/*
Theme Name: Ainaru
Theme URI: https://ainaru.co.jp/
Author: 株式会社アイナル
Description: アイナル介護BPOサービス公式サイト用オリジナルテーマ
Version: 1.0.0
License: GPL v2 or later
Text Domain: ainaru
*/

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

  :root {
    --green-50: #f0faf4;
    --green-100: #d4f0e0;
    --green-200: #a8dfc2;
    --green-400: #5aba8a;
    --green-500: #3a9e6f;
    --green-600: #2c7d57;
    --green-700: #1f5c3f;
    --green-900: #0d2e1f;
    --sage-50: #f5f9f6;
    --sage-100: #e8f3ec;
    --sage-200: #c8e3d2;
    --mint: #e6f7ee;
    --white: #ffffff;
    --gray-50: #f8faf9;
    --gray-100: #eef1ef;
    --gray-200: #d9ddd9;
    --gray-400: #8f9690;
    --gray-600: #5a615b;
    --gray-900: #1a1f1b;
    --font-main: 'M PLUS 1p', sans-serif;
    --font-serif: 'M PLUS Rounded 1c', sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-soft: 0 4px 24px rgba(58, 158, 111, 0.08);
    --shadow-card: 0 2px 16px rgba(0,0,0,0.06);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-main);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.7;
    font-size: 16px;
  }

  /* ===== HEADER ===== */
  header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--green-100);
    padding: 0 5%;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
  }

  .logo-mark {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--green-400), var(--green-600));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: -0.5px;
  }

  .logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--green-700);
    letter-spacing: 0.05em;
  }

  .logo-text span {
    font-size: 11px;
    font-weight: 400;
    color: var(--gray-400);
    display: block;
    letter-spacing: 0.08em;
  }

  nav { display: flex; align-items: center; gap: 2rem; }

  nav a {
    text-decoration: none;
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 500;
    transition: color 0.2s;
  }

  nav a:hover { color: var(--green-600); }

  .nav-cta {
    background: var(--green-500);
    color: white !important;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 13px !important;
    transition: background 0.2s !important;
  }

  .nav-cta:hover { background: var(--green-600) !important; }

  /* ===== HERO ===== */
  #hero {
    padding-top: 64px;
    min-height: 100vh;
    background: linear-gradient(160deg, var(--sage-50) 0%, var(--white) 50%, var(--mint) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
  }

  #hero::before {
    content: '';
    position: absolute;
    top: -100px; right: -150px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(90,186,138,0.12) 0%, transparent 70%);
    pointer-events: none;
  }

  #hero::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(58,158,111,0.08) 0%, transparent 70%);
    pointer-events: none;
  }

  .hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 5%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--green-100);
    color: var(--green-700);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 100px;
    letter-spacing: 0.08em;
    margin-bottom: 24px;
  }

  .hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--green-500);
    border-radius: 50%;
    display: inline-block;
  }

  h1 {
    font-family: 'M PLUS Rounded 1c', sans-serif;
    font-size: clamp(26px, 3.5vw, 42px);
    font-weight: 700;
    line-height: 1.4;
    color: var(--gray-900);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
  }

  h1 .accent { color: var(--green-600); }

  .hero-sub {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 36px;
  }

  .hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }

  .btn-primary {
    background: var(--green-500);
    color: white;
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(58,158,111,0.3);
  }

  .btn-primary:hover {
    background: var(--green-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(58,158,111,0.35);
  }

  .btn-secondary {
    background: transparent;
    color: var(--green-600);
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border: 1.5px solid var(--green-300, #7ecfa0);
    transition: all 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .btn-secondary:hover {
    background: var(--green-50);
    border-color: var(--green-500);
  }

  .hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .hero-card-stack {
    position: relative;
    width: 340px;
    height: 360px;
  }

  .hero-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--green-100);
    padding: 20px;
  }

  .hero-card.card-1 {
    width: 280px;
    top: 0; left: 30px;
    transform: rotate(-3deg);
    z-index: 1;
  }

  .hero-card.card-2 {
    width: 300px;
    top: 60px; left: 0;
    transform: rotate(1deg);
    z-index: 2;
    background: var(--green-50);
    border-color: var(--green-200);
  }

  .hero-card.card-3 {
    width: 260px;
    top: 150px; right: 0;
    z-index: 3;
  }

  .card-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--green-600);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .card-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
  }

  .card-bar {
    height: 6px;
    background: var(--green-100);
    border-radius: 3px;
    margin-bottom: 6px;
    overflow: hidden;
  }

  .card-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green-400), var(--green-500));
    border-radius: 3px;
  }

  .card-check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--gray-600);
    margin-top: 4px;
  }

  .card-check::before {
    content: '✓';
    color: var(--green-500);
    font-weight: 700;
    font-size: 12px;
  }

  .hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid var(--green-100);
  }

  .stat-item {}
  .stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--green-600);
    line-height: 1;
  }
  .stat-label {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 4px;
    letter-spacing: 0.05em;
  }

  /* ===== SECTIONS COMMON ===== */
  section { padding: 96px 5%; }

  .container { max-width: 1100px; margin: 0 auto; }

  .section-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--green-500);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .section-label::before {
    content: '';
    width: 24px; height: 2px;
    background: var(--green-400);
    display: inline-block;
  }

  h2 {
    font-family: 'M PLUS Rounded 1c', sans-serif;
    font-size: clamp(22px, 2.8vw, 36px);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.5;
    margin-bottom: 16px;
  }

  .section-lead {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.85;
    max-width: 600px;
    margin-bottom: 56px;
  }

  /* ===== PROBLEM SECTION ===== */
  #problem { background: var(--gray-50); }

  .problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 48px;
  }

  .problem-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 28px;
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--green-400);
    transition: transform 0.2s, box-shadow 0.2s;
  }

  .problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
  }

  .problem-icon {
    font-size: 28px;
    margin-bottom: 14px;
    display: block;
  }

  .problem-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
  }

  .problem-card p {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.7;
  }

  /* ===== SERVICE SECTION ===== */
  #service { background: var(--white); }

  .service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-top: 16px;
  }

  .service-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .feature-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
  }

  .feature-icon-wrap {
    flex-shrink: 0;
    width: 44px; height: 44px;
    background: var(--green-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
  }

  .feature-text h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 5px;
  }

  .feature-text p {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.7;
  }

  .service-visual-box {
    background: linear-gradient(145deg, var(--sage-100, #e6f5ec), var(--mint));
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    border: 1px solid var(--green-200);
    position: relative;
    overflow: hidden;
  }

  .service-visual-box::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(90,186,138,0.15), transparent 70%);
  }

  .service-visual-icon {
    font-size: 64px;
    margin-bottom: 16px;
    display: block;
  }

  .service-visual-box p {
    font-size: 14px;
    color: var(--green-700);
    font-weight: 500;
    line-height: 1.6;
  }

  /* ===== STRENGTH SECTION ===== */
  #strength { background: var(--green-700); }

  #strength .section-label { color: var(--green-200); }
  #strength .section-label::before { background: var(--green-400); }
  #strength h2 { color: white; }
  #strength .section-lead { color: rgba(255,255,255,0.75); }

  .strength-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
  }

  .strength-card {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: background 0.2s;
  }

  .strength-card:hover { background: rgba(255,255,255,0.12); }

  .strength-num {
    font-size: 40px;
    font-weight: 700;
    color: var(--green-400);
    line-height: 1;
    margin-bottom: 14px;
    font-family: var(--font-serif);
  }

  .strength-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
  }

  .strength-card p {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    line-height: 1.75;
  }

  /* ===== FORMS SECTION ===== */
  #forms { background: var(--sage-50); }

  .forms-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }

  .forms-categories {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 0;
  }

  .form-category {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--green-100);
    overflow: hidden;
  }

  .form-category-header {
    background: var(--green-500);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-weight: 700;
    font-size: 13px;
  }

  .form-category-header span { font-size: 16px; }

  .form-list {
    padding: 16px 20px;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .form-list li {
    font-size: 13px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .form-list li::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--green-400);
    border-radius: 50%;
    flex-shrink: 0;
  }

  .forms-highlight {
    position: sticky;
    top: 84px;
  }

  .highlight-box {
    background: linear-gradient(145deg, var(--green-600), var(--green-700));
    border-radius: var(--radius-lg);
    padding: 36px;
    color: white;
    margin-bottom: 20px;
  }

  .highlight-box h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.5;
  }

  .highlight-box p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.75;
  }

  .highlight-custom {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--green-200);
  }

  .highlight-custom h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--green-700);
    margin-bottom: 10px;
  }

  .custom-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .custom-list li {
    font-size: 13px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .custom-list li::before {
    content: '✓';
    color: var(--green-500);
    font-weight: 700;
  }

  /* ===== FLOW SECTION ===== */
  #flow { background: white; }

  .flow-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    max-width: 720px;
    margin: 0 auto;
  }

  .flow-step {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    padding-bottom: 40px;
    position: relative;
  }

  .flow-step:last-child { padding-bottom: 0; }

  .flow-step::before {
    content: '';
    position: absolute;
    left: 23px;
    top: 48px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--green-300, #7ecfa0), var(--green-100));
  }

  .flow-step:last-child::before { display: none; }

  .flow-num {
    flex-shrink: 0;
    width: 48px; height: 48px;
    background: var(--green-500);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    position: relative;
    z-index: 1;
  }

  .flow-content {
    padding-top: 10px;
    flex: 1;
  }

  .flow-content h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
  }

  .flow-content p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.75;
  }

  .flow-tag {
    display: inline-block;
    background: var(--green-100);
    color: var(--green-700);
    font-size: 10px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
  }

  /* ===== CONTACT SECTION ===== */
  #contact { background: var(--sage-50); }

  .contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
  }

  .contact-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
  }

  .contact-info p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 24px;
  }

  .contact-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .contact-points li {
    font-size: 13px;
    color: var(--gray-600);
    display: flex;
    align-items: flex-start;
    gap: 8px;
  }

  .contact-points li::before {
    content: '✓';
    color: var(--green-500);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
  }

  .contact-form-box {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--green-100);
    box-shadow: var(--shadow-soft);
  }

  .form-group {
    margin-bottom: 20px;
  }

  .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-600);
    margin-bottom: 7px;
    letter-spacing: 0.04em;
  }

  .form-group label .required {
    color: var(--green-500);
    margin-left: 4px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--gray-900);
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
  }

  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(90,186,138,0.12);
  }

  .form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238f9690' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
  }

  .form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .submit-btn {
    width: 100%;
    padding: 15px;
    background: var(--green-500);
    color: white;
    border: none;
    border-radius: 100px;
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    margin-top: 8px;
    letter-spacing: 0.04em;
  }

  .submit-btn:hover {
    background: var(--green-600);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58,158,111,0.3);
  }

  .form-note {
    font-size: 11px;
    color: var(--gray-400);
    text-align: center;
    margin-top: 12px;
  }

  .success-msg {
    display: none;
    background: var(--green-50);
    border: 1px solid var(--green-200);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    margin-top: 16px;
  }

  .success-msg h4 {
    color: var(--green-700);
    font-size: 16px;
    margin-bottom: 6px;
  }

  .success-msg p {
    color: var(--gray-600);
    font-size: 13px;
  }

  /* ===== COMPANY SECTION ===== */
  #company { background: white; }

  .company-table {
    width: 100%;
    border-collapse: collapse;
    max-width: 700px;
  }

  .company-table tr {
    border-bottom: 1px solid var(--green-100);
  }

  .company-table th {
    text-align: left;
    padding: 18px 20px 18px 0;
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-600);
    width: 160px;
    vertical-align: top;
    letter-spacing: 0.04em;
  }

  .company-table td {
    padding: 18px 0;
    font-size: 14px;
    color: var(--gray-900);
    line-height: 1.7;
  }

  /* ===== FOOTER ===== */
  footer {
    background: var(--green-900);
    padding: 48px 5% 32px;
    color: rgba(255,255,255,0.6);
  }

  .footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 24px;
  }

  .footer-logo { color: white; font-weight: 700; font-size: 18px; }
  .footer-logo span { color: var(--green-400); }

  .footer-nav { display: flex; gap: 24px; }
  .footer-nav a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
  }
  .footer-nav a:hover { color: white; }

  .footer-copy {
    max-width: 1100px;
    margin: 0 auto;
    font-size: 12px;
    text-align: center;
    color: rgba(255,255,255,0.35);
  }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 768px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { display: none; }
    .service-grid { grid-template-columns: 1fr; }
    .forms-intro { grid-template-columns: 1fr; }
    .forms-highlight { position: static; }
    .contact-wrap { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; gap: 20px; }
    nav { display: none; }
    .hero-stats { flex-wrap: wrap; gap: 1.2rem; }
  }

/* ===== お問い合わせフォームのエラー/成功表示 ===== */
.error-msg {
  display: none;
  margin-top: 12px;
  padding: 12px 16px;
  background: #fff0f0;
  color: #c33;
  border: 1px solid #f5c6c6;
  border-radius: var(--radius-sm);
  white-space: pre-line;
}
.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}