/* ============ DESIGN TOKENS ============ */
:root {
  --navy: #1B2A41;
  --navy-deep: #0F172A;
  --navy-soft: #2C3E5C;
  --gold: #C9A961;
  --gold-deep: #A88B47;
  --silver: #5B6770;
  --silver-light: #8E96A0;
  --bg: #F8F7F4;
  --bg-soft: #EFEEE9;
  --white: #FFFFFF;
  --text: #0F172A;
  --text-mid: #475569;
  --text-soft: #64748B;
  --line: #E2E0DA;
  --shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 60px;
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Shippori Mincho', 'Noto Sans JP', serif;
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--navy-deep);
  letter-spacing: 0.04em;
}

.section-lead {
  margin-top: 18px;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.95;
}

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.sp-only { display: none; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--navy);
  color: var(--gold);
  font-family: 'Shippori Mincho', serif;
  font-weight: 800;
  font-size: 22px;
  border-radius: 4px;
  letter-spacing: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-name {
  font-family: 'Shippori Mincho', serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--navy-deep);
  letter-spacing: 0.06em;
}
.brand-sub {
  font-size: 11px;
  color: var(--silver);
  letter-spacing: 0.08em;
}
.header-cta { display: flex; align-items: center; gap: 14px; }
.header-tel {
  display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2;
}
.header-tel .tel-label { font-size: 10px; color: var(--silver); letter-spacing: 0.18em; }
.header-tel .tel-number {
  font-family: 'Shippori Mincho', serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--navy-deep);
  letter-spacing: 0.04em;
}
.header-mail {
  background: var(--gold);
  color: var(--navy-deep);
  font-weight: 700;
  font-size: 13px;
  padding: 13px 22px;
  border-radius: 999px;
  letter-spacing: 0.08em;
  transition: transform .25s ease, background .25s ease;
}
.header-mail:hover { background: var(--gold-deep); transform: translateY(-1px); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-image {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center right;
  z-index: -2;
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.72) 35%, rgba(15, 23, 42, 0.30) 60%, transparent 88%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.30) 0%, transparent 30%, transparent 70%, rgba(15, 23, 42, 0.45) 100%);
  z-index: -1;
}
.hero-inner {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 80px 32px 120px;
  color: var(--white);
}
.hero-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--gold);
  border: 1px solid rgba(201, 169, 97, 0.6);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
  background: rgba(15, 23, 42, 0.4);
}
.hero-h1 {
  font-family: 'Shippori Mincho', 'Noto Sans JP', serif;
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  margin-bottom: 28px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
  max-width: 760px;
}
.hero-h1 .h1-line { display: block; }
.hero-h1 .h1-line:first-child {
  color: var(--gold);
  font-size: 0.78em;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.hero-lead {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 2;
  margin-bottom: 36px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  max-width: 580px;
}
.hero-lead strong { color: var(--gold); font-weight: 700; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 28px;
  border-radius: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: transform .25s ease, box-shadow .25s ease;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
  box-shadow: 0 14px 30px rgba(201, 169, 97, 0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(201, 169, 97, 0.42); }
.btn-icon { font-size: 22px; }
.btn-text { display: flex; flex-direction: column; line-height: 1.15; }
.btn-small { font-size: 11px; letter-spacing: 0.18em; opacity: 0.85; }
.btn-large {
  font-family: 'Shippori Mincho', serif;
  font-size: 22px;
  letter-spacing: 0.04em;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
  padding: 18px 28px;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.18); }
.hero-trust {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.08em;
}
.hero-trust span::before {
  content: "✓ ";
  color: var(--gold);
  font-weight: 700;
}

/* ============ STATS ============ */
.stats {
  background: var(--navy);
  color: var(--white);
  padding: 56px 0;
  position: relative;
  margin-top: -1px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  letter-spacing: 0.02em;
}
.stat-num small { font-size: 0.5em; margin-left: 4px; color: var(--white); font-weight: 500; }
.stat-label {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.78);
}

/* ============ SECTION COMMON ============ */
.section { padding: 120px 0; }
.section-trouble { background: var(--bg-soft); }
.section-strength { background: var(--white); }
.section-menu { background: var(--bg); }
.section-president { background: var(--navy); color: var(--white); }
.section-flow { background: var(--bg-soft); }
.section-area { background: var(--white); }
.section-faq { background: var(--bg-soft); }
.section-contact { background: var(--bg); padding-bottom: 60px; }
.section-company { background: var(--white); padding: 100px 0; }

/* ============ TROUBLES ============ */
.trouble-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.trouble-card {
  background: var(--white);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.trouble-img {
  height: 220px;
  background-size: cover;
  background-position: center;
}
.trouble-card h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--navy-deep);
  padding: 24px 28px 12px;
  letter-spacing: 0.04em;
  line-height: 1.55;
}
.trouble-card p {
  padding: 0 28px 28px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.9;
}

/* ============ STRENGTHS ============ */
.strength-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}
.strength-card {
  background: var(--bg);
  border-radius: 14px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
  border: 1px solid var(--line);
}
.strength-img {
  background-size: cover;
  background-position: center;
}
.strength-body {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.strength-num {
  font-family: 'Shippori Mincho', serif;
  font-size: 42px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.strength-body h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.strength-body p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-mid);
}

/* ============ MENU ============ */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.menu-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.menu-img {
  height: 180px;
  background-size: cover;
  background-position: center;
}
.menu-body { padding: 24px 22px 26px; flex-grow: 1; display: flex; flex-direction: column; }
.menu-body h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.menu-body p { font-size: 13px; color: var(--text-mid); line-height: 1.85; flex-grow: 1; margin-bottom: 16px; }
.menu-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold-deep);
  background: rgba(201, 169, 97, 0.1);
  padding: 5px 12px;
  border-radius: 4px;
  font-weight: 700;
  align-self: flex-start;
}

/* ============ PRESIDENT ============ */
.president-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: start;
}
.president-portrait { display: flex; flex-direction: column; gap: 20px; }
.portrait-frame {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(201, 169, 97, 0.35);
  border-radius: 8px;
  aspect-ratio: 4 / 5;
  position: relative;
  overflow: hidden;
}
.portrait-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px;
}
.portrait-mark {
  font-family: 'Shippori Mincho', serif;
  font-size: 88px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0;
  line-height: 1;
  opacity: 0.65;
}
.portrait-caption {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.12em;
}
.president-meta {
  display: flex; flex-direction: column;
}
.president-name {
  font-family: 'Shippori Mincho', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
}
.president-name-en {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.16em;
  margin-top: 6px;
}
.president-message .eyebrow { color: var(--gold); }
.president-message .section-title {
  color: var(--white);
  font-size: clamp(24px, 2.8vw, 36px);
  margin-bottom: 28px;
}
.president-message p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
  line-height: 2.05;
  margin-bottom: 18px;
}
.president-credentials {
  margin-top: 28px;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
}
.president-credentials li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.06em;
  padding: 5px 0;
}
.president-credentials li::before {
  content: "◆ ";
  color: var(--gold);
  margin-right: 4px;
}

/* ============ FLOW ============ */
.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.flow-step {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
}
.flow-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}
.flow-body { padding: 28px 24px 28px; }
.flow-num {
  font-family: 'Shippori Mincho', serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.flow-body h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.flow-body p { font-size: 13px; line-height: 1.9; color: var(--text-mid); }

/* ============ AREA ============ */
.area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.area-text .section-title { text-align: left; margin-bottom: 24px; }
.area-text .eyebrow { display: block; }
.area-text > p { margin-bottom: 24px; color: var(--text-mid); line-height: 2; }
.area-list { display: grid; gap: 12px; margin-top: 24px; }
.area-list li {
  font-size: 14px;
  padding: 14px 18px;
  background: var(--bg-soft);
  border-radius: 6px;
  border-left: 3px solid var(--gold);
  color: var(--text-mid);
  line-height: 1.7;
}
.area-list li strong {
  display: block;
  color: var(--navy-deep);
  font-size: 12px;
  letter-spacing: 0.18em;
  margin-bottom: 4px;
  font-weight: 700;
}
.area-map img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

/* ============ FAQ ============ */
.faq-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.faq-item summary {
  cursor: pointer;
  padding: 22px 28px;
  font-weight: 700;
  font-size: 15px;
  color: var(--navy-deep);
  list-style: none;
  position: relative;
  letter-spacing: 0.04em;
  padding-right: 60px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q";
  font-family: 'Shippori Mincho', serif;
  color: var(--gold);
  font-weight: 800;
  margin-right: 14px;
  font-size: 18px;
}
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 28px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s ease;
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-body {
  padding: 0 28px 24px 64px;
  font-size: 14px;
  line-height: 2;
  color: var(--text-mid);
}

/* ============ CONTACT ============ */
.contact-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: var(--white);
  border-radius: 18px;
  padding: 72px 56px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.18), transparent 70%);
}
.contact-card .eyebrow { color: var(--gold); }
.contact-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 18px;
}
.contact-lead { color: rgba(255, 255, 255, 0.88); font-size: 14px; line-height: 1.95; margin-bottom: 40px; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 760px;
  margin: 0 auto;
}
.contact-item {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(201, 169, 97, 0.4);
  border-radius: 12px;
  padding: 26px 24px;
  display: flex; flex-direction: column; gap: 8px;
  transition: background .3s ease, transform .25s ease;
}
.contact-item:hover { background: rgba(201, 169, 97, 0.12); transform: translateY(-2px); }
.contact-label { font-size: 11px; color: var(--gold); letter-spacing: 0.2em; font-weight: 700; }
.contact-value {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  word-break: keep-all;
}
.contact-sub { font-size: 11px; color: rgba(255, 255, 255, 0.65); letter-spacing: 0.08em; }

/* ============ COMPANY ============ */
.company-table {
  max-width: 880px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.company-table .row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 20px 4px;
  align-items: baseline;
}
.company-table dt {
  font-size: 13px;
  color: var(--silver);
  letter-spacing: 0.12em;
  font-weight: 700;
}
.company-table dd {
  font-size: 14px;
  color: var(--navy-deep);
  line-height: 1.85;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 36px 0;
}
.site-footer .container {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: 6px; }
.footer-name {
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  color: var(--white);
  letter-spacing: 0.06em;
  font-weight: 700;
}
.footer-license { font-size: 11px; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.5); }
.footer-copy { font-size: 11px; letter-spacing: 0.1em; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .strength-grid { grid-template-columns: 1fr; }
  .strength-card { grid-template-columns: 1fr; }
  .strength-img { height: 220px; }
  .menu-grid, .flow-list { grid-template-columns: repeat(2, 1fr); }
  .area-grid { grid-template-columns: 1fr; gap: 40px; }
  .president-grid { grid-template-columns: 1fr; gap: 32px; }
  .president-portrait { max-width: 320px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); padding-bottom: 24px; }
  .stat:nth-child(3), .stat:nth-child(4) { border-bottom: none; padding-bottom: 0; }
}

@media (max-width: 640px) {
  .container { padding: 0 22px; }
  .section { padding: 80px 0; }
  .sp-only { display: inline; }
  .header-inner { padding: 12px 18px; gap: 12px; }
  .brand-mark { width: 38px; height: 38px; font-size: 18px; }
  .brand-name { font-size: 14px; }
  .brand-sub { font-size: 9px; }
  .header-tel { display: none; }
  .header-mail { padding: 11px 16px; font-size: 12px; }
  .hero { min-height: 620px; }
  .hero-inner { padding: 60px 22px 100px; }
  .hero-image { background-position: center; }
  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(15, 23, 42, 0.78) 0%, rgba(15, 23, 42, 0.55) 60%, rgba(15, 23, 42, 0.78) 100%);
  }
  .hero-h1 { font-size: 26px; line-height: 1.5; }
  .hero-h1 .h1-line:first-child { font-size: 0.7em; }
  .hero-lead { font-size: 14px; line-height: 1.95; }
  .btn { padding: 14px 20px; }
  .btn-large { font-size: 18px; }
  .hero-trust { font-size: 11px; gap: 8px 14px; }
  .trouble-grid { grid-template-columns: 1fr; gap: 20px; }
  .trouble-img { height: 180px; }
  .menu-grid, .flow-list { grid-template-columns: 1fr; }
  .menu-img, .flow-img { height: 200px; }
  .strength-img { height: 180px; }
  .strength-body { padding: 28px 24px; }
  .stats-grid { gap: 24px; }
  .stat-num { font-size: 36px; }
  .contact-card { padding: 48px 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-value { font-size: 20px; }
  .company-table .row { grid-template-columns: 1fr; gap: 4px; padding: 14px 4px; }
  .faq-item summary { padding: 18px 22px; font-size: 14px; padding-right: 50px; }
  .faq-body { padding: 0 22px 20px 50px; font-size: 13px; }
  body { padding-bottom: 80px; }
}