@charset "UTF-8";

:root {
    --docomo-red: #d7000f;
    --docomo-red-dark: #b1000d;
    --ink: #111827;
    --ink-weak: #4b5563;
    --bg: #ffffff;
    --bg-alt: #fff7f8;
    --line: #e5e7eb;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: "Noto Sans JP", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

a {
    color: var(--docomo-red);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: min(1080px, 100%);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 72px 0;
    position: relative;
}

.section.alt {
    background: linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
}

.eyebrow {
    display: inline-block;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .08em;
    color: var(--docomo-red);
    text-transform: uppercase;
}

h1 {
    font-size: clamp(28px, 3.2vw + 8px, 44px);
    line-height: 1.2;
    margin: 16px 0 12px;
}

h2 {
    font-size: clamp(22px, 2.4vw + 8px, 32px);
    line-height: 1.25;
    margin: 0 0 16px;
    position: relative;
}

h2:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 72px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--docomo-red), #ff758f);
}

p.lead {
    font-size: 16px;
    color: var(--ink-weak);
    line-height: 1.8;
    margin: 8px 0 0;
}

.tiny {
    font-size: 12px;
    color: var(--ink-weak);
    line-height: 1.6;
}

.paren {
    font-size: 0.84em;
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 700;
    cursor: pointer;
    transition: transform .05s ease, box-shadow .2s ease, background .2s ease;
    text-align: center;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: radial-gradient(120% 120% at 50% 0%, #ff4d67 0%, var(--docomo-red) 60%);
    color: #fff;
    box-shadow: 0 10px 24px rgba(215, 0, 15, .35), 0 0 0 0 rgba(215, 0, 15, .4);
    animation: cta-pulse 2.4s ease-in-out infinite;
}

.btn-primary:hover {
    background: radial-gradient(120% 120% at 50% 0%, #ff3b57 0%, var(--docomo-red-dark) 60%);
    text-decoration: none;
}

.btn-secondary {
    background: #fff;
    color: var(--docomo-red);
    border-color: var(--docomo-red);
}

@keyframes cta-pulse {
    0% {
        box-shadow: 0 10px 24px rgba(215, 0, 15, .35), 0 0 0 0 rgba(215, 0, 15, .25);
    }

    70% {
        box-shadow: 0 10px 24px rgba(215, 0, 15, .35), 0 0 0 12px rgba(215, 0, 15, 0);
    }

    100% {
        box-shadow: 0 10px 24px rgba(215, 0, 15, .35), 0 0 0 0 rgba(215, 0, 15, 0);
    }
}

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(900px 420px at 85% -10%, #ffd6dc 0%, transparent 60%),
        radial-gradient(600px 300px at -10% 110%, #ffe8ec 0%, transparent 60%),
        linear-gradient(140deg, #fff 0%, #fff 40%, #fff0f2 70%, #ffe1e6 100%);
    isolation: isolate;
}

.hero::before {
    content: "";
    position: absolute;
    inset: -20% -15% auto auto;
    width: 60vw;
    height: 60vw;
    max-width: 900px;
    max-height: 900px;
    background: radial-gradient(closest-side, rgba(215, 0, 15, .20), rgba(215, 0, 15, 0));
    filter: blur(40px);
    transform: translate(10%, -10%) rotate(12deg);
    z-index: -1;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, .0) 0, rgba(255, 255, 255, .0) 12px, rgba(255, 255, 255, .25) 12px, rgba(255, 255, 255, .25) 13px), radial-gradient(80px 80px at 10% 10%, rgba(255, 255, 255, .35), transparent 60%);
    pointer-events: none;
    mix-blend-mode: overlay;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 24px;
    align-items: center;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 14px 0 18px;
}

.badge {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(17, 24, 39, .06);
}

.point-badge {
    background: #ffe8ea;
    color: var(--docomo-red);
    border: 1px dashed var(--docomo-red);
}

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
}

@media screen and (max-width: 768px) {
    .hero-cta {
        justify-content: center;
    }
}

.kv {
    width: 100%;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 24px 48px rgba(0, 0, 0, .06);
    transform: rotate(-1deg);
}

.kv:hover {
    transform: rotate(0deg) scale(1.01);
    transition: transform .2s ease;
}

/* Decorative waves */
.wave {
    position: relative;
    height: 56px;
    margin-top: -56px;
}

.wave svg {
    display: block;
    width: 100%;
    height: 56px;
}

/* Benefits */
.benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.benefit {
    background: radial-gradient(600px 220px at 10% -20%, #fff5f6, #fff);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 8px 18px rgba(17, 24, 39, .05);
}

.benefit h3 {
    margin: 0 0 8px;
    font-size: 18px;
}

/* Compare */
@media screen and (min-width: 767px) {
    .compare-table {
        width: 100%;
        border-collapse: collapse;
        border: 1px solid var(--line);
        border-radius: 12px;
        overflow: hidden;
        background: #fff;
        box-shadow: 0 8px 18px rgba(17, 24, 39, .05);
    }

    .compare-table th,
    .compare-table td {
        padding: 14px 12px;
        border-bottom: 1px solid var(--line);
        text-align: left;
        vertical-align: top;
    }

    .compare-table th {
        background: #f9fafb;
        font-size: 14px;
    }

    .compare-table tr:last-child td {
        border-bottom: none;
    }

    .th02after {
        width: 27%;
    }
}

@media screen and (max-width: 768px) {
    .td01 {
        background: #f9fafb;
        font-weight: bold;
        text-align: center;
        display: block;
    }

    .tr01 {
        display: none;
    }

    td {
        border: 1px solid #DDD;
        padding: 15px;
        text-align: center;
        display: block;
        border-bottom: none;
        width: 100%;
        text-align: left;
        display: flex;
        align-items: center;
        background-color: #fff;
    }

    .td02orless {
        &::before {
            content: attr(data-label);
            display: block;
            margin: 0 10px 0 0;
            height: 100%;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 800;
            width: 100px;
            text-align: center;
        }
    }

    .td02orless--i {
        &::before {
            content: attr(data-label);
            background: #eef2ff;
        }
    }

    .td02orless--m {
        &::before {
            content: attr(data-label);
            background: #fee2e2;
        }
    }

    .td02orless--pm {
        &::before {
            content: attr(data-label);
            background: #fef9c3;
        }
    }

    .compare-table tr:last-child td.td02orless--pm {
        border-bottom: 1px solid #DDD;
    }

    .compare-table p {
        width: 80%;
    }
}

@media screen and (max-width: 468px) {
    .compare-table p {
        width: 70%;
    }
}

.chip {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    background: #eef2ff;
}

.chip.red {
    background: #fee2e2;
}

.chip.yellow {
    background: #fef9c3;
}

ul {
    list-style: none;
    padding-left: 0;
}

li,
.notes_indent {
    padding-left: 1.2em;
    text-indent: -1.2em;
    line-height: 1.6em;
    margin: 10px 0 10px 0;
}


/* Testimonials */
.reviews {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.review {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 8px 18px rgba(17, 24, 39, .05);
}

@media screen and (max-width: 768px) {
    .reviews {
        margin-bottom: 16px;
    }

    .review {
        margin-top: 0;
        margin-bottom: 0;
    }
}

/* Steps */
.steps {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 22px rgba(17, 24, 39, .05);
}

.steps h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.steps ol {
    margin: 10px 0 0 18px;
    padding: 0;
    line-height: 1.9;
    color: var(--ink-weak);
    font-weight: 600;
}

.steps .cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
}

@media screen and (max-width: 768px) {
    .steps .cta {
        justify-content: center;
    }
}

/* FAQ */
details {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px 16px;
    box-shadow: 0 6px 14px rgba(17, 24, 39, .04);
}

details+details {
    margin-top: 10px;
}

summary {
    cursor: pointer;
    font-weight: 700;
}

/* Sticky CTA (SP) */
.sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    z-index: 50;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, .9);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, .06);
}

.sticky-cta .inner {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
}

.sticky-cta .label {
    font-size: 12px;
    color: var(--ink-weak);
}

@media screen and (max-width: 768px) {
    .sticky-cta .label {
        width: 60%;
    }
}

/* Footer notes */
.notes {
    font-size: 12px;
    color: var(--ink-weak);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .benefits {
        grid-template-columns: 1fr;
    }

    .reviews {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 56px 0;
    }

    .sticky-cta {
        display: block;
    }

    footer.section {
        padding-bottom: 80px;
    }
}

@media screen and (max-width: 768px) {
    .section {
        padding: 36px 0;
    }

    footer.section {
        padding-bottom: 76px;
    }
}

.mt0 {
    margin-top: 0;
}

.mb0 {
    margin-bottom: 0;
}