:root {
  --koyo-lcl-navy: #062a52;
  --koyo-lcl-navy-2: #0a3b70;
  --koyo-lcl-blue: #0b67b2;
  --koyo-lcl-green-bg: #edf8f1;
  --koyo-lcl-green-line: #94cfa8;
  --koyo-lcl-green-text: #155c36;
  --koyo-lcl-ink: #102033;
  --koyo-lcl-muted: #5e6c7c;
  --koyo-lcl-line: #dbe6ee;
  --koyo-lcl-soft: #f3f7fa;
  --koyo-lcl-soft-blue: #eaf5fb;
  --koyo-lcl-warning-bg: #fff7df;
  --koyo-lcl-warning-line: #f2c766;
  --koyo-lcl-warning-text: #7a4a00;
  --koyo-lcl-danger-bg: #fff1f1;
  --koyo-lcl-danger-line: #e89999;
  --koyo-lcl-danger-text: #8b1e1e;
  --koyo-lcl-white: #ffffff;
  --koyo-lcl-shadow: 0 18px 42px rgba(9, 42, 82, 0.1);
  --koyo-lcl-radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--koyo-lcl-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.75;
  background: var(--koyo-lcl-white);
}

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

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

.koyo-lcl-container {
  width: min(calc(100% - 40px), 1180px);
  margin: 0 auto;
}

.koyo-lcl-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(219, 230, 238, 0.82);
  backdrop-filter: blur(14px);
}

.koyo-lcl-header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.koyo-lcl-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--koyo-lcl-navy);
  font-weight: 800;
  white-space: nowrap;
}

.koyo-lcl-brand-image {
  display: block;
  width: 82px;
  height: auto;
  max-height: 30px;
  object-fit: contain;
}

.koyo-lcl-brand-divider {
  width: 1px;
  height: 22px;
  background: var(--koyo-lcl-line);
}

.koyo-lcl-brand-company {
  font-size: 15px;
}

.koyo-lcl-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #24384d;
  font-size: 14px;
  font-weight: 700;
}

.koyo-lcl-nav a {
  padding: 8px 0;
}

.koyo-lcl-nav a:hover,
.koyo-lcl-nav a:focus-visible {
  color: var(--koyo-lcl-blue);
}

.koyo-lcl-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 14px !important;
  border: 1px solid #b8d2e6;
  border-radius: 6px;
  background: var(--koyo-lcl-white);
}

.koyo-lcl-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px !important;
  color: var(--koyo-lcl-white) !important;
  background: var(--koyo-lcl-navy);
  border-radius: 6px;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(6, 42, 82, 0.16);
}

.koyo-lcl-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #ffffff 0%, #f6fafc 44%, #ffffff 100%);
}

.koyo-lcl-hero {
  border-bottom: 1px solid var(--koyo-lcl-line);
}

.koyo-lcl-hero-copy {
  max-width: 940px;
  padding: 42px 0 48px;
}

.koyo-lcl-hero-copy h1 {
  margin: 0 0 18px;
  color: var(--koyo-lcl-navy);
  font-size: clamp(31px, 5vw, 56px);
  line-height: 1.18;
  letter-spacing: 0;
}

.koyo-lcl-hero-copy p {
  max-width: 860px;
  margin: 0;
  color: #34465a;
  font-size: clamp(16px, 2vw, 18px);
}

.koyo-lcl-tool {
  padding: 34px 0 58px;
}

.koyo-lcl-tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 22px;
  align-items: start;
}

.koyo-lcl-card {
  background: var(--koyo-lcl-white);
  border: 1px solid var(--koyo-lcl-line);
  border-radius: var(--koyo-lcl-radius);
  box-shadow: var(--koyo-lcl-shadow);
}

.koyo-lcl-form,
.koyo-lcl-result-card {
  padding: 22px;
}

.koyo-lcl-card-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.koyo-lcl-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  color: var(--koyo-lcl-white);
  background: var(--koyo-lcl-navy);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 900;
}

.koyo-lcl-card-head h2 {
  margin: 0 0 3px;
  color: var(--koyo-lcl-navy);
  font-size: 24px;
  line-height: 1.35;
  letter-spacing: 0;
}

.koyo-lcl-card-head p {
  margin: 0;
  color: var(--koyo-lcl-muted);
  font-size: 14px;
}

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

.koyo-lcl-field {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
  color: var(--koyo-lcl-ink);
  font-weight: 800;
}

.koyo-lcl-field span,
.koyo-lcl-condition-group legend {
  font-size: 14px;
}

.koyo-lcl-field input,
.koyo-lcl-field select,
.koyo-lcl-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  color: var(--koyo-lcl-ink);
  background: var(--koyo-lcl-white);
  border: 1px solid #cbd8e4;
  border-radius: 6px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.koyo-lcl-field input:focus,
.koyo-lcl-field select:focus,
.koyo-lcl-field textarea:focus,
.koyo-lcl-check:focus-within {
  border-color: var(--koyo-lcl-blue);
  box-shadow: 0 0 0 3px rgba(11, 103, 178, 0.13);
}

.koyo-lcl-field textarea {
  min-height: 92px;
  resize: vertical;
}

.koyo-lcl-condition-group {
  margin: 4px 0 18px;
  padding: 0;
  border: 0;
}

.koyo-lcl-condition-group legend {
  margin-bottom: 4px;
  color: var(--koyo-lcl-ink);
  font-weight: 900;
}

.koyo-lcl-help {
  margin: 0 0 10px;
  color: var(--koyo-lcl-muted);
  font-size: 13px;
}

.koyo-lcl-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.koyo-lcl-check {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 9px 11px;
  background: #fbfdff;
  border: 1px solid #d6e1eb;
  border-radius: 6px;
  cursor: pointer;
}

.koyo-lcl-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--koyo-lcl-navy);
}

.koyo-lcl-check span {
  font-size: 14px;
  font-weight: 800;
}

.koyo-lcl-error {
  margin: 0 0 14px;
  padding: 11px 12px;
  color: var(--koyo-lcl-danger-text);
  background: var(--koyo-lcl-danger-bg);
  border: 1px solid var(--koyo-lcl-danger-line);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.koyo-lcl-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  padding: 12px 18px;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.3;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.koyo-lcl-button:hover {
  transform: translateY(-1px);
}

.koyo-lcl-button-primary,
.koyo-lcl-button-mail {
  color: var(--koyo-lcl-white);
  background: var(--koyo-lcl-navy);
  box-shadow: 0 10px 22px rgba(6, 42, 82, 0.18);
}

.koyo-lcl-button-secondary {
  color: var(--koyo-lcl-navy);
  background: var(--koyo-lcl-white);
  border: 1px solid #9bb9d2;
}

.koyo-lcl-button-primary:hover,
.koyo-lcl-button-mail:hover {
  background: var(--koyo-lcl-navy-2);
}

.koyo-lcl-button[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.55;
}

.koyo-lcl-empty {
  display: grid;
  min-height: 360px;
  place-items: center;
  padding: 30px;
  color: var(--koyo-lcl-muted);
  background: var(--koyo-lcl-soft);
  border: 1px dashed #cbd8e4;
  border-radius: 6px;
  text-align: center;
}

.koyo-lcl-empty.is-hidden {
  display: none;
  min-height: 0;
  height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
}

.koyo-lcl-empty p {
  margin: 0;
}

.koyo-lcl-result-card {
  border-top: 5px solid var(--koyo-lcl-line);
}

.koyo-lcl-result-normal {
  border-top-color: var(--koyo-lcl-blue);
}

.koyo-lcl-result-warning {
  border-top-color: var(--koyo-lcl-warning-line);
}

.koyo-lcl-result-danger {
  border-top-color: var(--koyo-lcl-danger-line);
}

.koyo-lcl-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.koyo-lcl-status-grid div {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 4px;
  min-height: 82px;
  padding: 13px 14px;
  background: var(--koyo-lcl-soft-blue);
  border: 1px solid #cce3f3;
  border-radius: 6px;
}

.koyo-lcl-status-grid span {
  color: var(--koyo-lcl-muted);
  font-size: 12px;
  font-weight: 900;
}

.koyo-lcl-status-grid strong {
  align-self: center;
  color: var(--koyo-lcl-navy);
  font-size: 17px;
  line-height: 1.35;
  white-space: pre-line;
}

.koyo-lcl-result-normal .koyo-lcl-status-grid div {
  background: var(--koyo-lcl-green-bg);
  border-color: var(--koyo-lcl-green-line);
}

.koyo-lcl-result-normal .koyo-lcl-status-grid strong {
  color: var(--koyo-lcl-green-text);
}

.koyo-lcl-result-warning .koyo-lcl-status-grid div {
  background: var(--koyo-lcl-warning-bg);
  border-color: var(--koyo-lcl-warning-line);
}

.koyo-lcl-result-warning .koyo-lcl-status-grid strong {
  color: var(--koyo-lcl-warning-text);
}

.koyo-lcl-result-danger .koyo-lcl-status-grid div {
  background: var(--koyo-lcl-danger-bg);
  border-color: var(--koyo-lcl-danger-line);
}

.koyo-lcl-result-danger .koyo-lcl-status-grid strong {
  color: var(--koyo-lcl-danger-text);
}

.koyo-lcl-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--koyo-lcl-line);
  border-radius: 6px;
  overflow: hidden;
}

.koyo-lcl-summary-grid div {
  display: grid;
  gap: 2px;
  padding: 13px 14px;
  background: #fbfdff;
  border-right: 1px solid var(--koyo-lcl-line);
  border-bottom: 1px solid var(--koyo-lcl-line);
}

.koyo-lcl-summary-grid div:nth-child(2n) {
  border-right: 0;
}

.koyo-lcl-summary-grid div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.koyo-lcl-summary-grid span {
  color: var(--koyo-lcl-muted);
  font-size: 12px;
  font-weight: 800;
}

.koyo-lcl-summary-grid strong {
  color: var(--koyo-lcl-navy);
  font-size: 20px;
  line-height: 1.35;
}

.koyo-lcl-rt-note {
  margin: 14px 0;
  padding: 12px 13px;
  color: #24384d;
  background: var(--koyo-lcl-soft-blue);
  border: 1px solid #cce3f3;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.koyo-lcl-estimate-box {
  margin: 14px 0 0;
  padding: 13px 14px;
  background: #fbfdff;
  border: 1px solid var(--koyo-lcl-line);
  border-radius: 6px;
}

.koyo-lcl-estimate-box h3 {
  margin: 0 0 7px;
  color: var(--koyo-lcl-navy);
  font-size: 16px;
  line-height: 1.4;
}

.koyo-lcl-estimate-main {
  margin: 0 0 6px;
  color: var(--koyo-lcl-navy);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.45;
}

.koyo-lcl-estimate-note {
  margin: 0;
  color: var(--koyo-lcl-muted);
  font-size: 13px;
  font-weight: 700;
}

.koyo-lcl-result-normal .koyo-lcl-estimate-box {
  background: var(--koyo-lcl-green-bg);
  border-color: var(--koyo-lcl-green-line);
}

.koyo-lcl-result-normal .koyo-lcl-estimate-main {
  color: var(--koyo-lcl-green-text);
}

.koyo-lcl-result-warning .koyo-lcl-estimate-box {
  background: var(--koyo-lcl-warning-bg);
  border-color: var(--koyo-lcl-warning-line);
}

.koyo-lcl-result-warning .koyo-lcl-estimate-main {
  color: var(--koyo-lcl-warning-text);
}

.koyo-lcl-result-danger .koyo-lcl-estimate-box {
  background: var(--koyo-lcl-danger-bg);
  border-color: var(--koyo-lcl-danger-line);
}

.koyo-lcl-result-danger .koyo-lcl-estimate-main {
  color: var(--koyo-lcl-danger-text);
}

.koyo-lcl-result-section {
  margin-top: 18px;
}

.koyo-lcl-result-section h3 {
  margin: 0 0 9px;
  color: var(--koyo-lcl-navy);
  font-size: 17px;
  line-height: 1.4;
}

.koyo-lcl-result-section p {
  margin: 0;
}

.koyo-lcl-result-list,
.koyo-lcl-required-list,
.koyo-lcl-caution-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.koyo-lcl-result-list li,
.koyo-lcl-required-list li,
.koyo-lcl-caution-list li {
  position: relative;
  padding: 10px 12px 10px 34px;
  background: #fbfdff;
  border: 1px solid var(--koyo-lcl-line);
  border-radius: 6px;
  font-size: 14px;
}

.koyo-lcl-result-list li::before,
.koyo-lcl-required-list li::before,
.koyo-lcl-caution-list li::before {
  position: absolute;
  top: 12px;
  left: 13px;
  width: 8px;
  height: 8px;
  background: var(--koyo-lcl-blue);
  border-radius: 50%;
  content: "";
}

.koyo-lcl-result-warning .koyo-lcl-result-list li {
  background: var(--koyo-lcl-warning-bg);
  border-color: var(--koyo-lcl-warning-line);
}

.koyo-lcl-result-warning .koyo-lcl-result-list li::before {
  background: var(--koyo-lcl-warning-text);
}

.koyo-lcl-result-danger .koyo-lcl-result-list li {
  background: var(--koyo-lcl-danger-bg);
  border-color: var(--koyo-lcl-danger-line);
}

.koyo-lcl-result-danger .koyo-lcl-result-list li::before {
  background: var(--koyo-lcl-danger-text);
}

.koyo-lcl-caution-list li {
  color: #34465a;
  background: var(--koyo-lcl-soft);
}

.koyo-lcl-button-mail {
  margin-top: 18px;
}

.koyo-lcl-factory-cta {
  margin-top: 18px;
  padding: 16px;
  background: var(--koyo-lcl-soft-blue);
  border: 1px solid #cce3f3;
  border-radius: 6px;
}

.koyo-lcl-factory-cta h3 {
  margin: 0 0 8px;
  color: var(--koyo-lcl-navy);
  font-size: 17px;
  line-height: 1.4;
}

.koyo-lcl-factory-cta p {
  margin: 0 0 12px;
  color: #34465a;
  font-size: 14px;
  line-height: 1.65;
}

.koyo-lcl-footer {
  padding: 38px 0 28px;
  color: var(--koyo-lcl-white);
  background: var(--koyo-lcl-navy);
}

.koyo-lcl-footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.koyo-lcl-footer-brand {
  margin: 0 0 6px;
  font-weight: 900;
}

.koyo-lcl-footer-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.koyo-lcl-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-weight: 800;
}

.koyo-lcl-footer-links a:hover,
.koyo-lcl-footer-links a:focus-visible {
  color: #bfe4f7;
}

.koyo-lcl-copyright {
  width: min(calc(100% - 40px), 1180px);
  margin: 24px auto 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

@media (max-width: 920px) {
  .koyo-lcl-tool-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .koyo-lcl-container {
    width: min(calc(100% - 28px), 1180px);
  }

  .koyo-lcl-header-inner {
    min-height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px 0;
  }

  .koyo-lcl-brand {
    width: 100%;
  }

  .koyo-lcl-brand-image {
    width: 74px;
  }

  .koyo-lcl-brand-company {
    font-size: 13px;
  }

  .koyo-lcl-nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    width: 100%;
    font-size: 13px;
  }

  .koyo-lcl-nav-link,
  .koyo-lcl-nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border-radius: 6px;
  }

  .koyo-lcl-nav-link {
    border: 1px solid #b8d2e6;
    background: var(--koyo-lcl-white);
  }

  .koyo-lcl-hero-copy {
    padding: 32px 0 38px;
  }

  .koyo-lcl-tool {
    padding: 22px 0 42px;
  }

  .koyo-lcl-form,
  .koyo-lcl-result-card {
    padding: 18px;
  }

  .koyo-lcl-card-head h2 {
    font-size: 21px;
  }

  .koyo-lcl-field-grid,
  .koyo-lcl-check-grid,
  .koyo-lcl-status-grid,
  .koyo-lcl-summary-grid {
    grid-template-columns: 1fr;
  }

  .koyo-lcl-summary-grid div,
  .koyo-lcl-summary-grid div:nth-child(2n),
  .koyo-lcl-summary-grid div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--koyo-lcl-line);
  }

  .koyo-lcl-summary-grid div:last-child {
    border-bottom: 0;
  }

  .koyo-lcl-footer-inner {
    flex-direction: column;
  }

  .koyo-lcl-footer-links {
    flex-direction: column;
    gap: 8px;
  }
}