/* ===== 時宝舎 Design System ===== */
:root {
    --bg: #fafaf8;
    --bg-alt: #f3f2ef;
    --text: #1a1a1a;
    --text-2: #555;
    --text-3: #999;
    --border: rgba(0,0,0,0.07);
    --border-hover: rgba(0,0,0,0.15);
    --accent: #8b5cf6;
    --card-bg: rgba(255,255,255,0.7);
    --font: 'Noto Sans JP', 'Inter', system-ui, sans-serif;
    --font-serif: 'Noto Serif JP', 'Georgia', serif;
    --radius: 12px;
    --ease: cubic-bezier(.4,0,.2,1);
    --transition: .35s var(--ease);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--text); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

::selection { background: var(--accent); color: #fff; }

.serif { font-family: var(--font-serif); font-weight: 600; }

/* ===== Grain ===== */
.grain {
    position: fixed; inset: 0; z-index: 9999; pointer-events: none; opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 256px;
}

/* ===== Loader ===== */
.loader {
    position: fixed; inset: 0; z-index: 10000;
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
}

.loader-inner { text-align: center; }

.loader-kanji {
    display: flex; gap: 8px; justify-content: center;
    margin-bottom: 12px;
}

.kanji-char {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    display: inline-block;
    opacity: 0;
    transform: translateY(40px);
}

.loader-sub {
    font-size: 0.75rem;
    color: var(--text-3);
    letter-spacing: 0.15em;
    margin-bottom: 24px;
    opacity: 0;
}

.loader-line {
    width: 160px; height: 2px;
    background: var(--border);
    border-radius: 2px;
    margin: 0 auto;
    overflow: hidden;
}

.loader-fill {
    height: 100%; width: 0%;
    background: var(--text);
    border-radius: 2px;
}

/* ===== Container ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ===== Navigation ===== */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(250,250,248,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.nav-inner {
    max-width: 1100px; margin: 0 auto; padding: 0 28px;
    display: flex; align-items: center; justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; }

.logo-kanji {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.nav-links { display: flex; gap: 28px; }

.nav-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-2);
    padding: 4px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute; bottom: 0; left: 0;
    width: 0; height: 1.5px;
    background: var(--text);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 6px;
}

.nav-toggle span {
    display: block; width: 22px; height: 1.5px;
    background: var(--text); border-radius: 1px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex; flex-direction: column; justify-content: center;
    padding: 140px 28px 80px;
    max-width: 1100px; margin: 0 auto;
    position: relative;
}

.hero-inner { max-width: 680px; }

.hero-eyebrow {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 28px;
    font-size: 0.72rem;
    color: var(--text-3);
    letter-spacing: 0.1em;
    font-weight: 500;
}

.eyebrow-line {
    width: 32px; height: 1px;
    background: var(--text-3);
}

.hero-title {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero-line { display: block; }

.hero-desc {
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.9;
    max-width: 520px;
    margin-bottom: 36px;
}

.hero-cta { display: flex; gap: 12px; }

.hero-stats {
    display: grid; grid-template-columns: repeat(4, 1fr);
    margin-top: auto; padding-top: 72px;
    border-top: 1px solid var(--border);
}

.hero-stat {
    text-align: center; padding: 20px 0;
}

.hero-stat:not(:last-child) { border-right: 1px solid var(--border); }

.stat-num {
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.stat-unit {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-3);
    letter-spacing: 0.08em;
    margin-top: 4px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 13px 28px;
    font-size: 0.82rem; font-weight: 600;
    border-radius: 100px;
    border: none; cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    letter-spacing: 0.02em;
}

.btn-dark { background: var(--text); color: var(--bg); }
.btn-dark:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border-hover); }
.btn-outline:hover { background: rgba(0,0,0,0.03); border-color: var(--text); color: var(--text); }

.btn-full { width: 100%; }

/* ===== Sections ===== */
.section { padding: 120px 0; }
.section-alt { background: var(--bg-alt); }

.section-label {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 32px;
}

.label-num {
    font-size: 0.65rem; font-weight: 700;
    color: var(--text-3);
    font-variant-numeric: tabular-nums;
}

.label-text {
    font-size: 0.7rem; font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.12em;
}

.label-line {
    flex: 1; height: 1px;
    background: var(--border);
}

.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-desc {
    font-size: 0.92rem;
    color: var(--text-2);
    max-width: 500px;
    line-height: 1.9;
    margin-bottom: 48px;
}

/* ===== About ===== */
.about-layout {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 64px;
    padding-bottom: 64px;
    border-bottom: 1px solid var(--border);
}

.about-lead {
    font-size: 1.15rem;
    line-height: 1.8;
    font-weight: 400;
    margin-top: 16px;
}

.about-detail p {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.9;
    margin-bottom: 16px;
}

/* Info Table */
.info-table { display: flex; flex-direction: column; }

.info-row {
    display: grid; grid-template-columns: 160px 1fr;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
}

.info-row:first-child { border-top: 1px solid var(--border); }

.info-label {
    font-weight: 600;
    color: var(--text-2);
    font-size: 0.8rem;
    letter-spacing: 0.03em;
}

.info-value { color: var(--text); }

/* ===== Services ===== */
.service-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 48px;
    margin-bottom: 72px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    background: rgba(255,255,255,0.9);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.06);
}

.service-num {
    font-size: 2.5rem; font-weight: 900;
    color: var(--border);
    position: absolute; top: 16px; right: 20px;
}

.service-card h3 {
    font-size: 1.05rem; font-weight: 700;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.85rem;
    color: var(--text-2);
    line-height: 1.75;
}

/* Process */
.process { text-align: center; }

.process-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.process-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.process-step { text-align: center; }

.step-circle {
    display: inline-flex;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--text);
    color: var(--bg);
    font-size: 0.75rem; font-weight: 700;
    align-items: center; justify-content: center;
    margin-bottom: 8px;
}

.step-text {
    display: block;
    font-size: 0.75rem;
    color: var(--text-2);
    font-weight: 500;
}

.process-arrow {
    font-size: 1.2rem;
    color: var(--text-3);
    margin-top: -20px;
}

/* ===== Platforms ===== */
.platform-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
    margin-bottom: 64px;
}

.platform-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
}

.platform-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0,0,0,0.05);
    border-color: var(--border-hover);
}

.platform-name {
    font-size: 1.15rem; font-weight: 800;
    margin-bottom: 6px;
}

.platform-badge {
    font-size: 0.6rem; font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Marquee */
.marquee-wrap {
    overflow: hidden;
    margin-bottom: 64px;
    padding: 32px 0;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
    display: flex; gap: 20px;
    animation: marquee 25s linear infinite;
    white-space: nowrap;
    width: max-content;
    font-size: 1rem; font-weight: 700;
    color: var(--text-3);
    letter-spacing: 0.08em;
}

.marquee-track .dot { color: var(--accent); opacity: 0.5; }

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Regions */
.regions { text-align: center; }

.regions-title {
    font-size: 0.8rem; font-weight: 600;
    color: var(--text-3); letter-spacing: 0.1em;
    margin-bottom: 28px;
}

.region-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.region-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
}

.region-item h4 { font-size: 0.9rem; margin-bottom: 6px; }
.region-item p { font-size: 0.78rem; color: var(--text-2); }

/* ===== Team ===== */
.team-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-member {
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 20px;
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.06);
}

.member-photo {
    width: 100px; height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 16px;
    border: 2px solid var(--border);
    background: #fff;
}

.member-photo img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s var(--ease);
}

.team-member:hover .member-photo img { transform: scale(1.08); }

.team-member h4 {
    font-size: 1rem; font-weight: 700;
    margin-bottom: 4px;
}

.member-role {
    display: block;
    font-size: 0.65rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.team-member p {
    font-size: 0.78rem;
    color: var(--text-2);
    line-height: 1.7;
}

/* ===== Contact ===== */
.contact-layout {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-desc {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-info-list { display: flex; flex-direction: column; gap: 20px; }

.contact-info-item {
    display: flex; align-items: flex-start; gap: 14px;
    font-size: 0.88rem;
}

.info-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }

.contact-info-item strong {
    font-size: 0.7rem;
    color: var(--text-3);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-info-item a { color: var(--accent); }
.contact-info-item a:hover { color: var(--text); }

/* Form */
.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    backdrop-filter: blur(10px);
}

.form-field {
    position: relative;
    margin-bottom: 22px;
}

.form-field input,
.form-field textarea,
.form-field select {
    width: 100%;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.88rem;
    transition: var(--transition);
    outline: none;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(139,92,246,0.08);
}

.form-field label {
    position: absolute; top: 14px; left: 14px;
    color: var(--text-3);
    font-size: 0.82rem;
    transition: var(--transition);
    pointer-events: none;
}

.form-field input:focus + label,
.form-field input:not(:placeholder-shown) + label,
.form-field textarea:focus + label,
.form-field textarea:not(:placeholder-shown) + label {
    top: -9px; left: 10px;
    font-size: 0.62rem; font-weight: 600;
    color: var(--accent);
    background: var(--bg);
    padding: 0 5px;
}

.section-alt .form-field input:focus + label,
.section-alt .form-field input:not(:placeholder-shown) + label,
.section-alt .form-field textarea:focus + label,
.section-alt .form-field textarea:not(:placeholder-shown) + label {
    background: var(--bg-alt);
}

.form-field select + label {
    top: -9px; left: 10px;
    font-size: 0.62rem; font-weight: 600;
    color: var(--accent);
    background: var(--bg);
    padding: 0 5px;
}

.form-field select option { background: #fff; color: var(--text); }
.form-field textarea { resize: vertical; min-height: 90px; }

/* ===== Footer ===== */
.footer {
    padding: 36px 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left { display: flex; align-items: baseline; gap: 12px; }

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-sub {
    font-size: 0.7rem;
    color: var(--text-3);
}

.footer-social {
    display: flex; gap: 14px;
}

.footer-social a {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(0,0,0,0.04);
    color: var(--text-3);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--text);
    color: var(--bg);
    transform: translateY(-2px);
}

.footer-copy {
    font-size: 0.7rem;
    color: var(--text-3);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-layout { grid-template-columns: 1fr; gap: 32px; }
    .platform-grid { grid-template-columns: repeat(3, 1fr); }
    .region-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-stat:nth-child(2) { border-right: none; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed; inset: 0;
        background: rgba(250,250,248,0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center; justify-content: center;
        gap: 24px; z-index: 999;
    }
    .nav-links.open { display: flex; }
    .nav-link { font-size: 1.2rem; }
    .nav-toggle { display: flex; z-index: 1001; }

    .hero { padding: 110px 20px 60px; }
    .hero-title { font-size: 2rem; }
    .hero-cta { flex-direction: column; align-items: flex-start; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-stat { border-right: none !important; }

    .service-grid { grid-template-columns: 1fr; }
    .platform-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-layout { grid-template-columns: 1fr; }
    .info-row { grid-template-columns: 120px 1fr; }

    .process-flow { flex-wrap: wrap; gap: 12px; }
    .process-arrow { display: none; }
    .region-grid { grid-template-columns: 1fr; }

    .section { padding: 80px 0; }
    .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}