/* ====================================
   Bubblin Series - Main CSS
   ==================================== */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Fredoka+One&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root {
    /* メインカラー（バブリン・バブリンmini用） */
    --color-bg: #eaf6ff;
    --color-bg-2: #d8eeff;
    --color-cyan: #3bc1e3;
    --color-cyan-dark: #1fa4c8;
    --color-cyan-light: #b8e8f5;
    --color-orange: #ff8c4a;
    --color-pink: #ff7eb4;
    --color-yellow: #ffde40;
    --color-white: #ffffff;
    --color-text: #2a4858;
    --color-text-light: #6a8096;

    /* リトルバブリン用（シャボン玉・パステル虹色） */
    --color-little-bg: #fef5ff;
    --color-little-pink: #ffb8e0;
    --color-little-purple: #c8a8f0;
    --color-little-blue: #a8d4ff;

    /* マジックバブリン用（ダーク・神秘的） */
    --color-magic-bg: #0d0a2e;
    --color-magic-bg2: #1a1050;
    --color-magic-glow: #c87aff;
    --color-magic-smoke: #e8d8ff;
    --color-magic-accent: #6ee8ff;

    --font-main: 'Nunito', 'Noto Sans JP', sans-serif;
    --font-display: 'Fredoka One', 'Nunito', sans-serif;

    --radius-lg: 24px;
    --radius-xl: 40px;
    --shadow-soft: 0 8px 32px rgba(59, 193, 227, 0.15);
    --shadow-card: 0 6px 24px rgba(0, 0, 0, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
    line-height: 1.7;
    font-weight: 500;
}

img { max-width: 100%; height: auto; display: block; }

/* ════════════════════════════════════
   Header
   ════════════════════════════════════ */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(12px);
    border-bottom: 2px solid rgba(59,193,227,0.2);
    padding: 0 24px;
    height: 86px;
    display: flex;
    align-items: center;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.site-logo-img {
    height: 72px;
    width: auto;
    display: block;
}
.site-logo-series {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--color-cyan-dark);
    letter-spacing: 0.18em;
    padding: 4px 12px;
    background: rgba(59,193,227,0.12);
    border-radius: 22px;
    line-height: 1;
    margin-left: 4px;
}
@media (max-width: 540px) {
    .site-logo-img { height: 56px; }
    .site-logo-series { font-size: 0.78rem; padding: 3px 9px; }
}

.header-nav { display: flex; gap: 24px; align-items: center; margin-left: 36px; }
.header-nav a {
    font-weight: 800;
    font-size: 0.88rem;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s;
}
.header-nav a:hover { color: var(--color-cyan); }

.header-cta {
    background: linear-gradient(135deg, var(--color-orange), var(--color-pink));
    color: white !important;
    padding: 10px 22px;
    border-radius: 50px;
    font-weight: 900 !important;
    box-shadow: 0 4px 16px rgba(255,140,74,0.35);
}

.header-sns {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}
.header-sns-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(59,193,227,0.4);
    color: #47607a;
    text-decoration: none;
    transition: all 0.2s;
}
.header-sns-link:hover {
    color: #3b8fe3;
    border-color: #3b8fe3;
    box-shadow: 0 0 10px rgba(59,143,227,0.25);
    transform: translateY(-2px);
}
.header-sns-link svg { width: 16px; height: 16px; fill: currentColor; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--color-cyan);
    border-radius: 2px;
}

/* ════════════════════════════════════
   Hero
   ════════════════════════════════════ */
.hero {
    min-height: 100vh;
    background: linear-gradient(160deg, #d0eeff 0%, #e8f4ff 50%, #ffe8f4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero-bubbles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.55;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(160deg, rgba(208,238,255,0.55) 0%, rgba(232,244,255,0.55) 50%, rgba(255,232,244,0.6) 100%);
    pointer-events: none;
}

.hero-content { position: relative; z-index: 3; max-width: 780px; }

/* ドカンと大きなキャラを背景に配置 */
.hero-char-bg {
    position: absolute;
    left: 50%;
    top: 52%;
    width: min(115vw, 1100px);
    max-width: none;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
    animation: bounceSoft 4.5s ease-in-out infinite;
    filter: drop-shadow(0 28px 60px rgba(59,193,227,0.28));
    opacity: 0.92;
}

@keyframes bounceSoft {
    0%, 100% { transform: translate(-50%, -50%); }
    50%      { transform: translate(-50%, -54%); }
}

/* ════════════════════════════════════
   ちりばめバブリンくん
   ════════════════════════════════════ */
.hero-char-scatter {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}
.hero-char-scatter .c {
    position: absolute;
    max-width: none;
    filter: drop-shadow(0 8px 18px rgba(59,193,227,0.25));
    will-change: transform;
    animation: floatChar 6s ease-in-out infinite;
}

/* 変形バリエーション（base transform を各要素で設定） */
.hero-char-scatter .c.flip-x       { --base: scaleX(-1); }
.hero-char-scatter .c.upside-down  { --base: rotate(180deg); }
.hero-char-scatter .c.tilt-right   { --base: rotate(18deg); }
.hero-char-scatter .c.tilt-left    { --base: rotate(-15deg); }

/* 配置・サイズ（大きい子・小さい子を散らす） */
.hero-char-scatter .c1  { width: 220px; top: 8%;  left: 4%;  animation-delay: 0s; }
.hero-char-scatter .c2  { width: 120px; top: 14%; left: 58%; animation-delay: -1.2s; }
.hero-char-scatter .c3  { width: 90px;  top: 6%;  right: 6%; animation-delay: -2.4s; }
.hero-char-scatter .c4  { width: 160px; top: 38%; right: 4%; animation-delay: -0.8s; } /* 逆さ */
.hero-char-scatter .c5  { width: 70px;  top: 30%; left: 18%; animation-delay: -3s; }
.hero-char-scatter .c6  { width: 110px; top: 62%; left: 3%;  animation-delay: -1.8s; }
.hero-char-scatter .c7  { width: 95px;  top: 68%; right: 10%; animation-delay: -2.9s; }
.hero-char-scatter .c8  { width: 55px;  top: 48%; left: 48%; animation-delay: -0.4s; }
.hero-char-scatter .c9  { width: 140px; bottom: 6%; left: 28%; animation-delay: -3.6s; }
.hero-char-scatter .c10 { width: 75px;  bottom: 10%; right: 24%; animation-delay: -2.1s; }

/* キーフレーム：baseの変形を保ったままふわふわ */
@keyframes floatChar {
    0%, 100% { transform: var(--base, none) translateY(0); }
    50%      { transform: var(--base, none) translateY(-12px); }
}

/* モバイルでは少し間引く・縮める */
@media (max-width: 720px) {
    .hero-char-scatter .c5,
    .hero-char-scatter .c8,
    .hero-char-scatter .c10 { display: none; }
    .hero-char-scatter .c1  { width: 150px; top: 6%; left: -3%; }
    .hero-char-scatter .c2  { width: 80px; top: 10%; left: 62%; }
    .hero-char-scatter .c3  { width: 70px; top: 4%; right: -2%; }
    .hero-char-scatter .c4  { width: 110px; top: 42%; right: -5%; }
    .hero-char-scatter .c6  { width: 85px; top: 66%; left: -3%; }
    .hero-char-scatter .c7  { width: 75px; top: 70%; right: -2%; }
    .hero-char-scatter .c9  { width: 95px; bottom: 4%; left: 32%; }
}

/* 旧スタイル（使わない場合用の念のための定義） */
.hero-char {
    width: 110px;
    height: 110px;
    margin: 0 auto 20px;
    animation: bounceSoft 2.5s ease-in-out infinite;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-pink));
    color: white;
    font-weight: 900;
    font-size: 0.85rem;
    padding: 6px 22px;
    border-radius: 50px;
    margin-bottom: 24px;
    letter-spacing: 0.08em;
    box-shadow: 0 4px 16px rgba(59,193,227,0.3);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 6vw, 4rem);
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 18px rgba(255,255,255,0.9), 0 0 24px rgba(255,255,255,0.85);
}

.hero-title .accent-cyan { color: var(--color-cyan); }
.hero-title .accent-pink { color: var(--color-pink); }
.hero-title .accent-orange { color: var(--color-orange); }

.hero-sub {
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    color: var(--color-text);
    margin-bottom: 40px;
    line-height: 1.9;
    font-weight: 700;
    text-shadow: 0 2px 14px rgba(255,255,255,0.95), 0 0 18px rgba(255,255,255,0.85);
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-orange), var(--color-pink));
    color: white;
    font-family: var(--font-main);
    font-weight: 900;
    font-size: 1rem;
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(255,140,74,0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255,140,74,0.5);
}

.btn-secondary {
    background: white;
    color: var(--color-cyan-dark);
    font-family: var(--font-main);
    font-weight: 900;
    font-size: 1rem;
    padding: 14px 38px;
    border-radius: 50px;
    text-decoration: none;
    border: 2.5px solid var(--color-cyan);
    transition: transform 0.2s, background 0.2s;
    cursor: pointer;
}
.btn-secondary:hover {
    transform: translateY(-3px);
    background: var(--color-cyan-light);
}

/* ════════════════════════════════════
   Section common
   ════════════════════════════════════ */
.section { padding: 100px 24px; }
.section-inner { max-width: 1100px; margin: 0 auto; }

.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-label {
    display: inline-block;
    font-weight: 900;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--color-cyan);
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    color: var(--color-text);
    line-height: 1.3;
}
.section-title .accent { color: var(--color-orange); }
.section-desc {
    margin-top: 18px;
    color: var(--color-text);
    font-size: 1rem;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 600;
}

.section-char {
    display: block;
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
}

/* ════════════════════════════════════
   Machines Section (Intro)
   ════════════════════════════════════ */
.machines-section { background: white; position: relative; }

.machines-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
@media (max-width: 1024px) {
    .machines-grid { grid-template-columns: repeat(2, 1fr); }
}

.machine-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}
.machine-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(59,193,227,0.25);
}

.machine-card-img {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.machine-card-img.bub-bg { background: linear-gradient(135deg, #b8e8ff, #d8f0ff); }
.machine-card-img.mini-bg { background: linear-gradient(135deg, #fff0c8, #ffe0b0); }
.machine-card-img.little-bg { background: linear-gradient(135deg, #f0d8ff, #ffd8f0, #d8ecff); }
.machine-card-img.magic-bg {
    background: linear-gradient(135deg, #1a0a40, #2a1060);
    box-shadow: inset 0 0 60px rgba(200,120,255,0.3);
}

.machine-card-img.has-photo { padding: 0; overflow: hidden; }
.machine-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.machine-card-img-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
}

.machine-card-body { padding: 26px; flex-grow: 1; display: flex; flex-direction: column; }

.machine-tag {
    display: inline-block;
    width: fit-content;
    font-size: 0.72rem;
    font-weight: 900;
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 10px;
    letter-spacing: 0.08em;
}
.tag-standard { background: #d0eefc; color: var(--color-cyan-dark); }
.tag-mini { background: #ffe8d0; color: #e87030; }
.tag-little { background: #f0d8ff; color: #a060d0; }
.tag-magic { background: #2a1060; color: var(--color-magic-glow); }

.machine-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}
.machine-card.magic .machine-name { color: white; }

.machine-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.7;
    flex-grow: 1;
}
.machine-card.magic .machine-desc { color: #b8a8d8; }

.machine-price {
    font-weight: 900;
    font-size: 1.3rem;
    color: var(--color-cyan-dark);
}
.machine-card.magic .machine-price { color: var(--color-magic-glow); }
.machine-price .unit { font-size: 0.8rem; font-weight: 700; color: var(--color-text-light); margin-left: 4px; }
.machine-card.magic .machine-price .unit { color: #a898c8; }

/* マジックカード */
.machine-card.magic {
    background: linear-gradient(160deg, var(--color-magic-bg), var(--color-magic-bg2));
    border: 1px solid rgba(200,120,255,0.3);
    box-shadow: 0 8px 40px rgba(180,110,240,0.25);
}
.machine-card.magic:hover {
    box-shadow: 0 20px 60px rgba(180,110,240,0.45);
}

/* ════════════════════════════════════
   Features Section
   ════════════════════════════════════ */
.features-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, #f8fcff 100%);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.feature-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s;
    border: 2px solid #e0f4ff;
}
.feature-card:hover { transform: translateY(-6px); }

.feature-num {
    font-family: var(--font-display);
    font-size: 2.4rem;
    color: var(--color-orange);
    line-height: 1;
    margin-bottom: 10px;
}
.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 110px;
}
.feature-icon svg {
    width: 110px;
    height: 110px;
    display: block;
}
.feature-title {
    font-weight: 900;
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: 14px;
    line-height: 1.4;
}
.feature-desc {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ════════════════════════════════════
   Pricing Section
   ════════════════════════════════════ */
/* ════════════════════════════════════
   Gallery (Videos)
   ════════════════════════════════════ */
.gallery-section {
    background: linear-gradient(160deg, #eaf6ff, #fff0f5);
}
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}
.video-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s, box-shadow 0.3s;
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(59,193,227,0.2);
}
.video-youtube {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
}
.video-youtube iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.video-card video {
    width: 100%;
    height: auto;
    display: block;
    background: #000;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.video-caption {
    padding: 16px 20px;
    font-weight: 800;
    color: var(--color-text);
    font-size: 0.95rem;
}

.pricing-section { background: white; }

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
    margin-bottom: 36px;
}

.price-card {
    border-radius: var(--radius-lg);
    padding: 32px 22px;
    text-align: center;
    border: 2px solid #e0f4ff;
    transition: transform 0.3s, box-shadow 0.3s;
    background: var(--color-bg);
    position: relative;
}
.price-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-soft);
}
.price-card.little {
    background: linear-gradient(160deg, #fff0ff, #f0e8ff, #e8f4ff);
    border-color: rgba(200,168,240,0.4);
}
.price-card.magic {
    background: linear-gradient(160deg, #0d0a2e, #1a1050);
    border-color: rgba(200,120,255,0.4);
    box-shadow: 0 8px 40px rgba(180,110,240,0.25);
}

.price-tag {
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    color: var(--color-cyan-dark);
    text-transform: uppercase;
    margin-bottom: 6px;
}
.price-card.little .price-tag { color: #a060d0; }
.price-card.magic .price-tag { color: var(--color-magic-glow); }

.price-name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--color-text);
    margin-bottom: 16px;
}
.price-card.magic .price-name { color: white; }

.price-amount {
    font-weight: 900;
    font-size: 1.8rem;
    color: var(--color-text);
    line-height: 1.1;
}
.price-card.magic .price-amount { color: var(--color-magic-glow); }

.price-amount small {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-light);
}
.price-card.magic .price-amount small { color: #b8a8d8; }

.price-ask {
    letter-spacing: 0.05em;
}
.price-ask small {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    letter-spacing: 0;
}

.price-tag.tag-package {
    background: linear-gradient(135deg, #ff9a3d, #ff6b3d);
    color: #fff !important;
    padding: 5px 14px;
    border-radius: 999px;
    display: inline-block;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 14px rgba(255,107,61,0.28);
}
.price-tag.tag-rental {
    background: rgba(59, 184, 224, 0.14);
    color: var(--color-primary, #3bb8e0) !important;
    padding: 5px 14px;
    border-radius: 999px;
    display: inline-block;
    letter-spacing: 0.03em;
}
.price-card.magic .price-tag.tag-rental {
    background: rgba(200, 120, 255, 0.22);
    color: var(--color-magic-glow, #e8d8ff) !important;
}

.price-sale {
    display: inline-block;
    background: var(--color-orange);
    color: white;
    font-size: 0.72rem;
    font-weight: 900;
    padding: 3px 12px;
    border-radius: 50px;
    margin-top: 10px;
}

.price-desc {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 12px;
    line-height: 1.6;
}
.price-card.magic .price-desc { color: #b8a8d8; }

.price-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
    background: var(--color-bg-2);
    border-radius: 14px;
    padding: 18px 24px;
    font-weight: 600;
}

.price-strike {
    text-decoration: line-through;
    color: var(--color-text-light);
    margin-right: 6px;
}
.price-promo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.price-badge {
    display: inline-block;
    background: var(--color-orange, #ff6b3d);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.05em;
}
.price-promo-amount {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.6rem;
    color: var(--color-orange, #ff6b3d);
    line-height: 1.1;
}
.price-promo-amount small {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-left: 2px;
}

.price-rental-only {
    display: inline-block;
    background: rgba(59, 184, 224, 0.12);
    color: var(--color-primary, #3bb8e0);
    font-size: 0.78rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 999px;
    margin: 6px 0 10px;
    letter-spacing: 0.03em;
}
.price-card.magic .price-rental-only {
    background: rgba(200, 120, 255, 0.18);
    color: var(--color-magic-glow, #e8d8ff);
}

.price-notes {
    margin-top: 32px;
    background: var(--color-bg-2);
    border-radius: 14px;
    padding: 20px 28px;
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.8;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}
.price-notes p { margin: 0; }
.price-notes p > span { display: block; }
.price-notes p + p { margin-top: 14px; }
.price-notes strong {
    display: block;
    color: var(--color-primary, #3bb8e0);
    font-weight: 800;
    margin-bottom: 2px;
}

/* ════════════════════════════════════
   Flow Section
   ════════════════════════════════════ */
.flow-section { background: linear-gradient(160deg, #d8eeff, #f0e8ff); }

.flow-header { text-align: center; }
.flow-title-tag {
    display: inline-block;
    background: #d3ecfa;
    padding: 6px 24px;
    border-top: 2px dashed #fff;
    border-bottom: 2px dashed #fff;
    box-shadow: inset 0 0 0 2px #d3ecfa;
    color: #1d4a6b;
    margin-bottom: 18px;
}
.flow-lead {
    font-size: 1.15rem;
    font-weight: 700;
    color: #2a4a66;
    margin-top: 4px;
}
.flow-lead-mark {
    background: linear-gradient(transparent 60%, #ffb07a 60%);
    padding: 0 2px;
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 820px;
    margin: 40px auto 0;
}

.flow-step {
    display: flex;
    align-items: stretch;
    background: white;
    border: 2px solid var(--color-cyan);
    border-radius: 999px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    min-height: 120px;
}

.flow-step-label {
    flex: 0 0 160px;
    background: #b9e3f4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 10px;
}
.flow-step-num {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1rem;
    color: #1d4a6b;
    letter-spacing: 0.06em;
}
.flow-step-icon {
    width: 52px;
    height: 52px;
    color: #1d4a6b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.flow-step-icon svg { width: 100%; height: 100%; }

.flow-step-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 18px 32px;
}
.flow-step-title {
    font-size: 1.15rem;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 6px;
}
.flow-step-note {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-left: 8px;
}
.flow-step-desc {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.flow-step-arrow {
    width: 0;
    height: 0;
    margin: -4px auto;
    border-left: 18px solid transparent;
    border-right: 18px solid transparent;
    border-top: 18px solid var(--color-cyan);
}

@media (max-width: 640px) {
    .flow-step { border-radius: 28px; }
    .flow-step-label { flex: 0 0 96px; padding: 12px 6px; }
    .flow-step-icon { width: 40px; height: 40px; }
    .flow-step-num { font-size: 0.85rem; }
    .flow-step-body { padding: 14px 18px; }
    .flow-step-title { font-size: 1rem; }
    .flow-step-desc { font-size: 0.82rem; }
}

/* ════════════════════════════════════
   FAQ Section
   ════════════════════════════════════ */
.faq-section { background: white; }

.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }

.faq-item {
    border: 2px solid #e0f4ff;
    border-radius: 16px;
    overflow: hidden;
    background: var(--color-bg);
}
.faq-q {
    padding: 20px 24px;
    font-weight: 900;
    font-size: 0.95rem;
    color: var(--color-text);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.faq-q::before {
    content: 'Q';
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--color-cyan);
    flex-shrink: 0;
    margin-top: -2px;
}
.faq-a {
    padding: 0 24px 20px 50px;
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.8;
    font-weight: 500;
}

/* ════════════════════════════════════
   Contact Section
   ════════════════════════════════════ */
.contact-section {
    background: linear-gradient(160deg, #3bc1e3, #7a8cff, #ff7eb4);
    padding: 100px 24px;
    text-align: center;
    color: white;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 2.8rem);
    margin-bottom: 16px;
}
.contact-sub {
    font-size: 1rem;
    opacity: 0.95;
    margin-bottom: 44px;
    font-weight: 600;
}

.line-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    max-width: 580px;
    margin: 0 auto 22px;
    padding: 18px 28px;
    background: linear-gradient(135deg, #06c755, #03a144);
    color: #fff;
    border-radius: 18px;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(6, 199, 85, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}
.line-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(6, 199, 85, 0.5); }
.line-cta-icon { width: 44px; height: 44px; flex-shrink: 0; }
.line-cta-text { display: flex; flex-direction: column; text-align: left; line-height: 1.3; }
.line-cta-text strong { font-size: 1.1rem; font-weight: 900; letter-spacing: 0.04em; }
.line-cta-text small { font-size: 0.8rem; opacity: 0.95; margin-top: 3px; font-weight: 600; }

.contact-divider {
    max-width: 580px;
    margin: 6px auto 18px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.9);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 14px;
}
.contact-divider::before,
.contact-divider::after { content: ''; flex: 1; height: 1px; background: rgba(255,255,255,0.3); }

.contact-form {
    max-width: 580px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-align: left;
}
.contact-form label {
    font-size: 0.82rem;
    font-weight: 800;
    color: white;
    letter-spacing: 0.05em;
    margin-bottom: -10px;
    margin-left: 4px;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 14px 20px;
    border-radius: 14px;
    border: none;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.95rem;
    background: rgba(255,255,255,0.95);
    color: var(--color-text);
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .btn-submit {
    background: white;
    color: var(--color-cyan-dark);
    font-family: var(--font-main);
    font-weight: 900;
    font-size: 1.05rem;
    padding: 16px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    margin-top: 10px;
}
.contact-form .btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}

/* ════════════════════════════════════
   Footer
   ════════════════════════════════════ */
.site-footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.75);
    padding: 40px 24px;
    text-align: center;
    font-size: 0.85rem;
}
.footer-logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--color-cyan-light);
    margin-bottom: 8px;
}
.footer-link {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    margin: 0 12px;
    font-weight: 700;
}
.footer-link:hover { color: white; }

.footer-company {
    margin-top: 24px;
    padding: 20px 16px 4px;
    border-top: 1px solid rgba(255,255,255,0.12);
    font-size: 0.85rem;
    line-height: 1.7;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255,255,255,0.72);
}
.footer-company-name {
    font-weight: 800;
    color: #fff;
    margin: 0 0 6px;
    letter-spacing: 0.03em;
}
.footer-operator {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin: 0 0 12px;
    padding: 8px 16px 8px 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 999px;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s, transform 0.2s;
}
.footer-operator:hover {
    background: rgba(255,255,255,0.14);
    transform: translateY(-1px);
}
.footer-operator-logo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    background: #0d1e58;
    flex-shrink: 0;
}
.footer-operator-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    color: rgba(255,255,255,0.6);
    font-weight: 700;
}
.footer-operator-name {
    display: block;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.03em;
}
.footer-operator-name small {
    font-size: 0.72rem;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    margin-left: 4px;
}
.footer-company-line { margin: 2px 0; }
.footer-company a {
    color: rgba(255,255,255,0.92);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.footer-company a:hover { color: #fff; }

.footer-sns {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin-top: 14px;
}
.footer-sns-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}
.footer-sns-link:hover {
    background: rgba(255,255,255,0.22);
    transform: translateY(-2px);
}

/* ════════════════════════════════════
   Wave divider
   ════════════════════════════════════ */
.wave-divider {
    display: block;
    width: 100%;
    height: 60px;
}

/* ════════════════════════════════════
   Bubble animations
   ════════════════════════════════════ */
.bubble {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.95) 0%, rgba(180,230,255,0.3) 50%, rgba(100,180,230,0.15) 100%);
    border: 1.5px solid rgba(255,255,255,0.7);
    animation: floatBubble linear infinite;
    pointer-events: none;
    box-shadow: inset 0 0 10px rgba(255,255,255,0.5), 0 2px 8px rgba(0,0,0,0.05);
}

@keyframes floatBubble {
    0% { transform: translateY(0) scale(0.8); opacity: 0; }
    10% { opacity: 0.7; }
    90% { opacity: 0.5; }
    100% { transform: translateY(-110vh) scale(1.05); opacity: 0; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ════════════════════════════════════
   Fade-in animation
   ════════════════════════════════════ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ════════════════════════════════════
   Responsive
   ════════════════════════════════════ */
@media (max-width: 768px) {
    .header-nav { display: none; }
    .header-sns { display: none; }
    .hamburger { display: flex; }
    .machines-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .section { padding: 70px 20px; }
    .hero { padding: 100px 20px 60px; }
}
@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .site-logo-text { font-size: 1.25rem; }
    .site-logo-text small { font-size: 0.58rem; }
}