/* ============================================
   秋山康二郎 | 人材育成コンサルタント
   ============================================ */

:root {
  --navy: #1b2a4a;
  --navy-deep: #14203a;
  --amber: #c98f2d;
  --amber-soft: #e6b45a;
  --ink: #2b2f36;
  --ink-soft: #5a6270;
  --bg: #ffffff;
  --bg-alt: #f6f4ef;
  --line: #e3e0d8;
  --radius: 10px;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;
}

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-only { display: inline; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-sub {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav a:not(.nav-cta) {
  color: var(--ink);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.nav a:not(.nav-cta):hover { border-color: var(--amber); }

.nav-cta {
  background: var(--navy);
  color: #fff;
  padding: 8px 20px;
  border-radius: 999px;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--navy-deep); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: var(--navy);
  transition: transform 0.25s, opacity 0.25s;
}

/* ---------- ヒーロー ---------- */
.hero {
  background:
    linear-gradient(120deg, rgba(20, 32, 58, 0.92), rgba(27, 42, 74, 0.85)),
    radial-gradient(ellipse at 80% 20%, rgba(201, 143, 45, 0.35), transparent 55%),
    var(--navy);
  color: #fff;
  padding: 110px 0 120px;
}

.hero-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--amber-soft);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  line-height: 1.55;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.hero-lead {
  font-size: 1.02rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
}

.hero-photo {
  margin: 0;
}

.hero-photo img,
.hero-photo .photo-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.hero-photo .photo-placeholder {
  background: linear-gradient(160deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stats dt {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 4px;
}

.hero-stats dd {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  color: #fff;
  line-height: 1.3;
}

.stat-note {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 4px;
}

.stat-arrow {
  color: var(--amber-soft);
  margin: 0 4px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--amber);
  color: #fff;
  box-shadow: 0 4px 16px rgba(201, 143, 45, 0.4);
}

.btn-primary:hover { background: var(--amber-soft); }

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn-ghost:hover { border-color: #fff; }

.btn-light {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ---------- セクション共通 ---------- */
.section { padding: 96px 0; }

.section-alt { background: var(--bg-alt); }

.section-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 700;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  color: var(--navy);
  margin-bottom: 48px;
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
}

.section-eyebrow.light { color: var(--amber-soft); }
.section-title.light { color: #fff; }

.section-lead {
  max-width: 760px;
  margin: -24px 0 44px;
  color: var(--ink-soft);
  line-height: 2;
}

/* ---------- お悩み（ビフォーアフター） ---------- */
.ba-head {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.ba-head span:first-child { color: var(--ink-soft); }
.ba-head span:last-child { color: var(--amber); }

.ba-list {
  display: grid;
  gap: 12px;
}

.ba-list li {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 12px;
  align-items: center;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 16px 22px;
}

.ba-now {
  color: var(--ink-soft);
  font-weight: 500;
}

.ba-arrow {
  color: var(--amber);
  font-weight: 700;
  text-align: center;
  font-size: 1.1rem;
}

.ba-future {
  color: var(--navy);
  font-weight: 700;
}

.ba-note {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.problem-message {
  margin-top: 36px;
  text-align: center;
  font-size: 1.05rem;
  line-height: 2.1;
}

.problem-message strong {
  color: var(--navy);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
}

/* ---------- 私について ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-text p { margin-bottom: 1.4em; }
.about-text strong { color: var(--navy); }

.about-points {
  display: grid;
  gap: 20px;
}

.point-card {
  background: var(--bg-alt);
  border-left: 4px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
}

.point-card h3 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 6px;
}

.point-card p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- 想い ---------- */
.mission {
  background:
    linear-gradient(120deg, rgba(20, 32, 58, 0.95), rgba(27, 42, 74, 0.9)),
    radial-gradient(ellipse at 70% 30%, rgba(201, 143, 45, 0.35), transparent 60%),
    var(--navy);
  color: #fff;
  text-align: center;
  padding: 88px 0;
}

.mission-label {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber-soft);
  font-weight: 700;
  margin-bottom: 20px;
}

.mission-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.3rem);
  line-height: 1.7;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.mission-sub {
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 2.1;
}

/* ---------- サービス ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(27, 42, 74, 0.1);
}

.service-num {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 14px;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 18px;
}

.service-list li {
  font-size: 0.88rem;
  padding: 7px 0 7px 22px;
  border-top: 1px dashed var(--line);
  position: relative;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- フロントサービス ---------- */
.front-services {
  margin-top: 56px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 40px 36px;
}

.front-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 24px;
  text-align: center;
}

.front-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.front-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
}

.front-tag {
  color: var(--amber);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.front-card h4 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.front-price {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--amber);
  font-weight: 700;
  margin-bottom: 10px;
}

.front-card p:not(.front-price) {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* ---------- 実績 ---------- */
.results-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  color: var(--navy);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.results-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.results-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
}

.results-block h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--amber);
  display: inline-block;
}

.client-list {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 2.1;
}

.case-list li {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.8;
  padding: 8px 0 8px 24px;
  position: relative;
  border-bottom: 1px dashed var(--line);
}

.case-list li:last-child { border-bottom: none; }

.case-list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 17px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- ギャラリー ---------- */
.gallery { margin-top: 40px; }

.gallery-title {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--amber);
  display: inline-block;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-grid figure { margin: 0; }

.gallery-grid img,
.gallery-grid .photo-placeholder {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

.gallery-grid .photo-placeholder {
  background: linear-gradient(160deg, var(--navy), var(--navy-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
}

/* ---------- ご相談の流れ ---------- */
.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: flow;
}

.flow-item {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}

.flow-item:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--amber);
  font-weight: 700;
  z-index: 1;
}

.flow-step {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #fff;
  background: var(--navy);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.flow-item h3 {
  font-size: 1.02rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.flow-item p {
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- プロフィール ---------- */
.profile-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}

.profile-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(27, 42, 74, 0.18);
}

.photo-placeholder {
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, var(--navy), var(--navy-deep));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
}

.profile-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--navy);
}

.profile-name-en {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink-soft);
  margin-left: 10px;
  letter-spacing: 0.1em;
}

.profile-title {
  font-size: 0.9rem;
  color: var(--amber);
  font-weight: 700;
  margin: 4px 0 20px;
}

.profile-body > p { margin-bottom: 24px; }

.profile-facts div {
  display: flex;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}

.profile-facts dt {
  flex: 0 0 72px;
  font-weight: 700;
  color: var(--navy);
}

.profile-facts dd { color: var(--ink-soft); }

.tag {
  display: inline-block;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 14px;
  margin: 2px 6px 2px 0;
  font-size: 0.85rem;
  color: var(--navy);
  font-weight: 500;
}

.profile-links {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.profile-links a {
  font-size: 0.9rem;
  color: var(--navy);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color 0.2s;
}

.profile-links a:hover { border-color: var(--amber); }

/* ---------- お問い合わせ ---------- */
.section-contact {
  background:
    linear-gradient(120deg, rgba(20, 32, 58, 0.94), rgba(27, 42, 74, 0.88)),
    radial-gradient(ellipse at 20% 80%, rgba(201, 143, 45, 0.3), transparent 55%),
    var(--navy);
  color: #fff;
  text-align: center;
}

.contact-inner .section-title { margin-left: auto; margin-right: auto; }
.contact-inner .section-title::after { left: 50%; transform: translateX(-50%); }

.contact-lead {
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
}

.contact-note {
  margin-top: 20px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.05em;
}

.consult-card {
  max-width: 560px;
  margin: 0 auto 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 28px 32px;
  text-align: left;
}

.consult-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--amber-soft);
  margin-bottom: 14px;
  text-align: center;
}

.consult-card ul li {
  position: relative;
  padding: 7px 0 7px 26px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.9);
}

.consult-card ul li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  color: var(--amber-soft);
  font-weight: 700;
}

.consult-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, 0.25);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
}

.contact-note a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-note a:hover { color: #fff; }

.contact-slogan {
  margin-top: 48px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--amber-soft);
  letter-spacing: 0.08em;
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.82rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  padding-bottom: 24px;
}

.to-top { transition: color 0.2s; }
.to-top:hover { color: #fff; }

/* ---------- スクロールで表示 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- レスポンシブ ---------- */
.sp-only { display: none; }

@media (max-width: 900px) {
  .service-grid { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo { max-width: 420px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid img, .gallery-grid .photo-placeholder { height: 260px; }
  .flow-list { grid-template-columns: repeat(2, 1fr); }
  .flow-item:not(:last-child)::after { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .front-grid { grid-template-columns: 1fr; }
  .results-stats { grid-template-columns: repeat(2, 1fr); }
  .results-detail { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .pc-only { display: none; }
  .sp-only { display: inline; }
  .brand { white-space: nowrap; }
  .brand-sub { display: none; }
  .section { padding: 64px 0; }
  .hero { padding: 80px 0 88px; }

  .nav {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 20px;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }

  .nav.is-open { transform: none; }

  .nav a:not(.nav-cta) {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 16px;
    text-align: center;
  }

  .nav-toggle { display: flex; }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .flow-list { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr; }
  .profile-photo { max-width: 260px; }
  .footer-inner { flex-direction: column; gap: 8px; }
  .results-stats { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .front-services { padding: 28px 20px; }

  .ba-head { display: none; }

  .ba-list li {
    grid-template-columns: 1fr;
    gap: 6px;
    text-align: left;
  }

  .ba-arrow {
    text-align: left;
    font-size: 1rem;
  }

  .ba-arrow::after { content: ""; }

  .consult-card { padding: 24px 20px; }
}