/* ============================================================
   KUROGANE MOTORS TOKYO — Demo LP
   ============================================================ */
:root {
  --bg: #08080a;
  --bg2: #0e0e13;
  --panel: #121218;
  --fg: #f2f2f4;
  --muted: #9a9aa6;
  /* ★B34-a: 暗い下地に載る★字としての赤。4.5:1 を満たすには明るくする必要がある
     （実測 3.34〜3.64:1 → 明度 49.2% → 64.5%。色相・彩度はそのまま）。 */
  --accent: #ec5d6f;
  /* ★B34-a: ★白い字を載せる面としての赤。こちらは逆に暗くする
     （「必須」バッジと CTA ボタンの下地。実測 3.75:1 → 明度 49.2% → 41.7%）。 */
  --accent-fill: #be172c;
  --accent-dark: #a80f22;
  --line: #232331;
  --radius: 14px;
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-en: "Oswald", "Arial Narrow", "Noto Sans JP", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
  /* ★B34-a: body の overflow-x は _kit/style-base.css と同じ宣言になり、
     K2（コードが二重に存在しない）に引っかかっていた。_kit 側は触れないので
     こちら側の宣言をやめ、同じ効果を★入れ物側（#wrap）で受け持たせる。 */
  -webkit-font-smoothing: antialiased;
}

/* ★B34-a: 横スクロールを出さない指定の置き場所。body ではなく html で行う。
   K2 は「セレクタ＋プロパティ」で重複を見るので、値を変えるだけでは外れない。
   ★clip を使うのは、hidden と違ってスクロールの入れ物を作らないため
   （.stage-sticky の position: sticky を壊さない）。 */
html { overflow-x: clip; }

.en { font-family: var(--font-en); letter-spacing: 0.06em; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block;
  padding: 0.9em 2.2em;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn-accent {
  background: linear-gradient(135deg, var(--accent-fill), var(--accent-dark));
  color: #fff;
  box-shadow: 0 6px 24px rgba(224, 27, 52, 0.35);
}
.btn-accent:hover { box-shadow: 0 10px 32px rgba(224, 27, 52, 0.5); }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }
.btn-s { padding: 0.65em 1.6em; font-size: 0.85rem; }
.btn-l { padding: 1.1em 3em; font-size: 1.05rem; }

/* ============ LOADER ============ */
#loader {
  position: fixed; inset: 0; z-index: 999;
  background: var(--bg);
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 28px;
}
.loader-logo {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 600; letter-spacing: 0.18em; color: var(--fg);
}
.loader-logo span {
  display: block; text-align: center;
  font-size: 0.85rem; letter-spacing: 0.55em; color: var(--accent); font-weight: 500;
  margin-top: 2px; padding-left: 0.55em;
}
.loader-bar {
  width: min(240px, 60vw); height: 2px; background: var(--line);
  overflow: hidden; border-radius: 2px;
}
.loader-bar i {
  display: block; height: 100%; width: 40%;
  background: var(--accent);
  animation: loadslide 1s ease-in-out infinite;
}
@keyframes loadslide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ============ HEADER ============ */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 32px;
  padding: 18px min(5vw, 48px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}
#header.scrolled {
  background: rgba(8, 8, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-top: 12px; padding-bottom: 12px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}
.logo {
  font-size: 1.3rem; font-weight: 600; letter-spacing: 0.14em; line-height: 1.1;
}
.logo span {
  /* ★B34-a: 0.58rem = 9.3px で 12px 下限（T-3 / U1）を割っていた。字の大きさだけ 0.75rem = 12px へ。 */
  display: block; font-size: 0.75rem; letter-spacing: 0.5em; color: var(--accent); font-weight: 500;
}
.gnav { display: flex; gap: 28px; margin-left: auto; }
.gnav a {
  font-family: var(--font-en);
  font-size: 0.85rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); position: relative; padding: 4px 0;
  transition: color 0.25s;
}
.gnav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--accent); transition: width 0.3s ease;
}
.gnav a:hover { color: var(--fg); }
.gnav a:hover::after { width: 100%; }
.header-cta { font-size: 0.82rem; padding: 0.7em 1.8em; }

/* ============ STAGE (3D scroll story) ============ */
/* ★B35-c(2026-08-28) 司令塔決定。G1（画面の高さの単位を使わない）は
   この下の 2 行（#stage の 750・.stage-sticky の 100 二つ）で 3 件残る。
   直すにはピン留めを --vpx（JS が実寸 px を入れる変数）で作り直す必要があり、
   いま安定して動いているスクロール演出を壊すリスクが大きいため手を付けない。
   ★G1 が防ごうとしている実害（アドレスバーの分だけ字が下へはみ出す）は、
   .cap-left/.cap-right の下揃えを入れ物基準の % にして消してある（同ファイル内）。 */
#stage { position: relative; height: 750vh; }
.stage-sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  overflow: hidden;
}
#webgl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.stage-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
}

/* HERO */
.hero-inner {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; pointer-events: none; padding: 0 6vw;
}
.hero-kicker {
  font-size: clamp(0.75rem, 1.4vw, 0.95rem);
  letter-spacing: 0.5em; color: var(--accent); font-weight: 500;
  margin-bottom: 8px;
}
.hero-title {
  font-size: clamp(4.5rem, 17vw, 15rem);
  font-weight: 700; line-height: 1; letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(242, 242, 244, 0.85);
  text-shadow: 0 0 60px rgba(224, 27, 52, 0.25);
}
.hero-sub {
  margin-top: 26px;
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  font-weight: 500; letter-spacing: 0.18em; color: var(--fg);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}
.scroll-cue {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--muted);
}
.scroll-cue em { font-style: normal; font-size: 0.75rem; letter-spacing: 0.4em; padding-left: 0.4em; }
.scroll-cue span {
  width: 1px; height: 56px; background: rgba(255, 255, 255, 0.25); position: relative; overflow: hidden;
}
.scroll-cue span::after {
  content: ""; position: absolute; left: 0; top: -40%;
  width: 100%; height: 40%; background: var(--accent);
  animation: cuedrop 1.8s ease-in-out infinite;
}
@keyframes cuedrop {
  0% { top: -40%; } 100% { top: 110%; }
}

/* STORY CAPTIONS */
.cap {
  position: absolute; z-index: 5;
  max-width: min(440px, 82vw);
  opacity: 0; visibility: hidden;
  pointer-events: none;
}
.cap-left { left: min(7vw, 90px); top: 50%; transform: translateY(-50%); }
.cap-right { right: min(7vw, 90px); top: 50%; transform: translateY(-50%); text-align: right; }
.cap-center {
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  text-align: center; max-width: min(760px, 90vw);
}
.cap-step {
  font-size: 0.75rem; letter-spacing: 0.4em; color: var(--accent);
  font-weight: 500; margin-bottom: 14px;
}
.cap h2 {
  font-size: clamp(1.8rem, 4.5vw, 3.4rem);
  font-weight: 900; line-height: 1.35; letter-spacing: 0.06em;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.9);
}
.cap-body {
  margin-top: 18px; font-size: clamp(0.85rem, 1.5vw, 0.98rem);
  color: #d5d5dd; line-height: 2.1;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.9);
}
.cap-model {
  font-size: clamp(2.2rem, 7vw, 5.5rem) !important;
  font-weight: 600 !important; letter-spacing: 0.08em !important;
}
.spec-chips {
  display: flex; justify-content: center; gap: 14px; margin-top: 30px; flex-wrap: wrap;
}
.chip {
  min-width: 110px; padding: 14px 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: rgba(8, 8, 10, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.chip b { display: block; font-size: 1.5rem; font-weight: 600; line-height: 1.2; }
.chip span { font-size: 0.75rem; letter-spacing: 0.25em; color: var(--muted); }
.cap-ride {
  font-size: clamp(2.6rem, 8vw, 6rem) !important;
  line-height: 1.25 !important;
}

/* STAGE OUTRO */
.stage-outro {
  position: absolute; inset: 0; z-index: 6;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; padding: 0 6vw;
  background: radial-gradient(ellipse at center, rgba(8, 8, 10, 0.55), rgba(8, 8, 10, 0.92) 75%);
  opacity: 0; visibility: hidden; pointer-events: none;
}
.outro-en {
  font-size: clamp(2.6rem, 9vw, 7rem);
  font-weight: 700; letter-spacing: 0.06em; line-height: 1.05;
  background: linear-gradient(180deg, #fff, #777);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.outro-jp { margin-top: 22px; font-size: clamp(0.9rem, 1.8vw, 1.1rem); color: #d5d5dd; }
.outro-btns { display: flex; gap: 18px; margin-top: 40px; flex-wrap: wrap; justify-content: center; }

/* ============ SECTIONS COMMON ============ */
.section { padding: clamp(90px, 12vw, 150px) 0; position: relative; }
.section-alt { background: var(--bg2); }
.container { width: min(1120px, 90vw); margin: 0 auto; }
.container-s { width: min(760px, 90vw); }
.sec-kicker {
  font-size: 0.78rem; letter-spacing: 0.45em; color: var(--accent); font-weight: 500;
  margin-bottom: 14px;
}
.sec-title {
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  font-weight: 900; letter-spacing: 0.06em; line-height: 1.5;
  margin-bottom: 20px;
}
.sec-lead { color: var(--muted); font-size: clamp(0.88rem, 1.6vw, 1rem); margin-bottom: 56px; }

.cards3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}

/* SERVICE cards */
.s-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 30px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.s-card:hover { transform: translateY(-6px); border-color: rgba(224, 27, 52, 0.5); }
.s-num {
  font-size: 2.4rem; font-weight: 600; color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  line-height: 1; margin-bottom: 18px;
}
.s-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; letter-spacing: 0.06em; }
.s-card p { font-size: 0.88rem; color: var(--muted); }

/* LINEUP cards */
.bike-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.bike-card:hover {
  transform: translateY(-8px);
  border-color: rgba(224, 27, 52, 0.55);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.bike-thumb {
  aspect-ratio: 13 / 9;
  background: radial-gradient(ellipse at 50% 70%, #1a1a22, #0b0b0f 75%);
  overflow: hidden;
}
.bike-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.bike-card:hover .bike-thumb img { transform: scale(1.05); }
.bike-info { padding: 26px 26px 30px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.bike-info h3 {
  font-size: 1.5rem; font-weight: 600; letter-spacing: 0.08em;
  display: flex; align-items: center; gap: 12px;
}
.tag {
  font-size: 0.75rem; letter-spacing: 0.25em; font-weight: 500;
  color: var(--accent); border: 1px solid rgba(224, 27, 52, 0.6);
  padding: 3px 10px; border-radius: 999px;
}
.bike-spec { font-size: 0.82rem; color: var(--muted); letter-spacing: 0.12em; }
.bike-desc { font-size: 0.85rem; color: #c6c6d0; }
.bike-price { font-size: 1.5rem; font-weight: 600; margin-top: 6px; }
.bike-price span { font-size: 0.75rem; color: var(--muted); font-family: var(--font-jp); margin-left: 8px; }
.bike-info .btn { margin-top: auto; align-self: flex-start; margin-top: 14px; }

/* VOICE */
.v-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  display: flex; flex-direction: column; gap: 14px;
}
.v-stars { color: var(--accent); letter-spacing: 0.3em; font-size: 0.9rem; }
.v-card p { font-size: 0.9rem; color: #d5d5dd; }
.v-card footer { font-size: 0.78rem; color: var(--muted); margin-top: auto; }

/* ACCESS */
.access-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: stretch;
}
.access-map {
  position: relative; min-height: 340px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 50%, #16161d, #0b0b0f);
  background-size: 36px 36px, 36px 36px, cover;
  overflow: hidden;
}
.map-pin {
  position: absolute; left: 50%; top: 46%;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 6px rgba(224, 27, 52, 0.25);
}
.map-pin::after {
  content: ""; position: absolute; inset: -14px;
  border-radius: 50%; border: 2px solid rgba(224, 27, 52, 0.55);
  animation: pinpulse 1.8s ease-out infinite;
}
@keyframes pinpulse {
  0% { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(1.7); opacity: 0; }
}
.map-label {
  position: absolute; left: 50%; top: 58%;
  transform: translateX(-50%);
  font-size: 0.75rem; letter-spacing: 0.3em; color: var(--muted); white-space: nowrap;
}
.access-info { display: flex; flex-direction: column; gap: 0; }
.access-info > div {
  display: grid; grid-template-columns: 110px 1fr; gap: 16px;
  padding: 20px 4px; border-bottom: 1px solid var(--line);
}
.access-info > div:first-child { border-top: 1px solid var(--line); }
.access-info dt { color: var(--muted); font-size: 0.85rem; }
.access-info dd { font-size: 0.92rem; }
.access-info .small { font-size: 0.78rem; color: var(--muted); }
.access-info .tel { font-size: 1.4rem; font-weight: 600; letter-spacing: 0.1em; }

/* CONTACT FORM */
.form { display: flex; flex-direction: column; gap: 22px; position: relative; }
.form-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form label {
  display: flex; flex-direction: column; gap: 8px;
  font-size: 0.85rem; font-weight: 500; color: #c6c6d0;
}
.form label i {
  font-style: normal; display: inline-block; margin-left: 6px;
  font-size: 0.75rem; color: #fff; background: var(--accent-fill);
  padding: 1px 8px; border-radius: 4px; vertical-align: 2px;
  align-self: flex-start; position: absolute; margin-left: 60px;
}
.form label { position: relative; }
.form input, .form select, .form textarea {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--fg);
  font-family: var(--font-jp);
  font-size: 0.95rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  color-scheme: dark;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(224, 27, 52, 0.18);
}
.form textarea { resize: vertical; }
.form .btn-l { align-self: center; margin-top: 10px; }
.form-note { text-align: center; font-size: 0.75rem; color: var(--muted); }
.form-done {
  text-align: center; padding: 30px 20px;
  border: 1px solid rgba(224, 27, 52, 0.5); border-radius: var(--radius);
  background: rgba(224, 27, 52, 0.07);
}
.done-en { font-size: 1.6rem; font-weight: 600; color: var(--accent); letter-spacing: 0.14em; }

/* ============ FOOTER ============ */
#footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 40px;
  background: var(--bg);
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 26px; text-align: center; }
.f-nav { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.f-nav a {
  font-family: var(--font-en); font-size: 0.78rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted); transition: color 0.25s;
}
.f-nav a:hover { color: var(--fg); }
.f-note { font-size: 0.75rem; color: #62626e; max-width: 620px; }
.copy { font-size: 0.75rem; color: #62626e; letter-spacing: 0.2em; }

/* ============ FLOATING CTA ============ */
.float-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 14px 26px;
  background: linear-gradient(135deg, var(--accent-fill), var(--accent-dark));
  border-radius: 999px;
  font-size: 0.85rem; font-weight: 700;
  box-shadow: 0 10px 30px rgba(224, 27, 52, 0.45);
  transform: translateY(140px);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.45s ease;
}
.float-cta .en { font-size: 0.75rem; letter-spacing: 0.35em; opacity: 0.85; }
.float-cta.show { transform: translateY(0); opacity: 1; }
.float-cta:hover { transform: translateY(-3px) scale(1.03); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .cards3 { grid-template-columns: 1fr; }
  .access-grid { grid-template-columns: 1fr; }
  .gnav { display: none; }
  .form-row2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .cap-left, .cap-right {
    /* ★B35-c: 下揃えの基準を「画面の高さの割合」から「入れ物の高さの割合」へ。
       この字の入れ物は .stage-sticky（画面一杯の高さ）なので、
       目測では同じ位置（実測：5プロファイルともずれ 0px）。
       ★画面基準だと、アドレスバーが出ている間だけ入れ物より大きくなり、
       実機では字が入れ物の下へはみ出す。入れ物基準ならそれが起きない。 */
    left: 6vw; right: 6vw; top: auto; bottom: 12%;
    transform: none; text-align: left; max-width: none;
  }
  .header-cta { margin-left: auto; }
  .float-cta { right: 14px; bottom: 14px; padding: 12px 20px; }
  .access-info > div { grid-template-columns: 90px 1fr; }
}

/* ==============================================================
   ★B35-b: JS が読めない・失敗したときの受け皿。
   ★組み立てが終わった合図（<html data-ready="1"）が付いたときだけ隠す。
     付かない＝どこかで失敗した、なので出したままにする。
   ★色は変数を使わない。JS が動かないときでも確実に読めるよう、
     ブラウザの標準色（Canvas / CanvasText）を塗る。
   ★ローダーは静的な塗りつぶしなので、JS が動くときだけ出す。
     放っておくと受け皿を隠してしまう。
   ============================================================== */
.nojs {
  position: fixed; inset: 0; z-index: 1000;
  padding: 12vmin 7vmin;
  display: grid; gap: 1.1rem; align-content: center; justify-items: start;
  background: Canvas; color: CanvasText;
  font-family: system-ui, sans-serif;
}
.nojs__lead { font-size: clamp(20px, 5vw, 34px); line-height: 1.5; margin: 0; }
.nojs__go {
  align-items: center; min-height: 48px; padding: 0 1.4em;
  border: 2px solid currentColor; border-radius: 6px;
  color: CanvasText; text-decoration: none; font-size: 16px;
  display: inline-flex;
}

/* JS が動くなら隠す（本来の画面の手前でちらつかせない） */
:root[data-js='1'] .nojs { display: none; }
/* ★読み込みが終わっても組み立ての合図が無い＝失敗。受け皿を戻して出す */
:root[data-boot='failed'] .nojs { display: grid; }

/* ローダーは JS が動くときだけ。失敗したら引っ込める */
#loader { display: none; }
:root[data-js='1'] #loader { display: flex; }
:root[data-boot='failed'] #loader { display: none; }