/* ============================================================
   Lyst. 公式サイト
   デザイン方針: JR東日本アプリ公式サイト(jreast-app.jp)を参考に、
   明るく・まるく・親しみやすいカード基調のランディング。
   配色はアプリの Theme.swift 実値を踏襲。
   ・primary #5452FA / secondary #8F3DF5 / pink #F7368C
   ・mint #0FC792 / sky #1F99FA / sunny #FFA81F / coral #FA6B4D
   見出しは丸ゴシック(SF Rounded / Hiragino Maru)。
   ============================================================ */
/* ダーク基調をメインに(アプリ本体 #0C1014 と統一)。
   明色は data-theme="light" を明示したときだけ(将来のトグル用に温存)。 */
:root {
  --primary:  #5452FA;
  --secondary:#8F3DF5;
  --pink:     #F7368C;
  --mint:     #0FC792;
  --sky:      #1F99FA;
  --sunny:    #FFA81F;
  --coral:    #FA6B4D;

  color-scheme: dark;
  --bg:        #0C1014;
  --bg-soft:   #12161D;      /* 交互セクションのわずかに明るい背景 */
  --card:      #161C24;
  --text:      #F3F5F9;
  --text-sub:  #99A2B2;
  --hairline:  rgba(255,255,255,0.10);
  --shadow-sm: 0 4px 18px rgba(0,0,0,.35);
  --shadow-md: 0 16px 44px rgba(0,0,0,.45);
  --shadow-lg: 0 30px 70px rgba(0,0,0,.55);
  --glow:      rgba(84,82,250,0.42);
  --radius:    26px;
  --radius-lg: 34px;
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg:#FFFFFF; --bg-soft:#F4F5FB; --card:#FFFFFF; --text:#14161C;
  --text-sub:#5B616E; --hairline:rgba(20,22,28,0.09);
  --shadow-sm:0 4px 18px rgba(30,32,60,.07); --shadow-md:0 16px 44px rgba(40,38,90,.13);
  --shadow-lg:0 30px 70px rgba(40,38,90,.22); --glow:rgba(84,82,250,0.28);
}
:root[data-theme="dark"] {
  --bg:#0C1014; --bg-soft:#12161D; --card:#161C24; --text:#F3F5F9;
  --text-sub:#99A2B2; --hairline:rgba(255,255,255,0.10);
  --shadow-sm:0 4px 18px rgba(0,0,0,.35); --shadow-md:0 16px 44px rgba(0,0,0,.45);
  --shadow-lg:0 30px 70px rgba(0,0,0,.55); --glow:rgba(84,82,250,0.40);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
               "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.9; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* 見出しは丸ゴシック */
h1, h2, h3, .logo, .btn, .num, .qf-label, .stat-num {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont,
               "Hiragino Maru Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

/* ---------- ヘッダー ---------- */
header {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  background: color-mix(in srgb, var(--bg) 74%, transparent);
  border-bottom: 1px solid var(--hairline);
}
.nav { display:flex; align-items:center; justify-content:space-between; height:64px; gap:16px; }
.logo {
  font-weight: 900; font-size: 1.6rem; letter-spacing: -0.01em;
  background: linear-gradient(90deg, var(--secondary), var(--pink));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-decoration: none; white-space: nowrap;
}
.nav-links { display:flex; gap:26px; margin-left:auto; }
.nav-links a { color:var(--text-sub); text-decoration:none; font-size:.92rem; font-weight:700; transition:color .15s; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { margin-left: 8px; }

/* ---------- ボタン / バッジ ---------- */
.btn {
  display:inline-flex; align-items:center; gap:9px;
  padding: 14px 28px; border-radius:999px;
  font-weight:800; font-size:1rem; text-decoration:none; color:#fff;
  transition: transform .16s ease, box-shadow .16s ease; border:none; cursor:pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 10px 26px var(--glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px var(--glow); }
.btn-sm { padding: 10px 20px; font-size:.9rem; }
.btn-ghost {
  background: var(--card); color: var(--text);
  border:1px solid var(--hairline); box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { transform: translateY(-2px); }

/* ストアバッジ(App Store 公式 + Chrome 拡張)。どちらも準備中/開発中のダミー。 */
.badges-row { display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.appbadge, .chromebadge {
  position:relative; display:inline-flex; align-items:center;
  height: 52px; box-sizing:border-box;
  transition: transform .16s ease, filter .16s ease;
}
/* Apple 公式バッジ(改変しない。高さ基準でスケール) */
.appbadge img { height:52px; width:auto; display:block; border-radius:9px; }
/* Chrome ウェブストア: ダーク背景では Apple 白バッジに合わせた白カプセル。
   白背景のダウンロードカード内では黒カプセルに切替(下の .dl-card 上書き)。 */
.chromebadge {
  gap:10px; padding: 0 20px 0 15px; border-radius: 9px;
  background:#fff; border:1px solid rgba(0,0,0,.10);
  text-decoration:none; color:#0b0f14;
}
.download-cta .dl-card .chromebadge {
  background:#000; border-color: rgba(255,255,255,.18); color:#fff;
}
.chromebadge img { width:26px; height:26px; display:block; }
.chromebadge .cb-t { display:flex; flex-direction:column; line-height:1.14; text-align:left; }
.chromebadge .cb-t small { font-size:.6rem; opacity:.82; letter-spacing:.01em; }
.chromebadge .cb-t b { font-size:1.04rem; font-weight:700;
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, "Hiragino Sans", sans-serif; }
/* ダミー(準備中/開発中): クリック不可・わずかに沈める */
.appbadge.dummy, .chromebadge.dummy { cursor:default; pointer-events:none; filter:saturate(.92); }
.appbadge.dummy img { opacity:.94; }
/* コーナーの状態タグ */
.badge-tag {
  position:absolute; top:-9px; right:-8px; z-index:2;
  font-size:.6rem; font-weight:800; letter-spacing:.02em;
  padding:3px 9px; border-radius:999px; color:#1a1300;
  background: var(--sunny); box-shadow: var(--shadow-sm);
  font-family: ui-rounded, "SF Pro Rounded", "Hiragino Sans", sans-serif;
}
.badge-tag.dev { background: var(--sky); color:#fff; }

/* ---------- ヒーロー ---------- */
.hero { padding: 74px 0 40px; position:relative; }
.hero::before {
  content:""; position:absolute; inset:-40% -20% auto; height:150%; z-index:0; pointer-events:none;
  background:
    radial-gradient(40% 44% at 20% 24%, color-mix(in srgb, var(--primary) 22%, transparent), transparent 70%),
    radial-gradient(34% 42% at 82% 14%, color-mix(in srgb, var(--pink) 18%, transparent), transparent 70%),
    radial-gradient(30% 40% at 66% 70%, color-mix(in srgb, var(--sky) 16%, transparent), transparent 72%);
}
.hero-grid { position:relative; z-index:1; display:grid; grid-template-columns: 1.08fr .92fr; gap: 24px; align-items:center; }
.hero .kicker {
  display:inline-flex; align-items:center; gap:8px; margin-bottom:18px;
  font-size:.82rem; font-weight:800; color:var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  padding:6px 15px; border-radius:999px;
}
.hero .kicker .dot { width:7px; height:7px; border-radius:50%; background:var(--mint); box-shadow:0 0 0 4px color-mix(in srgb, var(--mint) 22%, transparent); }
.hero h1 { font-size: clamp(2.2rem, 5.4vw, 3.6rem); font-weight: 900; line-height: 1.28; letter-spacing: -0.02em; }
.hero p.lead { margin-top: 22px; color: var(--text-sub); font-size: clamp(1rem, 2vw, 1.14rem); max-width: 33em; }
.hero .cta { margin-top: 30px; display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.hero .note { margin-top:16px; font-size:.82rem; color:var(--text-sub); display:flex; align-items:center; gap:8px; }
.hero .note b { color: var(--text); font-weight:800; }

/* 品詞アンダーライン風ハイライト */
.u { background-repeat:no-repeat; background-size:100% 40%; background-position:0 88%; border-radius:3px; padding:0 2px; }
.u-sky   { background-image: linear-gradient(90deg, color-mix(in srgb,var(--sky) 42%,transparent), color-mix(in srgb,var(--sky) 42%,transparent)); }
.u-pink  { background-image: linear-gradient(90deg, color-mix(in srgb,var(--pink) 42%,transparent), color-mix(in srgb,var(--pink) 42%,transparent)); }
.u-mint  { background-image: linear-gradient(90deg, color-mix(in srgb,var(--mint) 44%,transparent), color-mix(in srgb,var(--mint) 44%,transparent)); }
.u-sunny { background-image: linear-gradient(90deg, color-mix(in srgb,var(--sunny) 48%,transparent), color-mix(in srgb,var(--sunny) 48%,transparent)); }

/* iPhone フレーム */
.phone {
  width: min(300px, 74vw); margin: 0 auto; position:relative;
  border-radius: 52px; padding: 10px; background: #05070a;
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,.2);
}
.phone img { border-radius: 43px; width: 100%; height: auto; aspect-ratio: 620 / 1348; object-fit: cover; }
.hero-phone { position:relative; z-index:1; }
.hero-phone .phone { transform: rotate(2.4deg); }
/* ヒーローに浮かぶ小チップ */
.float-chip {
  position:absolute; z-index:2; background:var(--card); border:1px solid var(--hairline);
  border-radius: 16px; box-shadow: var(--shadow-md); padding:10px 14px;
  display:flex; align-items:center; gap:9px; font-weight:800; font-size:.86rem;
}
.float-chip .fi { width:30px; height:30px; border-radius:9px; display:grid; place-items:center; color:#fff; font-size:15px; }
.float-chip.a { top:8%; left:-6%; }
.float-chip.b { bottom:16%; right:-8%; }
@media (max-width:900px){ .float-chip{ display:none; } }

/* ---------- クイック機能ストリップ ---------- */
.quickfeat { padding: 10px 0 8px; }
.qf-row {
  display:grid; grid-template-columns: repeat(5, 1fr); gap:14px;
  background: var(--card); border:1px solid var(--hairline);
  border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 22px 16px;
}
.qf { text-align:center; display:flex; flex-direction:column; align-items:center; gap:9px; }
.qf .qf-ic { width:52px; height:52px; border-radius:16px; display:grid; place-items:center; color:#fff; font-size:24px; box-shadow: var(--shadow-sm); }
.qf-label { font-size:.86rem; font-weight:800; line-height:1.3; }
@media (max-width:760px){
  .qf-row{ grid-template-columns: repeat(3,1fr); gap:18px 10px; }
}

/* ---------- セクション共通 ---------- */
section { padding: 78px 0; position:relative; }
.section-soft { background: var(--bg-soft); }
.eyebrow {
  display:inline-block; font-size:.78rem; font-weight:800; letter-spacing:.05em;
  color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, transparent);
  border-radius: 999px; padding: 5px 15px; margin-bottom: 15px;
}
.section-head { text-align:center; max-width: 40em; margin: 0 auto 8px; }
h2.section-title { font-size: clamp(1.6rem, 3.6vw, 2.35rem); font-weight:900; letter-spacing:-0.015em; line-height:1.35; }
p.section-sub { color: var(--text-sub); margin-top: 14px; }

/* 交互 機能セクション(番号バッジつき) */
.feature-row { display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; margin-top: 26px; }
.feature-row.flip .feature-copy { order: 2; }
.feature-copy .num {
  display:inline-flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:14px; color:#fff; font-weight:900; font-size:1.15rem;
  margin-bottom:16px; box-shadow: var(--shadow-sm);
}
.feature-copy h2 { font-size: clamp(1.45rem, 3vw, 2rem); font-weight:900; line-height:1.4; letter-spacing:-0.01em; }
.feature-copy p { margin-top: 15px; color: var(--text-sub); font-size:1rem; }
.feature-copy ul { margin: 20px 0 0; list-style:none; }
.feature-copy li { margin: 11px 0; font-size:.97rem; padding-left: 2em; position:relative; }
.feature-copy li::before {
  content:"✓"; position:absolute; left:0; top:.15em;
  color:#fff; font-size:.72rem; font-weight:900; line-height:1.35em; text-align:center;
  width:1.35em; height:1.35em; border-radius:50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}
/* 機能セクションの2枚並べ */
.phone-pair { display:flex; justify-content:center; align-items:flex-start; gap:0; }
.phone-pair .phone:first-child { transform: rotate(-4deg) translateX(8%); z-index:1; }
.phone-pair .phone:last-child { transform: rotate(4deg) translateX(-8%); width:min(270px,66vw); }

/* ---------- スクショギャラリー(横スクロール) ---------- */
.gallery-wrap { margin-top: 34px; overflow-x:auto; overflow-y:hidden; padding: 6px 0 18px; -webkit-overflow-scrolling:touch; }
.gallery { display:flex; align-items:flex-start; gap: 22px; width:max-content; padding: 0 4px; }
.gallery .g-item { width: 220px; flex:none; }
.gallery .phone { width:100%; border-radius:40px; padding:8px; }
.gallery .phone img { border-radius:33px; }
.gallery .g-cap { text-align:center; margin-top:12px; font-size:.86rem; font-weight:800; color:var(--text-sub); }

/* ---------- 機能グリッド ---------- */
.grid { margin-top: 44px; display:grid; gap:20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--card); border:1px solid var(--hairline);
  border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 26px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .chip-icon { width: 50px; height: 50px; border-radius: 15px; display:grid; place-items:center; font-size: 24px; margin-bottom: 15px; color:#fff; box-shadow: var(--shadow-sm); }
.card h3 { font-size: 1.08rem; font-weight:800; margin-bottom: 7px; }
.card p { color: var(--text-sub); font-size: .93rem; }

/* 色タイル */
.tint-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.tint-pink    { background: linear-gradient(135deg, var(--pink),    #FF6AA9); }
.tint-mint    { background: linear-gradient(135deg, var(--mint),    #35E0B2); }
.tint-sky     { background: linear-gradient(135deg, var(--sky),     #5CB8FF); }
.tint-sunny   { background: linear-gradient(135deg, var(--sunny),   #FFC65C); }
.tint-coral   { background: linear-gradient(135deg, var(--coral),   #FF9478); }

/* ---------- 使い方 3ステップ ---------- */
.steps { margin-top: 44px; display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.step { background:var(--card); border:1px solid var(--hairline); border-radius:var(--radius); box-shadow:var(--shadow-sm); padding: 26px; position:relative; }
.step .step-n { font-family: ui-rounded, "SF Pro Rounded", sans-serif; font-weight:900; font-size:2.4rem; line-height:1;
  background: linear-gradient(135deg, var(--primary), var(--pink)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.step h3 { margin: 10px 0 6px; font-size:1.06rem; font-weight:800; }
.step p { color:var(--text-sub); font-size:.92rem; }
@media (max-width:760px){ .steps{ grid-template-columns:1fr; } }

/* ---------- プライバシー帯 ---------- */
.privacy-band { background: var(--bg-soft); border-block: 1px solid var(--hairline); }
.privacy-band .container { max-width: 940px; }
.privacy-band .eyebrow { color:#C9C4FF; background: rgba(124,110,255,.18); }
.privacy-list { margin-top: 34px; display:grid; gap:16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.privacy-item { background: var(--card); border: 1px solid var(--hairline); border-radius: 20px; padding: 22px; font-size:.93rem; color:#CCD3DE; box-shadow: var(--shadow-sm); }
.privacy-item .pi-ic { width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:18px;margin-bottom:12px; background: linear-gradient(135deg, var(--mint), #35E0B2); color:#04140f; }
.privacy-item strong { display:block; color: var(--text); margin-bottom:5px; font-size:1rem; font-weight:800; }

/* ---------- Pro ---------- */
.pro-box {
  margin-top: 40px; border-radius: var(--radius-lg); padding: 40px 34px; text-align:center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 14%, var(--card)), color-mix(in srgb, var(--pink) 11%, var(--card)));
  border: 1px solid var(--hairline); box-shadow: var(--shadow-sm); max-width: 720px; margin-inline:auto;
}
.pro-box .pro-badge { display:inline-block; font-weight:900; font-size:.95rem; color:#fff; padding:6px 18px; border-radius:999px;
  background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: var(--shadow-sm); margin-bottom:14px; }
.pro-box ul { list-style:none; margin: 18px auto 6px; max-width: 26em; text-align:left; }
.pro-box li { margin: 9px 0; color: var(--text); font-weight:600; padding-left:1.7em; position:relative; }
.pro-box li::before { content:"✓"; position:absolute; left:0; color:var(--mint); font-weight:900; }
.pro-box .fine { font-size:.83rem; color:var(--text-sub); margin-top:16px; }

/* ---------- ダウンロードCTA ---------- */
.download-cta { text-align:center; }
.download-cta .dl-inner {
  border-radius: var(--radius-lg); padding: 50px 30px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: var(--shadow-md); position:relative; overflow:hidden;
}
.download-cta .dl-inner::after{ content:""; position:absolute; inset:auto -10% -60% auto; width:60%; height:120%;
  background: radial-gradient(circle at 70% 30%, color-mix(in srgb,var(--pink) 55%,transparent), transparent 60%); opacity:.7; }
.download-cta h2 { color:#fff; font-size: clamp(1.5rem,3.4vw,2.2rem); font-weight:900; position:relative; z-index:1; }
.download-cta p { color: rgba(255,255,255,.9); margin-top:12px; position:relative; z-index:1; }
.download-cta .dl-card {
  margin: 26px auto 0; position:relative; z-index:1; display:inline-flex;
  gap:16px; flex-wrap:wrap; justify-content:center; align-items:center;
  background:#fff; border-radius:22px; padding: 22px 26px;
  box-shadow: 0 18px 44px rgba(0,0,0,.24);
}
.download-cta .dl-card .badge-tag { box-shadow: 0 3px 10px rgba(0,0,0,.2); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 780px; margin: 34px auto 0; }
details { padding: 4px 22px; margin-top: 14px; border-radius: 18px; background: var(--card); border:1px solid var(--hairline); box-shadow: var(--shadow-sm); }
details summary { cursor:pointer; font-weight:800; padding: 15px 0; list-style:none; display:flex; align-items:center; justify-content:space-between; gap:12px; }
details summary::-webkit-details-marker { display:none; }
details summary::after { content:"＋"; color:var(--primary); font-weight:900; font-size:1.15rem; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 0 16px; color: var(--text-sub); font-size:.94rem; }
details a { color: var(--primary); }

/* ---------- 法務ページ ---------- */
.legal { max-width: 800px; margin: 0 auto; padding: 40px 24px 90px; }
.legal-head { padding: 20px 0 8px; }
.legal h1 { font-size: 1.85rem; margin-bottom: 6px; font-weight:900; }
.legal .updated { color: var(--text-sub); font-size:.86rem; }
.legal .backlink { display:inline-flex; align-items:center; gap:6px; margin: 20px 0 8px; font-size:.9rem; font-weight:700; color:var(--primary); text-decoration:none; }
.legal .intro { color: var(--text-sub); font-size:.95rem; margin: 14px 0 8px; }
.legal-body p { margin: 11px 0; font-size:.95rem; }
.legal-body p.article { font-weight: 800; margin-top: 30px; font-size:1.05rem;
  font-family: ui-rounded, "SF Pro Rounded", "Hiragino Maru Gothic ProN", sans-serif; }
.legal-body p.article::before { content:""; display:inline-block; width:8px; height:8px; border-radius:50%;
  background: linear-gradient(135deg,var(--primary),var(--pink)); margin-right:9px; vertical-align:middle; }
.legal-body .contact-card { margin-top: 22px; background: var(--bg-soft); border:1px solid var(--hairline); border-radius:18px; padding: 18px 22px; }

/* ---------- フッター ---------- */
footer { border-top: 1px solid var(--hairline); padding: 40px 0 52px; background: var(--bg-soft); }
.footer-inner { display:flex; flex-wrap:wrap; gap:20px; align-items:center; justify-content:space-between; }
.footer-links { display:flex; gap:22px; flex-wrap:wrap; }
.footer-links a { color: var(--text-sub); font-size:.9rem; text-decoration:none; }
.footer-links a:hover { color: var(--primary); }
.copyright { color: var(--text-sub); font-size:.82rem; }

/* ---------- FAQ 専用ページ ---------- */
.faq-page { max-width: 840px; }
.faq-lead { color: var(--text-sub); font-size:.96rem; margin: 12px 0 4px; }
.faq-cat {
  font-family: ui-rounded, "SF Pro Rounded", "Hiragino Maru Gothic ProN", sans-serif;
  font-weight:900; font-size:1.16rem; margin: 40px 0 8px; display:flex; align-items:center; gap:11px;
}
.faq-cat::before { content:""; width:10px; height:10px; border-radius:50%;
  background: linear-gradient(135deg, var(--primary), var(--pink)); flex:none; }
.faq-page details p { line-height:1.95; }
.faq-page details p + p { margin-top: 10px; }
.faq-note { margin-top: 34px; padding: 16px 18px; border:1px dashed var(--hairline);
  border-radius:14px; color:var(--text-sub); font-size:.85rem; background: var(--bg-soft); }

/* ---------- 使い方(マニュアル) ---------- */
.guide { max-width: 880px; }
.guide-toc { display:grid; grid-template-columns: repeat(auto-fit,minmax(190px,1fr)); gap:8px 14px;
  margin: 20px 0 6px; padding: 18px 20px; background:var(--bg-soft);
  border:1px solid var(--hairline); border-radius:18px; }
.guide-toc a { color:var(--text-sub); text-decoration:none; font-size:.9rem; font-weight:700; padding:5px 2px; }
.guide-toc a:hover { color:var(--primary); }
.guide-sec { margin-top: 42px; scroll-margin-top: 82px; }
.guide-sec > h2 { font-size:1.28rem; font-weight:900; display:flex; align-items:center; gap:12px; line-height:1.4; }
.guide-sec > h2 .gn { width:34px; height:34px; flex:none; border-radius:11px; display:grid; place-items:center;
  color:#fff; font-size:.98rem; font-weight:900; box-shadow: var(--shadow-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.guide-sec p { color:var(--text-sub); margin:12px 0; font-size:.97rem; }
.guide-sec ol, .guide-sec ul { margin: 10px 0 10px 1.4em; }
.guide-sec li { margin: 8px 0; color:var(--text); font-size:.96rem; line-height:1.75; }
.guide-sec li b { font-weight:800; }
.tip { margin: 14px 0; padding: 13px 16px; border-radius:14px; font-size:.9rem; color: var(--text);
  background: color-mix(in srgb, var(--mint) 12%, var(--card));
  border:1px solid color-mix(in srgb, var(--mint) 32%, transparent); }
.tip b { color: var(--mint); }

/* ---------- レスポンシブ ---------- */
@media (max-width: 860px) {
  .nav-links { display:none; }
  .hero { padding-top: 52px; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; text-align:center; }
  .hero .kicker, .hero .cta, .hero .note { justify-content:center; }
  .hero p.lead { margin-inline:auto; }
  .feature-row { grid-template-columns: 1fr; gap: 34px; }
  .feature-row.flip .feature-copy { order: 0; }
  .feature-copy { text-align:center; }
  .feature-copy .num { margin-inline:auto; }
  .feature-copy ul { display:inline-block; text-align:left; }
  section { padding: 58px 0; }
  .phone-pair .phone:first-child{ transform:rotate(-4deg); }
  .phone-pair .phone:last-child{ display:none; }
}