/* ============================================
   夢のバンドフェス2026 - Application Form
   Summer × Studio Ours24 Stylish Theme
   ============================================ */
:root {
    --bg-primary: #070b14;
    --bg-secondary: #0c1220;
    --bg-card: rgba(255, 255, 255, 0.035);
    --bg-card-border: rgba(255, 255, 255, 0.06);
    --accent-primary: #06b6d4;
    --accent-primary-glow: rgba(6, 182, 212, 0.25);
    --accent-secondary: #f97316;
    --accent-gradient: linear-gradient(135deg, #06b6d4, #0ea5e9, #f97316);
    --accent-gradient-warm: linear-gradient(135deg, #f97316, #fb923c, #fbbf24);
    --accent-gradient-cool: linear-gradient(135deg, #06b6d4, #22d3ee, #67e8f9);
    --text-primary: #eef2f7;
    --text-secondary: rgba(238, 242, 247, 0.6);
    --text-dim: rgba(238, 242, 247, 0.3);
    --success: #10b981;
    --error: #f43f5e;
    --font-body: 'Noto Sans JP', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 24px;
    --transition-fast: 150ms ease; --transition-base: 250ms ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); color: var(--text-primary); background: var(--bg-primary); line-height: 1.7; }
.container { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }

/* HERO */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; overflow: hidden; padding: 2rem; }
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse at 15% 60%, rgba(6,182,212,0.12), transparent 55%),
        radial-gradient(ellipse at 85% 40%, rgba(249,115,22,0.10), transparent 55%),
        radial-gradient(ellipse at 50% 10%, rgba(14,165,233,0.08), transparent 45%),
        radial-gradient(ellipse at 50% 100%, rgba(249,115,22,0.06), transparent 40%),
        var(--bg-primary);
}
.hero-bg::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle at 25% 25%, rgba(255,255,255,0.012) 1px, transparent 1px), radial-gradient(circle at 75% 75%, rgba(255,255,255,0.012) 1px, transparent 1px); background-size: 60px 60px; }
.hero-content { position: relative; z-index: 1; }
.hero-date { font-family: var(--font-display); font-size: clamp(0.9rem,2vw,1.1rem); font-weight: 600; color: var(--text-secondary); letter-spacing: 0.3em; margin-bottom: 1.5rem; }
.hero-date-sep { color: var(--accent-primary); font-weight: 700; }
.hero-title { margin-bottom: 1rem; line-height: 1.1; }
.hero-title-jp { display: block; font-size: clamp(2rem,6vw,3.5rem); font-weight: 900; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: 0.05em; }
.hero-title-year { display: block; font-family: var(--font-display); font-size: clamp(4rem,12vw,8rem); font-weight: 900; color: var(--text-primary); letter-spacing: -0.02em; line-height: 1; }
.hero-subtitle { font-family: var(--font-display); font-size: clamp(1rem,2.5vw,1.4rem); font-weight: 700; color: var(--accent-secondary); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 3rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.badge { padding: 0.5rem 1.2rem; background: var(--bg-card); border: 1px solid var(--bg-card-border); border-radius: 100px; font-family: var(--font-display); font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.12em; }
.badge-accent { background: rgba(6,182,212,0.1); border-color: rgba(6,182,212,0.25); color: var(--accent-primary); animation: pulse-badge 2.5s ease-in-out infinite; }
@keyframes pulse-badge { 0%,100%{box-shadow:0 0 0 0 rgba(6,182,212,0.2)} 50%{box-shadow:0 0 0 10px rgba(6,182,212,0)} }
.hero-scroll { position: absolute; bottom: 3rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: var(--text-dim); font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.2em; z-index: 1; }
.hero-scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--text-dim), transparent); animation: scroll-line 2s ease-in-out infinite; }
@keyframes scroll-line { 0%{opacity:0;transform:scaleY(0);transform-origin:top} 50%{opacity:1;transform:scaleY(1);transform-origin:top} 50.01%{transform-origin:bottom} 100%{opacity:0;transform:scaleY(0);transform-origin:bottom} }

/* SECTIONS */
.section-title { font-family: var(--font-display); font-size: clamp(1.5rem,4vw,2rem); font-weight: 800; text-align: center; margin-bottom: 3rem; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.event-info { padding: 4rem 0; background: var(--bg-secondary); border-top: 1px solid var(--bg-card-border); border-bottom: 1px solid var(--bg-card-border); }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.info-card { padding: 2rem; background: var(--bg-card); border: 1px solid var(--bg-card-border); border-radius: var(--radius-lg); text-align: center; transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
.info-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(6,182,212,0.08); border-color: rgba(6,182,212,0.15); }
.info-card-icon { margin-bottom: 1rem; color: var(--accent-primary); }
.info-card h3 { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; color: var(--accent-primary); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 0.75rem; }
.info-main { font-size: 1.1rem; font-weight: 700; } .info-main small { font-size: 0.8rem; font-weight: 400; color: var(--text-secondary); }
.info-sub { font-size: 0.9rem; color: var(--text-secondary); margin-top: 0.25rem; } .info-sub.note { color: var(--accent-secondary); font-weight: 500; font-size: 0.8rem; }

/* FEE MATRIX */
.info-card--fee { grid-column: 1 / -1; }
.fee-unit { font-size: 0.6rem; font-weight: 400; color: var(--text-secondary); letter-spacing: 0.05em; margin-left: 0.25em; text-transform: none; }
.fee-matrix { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 0.75rem; font-size: 0.9rem; }
.fee-matrix th, .fee-matrix td { padding: 0.6rem 0.75rem; text-align: center; border-bottom: 1px solid var(--bg-card-border); }
.fee-matrix thead th { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; color: var(--accent-primary); letter-spacing: 0.1em; padding-bottom: 0.75rem; }
.fee-matrix thead th:first-child { text-align: left; }
.fee-matrix .fee-row-label { text-align: left; font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); white-space: nowrap; }
.fee-matrix tbody td:not(.fee-row-label) { font-family: var(--font-display); font-weight: 700; color: var(--text-primary); transition: all 0.2s; }
.fee-matrix tbody tr:last-child td { border-bottom: none; }
.fee-matrix tbody tr:hover td:not(.fee-row-label) { color: var(--accent-primary); background: rgba(6,182,212,0.06); }
.fee-note { font-size: 0.75rem; color: var(--accent-secondary); margin-top: 0.75rem; font-weight: 500; }
.form-section { padding: 4rem 0; }
.form-note { text-align: center; color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 3rem; line-height: 1.8; }

/* FORM CARDS */
.form-card { background: var(--bg-card); border: 1px solid var(--bg-card-border); border-radius: var(--radius-lg); padding: 2rem; margin-bottom: 1.5rem; backdrop-filter: blur(10px); transition: border-color 0.25s; }
.form-card:hover { border-color: rgba(255,255,255,0.1); }
.form-card--price { border-color: rgba(6,182,212,0.15); background: linear-gradient(135deg, rgba(6,182,212,0.04), rgba(249,115,22,0.03)); }
.form-card-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--bg-card-border); }
.form-card-number { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; min-width: 2.5rem; }
.form-card-header h3 { font-size: 1.1rem; font-weight: 700; }

/* FORM ELEMENTS */
.form-group { margin-bottom: 2rem; } .form-group:last-child { margin-bottom: 0; }
.form-label { display: block; font-size: 0.9rem; font-weight: 700; margin-bottom: 0.5rem; }
.required-mark { color: var(--error); font-weight: 700; }
.form-hint { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.25rem; margin-bottom: 0.5rem; }
.form-hint--discount { color: var(--accent-primary); background: rgba(6,182,212,0.08); border: 1px solid rgba(6,182,212,0.15); border-radius: var(--radius-sm); padding: 0.5rem 0.75rem; font-weight: 500; }
.form-input { width: 100%; padding: 0.85rem 1rem; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-sm); color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem; transition: border-color 0.15s, box-shadow 0.15s; outline: none; }
.form-input::placeholder { color: var(--text-dim); }
.form-input:focus { border-color: var(--accent-primary); box-shadow: 0 0 0 3px var(--accent-primary-glow); }
.form-input.is-error { border-color: var(--error); box-shadow: 0 0 0 3px rgba(244,63,94,0.15); }
.form-input--short { max-width: 160px; }
.form-textarea { resize: vertical; min-height: 100px; }

/* RADIO CARDS */
.radio-group--large { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.radio-card { display: flex; flex-direction: column; align-items: center; gap: 0.75rem; padding: 1.5rem 1rem; background: rgba(255,255,255,0.02); border: 2px solid rgba(255,255,255,0.06); border-radius: var(--radius-md); cursor: pointer; transition: all 0.3s; text-align: center; }
.radio-card:hover { background: rgba(6,182,212,0.04); border-color: rgba(6,182,212,0.2); }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card:has(input:checked) { background: rgba(6,182,212,0.08); border-color: var(--accent-primary); box-shadow: 0 0 24px var(--accent-primary-glow); }
.radio-card-icon { line-height: 1; color: var(--text-secondary); transition: color 0.3s; }
.radio-card:has(input:checked) .radio-card-icon { color: var(--accent-primary); }
.radio-card-label { font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.1em; color: var(--text-secondary); transition: color 0.3s; }
.radio-card:has(input:checked) .radio-card-label { color: var(--text-primary); }

/* RADIO PILLS */
.radio-group { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.radio-pill { display: inline-flex; align-items: center; cursor: pointer; }
.radio-pill input { position: absolute; opacity: 0; pointer-events: none; }
.radio-pill span { display: inline-block; padding: 0.6rem 1.2rem; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 100px; font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); transition: all 0.2s; white-space: nowrap; }
.radio-pill:hover span { background: rgba(6,182,212,0.06); border-color: rgba(6,182,212,0.2); color: var(--text-primary); }
.radio-pill input:checked + span { background: rgba(6,182,212,0.12); border-color: var(--accent-primary); color: var(--accent-primary); font-weight: 700; }

/* CHECKBOX */
.checkbox-label { display: flex; align-items: flex-start; gap: 1rem; cursor: pointer; font-size: 0.9rem; line-height: 1.5; }
.checkbox-label input { position: absolute; opacity: 0; pointer-events: none; }
.checkbox-custom { flex-shrink: 0; width: 22px; height: 22px; background: rgba(255,255,255,0.04); border: 2px solid rgba(255,255,255,0.12); border-radius: 6px; margin-top: 2px; position: relative; transition: all 0.15s; }
.checkbox-label input:checked + .checkbox-custom { background: var(--accent-primary); border-color: var(--accent-primary); }
.checkbox-label input:checked + .checkbox-custom::after { content: ''; position: absolute; top: 3px; left: 6px; width: 6px; height: 10px; border: 2px solid white; border-top: none; border-left: none; transform: rotate(45deg); }

/* STUDIO USER */
.studio-user-row { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; animation: fadeSlideIn 0.25s; }
.studio-user-row .form-input { flex: 1; }
.btn-remove { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; background: rgba(244,63,94,0.08); border: 1px solid rgba(244,63,94,0.15); border-radius: var(--radius-sm); color: var(--error); cursor: pointer; font-size: 1.2rem; transition: all 0.15s; flex-shrink: 0; }
.btn-remove:hover { background: rgba(244,63,94,0.15); }
.btn-add { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; background: transparent; border: 1px dashed rgba(255,255,255,0.12); border-radius: var(--radius-sm); color: var(--text-secondary); font-family: var(--font-body); font-size: 0.85rem; cursor: pointer; transition: all 0.15s; margin-top: 0.5rem; }
.btn-add:hover { border-color: var(--accent-primary); color: var(--accent-primary); background: rgba(6,182,212,0.04); }
.conditional-group { padding: 1.5rem; background: rgba(6,182,212,0.02); border: 1px solid rgba(6,182,212,0.08); border-radius: var(--radius-md); animation: fadeSlideIn 0.25s; }

/* PRICE */
.price-display { padding: 1.5rem; background: rgba(0,0,0,0.2); border-radius: var(--radius-md); }
.price-breakdown { margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--bg-card-border); }
.price-line { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.25rem; }
.price-total { display: flex; align-items: center; justify-content: space-between; }
.price-total-label { font-size: 1rem; font-weight: 700; color: var(--text-secondary); }
.price-total-amount { font-family: var(--font-display); font-size: 2rem; font-weight: 900; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* TERMS */
.terms-box { padding: 1.5rem; background: rgba(255,255,255,0.02); border: 1px solid var(--bg-card-border); border-radius: var(--radius-sm); margin-bottom: 1.5rem; max-height: 200px; overflow-y: auto; font-size: 0.85rem; color: var(--text-secondary); line-height: 1.8; }

/* SUBMIT */
.btn-submit { display: flex; align-items: center; justify-content: center; width: 100%; padding: 1rem; margin-top: 2rem; background: var(--accent-gradient); border: none; border-radius: var(--radius-md); color: white; font-family: var(--font-body); font-size: 1.05rem; font-weight: 700; cursor: pointer; transition: all 0.3s; position: relative; overflow: hidden; }
.btn-submit::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent); opacity: 0; transition: opacity 0.2s; }
.btn-submit:hover::before { opacity: 1; }
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-primary-glow); }
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3); border-top-color: white; border-radius: 50%; animation: spin 0.6s linear infinite; margin-right: 0.5rem; vertical-align: middle; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ERROR */
.error-message { font-size: 0.8rem; color: var(--error); margin-top: 0.25rem; min-height: 0; opacity: 0; transform: translateY(-4px); transition: all 0.15s; }
.error-message.is-visible { opacity: 1; transform: translateY(0); min-height: 1.2em; }

/* OVERLAY */
.overlay { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.85); backdrop-filter: blur(10px); padding: 2rem; animation: fadeIn 0.4s; }
.overlay-content { max-width: 480px; width: 100%; background: var(--bg-secondary); border: 1px solid var(--bg-card-border); border-radius: var(--radius-xl); padding: 3rem; text-align: center; animation: scaleIn 0.4s; }
.overlay-icon { margin-bottom: 1.5rem; color: var(--accent-primary); }
.overlay-content h2 { font-size: 1.3rem; margin-bottom: 1rem; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.overlay-content p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.5rem; line-height: 1.7; }
.overlay-email { font-weight: 700; color: var(--accent-primary) !important; font-size: 1rem !important; }
.overlay-notice { margin-top: 1.5rem; padding: 1rem; background: rgba(249,115,22,0.06); border: 1px solid rgba(249,115,22,0.15); border-radius: var(--radius-sm); }
.overlay-notice p { color: var(--accent-secondary) !important; font-size: 0.8rem !important; margin-bottom: 0.25rem !important; }
.overlay-receipt { margin-top: 1.5rem !important; font-family: var(--font-display); color: var(--text-primary) !important; font-size: 1rem !important; }

/* FOOTER */
.footer { padding: 3rem 0; text-align: center; border-top: 1px solid var(--bg-card-border); }
.footer p { font-size: 0.8rem; color: var(--text-dim); }

/* ANIMATIONS */
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes scaleIn { from{opacity:0;transform:scale(0.95)} to{opacity:1;transform:scale(1)} }
@keyframes fadeSlideIn { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:translateY(0)} }

/* ========================================
   RESPONSIVE DESIGN
   - Large Desktop: 1200px+
   - Desktop: 1024-1200px (default)
   - Tablet Landscape: 768-1024px
   - Tablet Portrait: 640-768px
   - Large Mobile: 480-640px
   - Small Mobile: < 480px
   ======================================== */

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
    .container { max-width: 780px; }
    .hero { padding: 3rem; }
    .info-card { padding: 2.5rem; }
    .form-card { padding: 2.5rem; }
}

/* Tablet Landscape (768px - 1024px) */
@media (max-width: 1024px) {
    .container { max-width: 680px; }
    .hero { min-height: 90vh; }
    .event-info { padding: 3.5rem 0; }
    .form-section { padding: 3.5rem 0; }
    .section-title { margin-bottom: 2.5rem; }
}

/* Tablet Portrait (640px - 768px) */
@media (max-width: 768px) {
    .container { max-width: 100%; padding: 0 1.25rem; }
    .hero { min-height: 85vh; padding: 2rem 1.5rem; }
    .hero-title-year { font-size: clamp(3.5rem, 10vw, 6rem); }
    .hero-subtitle { margin-bottom: 2.5rem; }
    .info-grid { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
    .info-card { padding: 1.5rem 1rem; }
    .info-card-icon svg { width: 24px; height: 24px; }
    .info-card h3 { font-size: 0.7rem; }
    .info-main { font-size: 0.95rem; }
    .info-sub { font-size: 0.8rem; }
    .form-card { padding: 1.75rem; }
    .form-card-header { margin-bottom: 1.5rem; }
    .radio-card { padding: 1.25rem 1rem; }
    .overlay-content { padding: 2.5rem 2rem; }
}

/* Large Mobile (480px - 640px) */
@media (max-width: 640px) {
    .container { padding: 0 1rem; }
    .hero { min-height: 100vh; min-height: 100dvh; padding: 2rem 1rem; }
    .hero-date { font-size: 0.8rem; letter-spacing: 0.2em; margin-bottom: 1rem; }
    .hero-title-jp { font-size: 1.8rem; }
    .hero-title-year { font-size: 4rem; }
    .hero-subtitle { font-size: 0.85rem; letter-spacing: 0.1em; margin-bottom: 2rem; }
    .hero-badges { gap: 0.4rem; }
    .badge { padding: 0.4rem 0.8rem; font-size: 0.7rem; }
    .hero-scroll { bottom: 2rem; }

    .event-info { padding: 3rem 0; }
    .section-title { font-size: 1.3rem; margin-bottom: 2rem; }
    .info-grid { grid-template-columns: 1fr; gap: 0.75rem; }
    .info-card { padding: 1.25rem; display: flex; flex-direction: column; align-items: center; }
    .info-card-icon { margin-bottom: 0.5rem; }

    .form-section { padding: 3rem 0; }
    .form-note { font-size: 0.8rem; margin-bottom: 2rem; }
    .form-card { padding: 1.5rem; margin-bottom: 1rem; }
    .form-card-header { margin-bottom: 1.5rem; padding-bottom: 0.75rem; gap: 0.75rem; }
    .form-card-number { font-size: 1.3rem; min-width: 2rem; }
    .form-card-header h3 { font-size: 1rem; }
    .form-group { margin-bottom: 1.5rem; }
    .form-label { font-size: 0.85rem; }
    .form-input { padding: 0.75rem 0.85rem; font-size: 0.9rem; }
    .form-hint { font-size: 0.75rem; }

    .radio-group--large { grid-template-columns: 1fr; gap: 0.5rem; }
    .radio-card { flex-direction: row; padding: 1rem 1.25rem; gap: 1rem; }
    .radio-card-icon svg { width: 28px; height: 28px; }
    .radio-card-label { font-size: 0.85rem; }

    .radio-group { flex-direction: column; gap: 0.4rem; }
    .radio-pill span { display: block; text-align: center; width: 100%; padding: 0.65rem 1rem; font-size: 0.85rem; }

    .price-display { padding: 1.25rem; }
    .price-total-amount { font-size: 1.5rem; }

    .btn-submit { padding: 0.9rem; font-size: 0.95rem; margin-top: 1.5rem; }

    .overlay { padding: 1rem; }
    .overlay-content { padding: 2rem 1.5rem; border-radius: var(--radius-lg); }
    .overlay-content h2 { font-size: 1.1rem; }
    .overlay-icon svg { width: 40px; height: 40px; }

    .footer { padding: 2rem 0; }
    .footer p { font-size: 0.75rem; }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
    .container { padding: 0 0.75rem; }
    .hero { padding: 1.5rem 0.75rem; }
    .hero-title-jp { font-size: 1.5rem; }
    .hero-title-year { font-size: 3.5rem; }
    .hero-subtitle { font-size: 0.75rem; }
    .hero-badges { gap: 0.3rem; }
    .badge { padding: 0.35rem 0.65rem; font-size: 0.65rem; letter-spacing: 0.08em; }

    .section-title { font-size: 1.15rem; }
    .info-card { padding: 1rem; }
    .info-main { font-size: 0.9rem; }

    .form-card { padding: 1.25rem; border-radius: var(--radius-md); }
    .form-card-number { font-size: 1.1rem; }
    .form-card-header h3 { font-size: 0.9rem; }
    .form-input { padding: 0.7rem 0.75rem; font-size: 0.85rem; border-radius: 6px; }

    .radio-card { padding: 0.85rem 1rem; gap: 0.75rem; border-radius: var(--radius-sm); }
    .radio-card-icon svg { width: 24px; height: 24px; }
    .radio-card-label { font-size: 0.8rem; }
    .radio-pill span { padding: 0.55rem 0.85rem; font-size: 0.8rem; }

    .conditional-group { padding: 1rem; }

    .overlay-content { padding: 1.5rem 1rem; }
    .overlay-content h2 { font-size: 1rem; }
    .overlay-notice { padding: 0.75rem; }

    .btn-submit { border-radius: var(--radius-sm); }
}

/* Touch device optimization */
@media (hover: none) and (pointer: coarse) {
    .radio-card { min-height: 56px; }
    .radio-pill span { min-height: 44px; display: flex; align-items: center; justify-content: center; }
    .btn-submit { min-height: 52px; }
    .btn-remove { min-width: 44px; min-height: 44px; }
    .btn-add { min-height: 44px; }
    .checkbox-custom { width: 24px; height: 24px; }
    .form-input { min-height: 48px; }
}