:root {
  --dc-blue: #1779d2;
  --dc-blue-deep: #145da0;
  --dc-teal: #1ab8b0;

  --dc-bg: #ffffff;
  --dc-bg-soft: #f6f8fa;
  --dc-surface: #ffffff;

  --dc-text: #1f2933;
  --dc-text-soft: #667085;

  --dc-line: #e2e8f0;

  --dc-max: 1120px;
}

.dc-body {
  margin: 0;
  background: var(--dc-bg);
  color: var(--dc-text);
  font-family: "Zen Kaku Gothic New", sans-serif;
}

.dc-container {
  width: min(calc(100% - 48px), var(--dc-max));
  margin: 0 auto;
}

.dc-header {
  border-bottom: 1px solid var(--dc-line);
  background: rgba(255, 255, 255, 0.96);
}

.dc-header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.dc-parent-brand,
.dc-footer-brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
}

.dc-parent-brand-ja,
.dc-footer-brand-ja {
  font-family: "Kaisei Opti", serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #243247;
}

.dc-parent-brand-en,
.dc-footer-brand-en {
  margin-top: 2px;
  font-size: 8px;
  font-weight: 300;
  letter-spacing: 0.26em;
  color: #7c8797;
}

.dc-header-link {
  color: var(--dc-blue-deep);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.dc-hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 96px;

  background:
    radial-gradient(
      circle at 88% 8%,
      rgba(26, 184, 176, 0.14) 0%,
      rgba(23, 121, 210, 0.08) 24%,
      rgba(255, 255, 255, 0) 50%
    ),
    linear-gradient(
      180deg,
      #ffffff 0%,
      #f8fbfd 100%
    );
}

.dc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(400px, 0.82fr);
  gap: 56px;
  align-items: center;
}

.dc-product-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 36px;
}

.dc-product-icon {
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.dc-product-name {
  font-size: 32px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.dc-product-sub {
  margin-top: 4px;
  color: var(--dc-text-soft);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.dc-hero h1 {
  margin: 0;
  font-size: clamp(40px, 4.5vw, 58px);
  line-height: 1.38;
  letter-spacing: -0.035em;
  font-weight: 700;
}

.dc-hero-lead {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--dc-text-soft);
  font-size: 18px;
  line-height: 1.9;
}

.dc-trial-badge {
  margin-top: 34px;
  padding: 18px 20px;
  border: 1px solid rgba(23, 121, 210, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.86);
}

.dc-trial-badge-label {
  display: block;
  margin-bottom: 4px;
  color: var(--dc-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.dc-trial-badge strong {
  font-size: 16px;
}

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

.dc-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  box-sizing: border-box;
}

.dc-button-primary {
  color: white;
  background:
    linear-gradient(
      120deg,
      var(--dc-blue) 0%,
      var(--dc-teal) 100%
    );
  box-shadow: 0 10px 26px rgba(23, 121, 210, 0.18);
}

.dc-button-secondary {
  color: var(--dc-text);
  background: white;
  border: 1px solid var(--dc-line);
}


.dc-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.dc-app-screenshot {
  display: block;
  width: 100%;
  max-width: 476px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 20px 55px rgba(31, 41, 51, 0.16);
}

.dc-section {
  padding: 96px 0;
}

.dc-section-heading {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.dc-section-heading-left {
  margin-left: 0;
  text-align: left;
}

.dc-section-heading > span {
  display: block;
  margin-bottom: 10px;
  color: var(--dc-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.dc-section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.35;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.dc-section-heading p {
  margin: 18px 0 0;
  color: var(--dc-text-soft);
  font-size: 16px;
  line-height: 1.9;
}

.dc-problem {
  background: var(--dc-bg-soft);
}

.dc-before-after {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 28px;
  align-items: center;
}

.dc-process-card {
  min-height: 360px;
  padding: 32px;
  border: 1px solid var(--dc-line);
  border-radius: 20px;
  background: white;
  box-sizing: border-box;
}

.dc-process-label {
  margin-bottom: 20px;
  color: var(--dc-text-soft);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.dc-process-card ol {
  margin: 0;
  padding-left: 1.35em;
}

.dc-process-card li {
  padding: 8px 0;
  line-height: 1.7;
}

.dc-process-after {
  border-color: rgba(26, 184, 176, 0.30);
}

.dc-process-after .dc-process-label {
  color: var(--dc-teal);
}

.dc-process-arrow {
  color: var(--dc-blue);
  font-size: 34px;
  font-weight: 700;
}

.dc-concept {
  background: white;
}

.dc-flow {
  max-width: 980px;
  margin: 54px auto 0;

  display: grid;
  grid-template-columns: 1fr auto 180px auto 1fr;
  gap: 22px;
  align-items: center;
}

.dc-flow-box,
.dc-flow-core {
  min-height: 170px;
  padding: 24px;
  border-radius: 18px;
  box-sizing: border-box;
}

.dc-flow-box {
  border: 1px solid var(--dc-line);
  background: var(--dc-bg-soft);
}

.dc-flow-box small {
  display: block;
  color: var(--dc-text-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.dc-flow-box strong,
.dc-flow-box span {
  display: block;
}

.dc-flow-box strong {
  margin-top: 16px;
  font-size: 20px;
}

.dc-flow-box span {
  margin-top: 6px;
  color: var(--dc-text-soft);
}

.dc-flow-core {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;

  color: white;
  background:
    linear-gradient(
      135deg,
      var(--dc-blue),
      var(--dc-teal)
    );
}

.dc-flow-core img {
  width: 62px;
  height: 62px;
}

.dc-flow-core strong {
  margin-top: 12px;
  font-size: 19px;
}

.dc-flow-arrow {
  color: var(--dc-blue);
  font-size: 28px;
  font-weight: 700;
}

.dc-concept-note {
  max-width: 760px;
  margin: 28px auto 0;
  color: var(--dc-text-soft);
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}

.dc-settings {
  background: var(--dc-bg-soft);
}

.dc-settings-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
}

.dc-section-text {
  color: var(--dc-text-soft);
  font-size: 17px;
  line-height: 1.9;
}

.dc-setting-list {
  display: grid;
  gap: 14px;
}

.dc-setting-list > div {
  padding: 22px 24px;
  border: 1px solid var(--dc-line);
  border-radius: 16px;
  background: white;
}

.dc-setting-list strong,
.dc-setting-list span {
  display: block;
}

.dc-setting-list strong {
  color: var(--dc-blue-deep);
  font-size: 18px;
}

.dc-setting-list span {
  margin-top: 4px;
  color: var(--dc-text-soft);
}

.dc-usage {
  background: white;
}

.dc-step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.dc-step {
  padding: 30px;
  border-top: 3px solid var(--dc-teal);
  background: var(--dc-bg-soft);
}

.dc-step > span {
  display: block;
  color: var(--dc-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.dc-step strong {
  display: block;
  margin-top: 16px;
  font-size: 22px;
}

.dc-step p {
  margin: 10px 0 0;
  color: var(--dc-text-soft);
  line-height: 1.8;
}

.dc-trial-section {
  background: var(--dc-bg-soft);
}

.dc-trial-card {
  padding: 52px;
  border-radius: 28px;
  color: white;

  background:
    linear-gradient(
      135deg,
      #155d9f 0%,
      #1783c8 48%,
      #19aaa8 100%
    );

  box-shadow: 0 22px 60px rgba(23, 121, 210, 0.18);
}

.dc-trial-eyebrow {
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.dc-trial-copy h2 {
  margin: 10px 0 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.35;
}

.dc-trial-copy p {
  max-width: 820px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.80);
  line-height: 1.9;
}

.dc-current-pack {
  max-width: 760px;
  margin-top: 38px;

  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 22px;
  align-items: center;
}

.dc-current-pack > div {
  padding: 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
}

.dc-current-pack small,
.dc-current-pack strong {
  display: block;
}

.dc-current-pack small {
  color: rgba(255, 255, 255, 0.66);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.dc-current-pack strong {
  margin-top: 7px;
  font-size: 21px;
  line-height: 1.5;
}

.dc-current-pack > span {
  font-size: 28px;
  font-weight: 700;
}

.dc-trial-info {
  margin-top: 28px;

  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.dc-trial-info > div {
  padding: 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.10);
}

.dc-trial-info span,
.dc-trial-info strong {
  display: block;
}

.dc-trial-info span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.dc-trial-info strong {
  margin-top: 5px;
}

.dc-trial-actions {
  margin-top: 30px;
}

.dc-trial-card .dc-button-primary {
  color: var(--dc-blue-deep);
  background: white;
  box-shadow: none;
}

.dc-footer {
  padding: 40px 0;
  background: #182737;
}

.dc-footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 36px;
  align-items: end;
}

.dc-footer-brand-ja {
  color: white;
}

.dc-footer-brand-en {
  color: rgba(255, 255, 255, 0.55);
}

.dc-footer-links {
  display: flex;
  gap: 18px;
}

.dc-footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  text-decoration: none;
}

.dc-footer-copy {
  color: rgba(255, 255, 255, 0.50);
  font-size: 12px;
}



.dc-process-before .dc-manual-step {
  color: var(--dc-blue);
  font-weight: 700;
}

.dc-process-after .dc-daily-step {
  color: #c63d3d;
  font-weight: 800;
}


@media (max-width: 900px) {
  .dc-hero-grid,
  .dc-settings-grid {
    grid-template-columns: 1fr;
  }

  .dc-hero-visual {
    max-width: 640px;
  }

  .dc-flow {
    grid-template-columns: 1fr;
  }

  .dc-flow-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .dc-before-after {
    grid-template-columns: 1fr;
  }

  .dc-process-arrow {
    transform: rotate(90deg);
    text-align: center;
  }
}

@media (max-width: 700px) {
  .dc-container {
    width: min(calc(100% - 32px), var(--dc-max));
  }

  .dc-header-inner {
    min-height: 72px;
  }

  .dc-header-link {
    font-size: 12px;
  }

  .dc-parent-brand-ja {
    font-size: 15px;
  }

  .dc-parent-brand-en {
    font-size: 7px;
  }

  .dc-hero {
    padding: 64px 0 70px;
  }

  .dc-product-icon {
    width: 62px;
    height: 62px;
  }

  .dc-product-name {
    font-size: 28px;
  }

  .dc-hero h1 {
    font-size: 38px;
  }

  .dc-hero-lead {
    font-size: 16px;
  }

  .dc-section {
    padding: 72px 0;
  }

  .dc-app-actions,
  .dc-step-grid,
  .dc-trial-info {
    grid-template-columns: 1fr;
  }

  .dc-current-pack {
    grid-template-columns: 1fr;
  }

  .dc-current-pack > span {
    transform: rotate(90deg);
    text-align: center;
  }

  .dc-trial-card {
    padding: 30px 22px;
    border-radius: 22px;
  }

  .dc-footer-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .dc-footer-links {
    flex-wrap: wrap;
  }
}