:root {
    --green-primary: rgb(148, 207, 150);
    --green-button: #85c988;
    --green-bg: rgb(229, 245, 229);
    --green-border: #b8deba;
    --green-hover-bg: #7ce08038;
    --text-dark: #1e3320;
    --text-muted: #4a6b4e;
    --text-light: #6a8b6e;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--green-bg);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem 2rem;
    gap: 2.5rem;
}

.hero-title {
    text-align: center;
}

.hero-title h1 {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

.hero-title p {
    margin-top: 0.5rem;
    font-size: 1rem;
    color: var(--text-muted);
}

.hero-subtitle {
    font-size: 0.8rem !important;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 0.25rem !important;
    margin-bottom: -0.25rem;
}

.panels {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.panel {
    background: white;
    border: 1px solid var(--green-border);
    border-radius: 16px;
    padding: 2rem 2.5rem;
    width: min(360px, 90vw);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    box-shadow: 0 4px 16px rgba(100, 160, 100, 0.12);
}

.panel-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.panel h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.panel p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.panel-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.4rem;
}

.btn {
    display: inline-block;
    padding: 0.65rem 1.4rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: filter 0.15s, transform 0.1s;
}

.btn:hover {
    filter: brightness(0.93);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--green-button);
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-muted);
    border: 1px solid var(--green-border);
    font-weight: 500;
}

.btn-secondary:hover {
    background-color: var(--green-hover-bg);
    color: var(--text-dark);
}

.notice {
    font-size: 0.82rem;
    color: var(--text-light);
    text-align: center;
}

footer {
    padding: 1rem 1rem;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-light);
    border-top: 1px solid var(--green-border);
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
}

footer a:hover {
    color: var(--text-dark);
    text-decoration: underline;
}
