/*
Theme Name: Nagai Portfolio
Author: 長井 孝仁
Version: 1.3
*/


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

  :root {
    --ink: #1a1a18;
    --ink-muted: #6b6b65;
    --ink-faint: #a8a89e;
    --paper: #f5f2ec;
    --paper-warm: #ede9e0;
    --accent: #c0392b;
    --accent-light: #f8ecea;
    --gold: #b8860b;
    --border: rgba(26,26,24,0.12);
    --sans: 'Noto Sans JP', sans-serif;
    --serif: 'DM Serif Display', serif;
    --mono: 'Space Mono', monospace;
  }

  html { scroll-behavior: smooth; }
  body {
    font-family: var(--sans);
    background: var(--paper);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.75;
    overflow-x: hidden;
  }

  /* ===== HERO ===== */
  .hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    overflow: hidden;
  }
  .hero-left {
    background: #003d5c;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 64px;
    position: relative;
    overflow: hidden;
  }
  .hero-left .ocean-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    object-fit: cover;
  }
  .hero-left > *:not(.ocean-bg) {
    position: relative;
    z-index: 1;
  }
  .hero-left::after {
    content: '';
    position: absolute;
    top: 0; right: -1px;
    width: 2px;
    height: 100%;
    background: rgba(0,210,200,0.7);
  }
  .hero-eyebrow {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(0,230,210,0.9);
    text-transform: uppercase;
    margin-bottom: 32px;
  }
  .hero-name {
    font-family: var(--serif);
    font-size: clamp(48px, 5vw, 72px);
    line-height: 1.05;
    color: #ffffff;
    margin-bottom: 8px;
    text-shadow: 0 2px 20px rgba(0,40,60,0.5);
  }
  .hero-name-en {
    font-family: var(--serif);
    font-style: italic;
    font-size: clamp(20px, 2.5vw, 30px);
    color: rgba(180,240,235,0.55);
    margin-bottom: 40px;
  }
  .hero-role {
    font-size: 13px;
    font-weight: 500;
    color: rgba(245,242,236,0.85);
    line-height: 1.9;
    border-left: 2px solid rgba(0,220,200,0.8);
    padding-left: 20px;
  }
  .hero-role span {
    display: block;
    color: rgba(245,242,236,0.45);
    font-size: 11px;
    font-family: var(--mono);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
  }
  .hero-photo-wrap {
    margin-top: 48px;
    display: flex;
    align-items: center;
    gap: 20px;
  }
  .hero-photo {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 2px solid rgba(0,220,200,0.8);
    filter: grayscale(10%);
    box-shadow: 0 0 24px rgba(0,200,180,0.25);
  }
  .hero-photo-caption {
    font-family: var(--mono);
    font-size: 11px;
    color: rgba(245,242,236,0.35);
    letter-spacing: 0.08em;
    line-height: 1.6;
  }
  .hero-right {
    background: var(--paper-warm);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 64px;
  }
  .hero-summary {
    font-size: 15px;
    line-height: 1.9;
    color: var(--ink-muted);
    margin-bottom: 48px;
  }
  .hero-summary strong { color: var(--ink); font-weight: 500; }
  .kpi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
  }
  .kpi-item {
    background: var(--paper);
    padding: 24px 20px;
    position: relative;
  }
  .kpi-num {
    font-family: var(--serif);
    font-size: 36px;
    line-height: 1;
    color: var(--ink);
    margin-bottom: 4px;
  }
  .kpi-num sup { font-size: 16px; vertical-align: super; }
  .kpi-label {
    font-size: 11px;
    font-family: var(--mono);
    color: var(--ink-faint);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .kpi-accent { border-top: 3px solid var(--accent); }

  /* ===== NAV ===== */
  nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--ink);
    display: flex;
    align-items: center;
    gap: 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  nav a {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.15em;
    color: rgba(245,242,236,0.5);
    text-decoration: none;
    padding: 16px 24px;
    text-transform: uppercase;
    transition: color 0.2s, background 0.2s;
    border-right: 1px solid rgba(255,255,255,0.06);
  }
  nav a:hover { color: #f5f2ec; background: rgba(255,255,255,0.04); }
  nav .nav-accent { color: var(--accent); }

  /* ===== SECTIONS ===== */
  section { padding: 96px 0; }
  .container { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
  .section-label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .section-title {
    font-family: var(--serif);
    font-size: clamp(32px, 3.5vw, 48px);
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: 56px;
  }

  /* ===== CAREER TIMELINE ===== */
  #career { background: var(--paper-warm); }
  .timeline { position: relative; }
  .timeline::before {
    content: '';
    position: absolute;
    left: 220px;
    top: 0; bottom: 0;
    width: 1px;
    background: var(--border);
  }
  .tl-item { display: grid; grid-template-columns: 220px 1fr; gap: 0; margin-bottom: 0; }
  .tl-left {
    padding: 40px 40px 40px 0;
    text-align: right;
  }
  .tl-period {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-faint);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
  }
  .tl-company {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.4;
  }
  .tl-right { padding: 40px 0 40px 48px; border-top: 1px solid var(--border); position: relative; }
  .tl-right::before {
    content: '';
    position: absolute;
    left: -5px; top: 46px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--paper-warm);
    border: 2px solid var(--ink-faint);
  }
  .tl-item.highlight .tl-right::before { background: var(--accent); border-color: var(--accent); }
  .tl-role {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 8px;
  }
  .tl-desc {
    font-size: 14px;
    color: var(--ink-muted);
    margin-bottom: 20px;
    line-height: 1.8;
  }
  .tl-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .tag {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    background: var(--paper);
    border: 1px solid var(--border);
    color: var(--ink-muted);
    text-transform: uppercase;
  }
  .tag-red {
    background: var(--accent-light);
    border-color: rgba(192,57,43,0.2);
    color: var(--accent);
  }

  /* ===== ACHIEVEMENTS ===== */
  #achievements { background: var(--paper); }
  .ach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); }
  .ach-card {
    background: var(--paper);
    padding: 40px 32px;
    transition: background 0.2s;
  }
  .ach-card:hover { background: var(--paper-warm); }
  .ach-num {
    font-family: var(--serif);
    font-size: 48px;
    line-height: 1;
    color: var(--accent);
    margin-bottom: 12px;
  }
  .ach-title { font-size: 15px; font-weight: 500; color: var(--ink); margin-bottom: 10px; }
  .ach-desc { font-size: 13px; color: var(--ink-muted); line-height: 1.75; }

  /* ===== SKILLS ===== */
  #skills { background: var(--ink); }
  #skills .section-title { color: #f5f2ec; }
  .skills-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
  .skill-group-title {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .skill-list { list-style: none; }
  .skill-list li {
    font-size: 14px;
    color: rgba(245,242,236,0.7);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .skill-list li::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
  }
  .tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
  }
  .tool-badge {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    padding: 5px 12px;
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(245,242,236,0.5);
    background: rgba(255,255,255,0.03);
  }

  /* ===== CREDENTIALS ===== */
  #credentials { background: var(--paper-warm); }
  .cred-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
  .cred-section-title {
    font-size: 13px;
    font-weight: 500;
    font-family: var(--mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 20px;
  }
  .cred-list { list-style: none; }
  .cred-list li {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--ink-muted);
  }
  .cred-list li:last-child { border-bottom: none; }
  .cred-year {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--ink-faint);
    flex-shrink: 0;
    min-width: 40px;
  }

  /* ===== CONTACT ===== */
  #contact {
    background: var(--ink);
    text-align: center;
    padding: 120px 0;
  }
  #contact .section-title { color: #f5f2ec; margin-bottom: 24px; }
  .contact-sub {
    font-size: 15px;
    color: rgba(245,242,236,0.45);
    margin-bottom: 48px;
    font-family: var(--mono);
    letter-spacing: 0.06em;
  }
  .contact-links { display: flex; justify-content: center; gap: 2px; }
  .contact-link {
    display: inline-block;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245,242,236,0.6);
    text-decoration: none;
    padding: 14px 28px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.2s;
  }
  .contact-link:hover {
    background: rgba(255,255,255,0.05);
    color: #f5f2ec;
  }
  .contact-link.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
  }
  .contact-link.primary:hover { background: #a93226; }

  /* ===== FOOTER ===== */
  footer {
    background: #111110;
    padding: 24px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  footer p {
    font-family: var(--mono);
    font-size: 11px;
    color: rgba(245,242,236,0.2);
    letter-spacing: 0.08em;
  }


  /* ===== VIDEO WORKS ===== */
  #video { background: var(--ink); }
  #video .section-title { color: #f5f2ec; }
  #video .section-label { color: var(--accent); }
  .video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: rgba(255,255,255,0.06);
    margin-bottom: 64px;
  }
  .video-card {
    background: #111110;
    display: flex;
    flex-direction: column;
    transition: background 0.2s;
  }
  .video-card:hover { background: #1e1e1c; }
  .video-thumb {
    aspect-ratio: 16/9;
    background: #222220;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }
  .video-play-icon {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1.5px solid rgba(245,242,236,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .video-play-icon::after {
    content: '';
    width: 0; height: 0;
    border-style: solid;
    border-width: 7px 0 7px 13px;
    border-color: transparent transparent transparent rgba(245,242,236,0.35);
    margin-left: 3px;
  }
  .video-thumb-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
  .video-thumb-label {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.12em;
    color: rgba(245,242,236,0.2);
    text-transform: uppercase;
    text-align: center;
    padding: 0 16px;
  }
  .video-body { padding: 20px 20px 24px; flex: 1; }
  .video-category {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .video-title {
    font-size: 14px;
    font-weight: 500;
    color: rgba(245,242,236,0.9);
    margin-bottom: 8px;
    line-height: 1.5;
  }
  .video-desc {
    font-size: 12px;
    color: rgba(245,242,236,0.4);
    line-height: 1.75;
    margin-bottom: 10px;
  }
  .video-meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 10px;
  }
  .video-tag {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.08em;
    padding: 3px 8px;
    border: 1px solid rgba(255,255,255,0.08);
    color: rgba(245,242,236,0.3);
    text-transform: uppercase;
  }
  .video-link {
    display: inline-block;
    margin-top: 10px;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(192,57,43,0.3);
    padding-bottom: 1px;
    transition: border-color 0.2s;
  }
  .video-link:hover { border-color: var(--accent); }
  .cm-section {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 48px;
  }
  .cm-section-title {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(245,242,236,0.3);
    text-transform: uppercase;
    margin-bottom: 24px;
  }
  .cm-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
  }
  .cm-item {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.05em;
    color: rgba(245,242,236,0.45);
    padding: 7px 14px;
    border: 1px solid rgba(255,255,255,0.07);
  }
  .cm-item.cannes {
    border-color: rgba(192,57,43,0.35);
    color: rgba(192,57,43,0.7);
  }
  .cm-note {
    font-size: 12px;
    color: rgba(245,242,236,0.25);
    font-family: var(--mono);
    letter-spacing: 0.05em;
  }

  /* ===== MEDIA ===== */
  @media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; }
    .hero-left { padding: 64px 32px; min-height: 60vh; }
    .hero-right { padding: 64px 32px; }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .timeline::before { left: 0; }
    .tl-item { grid-template-columns: 1fr; }
    .tl-left { text-align: left; padding: 32px 0 0; }
    .tl-right { padding-left: 24px; }
    .ach-grid { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: 1fr; }
    .skills-layout { grid-template-columns: 1fr; gap: 40px; }
    .cred-grid { grid-template-columns: 1fr; }
    .container { padding: 0 24px; }
    nav { overflow-x: auto; }
  }