/* ========================================
   週一DXサポート LP
   letterchan.com テイストに合わせたデザイン
   ======================================== */

/* カラーパレット（letterchan.com準拠） */
:root {
    --color-navy: rgb(30, 58, 95);
    --color-navy-light: rgb(45, 80, 120);
    --color-navy-dark: rgb(20, 40, 70);
    --color-text: #333;
    --color-text-light: #666;
    --color-text-muted: #999;
    --color-bg: #fff;
    --color-bg-gray: #f8f9fa;
    --color-border: #e5e7eb;
    --color-accent: #2d8a6e;
    --color-accent-hover: #247a5f;
    --shadow-sm: 0 2px 8px rgba(30, 58, 95, 0.08);
    --shadow-md: 0 10px 40px rgba(30, 58, 95, 0.12);
    --shadow-lg: 0 20px 60px rgba(30, 58, 95, 0.15);
    --radius: 1rem;
    --radius-sm: 0.5rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.8;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   アニメーション定義
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.03);
    }
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

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

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

ul {
    list-style: none;
}

/* ========================================
   ヘッダー
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
}

/* ハンバーガーメニュー（スマホ） */
.header__hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 110;
}

.header__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-navy);
    transition: all 0.3s ease;
}

.header__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.active span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 0;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 105;
}

.header__nav.active {
    right: 0;
}

.header__nav a {
    font-size: 1rem;
    color: var(--color-text);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: color 0.2s;
}

.header__nav a:hover {
    color: var(--color-navy);
}

.header__cta {
    background: var(--color-navy);
    color: #fff !important;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: background 0.2s;
    text-align: center;
    margin-top: 1rem;
    border-bottom: none !important;
}

.header__cta:hover {
    background: var(--color-navy-light);
}

/* オーバーレイ */
.header__overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 100;
}

.header__overlay.active {
    display: block;
}

/* ========================================
   ボタン
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn--primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(45, 138, 110, 0.3);
    animation: pulse 2.5s ease-in-out infinite;
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 138, 110, 0.4);
    animation: none;
}

.btn--large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    padding: 6rem 1.25rem 3rem;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

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

.hero__content {
    text-align: center;
    animation: fadeInUp 0.8s ease;
}

.hero__label {
    display: inline-block;
    background: var(--color-navy);
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
}

.hero__title {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--color-navy);
    margin-bottom: 1.25rem;
}

.hero__subtitle {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 2;
}

.hero__cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.hero__cta-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ========================================
   セクション共通
   ======================================== */
.section {
    padding: 3.5rem 1.25rem;
}

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

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

.section--navy {
    background: var(--color-navy);
    color: #fff;
}

.section--cta {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: #fff;
    text-align: center;
}

.section__inner {
    max-width: 900px;
    margin: 0 auto;
}

.section__title {
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-navy);
    line-height: 1.6;
}

.section__title--light {
    color: #fff;
}

.section__lead {
    text-align: center;
    color: var(--color-text-light);
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.section__note {
    text-align: center;
    color: var(--color-text-light);
    margin-top: 2rem;
    font-size: 0.9rem;
}

/* ========================================
   問題提起（共感）- 心の声
   ======================================== */
.voices {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.voice {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.voice:nth-child(even) {
    flex-direction: row-reverse;
}

.voice__illustration {
    flex-shrink: 0;
}

.voice__icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
}

.philosophy__icon {
    width: 100%;
    height: 120px;
    object-fit: contain;
    border-radius: var(--radius);
}

.voice__bubble {
    background: var(--color-bg-gray);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    position: relative;
    flex: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.voice__bubble::before {
    content: "";
    position: absolute;
    top: 20px;
    width: 0;
    height: 0;
    border: 8px solid transparent;
}

.voice:nth-child(odd) .voice__bubble::before {
    left: -16px;
    border-right-color: var(--color-bg-gray);
}

.voice:nth-child(even) .voice__bubble::before {
    right: -16px;
    border-left-color: var(--color-bg-gray);
}

.voice__bubble:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.voice__bubble p {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.7;
}

/* イラストプレースホルダー共通 */
.illustration-placeholder {
    background: linear-gradient(135deg, #e8ecf0 0%, #d1d8e0 100%);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    line-height: 1.4;
}

.illustration-placeholder--small {
    width: 70px;
    height: 70px;
    border-radius: 50%;
}

.illustration-placeholder--dark {
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border-color: rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.6);
}

/* ========================================
   課題の共有
   ======================================== */
.problem-context {
    text-align: center;
}

.problem-context__lead {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 2rem;
    font-weight: 500;
}

.problem-context__facts {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.problem-context__fact {
    background: var(--color-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--color-navy);
}

.problem-context__highlight {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.problem-context__text {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.problem-context__question {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.problem-context__you {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-navy);
}

/* グラフ */
.chart {
    margin-bottom: 1rem;
}

.chart--bar {
    background: #e5e7eb;
    border-radius: 0.5rem;
    height: 3rem;
    overflow: visible;
    position: relative;
}

.chart__bar {
    background: linear-gradient(90deg, rgb(30, 58, 95), rgb(45, 80, 120));
    height: 100%;
    width: 70%;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1rem;
    position: relative;
}

.chart__bar--low {
    background: linear-gradient(90deg, #ff6b6b, #ee5a5a);
    width: 15%;
    min-width: 100px;
}

.chart__value {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* 問題の補足テキスト */
.problem-context__sub {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

/* 解決策セクション（転換点） */
.section--solution {
    background: linear-gradient(135deg, var(--color-accent) 0%, #1a6b52 100%);
    color: #fff;
    text-align: center;
    position: relative;
}

.solution-arrow {
    font-size: 2rem;
    margin-bottom: 1rem;
    animation: bounce 1.5s ease-in-out infinite;
}

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

.section--solution .solution__headline {
    color: #fff;
    font-size: 1.4rem;
}

.section--solution .solution__text {
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   解決策
   ======================================== */
.solution {
    text-align: center;
}

.solution__headline {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.solution__text {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.9;
}

/* ========================================
   哲学 - 対比レイアウト
   ======================================== */
.philosophy-compare {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.philosophy-compare__item {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 320px;
    text-align: center;
}

.philosophy-compare__item--old {
    opacity: 0.7;
}

.philosophy-compare__item--new {
    border: 2px solid var(--color-accent);
}

.philosophy-compare__label {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2rem;
    margin-bottom: 1rem;
}

.philosophy-compare__label--accent {
    background: var(--color-accent);
    color: #fff;
}

.philosophy-compare__illustration {
    margin-bottom: 1rem;
}

.philosophy-compare__illustration .illustration-placeholder {
    width: 100%;
    height: 120px;
}

.philosophy-compare__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.philosophy-compare__list {
    text-align: left;
    padding-left: 1.25rem;
}

.philosophy-compare__list li {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 0.4rem;
    position: relative;
}

.philosophy-compare__item--old .philosophy-compare__list li::before {
    content: "×";
    position: absolute;
    left: -1.25rem;
    color: #ff6b6b;
}

.philosophy-compare__item--new .philosophy-compare__list li::before {
    content: "✓";
    position: absolute;
    left: -1.25rem;
    color: var(--color-accent);
}

.philosophy-compare__arrow {
    font-size: 2rem;
    opacity: 0.5;
    transform: rotate(90deg);
}

.philosophy-compare__cta {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* ========================================
   サービス内容
   ======================================== */
.service-overview {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.service-price {
    text-align: center;
    background: linear-gradient(135deg, var(--color-bg-gray) 0%, #e8f0ed 100%);
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    border: 2px solid var(--color-accent);
    position: relative;
    overflow: hidden;
}

.service-price::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-navy));
}

.service-price__label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.service-price__amount {
    font-size: 1rem;
    color: var(--color-text);
}

.service-price__amount span {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-navy);
}

.service-price__amount small {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.service-price__note {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.service-detail {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-item {
    background: var(--color-bg-gray);
    padding: 1.25rem;
    border-radius: var(--radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--color-bg);
}

.service-item h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.service-item p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   具体例
   ======================================== */
.examples {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.example {
    background: var(--color-bg);
    padding: 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.example:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.example__image {
    margin-bottom: 1rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.example__placeholder {
    background: linear-gradient(135deg, var(--color-bg-gray) 0%, #e8ecf0 100%);
    padding: 2.5rem 1rem;
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
}

.example__text {
    padding: 0.5rem 0;
}

.example__before {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    padding-left: 1rem;
    border-left: 3px solid var(--color-border);
}

.example__after {
    font-size: 0.9rem;
    color: var(--color-navy);
    font-weight: 500;
    padding-left: 1rem;
}

/* ========================================
   比較表
   ======================================== */
.comparison {
    overflow-x: auto;
    margin: 0 -1.25rem;
    padding: 0 1.25rem;
}

.comparison__table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
    font-size: 0.8rem;
}

.comparison__table th,
.comparison__table td {
    padding: 0.75rem 0.5rem;
    text-align: center;
    border: 1px solid var(--color-border);
    vertical-align: middle;
}

.comparison__table thead th {
    background: var(--color-bg-gray);
    font-weight: 500;
    color: var(--color-text);
}

.comparison__table tbody td:first-child {
    text-align: left;
    font-weight: 500;
    background: var(--color-bg-gray);
}

.comparison__table small {
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.comparison__highlight {
    background: rgba(45, 138, 110, 0.08) !important;
    color: var(--color-accent);
}

.comparison__table thead .comparison__highlight {
    background: var(--color-accent) !important;
    color: #fff;
}

/* ========================================
   対象者
   ======================================== */
.target {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.target__good,
.target__bad {
    background: var(--color-bg);
    padding: 1.25rem;
    border-radius: var(--radius);
}

.target__good {
    border: 2px solid var(--color-accent);
}

.target__bad {
    border: 2px solid var(--color-border);
}

.target__good h3,
.target__bad h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.target__good h3 {
    color: var(--color-accent);
}

.target__bad h3 {
    color: var(--color-text-muted);
}

.target__good li,
.target__bad li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.85rem;
    line-height: 1.6;
}

.target__good li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.target__bad li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

.target__note {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ========================================
   ご利用の流れ
   ======================================== */
.flow {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.flow__item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
}

.flow__item:last-child {
    border-bottom: none;
}

.flow__number {
    width: 36px;
    height: 36px;
    background: var(--color-navy);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 0.3s ease, background 0.3s ease;
}

.flow__item:hover .flow__number {
    transform: scale(1.1);
    background: var(--color-accent);
}

.flow__content h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.4rem;
}

.flow__content p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   FAQ
   ======================================== */
.faq {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq__item {
    background: var(--color-bg);
    padding: 1.25rem;
    border-radius: var(--radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq__item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.faq__question {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.75rem;
    padding-left: 1.25rem;
    position: relative;
}

.faq__question::before {
    content: "Q";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.faq__answer {
    font-size: 0.85rem;
    color: var(--color-text);
    line-height: 1.8;
    padding-left: 1.25rem;
}

/* ========================================
   CTA
   ======================================== */
.cta__text {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
    line-height: 1.9;
}

.cta__action {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.cta__note {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--color-navy-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 3rem 2rem;
}

.footer__inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.footer__logo {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
}

.footer__address {
    font-size: 0.9rem;
}

.footer__links {
    display: flex;
    gap: 2rem;
    font-size: 0.85rem;
}

.footer__links a:hover {
    color: #fff;
}

.footer__copyright {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ========================================
   レスポンシブ（PC版）
   ======================================== */
@media (min-width: 768px) {
    /* PC版ヘッダー */
    .header__hamburger {
        display: none;
    }

    .header__nav {
        position: static;
        width: auto;
        height: auto;
        flex-direction: row;
        padding: 0;
        gap: 2rem;
        background: transparent;
        box-shadow: none;
        align-items: center;
    }

    .header__nav a {
        font-size: 0.9rem;
        color: var(--color-text-light);
        padding: 0;
        border-bottom: none;
    }

    .header__cta {
        padding: 0.5rem 1.25rem;
        margin-top: 0;
    }

    .hero {
        padding: 10rem 2rem 6rem;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__subtitle {
        font-size: 1.1rem;
    }

    .section {
        padding: 5rem 2rem;
    }

    .section__title {
        font-size: 1.75rem;
        margin-bottom: 3rem;
    }

    .section__lead {
        font-size: 1rem;
    }

    /* 心の声 - PC版 */
    .voices {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .voice, .voice:nth-child(even) {
        flex-direction: row;
    }

    .voice:nth-child(even) .voice__bubble::before {
        left: -16px;
        right: auto;
        border-right-color: var(--color-bg-gray);
        border-left-color: transparent;
    }

    .illustration-placeholder--small {
        width: 80px;
        height: 80px;
    }

    /* 課題の共有 - PC版 */
    .problem-context__facts {
        flex-direction: row;
        gap: 2rem;
    }

    .problem-context__fact {
        flex: 1;
        padding: 2rem;
    }

    .problem-context__lead {
        font-size: 1.1rem;
    }

    .problem-context__you {
        font-size: 1.4rem;
    }

    /* 哲学 - PC版 */
    .philosophy-compare {
        flex-direction: row;
        justify-content: center;
        gap: 2rem;
    }

    .philosophy-compare__arrow {
        transform: rotate(0);
        align-self: center;
    }

    .philosophy-compare__item {
        padding: 2rem;
    }

    .philosophy-compare__illustration .illustration-placeholder {
        height: 150px;
    }

    .philosophy-compare__title {
        font-size: 1.25rem;
    }

    .solution__headline {
        font-size: 1.5rem;
    }

    .service-price {
        padding: 2.5rem;
    }

    .service-price__amount span {
        font-size: 3rem;
    }

    .service-detail {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .service-item {
        padding: 1.75rem;
    }

    .examples {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .example {
        padding: 1.75rem;
    }

    .example__placeholder {
        padding: 3rem 1rem;
    }

    .comparison {
        margin: 0;
        padding: 0;
    }

    .comparison__table {
        font-size: 0.9rem;
    }

    .comparison__table th,
    .comparison__table td {
        padding: 1rem;
    }

    .target {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .target__good,
    .target__bad {
        padding: 1.75rem;
    }

    .flow__item {
        padding: 1.75rem 0;
        gap: 1.5rem;
    }

    .flow__number {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    .flow__content h3 {
        font-size: 1rem;
    }

    .faq__item {
        padding: 1.75rem;
    }

    .faq__question {
        font-size: 1rem;
    }

    .faq__answer {
        font-size: 0.9rem;
    }

    .cta__text {
        font-size: 1rem;
    }

}

/* ========================================
   3プランカード
   ======================================== */
.section__lead {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

.plans {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .plans {
        flex-direction: row;
        align-items: stretch;
    }
}

.plan {
    flex: 1;
    min-width: 260px;
    max-width: 340px;
    width: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.plan:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.plan--recommended {
    border: 2px solid var(--color-accent);
    position: relative;
    transform: scale(1.03);
}

.plan--recommended:hover {
    transform: scale(1.03) translateY(-4px);
}

.plan__badge {
    position: absolute;
    top: 0;
    right: 1.5rem;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.plan__header {
    padding: 1.5rem 1.5rem 0.5rem;
}

.plan__label {
    font-size: 0.8rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.plan__name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
}

.plan__body {
    padding: 0.5rem 1.5rem 1.5rem;
    flex: 1;
}

.plan__price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.plan__price small {
    font-size: 1rem;
    font-weight: 400;
}

.plan__price-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.25rem;
}

.plan__duration {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.plan__features {
    list-style: none;
}

.plan__features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
}

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

.plan__footer {
    padding: 0 1.5rem 1.5rem;
    text-align: center;
}

.plan__footer .btn {
    width: 100%;
}

.btn--outline {
    display: inline-block;
    padding: 0.875rem 2rem;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn--outline:hover {
    background: var(--color-accent);
    color: #fff;
}

/* 円グラフ（ドーナツ） */
.chart-donut {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(
        var(--color) 0% calc(var(--percentage) * 1%),
        #e5e7eb calc(var(--percentage) * 1%) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: 0 auto 1rem;
}

.chart-donut::before {
    content: '';
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-bg);
    position: absolute;
}

.chart-donut__value {
    position: relative;
    z-index: 1;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

/* インラインCTA */
.section__cta-inline {
    text-align: center;
    margin-top: 2rem;
}

/* ヒーローCTA補足テキスト */
.hero__cta-note {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}