/* =============================================
   LifeWithMarine LP スタイルシート
   カラーパレット:
     ターコイズ  : #0EA5E9
     サンドベージュ: #F5E6C8
     サンセットオレンジ: #F97316
     ゴールド    : #F59E0B
     ネイビー    : #1E3A5F
     ホワイト    : #FFFFFF
============================================= */

/* ---- CSS変数 ----------------------------------------- */
:root {
    --c-primary:   #0EA5E9;
    --c-primary-d: #0284C7;
    --c-orange:    #F97316;
    --c-orange-d:  #EA6C0A;
    --c-gold:      #F59E0B;
    --c-sand:      #F5E6C8;
    --c-sand-d:    #EDD8A8;
    --c-navy:      #1E3A5F;
    --c-navy-d:    #152C48;
    --c-white:     #FFFFFF;
    --c-text:      #1a1a2e;
    --c-text-sub:  #555;
    --c-border:    #e8e8e8;
    --c-bg-light:  #F9F6F0;

    --font:        'Noto Sans JP', sans-serif;
    --max-w:       1160px;
    --r-sm:        8px;
    --r-md:        16px;
    --r-lg:        24px;
    --r-xl:        32px;
    --shadow-sm:   0 2px 8px rgba(0,0,0,0.08);
    --shadow-md:   0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg:   0 16px 48px rgba(0,0,0,0.18);
    --transition:  0.3s ease;
}

/* ---- リセット & ベース -------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    color: var(--c-text);
    background: var(--c-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ---- レイアウト -------------------------------------- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- フェードイン ------------------------------------ */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-in--delay { transition-delay: 0.2s; }

/* ---- バッジ ------------------------------------------ */
.badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}
.badge--primary { background: rgba(14,165,233,0.12); color: var(--c-primary); }
.badge--light   { background: rgba(255,255,255,0.25); color: var(--c-white); border: 1px solid rgba(255,255,255,0.5); }
.badge--gold    { background: rgba(245,158,11,0.12); color: var(--c-gold); }

/* ---- ボタン ------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font);
    font-weight: 700;
    border-radius: var(--r-md);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
    text-align: center;
    justify-content: center;
}
.btn--sm  { padding: 8px 18px;  font-size: 13px; }
.btn--md  { padding: 12px 28px; font-size: 15px; }
.btn--lg  { padding: 16px 36px; font-size: 17px; }
.btn--full { width: 100%; }

.btn--primary {
    background: var(--c-primary);
    color: var(--c-white);
}
.btn--primary:hover { background: var(--c-primary-d); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(14,165,233,0.35); }

.btn--orange {
    background: var(--c-orange);
    color: var(--c-white);
}
.btn--orange:hover { background: var(--c-orange-d); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(249,115,22,0.4); }

.btn--outline {
    background: transparent;
    border-color: var(--c-primary);
    color: var(--c-primary);
}
.btn--outline:hover { background: var(--c-primary); color: var(--c-white); transform: translateY(-2px); }

.btn--outline-white {
    background: transparent;
    border-color: rgba(255,255,255,0.7);
    color: var(--c-white);
}
.btn--outline-white:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

/* ゴーストボタン（モーダル起動用） */
.btn--ghost {
    background: transparent;
    border-color: var(--c-primary);
    color: var(--c-primary);
}
.btn--ghost:hover { background: rgba(14,165,233,0.08); transform: translateY(-2px); }

/* 制作中・非活性ボタン */
.btn--disabled {
    background: #cbd5e1;
    color: #64748b;
    border-color: #cbd5e1;
    cursor: not-allowed;
    pointer-events: none;
}

/* 言語切り替えボタン（nav用・スクロール前は白枠、スクロール後は通常枠） */
.btn--outline-nav {
    background: transparent;
    border-color: rgba(255,255,255,0.6);
    color: var(--c-white);
    font-weight: 700;
    letter-spacing: 0.05em;
    min-width: 44px;
}
.btn--outline-nav:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.nav.scrolled .btn--outline-nav {
    border-color: var(--c-primary);
    color: var(--c-primary);
}
.nav.scrolled .btn--outline-nav:hover { background: rgba(14,165,233,0.08); }

/* ---- セクション共通 ---------------------------------- */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-title {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 16px;
}
.section-title--white { color: var(--c-white); }
.section-sub { color: var(--c-text-sub); font-size: 16px; }
.section-sub--white { color: rgba(255,255,255,0.85); }
.highlight      { color: var(--c-orange); }
.highlight-gold { color: var(--c-gold); }

/* ---- Marineちゃんキャラ ------------------------------ */
.marine-char     { width: 120px; }
.marine-char--sm { width: 80px; }
.marine-char--xs { width: 60px; }

/* ---- 吹き出し ---------------------------------------- */
.speech-bubble {
    position: relative;
    background: var(--c-white);
    color: var(--c-text);
    border-radius: var(--r-md);
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}
.speech-bubble--left::before {
    content: '';
    position: absolute;
    left: -10px; top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--c-white);
}
.speech-bubble--right::before {
    content: '';
    position: absolute;
    right: -10px; top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--c-white);
}

/* ---- Glassmorphism ---------------------------------- */
.glass {
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--r-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
/* 暗い背景用（ネイビー寄り） */
.glass-dark {
    background: rgba(30, 58, 95, 0.45);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--r-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    color: var(--c-white);
}
.glass-dark .stat-card__label { color: rgba(255,255,255,0.75); }

/* ---- 写真区切り -------------------------------------- */
.photo-divider {
    height: 160px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}
.photo-divider::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(30,58,95,0.35);
}

/* ============================================= */
/* Navigation                                    */
/* ============================================= */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
    background: rgba(255,255,255,0.97);
    box-shadow: 0 2px 16px rgba(0,0,0,0.08);
    backdrop-filter: blur(8px);
}
.nav__inner {
    max-width: var(--max-w);
    margin: 0 auto;
    height: 68px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.nav__logo-img { width: 36px; height: 36px; object-fit: contain; }
.nav__logo-text {
    font-size: 18px;
    font-weight: 900;
    color: var(--c-white);
    transition: color var(--transition);
}
.nav.scrolled .nav__logo-text { color: var(--c-navy); }

.nav__links {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
}
.nav__links a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    transition: color var(--transition);
}
.nav.scrolled .nav__links a { color: var(--c-text); }
.nav__links a:hover { color: var(--c-primary); }

.nav__cta { flex-shrink: 0; }

.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}
.nav__hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--c-white);
    border-radius: 2px;
    transition: background var(--transition);
}
.nav.scrolled .nav__hamburger span { background: var(--c-navy); }

.nav__mobile {
    display: none;
    background: var(--c-white);
    padding: 16px 24px 24px;
    border-top: 1px solid var(--c-border);
}
.nav__mobile ul { display: flex; flex-direction: column; gap: 4px; }
.nav__mobile-link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--c-text);
    border-bottom: 1px solid var(--c-border);
}
.nav__mobile-cta { margin-top: 16px; }
.nav__mobile.open { display: block; }

/* ============================================= */
/* Hero                                          */
/* ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 8s ease;
}
.hero.loaded .hero__bg { transform: scale(1); }
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(30,58,95,0.55) 0%,
        rgba(14,165,233,0.2) 100%
    );
}
/* glassカード使用時はオーバーレイをさらに薄く */
.hero__overlay--light {
    background: linear-gradient(
        135deg,
        rgba(30,58,95,0.35) 0%,
        rgba(14,165,233,0.12) 100%
    );
}
.hero__inner {
    position: relative;
    z-index: 1;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 100px 24px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
    width: 100%;
}
.hero__content {
    color: var(--c-white);
    padding: 40px 44px;
}
.hero__title {
    font-size: clamp(36px, 5.5vw, 64px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.hero__sub {
    font-size: clamp(15px, 2vw, 18px);
    line-height: 1.8;
    margin-bottom: 40px;
    color: rgba(255,255,255,0.9);
}
.hero__req {
    margin-top: 16px;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.03em;
}
.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: flex-end;
}
.hero__marine-wrap {
    position: relative;
    display: inline-block;
}
.hero__marine {
    width: clamp(220px, 30vw, 380px);
    filter: drop-shadow(0 16px 40px rgba(0,0,0,0.3));
    animation: float 4s ease-in-out infinite;
}
.hero__bubble {
    position: absolute;
    top: 20px; left: -120px;
    background: var(--c-white);
    color: var(--c-navy);
    font-weight: 700;
    font-size: 14px;
    padding: 10px 16px;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}
.hero__bubble::after {
    content: '';
    position: absolute;
    right: -10px; top: 50%;
    transform: translateY(-50%);
    border: 7px solid transparent;
    border-left-color: var(--c-white);
}
.hero__scroll {
    position: absolute;
    bottom: 32px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}
.hero__scroll-text {
    color: rgba(255,255,255,0.6);
    font-size: 11px;
    letter-spacing: 0.15em;
}
.hero__scroll-bar {
    width: 1px; height: 48px;
    background: rgba(255,255,255,0.4);
    position: relative;
    overflow: hidden;
}
.hero__scroll-bar::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 100%;
    background: var(--c-white);
    animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-12px); }
}
@keyframes scrollLine {
    0%   { top: -100%; }
    100% { top: 200%; }
}

/* ============================================= */
/* Proof（実績）                                  */
/* ============================================= */
.proof {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}
.proof__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.proof__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(14,165,233,0.25) 0%,
        rgba(30,58,95,0.45) 100%
    );
}
.proof__container {
    position: relative;
    z-index: 1;
}
.proof__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}
.stat-card {
    padding: 32px 24px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-6px); }
.stat-card__num {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 900;
    color: var(--c-gold);
    line-height: 1.1;
    margin-bottom: 8px;
}
.stat-card__label {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}
.proof__chart-wrap {
    display: flex;
    align-items: flex-end;
    gap: 32px;
    justify-content: center;
}
.proof__chart {
    flex: 1;
    max-width: 640px;
    overflow: hidden;
    padding: 20px;
}
.proof__chart-img { width: 100%; }
.proof__marine {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* ============================================= */
/* Tools（ツール紹介）                            */
/* ============================================= */
.tools {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}
.tools__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.tools__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(15,35,65,0.72) 0%, rgba(14,100,140,0.55) 100%);
}
.tool-card {
    background: rgba(255,255,255,0.95);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--c-border);
    overflow: hidden;
    margin-bottom: 40px;
    position: relative;
    transition: box-shadow var(--transition);
}
.tool-card:hover { box-shadow: var(--shadow-lg); }

.tool-card__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.tool-card__inner--reverse { grid-template-columns: 1fr 1fr; }
.tool-card__content {
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tool-card__header {
    display: flex;
    align-items: center;
    gap: 16px;
}
.tool-card__icon  { width: 52px; height: 52px; object-fit: contain; }
.tool-card__title { font-size: 24px; font-weight: 900; }

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 700;
}
.status-badge--soon      { background: rgba(245,158,11,0.15); color: var(--c-gold); }
.status-badge--available { background: rgba(34,197,94,0.15);  color: #16a34a; }

.tool-card__catch {
    font-size: 17px;
    font-weight: 700;
    color: var(--c-primary);
}
.tool-card__desc {
    font-size: 15px;
    color: var(--c-text-sub);
    line-height: 1.8;
}
.feature-list { display: flex; flex-direction: column; gap: 8px; }
.feature-list li {
    font-size: 14px;
    padding-left: 22px;
    position: relative;
    color: var(--c-text);
}
.feature-list li::before {
    content: '✅';
    position: absolute;
    left: 0;
    font-size: 13px;
}

.tool-card__visual {
    position: relative;
    background: var(--c-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    overflow: hidden;
}
.tool-card__img { width: 100%; max-width: 440px; border-radius: var(--r-md); }

/* ツールカードのボタン行 */
.tool-card__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ============================================= */
/* Other Tools                                    */
/* ============================================= */
.other-tools {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}
.other-tools__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.other-tools__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(15,35,65,0.80) 0%, rgba(14,100,140,0.65) 100%);
}
.mini-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.mini-card {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: var(--r-lg);
    padding: 32px 24px;
    border: 1px solid rgba(255,255,255,0.25);
    text-align: center;
    color: var(--c-white);
    transition: transform var(--transition), box-shadow var(--transition);
}
.mini-card:hover { transform: translateY(-6px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.mini-card__icon { font-size: 40px; margin-bottom: 16px; }
.mini-card__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--c-white);
}
.mini-card__desc { font-size: 14px; color: rgba(255,255,255,0.8); line-height: 1.7; }

/* ============================================= */
/* Plan（プラン）                                  */
/* ============================================= */
.plan {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}
.plan__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.plan__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(30,58,95,0.55) 0%,
        rgba(30,58,95,0.4) 100%
    );
}
.plan__inner { position: relative; z-index: 1; }

.plan__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 860px;
    margin: 0 auto;
}
.plan-card {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--r-xl);
    padding: 40px 32px;
    color: var(--c-white);
    position: relative;
    transition: transform var(--transition);
}
.plan-card:hover { transform: translateY(-6px); }
.plan-card--recommended {
    background: rgba(255,255,255,0.95);
    color: var(--c-text);
    border-color: var(--c-gold);
    border-width: 2px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.25);
}
.plan-card__label {
    position: absolute;
    top: -14px; left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--c-gold), var(--c-orange));
    color: var(--c-white);
    font-size: 13px;
    font-weight: 700;
    padding: 5px 20px;
    border-radius: 99px;
    white-space: nowrap;
}
.plan-card__name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}
.plan-card__price {
    text-align: center;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}
.plan-card--recommended .plan-card__price { border-bottom-color: var(--c-border); }
.plan-card__price-num {
    font-size: 40px;
    font-weight: 900;
    color: var(--c-orange);
}
.plan-card__price-unit { font-size: 16px; opacity: 0.8; }

.plan-card__features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
    margin-bottom: 0;
}
.plan-card__features li {
    font-size: 14px;
    padding-left: 24px;
    position: relative;
}
.plan-card__features li.available::before  { content: '✅'; position: absolute; left: 0; }
.plan-card__features li.unavailable {
    opacity: 0.45;
}
.plan-card__features li.unavailable::before { content: '—'; position: absolute; left: 0; }

/* プランカード注記テキスト */
.plan-card__note {
    font-size: 12px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 16px;
    padding: 10px 12px;
    background: #f1f5f9;
    border-radius: 6px;
    border-left: 3px solid #94a3b8;
}

/* プランカード内アイコン */
.plan-card__icon-wrap {
    text-align: center;
    margin-bottom: 8px;
}
.plan-card__icon {
    width: 56px;
    height: 56px;
    object-fit: contain;
    margin: 0 auto;
}

.plan__marine-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    justify-content: flex-end;
}

/* アフィリエイト告知 */
.affiliate-note {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-top: 40px;
    padding: 24px 28px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--r-lg);
    color: var(--c-white);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}
.affiliate-note__icon {
    font-size: 32px;
    flex-shrink: 0;
    line-height: 1;
}
.affiliate-note__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}
.affiliate-note__desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
}
.affiliate-note__desc strong { color: var(--c-gold); }

/* QRコード */
.cta-section__qr {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 28px;
}
.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.qr-item__img {
    width: 96px;
    height: 96px;
    border-radius: var(--r-sm);
    background: var(--c-white);
    padding: 4px;
}
.qr-item__label {
    font-size: 12px;
    color: rgba(255,255,255,0.85);
    font-weight: 500;
}

/* ============================================= */
/* FAQ                                            */
/* ============================================= */
.faq {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}
.faq__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.faq__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(15,35,65,0.70) 0%, rgba(80,40,10,0.55) 100%);
}
.faq__header {
    display: flex;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 48px;
}
.faq__marine { flex-shrink: 0; }
.faq__list   { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }

.faq-item {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: var(--r-md);
    border: 1px solid rgba(255,255,255,0.4);
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.faq-item[open] { box-shadow: 0 8px 32px rgba(0,0,0,0.25); }
.faq-item__q {
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--c-text);
}
.faq-item__q::-webkit-details-marker { display: none; }
.faq-item__q::after {
    content: '+';
    font-size: 22px;
    color: var(--c-primary);
    flex-shrink: 0;
    font-weight: 300;
    transition: transform var(--transition);
}
.faq-item[open] .faq-item__q::after { transform: rotate(45deg); }
.faq-item__q:hover { background: rgba(14,165,233,0.06); }
.faq-item__a {
    padding: 0 24px 20px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--c-text-sub);
}

/* ============================================= */
/* CTA Section                                    */
/* ============================================= */
.cta-section {
    position: relative;
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
}
.cta-section__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.cta-section__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(30,58,95,0.4) 0%,
        rgba(30,58,95,0.25) 100%
    );
}
.cta-section__inner {
    position: relative;
    z-index: 1;
    color: var(--c-white);
    display: flex;
    justify-content: center;
}
.cta-section__glass {
    padding: 56px 64px;
    text-align: center;
    max-width: 680px;
    width: 100%;
}
.cta-section__marine {
    width: 100px;
    margin: 0 auto 24px;
    filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3));
    animation: float 4s ease-in-out infinite;
}
.cta-section__title {
    font-size: clamp(24px, 4vw, 40px);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 16px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.cta-section__sub {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 40px;
}
.cta-section__buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

/* ============================================= */
/* Footer                                         */
/* ============================================= */
.footer {
    background: var(--c-navy);
    padding: 48px 0 32px;
    color: rgba(255,255,255,0.8);
}
.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}
.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer__logo-img   { width: 36px; opacity: 0.9; }
.footer__brand-name { font-size: 18px; font-weight: 900; color: var(--c-white); }

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 24px;
}
.footer__nav a {
    font-size: 14px;
    opacity: 0.7;
    transition: opacity var(--transition);
}
.footer__nav a:hover { opacity: 1; }

.footer__sns {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}
.sns-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 700;
    transition: all var(--transition);
    opacity: 0.85;
}
.sns-btn:hover { opacity: 1; transform: translateY(-2px); }
.sns-btn--line      { background: #06C755; color: var(--c-white); }
.sns-btn--instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); color: var(--c-white); }
.sns-btn--youtube   { background: #FF0000; color: var(--c-white); }
.sns-btn--note      { background: #41C9B4; color: var(--c-white); }

.footer__copy { font-size: 12px; opacity: 0.5; }

/* ============================================= */
/* Modal                                          */
/* ============================================= */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.modal-overlay.is-open { display: flex; }

.modal {
    background: #fff;
    border-radius: var(--r-xl);
    padding: 40px;
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
}
.modal__close {
    position: absolute;
    top: 16px; right: 16px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--c-text-sub);
    line-height: 1;
    padding: 4px 8px;
}
.modal__close:hover { color: var(--c-text); }

.modal__title {
    font-size: 20px;
    font-weight: 900;
    color: var(--c-primary);
    margin-bottom: 24px;
    padding-right: 32px;
}
.modal__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}
.modal__list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 14px;
    line-height: 1.7;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--c-border);
}
.modal__list li:last-child { border-bottom: none; }

.modal__badge {
    flex-shrink: 0;
    background: rgba(14,165,233,0.12);
    color: var(--c-primary);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    white-space: nowrap;
    margin-top: 3px;
}
.modal__note {
    font-size: 12px;
    color: var(--c-text-sub);
    line-height: 1.6;
    padding: 12px;
    background: #f8fafc;
    border-radius: 6px;
}

/* ============================================= */
/* Responsive                                     */
/* ============================================= */
@media (max-width: 1023px) {
    .hero__inner { grid-template-columns: 1fr; text-align: center; }
    .hero__cta   { justify-content: center; }
    .hero__visual { display: none; }

    .proof__stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .proof__chart-wrap { flex-direction: column; align-items: center; }
    .proof__marine { flex-direction: row; }

    .tool-card__inner,
    .tool-card__inner--reverse { grid-template-columns: 1fr; }
    .tool-card__visual { min-height: 240px; }

    .plan__grid  { grid-template-columns: 1fr; max-width: 440px; }

    .faq__header { justify-content: center; }
}

@media (max-width: 767px) {
    .nav__links { display: none; }
    .nav__cta   { display: none; }
    .nav__hamburger { display: flex; }

    .hero__content { padding: 28px 24px; }
    .hero__title { font-size: 36px; }
    .hero__bubble { left: -100px; font-size: 12px; }

    .cta-section__glass { padding: 36px 24px; }

    .proof__stats { grid-template-columns: 1fr; }

    .mini-cards { grid-template-columns: 1fr; }

    /* モバイルでは fixed パララックスを無効化（iOS/Android 非対応のため） */
    .photo-divider { background-attachment: scroll; }
    .proof__bg,
    .plan__bg, .cta-section__bg,
    .tools__bg, .other-tools__bg, .faq__bg {
        background-attachment: scroll;
        background-position: center bottom;
    }

    .hero__scroll { display: none; }

    .tool-card__content { padding: 28px 20px; }
}

@media (max-width: 480px) {
    .hero__inner  { padding: 88px 20px 60px; }
    .btn--lg      { padding: 14px 24px; font-size: 15px; }
    .section-title { font-size: 24px; }
    .stat-card__num { font-size: 28px; }
}