/* ─── Reset & Variables ─────────────────────────────────────── */
:root {
    --bg-dark: #0a0e17;
    --bg-panel: rgba(255,255,255,0.03);
    --bg-panel-hover: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.08);
    --primary: #2563eb;
    --primary-glow: rgba(37,99,235,0.35);
    --green: #0d6938;
    --green-light: #10a855;
    --green-glow: rgba(13,105,56,0.35);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font: 'Montserrat','Noto Sans JP',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg-dark); color: var(--text-main); font-family: var(--font); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* ─── Header ────────────────────────────────────────────────── */
header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
    background: rgba(10,14,23,0.7); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border); padding: 1rem 0;
}
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon { font-size: 1.8rem; color: var(--primary); filter: drop-shadow(0 0 8px var(--primary-glow)); }
.logo-text { font-size: 1.2rem; font-weight: 800; letter-spacing: 0.04em; background: linear-gradient(135deg,#fff,#94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { color: var(--text-muted); text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
nav a:hover { color: #fff; }
.nav-git-btn { background: rgba(255,255,255,0.08); border: 1px solid var(--border); padding: 0.5rem 1rem; border-radius: 9999px; display: flex; align-items: center; gap: 0.5rem; }
.nav-git-btn:hover { background: #fff; color: #0f172a !important; -webkit-text-fill-color: #0f172a; }

/* ─── Hero ──────────────────────────────────────────────────── */
.hero { position: relative; padding: 9rem 0 7rem; min-height: 90vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('assets/piro-design.png'); background-size: cover; background-position: center; filter: brightness(0.25) contrast(1.1); z-index: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg,rgba(10,14,23,0.95) 0%,rgba(10,14,23,0.7) 50%,rgba(37,99,235,0.15) 100%); z-index: 2; }
.hero-container { position: relative; z-index: 3; display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: center; }
.hero-content { display: flex; flex-direction: column; align-items: flex-start; }
.badge { background: rgba(37,99,235,0.15); border: 1px solid rgba(37,99,235,0.3); color: #3b82f6; padding: 0.35rem 0.85rem; border-radius: 9999px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; margin-bottom: 1.5rem; text-transform: uppercase; }
.hero-content h1 { font-size: 3.2rem; line-height: 1.15; font-weight: 900; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.highlight { background: linear-gradient(135deg,#60a5fa 0%,#2563eb 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 15px rgba(37,99,235,0.4)); }
.hero-lead { font-size: 1.05rem; color: var(--text-muted); margin-bottom: 2.5rem; font-weight: 300; }
.hero-actions { display: flex; gap: 1.25rem; }
.btn { display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.85rem 2rem; font-size: 1rem; font-weight: 700; border-radius: 12px; text-decoration: none; transition: var(--transition); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 30px var(--primary-glow); }
.btn-primary:hover { background: #1d4ed8; transform: translateY(-2px); }
.btn-secondary { background: rgba(255,255,255,0.05); color: #fff; border: 1px solid var(--border); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

/* Hero Card */
.hero-visual { display: flex; justify-content: center; perspective: 1000px; }
.preview-card { background: rgba(15,23,42,0.6); border: 1px solid var(--border); border-radius: 16px; width: 100%; max-width: 440px; overflow: hidden; backdrop-filter: blur(20px); box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5),0 0 40px rgba(37,99,235,0.15); transform: rotateY(-5deg) rotateX(5deg); transition: var(--transition); }
.preview-card:hover { transform: rotateY(0) rotateX(0) translateY(-8px); box-shadow: 0 35px 60px -10px rgba(0,0,0,0.6),0 0 50px rgba(37,99,235,0.25); }
.preview-header { background: rgba(255,255,255,0.03); padding: 0.85rem 1.25rem; display: flex; align-items: center; gap: 0.5rem; border-bottom: 1px solid var(--border); }
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.red { background: #ef4444; } .dot.yellow { background: #f59e0b; } .dot.green { background: #10b981; }
.preview-title { margin-left: 0.5rem; font-size: 0.75rem; color: var(--text-muted); font-weight: 700; }
.preview-body { padding: 1.5rem; font-size: 0.85rem; }
.preview-line { display: flex; justify-content: space-between; margin-bottom: 0.75rem; border-bottom: 1px solid rgba(255,255,255,0.02); padding-bottom: 0.5rem; }
.preview-line span { color: var(--text-muted); } .preview-line .val { color: #fff; font-weight: 600; }
.preview-progress { height: 6px; background: rgba(255,255,255,0.05); border-radius: 9999px; margin: 1.25rem 0 0.5rem; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg,var(--primary) 0%,#60a5fa 100%); border-radius: 9999px; }
.preview-status { color: #60a5fa; font-weight: 600; margin-bottom: 1rem; font-size: 0.8rem; display: flex; align-items: center; gap: 0.5rem; }
.preview-logs { background: rgba(0,0,0,0.3); border-radius: 8px; padding: 0.85rem; font-family: monospace; color: #10b981; font-size: 0.72rem; line-height: 1.5; height: 90px; overflow: hidden; }

/* ─── Tools Section ─────────────────────────────────────────── */
.tools-section { padding: 8rem 0; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-size: 2.25rem; font-weight: 900; letter-spacing: 0.05em; margin-bottom: 0.5rem; background: linear-gradient(135deg,#fff,#94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-header .subtitle { color: var(--text-muted); font-size: 1.05rem; }

.tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.tool-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 20px; padding: 2.5rem; transition: var(--transition); display: flex; flex-direction: column; gap: 1.5rem; text-decoration: none; color: inherit; cursor: pointer; }
.tool-mynavi:hover { border-color: rgba(37,99,235,0.4); box-shadow: 0 20px 40px rgba(0,0,0,0.3),0 0 20px rgba(37,99,235,0.08); transform: translateY(-4px); }
.tool-df:hover { border-color: rgba(13,105,56,0.4); box-shadow: 0 20px 40px rgba(0,0,0,0.3),0 0 20px rgba(13,105,56,0.08); transform: translateY(-4px); }

.tool-card-header { display: flex; align-items: flex-start; gap: 1.25rem; }
.tool-icon { width: 60px; height: 60px; flex-shrink: 0; border-radius: 14px; background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.2); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; }
.tool-icon-green { background: rgba(13,105,56,0.1); border-color: rgba(13,105,56,0.2); color: var(--green-light); }
.tool-badge { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--primary); background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.2); padding: 0.2rem 0.6rem; border-radius: 4px; display: inline-block; margin-bottom: 0.5rem; }
.tool-badge-green { color: var(--green-light); background: rgba(13,105,56,0.1); border-color: rgba(13,105,56,0.2); }
.tool-card h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 0.25rem; }
.tool-target { font-size: 0.8rem; color: var(--text-muted); }
.tool-target code { color: #60a5fa; background: rgba(37,99,235,0.1); padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.78rem; }
.tool-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
.tool-desc code { color: #60a5fa; background: rgba(37,99,235,0.08); padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.82rem; }
.tool-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.col-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; color: var(--text-muted); }
.col-item i { color: #10b981; font-size: 0.75rem; }
.tool-dir { background: rgba(0,0,0,0.3); border-radius: 10px; padding: 0.85rem 1rem; font-size: 0.82rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.75rem; border: 1px solid var(--border); }
.tool-dir i { color: #f59e0b; }
.tool-dir code { color: #fbbf24; font-family: monospace; }

/* ─── Directory Section ─────────────────────────────────────── */
.directory-section { padding: 6rem 0; background: rgba(255,255,255,0.01); }
.dir-tree { background: rgba(0,0,0,0.4); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; overflow-x: auto; }
.dir-tree pre { font-family: "Menlo","Consolas",monospace; font-size: 0.88rem; line-height: 1.8; color: #94a3b8; white-space: pre; }
.dir-highlight { color: #60a5fa; font-weight: 700; }
.dir-green { color: #4ade80; }

/* ─── How To Use ────────────────────────────────────────────── */
.how-to-use { padding: 8rem 0; }
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.step-card { position: relative; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 20px; padding: 2.5rem 2rem; transition: var(--transition); }
.step-card:hover { border-color: rgba(245,158,11,0.3); transform: translateY(-4px); }
.step-num { position: absolute; top: 1.5rem; right: 2rem; font-size: 3.5rem; font-weight: 900; color: rgba(255,255,255,0.03); line-height: 1; }
.step-card:hover .step-num { color: rgba(245,158,11,0.1); }
.step-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 1rem; }
.step-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
.step-card code { color: #60a5fa; background: rgba(37,99,235,0.08); padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.82rem; }

/* ─── Footer ────────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border); padding: 3rem 0; background: #06090f; font-size: 0.85rem; color: var(--text-muted); }
.footer-container { display: flex; justify-content: space-between; align-items: center; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-weight: 600; transition: var(--transition); }
.footer-links a:hover { color: #fff; }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .tools-grid { grid-template-columns: 1fr; }
}
@media (max-width: 968px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
    .hero-content { align-items: center; }
    .hero-content h1 { font-size: 2.5rem; }
    .steps { grid-template-columns: 1fr; }
    .header-container { flex-direction: column; gap: 1rem; }
    .footer-container { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ─── Tool Actions Area ────────────────────────────────────── */
.tool-actions-wrap {
    display: flex;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.btn-tool-action {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: 10px;
    text-decoration: none;
    transition: var(--transition);
    text-align: center;
    position: relative;
}
.btn-tool-action i.fa-question-circle {
    opacity: 0.6;
    font-size: 0.78rem;
    transition: var(--transition);
}
.btn-tool-action i.fa-question-circle:hover {
    opacity: 1;
}

/* Mynavi / Blue Theme Actions */
.btn-tool-action.btn-dl {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-tool-action.btn-dl:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}
.btn-tool-action.btn-ref {
    background: rgba(37,99,235,0.06);
    color: #60a5fa;
    border: 1px solid rgba(37,99,235,0.2);
}
.btn-tool-action.btn-ref:hover {
    background: rgba(37,99,235,0.12);
    border-color: rgba(37,99,235,0.4);
    transform: translateY(-2px);
}

/* Doctors File / Green Theme Actions */
.btn-tool-action.btn-green {
    background: var(--green);
    color: #fff;
    box-shadow: 0 4px 15px var(--green-glow);
}
.btn-tool-action.btn-green:hover {
    background: var(--green-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--green-glow);
}
.btn-tool-action.btn-green-outline {
    background: rgba(13,105,56,0.06);
    color: var(--green-light);
    border: 1px solid rgba(13,105,56,0.2);
}
.btn-tool-action.btn-green-outline:hover {
    background: rgba(13,105,56,0.12);
    border-color: rgba(13,105,56,0.4);
    transform: translateY(-2px);
}

/* Card layout fix to push actions to bottom */
.tool-card {
    cursor: default;
    display: flex;
    flex-direction: column;
}
.tool-columns {
    margin-bottom: 1rem;
}