:root {
  --navy: #0d1f4e;
  --cyan: #0891b2;
  --cyan-dark: #0e7490;
  --ink: #111827;
  --sub: #475569;
  --line: #d9e1ea;
  --soft: #f7fafc;
  --white: #ffffff;
  --max: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--white);
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: .02em;
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(8, 145, 178, .42);
  outline-offset: 4px;
}

.container {
  margin-inline: auto;
  max-width: var(--max);
  padding-inline: 40px;
}

.site-header {
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  align-items: center;
  display: flex;
  height: 80px;
  justify-content: space-between;
}

.brand {
  align-items: center;
  color: var(--navy);
  display: inline-flex;
  font-family: "Inter", sans-serif;
  font-size: 23px;
  font-weight: 700;
  gap: 11px;
  letter-spacing: .01em;
}

.brand img {
  height: 36px;
  width: 36px;
}

.main-nav {
  align-items: center;
  display: flex;
  gap: 30px;
}

.main-nav a {
  color: #334155;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--cyan-dark);
}

.main-nav .nav-contact {
  background: var(--navy);
  color: var(--white);
  padding: 11px 21px;
}

.main-nav .nav-contact:hover {
  background: var(--cyan-dark);
  color: var(--white);
}

.menu-button {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--navy);
  cursor: pointer;
  display: none;
  flex-direction: column;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.menu-button span {
  background: currentColor;
  display: block;
  height: 2px;
  margin: 3px 0;
  width: 25px;
}

.hero {
  background:
    radial-gradient(circle at 82% 16%, rgba(14, 165, 233, .15), transparent 30%),
    radial-gradient(circle at 8% 90%, rgba(37, 99, 235, .07), transparent 32%),
    linear-gradient(115deg, #f4f9fc 0%, #eef7fb 55%, #e2f2f8 100%);
  overflow: hidden;
  position: relative;
}

.hero::before {
  background-image: radial-gradient(rgba(11, 36, 83, .12) .8px, transparent .8px);
  background-size: 18px 18px;
  content: "";
  inset: 0;
  opacity: .22;
  pointer-events: none;
  position: absolute;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: clamp(32px, 4vw, 64px);
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  min-height: min(680px, calc(100svh - 80px));
  padding-block: 86px;
  position: relative;
  z-index: 1;
}

.hero-copy {
  align-self: center;
  max-width: 760px;
  position: relative;
  text-align: left;
  z-index: 3;
}

.label {
  color: var(--cyan-dark);
  display: block;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.5;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.hero h1 {
  color: #0b2453;
  font-size: clamp(48px, 5.3vw, 72px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.22;
}

.hero h1 span {
  display: block;
}

.hero h1 .hero-tagline {
  color: #0b6b82;
  font-size: clamp(30px, 3.15vw, 44px);
  letter-spacing: .01em;
  line-height: 1.38;
  margin-top: 20px;
}

.hero-services-label {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 8px;
  justify-content: flex-start;
}

.hero .label {
  color: #0b6b82;
}

.hero-services-label span {
  white-space: nowrap;
}

.hero-services-label span:not(:last-child)::after {
  content: "／";
  margin-left: 8px;
}

.hero-lead {
  color: #3f5066;
  font-size: 18px;
  line-height: 2;
  margin-top: 30px;
  max-width: 690px;
}

.hero-lead span {
  display: block;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
  margin-top: 38px;
}

.hero .button-primary {
  background: #0b2453;
  color: var(--white);
}

.hero .button-primary:hover {
  background: #0b6b82;
  color: var(--white);
}

.hero .text-link {
  color: #0b2453;
}

.hero .text-link::after {
  color: #0b6b82;
}

.hero-visual {
  align-self: stretch;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  isolation: isolate;
  min-height: 540px;
  overflow: visible;
  position: relative;
  z-index: 1;
}

.hero-visual::before {
  background: radial-gradient(ellipse at 56% 46%, rgba(255, 255, 255, .94) 0%, rgba(56, 189, 248, .16) 42%, transparent 72%);
  content: "";
  filter: blur(16px);
  inset: 3% -24% -2% -20%;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.hero-visual picture {
  inset: -34px -110px -76px -90px;
  position: absolute;
  z-index: 1;
}

.hero-portrait {
  display: block;
  filter: drop-shadow(0 24px 34px rgba(11, 36, 83, .18)) drop-shadow(0 0 18px rgba(255, 255, 255, .46));
  height: 100%;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 86%, rgba(0, 0, 0, .94) 91%, rgba(0, 0, 0, .55) 96%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 86%, rgba(0, 0, 0, .94) 91%, rgba(0, 0, 0, .55) 96%, transparent 100%);
  object-fit: contain;
  object-position: center bottom;
  width: 100%;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  display: inline-flex;
  font-size: 16px;
  font-weight: 700;
  justify-content: center;
  min-height: 54px;
  padding: 13px 26px;
}

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

.button-primary:hover {
  background: var(--navy);
}

.text-link {
  align-items: center;
  color: var(--navy);
  display: inline-flex;
  font-size: 16px;
  font-weight: 700;
  gap: 12px;
}

.text-link::after {
  content: "→";
  color: var(--cyan-dark);
}

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

.trust-showcase {
  background: #fff;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  overflow: hidden;
  padding: 72px 0 76px;
}

.trust-proof-grid {
  align-items: center;
  display: grid;
  gap: clamp(30px, 5vw, 72px);
  grid-template-columns: minmax(0, 1.15fr) repeat(2, minmax(210px, .85fr));
}

.trust-proof-message {
  color: var(--cyan-dark);
  font-size: clamp(23px, 2.4vw, 32px);
  font-weight: 700;
  line-height: 1.6;
}

.trust-proof-message span {
  display: block;
}

.trust-metric {
  border-left: 1px solid var(--line);
  display: grid;
  padding-left: clamp(24px, 3.2vw, 46px);
}

.trust-metric > span {
  color: #334155;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.trust-metric strong {
  align-items: baseline;
  color: var(--cyan-dark);
  display: flex;
  flex-wrap: nowrap;
  font-size: clamp(21px, 2.2vw, 30px);
  line-height: 1.3;
  margin-top: 3px;
  white-space: nowrap;
}

.trust-metric strong b {
  font-family: "Inter", sans-serif;
  font-size: clamp(42px, 5vw, 64px);
  letter-spacing: -.04em;
}

.trust-metric small {
  color: #64748b;
  font-size: 10px;
  line-height: 1.5;
  margin-top: 2px;
}

.partner-logo-marquee {
  margin-top: 56px;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
}

.partner-logo-marquee::-webkit-scrollbar {
  display: none;
}

.partner-logo-marquee.is-animated {
  overflow: hidden;
  touch-action: pan-y;
}

.partner-logo-track {
  display: flex;
  gap: 18px;
  padding: 2px 0 10px;
  width: max-content;
}

.partner-logo-marquee.is-animated .partner-logo-track {
  animation: partner-scroll 34s linear infinite;
  will-change: transform;
}

.partner-logo-marquee.is-animated:focus-within .partner-logo-track {
  animation-play-state: paused;
}

@media (hover: hover) and (pointer: fine) {
  .partner-logo-marquee.is-animated:hover .partner-logo-track {
    animation-play-state: paused;
  }
}

.partner-logo-set {
  display: grid;
  flex: none;
  gap: 18px;
  grid-auto-columns: clamp(230px, 20vw, 310px);
  grid-auto-flow: column;
  grid-template-rows: repeat(2, 112px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.partner-logo-item {
  align-items: center;
  background: #fff;
  border: 1px solid #e5ebf1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 15px 22px 11px;
}

.partner-logo-visual {
  align-items: center;
  display: flex;
  flex: 1 1 auto;
  justify-content: center;
  min-height: 54px;
  width: 100%;
}

.partner-logo-visual img {
  height: auto;
  object-fit: contain;
  width: auto;
}

.partner-logo-item-tokyu img {
  max-height: 42px;
  max-width: 100%;
}

.partner-logo-item-log img {
  max-height: 42px;
  max-width: 150px;
}

.partner-logo-item-n1 img {
  max-height: 50px;
  max-width: 182px;
}

.partner-logo-item-beyont img {
  max-height: 52px;
  max-width: 164px;
}

.partner-logo-item-tokyo-mx img {
  max-height: 58px;
  max-width: 142px;
}

.partner-media-name {
  color: #111827;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.2;
  white-space: nowrap;
}

.partner-logo-relation {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.partner-logo-relation-visible {
  clip: auto;
  clip-path: none;
  color: #475569;
  font-size: 10px;
  font-weight: 700;
  height: auto;
  line-height: 1.35;
  margin-top: 2px;
  overflow: visible;
  position: static;
  text-align: center;
  white-space: normal;
  width: auto;
}

@keyframes partner-scroll {
  to {
    transform: translateX(calc(-50% - 9px));
  }
}

.section {
  padding-block: 116px;
}

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

.section-heading {
  display: grid;
  gap: 40px;
  grid-template-columns: 180px minmax(0, 1fr);
  margin-bottom: 58px;
}

.section-heading .label {
  margin: 10px 0 0;
}

.section-heading h2,
.subpage-title,
.contact-panel h2 {
  color: var(--navy);
  font-size: clamp(36px, 4.2vw, 50px);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.34;
}

.section-heading p {
  color: var(--sub);
  font-size: 17px;
  margin-top: 18px;
  max-width: 690px;
}

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

.service-row {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 28px;
  grid-template-columns: 56px minmax(230px, .8fr) minmax(300px, 1fr) 34px;
  min-height: 190px;
  padding-block: 30px;
}

.service-row:hover .row-arrow,
.article-row:hover .row-arrow {
  color: var(--cyan-dark);
  transform: translateX(4px);
}

.row-number,
.article-meta {
  color: var(--cyan-dark);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
}

.service-main h3 {
  color: var(--navy);
  font-size: clamp(23px, 2.5vw, 31px);
  font-weight: 700;
  line-height: 1.45;
}

.service-main p,
.article-row p {
  color: var(--sub);
  font-size: 17px;
  line-height: 1.9;
}

.service-main,
.service-proof {
  min-width: 0;
}

.service-main p {
  margin-top: 8px;
}

.service-proof {
  background: var(--soft);
  border-left: 3px solid var(--cyan-dark);
  display: grid;
  gap: 3px;
  padding: 14px 16px;
}

.service-proof-label {
  color: var(--cyan-dark);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.service-proof strong {
  color: var(--navy);
  font-size: 17px;
  line-height: 1.55;
}

.service-proof small {
  color: var(--sub);
  font-size: 15px;
  line-height: 1.65;
}

.service-row-split {
  isolation: isolate;
  position: relative;
}

.service-row-action {
  border-radius: inherit;
  inset: 0;
  position: absolute;
  z-index: 1;
}

.service-row-split > .row-number,
.service-row-split > .service-main,
.service-row-split > .row-arrow {
  pointer-events: none;
  position: relative;
  z-index: 2;
}

.service-proof-link {
  cursor: pointer;
  position: relative;
  text-decoration: none;
  transition: box-shadow .2s ease, transform .2s ease;
  z-index: 3;
}

.service-proof-link:hover {
  box-shadow: 0 10px 24px rgba(2, 19, 48, .16);
  transform: translateY(-2px);
}

.service-proof-cta {
  align-items: center;
  color: #67e8f9;
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  gap: 6px;
  margin-top: 5px;
}

.service-row-action:focus-visible,
.service-proof-link:focus-visible {
  outline: 3px solid #67e8f9;
  outline-offset: 3px;
}

.row-arrow {
  color: var(--navy);
  font-size: 24px;
  transition: .2s ease;
}

.section-note {
  color: var(--sub);
  font-size: 14px;
  margin-top: 28px;
}

.service-stage {
  --service-accent-rgb: 34, 211, 238;
  --service-stage-bg: #0b2545;
  background-color: var(--service-stage-bg);
  color: var(--white);
  isolation: isolate;
  overflow: hidden;
  position: relative;
  transition: background-color .45s ease;
}

.service-stage::before {
  background-image:
    linear-gradient(rgba(4, 16, 42, .2), rgba(4, 16, 42, .46)),
    radial-gradient(circle at 88% 18%, rgba(var(--service-accent-rgb), .3), transparent 34%),
    radial-gradient(circle at 8% 88%, rgba(var(--service-accent-rgb), .14), transparent 28%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 90px);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: -2;
}

.service-stage::after {
  border: 9px solid rgba(var(--service-accent-rgb), .22);
  border-radius: 50%;
  box-shadow: 0 0 0 20px rgba(var(--service-accent-rgb), .06);
  content: "";
  height: 320px;
  pointer-events: none;
  position: absolute;
  right: -150px;
  top: 6%;
  transition: border-color .45s ease, box-shadow .45s ease;
  width: 320px;
  z-index: -1;
}

.service-stage[data-active-service="training"] {
  --service-accent-rgb: 34, 211, 238;
  --service-stage-bg: #0b2545;
}

.service-stage[data-active-service="speaking"] {
  --service-accent-rgb: 45, 212, 191;
  --service-stage-bg: #073b4c;
}

.service-stage[data-active-service="media"] {
  --service-accent-rgb: 103, 232, 249;
  --service-stage-bg: #0b2f4f;
}

.service-stage[data-active-service="ocha"] {
  --service-accent-rgb: 251, 191, 36;
  --service-stage-bg: #173047;
}

.service-stage[data-active-service="katazuku"] {
  --service-accent-rgb: 56, 189, 248;
  --service-stage-bg: #0f2552;
}

.service-stage[data-active-service="automation"] {
  --service-accent-rgb: 96, 165, 250;
  --service-stage-bg: #111b45;
}
.service-stage[data-active-service="web"] {
  --service-accent-rgb: 45, 212, 191;
  --service-stage-bg: #0a3145;
}

.service-stage > .container {
  position: relative;
  z-index: 1;
}

.service-stage .label,
.service-stage .row-number,
.service-stage .service-proof-label {
  color: #67e8f9;
}

.service-stage .section-heading h2,
.service-stage .service-main h3,
.service-stage .service-proof strong {
  color: var(--white);
}

.service-stage .section-heading p,
.service-stage .service-main p,
.service-stage .service-proof small,
.service-stage .section-note {
  color: #dbe7f2;
}

.service-stage .service-list {
  border-top-color: rgba(255, 255, 255, .24);
  display: grid;
  gap: 10px;
}

.service-stage .service-row {
  background: rgba(3, 15, 38, .26);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  padding-inline: 20px;
  transition: background-color .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.service-stage .service-proof {
  background: rgba(255, 255, 255, .09);
  border-left-color: #67e8f9;
}

.service-stage .row-arrow {
  color: var(--white);
}

.service-stage .service-row:is(.is-active, :focus-visible) {
  background: rgba(255, 255, 255, .98);
  border-color: rgba(255, 255, 255, .98);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .2);
}

.service-stage .service-row:is(.is-active, :focus-visible) .service-main h3,
.service-stage .service-row:is(.is-active, :focus-visible) .service-proof strong,
.service-stage .service-row:is(.is-active, :focus-visible) .row-arrow {
  color: var(--navy);
}

.service-stage .service-row:is(.is-active, :focus-visible) .service-main p,
.service-stage .service-row:is(.is-active, :focus-visible) .service-proof small {
  color: #334155;
}

.service-stage .service-row:is(.is-active, :focus-visible) .row-number,
.service-stage .service-row:is(.is-active, :focus-visible) .service-proof-label {
  color: var(--cyan-dark);
}

.service-stage .service-row:is(.is-active, :focus-visible) .service-proof {
  background: #eef8fb;
  border-left-color: var(--cyan-dark);
}

.service-stage .service-row.is-active .service-proof-cta {
  color: var(--cyan-dark);
}

.service-stage .service-row:focus-visible {
  outline-color: #67e8f9;
  outline-width: 3px;
}

.media-stack {
  display: grid;
  gap: 68px;
}

.youtube-showcase {
  min-width: 0;
}

.youtube-showcase-head {
  align-items: flex-end;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 28px;
}

.youtube-channel-heading {
  align-items: center;
  display: flex;
  gap: 16px;
}

.youtube-channel-heading h3 {
  color: var(--navy);
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.4;
}

.youtube-marquee {
  margin-inline: -40px;
  overflow: hidden;
  padding: 4px 40px 16px;
  position: relative;
}

.youtube-marquee::before,
.youtube-marquee::after {
  bottom: 0;
  content: "";
  pointer-events: none;
  position: absolute;
  top: 0;
  width: 54px;
  z-index: 2;
}

.youtube-marquee::before {
  background: linear-gradient(90deg, var(--white), rgba(255, 255, 255, 0));
  left: 0;
}

.youtube-marquee::after {
  background: linear-gradient(270deg, var(--white), rgba(255, 255, 255, 0));
  right: 0;
}

.youtube-track {
  animation: youtube-scroll 54s linear infinite;
  animation-duration: var(--marquee-duration, 54s);
  display: flex;
  width: max-content;
  will-change: transform;
}

.youtube-set {
  display: flex;
  gap: 22px;
  padding-right: 22px;
}

.youtube-card {
  display: block;
  flex: 0 0 clamp(286px, 30vw, 352px);
  width: clamp(286px, 30vw, 352px);
}

.youtube-card:focus-visible {
  outline: 3px solid rgba(14, 116, 144, .35);
  outline-offset: 4px;
}

.youtube-thumb {
  aspect-ratio: 16 / 9;
  background: #e2e8f0;
  display: block;
  overflow: hidden;
  position: relative;
}

.youtube-thumb::after {
  background: rgba(13, 31, 78, .1);
  content: "";
  inset: 0;
  opacity: 0;
  position: absolute;
  transition: opacity .25s ease;
}

.youtube-thumb img {
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
  width: 100%;
}

.article-media-card .youtube-meta {
  color: var(--cyan-dark);
  font-weight: 700;
}

.youtube-content-type {
  align-items: center;
  background: #eaf8f4;
  border: 1px solid #a7e0d0;
  border-radius: 999px;
  color: #087c68;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  margin-top: 13px;
  padding: 4px 10px;
}

.article-media-card.is-article .youtube-content-type {
  background: #eef7fb;
  border-color: #bedce8;
  color: var(--cyan-dark);
}

.youtube-title {
  color: var(--ink);
  display: -webkit-box;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  margin-top: 8px;
  min-height: 3.3em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.youtube-meta {
  color: var(--sub);
  display: block;
  font-size: 13px;
  line-height: 1.5;
  margin-top: 7px;
}

.youtube-card:hover .youtube-thumb img {
  transform: scale(1.025);
}

.youtube-card:hover .youtube-thumb::after {
  opacity: 1;
}

.youtube-marquee:hover .youtube-track,
.youtube-marquee:focus-within .youtube-track {
  animation-play-state: paused;
}

@keyframes youtube-scroll {
  to {
    transform: translateX(-50%);
  }
}

.media-articles {
  max-width: 900px;
}

.media-articles-head {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.media-articles-head h3 {
  color: var(--navy);
  font-size: 24px;
  font-weight: 700;
}

.article-row {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 30px;
  min-height: 106px;
  padding-block: 20px;
}

.article-row h4 {
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.75;
  margin-top: 5px;
}

.social-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-top: 50px;
}

.social-links strong {
  color: var(--navy);
  font-size: 15px;
}

.social-links a {
  color: var(--sub);
  font-size: 15px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.representative-heading {
  display: grid;
  gap: 40px;
  grid-template-columns: 180px minmax(0, 1fr);
  margin-bottom: 54px;
}

.representative-heading .label {
  margin: 10px 0 0;
}

.representative-heading h2 {
  color: var(--navy);
  font-size: clamp(36px, 4.2vw, 50px);
  font-weight: 700;
  line-height: 1.34;
}

.home-representative {
  align-items: center;
  display: grid;
  gap: clamp(42px, 6vw, 76px);
  grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr);
}

.representative-portrait {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 22px 60px rgba(13, 31, 78, .08);
  max-width: 420px;
}

.representative-portrait-image {
  align-items: flex-end;
  aspect-ratio: 4 / 5;
  background:
    radial-gradient(circle at 28% 24%, rgba(34, 211, 238, .22), transparent 34%),
    linear-gradient(145deg, #eef9fc 0%, #dbe8f1 100%);
  display: flex;
  overflow: hidden;
}

.representative-portrait-image img {
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  transform: translateX(11%);
  width: 100%;
}

.representative-portrait figcaption {
  display: grid;
  padding: 20px 22px 22px;
}

.representative-portrait figcaption small {
  color: var(--cyan-dark);
  font-size: 12px;
  font-weight: 700;
}

.representative-portrait figcaption strong {
  color: var(--navy);
  font-size: 23px;
  font-weight: 700;
  margin-top: 4px;
}

.representative-portrait figcaption span {
  color: #64748b;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  margin-top: 2px;
}

.representative-copy > p {
  color: var(--sub);
  font-size: 16px;
  line-height: 2;
  margin-top: 20px;
}

.representative-copy .representative-message {
  color: var(--navy);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.5;
  margin-top: 0;
}

.stream-origin {
  background: var(--white);
  border-left: 4px solid var(--cyan-dark);
  margin-block: 30px;
  padding: 24px 26px;
}

.stream-origin > span {
  color: var(--cyan-dark);
  font-size: 13px;
  font-weight: 700;
}

.stream-origin p {
  color: var(--sub);
  font-size: 15px;
  line-height: 1.95;
  margin-top: 9px;
}

.stream-origin strong {
  color: var(--navy);
  display: block;
  font-size: 20px;
  line-height: 1.6;
  margin-top: 14px;
}

.stream-origin-link {
  color: inherit;
  display: block;
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.stream-origin-link small {
  align-items: center;
  color: var(--navy);
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  gap: 8px;
  margin-top: 15px;
}

.stream-origin-link small::after {
  color: var(--cyan-dark);
  content: "→";
}

.stream-origin-link:hover {
  border-left-color: var(--navy);
  box-shadow: 0 12px 30px rgba(13, 31, 78, .1);
  transform: translateY(-2px);
}

.stream-origin-link:hover small {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.stream-origin-link:focus-visible {
  outline: 3px solid rgba(8, 145, 178, .42);
  outline-offset: 3px;
}

/* 代表者紹介 → 代表ストーリーへの導線 */
.representative-story {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  color: inherit;
  display: block;
  margin-block: 30px;
  padding: 24px 26px;
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.representative-story:hover {
  border-color: var(--cyan);
  box-shadow: 0 12px 30px rgba(13, 31, 78, .1);
  transform: translateY(-2px);
}

.representative-story:focus-visible {
  outline: 3px solid rgba(8, 145, 178, .42);
  outline-offset: 3px;
}

.representative-story-label {
  color: var(--cyan-dark);
  display: block;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.representative-story strong {
  color: var(--navy);
  display: block;
  font-size: 19px;
  line-height: 1.6;
  margin-top: 8px;
}

.representative-story p {
  color: var(--sub);
  font-size: 15px;
  line-height: 1.95;
  margin-top: 10px;
}

.representative-story-cta {
  align-items: center;
  color: var(--navy);
  display: inline-flex;
  font-size: 15px;
  font-weight: 700;
  gap: 10px;
  margin-top: 16px;
}

.representative-story-cta::after {
  color: var(--cyan-dark);
  content: "→";
  transition: transform .18s ease;
}

.representative-story:hover .representative-story-cta {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.representative-story:hover .representative-story-cta::after {
  transform: translateX(3px);
}

@media (prefers-reduced-motion: reduce) {
  .representative-story,
  .representative-story-cta::after {
    transition: none;
  }

  .representative-story:hover {
    transform: none;
  }
}

.contact-section {
  background: var(--navy);
  color: var(--white);
  padding-block: 104px;
  scroll-margin-top: 80px;
}

.contact-panel {
  align-items: start;
  display: grid;
  gap: 52px;
  grid-template-columns: minmax(280px, .72fr) minmax(520px, 1.28fr);
}

.contact-panel .label {
  color: #67e8f9;
}

.contact-panel h2 {
  color: var(--white);
}

.contact-panel p {
  color: #d7e1ed;
  margin-top: 18px;
}

.contact-alternative {
  font-size: 14px;
  margin-top: 32px !important;
}

.contact-email {
  color: var(--white);
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
  margin-top: 12px;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, .55);
  text-underline-offset: 6px;
}

.contact-email:hover {
  color: #cffafe;
  text-decoration-color: currentColor;
}

.contact-panel .button-primary {
  background: var(--cyan-dark);
  color: var(--white);
  margin-top: 28px;
  width: 100%;
}

.contact-panel .button-primary:hover {
  background: var(--navy);
}

.contact-form {
  background: var(--white);
  color: var(--ink);
  padding: 40px;
}

.home-contact-form-heading {
  margin-bottom: 28px;
}

.home-contact-form-heading h3 {
  color: var(--navy);
  font-size: clamp(23px, 2.4vw, 30px);
  line-height: 1.5;
}

.contact-panel .home-contact-form-heading p {
  color: var(--sub);
  font-size: 14px;
  line-height: 1.75;
  margin-top: 8px;
}

.form-grid {
  display: grid;
  gap: 24px 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field label,
.form-consent label {
  color: var(--navy);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

.form-required,
.form-optional {
  font-size: 12px;
  margin-left: 7px;
}

.form-required {
  color: var(--cyan-dark);
}

.form-optional {
  color: var(--sub);
  font-weight: 500;
}

.contact-form input:not([type="checkbox"]),
.contact-form select,
.contact-form textarea {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  min-height: 52px;
  padding: 12px 14px;
  width: 100%;
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-form input:not([type="checkbox"]):hover,
.contact-form select:hover,
.contact-form textarea:hover {
  border-color: #94a3b8;
}

.contact-form input:focus-visible,
.contact-form select:focus-visible,
.contact-form textarea:focus-visible {
  border-color: var(--cyan-dark);
  outline-offset: 2px;
}

.contact-form .form-hint,
.contact-form .form-note {
  color: var(--sub);
  font-size: 13px;
  line-height: 1.7;
  margin-top: 0;
}

.form-consent {
  display: grid;
  gap: 12px;
  grid-template-columns: 22px minmax(0, 1fr);
  margin-top: 26px;
}

.form-consent input {
  accent-color: var(--cyan-dark);
  height: 20px;
  margin-top: 3px;
  width: 20px;
}

.form-consent-copy {
  display: grid;
  gap: 4px;
}

.form-consent-copy a {
  color: var(--cyan-dark);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-form .form-note {
  margin-top: 12px;
  text-align: center;
}

.form-status {
  border: 1px solid;
  font-size: 14px;
  line-height: 1.8;
  margin-top: 18px !important;
  padding: 14px 16px;
}

.contact-form .form-status.is-success {
  background: #ecfdf5;
  border-color: #86efac;
  color: #166534;
}

.contact-form .form-status.is-error {
  background: #fff7ed;
  border-color: #fdba74;
  color: #9a3412;
}

.contact-form button:disabled {
  cursor: wait;
  opacity: .7;
}

.netlify-honeypot {
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px !important;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.thanks-section {
  background: var(--soft);
  min-height: 62vh;
  padding-block: 110px;
}

.thanks-panel {
  background: var(--white);
  border-top: 4px solid var(--cyan-dark);
  margin-inline: auto;
  max-width: 780px;
  padding: 56px;
}

.thanks-panel h1 {
  color: var(--navy);
  font-size: clamp(34px, 5vw, 50px);
  line-height: 1.4;
}

.thanks-panel p {
  color: var(--sub);
  margin-top: 22px;
}

.thanks-panel .button {
  margin-top: 32px;
}

.site-footer {
  background: #091529;
  color: #a8b4c5;
  padding: 64px 0 30px;
}

.footer-grid {
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  display: grid;
  gap: 60px;
  grid-template-columns: 1fr auto;
  padding-bottom: 48px;
}

.site-footer .brand {
  color: var(--white);
}

.footer-about p {
  font-size: 14px;
  line-height: 1.9;
  margin-top: 18px;
  max-width: 430px;
}

.footer-email {
  color: var(--white);
  display: inline-block;
  font-size: 14px;
  margin-top: 12px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-links {
  display: grid;
  gap: 54px;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
}

.footer-links h2 {
  color: var(--white);
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 17px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  margin-top: 10px;
}

.footer-links a:hover {
  color: var(--white);
}

.copyright {
  font-size: 13px;
  padding-top: 26px;
  text-align: center;
}

/* Company page */
.subpage-hero {
  padding: 92px 0 76px;
}

.subpage-hero .label {
  margin-bottom: 20px;
}

.subpage-title {
  font-size: clamp(48px, 7vw, 76px);
}

.subpage-lead {
  color: var(--sub);
  margin-top: 22px;
  max-width: 650px;
}

.contact-request-phrase {
  white-space: nowrap;
}

.company-visual {
  background: linear-gradient(145deg, var(--soft) 0%, #e6f7fb 100%);
  height: clamp(380px, 52vw, 620px);
  overflow: hidden;
}

.company-visual img {
  height: 100%;
  object-fit: cover;
  object-position: center center;
  width: 100%;
}

.representative-layout {
  display: grid;
  gap: 80px;
  grid-template-columns: 240px minmax(0, 650px);
  justify-content: center;
}

.representative-layout .label {
  margin-top: 9px;
}

.representative-layout h2 {
  color: var(--navy);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.4;
}

.representative-layout .name-reading {
  color: var(--sub);
  font-family: "Inter", sans-serif;
  font-size: 14px;
  letter-spacing: .08em;
  margin-top: 4px;
}

.representative-layout p {
  color: var(--sub);
  margin-top: 24px;
}

.company-table {
  margin: 0 auto;
  max-width: 860px;
}

.company-row {
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  padding-block: 32px;
}

.company-row dt {
  color: var(--cyan-dark);
  font-size: 14px;
  font-weight: 700;
}

.company-row dd {
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.9;
}

.company-row dd a {
  color: var(--cyan-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (min-width: 961px) and (max-width: 1120px) {
  .hero-visual picture {
    inset: -20px -40px -70px -64px;
  }
}

@media (max-width: 960px) {
  .main-nav {
    background: var(--white);
    border-bottom: 1px solid var(--line);
    display: none;
    left: 0;
    padding: 18px 24px 28px;
    position: absolute;
    right: 0;
    top: 80px;
  }

  .main-nav.is-open {
    align-items: stretch;
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    border-bottom: 1px solid var(--line);
    font-size: 16px;
    padding: 14px 4px;
  }

  .main-nav .nav-contact {
    border: 0;
    margin-top: 18px;
    text-align: center;
  }

  .menu-button {
    display: flex;
  }

  .hero-grid {
    gap: 20px;
    grid-template-columns: minmax(0, 1fr) 320px;
    min-height: 620px;
    padding-block: 68px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-visual {
    min-height: 440px;
  }

  .hero-visual picture {
    inset: -8px -38px -52px;
  }

  .trust-proof-grid {
    gap: 28px 38px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-proof-message {
    grid-column: 1 / -1;
    text-align: center;
  }

  .trust-metric:first-of-type {
    border-left: 0;
    padding-left: 0;
  }

  .partner-logo-set {
    grid-auto-columns: minmax(230px, 29vw);
  }

  .partner-logo-item {
    flex-basis: 196px;
    min-height: 108px;
    padding: 14px 16px 11px;
  }

  .partner-logo-item-tokyu img {
    max-height: 40px;
  }

  .partner-logo-item-log img {
    max-height: 36px;
    max-width: 116px;
  }

  .section-heading {
    gap: 14px;
    grid-template-columns: 1fr;
  }

  .service-row {
    gap: 22px;
    grid-template-columns: 48px minmax(200px, .8fr) minmax(250px, 1fr) 30px;
  }

  .home-representative {
    gap: 44px;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
    line-height: 1.9;
  }

  .container {
    padding-inline: 20px;
  }

  .header-inner {
    height: 72px;
  }

  .main-nav {
    top: 72px;
  }

  .brand {
    font-size: 21px;
  }

  .brand img {
    height: 32px;
    width: 32px;
  }

  .hero-grid {
    display: block;
    min-height: auto;
    padding-block: 58px 62px;
  }

  .hero-copy {
    max-width: none;
    text-align: left;
  }

  .hero-lead {
    margin-inline: 0;
  }

  .hero-visual {
    aspect-ratio: auto;
    bottom: auto;
    height: 310px;
    margin: 22px 0 -62px;
    min-height: 0;
    position: relative;
    right: auto;
    width: 100%;
  }

  .hero-visual::before {
    inset: 0 -14% -3% -14%;
  }

  .hero-visual picture {
    inset: 0 -18px -38px;
  }

  .hero-portrait {
    object-position: center bottom;
  }

  .trust-showcase {
    padding: 48px 0 52px;
  }

  .trust-proof-grid {
    gap: 24px 18px;
  }

  .trust-proof-message {
    font-size: 23px;
    text-align: left;
  }

  .trust-metric {
    padding-left: 16px;
  }

  .trust-metric > span {
    font-size: 12px;
  }

  .trust-metric strong {
    font-size: 17px;
  }

  .trust-metric strong b {
    font-size: clamp(32px, 10vw, 42px);
  }

  .partner-logo-set {
    grid-auto-columns: minmax(190px, 72vw);
    grid-template-rows: repeat(2, 102px);
  }

  .hero-partners {
    padding: 24px 18px 20px;
  }

  .hero-partners h2 {
    font-size: 25px;
  }

  .hero-partners-title-row {
    align-items: flex-start;
    gap: 12px;
  }

  .partner-logo-marquee {
    margin-top: 36px;
  }

  .partner-logo-marquee.is-animated .partner-logo-track {
    animation-duration: 42s;
  }

  .partner-logo-track,
  .partner-logo-set {
    gap: 14px;
  }

  .partner-logo-item {
    flex-basis: 178px;
    min-height: 102px;
    padding: 13px 14px 10px;
  }

  .partner-logo-item-tokyu img {
    max-height: 38px;
  }

  .partner-logo-item-log img {
    max-height: 34px;
    max-width: 112px;
  }

  .partner-logo-item-n1 img {
    max-height: 42px;
    max-width: 146px;
  }

  .partner-logo-item-beyont img {
    max-height: 44px;
    max-width: 138px;
  }

  .partner-logo-item-tokyo-mx img {
    max-height: 50px;
    max-width: 118px;
  }

  .partner-media-name {
    font-size: 17px;
  }

  .partner-logo-relation {
    font-size: 9px;
    letter-spacing: .02em;
  }

  .label {
    font-size: 13px;
    margin-bottom: 17px;
  }

  .hero h1 {
    font-size: clamp(35px, 10.2vw, 43px);
    line-height: 1.34;
  }

  .hero h1 .hero-tagline {
    font-size: clamp(26px, 7.5vw, 32px);
    line-height: 1.5;
    margin-top: 17px;
  }

  .hero-lead {
    font-size: 16px;
    line-height: 1.95;
    margin-top: 24px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
    margin-top: 30px;
  }

  .button {
    width: 100%;
  }

  .hero-actions .text-link {
    justify-content: flex-start;
    padding-inline: 4px;
  }

  .section {
    padding-block: 80px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2,
  .contact-panel h2 {
    font-size: 31px;
    line-height: 1.4;
  }

  .section-heading p {
    font-size: 16px;
    line-height: 1.9;
  }

  .service-row {
    align-items: start;
    gap: 10px 12px;
    grid-template-columns: 1fr 28px;
    min-height: 0;
    padding-block: 24px;
  }

  .service-row .row-number,
  .service-row .service-main,
  .service-row .service-proof {
    grid-column: 1;
  }

  .service-row .row-number {
    grid-row: 1;
  }

  .service-row .service-main {
    grid-row: 2;
  }

  .service-row .service-proof {
    grid-row: 3;
    margin-top: 4px;
    padding: 13px 14px;
  }

  .service-row .row-arrow {
    align-self: center;
    grid-column: 2;
    grid-row: 2 / span 2;
  }

  .service-main h3 {
    font-size: 23px;
    margin-top: 2px;
  }

  .service-main p {
    font-size: 16px;
    line-height: 1.75;
    margin-top: 7px;
  }

  .service-proof strong {
    font-size: 16px;
  }

  .service-proof small {
    font-size: 15px;
  }

  .service-stage .service-row {
    border-radius: 14px;
    padding: 22px 18px;
  }

  .service-stage::after {
    height: 220px;
    right: -128px;
    top: 4%;
    width: 220px;
  }

  .media-stack {
    gap: 44px;
  }

  .youtube-showcase-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 24px;
  }

  .youtube-channel-heading {
    gap: 13px;
  }

  .youtube-channel-heading h3 {
    font-size: 25px;
  }

  .youtube-marquee {
    margin-inline: -20px;
    padding-inline: 20px;
  }

  .youtube-marquee::before,
  .youtube-marquee::after {
    width: 25px;
  }

  .youtube-set {
    gap: 16px;
    padding-right: 16px;
  }

  .youtube-card {
    flex-basis: 282px;
    width: 282px;
  }

  .article-row h4 {
    font-size: 16px;
  }

  .social-links {
    align-items: flex-start;
    flex-direction: column;
    margin-top: 40px;
  }

  .representative-heading {
    gap: 10px;
    grid-template-columns: 1fr;
    margin-bottom: 32px;
  }

  .representative-heading .label {
    margin: 0;
  }

  .representative-heading h2 {
    font-size: 31px;
  }

  .home-representative {
    gap: 34px;
    grid-template-columns: 1fr;
  }

  .representative-portrait {
    margin-inline: auto;
    max-width: 380px;
    width: 100%;
  }

  .representative-copy .representative-message {
    font-size: 25px;
  }

  .representative-copy > p {
    font-size: 16px;
    line-height: 1.9;
  }

  .stream-origin {
    padding: 20px 18px;
  }

  .stream-origin p {
    font-size: 14px;
  }

  .stream-origin strong {
    font-size: 18px;
  }

  .contact-section {
    padding-block: 58px;
  }

  .contact-panel {
    align-items: stretch;
    gap: 28px;
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .home-contact-form-heading {
    margin-bottom: 22px;
  }

  .home-contact-form-heading h3 {
    font-size: 22px;
  }

  .form-grid {
    gap: 18px;
    grid-template-columns: 1fr;
  }

  .form-field-full {
    grid-column: auto;
  }

  .thanks-section {
    padding-block: 72px;
  }

  .thanks-panel {
    padding: 36px 24px;
  }

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

  .footer-links {
    gap: 38px;
    grid-template-columns: 1fr;
  }

  .subpage-hero {
    padding: 64px 0 52px;
  }

  .subpage-title {
    font-size: 44px;
  }

  .company-visual {
    height: 70vw;
    min-height: 310px;
  }

  .representative-layout {
    gap: 24px;
    grid-template-columns: 1fr;
  }

  .representative-layout .label {
    margin: 0;
  }

  .company-row {
    gap: 7px;
    grid-template-columns: 1fr;
    padding-block: 28px;
  }

  .company-row dt {
    font-size: 13px;
  }

  .company-row dd {
    font-size: 16px;
    line-height: 2;
  }
}

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

  * {
    transition: none !important;
  }

  .partner-logo-marquee.is-animated {
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .partner-logo-marquee.is-animated .partner-logo-track {
    animation: none;
    transform: none;
    will-change: auto;
  }

  .partner-logo-set[aria-hidden="true"] {
    display: none;
  }

  .partner-logo-item {
    scroll-snap-align: start;
  }

  .youtube-marquee {
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .youtube-marquee::before,
  .youtube-marquee::after {
    display: none;
  }

  .youtube-track {
    animation: none;
    will-change: auto;
  }

  .youtube-set[aria-hidden="true"] {
    display: none;
  }

  .youtube-card {
    scroll-snap-align: start;
  }
}