:root {
  --ink: #242424;
  --muted: #62645f;
  --orange: #e8752a;
  --action: #b8490a;
  --warm: #faf7f2;
  --green: #285d48;
  --line-green: #06c755;
  --line-green-dark: #049f44;
  --line: #e3e3dd;
  --max: 1160px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 100px;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  font-family:
    "Noto Sans JP",
    "Hiragino Kaku Gothic ProN",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.8;
  background: #fff;
}
a {
  color: inherit;
  text-underline-offset: 3px;
}
button,
input,
textarea {
  font: inherit;
}
.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}
.narrow {
  width: min(calc(100% - 48px), 760px);
}
.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  z-index: 100;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fffffff2;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
}
.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand {
  display: inline-flex;
  line-height: 1;
}
.brand img {
  width: 120px;
  height: auto;
}
.desktop-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 14px;
}
.desktop-nav a,
.footer-links a {
  color: var(--muted);
  text-decoration: none;
}
.desktop-nav a:hover,
.footer-links a:hover {
  color: var(--ink);
}
.button {
  border: 1px solid var(--action);
  background: var(--action);
  color: #fff !important;
  text-decoration: none;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  line-height: 1.35;
  cursor: pointer;
  transition:
    background 0.18s,
    border-color 0.18s;
}
.button:hover {
  background: #913a09;
  border-color: #913a09;
}
.line-button {
  background: var(--line-green);
  border-color: var(--line-green);
  color: #101d14 !important;
}
.line-button:hover {
  background: var(--line-green-dark);
  border-color: var(--line-green-dark);
  color: #101d14 !important;
}
.button-small {
  min-height: 40px;
  font-size: 14px;
  padding: 8px 14px;
}
.button-large {
  min-height: 56px;
  padding: 13px 24px;
  font-size: 16px;
}
.menu-button,
.mobile-menu {
  display: none;
}
.hero {
  padding: 72px 0 88px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, 0.92fr);
  align-items: center;
  gap: 64px;
}
.hero-copy {
  padding: 20px 0;
}
.quiet-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--action);
  letter-spacing: 0.03em;
  margin: 0 0 16px;
}
.hero h1,
h2 {
  font-size: clamp(34px, 4vw, 60px);
  line-height: 1.28;
  letter-spacing: -0.045em;
  margin: 0;
  font-weight: 700;
}
.hero-lead {
  font-size: 18px;
  line-height: 1.9;
  margin: 28px 0 30px;
  max-width: 600px;
}
.form-note,
.contact-side-note {
  font-size: 14px;
  color: var(--muted);
  margin: 13px 0 0;
}
.hero-image {
  margin: 0;
  aspect-ratio: 7/8;
  overflow: hidden;
  background: var(--warm);
  position: relative;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-image figcaption {
  position: absolute;
  right: 8px;
  bottom: 5px;
  color: #fff;
  font-size: 14px;
  text-shadow: 0 1px 4px #000;
}
.section {
  padding: 100px 0;
}
.section-tight {
  padding-top: 88px;
}
.before-after {
  display: grid;
  grid-template-columns: 1fr 64px 1fr;
  align-items: stretch;
  margin-top: 48px;
}
.task-column {
  border-top: 2px solid var(--ink);
  padding: 20px 12px 0 0;
}
.task-column.after {
  border-color: var(--orange);
  padding-left: 12px;
  padding-right: 0;
}
.task-column h3 {
  font-size: 16px;
  margin: 0 0 13px;
}
.task-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.task-column li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.arrow-mark {
  display: grid;
  place-items: center;
  color: var(--orange);
  font-size: 25px;
}
.conversations {
  background: var(--warm);
}
.conversation-intro p:last-child {
  color: var(--muted);
  margin: 20px 0 0;
}
.conversation-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  margin-top: 50px;
}
.scenario-tabs {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border-top: 1px solid var(--line);
}
.scenario-tabs button {
  font: inherit;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 18px 4px;
  cursor: pointer;
  color: var(--muted);
}
.scenario-tabs button[aria-selected="true"] {
  font-weight: 700;
  color: var(--ink);
  padding-left: 14px;
  border-left: 3px solid var(--orange);
}
.conversation-panel {
  padding: 32px;
  background: #fff;
  min-height: 308px;
}
.example-label {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
}
.bubble {
  max-width: 78%;
  margin: 0 0 16px;
  padding: 14px 18px;
  border-radius: 14px;
  line-height: 1.7;
}
.owner {
  margin-right: auto;
  background: #eee;
}
.support {
  margin-left: auto;
  background: #f5e6dc;
}
.conversation-result {
  font-size: 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin: 22px 0 0;
}
.scope-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 96px;
}
.scope-list {
  border-top: 1px solid var(--line);
}
.scope-list article {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.scope-list h3 {
  font-size: 21px;
  margin: 0 0 8px;
}
.scope-list p {
  color: var(--muted);
  margin: 0;
}
.month-flow {
  background: var(--ink);
  color: #fff;
}
.month-flow .quiet-label {
  color: #f0a16d;
}
.workflow {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #ffffff55;
}
.workflow li {
  padding: 24px 28px 0 0;
  margin-right: 28px;
  border-right: 1px solid #ffffff55;
}
.workflow li:last-child {
  border: 0;
  margin-right: 0;
}
.workflow strong {
  display: block;
  font-size: 20px;
  margin-bottom: 12px;
}
.workflow span {
  font-size: 15px;
  color: #ffffffbf;
}
.pricing-heading {
  max-width: 760px;
}
.pricing-heading > p:last-child {
  color: var(--muted);
  margin: 22px 0 0;
}
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
  align-items: stretch;
}
.price-card {
  border: 1px solid var(--line);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border: 2px solid var(--orange);
}
.recommend {
  color: var(--action);
  font-weight: 700;
  font-size: 14px;
  margin: 0 0 10px;
}
.price-card h3 {
  font-size: 22px;
  margin: 0;
}
.plan-name {
  color: var(--muted);
  font-size: 14px;
  margin: 3px 0 20px;
}
.price {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin: 0;
  line-height: 1.15;
}
.price span,
.price small {
  font-size: 14px;
  letter-spacing: 0;
  font-weight: 400;
  margin-right: 5px;
}
.price small {
  margin-left: 4px;
}
.tax {
  font-size: 14px;
  color: var(--muted);
  margin: 5px 0 20px;
}
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  font-size: 14px;
}
.price-card li {
  padding: 7px 0;
  border-top: 1px solid var(--line);
}
.price-card li:last-child {
  border-bottom: 1px solid var(--line);
}
.price-card .button,
.price-card .text-link {
  margin-top: auto;
}
.text-link {
  color: var(--action);
  font-weight: 700;
  text-align: center;
}
.pricing-note {
  font-size: 14px;
  color: var(--muted);
  max-width: 880px;
  margin: 30px 0 0;
}
.faq {
  background: var(--warm);
}
.faq details {
  border-top: 1px solid var(--line);
  padding: 0;
}
.faq details:last-child {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  padding: 21px 38px 21px 0;
  font-weight: 700;
  position: relative;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary:after {
  content: "+";
  position: absolute;
  right: 6px;
  font-size: 25px;
  font-weight: 400;
  top: 16px;
}
.faq details[open] summary:after {
  content: "−";
}
.faq details p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 15px;
}
.contact-section {
  padding: 100px 0;
  background: #fff;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 100px;
  align-items: start;
}
.contact-grid > div > p:not(.quiet-label):not(.contact-side-note) {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 26px;
}
.contact-form {
  border-top: 2px solid var(--ink);
  padding-top: 24px;
}
.line-consult-card {
  border: 1px solid #cfe9d8;
  background: #f2fbf5;
  padding: 34px;
  border-radius: 16px;
}
.line-card-label {
  color: #087735;
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 8px;
}
.line-consult-card h3 {
  font-size: 26px;
  line-height: 1.4;
  margin: 0;
}
.contact-grid h2 {
  font-size: clamp(32px, 3.2vw, 46px);
}
.line-qr {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0 0;
}
.line-qr img {
  width: 140px;
  height: 140px;
  flex: 0 0 auto;
}
.line-qr figcaption {
  font-size: 14px;
  color: var(--muted);
}
@media (max-width: 760px) {
  .line-qr {
    display: none;
  }
}
.line-steps {
  list-style: none;
  padding: 0;
  margin: 24px 0 26px;
}
.line-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid #cfe9d8;
}
.line-steps li:last-child {
  border-bottom: 1px solid #cfe9d8;
}
.line-steps span {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--line-green);
  color: #101d14;
  font-weight: 700;
  font-size: 14px;
}
.line-steps b {
  font-size: 15px;
}
.line-add-button {
  width: 100%;
}
.line-safety,
.line-pending {
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 0;
}
.line-pending {
  color: #8d3c0e;
  font-weight: 700;
}
.email-fallback-wrap {
  max-width: 800px;
  margin-top: 44px;
}
.email-fallback {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.email-fallback summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 18px 42px 18px 0;
  font-weight: 700;
}
.email-fallback summary::-webkit-details-marker {
  display: none;
}
.email-fallback summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 11px;
  font-size: 24px;
  font-weight: 400;
}
.email-fallback[open] summary::after {
  content: "−";
}
.email-fallback .contact-form {
  margin: 0 0 28px;
}
.form-row {
  margin-bottom: 20px;
}
.form-row label {
  font-weight: 700;
  display: block;
  font-size: 14px;
  margin-bottom: 7px;
}
.form-row label b {
  font-size: 14px;
  color: var(--action);
  margin-left: 5px;
}
.form-row label span {
  font-size: 14px;
  color: var(--muted);
  font-weight: 400;
  margin-left: 5px;
}
input,
textarea {
  width: 100%;
  border: 1px solid #b8b9b4;
  border-radius: 4px;
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
}
textarea {
  resize: vertical;
}
.consent {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  font-size: 14px;
  margin: 4px 0 20px;
}
.consent input {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  flex: 0 0 auto;
}
.form-error {
  color: #a71d18;
  font-size: 14px;
  margin: 0 0 14px;
}
.form-success {
  background: #edf6f1;
  color: var(--green);
  padding: 12px;
  font-size: 14px;
  margin: 0 0 14px;
}
.form-submit {
  width: 100%;
  border-radius: 4px;
}
.site-footer {
  background: var(--ink);
  color: #ffffffb8;
  padding: 44px 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  font-size: 14px;
}
.brand-white img {
  width: 120px;
}
.footer-inner p {
  margin: 0;
}
.footer-links {
  display: flex;
  gap: 20px;
  grid-column: 2;
  grid-row: 1;
}
.company {
  grid-column: 1;
}
.copyright {
  grid-column: 2;
}
.mobile-cta {
  display: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid #e8752a;
  outline-offset: 3px;
}
.line-button:focus-visible {
  outline-color: #087735;
}
@media (max-width: 760px) {
  .container,
  .narrow {
    width: min(calc(100% - 32px), var(--max));
  }
  .desktop-nav,
  .header-cta {
    display: none;
  }
  .menu-button {
    display: flex;
    margin-left: auto;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding: 0;
  }
  .menu-button span {
    height: 2px;
    width: 22px;
    background: var(--ink);
    display: block;
    margin: auto;
  }
  .mobile-menu {
    display: block;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 12px 16px 20px;
    box-shadow: 0 8px 18px #0000000d;
  }
  .mobile-menu a:not(.button) {
    display: block;
    padding: 12px 0;
    text-decoration: none;
  }
  .mobile-menu .button {
    margin-top: 10px;
  }
  .hero {
    padding: 32px 0 64px;
  }
  .hero-grid,
  .scope-grid,
  .contact-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }
  .line-consult-card {
    padding: 26px 20px;
    border-radius: 12px;
  }
  .line-consult-card h3 {
    font-size: 22px;
  }
  .email-fallback-wrap {
    margin-top: 28px;
  }
  .hero-copy {
    padding: 0;
  }
  .hero h1,
  h2 {
    font-size: clamp(34px, 10vw, 44px);
  }
  .hero-lead {
    font-size: 16px;
    margin: 22px 0 24px;
  }
  .desktop-only {
    display: none;
  }
  .hero-image {
    width: 100%;
    aspect-ratio: 1.06;
  }
  .section {
    padding: 68px 0;
  }
  .section-tight {
    padding-top: 64px;
  }
  .before-after {
    display: block;
    margin-top: 35px;
  }
  .arrow-mark {
    height: 48px;
    transform: rotate(90deg);
  }
  .task-column,
  .task-column.after {
    padding-left: 0;
    padding-right: 0;
  }
  .conversation-layout {
    display: block;
    margin-top: 34px;
  }
  .scenario-tabs {
    display: flex;
    flex-direction: row;
    overflow: auto;
    border-top: 0;
    border-bottom: 1px solid var(--line);
    margin-bottom: 20px;
  }
  .scenario-tabs button {
    white-space: nowrap;
    padding: 12px 14px;
    border: 0;
  }
  .scenario-tabs button[aria-selected="true"] {
    padding-left: 14px;
    border-left: 0;
    border-bottom: 3px solid var(--orange);
  }
  .conversation-panel {
    padding: 24px 18px;
    min-height: 0;
  }
  .bubble {
    max-width: 92%;
    font-size: 15px;
  }
  .workflow {
    display: block;
    margin-top: 34px;
  }
  .workflow li {
    border-right: 0;
    border-bottom: 1px solid #ffffff55;
    margin: 0;
    padding: 20px 0;
  }
  .workflow li:last-child {
    border-bottom: 0;
  }
  .price-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 34px;
  }
  .price-card {
    padding: 25px 21px;
  }
  .pricing-note {
    margin-top: 24px;
  }
  .contact-section {
    padding: 68px 0 100px;
  }
  .contact-grid {
    gap: 35px;
  }
  .contact-grid > div > p:not(.quiet-label):not(.contact-side-note) {
    font-size: 16px;
    margin-top: 18px;
  }
  .footer-inner {
    display: flex;
    flex-direction: column;
    gap: 13px;
  }
  .footer-links {
    order: 3;
    flex-wrap: wrap;
    gap: 12px 18px;
  }
  .company {
    order: 4;
  }
  .copyright {
    order: 5;
  }
  .mobile-cta {
    display: flex;
    position: fixed;
    bottom: 12px;
    left: 16px;
    right: 16px;
    z-index: 15;
    box-shadow: 0 5px 16px #0003;
  }
  .mobile-cta.is-hidden {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button {
    transition: none;
  }
}
.page-shell {
  min-height: 100vh;
  background: var(--warm);
}
.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px;
}
.page-heading {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.3;
  margin: 0 0 32px;
}

.hero-plan {
  font-size: 14px;
  line-height: 1.8;
  margin: 24px 0 0;
  color: var(--muted);
}
.hero-plan strong {
  color: var(--ink);
  font-size: 18px;
}
.plan-eligibility {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 16px;
}
.flow-link {
  display: inline-block;
  margin-top: 30px;
  color: white;
  font-size: 16px;
}
.about-service {
  background: var(--warm);
}
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 100px;
  align-items: center;
}
.about-image {
  margin: 0;
  position: relative;
}
.about-image img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  object-position: center 60%;
  display: block;
}
.about-copy h2 {
  font-size: clamp(30px, 3.4vw, 44px);
}
.about-copy p {
  margin: 24px 0;
  color: var(--muted);
  max-width: 34em;
}
.hero-image figcaption,
.about-image figcaption {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 3px 8px;
  background: #242424d9;
  color: #fff;
  font-size: 14px;
  text-shadow: none;
}
[hidden] {
  display: none !important;
}
@media (max-width: 767px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-image img {
    height: 280px;
  }
  .about-copy h2 {
    font-size: 32px;
  }
  .hero-plan {
    margin-top: 20px;
  }
  .mobile-cta {
    bottom: max(12px, env(safe-area-inset-bottom));
  }
  .site-footer {
    padding-bottom: 100px;
  }
}

.pricing-scope-note {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 24px;
  color: var(--muted);
  max-width: 75em;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
