:root {
  --bg: #ffffff;
  --bg-soft: #f6f9fb;
  --bg-warm: #fbfbf8;
  --section-soft: #eef3f8;
  --section-ice: #f8fafc;
  --panel: #ffffff;
  --text: #0c1724;
  --muted: #657181;
  --line: #edf2f6;
  --line-strong: #e3ebf2;
  --blue: #2477ff;
  --cyan: #34c6d8;
  --green: #8bdc9b;
  --purple: #a891ff;
  --navy: #081424;
  --shadow: 0 18px 48px rgba(15, 35, 55, 0.055);
  --panel-shadow: 0 16px 38px rgba(18, 43, 68, 0.045);
  --radius: 8px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Inter", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.8;
}

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

button {
  font: inherit;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 112px 0;
  border-top: 1px solid rgba(12, 23, 36, 0.035);
}

.section[id],
.product-card[id],
.service-card[id] {
  scroll-margin-top: 76px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 42px;
  background: rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(227, 234, 240, 0.8);
  backdrop-filter: blur(18px);
  transform: translateY(0);
  transition:
    transform 0.32s ease,
    background 0.2s ease,
    border-color 0.2s ease;
  will-change: transform;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.logo {
  display: inline-flex;
  align-items: center;
  width: 158px;
  height: 40px;
}

.logo-image {
  display: block;
  width: 100%;
  height: auto;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  font-weight: 600;
  color: #243246;
}

.global-nav > a,
.nav-group > a {
  position: relative;
  padding: 28px 0;
}

.global-nav > a::after,
.nav-group > a::after {
  position: absolute;
  right: 0;
  bottom: 22px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.global-nav > a:hover::after,
.nav-group:hover > a::after {
  transform: scaleX(1);
}

.nav-contact {
  padding: 10px 16px !important;
  color: #fff !important;
  background: var(--text);
  border-radius: 999px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-contact::after {
  content: none !important;
}

.nav-contact:hover {
  background: var(--blue);
  transform: translateY(-1px);
}

.nav-consult {
  padding: 10px 16px !important;
  color: #fff !important;
  background: var(--blue);
  border-radius: 999px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-consult::after {
  content: none !important;
}

.nav-consult:hover {
  background: #005ee8;
  transform: translateY(-1px);
}

.nav-group {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 66px;
  left: 50%;
  display: grid;
  min-width: 210px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: 0.2s ease;
}

.nav-group:hover .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-dropdown a {
  padding: 9px 10px;
  border-radius: 6px;
  color: #344256;
}

.nav-dropdown a:hover {
  background: #f1f6ff;
  color: var(--blue);
}

.menu-button {
  display: none;
}

.hero {
  position: relative;
  min-height: calc(100svh - 76px);
  padding: 0;
  color: #05070a;
  background: #c9edf8;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(205, 239, 250, 0.68) 0%, rgba(205, 239, 250, 0.22) 48%, rgba(205, 239, 250, 0.54) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.05)),
    url("assets/hero-tokyo-tower.jpg") center / cover no-repeat;
  filter: saturate(0.82) brightness(1.12);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: block;
  width: 100%;
  max-width: none;
  min-height: calc(100svh - 76px);
  margin: 0;
  padding: clamp(48px, 8vh, 86px) clamp(28px, 7vw, 126px) 92px;
}

.eyebrow,
.section-en {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog .section-en,
.service .section-en,
.features .section-en,
.product .section-en,
.recruit .section-en,
.news .section-en,
.company .section-en {
  color: var(--blue);
}

.hero h1,
.intro h2,
.section-head h2,
.company h2,
.recruit h2,
.download-cta h2,
.contact-cta h2 {
  margin: 0;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0;
}

.hero h1 {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.2vw, 32px);
  max-width: 940px;
  font-size: clamp(78px, 12.4vw, 190px);
  line-height: 0.76;
}

.hero h1 > span {
  display: block;
}

.hero-char {
  display: inline-block;
  opacity: 0;
  transform: translateX(-0.45em);
  animation: heroLetterIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(0.18s + var(--char-delay, 0s));
  will-change: opacity, transform;
}

.section-title-char {
  display: inline-block;
  opacity: 0;
  transform: translateX(-0.35em);
  will-change: opacity, transform;
}

.is-letter-visible .section-title-char {
  animation: sectionTitleLetterIn 0.58s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(0.08s + var(--char-delay, 0s));
}

@keyframes heroLetterIn {
  from {
    opacity: 0;
    transform: translateX(-0.45em);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes sectionTitleLetterIn {
  from {
    opacity: 0;
    transform: translateX(-0.35em);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-char,
  .section-title-char {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .blog-card,
  .product-card {
    transition: none;
  }

  .blog-card:hover,
  .product-card:hover {
    transform: none;
  }
}

.hero-en {
  width: min(760px, 58vw);
  max-width: none;
  margin: 22px 0 0;
  color: #07111f;
  font-size: clamp(20px, 2.55vw, 40px);
  font-weight: 900;
  line-height: 1.04;
  text-transform: uppercase;
}

.hero-lead {
  max-width: none;
  margin: 4px 0 0;
  color: #07111f;
  font-size: 13px;
  font-weight: 700;
}

.no-wrap-desktop {
  white-space: nowrap;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.hero-ja {
  max-width: 620px;
  width: fit-content;
  margin: 22px 0 0;
  padding: 0;
  color: #05070a;
  font-size: clamp(24px, 3.1vw, 46px);
  font-weight: 900;
  line-height: 1.2;
}

.hero-scroll {
  position: absolute;
  right: 50%;
  bottom: 22px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: #05070a;
  font-size: 12px;
  font-weight: 900;
  transform: translateX(50%);
}

.hero-scroll::before {
  width: 24px;
  height: 42px;
  content: "";
  background:
    radial-gradient(circle at 50% 10px, var(--blue) 0 5px, transparent 6px),
    linear-gradient(var(--blue), var(--blue)) center / 2px 100% no-repeat;
  border-radius: 999px;
  opacity: 0.95;
  animation: scrollCue 1.55s ease-in-out infinite;
}

@keyframes scrollCue {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.55;
  }

  45% {
    transform: translateY(9px);
    opacity: 1;
  }
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(24, 50, 78, 0.07);
}

.button-primary {
  color: #fff;
  background: var(--blue);
}

.button-secondary {
  color: var(--text);
  background: #fff;
  border-color: var(--line);
}

.button-light {
  color: var(--navy);
  background: #fff;
}

.button-consult {
  color: #fff;
  background: var(--blue);
  border-color: rgba(255, 255, 255, 0.18);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 34px;
}

.hero-tags span {
  padding: 7px 12px;
  color: #345066;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 540px;
}

.visual-shell {
  position: absolute;
  inset: 30px 0 30px 12px;
  padding: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(226, 235, 242, 0.72);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 4px 12px;
  border-bottom: 1px solid var(--line);
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d9e3ea;
}

.browser-bar span:nth-child(1) {
  background: #ff7c7c;
}

.browser-bar span:nth-child(2) {
  background: #ffd166;
}

.browser-bar span:nth-child(3) {
  background: #72d98b;
}

.browser-bar p {
  margin: 0 0 0 8px;
  color: #7b8a99;
  font-size: 12px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding-top: 18px;
}

.metric-card,
.wire-card,
.code-card,
.flow-card {
  min-height: 150px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric-card p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.metric-card strong {
  font-size: 32px;
  line-height: 1;
}

.mini-bars {
  display: flex;
  align-items: end;
  gap: 8px;
  height: 56px;
  margin-top: 18px;
}

.mini-bars i {
  width: 22%;
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}

.mini-bars i:nth-child(1) {
  height: 36%;
}

.mini-bars i:nth-child(2) {
  height: 62%;
}

.mini-bars i:nth-child(3) {
  height: 48%;
}

.mini-bars i:nth-child(4) {
  height: 82%;
}

.wire-card {
  display: grid;
  gap: 12px;
}

.wire-card span {
  display: block;
  background: #edf4fa;
  border-radius: 6px;
}

.wire-card span:nth-child(1) {
  width: 78%;
}

.wire-card span:nth-child(2) {
  width: 100%;
}

.wire-card span:nth-child(3) {
  width: 56%;
}

.code-card {
  grid-column: span 2;
  background: #081424;
}

.code-card code {
  display: block;
  color: #b9f6d0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.9;
}

.flow-card {
  grid-column: span 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
}

.flow-card b {
  font-size: 13px;
}

.flow-card i {
  flex: 1;
  height: 1px;
  margin: 0 14px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.floating-chip {
  position: absolute;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  color: #fff;
  border-radius: 8px;
  font-weight: 900;
  box-shadow: var(--shadow);
}

.chip-ai {
  top: 0;
  right: 24px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
}

.chip-db {
  right: -10px;
  bottom: 64px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
}

.chip-ui {
  bottom: 10px;
  left: 0;
  background: linear-gradient(135deg, #101b2b, var(--blue));
}

.intro {
  background: var(--section-ice);
}

.intro-grid,
.section-head,
.company-grid,
.recruit-grid,
.cta-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 72px;
  align-items: start;
}

.intro h2,
.section-head h2,
.company h2,
.recruit h2,
.download-cta h2,
.contact-cta h2 {
  font-size: clamp(34px, 4.6vw, 56px);
}

.no-break {
  white-space: nowrap;
}

.intro-body p,
.section-head p,
.company p,
.recruit p,
.download-cta p,
.contact-cta p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

.intro-body,
.section-head > p,
.section-head > div:nth-child(2) {
  padding-top: 28px;
}

.intro-body strong,
.detail-body strong {
  color: var(--text);
  font-weight: 900;
}

.text-link {
  display: inline-flex;
  margin-top: 28px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.text-link::after {
  margin-left: 8px;
  content: "→";
}

.intro-link {
  display: flex;
  justify-content: flex-end;
  width: fit-content;
  margin-left: auto;
}

.service-list,
.product-list {
  display: grid;
  gap: 24px;
  margin-top: 56px;
}

.service {
  background: #ffffff;
}

.service-card {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 48px;
  align-items: center;
  min-height: 390px;
  padding: 48px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--panel-shadow);
}

.service-card:nth-child(even) .service-content {
  order: 2;
}

.number {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--blue);
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0;
}

.feature-card .number {
  color: rgba(125, 168, 255, 0.95);
  font-size: clamp(40px, 4.8vw, 68px);
}

.service-card h3,
.feature-card h3,
.product-card h3,
.blog-card h3 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.35;
}

.service-card p,
.feature-card p,
.product-card p,
.blog-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
}

.card-lead {
  color: #1b2a3d !important;
  font-size: 17px !important;
  font-weight: 800;
}

.service-visual,
.product-visual,
.recruit-visual {
  position: relative;
  display: grid;
  min-height: 300px;
  place-items: center;
  overflow: hidden;
  background: var(--bg-soft);
  border-radius: var(--radius);
}

.visual-photo,
.product-cover-image {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  display: block;
}

.product-logo-image {
  width: min(72%, 320px);
  max-height: 150px;
  object-fit: contain;
  display: block;
}

.contain-image {
  width: 86%;
  height: auto;
  min-height: 0;
  object-fit: contain;
}

.service-visual::after,
.recruit-visual::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(7, 17, 31, 0.08), rgba(36, 119, 255, 0.06));
  content: "";
}

.webdev-visual {
  background:
    radial-gradient(circle at 20% 20%, rgba(52, 198, 216, 0.22), transparent 32%),
    linear-gradient(135deg, #f4fbff, #eef6ff);
}

.mock-window,
.canvas-board,
.store-ui {
  width: 72%;
  min-height: 205px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(220, 230, 238, 0.72);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(31, 65, 94, 0.04);
}

.mock-window > span {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 5px;
  border-radius: 50%;
  background: #c9d8e3;
}

.mock-row,
.mock-code,
.store-header,
.store-item {
  border-radius: 6px;
  background: #e8f0f7;
}

.mock-row {
  height: 32px;
  margin: 18px 0;
}

.mock-split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.mock-split i {
  height: 54px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(36, 119, 255, 0.22), rgba(52, 198, 216, 0.2));
}

.mock-code {
  height: 44px;
  margin-top: 12px;
  background: #101b2b;
}

.design-visual {
  background:
    linear-gradient(rgba(36, 119, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 119, 255, 0.08) 1px, transparent 1px),
    #f8fbff;
  background-size: 28px 28px;
}

.canvas-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.canvas-board div {
  min-height: 72px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--line);
}

.canvas-board div:nth-child(1) {
  grid-row: span 2;
}

.canvas-board span {
  height: 28px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.ai-visual {
  background: linear-gradient(135deg, rgba(168, 145, 255, 0.18), rgba(52, 198, 216, 0.18), rgba(139, 220, 155, 0.16));
}

.content-orbit {
  position: relative;
  width: 260px;
  height: 260px;
}

.content-orbit strong,
.content-orbit span {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 8px;
  box-shadow: 0 9px 22px rgba(33, 63, 87, 0.038);
}

.content-orbit strong {
  inset: 88px;
  color: #fff;
  background: var(--text);
}

.content-orbit span {
  width: 92px;
  height: 42px;
  color: #345066;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 800;
}

.content-orbit span:nth-child(1) {
  top: 16px;
  left: 84px;
}

.content-orbit span:nth-child(2) {
  right: 4px;
  top: 106px;
}

.content-orbit span:nth-child(3) {
  left: 12px;
  top: 106px;
}

.content-orbit span:nth-child(4) {
  bottom: 16px;
  left: 84px;
}

.features {
  color: #fff;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(135deg, #06101d 0%, #0a1628 58%, #111f35 100%);
  background-size: 46px 46px, 46px 46px, auto, auto;
}

.section-head.light p:not(.section-en) {
  color: #b7c5d1;
}

.feature-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 52px;
}

.feature-card {
  min-height: 330px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.feature-card p {
  color: #c4d0db;
}

.product {
  background: var(--section-ice);
}

.product-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 44px;
  align-items: center;
  padding: 34px;
  background: #fff;
  border: 1px solid rgba(230, 237, 243, 0.72);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(18, 43, 68, 0.018);
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.32s ease,
    border-color 0.32s ease;
  will-change: transform;
}

.product-card:hover {
  transform: translateY(-5px) scale(1.015);
  border-color: rgba(36, 119, 255, 0.14);
  box-shadow: 0 18px 42px rgba(18, 43, 68, 0.055);
}

.product-name {
  margin-bottom: 10px !important;
  color: var(--blue) !important;
  font-size: 15px !important;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.subtopic-visual {
  padding: 24px;
  background: linear-gradient(135deg, rgba(139, 220, 155, 0.12), rgba(36, 119, 255, 0.08));
}

.store-ui {
  min-height: 230px;
}

.store-header {
  height: 56px;
  background: linear-gradient(90deg, rgba(36, 119, 255, 0.18), rgba(139, 220, 155, 0.2));
}

.store-item {
  height: 28px;
  margin-top: 14px;
}

.store-item.short {
  width: 70%;
}

.store-ui button {
  width: 112px;
  height: 40px;
  margin-top: 18px;
  color: #fff;
  background: var(--text);
  border: 0;
  border-radius: 999px;
  font-weight: 800;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 18px;
  color: #425166;
  font-size: 13px;
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--blue);
  content: "•";
}

.topictree-visual {
  padding: 24px;
  background: linear-gradient(135deg, rgba(36, 119, 255, 0.12), rgba(139, 220, 155, 0.12));
}

.topic-ui {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  width: 82%;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.topic-note {
  display: grid;
  gap: 12px;
}

.topic-note span {
  height: 34px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(36, 119, 255, 0.16), rgba(139, 220, 155, 0.16));
}

.topic-note span:nth-child(2) {
  width: 82%;
}

.topic-note span:nth-child(3) {
  width: 64%;
}

.topic-branch {
  position: relative;
  display: grid;
  place-items: center;
}

.topic-branch::before {
  position: absolute;
  width: 2px;
  height: 88%;
  background: rgba(36, 119, 255, 0.18);
  content: "";
}

.topic-branch i {
  position: relative;
  width: 34px;
  height: 34px;
  border: 6px solid rgba(36, 119, 255, 0.14);
  border-radius: 50%;
  background: #fff;
}

.radio-visual {
  background: linear-gradient(135deg, rgba(168, 145, 255, 0.16), rgba(52, 198, 216, 0.14));
}

.audio-ui {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 76%;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue);
}

.audio-ui i {
  width: 12%;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--purple), var(--cyan));
}

.audio-ui i:nth-child(2) {
  height: 34px;
}

.audio-ui i:nth-child(3) {
  height: 76px;
}

.audio-ui i:nth-child(4) {
  height: 48px;
}

.audio-ui i:nth-child(5) {
  height: 92px;
}

.audio-ui i:nth-child(6) {
  height: 40px;
}

.cto-visual {
  background: linear-gradient(135deg, rgba(36, 119, 255, 0.12), rgba(12, 23, 36, 0.06));
}

.roadmap-ui {
  display: grid;
  gap: 16px;
  width: 78%;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.roadmap-ui span {
  height: 54px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(36, 119, 255, 0.16), rgba(52, 198, 216, 0.08));
}

.company-grid {
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

.company {
  background: var(--section-ice);
}

.company-grid > div:first-child {
  max-width: 980px;
}

.company-message {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
  padding: 34px 38px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid var(--line-strong);
  border-bottom: 0;
  border-radius: 0;
  box-shadow: none;
}

.company-message-aside {
  max-width: 920px;
}

.company-message-photo {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--section-ice);
  width: 80%;
}

.company-message-body {
  max-width: 960px;
}

.company-message-profile {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) 1fr;
  gap: 4px;
  align-items: start;
}

.company-message-profile-text {
  max-width: 760px;
  font-family: "Inter", "Noto Sans JP", system-ui, sans-serif;
}

.company-message-photo img {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(1);
}

.company-message h3 {
  margin: 8px 0 0;
  color: var(--text);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.18;
}

.company-message h4 {
  margin: 0 0 14px;
  color: var(--text);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 900;
}

.company-message p:not(.section-en) {
  margin: 0 0 16px;
  color: var(--muted);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  font-size: 15px;
  line-height: 2;
}

.company-message .message-lead {
  color: var(--text);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 900;
  line-height: 1.55;
}

.company-message .message-signature {
  color: var(--text);
  font-weight: 800;
  line-height: 1.8;
}

.company-message .company-message-profile-text h4,
.company-message .company-message-profile-text p {
  font-family: "Inter", "Noto Sans JP", system-ui, sans-serif;
}

.company-message p:last-child {
  margin-bottom: 0;
}

.message-section {
  background: #ffffff;
}

.company-message-standalone {
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  box-shadow: none;
}

.company-copy,
.recruit-copy {
  margin: 28px 0 22px !important;
  color: var(--text) !important;
  font-size: clamp(28px, 3.8vw, 46px) !important;
  font-weight: 900;
  line-height: 1.15;
}

.company-table {
  margin: 0;
  background: var(--panel);
  border: 1px solid rgba(230, 237, 243, 0.72);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(18, 43, 68, 0.018);
}

.company-table > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
}

.company-table > div:last-child {
  border-bottom: 0;
}

.company-table dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.company-table dd {
  margin: 0;
  font-size: 14px;
  font-weight: 400;
}

.company-map-row {
  align-items: start;
}

.company-map {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 360px;
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.company-map iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  min-width: 100%;
  height: 360px;
  min-height: 360px;
  border: 0;
  background: transparent;
}

.map-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.map-link:hover {
  text-decoration: underline;
}

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

.recruit-grid {
  grid-template-columns: 0.94fr 1.06fr;
  align-items: center;
}

.recruit-visual {
  min-height: 440px;
  background:
    radial-gradient(circle at 26% 22%, rgba(139, 220, 155, 0.2), transparent 28%),
    linear-gradient(135deg, #fff, #eef6ff);
}

.team-board {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
  width: 76%;
}

.team-board span {
  min-height: 118px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  box-shadow: 0 9px 22px rgba(29, 55, 78, 0.032);
}

.team-board span:nth-child(1) {
  grid-row: span 2;
}

.team-board span:nth-child(3) {
  background: linear-gradient(135deg, rgba(36, 119, 255, 0.18), rgba(52, 198, 216, 0.18));
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.tabs button {
  padding: 9px 14px;
  color: #4d5c6e;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.tabs .active {
  color: #fff;
  background: var(--text);
  border-color: var(--text);
}

.news-list {
  margin-top: 38px;
  padding: 0 28px;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--panel-shadow);
}

.news {
  background: #ffffff;
}

.news-list article {
  display: grid;
  grid-template-columns: 170px 130px 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.news-list time,
.news-list span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.news-list span {
  display: inline-flex;
  justify-content: center;
  padding: 4px 10px;
  background: var(--bg-soft);
  border-radius: 999px;
}

.news-list a {
  font-weight: 400;
}

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

.blog-grid {
  grid-template-columns: repeat(4, 1fr);
}

.blog-card {
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 9px 22px rgba(18, 43, 68, 0.028);
  overflow: hidden;
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.32s ease,
    border-color 0.32s ease;
  will-change: transform;
}

.blog-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.blog-card:hover {
  transform: translateY(-5px) scale(1.018);
  border-color: rgba(36, 119, 255, 0.14);
  box-shadow: 0 18px 42px rgba(18, 43, 68, 0.055);
}

.blog-card-content {
  padding: 14px 14px 18px;
  flex: 1;
}

.blog-card-content .blog-list-meta {
  margin-bottom: 6px;
}

.blog-card .blog-thumb {
  height: 150px;
  margin-bottom: 0;
}

.blog-card .blog-thumb-image {
  height: 150px;
  margin-bottom: 0;
}

.blog-card h3 {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.5;
}

.blog-card p {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.blog-thumb {
  height: 160px;
  margin-bottom: 16px;
  border-radius: 6px;
}

.blog-thumb-image {
  display: block;
  width: 100%;
  height: 160px;
  margin-bottom: 16px;
  border-radius: 6px;
  object-fit: cover;
  object-position: center;
  overflow: hidden;
}

.thumb-code {
  background:
    linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(135deg, #10233a, #2477ff);
  background-size: 22px 22px, 22px 22px, auto;
}

.thumb-mvp {
  background: linear-gradient(135deg, rgba(36, 119, 255, 0.75), rgba(139, 220, 155, 0.75));
}

.thumb-gradient {
  background: linear-gradient(135deg, rgba(36, 119, 255, 0.75), rgba(139, 220, 155, 0.75));
}

.thumb-ai {
  background: linear-gradient(135deg, rgba(168, 145, 255, 0.82), rgba(52, 198, 216, 0.82));
}

.thumb-cto {
  background: linear-gradient(135deg, #0c1724, #7da8ff);
}

.thumb-dark {
  background: linear-gradient(135deg, #0c1724, #7da8ff);
}


.blog-more {
  margin-top: 30px;
  text-align: right;
}

.download-cta {
  background: var(--section-ice);
}

.download-cta.section {
  padding: 86px 0;
}

.cta-grid {
  align-items: center;
}

.stack-visual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stack-visual span {
  display: grid;
  min-height: 86px;
  place-items: center;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(226, 235, 242, 0.72);
  border-radius: var(--radius);
  font-weight: 900;
  box-shadow: 0 9px 22px rgba(34, 67, 94, 0.028);
}

.contact-cta {
  padding: 0;
}

.contact-panel {
  width: 100%;
  padding: 72px;
  color: #fff;
  text-align: center;
  background:
    radial-gradient(circle at 88% 34%, rgba(52, 198, 216, 0.14), transparent 36%),
    linear-gradient(135deg, #06101d 0%, #0a1830 52%, #1b4f82 100%);
  border-radius: 0;
}

.contact-panel .section-en,
.contact-panel p {
  color: #c1cfdb;
}

.contact-panel h2 {
  max-width: 820px;
  margin: 0 auto;
}

.contact-panel p {
  max-width: 760px;
  margin: 24px auto 32px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.site-footer {
  padding: 52px 0 42px;
  color: #fff;
  background: #05070a;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) 1.28fr;
  gap: 64px;
  align-items: start;
}

.footer-brand {
  display: grid;
  gap: 4px;
  max-width: 260px;
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.7;
}

.site-footer small {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.site-footer .logo {
  width: 164px;
  height: auto;
  margin-bottom: 2px;
}

.footer-logo-image {
  width: 100%;
}

.detail-hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 96px;
  border-top: 1px solid rgba(12, 23, 36, 0.06);
  background:
    radial-gradient(circle at 80% 18%, rgba(36, 119, 255, 0.14), transparent 30%),
    linear-gradient(135deg, #f8fafc 0%, #eef4fa 100%);
}

.detail-photo-hero {
  color: #fff;
  background: #081424;
}

.detail-photo-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 10, 17, 0.86) 0%, rgba(5, 10, 17, 0.56) 46%, rgba(5, 10, 17, 0.2) 100%),
    linear-gradient(180deg, rgba(5, 10, 17, 0.12), rgba(5, 10, 17, 0.46));
}

.detail-hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
}

.detail-hero-fde {
  background:
    radial-gradient(circle at 80% 18%, rgba(52, 198, 216, 0.16), transparent 30%),
    linear-gradient(135deg, #f8fafc 0%, #eef3f8 100%);
}

.detail-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 760px);
  gap: 72px;
  align-items: center;
}

.detail-title-lockup {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
}

.detail-title-lockup img {
  flex: 0 0 auto;
  width: clamp(44px, 5vw, 72px);
  height: clamp(44px, 5vw, 72px);
  object-fit: contain;
}

.detail-hero h1,
.detail-section h2,
.detail-cta h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 900;
  line-height: 1.08;
}

.detail-hero p:not(.section-en) {
  max-width: 690px;
  margin: 24px 0 0;
  color: #415064;
  font-size: 16px;
}

.detail-photo-hero .section-en,
.detail-photo-hero h1,
.detail-photo-hero p:not(.section-en) {
  color: #fff;
}

.detail-photo-hero p:not(.section-en) {
  color: rgba(255, 255, 255, 0.82);
}

.ai-radio-page .detail-hero {
  min-height: calc(100svh - 76px);
  display: flex;
  align-items: center;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.detail-visual {
  display: grid;
  min-height: 390px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--panel-shadow);
}

.detail-logo-panel img {
  width: min(78%, 360px);
  max-height: 180px;
  object-fit: contain;
}

.detail-audio-card,
.detail-roadmap-card {
  display: grid;
  width: min(78%, 360px);
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff, #f2f8ff);
  box-shadow: var(--shadow);
}

.detail-audio-card {
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  align-items: center;
}

.detail-audio-card span {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue);
}

.detail-audio-card i {
  border-radius: 999px;
  background: linear-gradient(180deg, var(--purple), var(--cyan));
}

.detail-audio-card i:nth-child(2) {
  height: 42px;
}

.detail-audio-card i:nth-child(3) {
  height: 88px;
}

.detail-audio-card i:nth-child(4) {
  height: 64px;
}

.detail-audio-card i:nth-child(5) {
  height: 106px;
}

.detail-audio-card i:nth-child(6) {
  height: 48px;
}

.detail-roadmap-card {
  gap: 14px;
}

.detail-roadmap-card span {
  padding: 18px 20px;
  color: #17314d;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(36, 119, 255, 0.18), rgba(52, 198, 216, 0.1));
  font-weight: 900;
}

.detail-section {
  padding: 92px 0;
  background: #fff;
  border-top: 1px solid rgba(12, 23, 36, 0.06);
}

.detail-section-head {
  max-width: 720px;
  margin-bottom: 44px;
}

.detail-section-head h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 900;
  line-height: 1.15;
}

.detail-section-head h2.no-break {
  font-size: clamp(28px, 3.6vw, 54px);
  white-space: nowrap;
}

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

.fde-issues {
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.fde-business {
  background:
    linear-gradient(rgba(36, 119, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 119, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #eef4fa 0%, #e7eff7 100%);
  background-size: 42px 42px, 42px 42px, auto;
}

.fde-pricing {
  background:
    radial-gradient(circle at 76% 22%, rgba(52, 198, 216, 0.1), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}

.fde-testimonials {
  background: linear-gradient(180deg, #eaf1f8 0%, #f4f8fc 100%);
}

.fde-testimonials .testimonial-list article {
  background: rgba(255, 255, 255, 0.82);
}

.detail-split,
.detail-usecases {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 72px;
  align-items: start;
}

.detail-pricing {
  grid-template-columns: 0.52fr 1.48fr;
  gap: 56px;
}

.detail-body p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

.detail-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.detail-image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.detail-image-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 5px 14px rgba(18, 43, 68, 0.018);
}

.detail-image-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.ai-radio-page .detail-image-card {
  display: flex;
  flex-direction: column;
  background: #f1f6fb;
}

.ai-radio-page .detail-image-card img {
  flex: 0 0 auto;
  padding: 18px;
  object-fit: contain;
  background: #ffffff;
}

.ai-radio-page .detail-image-card h3 {
  margin: 0;
  padding: 22px 24px 10px;
  background: #f1f6fb;
}

.ai-radio-page .detail-image-card p {
  flex: 1;
  margin: 0;
  padding: 0 24px 26px;
  background: #f1f6fb;
}

.ai-radio-page .detail-cta h2 {
  font-size: clamp(30px, 4.4vw, 54px);
  white-space: nowrap;
}

.detail-image-card h3 {
  margin: 24px 24px 10px;
  font-size: 22px;
  line-height: 1.35;
}

.detail-image-card p {
  margin: 0 24px 26px;
  color: var(--muted);
  font-size: 14px;
}

.detail-card {
  min-height: 260px;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 5px 14px rgba(18, 43, 68, 0.018);
}

.detail-card span {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--blue);
  font-size: clamp(38px, 4vw, 60px);
  font-weight: 900;
  line-height: 0.9;
}

.detail-card h3 {
  margin: 0 0 12px;
  font-size: 25px;
}

.detail-card p,
.detail-usecases li {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.detail-usecases ul {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.detail-usecases li {
  padding: 18px 22px;
  background: var(--section-ice);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 700;
}

.detail-table-wrap {
  overflow-x: auto;
}

.detail-table {
  width: 100%;
  min-width: 760px;
  overflow: hidden;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 5px 14px rgba(18, 43, 68, 0.018);
}

.detail-table th,
.detail-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.detail-table th {
  color: #17314d;
  background: #eef4fa;
  font-size: 13px;
}

.ai-radio-page .detail-table th {
  background: #fff;
}

.ai-radio-page .detail-body strong {
  color: var(--text);
  font-weight: 900;
}

.detail-table tr:last-child td {
  border-bottom: 0;
}

.detail-profile {
  display: grid;
  grid-template-columns: 0.5fr 1fr;
  gap: 56px;
  align-items: center;
}

.detail-profile img {
  display: block;
  width: min(100%, 300px);
  aspect-ratio: 1.12;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--panel-shadow);
}

.detail-profile h2 {
  margin: 0 0 22px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.15;
}

.detail-profile p:not(.section-en) {
  margin: 0 0 16px;
  color: var(--muted);
}

.testimonial-list {
  display: grid;
  gap: 16px;
}

.testimonial-list article {
  padding: 24px 28px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(18, 43, 68, 0.014);
}

.testimonial-list h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.testimonial-list p {
  margin: 0;
  color: var(--muted);
}

.detail-cta {
  padding: 76px 0;
  color: #fff;
  text-align: center;
  background: linear-gradient(135deg, #06101d 0%, #0a1830 52%, #122a49 100%);
}

.detail-cta .section-en,
.detail-cta h2 {
  color: #fff;
}

.detail-cta .button {
  margin-top: 28px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.footer-nav h3 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 13px;
}

.footer-nav a {
  display: block;
  margin: 9px 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  font-weight: 600;
}

.footer-nav a:hover {
  color: #fff;
}

@media (max-width: 980px) {
  body.menu-open {
    overflow: hidden;
  }

  html {
    scroll-padding-top: 68px;
  }

  .section[id],
  .product-card[id],
  .service-card[id] {
    scroll-margin-top: 68px;
  }

  .site-header {
    position: fixed;
    right: 0;
    left: 0;
    z-index: 1000;
    height: 68px;
    padding: 0 24px;
  }

  .logo {
    position: relative;
    z-index: 1010;
  }

  .menu-button {
    z-index: 1010;
    display: grid;
    gap: 5px;
    width: 42px;
    height: 42px;
    place-content: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
  }

  .menu-button span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .global-nav {
    position: fixed;
    top: 68px;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2147483000;
    display: none;
    flex-direction: column;
    gap: 0;
    min-height: calc(100vh - 68px);
    padding: 18px 26px 32px;
    overflow: auto;
    background: #fff !important;
    border-top: 1px solid var(--line);
    box-shadow: 0 14px 32px rgba(15, 35, 55, 0.045);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: 0.2s ease;
  }

  body.menu-open .global-nav {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  body.menu-open .site-header {
    background: #fff;
  }

  body.menu-open .menu-button span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  body.menu-open .menu-button span:nth-child(2) {
    opacity: 0;
  }

  body.menu-open .menu-button span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .global-nav > a,
  .nav-group > a {
    display: block;
    padding: 17px 0;
    font-size: 18px;
    border-bottom: 1px solid var(--line);
  }

  .nav-dropdown {
    position: static;
    min-width: 0;
    padding: 0 0 12px;
    border: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-dropdown a {
    padding: 8px 0 8px 14px;
  }

  .nav-contact,
  .nav-consult {
    display: inline-flex !important;
    width: fit-content;
    margin-top: 22px;
    padding: 12px 22px !important;
    border-bottom: 0 !important;
    font-size: 14px !important;
  }

  .hero-grid,
  .intro-grid,
  .section-head,
  .company-grid,
  .company-message,
  .recruit-grid,
  .cta-grid,
  .footer-grid,
  .detail-hero-grid,
  .detail-split,
  .detail-usecases {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    min-height: 100svh;
    padding: 0;
  }

  .hero-grid {
    min-height: 100svh;
    padding: 76px 28px 82px;
  }

  .hero h1 {
    gap: clamp(18px, 3.2vw, 32px);
    font-size: clamp(72px, 17vw, 132px);
  }

  .hero-en {
    width: min(680px, 72vw);
    font-size: clamp(18px, 3.4vw, 32px);
  }

  .hero-ja {
    max-width: calc(100% - 56px);
    font-size: clamp(24px, 5vw, 40px);
  }

  .hero-visual {
    min-height: 460px;
  }

  .service-card,
  .service-card:nth-child(even),
  .product-card {
    grid-template-columns: 1fr;
  }

  .service-card:nth-child(even) .service-content {
    order: 0;
  }

  .feature-grid,
  .blog-grid,
  .detail-card-grid,
  .detail-image-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 78px 0;
  }

  .hero h1 {
    gap: clamp(14px, 4vw, 24px);
    font-size: clamp(54px, 19vw, 86px);
  }

  .hero-grid {
    padding: 38px 20px 76px;
  }

  .hero-lead {
    max-width: 260px;
  }

  .no-wrap-desktop {
    white-space: normal;
  }

  .hero-en {
    width: min(100%, 520px);
    font-size: clamp(16px, 5.4vw, 27px);
  }

  .hero-ja {
    max-width: calc(100% - 32px);
    padding: 0;
    font-size: clamp(22px, 7vw, 34px);
  }

  .hero-visual {
    min-height: 420px;
  }

  .visual-shell {
    inset: 18px 0 26px;
  }

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

  .code-card,
  .flow-card {
    grid-column: span 1;
  }

  .floating-chip {
    width: 52px;
    height: 52px;
  }

  .feature-grid,
  .blog-grid,
  .check-list,
  .stack-visual,
  .footer-nav,
  .detail-card-grid,
  .detail-image-grid,
  .detail-profile {
    grid-template-columns: 1fr;
  }

  .service-card,
  .product-card,
  .detail-card {
    padding: 24px;
  }

  .detail-hero,
  .detail-section {
    padding: 72px 0;
  }

  .detail-hero h1,
  .detail-section h2,
  .detail-cta h2 {
    font-size: clamp(34px, 11vw, 52px);
  }

  .detail-section-head h2.no-break {
    font-size: clamp(22px, 6.9vw, 34px);
  }

  .ai-radio-page .detail-cta h2 {
    font-size: clamp(22px, 7vw, 34px);
  }

  .detail-visual {
    min-height: 280px;
  }

  .detail-audio-card,
  .detail-roadmap-card {
    width: min(88%, 360px);
    padding: 24px;
  }

  .company-message {
    gap: 24px;
  }

  .company-message-profile {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .intro-body,
  .section-head > p,
  .section-head > div:nth-child(2) {
    padding-top: 0;
  }

  .service-visual,
  .product-visual,
  .recruit-visual {
    min-height: 250px;
  }

  .company-table > div {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px;
  }

  .news-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .tabs {
    justify-content: flex-start;
  }

  .contact-panel {
    padding: 48px 24px;
  }
}


.blog-list-hero {
  position: relative;
  padding-top: 148px;
  padding-bottom: 56px;
  background: var(--section-soft);
  overflow: hidden;
}

.blog-ai-hero {
  min-height: 580px; /* ← ここで高さの最小値を調整 */
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.blog-ai-hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(238, 243, 248, 0.0) 25%, rgba(238, 243, 248, 1.0) 90%),
    url("/assets/blog-hero-ai.jpg");
  background-position: center;
  background-size: cover;
}

.blog-ai-hero .section-head {
  position: relative;
  z-index: 1;
}

.blog-ai-hero .section-en {
  color: var(--blue);
}

.blog-list-hero h1 {
  margin: 0;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.95;
  letter-spacing: 0;
}

.blog-hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 1;
  margin-top: 20px;
}

.blog-hero-desc {
  width: 100%;
  font-size: 14px;
  color: #687799;
  line-height: 1.65;
}

.blog-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.blog-hero-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: #0d2756;
  letter-spacing: -0.02em;
  line-height: 1;
}

.blog-hero-stat-label {
  font-size: 12px;
  font-weight: 400;
  color: #7a8da8;
  letter-spacing: 0.02em;
}

.blog-list {
  padding-top: 0;
  background: var(--section-soft);
}

.blog-list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.blog-list-card {
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 9px 22px rgba(18, 43, 68, 0.028);
  overflow: hidden;
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.32s ease,
    border-color 0.32s ease;
  will-change: transform;
}

.blog-list-card:hover {
  transform: translateY(-5px) scale(1.018);
  border-color: rgba(36, 119, 255, 0.14);
  box-shadow: 0 18px 42px rgba(18, 43, 68, 0.055);
}

.blog-list-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.blog-list-thumb-wrap {
  position: relative;
  flex-shrink: 0;
}

.blog-list-category {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 10px;
  background: rgba(18, 43, 68, 0.72);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  letter-spacing: 0.03em;
  pointer-events: none;
}

.blog-list-category[data-category="人手不足対策AI"] { background: rgba(36, 119, 255, 0.88); }
.blog-list-category[data-category="営業AI・商談支援"] { background: rgba(16, 185, 129, 0.88); }
.blog-list-category[data-category="AI×ホームページ改善"] { background: rgba(245, 158, 11, 0.88); }
.blog-list-category[data-category="AI×問い合わせ対応"] { background: rgba(139, 92, 246, 0.88); }
.blog-list-category[data-category="AI導入の失敗事例"] { background: rgba(239, 68, 68, 0.88); }
.blog-list-category[data-category="AI×業務マニュアル化"] { background: rgba(20, 184, 166, 0.88); }
.blog-list-category[data-category="AI×議事録・会議効率化"] { background: rgba(6, 182, 212, 0.88); }
.blog-list-category[data-category="AI×経理・バックオフィス"] { background: rgba(99, 102, 241, 0.88); }
.blog-list-category[data-category="AI×採用・人事"] { background: rgba(244, 63, 94, 0.88); }
.blog-list-category[data-category="AI×競合分析・市場調査"] { background: rgba(217, 119, 6, 0.88); }

.blog-list-card .blog-thumb {
  height: 180px;
  margin-bottom: 0;
}

.blog-list-card .blog-thumb-image {
  width: 100%;
  height: 180px;
  margin-bottom: 0;
}

.blog-list-content {
  min-width: 0;
  padding: 16px;
  flex: 1;
}

.blog-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.blog-list-card h2,
.blog-list-card h3 {
  margin: 10px 0;
  font-size: 17px;
  line-height: 1.48;
}

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

.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.blog-pagination-pages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.blog-pagination-page,
.blog-pagination-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--panel);
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 9px 22px rgba(18, 43, 68, 0.028);
}

.blog-pagination-page:hover,
.blog-pagination-control:hover {
  border-color: rgba(36, 119, 255, 0.28);
  color: var(--blue);
}

.blog-pagination-page.is-current {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.blog-pagination-control.is-disabled {
  opacity: 0.45;
  pointer-events: none;
  box-shadow: none;
}

.blog-detail-hero {
  position: relative;
  overflow: hidden;
  padding: 148px 0 72px;
  color: #fff;
  background: #0f172a;
}

.blog-detail-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 12%, rgba(14, 165, 233, 0.32), transparent 34%),
    radial-gradient(circle at 12% 88%, rgba(45, 212, 191, 0.2), transparent 30%),
    linear-gradient(135deg, #0f172a 0%, #173352 52%, #101827 100%);
}

.blog-detail-hero-inner {
  position: relative;
  max-width: 920px;
}

.blog-back-link {
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 700;
}

.blog-back-link::before {
  content: "←";
  margin-right: 8px;
}

.blog-detail {
  background: #fff;
}

.blog-detail-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
}

.blog-detail-main {
  min-width: 0;
}

.blog-detail-aside {
  position: sticky;
  top: 112px;
}

.blog-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 700;
}

.blog-detail-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #a7f3d0;
  background: rgba(34, 197, 94, 0.12);
}

.blog-detail-hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.blog-reading-time {
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  padding: 5px 14px !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  color: #fff !important;
  background: rgba(99, 210, 255, 0.18) !important;
  border: 1px solid rgba(99, 210, 255, 0.45) !important;
  border-radius: 999px !important;
  box-shadow: 0 0 12px rgba(99, 210, 255, 0.25) !important;
  backdrop-filter: blur(6px) !important;
  letter-spacing: 0.01em !important;
}

.blog-hero-reading-time {
  position: absolute;
  top: 20px;
  right: 24px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.blog-detail-hero h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.18;
  letter-spacing: 0;
}

.blog-detail-lead {
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.9;
}

.blog-author-box {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f8fafc;
}

.blog-author-avatar {
  display: block;
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff;
  object-fit: cover;
}

.blog-author-box p {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.blog-author-box span {
  color: var(--muted);
  font-size: 13px;
}

.blog-cover-figure {
  position: relative;
  margin: 44px 0 0;
  overflow: hidden;
  border: 1px solid #d8e2ec;
  border-radius: 8px;
  background: #0f172a;
  box-shadow: none;
}

.blog-cover-reading-time {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  color: #fff;
  background: rgba(0, 0, 0, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.blog-cover-placeholder {
  display: grid;
  min-height: 360px;
  place-items: center;
  padding: 36px;
  background:
    radial-gradient(circle at 78% 12%, rgba(14, 165, 233, 0.36), transparent 28%),
    linear-gradient(135deg, #0f172a, #164e63);
}

.blog-cover-placeholder div {
  max-width: 680px;
  color: #fff;
  text-align: center;
}

.blog-cover-placeholder span {
  display: block;
  margin-bottom: 12px;
  color: #67e8f9;
  font-size: 14px;
  font-weight: 800;
}

.blog-cover-placeholder strong {
  display: block;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.25;
}

.blog-cover-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.blog-detail-body {
  margin-top: 0;
  padding: 0;
  background: #fff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.blog-detail-body h2 {
  scroll-margin-top: 116px;
  margin: 52px 0 20px;
  padding: 16px 18px 16px 22px;
  border-left: 6px solid var(--blue);
  border-radius: 8px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(36, 119, 255, 0.14), rgba(52, 198, 216, 0.06) 56%, rgba(255, 255, 255, 0)),
    #f8fbff;
  font-size: 28px;
  line-height: 1.45;
}

.blog-detail-body h2:first-child {
  margin-top: 0;
}

.section-number {
  display: inline-block;
  margin-right: 10px;
  color: var(--blue);
  font-size: 0.72em;
  font-weight: 900;
  letter-spacing: 0.04em;
  vertical-align: middle;
  opacity: 0.7;
}

.blog-detail-body h3 {
  margin: 36px 0 14px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.5;
}

.blog-detail-body p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 2.1;
}

.blog-detail-body p + p {
  margin-top: 24px;
}

.blog-detail-body ul,
.blog-detail-body ol {
  margin: 20px 0 0;
  padding-left: 1.35em;
  color: var(--muted);
  background: transparent;
  font-size: 17px;
  line-height: 2;
}

.blog-detail-body li + li {
  margin-top: 8px;
}

.blog-detail-body li::marker {
  color: var(--blue);
  font-weight: 900;
}

.blog-section-figure {
  margin: 24px 0 28px;
}

.blog-section-figure img,
.blog-section-placeholder div {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid #d8e2ec;
  border-radius: 8px;
  background: #fff;
  box-shadow: none;
  object-fit: cover;
}

.blog-section-placeholder div {
  background:
    linear-gradient(135deg, rgba(248, 250, 252, 0.96), rgba(241, 245, 249, 0.96)),
    #fff;
}

.blog-section-figure figcaption {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.blog-toc {
  padding: 18px 20px 20px;
  background: var(--bg-soft);
  border-left: 3px solid var(--blue);
  border-radius: 0 8px 8px 0;
}

.blog-toc h2 {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.blog-toc nav {
  display: grid;
  gap: 2px;
}

.blog-toc a {
  display: block;
  padding: 5px 4px;
  color: #334155;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
  transition: color 0.15s ease;
}

.blog-toc a:hover {
  color: var(--blue);
}

.blog-toc a.blog-toc-child {
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--line-strong);
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

.blog-post-cta {
  margin-top: 56px;
  padding: 48px 40px;
  text-align: center;
  background: #f0f5fc;
  border: 1px solid #e8f0fb;
  border-radius: 16px;
}

.blog-list-cta .blog-post-cta {
  margin-top: 0;
}

.blog-post-cta .section-en {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.blog-post-cta h2 {
  margin: 0 0 16px;
  color: var(--text);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.5;
}

.blog-post-cta p {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.blog-related {
  margin-top: 72px;
}

.blog-related-head span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.blog-related-head h2 {
  margin: 6px 0 24px;
  font-size: 32px;
}

.blog-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.blog-related-card a {
  display: grid;
  gap: 12px;
  height: 100%;
  padding: 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 9px 22px rgba(18, 43, 68, 0.028);
}

.blog-related-card time {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.blog-related-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
}

.blog-related-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

@media (max-width: 980px) {
  .blog-list-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .blog-detail-aside {
    position: static;
  }

  .blog-related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .blog-list-hero {
    padding-top: 112px;
  }

  .blog-ai-hero {
    min-height: 480px;
  }


}

@media (max-width: 600px) {
  .blog-list-grid {
    grid-template-columns: 1fr;
  }
}