:root {
  --paper: #f7f5f0;
  --surface: #fffefa;
  --surface-muted: #ece9e2;
  --placeholder: #d7d7d7;
  --ink: #141312;
  --muted: #64605a;
  --line: #1d1b18;
  --line-soft: #d8d2c7;
  --red: #cf2528;
  --max: 1180px;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Helvetica Neue",
    Arial,
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    Meiryo,
    sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

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

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

h1,
h2,
h3,
h4,
p,
li,
span,
summary {
  overflow-wrap: anywhere;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 74px;
  padding: 0 40px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(247, 245, 240, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--line);
  background: var(--red);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.brand-copy {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #312f2b;
  font-size: 13px;
  font-weight: 800;
}

.nav a:hover {
  color: var(--red);
}

.header-cta,
.primary-action,
.secondary-action {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 18px;
  font-weight: 900;
  line-height: 1.2;
}

.header-cta,
.primary-action {
  background: var(--ink);
  color: #fff;
}

.secondary-action {
  background: transparent;
  color: var(--ink);
}

.header-cta:hover,
.primary-action:hover {
  border-color: var(--red);
  background: var(--red);
}

.secondary-action:hover {
  background: #fff;
}

.hero-section {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: #dedede;
}

.hero-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  color: rgba(20, 19, 18, 0.72);
  font-size: 12px;
  pointer-events: none;
}

.hero-grid span {
  border-right: 1px solid rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  padding: 8px 10px;
}

.hero-grid span:nth-child(4n) {
  border-right: 0;
}

.hero-grid span:nth-last-child(-n + 4) {
  border-bottom: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 48px, 980px);
  padding: 84px 0 76px;
  text-align: center;
}

.eyebrow,
.small-label {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.25;
  text-transform: uppercase;
}

.hero-inner .eyebrow {
  margin-bottom: 22px;
}

h1 {
  font-size: 58px;
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 760px;
  margin: 28px auto 0;
  color: #33302c;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.section {
  padding: 86px 34px;
}

section[id] {
  scroll-margin-top: 92px;
}

.narrow-copy,
.section-heading,
.usecase-grid,
.partner-block,
.flow-placeholder,
.step-grid,
.offer-grid,
.support-strip,
.retail-layout,
.retail-points,
.option-grid,
.gift-kit-block,
.faq-list,
.contact-layout {
  width: min(100%, var(--max));
  margin-right: auto;
  margin-left: auto;
}

.narrow-copy {
  max-width: 860px;
  text-align: center;
}

.narrow-copy p,
.section-heading p,
.partner-copy p,
.retail-layout p,
.contact-copy p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin-top: 52px;
}

.usecase-card {
  min-width: 0;
}

.usecase-card h2 {
  margin-top: 18px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.55;
  text-align: center;
}

.media-frame {
  position: relative;
  display: block;
  min-height: 180px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: #ebe7de;
}

.media-frame img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.usecase-card .media-frame {
  min-height: 0;
  aspect-ratio: 4 / 3;
}

.partner-block {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
  gap: 28px;
  align-items: stretch;
  margin-top: 70px;
  padding: 24px;
  background: var(--surface-muted);
}

.partner-media {
  min-height: 220px;
  aspect-ratio: 4 / 3;
  background-color: #fff;
}

.partner-copy {
  display: grid;
  align-content: center;
  gap: 14px;
}

.partner-copy h2 {
  max-width: 720px;
  font-size: 24px;
  line-height: 1.45;
}

.section-heading {
  max-width: 850px;
  text-align: center;
}

.section-heading.align-left {
  max-width: none;
  text-align: left;
}

.section-heading .eyebrow {
  display: block;
  margin-bottom: 12px;
}

.section-heading h2 {
  font-size: 34px;
  font-weight: 900;
  line-height: 1.35;
}

.section-heading p {
  margin-top: 18px;
}

.experience-section {
  background: #fffefa;
}

.flow-placeholder {
  min-height: 330px;
  margin: 40px auto 0;
}

.flow-media {
  min-height: 0;
  aspect-ratio: 1774 / 887;
  background: #f8f3ea;
}

.flow-media img {
  object-fit: contain;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.step-grid article,
.retail-points article {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 20px;
}

.step-number,
.retail-points span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border: 1px solid var(--red);
  border-radius: 999px;
  color: var(--red);
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
}

.step-grid h3,
.retail-points h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.45;
}

.step-grid p,
.offer-card p,
.support-strip span,
.retail-points p,
.option-card p,
.gift-kit-block p,
.faq-list p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.subsection-title {
  width: min(100%, var(--max));
  margin: 52px auto 22px;
  text-align: center;
}

.subsection-title h3 {
  font-size: 24px;
  line-height: 1.4;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.offer-card {
  min-width: 0;
}

.offer-card .media-frame {
  min-height: 230px;
  aspect-ratio: 4 / 3;
}

.offer-card h4 {
  margin-top: 16px;
  margin-bottom: 5px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.45;
}

.support-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.support-strip article {
  min-width: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.support-strip strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  line-height: 1.4;
}

.retail-section {
  background: var(--surface-muted);
}

.retail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
  gap: 34px;
  align-items: stretch;
}

.retail-media {
  min-height: 320px;
  aspect-ratio: 16 / 10;
}

.retail-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.options-section {
  background: #fffefa;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 44px;
}

.option-card {
  min-width: 0;
}

.option-card .media-frame {
  min-height: 230px;
  aspect-ratio: 4 / 3;
}

.option-card h3 {
  margin-top: 18px;
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.4;
}

.gift-kit-block {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1.58fr);
  gap: 22px;
  align-items: center;
  margin-top: 34px;
  padding: 22px;
  border: 1px solid var(--line-soft);
  background: var(--surface-muted);
}

.gift-kit-media {
  min-height: 190px;
  aspect-ratio: 4 / 3;
  background-color: #fff;
}

.gift-kit-block h3 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.45;
}

.faq-section {
  background: #fffefa;
}

.faq-list {
  max-width: 900px;
  margin-top: 38px;
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.faq-item h3 {
  padding: 20px 0;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.5;
}

.faq-list p {
  padding: 0 0 22px;
}

.contact-section {
  background: #151312;
  color: #fff;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1.22fr);
  gap: 54px;
  align-items: start;
}

.contact-copy h2 {
  margin-top: 14px;
  font-size: 34px;
  line-height: 1.35;
}

.contact-copy p {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.74);
}

.contact-form {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.contact-form label,
.contact-form fieldset {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.contact-form span,
.contact-form legend {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 12px 13px;
  outline: none;
}

.contact-form select option {
  color: var(--ink);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.44);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: #fff;
}

.split-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.check-row {
  display: flex !important;
  grid-template-columns: none;
  align-items: center;
  gap: 10px !important;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.check-row input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.form-action {
  justify-self: start;
  margin-top: 4px;
  border-color: #fff;
}

.form-status {
  min-height: 24px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 40px;
  border-top: 1px solid var(--line-soft);
  background: var(--paper);
  color: var(--muted);
  font-size: 13px;
}

.site-footer div {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer a {
  font-weight: 900;
}

@media (max-width: 1080px) {
  .site-header {
    padding: 0 24px;
  }

  .nav {
    display: none;
  }

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

  .retail-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  h1 {
    font-size: 42px;
  }

  .hero-section {
    min-height: 500px;
  }

  .section {
    padding: 66px 22px;
  }

  .hero-inner {
    width: min(100% - 32px, 760px);
  }

  .section-heading h2,
  .contact-copy h2 {
    font-size: 28px;
  }

  .partner-block,
  .gift-kit-block {
    grid-template-columns: 1fr;
  }

  .offer-grid,
  .option-grid,
  .retail-points,
  .support-strip {
    grid-template-columns: 1fr;
  }

  .support-strip {
    border-right: 0;
  }

  .split-fields {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 66px;
    padding: 0 16px;
  }

  .brand-copy {
    display: none;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
  }

  h1 {
    font-size: 34px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .usecase-grid,
  .step-grid {
    grid-template-columns: 1fr;
  }

  .media-frame {
    min-height: 160px;
  }

  .flow-placeholder {
    min-height: 0;
  }

  .site-footer {
    flex-direction: column;
    padding: 24px 22px;
  }
}