/*
 * 社長のSHINKA - Landing Page
 * 
 * デザイン思想：
 * - 日本的ミニマル
 * - 余白、間、抑制
 * - 静かで落ち着いた佇まい
 * - 言葉が主役、でも視覚的にも印象に残る
 */

/* ==========================================================================
   Base
   ========================================================================== */

:root {
    --color-bg: #fafaf8;
    --color-bg-alt: #f5f4f1;
    --color-bg-accent: #f0ebe4;
    --color-text: #1a1a1a;
    --color-text-light: #5a5a5a;
    --color-accent: #8b7355;
    --color-accent-light: rgba(139, 115, 85, 0.1);
    --color-line: #e0ddd8;
    --color-white: #ffffff;
    
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Shippori Mincho', serif;
    
    --space-unit: 8px;
    --container-width: 1000px;
    --container-narrow: 600px;
    --section-padding: calc(var(--space-unit) * 14);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 1rem;
    line-height: 2.2;
    color: var(--color-text);
    background-color: var(--color-bg);
    letter-spacing: 0.04em;
}

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

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--space-unit) * 4);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--section-padding) 0;
}

/* 転換点セクション（アクセント背景） */
.section-turning-point {
    background-color: var(--color-bg-accent);
    padding: calc(var(--space-unit) * 12) 0;
    text-align: center;
}

.section-turning-point .section-title {
    margin-bottom: 0;
}

.section-turning-point .container {
    max-width: var(--container-narrow);
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: calc(var(--space-unit) * 2.5) 0;
    background-color: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--space-unit) * 4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text);
    text-decoration: none;
}

.header-cta {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--color-text);
    text-decoration: none;
    padding: calc(var(--space-unit) * 1) calc(var(--space-unit) * 2.5);
    border: 1px solid var(--color-text);
    transition: all 0.3s ease;
}

.header-cta:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
}

/* ==========================================================================
   First View
   ========================================================================== */

.section-fv {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.fv-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 55%;
    height: 100%;
    overflow: hidden;
}

.fv-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    opacity: 0.9;
}

.fv-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, var(--color-bg) 0%, rgba(250, 250, 248, 0.3) 100%);
}

.fv-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: calc(var(--space-unit) * 10);
    padding-bottom: calc(var(--space-unit) * 10);
}

.fv-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: calc(var(--space-unit) * 3);
}

.fv-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0.08em;
    margin-bottom: calc(var(--space-unit) * 4);
}

.fv-catch {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 2.2;
    color: var(--color-text-light);
    margin-bottom: calc(var(--space-unit) * 5);
}

.fv-cta {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--color-white);
    background-color: var(--color-text);
    text-decoration: none;
    padding: calc(var(--space-unit) * 2) calc(var(--space-unit) * 4);
    transition: all 0.3s ease;
}

.fv-cta:hover {
    background-color: var(--color-accent);
}

/* ==========================================================================
   Typography
   ========================================================================== */

.section-label {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: calc(var(--space-unit) * 3);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 2;
    letter-spacing: 0.06em;
    margin-bottom: calc(var(--space-unit) * 4);
}

.body-text {
    font-size: 0.9375rem;
    line-height: 2.4;
    margin-bottom: calc(var(--space-unit) * 3);
}

.body-text:last-child {
    margin-bottom: 0;
}

.body-text-lead {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    letter-spacing: 0.06em;
    margin-bottom: calc(var(--space-unit) * 5);
}

.quiet-emphasis {
    color: var(--color-text);
    font-weight: 400;
}

.highlight-text {
    position: relative;
    padding-left: calc(var(--space-unit) * 3);
    margin: calc(var(--space-unit) * 4) 0;
}

.highlight-text::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    bottom: 0.5em;
    width: 2px;
    background-color: var(--color-accent);
}

.statement {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    letter-spacing: 0.06em;
    margin: calc(var(--space-unit) * 4) 0;
}

/* ==========================================================================
   Lists
   ========================================================================== */

.quiet-list {
    list-style: none;
    margin: calc(var(--space-unit) * 3) 0;
}

.quiet-list li {
    font-size: 0.9375rem;
    line-height: 2.4;
    padding-left: calc(var(--space-unit) * 3);
    position: relative;
    margin-bottom: calc(var(--space-unit) * 1);
}

.quiet-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.1em;
    width: 8px;
    height: 1px;
    background-color: var(--color-accent);
}

/* ==========================================================================
   Figure Layout
   ========================================================================== */

.section-with-figure {
    padding: calc(var(--space-unit) * 10) 0;
}

.figure-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: calc(var(--space-unit) * 8);
    align-items: center;
}

.figure-layout-reverse {
    grid-template-columns: 280px 1fr;
}

.figure-layout-reverse .figure-visual {
    order: -1;
}

.figure-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.diagram {
    width: 100%;
    max-width: 240px;
    height: auto;
}

/* ==========================================================================
   Release List (Step 3)
   ========================================================================== */

.release-list {
    list-style: none;
}

.release-list li {
    margin-bottom: calc(var(--space-unit) * 4);
    padding-bottom: calc(var(--space-unit) * 4);
    border-bottom: 1px solid var(--color-line);
}

.release-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.release-from {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: calc(var(--space-unit) * 1);
}

.release-to {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-text);
    font-weight: 400;
}

/* ==========================================================================
   Testimonial
   ========================================================================== */

.section-testimonial {
    background-color: var(--color-bg-alt);
    padding: calc(var(--space-unit) * 10) 0;
}

.testimonial {
    position: relative;
    padding-left: calc(var(--space-unit) * 4);
}

.testimonial::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-accent);
    opacity: 0.5;
}

.testimonial-text {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 2.2;
    margin-bottom: calc(var(--space-unit) * 3);
}

.testimonial-source {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-top: calc(var(--space-unit) * 4);
}

/* ==========================================================================
   Future List (Step 4)
   ========================================================================== */

.future-list {
    list-style: none;
}

.future-list li {
    font-size: 0.9375rem;
    line-height: 2;
    padding: calc(var(--space-unit) * 3) 0;
    border-bottom: 1px solid var(--color-line);
}

.future-list li:first-child {
    padding-top: 0;
}

.future-list li:last-child {
    border-bottom: none;
}

/* ==========================================================================
   Kuni Section (Step 5)
   ========================================================================== */

.section-kuni-story {
    padding: calc(var(--space-unit) * 8) 0;
}

.kuni-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--space-unit) * 8);
    align-items: center;
}

.kuni-image {
    overflow: hidden;
}

.kuni-image img {
    width: 100%;
    height: auto;
    filter: grayscale(20%);
}

.kuni-text {
    padding: calc(var(--space-unit) * 2) 0;
}

/* SHINKA Meaning */
.section-shinka-meaning {
    background-color: var(--color-bg-accent);
    padding: calc(var(--space-unit) * 12) 0;
}

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

.shinka-block .body-text {
    text-align: center;
}

.shinka-words {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin: calc(var(--space-unit) * 4) 0;
}

/* ==========================================================================
   Program Section
   ========================================================================== */

.section-program {
    background-color: var(--color-white);
    text-align: center;
}

.program-desc {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-light);
}

.program-structure {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--space-unit) * 4);
    max-width: 900px;
    margin: 0 auto;
}

.structure-item {
    text-align: center;
    padding: calc(var(--space-unit) * 4);
    background-color: var(--color-white);
    border: 1px solid var(--color-line);
}

.structure-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto calc(var(--space-unit) * 3);
}

.structure-icon svg {
    width: 100%;
    height: 100%;
}

.structure-title {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    margin-bottom: calc(var(--space-unit) * 1);
}

.structure-detail {
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.06em;
    margin-bottom: calc(var(--space-unit) * 2);
}

.structure-desc {
    font-size: 0.8125rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.structure-note {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    opacity: 0.8;
    margin-top: calc(var(--space-unit) * 1);
}

.program-detail {
    display: flex;
    flex-direction: column;
    gap: calc(var(--space-unit) * 3);
    padding: calc(var(--space-unit) * 4);
    background-color: var(--color-bg-alt);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-bottom: calc(var(--space-unit) * 3);
    border-bottom: 1px solid var(--color-line);
}

.detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-item dt {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
}

.detail-item dd {
    font-size: 1rem;
    font-weight: 500;
}

.program-note {
    margin-top: calc(var(--space-unit) * 4);
    text-align: center;
}

.detail-link {
    font-size: 0.875rem;
    color: var(--color-accent);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: opacity 0.3s ease;
}

.detail-link:hover {
    opacity: 0.7;
}

/* ==========================================================================
   Session Info
   ========================================================================== */

.session-info {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: calc(var(--space-unit) * 6);
    margin-top: calc(var(--space-unit) * 4);
    flex-wrap: wrap;
}

.session-info li {
    font-size: 0.875rem;
    color: var(--color-text-light);
    letter-spacing: 0.06em;
    position: relative;
    padding-left: calc(var(--space-unit) * 2);
}

.session-info li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.section-cta {
    background-color: var(--color-text);
    color: var(--color-white);
    text-align: center;
    padding: calc(var(--space-unit) * 16) 0;
}

.cta-lead {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    margin-bottom: calc(var(--space-unit) * 5);
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    font-size: 0.9375rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-text);
    background-color: var(--color-white);
    text-decoration: none;
    padding: calc(var(--space-unit) * 2.5) calc(var(--space-unit) * 6);
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.section-faq {
    background-color: var(--color-bg-alt);
    padding: calc(var(--space-unit) * 12) 0;
}

.faq-title {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
    margin-bottom: calc(var(--space-unit) * 5);
    text-transform: uppercase;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--space-unit) * 4);
}

.faq-item {
    padding-bottom: calc(var(--space-unit) * 4);
    border-bottom: 1px solid var(--color-line);
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-item dt {
    font-size: 0.9375rem;
    font-weight: 400;
    margin-bottom: calc(var(--space-unit) * 1.5);
}

.faq-item dd {
    font-size: 0.875rem;
    line-height: 2;
    color: var(--color-text-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: calc(var(--space-unit) * 8) 0;
    text-align: center;
    background-color: var(--color-bg);
}

.footer-logo {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: calc(var(--space-unit) * 2);
}

.footer-copy {
    font-size: 0.6875rem;
    color: var(--color-text-light);
    letter-spacing: 0.06em;
}

/* ==========================================================================
   Animations
   ========================================================================== */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
    .figure-layout,
    .figure-layout-reverse {
        grid-template-columns: 1fr;
        gap: calc(var(--space-unit) * 5);
    }
    
    .figure-layout-reverse .figure-visual {
        order: 0;
    }
    
    .kuni-layout {
        grid-template-columns: 1fr;
        gap: calc(var(--space-unit) * 5);
    }
    
    .program-structure {
        grid-template-columns: 1fr;
    }
    
    .fv-background {
        width: 100%;
        opacity: 0.3;
    }
    
    .fv-background::after {
        background: linear-gradient(to bottom, var(--color-bg) 0%, rgba(250, 250, 248, 0.5) 50%, var(--color-bg) 100%);
    }
    
    .fv-content {
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: calc(var(--space-unit) * 10);
    }
    
    .fv-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .body-text {
        font-size: 0.875rem;
    }
    
    .body-text-lead {
        font-size: 1.125rem;
    }
    
    .header-cta {
        font-size: 0.6875rem;
        padding: calc(var(--space-unit) * 0.75) calc(var(--space-unit) * 1.5);
    }
    
    .session-info {
        flex-direction: column;
        align-items: center;
        gap: calc(var(--space-unit) * 2);
    }
    
    .detail-item {
        flex-direction: column;
        gap: calc(var(--space-unit) * 1);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 calc(var(--space-unit) * 3);
    }
    
    .fv-title {
        font-size: 1.5rem;
    }
    
    .fv-catch {
        font-size: 1rem;
    }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
    .header,
    .fv-cta,
    .cta-button,
    .header-cta {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .section-fv {
        min-height: auto;
    }
    
    .fv-background {
        display: none;
    }
}

/* ==========================================================================
   Program Detail Page
   ========================================================================== */

.section-page-header {
    padding-top: calc(var(--space-unit) * 20);
    padding-bottom: calc(var(--space-unit) * 8);
    background-color: var(--color-bg);
}

.page-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-text);
}

.detail-section-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-bottom: calc(var(--space-unit) * 4);
    color: var(--color-text);
}

/* SHINKA Meanings */
.shinka-meanings {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--space-unit) * 3);
}

.shinka-meaning-item {
    text-align: center;
    padding: calc(var(--space-unit) * 4) calc(var(--space-unit) * 2);
    background-color: var(--color-bg-alt);
}

.shinka-kanji {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-accent);
    margin-bottom: calc(var(--space-unit) * 1.5);
}

.shinka-desc {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* Structure Detail Cards */
.section-structure-detail {
    padding-top: 0;
}

.structure-detail-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-line);
    padding: calc(var(--space-unit) * 5);
    margin-bottom: calc(var(--space-unit) * 4);
}

.structure-detail-card:last-child {
    margin-bottom: 0;
}

.structure-detail-header {
    display: flex;
    align-items: center;
    gap: calc(var(--space-unit) * 3);
    margin-bottom: calc(var(--space-unit) * 4);
    padding-bottom: calc(var(--space-unit) * 4);
    border-bottom: 1px solid var(--color-line);
}

.structure-detail-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.structure-detail-icon svg {
    width: 100%;
    height: 100%;
}

.structure-detail-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: calc(var(--space-unit) * 0.5);
}

.structure-detail-time {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
}

.structure-detail-lead {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: calc(var(--space-unit) * 3);
}

.structure-detail-list {
    list-style: none;
    padding: 0;
    margin: 0 0 calc(var(--space-unit) * 3) 0;
}

.structure-detail-list li {
    position: relative;
    padding-left: calc(var(--space-unit) * 2.5);
    font-size: 0.875rem;
    line-height: 2;
    color: var(--color-text-light);
}

.structure-detail-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.9em;
    width: 6px;
    height: 1px;
    background-color: var(--color-accent);
}

.structure-detail-note {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    opacity: 0.8;
}

/* Pricing Section */
.section-pricing {
    background-color: var(--color-bg-alt);
}

.pricing-card {
    background-color: var(--color-white);
    padding: calc(var(--space-unit) * 5);
}

.pricing-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--space-unit) * 3);
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-bottom: calc(var(--space-unit) * 3);
    border-bottom: 1px solid var(--color-line);
}

.pricing-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.pricing-item dt {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.pricing-item dd {
    font-size: 0.9375rem;
    color: var(--color-text);
}

.pricing-item-price dd {
    font-family: var(--font-serif);
}

.price-amount {
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-accent);
}

.price-unit {
    font-size: 1rem;
    color: var(--color-text);
    margin-left: 2px;
}

.price-tax {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-left: calc(var(--space-unit) * 1);
}

/* Included List */
.included-list {
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: var(--color-bg-alt);
    padding: calc(var(--space-unit) * 4);
}

.included-list li {
    position: relative;
    padding-left: calc(var(--space-unit) * 4);
    font-size: 0.9375rem;
    line-height: 2.2;
    color: var(--color-text);
}

.included-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 500;
}

/* For Whom Section */
.section-for-whom {
    background-color: var(--color-bg-alt);
}

.for-whom-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.for-whom-list li {
    position: relative;
    padding-left: calc(var(--space-unit) * 3);
    font-size: 0.9375rem;
    line-height: 2.2;
    color: var(--color-text);
}

.for-whom-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.9em;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    opacity: 0.6;
}

/* Not For List */
.not-for-list {
    list-style: none;
    padding: 0;
    margin: 0 0 calc(var(--space-unit) * 4) 0;
}

.not-for-list li {
    position: relative;
    padding-left: calc(var(--space-unit) * 3);
    font-size: 0.9375rem;
    line-height: 2.2;
    color: var(--color-text-light);
}

.not-for-list li::before {
    content: "×";
    position: absolute;
    left: 0;
    color: var(--color-text-light);
    opacity: 0.5;
}

.not-for-note {
    padding-left: calc(var(--space-unit) * 3);
    border-left: 2px solid var(--color-line);
}

/* Flow Section */
.flow-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: flow-counter;
}

.flow-list li {
    display: flex;
    gap: calc(var(--space-unit) * 3);
    padding-bottom: calc(var(--space-unit) * 4);
    margin-bottom: calc(var(--space-unit) * 4);
    border-bottom: 1px solid var(--color-line);
}

.flow-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.flow-step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 50%;
    flex-shrink: 0;
}

.flow-content h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: calc(var(--space-unit) * 1);
    color: var(--color-text);
}

.flow-content p {
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* CTA Box */
.cta-box {
    text-align: center;
    padding: calc(var(--space-unit) * 8) calc(var(--space-unit) * 4);
    background-color: var(--color-bg-alt);
}

.cta-lead {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.8;
    margin-bottom: calc(var(--space-unit) * 3);
    color: var(--color-text);
}

.cta-note {
    font-size: 0.875rem;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: calc(var(--space-unit) * 5);
}

.btn-cta {
    display: inline-block;
    padding: calc(var(--space-unit) * 2) calc(var(--space-unit) * 5);
    background-color: var(--color-accent);
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    transition: background-color 0.3s ease;
}

.btn-cta:hover {
    background-color: #7a6548;
}

/* Program Detail Page Responsive */
@media (max-width: 768px) {
    .shinka-meanings {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .structure-detail-header {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--space-unit) * 2);
    }
    
    .structure-detail-icon {
        width: 48px;
        height: 48px;
    }
    
    .pricing-item {
        flex-direction: column;
        gap: calc(var(--space-unit) * 1);
    }
    
    .cta-lead {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .shinka-meanings {
        grid-template-columns: 1fr 1fr;
        gap: calc(var(--space-unit) * 2);
    }
    
    .shinka-kanji {
        font-size: 1.25rem;
    }
    
    .flow-list li {
        flex-direction: column;
        gap: calc(var(--space-unit) * 2);
    }
}