:root {
  --bg: #f4efe6;
  --paper: rgba(255, 251, 245, 0.88);
  --surface: #fffaf2;
  --ink: #182126;
  --muted: #58636b;
  --line: rgba(24, 33, 38, 0.12);
  --brand: #d95f1f;
  --brand-dark: #a74718;
  --accent: #0f5d73;
  --shadow: 0 24px 60px rgba(24, 33, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 95, 31, 0.12), transparent 28%),
    linear-gradient(180deg, #f6f0e5 0%, #f1f5f4 100%);
}

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

.container {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 32px 0 72px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(15, 93, 115, 0.92), rgba(15, 93, 115, 0.72)),
    url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1600&q=80") center/cover;
  filter: saturate(0.9);
}

.hero__inner {
  position: relative;
  min-height: auto;
  padding-top: 56px;
}

.hero__copy {
  color: #fffaf4;
  max-width: 980px;
}

.hero__logo {
  display: block;
  width: min(300px, 58vw);
  height: auto;
  margin-bottom: 20px;
  padding: 14px 18px;
  border-radius: 18px;
  background: rgba(255, 250, 244, 0.92);
}

.eyebrow {
  margin: 0 0 16px;
  font-family: "Oswald", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.cta-box h2 {
  margin: 0;
  line-height: 1.08;
}

.hero h1 {
  font-size: clamp(2.3rem, 4.1vw, 4.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: none;
  white-space: nowrap;
}

.hero h1 span {
  color: #ffd27e;
}

.lead {
  max-width: 700px;
  margin: 24px 0 0;
  font-size: 1.1rem;
  line-height: 1.9;
  color: rgba(255, 250, 244, 0.9);
}

.hero__actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

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

.button--primary:hover {
  background: var(--brand-dark);
}

.button--secondary {
  border: 1px solid rgba(255, 250, 244, 0.45);
  color: #fffaf4;
  background: rgba(255, 250, 244, 0.08);
  backdrop-filter: blur(10px);
}

.hero__panel {
  display: flex;
  justify-content: stretch;
  margin-top: 32px;
}

.process-band {
  width: 100%;
  padding: 28px 32px 32px;
  border: 1px solid rgba(255, 250, 244, 0.18);
  border-radius: 28px;
  background: rgba(255, 250, 244, 0.1);
  backdrop-filter: blur(18px);
  color: #fff;
  box-shadow: var(--shadow);
}

.process-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr) 36px minmax(0, 1fr);
  gap: 0;
  align-items: stretch;
  margin-top: 18px;
}

.upload-card__label {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.14);
  font-family: "Oswald", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.upload-card__step {
  padding: 22px 22px 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.upload-card__step h3 {
  margin: 14px 0 10px;
  font-size: 1.2rem;
  line-height: 1.4;
}

.upload-card__step p {
  margin: 0;
  line-height: 1.8;
  color: rgba(255, 250, 244, 0.86);
}

.process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  font-family: "Oswald", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.upload-card__step--one {
  background: linear-gradient(135deg, rgba(26, 110, 122, 0.92), rgba(85, 174, 188, 0.8));
}

.upload-card__step--two {
  background: linear-gradient(135deg, rgba(49, 74, 141, 0.92), rgba(105, 132, 208, 0.8));
}

.upload-card__step.accent {
  background: linear-gradient(135deg, rgba(217, 95, 31, 0.9), rgba(255, 176, 87, 0.8));
}

.upload-card__arrow {
  width: 2px;
  height: 24px;
  margin: 10px auto 0;
  background: rgba(255, 250, 244, 0.45);
}

.upload-card__arrow--horizontal {
  width: 100%;
  height: 2px;
  align-self: center;
  margin: 0;
}

.section {
  padding: 88px 0;
}

.section-heading {
  max-width: 780px;
}

.section--solution .section-heading {
  max-width: none;
}

.section--solution .section-heading h2 {
  white-space: nowrap;
}

.section--features .section-heading {
  max-width: none;
}

.section--features .section-heading h2 {
  white-space: nowrap;
}

.section-heading h2,
.cta-box h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section--problems {
  background: rgba(255, 250, 242, 0.72);
}

.issue-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.issue-card,
.feature-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.issue-card h3,
.feature-card h3,
.solution-item h3 {
  margin: 0 0 14px;
  font-size: 1.35rem;
}

.issue-card p,
.feature-card p,
.solution-item p,
.cta-box p {
  margin: 0;
  line-height: 1.9;
  color: var(--muted);
}

.solution-band {
  margin-top: 36px;
  padding: 28px 32px 32px;
  border: 1px solid rgba(255, 250, 244, 0.18);
  border-radius: 28px;
  background: rgba(255, 250, 244, 0.1);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.solution-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 250, 244, 0.14);
}

.solution-item__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--accent), #4d8da0);
  color: #fff;
  font-family: "Oswald", sans-serif;
  font-size: 2rem;
  justify-self: start;
}

.section--solution .solution-item:nth-child(1) {
  background: linear-gradient(135deg, rgba(26, 110, 122, 0.92), rgba(85, 174, 188, 0.8));
}

.section--solution .solution-item:nth-child(2) {
  background: linear-gradient(135deg, rgba(49, 74, 141, 0.92), rgba(105, 132, 208, 0.8));
}

.section--solution .solution-item:nth-child(3) {
  background: linear-gradient(135deg, rgba(217, 95, 31, 0.9), rgba(255, 176, 87, 0.8));
}

.section--solution .solution-item h3,
.section--solution .solution-item p {
  color: #fffaf4;
}

.section--solution .solution-item__number {
  background: rgba(255, 255, 255, 0.2);
}

.section--features {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 250, 242, 0.74) 100%);
}

.section--cta {
  padding-top: 24px;
  padding-bottom: 96px;
}

.cta-box {
  padding: 40px;
  border-radius: 32px;
  background: linear-gradient(135deg, #172227, #23424d);
  color: #fffaf4;
  box-shadow: var(--shadow);
}

.cta-box p {
  max-width: 760px;
  margin-top: 18px;
  color: rgba(255, 250, 244, 0.82);
}

.section--cta .cta-box p {
  max-width: none;
  white-space: nowrap;
}

.cta-box .button {
  margin-top: 28px;
}

@media (max-width: 960px) {
  .issue-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-bottom: 56px;
  }

  .hero__inner {
    min-height: auto;
    padding-top: 48px;
  }

  .hero__panel {
    justify-content: flex-start;
    margin-top: 24px;
  }

  .process-band {
    padding: 24px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .solution-band {
    padding: 24px;
  }

  .solution-list {
    grid-template-columns: 1fr;
  }

  .upload-card__arrow--horizontal {
    width: 2px;
    height: 24px;
    justify-self: center;
  }

  .hero h1 {
    white-space: normal;
  }

  .section--solution .section-heading h2 {
    white-space: normal;
  }

  .section--features .section-heading h2 {
    white-space: normal;
  }

  .section--cta .cta-box p {
    white-space: normal;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  .section,
  .section--cta {
    padding: 64px 0;
  }

  .upload-card,
  .issue-card,
  .feature-card,
  .solution-item,
  .cta-box {
    padding: 22px;
  }

  .solution-item {
    grid-template-columns: 1fr;
  }

  .solution-item__number {
    width: 72px;
    height: 72px;
    font-size: 1.6rem;
  }
}