/* Playback18 LP — ダーク・シネマティック(ClaudeDesignハンドオフ 2026-07-13 アンバー版)
   規律: 深緑ダーク #0b1512系 × アンバー #d89e46(ブランド金)。HUD=映像プレイヤー演出 */
:root {
  --bg: #0b1512;            /* ベース背景 */
  --bg-alt: #0e1a15;        /* 交互セクション */
  --card: #101f1a;          /* カード */
  --card-grad: linear-gradient(150deg, #1a2f22, #101f1a);
  --accent: #d89e46;        /* アンバー(現行ブランドのCTA色) */
  --accent-hover: #e6b566;
  --on-accent: #0b1512;     /* アンバー上の文字 */
  --accent-border: rgba(216, 158, 70, .4);
  --accent-border-soft: rgba(216, 158, 70, .25);
  --text: #ffffff;
  --body: rgba(255, 255, 255, .72);   /* 本文(中年層向けに.6→.72へ引き上げ) */
  --body-soft: rgba(255, 255, 255, .65);
  --weak: rgba(255, 255, 255, .48);
  --line: rgba(255, 255, 255, .07);
  --radius: 14px;
  --heading: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --kicker: 'Oswald', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'Noto Sans JP', system-ui, sans-serif;
  line-height: 1.9;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.container { max-width: 1200px; margin: 0 auto; padding: 88px 56px; }
@media (max-width: 760px) { .container { padding: 64px 24px; } }

/* 共通パーツ */
.kicker {
  font: 600 12px var(--kicker); letter-spacing: .25em;
  color: var(--accent); margin-bottom: 14px; text-transform: uppercase;
}
h2 {
  font-family: var(--heading); font-weight: 900; font-size: 36px;
  line-height: 1.45; color: var(--text); margin-bottom: 18px;
}
@media (max-width: 760px) { h2 { font-size: 26px; } }
.section-lead { font-size: 15px; line-height: 2; color: var(--body-soft); max-width: 640px; margin-bottom: 44px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 22px;
}
.btn {
  display: inline-block; padding: 15px 34px; border-radius: 999px;
  font-weight: 700; font-size: 15px;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn-outline { border: 1px solid rgba(255, 255, 255, .35); color: var(--text); font-weight: 500; }
.btn-outline:hover { border-color: rgba(255, 255, 255, .7); color: var(--text); }

/* Nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 21, 18, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.site-header .inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 56px;
}
@media (max-width: 760px) { .site-header .inner { padding: 14px 24px; } }
.site-header img.logo { height: 32px; filter: brightness(0) invert(1); }
.nav { display: flex; align-items: center; gap: 26px; font-size: 13px; font-weight: 500; }
.nav a.nav-link { color: rgba(255, 255, 255, .75); }
.nav a.nav-link:hover { color: var(--text); }
.nav .lang { font-size: 12px; color: rgba(255, 255, 255, .45); }
.nav .lang a { color: rgba(255, 255, 255, .45); }
.nav .lang a:hover { color: var(--text); }
.nav .lang .active { color: rgba(255, 255, 255, .8); }
.nav .btn { padding: 9px 20px; font-size: 13px; }
@media (max-width: 900px) { .nav .nav-link, .nav .lang { display: none; } }

/* Hero */
.hero { position: relative; min-height: 640px; overflow: hidden; }
.hero > img.bg {
  /* シェアシーン画像: 人物は右半分・左は暗部(テキスト載せ用) */
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 40%;
}
@media (max-width: 760px) { .hero > img.bg { object-position: 74% 40%; } }
.hero .shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11, 21, 18, .96) 0%, rgba(11, 21, 18, .78) 42%, rgba(11, 21, 18, .15) 100%);
}
.hero .content {
  /* リファレンスはcontent-box基準のmax-width:640px(=全幅752px)。
     border-box採用のためpadding込みで752pxに合わせ、HUDと重ならない下余白を確保 */
  position: relative; padding: 88px 56px; max-width: 752px;
  margin-left: max(0px, calc((100% - 1200px) / 2));
  display: flex; flex-direction: column; gap: 24px;
}
@media (max-width: 760px) { .hero .content { padding: 56px 24px 64px; } }
.hero .badge { display: flex; align-items: center; gap: 10px; }
.hero .badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .35; } }
.hero .badge span:last-child {
  font: 600 12px var(--kicker); letter-spacing: .25em; color: var(--accent);
}
.hero h1 {
  font-family: var(--heading); font-weight: 900; font-size: 54px;
  line-height: 1.28; letter-spacing: .01em; color: var(--text);
}
/* 32px: 390px幅で「ラウンドの楽しみは、」(10字)が1行に収まる上限 */
@media (max-width: 760px) { .hero h1 { font-size: 32px; } }
.hero p.lead { font-size: 16px; line-height: 2; color: var(--body); max-width: 440px; }
.hero .cta-row { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }

/* HUD(映像プレイヤー風・装飾) */
.hud {
  position: absolute; left: 56px; right: 56px; bottom: 28px;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 20px;
  background: rgba(11, 21, 18, .72);
  border: 1px solid var(--accent-border-soft);
  border-radius: 12px; backdrop-filter: blur(8px);
}
@media (max-width: 760px) { .hud { left: 24px; right: 24px; bottom: 20px; } .hud .time { display: none; } }
.hud .play {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center; font-size: 13px;
}
.hud .track { flex: 1; height: 4px; background: rgba(255, 255, 255, .15); border-radius: 2px; position: relative; }
.hud .track .fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 38%;
  background: var(--accent); border-radius: 2px;
  animation: seek 1.6s cubic-bezier(.2, .8, .2, 1) 1;
}
@keyframes seek { from { width: 0; } to { width: 38%; } }
.hud .time { font: 600 12px var(--kicker); letter-spacing: .12em; color: rgba(255, 255, 255, .8); white-space: nowrap; }

/* 今日のラウンドを、もう一度。 */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .grid-4 { grid-template-columns: 1fr; } }
.scene-num { font: 700 22px var(--kicker); color: var(--accent); margin-bottom: 14px; }
/* シーンカード(2026-07-13): 背景に情景写真+暗幕オーバーレイで文字を保護 */
.scene-card { position: relative; overflow: hidden; background-size: cover; background-position: center; border-color: rgba(255, 255, 255, .14); }
.scene-card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11, 21, 18, .78) 0%, rgba(11, 21, 18, .55) 45%, rgba(11, 21, 18, .88) 100%);
}
.scene-card > * { position: relative; z-index: 1; }
.scene-card p { color: rgba(255, 255, 255, .82); }
/* 本番のスイング: ひらめき画像 */
.insight-img {
  width: 100%; border-radius: 14px; margin: 26px 0 20px;
  border: 1px solid rgba(255, 255, 255, .1); display: block;
}
/* 面倒なことはぜんぶAIが: カード上部メディア(カードpadding 26pxを打ち消して全幅) */
.autoai-media {
  width: calc(100% + 52px); margin: -26px -26px 16px;
  height: 150px; object-fit: cover; display: block;
  border-radius: 14px 14px 0 0; max-width: none;
}
.card h3 { font-weight: 700; font-size: 16px; color: var(--text); margin-bottom: 10px; line-height: 1.6; }
.card p { font-size: 13.5px; line-height: 1.9; color: var(--body); }

/* 使い方は3ステップ */
.alt { background: var(--bg-alt); border-top: 1px solid rgba(255, 255, 255, .06); border-bottom: 1px solid rgba(255, 255, 255, .06); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; padding: 0; }
.step img, .step .mock-media { width: 100%; height: 200px; object-fit: cover; }
.step .mock-media {
  display: grid; place-items: center;
  background: linear-gradient(160deg, #12241d, #0e1a15);
}
.step .mock-media .up {
  width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 16px;
  background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center; font-size: 24px; font-weight: 700;
}
.step .mock-media .cap { font: 600 11px var(--kicker); letter-spacing: .2em; color: rgba(255, 255, 255, .55); text-align: center; }
/* 実アプリスクショ(縦長・全画面表示): スマホ画面比率のまま等倍で見せる
   (2026-07-13ユーザー要望「切り抜きでなく縦長で全画面」) */
.step .app-shot {
  height: 380px; display: grid; place-items: center;
  background: linear-gradient(160deg, #12241d, #0e1a15);
  padding: 18px 0;
}
.step .app-shot img {
  height: 100%; width: auto; object-fit: contain;
  border-radius: 12px; border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}
.step .body { padding: 24px; }
.step .head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.step .num { font: 700 26px var(--kicker); color: var(--accent); }
.step .head span:last-child { font-weight: 700; font-size: 17px; color: var(--text); }

/* 生成される動画のイメージ */
.sample-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; align-items: stretch; }
@media (max-width: 900px) { .sample-grid { grid-template-columns: 1fr; } }
.sample-main {
  position: relative; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(216, 158, 70, .3);
}
.sample-main img { width: 100%; height: 100%; object-fit: cover; }
.sample-col { display: flex; flex-direction: column; gap: 18px; }
.sample-sub { position: relative; border-radius: 16px; overflow: hidden; flex: 1; min-height: 180px; }
/* 焼き込みテロップ(左上)を切らないよう上端基準でクロップ */
.sample-sub img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: left top; }
@media (max-width: 900px) {
  /* モバイルは16:9をそのまま見せる=テロップ欠け防止(2026-07-13ユーザー報告) */
  .sample-sub { flex: none; aspect-ratio: 16 / 9; min-height: 0; }
}
.badge-chip {
  position: absolute; top: 14px; left: 14px; padding: 5px 12px;
  background: rgba(11, 21, 18, .8); color: var(--accent);
  font: 600 11px var(--kicker); letter-spacing: .15em; border-radius: 6px;
}
.cap-chip {
  position: absolute; bottom: 14px; left: 14px; padding: 5px 12px;
  background: rgba(11, 21, 18, .8); color: var(--text); font-size: 12px; border-radius: 6px;
}
.sample-soon {
  background: var(--card); border-radius: 16px; padding: 22px;
  border: 1px dashed rgba(216, 158, 70, .35);
  display: flex; align-items: center; gap: 14px;
}
.sample-soon .play {
  width: 38px; height: 38px; border-radius: 50%; flex: none;
  border: 1px solid rgba(216, 158, 70, .5); color: var(--accent);
  display: grid; place-items: center; font-size: 13px;
}
.sample-soon .t { font-weight: 700; font-size: 14.5px; color: var(--text); }
.sample-soon .s { font-size: 12.5px; color: rgba(255, 255, 255, .55); margin-top: 4px; }
.note { margin-top: 20px; font-size: 12px; color: var(--weak); max-width: 640px; }

/* 本番のスイング */
.realswing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
@media (max-width: 900px) { .realswing-grid { grid-template-columns: 1fr; gap: 36px; } }
.realswing-grid .copy p.body-text { font-size: 15px; line-height: 2.1; color: var(--body); margin-bottom: 18px; }
.realswing-grid .copy strong { color: var(--accent); }
.quote {
  border-left: 3px solid var(--accent); padding: 6px 0 6px 20px; margin: 28px 0;
  font-size: 15px; font-weight: 700; line-height: 2; color: var(--text);
}
.realswing-cards { display: flex; flex-direction: column; gap: 16px; }
.realswing-cards .card { padding: 24px; }
.realswing-cards .card.hl {
  background: var(--card-grad); border: 1px solid var(--accent-border);
}
.realswing-cards .card.hl h3 { color: var(--accent); }
.realswing-cards .card.hl p { color: var(--body); }

/* 特徴 */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
/* 特徴カードの5枚目(奇数)を横いっぱいに置いて余白の穴を作らない */
.grid-2 > .span2 { grid-column: 1 / -1; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
.feature { display: flex; gap: 18px; padding: 26px; }
.feature .chip {
  font: 700 15px var(--kicker); color: var(--accent); flex: none;
  width: 44px; height: 44px; border: 1px solid var(--accent-border);
  border-radius: 10px; display: grid; place-items: center;
}
.feature .chip.big { font-size: 20px; }
.feature h3 { margin-bottom: 8px; }

/* 面倒なことは、ぜんぶAIが。 */
.autoai { position: relative; overflow: hidden; border-top: 1px solid rgba(255, 255, 255, .06); border-bottom: 1px solid rgba(255, 255, 255, .06); }
.autoai > img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.autoai .shade { position: absolute; inset: 0; background: rgba(11, 21, 18, .88); }
.autoai .container { position: relative; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
.autoai .card {
  background: rgba(16, 31, 26, .85); backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, .1); padding: 26px;
}
.autoai .card p { color: var(--body-soft); }

/* 料金プラン */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; } }
.plan { background: var(--card); border: 1px solid rgba(255, 255, 255, .09); border-radius: 16px; padding: 32px 28px; }
.plan .plan-kicker {
  font: 600 12px var(--kicker); letter-spacing: .2em;
  color: rgba(255, 255, 255, .5); margin-bottom: 16px;
}
.plan .price { margin-bottom: 18px; }
.plan .price .v { font-family: var(--heading); font-weight: 900; font-size: 38px; color: var(--text); }
.plan .price .u { font-size: 13px; color: rgba(255, 255, 255, .55); }
.plan p { font-size: 13.5px; line-height: 1.9; color: var(--body); }
/* プラン注記(無料の全体上限など。本文より一段弱く・規約へのリンクはアクセント色) */
.plan p.plan-note { margin-top: 10px; font-size: 11.5px; line-height: 1.75; color: var(--weak); }
.plan p.plan-note a { color: var(--accent); }
.plan.featured {
  position: relative; background: linear-gradient(160deg, #1a2f22, #101f1a);
  border: 1px solid var(--accent);
  box-shadow: 0 0 40px rgba(216, 158, 70, .12);
}
.plan.featured .plan-kicker { color: var(--accent); }
.plan.featured p { color: var(--body); }
.plan.featured .badge-reco {
  position: absolute; top: -13px; left: 28px; padding: 5px 16px;
  background: var(--accent); color: var(--on-accent);
  font-size: 11.5px; font-weight: 700; border-radius: 999px;
}
@media (max-width: 900px) { .pricing-grid { margin-top: 8px; } .plan.featured { order: -1; } }

/* FAQ(排他アコーディオン=details name属性) */
.faq-wrap { max-width: 920px; margin: 0 auto; padding: 88px 56px; }
@media (max-width: 760px) { .faq-wrap { padding: 64px 24px; } }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden;
}
.faq-list summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; cursor: pointer; list-style: none;
  font-weight: 700; font-size: 15px; color: var(--text);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { background: #13241d; }
.faq-list summary::after { content: "＋"; color: var(--accent); font-size: 18px; flex: none; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 24px 22px; font-size: 14px; line-height: 2; color: var(--body-soft); }

/* お問い合わせ */
.contact { padding: 96px 56px; text-align: center; }
@media (max-width: 760px) { .contact { padding: 72px 24px; } }
.contact .kicker { justify-content: center; }
.contact p { margin: 0 auto 36px; font-size: 15px; line-height: 2; color: var(--body-soft); max-width: 520px; }
.contact .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 36px 56px;
  padding-inline: max(56px, calc((100% - 1200px) / 2 + 56px));
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
@media (max-width: 760px) { .site-footer { padding: 28px 24px; } }
.site-footer img { height: 26px; filter: brightness(0) invert(1); opacity: .7; }
.site-footer .links { display: flex; gap: 24px; font-size: 12.5px; flex-wrap: wrap; }
.site-footer .links a { color: rgba(255, 255, 255, .55); }
.site-footer .links a:hover { color: var(--text); }
.site-footer .copy { font-size: 12px; color: var(--weak); }