/*
 * Shoot Chop Drop LP
 * 基調: 黒背景 + 白テキスト + ライム (#C8FF00) アクセント
 * (アプリ本体の dark theme + `Color.vmpcAccent` と揃える)
 *
 * 暫定スタイル。design 確定後に thoroughly に書き直す前提のミニマルベース。
 */

:root {
    --bg: #000000;
    --fg: #ffffff;
    --fg-dim: rgba(255, 255, 255, 0.55);
    --fg-faint: rgba(255, 255, 255, 0.3);
    --accent: #C8FF00;
    --accent-ink: #000000;        /* accent の上に乗せる文字色 */
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(255, 255, 255, 0.2);

    --max-w: 720px;
    --pad-x: clamp(16px, 4vw, 32px);

    --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

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

html, body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-display);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    min-height: 100%;
}

body {
    padding: 0 var(--pad-x);
}

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

a:hover { text-decoration: underline; }

/* ============================================
   HEADER
   ============================================ */
.site-header {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 24px 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
}

.site-header__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--fg);
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.site-header__brand svg {
    width: 24px;
    height: auto;
    color: var(--fg);   /* SVG 内 currentColor を白に */
}

.site-header__nav {
    display: flex;
    gap: 16px;
}

.site-header__nav a {
    color: var(--fg-dim);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
}

.site-header__nav a:hover { color: var(--fg); }

/* ============================================
   HERO (index.html)
   ============================================ */
.hero {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 64px 0 48px;
    text-align: center;
}

.hero__logo {
    width: 80px;
    height: auto;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero__tagline {
    color: var(--fg-dim);
    font-size: clamp(15px, 2.5vw, 18px);
    margin-bottom: 32px;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: 100px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
}

.hero__cta:hover { opacity: 0.85; text-decoration: none; }

.hero__cta--disabled {
    background: rgba(255, 255, 255, 0.1);
    color: var(--fg-dim);
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   3 STEP (Shoot/Chop/Drop)
   ============================================ */
.steps {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 48px 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 600px) {
    .steps { grid-template-columns: repeat(3, 1fr); }
}

.step {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}

.step__num {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    font-weight: 700;
    margin-bottom: 8px;
}

.step__verb {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.step__desc {
    color: var(--fg-dim);
    font-size: 14px;
}

/* ============================================
   FEATURES
   ============================================ */
.features {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 48px 0;
}

.features__title {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.features ul {
    list-style: none;
    padding: 0;
}

.features li {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    color: var(--fg);
    font-size: 15px;
}

.features li:last-child { border-bottom: none; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 48px 0 32px;
    border-top: 1px solid var(--line);
    text-align: center;
    color: var(--fg-faint);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
}

.site-footer a { color: var(--fg-dim); }
.site-footer a:hover { color: var(--fg); }

.site-footer__nav {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

/* ============================================
   RELEASE PAGE
   ============================================ */
.release {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 48px 0;
}

.release__title {
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 800;
    margin-bottom: 32px;
}

.release__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

.release__tabs a {
    padding: 6px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 100px;
    color: var(--fg);
    font-family: var(--font-mono);
    font-size: 12px;
    text-decoration: none;
}

.release__tabs a:hover {
    background: rgba(255, 255, 255, 0.05);
    text-decoration: none;
}

.release__tabs__more {
    list-style: none;
    margin-left: auto;
}

.release__tabs__more summary {
    padding: 6px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 100px;
    color: var(--fg-dim);
    font-family: var(--font-mono);
    font-size: 12px;
    cursor: pointer;
    list-style: none;
}

.release__tabs__more summary::-webkit-details-marker { display: none; }

.release__tabs__rest {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    width: 100%;
}

.ver {
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--line);
}

.ver:last-child { border-bottom: none; }

.ver__head {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.ver__num {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.ver__date {
    color: var(--fg-dim);
    font-family: var(--font-mono);
    font-size: 13px;
}

.ver__latest {
    padding: 4px 10px;
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.ver__cat {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin: 24px 0 12px;
}

.ver ul {
    list-style: none;
    padding: 0;
}

.ver li {
    padding: 6px 0 6px 20px;
    position: relative;
    color: var(--fg);
    font-size: 15px;
    line-height: 1.7;
}

.ver li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ============================================
   LEGAL PAGE
   ============================================ */
.legal {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 48px 0;
}

.legal__title {
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 800;
    margin-bottom: 32px;
}

.legal h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 40px 0 16px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}

.legal h2:first-of-type { padding-top: 0; border-top: none; margin-top: 0; }

.legal h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 24px 0 8px;
}

.legal p, .legal li {
    color: var(--fg);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 8px;
}

.legal ul {
    padding-left: 20px;
    margin-bottom: 16px;
}

.legal__updated {
    color: var(--fg-faint);
    font-family: var(--font-mono);
    font-size: 12px;
    margin-bottom: 32px;
}

/* ============================================
   404 PAGE
   ============================================ */
.notfound {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 120px 0 64px;
    text-align: center;
}

.notfound__code {
    font-family: var(--font-mono);
    font-size: 80px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 16px;
}

.notfound__msg {
    color: var(--fg-dim);
    font-size: 16px;
    margin-bottom: 32px;
}