/* ==========================================
   EXP立川 LP v3 - Refined Warmth
   完全独立・既存style.css非依存
========================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.8;
    color: #2C2A26;
    background: #FCFBF8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

ul, ol {
    list-style: none;
}

blockquote {
    margin: 0;
}

/* ==========================================
   Tokens
========================================== */
:root {
    --bg:           #FCFBF8;
    --surface:      #FFFFFF;
    --surface-alt:  #F5F1E8;
    --surface-dark: #1F1D1A;
    
    --primary:      #2C2A26;
    --accent:       #C8954A;
    --accent-deep:  #A67635;
    --accent-soft:  #F0E4CE;
    --sub:          #1F3A3D;
    --sub-soft:     #E3ECEC;
    
    --text:         #2C2A26;
    --text-muted:   #6B6862;
    --text-light:   #9B9892;
    --text-on-dark: #FCFBF8;
    --text-on-dark-muted: #B8B3AA;
    
    --border:       #EDE8DD;
    --border-strong:#D6CFBE;
    --border-on-dark: #3A3631;
    
    --shadow-sm: 0 1px 2px rgba(44, 42, 38, 0.04);
    --shadow-md: 0 4px 16px rgba(44, 42, 38, 0.06);
    --shadow-lg: 0 12px 40px rgba(44, 42, 38, 0.08);
    --shadow-xl: 0 24px 60px rgba(44, 42, 38, 0.10);
    
    --serif: 'Shippori Mincho B1', 'Noto Serif JP', serif;
    --sans:  'Noto Sans JP', sans-serif;
    --en:    'Manrope', 'Inter', sans-serif;
    
    --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
    --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
    
    --header-h: 72px;
    --container-max: 1280px;
    --container-narrow: 880px;
}

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

/* ==========================================
   Container
========================================== */
.v3-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.v3-container--narrow {
    max-width: var(--container-narrow);
}

@media (max-width: 768px) {
    .v3-container { padding: 0 1.5rem; }
}

/* ==========================================
   Section base
========================================== */
.v3-section {
    padding: 8rem 0;
    position: relative;
}

.v3-section--dark {
    background: var(--surface-dark);
    color: var(--text-on-dark);
}

@media (max-width: 768px) {
    .v3-section { padding: 5rem 0; }
}

/* Section head */
.v3-section__head {
    margin-bottom: 5rem;
}

.v3-section__head--center {
    text-align: center;
}

.v3-section__label {
    display: inline-block;
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.v3-section__head--on-dark .v3-section__label {
    color: var(--accent-soft);
}

.v3-section__title {
    font-family: var(--serif);
    font-size: clamp(1.875rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.01em;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.v3-section__head--on-dark .v3-section__title {
    color: var(--text-on-dark);
}

.v3-section__title em {
    font-style: normal;
    color: var(--accent-deep);
}

.v3-section__head--on-dark .v3-section__title em {
    color: var(--accent);
}

.v3-section__lead {
    font-size: 1.0625rem;
    line-height: 2;
    color: var(--text-muted);
    max-width: 680px;
}

.v3-section__head--center .v3-section__lead {
    margin-left: auto;
    margin-right: auto;
}

.v3-section__head--on-dark .v3-section__lead {
    color: var(--text-on-dark-muted);
}

.v3-section__lead em {
    font-style: normal;
    color: var(--primary);
    font-weight: 500;
}

.v3-section__head--on-dark .v3-section__lead em {
    color: var(--text-on-dark);
}

@media (max-width: 768px) {
    .v3-section__head { margin-bottom: 3rem; }
}

/* ==========================================
   Header
========================================== */
.v3-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-h);
    background: rgba(252, 251, 248, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 100;
    transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.v3-header.is-scrolled {
    border-bottom-color: var(--border);
    background: rgba(252, 251, 248, 0.95);
}

.v3-header__inner {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.v3-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 100%;
}

.v3-header__logo img {
    height: 36px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
}

.v3-nav {
    flex: 1;
}

.v3-nav__list {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: nowrap;
}

.v3-nav__list a {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text);
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s var(--ease-out);
    white-space: nowrap;
}

.v3-nav__list a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.4s var(--ease-out);
}

.v3-nav__list a:hover {
    color: var(--accent-deep);
}

.v3-nav__list a:hover::after {
    width: 100%;
}

.v3-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--primary);
    color: var(--text-on-dark);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: 999px;
    transition: all 0.3s var(--ease-out);
    flex-shrink: 0;
}

.v3-cta-btn:hover {
    background: var(--accent-deep);
    transform: translateY(-1px);
}

.v3-cta-btn svg {
    transition: transform 0.3s var(--ease-out);
}

.v3-cta-btn:hover svg {
    transform: translateX(3px);
}

.v3-hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 28px;
    padding: 4px;
}

.v3-hamburger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--primary);
    transition: all 0.3s var(--ease-out);
}

.v3-hamburger.is-open span:first-child {
    transform: translateY(4px) rotate(45deg);
}
.v3-hamburger.is-open span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

@media (max-width: 960px) {
    .v3-nav {
        position: fixed;
        top: var(--header-h);
        right: -100%;
        width: 100%;
        max-width: 360px;
        height: calc(100vh - var(--header-h));
        background: var(--bg);
        padding: 3rem 2rem;
        transition: right 0.4s var(--ease-out);
        border-left: 1px solid var(--border);
    }
    .v3-nav.is-open {
        right: 0;
    }
    .v3-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    .v3-nav__list a {
        font-size: 1.125rem;
    }
    .v3-hamburger { display: flex; margin-left: auto; }
    .v3-cta-btn {
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .v3-header__inner {
        padding: 0 1.25rem;
        gap: 1rem;
    }
    .v3-cta-btn span { display: none; }
    .v3-cta-btn { padding: 0.5rem; }
}

/* ==========================================
   Hero
========================================== */
.v3-hero {
    position: relative;
    min-height: 100vh;
    padding-top: calc(var(--header-h) + 4rem);
    padding-bottom: 6rem;
    background: var(--bg);
    overflow: hidden;
}

.v3-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(to right, rgba(44, 42, 38, 0.025) 1px, transparent 1px);
    background-size: 80px 100%;
    pointer-events: none;
}

.v3-hero__container {
    position: relative;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 5rem;
    align-items: center;
    z-index: 1;
}

/* Eyebrow */
.v3-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: v3FadeUp 0.8s var(--ease-out) 0.1s forwards;
}

.v3-eyebrow__num {
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
}

.v3-eyebrow__line {
    width: 32px;
    height: 1px;
    background: var(--border-strong);
}

.v3-eyebrow__text {
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Title */
.v3-hero__title {
    font-family: var(--serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: -0.01em;
    color: var(--primary);
    margin-bottom: 1.75rem;
    opacity: 0;
    animation: v3FadeUp 1s var(--ease-out) 0.25s forwards;
}

.v3-hero__title em {
    font-style: normal;
    color: var(--accent-deep);
    display: inline-block;
}

/* Divider */
.v3-divider {
    width: 48px;
    height: 2px;
    background: var(--accent);
    margin-bottom: 2rem;
    opacity: 0;
    transform-origin: left center;
    animation: v3LineIn 0.8s var(--ease-out) 0.5s forwards;
}
/* Hero Signature */
.v3-hero__signature {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: v3FadeUp 1s var(--ease-out) 0.5s forwards;
}

.v3-hero__signature-line {
    width: 48px;
    height: 2px;
    background: var(--accent);
    flex-shrink: 0;
}

.v3-hero__signature-text {
    font-family: var(--serif);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.v3-hero__signature-text strong {
    font-weight: 700;
    color: var(--primary);
    margin-left: 0.25em;
    letter-spacing: 0.02em;
}

@media (max-width: 768px) {
    .v3-hero__signature {
        gap: 0.75rem;
    }
    .v3-hero__signature-line {
        width: 32px;
    }
    .v3-hero__signature-text {
        font-size: 0.875rem;
    }
}
/* Lead */
.v3-hero__lead {
    font-size: 1.0625rem;
    line-height: 2;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 540px;
    opacity: 0;
    animation: v3FadeUp 1s var(--ease-out) 0.5s forwards;
}

/* Actions */
.v3-hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    opacity: 0;
    animation: v3FadeUp 1s var(--ease-out) 0.7s forwards;
}

.v3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    font-family: var(--sans);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.v3-btn--primary {
    background: var(--primary);
    color: var(--text-on-dark);
}

.v3-btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-deep);
    transform: translateX(-100%);
    transition: transform 0.5s var(--ease-out);
    z-index: 0;
}

.v3-btn--primary:hover::before {
    transform: translateX(0);
}

.v3-btn--primary span,
.v3-btn--primary svg {
    position: relative;
    z-index: 1;
}

.v3-btn--primary svg {
    transition: transform 0.3s var(--ease-out);
}

.v3-btn--primary:hover svg {
    transform: translateX(4px);
}

.v3-btn--ghost {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--border-strong);
}

.v3-btn--ghost:hover {
    background: var(--primary);
    color: var(--text-on-dark);
    border-color: var(--primary);
}

/* Meta */
.v3-hero__meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    opacity: 0;
    animation: v3FadeUp 1s var(--ease-out) 0.9s forwards;
}

.v3-hero__meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.v3-hero__meta-label {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    color: var(--text-light);
    text-transform: uppercase;
}

.v3-hero__meta-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: 0.02em;
}

.v3-hero__meta-divider {
    width: 1px;
    height: 28px;
    background: var(--border);
}

/* Visual */
.v3-hero__visual {
    position: relative;
    aspect-ratio: 4 / 5;
    opacity: 0;
    animation: v3FadeIn 1.4s var(--ease-out) 0.4s forwards;
}

.v3-hero__visual-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    z-index: 2;
}

.v3-hero__visual-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s var(--ease-out);
}

.v3-hero__visual-frame:hover .v3-hero__visual-img {
    transform: scale(1.04);
}

.v3-hero__visual-tag {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    background: rgba(252, 251, 248, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-md);
}

.v3-hero__visual-tag-en {
    font-family: var(--en);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
}

.v3-hero__visual-tag-jp {
    font-family: var(--serif);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.02em;
}

.v3-hero__visual-accent {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 240px;
    height: 240px;
    background: var(--accent-soft);
    border-radius: 50%;
    z-index: 1;
    opacity: 0.5;
}

.v3-hero__visual-accent::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -80px;
    width: 160px;
    height: 160px;
    background: var(--sub-soft);
    border-radius: 50%;
    opacity: 0.7;
}

/* Scroll indicator */
.v3-hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    animation: v3FadeIn 1s var(--ease-out) 1.4s forwards;
}

.v3-hero__scroll-text {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    color: var(--text-light);
    writing-mode: vertical-rl;
    text-transform: uppercase;
}

.v3-hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--border-strong) 0%, transparent 100%);
    position: relative;
    overflow: hidden;
}

.v3-hero__scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: var(--accent);
    animation: v3ScrollDown 2s var(--ease-inout) infinite;
}

@media (max-width: 1024px) {
    .v3-hero__container { gap: 3rem; }
}

@media (max-width: 768px) {
    .v3-hero {
        padding-top: calc(var(--header-h) + 2rem);
        padding-bottom: 4rem;
        min-height: auto;
    }
    .v3-hero__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .v3-hero__visual {
        aspect-ratio: 4 / 3;
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }
    .v3-hero__visual-accent {
        width: 140px;
        height: 140px;
        top: -20px;
        right: -20px;
    }
    .v3-hero__visual-accent::after {
        width: 100px;
        height: 100px;
        bottom: -120px;
        left: -40px;
    }
    .v3-hero__actions {
        flex-direction: column;
        margin-bottom: 3rem;
    }
    .v3-btn { width: 100%; }
    .v3-hero__meta { gap: 1rem; }
    .v3-hero__meta-divider { display: none; }
    .v3-hero__scroll { display: none; }
}

/* ==========================================
   About
========================================== */
.v3-section--about {
    background: var(--bg);
}

.v3-about__layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: start;
    margin-bottom: 6rem;
}

.v3-about__visual {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.v3-about__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.v3-about__visual-badge {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background: var(--primary);
    color: var(--text-on-dark);
    padding: 0.875rem 1.25rem;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.v3-about__visual-badge-num {
    font-family: var(--en);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1;
}

.v3-about__visual-badge-text {
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    color: var(--accent-soft);
}

.v3-about__text {
    padding-top: 1rem;
}

.v3-about__lead {
    font-family: var(--serif);
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 700;
    line-height: 1.8;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.v3-about__body {
    font-size: 1rem;
    line-height: 2;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.v3-about__youtube-frame {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: #000;
}

.v3-about__youtube-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.v3-about__youtube-caption {
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--text-light);
    text-align: center;
    letter-spacing: 0.04em;
}

/* About cards */
.v3-about__cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.v3-about__card {
    background: var(--surface);
    padding: 2.5rem 2rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
}

.v3-about__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-soft);
}

.v3-about__card-num {
    display: block;
    font-family: var(--en);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
}

.v3-about__card-title {
    font-family: var(--serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: 0.01em;
}

.v3-about__card-text {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--text-muted);
}

/* About note */
.v3-about__note {
    background: var(--surface-alt);
    padding: 3rem;
    border-radius: 8px;
    border-left: 3px solid var(--accent);
}

.v3-about__note-list {
    display: grid;
    gap: 1.5rem;
}

.v3-about__note-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 2rem;
    align-items: start;
}

.v3-about__note-item dt {
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent-deep);
    text-transform: uppercase;
    padding-top: 0.25rem;
}

.v3-about__note-item dd {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--text);
}

@media (max-width: 960px) {
    .v3-about__layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .v3-about__visual {
        aspect-ratio: 4 / 3;
        max-width: 560px;
    }
    .v3-about__cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .v3-about__note { padding: 2rem 1.5rem; }
    .v3-about__note-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}

/* ==========================================
   Strengths
========================================== */
.v3-section--strengths {
    background: var(--surface-alt);
}

.v3-strength {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 7rem;
}

.v3-strength:last-child {
    margin-bottom: 0;
}

.v3-strength--reverse {
    grid-template-columns: 1.1fr 1fr;
}

.v3-strength--reverse .v3-strength__visual {
    order: 2;
}

.v3-strength__visual {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.v3-strength__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s var(--ease-out);
}

.v3-strength__visual:hover img {
    transform: scale(1.04);
}

.v3-strength__num {
    display: block;
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.v3-strength__num::before {
    content: '— ';
    color: var(--border-strong);
}

.v3-strength__title {
    font-family: var(--serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.5;
    color: var(--primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.v3-strength__title em {
    font-style: normal;
    color: var(--accent-deep);
}

.v3-strength__text {
    font-size: 1rem;
    line-height: 2;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.v3-strength__text strong {
    color: var(--primary);
    font-weight: 700;
}

.v3-strength__list {
    display: grid;
    gap: 0.875rem;
    margin-bottom: 1.5rem;
}

.v3-strength__list li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--text-muted);
}

.v3-strength__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 8px;
    height: 1px;
    background: var(--accent);
}

.v3-strength__list strong {
    color: var(--primary);
    font-weight: 700;
    margin-right: 0.5em;
    display: inline-block;
}

.v3-strength__note {
    font-size: 0.8125rem;
    color: var(--text-light);
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

/* Guidebook */
.v3-guidebook__sections {
    background: var(--surface);
    padding: 1.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

.v3-guidebook__sections h4 {
    font-family: var(--sans);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.v3-guidebook__list {
    display: grid;
    gap: 0.75rem;
    counter-reset: gb;
}

.v3-guidebook__list li {
    counter-increment: gb;
    position: relative;
    padding-left: 2.25rem;
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.v3-guidebook__list li::before {
    content: counter(gb, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.04em;
}

.v3-guidebook__list strong {
    color: var(--primary);
    font-weight: 700;
    margin-right: 0.5em;
    display: inline-block;
}

.v3-guidebook__preview {
    margin-top: 2rem;
}

.v3-guidebook__preview-title {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.v3-guidebook__covers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.v3-guidebook__cover {
    position: relative;
    aspect-ratio: 210 / 297;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    background: var(--surface);
    transition: all 0.4s var(--ease-out);
}

.v3-guidebook__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.v3-guidebook__cover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.v3-guidebook__cover:hover img {
    transform: scale(1.05);
}

.v3-guidebook__overlay {
    position: absolute;
    inset: 0;
    background: rgba(31, 29, 26, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
}

.v3-guidebook__cover:hover .v3-guidebook__overlay {
    opacity: 1;
}

.v3-guidebook__label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(31, 29, 26, 0.85) 0%, transparent 100%);
    color: white;
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 1.5rem 0.5rem 0.5rem;
    text-align: center;
    letter-spacing: 0.04em;
    pointer-events: none;
}

/* Expertise grid */
.v3-expertise {
    display: grid;
    gap: 1.5rem;
    margin-top: 1rem;
}

.v3-expertise__item {
    padding: 1.5rem;
    background: var(--surface);
    border-radius: 4px;
    border-left: 2px solid var(--accent);
}

.v3-expertise__label {
    display: block;
    font-family: var(--en);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.v3-expertise__item h5 {
    font-family: var(--serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.v3-expertise__item p {
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--text-muted);
}
/* Strength visual: media (photo + video) */
.v3-strength__visual--media {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 0.75rem;
    aspect-ratio: 4 / 5;
    background: transparent;
    box-shadow: none;
    overflow: visible;
}

.v3-strength__visual--media .v3-strength__visual-photo,
.v3-strength__visual--media .v3-strength__visual-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: block;
}

.v3-strength__visual--media .v3-strength__visual-video {
    background: #000;
}

@media (max-width: 960px) {
    .v3-strength__visual--media {
        grid-template-rows: auto auto;
        aspect-ratio: auto;
    }
    .v3-strength__visual--media .v3-strength__visual-photo,
    .v3-strength__visual--media .v3-strength__visual-video {
        aspect-ratio: 4 / 3;
    }
}

/* Tools (Strength 03) */
.v3-tools {
    display: grid;
    gap: 1.5rem;
    margin-top: 1rem;
    margin-bottom: 1.25rem;
}

.v3-tools__item {
    padding: 1.75rem;
    background: var(--surface);
    border-radius: 4px;
    border-left: 3px solid var(--accent);
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.v3-tools__item:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-md);
}

.v3-tools__label {
    display: inline-block;
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.v3-tools__item h5 {
    font-family: var(--serif);
    font-size: 1.1875rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
    letter-spacing: 0.01em;
    line-height: 1.5;
}

.v3-tools__item > p {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.v3-tools__features {
    display: grid;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.v3-tools__features li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--text);
}

.v3-tools__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 6px;
    height: 6px;
    border: 1px solid var(--accent);
    border-radius: 50%;
}

@media (max-width: 600px) {
    .v3-tools__item {
        padding: 1.5rem 1.25rem;
    }
}

@media (max-width: 960px) {
    .v3-strength,
    .v3-strength--reverse {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        margin-bottom: 5rem;
    }
    .v3-strength--reverse .v3-strength__visual {
        order: 0;
    }
    .v3-strength__visual {
        aspect-ratio: 4 / 3;
        max-width: 560px;
    }
}

@media (max-width: 600px) {
    .v3-guidebook__covers {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==========================================
   Staff
========================================== */
.v3-section--staff {
    padding: 8rem 0;
}

.v3-staff {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 5rem;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

.v3-staff__photo {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.v3-staff__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.v3-staff__photo-mark {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    background: var(--accent);
    color: var(--primary);
    padding: 0.75rem 1rem;
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    border-radius: 4px;
    line-height: 1.5;
}

.v3-staff__info {
    color: var(--text-on-dark);
}

.v3-staff__position {
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.v3-staff__name {
    font-family: var(--serif);
    font-size: clamp(1.875rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-on-dark);
    margin-bottom: 2.5rem;
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.v3-staff__name-en {
    display: block;
    font-family: var(--en);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--text-on-dark-muted);
    margin-top: 0.25rem;
}

.v3-staff__block {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-on-dark);
}

.v3-staff__block:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.v3-staff__block h4 {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.v3-staff__block p {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--text-on-dark-muted);
}

.v3-staff__block strong {
    color: var(--text-on-dark);
    font-weight: 700;
}

.v3-staff__quals {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.5rem;
}

.v3-staff__quals li {
    padding: 0.625rem 1rem;
    background: rgba(252, 251, 248, 0.05);
    border: 1px solid var(--border-on-dark);
    border-radius: 4px;
    font-size: 0.8125rem;
    color: var(--text-on-dark);
    text-align: center;
    letter-spacing: 0.02em;
}

.v3-staff__message {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(200, 149, 74, 0.08);
    border-left: 2px solid var(--accent);
    border-radius: 0 4px 4px 0;
}

.v3-staff__message p {
    font-family: var(--serif);
    font-size: 1rem;
    font-style: italic;
    line-height: 2;
    color: var(--text-on-dark);
}

@media (max-width: 960px) {
    .v3-staff {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .v3-staff__photo {
        max-width: 380px;
        margin: 0 auto;
    }
}

/* ==========================================
   Flow
========================================== */
.v3-section--flow {
    background: var(--bg);
}

.v3-flow {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2.5rem;
    counter-reset: flow;
}

.v3-flow__item {
    position: relative;
    padding: 2.5rem 2rem 2.5rem 2.5rem;
    background: var(--surface);
    border-radius: 4px;
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
}

.v3-flow__item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s var(--ease-out);
}

.v3-flow__item:hover {
    border-color: var(--accent-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.v3-flow__item:hover::before {
    transform: scaleY(1);
}

.v3-flow__step {
    display: inline-block;
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.875rem;
}

.v3-flow__item h3 {
    font-family: var(--serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.875rem;
    letter-spacing: 0.01em;
}

.v3-flow__item p {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .v3-flow {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .v3-flow__item {
        padding: 2rem 1.5rem 2rem 2rem;
    }
}

/* ==========================================
   Recommend
========================================== */
.v3-section--recommend {
    background: var(--surface-alt);
}

.v3-recommend {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.v3-recommend__card {
    padding: 3rem 2rem;
    background: var(--surface);
    border-radius: 4px;
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
}

.v3-recommend__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-soft);
}

.v3-recommend__label {
    display: block;
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.v3-recommend__card h3 {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.v3-recommend__card ul {
    display: grid;
    gap: 0.875rem;
}

.v3-recommend__card li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.v3-recommend__card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 8px;
    height: 8px;
    border: 1px solid var(--accent);
    border-radius: 50%;
}

@media (max-width: 960px) {
    .v3-recommend {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ==========================================
   FAQ
========================================== */
.v3-section--faq {
    background: var(--bg);
}

.v3-faq {
    display: grid;
    gap: 0.75rem;
}

.v3-faq__item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s var(--ease-out);
}

.v3-faq__item:hover {
    border-color: var(--border-strong);
}

.v3-faq__q {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 1.75rem;
    text-align: left;
    transition: background 0.3s var(--ease-out);
}

.v3-faq__q:hover {
    background: var(--surface-alt);
}

.v3-faq__q-mark {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary);
    font-family: var(--en);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 50%;
}

.v3-faq__q-text {
    flex: 1;
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.01em;
}

.v3-faq__q-icon {
    flex-shrink: 0;
    position: relative;
    width: 14px;
    height: 14px;
}

.v3-faq__q-icon::before,
.v3-faq__q-icon::after {
    content: '';
    position: absolute;
    background: var(--text-muted);
    transition: transform 0.3s var(--ease-out);
}

.v3-faq__q-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1.5px;
    transform: translateY(-50%);
}

.v3-faq__q-icon::after {
    left: 50%;
    top: 0;
    width: 1.5px;
    height: 100%;
    transform: translateX(-50%);
}

.v3-faq__q[aria-expanded="true"] .v3-faq__q-icon::after {
    transform: translateX(-50%) rotate(90deg);
}

.v3-faq__a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out);
}

.v3-faq__item.is-open .v3-faq__a {
    max-height: 500px;
}

.v3-faq__a p {
    padding: 0 1.75rem 1.75rem 4.75rem;
    font-size: 0.9375rem;
    line-height: 2;
    color: var(--text-muted);
}

@media (max-width: 600px) {
    .v3-faq__q { padding: 1.25rem 1.25rem; gap: 0.75rem; }
    .v3-faq__q-mark { width: 28px; height: 28px; font-size: 0.8125rem; }
    .v3-faq__q-text { font-size: 0.9375rem; }
    .v3-faq__a p { padding: 0 1.25rem 1.5rem 3.75rem; }
}

/* ==========================================
   Download
========================================== */
.v3-section--download {
    background: var(--surface-alt);
}

.v3-download {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 260px));
    gap: 1.5rem;
    margin-bottom: 3rem;
    justify-content: center;   /* ← 中央寄せの肝 */
}

@media (max-width: 960px) {
    .v3-download { grid-template-columns: repeat(2, minmax(0, 260px)); }
}

@media (max-width: 480px) {
    .v3-download { grid-template-columns: minmax(0, 320px); }
}

.v3-download__card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border-radius: 4px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.v3-download__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-soft);
}

.v3-download__thumb {
    aspect-ratio: 210 / 297;
    overflow: hidden;
    background: var(--surface-alt);
}

.v3-download__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.v3-download__card:hover .v3-download__thumb img {
    transform: scale(1.05);
}

.v3-download__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.v3-download__tag {
    display: inline-block;
    font-family: var(--en);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.v3-download__body h3 {
    font-family: var(--serif);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.v3-download__body p {
    font-size: 0.8125rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 1rem;
    flex: 1;
}

.v3-download__meta {
    font-family: var(--en);
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    color: var(--text-light);
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.v3-download__action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--en);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--primary);
    transition: color 0.3s var(--ease-out);
}

.v3-download__card:hover .v3-download__action {
    color: var(--accent-deep);
}

.v3-download__card:hover .v3-download__action svg {
    transform: translateY(2px);
}

.v3-download__action svg {
    transition: transform 0.3s var(--ease-out);
}

.v3-download__note {
    font-size: 0.8125rem;
    color: var(--text-light);
    text-align: center;
    line-height: 1.8;
}

@media (max-width: 960px) {
    .v3-download { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .v3-download { grid-template-columns: 1fr; }
}

/* ==========================================
   Contact
========================================== */
.v3-section--contact {
    padding: 8rem 0;
}

.v3-contact {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: auto 1fr;
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.v3-contact__main {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    background: rgba(252, 251, 248, 0.03);
    border: 1px solid var(--border-on-dark);
    padding: 2.5rem;
    border-radius: 8px;
}

.v3-contact__phone {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-on-dark);
    margin-bottom: 2rem;
    transition: opacity 0.3s var(--ease-out);
}

.v3-contact__phone:hover {
    opacity: 0.85;
}

.v3-contact__phone-label {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
}

.v3-contact__phone-num {
    font-family: var(--en);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    color: var(--text-on-dark);
    letter-spacing: -0.01em;
    line-height: 1;
}

.v3-contact__phone-time {
    font-size: 0.8125rem;
    color: var(--text-on-dark-muted);
    letter-spacing: 0.04em;
}

.v3-contact__sub {
    display: grid;
    gap: 0.875rem;
}

.v3-contact__sub-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1rem;
    align-items: center;
    padding: 0.75rem 1rem;
    background: rgba(252, 251, 248, 0.03);
    border-radius: 4px;
    transition: background 0.3s var(--ease-out);
}

.v3-contact__sub-item:hover {
    background: rgba(252, 251, 248, 0.06);
}

.v3-contact__sub-item span {
    font-family: var(--en);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
}

.v3-contact__sub-item strong {
    font-size: 0.9375rem;
    color: var(--text-on-dark);
    font-weight: 500;
    word-break: break-all;
}

.v3-contact__info {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    padding: 2.5rem;
    background: rgba(252, 251, 248, 0.03);
    border: 1px solid var(--border-on-dark);
    border-radius: 8px;
}

.v3-contact__list {
    display: grid;
    gap: 1.25rem;
}

.v3-contact__list-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-on-dark);
}

.v3-contact__list-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.v3-contact__list-item dt {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    padding-top: 0.25rem;
}

.v3-contact__list-item dd {
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--text-on-dark);
}

.v3-contact__list-item dd a {
    color: var(--accent-soft);
    transition: color 0.3s var(--ease-out);
    word-break: break-all;
}

.v3-contact__list-item dd a:hover {
    color: var(--accent);
}

.v3-contact__map {
    grid-column: 1 / 3;
    grid-row: 2 / 3;
    aspect-ratio: 21 / 9;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-on-dark);
}

.v3-contact__map iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(0.2) contrast(1.05);
}

@media (max-width: 960px) {
    .v3-contact {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    .v3-contact__main,
    .v3-contact__info,
    .v3-contact__map {
        grid-column: 1;
    }
    .v3-contact__main { grid-row: 1; }
    .v3-contact__info { grid-row: 2; padding: 2rem; }
    .v3-contact__map { grid-row: 3; aspect-ratio: 4 / 3; }
}

@media (max-width: 600px) {
    .v3-contact__main { padding: 2rem 1.5rem; }
    .v3-contact__list-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}

/* ==========================================
   Footer
========================================== */
.v3-footer {
    background: var(--surface-dark);
    color: var(--text-on-dark);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--border-on-dark);
}

.v3-footer__main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-on-dark);
}

.v3-footer__logo {
    height: 36px;
    width: auto;
    max-width: 140px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1) opacity(0.9);
}

.v3-footer__name {
    font-family: var(--serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-on-dark);
    margin-bottom: 0.5rem;
}

.v3-footer__corp {
    font-size: 0.8125rem;
    color: var(--text-on-dark-muted);
    margin-bottom: 1.5rem;
    letter-spacing: 0.04em;
}

.v3-footer__address {
    font-size: 0.8125rem;
    line-height: 1.8;
    color: var(--text-on-dark-muted);
}

.v3-footer__nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.v3-footer__nav-group h4 {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}

.v3-footer__nav-group ul {
    display: grid;
    gap: 0.625rem;
}

.v3-footer__nav-group a {
    font-size: 0.8125rem;
    color: var(--text-on-dark-muted);
    transition: color 0.3s var(--ease-out);
    letter-spacing: 0.02em;
}

.v3-footer__nav-group a:hover {
    color: var(--accent);
}

.v3-footer__bottom {
    padding-top: 2rem;
    text-align: center;
}

.v3-footer__bottom p {
    font-family: var(--en);
    font-size: 0.75rem;
    color: var(--text-on-dark-muted);
    letter-spacing: 0.08em;
}

@media (max-width: 768px) {
    .v3-footer { padding: 4rem 0 2rem; }
    .v3-footer__main {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* ==========================================
   Lightbox
========================================== */
.v3-lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
    padding: 2rem;
}

.v3-lightbox.is-open {
    display: flex;
    opacity: 1;
}

.v3-lightbox__overlay {
    position: absolute;
    inset: 0;
    background: rgba(31, 29, 26, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.v3-lightbox__inner {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.v3-lightbox__close {
    position: absolute;
    top: -3rem;
    right: 0;
    color: white;
    transition: transform 0.3s var(--ease-out);
}

.v3-lightbox__close:hover {
    transform: rotate(90deg);
}

.v3-lightbox img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 4px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.v3-lightbox__caption {
    font-family: var(--en);
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    color: white;
    text-transform: uppercase;
}

/* ==========================================
   Page top
========================================== */
.v3-pagetop {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--text-on-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out);
    z-index: 90;
    box-shadow: var(--shadow-lg);
}

.v3-pagetop.is-visible {
    opacity: 1;
    visibility: visible;
}

.v3-pagetop:hover {
    background: var(--accent-deep);
    transform: translateY(-4px);
}

@media (max-width: 600px) {
    .v3-pagetop {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 40px;
        height: 40px;
    }
}

/* ==========================================
   Animations
========================================== */
@keyframes v3FadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes v3FadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes v3LineIn {
    from { opacity: 0; transform: scaleX(0); }
    to   { opacity: 1; transform: scaleX(1); }
}

@keyframes v3DotIn {
    from { opacity: 0; transform: scale(0); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes v3ScrollDown {
    0%   { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}

/* Scroll-triggered fade in */
.v3-fade-in {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.v3-fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}
/* ==========================================
   Guidebook Benefits (新規)
========================================== */
.v3-guidebook__sections--benefits {
    padding: 2rem;
}

.v3-guidebook__benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.v3-guidebook__benefit {
    padding: 1.25rem;
    background: var(--surface-alt);
    border-radius: 4px;
    border-left: 2px solid var(--accent);
}

.v3-guidebook__benefit-num {
    display: block;
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.v3-guidebook__benefit h5 {
    font-family: var(--serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.v3-guidebook__benefit p {
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--text-muted);
}

@media (max-width: 600px) {
    .v3-guidebook__benefits {
        grid-template-columns: 1fr;
    }
}
/* ==========================================
   Schedule (新規)
========================================== */
.v3-section--schedule {
    background: var(--bg);
}

.v3-schedule__layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    grid-template-areas:
        "list visual"
        "note visual";
    grid-template-rows: auto auto;
    gap: 1.5rem 4rem;
    align-items: start;
}

.v3-schedule__list {
    grid-area: list;
    border-top: 1px solid var(--border);
}

.v3-schedule__item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1.5rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--border);
    align-items: baseline;
}

.v3-schedule__day {
    font-family: var(--en);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--accent);
    padding-top: 0.25rem;
}

.v3-schedule__content h3 {
    font-family: var(--serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

.v3-schedule__content p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.v3-schedule__note {
    grid-area: note;
    margin: 0;
    padding: 1rem 1.25rem;
    background: var(--accent-soft);
    border-left: 2px solid var(--accent);
    border-radius: 0 4px 4px 0;
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--accent-deep);
    letter-spacing: 0.02em;
}

.v3-schedule__visual {
    grid-area: visual;
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin: 0;
    background: var(--surface);
}

.v3-schedule__visual img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: 65% center;
    display: block;
}

.v3-schedule__visual figcaption {
    font-size: 0.8125rem;
    color: var(--text-light);
    text-align: center;
    padding: 0.875rem 1rem;
    background: var(--surface);
    border-top: 1px solid var(--border);
    letter-spacing: 0.04em;
}

@media (max-width: 960px) {
    .v3-schedule__layout {
        grid-template-columns: 1fr;
        grid-template-areas:
            "list"
            "note"
            "visual";
        grid-template-rows: auto;
        gap: 1.5rem;
    }
    .v3-schedule__visual {
        position: static;
        max-width: 560px;
        margin: 1rem auto 0;
        width: 100%;
    }
}

@media (max-width: 600px) {
    .v3-schedule__item {
        grid-template-columns: 80px 1fr;
        gap: 1rem;
        padding: 1.25rem 0;
    }
    .v3-schedule__day {
        font-size: 0.8125rem;
    }
}
/* ==========================================
   Case Study (新規)
========================================== */
.v3-section--case {
    background: var(--surface-alt);
}

.v3-case {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.v3-case__card {
    padding: 2.25rem 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all 0.4s var(--ease-out);
}

.v3-case__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-soft);
}

.v3-case__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.v3-case__avatar {
    width: 110px;
    height: 110px;
    margin: 0.5rem auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s var(--ease-out);
}

.v3-case__card:hover .v3-case__avatar {
    transform: scale(1.05);
}

.v3-case__avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.v3-case__num {
    font-family: var(--en);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--accent);
}

.v3-case__badge {
    font-size: 0.6875rem;
    padding: 0.3rem 0.75rem;
    background: var(--accent-soft);
    color: var(--accent-deep);
    border-radius: 999px;
    white-space: nowrap;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.v3-case__profile {
    font-family: var(--serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.v3-case__profile-sub {
    display: block;
    font-family: var(--sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 0.4rem;
    letter-spacing: 0.04em;
}

.v3-case__story dt {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.v3-case__story dt:not(:first-child) {
    margin-top: 1.25rem;
}

.v3-case__story dd {
    font-size: 0.875rem;
    line-height: 1.9;
    color: var(--text);
}

.v3-case__story dd strong {
    color: var(--accent-deep);
    font-weight: 700;
}

.v3-case__note {
    margin-top: 2.5rem;
    font-size: 0.8125rem;
    color: var(--text-light);
    text-align: center;
    letter-spacing: 0.04em;
}

@media (max-width: 960px) {
    .v3-case {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 600px) {
    .v3-case__card {
        padding: 1.75rem 1.5rem;
    }
    .v3-case__head {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}
/* Footer text brand (新規) */
.v3-footer__name--lead {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-on-dark);
    letter-spacing: 0.02em;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

/* ==========================================
   Selection
========================================== */
::selection {
    background: var(--accent);
    color: var(--primary);
}
/* ==========================================
   Strength 03 - Media (写真+動画+スクショ) 最終版
========================================== */

/* メディアエリア全体：3要素縦並び */
.v3-strength__visual.v3-strength__visual--media {
    display: grid !important;
    grid-template-rows: auto auto auto !important;
    gap: 1rem !important;
    aspect-ratio: auto !important;
    background: transparent !important;
    box-shadow: none !important;
    overflow: visible !important;
    border-radius: 0 !important;
    height: auto !important;
}

/* 各メディアカード共通 */
.v3-media-card {
    position: relative;
    margin: 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(44, 42, 38, 0.08);
    background: #1F1D1A;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
}

.v3-media-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(44, 42, 38, 0.12);
}

.v3-media-card img,
.v3-media-card video {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    transition: none !important;
    transform: none !important;
}

/* スクリーンショット用は contain（UIを切らない） */
.v3-media-card--screen img {
    object-fit: contain !important;
    background: #FCFBF8;
}

/* キャプション */
.v3-media-card figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: linear-gradient(to top, rgba(31, 29, 26, 0.92) 0%, rgba(31, 29, 26, 0.6) 60%, rgba(31, 29, 26, 0) 100%);
    color: #FCFBF8;
    pointer-events: none;
}

.v3-media-card__tag {
    font-family: 'Manrope', 'Inter', sans-serif;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: #C8954A;
    padding: 0.25rem 0.625rem;
    border: 1px solid rgba(200, 149, 74, 0.5);
    border-radius: 999px;
    background: rgba(31, 29, 26, 0.6);
    text-transform: uppercase;
    flex-shrink: 0;
}

.v3-media-card__caption {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: #FCFBF8;
}

/* 各カードのアスペクト比 */
.v3-media-card--photo {
    aspect-ratio: 4 / 3;
}

.v3-media-card--video {
    aspect-ratio: 16 / 9;
}

.v3-media-card--screen {
    aspect-ratio: 16 / 9;
}

/* ホバー時の拡大は無効化 */
.v3-media-card:hover img,
.v3-media-card:hover video {
    transform: none !important;
}

/* TOOL カード視認性向上 */
.v3-section--strengths .v3-tools__item {
    background: #FFFFFF !important;
    border: 1px solid #EDE8DD !important;
    border-left: 3px solid #C8954A !important;
}

@media (max-width: 600px) {
    .v3-media-card figcaption {
        padding: 0.625rem 0.875rem;
        gap: 0.5rem;
    }
    .v3-media-card__tag {
        font-size: 0.5625rem;
        padding: 0.2rem 0.5rem;
    }
    .v3-media-card__caption {
        font-size: 0.75rem;
    }
}
/* ==========================================
   Mobile / Tablet Optimization Patch (v3.1)
========================================== */

/* ─── Tablet (1024px以下) ─── */
@media (max-width: 1024px) {
    .v3-section { padding: 6rem 0; }
    .v3-section__head { margin-bottom: 4rem; }
    .v3-strength { gap: 3rem; margin-bottom: 5rem; }
}

/* ─── Tablet縦 / 大きめスマホ (768px以下) ─── */
@media (max-width: 768px) {
    /* ヒーロータイトル：3行で詰まらないよう調整 */
    .v3-hero__title {
        font-size: 1.875rem;
        line-height: 1.45;
        margin-bottom: 1.25rem;
    }
    .v3-hero__lead {
        font-size: 0.9375rem;
        line-height: 1.9;
        margin-bottom: 2rem;
    }
    .v3-hero__signature { margin-bottom: 1.5rem; }
    .v3-hero__actions { margin-bottom: 2.5rem; }
    .v3-hero__meta { gap: 0.875rem 1.25rem; }
    .v3-hero__meta-label { font-size: 0.625rem; }
    .v3-hero__meta-value { font-size: 0.8125rem; }

    /* セクション見出し */
    .v3-section__title { font-size: clamp(1.625rem, 5vw, 2.25rem); }
    .v3-section__lead { font-size: 0.9375rem; line-height: 1.9; }

    /* About カード余白圧縮 */
    .v3-about__card { padding: 2rem 1.5rem; }
    .v3-about__lead { font-size: 1.125rem; line-height: 1.8; }

    /* Strengths 全体の縦間隔を圧縮 */
    .v3-strength,
    .v3-strength--reverse {
        gap: 2rem;
        margin-bottom: 4rem;
    }
    .v3-strength__title {
        font-size: 1.5rem;
        line-height: 1.5;
        margin-bottom: 1.25rem;
    }
    .v3-strength__text {
        font-size: 0.9375rem;
        line-height: 1.9;
        margin-bottom: 1.5rem;
    }

    /* Strength 03 メディアカードを横長に圧縮 */
    .v3-media-card--photo,
    .v3-media-card--video,
    .v3-media-card--screen {
        aspect-ratio: 16 / 10;
    }
    .v3-strength__visual.v3-strength__visual--media { gap: 0.75rem; }

    /* Tools カード */
    .v3-tools__item {
        padding: 1.5rem 1.25rem;
    }
    .v3-tools__item h5 { font-size: 1.0625rem; }

    /* Case Study カードの中央寄せ調整 */
    .v3-case__head {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .v3-case__avatar {
        width: 90px;
        height: 90px;
        margin-bottom: 1rem;
    }
    .v3-case__profile { font-size: 1.125rem; }

    /* Staff 名前サイズ調整 */
    .v3-staff__name {
        font-size: 1.625rem;
        margin-bottom: 1.75rem;
    }
    .v3-staff__message { padding: 1.5rem 1.25rem; }
    .v3-staff__message p { font-size: 0.9375rem; line-height: 1.85; }

    /* Schedule */
    .v3-schedule__item { padding: 1.5rem 0; }
    .v3-schedule__content h3 { font-size: 1rem; }
    .v3-schedule__content p { font-size: 0.875rem; }

    /* Download カード余白 */
    .v3-download__body { padding: 1.25rem; }
    .v3-download__body h3 { font-size: 1rem; }
}

/* ─── スマホ標準 (600px以下) ─── */
@media (max-width: 600px) {
    .v3-section { padding: 4rem 0; }
    .v3-section__head { margin-bottom: 2.5rem; }

    /* お問い合わせ電話番号の幅オーバー対策 */
    .v3-contact__main { padding: 1.75rem 1.25rem; }
    .v3-contact__info { padding: 1.75rem 1.25rem; }
    .v3-contact__phone-num {
        font-size: 1.75rem;
        letter-spacing: 0;
    }
    .v3-contact__phone-label { font-size: 0.625rem; }
    .v3-contact__phone-time { font-size: 0.75rem; }
    .v3-contact__sub-item {
        grid-template-columns: 50px 1fr;
        gap: 0.75rem;
        padding: 0.625rem 0.875rem;
    }
    .v3-contact__sub-item strong { font-size: 0.875rem; }
}

/* ─── 小型スマホ (480px以下) ─── */
@media (max-width: 480px) {
    /* ヒーロー：ファーストビューに収まるよう更に圧縮 */
    .v3-hero {
        padding-top: calc(var(--header-h) + 1.5rem);
        padding-bottom: 3rem;
    }
    .v3-hero__container { padding: 0 1.25rem; gap: 2.5rem; }
    .v3-eyebrow { margin-bottom: 1.25rem; }
    .v3-eyebrow__text { font-size: 0.6875rem; letter-spacing: 0.12em; }
    .v3-hero__title {
        font-size: 1.625rem;
        line-height: 1.4;
        margin-bottom: 1rem;
    }
    .v3-hero__signature-text { font-size: 0.8125rem; }
    .v3-hero__lead { font-size: 0.875rem; line-height: 1.85; margin-bottom: 1.75rem; }
    .v3-btn { padding: 0.875rem 1.5rem; font-size: 0.875rem; }
    .v3-hero__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.875rem;
        padding-top: 1.25rem;
    }
    .v3-hero__meta-divider { display: none; }

    /* セクション見出し */
    .v3-section__title { font-size: 1.5rem; line-height: 1.45; }
    .v3-section__head { margin-bottom: 2rem; }

    /* ヘッダー：ロゴと CTA の窮屈さ解消 */
    .v3-header__logo img { height: 28px; max-width: 110px; }
    .v3-header__inner { padding: 0 1rem; gap: 0.75rem; }

    /* Strength 03 メディアカードを更にコンパクトに */
    .v3-media-card--photo,
    .v3-media-card--video,
    .v3-media-card--screen {
        aspect-ratio: 4 / 3;
    }

    /* Case Study：avatarも縮小 */
    .v3-case__avatar { width: 80px; height: 80px; }

    /* Staff 写真の縦長を緩和 */
    .v3-staff__photo {
        aspect-ratio: 4 / 4.5;
        max-width: 320px;
    }

    /* Footer 余白調整 */
    .v3-footer { padding: 3rem 0 1.5rem; }
    .v3-footer__main { gap: 2rem; padding-bottom: 2rem; }
    .v3-footer__nav { grid-template-columns: 1fr; gap: 1.5rem; }

    /* Page Top 位置調整（被り防止） */
    .v3-pagetop { bottom: 1rem; right: 1rem; }
}

/* ─── 極小スマホ (360px以下：iPhone SE初代など) ─── */
@media (max-width: 360px) {
    .v3-container { padding: 0 1rem; }
    .v3-hero__title { font-size: 1.5rem; }
    .v3-section__title { font-size: 1.375rem; }
    .v3-cta-btn { padding: 0.5rem 0.625rem; }
}

/* ─── タッチデバイス共通：hover無効化 ─── */
@media (hover: none) {
    .v3-strength__visual:hover img,
    .v3-hero__visual-frame:hover .v3-hero__visual-img,
    .v3-guidebook__cover:hover img,
    .v3-download__card:hover .v3-download__thumb img {
        transform: none;
    }
    .v3-case__card:hover,
    .v3-recommend__card:hover,
    .v3-flow__item:hover,
    .v3-download__card:hover,
    .v3-about__card:hover {
        transform: none;
    }
}

/* ─── 横向きスマホ対応（高さが狭い時のヒーロー圧縮） ─── */
@media (max-width: 900px) and (max-height: 500px) and (orientation: landscape) {
    .v3-hero { min-height: auto; padding-top: calc(var(--header-h) + 1rem); padding-bottom: 2rem; }
    .v3-hero__container { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .v3-hero__visual { display: none; }
    .v3-hero__scroll { display: none; }
}
/* ==========================================
   Video Service Section (独立セクション版)
========================================== */
.v3-section--video-service {
    background: var(--bg);
    position: relative;
}

/* セクション上下に薄いゴールドの装飾線 */
.v3-section--video-service::before,
.v3-section--video-service::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 1px;
    background: linear-gradient(to right, transparent 0%, var(--accent) 50%, transparent 100%);
}
.v3-section--video-service::before { top: 4rem; }
.v3-section--video-service::after { bottom: 4rem; }

.v3-section--video-service .v3-section__label {
    color: var(--accent-deep);
}

.v3-video-service__layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

/* 左：動画 */
.v3-video-service__main { width: 100%; }

.v3-video-service__frame {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #000;
    margin-bottom: 0.875rem;
}

.v3-video-service__frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.v3-video-service__caption {
    font-size: 0.8125rem;
    color: var(--text-light);
    text-align: center;
    letter-spacing: 0.04em;
}

/* 右：3つの活用シーン */
.v3-video-service__side {
    padding-top: 0.5rem;
}

.v3-video-service__uses-title {
    font-family: var(--en);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent-deep);
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.v3-video-service__uses-grid {
    display: grid;
    gap: 1rem;
}

.v3-video-service__use {
    padding: 1.25rem 1.25rem;
    background: var(--surface);
    border-radius: 4px;
    border-left: 3px solid var(--accent);
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.v3-video-service__use:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-md);
}

.v3-video-service__use-num {
    display: block;
    font-family: var(--en);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--accent);
    margin-bottom: 0.4rem;
}

.v3-video-service__use h5 {
    font-family: var(--serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.4rem;
    line-height: 1.5;
}

.v3-video-service__use p {
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--text-muted);
}

@media (max-width: 960px) {
    .v3-video-service__layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .v3-video-service__side { padding-top: 0; }
}

@media (max-width: 768px) {
    .v3-section--video-service::before { top: 2.5rem; }
    .v3-section--video-service::after { bottom: 2.5rem; }
    .v3-video-service__use { padding: 1rem; }
}
/* YouTube Lite Embed */
.v3-yt-lite {
    position: relative;
    cursor: pointer;
    background-color: #000;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
.v3-yt-lite::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,.3), transparent 30%, transparent 70%, rgba(0,0,0,.3));
}
.v3-yt-lite__btn {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    background: transparent;
    padding: 0;
    cursor: pointer;
    transition: filter 0.2s;
}
.v3-yt-lite__btn:hover { filter: brightness(1.2); }
.v3-yt-lite.is-loaded::before,
.v3-yt-lite.is-loaded .v3-yt-lite__btn { display: none; }