:root {
  --bg: #f5f5f2;
  --paper: #fbfbf8;
  --ink: #101010;
  --muted: #717171;
  --line: rgba(16, 16, 16, 0.16);
  --dark: #111111;
  --white: #f7f7f5;
  --page: min(92vw, 1480px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button {
  color: inherit;
  font: inherit;
}

::selection {
  background: #111;
  color: #fff;
}

.cursor-glow {
  position: fixed;
  inset: 0 auto auto 0;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(255,255,255,.9) 0%, rgba(255,255,255,0) 68%);
  opacity: .5;
  transform: translate(-50%, -50%);
  mix-blend-mode: soft-light;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 50%;
  width: var(--page);
  height: 92px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(16,16,16,.1);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.brand-logo {
  display: block;
  width: 132px;
  height: auto;
}

.brand-ja {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .06em;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 11px;
  letter-spacing: .14em;
}

.global-nav a {
  position: relative;
}

.global-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s ease;
}

.global-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.hero {
  position: relative;
  width: var(--page);
  min-height: 100svh;
  margin: 0 auto;
  padding: 112px 0 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(340px, .88fr);
  grid-template-rows: 1fr;
  gap: 0;
}

.hero-copy-panel {
  position: relative;
  min-height: calc(100svh - 154px);
  padding: 38px 6.2vw 38px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.hero-kicker,
.section-label,
.business-en,
.business-number,
.contact-kicker {
  font-size: 10px;
  letter-spacing: .17em;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: 8vh 0 5vh;
}

.hero-en {
  margin: 0 0 34px;
  font-size: clamp(64px, 8.5vw, 138px);
  line-height: .82;
  letter-spacing: -.072em;
  font-weight: 400;
}

.hero h1 {
  max-width: 940px;
  margin: 0;
  font-size: clamp(28px, 3.6vw, 56px);
  line-height: 1.25;
  letter-spacing: -.045em;
  font-weight: 500;
}

.hero-ja span {
  display: block;
}

.hero-ja span:first-child {
  white-space: nowrap;
}

.hero-lead {
  margin: 27px 0 0;
  font-size: clamp(12px, 1vw, 15px);
  line-height: 2;
  color: #666;
}

.hero-meta {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(180px, .8fr) 1fr;
  gap: 60px;
  align-items: end;
  font-size: 9px;
  line-height: 1.65;
  letter-spacing: .13em;
}

.hero-meta p {
  margin: 0;
  color: #656565;
}

.hero-about-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 210px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(16,16,16,.45);
}

.hero-arc {
  position: absolute;
  z-index: 1;
  width: 105%;
  aspect-ratio: 1 / 1;
  right: -44%;
  bottom: -67%;
  border: 1px solid rgba(16,16,16,.16);
  border-radius: 50%;
  pointer-events: none;
}

.hero-visual {
  position: relative;
  min-height: calc(100svh - 154px);
  margin: 0;
  overflow: hidden;
  background: #171717;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 62%, rgba(0,0,0,.48));
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 42%;
  filter: grayscale(1);
  transform: scale(1.015);
  transition: transform 1.1s cubic-bezier(.22,.75,.25,1);
}

.hero-visual:hover img {
  transform: scale(1.035);
}

.hero-visual figcaption {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  color: rgba(255,255,255,.8);
  font-size: 8px;
  letter-spacing: .16em;
}

.hero-scroll {
  position: absolute;
  z-index: 5;
  right: 0;
  bottom: 13px;
  display: none;
  align-items: center;
  gap: 14px;
  font-size: 9px;
  letter-spacing: .15em;
}

.section {
  width: var(--page);
  margin: 0 auto;
  padding: 150px 0;
  border-top: 1px solid var(--line);
}

.section-label {
  display: flex;
  gap: 26px;
  margin-bottom: 78px;
}

.section-label span:first-child {
  color: #8b8b8b;
}

.about-grid,
.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 8vw;
}

.section-heading {
  margin: 0;
  font-size: clamp(38px, 6vw, 86px);
  line-height: 1.08;
  letter-spacing: -.055em;
  font-weight: 500;
}

.about-copy {
  max-width: 540px;
  padding-top: 12px;
  font-size: clamp(15px, 1.5vw, 20px);
  line-height: 2;
}

.about-copy p {
  margin: 0 0 24px;
}



.about-foot {
  margin-top: 105px;
  padding-top: 24px;
  display: flex;
  justify-content: flex-end;
  gap: 34px;
  border-top: 1px solid var(--line);
  color: #777;
  font-size: 9px;
  letter-spacing: .18em;
}

.business-section {
  background: #e7e7e3;
  padding: 150px 0 170px;
}

.business-inner {
  width: var(--page);
  margin: 0 auto;
}

.business-section .section-label {
  margin-bottom: 76px;
}

.business-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 102px;
}

.business-intro .section-heading {
  font-size: clamp(52px, 7vw, 104px);
}

.business-intro p {
  margin: 0;
  color: #676767;
  line-height: 1.9;
  font-size: 12px;
}

.business-list {
  border-top: 1px solid rgba(16,16,16,.2);
}

.business-row {
  position: relative;
  min-height: 250px;
  display: grid;
  grid-template-columns: 52px minmax(320px, 1fr) minmax(320px, .9fr);
  gap: 38px;
  align-items: center;
  padding: 52px 0;
  border-bottom: 1px solid rgba(16,16,16,.2);
}

.business-row-featured {
  margin: 0 -3.2vw;
  padding-right: 3.2vw;
  padding-left: 3.2vw;
  background: rgba(255,255,255,.42);
}

.business-number {
  align-self: start;
  padding-top: 10px;
  color: #868686;
}

.business-title {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.business-en {
  color: #777;
  font-size: 9px;
  letter-spacing: .2em;
}

.business-title h3 {
  margin: 0;
  font-size: clamp(31px, 3.65vw, 56px);
  line-height: 1.12;
  letter-spacing: -.05em;
  font-weight: 500;
  text-wrap: pretty;
}

.business-copy {
  max-width: 480px;
  margin: 0;
  color: #555;
  font-size: 13px;
  line-height: 2;
  text-wrap: pretty;
}

.business-copy-wrap {
  max-width: 560px;
}

.business-cta {
  width: min(100%, 330px);
  margin-top: 24px;
  padding: 12px 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(16,16,16,.5);
  font-size: 10px;
  letter-spacing: .08em;
  transition: padding .3s ease, border-color .3s ease;
}

.business-cta:hover {
  padding-left: 8px;
  border-color: var(--ink);
}


.statement-section {
  min-height: 92svh;
  padding: 130px 4vw;
  background: var(--dark);
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.statement-small {
  margin: 0 0 65px;
  color: #9b9b9b;
  font-size: 10px;
  letter-spacing: .18em;
}

.statement {
  margin: 0;
  font-size: clamp(52px, 9.4vw, 152px);
  line-height: .92;
  letter-spacing: -.075em;
  font-weight: 600;
}

.statement span {
  color: #777;
}

.statement-ja {
  margin: 60px 0 0;
  font-size: clamp(17px, 2vw, 28px);
  letter-spacing: .02em;
}

.company-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-list div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 30px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.company-list dt {
  color: #777;
  font-size: 12px;
}

.company-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
}

.company-en {
  color: #777;
  font-size: 11px;
  letter-spacing: .1em;
}

.company-list .placeholder dd {
  color: #999;
}

.contact-section {
  position: relative;
  width: var(--page);
  min-height: 620px;
  margin: 0 auto;
  padding: 135px 0 90px;
  border-top: 1px solid var(--line);
}

.contact-copy h2 {
  margin: 28px 0;
  font-size: clamp(40px, 4.9vw, 78px);
  line-height: 1.08;
  letter-spacing: -.05em;
  font-weight: 500;
}

.contact-copy p {
  color: var(--muted);
  line-height: 1.9;
  font-size: 14px;
}

.contact-link {
  position: absolute;
  right: 0;
  bottom: 95px;
  width: min(390px, 42vw);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
  font-size: 12px;
  letter-spacing: .12em;
}

.contact-note {
  position: absolute;
  right: 0;
  bottom: 58px;
  margin: 0;
  color: #999;
  font-size: 10px;
}

.footer {
  width: var(--page);
  margin: 0 auto;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: end;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.footer-logo {
  display: block;
  width: 150px;
  height: auto;
}

.footer small,
.footer p {
  margin: 0;
  color: #888;
  font-size: 9px;
  letter-spacing: .1em;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .85s cubic-bezier(.22,.75,.25,1),
              transform .85s cubic-bezier(.22,.75,.25,1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  :root {
    --page: 88vw;
  }

  .site-header {
    height: 72px;
  }

  .brand-ja,
  .global-nav {
    display: none;
  }

  .brand-logo {
    width: 116px;
  }


  .menu-button {
    display: block;
    font-size: 10px;
    letter-spacing: .14em;
  }

  .global-nav.is-open {
    position: fixed;
    top: 72px;
    left: -6vw;
    width: 100vw;
    min-height: calc(100svh - 72px);
    padding: 60px 6vw;
    background: rgba(245,245,242,.96);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    backdrop-filter: blur(20px);
    font-size: 18px;
  }

  .hero {
    padding-top: 96px;
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy-panel {
    min-height: 680px;
    padding: 32px 0 46px;
  }

  .hero-copy {
    padding: 72px 0 55px;
  }

  .hero-en {
    font-size: clamp(62px, 18vw, 112px);
  }

  .hero h1 {
    font-size: clamp(25px, 6.6vw, 36px);
  }

  .hero-ja span:first-child {
    white-space: nowrap;
  }

  .hero-meta {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-meta p {
    display: none;
  }

  .hero-arc {
    width: 145%;
    right: -88%;
    bottom: -42%;
  }

  .hero-visual {
    min-height: 72svh;
  }

  .hero-visual img {
    object-position: 52% 50%;
  }

  .hero-scroll {
    display: flex;
  }

  .section {
    padding: 100px 0;
  }

  .section-label {
    margin-bottom: 52px;
  }

  .about-grid,
  .company-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .about-foot {
    margin-top: 72px;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 20px 28px;
  }

  .business-section {
    padding: 100px 0 115px;
  }

  .business-section .section-label {
    margin-bottom: 52px;
  }

  .business-intro {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 62px;
  }

  .business-row {
    min-height: 0;
    grid-template-columns: 34px 1fr;
    gap: 18px;
    padding: 38px 0;
  }

  .business-row-featured {
    margin: 0 -6vw;
    padding-right: 6vw;
    padding-left: 6vw;
  }

  .business-number {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .business-title {
    grid-column: 2;
    grid-row: 1;
  }

  .business-copy,
  .business-copy-wrap {
    grid-column: 2;
    grid-row: 2;
    padding-top: 12px;
  }

  .business-copy-wrap .business-copy {
    padding-top: 0;
  }

  .business-cta {
    width: 100%;
  }

  .statement-section {
    min-height: 70svh;
    padding: 100px 6vw;
  }

  .statement-small {
    margin-bottom: 45px;
  }

  .contact-section {
    min-height: 650px;
    padding-top: 100px;
  }

  .contact-link {
    position: absolute;
    left: 0;
    right: auto;
    width: 100%;
    bottom: 110px;
  }

  .contact-note {
    left: 0;
    right: auto;
    bottom: 78px;
  }

  .desktop-only {
    display: none;
  }

  .cursor-glow {
    display: none;
  }
}

@media (max-width: 520px) {
  .footer-logo {
    width: 138px;
  }

  .hero-copy-panel {
    min-height: 620px;
  }

  .hero-en {
    font-size: 17vw;
  }

  .hero h1 {
    font-size: clamp(23px, 6.3vw, 30px);
  }

  .hero-lead {
    font-size: 11px;
  }

  .section-heading {
    font-size: 11vw;
  }

  .business-intro .section-heading {
    font-size: 13vw;
  }

  .business-row {
    grid-template-columns: 28px 1fr;
    gap: 12px;
  }

  .business-title h3 {
    font-size: clamp(25px, 7.2vw, 33px);
  }

  .business-copy {
    font-size: 12px;
    line-height: 1.9;
  }

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

  .footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 25px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }

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

/* 日本語・英字とも、不自然な1語残りや改行を減らす */
h1,
h2,
h3,
.hero-lead,
.about-copy p,
.business-card-body p,
.contact-copy p {
  text-wrap: pretty;
}

h1,
h2,
h3,
.hero-lead,
.about-copy p,
.business-copy,
.contact-copy p {
  text-wrap: pretty;
}