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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
    background-color: #ffffff;
    color: #333333;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    background-color: #ffffff;
}

:root {
    --sb-silver: #C0C0C0;
    --sb-silver-dark: #343434;
    --sb-silver-light: #E0E0E0;
    --sb-red: #E4002B;
    --sb-black: #000000;
    --sb-gray-dark: #333333;
    --sb-gray: #666666;
    --sb-gray-light: #999999;
    --sb-gray-pale: #f5f5f5;
    --sb-white: #ffffff;
    --sb-border: #e5e5e5;
}

a {
    color: var(--sb-gray-dark);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* テキストリンク（青文字下線） */
.text-link {
    color: #0066cc;
    text-decoration: underline;
}

.text-link:hover {
    color: #004499;
}

/* SoftBank ブランドカラー */
.sb-brand {
    color: #f9d12d;
}

.accent-font {
    color: #f9d12d;
}

.sb-brand-hikari {
    color: #f9d12d;
}

/* ========================================
   Info Bar - 代理店情報
   ======================================== */
.info-bar {
    background: #f8f8f8;
    padding: 6px 16px;
    text-align: center;
    font-size: 10px;
    color: #888888;
    border-bottom: 1px solid var(--sb-border);
    line-height: 1.6;
}

.info-bar span {
    display: block;
}

@media (max-width: 767px) {
    .info-bar {
        font-size: 9px;
        padding: 5px 12px;
        text-align: right;
    }
}

/* ========================================
   Header
   ======================================== */
.header {
    background: #f9d12c;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo {
    height: 30px;
    width: auto;
    margin: 8.4px;
}

.header-title {
    font-size: 11px;
    font-weight: 500;
    color: var(--sb-gray-dark);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--sb-gray-dark);
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
}

.header-phone:hover {
    text-decoration: none;
    opacity: 0.8;
}

.header-phone-icon {
    width: 16px;
    height: 16px;
    fill: var(--sb-silver-dark);
}

.header-phone-number {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

/* ========================================
   Hero Section - メインビジュアル
   ======================================== */
.hero {
    position: relative;
    background-color: #f9d12d;
}

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

.hero-content {
    padding: 0px 15px 25px;
    text-align: center;
}

/* ヒーローヘッドライン */
.hero-headline {
    background: #f9d12c;
    padding: 20px 15px 30px;
    margin: 0 -15px;
}

.hero-catch {
    font-size: 20px;
    color: var(--sb-white);
    margin-bottom: 10px;
    letter-spacing: 0.1em;
    font-weight: 700;
    text-shadow:
        0 0 8px rgba(255, 255, 255, 0.5),
        0 0 15px rgba(255, 255, 255, 0.3);
}

.hero-character {
    max-width: 200px;
    height: auto;
}

.hero-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    line-height: 1.4;
    margin-bottom: 0;
}

.hero-headline strong {
    font-size: xx-large;
}

.hero-logo {
    max-width: 330px;
    height: auto;
    margin-top: 25px;
}

/* 料金表示 */
.price-box {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.price-card {
    background: var(--sb-white);
    padding: 20px 16px;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    border: 2px solid var(--sb-border);
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.price-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--sb-silver-dark);
}

.price-type {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--sb-silver-dark);
    color: var(--sb-white);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.price-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.price-building-img {
    width: 80px;
    height: auto;
    margin-bottom: 12px;
}

.price-amount {
    line-height: 1;
}

.price-amount strong {
    font-size: 36px;
    font-weight: 700;
    color: var(--sb-red);
}

.price-amount span {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

.price-plan-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    text-align: center;
    margin-bottom: 8px;
    background: var(--sb-white);
    display: inline-block;
    padding: 4px 16px;
    border-radius: 20px;
    width: 100%;
}

.price-note {
    font-size: 11px;
    color: var(--sb-gray-light);
    margin-bottom: 15px;
    text-align: right;
}

/* CTA Buttons */
.cta-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0 auto;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn:hover {
    text-decoration: none;
    opacity: 0.85;
}

.btn-primary {
    background: var(--sb-silver-dark);
    color: var(--sb-white);
}

.btn-outline {
    background: var(--sb-white);
    color: var(--sb-gray-dark);
    border: 2px solid var(--sb-silver-dark);
}

.btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ========================================
   Section Base
   ======================================== */
.section {
    padding: 0 20px;
}

.section-title {
    text-align: center;
    padding: 24px 0;
}

.section-title h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    line-height: 1.5;
}

.section-title p {
    font-size: 13px;
    color: var(--sb-gray);
    margin-top: 8px;
}

.section-label {
    display: inline-block;
    background: var(--sb-silver-dark);
    color: var(--sb-white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}

/* ========================================
   Campaign Section - キャンペーン特典
   ======================================== */
.campaign {
    background: linear-gradient(180deg, #f8f8f8 0%, #ffffff 100%);
    padding: 32px 20px;
}

.campaign .section-title h2 {
    font-size: 22px;
}

.campaign .section-title h2 strong {
    font-size: 26px;
    color: var(--sb-red);
}

.campaign-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.campaign-card {
    background: var(--sb-white);
    border: 2px solid var(--sb-border);
    border-radius: 16px;
    padding: 24px 20px;
    text-align: center;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.campaign-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--sb-silver-dark);
}

.campaign-badge {
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--sb-red);
    color: var(--sb-white);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
}

.campaign-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.campaign-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--sb-silver-dark);
}

.campaign-label {
    font-size: 13px;
    color: var(--sb-gray);
    margin-bottom: 4px;
}

.campaign-amount {
    line-height: 1;
    margin-bottom: 8px;
}

.campaign-amount .num {
    font-size: 36px;
    font-weight: 700;
    color: var(--sb-red);
}

.campaign-amount .unit {
    font-size: 18px;
    font-weight: 700;
    color: var(--sb-red);
}

.campaign-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-bottom: 8px;
}

.campaign-note {
    font-size: 11px;
    color: var(--sb-gray-light);
}

.campaign-total {
    background: var(--sb-silver-dark);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.campaign-total-label {
    font-size: 14px;
    color: var(--sb-white);
    margin-bottom: 8px;
    opacity: 0.9;
}

.campaign-total-amount {
    color: var(--sb-white);
    line-height: 1.2;
}

.campaign-total-amount .prefix {
    font-size: 14px;
}

.campaign-total-amount .value {
    font-size: 40px;
    font-weight: 700;
}

.campaign-total-amount .suffix {
    font-size: 16px;
    font-weight: 700;
}

/* ========================================
   Features Section - 選ばれる理由（REASON形式）
   ======================================== */
.features {
    background: var(--sb-gray-pale);
    padding-bottom: 24px;
}

.reason-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.reason-item {
    background: var(--sb-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.reason-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.reason-label {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.1em;
}

.reason-number {
    font-family: 'Rampart One', cursive;
    font-size: 48px;
    font-weight: 700;
    color: var(--sb-red);
    text-shadow: 0 2px 8px rgba(228, 0, 43, 0.4);
}

.reason-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    padding: 20px;
    text-align: center;
    line-height: 1.5;
    border-bottom: 1px solid var(--sb-border);
}

.reason-content {
    padding: 20px;
}

/* Speed Compare Box (REASON 01) - ダーク背景版 */
.speed-compare-box {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 16px;
    padding: 24px 20px;
    margin-bottom: 20px;
    overflow: hidden;
}

.speed-compare-header {
    text-align: center;
    margin-bottom: 24px;
}

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

.speed-compare-highlight {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.speed-compare-highlight .num {
    font-size: 64px;
    font-weight: 700;
    color: var(--sb-red);
    line-height: 1;
    text-shadow: 0 4px 20px rgba(228, 0, 43, 0.5);
}

.speed-compare-highlight .unit {
    font-size: 32px;
    font-weight: 700;
    color: var(--sb-red);
}

.speed-compare-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.speed-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.speed-name {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.speed-row.sb .speed-name {
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
}

.speed-spec {
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
}

.speed-row.sb .speed-spec {
    font-size: 18px;
    color: var(--sb-red);
}

.speed-bar-wrap {
    width: 100%;
}

.speed-bar-bg {
    width: 100%;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
}

.speed-row.other .speed-bar-fill {
    width: 7%;
    height: 100%;
    background: #666;
    border-radius: 16px;
}

.speed-row.sb .speed-bar-bg {
    background: rgba(228, 0, 43, 0.15);
}

.speed-row.sb .speed-bar-fill {
    width: 67%;
    height: 100%;
    background: linear-gradient(90deg, var(--sb-red) 0%, #ff4444 50%, #ff6666 100%);
    border-radius: 16px;
    box-shadow: 0 0 20px rgba(228, 0, 43, 0.5);
    animation: speedPulse 2s ease-in-out infinite;
}

@keyframes speedPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(228, 0, 43, 0.5);
    }
    50% {
        box-shadow: 0 0 30px rgba(228, 0, 43, 0.8);
    }
}

.reason-note {
    font-size: 10px;
    color: var(--sb-gray-light);
    margin-top: 12px;
    line-height: 1.5;
    text-align: left;
}

.speed-value {
    font-size: 12px;
    color: var(--sb-gray);
    margin-bottom: 6px;
}

.speed-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

.speed-card-highlight .speed-num {
    color: var(--sb-red);
}

.speed-unit {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

.speed-desc {
    font-size: 11px;
    color: var(--sb-gray);
    line-height: 1.5;
}

/* Reason Points */
.reason-points {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.reason-point {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: var(--sb-gray-dark);
    line-height: 1.5;
}

.point-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    background: var(--sb-silver-dark);
    color: var(--sb-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}

/* Price Summary in Features */
.reason-price-summary {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.price-summary-item {
    flex: 1;
    background: var(--sb-gray-pale);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.price-summary-label {
    display: block;
    font-size: 12px;
    color: var(--sb-gray);
    margin-bottom: 6px;
}

.price-summary-value {
    font-size: 14px;
    color: var(--sb-gray-dark);
}

.price-summary-value .num {
    font-size: 24px;
    font-weight: 700;
    color: var(--sb-red);
}

.price-summary-value .yen {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-red);
}

/* Smartphone Discount */
.smartphone-discount {
    background: linear-gradient(135deg, #fff9e6 0%, #fff5cc 100%);
    border: 2px solid #f9d12d;
    border-radius: 12px;
    overflow: hidden;
}

.discount-header {
    padding: 12px;
    text-align: center;
}

.discount-badge {
    display: inline-block;
    background: #f9d12d;
    color: var(--sb-gray-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 20px;
}

.discount-body {
    padding: 0 16px 16px;
    text-align: center;
}

.discount-title {
    font-size: 14px;
    color: var(--sb-gray-dark);
    line-height: 1.6;
}

.discount-title strong {
    color: var(--sb-red);
    font-size: 18px;
}

.discount-note {
    font-size: 11px;
    color: var(--sb-gray);
    margin-top: 8px;
}

/* Support Cards */
.support-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.support-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--sb-gray-pale);
    border-radius: 12px;
    padding: 16px;
}

.support-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--sb-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--sb-silver-dark);
}

.support-text {
    flex: 1;
}

.support-label {
    font-size: 12px;
    color: var(--sb-gray);
    margin-bottom: 4px;
}

.support-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

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

/* Speed Compare Bar */
.speed-compare-box {
    background: var(--sb-white);
    border: 1px solid var(--sb-border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}

.compare-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    text-align: center;
    margin-bottom: 16px;
}

.speed-compare-visual {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.speed-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.speed-name {
    font-size: 12px;
    color: var(--sb-gray);
}

.speed-spec {
    font-size: 12px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

.speed-row.sb .speed-spec {
    color: var(--sb-red);
}

.speed-bar-wrap {
    width: 100%;
}

.speed-bar-bg {
    width: 100%;
    height: 12px;
    background: var(--sb-gray-pale);
    border-radius: 6px;
    overflow: hidden;
}

.speed-bar-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.8s ease-out;
}

.speed-row.other .speed-bar-fill {
    width: 15%;
    background: linear-gradient(90deg, #ccc 0%, #999 100%);
}

.speed-row.sb .speed-bar-fill {
    width: 90%;
    background: linear-gradient(90deg, #f9d12d 0%, #ff9500 100%);
}

.speed-compare-note {
    font-size: 10px;
    color: var(--sb-gray-light);
    text-align: center;
    margin-top: 12px;
}

/* Family Simulation */
.family-simulation {
    background: var(--sb-white);
    border-radius: 12px;
    padding: 16px;
    margin: 12px 0;
}

.family-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    text-align: center;
    margin-bottom: 12px;
}

.family-members {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-bottom: 16px;
}

.family-member {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.member-icon {
    width: 48px;
    height: 48px;
    background: var(--sb-gray-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    overflow: hidden;
}

.member-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.family-member span {
    font-size: 10px;
    color: var(--sb-gray);
}

.family-members .plus {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-gray-light);
}

.family-result {
    background: transparent;
    border-top: 2px dashed var(--sb-red);
    padding: 16px 0 0;
    margin-top: 12px;
    text-align: center;
}

.result-label {
    font-size: 12px;
    color: var(--sb-gray);
    margin-bottom: 8px;
}

.result-amount {
    line-height: 1;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.result-amount .value {
    font-size: 32px;
    font-weight: 700;
    color: var(--sb-red);
}

.result-amount .unit {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-red);
}

.result-amount .off {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-left: 4px;
}

.result-calc {
    font-size: 10px;
    color: var(--sb-gray-light);
    text-align: left;
    margin-top: 8px;
}

/* Discount Points List */
.discount-points {
    list-style: none;
    padding: 12px 16px;
    margin: 0;
}

.discount-points li {
    font-size: 12px;
    color: var(--sb-gray-dark);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    border-bottom: 1px solid rgba(249, 209, 45, 0.3);
}

.discount-points li:last-child {
    border-bottom: none;
}

.discount-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #f9d12d;
    font-weight: 700;
}

/* ========================================
   めちゃトク割キャンペーン
   ======================================== */
.mechatoku-campaign {
    background: var(--sb-gray-pale);
    border: 2px solid var(--sb-silver-dark);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.mechatoku-header {
    padding: 12px;
    text-align: center;
    background: var(--sb-silver-dark);
}

.mechatoku-badge {
    display: inline-block;
    color: var(--sb-white);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.mechatoku-cards {
    display: flex;
    gap: 12px;
    padding: 16px;
}

.mechatoku-card {
    flex: 1;
    background: var(--sb-white);
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
    border: 1px solid var(--sb-border);
}

.mechatoku-card-highlight {
    border: 2px solid var(--sb-silver-dark);
    background: var(--sb-white);
}

.mechatoku-plan-badge {
    display: inline-block;
    background: var(--sb-gray);
    color: var(--sb-white);
    font-size: 11px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.mechatoku-card-highlight .mechatoku-plan-badge {
    background: var(--sb-silver-dark);
}

.mechatoku-period {
    font-size: 12px;
    color: var(--sb-gray);
    margin-bottom: 6px;
}

.mechatoku-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 6px;
}

.mechatoku-label {
    font-size: 11px;
    color: var(--sb-gray);
}

.mechatoku-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--sb-red);
    line-height: 1;
}

.mechatoku-yen {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-red);
}

.mechatoku-savings {
    font-size: 12px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin: 8px 0 6px;
    padding: 4px 8px;
    background: rgba(228, 0, 43, 0.1);
    border-radius: 4px;
}

.mechatoku-savings .savings-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-red);
}

.mechatoku-original {
    font-size: 10px;
    color: var(--sb-gray-light);
}

.mechatoku-badge sup {
    color: var(--sb-white);
}

.mechatoku-note {
    font-size: 10px;
    color: var(--sb-gray);
    text-align: center;
    padding: 0 16px 12px;
}

/* ========================================
   注釈アコーディオン
   ======================================== */
.notes-accordion {
    margin: 12px 0 20px;
}

.notes-accordion-item {
    border: 1px solid var(--sb-border);
    border-radius: 6px;
    margin-bottom: 8px;
    overflow: hidden;
    background: var(--sb-white);
}

.notes-accordion-item:last-child {
    margin-bottom: 0;
}

.notes-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--sb-gray-pale);
    cursor: pointer;
    transition: background-color 0.2s;
}

.notes-accordion-header:hover {
    background: #eaeaea;
}

.notes-accordion-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

.notes-accordion-icon {
    font-size: 10px;
    color: var(--sb-gray);
    transition: transform 0.3s ease;
}

.notes-accordion-item.active .notes-accordion-icon {
    transform: rotate(180deg);
}

.notes-accordion-content {
    display: none;
    padding: 12px;
    background: var(--sb-white);
    border-top: 1px solid var(--sb-border);
}

.notes-accordion-item.active .notes-accordion-content {
    display: block;
}

.notes-accordion-content p {
    font-size: 10px;
    color: var(--sb-gray);
    line-height: 1.6;
    margin-bottom: 8px;
    text-align: left;
}

.notes-accordion-content p:last-child {
    margin-bottom: 0;
}

.notes-accordion-content .notes-section-title {
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-top: 12px;
}

.notes-accordion-content a {
    color: var(--sb-gray-dark);
    text-decoration: underline;
}

/* ========================================
   おうち割 光セット
   ======================================== */
.ouchiwari-campaign {
    background: var(--sb-gray-pale);
    border: 2px solid var(--sb-silver-dark);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 20px;
}

.ouchiwari-header {
    padding: 12px;
    text-align: center;
    background: var(--sb-silver-dark);
}

.ouchiwari-badge {
    display: inline-block;
    color: var(--sb-white);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.ouchiwari-badge sup {
    color: var(--sb-white);
}

.ouchiwari-cards {
    display: flex;
    gap: 12px;
    padding: 16px;
}

.ouchiwari-card {
    flex: 1;
    background: var(--sb-white);
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
    border: 1px solid var(--sb-border);
}

.ouchiwari-carrier-badge {
    display: inline-block;
    background: var(--sb-gray);
    color: var(--sb-white);
    font-size: 11px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.ouchiwari-carrier-badge.ymobile {
    background: --sb-gray;
}

.ouchiwari-plan {
    font-size: 10px;
    color: var(--sb-gray);
    margin-bottom: 8px;
}

.ouchiwari-breakdown {
    background: var(--sb-gray-pale);
    border-radius: 6px;
    padding: 8px;
    margin-bottom: 10px;
}

.ouchiwari-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 0;
    font-size: 11px;
    border-bottom: 1px dotted var(--sb-border);
}

.ouchiwari-item:last-child {
    border-bottom: none;
}

.ouchiwari-item .item-name {
    color: var(--sb-gray);
    margin-bottom: 2px;
}

.ouchiwari-item .item-value {
    color: var(--sb-red);
    font-weight: 700;
    font-size: 14px;
}

.ouchiwari-total {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 0;
    margin-bottom: 8px;
}

.ouchiwari-total .ouchiwari-label {
    font-size: 11px;
    color: var(--sb-gray);
    margin-bottom: 4px;
}

.ouchiwari-price-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.ouchiwari-price-row .ouchiwari-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--sb-red);
}

.ouchiwari-price-row .ouchiwari-yen {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-red);
}

.ouchiwari-price-row .ouchiwari-off {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-red);
    margin-left: 4px;
}

.ouchiwari-period {
    font-size: 11px;
    color: var(--sb-gray);
    background: var(--sb-gray-pale);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.ouchiwari-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 16px;
    margin-bottom: 12px;
}

.ouchiwari-point {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 12px;
    color: var(--sb-gray-dark);
}

.ouchiwari-notes {
    padding: 12px 16px;
    background: var(--sb-white);
    border-top: 1px solid var(--sb-border);
}

.ouchiwari-note {
    font-size: 10px;
    color: var(--sb-gray);
    text-align: left;
    line-height: 1.6;
    margin-bottom: 4px;
}

.ouchiwari-note:last-child {
    margin-bottom: 0;
}

/* ========================================
   工事費サポート
   ======================================== */
.cost-free-campaign {
    background: var(--sb-white);
    border: 2px solid var(--sb-silver-dark);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
}

.cost-free-header {
    background: var(--sb-silver-dark);
    padding: 10px;
    text-align: center;
}

.cost-free-badge {
    color: var(--sb-white);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.cost-free-main {
    padding: 16px;
    text-align: center;
}

.cost-free-label {
    font-size: 12px;
    color: var(--sb-gray);
    margin-bottom: 8px;
}

.cost-free-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.cost-free-original {
    font-size: 16px;
    color: var(--sb-gray);
    text-decoration: line-through;
}

.cost-free-arrow {
    font-size: 16px;
    color: var(--sb-gray);
}

.cost-free-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-red);
}

.cost-free-zero {
    font-size: 32px;
    font-weight: 700;
}

.cost-free-detail {
    font-size: 11px;
    color: var(--sb-gray);
}

.cost-free-types {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 16px 16px;
    background: var(--sb-gray-pale);
}

.cost-type {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
}

.cost-type-label {
    background: var(--sb-gray);
    color: var(--sb-white);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
    white-space: nowrap;
}

.cost-type-name {
    color: var(--sb-gray-dark);
    font-weight: 500;
}

/* ========================================
   あんしん乗り換えキャンペーン
   ======================================== */
.transfer-campaign {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.transfer-header {
    padding: 12px 16px;
    text-align: center;
}

.transfer-badge {
    display: inline-block;
    background: var(--sb-red);
    color: var(--sb-white);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 14px;
}

.transfer-body {
    padding: 0 16px 16px;
    text-align: center;
}

.transfer-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 6px;
}

.transfer-main-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--sb-white);
    margin-bottom: 8px;
}

.transfer-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--sb-white);
    margin-bottom: 4px;
}

.transfer-num {
    font-size: 48px;
    font-weight: 700;
    color: #f9d12d;
}

.transfer-unit {
    font-size: 20px;
    font-weight: 700;
    color: #f9d12d;
}

.transfer-method {
    font-size: 14px;
    font-weight: 700;
    color: #f9d12d;
    margin-bottom: 12px;
}

.transfer-targets {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px;
    margin: 0 auto;
    max-width: 280px;
}

.transfer-targets-title {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
    text-align: center;
}

.transfer-targets-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 12px;
}

.transfer-targets-list li {
    font-size: 11px;
    color: var(--sb-white);
    padding-left: 14px;
    position: relative;
}

.transfer-targets-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #f9d12d;
    font-size: 10px;
}

.transfer-note {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    padding: 12px 16px;
}

/* ========================================
   注釈用SUPタグ
   ======================================== */
sup {
    font-size: 10px;
    color: var(--sb-gray);
    font-weight: 400;
    vertical-align: super;
    line-height: 1;
}

/* ========================================
   Features セクション注釈
   ======================================== */
.features-notes {
    margin-top: 24px;
    padding: 16px;
    background: var(--sb-white);
    border-radius: 8px;
}

.features-note {
    font-size: 10px;
    color: var(--sb-gray-light);
    line-height: 1.6;
    margin-bottom: 6px;
}

.features-note:last-child {
    margin-bottom: 0;
}

/* Legacy feature styles (keep for compatibility) */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    background: var(--sb-white);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    border-radius: 50%;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--sb-silver-dark);
}

.feature-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-bottom: 12px;
    line-height: 1.5;
}

.feature-desc {
    font-size: 13px;
    color: var(--sb-gray);
    line-height: 1.8;
    text-align: left;
}

/* ========================================
   Pricing Section - 料金プラン
   ======================================== */
.pricing {
    background: var(--sb-white);
    padding: 0px 20px 32px;
}

.pricing-cards {
    display: flex;
    gap: 12px;
}

.pricing-card {
    flex: 1;
    background: var(--sb-white);
    border: 2px solid var(--sb-border);
    border-radius: 12px;
    overflow: hidden;
}

.pricing-card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 8px;
    background: var(--sb-gray-pale);
    border-bottom: 1px solid var(--sb-border);
}

.pricing-card-icon {
    width: 48px;
    height: 48px;
}

.pricing-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pricing-card-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--sb-gray-dark);
}

.pricing-card-body {
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pricing-plan {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    background: var(--sb-gray-pale);
    border-radius: 8px;
}

.pricing-plan-10g {
    background: var(--sb-gray-pale);
}

.pricing-plan-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--sb-gray);
}

.pricing-plan-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--sb-white);
    background: var(--sb-red);
    padding: 2px 8px;
    border-radius: 4px;
}

.pricing-plan-price {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.pricing-plan-num {
    font-size: 22px;
    font-weight: 700;
    color: var(--sb-red);
}

.pricing-plan-unit {
    font-size: 11px;
    font-weight: 700;
    color: var(--sb-gray);
}

.pricing-notes {
    padding: 12px 0 0;
}

.pricing-note {
    font-size: 10px;
    color: var(--sb-gray);
    text-align: left;
    line-height: 1.5;
    margin-bottom: 4px;
}

/* ========================================
   Flow Section - 手続きの流れ
   ======================================== */
.flow {
    background: linear-gradient(180deg, #f8f8f8 0%, #ffffff 100%);
}

.flow-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 400px;
    margin: 0 auto;
}

.flow-item {
    position: relative;
    background: var(--sb-white);
    padding: 20px;
    padding-left: 24px;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--sb-border);
}

.flow-number {
    position: absolute;
    top: -10px;
    left: -10px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--sb-silver-dark);
    border-radius: 50%;
    color: var(--sb-white);
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--sb-white);
}

.flow-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-bottom: 6px;
}

.flow-desc {
    font-size: 13px;
    color: var(--sb-gray);
    line-height: 1.7;
}

.flow-arrow {
    display: flex;
    justify-content: center;
    padding: 6px 0;
}

.flow-arrow svg {
    width: 20px;
    height: 20px;
    fill: var(--sb-silver-dark);
    opacity: 0.5;
}

/* ========================================
   Form Section - エリア確認フォーム
   ======================================== */
.form-section {
    background: var(--sb-gray-pale);
    padding: 48px 20px;
}

.form-card {
    background: var(--sb-white);
    border-radius: 12px;
    padding: 32px 24px;
    max-width: 400px;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 24px;
}

.form-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-bottom: 8px;
}

.form-desc {
    font-size: 13px;
    color: var(--sb-gray);
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--sb-gray-dark);
    margin-bottom: 8px;
}

.form-label .required {
    color: var(--sb-red);
    font-size: 11px;
    margin-left: 4px;
}

.form-input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    background: var(--sb-white);
    border: 1px solid var(--sb-border);
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--sb-silver-dark);
}

.form-input::placeholder {
    color: #cccccc;
}

.form-submit {
    width: 100%;
    margin-top: 8px;
}

.form-note {
    text-align: center;
    margin-top: 16px;
    font-size: 11px;
    color: var(--sb-gray-light);
}

.form-note a {
    color: var(--sb-gray);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    background: var(--sb-gray-pale);
    margin-top: 25px;
    padding-bottom: 25px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--sb-border);
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--sb-white);
    cursor: pointer;
}

.faq-q {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: var(--sb-silver-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sb-white);
    font-size: 12px;
    font-weight: 700;
}

.faq-question-text {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--sb-gray-dark);
    line-height: 1.5;
}

.faq-toggle {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sb-gray-light);
    transition: transform 0.2s;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 10px;
    background: white;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: 13px;
    color: var(--sb-gray);
    line-height: 1.8;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: white;
    padding: 25px 20px;
    text-align: center;
}

.cta-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-bottom: 8px;
}

.cta-subtitle {
    font-size: 13px;
    color: var(--sb-gray);
    margin-bottom: 24px;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 320px;
    margin: 0 auto;
}

.cta-phone-info {
    margin-top: 24px;
    font-size: 13px;
    color: var(--sb-gray);
}

.cta-phone-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-top: 4px;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--sb-gray-dark);
    color: var(--sb-white);
    padding: 10px 20px 5px
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 5px;
}

.footer-links a {
    color: var(--sb-white);
    text-decoration: none;
    font-size: 12px;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: none;
}

.footer-copyright {
    text-align: center;
    font-size: 11px;
    opacity: 0.6;
}

/* ========================================
   Responsive - Small Mobile (375px以下)
   ======================================== */
@media (max-width: 390px) {
    /* おうち割カード - 縦並びに変更 */
    .ouchiwari-cards {
        flex-direction: column;
        gap: 10px;
        padding: 12px;
    }

    /* 料金プランバッジ - 折り返し防止 */
    .pricing-plan-badge {
        white-space: nowrap;
        font-size: 10px;
        padding: 2px 6px;
    }

    .pricing-plan-name {
        font-size: 11px;
    }

    .pricing-plan-num {
        font-size: 20px;
    }

    .pricing-plan-unit {
        font-size: 10px;
    }

    .pricing-card-body {
        padding: 10px 6px;
    }

    .pricing-plan {
        padding: 6px 8px;
    }
}

/* ========================================
   Responsive - Tablet & Desktop
   ======================================== */
@media (min-width: 768px) {
    body {
        font-size: 15px;
    }

    .container {
        max-width: 768px;
        margin: 0 auto;
    }

    .header {
        padding: 20px 32px;
    }

    .logo {
        height: 32px;
        margin: 9px;
    }

    .header-title {
        font-size: 15px;
    }

    .hero-content {
        padding: 48px 32px;
    }

    .hero-headline {
        padding: 24px 32px 36px;
        margin: -48px -32px 0;
    }

    .hero-title {
        font-size: 32px;
    }

    .price-box {
        gap: 24px;
    }

    .price-card {
        max-width: 180px;
        padding: 20px 24px;
    }

    .cta-group {
        flex-direction: row;
        max-width: 480px;
    }

    .cta-group .btn {
        flex: 1;
    }

    .section {
        padding: 64px 32px;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .feature-list {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .feature-item {
        flex: 1;
        min-width: calc(50% - 12px);
    }

    .cta-buttons {
        flex-direction: row;
        max-width: 480px;
    }

    .cta-buttons .btn {
        flex: 1;
    }

    .site-footer {
        padding: 40px 32px;
    }
}

/* ========================================
   Complete Page
   ======================================== */
.complete-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--sb-white);
}

.complete-content {
    text-align: center;
    max-width: 360px;
}

.complete-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: #e8f5e9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.complete-icon svg {
    width: 36px;
    height: 36px;
    fill: #4caf50;
}

.complete-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--sb-gray-dark);
    margin-bottom: 16px;
}

.complete-message {
    font-size: 14px;
    color: var(--sb-gray);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-card {
    background: var(--sb-gray-pale);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.contact-card p {
    font-size: 13px;
    color: var(--sb-gray);
    margin-bottom: 8px;
}

.contact-phone {
    font-size: 24px;
    font-weight: 700;
    color: var(--sb-silver-dark);
    text-decoration: none;
    display: block;
}

/* ========================================
   ユーティリティクラス
   ======================================== */
.text-red {
    color: var(--sb-red);
}

/* ========================================
   キャンペーンテーブル
   ======================================== */
.campaign-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 10px;
}

.campaign-table th,
.campaign-table td {
    border: 1px solid var(--sb-border);
    padding: 12px 8px;
    text-align: center;
    vertical-align: middle;
}

.campaign-table th {
    background-color: var(--sb-gray-dark);
    color: var(--sb-white);
    font-weight: 500;
}

.campaign-table td {
    background-color: var(--sb-white);
}