:root {
    --navy: #0b2f4f;
    --navy-deep: #061e34;
    --navy-soft: #163f61;
    --gold: #d9a72c;
    --gold-light: #f0c760;
    --ink: #14202b;
    --muted: #5f6d79;
    --line: #dce4ea;
    --paper: #ffffff;
    --soft: #f4f7f9;
    --warm: #fbf8f0;
    --max: 1120px;
    --shadow: 0 28px 80px rgba(4, 25, 43, .16);
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: var(--ink);
    font-family: 'Noto Sans JP', system-ui, -apple-system, sans-serif;
    line-height: 1.8;
    background: #fff
}

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

a {
    color: inherit
}

.container {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto
}

.narrow {
    max-width: 880px
}

h1, h2, h3, h4, p {
    margin-top: 0
}

h1, h2 {
    font-family: 'Noto Serif JP', serif;
    letter-spacing: .01em
}

h2 {
    font-size: clamp(30px, 4vw, 52px);
    line-height: 1.45;
    margin-bottom: 26px
}

.section {
    padding: 110px 0
}

.section-light {
    background: #fff
}

.section-warm {
    background: var(--warm)
}

/* Hero: show the entire original square ad at every screen width. */
.hero {
    background: linear-gradient(180deg, #eaf0f4 0%, #f5f8fa 50%, #fff 100%);
    padding: clamp(28px, 4vw, 64px) 0 86px;
}

.hero-media {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 clamp(14px, 3vw, 48px);
    overflow: visible;
}

.hero-media img {
    width: 100%;
    max-width: 1050px;
    height: auto;
    max-height: none;
    object-fit: contain;
    box-shadow: 0 18px 52px rgba(7, 30, 51, .12);
}

.hero-copy-wrap {
    margin-top: clamp(32px, 4vw, 64px);
    position: relative;
    z-index: 1;
}

.hero-copy-card {
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(11, 47, 79, .08);
    box-shadow: var(--shadow);
    border-radius: 18px;
    padding: 56px 64px;
    max-width: 880px
}

.eyebrow, .section-label {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .14em;
    color: var(--navy);
    margin-bottom: 18px
}

.kicker {
    display: inline-block;
    color: #9a6a00;
    font-weight: 800;
    font-size: 13px;
    letter-spacing: .16em;
    border-bottom: 2px solid var(--gold);
    padding-bottom: 5px;
    margin-bottom: 18px
}

.hero h1 {
    font-size: clamp(42px, 6vw, 76px);
    line-height: 1.28;
    margin-bottom: 24px;
    color: var(--navy-deep)
}

.lead {
    font-size: 18px;
    line-height: 2
}

.hero-points {
    list-style: none;
    padding: 0;
    margin: 32px 0 34px;
    display: grid;
    gap: 12px
}

.hero-points li {
    position: relative;
    padding-left: 32px;
    font-weight: 700
}

.hero-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: .05em;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--navy);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 12px
}

.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: 0 34px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    color: #17202a;
    text-decoration: none;
    font-weight: 900;
    font-size: 18px;
    box-shadow: 0 12px 28px rgba(181, 128, 5, .25);
    transition: .2s
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(181, 128, 5, .3)
}

.micro {
    font-size: 13px;
    color: var(--muted);
    margin: 14px 0 0
}

.section-dark {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--navy-deep), var(--navy));
    color: #fff;
    overflow: hidden
}

.report-card-grid {
    display: grid;
    grid-template-columns:.9fr 1.1fr;
    gap: 70px;
    align-items: center
}

.report-card-art {
    display: grid;
    place-items: center
}

.mock-report-image {
    width: min(430px, 92%);
    aspect-ratio: 1/1;
    border-radius: 16px;
    background: url('assets/hero-facebook-ad.png') center/cover no-repeat;
    box-shadow: 20px 28px 0 rgba(255, 255, 255, .08), 0 28px 55px rgba(0, 0, 0, .32);
    transform: rotate(-4deg)
}

.report-card-copy h2 {
    font-size: clamp(38px, 5vw, 64px);
    margin: 12px 0 26px;
    color: #fff
}

.report-card-copy p {
    font-size: 17px;
    color: #dbe8f1
}

.report-card-copy p:last-child {
    font-size: 14px;
    letter-spacing: .12em;
    margin-top: 36px
}

.section-intro {
    max-width: 720px;
    color: var(--muted);
    font-size: 17px;
    margin-bottom: 42px
}

.problem-grid {
    display: grid;
    grid-template-columns:repeat(2, 1fr);
    gap: 22px
}

.problem-card {
    position: relative;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 34px rgba(13, 42, 63, .06)
}

.problem-card h3 {
    font-size: 21px;
    line-height: 1.5;
    color: var(--navy)
}

.problem-card p {
    color: var(--muted);
    margin-bottom: 0
}

.learn-list {
    display: grid;
    gap: 0;
    border-top: 1px solid #ded6c5
}

.learn-list article {
    display: grid;
    grid-template-columns:90px 1fr;
    gap: 28px;
    padding: 30px 0;
    border-bottom: 1px solid #ded6c5;
    align-items: start
}

.learn-list article > span {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--navy);
    color: #fff;
    font: 800 22px/1 'Noto Serif JP', serif
}

.learn-list h3 {
    font-size: 22px;
    margin-bottom: 7px
}

.learn-list p {
    color: var(--muted);
    margin-bottom: 0
}

.results-section {
    background: linear-gradient(135deg, #071f35, #0e3a5d);
    color: #fff
}

.section-label-light {
    color: var(--gold-light)
}

.results-section h2 {
    color: #fff
}

.stat-grid {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 12px;
    margin: 48px 0
}

.stat-grid article {
    border: 1px solid rgba(255, 255, 255, .18);
    padding: 28px 22px;
    background: rgba(255, 255, 255, .05);
    border-radius: 14px;
    min-height: 170px;
    display: flex;
    flex-direction: column;
    justify-content: center
}

.stat-grid strong {
    font-family: 'Noto Serif JP', serif;
    font-size: 34px;
    color: var(--gold-light);
    margin-bottom: 8px
}

.stat-grid span {
    font-size: 14px;
    color: #dbe7ef
}

.voice-grid {
    display: grid;
    grid-template-columns:repeat(2, 1fr);
    gap: 22px
}

.voice-grid blockquote {
    margin: 0;
    padding: 34px;
    border-radius: 16px;
    background: #fff;
    color: var(--ink);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .14)
}

.voice-grid blockquote p {
    font-size: 17px;
    line-height: 1.9
}

.voice-grid cite {
    font-style: normal;
    font-weight: 800;
    color: var(--navy)
}

.content-grid {
    display: grid;
    grid-template-columns:.85fr 1.15fr;
    gap: 70px;
    align-items: start
}

.chapter-list {
    border-top: 1px solid var(--line)
}

.chapter-list p {
    margin: 0;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    font-weight: 600
}

.chapter-list .publisher {
    font-size: 13px;
    color: var(--muted);
    font-weight: 500
}

.download-section {
    background: linear-gradient(135deg, #0b2f4f, #071e33);
    color: #fff
}

.download-grid {
    display: grid;
    grid-template-columns:.9fr 1.1fr;
    gap: 60px;
    align-items: start
}

.download-copy {
    padding-top: 40px
}

.download-copy h2 {
    color: #fff
}

.download-copy > p:last-child {
    color: #d9e4ec;
    font-size: 17px
}

.form-card {
    background: #fff;
    color: var(--ink);
    padding: 38px;
    border-radius: 18px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, .26)
}

.form-card h3 {
    font-size: 26px;
    color: var(--navy);
    margin-bottom: 8px
}

.form-card > p {
    color: var(--muted);
    font-size: 14px
}

.form-card form {
    display: grid;
    gap: 18px;
    margin-top: 28px
}

.form-card label {
    font-weight: 700;
    display: grid;
    gap: 8px
}

.form-card label > span {
    font-size: 12px;
    color: #a5521b;
    margin-left: 6px
}

.form-card input, .form-card select {
    width: 100%;
    border: 1px solid #cfd9e0;
    border-radius: 10px;
    padding: 15px 14px;
    font-size: 16px;
    background: #fff
}

.form-card input:focus, .form-card select:focus {
    outline: 3px solid rgba(217, 167, 44, .2);
    border-color: var(--gold)
}

.form-card .consent,
.form-card .consent .wpcf7-list-item > label {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-weight: 500
}

.form-card .consent input {
    width: 18px;
    height: 18px;
    margin-top: 5px;
    flex: 0 0 auto
}

.form-card .consent span {
    font-size: 13px;
    color: var(--muted);
    margin: 0
}

.form-card .consent a {
    color: var(--navy);
    font-weight: 800
}

.form-card button,
.form-card .wpcf7-submit {
    border: 0;
    border-radius: 999px;
    min-height: 60px;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    font: 900 17px 'Noto Sans JP', sans-serif;
    color: #17202a;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(181, 128, 5, .22)
}

.privacy-note {
    text-align: center;
    font-size: 12px !important;
    margin: 14px 0 0 !important
}

.thanks {
    margin-top: 26px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
    text-align: center
}

.thanks > span {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #e8f4ed;
    color: #27804a;
    font-size: 22px;
    margin: 0 auto 12px
}

.thanks h4 {
    font-size: 20px;
    margin-bottom: 8px
}

.thanks a {
    display: inline-block;
    color: var(--navy);
    font-weight: 800;
    margin-top: 10px
}

.faq-section {
    background: #f7f9fa
}

.faq-list {
    margin-top: 38px;
    border-top: 1px solid var(--line)
}

details {
    border-bottom: 1px solid var(--line);
    background: #fff
}

summary {
    list-style: none;
    cursor: pointer;
    padding: 24px 26px;
    font-weight: 800;
    display: flex;
    justify-content: space-between;
    gap: 20px
}

summary::-webkit-details-marker {
    display: none
}

summary span {
    font-size: 24px;
    color: var(--gold)
}

details p {
    padding: 0 26px 24px;
    color: var(--muted);
    margin: 0
}

.final-cta {
    padding: 110px 0;
    text-align: center;
    background: linear-gradient(rgba(255, 255, 255, .95), rgba(255, 255, 255, .95)), radial-gradient(circle at 50% 0, #dce6ed, transparent 60%)
}

.final-cta h2 {
    font-size: clamp(36px, 5vw, 62px);
    color: var(--navy-deep)
}

.final-cta p {
    font-size: 18px;
    margin: 0 auto 34px;
    max-width: 760px;
    color: var(--muted)
}

footer {
    background: #06192b;
    color: #b9c8d4;
    padding: 30px 0;
    font-size: 12px
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap
}

.footer-inner p {
    margin: 0
}

.footer-inner a {
    color: #fff
}

@media (max-width: 900px) {
    .section {
        padding: 80px 0
    }

    .hero {
        padding: 28px 0 58px
    }

    .hero-copy-wrap {
        margin-top: 32px
    }

    .hero-copy-card {
        padding: 38px 28px
    }

    .report-card-grid, .content-grid, .download-grid {
        grid-template-columns:1fr;
        gap: 42px
    }

    .problem-grid, .voice-grid {
        grid-template-columns:1fr
    }

    .stat-grid {
        grid-template-columns:repeat(2, 1fr)
    }

    .report-card-art {
        order: 2
    }

    .report-card-copy {
        order: 1
    }

    .download-copy {
        padding-top: 0
    }
}

@media (max-width: 600px) {
    .container {
        width: min(100% - 28px, var(--max))
    }

    .section {
        padding: 66px 0
    }

    .hero {
        padding: 18px 0 48px
    }

    .hero-media {
        padding: 0 14px
    }

    .hero-copy-wrap {
        margin-top: 28px
    }

    .hero-copy-card {
        padding: 30px 22px;
        border-radius: 14px
    }

    .hero h1 {
        font-size: 38px
    }

    .lead {
        font-size: 15px
    }

    .cta {
        width: 100%;
        font-size: 16px;
        padding: 0 20px
    }

    .problem-card {
        padding: 26px 22px
    }

    .learn-list article {
        grid-template-columns:54px 1fr;
        gap: 18px
    }

    .learn-list article > span {
        width: 44px;
        height: 44px;
        font-size: 17px
    }

    .stat-grid {
        grid-template-columns:1fr
    }

    .form-card {
        padding: 28px 20px
    }

    .report-card-grid {
        gap: 28px
    }

    .mock-report-image {
        width: 88%
    }

    .footer-inner {
        display: block
    }

    .footer-inner p + p {
        margin-top: 8px
    }
}