:root {
  --ink: #1e2321;
  --muted: #69716d;
  --paper: #f7f6f1;
  --white: #ffffff;
  --line: #d8d8d0;
  --green: #324d44;
  --green-soft: #dfe8e1;
  --charcoal: #141816;
  --hero-image: url("assets/hero-kaigo-car.png");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.9;
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(10, 12, 11, .78), rgba(10, 12, 11, 0));
}

.site-logo {
  font-weight: 700;
  text-decoration: none;
  line-height: 1.45;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: .86rem;
}

.site-nav a {
  text-decoration: none;
  opacity: .86;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(12, 16, 14, .82), rgba(12, 16, 14, .48) 48%, rgba(12, 16, 14, .16)),
    var(--hero-image),
    linear-gradient(135deg, #252b28, #747a74);
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .2;
}

.hero__mobile-image {
  display: none;
}

.hero__inner {
  position: relative;
  width: min(920px, calc(100% - 48px));
  margin-left: clamp(24px, 7vw, 96px);
  margin-right: auto;
  padding-top: 84px;
}

.hero__kicker,
.eyebrow {
  margin: 0 0 14px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--green);
}

.hero__kicker {
  color: rgba(255,255,255,.74);
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(2.25rem, 4.3vw, 4.8rem);
  line-height: 1.18;
  font-weight: 600;
}

.hero__lead {
  max-width: 680px;
  margin: 28px 0 0;
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  color: rgba(255,255,255,.88);
}

.hero__actions,
.center-action {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.5;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

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

.button--primary {
  color: var(--ink);
  background: var(--white);
}

.button--ghost {
  color: var(--white);
  border-color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.06);
}

.button--light {
  color: var(--charcoal);
  background: var(--white);
  white-space: nowrap;
}

.button--secondary {
  color: var(--white);
  background: var(--green);
}

.button--outline {
  color: var(--green);
  border-color: var(--green);
  background: transparent;
}

.button--ghost-dark {
  color: var(--white);
  border-color: rgba(255,255,255,.46);
  background: rgba(255,255,255,.08);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  animation: reveal .9s ease forwards;
}

.reveal-1 { animation-delay: .15s; }
.reveal-2 { animation-delay: .38s; }
.reveal-3 { animation-delay: .62s; }
.reveal-4 { animation-delay: .86s; }

@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  padding: clamp(64px, 8vw, 120px) 0;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  max-width: 780px;
}

.intro-note {
  background: var(--white);
}

.trust-note {
  padding: clamp(56px, 7vw, 88px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #eef4ef;
}

.trust-note__panel {
  display: grid;
  gap: 28px;
}

.trust-note__intro {
  max-width: 820px;
}

.trust-note__intro h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.55rem, 2.7vw, 2.55rem);
  line-height: 1.42;
  font-weight: 600;
}

.trust-note__intro p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
}

.trust-note__points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.trust-note__points div {
  min-width: 0;
  padding: 20px;
  border: 1px solid rgba(50, 77, 68, .16);
  border-radius: 8px;
  background: rgba(255,255,255,.7);
}

.trust-note__points span {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font-size: .76rem;
  font-weight: 700;
}

.trust-note__points strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.trust-note__points p {
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.85;
}

.trust-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.intro-note h2,
.section-heading h2,
.check-band h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.75rem, 3vw, 3rem);
  line-height: 1.35;
  font-weight: 600;
}

.intro-note p:last-child,
.section-heading p:last-child,
.check-band p {
  max-width: 700px;
  margin: 18px 0 0;
  color: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

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

.cards {
  display: grid;
  gap: 18px;
}

.cards--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.state-card {
  min-height: 248px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  text-decoration: none;
}

.state-card span {
  display: block;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: .82rem;
}

.state-card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  line-height: 1.55;
}

.state-card p {
  margin: 0;
  color: var(--muted);
}

.check-band {
  padding: clamp(56px, 7vw, 96px) 0;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(180deg, #121715, #26312c);
  background-size: 44px 44px, auto;
}

.check-band__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
}

.check-band p {
  color: rgba(255,255,255,.76);
}

.eyebrow--light {
  color: rgba(255,255,255,.62);
}

.shelves {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.shelves a {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,.58);
  text-decoration: none;
  font-weight: 700;
}

.article-list {
  border-top: 1px solid var(--line);
}

.article-row {
  display: grid;
  grid-template-columns: minmax(220px, .65fr) 1fr;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.article-row span {
  font-weight: 700;
  font-size: 1.08rem;
}

.article-row small {
  color: var(--muted);
  font-size: .96rem;
}

.center-action {
  justify-content: center;
}

.quiet-line {
  width: min(1120px, calc(100% - 40px));
  height: 34px;
  margin: 0 auto;
  opacity: .62;
}

.quiet-line--record {
  background:
    linear-gradient(90deg, transparent 0 4%, var(--line) 4% 96%, transparent 96%),
    repeating-linear-gradient(90deg, transparent 0 38px, rgba(50,77,68,.22) 38px 39px);
  background-size: 100% 1px, auto;
  background-position: center, center;
  background-repeat: no-repeat, repeat;
}

.quiet-line--breath {
  position: relative;
}

.quiet-line--breath::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  height: 1px;
  background: var(--line);
}

.quiet-line--breath::after {
  content: "";
  position: absolute;
  left: 12%;
  top: 8px;
  width: 76%;
  height: 18px;
  background: linear-gradient(90deg, transparent 0 18%, var(--green) 18% 19%, transparent 19% 42%, var(--green) 42% 43%, transparent 43% 100%);
  opacity: .42;
}

.kaigo-cross,
.kaigo-walk {
  width: min(920px, calc(100% - 40px));
  margin: 42px auto 8px;
  color: var(--green);
  overflow: hidden;
}

.kaigo-cross svg,
.kaigo-walk svg {
  display: block;
  width: 100%;
  height: 140px;
  overflow: visible;
}

.kaigo-cross__figure,
.kaigo-walk__figure {
  transform-box: view-box;
  transform-origin: 0 0;
}

.kaigo-cross__figure {
  animation: kaigoCross 9s linear infinite;
}

.kaigo-walk__figure {
  animation: kaigoWalk 11s linear infinite;
}

.kaigo-cross__wheel {
  transform-box: fill-box;
  transform-origin: center;
  animation: kaigoSpin 1.8s linear infinite;
}

.kaigo-cross__wheel--front {
  animation-duration: .6s;
}

@keyframes kaigoCross {
  to { transform: translateX(380px); }
}

@keyframes kaigoWalk {
  to { transform: translateX(380px); }
}

@keyframes kaigoSpin {
  to { transform: rotate(360deg); }
}

.site-footer {
  padding: 42px 20px;
  color: rgba(255,255,255,.72);
  background: var(--charcoal);
  text-align: center;
}

.site-footer p {
  margin: 4px 0;
}

.article-page .hero {
  min-height: 52vh;
}

.article-page .hero h1 {
  max-width: 900px;
  font-size: clamp(2rem, 4.2vw, 4.5rem);
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(52px, 7vw, 92px) 20px;
  background: var(--paper);
}

.article-body h2 {
  margin: 44px 0 12px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.45rem, 2.5vw, 2.1rem);
  line-height: 1.45;
}

.article-body p,
.article-body li {
  color: #424944;
}

.article-body ul {
  padding-left: 1.35em;
}

.article-body h3 {
  margin: 28px 0 8px;
  font-size: 1.08rem;
  line-height: 1.6;
}

.note-box {
  margin: 36px 0;
  padding: 24px;
  border-left: 4px solid var(--green);
  background: var(--white);
}

.article-cta,
.source-box,
.related-box {
  margin: 36px 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.article-cta {
  background: #eef4ef;
}

.article-cta h2,
.source-box h2,
.related-box h2 {
  margin-top: 0;
}

.source-box li,
.related-box li {
  margin: 8px 0;
}

.checklist-body h2 {
  margin-top: 0;
}

.checklist-panel {
  margin: 28px 0;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.checklist-panel .check-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  column-gap: 12px;
  align-items: flex-start;
  width: 100%;
  padding: 12px 0;
  border-top: 1px solid #ecece5;
  color: #303733;
  line-height: 1.7;
}

.checklist-panel .check-item:first-of-type {
  border-top: 0;
}

.checklist-panel input {
  width: 18px;
  height: 18px;
  margin: .35em 0 0 0;
  accent-color: var(--green);
}

.checklist-panel .check-item span {
  display: block;
  min-width: 0;
  flex: 1 1 auto;
}

.check-action {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 6px;
  color: #33413b;
  background: var(--green-soft);
}

.action-sheet {
  margin: 36px 0;
  padding: 26px;
  border-radius: 8px;
  color: var(--white);
  background: var(--charcoal);
}

.action-sheet h2 {
  color: var(--white);
}

.action-sheet li {
  color: rgba(255,255,255,.86);
}

.next-action {
  margin: 46px 0 28px;
}

.next-action > p:not(.eyebrow) {
  color: var(--muted);
}

.action-cards {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.action-card {
  display: grid;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  text-decoration: none;
}

.action-card span {
  color: var(--green);
  font-size: .86rem;
  font-weight: 700;
}

.action-card strong {
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.6;
}

.action-card small {
  color: var(--muted);
  font-size: .9rem;
}

.action-card--urgent {
  border-color: #a7b8ad;
  background: #f1f6f2;
}

.consult-cta {
  margin: 44px 0 34px;
  padding: clamp(26px, 4vw, 38px);
  border-radius: 8px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(180deg, #111614, #26352f);
  background-size: 38px 38px, auto;
}

.consult-cta__label,
.sales-box__label {
  display: inline-flex;
  margin: 0 0 14px;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  color: rgba(255,255,255,.78);
  font-size: .76rem;
  font-weight: 700;
}

.consult-cta h2,
.sales-box h2 {
  margin-top: 0;
  color: var(--white);
}

.consult-cta p {
  color: rgba(255,255,255,.82);
}

.consult-cta__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0;
}

.consult-cta__grid div {
  padding: 16px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  background: rgba(255,255,255,.06);
}

.consult-cta__grid span,
.offer-panel span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255,255,255,.62);
  font-size: .76rem;
  font-weight: 700;
}

.consult-cta__grid strong {
  display: block;
  color: var(--white);
  line-height: 1.6;
}

.consult-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.consult-hero {
  background:
    linear-gradient(90deg, rgba(12, 16, 14, .86), rgba(12, 16, 14, .58) 52%, rgba(12, 16, 14, .22)),
    var(--hero-image),
    linear-gradient(135deg, #1c2521, #46504a);
  background-size: cover;
  background-position: center;
}

.consult-body h2 {
  margin-top: 0;
}

.offer-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 32px 0 40px;
}

.offer-panel div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.offer-panel span {
  color: var(--green);
}

.offer-panel h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.offer-panel p {
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
}

.consult-fit {
  margin: 32px 0;
  padding: 26px;
  border-left: 4px solid var(--green);
  background: var(--white);
}

.sales-box {
  margin: 38px 0 20px;
  padding: clamp(28px, 4vw, 40px);
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(180deg, #26312c, #141816);
}

.sales-box p {
  color: rgba(255,255,255,.82);
}

.consult-note {
  color: var(--muted);
  font-size: .9rem;
}

.contact-form {
  margin-top: 26px;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.contact-form label {
  display: block;
  margin: 18px 0 6px;
  color: var(--ink);
  font-weight: 700;
}

.contact-form label:first-of-type {
  margin-top: 0;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fbfaf6;
  font: inherit;
  line-height: 1.7;
}

.contact-form textarea {
  min-height: 170px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(50,77,68,.28);
  border-color: var(--green);
}

.contact-submit {
  width: 100%;
  min-height: 52px;
  margin-top: 22px;
  border: 0;
  border-radius: 6px;
  color: var(--white);
  background: var(--green);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.memo-cta {
  margin: 34px 0 0;
  padding: 28px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(180deg, #26312c, #141816);
}

.memo-cta h2 {
  color: var(--white);
}

.memo-cta p,
.memo-cta li {
  color: rgba(255,255,255,.82);
}

.memo-cta ul {
  margin-bottom: 24px;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.archive-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.archive-card h3 {
  margin: 0 0 10px;
}

.archive-card a {
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 820px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 16px 10px;
    color: var(--white);
    background: var(--charcoal);
  }

  .site-nav {
    width: 100%;
    gap: 12px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .hero {
    min-height: 0 !important;
    display: block !important;
    padding-top: 0 !important;
    background: linear-gradient(180deg, #20251f, #101412) !important;
  }

  .hero__overlay {
    display: none !important;
  }

  .hero__mobile-image {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    object-fit: contain !important;
    object-position: center center !important;
    margin: 0;
    opacity: .78;
  }

  .hero__inner {
    width: calc(100% - 32px);
    max-width: none;
    margin-left: 16px;
    margin-right: 16px;
    padding-top: 26px;
    padding-bottom: 44px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(1.58rem, 7.1vw, 2.05rem);
    line-height: 1.28;
    overflow-wrap: anywhere;
  }

  .hero__lead {
    max-width: 100%;
    font-size: .93rem;
    line-height: 1.85;
    overflow-wrap: anywhere;
  }

  .hero__actions,
  .center-action {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .cards--three,
  .shelves,
  .trust-note__points,
  .archive-grid,
  .consult-cta__grid,
  .offer-panel {
    grid-template-columns: 1fr;
  }

  .state-card {
    min-height: auto;
  }

  .check-band__inner {
    grid-template-columns: 1fr;
  }

  .checklist-panel {
    padding: 22px 20px;
  }

  .checklist-panel .check-item {
    grid-template-columns: 20px minmax(0, 1fr);
  }

  .consult-cta__actions {
    flex-direction: column;
  }

  .article-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .kaigo-cross,
  .kaigo-walk {
    width: calc(100% - 32px);
    margin-top: 30px;
  }

  .kaigo-cross svg,
  .kaigo-walk svg {
    height: 108px;
  }

  .kaigo-cross__figure {
    animation-duration: 6s;
  }

  .kaigo-walk__figure {
    animation-duration: 7.5s;
  }
}

@media (max-width: 520px) {
  .hero {
    background: linear-gradient(180deg, #20251f, #101412) !important;
  }

  .site-logo {
    font-size: .98rem;
  }

  .site-nav {
    font-size: .88rem;
  }

  .hero__kicker {
    font-size: .72rem;
  }

  .hero h1 {
    font-size: clamp(1.58rem, 7.1vw, 2.05rem);
  }
}

@media (orientation: portrait) {
  .hero {
    min-height: 0 !important;
    display: block !important;
    padding-top: 0 !important;
    background: linear-gradient(180deg, #20251f, #101412) !important;
  }

  .hero__overlay {
    display: none !important;
  }

  .hero__mobile-image {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    object-fit: contain !important;
    object-position: center center !important;
  }

  .hero h1 {
    font-size: clamp(1.58rem, 7.1vw, 2.05rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .kaigo-cross__figure,
  .kaigo-walk__figure,
  .kaigo-cross__wheel {
    animation: none;
  }

  .button {
    transition: none;
  }
}