/* ════════════════════════════
   RESET & BASE
════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --purple:      #A855F7;
    --purple-dk:   #7C3AED;
    --purple-lt:   #C084FC;
    --purple-bg:   rgba(168,85,247,.1);
    --purple-bd:   rgba(168,85,247,.3);

    --gold:        #C8960A;
    --gold-bg:     rgba(200,150,10,.1);
    --gold-bd:     rgba(200,150,10,.35);

    --navy:        #162035;
    --navy-mid:    #0f1a2e;
    --navy-dk:     #0b1220;

    --white:       #ffffff;
    --gray-50:     #f8f9fb;
    --gray-100:    #f0f2f5;
    --gray-200:    #e2e6ed;
    --text:        #111827;
    --text-mid:    #4b5563;
    --text-light:  #9ca3af;

    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   20px;

    --shadow-sm:   0 1px 4px rgba(0,0,0,.06);
    --shadow-md:   0 4px 16px rgba(0,0,0,.08);
    --shadow-lg:   0 12px 40px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }

body {
    background: var(--white);
    color: var(--text);
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    font-size: 15px;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ════════════════════════════
   NAV
════════════════════════════ */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-img {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.nav-logo-text {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: .08em;
    text-transform: lowercase;
}

.nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-ghost {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-mid);
    border: 1.5px solid var(--gray-200);
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    transition: border-color .15s, color .15s;
}
.btn-ghost:hover { border-color: var(--purple); color: var(--purple); }

.btn-register {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, var(--purple), var(--purple-dk));
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 8px rgba(168,85,247,.3);
    transition: opacity .15s;
}
.btn-register:hover { opacity: .88; }

/* ════════════════════════════
   HERO
════════════════════════════ */
.hero {
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-dk) 100%);
    padding: 80px 24px 88px;
    text-align: center;
}

.hero-inner {
    max-width: 520px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--purple-lt);
    background: rgba(168,85,247,.15);
    border: 1px solid rgba(168,85,247,.35);
    padding: 5px 16px;
    border-radius: 99px;
    margin-bottom: 24px;
}

.hero-h1 {
    font-size: clamp(28px, 5vw, 46px);
    font-weight: 900;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -.01em;
}

.hero-h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--purple-lt), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 15px;
    color: rgba(255,255,255,.6);
    line-height: 1.8;
    margin-bottom: 40px;
}

/* ── 登録カード ── */
.register-card {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 28px 26px;
    box-shadow: 0 24px 64px rgba(0,0,0,.35);
    text-align: left;
}

.register-card-eyebrow {
    font-size: 12px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: .05em;
    text-align: center;
    margin-bottom: 8px;
}

.register-card-title {
    font-size: 20px;
    font-weight: 900;
    color: var(--text);
    text-align: center;
    line-height: 1.3;
    margin-bottom: 20px;
}

.register-card-title em {
    font-style: normal;
    color: var(--purple);
}

.register-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 22px;
}

.register-benefits li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-mid);
}

.check {
    color: var(--purple);
    font-weight: 900;
    font-size: 14px;
    flex-shrink: 0;
}

.btn-primary {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 15px;
    font-weight: 900;
    color: var(--white);
    background: linear-gradient(135deg, var(--purple), var(--purple-dk));
    padding: 15px;
    border-radius: var(--radius-md);
    letter-spacing: .03em;
    box-shadow: 0 4px 20px rgba(168,85,247,.4);
    transition: opacity .15s, transform .15s;
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); }

.register-login-link {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
}
.register-login-link a {
    color: var(--purple);
    border-bottom: 1px solid rgba(168,85,247,.3);
    padding-bottom: 1px;
}

/* ════════════════════════════
   MAIN
════════════════════════════ */
.main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 64px 24px 80px;
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.section-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 28px;
}

/* ════════════════════════════
   BONUS CARDS
════════════════════════════ */
.bonus-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.bonus-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    transition: box-shadow .2s;
}
.bonus-card:hover { box-shadow: var(--shadow-lg); }

.bonus-card-bar { height: 4px; }
.gold-bar   { background: linear-gradient(90deg, #F5C842, #c8960a); }
.purple-bar { background: linear-gradient(90deg, var(--purple), var(--purple-dk)); }

.bonus-card-head {
    padding: 22px 24px 18px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.bonus-tag {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 99px;
    margin-bottom: 10px;
}
.gold-tag   { background: var(--gold-bg);   color: var(--gold);   border: 1px solid var(--gold-bd); }
.purple-tag { background: var(--purple-bg); color: var(--purple); border: 1px solid var(--purple-bd); }

.bonus-amount {
    font-size: 40px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 4px;
}
.gold-text   { color: var(--gold); }
.purple-text { color: var(--purple); }

.bonus-name {
    font-size: 13px;
    color: var(--text-light);
}

.bonus-code-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.code-label {
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.code-badge {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .1em;
    padding: 3px 12px;
    border-radius: 6px;
}
.gold-badge   { background: var(--gold-bg);   color: var(--gold);   border: 1px solid var(--gold-bd); }
.purple-badge { background: var(--purple-bg); color: var(--purple); border: 1px solid var(--purple-bd); }

.bonus-specs {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
}

.bonus-spec {
    flex: 1;
    padding: 12px 24px;
}
.bonus-spec + .bonus-spec { border-left: 1px solid var(--gray-200); }

.spec-label {
    font-size: 10px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-bottom: 3px;
}

.spec-val {
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
}

.bonus-steps {
    padding: 16px 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.steps-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--text-light);
    margin-bottom: 4px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 900;
    flex-shrink: 0;
    margin-top: 1px;
}
.gold-num   { background: var(--gold-bg);   color: var(--gold);   border: 1px solid var(--gold-bd); }
.purple-num { background: var(--purple-bg); color: var(--purple); border: 1px solid var(--purple-bd); }

.step-text {
    font-size: 13px;
    color: var(--text-mid);
    line-height: 1.55;
}
.step-text code { font-family: 'Courier New', monospace; font-weight: 800; font-size: 12px; }
.gold-code   { color: var(--gold); }
.purple-code { color: var(--purple); }

/* ════════════════════════════
   TRADING CONDITIONS
════════════════════════════ */
.cond-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.cond-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    text-align: center;
    transition: border-color .15s, box-shadow .15s;
}
.cond-card:hover { border-color: var(--purple); box-shadow: 0 4px 16px rgba(168,85,247,.1); }

.cond-icon { font-size: 28px; margin-bottom: 10px; }
.cond-val  { font-size: 26px; font-weight: 900; color: var(--purple); margin-bottom: 4px; }
.cond-label { font-size: 11px; color: var(--text-light); text-transform: uppercase; letter-spacing: .07em; }

/* ════════════════════════════
   CTA BANNER
════════════════════════════ */
.cta-banner {
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-dk) 100%);
    border-radius: var(--radius-lg);
    padding: 44px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--purple-lt);
    margin-bottom: 8px;
}

.cta-headline {
    font-size: 26px;
    font-weight: 900;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 8px;
}

.cta-sub {
    font-size: 13px;
    color: rgba(255,255,255,.55);
}

.btn-cta {
    display: inline-block;
    font-size: 15px;
    font-weight: 900;
    color: var(--white);
    background: linear-gradient(135deg, var(--purple), var(--purple-dk));
    padding: 16px 36px;
    border-radius: var(--radius-md);
    white-space: nowrap;
    box-shadow: 0 6px 24px rgba(168,85,247,.4);
    transition: opacity .15s, transform .15s;
    flex-shrink: 0;
}
.btn-cta:hover { opacity: .9; transform: translateY(-2px); }

/* ════════════════════════════
   FEATURES
════════════════════════════ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    transition: border-color .15s, box-shadow .15s;
}
.feature-card:hover { border-color: var(--purple); box-shadow: 0 4px 16px rgba(168,85,247,.08); }

.feature-icon  { font-size: 28px; margin-bottom: 12px; }
.feature-title { font-size: 14px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.feature-desc  { font-size: 12px; color: var(--text-light); line-height: 1.7; }

/* ════════════════════════════
   PAYMENT
════════════════════════════ */
.payment-section {
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 55%, var(--navy-dk) 100%);
    border-radius: var(--radius-lg);
    padding: 44px 40px;
}

.payment-title {
    font-size: 26px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 32px;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 44px;
    align-items: center;
}

.payment-item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.payment-item img {
    width: 100%;
    max-height: 46px;
    object-fit: contain;
}

.payment-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px 52px;
}

.payment-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.pf-icon { font-size: 28px; flex-shrink: 0; }

.pf-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 6px;
}

.pf-desc {
    font-size: 13px;
    color: rgba(255,255,255,.55);
    line-height: 1.6;
}

/* ════════════════════════════
   LEGAL
════════════════════════════ */
.legal {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    font-size: 11.5px;
    color: var(--text-light);
    line-height: 1.8;
    text-align: center;
}

/* ════════════════════════════
   FOOTER
════════════════════════════ */
.footer {
    background: var(--navy);
    padding: 40px 24px 28px;
}

.footer-inner {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo-img {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    object-fit: cover;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    letter-spacing: .08em;
    text-transform: lowercase;
}

.footer-risk {
    font-size: 11px;
    color: rgba(255,255,255,.35);
    text-align: center;
    line-height: 1.7;
    max-width: 680px;
}

.footer-copy {
    font-size: 11px;
    color: rgba(255,255,255,.25);
    letter-spacing: .04em;
}

/* ════════════════════════════
   RESPONSIVE
════════════════════════════ */
@media (max-width: 860px) {
    .bonus-grid    { grid-template-columns: 1fr; }
    .cond-grid     { grid-template-columns: repeat(2, 1fr); }
    .feature-grid  { grid-template-columns: repeat(2, 1fr); }
    .payment-grid  { grid-template-columns: repeat(3, 1fr); }
    .payment-features { grid-template-columns: 1fr; }
    .cta-banner    { flex-direction: column; text-align: center; }
    .btn-cta       { width: 100%; text-align: center; }
}

@media (max-width: 520px) {
    .hero          { padding: 56px 20px 64px; }
    .register-card { padding: 26px 20px 22px; }
    .cond-grid     { grid-template-columns: repeat(2, 1fr); }
    .feature-grid  { grid-template-columns: repeat(2, 1fr); }
    .payment-grid  { grid-template-columns: repeat(2, 1fr); }
    .payment-section { padding: 32px 20px; }
    .cta-banner    { padding: 32px 24px; }
    .bonus-specs   { flex-direction: column; }
    .bonus-spec + .bonus-spec { border-left: none; border-top: 1px solid var(--gray-200); }
}