/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  backdrop-filter: blur(14px);
  background: rgba(251, 250, 247, 0.85);
  border-bottom: 1px solid var(--paper-line);
  font-size: 13px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--on-paper);
}
.nav__brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.nav__brand-name {
  font-family: var(--serif-jp);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.06em;
}
.nav__items {
  display: flex;
  gap: 36px;
}
.nav__item {
  color: var(--on-paper);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.06em;
}
.nav__cta {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav__lang {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--on-paper-mute);
}
.nav__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid var(--paper-line-strong);
  color: var(--on-paper);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: all 0.4s ease;
}
.nav__cta-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* HERO — light theme */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--paper);
  color: var(--on-paper);
  padding: 100px var(--gutter) 0;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--on-paper);
}
.hero__sigil {
  position: absolute;
  right: -10%;
  top: 5%;
  width: 80vh;
  height: 80vh;
  opacity: 0.5;
  color: var(--on-paper);
}
.hero__grain {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(31, 30, 29, 0.05), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(31, 30, 29, 0.03), transparent 55%);
}
.hero__meta {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--paper-line);
  color: var(--on-paper-mute);
  z-index: 2;
}
.hero__meta .label {
  font-size: 10px;
  letter-spacing: 0.2em;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  padding: 80px 0 100px;
  position: relative;
  z-index: 2;
}
.hero__col-left {
  position: relative;
}
.hero__index {
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--paper-line);
}
.hero__headline {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  margin: 0 0 32px;
}
.hero__line {
  display: block;
  overflow: hidden;
  animation: heroLineIn 1.2s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero__line:nth-child(1) { animation-delay: 0.05s; }
.hero__line:nth-child(2) { animation-delay: 0.18s; }
.hero__line:nth-child(3) { animation-delay: 0.31s; }
.hero__line:nth-child(4) { animation-delay: 0.44s; }
.hero__line em {
  font-family: var(--serif-en-display); font-style: normal; letter-spacing: -0.01em;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0;
}
.hero__accent {
  position: relative;
  display: inline-block;
}
.hero__accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0.08em;
  height: 0.12em;
  background: var(--chrome);
  opacity: 0.5;
  z-index: -1;
}
@keyframes heroLineIn {
  from { opacity: 0; transform: translateY(60%); }
  to { opacity: 1; transform: translateY(0); }
}
.hero__sub {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--on-paper-mute);
  margin: 0 0 24px;
  letter-spacing: 0.22em;
}
.hero__lede {
  font-family: var(--sans-jp);
  font-size: 15px;
  line-height: 2;
  color: var(--on-paper-mute);
  max-width: 540px;
  margin: 0 0 48px;
}
.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Solo hero — single column centered */
.hero--solo {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.hero__sigil--center {
  right: auto;
  left: 50%;
  top: 50%;
  width: 110vh;
  height: 110vh;
  margin-left: -55vh;
  margin-top: -55vh;
  opacity: 0;
  animation: sigilSpin 180s linear infinite, sigilFade 2s ease 0.2s forwards;
  transform-origin: center;
  color: var(--accent-deep);
  mix-blend-mode: multiply;
}
.hero__sigil--corner {
  right: -18vw;
  bottom: -22vh;
  top: auto;
  left: auto;
  width: 70vh;
  height: 70vh;
  opacity: 0;
  animation: sigilSpinReverse 240s linear infinite, sigilFadeCorner 2s ease 0.6s forwards;
  color: var(--chrome);
  transform-origin: center;
}
@keyframes sigilSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes sigilSpinReverse {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}
@keyframes sigilFade {
  from { opacity: 0; }
  to { opacity: 0.55; }
}
@keyframes sigilFadeCorner {
  from { opacity: 0; }
  to { opacity: 0.6; }
}
.hero__meta {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--paper-line);
  color: var(--on-paper-mute);
  z-index: 2;
  animation: fadeUp 0.8s ease both;
}
.hero__solo {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0 120px;
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
}
.hero__solo-index {
  margin-bottom: 48px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--paper-line);
  width: 220px;
  animation: fadeUp 0.9s ease 0.1s both;
}
.hero__brand-mark {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: center;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp 1s ease 0.05s both;
}
.hero__brand-mark-rule {
  flex: 1;
  height: 1px;
  background: var(--paper-line);
  max-width: 120px;
}
.hero__brand-mark-name {
  font-family: var(--serif-en-display);
  font-weight: 500;
  font-size: clamp(36px, 4.5vw, 64px);
  letter-spacing: 0.04em;
  color: var(--chrome);
  line-height: 1;
  white-space: nowrap;
}

.hero__solo-headline {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(56px, 9vw, 132px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  margin: 0 0 40px;
  text-wrap: balance;
}
.hero__solo-headline em {
  font-family: var(--serif-en-display);
  font-weight: 500;
  font-style: normal;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.hero__solo-headline .hero__line {
  display: block;
  overflow: hidden;
  position: relative;
}
.hero__solo-headline .hero__line > * {
  display: inline-block;
  transform: translateY(105%);
  opacity: 0;
  animation: heroLineUp 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero__solo-headline .hero__line:nth-child(1) > * { animation-delay: 0.15s; }
.hero__solo-headline .hero__line:nth-child(2) > * { animation-delay: 0.40s; }
.hero__solo-headline .hero__line:nth-child(3) > * { animation-delay: 0.65s; }
@keyframes heroLineUp {
  from { transform: translateY(105%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.hero__solo-sub {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--on-paper-mute);
  margin: 0 0 56px;
  letter-spacing: 0.22em;
  display: flex;
  align-items: center;
  gap: 24px;
  animation: fadeUp 1.2s ease 1.0s both;
}
.hero__solo-sub-rule {
  display: inline-block;
  width: 64px;
  height: 1px;
  background: var(--chrome);
  flex-shrink: 0;
  transform-origin: left;
  animation: ruleGrow 1.4s cubic-bezier(0.5, 0, 0.2, 1) 1.1s both;
}
@keyframes ruleGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero__solo-rule {
  height: 1px;
  background: var(--paper-line);
  margin-bottom: 40px;
  transform-origin: left;
  animation: ruleGrow 1.6s cubic-bezier(0.5, 0, 0.2, 1) 1.3s both;
}
.hero__solo-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: end;
  animation: fadeUp 1s ease 1.5s both;
}
.hero__solo-lede {
  font-family: var(--sans-jp);
  font-size: 15px;
  line-height: 2;
  color: var(--on-paper-mute);
  max-width: 520px;
  margin: 0;
}
.hero__scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--on-paper-faint);
  z-index: 3;
}
.hero__scroll-cue .kicker-en { font-size: 11px; }
.hero__scroll-line {
  width: 1px;
  height: 32px;
  background: var(--chrome);
  animation: scrollCue 2.2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollCue {
  0%, 100% { transform: scaleY(0.3); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* Practice plate (extracted) */
.practice-plate { padding: clamp(80px, 10vw, 140px) var(--gutter); }
.practice-plate__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 64px;
}
.practice-plate__title {
  font-size: clamp(36px, 4.5vw, 64px);
  margin: 16px 0 0;
}
.practice-plate__title em { font-family: var(--serif-en-display); font-style: normal; letter-spacing: -0.01em; color: var(--accent); font-weight: 400; }
.practice-plate__lede {
  font-size: 15px;
  line-height: 1.95;
  color: var(--on-paper-mute);
  margin: 0;
  max-width: 460px;
  justify-self: end;
}
.practice-plate__plate {
  position: relative;
  border: 1px solid var(--paper-line-strong);
  background: #FFFFFF;
  padding: 40px 48px;
  box-shadow: 0 24px 60px -30px rgba(20, 18, 14, 0.18);
}
.practice-plate__plate-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--paper-line);
  color: var(--chrome);
}
.practice-plate__plate-head .label { color: var(--on-paper-mute); }
.practice-plate__list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.practice-plate__list li {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: baseline;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--paper-line);
  transition: padding 0.4s ease;
}
.practice-plate__list li:hover { padding-left: 12px; }
.practice-plate__list li:last-child { border-bottom: none; }
.practice-plate__list span {
  font-family: var(--serif-en);
  color: var(--chrome);
  font-size: 15px;
}
.practice-plate__list strong {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 22px;
  color: var(--on-paper);
}
.practice-plate__list em {
  font-family: var(--serif-en);
  font-size: 16px;
  color: var(--accent);
}
.practice-plate__foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--paper-line);
}
.practice-plate__foot > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.practice-plate__foot .kicker-en { color: var(--on-paper-faint); font-size: 12px; }
.practice-plate__stat {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 48px;
  color: var(--chrome);
  line-height: 1;
}
.practice-plate__stat span {
  font-family: var(--serif-jp);
  font-size: 20px;
  margin-left: 4px;
}
.practice-plate__foot em {
  font-style: normal;
  font-size: 12px;
  color: var(--on-paper-mute);
}

@media (max-width: 900px) {
  .hero__solo-foot { grid-template-columns: 1fr; }
  .practice-plate__head { grid-template-columns: 1fr; }
  .practice-plate__lede { justify-self: start; }
  .practice-plate__list li { grid-template-columns: 40px 1fr; }
  .practice-plate__list em { display: none; }
}

/* Right plate */
.hero__col-right {
  position: relative;
}
.hero__plate {
  position: relative;
  border: 1px solid var(--paper-line-strong);
  background: #FFFFFF;
  padding: 32px;
  box-shadow: 0 24px 60px -30px rgba(20, 18, 14, 0.18);
}
.hero__plate-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--paper-line);
  color: var(--chrome);
}
.hero__plate-head .label {
  color: var(--on-paper-mute);
}
.hero__plate-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.hero__plate-list li {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--paper-line);
  transition: padding 0.4s ease;
}
.hero__plate-list li:hover {
  padding-left: 8px;
}
.hero__plate-list li:last-child { border-bottom: none; }
.hero__plate-list span {
  font-family: var(--serif-en);
  color: var(--chrome);
  font-size: 13px;
}
.hero__plate-list strong {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 17px;
  color: var(--on-paper);
}
.hero__plate-list em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--on-paper-faint);
  text-transform: uppercase;
}
.hero__plate-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
  margin-top: 16px;
  border-top: 1px solid var(--paper-line);
}
.hero__plate-foot > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero__plate-foot .kicker-en {
  color: var(--on-paper-faint);
  font-size: 12px;
}
.hero__stat {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 36px;
  color: var(--on-paper);
  line-height: 1;
}
.hero__stat span {
  font-size: 16px;
  color: var(--chrome);
  margin-left: 2px;
}
.hero__plate-foot em {
  font-style: normal;
  font-size: 11px;
  color: var(--on-paper-mute);
  letter-spacing: 0.08em;
}
/* monogram + marquee removed */
.hero__marquee-row .dot {
  color: var(--chrome);
  font-size: 8px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-33.333%); }
}

/* ===== Hero floating ornaments ===== */
.hero__float-kanji {
  position: absolute;
  font-family: var(--serif-jp);
  font-weight: 500;
  color: var(--chrome);
  opacity: 0.06;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.hero__float-kanji--1 {
  top: 12vh;
  left: 6vw;
  font-size: clamp(120px, 18vw, 280px);
  animation-duration: 7s;
}
.hero__float-kanji--2 {
  bottom: 12vh;
  right: 8vw;
  font-size: clamp(140px, 22vw, 340px);
  color: var(--accent-deep);
  opacity: 0.05;
  animation-duration: 11s;
}
.hero__float-kanji--3 {
  top: 50%;
  right: 22vw;
  font-size: clamp(80px, 10vw, 160px);
  opacity: 0.04;
  animation-duration: 9s;
}
.hero__float-dot {
  position: absolute;
  border-radius: 50%;
  background: var(--chrome);
  pointer-events: none;
  z-index: 0;
}
.hero__float-dot--1 {
  top: 24%;
  right: 14vw;
  width: 8px;
  height: 8px;
  opacity: 0.6;
}
.hero__float-dot--2 {
  bottom: 28%;
  left: 18vw;
  width: 6px;
  height: 6px;
  background: var(--accent-deep);
  opacity: 0.5;
  animation-delay: 1.4s;
}

@media (max-width: 960px) {
  .nav__items { display: none; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__monogram { display: none; }
}

/* ===== Mobile fixes ===== */
@media (max-width: 720px) {
  .nav { padding: 14px var(--gutter); }
  .nav__brand-name { font-size: 15px; }
  .nav__cta { gap: 12px; }
  .nav__lang { display: none; }
  .nav__cta-btn { padding: 8px 14px; font-size: 12px; }

  .hero { padding: 80px var(--gutter) 0; min-height: auto; }
  .hero__meta { padding: 18px 0; flex-wrap: wrap; gap: 12px; }
  .hero__meta .label { font-size: 9px; }
  .hero__solo { padding: 40px 0 80px; }

  .hero__brand-mark { gap: 12px; margin-bottom: 32px; }
  .hero__brand-mark-rule { max-width: 40px; }
  .hero__brand-mark-name { font-size: clamp(22px, 7vw, 32px); }

  .hero__solo-headline { font-size: clamp(34px, 9vw, 52px); margin-bottom: 28px; line-height: 1.22; }
  .hero__solo-sub { font-size: 11px; gap: 16px; margin-bottom: 36px; letter-spacing: 0.18em; }
  .hero__solo-sub-rule { width: 36px; }
  .hero__solo-rule { margin-bottom: 28px; }
  .hero__solo-foot { gap: 28px; }
  .hero__solo-lede { font-size: 14px; line-height: 1.95; }

  .hero__sigil--center { width: 90vw; height: 90vw; margin-left: -45vw; margin-top: -45vw; opacity: 0.35; }
  .hero__sigil--corner { display: none; }

  .hero__scroll-cue { display: none; }

  /* practice plate (legacy, but keep safe) */
  .practice-plate__list li { grid-template-columns: 32px 1fr; gap: 10px; padding: 16px 0; }
  .practice-plate__list strong { font-size: 17px; }
  .practice-plate__foot { grid-template-columns: 1fr; gap: 12px; }
  .practice-plate__stat { font-size: 36px; }
}

@media (max-width: 420px) {
  .hero__brand-mark-rule { display: none; }
  .hero__brand-mark { justify-content: flex-start; }
}