@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
    --bg:       #ffffff;
    --bg-sub:   #f5f4f0;
    --bg-card:  #fafaf8;
    --fg:       #111111;
    --fg-sub:   #444444;
    --muted:    #767676;
    --border:   #e0ddd7;
    --accent:   #d94f00;
    --accent-bg:#fff3ee;
    --font-sans: 'Space Grotesk', 'Noto Sans JP', sans-serif;
    --font-jp:   'Noto Sans JP', sans-serif;
    --radius:    6px;
}

html {
    font-size: 16px;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-jp);
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 40px;
}

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

/* ─── HEADER ──────────────────────────────── */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0 16px;

}

.logo-wrap {
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-decoration: none;
    color: var(--fg);
}

.logo-main {
    font-family: var(--font-jp);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1;
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    display: none;
}

nav {
    display: flex;
    gap: 4px;
    align-items: center;
}

nav a {
    font-family: var(--font-jp);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--fg-sub);
    padding: 8px 14px;
    border-radius: var(--radius);
    transition: background 0.15s, color 0.15s;
    letter-spacing: 0.02em;
}

nav a:hover {
    background: var(--bg-sub);
    color: var(--fg);
}

nav a.active {
    background: var(--fg);
    color: var(--bg);
}

main { padding: 0 0 80px; }

/* ─── HERO / IDENTITY ─────────────────────── */
.identity-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.id-tag {
    font-family: var(--font-jp);
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1.5px solid var(--border);
    color: var(--fg-sub);
    padding: 5px 12px;
    border-radius: 100px;
    background: var(--bg);
    transition: all 0.15s;
}

.id-tag.highlight {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-bg);
}

.id-alias {
    margin-left: auto;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.08em;
}

/* ─── SOCIAL ──────────────────────────────── */
.social-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.social-bar a {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--muted);
    padding: 5px 12px;
    border: 1.5px solid var(--border);
    border-radius: 100px;
    transition: all 0.15s;
    letter-spacing: 0.05em;
}

.social-bar a:hover {
    border-color: var(--fg);
    color: var(--fg);
    background: var(--bg-sub);
}

/* ─── FILTERS ─────────────────────────────── */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px 0 16px;
}

.filter-btn {
    font-family: var(--font-jp);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1.5px solid var(--border);
    background: var(--bg);
    color: var(--fg-sub);
    padding: 7px 18px;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.15s;
    letter-spacing: 0.02em;
}

.filter-btn:hover {
    border-color: var(--fg);
    color: var(--fg);
    background: var(--bg-sub);
}

.filter-btn.active {
    background: var(--fg);
    color: var(--bg);
    border-color: var(--fg);
}

/* ─── GRID ────────────────────────────────── */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 8px;
}

.work-item {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow 0.2s, border-color 0.2s;
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.work-item:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border-color: #c8c4bc;
}

.work-item[data-hidden="true"] { display: none; }

.work-trigger { cursor: pointer; }

/* Thumb */
.thumb-wrap {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--bg-sub);
}

.thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.work-item:hover .thumb-wrap img {
    transform: scale(1.03);
    object-fit: contain;
}

.thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-sub);
}

.thumb-placeholder span {
    font-family: var(--font-jp);
    font-size: 0.8125rem;
    color: var(--muted);
    border: 1.5px solid var(--border);
    padding: 6px 14px;
    border-radius: 100px;
}

/* Work info */
.work-info {
    padding: 14px 16px 16px;
    border-top: 1px solid var(--border);
}

.work-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.work-tag {
    font-family: var(--font-jp);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.02em;
}

.work-date {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.04em;
}

.work-title {
    font-family: var(--font-jp);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.55;
    color: var(--fg);
}

/* Accordion */
.work-detail {
    grid-column: 1 / span 3;
    max-height: 0;
    overflow: hidden;
    background: var(--bg-sub);
    border: 1.5px solid transparent;
    border-radius: var(--radius);
    transition: max-height 0.6s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s;
}

.work-item.is-active .work-detail {
    max-height: 500px;
    border-color: var(--border);
    margin-bottom: 4px;
}

.detail-inner {
    padding: 24px 28px;
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.detail-text {
    flex: 1;
    font-family: var(--font-jp);
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--fg-sub);
}

.detail-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-jp);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-bg);
    border: 1.5px solid var(--accent);
    padding: 10px 20px;
    border-radius: var(--radius);
    white-space: nowrap;
    transition: all 0.15s;
    margin-top: 2px;
}

.detail-link:hover {
    background: var(--accent);
    color: #fff;
}

.empty-msg {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    font-size: 0.9375rem;
    color: var(--muted);
}

/* ─── PROFILE ─────────────────────────────── */
.profile-page {
    padding: 40px 0 80px;
}

.profile-header {
    padding-bottom: 32px;
    margin-bottom: 40px;
}

.p-name {
    font-family: var(--font-jp);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.2;
}

.p-kana {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--muted);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.p-alias {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--muted);
    border-left: 3px solid var(--accent);
    padding-left: 12px;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.role-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.role-tag {
    font-family: var(--font-jp);
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1.5px solid var(--border);
    color: var(--fg-sub);
    padding: 5px 14px;
    border-radius: 100px;
    background: var(--bg);
}

.role-tag.featured {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-bg);
}

/* Timeline */
.timeline-section { }

.section-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.timeline { }

.tl-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    align-items: baseline;
    border-radius: var(--radius);
    transition: background 0.15s;
}

.tl-item:hover {
    background: var(--bg-sub);
}

.tl-item.highlight .tl-date {
    color: var(--accent);
    font-weight: 600;
}

.tl-item.highlight .tl-body {
    color: var(--fg);
    font-weight: 500;
}

.tl-date {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--muted);
    letter-spacing: 0.04em;
    white-space: nowrap;
    padding-top: 2px;
}

.tl-body {
    font-family: var(--font-jp);
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--fg-sub);
}

.tl-link {
    color: var(--accent);
    font-style: normal;
    border-bottom: 1px solid rgba(217, 79, 0, 0.3);
}

/* ─── PURPOSE ─────────────────────────────── */
.purpose-page {
    padding: 40px 0 80px;
}

.purpose-heading {
    padding-bottom: 32px;

    margin-bottom: 40px;
}

.purpose-en {
    font-family: var(--font-sans);
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.1;
    margin-bottom: 8px;
}

.purpose-ja {
    font-family: var(--font-jp);
    font-size: 1rem;
    color: var(--muted);
}

.purpose-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.purpose-block {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.purpose-block:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.pb-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 12px;
}

.pb-title {
    font-family: var(--font-jp);
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--fg);
    margin-bottom: 14px;
}

.pb-text {
    font-family: var(--font-jp);
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--fg-sub);
}

/* ─── CONTACT ─────────────────────────────── */
.contact-section {
    padding: 40px 0 80px;
    max-width: 600px;
}

.contact-lead {
    font-family: var(--font-jp);
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 12px;
    letter-spacing: 0.04em;
}

.contact-email {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--fg);
    border-bottom: 3px solid var(--accent);
    padding-bottom: 4px;
    margin-bottom: 32px;
    letter-spacing: 0.02em;
    transition: color 0.15s;
}

.contact-email:hover { color: var(--accent); }

.contact-desc {
    font-family: var(--font-jp);
    font-size: 0.9375rem;
    color: var(--fg-sub);
    margin-bottom: 28px;
    line-height: 1.7;
}

.contact-social {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.contact-social a {
    font-family: var(--font-jp);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
    border: 1.5px solid var(--accent);
    padding: 8px 18px;
    border-radius: 100px;
    transition: all 0.2s;
}

.contact-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-bg);
    box-shadow: 0 0 12px rgba(217, 79, 0, 0.35), 0 0 28px rgba(217, 79, 0, 0.15);
}

/* ─── FOOTER ──────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer span {
    font-family: var(--font-jp);
    font-size: 0.875rem;
    color: var(--muted);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--muted);
    letter-spacing: 0.05em;
    transition: color 0.15s;
}

.footer-links a:hover { color: var(--fg); }

/* ─── ANIMATIONS ──────────────────────────── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

header    { animation: fadeUp 0.5s 0s   cubic-bezier(0.16, 1, 0.3, 1) both; }
.identity-bar { animation: fadeUp 0.5s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both; }
.social-bar   { animation: fadeUp 0.5s 0.15s cubic-bezier(0.16, 1, 0.3, 1) both; }
.filters  { animation: fadeUp 0.5s 0.2s cubic-bezier(0.16, 1, 0.3, 1) both; }
.profile-page { animation: fadeUp 0.5s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both; }
.purpose-page { animation: fadeUp 0.5s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both; }
.contact-section { animation: fadeUp 0.5s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both; }
footer    { animation: fadeUp 0.5s 0.3s cubic-bezier(0.16, 1, 0.3, 1) both; }

/* ─── RESPONSIVE ──────────────────────────── */
@media (max-width: 960px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
    .work-detail { grid-column: 1 / span 2; }
    .purpose-blocks { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    body { padding: 0 20px; }
    .grid { grid-template-columns: 1fr; }
    .work-detail { grid-column: 1 / span 1; }
    .purpose-blocks { grid-template-columns: 1fr; }
    .tl-item { grid-template-columns: 1fr; gap: 4px; }
    nav a { font-size: 0.8125rem; padding: 6px 10px; }
    .logo-main { font-size: 1.05rem; }
    .detail-inner { flex-direction: column; }
    .contact-email { font-size: 1.125rem; }
}

/* ─── PURPOSE BANNER (profile page) ──────── */
.purpose-link-banner {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--fg);
    color: var(--bg);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 28px 0 40px;
    text-decoration: none;
    transition: background 0.15s;
}

.purpose-link-banner:hover {
    background: var(--accent);
}

.plb-label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.55;
}

.plb-text {
    font-family: var(--font-jp);
    font-size: 1.0625rem;
    font-weight: 700;
}