/* ===========================
   TABLE OF CONTENTS
   1. CSS Variables
   2. Reset & Base
   3. Typography Utilities
   4. Button
   5. Layout
   6. Scroll Progress Bar
   7. Header & Navigation
   8. Hero
   9. Section Commons
  10. Problem
  11. Solution
  12. Features
  13. Scenarios
  14. How It Works (Steps)
  15. Pricing
  16. FAQ
  17. Final CTA
  18. Footer
  19. Animations
  20. Responsive
=========================== */

/* ===========================
   1. CSS Variables
=========================== */
:root {
    --bg-dark: #0a0f1e;
    --bg-darker: #060b16;
    --bg-alt: #0d1528;
    --bg-card: #111827;
    --bg-card2: #0f172a;
    --border: rgba(255, 255, 255, .07);
    --border2: rgba(255, 255, 255, .12);
    --blue: #2563eb;
    --blue-light: #3b82f6;
    --blue-glow: rgba(37, 99, 235, .25);
    --cyan: #06b6d4;
    --green: #22c55e;
    --red: #ef4444;
    --yellow: #f59e0b;
    --text-main: #f1f5f9;
    --text-sub: #cbd5e1;
    --text-dim: #a0aec0;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, .4);
    --transition: .22s ease;
}

/* ===========================
   2. Reset & Base
=========================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===========================
   3. Typography Utilities
=========================== */
.text-blue {
    color: var(--blue-light);
}

.text-red {
    color: var(--red);
}

.text-yellow {
    color: var(--yellow);
}

.text-green {
    color: var(--green);
}

.sp-only {
    display: none;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .08em;
    /* text-transform: uppercase; */
    color: var(--blue-light);
    background: rgba(37, 99, 235, .15);
    border: 1px solid rgba(37, 99, 235, .3);
    padding: 6px 14px;
    border-radius: 100px;
}

.text-center {
    text-align: center;
}

/* PC only 改行 / SP only 改行 */
.br-pc {
    display: block;
}

.br-sp {
    display: none;
}

@media (max-width: 768px) {
    .br-pc {
        display: none;
    }

    .br-sp {
        display: block;
    }
}

/* ===========================
   4. Button
=========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    line-height: 1;
    white-space: nowrap;
}

.btn--primary {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 4px 16px rgba(37, 99, 235, .4);
}

.btn--primary:hover {
    background: var(--blue-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(37, 99, 235, .5);
}

.btn--primary--lg {
    padding: 15px 32px;
    font-size: 16px;
    border-radius: 10px;
}

.btn--outline {
    background: transparent;
    color: var(--text-main);
    border: 1.5px solid var(--border2);
}

.btn--outline:hover {
    border-color: var(--blue-light);
    color: var(--blue-light);
    background: rgba(37, 99, 235, .08);
}

.btn--ghost {
    background: transparent;
    color: var(--text-sub);
    border: 1.5px solid var(--border);
}

.btn--ghost:hover {
    color: var(--text-main);
    border-color: var(--border2);
    background: rgba(255, 255, 255, .04);
}

.btn--sm {
    padding: 7px 16px;
    font-size: 13px;
}

/* ===========================
   5. Layout
=========================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===========================
   6. Scroll Progress Bar
=========================== */
.scroll-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    z-index: 9999;
    transition: width .1s linear;
}

/* ===========================
   7. Header & Navigation
=========================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 15, 30, .92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -.02em;
    flex-shrink: 0;
}

.logo span {
    color: var(--blue-light);
}

.nav-desktop {
    display: flex;
    gap: 28px;
    flex: 1;
}

.nav-desktop a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-sub);
    transition: color var(--transition);
}

.nav-desktop a:hover {
    color: var(--text-main);
}

.header-cta {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
}

.burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 12px 24px 20px;
    border-top: 1px solid var(--border);
    background: rgba(10, 15, 30, .98);
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu a {
    padding: 10px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-sub);
    border-bottom: 1px solid var(--border);
    transition: color var(--transition);
}

.mobile-menu a:hover {
    color: var(--text-main);
}

/* ===========================
   8. Hero
=========================== */
.hero {
    padding-top: 104px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37, 99, 235, .18) 0%, transparent 70%);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, .06) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-headline {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -.03em;
}

.hero-sub {
    font-size: 16px;
    color: var(--text-sub);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-note {
    font-size: 13px;
    color: var(--text-dim);
}


/* ヒーロー中央寄せ */
.hero-content--center {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.hero-content--center .hero-cta {
    justify-content: center;
}

/* ダッシュボード画像 */
.hero-dashboard {
    margin-top: 56px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.hero-dashboard-img {
    display: block;
    width: 100%;
    height: auto;
}


/* --- Mockup --- */
.hero-mockup {
    perspective: 1000px;
}

.mockup-window {
    background: var(--bg-card);
    border: 1px solid var(--border2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .06);
    transform: rotateY(-4deg) rotateX(2deg);
    transition: transform .4s ease;
}

.mockup-window:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.mockup-titlebar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, .04);
    border-bottom: 1px solid var(--border);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot--red {
    background: #ef4444;
}

.dot--yellow {
    background: #f59e0b;
}

.dot--green {
    background: #22c55e;
}

.mockup-url {
    font-size: 11px;
    color: var(--text-dim);
    background: rgba(255, 255, 255, .06);
    padding: 3px 10px;
    border-radius: 4px;
    flex: 1;
    text-align: center;
}

.mockup-body {
    padding: 16px;
}

.mockup-body--screenshot {
    padding: 0;
    overflow: hidden;
}

.dashboard-screenshot {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 0 0 12px 12px;
}

/* Stat Cards */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.stat-card {
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    text-align: center;
}

.stat-label {
    font-size: 10px;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.stat-num {
    font-size: 28px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-num--blue {
    color: var(--blue-light);
}

.stat-num--red {
    color: var(--red);
}

.stat-num--green {
    color: var(--green);
}

.stat-sub {
    font-size: 10px;
    color: var(--text-dim);
}

/* Domain List */
.domain-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.domain-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.domain-status {
    font-size: 14px;
    flex-shrink: 0;
}

.domain-info {
    flex: 1;
    min-width: 0;
}

.domain-name {
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 2px;
}

.domain-detail {
    font-size: 10px;
    color: var(--text-dim);
}

.domain-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 100px;
    flex-shrink: 0;
}

.badge--red {
    background: rgba(239, 68, 68, .2);
    color: var(--red);
    border: 1px solid rgba(239, 68, 68, .4);
}

.badge--yellow {
    background: rgba(245, 158, 11, .2);
    color: var(--yellow);
    border: 1px solid rgba(245, 158, 11, .4);
}

.badge--green {
    background: rgba(34, 197, 94, .2);
    color: var(--green);
    border: 1px solid rgba(34, 197, 94, .4);
}

/* ===========================
   9. Section Commons
=========================== */
.section {
    padding: 96px 0;
}

.section--dark {
    background: var(--bg-darker);
}

.section--alt {
    background: var(--bg-alt);
}

.section-title {
    font-size: clamp(26px, 3.5vw, 40px);
    font-weight: 900;
    line-height: 1.25;
    letter-spacing: -.03em;
    margin-bottom: 16px;
}

.section-sub {
    font-size: 16px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 56px;
}

/* ===========================
   10. Problem
=========================== */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 56px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color var(--transition), transform var(--transition);
}

.problem-card:hover {
    border-color: rgba(239, 68, 68, .3);
    transform: translateY(-2px);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.problem-card h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
}

.problem-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.75;
}

/* ===========================
   11. Solution
=========================== */
.solution-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 56px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color var(--transition), transform var(--transition);
}

.solution-card:hover {
    transform: translateY(-3px);
    border-color: var(--border2);
}

.solution-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
    margin-left: auto;
    margin-right: auto;
}

.solution-icon--blue {
    background: rgba(37, 99, 235, .15);
    border: 1px solid rgba(37, 99, 235, .3);
}

.solution-icon--cyan {
    background: rgba(6, 182, 212, .12);
    border: 1px solid rgba(6, 182, 212, .3);
}

.solution-icon--green {
    background: rgba(34, 197, 94, .12);
    border: 1px solid rgba(34, 197, 94, .3);
}

.solution-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
}

.solution-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.75;
    margin-bottom: 16px;
}

.solution-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.solution-list li {
    font-size: 13px;
    color: var(--text-sub);
    padding-left: 16px;
    position: relative;
}

.solution-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

/* Flow */
.flow-section {
    margin-top: 56px;
    padding: 36px 40px;
    /* 上下を少し縮小、左右は維持 */
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.flow-title {
    font-size: 18px;
    /* 14px → 18px */
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
    /* 24px → 32px */
    color: var(--text-main);
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    /* 8px → 12px */
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    /* 8px → 12px */
}

.flow-step-icon {
    width: 60px;
    /* 48px → 60px */
    height: 60px;
    /* 48px → 60px */
    border-radius: 50%;
    background: rgba(37, 99, 235, .15);
    border: 1.5px solid rgba(37, 99, 235, .35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    /* 20px → 26px */
}

.flow-step-label {
    font-size: 13px;
    /* 11px → 13px */
    color: var(--text-sub);
    text-align: center;
    font-weight: 500;
}

.flow-arrow {
    font-size: 20px;
    /* 16px → 20px */
    color: var(--text-dim);
    margin-top: -20px;
    /* アイコンの高さに合わせて調整 */
}

/* ===========================
   12. Features
=========================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 56px;
}

.feature-card {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color var(--transition), transform var(--transition);
}

.feature-card:hover {
    border-color: rgba(37, 99, 235, .35);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.75;
}


/* ===========================
   12b. FEATURES STICKY LAYOUT
=========================== */

.features-layout {
    display: flex;
    gap: 64px;
    align-items: flex-start;
    margin-top: 56px;
}

.features-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 32px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-item:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-item-icon {
    font-size: 28px;
    line-height: 1;
    flex-shrink: 0;
    width: 40px;
    text-align: center;
    margin-top: 2px;
}

.feature-item-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.5;
}

.feature-item-body p {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin: 0;
}

/* 右カラム sticky */
.features-sticky-wrap {
    flex: 0 0 340px;
    position: sticky;
    top: 96px;
    /* ヘッダー高さ分オフセット */
    align-self: flex-start;
}

.features-sticky-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.features-sticky-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* SP対応 */
@media (max-width: 768px) {
    .features-layout {
        flex-direction: column;
        gap: 32px;
    }

    .features-sticky-wrap {
        position: static;
        flex: none;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
        /* SPでは機能リストの上に画像を表示 */
        order: -1;
    }
}

/* ===========================
   13. Scenarios
=========================== */
.scenario-tabs-wrap {
    margin-top: 48px;
    display: flex;
    justify-content: center;
}

.scenario-tabs {
    display: inline-flex;
    gap: 8px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 6px;
}

.scenario-tab {
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-sub);
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition);
}

.scenario-tab.active {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, .4);
}

.scenario-tab:not(.active):hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, .06);
}

.scenario-contents {
    margin-top: 32px;
}

.scenario-content {
    display: none;
}

.scenario-content.active {
    display: block;
}

.scenario-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.scenario-text h3 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 14px;
}

.scenario-text p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 20px;
}

.scenario-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.scenario-list li {
    font-size: 14px;
    color: var(--text-sub);
}

/* Scenario Demo Card */
.scenario-card-demo {
    background: var(--bg-darker);
    border: 1px solid var(--border2);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.demo-header {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-dim);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.demo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 500;
}

.demo-item--red {
    background: rgba(239, 68, 68, .08);
    border: 1px solid rgba(239, 68, 68, .2);
}

.demo-item--yellow {
    background: rgba(245, 158, 11, .08);
    border: 1px solid rgba(245, 158, 11, .2);
}

.demo-item--green {
    background: rgba(34, 197, 94, .06);
    border: 1px solid rgba(34, 197, 94, .15);
}

.demo-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 100px;
    white-space: nowrap;
}

.demo-badge--red {
    background: rgba(239, 68, 68, .2);
    color: var(--red);
}

.demo-badge--yellow {
    background: rgba(245, 158, 11, .2);
    color: var(--yellow);
}

.demo-badge--green {
    background: rgba(34, 197, 94, .2);
    color: var(--green);
}

.demo-notify {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

/* ===========================
   13b. Scenarios CARDS
=========================== */

.scenario-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.scenario-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.scenario-card-head {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.scenario-card-icon {
    font-size: 48px;
    line-height: 1;
    margin-bottom: 4px;
}

.scenario-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
}

.scenario-card-lead {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
}

.scenario-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.scenario-list li {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-muted);
    padding-left: 20px;
    position: relative;
}

.scenario-list li::before {
    content: "✅";
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

/* SP対応 */
@media (max-width: 768px) {
    .scenario-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}


/* ===========================
   14. How It Works (Steps)
=========================== */
.steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-top: 56px;
}

.step {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: border-color var(--transition), transform var(--transition);
}

.step:hover {
    border-color: rgba(37, 99, 235, .3);
    transform: translateY(-2px);
}

.step-num {
    font-size: 28px;
    font-weight: 900;
    color: var(--blue-light);
    letter-spacing: .1em;
    margin-bottom: 12px;
}

.step-icon {
    font-size: 42px;
    margin-bottom: 14px;
}

.step h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.75;
}

.step-connector {
    width: 40px;
    flex-shrink: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    align-self: center;
    margin-top: -20px;
    opacity: .4;
}

/* ===========================
   15. Pricing
=========================== */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 780px;
    margin: 56px auto 0;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition), border-color var(--transition);
}

.pricing-card:hover {
    transform: translateY(-3px);
}

.pricing-card--featured {
    border-color: rgba(37, 99, 235, .5);
    box-shadow: 0 0 40px rgba(37, 99, 235, .15);
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--blue);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
}

.pricing-header {
    padding: 28px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, .02);
}

.pricing-plan {
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 6px;
}

.pricing-desc {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 20px;
    line-height: 1.6;
    text-align: center;
    /* 追加 */
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin-bottom: 4px;
    justify-content: center;
    /* 追加 */
}

.pricing-price-currency {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-sub);
}

.pricing-price-num {
    font-size: 44px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -.03em;
}

.pricing-price-unit {
    font-size: 15px;
    color: var(--text-sub);
    margin-left: 2px;
}

.pricing-price-tax {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 12px;
    text-align: center;
    /* 追加 */
}

.pricing-limit {
    font-size: 13px;
    color: var(--text-sub);
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 12px;
    display: block;
    /* inline-block → block に変更 */
    text-align: center;
    /* 追加 */
}

.pricing-body {
    padding: 24px 28px 28px;
}

.pricing-feature {
    font-size: 13px;
    color: var(--text-sub);
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    padding-left: 20px;
    position: relative;
}

.pricing-feature::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

.pricing-cta {
    /* margin-top: 24px; */
}

.pricing-note {
    max-width: 700px;
    margin: 32px auto 0;
    padding: 20px 24px;
    background: rgba(37, 99, 235, .08);
    border: 1px solid rgba(37, 99, 235, .2);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.75;
    text-align: center;
}

.pricing-trial {
    margin-top: 40px;
    padding: 28px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.trial-left strong {
    display: block;
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-main);
}

.trial-left p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.7;
}

/* ===========================
   16. FAQ
=========================== */
.faq-list {
    max-width: 760px;
    margin: 56px auto 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq-item:hover {
    border-color: var(--border2);
}

.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    transition: background var(--transition);
    user-select: none;
}

.faq-q:hover {
    background: rgba(255, 255, 255, .03);
}

.faq-q-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1.5px solid var(--border2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-sub);
    flex-shrink: 0;
    transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.faq-q.open .faq-q-icon {
    transform: rotate(45deg);
    background: rgba(37, 99, 235, .15);
    border-color: rgba(37, 99, 235, .4);
    color: var(--blue-light);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}

.faq-a.open {
    max-height: 300px;
}

.faq-a-inner {
    padding: 0 20px 20px;
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

/* ===========================
   17. Final CTA
=========================== */
.final-cta {
    padding: 100px 0;
    background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(37, 99, 235, .15) 0%, transparent 70%),
        var(--bg-dark);
}

.final-cta-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.final-headline {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -.03em;
    margin-bottom: 20px;
}

.final-sub {
    font-size: 16px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 36px;
}

.final-cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.final-cta-note {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 48px;
}

.final-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.final-feature-card {
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid;
    text-align: center;
}

.final-feature-card--blue {
    background: rgba(37, 99, 235, .08);
    border-color: rgba(37, 99, 235, .25);
}

.final-feature-card--cyan {
    background: rgba(6, 182, 212, .07);
    border-color: rgba(6, 182, 212, .25);
}

.final-feature-card--green {
    background: rgba(34, 197, 94, .07);
    border-color: rgba(34, 197, 94, .25);
}

.final-feature-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.final-feature-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.final-feature-sub {
    font-size: 13px;
    color: var(--text-dim);
}

/* ===========================
   18. Footer
=========================== */
footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-logo {
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 10px;
}

.footer-logo span {
    color: var(--blue-light);
}

.footer-copy {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.8;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    justify-content: flex-end;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-dim);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--text-main);
}

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom-copy {
    font-size: 13px;
    color: var(--text-dim);
}

.footer-tokusho {
    font-size: 13px;
    color: var(--text-dim);
    transition: color var(--transition);
}

.footer-tokusho:hover {
    color: var(--text-main);
}

/* ===========================
   19. Animations
=========================== */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .6s ease, transform .6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   20. Responsive
=========================== */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .mockup-window {
        transform: none;
        max-width: 480px;
        margin: 0 auto;
    }

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

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .scenario-inner {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
        align-items: stretch;
    }

    .step-connector {
        width: 2px;
        height: 24px;
        align-self: center;
        margin-top: 0;
    }

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

    .pricing-trial {
        flex-direction: column;
        text-align: center;
    }

    .final-features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .nav-desktop {
        display: none;
    }

    .header-cta {
        display: none;
    }

    .burger {
        display: flex;
    }

    .sp-only {
        display: inline;
    }

    .hero {
        padding-top: 84px;
        padding-bottom: 56px;
    }

    .hero-headline {
        font-size: 28px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .section {
        padding: 64px 0;
    }

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

    .scenario-tabs {
        flex-direction: column;
        width: 100%;
    }

    .scenario-inner {
        padding: 24px;
    }

    .flow-section {
        padding: 24px 20px;
    }

    .flow-steps {
        gap: 8px;
    }

    .flow-arrow {
        font-size: 14px;
    }

    .footer-inner {
        flex-direction: column;
    }

    .footer-links {
        justify-content: flex-start;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}