/* ============================================================
   VARIABLES & RESET
============================================================ */
:root {
  --bg-0:        #050505;
  --bg-1:        #080808;
  --bg-2:        #0d0d0d;
  --bg-card:     #131313;
  --bg-card-h:   #1a1a1a;
  --border:      #232323;
  --border-l:    #2e2e2e;
  --text-1:      #f0f0f0;
  --text-2:      #999999;
  --text-3:      #555555;
  --white:       #ffffff;
  --accent:      #d4b896;       /* champagne gold */
  --accent-soft: rgba(212,184,150,0.12);
  --accent-line: rgba(212,184,150,0.35);
  --gradient-card: linear-gradient(160deg, #161616 0%, #0d0d0d 100%);
  --gradient-card-h: linear-gradient(160deg, #1c1c1c 0%, #131313 100%);
  --gradient-text: linear-gradient(120deg, #ffffff 0%, #c8c8c8 50%, #ffffff 100%);
  --max-w:       1180px;
  --ease:        0.3s ease;
  --ease-soft:   0.45s cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
  font-size: 16px;
}

body {
  background: var(--bg-1);
  color: var(--text-1);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* グレイン/ノイズテクスチャを全体にオーバーレイ。
   黒背景単調を避けるため、SVG turbulence で生成した極細粒のフィルムノイズ。 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240' viewBox='0 0 240 240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.55 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* 微細なドットパターンも追加（ゴールド系で奥行き感） */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
  background-image:
    radial-gradient(rgba(212,184,150,0.04) 1px, transparent 1.5px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 90%);
}

/* 全コンテンツをノイズ層より上に */
header, section, footer { position: relative; z-index: 2; }

img { max-width: 100%; display: block; height: auto; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { font-family: inherit; }

/* Skip link — keyboard navigation accessibility */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  padding: 12px 20px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  z-index: 10000;
  transform: translateY(-100%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ============================================================
   LAYOUT
============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 120px 0;
  position: relative;
}

/* ============================================================
   SECTION LABELS & TITLES
============================================================ */
.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 64px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 日本語の金色テロップは他のタイトルと同じゴシック（Noto Sans JP）で統一 */
.section-title .service-brand {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 900;
  font-style: normal;
  background: linear-gradient(120deg, var(--accent) 0%, #f0d8b0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.04em;
}

/* ============================================================
   BUTTONS
============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 38px;
  background: var(--white);
  color: #000;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--ease-soft), box-shadow var(--ease-soft);
  -webkit-appearance: none;
  border-radius: 0;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.6), transparent 70%);
  transform: translateX(-100%);
  transition: transform .7s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0,0,0,.55);
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-icon {
  position: relative;
  z-index: 1;
  transition: transform var(--ease);
}

.btn-primary:hover .btn-icon {
  transform: translateX(4px);
}

/* ============================================================
   SCROLL REVEAL (JS-controlled)
============================================================ */
.reveal {
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.22,.61,.36,1);
}

html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
}

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

/* ============================================================
   HEADER / NAV
============================================================ */
#header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  background: rgba(5, 5, 5, 0.78);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Inter', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  background: linear-gradient(120deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-2);
  position: relative;
  transition: color var(--ease);
}

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--ease-soft);
}

.nav-links a:not(.nav-cta):hover {
  color: var(--text-1);
}

.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 9px 22px !important;
  border: 1px solid var(--accent-line);
  color: var(--text-1) !important;
  background: var(--accent-soft);
  transition: background var(--ease), border-color var(--ease) !important;
}

.nav-cta:hover {
  background: var(--accent) !important;
  color: #000 !important;
  border-color: var(--accent) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-1);
  transition: transform var(--ease), opacity var(--ease);
  transform-origin: center;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO — animated geometric background
============================================================ */
#hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 32px;
  background: var(--bg-0);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Gradient orbs (mesh) */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  will-change: transform;
  mix-blend-mode: screen;
}

.hero-orb--1 {
  width: 620px;
  height: 620px;
  top: -8%;
  left: -8%;
  background: radial-gradient(circle, rgba(212,184,150,0.55) 0%, rgba(212,184,150,0.15) 35%, transparent 70%);
  animation: orb-float-1 14s ease-in-out infinite;
}

.hero-orb--2 {
  width: 540px;
  height: 540px;
  bottom: -12%;
  right: -8%;
  background: radial-gradient(circle, rgba(120,160,220,0.45) 0%, rgba(120,160,220,0.12) 35%, transparent 70%);
  animation: orb-float-2 18s ease-in-out infinite;
}

.hero-orb--3 {
  width: 420px;
  height: 420px;
  top: 38%;
  right: 28%;
  background: radial-gradient(circle, rgba(220,180,255,0.35) 0%, rgba(220,180,255,0.08) 40%, transparent 70%);
  animation: orb-float-3 12s ease-in-out infinite;
}

@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(140px, 100px) scale(1.2); }
  66%      { transform: translate(60px, -80px) scale(0.95); }
}
@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(-160px, -70px) scale(1.15); }
  66%      { transform: translate(-50px, 80px) scale(1.05); }
}
@keyframes orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(80px, -120px) scale(0.85); }
  66%      { transform: translate(-100px, 50px) scale(1.1); }
}

/* Subtle grid */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 25%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 25%, transparent 85%);
  animation: grid-pulse 6s ease-in-out infinite;
}

@keyframes grid-pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.02); }
}

/* SVG geometric shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-shape--rotate    { transform-box: fill-box; transform-origin: center; animation: rotate 40s linear infinite; }
.hero-shape--rotate-r  { transform-box: fill-box; transform-origin: center; animation: rotate 50s linear infinite reverse; }
.hero-shape--float     { transform-box: fill-box; transform-origin: center; animation: shape-float 10s ease-in-out infinite; }
.hero-shape--pulse     { animation: shape-pulse 4s ease-in-out infinite; }

@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes shape-float {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(20px, -40px); }
}
@keyframes shape-pulse {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 1; }
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.hero-sub {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 36px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.hero-sub::before, .hero-sub::after {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent-line);
}

.hero-catch {
  font-size: clamp(2.6rem, 7.5vw, 5.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.18;
  margin-bottom: 56px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-catch__accent {
  font-family: 'Noto Sans JP', sans-serif;
  font-style: normal;
  font-weight: 900;
  background: linear-gradient(120deg, var(--accent) 0%, #f0d8b0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 1;
}

.hero-scroll span {
  font-family: 'Inter', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--text-3);
}

.scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2.4s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* ============================================================
   ABOUT
============================================================ */
#about {
  background: var(--bg-2);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.about-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 52px 44px;
  position: relative;
  overflow: hidden;
  transition: transform var(--ease-soft), border-color var(--ease-soft);
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
  opacity: 0;
  transition: opacity var(--ease);
}

.about-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-line);
}

.about-card:hover::before { opacity: 1; }

.about-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.about-tag {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.about-card h3 {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
  line-height: 1.45;
}

.about-card p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.95;
}

/* ============================================================
   SERVICE
============================================================ */
#service {
  background: var(--bg-1);
}

.service-phase {
  margin-bottom: 72px;
}

.phase-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.phase-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  flex-shrink: 0;
  padding: 5px 14px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
}

.phase-label--accent {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.phase-header h3 {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-1);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.service-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--ease-soft), border-color var(--ease-soft), background var(--ease-soft);
  display: flex;
  flex-direction: column;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 100px; height: 100px;
  background: radial-gradient(circle at top right, var(--accent-soft), transparent 70%);
  opacity: 0;
  transition: opacity var(--ease-soft);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
}

.service-card:hover::after { opacity: 1; }

.service-card--span2 {
  grid-column: span 2;
}

.service-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.service-card__num {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.service-card__icon {
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-l);
  transition: all var(--ease);
}

.service-card:hover .service-card__icon {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

.service-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.5;
}

.service-card p {
  color: var(--text-2);
  font-size: 0.84rem;
  line-height: 1.78;
  flex-grow: 1;
}

/* ============================================================
   AIDA FLOW DIAGRAM
============================================================ */
.aida-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin: -32px 0 28px;
}

.aida-step {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  display: grid;
  grid-template-rows: auto 1fr 56px; /* head | jp(中央) | icons(下端) */
  overflow: hidden;
  position: relative;
  transition: all var(--ease-soft);
  min-height: 200px;
}

.aida-step:hover {
  border-color: var(--accent-line);
  transform: translateY(-3px);
}

.aida-step__head {
  padding: 10px 12px;
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: linear-gradient(135deg, #1a1714 0%, #2a221a 100%);
  border-bottom: 1px solid var(--accent-line);
}

/* 各ステップごとにグラデーションを微妙に変えてフローを示す */
.aida-step--awareness .aida-step__head { background: linear-gradient(135deg, #14110e 0%, #2a221a 100%); }
.aida-step--interest  .aida-step__head { background: linear-gradient(135deg, #16120e 0%, #322820 100%); }
.aida-step--education .aida-step__head { background: linear-gradient(135deg, #181410 0%, #3a2e22 100%); }
.aida-step--trigger   .aida-step__head { background: linear-gradient(135deg, #1a1612 0%, #423424 100%); }
.aida-step--action    .aida-step__head { background: linear-gradient(135deg, #1c1813 0%, #4a3a26 100%); color: #f0d8b0; }

.aida-step__jp {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--text-1);
  line-height: 1;
  align-self: center;
  justify-self: center;
  text-align: center;
  padding: 18px 8px;
}

.aida-step__icons {
  display: flex;
  gap: 8px;
  align-items: end;
  justify-content: center;
  padding-bottom: 14px;
  align-self: end;
  justify-self: center;
  width: 100%;
  /* アイコンが無いボックスでも領域は確保され、文字位置が揃う */
}

.aida-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.aida-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.aida-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d63b3b;
  padding: 0 4px;
  flex-shrink: 0;
}

.aida-arrow svg {
  filter: drop-shadow(0 0 4px rgba(214,59,59,0.4));
  animation: arrow-pulse 1.6s ease-in-out infinite;
}

@keyframes arrow-pulse {
  0%, 100% { transform: translateX(0);   opacity: 0.85; }
  50%      { transform: translateX(3px); opacity: 1; }
}

.aida-caption {
  text-align: center;
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-2);
  margin-bottom: 64px;
  letter-spacing: 0.02em;
}

.aida-caption strong {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.15em;
  background: linear-gradient(120deg, var(--accent), #f0d8b0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================================
   SERVICE 2 — ふくのわ section background
============================================================ */
#service-fukunowa-section {
  background: var(--bg-2);
}

/* ----- ふくのわ subsection ----- */
.service-fukunowa {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 64px;
  position: relative;
  overflow: hidden;
}

.service-fukunowa::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 65%);
  filter: blur(60px);
  pointer-events: none;
}

.fukunowa-visual {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* Phone mockup */
.phone-mock {
  width: 280px;
  aspect-ratio: 9 / 19;
  background: #0a0a0a;
  border-radius: 38px;
  padding: 8px;
  border: 2px solid #2a2a2a;
  box-shadow:
    0 30px 80px rgba(0,0,0,0.6),
    0 0 0 1px rgba(212,184,150,0.15),
    inset 0 0 0 1px rgba(255,255,255,0.04);
  position: relative;
}

.phone-mock__notch {
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 88px; height: 24px;
  background: #000;
  border-radius: 14px;
  z-index: 2;
}

.phone-mock__screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background: #fff;
}

.phone-mock__screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.fukunowa-content {
  position: relative;
  z-index: 1;
}

.fukunowa-tagline {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 8px 18px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  margin-bottom: 24px;
}

.fukunowa-title {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  margin: 18px 0 28px;
  background: linear-gradient(120deg, var(--accent) 0%, #f0d8b0 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: 'Noto Sans JP', sans-serif;
  font-style: normal;
}

.fukunowa-stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.fukunowa-stat__label {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--text-2);
}

.fukunowa-stat__value {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--text-1);
}

.fukunowa-stat__value small {
  font-size: 0.95rem;
  font-weight: 400;
  font-family: 'Noto Sans JP', sans-serif;
  font-style: normal;
  color: var(--text-2);
  margin-left: 6px;
}

.fukunowa-lead {
  color: var(--text-2);
  line-height: 1.95;
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.fukunowa-lead strong {
  color: var(--accent);
  font-weight: 600;
}

.fukunowa-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border: 1px solid var(--border-l);
  background: rgba(255,255,255,0.02);
  color: var(--text-1);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all var(--ease);
}

.social-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-2px);
}

.social-btn svg {
  flex-shrink: 0;
}

/* ============================================================
   FLOW — vertical timeline
============================================================ */
#flow {
  background: var(--bg-2);
}

.flow-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.flow-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 1px;
  background: linear-gradient(to bottom, transparent 0%, var(--accent-line) 8%, var(--accent-line) 92%, transparent 100%);
}

.flow-node {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 18px;
}

.flow-node:last-child {
  margin-bottom: 0;
}

.flow-node__circle {
  position: relative;
  z-index: 1;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -25px;
  transition: all var(--ease-soft);
  flex-shrink: 0;
}

.flow-node:hover .flow-node__circle {
  background: var(--accent);
  color: #000;
  transform: scale(1.08);
  box-shadow: 0 0 0 6px var(--accent-soft);
}

.flow-node__card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 22px 28px;
  transition: all var(--ease-soft);
  display: flex;
  align-items: center;
  gap: 20px;
}

.flow-node:hover .flow-node__card {
  border-color: var(--accent-line);
  background: var(--gradient-card-h);
  transform: translateX(6px);
}

.flow-node__step {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--text-3);
  text-transform: uppercase;
  flex-shrink: 0;
  min-width: 60px;
}

.flow-node__card h4 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-1);
  flex-grow: 1;
}

/* ============================================================
   WHY ORCA
============================================================ */
#why-orca {
  background: var(--bg-1);
}

.why-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.why-card-large {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
  transition: all var(--ease-soft);
}

.why-card-large::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--ease);
}

.why-card-large:hover {
  border-color: var(--accent-line);
  transform: translateY(-6px);
}

.why-card-large:hover::before { opacity: 1; }

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.why-num {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(180deg, rgba(212,184,150,0.5), rgba(212,184,150,0.05));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  position: absolute;
  top: 38px;
  right: 44px;
}

.why-card-large h3 {
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.why-card-large p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.9;
}

.why-sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-sub-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 40px 36px;
  transition: all var(--ease-soft);
  position: relative;
}

.why-sub-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--ease-soft);
}

.why-sub-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
}

.why-sub-card:hover::before { width: 100%; }

.why-sub-label {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
  margin-bottom: 18px;
}

.why-sub-card h4 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 14px;
}

.why-sub-card p {
  color: var(--text-2);
  font-size: 0.86rem;
  line-height: 1.85;
}

/* ============================================================
   COMPANY — 2 column with photo
============================================================ */
#company {
  background: var(--bg-2);
}

.company-layout {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 72px;
  align-items: center;
}

.company-photo {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.company-photo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7) 100%);
  z-index: 1;
}

.company-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.05);
  transition: transform 1s ease;
}

.company-photo:hover img {
  transform: scale(1.04);
}

.company-photo__caption {
  position: absolute;
  bottom: 28px;
  left: 28px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.company-photo__role {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.company-photo__name {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-1);
}

.company-table {
  display: flex;
  flex-direction: column;
}

.company-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.company-row:first-child {
  border-top: 1px solid var(--border);
}

.company-row dt {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  padding-top: 4px;
}

.company-row dd {
  font-size: 0.95rem;
  color: var(--text-1);
  line-height: 1.8;
}

/* ============================================================
   FAQ — 2 column (heading left + list right)
============================================================ */
#faq {
  background: var(--bg-1);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 72px;
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: 100px;
}

.faq-heading .section-title {
  margin-bottom: 28px;
}

.faq-lead {
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.9;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
  transition: background var(--ease);
}

.faq-item:has(.faq-question[aria-expanded="true"]) {
  background: rgba(212,184,150,0.03);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 26px 8px;
  background: none;
  border: none;
  color: var(--text-1);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color var(--ease);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
  border-radius: 50%;
  border: 1px solid var(--accent-line);
  transition: background var(--ease);
}

.faq-question:hover .faq-icon {
  background: var(--accent-soft);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--accent);
  transition: transform var(--ease), opacity var(--ease);
}

.faq-icon::before {
  width: 10px;
  height: 1px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 1px;
  height: 10px;
  transform: translate(-50%, -50%);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  padding: 0 8px 26px;
}

.faq-answer p {
  color: var(--text-2);
  font-size: 0.88rem;
  line-height: 1.9;
}

/* ============================================================
   CONTACT — 2 column (heading left + form right)
============================================================ */
#contact {
  background: var(--bg-2);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-heading {
  position: sticky;
  top: 100px;
}

.contact-heading .section-title {
  margin-bottom: 32px;
}

.contact-lead {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 500;
  line-height: 1.7;
  color: var(--text-1);
  margin-bottom: 40px;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.contact-meta__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-meta__label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
}

.contact-meta__item span:not(.contact-meta__label) {
  color: var(--text-2);
  font-size: 0.92rem;
}

.contact-form-wrap {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 48px;
}

.contact-form {
  width: 100%;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-2);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.required {
  color: var(--accent);
  margin-left: 4px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  color: var(--text-1);
  padding: 15px 18px;
  font-size: 0.92rem;
  font-family: inherit;
  line-height: 1.5;
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
  transition: border-color var(--ease), background var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(0,0,0,0.6);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-3);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-error {
  font-size: 0.82rem;
  color: #d95f4b;
  margin-bottom: 18px;
  min-height: 1.2em;
}

.btn-submit {
  width: 100%;
  padding: 18px;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
}

.form-success {
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  padding: 40px;
  text-align: center;
  margin-top: 16px;
}

.form-success p {
  color: var(--text-1);
  font-size: 0.94rem;
  line-height: 2;
}

/* ============================================================
   CONTACT FINISH PAGE
============================================================ */
.page-finish {
  background: var(--bg-0);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-finish #main {
  flex: 1;
  display: flex;
}

.page-finish #finish {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 140px 32px 100px;
}

.finish-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.finish-container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
}

.finish-icon {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 32px;
  box-shadow: 0 0 0 12px rgba(212,184,150,0.05),
              0 0 60px rgba(212,184,150,0.18);
  animation: finishPop 0.8s cubic-bezier(.22,.61,.36,1) both;
}

/* 完了ページの section-label は中央寄せ＆改行のため block 化 */
#finish .section-label {
  display: flex;
  justify-content: center;
}

@keyframes finishPop {
  0%   { opacity: 0; transform: scale(0.6); }
  60%  { opacity: 1; transform: scale(1.08); }
  100% { opacity: 1; transform: scale(1); }
}

.finish-title {
  text-align: center;
  margin-bottom: 32px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.finish-lead {
  color: var(--text-2);
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 2;
  margin-bottom: 40px;
}

.finish-lead strong {
  color: var(--accent);
  font-weight: 700;
}

.finish-note {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  padding: 24px 28px;
  margin-bottom: 48px;
  text-align: left;
}

.finish-note p {
  color: var(--text-3);
  font-size: 0.82rem;
  line-height: 1.95;
}

.finish-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-back .btn-icon {
  transition: transform var(--ease);
}
.btn-back:hover .btn-icon {
  transform: translateX(-4px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border-l);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  transition: all var(--ease-soft);
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-3px);
}

/* シンプル化したナビゲーション（CTAボタン非表示） */
.nav-links--simple a {
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .page-finish #finish {
    padding: 120px 20px 80px;
  }
  .finish-icon { width: 80px; height: 80px; }
  .finish-icon svg { width: 36px; height: 36px; }
  .finish-actions { flex-direction: column; }
  .finish-actions a { width: 100%; }

  .nav-links--simple {
    display: none;  /* モバイルでは非表示（必要なら別途ハンバーガー対応） */
  }
}

/* ============================================================
   FOOTER
============================================================ */
#footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border);
  padding: 44px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: 'Inter', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  background: linear-gradient(120deg, var(--text-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-copy {
  font-size: 0.74rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
}

/* ============================================================
   RESPONSIVE — tablet (≤ 980px)
============================================================ */
@media (max-width: 980px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card--span2 {
    grid-column: span 2;
  }

  .why-sub-grid {
    grid-template-columns: 1fr 1fr;
  }
  .why-sub-grid > :last-child:nth-child(odd) {
    grid-column: span 2;
  }

  /* AIDA flow → vertical on tablet/mobile */
  .aida-flow {
    grid-template-columns: 1fr;
    gap: 6px;
    margin: 0 0 24px;
  }
  .aida-arrow {
    transform: rotate(90deg);
    padding: 4px 0;
  }
  .aida-arrow svg {
    animation: arrow-pulse-v 1.6s ease-in-out infinite;
  }
  @keyframes arrow-pulse-v {
    0%, 100% { transform: translateX(0);   opacity: 0.85; }
    50%      { transform: translateX(3px); opacity: 1; }
  }

  .service-fukunowa {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 48px 36px;
  }

  .company-layout,
  .faq-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .faq-heading,
  .contact-heading {
    position: static;
  }

  .company-photo {
    max-width: 460px;
    aspect-ratio: 4 / 4.5;
    margin: 0 auto;
  }
}

/* ============================================================
   RESPONSIVE — mobile (≤ 768px)
============================================================ */
@media (max-width: 768px) {
  section {
    padding: 88px 0;
  }

  .container {
    padding: 0 24px;
  }

  .section-title {
    margin-bottom: 44px;
  }

  /* Nav */
  .hamburger {
    display: flex;
  }

  .nav-container {
    height: 64px;
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: 64px 0 0 0;
    background: rgba(5, 5, 5, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 899;
  }

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

  .nav-links a {
    font-size: 1rem;
    letter-spacing: 0.14em;
  }

  .nav-cta {
    padding: 12px 32px !important;
  }

  /* Hero */
  .hero-catch {
    font-size: clamp(2rem, 9vw, 3rem);
  }
  .hero-orb { filter: blur(70px); }
  .hero-orb--1 { width: 380px; height: 380px; }
  .hero-orb--2 { width: 320px; height: 320px; }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-card {
    padding: 36px 28px;
  }

  /* Service */
  .service-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .service-grid--2col {
    grid-template-columns: 1fr;
  }
  /* span2 は2カラム時にも維持（7番目を最終行で全幅にする） */
  .service-card {
    padding: 26px 22px;
  }

  /* Fukunowa */
  .service-fukunowa {
    padding: 40px 26px;
    gap: 36px;
  }
  .phone-mock { width: 240px; }

  /* Flow */
  .flow-timeline {
    padding-left: 32px;
  }
  .flow-line { left: 18px; }
  .flow-node {
    grid-template-columns: auto 1fr;
    gap: 20px;
  }
  .flow-node__circle {
    width: 42px; height: 42px;
    margin-left: -21px;
    font-size: 0.95rem;
  }
  .flow-node__card {
    padding: 18px 22px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  /* Why */
  .why-main {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .why-sub-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .why-card-large {
    padding: 40px 28px;
  }
  .why-num {
    top: 28px; right: 28px;
    font-size: 3rem;
  }
  .why-sub-card {
    padding: 32px 26px;
  }

  /* Company */
  .company-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  /* Contact */
  .contact-form-wrap {
    padding: 32px 24px;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ============================================================
   RESPONSIVE — small mobile (≤ 480px)
============================================================ */
@media (max-width: 480px) {
  .container { padding: 0 20px; }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .about-card {
    padding: 28px 22px;
  }

  .phone-mock { width: 220px; }

  .fukunowa-stat__value { font-size: 2.2rem; }
}