/* Version 2 — glass UI + 3D background (static; later: WordPress) */
@import url("https://fonts.googleapis.com/css2?family=LINE+Seed+JP:wght@400;700;800&display=swap");

:root {
  --v2-color-bg: #fafafa;
  --v2-color-text: #2d2d2d;
  --v2-color-text-muted: #666666;
  --v2-color-text-soft: #999999;
  --v2-color-brand-orange: #f29600;
  --v2-color-brand-green: #5dbb4d;
  --v2-color-brand-blue: #0094d6;
  --v2-color-brand-yellow: #f6a900;
  --v2-color-border-soft: rgba(0, 0, 0, 0.08);
  --v2-font: "LINE Seed JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo,
    sans-serif;
  --v2-space-section-y: clamp(6rem, 12vw + 2rem, 12.8rem);
  --v2-space-container-x: clamp(1.6rem, 5vw, 4.8rem);
  --v2-size-hero-title: clamp(2.4rem, 3.5vw + 1.6rem, 4rem);
  --v2-size-hero-highlight: clamp(3.2rem, 4vw + 2rem, 5rem);
  --v2-size-section-title: clamp(3.2rem, 2.5vw + 2.4rem, 4rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  margin: 0;
  font-family: var(--v2-font);
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--v2-color-text);
  background-color: var(--v2-color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

::selection {
  background-color: var(--v2-color-brand-orange);
  color: #fff;
}

/* WebGL under body content */
.site-v2__webgl {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.site-v2__webgl canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.site-v2 {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.site-v2-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 100%;
  padding-top: 3.2rem;
  padding-bottom: 3.2rem;
  background-color: transparent;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease,
    border-color 0.4s ease;
}

.site-v2-header--scrolled {
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
  background-color: rgba(250, 250, 250, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
}

.site-v2-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 114rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--v2-space-container-x);
  padding-right: var(--v2-space-container-x);
}

.site-v2-header__logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.site-v2-header__logo {
  display: block;
  height: 4rem;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.06));
}

@media (min-width: 768px) {
  .site-v2-header__logo {
    height: 4.8rem;
  }
}

.site-v2-header__nav {
  display: none;
  gap: 4.8rem;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--v2-color-text);
}

@media (min-width: 768px) {
  .site-v2-header__nav {
    display: flex;
  }
}

.site-v2-header__nav-link {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

.site-v2-header__nav-link:hover,
.site-v2-header__nav-link:focus-visible {
  color: var(--v2-color-brand-orange);
}

.site-v2-header__nav-link--green:hover,
.site-v2-header__nav-link--green:focus-visible {
  color: var(--v2-color-brand-green);
}

/* ------------------------------------------------------------------------- Hero */
.hero-v2 {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 100vh;
  padding-top: 12rem;
  padding-left: var(--v2-space-container-x);
  padding-right: var(--v2-space-container-x);
  padding-bottom: clamp(2rem, 3vh, 3.2rem);
}

.hero-v2__glass {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 0;
  width: 100%;
  max-width: 89.6rem;
  margin-left: auto;
  margin-right: auto;
  padding: clamp(4rem, 6vw + 2rem, 8rem) clamp(2.4rem, 5vw, 4rem);
  text-align: center;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: clamp(2.4rem, 4vw + 1.6rem, 4.8rem);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.hero-v2__logo {
  display: block;
  width: clamp(24rem, 35vw + 14rem, 36rem);
  max-width: 100%;
  margin-bottom: 3.2rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-v2__title {
  margin: 0 0 2.4rem;
  font-size: var(--v2-size-hero-title);
  font-weight: 800;
  line-height: 1.65;
  color: var(--v2-color-text);
}

.hero-v2__br-sm {
  display: none;
}

@media (max-width: 767px) {
  .hero-v2__br-sm {
    display: block;
  }
}

.hero-v2__highlight {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: var(--v2-size-hero-highlight);
  font-weight: 800;
  line-height: 1.35;
  background: linear-gradient(135deg, var(--v2-color-brand-orange) 0%, var(--v2-color-brand-green) 50%, var(--v2-color-brand-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-v2__lead {
  margin: 0;
  max-width: 64rem;
  font-size: 1.6rem;
  line-height: 1.85;
  color: var(--v2-color-text-muted);
  font-weight: 500;
}

@media (min-width: 768px) {
  .hero-v2__lead {
    font-size: 1.8rem;
  }
}

.scroll-hint-v2 {
  flex-shrink: 0;
  align-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: clamp(2.4rem, 5vh, 4.8rem);
}

.scroll-hint-v2__label {
  margin-bottom: 1.6rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--v2-color-text-soft);
}

.scroll-hint-v2__line {
  width: 2px;
  height: 4.8rem;
  border-radius: 999rem;
  background: linear-gradient(to bottom, var(--v2-color-text-soft), transparent);
}

/* ------------------------------------------------------------------------- Sections */
.section-v2 {
  position: relative;
  z-index: 10;
  padding-top: var(--v2-space-section-y);
  padding-bottom: var(--v2-space-section-y);
}

.section-v2__inner {
  width: 100%;
  max-width: 114rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--v2-space-container-x);
  padding-right: var(--v2-space-container-x);
}

.section-v2__inner--narrow {
  max-width: 76.8rem;
}

.section-v2__head {
  margin-bottom: clamp(4rem, 6vw + 2rem, 6.4rem);
  text-align: center;
}

.section-v2__title {
  margin: 0 0 1.6rem;
  font-size: var(--v2-size-section-title);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--v2-color-text);
}

.section-v2__rule {
  width: 4rem;
  height: 0.4rem;
  margin: 0 auto 3.2rem;
  background-color: var(--v2-color-text);
  border-radius: 999rem;
}

.section-v2__intro {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--v2-color-text-muted);
}

@media (min-width: 768px) {
  .section-v2__intro {
    font-size: 1.8rem;
  }
}

.services-v2__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .services-v2__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3.2rem;
  }
}

.service-card-v2 {
  margin: 0;
  padding: clamp(4rem, 3vw + 2.8rem, 5.6rem);
  border-radius: 3.2rem;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.03);
  transform-style: preserve-3d;
  will-change: transform;
}

.service-card-v2--orange {
  border-top: 4px solid var(--v2-color-brand-orange);
}

.service-card-v2--green {
  border-top: 4px solid var(--v2-color-brand-green);
}

.service-card-v2--blue {
  border-top: 4px solid var(--v2-color-brand-blue);
}

.service-card-v2--yellow {
  border-top: 4px solid var(--v2-color-brand-yellow);
}

.service-card-v2__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 11.2rem;
  height: 11.2rem;
  margin-bottom: 3.2rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 1.6rem;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}

.service-card-v2__icon-wrap .illustration {
  width: 100%;
  height: 100%;
  display: block;
}

.service-card-v2__title {
  margin: 0 0 1.6rem;
  font-size: 2rem;
  font-weight: 700;
  color: var(--v2-color-text);
}

@media (min-width: 768px) {
  .service-card-v2__title {
    font-size: 2.2rem;
  }
}

.service-card-v2__text {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.85;
  color: var(--v2-color-text-muted);
}

@media (min-width: 768px) {
  .service-card-v2__text {
    font-size: 1.6rem;
  }
}

/* ------------------------------------------------------------------------- Company v2 */
.company-v2__glass {
  padding: clamp(4rem, 4vw + 2rem, 6.4rem) clamp(2.4rem, 4vw, 4.8rem);
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 3.2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.company-v2__rows {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.company-v2__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem 0;
  padding-bottom: 1.4rem;
  margin-bottom: 1.4rem;
  border-bottom: 1px solid var(--v2-color-border-soft);
}

.company-v2__row:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

@media (min-width: 768px) {
  .company-v2__row {
    grid-template-columns: minmax(14rem, 28%) minmax(0, 1fr);
    column-gap: 4rem;
    align-items: baseline;
  }
}

.company-v2__label {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--v2-color-text-soft);
}

.company-v2__value {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.75;
  color: var(--v2-color-text);
}

.company-v2__value--muted {
  font-weight: 500;
  color: var(--v2-color-text-muted);
}

.company-v2__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.company-v2__list-item {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1.2rem;
  font-size: 1.4rem;
  line-height: 1.75;
  color: var(--v2-color-text-muted);
}

@media (min-width: 768px) {
  .company-v2__list-item {
    font-size: 1.6rem;
  }
}

.company-v2__list-item:last-child {
  margin-bottom: 0;
}

.company-v2__list-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
}

.company-v2__list-item--orange::before {
  background-color: var(--v2-color-brand-orange);
}

.company-v2__list-item--green::before {
  background-color: var(--v2-color-brand-green);
}

.company-v2__list-item--blue::before {
  background-color: var(--v2-color-brand-blue);
}

.company-v2__list-item--yellow::before {
  background-color: var(--v2-color-brand-yellow);
}

/* ------------------------------------------------------------------------- Footer v2 */
.site-v2-footer {
  position: relative;
  z-index: 10;
  padding-top: 4.8rem;
  padding-bottom: 4.8rem;
  text-align: center;
  background-color: rgba(250, 250, 250, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}

.site-v2-footer__inner {
  max-width: 114rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--v2-space-container-x);
  padding-right: var(--v2-space-container-x);
}

.site-v2-footer__logo {
  display: block;
  height: 3.2rem;
  width: auto;
  margin: 0 auto 2.4rem;
  /* v2: reduced color logo */
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity 0.4s ease, filter 0.4s ease;
}

.site-v2-footer__logo:hover,
.site-v2-footer__logo:focus-visible {
  opacity: 1;
  filter: grayscale(0);
}

.site-v2-footer__copy {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--v2-color-text-soft);
}

@media (min-width: 768px) {
  .site-v2-footer__copy {
    font-size: 1.4rem;
  }
}