/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        "Hiragino Sans", "Yu Gothic", "Meiryo", "Noto Sans JP", sans-serif;
    background:
        radial-gradient(circle at top, #211b3a 0, #05040a 50%, #02010a 100%);
    color: #f5f5f5;
}

/* Subtle noise */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.12;
    mix-blend-mode: soft-light;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='noStitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/%3E%3C/svg%3E");
    z-index: 0;
}

/* Soft background shapes */
.bg-orbit {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(circle at 20% 0%, rgba(180, 120, 255, 0.28) 0, transparent 55%),
        radial-gradient(circle at 80% 100%, rgba(80, 180, 255, 0.18) 0, transparent 55%);
    opacity: 0.9;
}

/* Layout */
.page {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 1.75rem 4rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    backdrop-filter: blur(14px);
    background: linear-gradient(
        to bottom,
        rgba(3, 3, 10, 0.98),
        rgba(3, 3, 12, 0.8),
        transparent
    );
    border-bottom: 1px solid rgba(120, 100, 190, 0.35);
}

.site-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.75rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

.logo-mark {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: radial-gradient(circle, rgba(180, 120, 255, 0.3), transparent);
    animation: mark-pulse 3.6s ease-in-out infinite;
}

.logo-ring {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(200, 150, 255, 0.7);
    box-shadow: 0 0 12px rgba(180, 120, 255, 0.55);
}

.logo-core {
    position: absolute;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #e9d3ff;
    box-shadow: 0 0 16px rgba(220, 180, 255, 0.95);
}

.logo-title {
    font-size: 1rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.logo-sub {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #a7a1d0;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.85rem;
}

.nav-link {
    text-decoration: none;
    color: #d6d2ff;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 0.15rem;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #f5e1ff, #7f6aff);
    transition: width 0.2s ease-out;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
    margin-bottom: 4.5rem;
}

.hero-text {
    max-width: 32rem;
}

.hero-eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #b9b3ea;
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: clamp(2.1rem, 4vw, 2.7rem);
    line-height: 1.1;
    margin-bottom: 0.9rem;
}

.hero-lead {
    font-size: 0.98rem;
    line-height: 1.8;
    color: #d2cee9;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.hero-button {
    border-radius: 999px;
    border: 1px solid transparent;
    padding: 0.55rem 1.4rem;
    font-size: 0.85rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: default;
    white-space: nowrap;
}

.hero-button-primary {
    background: radial-gradient(circle at top left, #f5e1ff, #7f6aff);
    color: #0a0716;
    box-shadow: 0 0 22px rgba(120, 90, 255, 0.45);
    opacity: 0.86;
}

.hero-button-primary[disabled] {
    cursor: not-allowed;
}

.hero-button-ghost {
    background: rgba(10, 6, 30, 0.6);
    border-color: rgba(155, 140, 235, 0.9);
    color: #e6e1ff;
    text-decoration: none;
    cursor: pointer;
}

.hero-button-ghost:hover {
    background: rgba(35, 25, 80, 0.9);
}

.hero-status {
    margin-top: 0.7rem;
}

.hero-status-label {
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #a396d8;
    display: block;
    margin-bottom: 0.4rem;
}

.status-bar {
    position: relative;
    width: 100%;
    max-width: 320px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        rgba(80, 70, 140, 0.5),
        rgba(30, 20, 70, 0.4)
    );
    overflow: hidden;
}

.status-bar-fill {
    position: absolute;
    inset: 0;
    transform-origin: left;
    background: linear-gradient(
        90deg,
        #f5e1ff,
        #c59dff,
        #806bff,
        #f5e1ff
    );
    background-size: 200% 100%;
    animation: status-flow 4.2s ease-in-out infinite;
}

.hero-status-text {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.85rem;
    color: #bcb4e3;
}

/* Hero sigil */
.hero-orbit {
    position: relative;
    width: min(360px, 80vw);
    aspect-ratio: 1 / 1;
    margin-inline: auto;
    display: grid;
    place-items: center;
}

.sigil {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(180, 150, 255, 0.32);
    box-shadow: 0 0 20px rgba(150, 110, 255, 0.35);
}

.sigil-outer {
    width: 100%;
    height: 100%;
    animation: sigil-rotate-slow 40s linear infinite;
}

.sigil-middle {
    width: 70%;
    height: 70%;
    animation: sigil-rotate-fast 26s linear infinite reverse;
}

.sigil-inner {
    width: 40%;
    height: 40%;
    border-style: dashed;
    border-width: 1px;
    border-color: rgba(235, 210, 255, 0.6);
}

.sigil-center {
    width: 11%;
    height: 11%;
    border-radius: 50%;
    background: radial-gradient(circle, #f5e1ff, #7f6aff);
    box-shadow: 0 0 32px rgba(225, 190, 255, 0.9);
}

.sigil-label {
    position: absolute;
    bottom: -2.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #a7a1d5;
}

/* Sections */
.section {
    margin-bottom: 4rem;
}

.section-header {
    margin-bottom: 1.75rem;
    max-width: 40rem;
}

.section-title {
    font-size: 1.4rem;
    margin-bottom: 0.4rem;
}

.section-subtitle {
    font-size: 0.95rem;
    color: #c6c3e4;
    line-height: 1.7;
}

.section-note {
    margin-top: 1.4rem;
    font-size: 0.85rem;
    color: #a7a2cc;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.about-card {
    border-radius: 1.1rem;
    border: 1px solid rgba(120, 100, 200, 0.5);
    background: radial-gradient(circle at top left, rgba(55, 35, 95, 0.85), rgba(6, 4, 18, 0.96));
    box-shadow: 0 0 32px rgba(24, 18, 60, 0.9);
    padding: 1.35rem 1.4rem;
}

.about-card-title {
    font-size: 1rem;
    margin-bottom: 0.55rem;
}

.about-card-body {
    font-size: 0.9rem;
    color: #e2dfff;
    line-height: 1.7;
}

/* Stories */
.story-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.story-card {
    border-radius: 1.1rem;
    border: 1px solid rgba(105, 92, 190, 0.7);
    background: radial-gradient(circle at top, rgba(60, 40, 115, 0.96), rgba(5, 3, 14, 0.98));
    padding: 1.35rem 1.4rem 1.4rem;
}

.story-chip {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    border: 1px solid rgba(230, 210, 255, 0.8);
    padding: 0.2rem 0.7rem;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.55rem;
    color: #f0e9ff;
}

.story-title {
    font-size: 1rem;
    margin-bottom: 0.55rem;
}

.story-body {
    font-size: 0.9rem;
    color: #e5e1ff;
    line-height: 1.7;
}

/* Timeline */
.timeline {
    list-style: none;
    border-left: 1px solid rgba(110, 100, 190, 0.7);
    margin-left: 0.75rem;
    padding-left: 1.25rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 1.6rem;
    padding-left: 0.2rem;
}

.timeline-badge {
    position: absolute;
    left: -1.28rem;
    top: 0.2rem;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 2px solid rgba(210, 190, 255, 0.9);
    background: #05020c;
}

.timeline-item-done .timeline-badge {
    background: radial-gradient(circle, #f5e1ff, #7f6aff);
    box-shadow: 0 0 12px rgba(200, 175, 255, 0.9);
}

.timeline-item-active .timeline-badge {
    background: radial-gradient(circle, #ffecc4, #ffb864);
    box-shadow: 0 0 14px rgba(255, 198, 120, 0.9);
}

.timeline-title {
    font-size: 0.98rem;
    margin-bottom: 0.25rem;
}

.timeline-text {
    font-size: 0.9rem;
    color: #cbc7e6;
    line-height: 1.7;
}

/* Contact / info */
.contact-box {
    border-radius: 1rem;
    border: 1px dashed rgba(190, 175, 255, 0.9);
    background: linear-gradient(
        135deg,
        rgba(35, 24, 70, 0.96),
        rgba(10, 7, 22, 0.98)
    );
    padding: 1.4rem 1.5rem;
    max-width: 40rem;
}

.contact-line {
    font-size: 0.95rem;
    margin-bottom: 0.6rem;
    color: #efe8ff;
}

.contact-note {
    font-size: 0.85rem;
    color: #b9b3e0;
    line-height: 1.7;
}

/* Footer */
.site-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(75, 65, 140, 0.8);
    background: radial-gradient(circle at top, rgba(20, 10, 55, 0.95), #030208);
}

.site-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.4rem 1.75rem 1.6rem;
    font-size: 0.8rem;
    color: #9a95c5;
}

.footer-copy {
    margin-bottom: 0.35rem;
}

.footer-note {
    font-size: 0.78rem;
    color: #7e79a6;
}

/* Animations */
@keyframes mark-pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 0.9;
    }
    50% {
        transform: scale(1.06);
        opacity: 1;
    }
}

@keyframes status-flow {
    0% {
        transform: scaleX(0.25) translateX(0%);
        background-position: 0% 50%;
    }
    50% {
        transform: scaleX(0.75) translateX(18%);
        background-position: 100% 50%;
    }
    100% {
        transform: scaleX(0.25) translateX(100%);
        background-position: 0% 50%;
    }
}

@keyframes sigil-rotate-slow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes sigil-rotate-fast {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(-360deg);
    }
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.75rem;
    }

    .hero-orbit {
        order: -1;
    }
}

@media (max-width: 720px) {
    .site-header-inner {
        padding-inline: 1.25rem;
        gap: 0.75rem;
    }

    .nav {
        gap: 0.9rem;
        font-size: 0.76rem;
    }

    .page {
        padding-inline: 1.25rem;
        padding-top: 5rem;
    }

    .about-grid,
    .story-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 480px) {
    .nav {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-orbit {
        width: min(280px, 90vw);
    }
}