:root {
    --color-green: #0F6B3A;
    --color-green-strong: #0B5F33;
    --color-green-dark: #084A28;
    --color-green-soft: #EAF4E8;
    --color-sub-green: #7FC36B;
    --color-blue: #4DA3D9;
    --color-blue-soft: #E8F5FC;
    --color-gold: #D6B05A;
    --color-gold-soft: #F8F1DF;
    --color-text: #1E2A36;
    --color-muted: #637181;
    --color-border: #DCE7DF;
    --color-bg: #F7FAF6;
    --shadow: 0 16px 38px rgba(15, 107, 58, 0.13);
    --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.8;
    overflow-x: hidden;
}

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

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

.container {
    width: min(1120px, calc(100% - 40px));
    margin-inline: auto;
}

.narrow { width: min(820px, calc(100% - 40px)); }

.section { padding: 76px 0; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247, 250, 246, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(220, 231, 223, 0.82);
}

.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 8px;
    font-weight: 800;
}

.site-logo__mark {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--color-green-strong);
    color: #fff;
    font-size: .9rem;
}

.site-logo__text { font-size: 1rem; }

.site-logo img,
.custom-logo {
    display: block;
    width: auto;
    max-height: 56px;
}

.site-logo__image {
    height: 38px;
    max-width: 194px;
    object-fit: contain;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    min-width: 0;
}

.site-nav__list {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-weight: 700;
    font-size: 0.9rem;
    white-space: nowrap;
}

.site-nav a {
    transition: color .2s ease;
}

.site-nav a:hover {
    color: var(--color-green-strong);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    border: 2px solid transparent;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.button--primary {
    background: var(--color-green-strong);
    color: #fff;
}

.button--ghost {
    background: #fff;
    color: var(--color-green-dark);
    border-color: var(--color-border);
}

.button--small {
    min-height: 38px;
    padding-inline: 16px;
    font-size: 0.88rem;
    white-space: nowrap;
}

.button--large {
    min-height: 58px;
    padding-inline: 34px;
    font-size: 1.05rem;
}

.nav-toggle { display: none; }

.hero {
    padding-top: 54px;
    background:
        radial-gradient(circle at 8% 15%, rgba(127, 195, 107, .2), transparent 25%),
        radial-gradient(circle at 93% 12%, rgba(77, 163, 217, .14), transparent 22%),
        linear-gradient(180deg, #fff 0%, var(--color-bg) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
    align-items: center;
    gap: 56px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--color-green-strong);
    font-weight: 900;
    letter-spacing: 0;
    font-size: .86rem;
}

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

h1 {
    margin-bottom: 30px;
    font-size: clamp(2.46rem, 4.95vw, 4.18rem);
    line-height: 1.08;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 22px;
    font-size: clamp(2rem, 3.8vw, 3.2rem);
    line-height: 1.25;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 10px;
    font-size: 1.28rem;
    line-height: 1.45;
}

.hero-lead {
    font-size: clamp(1.16rem, 2.1vw, 1.42rem);
    font-weight: 800;
    line-height: 1.7;
    margin-bottom: 18px;
}

.hero-text {
    color: var(--color-muted);
    max-width: 680px;
}

.button-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin: 26px 0;
}

.hero-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.hero-points div {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 14px;
    box-shadow: 0 10px 30px rgba(30, 42, 54, .06);
}

.hero-points strong,
.hero-points span {
    display: block;
}

.hero-points strong {
    font-size: .94rem;
}

.hero-points span {
    color: var(--color-muted);
    font-size: .82rem;
}

.hero-visual {
    position: relative;
    min-height: 420px;
    border-radius: 36px;
    background:
        linear-gradient(135deg, rgba(15,107,58,.08), rgba(77,163,217,.12)),
        #fff;
    box-shadow: 0 18px 46px rgba(15, 107, 58, .16);
    overflow: hidden;
}

.hero-visual::before {
    content: "";
    position: absolute;
    inset: 26px;
    border: 2px dashed rgba(15, 107, 58, .18);
    border-radius: 28px;
}

.speech-card {
    position: absolute;
    right: 34px;
    top: 34px;
    z-index: 2;
    padding: 14px 18px;
    border-radius: 18px 18px 6px 18px;
    background: var(--color-blue-soft);
    border: 1px solid rgba(77, 163, 217, .28);
    color: #245F83;
    font-weight: 900;
    line-height: 1.45;
}

.visual-card {
    position: absolute;
    z-index: 1;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(30, 42, 54, .13);
    border: 1px solid var(--color-border);
}

.visual-card--main {
    left: 50%;
    top: 50%;
    width: 288px;
    padding: 32px;
    transform: translate(-50%, -50%);
    text-align: center;
    font-weight: 900;
    color: var(--color-text);
    box-shadow: 0 24px 58px rgba(30, 42, 54, .18);
}

.visual-card--main p {
    margin-bottom: 6px;
}

.visual-card--main small {
    color: #4D5D6D;
    font-weight: 800;
}

.visual-icon {
    width: 78px;
    height: 78px;
    display: grid;
    place-items: center;
    margin: 0 auto 18px;
    border-radius: 22px;
    background: var(--color-green-strong);
    color: #fff;
    font-size: 1.45rem;
}

.visual-card--sub {
    display: grid;
    place-items: center;
    width: 92px;
    height: 92px;
    font-weight: 900;
    font-size: 1.2rem;
    line-height: 1.25;
    text-align: center;
}

.visual-card--sub small {
    font-size: .72rem;
    color: rgba(30,42,54,.72);
}

.visual-card--ai {
    left: 48px;
    top: 72px;
    background: var(--color-blue-soft);
    border-color: rgba(77, 163, 217, .32);
    color: #245F83;
}

.visual-card--web {
    right: 42px;
    bottom: 64px;
    background: var(--color-green-soft);
    border-color: rgba(15, 107, 58, .22);
    color: var(--color-green-dark);
}

.visual-line {
    position: absolute;
    inset: auto 50px 52px auto;
    width: 170px;
    height: 170px;
    border-right: 6px solid rgba(15,107,58,.22);
    border-bottom: 6px solid rgba(214,176,90,.34);
    border-radius: 0 0 46px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 38px;
}

.section-heading p {
    color: var(--color-muted);
}

.cards {
    display: grid;
    gap: 20px;
}

.cards--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: 0 12px 32px rgba(30, 42, 54, .06);
}

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

.problem,
.recommend,
.price {
    background: var(--color-green-soft);
}

.philosophy {
    background: #fff;
}

.message-box,
.pack-box {
    margin-top: 28px;
    padding: 24px;
    border-radius: var(--radius);
    background: var(--color-green-soft);
    border: 1px dashed var(--color-green-strong);
    font-weight: 800;
}

.service-card span {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: 16px;
    background: var(--color-green-soft);
    color: var(--color-green-strong);
    font-weight: 900;
}

.split {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 54px;
    align-items: center;
}

.check-list {
    margin: 0;
    padding: 28px;
    list-style: none;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}

.check-list li {
    position: relative;
    padding-left: 34px;
    margin-bottom: 14px;
    font-weight: 700;
}

.check-list li:last-child { margin-bottom: 0; }

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--color-green-strong);
    color: #fff;
    font-size: .84rem;
}

.flow-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.flow-list div {
    position: relative;
    padding: 24px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--color-border);
}

.flow-list span {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--color-green-strong);
    font-weight: 900;
    font-size: .82rem;
}

.price-card .price-number {
    color: var(--color-gold);
    font-size: clamp(1.32rem, 2vw, 1.75rem);
    font-weight: 900;
    line-height: 1.35;
}

.price-card.featured {
    border-color: var(--color-gold);
    box-shadow: 0 16px 38px rgba(214, 176, 90, .17);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tag-list span {
    padding: 12px 18px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--color-border);
    font-weight: 800;
}

.profile-placeholder {
    min-height: 260px;
    display: grid;
    place-items: center;
    text-align: center;
    border-radius: 26px;
    background: var(--color-green-soft);
    border: 1px dashed var(--color-green-strong);
    color: var(--color-green-dark);
    font-weight: 900;
}

.text-link {
    color: var(--color-green-strong);
    font-weight: 900;
    border-bottom: 2px solid currentColor;
}

.faq details {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 20px 24px;
    margin-bottom: 12px;
}

.faq summary {
    cursor: pointer;
    font-weight: 900;
}

.faq details p {
    color: var(--color-muted);
    margin: 14px 0 0;
}

.final-cta {
    text-align: center;
    color: #fff;
    background:
        radial-gradient(circle at 10% 20%, rgba(214,176,90,.2), transparent 26%),
        radial-gradient(circle at 88% 18%, rgba(77,163,217,.14), transparent 24%),
        linear-gradient(135deg, var(--color-green), var(--color-green-dark));
}

.final-cta p {
    color: rgba(255,255,255,.86);
}

.final-cta .button--primary {
    background: #fff;
    color: var(--color-green-dark);
}

.site-footer {
    padding: 48px 0 24px;
    background: #142332;
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 32px;
    align-items: start;
}

.footer-logo {
    font-weight: 900;
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.footer-copy {
    color: rgba(255,255,255,.72);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    justify-content: flex-end;
}

.footer-bottom {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.16);
    color: rgba(255,255,255,.65);
}

.pc-only { display: inline; }

@media (max-width: 960px) {
    .section { padding: 68px 0; }
    .site-nav {
        gap: 12px;
    }
    .site-nav__list {
        gap: 12px;
        font-size: .86rem;
    }
    .site-logo__text {
        font-size: .96rem;
    }
    .site-logo img,
    .custom-logo {
        max-height: 48px;
    }
    .site-logo__image {
        height: 34px;
        max-width: 172px;
    }
    .hero-grid,
    .split,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-visual {
        min-height: 340px;
    }
    .cards--3,
    .cards--4,
    .flow-list {
        grid-template-columns: 1fr 1fr;
    }
    .footer-nav {
        justify-content: flex-start;
    }
}

@media (max-width: 760px) {
    .container,
    .narrow {
        width: min(100% - 28px, 1120px);
    }
    .header-inner {
        min-height: 64px;
    }
    .nav-toggle {
        display: inline-flex;
        width: 44px;
        height: 44px;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        padding: 0 10px;
        border: 0;
        background: #fff;
        border-radius: 14px;
        box-shadow: 0 6px 20px rgba(30,42,54,.08);
    }
    .nav-toggle span {
        height: 2px;
        background: var(--color-text);
        border-radius: 999px;
    }
    .site-nav {
        position: fixed;
        inset: 64px 14px auto 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        background: #fff;
        border: 1px solid var(--color-border);
        border-radius: 22px;
        box-shadow: var(--shadow);
    }
    .site-nav a {
        display: block;
        padding: 10px 4px;
    }
    .site-nav.is-open { display: flex; }
    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        font-size: .95rem;
        white-space: normal;
    }
    .nav-cta { width: 100%; }
    .section { padding: 58px 0; }
    .hero { padding-top: 28px; }
    h1 {
        margin-bottom: 20px;
        font-size: clamp(2.2rem, 10.8vw, 2.82rem);
        line-height: 1.12;
    }
    h2 { font-size: clamp(1.72rem, 8vw, 2.2rem); }
    .hero-lead {
        margin-bottom: 14px;
        font-size: 1.06rem;
    }
    .hero-text {
        margin-bottom: 0;
    }
    .button-row {
        margin: 22px 0;
    }
    .hero-points,
    .cards--3,
    .cards--4,
    .flow-list {
        grid-template-columns: 1fr;
    }
    .hero-visual {
        min-height: 238px;
        border-radius: 24px;
    }
    .hero-visual::before {
        inset: 18px;
        border-radius: 20px;
    }
    .speech-card {
        right: 18px;
        top: 18px;
        padding: 10px 14px;
        font-size: .86rem;
    }
    .visual-card--main {
        width: min(208px, calc(100% - 76px));
        padding: 18px;
    }
    .visual-icon {
        width: 58px;
        height: 58px;
        margin-bottom: 12px;
        border-radius: 18px;
    }
    .visual-card--sub {
        width: 72px;
        height: 72px;
    }
    .visual-card--ai { left: 18px; top: 24px; }
    .visual-card--web { right: 18px; bottom: 24px; }
    .visual-line { display: none; }
    .button {
        width: 100%;
    }
    .card,
    .check-list {
        padding: 22px;
    }
    .pc-only { display: none; }
}

@media (max-width: 420px) {
    .section { padding: 48px 0; }
    .button-row { margin: 20px 0; }
    .hero-points { gap: 9px; }
    .hero-points div { padding: 10px 12px; }
    .visual-card--sub {
        width: 64px;
        height: 64px;
        font-size: 1rem;
    }
}