:root {
  --bg: #ffffff;
  --bg-soft: #f9f9f9;
  --fg: #000000;
  --text: #111111;
  --text-2: #666666;
  --border: #e5e5e5;
  --card-bg: #ffffff;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --p: 1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-soft: #0a0a0a;
    --fg: #ffffff;
    --text: #eeeeee;
    --text-2: #888888;
    --border: #222222;
    --card-bg: #111111;
  }
}

* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg); color: var(--text);
  margin: 0; padding: 0; line-height: 1.5; overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}
.js body { opacity: 0; transition: opacity 0.4s; }
.js body.loaded { opacity: 1; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* Hero Section */
.hero { text-align: center; padding: 120px 0 60px; position: relative; overflow: hidden; }
.hero-icon-img { width: 96px; height: 96px; border-radius: 22px; margin-bottom: 24px; box-shadow: 0 12px 24px rgba(0,0,0,0.1); }
.hero h1 { font-size: clamp(48px, 8vw, 88px); font-weight: 800; letter-spacing: -0.04em; margin: 0 0 16px; line-height: 1.1; }
.tagline { font-size: clamp(20px, 3vw, 28px); color: var(--text-2); font-weight: 500; margin: 0 0 40px; }

.stores { display: flex; justify-content: center; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.store {
  display: flex; align-items: center; gap: 12px;
  background: var(--fg); color: var(--bg);
  padding: 10px 20px; border-radius: 100px;
  text-decoration: none; text-align: left;
  transition: transform 0.2s var(--ease), opacity 0.2s;
  min-width: 180px;
}
.store:hover { transform: translateY(-2px); opacity: 0.9; }
.store svg { width: 28px; height: 28px; }
.store span { display: flex; flex-direction: column; line-height: 1.2; }
.store small { font-size: 11px; font-weight: 500; letter-spacing: 0.5px; opacity: 0.9; }
.store strong { font-size: 18px; font-weight: 700; letter-spacing: -0.5px; }

[data-hero] { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); transition-delay: calc(var(--d) * 0.1s); }
body.loaded [data-hero] { opacity: 1; transform: translateY(0); }

/* Phone Stage Mockup */
.phone-stage {
  position: relative; display: flex; justify-content: center; margin: 60px auto 0;
  perspective: 1400px; width: 100%; max-width: 800px;
}
.phone {
  position: relative; z-index: 2; width: 320px; aspect-ratio: 320/650;
  border-radius: 44px; padding: 10px;
  background: var(--fg);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.3);
  transform-origin: 50% 100%;
  transform: translateY(calc((1 - var(--p)) * 80px)) rotateX(calc((1 - var(--p)) * 24deg)) scale(calc(0.9 + var(--p) * 0.1));
  will-change: transform;
}
.screen {
  background: var(--bg); color: var(--text);
  width: 100%; height: 100%; border-radius: 34px; overflow: hidden;
  position: relative; padding: 44px 16px 16px;
  display: flex; flex-direction: column; gap: 16px;
  border: 1px solid var(--border);
}
.screen::before {
  content: ""; position: absolute; top: 12px; left: 50%; translate: -50% 0;
  width: 100px; height: 28px; border-radius: 20px; background: var(--fg);
}
.scr-header { margin-top: 10px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.scr-time { font-size: 32px; font-weight: 800; letter-spacing: -1px; margin-bottom: 4px; }
.scr-dest { font-size: 16px; font-weight: 700; display:flex; align-items:center; gap:6px;}
.scr-list { display: flex; flex-direction: column; gap: 12px; }
.scr-item { padding: 16px; border: 1px solid var(--border); border-radius: 16px; display: flex; flex-direction: column; gap: 8px; }
.scr-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 15px;}
.scr-row b { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.scr-row .badge { background: var(--text); color: var(--bg); padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 700; }
.delay { color: var(--text-2); font-size: 13px; font-weight: 600; }
.delay.red { color: var(--bg); background: var(--fg); padding: 2px 6px; border-radius: 4px; animation: pulse 2s infinite;}
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.5; } 100% { opacity: 1; } }

/* Floating Elements */
.float { position: absolute; z-index: 1; transform: translate(-50%, calc((1 - var(--p)) * var(--s) * 150px)); will-change: transform; }
.float .ic {
  width: 64px; height: 64px; border-radius: 20px;
  background: var(--bg); color: var(--fg);
  border: 2px solid var(--fg);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  animation: bob 6s ease-in-out infinite; animation-delay: var(--fd);
}
.float .ic svg { width: 32px; height: 32px; stroke-width: 2.5px; }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-15px) rotate(4deg); } }
@media (max-width: 760px) { .float { display: none; } }

/* Manifesto */
.manifesto { padding: 160px 0; }
.scrub {
  max-width: 900px; margin: 0 auto; text-align: center;
  font-size: clamp(28px, 5vw, 64px); font-weight: 800; line-height: 1.3; letter-spacing: -0.03em; text-wrap: balance;
}
.js .scrub span { color: var(--border); transition: color 0.4s var(--ease); }
.js .scrub span.on { color: var(--text); }
@media (prefers-color-scheme: dark) { .js .scrub span { color: #333; } }

/* Features */
.features-sec { padding: 80px 0 140px; background: var(--bg-soft); }
.grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--card-bg); border: 1px solid var(--border); padding: 40px 32px; border-radius: 24px;
  position: relative; overflow: hidden;
  transform: translateY(30px); opacity: 0; transition: transform 0.6s var(--ease), opacity 0.6s;
}
.card.in { transform: translateY(0); opacity: 1; }
.card .ic { margin-bottom: 24px; color: var(--text); width: 48px; height: 48px; }
.card .ic svg { width: 100%; height: 100%; }
.card h3 { font-size: 24px; margin: 0 0 12px; font-weight: 800; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--text-2); font-size: 16px; line-height: 1.6; }

/* Pointer Spotlight */
.card::before {
  content: ""; position: absolute; top: var(--my, -1000px); left: var(--mx, -1000px);
  width: 400px; height: 400px; background: radial-gradient(circle closest-side, rgba(0,0,0,0.04), transparent);
  transform: translate(-50%, -50%); pointer-events: none; opacity: 0; transition: opacity 0.3s;
}
@media (prefers-color-scheme: dark) {
  .card::before { background: radial-gradient(circle closest-side, rgba(255,255,255,0.06), transparent); }
}
.card:hover::before { opacity: 1; }

/* Footer */
footer { padding: 60px 0 40px; border-top: 1px solid var(--border); font-size: 14px; color: var(--text-2); }
.foot-grid { display: flex; flex-direction: column; gap: 32px; margin-bottom: 40px; }
@media (min-width: 600px) { .foot-grid { flex-direction: row; justify-content: space-between; align-items: flex-end; } }
.foot-brand { display: flex; flex-direction: column; gap: 12px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 20px; font-weight: 800; color: var(--text); text-decoration: none; letter-spacing: -0.04em;}
.brand svg { width: 32px; height: 32px; }
.foot-links { display: flex; flex-direction: column; gap: 16px; }
@media (min-width: 600px) { .foot-links { align-items: flex-end; } }
.foot-links a { color: var(--text-2); text-decoration: none; font-weight: 600; transition: color 0.2s;}
.foot-links a:hover { color: var(--text); }
.lang-selector {
  background: var(--bg);
  color: var(--text);
  border: 2px solid var(--border);
  padding: 10px 40px 10px 44px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: 
    url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"),
    url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='12' cy='12' r='10'/%3e%3cline x1='2' y1='12' x2='22' y2='12'/%3e%3cpath d='M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center, left 14px center;
  background-size: 16px, 18px;
  transition: border-color 0.2s;
}
@media (prefers-color-scheme: dark) {
  .lang-selector {
    background-image: 
      url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"),
      url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='12' cy='12' r='10'/%3e%3cline x1='2' y1='12' x2='22' y2='12'/%3e%3cpath d='M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z'/%3e%3c/svg%3e");
  }
}
.lang-selector:hover, .lang-selector:focus { border-color: var(--text); }

/* Document Page Layout (Privacy & Support) */
.privacy-page,
.support-page {
  padding: 48px 32px 100px;
  max-width: 800px;
  margin: 0 auto;
}
@media (max-width: 600px) {
  .privacy-page,
  .support-page {
    padding: 24px 20px 60px;
  }
}

.page-nav,
.privacy-nav {
  margin-bottom: 32px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--bg-soft);
  color: var(--text-2);
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  transition: all 0.2s var(--ease);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.back-btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.2px;
  transition: transform 0.2s var(--ease);
}

.back-btn:hover {
  color: var(--text);
  border-color: var(--text-2);
  background: var(--card-bg);
  transform: translateX(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.back-btn:hover svg {
  transform: translateX(-2px);
}

.back-btn:active {
  transform: translateX(-1px) scale(0.98);
}

.back-btn:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

.privacy-page h1,
.support-page h1 {
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.04em;
  margin: 0 0 16px;
  line-height: 1.15;
}

.page-subtitle {
  font-size: 18px;
  color: var(--text-2);
  margin: 0 0 32px;
  line-height: 1.6;
}

.privacy-page h2,
.support-page h2 {
  font-size: 22px;
  margin: 40px 0 14px;
  letter-spacing: -0.02em;
  color: var(--text);
  font-weight: 700;
}

.privacy-page p,
.support-page p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0 0 20px;
}

.privacy-page a:not(.back-btn),
.support-page a:not(.back-btn):not(.btn-secondary):not(.submit-btn) {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
}

.privacy-page a:not(.back-btn):hover,
.support-page a:not(.back-btn):not(.btn-secondary):not(.submit-btn):hover {
  opacity: 0.7;
}

/* Direct Contact Box */
.contact-direct-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.contact-direct-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-direct-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.contact-direct-email {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  word-break: break-all;
}
.contact-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none !important;
  transition: all 0.2s var(--ease);
}
.btn-secondary:hover {
  border-color: var(--text-2);
  background: var(--card-bg);
  transform: translateY(-1px);
}
.btn-secondary svg {
  width: 15px;
  height: 15px;
}

/* Feedback Form Card */
.feedback-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 36px 32px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.03);
}
@media (max-width: 600px) {
  .feedback-card {
    padding: 24px 18px;
  }
}
.form-group {
  margin-bottom: 22px;
}
.form-group:last-child {
  margin-bottom: 0;
}
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.form-label .optional {
  font-weight: 500;
  color: var(--text-2);
  font-size: 12px;
  margin-left: 6px;
}

/* Radio chips */
.type-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.type-chip {
  cursor: pointer;
  position: relative;
}
.type-chip input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.type-chip span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s var(--ease);
  user-select: none;
}
.type-chip:hover span {
  border-color: var(--text-2);
  color: var(--text);
}
.type-chip input:checked + span {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.type-chip input:focus-visible + span {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

/* Form Inputs */
.form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  box-sizing: border-box;
}
.form-input:focus {
  border-color: var(--text);
  box-shadow: 0 0 0 3px rgba(128, 128, 128, 0.15);
}
.form-input::placeholder {
  color: var(--text-2);
  opacity: 0.7;
}
.form-textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

/* Submit button */
.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  border-radius: 100px;
  background: var(--fg);
  color: var(--bg);
  border: none;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none !important;
  transition: opacity 0.2s, transform 0.2s var(--ease);
  margin-top: 8px;
}
.submit-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}
.submit-btn:active {
  transform: scale(0.99);
}
.submit-btn svg {
  width: 18px;
  height: 18px;
}

/* Notification box */
.notice-box {
  display: none;
  margin-top: 24px;
  padding: 20px;
  border-radius: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  animation: fadeIn 0.3s var(--ease);
}
.notice-box.show {
  display: block;
}
.notice-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 15px;
}
.notice-preview {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 12px 0;
  color: var(--text-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.notice-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* FAQ Section */
.faq-sec {
  margin-top: 60px;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item:first-of-type {
  border-top: 1px solid var(--border);
}
.faq-question {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.faq-answer {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-2);
  margin: 0;
}