.ip-business-page {
  --ip-ink: #17233f;
  --ip-muted: #5d6678;
  --ip-primary: #4b3f91;
  --ip-primary-dark: #29245f;
  --ip-cyan: #1aa8b8;
  --ip-coral: #e86f61;
  --ip-gold: #d49b35;
  --ip-pale: #f6f4fb;
  --ip-line: rgba(75, 63, 145, .16);
  color: var(--ip-ink);
  background: #fff;
  font-family: "Kosugi Maru", "Noto Sans JP", sans-serif;
}

.ip-business-page main {
  overflow: hidden;
}

.ip-business-page h1,
.ip-business-page h2,
.ip-business-page h3,
.ip-business-page p {
  margin-top: 0;
}

.ip-business-page h1,
.ip-business-page h2,
.ip-business-page h3 {
  color: var(--ip-ink);
}

.ip-business-page h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.4;
  letter-spacing: .01em;
}

.ip-business-page h3 {
  line-height: 1.55;
}

.ip-business-page ul,
.ip-business-page ol {
  box-sizing: border-box;
}

.ip-label {
  margin-bottom: 18px;
  color: var(--ip-primary);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .17em;
}

.ip-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(42px, 7vw, 92px) 0 clamp(76px, 10vw, 132px);
  overflow: hidden;
  background: linear-gradient(135deg, #f8f7fc 0%, #fff 46%, #eff9fa 100%);
}

.ip-hero::before,
.ip-hero::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
}

.ip-hero::before {
  top: 12%;
  right: -7vw;
  width: clamp(260px, 38vw, 620px);
  aspect-ratio: 1;
  border: clamp(24px, 5vw, 72px) solid rgba(75, 63, 145, .07);
}

.ip-hero::after {
  right: 24%;
  bottom: -90px;
  width: 180px;
  height: 180px;
  background: rgba(26, 168, 184, .08);
}

.ip-hero__inner {
  position: relative;
  max-width: 1080px;
}

.ip-hero .breadcrumb {
  margin-bottom: clamp(42px, 7vw, 78px);
}

.ip-hero h1 {
  max-width: 980px;
  margin-bottom: 30px;
  font-size: clamp(2.55rem, 6.1vw, 5.7rem);
  line-height: 1.22;
  letter-spacing: -.025em;
}

.ip-hero h1 em {
  color: var(--ip-primary);
  font-style: normal;
}

.ip-hero__message {
  margin-bottom: 34px;
  color: var(--ip-muted);
  font-size: clamp(1.1rem, 2.1vw, 1.55rem);
  line-height: 1.85;
}

.ip-hero__message strong {
  color: var(--ip-coral);
  font-size: 1.16em;
}

.ip-hero__lead {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
  max-width: 940px;
  padding: 28px 0 0;
  border-top: 1px solid var(--ip-line);
}

.ip-hero__lead p {
  margin-bottom: 0;
  color: var(--ip-muted);
  line-height: 2;
}

.ip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 38px;
}

.ip-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 23px;
  border: 1px solid var(--ip-primary);
  border-radius: 999px;
  background: var(--ip-primary);
  color: #fff;
  font-size: .9rem;
  font-weight: 800;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.ip-button:hover {
  background: var(--ip-primary-dark);
  transform: translateY(-2px);
}

.ip-button--ghost {
  background: transparent;
  color: var(--ip-primary);
}

.ip-button--ghost:hover {
  color: #fff;
}

.ip-button--external {
  gap: 9px;
}

.ip-button--external span {
  font-size: 1.05em;
}

.ip-section {
  padding: clamp(76px, 9vw, 128px) 0;
}

.ip-section--soft {
  background: var(--ip-pale);
}

.ip-section-lead {
  max-width: 820px;
  margin: 28px 0 0;
  color: var(--ip-muted);
  font-size: 1.02rem;
  line-height: 2;
}

.ip-section-message {
  margin: clamp(38px, 5vw, 62px) auto 0;
  color: var(--ip-muted);
  font-size: clamp(1rem, 2vw, 1.3rem);
  line-height: 1.85;
  text-align: center;
}

.ip-section-message strong {
  color: var(--ip-primary);
}

.ip-platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 50px;
}

.ip-domain {
  --domain-color: var(--ip-primary);
  position: relative;
  min-width: 0;
  padding: 27px 23px;
  border: 1px solid var(--ip-line);
  border-top: 5px solid var(--domain-color);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 38px rgba(31, 37, 69, .07);
}

.ip-domain--content {
  --domain-color: var(--ip-cyan);
}

.ip-domain--commerce {
  --domain-color: var(--ip-coral);
}

.ip-domain--community {
  --domain-color: #6a55c7;
  border-color: rgba(106, 85, 199, .28);
  background: linear-gradient(145deg, #fff 0%, #f2efff 100%);
  box-shadow: 0 20px 42px rgba(75, 63, 145, .12);
}

.ip-domain > span {
  color: var(--domain-color);
  font-size: 1.5rem;
  font-weight: 800;
}

.ip-domain > strong {
  display: block;
  margin-top: 15px;
  color: var(--domain-color);
  font-size: .72rem;
  letter-spacing: .14em;
}

.ip-domain h3 {
  margin: 7px 0 0;
  font-size: 1.15rem;
}

.ip-domain ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  color: var(--ip-muted);
  font-size: .87rem;
  line-height: 1.6;
  list-style: none;
}

.ip-domain li {
  position: relative;
  padding-left: 15px;
}

.ip-domain li::before {
  position: absolute;
  top: .65em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--domain-color);
  content: "";
}

.ip-example-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 44px;
}

.ip-example-grid article {
  min-width: 0;
  padding: 27px 24px;
  border: 1px solid rgba(75, 63, 145, .14);
  border-left: 5px solid var(--ip-primary);
  border-radius: 8px 18px 18px 8px;
  background: #fff;
}

.ip-example-grid article:nth-child(2) {
  border-left-color: var(--ip-cyan);
}

.ip-example-grid article:nth-child(3) {
  border-left-color: var(--ip-coral);
}

.ip-example-grid span {
  color: var(--ip-primary);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
}

.ip-example-grid article:nth-child(2) span {
  color: #0f8491;
}

.ip-example-grid article:nth-child(3) span {
  color: #bc4f45;
}

.ip-example-grid h3 {
  margin: 12px 0 0;
  font-size: 1.12rem;
}

.ip-example-grid p {
  margin: 14px 0 0;
  color: var(--ip-muted);
  font-size: .92rem;
  line-height: 1.9;
}

.ip-text-link {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin-top: 30px;
  color: var(--ip-primary);
  font-weight: 800;
  text-decoration: none;
}

.ip-text-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.ip-business-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 26px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.ip-business-flow li {
  position: relative;
  min-width: 0;
  padding: 24px 16px;
  border: 1px solid var(--ip-line);
  border-radius: 16px;
  background: #fff;
  text-align: center;
}

.ip-business-flow li:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -21px;
  color: var(--ip-coral);
  font-size: 1.2rem;
  content: "→";
  transform: translateY(-50%);
}

.ip-business-flow b {
  display: block;
  color: var(--ip-primary);
  font-size: .74rem;
}

.ip-business-flow strong {
  display: block;
  margin-top: 9px;
  font-size: 1.05rem;
}

.ip-business-flow span {
  display: block;
  margin-top: 12px;
  color: var(--ip-muted);
  font-size: .8rem;
  line-height: 1.7;
}

.ip-section--community {
  position: relative;
  background: var(--ip-primary-dark);
  color: #fff;
}

.ip-section--community .ip-label {
  color: #8fe1e6;
}

.ip-section--community h2 {
  color: #fff;
}

.ip-community-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  max-width: 980px;
  margin-top: 30px;
}

.ip-community-copy p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, .78);
  line-height: 2;
}

.ip-community-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 46px;
}

.ip-community-compare article {
  min-width: 0;
  padding: 29px 27px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 18px;
  background: rgba(255, 255, 255, .08);
}

.ip-community-compare__owned {
  border-color: rgba(143, 225, 230, .42) !important;
  background: rgba(143, 225, 230, .12) !important;
}

.ip-community-compare span {
  color: #8fe1e6;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.ip-community-compare h3 {
  margin: 10px 0 0;
  color: #fff;
  font-size: 1.25rem;
}

.ip-community-compare ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding-left: 1.2em;
  color: rgba(255, 255, 255, .8);
  line-height: 1.7;
}

.ip-fan-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 46px;
}

.ip-fan-grid article {
  min-width: 0;
  padding: 25px 22px;
  border-top: 4px solid var(--ip-primary);
  border-radius: 16px;
  background: var(--ip-pale);
}

.ip-fan-grid article:nth-child(2) {
  border-top-color: var(--ip-cyan);
}

.ip-fan-grid article:nth-child(3) {
  border-top-color: var(--ip-coral);
}

.ip-fan-grid article:nth-child(4) {
  border-top-color: var(--ip-gold);
}

.ip-fan-grid b {
  color: var(--ip-primary);
  font-size: .72rem;
  letter-spacing: .12em;
}

.ip-fan-grid h3 {
  margin: 10px 0 0;
  font-size: 1.2rem;
}

.ip-fan-grid p {
  margin: 12px 0 0;
  color: var(--ip-muted);
  font-size: .9rem;
  line-height: 1.8;
}

.ip-multiuse-map {
  display: grid;
  grid-template-columns: minmax(240px, .8fr) minmax(0, 1.6fr);
  gap: 24px;
  align-items: stretch;
  margin-top: 48px;
}

.ip-multiuse-map__core {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  border-radius: 22px;
  background: var(--ip-primary);
  color: #fff;
  text-align: center;
}

.ip-multiuse-map__core span {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.ip-multiuse-map__core strong {
  margin-top: 12px;
  font-size: 1.45rem;
}

.ip-multiuse-map__core p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: .88rem;
  line-height: 1.8;
}

.ip-multiuse-map > ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ip-multiuse-map > ul li {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  min-height: 66px;
  padding: 14px 18px 14px 42px;
  border: 1px solid var(--ip-line);
  border-radius: 13px;
  background: #fff;
  color: var(--ip-ink);
  font-weight: 800;
}

.ip-multiuse-map > ul li::before {
  position: absolute;
  left: 18px;
  color: var(--ip-coral);
  content: "→";
}

.ip-multiuse-map > ul li:last-child {
  grid-column: 1 / 3;
}

.ip-behind-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, .55fr) minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
  margin-top: 48px;
}

.ip-behind-grid article {
  min-width: 0;
  padding: 28px 25px;
  border: 1px solid var(--ip-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 16px 34px rgba(31, 37, 69, .06);
}

.ip-behind-grid article > span {
  color: var(--ip-primary);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .12em;
}

.ip-behind-grid article ul {
  display: grid;
  gap: 9px;
  margin: 20px 0 0;
  padding-left: 1.15em;
  color: var(--ip-muted);
  line-height: 1.7;
}

.ip-behind-grid__core {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 26px 18px;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--ip-primary), var(--ip-primary-dark));
  color: #fff;
  text-align: center;
}

.ip-behind-grid__core small {
  color: #8fe1e6;
  font-weight: 800;
  letter-spacing: .1em;
}

.ip-behind-grid__core strong {
  margin-top: 12px;
  line-height: 1.5;
}

.ip-section--dark {
  background: #171c32;
  color: #fff;
}

.ip-section--dark .ip-label {
  color: #8fe1e6;
}

.ip-section--dark h2 {
  color: #fff;
}

.ip-phase-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 46px 0 0;
  padding: 0;
  list-style: none;
}

.ip-phase-grid li {
  position: relative;
  min-width: 0;
  padding: 26px 23px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-top: 4px solid var(--ip-cyan);
  border-radius: 16px;
  background: rgba(255, 255, 255, .06);
}

.ip-phase-grid li:nth-child(2) {
  border-top-color: #7666c9;
}

.ip-phase-grid li:nth-child(3) {
  border-top-color: var(--ip-coral);
}

.ip-phase-grid li:nth-child(4) {
  border-top-color: var(--ip-gold);
}

.ip-phase-grid span {
  color: #8fe1e6;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
}

.ip-phase-grid h3 {
  margin: 12px 0 0;
  color: #fff;
  font-size: 1.1rem;
}

.ip-phase-grid p {
  margin: 15px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: .88rem;
  line-height: 1.85;
}

.ip-section--dark .ip-section-message,
.ip-section--dark .ip-section-message strong {
  color: rgba(255, 255, 255, .82);
}

.ip-support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr);
  gap: clamp(42px, 7vw, 90px);
  align-items: center;
}

.ip-support-copy {
  max-width: 760px;
  margin-top: 30px;
}

.ip-support-copy p {
  margin-bottom: 16px;
  color: var(--ip-muted);
  line-height: 2;
}

.ip-support-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ip-support-list li {
  position: relative;
  min-width: 0;
  padding: 14px 13px 14px 34px;
  border: 1px solid var(--ip-line);
  border-radius: 10px;
  background: var(--ip-pale);
  color: var(--ip-ink);
  font-size: .85rem;
  font-weight: 800;
}

.ip-support-list li::before {
  position: absolute;
  left: 14px;
  color: var(--ip-coral);
  content: "•";
}

.ip-live-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  margin-top: 42px;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--ip-line);
  border-left: 6px solid var(--ip-primary);
  border-radius: 8px 22px 22px 8px;
  background: #fff;
  box-shadow: 0 18px 38px rgba(31, 37, 69, .07);
}

.ip-live-card > div {
  min-width: 0;
}

.ip-live-card > div > span {
  color: var(--ip-primary);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.ip-live-card h3 {
  margin: 11px 0 0;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.ip-live-card p {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--ip-muted);
  line-height: 1.9;
}

.ip-contact {
  padding: clamp(80px, 10vw, 140px) 0;
  background: linear-gradient(135deg, #29245f 0%, #41357c 55%, #255d70 100%);
  color: #fff;
  text-align: center;
}

.ip-contact .site-shell {
  max-width: 940px;
}

.ip-contact .ip-label {
  color: #8fe1e6;
}

.ip-contact h2 {
  color: #fff;
}

.ip-contact__copy {
  max-width: 760px;
  margin: 30px auto 0;
}

.ip-contact__copy p {
  margin-bottom: 14px;
  color: rgba(255, 255, 255, .8);
  line-height: 2;
}

.ip-button--light {
  margin-top: 24px;
  border-color: #fff;
  background: #fff;
  color: var(--ip-primary-dark);
}

.ip-button--light:hover {
  background: #8fe1e6;
  color: var(--ip-primary-dark);
}

@media (max-width: 1100px) {
  .ip-platform-grid,
  .ip-fan-grid,
  .ip-phase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ip-business-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 22px;
  }

  .ip-business-flow li:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .ip-example-grid {
    grid-template-columns: 1fr;
  }

  .ip-multiuse-map,
  .ip-support-layout {
    grid-template-columns: 1fr;
  }

  .ip-multiuse-map__core {
    min-height: 230px;
  }

  .ip-behind-grid {
    grid-template-columns: 1fr;
  }

  .ip-behind-grid__core {
    min-height: 150px;
  }
}

@media (max-width: 720px) {
  .ip-business-page h2 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .ip-hero {
    padding-top: 28px;
  }

  .ip-hero .breadcrumb {
    margin-bottom: 36px;
  }

  .ip-hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.5rem);
  }

  .ip-hero__lead,
  .ip-community-copy,
  .ip-community-compare,
  .ip-platform-grid,
  .ip-fan-grid,
  .ip-phase-grid {
    grid-template-columns: 1fr;
  }

  .ip-actions {
    flex-direction: column;
  }

  .ip-button {
    width: 100%;
  }

  .ip-business-flow {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .ip-business-flow li:not(:last-child)::after,
  .ip-business-flow li:nth-child(3)::after {
    top: auto;
    right: 50%;
    bottom: -25px;
    display: block;
    content: "↓";
    transform: translateX(50%);
  }

  .ip-multiuse-map > ul {
    grid-template-columns: 1fr;
  }

  .ip-multiuse-map > ul li:last-child {
    grid-column: auto;
  }

  .ip-support-list {
    grid-template-columns: 1fr;
  }

  .ip-live-card {
    grid-template-columns: 1fr;
  }

  .ip-live-card .ip-button {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .ip-domain,
  .ip-example-grid article,
  .ip-community-compare article,
  .ip-fan-grid article,
  .ip-phase-grid li,
  .ip-behind-grid article {
    padding-right: 19px;
    padding-left: 19px;
  }

  .ip-multiuse-map__core {
    padding: 26px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ip-business-page *,
  .ip-business-page *::before,
  .ip-business-page *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}