/*
Theme Name: Echizen Infra Houmu
Theme URI: https://echizeninfrahoumu.com/
Author: Echizen Infra Houmu
Description: Custom one-page theme for 越前インフラ法務行政書士事務所.
Version: 1.0.0
Text Domain: echizen-infra-houmu
*/
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Noto Sans JP', sans-serif;
      color: #1e2e45;
      background: #f7f9ff;
      line-height: 1.7;
      overflow-x: hidden;
    }

    :root {
      --blue:       #1e5bab;
      --blue-mid:   #2e7dd1;
      --blue-light: #6aaff5;
      --sky:        #eef5ff;
      --gold:       #f0a500;
      --gold-light: #ffd060;
      --coral:      #ff7043;
      --teal:       #00b8a9;
      --white:      #ffffff;
      --bg:         #f7f9ff;
      --text:       #1e2e45;
      --text-sub:   #5a6a80;
      --radius:     16px;
      --radius-sm:  10px;
    }

    /* ===== スクロール進行バー ===== */
    #progress-bar {
      position: fixed;
      top: 0; left: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--blue-mid), var(--gold), var(--coral));
      width: 0%;
      z-index: 9999;
      border-radius: 0 4px 4px 0;
      transition: width 0.1s;
    }

    /* ===== ヘッダー ===== */
    header {
      position: fixed;
      top: 4px; left: 0; right: 0;
      z-index: 100;
      padding: 0 40px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
    }
    header.scrolled {
      background: rgba(255,255,255,0.9);
      backdrop-filter: blur(16px);
      box-shadow: 0 2px 24px rgba(30,91,171,0.12);
    }
    header.scrolled .logo-text { color: var(--text); }
    header.scrolled .logo-text span { color: var(--blue-mid); }
    header.scrolled nav a { color: var(--text); }
    header.scrolled nav a::after { background: var(--blue-mid); }
    header.scrolled nav a:hover { color: var(--blue-mid); }

    .header-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
    .logo-icon { font-size: 26px; }
    .logo-text { color: var(--white); font-size: 14px; font-weight: 700; line-height: 1.3; transition: color 0.4s; }
    .logo-text span { color: rgba(255,220,100,0.9); font-size: 11px; font-weight: 400; display: block; transition: color 0.4s; }

    nav { display: flex; gap: 28px; }
    nav a {
      color: rgba(255,255,255,0.9);
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      position: relative;
      transition: color 0.2s;
    }
    nav a::after {
      content: '';
      position: absolute;
      bottom: -4px; left: 0;
      width: 0; height: 2px;
      background: var(--gold);
      border-radius: 2px;
      transition: width 0.3s ease;
    }
    nav a:hover { color: var(--gold-light); }
    nav a:hover::after { width: 100%; }

    /* ===== ヒーロー ===== */
    #hero {
      min-height: 100vh;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      background: #0d2a56;
    }
    .hero-bg {
      position: absolute; inset: 0;
      background:
        radial-gradient(ellipse at 15% 60%, #1e4f9e 0%, transparent 55%),
        radial-gradient(ellipse at 85% 25%, #0e3a7a 0%, transparent 50%),
        radial-gradient(ellipse at 55% 85%, #1a4580 0%, transparent 45%),
        #0d2a56;
      animation: bgPulse 10s ease-in-out infinite alternate;
    }
    @keyframes bgPulse {
      0%   { filter: brightness(1) saturate(1); }
      100% { filter: brightness(1.1) saturate(1.15); }
    }
    .hero-grid {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 48px 48px;
    }
    /* 丸い装飾ブロブ */
    .hero-blob {
      position: absolute;
      border-radius: 50%;
      filter: blur(60px);
      animation: blobFloat ease-in-out infinite alternate;
    }
    .hero-blob:nth-child(1) { width: 500px; height: 500px; top: -100px; right: -100px; background: rgba(46,125,209,0.25); animation-duration: 12s; }
    .hero-blob:nth-child(2) { width: 350px; height: 350px; bottom: -80px; left: -80px; background: rgba(240,165,0,0.12); animation-duration: 9s; animation-delay: -4s; }
    .hero-blob:nth-child(3) { width: 200px; height: 200px; top: 40%; left: 20%; background: rgba(0,184,169,0.1); animation-duration: 7s; animation-delay: -2s; }
    @keyframes blobFloat {
      from { transform: translateY(0) scale(1); }
      to   { transform: translateY(-30px) scale(1.05); }
    }
    .particles { position: absolute; inset: 0; pointer-events: none; }
    .particle {
      position: absolute;
      width: 3px; height: 3px;
      border-radius: 50%;
      background: var(--gold-light);
      animation: sparkle linear infinite;
      opacity: 0;
    }
    @keyframes sparkle {
      0%   { opacity: 0; transform: translateY(0) scale(0); }
      20%  { opacity: 0.8; transform: translateY(-12px) scale(1); }
      80%  { opacity: 0.3; }
      100% { opacity: 0; transform: translateY(-70px) scale(0); }
    }

    .hero-inner { text-align: center; z-index: 1; padding: 100px 24px 80px; max-width: 760px; }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.2);
      backdrop-filter: blur(8px);
      color: rgba(255,255,255,0.9);
      font-size: 12px;
      letter-spacing: 0.18em;
      padding: 7px 22px;
      border-radius: 100px;
      margin-bottom: 28px;
      animation: fadeInDown 0.8s ease both;
    }
    .hero-badge-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
    @keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: 0.6; } }

    .hero-catch {
      font-family: 'Noto Serif JP', serif;
      font-size: clamp(36px, 6vw, 72px);
      font-weight: 700;
      color: var(--white);
      line-height: 1.3;
      margin-bottom: 20px;
      animation: fadeInUp 0.9s ease 0.2s both;
    }
    .hero-catch em {
      background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-style: normal;
    }
    .hero-sub {
      font-size: clamp(14px, 2vw, 17px);
      color: rgba(255,255,255,0.6);
      margin-bottom: 12px;
      animation: fadeInUp 0.9s ease 0.35s both;
    }
    .hero-office {
      font-size: 13px;
      color: rgba(255,255,255,0.4);
      letter-spacing: 0.1em;
      margin-bottom: 44px;
      animation: fadeInUp 0.9s ease 0.45s both;
    }
    .hero-tags {
      display: flex; flex-wrap: wrap; gap: 10px;
      justify-content: center; margin-bottom: 48px;
      animation: fadeInUp 0.9s ease 0.55s both;
    }
    .hero-tag {
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.15);
      color: rgba(255,255,255,0.85);
      padding: 8px 18px;
      font-size: 13px;
      border-radius: 100px;
      backdrop-filter: blur(4px);
      transition: all 0.3s;
      cursor: default;
    }
    .hero-tag:hover {
      background: rgba(240,165,0,0.2);
      border-color: rgba(240,165,0,0.5);
      color: var(--gold-light);
      transform: translateY(-2px);
    }
    .hero-cta-wrap {
      display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
      animation: fadeInUp 0.9s ease 0.65s both;
    }
    .hero-cta {
      display: inline-flex; align-items: center; gap: 8px;
      background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
      color: #1a2a00;
      text-decoration: none;
      font-weight: 700; font-size: 15px;
      padding: 15px 40px;
      border-radius: 100px;
      letter-spacing: 0.04em;
      transition: all 0.3s;
      box-shadow: 0 6px 24px rgba(240,165,0,0.4);
      position: relative; overflow: hidden;
    }
    .hero-cta::before {
      content: '';
      position: absolute; top: 0; left: -100%;
      width: 100%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      transition: left 0.5s;
    }
    .hero-cta:hover::before { left: 100%; }
    .hero-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(240,165,0,0.5); }
    .hero-cta-sub {
      display: inline-flex; align-items: center; gap: 8px;
      background: transparent;
      color: rgba(255,255,255,0.85);
      border: 1.5px solid rgba(255,255,255,0.3);
      text-decoration: none;
      font-weight: 500; font-size: 14px;
      padding: 14px 32px;
      border-radius: 100px;
      transition: all 0.3s;
    }
    .hero-cta-sub:hover {
      background: rgba(255,255,255,0.1);
      border-color: rgba(255,255,255,0.6);
      transform: translateY(-3px);
    }
    .scroll-down {
      position: absolute;
      bottom: 40px; left: 50%;
      transform: translateX(-50%);
      z-index: 1;
      display: flex; flex-direction: column; align-items: center; gap: 8px;
      color: rgba(255,255,255,0.35);
      font-size: 10px; letter-spacing: 0.2em;
      animation: fadeIn 1s ease 1.2s both;
    }
    .scroll-down-line {
      width: 1px; height: 40px;
      background: linear-gradient(180deg, rgba(240,165,0,0.6), transparent);
      animation: scrollLine 2s ease-in-out infinite;
    }
    @keyframes scrollLine {
      0%,100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
      50%      { opacity: 0.4; }
    }
    /* ウェーブセパレーター */
    .wave-bottom {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      line-height: 0;
    }
    .wave-bottom svg { display: block; width: 100%; }

    .open-banner {
      position: absolute;
      bottom: 56px; left: 0; right: 0;
      background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
      background-size: 200%;
      animation: shimmer 3s linear infinite;
      color: #1a2a00;
      text-align: center;
      padding: 10px;
      font-size: 13px; font-weight: 700;
      letter-spacing: 0.1em;
      z-index: 2;
    }
    @keyframes shimmer { 0% { background-position: 200%; } 100% { background-position: -200%; } }

    /* ===== スクロールリビール ===== */
    .reveal {
      opacity: 0; transform: translateY(36px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    .reveal-left {
      opacity: 0; transform: translateX(-36px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-left.visible { opacity: 1; transform: translateX(0); }
    .reveal-right {
      opacity: 0; transform: translateX(36px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-right.visible { opacity: 1; transform: translateX(0); }
    .delay-1 { transition-delay: 0.1s; }
    .delay-2 { transition-delay: 0.2s; }
    .delay-3 { transition-delay: 0.3s; }
    .delay-4 { transition-delay: 0.4s; }

    /* ===== セクション共通 ===== */
    section { padding: 96px 24px; }
    .section-inner { max-width: 980px; margin: 0 auto; }
    .section-header { margin-bottom: 52px; }
    .section-label {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 11px; letter-spacing: 0.22em;
      color: var(--blue-mid); text-transform: uppercase;
      font-weight: 700; margin-bottom: 10px;
    }
    .section-label::before {
      content: '';
      width: 18px; height: 3px;
      background: linear-gradient(90deg, var(--gold), var(--blue-mid));
      border-radius: 2px;
    }
    .section-title {
      font-family: 'Noto Serif JP', serif;
      font-size: clamp(26px, 4vw, 40px);
      font-weight: 700; color: var(--text); line-height: 1.3;
    }
    .section-lead {
      font-size: 15px; color: var(--text-sub);
      margin-top: 14px; line-height: 1.95;
    }

    /* ===== 統計バー ===== */
    #stats {
      background: var(--white);
      padding: 56px 24px;
      border-bottom: 1px solid #e8eef8;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 20px;
      max-width: 860px;
      margin: 0 auto;
    }
    .stat-card {
      text-align: center;
      padding: 28px 16px;
      background: var(--sky);
      border-radius: var(--radius);
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .stat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(30,91,171,0.12); }
    .stat-number {
      font-family: 'Noto Serif JP', serif;
      font-size: 44px; font-weight: 700;
      background: linear-gradient(135deg, var(--blue), var(--blue-mid));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.1; margin-bottom: 6px;
    }
    .stat-unit { font-size: 18px; }
    .stat-label { font-size: 12px; color: var(--text-sub); letter-spacing: 0.08em; }

    /* ===== サービス ===== */
    #services { background: var(--bg); }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }
    .service-card {
      background: var(--white);
      padding: 32px;
      border-radius: var(--radius);
      box-shadow: 0 4px 20px rgba(30,91,171,0.07);
      transition: transform 0.35s ease, box-shadow 0.35s ease;
      position: relative;
      overflow: hidden;
    }
    .service-card::after {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 4px;
      border-radius: var(--radius) var(--radius) 0 0;
    }
    .service-card:nth-child(1)::after { background: linear-gradient(90deg, #2E86DE, #6aaff5); }
    .service-card:nth-child(2)::after { background: linear-gradient(90deg, #00b8a9, #5df2d6); }
    .service-card:nth-child(3)::after { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
    .service-card:nth-child(4)::after { background: linear-gradient(90deg, #ff7043, #ffab91); }
    .service-card:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(30,91,171,0.14); }
    .service-card-icon { font-size: 32px; margin-bottom: 12px; display: block; }
    .service-card-title {
      font-size: 16px; font-weight: 700; color: var(--text);
      margin-bottom: 18px; padding-bottom: 14px;
      border-bottom: 1px solid #edf1f9;
    }
    .service-items { list-style: none; }
    .service-items li {
      display: flex; justify-content: space-between;
      align-items: baseline; font-size: 13px;
      color: var(--text-sub); padding: 7px 0;
      border-bottom: 1px dashed #edf1f9; gap: 8px;
      transition: color 0.2s;
    }
    .service-items li:last-child { border-bottom: none; }
    .service-items li:hover { color: var(--text); }
    .service-items .item-name { flex: 1; }
    .service-items .item-price { color: var(--blue); font-weight: 700; white-space: nowrap; }
    .service-note { font-size: 11px; color: #a0aec0; margin-top: 3px; display: block; }
    .service-memo {
      margin-top: 20px; padding: 16px;
      background: var(--sky);
      border-radius: var(--radius-sm);
      font-size: 13px; line-height: 2.2; color: var(--text);
    }

    /* ===== 強み ===== */
    #strengths { background: var(--white); }
    .strengths-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
    }
    .strength-item {
      padding: 36px 24px;
      background: var(--bg);
      border-radius: var(--radius);
      text-align: center;
      border: 1.5px solid #e8eef8;
      transition: all 0.35s ease;
      position: relative; overflow: hidden;
    }
    .strength-item:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 40px rgba(30,91,171,0.1);
      background: var(--white);
      border-color: var(--blue-light);
    }
    .strength-icon {
      font-size: 42px; margin-bottom: 16px;
      display: block;
      transition: transform 0.3s;
    }
    .strength-item:hover .strength-icon { transform: scale(1.15) rotate(-5deg); }
    .strength-title { color: var(--text); font-size: 15px; font-weight: 700; margin-bottom: 10px; }
    .strength-text { color: var(--text-sub); font-size: 13px; line-height: 1.9; }

    /* ===== 代表者 ===== */
    #about { background: var(--bg); }
    .about-inner {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 60px;
      align-items: start;
    }
    .about-card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 36px 28px;
      text-align: center;
      box-shadow: 0 4px 24px rgba(30,91,171,0.08);
      border: 1.5px solid #e8eef8;
    }
    .about-avatar {
      width: 90px; height: 90px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--blue), var(--blue-mid));
      display: flex; align-items: center; justify-content: center;
      font-size: 38px; margin: 0 auto 20px;
      box-shadow: 0 6px 20px rgba(30,91,171,0.25);
    }
    .about-card-name {
      font-family: 'Noto Serif JP', serif;
      font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 4px;
    }
    .about-card-ruby {
      font-size: 11px; color: var(--blue-mid);
      letter-spacing: 0.15em; margin-bottom: 20px;
    }
    .about-licenses {
      display: flex; flex-direction: column; gap: 8px;
      padding-top: 20px;
      border-top: 1px dashed #e0e8f4;
    }
    .license-tag {
      background: var(--sky);
      color: var(--blue);
      font-size: 12px; font-weight: 700;
      padding: 7px 0;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(30,91,171,0.15);
    }
    .about-text-area .section-label { margin-bottom: 10px; }
    .about-message {
      font-size: 15px; color: var(--text-sub);
      line-height: 2.2; margin-top: 20px;
    }
    .about-message em {
      font-style: normal; color: var(--blue); font-weight: 700;
    }

    /* ===== アクセス ===== */
    #access { background: var(--white); }
    .access-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: start;
    }
    .access-map {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: 0 4px 24px rgba(30,91,171,0.1);
      border: 1.5px solid #e8eef8;
    }
    .access-map iframe {
      display: block; width: 100%; height: 320px; border: 0;
    }
    .access-info { display: flex; flex-direction: column; gap: 16px; }
    .access-item {
      background: var(--bg);
      border-radius: var(--radius-sm);
      padding: 20px 22px;
      border: 1.5px solid #e8eef8;
      transition: border-color 0.2s;
    }
    .access-item:hover { border-color: var(--blue-light); }
    .access-item-label {
      font-size: 10px; font-weight: 700;
      color: var(--blue-mid); letter-spacing: 0.2em;
      margin-bottom: 6px;
    }
    .access-item-value {
      font-size: 14px; color: var(--text); font-weight: 500; line-height: 1.7;
    }

    /* ===== お問い合わせ ===== */
    #contact {
      background: linear-gradient(135deg, #0d2a56 0%, #1e4d9e 100%);
    }
    #contact .section-title { color: var(--white); }
    #contact .section-lead { color: rgba(255,255,255,0.6); }
    #contact .section-label { color: rgba(240,165,0,0.9); }
    #contact .section-label::before { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }

    .contact-card {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--radius);
      padding: 52px;
      backdrop-filter: blur(12px);
      position: relative; overflow: hidden;
    }
    .contact-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 3px;
      background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
      background-size: 200%;
      animation: shimmer 3s linear infinite;
      border-radius: var(--radius) var(--radius) 0 0;
    }
    .contact-free {
      display: inline-block;
      background: linear-gradient(135deg, var(--gold), var(--gold-light));
      color: #1a2a00; font-size: 11px; font-weight: 700;
      padding: 5px 20px; border-radius: 100px;
      margin-bottom: 20px; letter-spacing: 0.15em;
    }
    .contact-note { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 36px; line-height: 2; }
    .contact-info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
      gap: 16px; margin-bottom: 40px;
    }
    .contact-info-item {
      padding: 18px 20px;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius-sm);
      transition: all 0.3s;
    }
    .contact-info-item:hover {
      background: rgba(240,165,0,0.08);
      border-color: rgba(240,165,0,0.3);
    }
    .contact-info-label {
      font-size: 10px; color: var(--gold);
      font-weight: 700; letter-spacing: 0.2em; margin-bottom: 8px;
    }
    .contact-info-value { font-size: 14px; color: rgba(255,255,255,0.85); font-weight: 500; line-height: 1.7; }
    .contact-buttons {
      display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
    }
    .contact-btn {
      display: inline-flex; align-items: center; gap: 8px;
      background: linear-gradient(135deg, var(--gold), var(--gold-light));
      color: #1a2a00;
      text-decoration: none; font-weight: 700; font-size: 14px;
      padding: 14px 36px;
      border-radius: 100px;
      transition: all 0.3s;
      position: relative; overflow: hidden;
    }
    .contact-btn::before {
      content: '';
      position: absolute; top: 0; left: -100%;
      width: 100%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      transition: left 0.5s;
    }
    .contact-btn:hover::before { left: 100%; }
    .contact-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(240,165,0,0.4); }

    .contact-tel-btn {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(255,255,255,0.1);
      border: 1.5px solid rgba(255,255,255,0.25);
      color: var(--white);
      text-decoration: none; font-weight: 700; font-size: 14px;
      padding: 14px 32px; border-radius: 100px;
      transition: all 0.3s;
    }
    .contact-tel-btn:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }

    .sns-btn {
      display: inline-flex; align-items: center; gap: 10px;
      text-decoration: none; font-weight: 700; font-size: 14px;
      padding: 14px 28px; border-radius: 100px;
      transition: all 0.3s; position: relative; overflow: hidden;
    }
    .sns-btn::before {
      content: '';
      position: absolute; top: 0; left: -100%;
      width: 100%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
      transition: left 0.5s;
    }
    .sns-btn:hover::before { left: 100%; }
    .sns-btn:hover { transform: translateY(-3px); }
    .sns-btn-instagram {
      background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
      color: #fff;
    }
    .sns-btn-instagram:hover { box-shadow: 0 10px 28px rgba(220,39,67,0.4); }
    .sns-btn-line { background: #06C755; color: #fff; }
    .sns-btn-line:hover { box-shadow: 0 10px 28px rgba(6,199,85,0.4); }
    .sns-btn-icon { width: 20px; height: 20px; flex-shrink: 0; }

    /* ===== フッター ===== */
    footer {
      background: #070f1a;
      color: rgba(255,255,255,0.4);
      text-align: center;
      padding: 44px 24px;
      font-size: 12px; letter-spacing: 0.05em;
    }
    .footer-name { color: var(--white); font-size: 15px; font-weight: 700; margin-bottom: 8px; }
    .footer-address { margin-bottom: 20px; }
    .footer-divider { width: 32px; height: 2px; background: rgba(240,165,0,0.3); border-radius: 2px; margin: 16px auto; }
    .footer-copy { color: rgba(255,255,255,0.2); font-size: 11px; }

    @keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
    @keyframes fadeInUp   { from { opacity: 0; transform: translateY(20px);  } to { opacity: 1; transform: translateY(0); } }
    @keyframes fadeIn     { from { opacity: 0; } to { opacity: 1; } }

    @media (max-width: 768px) {
      header { padding: 0 20px; }
      nav { display: none; }
      .about-inner { grid-template-columns: 1fr; gap: 28px; }
      .access-inner { grid-template-columns: 1fr; }
      .contact-card { padding: 28px 20px; }
    }