@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;1,500&family=Zen+Kaku+Gothic+New:wght@400;500;700&family=Zen+Old+Mincho:wght@400;600;900&display=swap");

:root {
  --paper: #f3ede3;
  --paper-deep: #e8dfd0;
  --ink: #1a1612;
  --ink-soft: #4a433a;
  --muted: #6f675c;
  --persimmon: #c45c26;
  --persimmon-deep: #9a4318;
  --forest: #1e2a24;
  --sage: #7d8b78;
  --line: #c9bba6;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  cursor: none;
}

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

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

button,
input,
textarea {
  font: inherit;
  cursor: none;
}

h1,
h2,
h3,
.display {
  font-family: "Zen Old Mincho", serif;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.04em;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 80;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 100;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--persimmon);
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink);
  transition: width 0.2s var(--ease), height 0.2s var(--ease), background 0.2s;
}

body.is-hover .cursor-ring {
  width: 56px;
  height: 56px;
  background: color-mix(in srgb, var(--persimmon) 12%, transparent);
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--persimmon);
  z-index: 90;
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1rem;
  background: var(--paper);
  transition: transform 0.9s var(--ease), opacity 0.6s ease;
}

.loader.is-done {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.loader-logo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  animation: rise 1s var(--ease) both;
}

.loader-en {
  margin: 0;
  color: var(--ink);
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.28em;
  animation: rise 1s 0.1s var(--ease) both;
}

.loader-sub {
  margin: 0;
  color: var(--muted);
  animation: rise 1s 0.2s var(--ease) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 1.5rem;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  transition: background 0.3s, box-shadow 0.3s;
}

.header.is-scrolled {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(10px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.logo img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text small {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.nav a {
  position: relative;
  font-size: 0.92rem;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--persimmon);
  transition: width 0.25s var(--ease);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  width: 100%;
}

.header-cta {
  margin-left: 0.5rem;
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: none;
  position: relative;
}

.menu-btn span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.25s;
}

.menu-btn span:first-child {
  top: 18px;
}

.menu-btn span:last-child {
  top: 26px;
}

.menu-btn.is-open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-btn.is-open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.btn-solid {
  background: var(--ink);
  color: var(--paper);
}

.btn-solid:hover,
.btn-solid:focus-visible {
  background: var(--persimmon);
  border-color: var(--persimmon);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.hero {
  min-height: 100vh;
  padding: calc(var(--header-h) + 1.5rem) 1.5rem 2rem;
  display: grid;
  align-content: space-between;
  position: relative;
  overflow: hidden;
}

.hero-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
  transform: scale(1.06);
  animation: kenburns 18s ease-in-out infinite alternate;
}

.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--paper) 0%, color-mix(in srgb, var(--paper) 92%, transparent) 42%, color-mix(in srgb, var(--paper) 78%, transparent) 72%, color-mix(in srgb, var(--paper) 55%, transparent) 100%),
    linear-gradient(180deg, color-mix(in srgb, var(--paper) 70%, transparent) 0%, transparent 28%, var(--paper) 100%);
}

@keyframes kenburns {
  to {
    transform: scale(1.14) translate(-1.5%, -1%);
  }
}

.hero-kicker,
.hero-grid,
.hero-foot {
  position: relative;
  z-index: 1;
}

.hero-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.2rem;
  width: fit-content;
  padding: 0.35rem 0.7rem;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.18em;
  color: var(--ink);
}

.hero-grid {
  display: grid;
  grid-template-columns: auto minmax(180px, 28vw) 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-side {
  writing-mode: vertical-rl;
  letter-spacing: 0.22em;
  color: var(--ink);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  padding: 0.8rem 0.4rem;
}

.est {
  margin-top: 2rem;
  font-family: "Cormorant Garamond", serif;
}

.hero-mark-wrap {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-mark-wrap img {
  width: min(28vw, 280px);
  height: min(28vw, 280px);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 20px 60px color-mix(in srgb, var(--ink) 18%, transparent);
  animation: float 6s ease-in-out infinite;
}

.hero-ring {
  position: absolute;
  inset: -18px;
  border: 1px solid var(--line);
  border-radius: 50%;
  animation: spin 24s linear infinite;
}

@keyframes float {
  50% {
    transform: translateY(-10px);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.hero-copy {
  padding: 1.4rem 1.5rem 1.6rem;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  margin: 0 0 1rem;
  color: var(--ink);
}

.hero-copy em {
  font-style: normal;
  color: var(--persimmon-deep);
}

.lead {
  max-width: 36rem;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.hero-foot {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
}

.scroll-hint {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--muted);
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: var(--ink);
  transform-origin: top;
  animation: draw 1.6s var(--ease) infinite;
}

@keyframes draw {
  0% {
    transform: scaleY(0);
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  100% {
    transform: scaleY(1);
    opacity: 0;
  }
}

.hero-stats {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-stats strong {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-size: 2.2rem;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.85rem;
}

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--paper-deep);
}

.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  padding: 0.9rem 0;
  font-family: "Zen Old Mincho", serif;
  animation: slide 28s linear infinite;
}

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

.section {
  padding: 7rem 1.5rem;
  max-width: 1180px;
  margin: 0 auto;
}

.section-head {
  margin-bottom: 3rem;
}

.en-label {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.16em;
  color: var(--persimmon);
}

.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 0.3rem 0 0.8rem;
}

.section-lead,
.insight-card p,
.service-card p,
.case-card p,
.step p {
  color: var(--ink-soft);
}

.insight-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 1.2rem;
}

.insight-photo {
  min-height: 320px;
  overflow: hidden;
}

.insight-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.insight-photo:hover img {
  transform: scale(1.06);
}

.insight-card {
  padding: 1.6rem;
  background: #fffdf8;
  border: 1px solid var(--line);
}

.insight-card-accent {
  background: var(--forest);
  color: var(--paper);
  border-color: var(--forest);
}

.insight-card-accent p,
.insight-card-accent h3 {
  color: var(--paper);
}

.insight-num {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.12em;
  color: var(--persimmon);
}

.service-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 1fr);
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.8rem;
  scroll-snap-type: x mandatory;
}

.service-card {
  scroll-snap-align: start;
  min-height: 360px;
  padding: 1.5rem;
  background: #fffdf8;
  border: 1px solid var(--line);
  transition: transform 0.25s, box-shadow 0.25s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--ink) 10%, transparent);
}

.service-no {
  font-family: "Cormorant Garamond", serif;
  color: var(--persimmon);
}

.service-card ul {
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.approach {
  max-width: none;
  padding-inline: 0;
  background: var(--forest);
  color: var(--paper);
}

.approach .section-head,
.approach .steps {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.approach .en-label {
  color: #f3d7b0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  list-style: none;
  padding-bottom: 7rem;
}

.step-kanji {
  display: block;
  font-family: "Zen Old Mincho", serif;
  font-size: 3rem;
  color: #f3d7b0;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.case-card {
  background: #fffdf8;
  border: 1px solid var(--line);
  overflow: hidden;
}

.case-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.case-card:hover img {
  transform: scale(1.06);
}

.case-card-body {
  padding: 1.3rem 1.3rem 1.6rem;
}

.case-meta {
  color: var(--persimmon);
  letter-spacing: 0.08em;
}

.case-card dl {
  margin: 1rem 0 0;
}

.case-card dd {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.6rem;
}

.case-card em {
  font-style: normal;
  color: var(--persimmon);
}

.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.voice {
  margin: 0;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 1.2rem;
  padding: 1.4rem;
  background: #fffdf8;
  border: 1px solid var(--line);
}

.voice img {
  width: 96px;
  height: 128px;
  object-fit: cover;
}

.voice footer {
  color: var(--muted);
}

.voice footer span {
  display: block;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem;
  background: #fffdf8;
  border: 1px solid var(--line);
}

.contact-meta {
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.form {
  display: grid;
  gap: 0.9rem;
}

.form label {
  display: grid;
  gap: 0.3rem;
}

.form span {
  font-size: 0.9rem;
}

.form input,
.form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fffdf8;
  padding: 0.8rem 0.9rem;
}

.form input:focus,
.form textarea:focus {
  outline: 2px solid var(--persimmon);
  outline-offset: 1px;
}

.form-note {
  min-height: 1.5em;
  color: var(--forest);
}

.footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.footer-brand img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.footer-note,
.copyright {
  color: var(--muted);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  body {
    cursor: auto;
  }

  .cursor-dot,
  .cursor-ring {
    display: none;
  }

  .menu-btn {
    display: block;
    margin-left: auto;
  }

  .header-cta {
    display: none;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem 1.5rem 1.4rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open {
    display: flex;
  }

  .hero-grid,
  .insight-grid,
  .steps,
  .case-grid,
  .voice-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-side {
    writing-mode: horizontal-tb;
  }

  .hero-mark-wrap img {
    width: 160px;
    height: 160px;
  }

  .hero-foot {
    flex-direction: column;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }

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

:focus-visible {
  outline: 2px solid var(--persimmon);
  outline-offset: 3px;
}