:root {
  --ink: #2d2d3a;
  --muted: #707080;
  --purple: #6b63b6;
  --purple-deep: #4f438f;
  --lavender: #a78bda;
  --mist: #f3f2fa;
  --paper: #fcfcfe;
  --line: rgba(45, 45, 58, 0.12);
  --content: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  width: min(calc(100% - 64px), var(--content));
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.brand img,
.footer-brand img {
  width: 44px;
  height: 46px;
  object-fit: cover;
  object-position: top;
}

.site-header nav {
  display: flex;
  gap: 36px;
}

.site-header nav a {
  position: relative;
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.06em;
}

.site-header nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: var(--purple);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-header nav a:hover::after,
.site-header nav a:focus-visible::after,
.site-header nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 130px max(32px, calc((100vw - var(--content)) / 2)) 80px;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.94), rgba(243, 242, 250, 0.8)),
    var(--mist);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: 100%;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--purple);
  font-family: "Inter", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.24em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.hero-lead {
  max-width: 740px;
  margin: 32px 0 40px;
  color: var(--muted);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  overflow-wrap: anywhere;
}

.text-link,
.notice-link a {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  color: var(--purple-deep);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.text-link span,
.notice-link a span {
  transition: transform 180ms ease;
}

.text-link:hover span,
.notice-link a:hover span {
  transform: translateX(5px);
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(2px);
}

.hero-glow-one {
  top: -180px;
  right: -100px;
  width: 580px;
  height: 580px;
  background: rgba(167, 139, 218, 0.18);
}

.hero-glow-two {
  right: 27%;
  bottom: -300px;
  width: 520px;
  height: 520px;
  background: rgba(107, 99, 182, 0.11);
}

.section {
  width: min(calc(100% - 64px), var(--content));
  margin: 0 auto;
  padding: 140px 0;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: 0.08em;
}

.about-visual {
  position: relative;
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: stretch;
  background: #f8f5ef;
}

.about-visual-image {
  min-height: 680px;
  background: url("assets/brand-concept.webp") center / cover no-repeat;
}

.about-panel {
  align-self: center;
  margin: 64px 7vw 64px -80px;
  padding: 64px;
  background: rgba(252, 252, 254, 0.96);
  box-shadow: 0 24px 70px rgba(45, 45, 58, 0.08);
}

.about-panel h2 {
  margin: 0 0 34px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: 0.08em;
}

.about-lead {
  margin: 0;
  font-size: clamp(1.08rem, 1.7vw, 1.32rem);
  line-height: 2.1;
}

.about-detail {
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 2;
}

.services {
  padding: 140px max(32px, calc((100vw - var(--content)) / 2));
  color: white;
  background: var(--ink);
}

.services-inner {
  width: min(100%, var(--content));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.services-heading {
  grid-column: 1 / -1;
  margin-bottom: 64px;
}

.services-heading h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: 0.08em;
}

.section-description {
  max-width: 720px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
}

.service-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 38px;
  background: rgba(255, 255, 255, 0.06);
  border-top: 2px solid var(--lavender);
}

.service-card h3 {
  margin: 0 0 24px;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: 0.06em;
}

.service-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  margin-top: auto;
  padding-top: 36px;
  color: white;
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
}

.service-link span {
  color: var(--lavender);
  transition: transform 180ms ease;
}

.service-link:hover span {
  transform: translateX(5px);
}

.process {
  grid-template-columns: 0.7fr 1.3fr;
}

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

.process-list > div {
  position: relative;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 34px;
  padding: 28px 8px;
  border-bottom: 1px solid var(--line);
}

.process-list > div::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -12px;
  width: 5px;
  height: 5px;
  background: var(--purple);
  border-radius: 50%;
}

.process-list h3 {
  margin: 0;
  font-size: 1rem;
}

.process-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.pricing-note {
  grid-column: 2;
  margin-top: 24px;
  padding: 34px 38px;
  background: var(--mist);
}

.pricing-note .eyebrow {
  margin-bottom: 10px;
}

.pricing-note h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.pricing-note > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.company-list {
  margin: 0;
}

.company-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.company-list dt {
  color: var(--muted);
  font-size: 0.85rem;
}

.company-list dd {
  margin: 0;
  font-weight: 500;
}

/* Company page */
.company-body {
  background:
    linear-gradient(180deg, rgba(243, 242, 250, 0.9) 0, rgba(252, 252, 254, 0) 620px),
    var(--paper);
}

.company-page {
  width: 100%;
  max-width: 1104px;
  margin: 0 auto;
  padding: 80px 32px 100px;
}

.company-hero {
  padding: 58px 0 108px;
  border-bottom: 1px solid var(--line);
}

.company-hero h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.35;
  letter-spacing: 0.08em;
}

.company-hero > p:last-child {
  max-width: 660px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.company-section {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: 86px;
  padding: 104px 0;
  border-bottom: 1px solid var(--line);
}

.company-section-heading h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  letter-spacing: 0.08em;
}

.company-overview .company-list div:first-child {
  padding-top: 0;
}

.representative-content,
.founding-content {
  min-width: 0;
}

.representative-name {
  margin-bottom: 38px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.representative-name p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.representative-name h3 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.representative-profile p,
.founding-content p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 2.15;
}

.representative-profile p + p,
.founding-content p + p {
  margin-top: 1.6em;
}

.founding-content h3 {
  margin: 0 0 42px;
  color: var(--purple-deep);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.06em;
}

@media (max-width: 900px) {
  .company-section {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 82px 0;
  }
}

footer {
  width: min(calc(100% - 64px), var(--content));
  margin: 0 auto;
  padding: 42px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
  color: var(--muted);
  font-family: "Inter", sans-serif;
  font-size: 0.72rem;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 30px;
}

.footer-meta a {
  color: var(--muted);
  font-size: 0.76rem;
  text-decoration: none;
}

@media (max-width: 760px) {
  .mobile-line {
    display: block;
  }
  .site-header {
    width: min(calc(100% - 40px), var(--content));
    height: auto;
    min-height: 78px;
    align-content: flex-start;
    flex-wrap: wrap;
    gap: 10px 20px;
    padding: 16px 0;
  }

  .brand span {
    font-size: 0.82rem;
  }

  .site-header nav {
    width: 100%;
    display: flex;
    gap: 24px;
    padding-left: 56px;
  }

  .site-header nav a {
    font-size: 0.7rem;
    letter-spacing: 0.03em;
  }

  .hero {
    min-height: 600px;
    align-content: center;
    padding: 150px 24px 60px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(1.8rem, 8.6vw, 2.25rem);
    overflow-wrap: anywhere;
  }

  .hero-lead {
    width: auto;
    max-width: 100%;
    font-size: 0.96rem;
    letter-spacing: 0.02em;
    word-break: break-all;
  }

  .section {
    width: min(calc(100% - 40px), var(--content));
    padding: 88px 0;
  }

  .process {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .desktop-only {
    display: none;
  }

  .services {
    padding: 88px 20px;
  }

  .about-visual {
    min-height: 0;
    display: block;
    padding-top: 280px;
    background: #f8f5ef;
  }

  .about-visual-image {
    position: absolute;
    inset: 0 0 auto;
    min-height: 360px;
    background-position: 56% center;
  }

  .about-panel {
    position: relative;
    margin: 0 20px;
    padding: 42px 28px;
  }

  .services-heading {
    grid-column: 1;
    margin-bottom: 52px;
  }

  .services-inner {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 320px;
    padding: 34px;
  }

  .pricing-note {
    grid-column: 1;
    padding: 30px 24px;
  }

  .company-list div {
    grid-template-columns: 90px 1fr;
  }

  .company-page {
    width: 100%;
    padding: 0 24px 72px;
  }

  .company-hero {
    padding: 70px 0 76px;
  }

  .company-hero > p:last-child {
    font-size: 0.9rem;
  }

  .company-section {
    padding: 76px 0;
  }

  .representative-profile p,
  .founding-content p {
    font-size: 0.88rem;
    line-height: 2.05;
  }

  .founding-content h3 {
    margin-bottom: 34px;
  }

  .process-list > div {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px 8px;
  }

  footer {
    width: min(calc(100% - 40px), var(--content));
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .footer-meta {
    width: 100%;
    justify-content: space-between;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* Service detail pages */
.service-body {
  background:
    linear-gradient(180deg, rgba(243, 242, 250, 0.9) 0, rgba(252, 252, 254, 0) 650px),
    var(--paper);
}

.service-page-header {
  position: relative;
  color: var(--ink);
}

.service-detail {
  width: min(calc(100% - 64px), 940px);
  margin: 0 auto;
  padding: 170px 0 120px;
}

.service-detail-hero {
  overflow: hidden;
  padding: 74px 54px 82px;
  background:
    linear-gradient(90deg, rgba(252, 252, 254, 0.98) 0%, rgba(252, 252, 254, 0.91) 54%, rgba(252, 252, 254, 0.18) 100%),
    url("assets/brand-concept.webp") 76% center / cover no-repeat;
  border-left: 3px solid var(--purple);
}

.service-detail-hero h1 {
  max-width: 100%;
  margin: 0 0 28px;
  font-size: clamp(2.1rem, 4vw, 3.3rem);
  line-height: 1.45;
  letter-spacing: 0.05em;
  word-break: keep-all;
  overflow-wrap: normal;
}

.service-detail-hero > p:last-child {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 2;
}

.detail-section {
  padding: 76px 54px;
  background: rgba(252, 252, 254, 0.86);
  border-bottom: 1px solid var(--line);
}

.detail-section:nth-of-type(odd) {
  background: rgba(243, 242, 250, 0.68);
}

.detail-section h2 {
  margin: 0 0 38px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.06em;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.detail-item {
  padding: 28px;
  background: var(--mist);
}

.detail-item h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.detail-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.case-list {
  display: grid;
  gap: 18px;
}

.case-item {
  padding: 30px 34px;
  border: 1px solid var(--line);
}

.case-label {
  margin: 0 0 10px;
  color: var(--purple);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.case-item h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.case-item p:not(.case-label) {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.case-item p:not(.case-label) + p {
  margin-top: 1.25em;
}

.case-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.situation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.situation-list li {
  position: relative;
  padding: 22px 4px 22px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  line-break: strict;
  word-break: auto-phrase;
  overflow-wrap: normal;
  text-wrap: pretty;
}

.situation-list li::before {
  content: "";
  position: absolute;
  top: 2.15em;
  left: 4px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--purple);
  border-radius: 50%;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.engagement-grid h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.engagement-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.service-pagination {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 54px;
}

.service-pagination a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 0;
  color: var(--purple-deep);
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.service-pagination a.next {
  align-items: flex-end;
  text-align: right;
}

.service-pagination span {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.service-pagination strong {
  font-size: 0.86rem;
}

@media (max-width: 760px) {
  .service-detail {
    width: min(calc(100% - 40px), 940px);
    padding: 110px 0 80px;
  }

  .service-detail-hero {
    padding: 48px 28px 58px;
    background:
      linear-gradient(90deg, rgba(252, 252, 254, 0.98), rgba(252, 252, 254, 0.8)),
      url("assets/brand-concept.webp") center / cover no-repeat;
  }

  .service-detail-hero h1 {
    max-width: 100%;
    font-size: 2rem;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .service-detail-hero > p:last-child {
    max-width: 100%;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .detail-section {
    padding: 58px 26px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .service-pagination {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .situation-list,
  .engagement-grid {
    grid-template-columns: 1fr;
  }

  .service-detail p {
    max-width: 100%;
    word-break: break-all;
    overflow-wrap: anywhere;
  }

  .situation-list li {
    max-width: 100%;
    word-break: auto-phrase;
    overflow-wrap: normal;
  }
}