:root {
    --blue: #008BD8;
    --blue-dark: #045a8d;
    --blue-light: #D1ECFA;
    --orange: #E98F00;
    --red: #E53935;
    --ink: #1a1a1a;
    --gray: #666;
    --line: #e5e5e5;
    --radius: 16px;
}

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

body {
    font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
    color: var(--ink);
    line-height: 1.7;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

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

h2 { font-size: 28px; font-weight: 900; text-align: center; }

.highlight { color: var(--red); }
.text-blue { color: var(--blue); }
.text-orange { color: var(--orange); }

/* ---------- proposal badge ---------- */
.proposal-badge {
    background: var(--ink);
    color: #fff;
    text-align: center;
    font-size: 12px;
    padding: 8px 16px;
    letter-spacing: .02em;
}
.proposal-badge i { margin-right: 6px; color: #ffd54f; }

/* ---------- header ---------- */
.top-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,.06);
    transition: padding .2s ease;
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
}
.top-nav.scrolled .nav-inner { padding: 8px 20px; }
.nav-brand img { height: 32px; width: auto; }
.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--orange);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 18px;
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 4px 10px rgba(233,143,0,.35);
    transition: transform .15s ease;
}
.nav-cta:hover { transform: translateY(-2px); }

/* ---------- hero (real text, no baked image) ---------- */
.hero-new {
    background: linear-gradient(160deg, #eaf7ff 0%, var(--blue-light) 100%);
    padding: 48px 20px 40px;
}
.hero-text { max-width: 760px; margin: 0 auto; text-align: center; }
.hero-eyebrow {
    display: inline-block;
    background: #fff;
    color: var(--blue);
    font-weight: 700;
    font-size: 13.5px;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.hero-text h1 { font-size: 34px; font-weight: 900; line-height: 1.45; margin-bottom: 16px; }
.hero-sub { font-size: 15px; color: #444; max-width: 560px; margin: 0 auto; }

.compare-row {
    max-width: 900px;
    margin: 36px auto 0;
    display: grid;
    grid-template-columns: 1fr 1.3fr 1fr;
    gap: 16px;
    align-items: center;
}
.compare-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px 14px;
    text-align: center;
    box-shadow: 0 4px 14px rgba(0,0,0,.06);
}
.compare-card i { font-size: 34px; color: #9fb8c8; margin-bottom: 10px; }
.compare-card h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 6px; }
.compare-card p { font-size: 12.5px; color: var(--gray); }
.compare-card.highlight {
    background: var(--blue);
    color: #fff;
    padding: 30px 16px;
    position: relative;
    transform: scale(1.08);
    box-shadow: 0 10px 28px rgba(0,139,216,.35);
}
.compare-card.highlight i { color: #fff; font-size: 40px; }
.compare-card.highlight h4 { font-size: 16px; margin-top: 4px; }
.compare-badge {
    position: absolute;
    top: -16px; left: 50%;
    transform: translateX(-50%);
    background: #fff100;
    color: var(--blue-dark);
    font-size: 11.5px;
    font-weight: 700;
    line-height: 1.3;
    padding: 6px 12px;
    border-radius: 10px;
    white-space: nowrap;
}
.compare-pills { display: flex; gap: 8px; justify-content: center; margin-top: 10px; }
.pill { font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.pill-blue { background: #fff; color: var(--blue); }
.pill-dark { background: #1a1a1a; color: #fff; }

/* ---------- video section ---------- */
.video-section { max-width: 720px; margin: 0 auto; padding: 56px 20px 40px; text-align: center; }
.video-section h2 { margin-bottom: 24px; }
.video-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.video-wrap iframe {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; border: 0;
}
.video-note { margin-top: 14px; font-size: 12.5px; color: var(--gray); }

/* ---------- early CTA ---------- */
.early-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    padding: 22px 16px;
    background: var(--blue-light);
}
.early-cta-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: transform .15s ease, box-shadow .15s ease;
}
.early-cta-btn.primary {
    background: var(--orange);
    color: #fff;
    box-shadow: 0 6px 16px rgba(233,143,0,.4);
}
.early-cta-btn.secondary {
    background: #fff;
    color: var(--blue);
    border: 2px solid var(--blue);
}
.early-cta-btn:hover { transform: translateY(-3px); }

/* ---------- pain points ---------- */
.pain-section { max-width: 1100px; margin: 0 auto; padding: 56px 20px 40px; }
.pain-section h2 { margin-bottom: 32px; }
.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.pain-card {
    background: var(--blue);
    border-radius: var(--radius);
    padding: 24px 18px;
    text-align: center;
}
.pain-card i { font-size: 32px; color: #fff; margin-bottom: 14px; opacity: .9; }
.pain-card h3 {
    display: inline-block;
    font-size: 15px;
    margin-bottom: 12px;
    padding: 5px 14px;
    color: var(--blue);
    background: #fff100;
    border-radius: 999px;
}
.pain-card p { font-size: 13.5px; color: #fff; }

/* ---------- reason section ---------- */
.reason-section { background: #f6fbfd; padding: 56px 20px; }
.reason-heading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 40px;
    font-size: 24px;
    font-weight: 900;
}
.reason-logo { height: 40px; width: auto; }
.reason-card {
    max-width: 900px;
    margin: 0 auto 28px;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0,0,0,.06);
}
.reason-card-head {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--blue);
    color: #fff;
    padding: 16px 24px;
}
.point-no { font-weight: 900; font-size: 15px; letter-spacing: .05em; opacity: .85; }
.point-title { font-weight: 700; font-size: 17px; }
.reason-card-img { padding: 20px 24px 0; text-align: center; }
.reason-card-text { padding: 18px 24px 24px; font-size: 14.5px; color: #333; }

.estimate-btn-wrap { text-align: center; margin-top: 20px; }
.estimate-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--red);
    color: #fff;
    font-weight: 900;
    font-size: 18px;
    padding: 18px 40px;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(229,57,53,.35);
    transition: transform .15s ease;
}
.estimate-btn:hover { transform: translateY(-3px); }
.estimate-icon { font-size: 16px; }

/* ---------- case studies ---------- */
.case-section { max-width: 1100px; margin: 0 auto; padding: 60px 20px; }
.case-header { margin-bottom: 36px; }
.case-header h2 { line-height: 1.4; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: 0 3px 14px rgba(0,0,0,.05);
}
.case-card-top { padding: 20px 20px 0; }
.case-card-top img { border-radius: 10px; margin-bottom: 14px; }
.case-card-title h4 { font-size: 14px; color: var(--gray); margin-bottom: 4px; }
.case-card-title h3 { font-size: 18px; font-weight: 900; line-height: 1.4; }
.case-card-title h3 span { display: block; }
.case-card-bottom { padding: 16px 20px 22px; }
.case-row { display: flex; gap: 10px; margin-bottom: 10px; align-items: flex-start; }
.case-row p { font-size: 13px; color: #444; }
.tag {
    flex: none;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 999px;
    color: #fff;
}
.tag-issue { background: var(--gray); }
.tag-solve { background: var(--blue); }

/* ---------- spec ---------- */
.spec-section { background: var(--blue-light); padding: 60px 20px; }
.spec-section h2 { margin-bottom: 32px; }
.spec-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    align-items: center;
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
}
.spec-row {
    display: flex;
    border-bottom: 1px solid var(--line);
    padding: 12px 0;
    gap: 16px;
}
.spec-row-last { border-bottom: none; }
.spec-label { flex: 0 0 110px; font-weight: 700; color: var(--blue-dark); font-size: 14px; }
.spec-value { font-size: 13.5px; color: #333; }
.spec-note { font-size: 11.5px; color: var(--gray); }
.spec-img { text-align: center; }

/* ---------- flow ---------- */
.flow-section { max-width: 1100px; margin: 0 auto; padding: 60px 20px; }
.flow-section h2 { margin-bottom: 36px; }
.flow-grid { display: flex; align-items: stretch; gap: 8px; }
.flow-card {
    flex: 1;
    background: #fafafa;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px 18px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.flow-step { color: var(--orange); font-weight: 900; font-size: 13px; letter-spacing: .06em; }
.flow-card h3 { font-size: 18px; }
.flow-card p { font-size: 13px; color: var(--gray); min-height: 44px; }
.flow-card img { max-height: 90px; width: auto; margin: 6px 0; }
.flow-icon-only { font-size: 46px; color: var(--blue); margin: 10px 0; }
.flow-link {
    margin-top: auto;
    background: var(--blue);
    color: #fff;
    font-size: 12.5px;
    font-weight: 700;
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.flow-arrow { display: flex; align-items: center; color: #ccc; font-size: 20px; }

/* ---------- FAQ ---------- */
.faq-section { max-width: 800px; margin: 0 auto; padding: 60px 20px; }
.faq-title { margin-bottom: 30px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 4px;
    cursor: pointer;
}
.faq-q {
    flex: none;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    font-weight: 900;
    display: flex; align-items: center; justify-content: center;
}
.faq-q-text { flex: 1; font-weight: 700; font-size: 14.5px; }
.faq-chevron { color: var(--gray); transition: transform .2s ease; }
.faq-answer {
    display: flex;
    gap: 14px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, padding .3s ease;
    padding: 0 4px;
}
.faq-answer.open { max-height: 300px; padding: 0 4px 18px; }
.faq-a {
    flex: none;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--orange);
    color: #fff;
    font-weight: 900;
    display: flex; align-items: center; justify-content: center;
}
.faq-answer p { font-size: 13.5px; color: #444; }

/* ---------- final CTA ---------- */
.final-cta {
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    color: #fff;
    text-align: center;
    padding: 60px 20px;
}
.final-cta h2 { color: #fff; margin-bottom: 12px; }
.final-cta p { opacity: .9; margin-bottom: 26px; font-size: 14.5px; }
.final-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--orange);
    color: #fff;
    font-weight: 900;
    font-size: 18px;
    padding: 18px 40px;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(0,0,0,.25);
    transition: transform .15s ease;
}
.final-cta-btn:hover { transform: translateY(-3px); }

/* ---------- footer ---------- */
.footer-section { background: var(--ink); color: #ccc; padding: 30px 20px; text-align: center; }
.footer-corporate-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
    border: 1px solid #555;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    margin-bottom: 16px;
}
.footer-copyright { font-size: 11.5px; color: #888; }

/* ---------- floating CTA ---------- */
.floating-cta {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 60;
    background: #fff;
    box-shadow: 0 -4px 16px rgba(0,0,0,.15);
    padding: 10px 16px;
    transform: translateY(100%);
    opacity: 0;
    transition: transform .25s ease, opacity .25s ease;
}
.floating-cta.visible { transform: translateY(0); opacity: 1; }
.floating-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--red);
    color: #fff;
    font-weight: 900;
    font-size: 15px;
    padding: 14px;
    border-radius: 999px;
    text-decoration: none;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
    .hero-text h1 { font-size: 26px; }
    .compare-row { grid-template-columns: 1fr; gap: 20px; max-width: 320px; }
    .compare-card.highlight { transform: none; order: -1; }
    .pain-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: 1fr; }
    .spec-inner { grid-template-columns: 1fr; }
    .flow-grid { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); align-self: center; }
    h2 { font-size: 22px; }
    .floating-cta { display: block; }
}

@media (min-width: 901px) {
    .floating-cta { display: none; }
}

@media (max-width: 640px) {
    .pain-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .early-cta-btn { width: 100%; justify-content: center; }
    /* 底部の floating-cta が常時見積り導線を担うため、header 側は
       ロゴのみに絞ってスマホでの窮屈な詰め込みを回避 */
    .nav-cta { display: none; }
    .nav-inner { justify-content: center; }
}