/* ==============================================
   One hour Web Page - Premium CSS
   モダンブルー × シアン / ライト基調
   ============================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #1E293B;
    background-color: #fff;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.hero__bg img {
    max-width: none;
    width: 100%;
    height: 100%;
}

ul {
    list-style: none;
}

/* ---------- 変数 ---------- */
:root {
    /* プライマリ（モダンブルー） */
    --color-primary: #2563EB;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1D4ED8;

    /* アクセント（モダンブルーのバリエーションに変更） */
    --color-accent: #3B82F6;
    --color-accent-light: #60A5FA;
    --color-accent-dark: #2563EB;

    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #2563EB 0%, #60A5FA 100%);
    --gradient-hero-overlay: linear-gradient(90deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.65) 45%, rgba(15, 23, 42, 0.1) 75%, transparent 100%);
    --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #93C5FD 100%);
    --gradient-dark: linear-gradient(135deg, #0F172A 0%, #334155 100%);

    /* テキスト */
    --color-text: #1E293B;
    --color-text-light: #64748B;
    --color-text-white: #FFFFFF;

    /* 背景（ライト統一） */
    --color-bg-white: #FFFFFF;
    --color-bg-light: #F8FAFC;
    --color-bg-subtle: #F1F5F9;
    --color-bg-cta: #0F172A;

    /* 警告統一 */
    --color-warning: #F43F5E;
    --color-success: #10B981;
    --color-success-light: #34D399;

    /* エフェクト */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);

    /* ボーダー */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* サイズ */
    --max-width: 1200px;
    --header-height: 72px;
}

/* ---------- ユーティリティ ---------- */
.highlight {
    color: var(--color-accent);
}

.accent {
    color: var(--color-accent);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.required {
    background-color: var(--color-warning);
    color: var(--color-text-white);
    font-size: 10px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: 8px;
    font-weight: 500;
}

.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
}

/* ---------- ボタン ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn__text {
    position: relative;
    z-index: 1;
}

.btn__icon {
    position: relative;
    z-index: 1;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.btn:hover .btn__icon {
    transform: translateX(4px);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-white);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.35);
}

.btn--glow {
    animation: glow-pulse 2.5s ease-in-out infinite;
}

@keyframes glow-pulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
    }

    50% {
        box-shadow: 0 4px 30px rgba(6, 182, 212, 0.4), 0 0 60px rgba(37, 99, 235, 0.15);
    }
}

.btn--outline-light {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-text-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

.btn--outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--color-text-white);
}

.btn--outline-dark {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline-dark:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.btn--header {
    padding: 10px 24px;
    font-size: 14px;
    background: var(--gradient-primary);
    color: var(--color-text-white);
    border: none;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn--header:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.btn--cta {
    background: var(--gradient-primary);
    color: var(--color-text-white);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    animation: glow-pulse 2.5s ease-in-out infinite;
}

.btn--cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

.btn--full {
    width: 100%;
}

/* ---------- ヘッダー ---------- */
/* ---------- ヘッダー ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: transparent;
    transition: all 0.4s ease;
    z-index: 1000;
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo-text {
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.header__logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.header__nav ul {
    display: flex;
    align-items: center;
    gap: 36px;
}

.header__nav a {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header__nav a:hover {
    color: #fff;
    opacity: 1;
}

.header--scrolled .header__nav a {
    color: var(--color-text);
    text-shadow: none;
}

.header--scrolled .header__nav a:hover {
    color: var(--color-primary);
}

.header__menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.header__menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

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

    .header__menu-btn {
        display: flex;
    }
}

/* ---------- ヒーローセクション ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 70% center;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    /* グラデーション調整：文字の可読性を高めるため左側を少し濃く */
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.75) 45%, rgba(15, 23, 42, 0.2) 75%, transparent 100%);
}

.hero__inner {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 120px 24px 80px;
    width: 100%;
}

.hero__content {
    max-width: 600px;
    color: var(--color-text-white);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-full);
    font-size: 14px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
    color: var(--color-accent-light);
    font-weight: 600;
}

.hero__badge-icon {
    font-size: 16px;
}

.hero__title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero__title-accent {
    color: var(--color-accent-light);
}

.hero__title-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 18px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 40px;
    line-height: 1.9;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero__stats {
    display: flex;
    gap: 36px;
    margin-bottom: 40px;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__stat {
    text-align: left;
}

.hero__stat-number {
    font-size: 40px;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    color: var(--color-accent-light);
}

.hero__stat-unit {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent-light);
}

.hero__stat-label {
    display: block;
    font-size: 13px;
    opacity: 0.6;
    margin-top: 4px;
}

.hero__cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
    letter-spacing: 3px;
    z-index: 2;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
    animation: scroll-line 1.5s ease-in-out infinite;
}

@keyframes scroll-line {
    0% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }

    100% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

@media (max-width: 768px) {
    .hero__inner {
        padding-top: 100px;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__overlay {
        background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.7) 60%, rgba(15, 23, 42, 0.5) 100%);
    }

    .hero__stats {
        gap: 20px;
        flex-wrap: wrap;
    }

    .hero__stat-number {
        font-size: 32px;
    }

    .hero__cta {
        flex-direction: column;
    }

    .hero__cta .btn {
        width: 100%;
    }
}

/* ---------- セクションタイトル ---------- */
.section-title {
    text-align: center;
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 60px;
    line-height: 1.4;
}

.section-title__sub {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 4px;
    margin-bottom: 12px;
    font-family: 'Inter', sans-serif;
}

/* ---------- 課題セクション インフォグラフィック ---------- */
.problems-infographic {
    padding: 120px 24px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.problems-infographic__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.infographic-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.infographic-stat {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
    align-items: center;
    padding: 32px;
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.infographic-stat:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.infographic-stat__visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    max-width: 140px;
}

.infographic-stat__content {
    flex: 1;
    min-width: 0;
}

.infographic-stat__circle {
    position: relative;
    width: 120px;
    height: 120px;
}

.infographic-stat__circle svg {
    width: 100%;
    height: 100%;
}

.infographic-stat__number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.infographic-stat__number .num {
    display: block;
    font-size: 32px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    color: var(--color-primary);
    line-height: 1;
}

.infographic-stat__number .unit {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

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

.infographic-stat__money .yen {
    font-size: 20px;
    font-weight: 700;
    color: #ef4444;
    vertical-align: top;
}

.infographic-stat__money .amount {
    font-size: 36px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    color: #ef4444;
    line-height: 1;
}

.infographic-stat__money .man {
    font-size: 16px;
    font-weight: 600;
}

.infographic-stat__money-sub {
    font-size: 13px;
    color: var(--color-text-light);
    text-align: center;
    margin-top: 4px;
}

.infographic-stat__icons {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.comm-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #60A5FA 100%);
    border-radius: 50%;
    color: white;
    animation: comm-float 2s ease-in-out infinite;
}

.comm-icon svg {
    width: 18px;
    height: 18px;
}

.comm-icon--1 {
    animation-delay: 0s;
}

.comm-icon--2 {
    animation-delay: 0.3s;
}

.comm-icon--3 {
    animation-delay: 0.6s;
}

@keyframes comm-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

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

.infographic-stat__count .num {
    font-size: 36px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    color: var(--color-primary);
}

.infographic-stat__count .unit {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
}

.infographic-stat__chart {
    position: relative;
    width: 120px;
    height: 80px;
}

.infographic-stat__chart svg {
    width: 100%;
    height: 100%;
}

.chart-arrow {
    position: absolute;
    bottom: -5px;
    right: 5px;
    font-size: 18px;
    color: #ef4444;
    font-weight: 700;
    animation: arrow-bounce 1s ease-in-out infinite;
}

@keyframes arrow-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(4px);
    }
}

.infographic-stat__title {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 8px;
}

.infographic-stat__desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.infographic-stat__desc strong {
    color: var(--color-primary);
}

.infographic-stat__bar {
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.infographic-stat__bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, #60A5FA 100%);
    border-radius: 4px;
    animation: bar-grow 1.5s ease-out;
}

@keyframes bar-grow {
    from {
        width: 0;
    }
}

.infographic-stat__compare {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.problems-infographic .compare-bar {
    display: grid;
    grid-template-columns: 40px 1fr 80px;
    gap: 12px;
    align-items: center;
}

.problems-infographic .compare-bar__label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-light);
}

.problems-infographic .compare-bar__track {
    height: 12px;
    background: #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
}

.problems-infographic .compare-bar--old .compare-bar__fill {
    height: 100%;
    background: #94a3b8;
    border-radius: 6px;
}

.problems-infographic .compare-bar--new .compare-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, #10B981 0%, #34D399 100%);
    border-radius: 6px;
}

.problems-infographic .compare-bar__value {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text);
    text-align: right;
}

.infographic-stat__timeline {
    display: flex;
    align-items: center;
    gap: 4px;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e5e7eb;
}

.timeline-dot.active {
    background: var(--color-primary);
}

.timeline-dot.dim {
    background: #e5e7eb;
    opacity: 0.5;
}

.timeline-line {
    flex: 1;
    height: 3px;
    background: var(--color-primary);
}

.timeline-line.dim {
    background: #e5e7eb;
    opacity: 0.5;
}

.infographic-stat__metric {
    display: flex;
    align-items: center;
    gap: 16px;
}

.metric-item {
    flex: 1;
    padding: 12px;
    border-radius: var(--radius-md);
    text-align: center;
}

.metric-item--bad {
    background: #fef2f2;
}

.metric-item--good {
    background: #f0fdf4;
}

.metric-label {
    display: block;
    font-size: 11px;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.metric-item--bad .metric-value {
    font-size: 16px;
    font-weight: 800;
    color: #ef4444;
}

.metric-item--good .metric-value {
    font-size: 16px;
    font-weight: 800;
    color: #10B981;
}

.metric-arrow {
    font-size: 20px;
    color: var(--color-text-light);
}

.problems-infographic__solution {
    text-align: center;
    padding-top: 40px;
}

.problems-infographic__solution .solution-arrow {
    margin-bottom: 24px;
    animation: bounce-down 2s ease-in-out infinite;
}

.problems-infographic__solution .solution-text {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .infographic-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .infographic-stat {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .infographic-stat__visual {
        display: flex;
        justify-content: center;
        margin: 0 auto;
    }
}

/* ---------- 特徴セクション インフォグラフィック ---------- */
.features-infographic {
    padding: 120px 24px;
    background: var(--gradient-dark);
}

.features-infographic__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.features-infographic__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.feature-info-card {
    padding: 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    transition: all 0.4s ease;
}

.feature-info-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-info-card__header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.feature-info-card__num {
    font-size: 14px;
    font-weight: 800;
    color: #60A5FA;
    padding: 8px 14px;
    background: rgba(96, 165, 250, 0.15);
    border-radius: var(--radius-full);
    letter-spacing: 1px;
}

.feature-info-card__title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-white);
}

.feature-info-card__title .accent {
    color: #60A5FA;
}

.feature-info-card__visual {
    margin-bottom: 24px;
}

.feature-info-card__desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.feature-info-card__desc strong {
    color: #60A5FA;
}

.speed-compare {
    margin-bottom: 20px;
}

.speed-compare__item {
    margin-bottom: 16px;
}

.speed-compare__bar {
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 8px;
}

.speed-compare__item--old .speed-compare__fill {
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
}

.speed-compare__item--new .speed-compare__fill {
    height: 100%;
    background: linear-gradient(90deg, #10B981 0%, #34D399 100%);
    border-radius: 12px;
    min-width: 24px;
}

.speed-compare__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.speed-compare__label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.speed-compare__value {
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
}

.speed-compare__value--highlight {
    color: #34D399;
    font-size: 16px;
}

.speed-reduction {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    padding: 16px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: var(--radius-lg);
}

.speed-reduction__number {
    font-size: 40px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    color: #34D399;
    line-height: 1;
}

.speed-reduction__unit {
    font-size: 20px;
    font-weight: 700;
    color: #34D399;
}

.speed-reduction__text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-left: 8px;
}

.cost-donut {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto 20px;
}

.cost-donut svg {
    width: 100%;
    height: 100%;
}

.cost-donut__center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.cost-donut__number {
    display: block;
    font-size: 36px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    color: #34D399;
    line-height: 1;
}

.cost-donut__unit {
    font-size: 16px;
    font-weight: 700;
    color: #34D399;
}

.cost-donut__label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

.cost-prices {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

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

.cost-price__label {
    display: block;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.cost-price--old .cost-price__value {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: line-through;
}

.cost-price--new .cost-price__value {
    font-size: 16px;
    font-weight: 800;
    color: #34D399;
}

.cost-price__arrow {
    color: rgba(255, 255, 255, 0.4);
    font-size: 18px;
}

.cvr-chart {
    height: 100px;
    margin-bottom: 16px;
}

.cvr-chart svg {
    width: 100%;
    height: 100%;
}

.cvr-stats {
    display: flex;
    gap: 16px;
}

.cvr-stat {
    flex: 1;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    text-align: center;
}

.cvr-stat--highlight {
    background: rgba(59, 130, 246, 0.15);
}

.cvr-stat__label {
    display: block;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

.cvr-stat__value {
    font-size: 28px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    color: var(--color-text-white);
    line-height: 1;
}

.cvr-stat__unit {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

.cvr-stat--highlight .cvr-stat__value {
    color: #60A5FA;
}

.features-infographic__cta {
    text-align: center;
    margin-top: 60px;
}

.btn--cta-light {
    background: var(--color-text-white);
    color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.btn--cta-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.3);
}

.section-title--light {
    color: var(--color-text-white);
}

.section-title--light .section-title__sub {
    color: rgba(255, 255, 255, 0.6);
}

.highlight-light {
    color: #60A5FA;
}

@media (max-width: 1024px) {
    .features-infographic__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto 60px;
    }
}

/* ---------- 課題セクション ---------- */
.problems {
    padding: 120px 24px;
    background: var(--color-bg-white);
}

.problems__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.problems__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.problem-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid transparent;
}

.problem-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.15);
}

.problem-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(59, 130, 246, 0.08));
    border-radius: 16px;
    color: var(--color-primary);
}

.problem-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.problem-card__stat {
    font-size: 14px;
    color: var(--color-warning);
    font-weight: 700;
    margin-bottom: 12px;
}

.problem-card__stat-number {
    font-size: 28px;
    font-family: 'Inter', sans-serif;
    font-weight: 800;
}

.problem-card__desc {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.problem-card__desc strong {
    color: var(--color-warning);
}

@media (max-width: 1024px) {
    .problems__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .problems__grid {
        grid-template-columns: 1fr;
    }
}

/* ソリューション */
.problems__solution {
    text-align: center;
}

.solution-arrow {
    color: var(--color-accent);
    margin-bottom: 20px;
    animation: bounce-down 2s ease-in-out infinite;
}

@keyframes bounce-down {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(8px);
    }
}

.solution-text {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 800;
    color: var(--color-text);
}

/* ---------- 特徴セクション ---------- */
.features {
    padding: 120px 24px;
    background: var(--color-bg-light);
}

.features__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.feature-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card__number {
    font-family: 'Inter', sans-serif;
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.feature-card__icon-wrap {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(6, 182, 212, 0.08));
    border-radius: 14px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.feature-card__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 24px;
}

/* 比較バー（Feature 01） */
.feature-card__compare {
    margin-bottom: 24px;
}

.compare-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.compare-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-light);
    min-width: 32px;
}

.compare-bar {
    flex: 1;
    height: 8px;
    background: var(--color-bg-subtle);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.compare-bar__fill--old {
    height: 100%;
    background: #CBD5E1;
    border-radius: var(--radius-full);
}

.compare-bar__fill--new {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.compare-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-light);
    min-width: 72px;
    text-align: right;
}

.compare-value--highlight {
    color: var(--color-accent);
    font-weight: 800;
}

/* ドーナツチャート（Feature 02） */
.feature-card__donut {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.donut-number {
    display: block;
    font-size: 32px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    color: var(--color-primary);
    line-height: 1;
}

.donut-unit {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-accent);
}

/* メトリクス（Feature 03） */
.feature-card__metrics {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.metric-box {
    flex: 1;
    text-align: center;
    padding: 16px 12px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.metric-box--accent {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(6, 182, 212, 0.06));
    border-color: rgba(6, 182, 212, 0.15);
}

.metric-box__label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.metric-box__value {
    font-size: 28px;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    color: var(--color-primary);
}

.metric-box__unit {
    font-size: 14px;
    color: var(--color-accent);
}

.feature-card__desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.feature-card__desc strong {
    color: var(--color-accent);
}

.features__cta {
    text-align: center;
}

@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* ---------- 制作の流れ ---------- */
.flow {
    padding: 120px 24px;
    background: var(--color-bg-white);
}

.flow__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.flow__timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.flow__timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
    opacity: 0.2;
}

.flow-step {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 24px;
    align-items: start;
    margin-bottom: 48px;
    position: relative;
}

.flow-step:last-child {
    margin-bottom: 0;
}

.flow-step__number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

.flow-step__number span {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text-white);
    font-family: 'Inter', sans-serif;
}

.flow-step__content {
    padding-top: 12px;
}

.flow-step__time {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(37, 99, 235, 0.1));
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.flow-step__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 12px;
}

.flow-step__description {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.flow-step__icon {
    width: 120px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.flow-step__icon img {
    width: 100%;
    border-radius: var(--radius-md);
}

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

    .flow-step {
        grid-template-columns: 60px 1fr;
    }

    .flow-step__number {
        width: 60px;
        height: 60px;
    }

    .flow-step__number span {
        font-size: 22px;
    }

    .flow-step__icon {
        display: none;
    }
}

/* ---------- 料金プラン ---------- */
.plans {
    padding: 120px 24px;
    background: var(--color-bg-light);
}

.plans__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.plans__lead {
    text-align: center;
    font-size: 16px;
    color: var(--color-text-light);
    margin-top: -40px;
    margin-bottom: 60px;
}

.plans__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
}

.plan-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    box-shadow: var(--shadow-card);
    position: relative;
}

.plan-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.plan-card--popular {
    border-color: var(--color-accent);
    transform: scale(1.04);
    box-shadow: 0 8px 40px rgba(6, 182, 212, 0.15);
}

.plan-card--popular:hover {
    transform: scale(1.04) translateY(-6px);
}

.plan-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 24px;
    background: var(--gradient-primary);
    color: var(--color-text-white);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.plan-card__header {
    margin-bottom: 24px;
}

.plan-card__name {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 4px;
}

.plan-card__subtitle {
    font-size: 13px;
    color: var(--color-text-light);
}

.plan-card__price {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-bg-subtle);
}

.plan-card__price-value {
    font-size: 52px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-card__price-unit {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-light);
}

.plan-card__features {
    text-align: left;
    margin-bottom: 32px;
}

.plan-card__features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-bg-subtle);
    display: flex;
    align-items: center;
    gap: 8px;
}

.plan-card__features li:last-child {
    border-bottom: none;
}

.check {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 16px;
}

@media (max-width: 1024px) {
    .plans__grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .plan-card--popular {
        transform: none;
    }

    .plan-card--popular:hover {
        transform: translateY(-6px);
    }
}

/* ---------- 制作実績 ---------- */
.achievements {
    padding: 120px 24px;
    background: var(--color-bg-white);
}

.achievements__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.achievements__showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.achievement-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid transparent;
}

.achievement-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(6, 182, 212, 0.15);
}

.achievement-card__image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.achievement-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.achievement-card:hover .achievement-card__image img {
    transform: scale(1.05);
}

.achievement-card__content {
    padding: 24px;
}

.achievement-card__tag {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(6, 182, 212, 0.08));
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero__service-types {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    padding: 6px 16px;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

.achievement-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.achievement-card__result {
    font-size: 14px;
    color: var(--color-text-light);
    font-weight: 600;
}

@media (max-width: 768px) {
    .achievements__showcase {
        grid-template-columns: 1fr;
    }
}

/* ---------- FAQ ---------- */
.faq {
    padding: 120px 24px;
    background: var(--color-bg-light);
}

.faq__inner {
    max-width: 800px;
    margin: 0 auto;
}

.faq__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(6, 182, 212, 0.15);
}

.faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    text-align: left;
    transition: color 0.3s ease;
}

.faq-item__question:hover {
    color: var(--color-primary);
}

.faq-item__icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--color-accent);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-item__answer {
    max-height: 300px;
}

.faq-item__answer p {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ---------- CTA セクション（ダーク） ---------- */
.cta {
    padding: 120px 24px;
    background: var(--color-bg-cta);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 900;
    color: var(--color-text-white);
    line-height: 1.4;
    margin-bottom: 20px;
}

.cta__title-accent {
    color: var(--color-accent-light);
}

.cta__description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.8;
}

.cta__benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cta__benefits li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* フォーム */
.cta__form-wrapper {
    position: relative;
}

.contact-form {
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.contact-form__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid #E2E8F0;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--color-text);
    background: var(--color-bg-light);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
    background: var(--color-bg-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94A3B8;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group--checkbox label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-light);
    cursor: pointer;
}

.form-group--checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
}

.form-group--checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .cta__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cta__benefits {
        align-items: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ---------- フッター ---------- */
.footer {
    background: #0F172A;
    padding: 60px 24px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer__main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer__logo-text {
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-white);
    display: block;
    margin-bottom: 12px;
}

.footer__logo-accent {
    color: var(--color-accent-light);
}

.footer__description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

.footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer__column h4 {
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
}

.footer__column a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    padding: 6px 0;
    transition: color 0.3s ease;
}

.footer__column a:hover {
    color: var(--color-accent-light);
}

.footer__bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
}

.footer__copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .footer__main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}