/* --- CSS reset (minimal modern) --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

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

body {
  min-height: 100dvh;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

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

ul,
ol {
  list-style: none;
  padding: 0;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

/* --- tokens --- */
:root {
  --color-bg: #0b0b0d;
  --color-surface: #141418;
  --color-text: #f3eee4;
  --color-muted: #9a9286;
  --color-gold: #d4b56a;
  --color-gold-soft: #f0d78c;
  --color-line: rgba(243, 238, 228, 0.12);
  --color-danger: #e07a6a;
  --color-ok: #7dba8a;
  --font-serif: "Shippori Mincho", "Cormorant Garamond", serif;
  --font-en: "Cormorant Garamond", "Shippori Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --max: 1080px;
  --pad: clamp(20px, 4.5vw, 32px);
  --header-h: 72px;
  --bp-sp: 900px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 8;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

/* --- header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(11, 11, 13, 0.78);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

.site-logo img {
  width: 28px;
  height: 28px;
  animation: mark-glow 3.2s ease-in-out infinite;
}

.site-logo__en {
  font-family: var(--font-en);
  font-size: 1.15rem;
  letter-spacing: 0.16em;
  font-weight: 500;
}

.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-burger {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
}

.site-nav a:hover {
  color: var(--color-gold-soft);
}

.site-nav a[aria-current="page"] {
  color: var(--color-gold);
}

.nav-cta {
  padding: 8px 16px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold) !important;
}

.nav-cta:hover {
  background: var(--color-gold);
  color: var(--color-bg) !important;
}

.is-home .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  border-bottom-color: transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}

.is-home .site-header.is-scrolled {
  background: rgba(11, 11, 13, 0.82);
  border-bottom-color: var(--color-line);
  backdrop-filter: blur(16px);
}

.is-home main {
  padding-top: 0;
}

/* --- layout --- */
.wrap,
.hero__inner,
.photo-band__copy,
.page-hero,
.site-header__inner,
.site-footer__inner,
.site-footer__copy {
  width: 100%;
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
  box-sizing: border-box;
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: #050506;
}

.hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__media img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  max-width: none;
  object-fit: cover;
  object-position: 50% 50%;
  transform: translate(-50%, -50%) scale(1.04);
  animation: kenburns 18s ease-out forwards;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 8, 10, 0.88) 0%, rgba(8, 8, 10, 0.48) 46%, rgba(8, 8, 10, 0.18) 100%),
    linear-gradient(180deg, rgba(8, 8, 10, 0.45) 0%, rgba(8, 8, 10, 0.12) 36%, rgba(8, 8, 10, 0.82) 100%);
}

.hero__glow {
  position: absolute;
  width: 48vw;
  height: 48vw;
  left: 18%;
  top: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 215, 140, 0.28), transparent 68%);
  filter: blur(12px);
  animation: glow-breathe 4.8s ease-in-out infinite;
  pointer-events: none;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 34% 42%, rgba(255, 236, 186, 0.92) 0%, rgba(11, 11, 13, 0.35) 38%, #0b0b0d 68%);
  animation: flash-out 1.55s cubic-bezier(0.22, 0.7, 0.28, 1) forwards;
  pointer-events: none;
}

.hero__dust span {
  position: absolute;
  z-index: 2;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #f0d78c;
  box-shadow: 0 0 10px #f0d78c;
  animation: float-dust 8s ease-in-out infinite;
}

.hero__dust span:nth-child(1) { left: 14%; top: 28%; animation-delay: 0s; }
.hero__dust span:nth-child(2) { left: 28%; top: 62%; animation-delay: 1.2s; width: 2px; height: 2px; }
.hero__dust span:nth-child(3) { left: 48%; top: 22%; animation-delay: 2.1s; }
.hero__dust span:nth-child(4) { left: 66%; top: 48%; animation-delay: 0.6s; width: 4px; height: 4px; }
.hero__dust span:nth-child(5) { left: 78%; top: 30%; animation-delay: 3s; }
.hero__dust span:nth-child(6) { left: 38%; top: 78%; animation-delay: 1.8s; }

.hero__inner {
  position: relative;
  z-index: 3;
  padding-top: 128px;
  padding-bottom: 96px;
}

.hero__meta {
  font-family: var(--font-en);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-size: 0.82rem;
  margin-bottom: 28px;
  text-shadow: 0 0 18px rgba(212, 181, 106, 0.45);
  animation-delay: 1.05s;
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.1rem, 5.4vw, 4.4rem);
  line-height: 1.2;
  letter-spacing: 0.04em;
  animation-delay: 1.28s;
}

.hero__title-en {
  display: block;
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 500;
  font-size: 0.42em;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.hero__line {
  display: block;
  width: 0;
  height: 1px;
  margin-top: 28px;
  background: var(--color-gold);
  box-shadow: 0 0 12px var(--color-gold);
  animation: line-grow 1.1s 1.55s ease forwards;
}

.hero__lead {
  margin-top: 28px;
  max-width: 36em;
  color: #cfc6b8;
  font-size: 1.02rem;
  animation-delay: 1.65s;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
  animation-delay: 1.95s;
}

.hero-in {
  opacity: 0;
  transform: translateY(28px);
  animation: fade-up 1.05s cubic-bezier(0.22, 0.7, 0.28, 1) forwards;
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.section--alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-line);
}

.section--contact {
  padding-bottom: 120px;
}

.section__head {
  max-width: 40em;
  margin-bottom: 48px;
}

.eyebrow {
  font-family: var(--font-en);
  color: var(--color-gold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 10px;
}

.section h2,
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.section__intro {
  margin-top: 16px;
  color: var(--color-muted);
}

.service-grid {
  display: grid;
  gap: 18px;
}

.service-card {
  border: 1px solid var(--color-line);
  padding: 0 0 28px;
  background: rgba(20, 20, 24, 0.5);
  overflow: hidden;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}

.service-card:hover {
  border-color: rgba(212, 181, 106, 0.45);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28), 0 0 28px rgba(212, 181, 106, 0.12);
  transform: translateY(-4px);
}

.service-card__photo {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  margin-bottom: 20px;
}

.service-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.15s ease;
}

.service-card:hover .service-card__photo img {
  transform: scale(1.07);
}

.service-card__no {
  display: block;
  font-family: var(--font-en);
  color: var(--color-gold);
  letter-spacing: 0.16em;
  margin: 0 24px 14px;
}

.service-card h3 {
  margin-left: 24px;
  margin-right: 24px;
}

.service-card p {
  margin-left: 24px;
  margin-right: 24px;
}

.service-card h3,
.steps h3,
.fit-list h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.service-card p,
.steps p,
.fit-list p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.steps {
  display: grid;
  gap: 28px;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding-left: 72px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-en);
  color: var(--color-gold);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
}

.fit-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.fit-list li {
  padding: 28px 0;
  border-bottom: 1px solid var(--color-line);
}

.photo-band {
  position: relative;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  overflow: hidden;
}

.photo-band img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.photo-band__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 13, 0.15) 0%, rgba(11, 11, 13, 0.78) 100%);
}

.photo-band__copy {
  position: relative;
  z-index: 1;
  padding-top: 72px;
  padding-bottom: 72px;
}

.photo-band__copy p:last-child {
  margin-top: 14px;
  max-width: 36em;
  color: #cfc6b8;
}

.contact-split {
  display: grid;
  gap: 28px;
}

.contact-split > * {
  min-width: 0;
}

.contact-split__photo {
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.contact-split__photo img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  min-height: 280px;
}

.contact-split__glow {
  position: absolute;
  inset: auto 10% 12% 10%;
  height: 40%;
  background: radial-gradient(ellipse at center, rgba(212, 181, 106, 0.35), transparent 70%);
  animation: glow-breathe 4.2s ease-in-out infinite;
  pointer-events: none;
}

.contact-split__body {
  padding: 0;
}

.page-banner {
  position: relative;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  overflow: hidden;
  margin-bottom: 8px;
}

.page-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.page-banner__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 13, 0.2), rgba(11, 11, 13, 0.88));
}

.page-banner .page-hero {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 36px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s cubic-bezier(0.22, 0.7, 0.28, 1), transform 0.9s cubic-bezier(0.22, 0.7, 0.28, 1);
}

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

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  letter-spacing: 0.12em;
  font-size: 0.86rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-gold);
  color: #1a1408;
  box-shadow: 0 0 0 rgba(212, 181, 106, 0);
  animation: btn-glow 3.4s ease-in-out infinite;
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 25%, rgba(255, 255, 255, 0.45) 50%, transparent 75%);
  transform: translateX(-120%);
  animation: shine-sweep 3.8s ease-in-out infinite;
}

.btn--primary:hover {
  background: var(--color-gold-soft);
}

.btn--ghost {
  border: 1px solid var(--color-line);
}

.btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-soft);
}

.contact-form {
  display: grid;
  gap: 18px;
  max-width: 640px;
}

.contact-form label span {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.contact-form label em {
  font-style: normal;
  color: var(--color-gold);
  margin-left: 8px;
  font-size: 0.75rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: transparent;
  border: 1px solid var(--color-line);
  padding: 12px 14px;
  border-radius: 0;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 1px solid var(--color-gold);
  border-color: var(--color-gold);
}

.contact-form__note {
  color: var(--color-muted);
  font-size: 0.82rem;
}

.contact-form__note a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-form__honeypot {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.form-flash {
  max-width: 640px;
  margin-bottom: 24px;
  padding: 14px 16px;
  border: 1px solid var(--color-line);
}

.form-flash--ok {
  border-color: var(--color-ok);
  color: var(--color-ok);
}

.form-flash--ng {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.page {
  padding-bottom: 80px;
}

.page-hero {
  padding-top: 72px;
  padding-bottom: 12px;
}

.profile {
  width: 100%;
  border-collapse: collapse;
}

.profile th,
.profile td {
  text-align: left;
  vertical-align: top;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-line);
  font-weight: 400;
}

.profile th {
  width: 10em;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  font-size: 0.86rem;
}

.profile a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose .wrap {
  max-width: 42em;
}

.prose h2 {
  font-size: 1.15rem;
  margin: 36px 0 12px;
  letter-spacing: 0.08em;
}

.prose p,
.prose li {
  color: var(--color-muted);
}

.prose ul {
  list-style: disc;
  padding-left: 1.3em;
}

.prose li + li {
  margin-top: 6px;
}

.prose a {
  color: var(--color-gold);
}

.prose__end {
  margin-top: 48px;
}

.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 56px 0 32px;
}

.site-footer__inner {
  display: grid;
  gap: 32px;
  padding-bottom: 40px;
}

.site-footer__en {
  font-family: var(--font-en);
  letter-spacing: 0.18em;
  font-size: 1.2rem;
}

.site-footer__name {
  margin-top: 6px;
  font-size: 0.92rem;
}

.site-footer__addr {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  font-size: 0.86rem;
  color: var(--color-muted);
}

.site-footer__nav a:hover {
  color: var(--color-gold-soft);
}

.site-footer__copy {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  color: var(--color-muted);
  font-size: 0.75rem;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}

@media (min-width: 901px) {
  .service-grid {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .steps li {
    padding-left: 0;
    padding-top: 36px;
  }

  .fit-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 40px;
    border-top: 0;
  }

  .fit-list li {
    padding: 0;
    border-bottom: 0;
    border-top: 1px solid var(--color-line);
    padding-top: 28px;
  }

  .site-footer__inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  .photo-band {
    min-height: 560px;
  }

  .contact-split {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
    gap: 40px;
  }

  .contact-split__photo {
    min-height: 100%;
  }

  .contact-split__photo img {
    min-height: 100%;
    position: absolute;
    inset: 0;
  }

  .contact-split__body {
    padding: 8px 0 0;
  }

  .page-banner {
    min-height: 380px;
  }
}

@media (max-width: 900px) {
  .nav-burger {
    display: block;
    width: 28px;
    height: 18px;
    position: relative;
    z-index: 2;
    cursor: pointer;
  }

  .nav-burger::before,
  .nav-burger::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-text);
  }

  .nav-burger::before {
    top: 4px;
    box-shadow: 0 5px 0 var(--color-text);
  }

  .nav-burger::after {
    bottom: 4px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #0f0f12;
    border-bottom: 1px solid var(--color-line);
    padding: 8px var(--pad) 20px;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-line);
  }

  .nav-cta {
    margin-top: 12px;
    text-align: center;
    border: 1px solid var(--color-gold);
  }

  .nav-toggle:checked ~ .site-nav {
    display: flex;
  }

  .hero {
    min-height: 100dvh;
  }

  .hero__inner {
    padding-top: 96px;
    padding-bottom: 64px;
  }

  .section,
  .section--contact {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .photo-band {
    min-height: 320px;
  }

  .photo-band__copy {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .profile th,
  .profile td {
    display: block;
    width: 100%;
    padding: 0;
  }

  .profile th {
    padding-top: 18px;
  }

  .profile td {
    padding-bottom: 18px;
    padding-top: 6px;
  }
}

@keyframes kenburns {
  from { transform: translate(-50%, -50%) scale(1.08); }
  to { transform: translate(-50%, -50%) scale(1); }
}

@keyframes flash-out {
  0% { opacity: 1; }
  22% { opacity: 1; }
  100% { opacity: 0; visibility: hidden; }
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes line-grow {
  to { width: min(12rem, 42%); }
}

@keyframes glow-breathe {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.12); }
}

@keyframes float-dust {
  0%, 100% { transform: translateY(0); opacity: 0.25; }
  50% { transform: translateY(-18px); opacity: 0.95; }
}

@keyframes mark-glow {
  0%, 100% { filter: drop-shadow(0 0 3px rgba(212, 181, 106, 0.25)); }
  50% { filter: drop-shadow(0 0 12px rgba(240, 215, 140, 0.9)); }
}

@keyframes shine-sweep {
  0%, 55% { transform: translateX(-120%); }
  75%, 100% { transform: translateX(120%); }
}

@keyframes btn-glow {
  0%, 100% { box-shadow: 0 0 0 rgba(212, 181, 106, 0); }
  50% { box-shadow: 0 0 22px rgba(212, 181, 106, 0.55); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__media img,
  .hero__veil,
  .hero__glow,
  .hero__dust span,
  .hero-in,
  .hero__line,
  .site-logo img,
  .btn--primary,
  .btn--primary::after,
  .contact-split__glow {
    animation: none !important;
  }

  .hero__veil {
    display: none;
  }

  .hero__media img {
    transform: translate(-50%, -50%) scale(1) !important;
  }

  .hero-in,
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .service-card:hover,
  .service-card:hover .service-card__photo img {
    transform: none;
  }
}