/* ============================================================
   HomeRide LP — OLED Native
   黒 OLED × すりガラス × Live Activity。ページ冒頭がロック画面。
   モバイルファースト / 素の CSS / 画像不使用
   ============================================================ */

:root {
  --bg: #000000;
  --surface: #121216;
  --surface-2: #0c0c10;
  --glass: rgba(255, 255, 255, 0.09);
  --glass-border: rgba(255, 255, 255, 0.13);
  --hairline: rgba(255, 255, 255, 0.09);
  --text: #f5f5f7;
  --muted: #a9a9b4;
  --faint: #6e6e78;
  --paper: #ededf2;
  --ink: #111114;
  --ink-muted: #5c5c66;
  --hairline-dark: rgba(17, 17, 20, 0.1);
  --accent: #ff8a00;
  --ginza: #f59a00;
  --hanzomon: #8f76d6;
  --asakusa: #e85298;
  --radius-card: 24px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html {
  scroll-padding-top: 76px;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 15px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

p { margin: 0; text-wrap: pretty; }
h1, h2, h3 { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 700; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container { max-width: var(--maxw); margin: 0 auto; }
.container--narrow { max-width: 680px; }

/* ============ 開発中注記 ============ */

.notice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--hairline);
}
.notice__tag {
  flex: none;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  border: 1px solid rgba(255, 138, 0, 0.4);
  border-radius: 5px;
  padding: 2px 7px;
  white-space: nowrap;
}
.notice__text { font-size: 11px; line-height: 1.6; color: var(--muted); }

/* ============ ナビ ============ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0);
  transition: border-color 0.3s ease;
}
.nav--scrolled { background: rgba(0, 0, 0, 0.88); border-bottom-color: var(--hairline); }
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 12px 20px;
}
.nav__logo {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.nav__links { display: none; gap: 26px; }
.nav__links a {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  transition: color 0.2s ease;
}
.nav__links a:hover { color: var(--text); }

@media (min-width: 760px) {
  .nav__links { display: flex; }
  .nav__inner { padding: 13px 24px; }
}

/* ============ ボタン ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 26px;
  border: 0;
  border-radius: 999px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.2s ease;
}
.btn:active { transform: scale(0.96); }
.btn--primary { background: var(--accent); color: #000; }
.btn--primary:hover { background: #ffa033; }
.btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-weight: 400;
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.16); }
.btn--sm { min-height: 38px; padding: 7px 18px; font-size: 13px; }
.btn--block { width: 100%; }

/* ============ 見出しまわり ============ */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--muted);
}
.eyebrow--accent { color: var(--accent); }
.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.section { padding: 76px 20px; }
.section--light { background: var(--paper); color: var(--ink); }
.section--light .eyebrow { color: var(--accent); }
.section--dark { background: var(--bg); }
.section--form { background: var(--surface-2); }

.section__head { display: flex; flex-direction: column; gap: 16px; margin-bottom: 44px; }
.section__head--center { text-align: center; align-items: center; }

.section__title {
  font-size: clamp(26px, 7vw, 42px);
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.section__lead {
  font-size: 15px;
  line-height: 2;
  color: var(--muted);
  max-width: 600px;
}
.section--light .section__lead { color: var(--ink-muted); }

.container--narrow .section__title { font-size: clamp(26px, 7vw, 38px); }
.container--narrow > .reveal { display: flex; flex-direction: column; gap: 16px; }

@media (min-width: 760px) {
  .section { padding: 120px 24px; }
  .section__head { gap: 20px; margin-bottom: 56px; }
}

/* ============ HERO ============ */

.hero {
  position: relative;
  background: var(--bg);
  padding: 28px 20px 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  overflow: hidden;
}

/* 夜の駅のアンビエント: 奥に滲むホームの灯り（CSSのみ・無画像） */
.hero__ambient {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__ambient span {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
}
/* 上手の暖色灯（銀座線オレンジ寄り） */
.hero__ambient span:nth-child(1) {
  top: 4%;
  left: -10%;
  width: 46vw;
  max-width: 340px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255, 168, 70, 0.16), rgba(0, 0, 0, 0) 70%);
}
/* 下手の寒色灯（半蔵門線パープル寄り） */
.hero__ambient span:nth-child(2) {
  top: -2%;
  right: -12%;
  width: 50vw;
  max-width: 380px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(143, 118, 214, 0.13), rgba(0, 0, 0, 0) 70%);
}
/* ホーム床の沈み込み */
.hero__ambient span:nth-child(3) {
  bottom: -8%;
  left: 50%;
  transform: translateX(-50%);
  width: 130%;
  height: 280px;
  border-radius: 0;
  filter: blur(20px);
  background: radial-gradient(ellipse at 50% 100%, rgba(60, 64, 90, 0.45), rgba(0, 0, 0, 0) 70%);
}
/* ホーム端のライン */
.hero__edge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 56px;
  z-index: 0;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 168, 70, 0) 0%, rgba(255, 168, 70, 0.32) 50%, rgba(255, 168, 70, 0) 100%);
}

.hero__stage,
.hero__copy { position: relative; z-index: 1; }

@media (prefers-reduced-motion: no-preference) {
  html.js .hero__ambient span:nth-child(1) { animation: drift 9s ease-in-out infinite; }
  html.js .hero__ambient span:nth-child(2) { animation: drift 11s ease-in-out infinite reverse; }
}

.hero__stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.hero__date {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  white-space: nowrap;
}
.hero__clock {
  font-size: clamp(58px, 17vw, 100px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: #fff;
}
.hero__hint {
  margin-top: 12px;
  font-size: 11px;
  color: var(--faint);
}

.hero__copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
  max-width: 640px;
}
.hero__title {
  font-size: clamp(31px, 8.6vw, 58px);
  font-weight: 900;
  line-height: 1.42;
  letter-spacing: -0.015em;
}
.hero__title em { font-style: normal; color: var(--accent); }
.hero__lead {
  font-size: 15px;
  line-height: 2.05;
  color: var(--muted);
}
.u-br { display: none; }
.cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 6px;
}
.stats__item {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 10px 18px;
  text-align: center;
}
.stats__item strong { font-size: 14px; font-weight: 900; white-space: nowrap; }
.stats__item span { font-size: 10.5px; color: var(--muted); white-space: nowrap; }

@media (min-width: 760px) {
  .hero { padding: 44px 24px 96px; gap: 48px; }
  .u-br { display: inline; }
}

/* ============ Live Activity カード ============ */

.la-card {
  width: min(360px, 100%);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 16px 16px 13px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  box-shadow: 0 0 60px rgba(255, 138, 0, 0.12);
  text-align: left;
}
.la-card--hero { margin-top: 14px; }
.la-card--mini {
  box-shadow: none;
  gap: 9px;
  padding: 14px 14px 11px;
}

.la-card__next { font-size: 12px; line-height: 1.5; color: #c9c9d2; }
.la-card__next strong { color: #fff; }

.la-card__main { display: flex; align-items: center; gap: 10px; }
.la-card__train {
  font-size: 16px;
  font-weight: 900;
  color: #fff;
  white-space: nowrap;
  flex: none;
}
.la-card__time {
  margin-left: auto;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
  white-space: nowrap;
  flex: none;
}
.la-card__time small { font-size: 12px; font-weight: 700; }

.la-card__now {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 9px;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  line-height: 1.5;
  color: var(--muted);
}

/* 路線バッジ */
.line-badge {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 900;
  color: #000;
}
.line-badge--sm { width: 15px; height: 15px; font-size: 8.5px; color: #fff; }
.line-badge--ginza { background: var(--ginza); color: #000; }
.line-badge--sm.line-badge--ginza { color: #000; }
.line-badge--hanzomon { background: var(--hanzomon); color: #fff; }
.line-badge--asakusa { background: var(--asakusa); color: #fff; }

/* 乗換ステップライン */
.route { display: flex; align-items: center; padding: 2px 2px 0; }
.route__stop {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}
.route__stop--done { background: var(--hanzomon); }
.route__stop--next {
  width: 10px;
  height: 10px;
  background: #fff;
  border: 2px solid var(--accent);
}
.route__seg { flex: 1; height: 2px; background: rgba(255, 255, 255, 0.18); }
.route__seg--done { background: var(--hanzomon); }

.route-labels {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--faint);
}
.route-labels .is-next { color: var(--accent); font-weight: 700; }

/* ============ CONCEPT ============ */

#concept .section__title { line-height: 1.6; }

/* ============ COMPARE ============ */

.compare { display: grid; gap: 20px; }
@media (min-width: 860px) {
  .compare { grid-template-columns: 1fr 1fr; align-items: start; }
}

.compare__card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.compare__card--hr {
  background: rgba(255, 138, 0, 0.07);
  border-color: rgba(255, 138, 0, 0.45);
}

.compare__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.compare__label--hr { color: var(--accent); }

.steps { display: flex; flex-direction: column; gap: 16px; }
.steps__item { display: flex; gap: 14px; align-items: flex-start; }
.steps__num {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.steps__num--hr { background: var(--accent); color: #000; }
.steps__item strong { display: block; font-size: 14px; line-height: 1.6; color: var(--text); }
.steps__item div span { display: block; font-size: 12px; line-height: 1.7; color: var(--faint); }
.compare__card--hr .steps__item div span { color: var(--muted); }

.compare__result {
  margin-top: auto;
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.compare__result span { font-size: 12px; color: var(--faint); }
.compare__metric {
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.01em;
}
.compare__result--hr { border-top-color: rgba(255, 138, 0, 0.3); }
.compare__result--hr .compare__metric { color: var(--accent); }
.compare__result--hr span { color: var(--muted); }

/* ============ 情報設計 ============ */

.breakdown {
  display: flex;
  flex-direction: column;
  gap: 44px;
  align-items: center;
}
@media (min-width: 860px) {
  .breakdown { flex-direction: row; gap: 64px; align-items: center; justify-content: center; }
}

/* iPhone ベゼル付きロック画面 */
.phone {
  width: min(320px, 86vw);
  background: #050507;
  border: 7px solid #1c1c22;
  border-radius: 52px;
  padding: 22px 16px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
  color: var(--text);
}
.phone__island {
  width: 92px;
  height: 26px;
  border-radius: 999px;
  background: #000;
  border: 1px solid #222228;
  margin-bottom: 16px;
}
.lock__date {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  white-space: nowrap;
}
.lock__clock {
  font-size: 56px;
  font-weight: 300;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 16px;
}
.lock__clock--sm { font-size: 44px; margin-bottom: 12px; }
.lock__hint { margin-top: 16px; font-size: 10px; color: var(--faint); }

.callouts {
  display: flex;
  flex-direction: column;
  gap: 26px;
  max-width: 460px;
}
.callouts__item { display: flex; gap: 18px; align-items: flex-start; }
.callouts__num {
  flex: none;
  font-size: 13px;
  font-weight: 900;
  color: var(--accent);
  border: 1px solid rgba(255, 138, 0, 0.5);
  border-radius: 10px;
  padding: 4px 9px;
  margin-top: 2px;
}
.callouts__item h3 { font-size: 16px; font-weight: 900; line-height: 1.6; }
.callouts__item p {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-muted);
}

/* ============ 4画面 ============ */

.shots {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 20px 18px;
  margin: 0 -20px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.shots::-webkit-scrollbar { display: none; }
.shots-hint {
  margin: 14px 0 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--faint);
}
.shot {
  flex: none;
  width: 248px;
  margin: 0;
  scroll-snap-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
@media (min-width: 1060px) {
  .shots {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow: visible;
    margin: 0;
    padding: 0;
  }
  .shot { width: auto; }
  .shots-hint { display: none; }
}

/* アプリ画面モック */
.app {
  background: #0f0f14;
  border: 6px solid #1c1c22;
  border-radius: 36px;
  padding: 12px 12px 18px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 11px;
}
.app--lock {
  background: #050507;
  align-items: center;
  text-align: center;
  padding-top: 26px;
}
.app--lock .la-card--mini { width: 100%; text-align: left; }

.app__status { text-align: center; font-size: 10px; font-weight: 700; color: var(--muted); }
.app__brand { font-size: 13px; font-weight: 900; padding: 2px 4px 0; }

.app__panel {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.app__panel-title { font-size: 11px; font-weight: 700; color: var(--muted); }
.app__field {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 8px 10px;
}
.app__field-label { font-size: 9px; color: var(--faint); flex: none; }
.app__field-value { font-size: 12px; font-weight: 700; color: var(--text); }
.app__seg {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 9px;
  padding: 3px;
}
.app__seg span {
  flex: 1;
  text-align: center;
  font-size: 9.5px;
  padding: 4px 0;
  border-radius: 7px;
  color: var(--faint);
}
.app__seg .is-on { background: rgba(255, 255, 255, 0.14); color: var(--text); font-weight: 700; }
.app__cta {
  background: var(--accent);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  border-radius: 999px;
  padding: 8px 0;
}
.app__list-head {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--faint);
  padding: 4px 4px 0;
}
.app__row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 13px;
  padding: 9px 11px;
}
.app__row > div { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.app__row strong { font-size: 11.5px; line-height: 1.5; color: var(--text); white-space: nowrap; }
.app__row span:not(.line-badge) { font-size: 9px; color: var(--faint); line-height: 1.5; }
.app__row em { font-style: normal; color: var(--accent); }
.app__chev { margin-left: auto; color: var(--faint); font-size: 14px; flex: none; }
.app__badges { margin-left: auto; display: flex; gap: 4px; flex: none; }
.app__row--result strong { font-size: 13px; }
.app__arrow { color: var(--accent); font-weight: 400; }
.app__bar {
  display: flex;
  align-items: center;
  padding: 2px 4px 0;
}
.app__bar-cancel { font-size: 10px; color: var(--accent); flex: none; }
.app__bar-title {
  flex: 1;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  margin-right: 34px;
}
.app__search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 8px 11px;
  font-size: 12px;
  font-weight: 700;
}
.app__caret {
  width: 2px;
  height: 13px;
  background: var(--accent);
  margin-left: 2px;
}
.app__hint {
  margin-top: auto;
  text-align: center;
  font-size: 9px;
  color: var(--faint);
}

.shot__cap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 6px;
}
.shot__num { font-size: 11px; font-weight: 900; color: var(--accent); letter-spacing: 0.1em; }
.shot__cap strong { font-size: 15px; font-weight: 900; }
.shot__cap span:last-child { font-size: 12px; color: var(--muted); line-height: 1.7; }

/* ============ LIVE ACTIVITY 訴求 ============ */

.activity {
  display: flex;
  flex-direction: column;
  gap: 44px;
}
@media (min-width: 860px) {
  .activity { flex-direction: row; align-items: center; gap: 64px; }
  .activity__copy { flex: 1.2; }
  .activity__visual { flex: 1; }
}

.activity__copy { display: flex; flex-direction: column; gap: 16px; }

.features { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.features li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.8;
  color: var(--ink);
}
.features__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 9px;
}

.activity__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.island-demo {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #000;
  border-radius: 999px;
  padding: 14px 22px 14px 16px;
  color: var(--text);
  box-shadow: 0 16px 50px rgba(17, 17, 20, 0.3);
  max-width: 100%;
}
.island-demo__text { display: flex; flex-direction: column; min-width: 0; }
.island-demo__text strong { font-size: 14px; font-weight: 900; white-space: nowrap; }
.island-demo__text span { font-size: 10px; color: var(--muted); white-space: nowrap; }
.island-demo__time {
  font-size: 20px;
  font-weight: 900;
  color: var(--accent);
  white-space: nowrap;
  flex: none;
  margin-left: 6px;
}
.island-demo__time small { font-size: 11px; font-weight: 700; }
.island-demo__cap { font-size: 11px; color: var(--ink-muted); }

/* ============ フォーム ============ */

.section--form .section__lead { max-width: 560px; }

.form {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 26px 22px 24px;
}
@media (min-width: 760px) {
  .form { padding: 36px 34px 32px; }
}

.form__label { display: flex; flex-direction: column; gap: 8px; }
.form__label-text { font-size: 13px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.form__req,
.form__opt {
  font-style: normal;
  font-size: 9.5px;
  font-weight: 700;
  border-radius: 5px;
  padding: 1px 7px;
}
.form__req { color: var(--accent); border: 1px solid rgba(255, 138, 0, 0.45); }
.form__opt { color: var(--faint); border: 1px solid rgba(255, 255, 255, 0.18); }

.form__input {
  width: 100%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 16px; /* iOS ズーム防止のため 16px 以上 */
  color: var(--text);
  transition: border-color 0.2s ease;
}
.form__input:focus { border-color: var(--accent); outline: none; }
.form__input--area { resize: vertical; min-height: 88px; }
.form__help { font-size: 11px; line-height: 1.7; color: var(--faint); }

.form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.form__note {
  font-size: 11px;
  line-height: 1.8;
  color: var(--faint);
  text-align: center;
}

.form__status {
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
  border-radius: 14px;
  padding: 13px 16px;
  margin: 0;
}
.form__status--ok {
  color: #d6f5e3;
  background: rgba(31, 138, 91, 0.18);
  border: 1px solid rgba(31, 138, 91, 0.55);
}
.form__status--err {
  color: #ffd6c2;
  background: rgba(255, 90, 40, 0.15);
  border: 1px solid rgba(255, 90, 40, 0.55);
}

.route-note {
  margin-top: 36px;
  font-size: 11.5px;
  line-height: 2;
  color: var(--faint);
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
}

/* ============ フッター ============ */

.footer {
  background: var(--bg);
  border-top: 1px solid var(--hairline);
  padding: 44px 20px 56px;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer__logo { font-size: 15px; font-weight: 900; }
.footer__legal { font-size: 11px; color: var(--faint); line-height: 1.8; }
.footer__links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer__links a { font-size: 12px; color: var(--muted); }
.footer__links a:hover { color: var(--text); }

@media (min-width: 760px) {
  .footer__inner { flex-direction: row; align-items: baseline; gap: 28px; }
  .footer__legal { margin-right: auto; }
}

/* ============================================================
   モーション
   - JS 無効時: html に .js が付かないため、すべて即時表示（フェイルセーフ）
   - prefers-reduced-motion: すべて静的表示
   ============================================================ */

/* スクロールリビール */
html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ヒーロー点灯シーケンス: 画面が点く → 時計 → Live Activity → コピー */
@keyframes power-on {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes rise-in {
  from { opacity: 0; transform: translateY(18px) scale(0.985); }
  to { opacity: 1; transform: none; }
}
@keyframes la-glow {
  0%, 100% { box-shadow: 0 0 50px rgba(255, 138, 0, 0.1); }
  50% { box-shadow: 0 0 75px rgba(255, 138, 0, 0.22); }
}
@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

html.js .hero__date { animation: rise-in 0.4s ease 0.05s both; }
html.js .hero__clock { animation: rise-in 0.45s cubic-bezier(0.2, 0.7, 0.2, 1) 0.12s both; }
html.js .la-card--hero { animation: rise-in 0.45s cubic-bezier(0.2, 0.7, 0.2, 1) 0.3s both; }
html.js .hero__hint { animation: power-on 0.4s ease 0.62s both; }
html.js .hero__copy > * { animation: rise-in 0.4s ease both; }
html.js .hero__copy > :nth-child(1) { animation-delay: 0.5s; }
html.js .hero__copy > :nth-child(2) { animation-delay: 0.58s; }
html.js .hero__copy > :nth-child(3) { animation-delay: 0.66s; }
html.js .hero__copy > :nth-child(4) { animation-delay: 0.74s; }
html.js .hero__copy > :nth-child(5) { animation-delay: 0.8s; }
html.js .la-card--hero { animation: rise-in 0.45s cubic-bezier(0.2, 0.7, 0.2, 1) 0.3s both, la-glow 4s ease-in-out 1.2s infinite; }

@media (prefers-reduced-motion: reduce) {
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html.js .hero__date,
  html.js .hero__clock,
  html.js .la-card--hero,
  html.js .hero__hint,
  html.js .hero__copy > * {
    animation: none;
  }
  .btn { transition: none; }
  .btn:active { transform: none; }
}