/* =============================================
   オフィス葵ウェルネスコンサルティング
   スタイルシート
   ============================================= */

:root {
  --navy:    #1a3a5c;
  --navy-dk: #0f2540;
  --green:   #2a7a50;
  --green-lt:#e8f4ee;
  --gold:    #b8964a;
  --gray:    #f5f5f5;
  --gray-mid:#e0e0e0;
  --text:    #2c2c2c;
  --text-lt: #666666;
  --white:   #ffffff;
  --radius:  4px;
  --shadow:  0 2px 12px rgba(0,0,0,0.08);
  --transition: 0.25s ease;
}

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

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

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }

/* ── Container ── */
.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Section ── */
.section {
  padding: 80px 0;
}
.section--gray { background: var(--gray); }

.section__header {
  text-align: center;
  margin-bottom: 56px;
}
.section__label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 700;
  margin-bottom: 8px;
}
.section__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
}
.section__title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--gold);
  margin: 14px auto 0;
}

/* =============================================
   HEADER / NAV
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-mid);
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo__mark {
  width: 40px;
  height: 40px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}
.logo__text {
  line-height: 1.3;
}
.logo__name {
  font-size: 0.72rem;
  color: var(--text-lt);
  letter-spacing: 0.06em;
}
.logo__company {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav a {
  font-size: 0.88rem;
  color: var(--text);
  letter-spacing: 0.04em;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav a:hover {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

/* ハンバーガー（SP） */
.menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}
.menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: var(--transition);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  background: linear-gradient(135deg, var(--navy-dk) 0%, var(--navy) 60%, #1e5480 100%);
  color: var(--white);
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '葵';
  position: absolute;
  right: -60px;
  top: -30px;
  font-size: 28rem;
  color: rgba(255,255,255,0.03);
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
  color: rgba(255,255,255,0.9);
}
.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4fc87a;
}
.hero__title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero__title em {
  font-style: normal;
  color: #7dd4a0;
}
.hero__sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  line-height: 1.9;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold);
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: var(--radius);
  letter-spacing: 0.06em;
  transition: background var(--transition), transform var(--transition);
}
.hero__cta:hover {
  background: #a07a35;
  transform: translateY(-1px);
}
.hero__cta::after {
  content: '→';
}

/* =============================================
   FEATURES（特長）
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.feature-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--green-lt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}
.feature-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.feature-card__text {
  font-size: 0.88rem;
  color: var(--text-lt);
  line-height: 1.8;
}

/* =============================================
   SERVICES
   ============================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.service-item {
  background: var(--white);
  border-left: 4px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 24px 24px 20px;
  box-shadow: var(--shadow);
}
.service-item__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-item__title::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
.service-item__text {
  font-size: 0.86rem;
  color: var(--text-lt);
  line-height: 1.8;
}

.industries {
  margin-top: 48px;
  background: var(--navy);
  border-radius: var(--radius);
  padding: 32px 36px;
  color: var(--white);
}
.industries__title {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
}
.industries__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}
.industries__list li {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 6px 18px;
  font-size: 0.85rem;
}

/* =============================================
   AREA（対応エリア）
   ============================================= */
.area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.area-card {
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  background: var(--white);
}
.area-card__icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.area-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.area-card__text {
  font-size: 0.88rem;
  color: var(--text-lt);
  line-height: 1.8;
}

/* =============================================
   PROFILE
   ============================================= */
.profile {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}
.profile__photo-wrap {
  text-align: center;
}
.profile__photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), #2d5f8a);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: rgba(255,255,255,0.4);
  overflow: hidden;
}
.profile__photo-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.08em;
}
.profile__photo-title {
  font-size: 0.78rem;
  color: var(--text-lt);
  margin-top: 4px;
}
.profile__content h3 {
  font-size: 1.1rem;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}
.profile__text {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 2;
  margin-bottom: 24px;
}
.credentials {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.credentials li {
  font-size: 0.85rem;
  color: var(--text);
  padding: 8px 12px;
  background: var(--green-lt);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 8px;
}
.credentials li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

/* =============================================
   CONTACT
   ============================================= */
.contact-wrap {
  max-width: 680px;
  margin: 0 auto;
}
.contact-note {
  background: var(--green-lt);
  border-left: 4px solid var(--green);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 36px;
  line-height: 1.8;
}

.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-label .req {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
}
.form-label .opt {
  display: inline-block;
  background: var(--gray-mid);
  color: var(--text-lt);
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  font-size: 0.93rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.08);
}
.form-textarea { resize: vertical; min-height: 140px; }

.privacy-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-lt);
}
.privacy-check input { margin-top: 3px; accent-color: var(--navy); }

.btn-submit {
  display: block;
  width: 100%;
  padding: 16px;
  background: var(--navy);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  margin-top: 28px;
}
.btn-submit:hover {
  background: var(--navy-dk);
  transform: translateY(-1px);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-error {
  color: #c0392b;
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}
.form-error.visible { display: block; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--navy-dk);
  color: rgba(255,255,255,0.65);
  padding: 48px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.footer-logo__mark {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-logo__company {
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.footer-logo__name {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  text-align: right;
}
.footer-nav a {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--white); }

.footer-copy {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* =============================================
   TOAST / ALERT
   ============================================= */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #2a7a50;
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 999;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .hero { padding: 64px 0 56px; }
  .hero__title { font-size: 1.7rem; }
  .hero__before { font-size: 20rem; }

  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .area-grid { grid-template-columns: 1fr; }
  .profile { grid-template-columns: 1fr; gap: 28px; }
  .profile__photo-wrap { display: flex; align-items: center; gap: 24px; text-align: left; }
  .profile__photo { width: 100px; height: 100px; font-size: 2.4rem; flex-shrink: 0; margin: 0; }
  .credentials { grid-template-columns: 1fr; }

  .section { padding: 56px 0; }
  .section__title { font-size: 1.4rem; }

  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-mid);
    padding: 16px 24px 24px;
    gap: 0;
  }
  .nav.open a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray);
  }
  .menu-btn { display: flex; }
  .site-header { position: sticky; top: 0; }

  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-nav { text-align: left; flex-direction: row; flex-wrap: wrap; gap: 12px 24px; }
}
