/* ============================================================
   北本植物 — antique × charcoal
   「乾いた漆黒の標本室」 静か / 乾燥 / 黒 / トゲトゲしい
   ============================================================ */

:root {
  --cp-primary: #2A2A2A;
  --cp-accent: #A3A3A3;
  --cp-text: #F5F5F5;
  --cp-muted: #999999;
  --cp-bg: #1A1A1A;
  --cp-white: #FFFFFF;
  --cp-line: #E2E8F0;
  --cp-line-soft: rgba(226, 232, 240, 0.16);
  --cp-line-strong: rgba(226, 232, 240, 0.32);
  --cp-surface: #212121;
  --cp-radius: 2px;
  --cp-font-display: 'Cinzel', 'Cormorant Garamond', serif;
  --cp-font-serif: 'Noto Serif JP', 'Cormorant Garamond', serif;
  --cp-font-mono: 'IBM Plex Mono', monospace;
  --cp-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  --cp-frame: 0 0 0 1px var(--cp-line-soft), 0 0 0 4px var(--cp-bg), 0 0 0 5px var(--cp-line-soft);
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: var(--cp-font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.01em;
  font-feature-settings: 'palt', 'liga';
  -webkit-font-smoothing: antialiased;
  position: relative;
}
/* 乾いた紙のような grain */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
  opacity: 0.05;
  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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cp-text); text-decoration: none; transition: color 300ms ease-out; }
a:hover { color: var(--cp-accent); }
ul, ol { list-style: none; }
address { font-style: normal; }

.u-nowrap { white-space: nowrap; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}
.skip-link {
  position: absolute; top: -48px; left: 8px; z-index: 1500;
  background: var(--cp-primary); color: var(--cp-white);
  padding: 0.6rem 1.2rem; border: 1px solid var(--cp-line-strong);
  transition: top 200ms ease-out;
}
.skip-link:focus { top: 8px; }

/* ---------- 写真の sepia (scroll-in で過去→現在へ減衰) ---------- */
.cp-frame img, .cp-hero__media img, .cp-access__photo img {
  filter: sepia(0.45) saturate(0.7) contrast(1.02);
  transition: filter 800ms ease-out;
}
.is-in .cp-frame img, .cp-frame.is-in img,
.is-in.cp-hero__media img, .cp-access__photo.is-in img {
  filter: sepia(0.15) saturate(0.95) contrast(1.02);
}

/* ---------- fade-in (initial opacity 1 厳守) ---------- */
.fade-in { opacity: 1; transform: none; transition: transform 800ms ease-out; }
html.js-enabled .fade-in:not(.is-in) { transform: translateY(8px); }

/* ---------- typography ---------- */
.cp-eyebrow {
  font-family: var(--cp-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--cp-accent);
  margin-bottom: 0.9rem;
}
h1, h2, h3 { line-height: 1.4; letter-spacing: 0.04em; }
h2 { font-family: var(--cp-font-display); font-weight: 600; font-size: clamp(1.9rem, 3.2vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 600; }

.cp-heading { margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.cp-heading--center { text-align: center; }
.cp-heading__sub { color: var(--cp-muted); font-style: italic; margin-top: 0.8rem; font-size: 0.95rem; }
.cp-heading__romaji {
  display: block; font-family: var(--cp-font-mono); font-size: 0.8rem;
  letter-spacing: 0.2em; color: var(--cp-muted); margin-top: 0.6rem;
}
.cp-ornament { display: inline-block; color: var(--cp-accent); margin: 0.4rem 0; }
.cp-ornament svg { display: inline-block; vertical-align: middle; }

/* イニシャルキャップ */
.cp-lead-initial::first-letter {
  font-family: var(--cp-font-display);
  font-size: 3.2em; float: left; line-height: 0.85;
  padding: 0.05em 0.12em 0 0; color: var(--cp-accent);
}

.cp-mono-link {
  display: inline-block;
  font-family: var(--cp-font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--cp-text);
  border-bottom: 1px solid var(--cp-line-strong);
  padding-bottom: 0.5rem;
  margin-top: 1.8rem;
  transition: color 300ms ease-out, border-color 300ms ease-out;
}
.cp-mono-link span { color: var(--cp-muted); letter-spacing: 0.1em; }
.cp-mono-link:hover { color: var(--cp-accent); border-color: var(--cp-accent); }

/* ---------- layout ---------- */
.cp-container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1rem, 3vw, 3rem); }
.cp-container--narrow { max-width: 880px; }
.cp-section { position: relative; padding: clamp(4rem, 8vw, 8rem) 0; }
.cp-section:has(> .cp-section__bg) { isolation: isolate; overflow: hidden; }
.cp-section__bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.16; z-index: -1;
  filter: sepia(0.5) saturate(0.55);
}
.cp-section__bg--dim { opacity: 0.12; }
.cp-center { text-align: center; }
.cp-center-text { text-align: center; }
.cp-center-text p { text-align: left; }
.cp-center-text .cp-heading { text-align: center; }

.cp-split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.cp-split--reverse { grid-template-columns: 0.9fr 1.1fr; }
.cp-split__text p + p { margin-top: 1.2rem; }
.cp-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.cp-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.cp-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); }

/* ---------- header ---------- */
.cp-header {
  position: sticky; top: 0; z-index: 900;
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cp-line-soft);
}
.cp-header__inner {
  max-width: 1360px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1.5rem; padding: 0.9rem clamp(1rem, 3vw, 2.5rem);
}
.cp-brand { display: flex; align-items: center; gap: 0.75rem; }
.cp-brand img, .cp-brand .cp-logo-mark { width: 48px; height: 48px; }
.cp-logo-mark { display: block; flex: 0 0 auto; color: var(--cp-accent); }
.cp-brand__text { display: flex; flex-direction: column; line-height: 1.3; }
.cp-brand__en { font-family: var(--cp-font-mono); font-size: 0.62rem; letter-spacing: 0.3em; color: var(--cp-muted); }
.cp-brand__name { font-size: 1.05rem; font-weight: 600; letter-spacing: 0.12em; }
.cp-nav { display: flex; gap: clamp(1.2rem, 2.4vw, 2.4rem); }
.cp-nav a { font-size: 0.92rem; letter-spacing: 0.08em; }
.cp-nav a i, .cp-drawer__nav a i {
  font-style: normal; font-family: var(--cp-font-mono);
  font-size: 0.72rem; color: var(--cp-muted); margin-right: 0.45em;
}
.cp-nav a[aria-current="page"], .cp-drawer__nav a[aria-current="page"] { color: var(--cp-accent); }

/* ---------- buttons (二重枠の antique frame) ---------- */
.cp-btn {
  display: inline-block;
  font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.1em;
  padding: 0.85rem 1.5rem;
  border-radius: var(--cp-radius);
  transition: background 400ms ease-out, box-shadow 400ms ease-out, color 400ms ease-out;
}
.cp-btn--primary {
  background: var(--cp-primary);
  color: var(--cp-white);
  box-shadow: 0 0 0 1px var(--cp-line-strong), inset 0 0 0 1px rgba(226, 232, 240, 0.18);
}
.cp-btn--primary:hover {
  background: #383838; color: var(--cp-white);
  box-shadow: 0 0 0 1px var(--cp-accent), inset 0 0 0 1px rgba(226, 232, 240, 0.3);
}
.cp-btn--outline {
  border: 2px solid var(--cp-line-strong);
  box-shadow: inset 0 0 0 1px rgba(226, 232, 240, 0.12);
  color: var(--cp-text);
  padding: 0.7rem 1.4rem;
}
.cp-btn--outline:hover { border-color: var(--cp-accent); color: var(--cp-accent); }
.cp-header__cta { white-space: nowrap; }

/* ---------- burger / drawer ---------- */
.cp-burger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px;
  background: transparent; border: 1px solid var(--cp-line-soft);
  border-radius: var(--cp-radius); cursor: pointer; padding: 10px;
}
.cp-burger span { display: block; height: 1px; background: var(--cp-text); transition: transform 300ms ease-out; }
.cp-drawer-overlay {
  position: fixed; inset: 0; z-index: 1200;
  background: rgba(10, 10, 10, 0.6);
}
.cp-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 1300;
  width: min(320px, 85vw);
  background: var(--cp-surface);
  border-left: 1px solid var(--cp-line-soft);
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.5);
  padding: 4.5rem 2rem 2rem;
  transform: translateX(102%);
  transition: transform 400ms ease-out;
  visibility: hidden;
}
.cp-drawer.is-open { transform: translateX(0); visibility: visible; }
.cp-drawer__close {
  position: absolute; top: 1rem; right: 1rem;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: transparent; border: 1px solid var(--cp-line-soft);
  border-radius: var(--cp-radius); color: var(--cp-text); cursor: pointer;
}
.cp-drawer__close:hover { color: var(--cp-accent); border-color: var(--cp-accent); }
.cp-drawer__nav { display: flex; flex-direction: column; gap: 1.4rem; }
.cp-drawer__nav a { font-size: 1.02rem; letter-spacing: 0.1em; }
.cp-drawer__nav .cp-btn { text-align: center; margin-top: 0.6rem; }
.cp-drawer__note {
  margin-top: 2.2rem; font-family: var(--cp-font-mono);
  font-size: 0.72rem; letter-spacing: 0.14em; color: var(--cp-muted);
}

/* ---------- hero (split: 縦書き + text + 額縁写真) ---------- */
.cp-hero { padding: clamp(3rem, 7vw, 6.5rem) 0; border-bottom: 1px solid var(--cp-line-soft); }
.cp-hero__inner {
  max-width: 1360px; margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  display: grid; grid-template-columns: auto 1fr 1.15fr;
  gap: clamp(1.5rem, 4vw, 4rem); align-items: center;
}
.cp-hero__vertical {
  writing-mode: vertical-rl;
  font-size: 0.8rem; letter-spacing: 0.35em;
  color: var(--cp-muted);
  border-left: 1px solid var(--cp-line-soft);
  padding-left: 1.2rem;
  max-height: 420px;
}
.cp-hero__title {
  font-family: var(--cp-font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.15;
  color: var(--cp-white);
}
.cp-hero__tagline {
  margin-top: 1.8rem;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  letter-spacing: 0.14em;
  color: var(--cp-accent);
}
.cp-hero__media {
  position: relative;
  box-shadow: var(--cp-frame), var(--cp-shadow);
  border-radius: var(--cp-radius);
  overflow: hidden;
}
.cp-hero__media img { width: 100%; height: clamp(420px, 62vh, 640px); object-fit: cover; object-position: center; }

/* ---------- 額縁 frame ---------- */
.cp-frame {
  position: relative;
  box-shadow: var(--cp-frame), var(--cp-shadow);
  border-radius: var(--cp-radius);
  overflow: hidden;
  background: var(--cp-surface);
  transition: box-shadow 600ms ease-out;
}
.cp-frame:hover { box-shadow: 0 0 0 1px var(--cp-line-soft), 0 0 0 4px var(--cp-bg), 0 0 0 5px var(--cp-accent), var(--cp-shadow); }
.cp-frame img { width: 100%; object-fit: cover; }
.cp-frame--ornate::before {
  content: ""; position: absolute; inset: 10px; z-index: 1;
  border: 1px solid rgba(226, 232, 240, 0.22);
  pointer-events: none;
}
.cp-frame__caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  font-family: var(--cp-font-mono);
  font-size: 0.7rem; letter-spacing: 0.2em;
  color: var(--cp-text);
  background: linear-gradient(transparent, rgba(15, 15, 15, 0.85));
  padding: 2rem 1.1rem 0.8rem;
}
.cp-split__media img { height: 100%; min-height: 420px; }

/* ---------- cards ---------- */
.cp-card {
  background: var(--cp-surface);
  border-radius: var(--cp-radius);
  box-shadow: var(--cp-frame), var(--cp-shadow);
  padding: clamp(1.5rem, 3vw, 2rem);
  transition: box-shadow 600ms ease-out;
}
.cp-card:hover { box-shadow: 0 0 0 1px var(--cp-line-soft), 0 0 0 4px var(--cp-bg), 0 0 0 5px var(--cp-accent), var(--cp-shadow); }
.cp-card__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border: 1px solid var(--cp-line-strong);
  outline: 1px solid var(--cp-line-soft); outline-offset: 3px;
  border-radius: var(--cp-radius);
  color: var(--cp-accent);
  margin-bottom: 1.3rem;
}
.cp-card h3 { margin-bottom: 0.8rem; }
.cp-card p { font-size: 0.98rem; color: #d9d9d9; }
.cp-card p + p { margin-top: 0.6rem; }
.cp-card--media { padding: 0; overflow: hidden; }
.cp-card--media figure { margin: 0 0 1.2rem; }
.cp-card--media img { width: 100%; height: 220px; object-fit: cover; filter: sepia(0.4) saturate(0.75); transition: filter 800ms ease-out; }
.cp-card--media.is-in img { filter: sepia(0.12) saturate(0.95); }
.cp-card--media .cp-lineup__no, .cp-card--media h3, .cp-card--media p { padding: 0 1.5rem; }
.cp-card--media p:last-child { padding-bottom: 1.6rem; }

/* ---------- lineup (No. 01-04) ---------- */
.cp-lineup {
  display: block;
  background: var(--cp-surface);
  border-radius: var(--cp-radius);
  box-shadow: var(--cp-frame), var(--cp-shadow);
  padding: 1.6rem 1.4rem;
  transition: box-shadow 600ms ease-out, transform 600ms ease-out;
}
.cp-lineup:hover {
  box-shadow: 0 0 0 1px var(--cp-line-soft), 0 0 0 4px var(--cp-bg), 0 0 0 5px var(--cp-accent), var(--cp-shadow);
  color: var(--cp-text);
}
.cp-lineup__no {
  display: block;
  font-family: var(--cp-font-mono);
  font-size: 0.72rem; letter-spacing: 0.26em;
  color: var(--cp-accent);
  margin-bottom: 0.9rem;
}
.cp-lineup h3 { margin-bottom: 0.6rem; }
.cp-lineup p { font-size: 0.92rem; color: var(--cp-muted); }
.cp-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); margin-top: clamp(2rem, 4vw, 3rem); }
.cp-gallery img { height: 260px; }

/* ---------- stats ---------- */
.cp-stats-section { border-top: 1px solid var(--cp-line-soft); border-bottom: 1px solid var(--cp-line-soft); }
.cp-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.cp-stat {
  text-align: center;
  padding: 2rem 1rem;
  border: 1px solid var(--cp-line-soft);
  outline: 1px solid var(--cp-line-soft); outline-offset: 4px;
  border-radius: var(--cp-radius);
}
.cp-stat dt { display: flex; align-items: baseline; justify-content: center; gap: 0.35rem; flex-wrap: wrap; }
.cp-stat__num {
  font-family: var(--cp-font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 600; color: var(--cp-white);
  line-height: 1.1;
}
.cp-stat__num em { font-style: normal; color: var(--cp-accent); font-size: 0.6em; }
.cp-stat__unit {
  font-family: var(--cp-font-mono);
  font-size: 0.78rem; letter-spacing: 0.2em;
  color: var(--cp-accent); text-transform: uppercase;
}
.cp-stat dd { margin-top: 0.9rem; font-size: 0.88rem; color: var(--cp-muted); }
.cp-news .cp-stat dd { color: var(--cp-muted); }

/* ---------- timeline ---------- */
.cp-timeline { position: relative; padding-left: 2.2rem; display: grid; gap: clamp(2rem, 4vw, 3rem); }
.cp-timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 1px; background: var(--cp-line-soft);
}
.cp-timeline li { position: relative; }
.cp-timeline li::before {
  content: ""; position: absolute; left: -2.2rem; top: 0.5em;
  width: 9px; height: 9px; margin-left: 4.5px;
  background: var(--cp-bg);
  border: 1px solid var(--cp-accent);
  transform: rotate(45deg);
}
.cp-timeline__label {
  display: inline-block;
  font-family: var(--cp-font-mono);
  font-size: 0.75rem; letter-spacing: 0.24em;
  color: var(--cp-accent);
  margin-bottom: 0.5rem; text-transform: uppercase;
}
.cp-timeline h3 { margin-bottom: 0.6rem; }
.cp-timeline p { color: #d9d9d9; font-size: 0.98rem; }

/* ---------- table ---------- */
.cp-table { width: 100%; border-collapse: collapse; }
.cp-table th, .cp-table td { padding: 1.05rem 1rem; border-bottom: 1px solid var(--cp-line-soft); text-align: left; vertical-align: top; }
.cp-table th {
  width: 9em; font-family: var(--cp-font-mono);
  font-weight: 500; font-size: 0.82rem; letter-spacing: 0.14em;
  color: var(--cp-accent); white-space: nowrap;
}
.cp-table td { font-size: 0.98rem; }

/* ---------- news / FAQ details ---------- */
.cp-news-list { display: grid; gap: 1rem; }
.cp-news-item {
  background: var(--cp-surface);
  border-radius: var(--cp-radius);
  box-shadow: var(--cp-frame);
  transition: box-shadow 600ms ease-out;
}
.cp-news-item:hover { box-shadow: 0 0 0 1px var(--cp-line-soft), 0 0 0 4px var(--cp-bg), 0 0 0 5px var(--cp-accent); }
.cp-news-item summary {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  cursor: pointer; list-style: none;
  padding: 1.15rem 3rem 1.15rem 1.4rem;
  position: relative;
  font-weight: 500;
}
.cp-news-item summary::-webkit-details-marker { display: none; }
.cp-news-item summary::after {
  content: "+"; position: absolute; right: 1.3rem; top: 50%;
  transform: translateY(-50%);
  font-family: var(--cp-font-mono); color: var(--cp-accent);
  transition: transform 300ms ease-out;
}
.cp-news-item[open] summary::after { content: "−"; }
.cp-news-item time {
  font-family: var(--cp-font-mono);
  font-size: 0.78rem; letter-spacing: 0.12em; color: var(--cp-muted);
}
.cp-news-item__label {
  font-family: var(--cp-font-mono);
  font-size: 0.68rem; letter-spacing: 0.2em;
  color: var(--cp-accent);
  border: 1px solid var(--cp-line-soft);
  padding: 0.15rem 0.6rem; border-radius: var(--cp-radius);
}
.cp-news-item__body { padding: 0 1.4rem 1.3rem; color: #d9d9d9; font-size: 0.96rem; }
.cp-news-item__body p + p { margin-top: 0.7rem; }

/* ---------- price ---------- */
.cp-price__figure {
  display: flex; align-items: center; justify-content: center; gap: 1.2rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 2rem;
  padding: 2.2rem 1rem;
  border: 1px solid var(--cp-line-soft);
  outline: 1px solid var(--cp-line-soft); outline-offset: 5px;
}
.cp-price__num {
  font-family: var(--cp-font-display);
  font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 600; color: var(--cp-white);
}
.cp-price__dash { color: var(--cp-accent); font-size: 1.5rem; }

/* ---------- signature ---------- */
.cp-signature { margin-top: 2rem; display: flex; align-items: baseline; gap: 1rem; }
.cp-signature__role { font-size: 0.82rem; color: var(--cp-muted); letter-spacing: 0.1em; }
.cp-signature__name { font-size: 1.5rem; font-weight: 600; letter-spacing: 0.22em; }

/* ---------- page hero (中ページ・背景画像は generator 配置) ---------- */
.cp-page-hero {
  position: relative;
  padding: clamp(5rem, 10vw, 8.5rem) 0;
  border-bottom: 1px solid var(--cp-line-soft);
  background-color: var(--cp-primary);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.cp-page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(rgba(26, 26, 26, 0.62), rgba(26, 26, 26, 0.82));
}
.cp-page-hero .cp-container { position: relative; z-index: 1; }
.cp-page-hero__title {
  font-family: var(--cp-font-serif);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.1em;
  color: var(--cp-white);
}
.cp-page-hero__lead { margin-top: 1rem; color: #d9d9d9; letter-spacing: 0.06em; }

/* ---------- contact form ---------- */
.cp-form {
  background: var(--cp-surface);
  border-radius: var(--cp-radius);
  box-shadow: var(--cp-frame), var(--cp-shadow);
  padding: clamp(1.8rem, 4vw, 3rem);
  display: grid; gap: 1.4rem;
}
.cp-form__row label { display: block; font-size: 0.92rem; letter-spacing: 0.06em; margin-bottom: 0.5rem; }
.cp-form__req {
  font-family: var(--cp-font-mono);
  font-size: 0.65rem; letter-spacing: 0.14em;
  color: var(--cp-bg); background: var(--cp-accent);
  padding: 0.1rem 0.5rem; border-radius: var(--cp-radius);
  margin-left: 0.5em; vertical-align: middle;
}
.cp-form input[type="text"], .cp-form input[type="email"], .cp-form input[type="tel"],
.cp-form select, .cp-form textarea {
  width: 100%;
  background: var(--cp-bg);
  border: 1px solid var(--cp-line-soft);
  border-radius: var(--cp-radius);
  color: var(--cp-text);
  font-family: var(--cp-font-serif);
  font-size: 1rem;
  padding: 0.8rem 1rem;
  transition: border-color 300ms ease-out;
}
.cp-form input:focus, .cp-form select:focus, .cp-form textarea:focus {
  outline: none; border-color: var(--cp-accent);
  box-shadow: 0 0 0 1px var(--cp-accent);
}
.cp-form__note { font-size: 0.82rem; color: var(--cp-muted); margin-top: 0.5rem; }
.cp-check { display: flex; gap: 0.7rem; align-items: flex-start; cursor: pointer; }
.cp-check input { width: 18px; height: 18px; margin-top: 0.35em; accent-color: var(--cp-accent); }
.cp-form__submit { justify-self: start; min-width: 220px; text-align: center; cursor: pointer; border: 0; font-family: var(--cp-font-serif); }
#contact-status { font-size: 0.95rem; }

.cp-tel-link { font-family: var(--cp-font-display); font-size: 1.6rem; letter-spacing: 0.08em; color: var(--cp-white); }
.cp-tel-link:hover { color: var(--cp-accent); }

/* ---------- map ---------- */
.cp-map {
  border-radius: var(--cp-radius);
  overflow: hidden;
  border: 1px solid var(--cp-line-soft);
  outline: 1px solid var(--cp-line-soft); outline-offset: 4px;
  align-self: stretch;
}
.cp-map iframe { display: block; width: 100%; height: 100%; min-height: 420px; border: 0; filter: grayscale(0.4) contrast(0.95); }
.cp-access__photo { margin-top: 1.6rem; }
.cp-access__photo img { height: 300px; }

/* ---------- CTA ---------- */
.cp-cta { border-top: 1px solid var(--cp-line-soft); }
.cp-cta__inner { text-align: center; max-width: 760px; }
.cp-cta__inner h2 { color: var(--cp-white); margin-bottom: 1.2rem; font-family: var(--cp-font-serif); letter-spacing: 0.08em; }
.cp-cta__inner > p { color: #d9d9d9; }
.cp-cta__actions { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; margin-top: 2.2rem; }
.cp-cta__tel { margin-top: 1.8rem; font-family: var(--cp-font-mono); font-size: 0.85rem; letter-spacing: 0.18em; color: var(--cp-muted); }
.cp-cta__tel a { color: var(--cp-accent); }

/* ---------- footer ---------- */
.cp-footer {
  position: relative; isolation: isolate;
  background: #151515;
  border-top: 1px solid var(--cp-line-soft);
  margin-top: clamp(3rem, 6vw, 5rem);
}
.cp-footer__particles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.cp-footer__inner {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto;
  padding: clamp(3.5rem, 6vw, 5.5rem) clamp(1rem, 3vw, 3rem) 2.5rem;
  display: grid; grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.cp-footer__brand img, .cp-footer__brand .cp-logo-mark { margin-bottom: 1rem; }
.cp-footer__name { font-size: 1.3rem; font-weight: 600; letter-spacing: 0.18em; }
.cp-footer__name span {
  display: block; font-family: var(--cp-font-mono);
  font-size: 0.66rem; letter-spacing: 0.32em; color: var(--cp-muted); margin-top: 0.3rem;
}
.cp-footer__tagline { margin-top: 1rem; font-size: 0.9rem; color: var(--cp-muted); letter-spacing: 0.1em; }
.cp-footer__nav { display: flex; flex-direction: column; gap: 0.9rem; }
.cp-footer__nav a { font-size: 0.92rem; color: #d9d9d9; }
.cp-footer__nav a:hover { color: var(--cp-accent); }
.cp-footer__info { font-size: 0.88rem; color: var(--cp-muted); display: grid; gap: 1rem; align-content: start; }
.cp-footer__info a { color: #d9d9d9; }
.cp-footer__copy {
  position: relative; z-index: 1;
  text-align: center;
  padding: 1.4rem 1rem;
  border-top: 1px solid var(--cp-line-soft);
  color: var(--cp-muted); font-size: 0.8rem; letter-spacing: 0.14em;
}

/* ---------- back to top (ornament frame) ---------- */
.back-to-top {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 1100;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: rgba(26, 26, 26, 0.92);
  color: var(--cp-accent);
  border: 1px solid var(--cp-accent);
  outline: 1px solid var(--cp-line-soft); outline-offset: 3px;
  border-radius: var(--cp-radius);
  cursor: pointer;
  opacity: 0; transform: translateY(8px);
  transition: opacity 500ms ease-out, transform 500ms ease-out, color 300ms ease-out;
}
.back-to-top.is-visible { opacity: 1; transform: none; }
.back-to-top:hover { color: var(--cp-white); border-color: var(--cp-white); }

/* ---------- dept ---------- */
.cp-dept__wide { margin-top: clamp(2rem, 4vw, 3rem); }
.cp-dept__wide img { height: clamp(260px, 32vw, 420px); }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 1024px) {
  .cp-nav { display: none; }
  .cp-burger { display: flex; }
  .cp-hero__inner { grid-template-columns: auto 1fr; }
  .cp-hero__media { grid-column: 1 / -1; }
  .cp-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .cp-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .cp-header__cta { display: none; }
  .cp-split, .cp-split--reverse { grid-template-columns: 1fr; }
  .cp-split--reverse .cp-split__media { order: 2; }
  .cp-split--reverse .cp-split__text { order: 1; }
  .cp-grid-2, .cp-grid-3 { grid-template-columns: 1fr; }
  .cp-gallery { grid-template-columns: 1fr; }
  .cp-gallery img { height: 220px; }
  .cp-split__media img { min-height: 300px; }
  .cp-map iframe { min-height: 320px; }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .cp-header__inner { display: flex; justify-content: space-between; align-items: center; padding: 0.7rem 1rem; }
  .cp-brand img, .cp-brand .cp-logo-mark { width: 38px; height: 38px; }
  .cp-brand__name { font-size: 0.78rem; letter-spacing: 0.02em; }
  .cp-brand__en { font-size: 0.52rem; letter-spacing: 0.2em; }
  .cp-hero { padding: 3rem 0; }
  .cp-hero__inner { grid-template-columns: 1fr; gap: 2rem; }
  .cp-hero__vertical { display: none; }
  .cp-hero__title { font-size: clamp(2rem, 9vw, 2.6rem); }
  .cp-hero__media img { height: 60vh; }
  .cp-section { padding: 4rem 1.25rem; }
  .cp-section .cp-container { padding: 0; }
  .cp-grid-4 { grid-template-columns: 1fr; }
  .cp-stats { grid-template-columns: 1fr; }
  .cp-table th { width: 6.5em; white-space: normal; }
  .cp-map iframe { min-height: 280px; height: 280px; }
  .cp-cta__actions { flex-direction: column; align-items: stretch; }
  .cp-form__submit { justify-self: stretch; }
  .cp-signature { flex-direction: column; gap: 0.2rem; }
}

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

/* gallery 3 枚目（育成ライト）: 素材自体が暗く SP の縮小表示で判別しづらいため露出を補正 */
.cp-gallery .cp-frame:nth-child(3) img { filter: sepia(0.45) saturate(0.7) contrast(1.02) brightness(1.35); }
.cp-gallery .cp-frame.is-in:nth-child(3) img { filter: sepia(0.15) saturate(0.95) contrast(1.02) brightness(1.35); }

/* sticky ヘッダー高さぶんのアンカー余白（ページ内ジャンプ時に見出しがヘッダーに隠れないように） */
#main, .cp-section, .cp-page-hero { scroll-margin-top: 5.25rem; }

/* ai-hp enforced subpage hero backgrounds */
.aihp-subpage-hero--with-image {
  position: relative;
  background-image:
    linear-gradient(135deg, rgba(42, 42, 42, 0.9), rgba(42, 42, 42, 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;
}