/* =========================================================
   株式会社オフト — gold-luxe × yellow-vivid
   ========================================================= */

:root {
  --cp-primary: #CA8A04;
  --cp-accent: #FACC15;
  --cp-text: #422006;
  --cp-muted: #8C7A4D;
  --cp-muted-text: #6F5E33;
  --cp-gold-deep: #8A5A00;
  --cp-gold-light: #FDE68A;
  --cp-bg: #FEFCE8;
  --cp-cream-2: #F5EFD8;
  --cp-black: #15100A;
  --cp-black-2: #221A0E;
  --cp-on-dark: #F7F0DC;
  --cp-on-dark-muted: #CBBD98;
  --cp-white: #FFFFFF;
  --cp-line: #E2E8F0;
  --cp-line-gold: rgba(202, 138, 4, 0.35);

  --gold-grad: linear-gradient(135deg, #FDE68A 0%, #E9B824 45%, #CA8A04 100%);
  --gold-line: linear-gradient(90deg, rgba(202,138,4,0) 0%, #CA8A04 20%, #FDE68A 50%, #CA8A04 80%, rgba(202,138,4,0) 100%);

  --font-body: '小塚ゴシック Pro', 'Kozuka Gothic Pro', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, system-ui, sans-serif;
  --font-display: '小塚ゴシック Pro', 'Kozuka Gothic Pro', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, system-ui, sans-serif;
  --font-jp: '小塚ゴシック Pro', 'Kozuka Gothic Pro', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 4px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-deep: 0 16px 48px rgba(0, 0, 0, 0.25);
  --container: 1200px;
  --gutter: clamp(1rem, 3vw, 3rem);
  --section-pad: clamp(4rem, 8vw, 8rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  font-feature-settings: 'palt', 'liga';
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--cp-gold-deep); text-decoration: none; }
a:hover { color: var(--cp-primary); }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.06em;
  margin: 0 0 1rem;
  color: var(--cp-text);
}
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 600; font-family: var(--font-jp); }
p { margin: 0 0 1.25rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd, dt, figure { margin: 0; }
address { font-style: normal; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--cp-accent); outline-offset: 3px; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.sp-only { display: none; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 1000;
  background: var(--cp-black); color: var(--cp-accent);
  padding: 0.6rem 1rem; border-radius: var(--radius);
  transition: top 200ms;
}
.skip-link:focus { top: 1rem; }

/* ---------- Motion base ---------- */
.fade-in { opacity: 1; transform: none; transition: transform 900ms var(--ease); }
html.js-enabled .fade-in:not(.is-in) { transform: translateY(8px); }
/* 写真はアニメーション対象から外す: fade-in の状態にかかわらず常に不透明で描画する */
.fade-in img, .brand-card__media img, .message__photo img, .history__photo img, .two-col figure img, .brand-feature figure img {
  opacity: 1 !important; visibility: visible !important;
}

.gold-rule {
  width: 120px; height: 2px; margin: 1.25rem 0 1.75rem;
  overflow: visible;
}
.gold-rule path {
  stroke: var(--cp-primary);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 120;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1200ms var(--ease);
}
html.js-enabled .gold-rule:not(.is-in) path { stroke-dashoffset: 120; }
.gold-rule--center { margin-inline: auto; }
.sec-head--on-dark .gold-rule path { stroke: var(--cp-accent); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--cp-gold-deep);
  margin: 0 0 1rem;
}
.eyebrow::before {
  content: ''; width: 32px; height: 1px;
  background: var(--gold-line);
  flex: none;
}
.eyebrow--gold { color: var(--cp-accent); }
.sec-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-head--center { text-align: center; margin-inline: auto; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head--center .eyebrow::after { content: ''; width: 32px; height: 1px; background: var(--gold-line); }
.sec-head--on-dark h2 { color: var(--cp-on-dark); }
.sec-head--on-dark h2 em, .sec-head--on-dark .gold { color: var(--cp-accent); font-style: normal; }
.sec-head__lead { font-size: 1.05rem; color: inherit; }
.sec-head--on-dark .sec-head__lead { color: var(--cp-on-dark-muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-jp);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.4;
  white-space: nowrap;
  transition: transform 600ms var(--ease), box-shadow 600ms var(--ease), background-position 800ms var(--ease), color 400ms;
  position: relative;
}
.btn--primary {
  background: var(--gold-grad);
  background-size: 200% 200%;
  background-position: 0% 0%;
  color: #2A1B04;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.45), 0 8px 24px rgba(202, 138, 4, 0.25);
}
.btn--primary:hover {
  background-position: 100% 100%;
  color: #1B1103;
  box-shadow: inset 0 0 18px rgba(255, 244, 200, 0.55), 0 10px 28px rgba(202, 138, 4, 0.35);
  transform: translateY(-1px);
}
.btn--outline {
  color: var(--cp-gold-deep);
  background: transparent;
  border: 1px solid var(--cp-primary);
  box-shadow: inset 0 0 0 1px rgba(253, 230, 138, 0.35);
}
.btn--outline:hover { color: var(--cp-text); background: rgba(250, 204, 21, 0.14); box-shadow: inset 0 0 0 1px rgba(253, 230, 138, 0.7); }
.btn--on-dark { color: var(--cp-accent); border-color: rgba(250, 204, 21, 0.7); }
.btn--on-dark:hover { color: var(--cp-gold-light); background: rgba(250, 204, 21, 0.12); }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.cp-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(254, 252, 232, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cp-line-gold);
}
.cp-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 92px;
}
.brand { display: inline-flex; align-items: center; gap: 0.9rem; color: var(--cp-text); }
.brand img { flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name {
  font-family: var(--font-jp); font-weight: 600;
  font-size: 1.15rem; letter-spacing: 0.14em; color: var(--cp-text);
}
.brand__sub {
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.32em;
  color: var(--cp-gold-deep); margin-top: 0.3rem;
}
.cp-nav ul { display: flex; justify-content: flex-end; gap: clamp(1.2rem, 3vw, 2.8rem); }
.cp-nav a {
  font-family: var(--font-display); font-size: 0.92rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--cp-text);
  padding: 0.4rem 0; position: relative;
}
.cp-nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--gold-line); transform: scaleX(0); transition: transform 600ms var(--ease);
}
.cp-nav a:hover::after, .cp-nav a[aria-current="page"]::after { transform: scaleX(1); }
.cp-nav a[aria-current="page"] { color: var(--cp-gold-deep); }
.cp-header__cta { font-size: 0.82rem; padding: 0.7rem 1.2rem; }

.burger {
  display: none; width: 44px; height: 44px; padding: 10px;
  background: transparent; border: 1px solid var(--cp-line-gold); border-radius: var(--radius);
  flex-direction: column; justify-content: center; gap: 5px;
}
.burger__bar { display: block; height: 1.5px; background: var(--cp-text); border-radius: 2px; transition: transform 400ms var(--ease), opacity 300ms; }
.burger[aria-expanded="true"] .burger__bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__bar:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Drawer (body 直下・backdrop と兄弟) ---------- */
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(21, 16, 10, 0.6);
  opacity: 0; transition: opacity 400ms;
}
.drawer-backdrop:not([hidden]) { opacity: 1; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 100;
  width: min(86vw, 380px);
  background: var(--cp-black);
  color: var(--cp-on-dark);
  border-left: 1px solid rgba(250, 204, 21, 0.35);
  box-shadow: var(--shadow-deep);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 600ms var(--ease), visibility 0s linear 600ms;
  display: flex; flex-direction: column;
  padding: 1.25rem 1.5rem 2rem;
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); visibility: visible; transition: transform 600ms var(--ease), visibility 0s; }
.drawer__head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 1rem; border-bottom: 1px solid rgba(250, 204, 21, 0.25); }
.drawer__brand { font-family: var(--font-jp); letter-spacing: 0.14em; font-weight: 600; color: var(--cp-accent); }
.drawer__close {
  width: 44px; height: 44px; display: grid; place-items: center;
  background: transparent; color: var(--cp-accent);
  border: 1px solid rgba(250, 204, 21, 0.5); border-radius: 50%;
}
.drawer__nav ul { padding: 1rem 0; }
.drawer__nav a {
  display: flex; align-items: baseline; gap: 0.9rem;
  padding: 0.95rem 0.25rem; color: var(--cp-on-dark);
  border-bottom: 1px solid rgba(250, 204, 21, 0.14);
}
.drawer__en { font-family: var(--font-display); font-size: 1.35rem; letter-spacing: 0.2em; color: var(--cp-accent); }
.drawer__ja { font-family: var(--font-jp); font-size: 0.82rem; letter-spacing: 0.12em; color: var(--cp-on-dark-muted); }
.drawer__foot { margin-top: auto; display: grid; gap: 1rem; padding-top: 1.5rem; }
.drawer__tel { font-family: var(--font-display); font-size: 1.4rem; letter-spacing: 0.1em; color: var(--cp-accent); text-align: center; }

/* ---------- Sections ---------- */
.section { position: relative; padding-block: var(--section-pad); isolation: isolate; }
.section--dark { background: var(--cp-black); color: var(--cp-on-dark); }
.section--dark h2, .section--dark h3 { color: var(--cp-on-dark); }
.section--dark a:not(.btn) { color: var(--cp-accent); }
.section--cream2 { background: var(--cp-cream-2); }
.section__bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.32; z-index: -1;
  filter: saturate(0.85);
}
.section--dark .section__bg { opacity: 0.38; }
.section--dark::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(21,16,10,0.55) 0%, rgba(21,16,10,0.25) 50%, rgba(21,16,10,0.7) 100%);
}
.section__bg--soft { opacity: 0.18; }
.section--cream2::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(245,239,216,0.82), rgba(245,239,216,0.92));
}
.section__cta { text-align: center; margin-top: clamp(2rem, 4vw, 3.5rem); }

/* ---------- Cards ---------- */
/* 金の gradient 枝: 2 層 background (padding-box の塗り + border-box の金) で描く。
   ::before + z-index:-1 方式は .fade-in の transform が stacking context を作ると
   カード全面が金になり本文が読めなくなるため使わない。 */
.card {
  position: relative;
  isolation: isolate;
  --card-fill: var(--cp-white);
  background:
    linear-gradient(var(--card-fill), var(--card-fill)) padding-box,
    linear-gradient(135deg, #FDE68A, #CA8A04 45%, #8A5A00 100%) border-box;
  background-size: auto, 200% 200%;
  background-position: 0 0, 0% 0%;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform 700ms var(--ease), box-shadow 700ms var(--ease), background-position 900ms var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-deep); background-position: 0 0, 100% 100%; }
.card--dark { --card-fill: var(--cp-black-2); color: var(--cp-on-dark); box-shadow: 0 8px 32px rgba(0,0,0,0.35), inset 0 1px 0 rgba(253,230,138,0.12); }
.card--dark h3 { color: var(--cp-on-dark); }
.card--dark p { color: var(--cp-on-dark-muted); margin: 0; }
.card__icon { display: inline-flex; color: var(--cp-accent); margin-bottom: 1.25rem; }
.card__no { position: absolute; top: 1.5rem; right: 1.75rem; font-family: var(--font-display); font-size: 2rem; color: rgba(250, 204, 21, 0.28); letter-spacing: 0.05em; }
.card:not(.card--dark) .card__icon { color: var(--cp-primary); }
.card:not(.card--dark) .card__no { color: rgba(202,138,4,0.28); }
.card:not(.card--dark) p { color: var(--cp-text); margin: 0; }

/* ---------- HERO ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: min(88vh, 900px);
  /* 本文と下部タグ帯を縦に積む (row だと帯が本文の右隣で細く折り返す) */
  display: flex; flex-direction: column; justify-content: flex-end; align-items: stretch;
  background: var(--cp-black); color: var(--cp-on-dark);
}
.hero__img, .hero picture, .hero picture img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; z-index: -3;
}
.hero picture { display: block; }
.hero__img { animation: kenburns 24s ease-out both; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.06); } }
.hero__overlay {
  position: absolute; inset: 0; z-index: -2;
  background:
    linear-gradient(90deg, rgba(21,16,10,0.86) 0%, rgba(21,16,10,0.62) 45%, rgba(21,16,10,0.28) 100%),
    linear-gradient(0deg, rgba(21,16,10,0.85) 0%, rgba(21,16,10,0) 45%);
}
.hero__shimmer {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(105deg, transparent 40%, rgba(253, 230, 138, 0.07) 50%, transparent 60%);
  background-size: 300% 100%;
  animation: shimmer 9s ease-in-out infinite;
}
@keyframes shimmer { 0% { background-position: 120% 0; } 100% { background-position: -120% 0; } }
.hero__content { position: relative; z-index: 1; width: 100%; padding-top: clamp(6rem, 12vw, 10rem); padding-bottom: clamp(4rem, 8vw, 7rem); }
.hero__title { margin: 0 0 1.75rem; display: flex; flex-direction: column; gap: 0.35em; }
.hero__title-en {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(2.8rem, 5.5vw, 4.6rem); letter-spacing: 0.08em; line-height: 1.05;
  color: var(--cp-accent);
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.hero__title-ja {
  font-family: var(--font-jp); font-weight: 500;
  font-size: clamp(1.9rem, 3.6vw, 3rem); letter-spacing: 0.08em; line-height: 1.3;
  color: var(--cp-on-dark);
}
.hero__lead { max-width: 640px; font-size: 1.05rem; color: var(--cp-on-dark); margin-bottom: 2rem; text-shadow: 0 1px 12px rgba(0,0,0,0.4); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__band {
  position: relative; z-index: 1; width: 100%;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 1.4rem;
  padding: 0.9rem var(--gutter);
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.32em;
  color: var(--cp-accent);
  border-top: 1px solid rgba(250, 204, 21, 0.35);
  background: rgba(21, 16, 10, 0.55);
  backdrop-filter: blur(4px);
}
.hero__band span:nth-child(even) { color: rgba(250, 204, 21, 0.6); }

/* ---------- NO.01-03 index trio ---------- */
.index-trio { position: relative; background: var(--cp-cream-2); }
.index-trio__band {
  position: absolute; top: 0; bottom: 0; width: clamp(24px, 4vw, 72px);
  background: linear-gradient(180deg, #FDE68A, #F1C232 50%, #FDE68A);
  opacity: 0.85;
}
.index-trio__band--l { left: 0; } .index-trio__band--r { right: 0; }
.index-trio__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  margin-inline: clamp(24px, 4vw, 72px);
}
.index-cell {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: clamp(3rem, 6vw, 5.5rem) clamp(1.25rem, 3vw, 3rem);
  color: var(--cp-text);
  border-right: 1px solid rgba(202, 138, 4, 0.28);
  transition: background 600ms var(--ease);
}
.index-cell:last-child { border-right: 0; }
.index-cell:hover { background: rgba(253, 230, 138, 0.25); }
.index-cell__no { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.35em; color: var(--cp-muted-text); }
.index-cell__star { color: var(--cp-primary); margin: 1.5rem 0; transition: transform 800ms var(--ease); }
.index-cell:hover .index-cell__star { transform: rotate(90deg) scale(1.1); }
.index-cell__title { font-family: var(--font-display); font-size: clamp(1.8rem, 2.6vw, 2.4rem); letter-spacing: 0.3em; text-transform: uppercase; color: var(--cp-text); }
.index-cell__sub { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.3em; color: var(--cp-gold-deep); margin: 0.9rem 0 1.4rem; }
.index-cell__text { font-size: 0.92rem; line-height: 1.9; color: var(--cp-text); max-width: 320px; }

/* ---------- Philosophy pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.pillars .card h3 { margin-bottom: 0.75rem; padding-right: 3rem; word-break: keep-all; overflow-wrap: anywhere; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat {
  background: rgba(255, 255, 255, 0.72);
  border-top: 2px solid; border-image: var(--gold-line) 1;
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}
.stat dt { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; gap: 0.35rem; margin-bottom: 0.75rem; }
.stat__num { font-family: var(--font-display); font-size: clamp(3rem, 6vw, 4.6rem); line-height: 1; color: var(--cp-text); letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }
.stat__yen { font-size: 0.5em; vertical-align: 0.5em; color: var(--cp-gold-deep); margin-right: 0.1em; }
.stat__unit { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--cp-gold-deep); }
.stat dd { font-size: 0.9rem; line-height: 1.85; color: var(--cp-text); }

/* ---------- Brands ---------- */
.brand-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.brand-card {
  position: relative; isolation: isolate; border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--cp-white), var(--cp-white)) padding-box,
    linear-gradient(135deg, #FDE68A, #CA8A04 45%, #8A5A00 100%) border-box;
  background-size: auto, 200% 200%;
  background-position: 0 0, 0% 0%;
  transition: transform 700ms var(--ease), box-shadow 700ms var(--ease), background-position 900ms var(--ease);
}
.brand-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-deep); background-position: 0 0, 100% 100%; }
.brand-card__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--cp-black-2); }
.brand-card__media img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.82) saturate(0.9); transition: filter 1000ms var(--ease), transform 1200ms var(--ease); }
.brand-card:hover .brand-card__media img { filter: brightness(1) saturate(1); transform: scale(1.04); }
.brand-card__body { padding: 1.75rem 1.75rem 2rem; }
.brand-card__no { display: block; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.3em; color: var(--cp-gold-deep); margin-bottom: 0.6rem; }
.brand-card h3 { margin-bottom: 0.6rem; }
.brand-card p { margin: 0; font-size: 0.95rem; }

/* ---------- Message ---------- */
.message__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.message__photo { position: relative; }
.message__photo img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  border: 1px solid rgba(250, 204, 21, 0.5); box-shadow: var(--shadow-deep);
  filter: saturate(0.9);
}
.message__photo::after {
  content: ''; position: absolute; inset: 14px -14px -14px 14px; z-index: -1;
  border: 1px solid rgba(250, 204, 21, 0.35);
}
.message__photo figcaption { display: flex; align-items: baseline; gap: 1rem; margin-top: 1.25rem; }
.message__role { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.3em; color: var(--cp-accent); }
.message__name { font-family: var(--font-jp); font-size: 1.35rem; letter-spacing: 0.2em; color: var(--cp-on-dark); }
.message__body p { color: var(--cp-on-dark-muted); }
.message__body .btn { margin-top: 0.5rem; }

/* ---------- History timeline ---------- */
.history__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.history__photo { margin-top: 2rem; max-width: 380px; }
.history__photo img { aspect-ratio: 4 / 5; object-fit: cover; border: 1px solid var(--cp-line-gold); box-shadow: var(--shadow); }
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(180deg, #FDE68A, #CA8A04 50%, rgba(202,138,4,0.1));
}
.timeline__item { position: relative; display: grid; grid-template-columns: 8rem 1fr; gap: 1.5rem; padding-bottom: 2.25rem; }
.timeline__item::before {
  content: ''; position: absolute; left: calc(-2.5rem + 3px); top: 0.75rem;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--gold-grad); box-shadow: 0 0 0 4px var(--cp-bg), 0 0 0 5px var(--cp-primary);
}
.timeline__year { font-family: var(--font-display); font-size: 1.9rem; line-height: 1.1; color: var(--cp-gold-deep); display: flex; flex-direction: column; }
.timeline__year small { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em; color: var(--cp-muted-text); margin-top: 0.3rem; }
.timeline__body h3 { font-size: 1.15rem; margin-bottom: 0.35rem; }
.timeline__body p { margin: 0; font-size: 0.95rem; color: var(--cp-text); }

/* ---------- News ---------- */
.news-section__grid { display: grid; grid-template-columns: 4fr 8fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.news-section__grid .sec-head { margin-bottom: 0; }
.news-list { display: grid; gap: 0.75rem; }
.news-item {
  background: var(--cp-white); border: 1px solid var(--cp-line-gold); border-radius: var(--radius);
  box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}
.news-item summary {
  display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 1rem;
  padding: 1.1rem 1.4rem; cursor: pointer; list-style: none;
}
.news-item summary::-webkit-details-marker { display: none; }
.news-item__date { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.15em; color: var(--cp-muted-text); }
.news-item__cat { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--cp-gold-deep); border: 1px solid var(--cp-line-gold); padding: 0.15rem 0.6rem; border-radius: 999px; }
.news-item__title { font-family: var(--font-jp); font-weight: 500; font-size: 1rem; color: var(--cp-text); }
.news-item__chev { color: var(--cp-primary); transition: transform 500ms var(--ease); }
.news-item[open] .news-item__chev { transform: rotate(180deg); }
.news-item__body { padding: 0 1.4rem 1.4rem; border-top: 1px dashed var(--cp-line-gold); }
.news-item__body p { margin: 1rem 0 0; font-size: 0.95rem; }

/* ---------- CTA band / info ---------- */
.cta-band__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.section--dark.cta-band h2 { color: var(--cp-on-dark); }
.section--dark.cta-band p { color: var(--cp-on-dark-muted); }
.info-list { display: grid; gap: 1.25rem; }
.info-list > div { display: grid; gap: 0.35rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--cp-line-gold); }
.info-list dt { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.25em; color: var(--cp-gold-deep); }
.info-list dd { font-size: 0.98rem; }
.info-list--on-dark dt { color: var(--cp-accent); }
.info-list--on-dark > div { border-color: rgba(250, 204, 21, 0.25); }
.info-list--on-dark dd { color: var(--cp-on-dark); }

/* ---------- Subpage hero (generator が背景配置) ---------- */
.cp-page-hero {
  position: relative; isolation: isolate; overflow: hidden;
  background-color: var(--cp-black);
  background-size: cover; background-position: center;
  color: var(--cp-on-dark);
  padding: clamp(6rem, 12vw, 9rem) 0 clamp(3.5rem, 7vw, 5.5rem);
}
.cp-page-hero--about { background-image: url('/assets/images/hero-about.jpg'); }
.cp-page-hero--services { background-image: url('/assets/images/hero-services.jpg'); }
.cp-page-hero--news { background-image: url('/assets/images/hero-news.jpg'); }
.cp-page-hero--contact { background-image: url('/assets/images/hero-contact.jpg'); }
.cp-page-hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(21,16,10,0.88) 0%, rgba(21,16,10,0.6) 55%, rgba(21,16,10,0.35) 100%);
}
.cp-page-hero__en { font-family: var(--font-display); font-size: clamp(2.6rem, 5vw, 4.2rem); letter-spacing: 0.1em; color: var(--cp-accent); line-height: 1.05; margin: 0 0 0.6rem; }
.cp-page-hero__ja { font-family: var(--font-jp); font-size: clamp(1.2rem, 2vw, 1.5rem); letter-spacing: 0.2em; color: var(--cp-on-dark); margin: 0 0 1.25rem; }
.cp-page-hero__lead { max-width: 640px; color: var(--cp-on-dark-muted); margin: 0; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--cp-on-dark-muted); margin-bottom: 2rem; }
.breadcrumb a { color: var(--cp-accent); }
.breadcrumb li + li::before { content: '/'; margin-right: 0.6rem; color: rgba(250,204,21,0.5); }

/* ---------- Generic two column ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.two-col--rev > :first-child { order: 2; }
.two-col figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--cp-line-gold); box-shadow: var(--shadow); }
.two-col .sec-head { margin-bottom: 1.5rem; }
.brand-plate { text-align: center; padding: 3rem 2rem; }
.brand-plate img { margin: 0 auto 1.5rem; }
.brand-plate h2 { font-family: var(--font-jp); letter-spacing: 0.25em; font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.brand-plate p { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.3em; color: var(--cp-gold-deep); }

/* ---------- Company table ---------- */
.company-table { width: 100%; border-collapse: collapse; background: var(--cp-white); box-shadow: var(--shadow); }
.company-table th, .company-table td { padding: 1.1rem 1.4rem; border-bottom: 1px solid var(--cp-line-gold); text-align: left; vertical-align: top; font-size: 0.98rem; }
.company-table th { width: 200px; font-family: var(--font-mono); font-weight: 500; font-size: 0.74rem; letter-spacing: 0.25em; color: var(--cp-gold-deep); background: rgba(253, 230, 138, 0.18); }
.company-table ul li { padding-left: 1rem; position: relative; }
.company-table ul li::before { content: '✦'; position: absolute; left: 0; color: var(--cp-primary); font-size: 0.6rem; top: 0.45em; }

/* ---------- Services page brand feature ---------- */
.brand-feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-block: clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--cp-line-gold); }
.brand-feature:last-of-type { border-bottom: 0; }
.brand-feature:nth-child(even) > figure { order: 2; }
.brand-feature figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--cp-line-gold); box-shadow: var(--shadow); filter: brightness(0.9); }
.brand-feature__no { display: block; font-family: var(--font-display); font-size: 2.6rem; color: rgba(202,138,4,0.35); line-height: 1; margin-bottom: 0.5rem; }
.brand-feature h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 0.25rem; }
.brand-feature__genre { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.3em; color: var(--cp-gold-deep); margin-bottom: 1rem; text-transform: uppercase; }
.brand-feature__meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.15em; color: var(--cp-muted-text); margin-top: 1rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.form { display: grid; gap: 1.25rem; background: var(--cp-white); padding: clamp(1.5rem, 4vw, 2.75rem); border: 1px solid var(--cp-line-gold); box-shadow: var(--shadow); border-radius: var(--radius); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field { display: grid; gap: 0.4rem; }
.field label { font-family: var(--font-jp); font-size: 0.85rem; letter-spacing: 0.1em; font-weight: 600; }
.field .req { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em; color: #B42318; margin-left: 0.5rem; vertical-align: middle; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--cp-text);
  padding: 0.8rem 0.95rem; background: var(--cp-bg);
  border: 1px solid var(--cp-line-gold); border-radius: var(--radius);
  transition: border-color 300ms, box-shadow 300ms;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cp-primary); box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.3); }
.field textarea { min-height: 180px; resize: vertical; }
.field__hint { font-size: 0.8rem; color: var(--cp-muted-text); margin: 0; }
.check { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.92rem; }
.check input { width: 18px; height: 18px; margin-top: 0.35rem; accent-color: var(--cp-primary); }
#contact-otp-block[hidden] { display: none !important; }
#contact-otp-block { border: 1px solid var(--cp-primary); background: rgba(253, 230, 138, 0.2); padding: 1.25rem; border-radius: var(--radius); }
#contact-otp-block .field__hint { font-size: 0.82rem; }
#contact-status { font-family: var(--font-jp); font-size: 0.95rem; margin: 0; padding: 0.9rem 1rem; border-radius: var(--radius); background: rgba(253, 230, 138, 0.18); }
.contact-ways { display: grid; gap: 1.25rem; }
.contact-way { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; background: var(--cp-white); padding: 1.5rem; border: 1px solid var(--cp-line-gold); box-shadow: var(--shadow); border-radius: var(--radius); }
.contact-way__icon { color: var(--cp-primary); }
.contact-way h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.contact-way p { margin: 0; font-size: 0.95rem; }
.contact-way__big { font-family: var(--font-display); font-size: 1.8rem; letter-spacing: 0.08em; color: var(--cp-gold-deep); }
.cp-contact-email a { word-break: break-all; font-family: var(--font-mono); letter-spacing: 0.04em; }
.cp-map { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--cp-line-gold); box-shadow: var(--shadow); background: var(--cp-cream-2); min-height: 420px; }
.cp-map iframe { position: relative; z-index: 1; display: block; width: 100%; height: 420px; border: 0; }
.cp-map__link {
  position: absolute; right: 0.75rem; bottom: 0.75rem; z-index: 2;
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 0.9rem; border-radius: var(--radius);
  background: rgba(21, 16, 10, 0.82); color: var(--cp-accent);
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em;
  border: 1px solid rgba(250, 204, 21, 0.5);
}
.cp-map__link:hover { color: var(--cp-gold-light); background: rgba(21, 16, 10, 0.95); }
.faq-list { display: grid; gap: 0.75rem; max-width: 860px; }

/* ---------- Footer ---------- */
.cp-footer { position: relative; isolation: isolate; background: var(--cp-black); color: var(--cp-on-dark); overflow: hidden; }
.cp-footer__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.22; z-index: 0; }
.cp-footer__particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.cp-footer::before { content: ''; position: absolute; inset: 0; z-index: 0; background: linear-gradient(180deg, rgba(21,16,10,0.35), rgba(21,16,10,0.85)); }
.cp-footer__inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.2fr 0.8fr 1.2fr; gap: 3rem;
  padding-block: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid rgba(250, 204, 21, 0.35);
}
.cp-footer__brand img { margin-bottom: 1rem; }
.cp-footer__name { font-family: var(--font-jp); font-size: 1.3rem; letter-spacing: 0.2em; font-weight: 600; margin: 0 0 0.4rem; color: var(--cp-on-dark); }
.cp-footer__tagline { font-family: var(--font-jp); font-size: 0.85rem; letter-spacing: 0.15em; color: var(--cp-accent); margin: 0; }
.cp-footer__nav ul { display: grid; gap: 0.6rem; }
.cp-footer__nav a { font-family: var(--font-display); letter-spacing: 0.3em; text-transform: uppercase; font-size: 0.9rem; color: var(--cp-on-dark); }
.cp-footer__nav a:hover { color: var(--cp-accent); }
.cp-footer__address { font-size: 0.92rem; color: var(--cp-on-dark-muted); }
.cp-footer__address p { margin: 0 0 0.6rem; }
.cp-footer__address a { color: var(--cp-accent); }
.cp-footer__bottom { position: relative; z-index: 2; border-top: 1px solid rgba(250, 204, 21, 0.2); padding-block: 1.25rem; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.2em; color: var(--cp-on-dark-muted); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 60;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--cp-black); color: var(--cp-accent);
  border: 1px solid transparent;
  box-shadow: var(--shadow-deep);
  display: grid; place-items: center;
  opacity: 1; transform: none; transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.back-to-top::before {
  content: ''; position: absolute; inset: -2px; border-radius: 50%; z-index: -1;
  background: var(--gold-grad);
}
.back-to-top::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: var(--cp-black); z-index: -1; }
.back-to-top[hidden] { display: grid; opacity: 0; pointer-events: none; transform: translateY(12px); }
.back-to-top:hover { color: var(--cp-gold-light); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cp-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .cp-header__inner { grid-template-columns: auto 1fr auto; }
  .cp-nav { display: none; }
  .burger { display: flex; }
  .pillars { grid-template-columns: 1fr; }
  .message__grid, .history__grid, .news-section__grid, .cta-band__grid, .two-col, .contact-grid, .brand-feature { grid-template-columns: 1fr; }
  .two-col--rev > :first-child, .brand-feature:nth-child(even) > figure { order: 0; }
  .message__photo { max-width: 420px; }
  .history__photo { display: none; }
  .index-cell__title { letter-spacing: 0.2em; }
}

@media (max-width: 768px) {
  .index-trio__grid { grid-template-columns: 1fr; }
  .index-cell { border-right: 0; border-bottom: 1px solid rgba(202, 138, 4, 0.28); }
  .index-cell:last-child { border-bottom: 0; }
  .company-table th { width: 140px; }
  .form__row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .sp-only { display: inline; }
  .section { padding: 4rem 0; }
  .container { padding-inline: 1.25rem; }
  .cp-header__inner { display: flex; justify-content: space-between; align-items: center; min-height: 68px; gap: 0.75rem; }
  .brand img { width: 38px; height: 38px; }
  .brand__name { font-size: 0.78rem; letter-spacing: 0.02em; }
  .brand__sub { font-size: 0.56rem; letter-spacing: 0.2em; }
  .cp-header__cta { display: none; }
  .hero { min-height: 92vh; }
  .hero__title-en { font-size: clamp(2rem, 9vw, 2.6rem); }
  .hero__title-ja { font-size: clamp(1.4rem, 6.4vw, 1.9rem); }
  .hero__lead br { display: none; }
  .hero__band { font-size: 0.58rem; letter-spacing: 0.2em; gap: 0.4rem 0.9rem; }
  .hero__actions .btn { width: 100%; }
  .stats { grid-template-columns: 1fr; }
  .brand-grid { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 1fr; gap: 0.4rem; }
  /* SP: メタ (日付・カテゴリ) を 1 行目、タイトルを 2 行目に縦積み */
  .news-item summary { grid-template-columns: auto 1fr auto; row-gap: 0.4rem; column-gap: 0.75rem; padding: 1rem 1.1rem; }
  .news-item__date { grid-column: 1; grid-row: 1; }
  .news-item__cat { grid-column: 2; grid-row: 1; justify-self: start; }
  .news-item__title { grid-column: 1 / -1; grid-row: 2; font-size: 0.95rem; line-height: 1.6; }
  .news-item__chev { grid-column: 3; grid-row: 1 / 3; align-self: center; }
  /* FAQ (日付なし) は Q ラベルとタイトルを横並びのまま */
  .faq-list .news-item__cat { grid-column: 1; grid-row: 1; }
  .faq-list .news-item__title { grid-column: 2; grid-row: 1; }
  .faq-list .news-item__chev { grid-column: 3; grid-row: 1; }
  .faq-list .news-item summary > span:empty { display: none; }
  .cp-footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .cp-map { min-height: 280px; }
  .cp-map iframe { height: 280px; }
  .card { padding: 1.5rem; }
  .brand-plate { padding: 2rem 1rem; }
}

/* ai-hp enforced subpage hero backgrounds */
.aihp-subpage-hero--with-image {
  position: relative;
  background-image:
    linear-gradient(135deg, rgba(72, 49, 1, 0.9), rgba(72, 49, 1, 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;
}