/* CSS Variables */
:root {
    --clr-bg:       #0a0a0a;
    --clr-surface:  #111111;
    --clr-surface2: #1a1a1a;
    --clr-border:   #2a2a2a;
    --clr-red:      #e63946;
    --clr-red-dark: #b02030;
    --clr-red-glow: rgba(230, 57, 70, 0.18);
    --clr-white:    #f0ece4;
    --clr-muted:    #888888;
    --clr-pixel:    #00ffcc;
    --ff-display:   'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W6', 'Noto Sans JP', sans-serif;
    --ff-body:      'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', 'Noto Sans JP', sans-serif;
    --fw-black:     900;
    --fw-bold:      700;
    --fw-regular:   400;
    --fs-075:       0.75rem;
    --fs-078:       0.78rem;
    --transition:   0.25s ease;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
    background-color: var(--clr-bg);
    color: var(--clr-white);
    font-family: var(--ff-body);
    font-size: 16px;
    line-height: 1.75;
    overflow-x: hidden;
}

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

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

/* Typography */
.section-eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--clr-red);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    line-height: 1.5;
    color: var(--clr-white);
}

.section-lead {
    color: var(--clr-muted);
    line-height: 1.85;
    max-width: 640px;
}

/* Utility */
.text-red { color: var(--clr-red) !important; }
.text-pixel { color: var(--clr-pixel) !important; }
.text-metawhite { color: var(--clr-white) !important; }
.text-metamuted { color: var(--clr-muted) !important; }
.bg-surface { background-color: var(--clr-surface); }
.bg-surface2 { background-color: var(--clr-surface2); }
.border-red { border-color: var(--clr-red) !important; }
.fs-075 { font-size: var(--fs-075); }
.fs-078 { font-size: var(--fs-078); }
.fw-b { font-weight: var(--fw-bold); }

.mail {
    color:var(--clr-red);
    text-decoration:underline;
    text-underline-offset:3px;
}

.section-pad {
    padding: 60px 0;
    overflow: hidden;
}
@media (min-width: 992px) {
    .section-pad { padding: 80px 0; }
}

/* Scanline overlay (hero only) */
.scanline-overlay {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0,0,0,0.08) 2px,
        rgba(0,0,0,0.08) 4px
    );
    pointer-events: none;
    z-index: 1;
}

/* NAVBAR */
#mainNav {
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--clr-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--transition);
}

#mainNav .navbar-brand {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.4rem;
    color: var(--clr-white);
    letter-spacing: 0.05em;
}

#mainNav .navbar-brand span { color: var(--clr-red); }

#mainNav .nav-link {
    color: var(--clr-muted);
    font-size: 0.85rem;
    font-weight: var(--fw-bold);
    letter-spacing: 0.06em;
    padding: 0.4rem 0.8rem !important;
    transition: color var(--transition);
}

#mainNav .nav-link:hover,
#mainNav .nav-link.active { color: var(--clr-white); }

#mainNav .nav-cta {
    background-color: var(--clr-red);
    color: var(--clr-white) !important;
    border-radius: 4px;
    padding: 0.4rem 1.1rem !important;
    transition: background var(--transition), transform var(--transition);
}

#mainNav .nav-cta:hover {
    background-color: var(--clr-red-dark);
    transform: translateY(-1px);
}

.navbar-toggler {
    border: 1px solid var(--clr-border);
    padding: 6px 10px;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(240,236,228,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-collapse {
    background-color: rgba(10,10,10,0.98);
}

@media (min-width: 992px) {
    .navbar-collapse { background: transparent; }
}

/* HERO */
#hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    background-color: var(--clr-bg);
    overflow: hidden;
    padding-top: 3.0em;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(230,57,70,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(230,57,70,0.06) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(230,57,70,0.12) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
    z-index: 0;
}

#hero .container { position: relative; z-index: 2; }

.hero-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--clr-red);
    border: 1px solid rgba(230,57,70,0.4);
    border-radius: 2px;
    padding: 4px 12px;
    margin-bottom: 1.5rem;
    margin-left: auto;
    margin-right: auto;
    width: fit-content;
}
@media (min-width: 992px) {
    .hero-label {
        margin-left: 0;
        margin-right: 0;
    }
}

.hero-label::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--clr-red);
    border-radius: 50%;
    animation: pulse-dot 1.4s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(0.6); }
}

.hero-headline {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: clamp(2.2rem, 5.5vw, 4.2rem);
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--clr-white);
    margin-bottom: 1.5rem;
    text-align: center;
}

.hero-headline em {
    font-style: normal;
    color: var(--clr-red);
    position: relative;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--clr-muted);
    max-width: 560px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    text-align: center;
}

@media (min-width: 992px) {
    .hero-headline {
        line-height: 1.25;
        text-align: left;
    }
    .hero-sub { text-align: left; }
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    /*gap: 10px;*/
    background-color: var(--clr-red);
    color: var(--clr-white);
    font-weight: var(--fw-bold);
    font-size: 1rem;
    padding: 1rem 2rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    letter-spacing: 0.04em;
}

.btn-hero-primary:hover {
    background-color: var(--clr-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(230,57,70,0.35);
    color: var(--clr-white);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--clr-muted);
    font-size: 0.9rem;
    font-weight: var(--fw-bold);
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    padding: 0.9rem 1.6rem;
    transition: color var(--transition), border-color var(--transition);
}

.btn-hero-secondary:hover {
    color: var(--clr-white);
    border-color: var(--clr-muted);
}

@media (max-width: 992px) {
    .btn-hero-primary, .btn-hero-secondary {
        display: block;
        width: 100%;
        text-align: center;
    }
}

.hero-stat-row {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--clr-border);
    justify-content: center;
}
@media (min-width: 992px) {
    .hero-stat-row { justify-content: start; }
}

.hero-stat-num {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 2rem;
    color: var(--clr-white);
    line-height: 1;
    text-align: center;
}

.hero-stat-num span {
    color: var(--clr-red);
    text-align: center;
}

.hero-stat-label {
    font-size: 0.78rem;
    color: var(--clr-muted);
    margin-top: 5px;
    letter-spacing: 0.04em;
}

.hero-pixel-frame {
    position: relative;
    border: 2px solid var(--clr-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--clr-surface);
}

.hero-pixel-frame::before {
    content: '';
    display: block;
    height: 28px;
    background: var(--clr-surface2);
    border-bottom: 1px solid var(--clr-border);
}

.hero-pixel-frame img {
    display: block;
    width: 100%;
}

.hero-pixel-screen {
    aspect-ratio:16/10;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    overflow: hidden;
}

.pixel-dots {
    position: absolute;
    top: 8px;
    left: 12px;
    display: flex;
    gap: 5px;
}

.pixel-dots span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: block;
}

.pixel-dots span.close { background:#e63946; }
.pixel-dots span.minimize { background:#f4a61d; }
.pixel-dots span.expansion { background:#2ecc71; }

/* SECTION: PROBLEM (あるある) */
.problem-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: border-color var(--transition);
}

.problem-card:hover { border-color: var(--clr-red); }

.problem-number {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 3rem;
    /*color: rgba(230,57,70,0.15);*/
    color: var(--clr-red);
    line-height: 1;
}

.stat-highlight {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: clamp(3.5rem, 8vw, 6rem);
    color: var(--clr-red);
    line-height: 1;
}

/* SECTION: CONCEPT (点と線) */
.concept-row {
    display: flex;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    overflow: hidden;
}

.concept-col {
    flex: 1;
    padding: 2rem 1.75rem;
}

.concept-col + .concept-col {
    border-left: 1px solid var(--clr-border);
}

.concept-col.active {
    background: var(--clr-red-glow);
    border-left-color: var(--clr-red);
}

.concept-col h3 {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.concept-col p { font-size: 0.9rem; color: var(--clr-muted); line-height: 1.75; }

/* SECTION: ROLE COMPARISON (3カラム) */
.role-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: border-color var(--transition), transform var(--transition);
    height: 100%;
}

.role-card:hover {
    border-color: var(--clr-red);
    transform: translateY(-4px);
}

.role-card.featured {
    border-color: var(--clr-red);
    background: linear-gradient(180deg, rgba(230,57,70,0.08) 0%, var(--clr-surface) 100%);
}

.role-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.role-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.12em;
    padding: 3px 10px;
    border-radius: 2px;
    margin-bottom: 0.75rem;
}

.role-card h3 {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.role-desc { font-size: 0.85rem; color: var(--clr-muted); }

.role-tags { margin-top: 1rem; }

.role-tag {
    display: inline-block;
    font-size: 0.78rem;
    color: var(--clr-muted);
    border: 1px solid var(--clr-border);
    border-radius: 2px;
    padding: 2px 8px;
    margin: 2px;
}

/* SECTION: FEATURES */
.feature-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--clr-border);
}

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

.feature-num {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.3rem;
    color: var(--clr-red);
    letter-spacing: 0.05em;
    white-space: nowrap;
    margin-top: -0.4em;
}

.feature-item h4 {
    font-family: var(--ff-display);
    font-weight: var(--fw-bold);
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
    color: var(--clr-white);
}

.feature-item p { font-size: 0.9rem; color: var(--clr-muted); margin: 0; }

/* SECTION: SPACES (部屋紹介) */
.space-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color var(--transition), transform var(--transition);
    height: 100%;
}

.space-card:hover {
    border-color: var(--clr-red);
    transform: translateY(-4px);
}

.space-card-img {
    width: auto;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-bottom: 1px solid var(--clr-border);
}

.space-card-body { padding: 1.25rem; }

.space-card h4 {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.space-card .space-tag {
    font-size: 0.7em;
    font-weight: var(--fw-bold);
    color: var(--clr-red);
    letter-spacing: 0.08em;
}

.space-card p { font-size: 0.85rem; color: var(--clr-muted); margin-top: 0.5rem; margin-bottom: 0; }

/* SECTION: MAYOR */
.mayor-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 2.5rem;
}

.mayor-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: var(--clr-surface2);
    border: 3px solid var(--clr-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.mayor-name {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.mayor-title {
    font-size: 0.85rem;
    color: var(--clr-muted);
}

.blockquote-mcity {
    border-left: 3px solid var(--clr-red);
    padding-left: 1.25rem;
    font-size: 1rem;
    color: var(--clr-white);
    line-height: 1.85;
    font-style: italic;
}

/* SECTION: FAQ */
.faq-item {
    border-bottom: 1px solid var(--clr-border);
}

.faq-item:first-child { border-top: 1px solid var(--clr-border); }

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--clr-white);
    font-family: var(--ff-display);
    font-weight: var(--fw-bold);
    font-size: 0.98rem;
    text-align: left;
    padding: 1.2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: color var(--transition);
}

.faq-question:hover { color: var(--clr-red); }

.faq-icon {
    font-size: 1.2rem;
    color: var(--clr-red);
    flex-shrink: 0;
    transition: transform var(--transition);
    font-style: normal;
}

.faq-answer {
    font-size: 0.9rem;
    color: var(--clr-muted);
    line-height: 1.8;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding-bottom: 0;
}

.faq-answer.open {
    max-height: 400px;
    padding-bottom: 1.25rem;
}

.faq-icon.open { transform: rotate(45deg); }

/* SECTION: CTA FINAL */
#cta {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0505 100%);
    border-top: 1px solid var(--clr-border);
    position: relative;
    overflow-x: hidden;
}

.cta-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(230,57,70,0.1) 0%, transparent 65%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    overflow: hidden;
}

.cta-headline {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    line-height: 1.3;
    color: var(--clr-white);
}

.cta-headline span { color: var(--clr-red); }

.free-badge {
    display: inline-block;
    background: var(--clr-red);
    color: var(--clr-white);
    font-weight: var(--fw-black);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    padding: 4px 14px;
    border-radius: 2px;
    margin-bottom: 1.25rem;
}

/* FOOTER */
footer {
    background: #050505;
    border-top: 1px solid var(--clr-border);
    padding: 2.5rem 0;
    font-size: 0.83rem;
    color: var(--clr-muted);
}

.footer-brand {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.2rem;
    color: var(--clr-white);
    letter-spacing: 0.05em;
}

.footer-brand span { color: var(--clr-red); }

.footer-link {
    color: var(--clr-muted);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--clr-border);
    transition: color var(--transition), text-decoration-color var(--transition);
    display: inline-block;
    padding: 0 10px;
}
.footer-link:hover {
    color: var(--clr-white);
    text-decoration-color: var(--clr-muted);
}

/* FLOATING — PC: 右サイドバー縦型 / SP: 下部バナー */

/* PC右フローティングバナー */
.float-sidebar {
    display: none;
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1040;
    flex-direction: column;
    gap: 0;
}

.float-sidebar-btn {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    background: var(--clr-red);
    color: var(--clr-white);
    font-family: var(--ff-display);
    font-weight: var(--fw-bold);
    letter-spacing: 0.2em;
    padding: 1.5rem 0.6rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: block;
    transition: background var(--transition);
    border-radius: 6px 0 0 6px;
    box-shadow: -4px 0 18px rgba(230,57,70,0.3);
}

.float-sidebar-btn:hover {
    background: var(--clr-red-dark);
    color: var(--clr-white);
}

/* PC右下 上に戻るボタン */
.back-to-top-pc {
    display: none;
    position: fixed;
    bottom: 32px;
    right: 20px;
    z-index: 1040;
    width: 48px;
    height: 48px;
    background: var(--clr-surface2);
    border: 1px solid var(--clr-border);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), opacity var(--transition);
    opacity: 0;
    pointer-events: none;
}

.back-to-top-pc svg { width: 18px; height: 18px; stroke: var(--clr-white); fill: none; }

.back-to-top-pc:hover {
    background: var(--clr-red);
    border-color: var(--clr-red);
}

.back-to-top-pc.visible {
    opacity: 1;
    pointer-events: auto;
}

/* SP下部フローティングバナー */
.float-bottom-sp {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background: rgba(10,10,10,0.96);
    border-top: 1px solid var(--clr-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 16px;
    align-items: center;
    gap: 10px;
}

.float-bottom-sp .sp-form-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--clr-red);
    color: var(--clr-white);
    font-family: var(--ff-display);
    font-weight: var(--fw-bold);
    font-size: 0.9rem;
    border: none;
    border-radius: 4px;
    padding: 0.75rem 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition);
}

.float-bottom-sp .sp-form-btn:hover { background: var(--clr-red-dark); }

.float-bottom-sp .sp-top-btn {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    background: var(--clr-surface2);
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--clr-white);
    transition: background var(--transition);
}

.float-bottom-sp .sp-top-btn:hover { background: var(--clr-surface); }
.float-bottom-sp .sp-top-btn svg { width: 18px; height: 18px; stroke: var(--clr-white); fill: none; }

/* 表示切り替え */
@media (min-width: 992px) {
    .float-sidebar { display: flex; }
    .back-to-top-pc { display: flex; }
    .float-bottom-sp { display: none !important; }
}

@media (max-width: 991.98px) {
    .float-sidebar { display: none !important; }
    .back-to-top-pc { display: none !important; }
    .float-bottom-sp { display: flex; }

    /* SPフローティング分の余白 */
    body { padding-bottom: 72px; }
}

/* ANIMATIONS */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}

.anim-fadeup {
    opacity: 0;
    animation: fadeInUp 0.7s ease forwards;
}

.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.25s; }
.anim-delay-3 { animation-delay: 0.4s; }
.anim-delay-4 { animation-delay: 0.55s; }

/* scroll-triggered (JS adds .in-view) */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

.reveal.concept { text-align: center; }
@media (min-width: 992px) {
    .reveal.concept { text-align: left; }
}

/* MISC */
.divider-red {
    width: 48px;
    height: 3px;
    background: var(--clr-red);
    border-radius: 2px;
    margin-bottom: 1.5rem;
}
.divider-red.concept {
    margin-left: auto;
    margin-right: auto;
}
@media (min-width: 992px) {
    .divider-red.concept {
        margin-left: 0;
        margin-right: 0;
    }
}

.pixel-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.12em;
    color: var(--clr-pixel);
    border: 1px solid rgba(0,255,204,0.3);
    border-radius: 2px;
    padding: 2px 10px;
}
.pixel-tag.center {
    display: flex;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

/* --- アイコンの設定 --- */

/* 1. アイコンの基本設定（あなたの独自クラス） */
.icon-svg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;   /* font-sizeに連動させるため1em */
    height: 1em;
    vertical-align: -0.125em; /* 本家の多くが採用している基準値。必要に応じて0.15emに。 */
    flex-shrink: 0;
    contain: layout; /* ブラウザの計算負荷を軽減 */
    aspect-ratio: 1 / 1; /* 正方形を維持 */
    min-height: 1em; /* 高さが計算されるまで「0」にならないようにする */
    line-height: 1; /* 0でも良いですが、1にすると文字との親和性が上がります */
    overflow: hidden; /* 中身がはみ出してレイアウトを壊すのを防ぐ */
}

.icon-svg svg {
    width: 100%;
    height: 100%;
    fill: currentColor; /* 文字色と同じ色にする */
    display: block;
}

/* 2. 本家互換：サイズ指定（必要な倍数だけ残してもOK） */
.is-1x { font-size: 1em; }
.is-2x { font-size: 2em; }
.is-3x { font-size: 3em; }
.is-4x { font-size: 4em; }
.is-5x { font-size: 5em; }
.is-6x { font-size: 6em; }
.is-7x { font-size: 7em; }
.is-8x { font-size: 8em; }
.is-9x { font-size: 9em; }
.is-10x { font-size: 10em; }
/* 6x以上を実際に使わないなら削除してOKです */

/* 3. 本家互換：微調整サイズ */
.is-2xs { font-size: .625em; line-height: .1em; vertical-align: .225em; }
.is-xs { font-size: .75em; line-height: .08333em; vertical-align: .125em; }
.is-sm { font-size: .875em; line-height: .07143em; vertical-align: .05357em; }
.is-lg { font-size: 1.25em; line-height: .05em; vertical-align: -.075em; }
.is-xl { font-size: 1.5em; line-height: .04167em; vertical-align: -.125em; }
.is-2xl { font-size: 2em; line-height: .03125em; vertical-align: -.1875em; }

/* 4. 固定幅（リスト等でアイコンの幅を揃えたい時用） */
.is-fw { text-align: center; width: 1.25em; }

/* BENEFIT CARD — Section 3 */
.ev-benefit-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-red);
    border-radius: 8px;
    padding: 2.5rem;
    background: linear-gradient(160deg, rgba(230,57,70,0.06) 0%, var(--clr-surface) 60%);
}

.ev-benefit-card.section-lead { max-width:100%; }

.ev-benefit-step {
    background: var(--clr-surface2);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
    height: 100%;
}

.ev-benefit-step.featured {
    border-color: var(--clr-red);
    background: rgba(230,57,70,0.08);
}

.ev-step-num {
    font-family: var(--ff-display);
    font-weight: var(--fw-black);
    font-size: 1.5rem;
    color: var(--clr-red);
    line-height: 1;
    margin-bottom: 6px;
}

.ev-step-label {
    font-weight: var(--fw-bold);
    font-size: 0.9rem;
    color: var(--clr-white);
    margin-bottom: 8px;
}

.ev-benefit-step p {
    font-size: 0.8rem;
    color: var(--clr-muted);
    line-height: 1.65;
    margin: 0;
}

@media (max-width: 575.98px) {
    .ev-benefit-card { padding: 1.5rem; }
}