:root {
  --primary: #2c2c2c;
  --accent: #d4601a;
  --accent2: #e8813a;
  --light: #faf8f5;
  --white: #ffffff;
  --text: #2c2c2c;
  --gray: #999;
  --border: #e8e2d8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
}

/* ===== MOBILE STYLES ===== */
@media screen and (max-width: 767px) {
  a[href^="tel:"] { text-decoration: none; }

  header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.97);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    height: 56px;
  }
  .logo {
    font-family: 'Noto Serif JP', serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 0.04em;
    line-height: 1.3;
  }
  .logo span {
    display: block;
    font-size: 0.55rem;
    font-weight: 300;
    color: var(--gray);
    letter-spacing: 0.15em;
    margin-top: 2px;
    font-family: 'Noto Sans JP', sans-serif;
  }
  nav { display: none; }

  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 2px;
    z-index: 200;
  }
  .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-nav {
    display: none;
    position: fixed;
    top: 56px; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    z-index: 150;
    flex-direction: column;
    padding: 32px 24px;
    overflow-y: auto;
  }
  .mobile-nav.open { display: flex; }
  .mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: var(--text);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
  }
  .mobile-nav a::after { content: '→'; color: var(--accent); font-size: 0.9rem; }
  .mobile-nav a.nav-contact { color: var(--accent); font-weight: 700; }
  .mobile-nav-tel {
    margin-top: 32px;
    text-align: center;
    padding: 24px;
    background: var(--light);
    border-radius: 4px;
  }
  .mobile-nav-tel .label {
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    color: var(--gray);
    margin-bottom: 8px;
    font-weight: 300;
  }
  .mobile-nav-tel a {
    display: block;
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    border: none;
    padding: 0;
    justify-content: center;
  }
  .mobile-nav-tel a::after { display: none; }
  .mobile-nav-tel .hours {
    font-size: 0.72rem;
    color: var(--gray);
    margin-top: 6px;
    font-weight: 300;
    line-height: 1.7;
  }

  /* PAGE HERO */
  .page-hero {
    margin-top: 56px;
    background: linear-gradient(135deg, #b84d10 0%, #d4601a 45%, #e8813a 75%, #f0a060 100%);
    padding: 48px 20px 44px;
    position: relative;
    overflow: hidden;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 75% 25%, rgba(255,220,180,0.18) 0%, transparent 50%);
  }
  .page-hero-inner {
    position: relative;
    z-index: 1;
  }
  .page-hero-en {
    font-size: 0.65rem;
    letter-spacing: 0.28em;
    color: rgba(255,255,255,0.7);
    display: block;
    margin-bottom: 10px;
    font-weight: 300;
    text-transform: uppercase;
  }
  .page-hero h1 {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
  }
  .breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.72rem;
    color: rgba(255,255,255,0.65);
  }
  .breadcrumb a { color: rgba(255,255,255,0.65); text-decoration: none; }
  .breadcrumb span { opacity: 0.5; }

  /* CONTENT */
  .content-section { padding: 48px 16px 64px; background: var(--white); }
  .content-inner { max-width: 100%; }

  .policy-intro {
    font-size: 0.88rem;
    line-height: 2.1;
    color: #444;
    font-weight: 300;
    margin-bottom: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
  }

  .policy-block { margin-bottom: 36px; }
  .policy-block h2 {
    font-family: 'Noto Serif JP', serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.05em;
    margin-bottom: 14px;
    padding-left: 14px;
    border-left: 3px solid var(--accent);
  }
  .policy-block p {
    font-size: 0.85rem;
    line-height: 2.1;
    color: #555;
    font-weight: 300;
    margin-bottom: 12px;
  }
  .policy-block ul {
    list-style: none;
    margin: 10px 0 12px;
  }
  .policy-block ul li {
    font-size: 0.85rem;
    line-height: 2;
    color: #555;
    font-weight: 300;
    padding-left: 16px;
    position: relative;
  }
  .policy-block ul li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--accent);
  }

  .policy-date {
    text-align: right;
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 300;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }

  .back-section {
    text-align: center;
    margin-top: 40px;
  }
  .back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 13px 28px;
    border-radius: 2px;
    font-size: 0.83rem;
    font-weight: 600;
    letter-spacing: 0.08em;
  }

  /* FOOTER */
  footer {
    background: #1e1e1e;
    color: rgba(255,255,255,0.75);
    padding: 40px 16px 24px;
  }
  .footer-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
  }
  .footer-inner > div:first-child { grid-column: 1 / -1; }
  .footer-logo {
    font-family: 'Noto Serif JP', serif;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
  }
  .footer-sub {
    font-size: 0.62rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.14em;
    margin-bottom: 14px;
  }
  .footer-address {
    font-size: 0.74rem;
    line-height: 2;
    font-weight: 300;
    color: rgba(255,255,255,0.55);
  }
  .footer-address a { color: var(--accent); text-decoration: none; }
  .footer-nav h4 {
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    color: var(--accent);
    margin-bottom: 12px;
    font-weight: 500;
    text-transform: uppercase;
  }
  .footer-nav ul { list-style: none; }
  .footer-nav ul li { margin-bottom: 8px; }
  .footer-nav ul li a {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-weight: 300;
  }
  .footer-copy {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.3);
    text-align: center;
    letter-spacing: 0.06em;
  }

  .scroll-top {
    position: fixed;
    bottom: 20px;
    right: 16px;
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    z-index: 99;
  }
}

/* ===== PC STYLES ===== */
@media screen and (min-width: 768px) {
  a[href^="tel:"] { pointer-events: none; text-decoration: none; color: inherit; }

  .hamburger { display: none; }
  .mobile-nav { display: none !important; }

  header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.97);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
  }
  .header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 70px;
  }
  .logo {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 0.06em;
    line-height: 1.3;
  }
  .logo span {
    display: block;
    font-size: 0.62rem;
    font-weight: 300;
    color: var(--gray);
    letter-spacing: 0.22em;
    margin-top: 3px;
    font-family: 'Noto Sans JP', sans-serif;
  }
  nav {
    display: flex;
    gap: 4px;
    align-items: center;
  }
  nav a {
    text-decoration: none;
    color: var(--text);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    font-weight: 400;
    transition: color 0.2s;
    padding: 6px 12px;
    text-align: center;
    line-height: 1.4;
  }
  nav a .en {
    display: block;
    font-size: 0.6rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    font-weight: 500;
  }
  nav a:hover { color: var(--accent); }
  .nav-contact {
    background: var(--primary) !important;
    color: white !important;
    border-radius: 2px;
    padding: 10px 18px !important;
    transition: background 0.2s !important;
  }
  .nav-contact:hover { background: var(--accent) !important; }
  .nav-contact .en { color: rgba(255,255,255,0.7) !important; }

  /* PAGE HERO */
  .page-hero {
    margin-top: 70px;
    background: linear-gradient(135deg, #b84d10 0%, #d4601a 45%, #e8813a 75%, #f0a060 100%);
    padding: 72px 24px 64px;
    position: relative;
    overflow: hidden;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(circle at 75% 25%, rgba(255,220,180,0.18) 0%, transparent 50%),
      radial-gradient(circle at 25% 75%, rgba(180,80,20,0.15) 0%, transparent 50%);
  }
  .page-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }
  .page-hero-en {
    font-size: 0.72rem;
    letter-spacing: 0.35em;
    color: rgba(255,255,255,0.7);
    display: block;
    margin-bottom: 14px;
    font-weight: 300;
    text-transform: uppercase;
  }
  .page-hero h1 {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
  }
  .breadcrumb {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.65);
  }
  .breadcrumb a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: color 0.2s;
  }
  .breadcrumb a:hover { color: white; }
  .breadcrumb span { opacity: 0.5; }

  /* CONTENT */
  .content-section {
    padding: 80px 24px 96px;
    background: var(--white);
  }
  .content-inner {
    max-width: 820px;
    margin: 0 auto;
  }

  .policy-intro {
    font-size: 0.93rem;
    line-height: 2.2;
    color: #444;
    font-weight: 300;
    margin-bottom: 56px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border);
  }

  .policy-block { margin-bottom: 48px; }
  .policy-block h2 {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.06em;
    margin-bottom: 18px;
    padding-left: 16px;
    border-left: 3px solid var(--accent);
  }
  .policy-block p {
    font-size: 0.88rem;
    line-height: 2.2;
    color: #555;
    font-weight: 300;
    margin-bottom: 14px;
  }
  .policy-block ul {
    list-style: none;
    margin: 12px 0 14px;
  }
  .policy-block ul li {
    font-size: 0.88rem;
    line-height: 2.1;
    color: #555;
    font-weight: 300;
    padding-left: 18px;
    position: relative;
  }
  .policy-block ul li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--accent);
  }

  .policy-date {
    text-align: right;
    font-size: 0.83rem;
    color: var(--gray);
    font-weight: 300;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
  }

  .back-section {
    text-align: center;
    margin-top: 56px;
  }
  .back-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 14px 36px;
    border-radius: 2px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    transition: background 0.2s, transform 0.2s;
  }
  .back-btn:hover { background: var(--accent); transform: translateY(-2px); }

  /* FOOTER */
  footer { background: #1e1e1e; color: rgba(255,255,255,0.75); padding: 56px 24px 28px; }
  .footer-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 28px; }
  .footer-logo { font-family: 'Noto Serif JP', serif; font-size: 1.15rem; font-weight: 700; color: white; margin-bottom: 6px; }
  .footer-sub { font-size: 0.68rem; color: rgba(255,255,255,0.4); letter-spacing: 0.15em; margin-bottom: 18px; }
  .footer-address { font-size: 0.77rem; line-height: 2; font-weight: 300; color: rgba(255,255,255,0.55); }
  .footer-address a { color: var(--accent); text-decoration: none; }
  .footer-nav h4 { font-size: 0.65rem; letter-spacing: 0.25em; color: var(--accent); margin-bottom: 16px; font-weight: 500; text-transform: uppercase; }
  .footer-nav ul { list-style: none; }
  .footer-nav ul li { margin-bottom: 10px; }
  .footer-nav ul li a { font-size: 0.78rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.2s; font-weight: 300; letter-spacing: 0.05em; }
  .footer-nav ul li a:hover { color: white; }
  .footer-copy { max-width: 1100px; margin: 0 auto; font-size: 0.7rem; color: rgba(255,255,255,0.3); text-align: center; letter-spacing: 0.1em; }

  .scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    z-index: 99;
  }
  .scroll-top:hover { background: var(--accent); transform: translateY(-3px); }
}

/* TABLET */
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .header-inner { padding: 0 16px; }
  nav a { padding: 6px 8px; font-size: 0.68rem; }
  .footer-inner { grid-template-columns: 1.2fr 1fr 1fr 1fr; }
  .footer-inner > div:nth-last-child(-n+2):not(:first-child) { display: none; }
}