 255, 0.88);
  padding: 34px 0 120px;
}

.site-footer__inner {
  display: grid;
  gap: 18px;
}

.site-footer__company-name,
.site-footer__company-note,
.site-footer__copy {
  margin: 0;
}

.site-footer__company-note {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.9rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.site-footer__nav a {
  color: #fff;
}


.site-brand__logo {
  display: block;
  width: clamp(116px, 15vw, 148px);
  height: auto;
}

.hero__brand-logo {
  display: block;
  width: min(190px, 48vw);
  height: auto;
}

.final-cta__logo {
  display: block;
  width: min(180px, 52vw);
  height: auto;
  filter: brightness(0) invert(1);
}

.site-footer__logo {
  display: block;
  width: 150px;
  height: auto;
  margin-bottom: 14px;
  filter: brightness(0) invert(1);
}

/* 20. Modal */
.dialog {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 16px;
}

.dialog[hidden] {
  display: none;
}

.dialog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 18, 0.72);
}

.dialog__panel {
  position: relative;
  width: min(100%, 720px);
  max-height: min(92vh, 860px);
  overflow: auto;
  background: var(--color-surface);
  box-shadow: var(--shadow-strong);
}

.dialog__panel--lightbox {
  width: min(100%, 980px);
}

.dialog__header,
.dialog__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
}

.dialog__footer {
  border-top: 1px solid var(--color-border);
  border-bottom: 0;
  flex-wrap: wrap;
}

.dialog__body {
  padding: 20px;
}

.dialog__body--lightbox {
  padding: 0;
  background: #111;
}

.dialog__body--lightbox img {
  width: 100%;
  height: auto;
}

.dialog__close {
  border: 0;
  background: transparent;
  font-size: 1.8rem;
  line-height: 1;
}

.confirm-list {
  display: grid;
  gap: 12px;
}

.confirm-list__item {
  padding: 12px 0;
  border-bottom: 1px solid rgba(210, 200, 194, 0.8);
}

.confirm-list__item strong,
.confirm-list__item span {
  display: block;
}

.confirm-list__value {
  white-space: pre-line;
}

.confirm-list__item strong {
  margin-bottom: 4px;
  font-size: 0.88rem;
  color: var(--color-muted);
}

/* 21. Mobile CTA */
.mobile-cta {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 900;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mobile-cta__button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 14px 28px rgba(22, 16, 16, 0.16);
}

.mobile-cta__button--phone {
  background: #fff;
  color: var(--color-primary-dark);
}

.mobile-cta__button--phone[aria-disabled="true"] {
  opacity: 0.56;
  pointer-events: none;
}

.mobile-cta__button--contact {
  background: var(--color-primary);
  color: #fff;
}

/* 22. Animation */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 23. Responsive */
.media-slot {
  position: relative;
  aspect-ratio: 9 / 16;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(35, 32, 31, 0.08);
  border-radius: 24px;
  background: linear-gradient(180deg, #f6f2ef, #ece7e3);
}

.media-slot--wide {
  aspect-ratio: 16 / 10;
}

.media-slot--portrait {
  aspect-ratio: 4 / 5;
}

.media-slot[data-ratio="14:10"] {
  aspect-ratio: 14 / 10;
}

.media-slot[data-ratio="16:10"] {
  aspect-ratio: 16 / 10;
}

.media-slot[data-ratio="4:5"] {
  aspect-ratio: 4 / 5;
}

.media-slot__placeholder,
.media-slot__image {
  width: 100%;
  height: 100%;
}

.media-slot__placeholder {
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  color: var(--color-text);
  line-height: 1.65;
}

.media-slot__placeholder strong {
  font-size: 1rem;
}

.media-slot__placeholder span,
.media-slot__placeholder small {
  color: var(--color-muted);
}

.media-slot__image {
  object-fit: contain;
  background: #f7f4f1;
}

.legal-main {
  padding: 72px 0 48px;
}

.legal-meta {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--color-muted);
}

.manage-note {
  padding: 14px 16px;
  border: 1px solid rgba(140, 32, 39, 0.16);
  background: #f6f0ee;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.legal-stack {
  display: grid;
  gap: 18px;
}

.legal-section {
  padding: 20px 0 18px;
  border-top: 1px solid var(--color-line);
}

.legal-section h2 {
  margin: 0 0 10px;
  font-size: 1.14rem;
}

.legal-section p {
  margin: 0;
  color: var(--color-muted);
}

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

.media-slot.is-loaded .media-slot__placeholder {
  display: none;
}

.final-cta {
  padding: 84px 0;
  background: linear-gradient(180deg, rgba(255, 90, 0, 0.98), rgba(217, 75, 0, 0.99));
  color: #fff;
}

.final-cta__inner {
  display: grid;
  gap: 18px;
}

.final-cta p {
  margin: 0;
}

.final-cta__note {
  color: rgba(255, 255, 255, 0.78);
}

@media (min-width: 768px) {
  .site-header__toggle {
    display: none;
  }

  .site-nav {
    position: static;
    inset: auto;
    padding: 0;
    background: transparent;
    color: var(--color-text);
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-nav__list {
    width: auto;
    display: flex;
    align-items: center;
    gap: 18px;
  }

  .site-nav__list a {
    padding: 10px 0;
    border-bottom: 0;
    font-size: 0.95rem;
  }

  .site-nav__cta {
    margin-top: 0;
    padding: 0 18px;
    border-color: rgba(140, 32, 39, 0.25);
    color: var(--color-primary);
  }

  .hero {
    padding: 64px 0 96px;
  }

  .hero__inner,
  .problem__layout,
  .duplicate__grid,
  .customization__layout,
  .developer__grid,
  .contact__layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero__inner {
    align-items: center;
    gap: 48px;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
    grid-template-areas:
      "content visual"
      "points visual";
  }

  .feature,
  .feature.feature--reverse {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 42px;
  }

  .feature.feature--reverse .feature__media {
    order: 2;
  }

  .feature.feature--reverse .feature__content {
    order: 1;
  }

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

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

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

  .mobile-cta {
    display: none;
  }

  .site-footer {
    padding-bottom: 40px;
  }
}

@media (min-width: 1024px) {
  .section-shell,
  .hero__inner,
  .site-header__inner,
  .site-footer__inner {
    width: min(calc(100% - 56px), var(--max-width));
  }

  .problem__layout {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px 24px;
  }

  .timeline::before {
    left: 0;
    right: 0;
    top: 18px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .timeline__item {
    grid-template-columns: 1fr;
  }

  .timeline__number {
    margin-bottom: 6px;
  }

  .timeline__content {
    padding-left: 2px;
  }

  .customization__layout {
    grid-template-columns: 1.1fr 0.9fr;
  }

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

  .contact__layout {
    grid-template-columns: 0.78fr 1.22fr;
  }
}

@media (max-width: 767.98px) {
  body {
    padding-bottom: calc(92px + env(safe-area-inset-bottom, 0px));
  }

  .site-footer {
    padding-bottom: calc(136px + env(safe-area-inset-bottom, 0px));
  }
}

@media print {
  .mobile-cta,
  .site-header__toggle,
  .site-nav,
  .dialog,
  .text-button {
    display: none !important;
  }

  .site-header {
    position: static;
  }

  body,
  .site-footer {
    padding-bottom: 0;
  }
}

/* 24. Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}