:root {
    --bg: #17120f;
    --ink: #211915;
    --sumi: #0f0d0b;
    --paper: #f4ead8;
    --paper-deep: #e3d1b6;
    --text: #fff8ea;
    --dark-text: #211915;
    --muted: #c8b99e;
    --muted-dark: #6f604c;
    --line: rgba(244, 234, 216, 0.22);
    --line-dark: rgba(33, 25, 21, 0.2);
    --ai: #184c57;
    --shu: #b8422b;
    --kin: #c49a45;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
          radial-gradient(circle at 12% 18%, rgba(196, 154, 69, 0.12), transparent 26%),
          radial-gradient(circle at 88% 12%, rgba(184, 66, 43, 0.1), transparent 24%),
          linear-gradient(135deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%) 0 0 / 26px 26px,
          var(--bg);
    color: var(--text);
    font-family: "Yu Mincho", "Hiragino Mincho ProN", "Yu Gothic", serif;
    line-height: 1.9;
}

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

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px clamp(20px, 5vw, 72px);
    background: rgba(23, 18, 15, 0.9);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
}

.logo {
    position: relative;
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.logo::after {
    position: absolute;
    right: -18px;
    bottom: 2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--shu);
    content: "";
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(14px, 3vw, 32px);
    color: var(--muted);
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 700;
}

.nav a {
    transition: color 0.2s ease;
}

.nav a:hover {
    color: var(--kin);
}

.hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    align-items: center;
    gap: clamp(36px, 7vw, 96px);
    min-height: calc(100vh - 70px);
    padding: clamp(64px, 9vw, 118px) clamp(20px, 5vw, 72px) 56px;
    overflow: hidden;
}

.hero::before {
    position: absolute;
    inset: 36px clamp(18px, 4vw, 56px);
    z-index: -1;
    border: 1px solid rgba(196, 154, 69, 0.28);
    border-radius: 2px;
    content: "";
}

.hero::after {
    position: absolute;
    right: clamp(26px, 8vw, 120px);
    top: 12%;
    z-index: -1;
    width: 1px;
    height: 72%;
    background: linear-gradient(transparent, rgba(196, 154, 69, 0.55), transparent);
    content: "";
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--kin);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p,
dd {
    overflow-wrap: anywhere;
}

h1 {
    margin: 0;
    max-width: 780px;
    font-size: clamp(44px, 7.2vw, 98px);
    font-weight: 900;
    letter-spacing: 0.02em;
    line-height: 1.1;
    text-shadow: 0 1px 0 rgba(196, 154, 69, 0.28);
}

h1 span {
    color: var(--shu);
}

.lead {
    max-width: 720px;
    margin: 30px 0 0;
    color: var(--muted);
    font-size: clamp(16px, 2vw, 20px);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 12px 24px;
    border: 1px solid currentColor;
    border-radius: 2px;
    font-weight: 800;
    line-height: 1.2;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button.primary {
    background: var(--paper);
    color: var(--dark-text);
}

.button.secondary {
    background: transparent;
    color: var(--paper);
}

.hero-visual {
    display: grid;
    place-items: center;
}

.visual-card {
    width: min(100%, 500px);
    overflow: hidden;
    border: 1px solid rgba(244, 234, 216, 0.3);
    border-radius: 2px;
    background: var(--ink);
    box-shadow: 18px 18px 0 rgba(184, 66, 43, 0.78);
}

.visual-card img {
    filter: sepia(0.2) saturate(0.86);
}

.ticker {
    overflow: hidden;
    border-block: 1px solid var(--line);
    background: var(--paper);
    color: var(--dark-text);
}

.ticker-track {
    display: flex;
    width: max-content;
    animation: slide 24s linear infinite;
}

.ticker span {
    padding: 14px 28px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(21px, 3.6vw, 42px);
    font-weight: 900;
    letter-spacing: 0.04em;
}

.section {
    padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px);
}

.section-heading {
    max-width: 980px;
    margin-bottom: 38px;
}

h2 {
    margin: 0;
    font-size: clamp(34px, 5vw, 72px);
    line-height: 1.16;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
    gap: clamp(28px, 6vw, 80px);
    align-items: start;
}

.about-text {
    max-width: 760px;
    color: var(--muted);
    font-size: clamp(17px, 2vw, 22px);
}

.about-text p {
    margin: 0 0 20px;
}

.profile-list {
    margin: 0;
    border-top: 1px solid var(--line);
}

.profile-list div {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

dt {
    color: var(--kin);
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 900;
}

dd {
    margin: 0;
    font-weight: 700;
}

.works,
.youtube {
    background:
          linear-gradient(90deg, rgba(33, 25, 21, 0.05) 1px, transparent 1px) 0 0 / 22px 22px,
          linear-gradient(0deg, rgba(33, 25, 21, 0.04) 1px, transparent 1px) 0 0 / 22px 22px,
          var(--paper);
    color: var(--dark-text);
}

.works .eyebrow,
.youtube .eyebrow {
    color: var(--shu);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.work-card {
    min-height: 280px;
    padding: 24px;
    border: 1px solid var(--line-dark);
    border-left: 5px solid var(--ai);
    border-radius: 2px;
    background: rgba(255, 251, 242, 0.82);
}

.work-number {
    display: inline-block;
    margin-bottom: 50px;
    color: var(--shu);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 42px;
    font-weight: 900;
    line-height: 1;
}

.work-card h3 {
    margin: 0 0 12px;
    font-size: 26px;
    line-height: 1.3;
}

.work-card p,
.youtube-panel p,
.contact-inner p:not(.eyebrow) {
    margin: 0;
    color: var(--muted-dark);
}

.youtube-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
    align-items: end;
    padding-top: 36px;
    border-top: 1px solid var(--line-dark);
}

.youtube-panel p {
    max-width: 690px;
    margin-top: 18px;
    font-size: 18px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-top: 42px;
}

.video-item h3 {
    margin: 18px 0 6px;
    font-size: 22px;
    line-height: 1.3;
}

.video-item p {
    margin: 0;
    color: var(--muted-dark);
}

.video-frame {
    position: relative;
    width: 100%;
    overflow: hidden;
    border: 1px solid var(--dark-text);
    border-radius: 2px;
    background: var(--dark-text);
    aspect-ratio: 16 / 9;
    box-shadow: 8px 8px 0 rgba(24, 76, 87, 0.22);
}

.video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.contact {
    padding-bottom: clamp(64px, 8vw, 100px);
}

.contact-inner {
    max-width: 920px;
    padding-top: 36px;
    border-top: 1px solid var(--line);
}

.contact-inner p:not(.eyebrow) {
    max-width: 660px;
    margin: 18px 0 28px;
    color: var(--muted);
    font-size: 18px;
}

.page-top {
    position: fixed;
    right: 18px;
    bottom: 18px;
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid var(--paper);
    border-radius: 50%;
    background: var(--paper);
    color: var(--dark-text);
    font-size: 20px;
    font-weight: 900;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

@keyframes slide {
    from {
          transform: translateX(0);
    }

  to {
        transform: translateX(-50%);
  }
}

@media (max-width: 900px) {
    .site-header {
          align-items: flex-start;
          flex-direction: column;
    }

  .hero,
    .about-grid,
    .youtube-panel {
          grid-template-columns: 1fr;
    }

  .hero {
        min-height: auto;
  }

  .hero-visual {
        order: -1;
  }

  .visual-card {
        max-width: 360px;
        box-shadow: 10px 10px 0 rgba(184, 66, 43, 0.78);
  }

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

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

  .youtube-panel .button {
        justify-self: start;
  }
}

@media (max-width: 560px) {
    .nav {
          width: 100%;
          justify-content: space-between;
    }

  .button {
        width: 100%;
  }

  h1 {
        font-size: clamp(42px, 18vw, 76px);
  }

  .profile-list div {
        grid-template-columns: 1fr;
        gap: 4px;
  }
}


body {
      position: relative;
      background:
              radial-gradient(ellipse at 18% 24%, rgba(196, 154, 69, 0.18), transparent 28%),
              radial-gradient(ellipse at 82% 16%, rgba(184, 66, 43, 0.14), transparent 26%),
              linear-gradient(90deg, rgba(244, 234, 216, 0.09) 1px, transparent 1px) 0 0 / 96px 100%,
              linear-gradient(0deg, rgba(244, 234, 216, 0.055) 1px, transparent 1px) 0 0 / 100% 96px,
              linear-gradient(90deg, transparent 0 48px, rgba(196, 154, 69, 0.15) 48px 50px, transparent 50px 96px) 0 0 / 96px 100%,
              linear-gradient(0deg, transparent 0 48px, rgba(196, 154, 69, 0.1) 48px 50px, transparent 50px 96px) 0 0 / 100% 96px,
              var(--bg);
}

body::before {
      position: fixed;
      inset: 0;
      z-index: -2;
      background:
              radial-gradient(ellipse at 16% 72%, rgba(244, 234, 216, 0.12), transparent 18%),
              radial-gradient(ellipse at 34% 78%, rgba(244, 234, 216, 0.08), transparent 14%),
              radial-gradient(ellipse at 76% 70%, rgba(57, 200, 193, 0.08), transparent 18%),
              repeating-linear-gradient(135deg, transparent 0 22px, rgba(244, 234, 216, 0.025) 22px 24px);
      content: "";
      pointer-events: none;
}

.hero::before {
      background:
              linear-gradient(90deg, rgba(244, 234, 216, 0.14) 1px, transparent 1px) 0 0 / 92px 100%,
              linear-gradient(0deg, rgba(244, 234, 216, 0.09) 1px, transparent 1px) 0 0 / 100% 82px,
              linear-gradient(90deg, rgba(244, 234, 216, 0.04), transparent 28%, transparent 72%, rgba(244, 234, 216, 0.04)),
              rgba(244, 234, 216, 0.018);
      border: 1px solid rgba(196, 154, 69, 0.34);
      box-shadow:
              inset 0 0 0 10px rgba(33, 25, 21, 0.2),
              inset 0 0 0 11px rgba(196, 154, 69, 0.16);
}

.hero::after {
      right: clamp(20px, 6vw, 92px);
      top: 16%;
      width: min(40vw, 420px);
      height: min(44vw, 420px);
      background:
              radial-gradient(circle at 50% 50%, rgba(184, 66, 43, 0.18), rgba(184, 66, 43, 0.08) 42%, transparent 43%),
              repeating-radial-gradient(circle at 50% 68%, transparent 0 21px, rgba(196, 154, 69, 0.13) 22px 24px, transparent 25px 45px);
      border-radius: 50%;
      opacity: 0.82;
}

@media (max-width: 900px) {
      .hero::before {
              inset: 14px;
      }
}


.work-card {
      background:
              radial-gradient(circle at 18% 28%, rgba(196, 154, 69, 0.1) 0 1px, transparent 2px),
              radial-gradient(circle at 72% 34%, rgba(184, 66, 43, 0.07) 0 1px, transparent 2px),
              radial-gradient(circle at 44% 78%, rgba(33, 25, 21, 0.06) 0 1px, transparent 2px),
              repeating-linear-gradient(115deg, rgba(33, 25, 21, 0.035) 0 1px, transparent 1px 12px),
              linear-gradient(135deg, rgba(255, 255, 255, 0.58), rgba(229, 210, 174, 0.36)),
              #fff8ea;
      background-size: 92px 92px, 118px 118px, 76px 76px, 100% 100%, 100% 100%, 100% 100%;
      box-shadow:
              inset 0 0 32px rgba(196, 154, 69, 0.14),
              8px 8px 0 rgba(24, 76, 87, 0.12);
}