/* myagent landing components. Shared Radix scales are defined in colors.css. */
:root {
  --bg: var(--slate-1);
  --surface: var(--slate-a2);
  --surface-strong: var(--slate-a3);
  --border: var(--slate-a5);
  --border-strong: var(--slate-a7);
  --text: var(--slate-12);
  --muted: var(--slate-11);
  --faint: var(--slate-9);
  --accent: var(--jade-9);
  --accent-hover: var(--jade-10);
  --accent-text: var(--jade-12);
  --accent-contrast: var(--jade-1);
  --accent-soft: var(--jade-a3);
  --accent-border: var(--jade-a6);
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 999px;
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
.mono { font-family: var(--font-mono); font-size: 0.92em; color: var(--text); }

/* Decorative glows and grid fades are intentionally disabled for a flat UI. */
.backdrop { display: none; }

/* ---- ヘッダー ---- */
/* スクロールする本文の上に浮く translucent なガラス層。硬い境界線ではなく
   下端のフェード(::after)で本文との重なりだけを分ける。 */
.site-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 28px;
  padding: 14px clamp(20px, 5vw, 48px);
  background: color-mix(in srgb, var(--slate-1) 75%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--slate-a3);
}
.site-header::after {
  content: ""; position: absolute; inset: 100% 0 auto 0; height: 18px;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--bg) 45%, transparent), transparent);
  pointer-events: none;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand-name { font-size: 1.06rem; }
.brand-mark { width: 30px; height: 30px; position: relative; display: grid; place-items: center; flex: none; }
.brand-mark span { position: absolute; width: 16px; height: 6px; border-radius: var(--radius-full); background: var(--accent); }
.brand-mark span:nth-child(1) { transform: translateY(-6px) rotate(28deg); }
.brand-mark span:nth-child(2) { transform: translateY(3px) rotate(-28deg); }
.brand-mark span:nth-child(3) { width: 6px; height: 6px; transform: translate(9px, 8px); }
.site-nav { display: flex; gap: 22px; margin-inline: auto; font-size: 0.9rem; color: var(--muted); }
.site-nav a:hover { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.ghost-link { font-size: 0.9rem; color: var(--muted); }
.ghost-link:hover { color: var(--text); }

/* ---- ボタン ---- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 20px; border-radius: var(--radius-full);
  font-weight: 700; font-size: 0.92rem; line-height: 1.4;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.1s ease-out;
}
/* 押した瞬間に沈む即時フィードバック(pointer-down で効く)。 */
.button:active { transform: scale(0.97); }
.button.primary { border: 1px solid var(--accent-border); background: var(--accent); color: var(--accent-contrast); }
.button.primary:hover { background: var(--accent-hover); }
.button.outline { border: 1px solid var(--border-strong); color: var(--text); background: var(--surface); }
.button.outline:hover { border-color: var(--faint); background: var(--surface-strong); }
.button.large { padding: 14px 28px; font-size: 1rem; }
.button .arrow { transition: transform 0.18s ease; }
.button:hover .arrow { transform: translateX(3px); }

/* ---- ヒーロー ---- */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center; gap: clamp(32px, 5vw, 72px);
  max-width: 1180px; margin: 0 auto;
  padding: clamp(72px, 11vh, 132px) clamp(20px, 5vw, 48px) clamp(80px, 12vh, 140px);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border: 1px solid var(--border); border-radius: var(--radius-full);
  background: var(--surface); color: var(--muted);
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.01em;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero h1 {
  margin-top: 24px;
  font-size: clamp(2.3rem, 5.2vw, 3.7rem);
  line-height: 1.16; letter-spacing: -0.035em; font-weight: 700;
  font-feature-settings: "palt";
}
.nb { display: inline-block; }
.hero h1 em {
  font-style: normal;
  color: var(--accent-text);
}
.hero-lead { margin-top: 22px; max-width: 34em; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.1rem); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { margin-top: 16px; color: var(--faint); font-size: 0.85rem; }
.hero-provider { margin-top: 6px; color: var(--faint); font-size: 0.85rem; }
.hero-provider a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.hero-provider a:hover { color: var(--text); }

/* 登場アニメーション */
.rise { opacity: 0; transform: translateY(16px); animation: rise 0.7s cubic-bezier(0.22, 0.9, 0.3, 1) forwards; }
.rise.d1 { animation-delay: 0.05s; }
.rise.d2 { animation-delay: 0.14s; }
.rise.d3 { animation-delay: 0.24s; }
.rise.d4 { animation-delay: 0.34s; }
.rise.d5 { animation-delay: 0.44s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
/* ---- ヒーローのコンソールモック ---- */
.hero-visual { position: relative; }
.console-window {
  border: 1px solid var(--border-strong); border-radius: var(--radius-xl);
  background: var(--slate-2);
  overflow: hidden;
}
.console-titlebar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.win-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--slate-a5); }
.console-title { margin-left: 8px; color: var(--faint); font-size: 0.76rem; font-family: var(--font-mono); }
.console-body { display: grid; grid-template-columns: 168px 1fr; min-height: 320px; }
.console-sidebar { padding: 12px 10px; display: grid; align-content: start; gap: 6px; border-right: 1px solid var(--border); }
.agent-row {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 10px; border-radius: var(--radius-md);
  background: var(--surface);
}
.agent-row strong { display: block; font-size: 0.8rem; letter-spacing: -0.01em; }
.agent-row small { color: var(--faint); font-size: 0.68rem; }
.status-dot { flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.agent-row.idle .status-dot { background: var(--faint); animation: none; }
.console-chat { display: grid; align-content: end; gap: 10px; padding: 16px 14px 14px; }
.chat-bubble {
  max-width: 92%; padding: 10px 13px; border-radius: 13px;
  font-size: 0.8rem; line-height: 1.6;
}
.chat-bubble.user { justify-self: end; background: var(--accent); color: var(--accent-contrast); border-bottom-right-radius: 4px; }
.chat-bubble.agent { justify-self: start; background: var(--surface-strong); border: 1px solid var(--border); border-bottom-left-radius: 4px; color: var(--muted); }
.chat-agent-name { display: block; margin-bottom: 3px; color: var(--faint); font-size: 0.66rem; font-family: var(--font-mono); }
.chat-bubble .mono { color: var(--accent-text); }
.cursor {
  display: inline-block; width: 7px; height: 0.95em; margin-left: 5px; vertical-align: text-bottom;
  background: var(--accent); animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.chat-input-mock {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 6px; padding: 10px 13px;
  border: 1px solid var(--border); border-radius: var(--radius-full);
  color: var(--faint); font-size: 0.78rem;
}
.send-mock {
  display: grid; place-items: center; width: 24px; height: 24px;
  border-radius: 50%; background: var(--accent); color: var(--accent-contrast); font-size: 0.8rem;
}
.orbit-card {
  position: absolute; display: flex; align-items: center; gap: 8px;
  padding: 10px 15px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  background: var(--slate-2);
  font-size: 0.78rem; font-weight: 600; color: var(--muted);
}
.orbit-card .mono { color: var(--accent-text); font-weight: 400; }
.card-a { top: -18px; right: 6%; }
.card-b { bottom: -16px; left: -4%; }

/* ---- 共通セクション ---- */
.section { max-width: 1180px; margin: 0 auto; padding: clamp(72px, 12vh, 140px) clamp(20px, 5vw, 48px); }
.section-heading { max-width: 640px; margin: 0 auto 64px; text-align: center; }
.section-heading.left { margin: 0 0 36px; text-align: left; }
.section-heading h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.25; letter-spacing: -0.025em; font-weight: 700; text-wrap: balance;
  font-feature-settings: "palt";
}
.section-heading p { margin-top: 16px; color: var(--muted); }

/* ---- 特徴 ---- */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-card {
  padding: 34px 30px;
  border: 1px solid var(--slate-a4); border-radius: var(--radius-lg);
  background: transparent;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.feature-card:hover {
  border-color: var(--accent-border);
  background: var(--surface);
  transform: translateY(-2px);
}
/* 既定は静かなニュートラルの枠。jade はホバー時だけ差す。 */
.feature-icon {
  display: grid; place-items: center; width: 42px; height: 42px;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); color: var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover .feature-icon { color: var(--accent-text); border-color: var(--accent-border); }
.feature-icon svg { width: 22px; height: 22px; }
.feature-card h3 { margin-top: 18px; font-size: 1.02rem; letter-spacing: -0.01em; }
.feature-card p { margin-top: 8px; color: var(--muted); font-size: 0.9rem; }

/* ---- 体験 ---- */
.experience { position: relative; }
/* カード箱をやめ、罫線区切りの読み物リストへ。番号だけが jade で立つ。 */
.experience-list {
  display: grid; gap: 0; max-width: 820px; margin: 0 auto;
}
.experience-item {
  display: grid; grid-template-columns: auto 1fr; align-items: start; gap: 28px;
  padding: 36px 4px;
  border-top: 1px solid var(--border);
}
.experience-item:first-child { border-top: 0; padding-top: 8px; }
.experience-number {
  font-family: var(--font-mono); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700;
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--accent-text);
}
.experience-item h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -0.02em; }
.experience-item p { margin-top: 8px; color: var(--muted); }

/* ---- 仕組み ---- */
.arch-flow {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 10px; align-items: stretch;
}
.arch-node {
  display: flex; flex-direction: column;
  padding: 24px 20px;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
}
/* jade のピルをやめ、静かな slate のテキストラベルに。 */
.arch-label {
  align-self: flex-start;
  color: var(--muted);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em;
}
.arch-node h3 { margin-top: 12px; font-size: 1rem; letter-spacing: -0.01em; }
.arch-node p { margin-top: 7px; color: var(--muted); font-size: 0.86rem; }
.arch-arrow { align-self: center; color: var(--faint); font-size: 1.25rem; font-weight: 400; }

/* ---- 始め方 ---- */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; list-style: none; counter-reset: step; }
.step-card {
  position: relative; padding: 28px 24px;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
}
.step-number {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--text);
  font-weight: 700; font-size: 0.95rem;
}
.step-card h3 { margin-top: 16px; font-size: 1.02rem; }
.step-card p { margin-top: 8px; color: var(--muted); font-size: 0.9rem; }

/* ---- セキュリティ ---- */
.security-inner {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 64px); align-items: start;
  padding: clamp(32px, 5vw, 56px);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  background: var(--surface);
}
.security-list { display: grid; gap: 22px; list-style: none; }
.security-list h3 { font-size: 1rem; letter-spacing: -0.01em; }
.security-list p { margin-top: 5px; color: var(--muted); font-size: 0.9rem; }
.security-list li { padding-left: 18px; border-left: 2px solid var(--border-strong); }

/* ---- 最終CTA ---- */
.final-cta {
  max-width: 780px; margin: 0 auto; padding: clamp(64px, 10vh, 120px) clamp(20px, 5vw, 48px);
  text-align: center;
}
.final-cta h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.2; letter-spacing: -0.03em; font-weight: 700; text-wrap: balance; font-feature-settings: "palt"; }
.final-cta p { margin: 16px 0 32px; color: var(--muted); }

/* ---- フッター ---- */
.site-footer {
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px;
  max-width: 1180px; margin: 0 auto;
  padding: 30px clamp(20px, 5vw, 48px) 44px;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.88rem;
}
.footer-brand { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); }
.brand-mark.small { width: 24px; height: 24px; transform: scale(0.8); transform-origin: center; }
.footer-links { display: flex; gap: 20px; }
.footer-links a:hover { color: var(--text); }
.footer-copy { margin-left: auto; color: var(--faint); }

/* ---- レスポンシブ ---- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .hero-visual { max-width: 560px; }
  .site-nav { display: none; }
  .feature-grid, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .security-inner { grid-template-columns: 1fr; }
  .arch-flow { grid-template-columns: 1fr; }
  .arch-arrow { justify-self: center; transform: rotate(90deg); }
}
@media (max-width: 600px) {
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .console-body { grid-template-columns: 1fr; }
  .console-sidebar { grid-auto-flow: column; grid-auto-columns: minmax(150px, 1fr); overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .orbit-card { display: none; }
  .experience-item { grid-template-columns: 1fr; gap: 10px; }
  .ghost-link { display: none; }
  .footer-copy { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise { opacity: 1; transform: none; animation: none; }
  .glow-a, .glow-b, .console-window, .orbit-card, .status-dot, .badge-dot, .cursor { animation: none; }
  /* ホバーの浮き上がりや押下スケールといった新規モーションも止める。 */
  .feature-card, .button { transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease; }
  .feature-card:hover, .button:active { transform: none; }
}

/* 半透明を弱めたい設定では、ガラス層を不透明にしてフェードを外す。 */
@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--bg);
    backdrop-filter: none; -webkit-backdrop-filter: none;
    border-bottom: 1px solid var(--border);
  }
  .site-header::after { display: none; }
}