/* ============================================
   UNPROLOGUE — Glassmorphism Aesthetic
   ============================================ */

:root {
  --color-bg: #b8bdb9;
  --color-bg-alt: rgba(255, 255, 255, 0.12);
  --color-bg-dark: #3a3a3a;
  --color-text: #1e2421;
  --color-text-light: #4a524e;
  --color-text-muted: #6b736f;
  --color-accent: #4a5c54;
  --color-accent-light: #7a8a82;
  --color-accent-dark: #2e3834;
  --color-border: rgba(255, 255, 255, 0.45);
  --color-border-subtle: rgba(255, 255, 255, 0.22);
  --color-white: #ffffff;
  --color-rose: rgba(196, 164, 164, 0.45);
  --color-green: rgba(100, 140, 120, 0.5);

  --glass-bg: rgba(255, 255, 255, 0.14);
  --glass-bg-strong: rgba(255, 255, 255, 0.24);
  --glass-border: rgba(255, 255, 255, 0.38);
  --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  --glass-blur: blur(28px) saturate(165%);

  --font-ja: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;
  --font-display: 'Inter', 'Noto Sans JP', sans-serif;

  --letter-tight: -0.03em;
  --letter-label: 0.12em;
  --letter-nav: 0.1em;

  --color-line: rgba(255, 255, 255, 0.28);
  --color-bg-editorial: transparent;

  --header-height: 88px;
  --container-max: 1080px;
  --section-padding: 100px;
  --radius-lg: 32px;
  --radius-md: 24px;
  --radius-pill: 50px;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-display);
  color: var(--color-text);
  background: #9aa39e;
  line-height: 1.7;
  letter-spacing: var(--letter-tight);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10000;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================
   Animated mesh background
   ============================================ */
.mesh-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: linear-gradient(145deg, #8f9893 0%, #c5cac7 45%, #a8b0ab 100%);
}

.mesh-bg__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform;
}

.mesh-bg__blob--green {
  width: min(75vmax, 900px);
  height: min(75vmax, 900px);
  top: -18%;
  left: -12%;
  background: radial-gradient(circle, rgba(55, 110, 88, 0.85) 0%, rgba(55, 110, 88, 0.35) 55%, transparent 72%);
  animation: meshDrift1 24s ease-in-out infinite;
}

.mesh-bg__blob--grey {
  width: min(70vmax, 820px);
  height: min(70vmax, 820px);
  bottom: -20%;
  right: -14%;
  background: radial-gradient(circle, rgba(200, 206, 202, 0.95) 0%, rgba(170, 178, 174, 0.45) 55%, transparent 72%);
  animation: meshDrift2 28s ease-in-out infinite;
}

.mesh-bg__blob--mint {
  width: min(50vmax, 600px);
  height: min(50vmax, 600px);
  top: 38%;
  right: 8%;
  background: radial-gradient(circle, rgba(90, 130, 108, 0.65) 0%, rgba(90, 130, 108, 0.2) 60%, transparent 75%);
  animation: meshDrift3 20s ease-in-out infinite;
}

@keyframes meshDrift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(8vw, 6vh) scale(1.08); }
}

@keyframes meshDrift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-7vw, -5vh) scale(1.06); }
}

@keyframes meshDrift3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5vw, 4vh) scale(0.94); }
}

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

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Glass utility
   ============================================ */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

.glass-panel--dark {
  background: rgba(40, 48, 44, 0.35);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--color-white);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.glass-panel--footer {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-bottom: none;
  margin-top: 40px;
}

/* ============================================
   Header — floating pill
   ============================================ */
.header {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 24px;
  pointer-events: none;
}

.header__pill {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: var(--container-max);
  padding: 10px 12px 10px 20px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: box-shadow var(--transition), background var(--transition);
}

.header--scrolled .header__pill {
  background: rgba(255, 255, 255, 0.24);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo-img {
  display: block;
  height: 22px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.container--editorial {
  max-width: 960px;
}

.header__nav-link {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-light);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  letter-spacing: var(--letter-nav);
  text-transform: uppercase;
  white-space: nowrap;
}

.header__nav-link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.5);
}

.header__nav-link--cta {
  background: rgba(90, 90, 90, 0.85);
  color: var(--color-white);
  margin-left: 4px;
}

.header__nav-link--cta:hover {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  cursor: pointer;
  padding: 10px;
}

.header__menu-btn span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
  border-radius: 2px;
}

/* ============================================
   Hero — mederi.jp/company/ style
   ============================================ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 24px) 24px 120px;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-max);
  padding: 0 24px;
  text-align: center;
}

.hero__title {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.hero__logo {
  display: block;
  width: min(72vw, 480px);
  height: auto;
}

.hero__title-sub {
  font-family: var(--font-en);
  font-size: clamp(0.82rem, 2vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 14px;
}

.hero__scroll {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.hero__scroll:hover {
  color: var(--color-text);
}

.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: var(--letter-label);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero__scroll-track {
  display: block;
  width: 1px;
  height: 56px;
  background: rgba(0, 0, 0, 0.12);
  position: relative;
  overflow: hidden;
}

.hero__scroll-indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 18px;
  background: var(--color-text-muted);
  animation: heroScroll 2s ease-in-out infinite;
}

@keyframes heroScroll {
  0% { transform: translateY(-100%); opacity: 0; }
  30% { opacity: 1; }
  70% { transform: translateY(240%); opacity: 1; }
  100% { transform: translateY(240%); opacity: 0; }
}

/* ============================================
   Sections
   ============================================ */
.section {
  position: relative;
  z-index: 1;
  padding: var(--section-padding) 0;
}

.section--about,
.section--service,
.section--news,
.section--contact,
.section--company,
.section--recruit {
  background: transparent;
}

.section--recruit {
  padding: 80px 0;
}

.section--company {
  padding-top: 88px;
  padding-bottom: 88px;
}

.section__header {
  margin-bottom: 40px;
  text-align: left;
}

.section__title {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: var(--letter-label);
  text-transform: uppercase;
  color: var(--color-text);
}

.section__rule {
  height: 1px;
  background: var(--color-line);
  margin-top: 18px;
}

.section__rule--light {
  background: rgba(255, 255, 255, 0.22);
}

/* ============================================
   About
   ============================================ */
.about {
  padding: 56px 48px;
}

.about__etymology {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.about__word {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 36px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  min-width: 180px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.about__word:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.about__word-text {
  font-family: var(--font-en);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about__word-lang {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.about__word-meaning {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.about__plus {
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-text-muted);
}

.about__body {
  text-align: center;
}

.about__intro {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 2.2;
  margin-bottom: 12px;
}

.about__lead {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  font-weight: 500;
  line-height: 2.2;
  margin-bottom: 16px;
}

.about__lead-mark {
  color: var(--color-text-muted);
  margin-right: 4px;
}

.about__desc {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 2.2;
}

/* ============================================
   Members — editorial card layout
   ============================================ */
.members {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.member {
  position: relative;
  display: flex;
  flex-direction: column;
}

.member__toggle {
  width: 100%;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
}

.member__toggle:hover .member__arrow {
  transform: translateX(4px);
}

.member__visual {
  position: relative;
  margin-bottom: 16px;
}

.member__photo {
  aspect-ratio: 4 / 5;
  width: 100%;
  background: #e6e6e6;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.member__photo-initial {
  font-family: var(--font-en);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(0, 0, 0, 0.12);
}

.member__name-block {
  position: absolute;
  left: 0;
  bottom: -8px;
  background: var(--color-white);
  padding: 12px 16px 10px;
  width: min(78%, 200px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.member__name-line {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.member__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-left: 2px;
  min-height: 20px;
}

.member__role {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
}

.member__arrow {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1;
  color: var(--color-text);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.member.is-open .member__arrow {
  transform: rotate(90deg);
}

.member__details {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.member__details > .member__content {
  overflow: hidden;
}

.member.is-open .member__details {
  grid-template-rows: 1fr;
}

.member__content {
  padding: 20px 0 6px;
  border-top: 1px solid var(--color-border-subtle);
  margin-top: 16px;
}

.member__meta {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.member__tagline {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.75;
  margin-bottom: 16px;
}

.member__bio p {
  font-size: 0.84rem;
  line-height: 1.85;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

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

.member__career {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-subtle);
}

.member__career-heading {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.member__timeline {
  list-style: none;
}

.member__timeline-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding-bottom: 16px;
  position: relative;
}

.member__timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 8px;
  bottom: 0;
  width: 1px;
  background: var(--color-border-subtle);
}

.member__timeline-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 23px;
  top: 2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
}

.member__timeline-item--current::after {
  content: '';
  position: absolute;
  left: 23px;
  top: 2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-text);
  border: 1px solid var(--color-text);
}

.member__year {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.member__timeline-item--current .member__year {
  color: var(--color-text);
}

.member__timeline-item p {
  font-size: 0.88rem;
  line-height: 1.75;
}

.member__timeline-item:last-child {
  padding-bottom: 0;
}

/* ============================================
   Services — Expanding hover panels
   ============================================ */
.section--service .section__header {
  margin-bottom: 40px;
}

.service-panels {
  display: flex;
  width: 100%;
  min-height: clamp(420px, 62vh, 640px);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.service-panel {
  position: relative;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  cursor: pointer;
  border-right: 1px solid var(--color-border-subtle);
  background: rgba(255, 255, 255, 0.05);
  transition: flex 0.65s cubic-bezier(0.4, 0, 0.2, 1), background var(--transition);
}

.service-panel:hover,
.service-panel.is-active {
  flex: 2.4;
  background: rgba(255, 255, 255, 0.02);
}

.service-panel:last-child {
  border-right: none;
}

.service-panels:hover .service-panel {
  flex: 0.72;
}

.service-panel__media {
  position: absolute;
  inset: 0;
  background-image: var(--panel-image);
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.55s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-panel__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.18) 0%,
    rgba(0, 0, 0, 0.08) 38%,
    rgba(0, 0, 0, 0.42) 100%
  );
  opacity: 0;
  transition: opacity 0.55s ease;
}

.service-panel:hover .service-panel__media,
.service-panel.is-active .service-panel__media {
  opacity: 1;
  transform: scale(1);
}

.service-panel:hover .service-panel__media::after,
.service-panel.is-active .service-panel__media::after {
  opacity: 1;
}

.service-panel__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px 24px 88px;
  pointer-events: none;
}

.service-panel__eyebrow {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.45s ease, transform 0.45s ease, color 0.45s ease;
}

.service-panel__body {
  max-width: 280px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease 0.05s, transform 0.5s ease 0.05s;
}

.service-panel__headline {
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.service-panel__desc {
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--color-text-light);
  margin-bottom: 22px;
}

.service-panel__cta {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  padding: 12px 22px;
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-pill);
  background: transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.service-panel__cta:hover {
  background: var(--color-text);
  color: var(--color-white);
}

.service-panel:hover .service-panel__eyebrow,
.service-panel.is-active .service-panel__eyebrow,
.service-panel:hover .service-panel__body,
.service-panel.is-active .service-panel__body {
  opacity: 1;
  transform: translateY(0);
}

.service-panel:hover .service-panel__eyebrow,
.service-panel.is-active .service-panel__eyebrow {
  color: rgba(255, 255, 255, 0.88);
}

.service-panel:hover .service-panel__headline,
.service-panel.is-active .service-panel__headline {
  color: var(--color-white);
}

.service-panel:hover .service-panel__desc,
.service-panel.is-active .service-panel__desc {
  color: rgba(255, 255, 255, 0.82);
}

.service-panel:hover .service-panel__cta,
.service-panel.is-active .service-panel__cta {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.85);
}

.service-panel:hover .service-panel__cta:hover,
.service-panel.is-active .service-panel__cta:hover {
  background: var(--color-white);
  color: var(--color-text);
}

.service-panel__label {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 28px;
  z-index: 3;
  font-family: var(--font-en);
  font-size: clamp(0.72rem, 1.1vw, 0.82rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text);
  transition: color 0.45s ease, transform 0.45s ease;
}

.service-panel:hover .service-panel__label,
.service-panel.is-active .service-panel__label {
  color: var(--color-white);
}

/* ============================================
   Recruit
   ============================================ */
.recruit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px;
}

.glass-panel--dark .section__title {
  color: rgba(255, 255, 255, 0.95);
}

.recruit__desc {
  font-size: 0.92rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.75);
  margin: 20px 0 32px;
}

.recruit__visual {
  position: relative;
  height: 260px;
}

.recruit__pattern {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  background:
    radial-gradient(ellipse at 30% 40%, rgba(196, 164, 164, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(164, 180, 164, 0.25) 0%, transparent 60%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(0, 0, 0, 0.1) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.btn--primary {
  background: rgba(90, 90, 90, 0.85);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn--primary:hover {
  background: var(--color-bg-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.glass-panel--dark .btn--primary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-text);
}

.glass-panel--dark .btn--primary:hover {
  background: var(--color-white);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn--outline {
  background: rgba(255, 255, 255, 0.3);
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(255, 255, 255, 0.8);
}

.btn--large {
  padding: 16px 44px;
  font-size: 0.92rem;
}

/* ============================================
   Articles
   ============================================ */
.articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

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

.article-card__thumb--logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.article-card__img--logo {
  width: min(80%, 280px);
  height: auto;
  margin: 0 auto;
}

.article-post__hero--logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 32px;
  background: var(--glass-bg);
}

.article-post__hero-img--logo {
  width: min(72%, 360px);
  height: auto;
  margin: 0 auto;
}

.article-card {
  display: block;
  padding: 16px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.07);
}

.article-card__thumb {
  aspect-ratio: 16/10;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 14px;
}

.article-card__thumb:has(.article-card__img) {
  aspect-ratio: auto;
  background: var(--color-bg-alt);
}

.article-card__img {
  width: 100%;
  height: auto;
  display: block;
}

.article-card__thumb-bg {
  width: 100%;
  height: 100%;
}

.article-card__thumb-bg--1 {
  background: linear-gradient(145deg, #b0b0b0 0%, #d8d8d8 50%, rgba(196, 164, 164, 0.3) 100%);
}

.article-card__thumb-bg--2 {
  background: linear-gradient(145deg, #5a5a5a 0%, #888888 50%, #b0b0b0 100%);
}

.article-card__thumb-bg--3 {
  background: linear-gradient(145deg, #d0d0d0 0%, rgba(164, 180, 164, 0.4) 50%, #e8e8e8 100%);
}

.article-card__thumb-bg--nprologue {
  background: linear-gradient(145deg, #2a2a2a 0%, #5a5a5a 40%, rgba(196, 164, 164, 0.35) 100%);
}

.article-card__meta {
  font-family: var(--font-en);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.article-card__title {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.7;
}

.articles__more {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

/* ============================================
   Article Page
   ============================================ */
.article-page {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-height) + 48px) 0 var(--section-padding);
}

.article-post__header {
  margin-bottom: 40px;
}

.article-post__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.article-post__meta time {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.article-post__tag {
  font-family: var(--font-en);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.article-post__title {
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}

.article-post__subtitle {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text-light);
}

.article-post__rule {
  height: 1px;
  background: var(--color-line);
  margin-top: 28px;
}

.article-post__hero {
  margin-top: 28px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-line);
}

.article-post__hero-img {
  width: 100%;
  height: auto;
  display: block;
}

.article-post__body {
  font-size: 0.92rem;
  line-height: 1.95;
  color: var(--color-text);
}

.article-post__body p {
  margin-bottom: 1.25em;
}

.article-post__body a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-post__body a:hover {
  color: var(--color-text-light);
}

.article-post__lead {
  font-size: 1rem;
  font-weight: 500;
  line-height: 2;
}

.article-post__section {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--color-line);
}

.article-post__heading {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: var(--letter-label);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.article-post__list {
  margin: 0 0 1.25em 1.2em;
}

.article-post__list li {
  margin-bottom: 0.5em;
  color: var(--color-text-light);
}

.article-post__features {
  display: grid;
  gap: 28px;
}

.article-post__feature-title {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.article-post__feature p {
  color: var(--color-text-light);
}

.article-post__plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0 16px;
}

.article-post__plan {
  padding: 24px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.article-post__plan--featured {
  border-color: rgba(0, 0, 0, 0.14);
  box-shadow: var(--glass-shadow);
}

.article-post__plan-badge {
  font-family: var(--font-en);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.article-post__plan-name {
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.article-post__plan-price {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.article-post__plan-desc {
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.article-post__note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.article-post__quote {
  margin: 28px 0 0;
  padding: 24px 28px;
  border-left: 2px solid var(--color-line);
  background: rgba(255, 255, 255, 0.35);
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text-light);
}

.article-post__footer {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line);
}

.article-post__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.article-post__back {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.article-post__back:hover {
  color: var(--color-text);
}

/* ============================================
   Company Summary — Premium editorial grid
   ============================================ */
.company-summary {
  padding: 8px 32px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

.company-summary__intro {
  margin-bottom: 0;
}

.company-summary__title {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: var(--letter-label);
  text-transform: uppercase;
  color: var(--color-text);
}

.company-summary__rule {
  height: 1px;
  background: var(--color-line);
  margin-top: 18px;
}

.company-summary__grid {
  margin-top: 0;
}

.company-summary__row {
  display: grid;
  grid-template-columns: minmax(160px, 30%) 1fr;
  gap: clamp(24px, 5vw, 56px);
  padding: clamp(24px, 3vw, 36px) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
}

.company-summary__row:first-child {
  border-top: 1px solid var(--color-line);
}

.company-summary__row dt {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1.5;
}

.company-summary__row dd {
  font-size: 0.92rem;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--color-text);
}

/* ============================================
   Contact
   ============================================ */
.contact {
  text-align: left;
  padding: 56px 48px;
}

.contact__title {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: var(--letter-label);
  text-transform: uppercase;
  margin-bottom: 0;
}

.contact__rule {
  height: 1px;
  background: var(--color-line);
  margin: 18px 0 28px;
}

.contact__desc {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 36px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  position: relative;
  z-index: 1;
  color: var(--color-text-light);
  padding: 48px 0 32px;
}

.footer .container {
  padding: 0 40px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 40px;
}

.footer__logo {
  display: inline-block;
  margin-bottom: 8px;
}

.footer__logo-img {
  display: block;
  height: 20px;
  width: auto;
  opacity: 0.85;
}

.footer__tagline {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer__nav a {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
}

.footer__nav a:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.4);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-subtle);
}

.footer__breadcrumb {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.footer__breadcrumb a:hover {
  color: var(--color-text);
}

.footer__copy {
  font-family: var(--font-en);
  font-size: 0.68rem;
  color: var(--color-text-muted);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  box-shadow: var(--glass-shadow);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top svg {
  width: 16px;
  height: 16px;
  color: var(--color-text-light);
}

.back-to-top span {
  font-size: 0.6rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.back-to-top:hover {
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__title.fade-in {
  transition-duration: 1.2s;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .header__nav-link:not(.header__nav-link--cta) {
    display: none;
  }

  .service-panels {
    min-height: 520px;
  }

  .service-panels:hover .service-panel {
    flex: 0.65;
  }

  .service-panel:hover,
  .service-panel.is-active {
    flex: 2.8;
  }

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

@media (max-width: 768px) {
  :root {
    --section-padding: 72px;
    --header-height: 76px;
  }

  .header {
    top: 12px;
    padding: 0 16px;
  }

  .header__pill {
    padding: 8px 10px 8px 16px;
  }

  .header__nav {
    position: fixed;
    top: calc(var(--header-height) + 8px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .header__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__nav-link {
    display: block !important;
    padding: 12px 16px;
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
  }

  .header__nav-link--cta {
    margin-top: 8px;
    margin-left: 0;
  }

  .header__menu-btn {
    display: flex;
  }

  .header__menu-btn--active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

  .header__menu-btn--active span:nth-child(2) {
    opacity: 0;
  }

  .header__menu-btn--active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
  }

  .hero__logo {
    width: min(82vw, 360px);
  }

  .hero__title-sub {
    letter-spacing: 0.25em;
  }

  .hero__scroll {
    bottom: 32px;
  }

  .about {
    padding: 36px 24px;
  }

  .about__etymology {
    flex-direction: column;
    gap: 12px;
  }

  .about__plus {
    transform: rotate(90deg);
  }

  .about__word {
    width: 100%;
    min-width: unset;
  }

  .members {
    grid-template-columns: 1fr;
    max-width: 320px;
    gap: 36px;
  }

  .member__name-block {
    width: min(72%, 180px);
    padding: 10px 14px 8px;
  }

  .service-panels {
    flex-direction: column;
    min-height: auto;
  }

  .service-panel {
    flex: none !important;
    min-height: 88px;
    border-right: none;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .service-panel:last-child {
    border-bottom: none;
  }

  .service-panels:hover .service-panel {
    flex: none;
  }

  .service-panel.is-active {
    min-height: 360px;
  }

  .service-panel__overlay {
    padding: 20px 20px 72px;
  }

  .service-panel__body {
    max-width: none;
  }

  .service-panel__label {
    bottom: 22px;
  }

  .service-panel.is-active .service-panel__media,
  .service-panel.is-active .service-panel__media::after {
    opacity: 1;
    transform: scale(1);
  }

  .service-panel.is-active .service-panel__eyebrow,
  .service-panel.is-active .service-panel__body {
    opacity: 1;
    transform: translateY(0);
  }

  .service-panel.is-active .service-panel__eyebrow {
    color: rgba(255, 255, 255, 0.88);
  }

  .service-panel.is-active .service-panel__headline {
    color: var(--color-white);
  }

  .service-panel.is-active .service-panel__desc {
    color: rgba(255, 255, 255, 0.82);
  }

  .service-panel.is-active .service-panel__cta {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.85);
  }

  .service-panel.is-active .service-panel__label {
    color: var(--color-white);
  }

  .recruit {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }

  .recruit__visual {
    height: 180px;
  }

  .articles__grid,
  .articles__grid--duo {
    grid-template-columns: 1fr;
  }

  .article-post__plans {
    grid-template-columns: 1fr;
  }

  .article-post__cta {
    flex-direction: column;
  }

  .article-post__cta .btn {
    width: 100%;
  }

  .company-summary__row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 22px 0;
  }

  .contact {
    padding: 40px 24px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 24px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mesh-bg__blob {
    animation: none !important;
  }
}