/* ==========================================================================
   京都 family photo 月夜 — photographic × mono
   写真主役・フルブリード・monochrome UI・radius 0・shadow なし
   ========================================================================== */

:root {
  --cp-primary: #0A0A0A;
  --cp-accent: #404040;
  --cp-text: #0A0A0A;
  --cp-muted: #737373;
  --cp-muted-dark: #A3A3A3;
  --cp-bg: #FFFFFF;
  --cp-white: #FFFFFF;
  --cp-line: #E2E8F0;
  --font-sans: 'Inter', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --container: 1200px;
  --pad-x: clamp(1rem, 3vw, 3rem);
  --section-y: clamp(4rem, 8vw, 8rem);
  --ease-photo: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-feature-settings: 'palt';
  color: var(--cp-text);
  background: var(--cp-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dt, dd { margin: 0; }
h1, h2, h3 { margin: 0 0 1rem; line-height: 1.4; letter-spacing: -0.01em; font-weight: 500; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
button { font-family: inherit; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--pad-x); }
.section { padding-block: var(--section-y); position: relative; }
.section--dark { background: var(--cp-primary); color: var(--cp-white); }
.section--tone { background: #FAFAFA; }

.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cp-muted);
  margin: 0 0 1rem;
}
.section--dark .eyebrow { color: var(--cp-muted-dark); }
.section-title { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
.section-lead { max-width: 40em; color: var(--cp-muted); }
.section--dark .section-lead { color: var(--cp-muted-dark); }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--cp-primary);
  color: var(--cp-white);
  padding: 0.75rem 1.25rem;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: 0;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 300ms var(--ease-photo), color 300ms var(--ease-photo), border-color 300ms var(--ease-photo);
}
.btn--primary { background: var(--cp-primary); color: var(--cp-white); border-color: var(--cp-primary); }
.btn--primary:hover { background: var(--cp-accent); border-color: var(--cp-accent); }
.btn--outline { background: transparent; color: var(--cp-text); border-color: var(--cp-text); }
.btn--outline:hover { background: var(--cp-primary); color: var(--cp-white); border-color: var(--cp-primary); }
.btn--outline-light { background: transparent; color: var(--cp-white); border-color: var(--cp-white); }
.btn--outline-light:hover { background: var(--cp-white); color: var(--cp-primary); }
.btn .btn__arrow { font-family: var(--font-mono); }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  color: var(--cp-white);
  background: linear-gradient(to bottom, rgba(10, 10, 10, 0.55), rgba(10, 10, 10, 0));
  transition: background-color 400ms var(--ease-photo), color 400ms var(--ease-photo);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  color: var(--cp-text);
  border-bottom: 1px solid var(--cp-line);
}
.site-header__inner {
  max-width: none;
  padding-inline: var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  min-height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  min-width: 0;
}
.brand__mark { width: 48px; height: 48px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.brand__name { font-size: 1rem; font-weight: 600; letter-spacing: 0.04em; white-space: nowrap; }
.brand__sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.75;
}
.global-nav ul { display: flex; gap: clamp(1rem, 2.5vw, 2.25rem); align-items: center; }
.global-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 300ms var(--ease-photo), opacity 300ms var(--ease-photo);
}
.global-nav a:hover { border-bottom-color: currentColor; opacity: 0.85; }
.header-cta {
  flex: none;
  display: inline-block;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid currentColor;
  transition: background-color 300ms var(--ease-photo), color 300ms var(--ease-photo);
}
.site-header:not(.is-scrolled) .header-cta:hover { background: var(--cp-white); color: var(--cp-primary); }
.site-header.is-scrolled .header-cta:hover { background: var(--cp-primary); color: var(--cp-white); }

/* hamburger (SP のみ表示) */
.nav-toggle {
  display: none;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  position: relative;
  color: inherit;
}
.nav-toggle__bar {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1.5px;
  background: currentColor;
  transition: transform 300ms var(--ease-photo);
}
.nav-toggle__bar:nth-child(1) { top: 17px; }
.nav-toggle__bar:nth-child(2) { top: 26px; }

/* ---------- drawer (body 直下・sticky 文脈の外) ---------- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(10, 10, 10, 0.6);
  border: 0;
  padding: 0;
  cursor: pointer;
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  width: min(320px, 86vw);
  background: var(--cp-primary);
  color: var(--cp-white);
  padding: 5rem 2rem 2.5rem;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 400ms var(--ease-photo), visibility 0s linear 400ms;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  overflow-y: auto;
}
.drawer.is-open {
  transform: none;
  visibility: visible;
  transition: transform 400ms var(--ease-photo);
}
.drawer__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--cp-white);
  cursor: pointer;
}
.drawer__nav ul { display: flex; flex-direction: column; gap: 1.4rem; }
.drawer__nav a {
  display: block;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.drawer__nav a .en {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cp-muted-dark);
  margin-top: 0.2rem;
}
.drawer__tel { border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 1.5rem; }
.drawer__tel a { font-family: var(--font-mono); font-size: 1.2rem; text-decoration: none; }
.drawer__tel p { font-size: 0.8rem; color: var(--cp-muted-dark); margin: 0.4rem 0 0; }

/* ---------- hero (トップ / full-bleed) ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background: var(--cp-primary);
  color: var(--cp-white);
}
.hero picture { position: static; }
.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
html.js-enabled .hero__img { animation: hero-kenburns 18s var(--ease-photo) both; }
@keyframes hero-kenburns {
  from { transform: scale(1); }
  to { transform: scale(1.04); }
}
.hero::after {
  /* 下端の可読補助グラデ（全面ベタは敷かない） */
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 22%;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.55), rgba(10, 10, 10, 0));
  pointer-events: none;
}
.hero__panel {
  position: absolute;
  z-index: 2;
  left: clamp(1.25rem, 6vw, 7rem);
  bottom: clamp(6rem, 16vh, 10rem);
  max-width: 560px;
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(2px);
  padding: clamp(1.75rem, 4vw, 3rem);
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cp-muted-dark);
  margin: 0 0 1.25rem;
}
.hero__title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 400;
  line-height: 1.5;
  margin: 0 0 1.25rem;
}
.hero__lead { font-size: clamp(0.92rem, 1.4vw, 1rem); color: rgba(255, 255, 255, 0.88); margin: 0 0 1.75rem; }
.hero__meta {
  position: absolute;
  z-index: 2;
  bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.85);
}
.hero__meta a { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, 0.4); padding-bottom: 2px; }
.hero__meta a:hover { border-bottom-color: currentColor; }
.hero__meta--left { left: var(--pad-x); }
.hero__meta--right { right: var(--pad-x); text-align: right; }

/* ---------- 中ページ hero（generator が背景を CSS 変数/固定パスで配置） ---------- */
.cp-page-hero {
  position: relative;
  min-height: 46vh;
  display: flex;
  align-items: flex-end;
  color: var(--cp-white);
  background-color: var(--cp-primary);
  background-size: cover;
  background-position: center;
  padding: 9rem 0 3rem;
}
.page-about .cp-page-hero {
  background-image: linear-gradient(rgba(10, 10, 10, 0.5), rgba(10, 10, 10, 0.6)), url('/assets/images/hero-about.jpg');
}
.page-services .cp-page-hero {
  background-image: linear-gradient(rgba(10, 10, 10, 0.5), rgba(10, 10, 10, 0.6)), url('/assets/images/hero-services.jpg');
}
.page-contact .cp-page-hero {
  background-image: linear-gradient(rgba(10, 10, 10, 0.5), rgba(10, 10, 10, 0.6)), url('/assets/images/hero-contact.jpg');
}
.cp-page-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cp-muted-dark);
  margin: 0 0 0.75rem;
}
.cp-page-hero__title { font-size: clamp(1.9rem, 3.4vw, 2.8rem); font-weight: 400; margin: 0 0 0.75rem; }
.cp-page-hero__lead { max-width: 36em; color: rgba(255, 255, 255, 0.88); margin: 0; }

/* ---------- fade-in（初期 opacity 1 維持・JS 有効時のみ移動） ---------- */
.fade-in,
.photo-reveal {
  opacity: 1;
  transform: none;
  transition: transform 700ms var(--ease-photo), opacity 700ms var(--ease-photo);
}
html.js-enabled .fade-in:not(.is-in) { transform: translateY(8px); }
html.js-enabled .photo-reveal:not(.is-in) { transform: scale(0.98); }

/* ---------- concept（トップ） ---------- */
.concept__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.concept__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.concept__caption {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--cp-muted);
  margin-top: 0.75rem;
  font-family: var(--font-mono);
}
.concept__title { font-size: clamp(1.6rem, 2.8vw, 2.4rem); font-weight: 500; }

/* ---------- 強み 3 点 ---------- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-top: 2.5rem;
}
.feature { border-top: 1px solid var(--cp-line); padding-top: 1.75rem; }
.feature__icon { color: var(--cp-accent); margin-bottom: 1rem; }
.feature__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cp-muted);
  display: block;
  margin-bottom: 0.5rem;
}
.feature h3 { font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.feature p { font-size: 0.95rem; color: var(--cp-muted); }

/* ---------- stats ---------- */
.stats-section { isolation: isolate; overflow: hidden; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  text-align: center;
}
.stats dt { font-weight: 400; }
.stats .num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.stats .unit { font-size: 1rem; color: var(--cp-muted); margin-left: 0.25rem; }
.stats dd { font-size: 0.88rem; color: var(--cp-muted); margin-top: 0.5rem; }
.stats__note { margin-top: 2rem; text-align: center; font-size: 0.8rem; color: var(--cp-muted); }

/* ---------- gallery（作品集 masonry） ---------- */
.gallery-section .section-head { margin-bottom: 3rem; }
.gallery { column-count: 3; column-gap: 24px; }
.gallery figure { break-inside: avoid; margin: 0 0 24px; }
.gallery .frame { overflow: hidden; }
.gallery img {
  width: 100%;
  object-fit: cover;
  transition: transform 900ms var(--ease-photo);
}
.gallery figure:hover img { transform: scale(1.03); }
.gallery figure:nth-child(6n + 1) img { aspect-ratio: 3 / 4; }
.gallery figure:nth-child(6n + 2) img { aspect-ratio: 1 / 1; }
.gallery figure:nth-child(6n + 3) img { aspect-ratio: 4 / 5; }
.gallery figure:nth-child(6n + 4) img { aspect-ratio: 4 / 3; }
.gallery figure:nth-child(6n + 5) img { aspect-ratio: 3 / 4; }
.gallery figure:nth-child(6n + 6) img { aspect-ratio: 1 / 1; }
.gallery figcaption {
  display: flex;
  gap: 0.75em;
  align-items: baseline;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--cp-muted);
  padding-top: 0.6rem;
}
.gallery figcaption .no {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
}
/* stagger（reveal の順次ずれ） */
html.js-enabled .gallery figure:nth-child(2):not(.is-in) { transition-delay: 100ms; }
html.js-enabled .gallery figure:nth-child(3):not(.is-in) { transition-delay: 200ms; }
html.js-enabled .gallery figure:nth-child(4):not(.is-in) { transition-delay: 100ms; }
html.js-enabled .gallery figure:nth-child(5):not(.is-in) { transition-delay: 200ms; }
html.js-enabled .gallery figure:nth-child(6):not(.is-in) { transition-delay: 300ms; }

/* ---------- サービス概要（トップ）/ メニュー一覧（services） ---------- */
.menu-list { margin-top: 2.5rem; border-top: 1px solid var(--cp-line); }
.menu-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--cp-line);
}
.menu-list .no { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.2em; color: var(--cp-muted); }
.menu-list h3 { font-size: 1.05rem; margin: 0; }
.menu-list .desc { font-size: 0.88rem; color: var(--cp-muted); margin: 0.25rem 0 0; }
.menu-list .tag { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cp-muted); white-space: nowrap; }

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 3rem;
}
.service-card { display: flex; flex-direction: column; }
.service-card .frame { overflow: hidden; }
.service-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 900ms var(--ease-photo); }
.service-card:hover img { transform: scale(1.03); }
.service-card__body { padding: 1.25rem 0 0; }
.service-card .cap {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cp-muted);
  display: block;
  margin-bottom: 0.4rem;
}
.service-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.service-card p { font-size: 0.92rem; color: var(--cp-muted); }

/* ---------- split（写真+テキスト 交互） ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.split--reverse .split__photo { order: 2; }
.split__photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split__photo--tall img { aspect-ratio: 3 / 4; }
.split__caption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--cp-muted);
  margin-top: 0.75rem;
}
.split__body .btn { margin-top: 1rem; }

/* ---------- voices（dark + 背景写真） ---------- */
.voices { isolation: isolate; overflow: hidden; }
.voices__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 4rem);
  margin-top: 3rem;
}
.voice { border-left: 1px solid rgba(255, 255, 255, 0.35); padding-left: 1.75rem; }
.voice blockquote { margin: 0 0 1rem; font-size: clamp(1.05rem, 1.8vw, 1.3rem); font-weight: 400; line-height: 1.9; }
.voice cite { font-style: italic; font-family: var(--font-mono); font-size: 0.8rem; color: var(--cp-muted-dark); }

/* ---------- news ---------- */
.news-list { margin-top: 2rem; border-top: 1px solid var(--cp-line); }
.news-list details { border-bottom: 1px solid var(--cp-line); }
.news-list summary {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.25rem 0.25rem;
  cursor: pointer;
  list-style: none;
}
.news-list summary::-webkit-details-marker { display: none; }
.news-list summary:hover { background: #FAFAFA; }
.news-list .date { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; color: var(--cp-muted); white-space: nowrap; }
.news-list .cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  border: 1px solid var(--cp-line);
  padding: 0.1rem 0.5rem;
  color: var(--cp-muted);
  white-space: nowrap;
}
.news-list .title { font-weight: 500; }
.news-list summary .toggle-mark { margin-left: auto; font-family: var(--font-mono); color: var(--cp-muted); transition: transform 300ms var(--ease-photo); }
.news-list details[open] summary .toggle-mark { transform: rotate(45deg); }
.news-list .news-body { padding: 0 0.25rem 1.5rem; color: var(--cp-muted); font-size: 0.95rem; max-width: 46em; }

/* ---------- CTA band ---------- */
.cta-band { isolation: isolate; overflow: hidden; text-align: center; }
.cta-band__title { font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 400; }
.cta-band__lead { color: var(--cp-muted-dark); max-width: 38em; margin-inline: auto; }
.cta-band__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }
.cta-band__tel { font-family: var(--font-mono); font-size: 1.4rem; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, 0.4); padding-bottom: 2px; }
.cta-band__note { margin-top: 1rem; font-size: 0.8rem; color: var(--cp-muted-dark); }

/* ---------- section 装飾背景（D2） ---------- */
.section-bg-host { position: relative; isolation: isolate; }
.section-bg-host > .section-bg { /* inline style で position/inset/z-index 指定済み */ }

/* ---------- timeline（about 歩み） ---------- */
.timeline { margin-top: 2.5rem; border-left: 1px solid var(--cp-line); padding-left: 2rem; display: grid; gap: 2rem; max-width: 640px; }
.timeline li { position: relative; }
.timeline li::before {
  content: '';
  position: absolute;
  left: calc(-2rem - 3.5px);
  top: 0.6em;
  width: 7px;
  height: 7px;
  background: var(--cp-primary);
  border-radius: 50%;
}
.timeline .when { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.15em; color: var(--cp-muted); display: block; margin-bottom: 0.3rem; }
.timeline h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.timeline p { font-size: 0.92rem; color: var(--cp-muted); }

/* ---------- flow（services ご利用の流れ） ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
  margin-top: 3rem;
  counter-reset: flow;
}
.flow li { border-top: 1px solid var(--cp-line); padding-top: 1.5rem; position: relative; }
.flow .step {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cp-muted);
  display: block;
  margin-bottom: 0.6rem;
}
.flow h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.flow p { font-size: 0.88rem; color: var(--cp-muted); }

/* ---------- 料金について ---------- */
.price-note {
  margin-top: 2.5rem;
  border: 1px solid var(--cp-line);
  padding: clamp(1.75rem, 3.5vw, 3rem);
  max-width: 720px;
}
.price-note h3 { font-size: 1.1rem; }
.price-note p { color: var(--cp-muted); font-size: 0.95rem; }

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
.contact-aside { border-top: 1px solid var(--cp-line); padding-top: 1.75rem; display: grid; gap: 1.75rem; }
.contact-aside h3 { font-size: 1rem; display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.4rem; }
.contact-aside h3 svg { color: var(--cp-accent); flex: none; }
.contact-aside p { font-size: 0.92rem; color: var(--cp-muted); }
.contact-aside .tel-big { font-family: var(--font-mono); font-size: 1.5rem; text-decoration: none; color: var(--cp-text); }

.form { display: grid; gap: 1.4rem; margin-top: 2.5rem; }
.form__row { display: grid; gap: 0.45rem; }
.form label { font-size: 0.9rem; font-weight: 500; }
.form .req {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--cp-white);
  background: var(--cp-accent);
  padding: 0.1rem 0.4rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.form .opt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--cp-muted);
  border: 1px solid var(--cp-line);
  padding: 0.1rem 0.4rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.form input[type='text'],
.form input[type='email'],
.form input[type='tel'],
.form select,
.form textarea {
  width: 100%;
  font: inherit;
  padding: 0.85rem 1rem;
  border: 1px solid var(--cp-line);
  border-radius: 0;
  background: var(--cp-white);
  color: var(--cp-text);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid var(--cp-primary);
  outline-offset: 1px;
}
.form textarea { min-height: 180px; resize: vertical; }
.form__agree { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.92rem; }
.form__agree input { width: 18px; height: 18px; margin-top: 0.3em; accent-color: var(--cp-primary); }
.form__privacy { font-size: 0.85rem; color: var(--cp-muted); border: 1px solid var(--cp-line); }
.form__privacy summary { cursor: pointer; padding: 0.75rem 1rem; font-weight: 500; color: var(--cp-text); }
.form__privacy .privacy-body { padding: 0 1rem 1rem; }
.form__status { font-size: 0.95rem; }
#contact-otp-block { border: 1px solid var(--cp-line); padding: 1.25rem; display: grid; gap: 0.45rem; }
#contact-otp-block[hidden] { display: none; }
#contact-otp-block p { font-size: 0.8rem; color: var(--cp-muted); margin: 0.35rem 0 0; }

/* ---------- map / faq ---------- */
.cp-map { overflow: hidden; border: 1px solid var(--cp-line); margin-top: 2.5rem; }
.cp-map iframe { display: block; width: 100%; height: 420px; border: 0; }
.access-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 4vw, 4rem); margin-top: 2.5rem; }
.access-info dl { display: grid; gap: 1.1rem; }
.access-info dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cp-muted);
  margin-bottom: 0.2rem;
}
.access-info dd { font-size: 0.98rem; }

.faq { margin-top: 2rem; border-top: 1px solid var(--cp-line); max-width: 820px; }
.faq details { border-bottom: 1px solid var(--cp-line); }
.faq summary {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 1.2rem 0.25rem;
  cursor: pointer;
  font-weight: 500;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .q { font-family: var(--font-mono); font-size: 0.8rem; color: var(--cp-muted); }
.faq summary .toggle-mark { margin-left: auto; font-family: var(--font-mono); color: var(--cp-muted); transition: transform 300ms var(--ease-photo); }
.faq details[open] summary .toggle-mark { transform: rotate(45deg); }
.faq .faq-body { padding: 0 0.25rem 1.4rem; color: var(--cp-muted); font-size: 0.95rem; max-width: 46em; }

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  isolation: isolate;
  background: var(--cp-primary);
  color: var(--cp-white);
  padding: clamp(4rem, 7vw, 6rem) 0 0;
  overflow: hidden;
}
.site-footer__particles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.site-footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
  gap: clamp(2rem, 4vw, 4rem);
}
.site-footer__name { font-size: 1.25rem; font-weight: 600; letter-spacing: 0.04em; margin: 0 0 0.25rem; }
.site-footer__kana {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cp-muted-dark);
  margin: 0 0 1.25rem;
}
.site-footer__tagline { color: var(--cp-muted-dark); font-size: 0.92rem; }
.site-footer__info dl { display: grid; gap: 1rem; font-size: 0.92rem; }
.site-footer__info dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cp-muted-dark);
}
.site-footer__info a { text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, 0.35); padding-bottom: 1px; }
.site-footer__info a:hover { border-bottom-color: currentColor; }
.site-footer__nav ul { display: grid; gap: 0.9rem; }
.site-footer__nav a {
  text-decoration: none;
  font-size: 0.92rem;
}
.site-footer__nav a .en {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cp-muted-dark);
  margin-left: 0.6rem;
}
.site-footer__nav a:hover { color: var(--cp-muted-dark); }
.site-footer__copy {
  position: relative;
  z-index: 1;
  margin: clamp(3rem, 5vw, 4rem) 0 0;
  padding: 1.5rem var(--pad-x);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--cp-muted-dark);
}

/* ---------- back to top ---------- */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 70;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--cp-accent);
  background: var(--cp-accent);
  color: var(--cp-white);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background-color 300ms var(--ease-photo), opacity 300ms var(--ease-photo);
}
.back-to-top:hover { background: var(--cp-primary); }
.back-to-top[hidden] { display: none; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tab 以下 */
@media (max-width: 1024px) {
  .gallery { column-count: 2; }
  .service-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .concept__grid,
  .split,
  .contact-grid,
  .access-grid { grid-template-columns: minmax(0, 1fr); }
  .split--reverse .split__photo { order: 0; }
  .features__grid { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .voices__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__meta--right { display: none; }
}

/* SP */
@media (max-width: 560px) {
  .site-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 64px;
  }
  .global-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .brand__mark { width: 38px; height: 38px; }
  .brand__name { font-size: 0.78rem; letter-spacing: 0.02em; white-space: normal; }
  .brand__sub { display: none; }

  .section { padding: 4rem 0; }
  .container { padding-inline: 1.25rem; }

  .hero { min-height: 560px; }
  .hero__panel {
    left: 1.25rem;
    right: 1.25rem;
    bottom: 5.5rem;
    max-width: none;
    padding: 1.5rem 1.4rem;
  }
  .hero__title { font-size: clamp(2rem, 8vw, 2.6rem); }
  .hero__meta--left { right: 1.25rem; }

  .gallery { column-count: 1; }
  .service-cards { grid-template-columns: minmax(0, 1fr); }
  .flow { grid-template-columns: minmax(0, 1fr); }
  .menu-list li { grid-template-columns: auto 1fr; }
  .menu-list .tag { grid-column: 2; justify-self: start; white-space: normal; }
  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .cp-map iframe { height: 280px; }
  .stats { gap: 1.5rem; }
  .back-to-top { right: 1rem; bottom: 1rem; }
}

/* ai-hp enforced subpage hero backgrounds */
.aihp-subpage-hero--with-image {
  position: relative;
  background-image:
    linear-gradient(135deg, rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0.72)),
    var(--aihp-subpage-hero-image) !important;
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  overflow: hidden;
  isolation: isolate;
}
.aihp-subpage-hero--with-image > * {
  position: relative;
  z-index: 1;
}