html { overflow-x: hidden; scroll-behavior: smooth; scroll-padding-top: 5rem; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #005daa;
    color: #ffffff;
    padding: 12px 24px;
    border: 1px solid #005daa;
    font-family: "JetBrains Mono", monospace;
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: background-color 0.2s, color 0.2s;
    text-decoration: none;
}
.btn-primary:hover { background-color: #0075d5; }
.btn-primary.is-disabled,
.btn-primary[aria-disabled="true"] {
    background-color: #c0c7d5;
    border-color: #c0c7d5;
    color: #ffffff;
    pointer-events: none;
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: transparent;
    color: #0b1c30;
    padding: 12px 24px;
    border: 1px solid #0b1c30;
    font-family: "JetBrains Mono", monospace;
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: background-color 0.2s, border-color 0.2s;
    text-decoration: none;
}
.btn-secondary:hover {
    background-color: #eff4ff;
    border-color: #005daa;
    color: #005daa;
}
.tech-card {
    background-color: #ffffff;
    border: 1px solid #c0c7d5;
    padding: 24px;
    transition: border-color 0.2s;
    height: auto;
    display: flex;
    flex-direction: column;
}
.tech-card:hover { border-color: #005daa; }
.bracket-spacing::before { content: "[ "; }
.bracket-spacing::after { content: " ]"; }
.hard-shadow-primary { box-shadow: 4px 4px 0 0 #005daa; }
.hard-shadow-accent { box-shadow: 4px 4px 0 0 #2e8bee; }
.filter-btn {
    font-family: "JetBrains Mono", monospace;
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 8px 16px;
    border: 1px solid #c0c7d5;
    background-color: #ffffff;
    color: #0b1c30;
    transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}
.filter-btn:hover { border-color: #005daa; color: #005daa; }
.filter-btn-active {
    background-color: #005daa;
    color: #ffffff;
    border-color: #005daa;
}
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #c0c7d5;
    border-bottom: 2px solid #005daa;
    background-color: #ffffff;
    color: #0b1c30;
    font-family: Inter, "Noto Sans JP", sans-serif;
    outline: none;
    transition: border-color 0.2s;
}
.form-input:focus { border-color: #005daa; }
.form-panel {
    background-color: #ffffff;
    border: 1px solid #c0c7d5;
    padding: 32px;
}
.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}
.spec-table th,
.spec-table td {
    text-align: left;
    padding: 12px 16px;
    border: 1px solid #c0c7d5;
    vertical-align: top;
}
.spec-table th {
    background: #eff4ff;
    font-family: "JetBrains Mono", monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #0b1c30;
    font-weight: 500;
}
.callout {
    border: 1px solid #c0c7d5;
    border-left: 4px solid #2e8bee;
    background: #ffffff;
    padding: 20px 24px;
}
.callout-warn {
    border-left-color: #ba1a1a;
    background: #fff8f7;
}
.status-chip {
    display: inline-flex;
    align-items: center;
    font-family: "JetBrains Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 8px;
    border: 1px solid #c0c7d5;
    color: #414752;
    background: #f8f9ff;
}
.status-chip.is-beta {
    border-color: #005daa;
    color: #005daa;
    background: #d4e3ff;
}
.status-chip.is-soon {
    color: #717784;
}
.dl-count {
    display: inline-flex;
    align-items: center;
    font-family: "JetBrains Mono", monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #717784;
    padding: 0 4px;
}
.step-num {
    font-family: "JetBrains Mono", monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: #2e8bee;
}
.video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    margin: 0 0 16px;
    background: #eff4ff;
    border: 1px solid #c0c7d5;
    overflow: hidden;
}
.video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.video-frame-empty {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #717784;
    font-family: "JetBrains Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.grid-bg {
    background-image:
        linear-gradient(#005daa0f 1px, transparent 1px),
        linear-gradient(90deg, #005daa0f 1px, transparent 1px);
    background-size: 48px 48px;
}
@media (max-width: 767px) {
    .text-display-hero { font-size: 48px !important; }
    .px-margin-page { padding-left: 16px; padding-right: 16px; }
    .py-section-gap { padding-top: 64px; padding-bottom: 64px; }
}