/* ========= Reset & Base ========= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "M PLUS Rounded 1c", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  color: #2a3242;
  background: #fffaf3;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

:root {
  --mint: #4dc4a8;
  --mint-light: #a8e5d4;
  --mint-deep: #2fa78b;
  --pink: #ff6e8a;
  --pink-light: #ffc0d0;
  --yellow: #ffd24a;
  --navy: #1f2a44;
  --cream: #fffaf3;
  --cream-2: #fef3df;
  --line: #ecdcc4;
  --radius: 22px;
  --shadow: 0 10px 30px rgba(31, 42, 68, .08);
  --shadow-lg: 0 20px 60px rgba(31, 42, 68, .14);
}

/* ========= Background decorations ========= */
.bg-deco {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .35;
}
.blob-1 { width: 480px; height: 480px; background: var(--mint-light); top: -120px; left: -120px; }
.blob-2 { width: 420px; height: 420px; background: var(--pink-light); top: 30%; right: -160px; }
.blob-3 { width: 380px; height: 380px; background: #fff0a8; bottom: -120px; left: 30%; }

.dot {
  position: absolute;
  background-image: radial-gradient(var(--mint) 1.5px, transparent 1.6px);
  background-size: 18px 18px;
  opacity: .25;
}
.dot-1 { width: 160px; height: 160px; top: 12%; left: 6%; }
.dot-2 { width: 120px; height: 120px; top: 40%; right: 8%; background-image: radial-gradient(var(--pink) 1.5px, transparent 1.6px); }
.dot-3 { width: 140px; height: 140px; bottom: 18%; left: 12%; background-image: radial-gradient(var(--yellow) 1.6px, transparent 1.7px); }
.dot-4 { width: 100px; height: 100px; bottom: 8%; right: 14%; }

/* ========= Header ========= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(255, 250, 243, .82);
  border-bottom: 1px solid rgba(236, 220, 196, .6);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-img { height: 52px; width: auto; }
.nav-list {
  display: flex;
  gap: 22px;
  font-weight: 700;
  letter-spacing: .06em;
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  font-size: 14px;
}
.nav-list a {
  position: relative;
  padding: 6px 4px;
  transition: color .2s;
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 3px; border-radius: 99px;
  background: linear-gradient(90deg, var(--mint), var(--pink));
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav-list a:hover { color: var(--mint-deep); }
.nav-list a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  background: transparent; border: 0;
  width: 40px; height: 40px;
  flex-direction: column; gap: 5px;
  align-items: center; justify-content: center;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px; height: 2.5px; background: var(--navy);
  border-radius: 2px; transition: transform .25s;
}

/* ========= Logo Hero (最上部の大ロゴ) ========= */
.logo-hero {
  position: relative;
  z-index: 1;
  padding: 64px 28px 28px;
  text-align: center;
}
.logo-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}
.logo-hero-img {
  display: block;
  width: min(80%, 820px);
  margin: 0 auto;
  height: auto;
  animation: logoFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 18px 36px rgba(31, 42, 68, .14));
}
.logo-hero-tag {
  margin: 24px 0 0;
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  font-weight: 700;
  letter-spacing: .24em;
  font-size: 13px;
  color: var(--mint-deep);
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ========= Status Banner (ご依頼受付中) ========= */
.status-banner {
  position: relative;
  z-index: 2;
  padding: 8px 18px 28px;
  display: flex;
  justify-content: center;
}
.status-banner-inner {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 14px 28px;
  background: #fff;
  border: 2px solid var(--mint);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(47, 167, 139, .18);
  max-width: 100%;
}
.status-dot {
  width: 12px; height: 12px;
  background: #41d39c;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(65, 211, 156, .6);
  animation: statusPulse 1.8s infinite;
}
@keyframes statusPulse {
  0%   { box-shadow: 0 0 0 0 rgba(65, 211, 156, .7); }
  70%  { box-shadow: 0 0 0 14px rgba(65, 211, 156, 0); }
  100% { box-shadow: 0 0 0 0 rgba(65, 211, 156, 0); }
}
.status-text {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
}
.status-strong {
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--navy);
  font-size: 15px;
}
.status-sub {
  color: #4a5468;
}
.status-link {
  color: var(--mint-deep);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 2px solid var(--mint);
  padding-bottom: 1px;
  transition: color .2s, border-color .2s;
}
.status-link:hover {
  color: var(--pink);
  border-color: var(--pink);
}

/* ========= Hero ========= */
.hero {
  position: relative;
  z-index: 1;
  padding: 20px 28px 120px;
}
.hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--mint-deep);
  margin: 0 0 18px;
  font-size: 14px;
}
.hero-title {
  font-size: clamp(36px, 5.4vw, 64px);
  line-height: 1.25;
  margin: 0 0 28px;
  font-weight: 800;
  letter-spacing: .02em;
}
.accent-pink { color: var(--pink); }
.accent-mint { color: var(--mint-deep); }
.hero-lead {
  font-size: 15px;
  margin: 0 0 36px;
  color: #4a5468;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: .08em;
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  transition: transform .2s, box-shadow .2s, background .2s;
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 14px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--mint), var(--mint-deep));
  color: #fff;
  box-shadow: 0 10px 24px rgba(47, 167, 139, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(47, 167, 139, .45); }
.btn-outline {
  background: #fff;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }

.hero-visual {
  position: relative;
  display: flex; justify-content: center;
}
.hero-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 6px solid #fff;
  transform: rotate(-2deg);
  transition: transform .4s;
}
.hero-frame:hover { transform: rotate(0); }
.hero-frame img { width: 100%; }
.hero-sticker {
  position: absolute;
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .14em;
  box-shadow: 0 6px 18px rgba(0,0,0,.12);
}
.sticker-1 {
  top: 30px; left: -10px;
  background: var(--yellow);
  color: var(--navy);
  transform: rotate(-8deg);
}
.sticker-2 {
  bottom: 40px; right: -16px;
  background: var(--pink);
  color: #fff;
  transform: rotate(6deg);
}

.scroll-down {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  width: 32px; height: 52px;
  border: 2px solid var(--navy);
  border-radius: 18px;
  display: block;
}
.scroll-down span {
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 10px;
  background: var(--navy);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scroll 1.6s infinite;
}
@keyframes scroll {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 32px; }
}

/* ========= Section common ========= */
.section {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 110px 28px;
}
.section-head { text-align: center; margin-bottom: 56px; }
.section-sub {
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--mint-deep);
  font-size: 13px;
  margin: 0 0 10px;
}
.section-title {
  font-size: clamp(28px, 3.6vw, 40px);
  margin: 0;
  font-weight: 800;
  letter-spacing: .04em;
}
.section-title::after {
  content: "";
  display: block;
  width: 64px; height: 4px;
  background: linear-gradient(90deg, var(--mint), var(--pink));
  border-radius: 99px;
  margin: 18px auto 0;
}
.section-desc { margin: 18px 0 0; color: #5b6478; font-size: 14px; }

/* ========= About ========= */
.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 56px;
  align-items: center;
}
.about-img {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.about-img::before {
  content: "";
  position: absolute;
  inset: -10px -10px auto auto;
  width: 72px; height: 72px;
  background: var(--yellow);
  border-radius: 50%;
  z-index: -1;
}
.about-name {
  font-size: 24px; font-weight: 800; margin: 0 0 18px;
}
.about-name .en {
  font-family: "Quicksand", sans-serif;
  color: var(--mint-deep);
  font-size: 16px;
  margin-left: 8px;
}
.about-bio {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 2;
  color: #3a4256;
}
.about-bio-strong {
  background: linear-gradient(transparent 70%, rgba(255, 210, 74, .55) 70%);
  padding: 4px 6px;
  display: inline-block;
  font-weight: 700;
}
.about-list {
  margin: 24px 0 0;
  display: grid; gap: 14px;
}
.about-list > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px dashed var(--line);
}
.about-list > div:last-child { border-bottom: 1px dashed var(--line); }
.about-list dt {
  font-weight: 700;
  color: var(--mint-deep);
  font-size: 14px;
}
.about-list dd { margin: 0; font-size: 14px; }

/* ========= Works ========= */
.filter-tabs {
  display: flex; gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.tab {
  background: #fff;
  border: 2px solid var(--line);
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-family: "Quicksand", sans-serif;
  letter-spacing: .08em;
  cursor: pointer;
  transition: all .2s;
  color: #6b7388;
  font-size: 13px;
}
.tab:hover { color: var(--mint-deep); border-color: var(--mint-light); }
.tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  position: relative;
  margin: 0;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform .3s, box-shadow .3s, opacity .3s;
  border: 1px solid var(--line);
}
.card.hide { display: none; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform .5s;
}
.card:hover img { transform: scale(1.04); }
.card figcaption {
  padding: 14px 18px 18px;
  display: flex; align-items: center; gap: 10px;
  font-weight: 700;
  font-size: 14px;
}
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px;
  letter-spacing: .08em;
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
}
.tag-illust { background: var(--pink-light); color: #b8336a; }
.tag-3d { background: #d6ecff; color: #2e6db5; }
.tag-live2d { background: var(--mint-light); color: var(--mint-deep); }
.tag-design { background: #fff0a8; color: #a07900; }
.tag-game { background: #e7ddff; color: #6541b0; }
.tag-prop { background: #ffe2d2; color: #b25a2c; }

/* ========= Skills (縦並び) ========= */
.skills { max-width: 1080px; }
.skill-rows {
  display: block;
  margin: 0;
  padding: 0;
}
.skill-row {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 56px;
  align-items: flex-start;
  padding: 36px 8px;
  border-top: 1px solid rgba(31, 42, 68, .08);
  position: relative;
}
.skill-row:last-child {
  border-bottom: 1px solid rgba(31, 42, 68, .08);
}
.skill-row::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 64px; height: 3px;
  background: linear-gradient(90deg, var(--mint), var(--pink));
  border-radius: 99px;
  opacity: 0;
  transition: opacity .3s;
}
.skill-row:hover::before { opacity: 1; }

.skill-row-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}
.skill-num {
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--mint-deep);
  background: var(--cream-2);
  padding: 4px 12px;
  border-radius: 99px;
}
.skill-row-head h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .04em;
  width: 100%;
}
.skill-tools {
  margin: 0;
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  font-size: 12px;
  letter-spacing: .08em;
  color: #6b7388;
}
.skill-row-body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: #4a5468;
  padding-top: 6px;
}

/* ========= Vtuber Section ========= */
.vtuber-feature {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
  background: linear-gradient(135deg, #fff 0%, var(--cream-2) 100%);
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 48px;
  box-shadow: var(--shadow);
  margin-bottom: 72px;
}
.vtuber-headline {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.5;
  margin: 0 0 18px;
}
.vtuber-lead {
  font-size: 14.5px;
  line-height: 1.95;
  color: #4a5468;
  margin: 0 0 20px;
}
.vtuber-points {
  margin: 0 0 26px;
  display: grid;
  gap: 8px;
}
.vtuber-points li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  color: #2a3242;
}
.vtuber-points li::before {
  content: "✓";
  position: absolute;
  left: 0; top: -1px;
  width: 18px; height: 18px;
  background: var(--mint);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 700;
}
.vtuber-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 24px;
  padding: 18px 22px;
  background: #fff;
  border-radius: 16px;
  border: 2px dashed var(--mint);
}
.price-label {
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  letter-spacing: .12em;
  font-size: 12px;
  color: var(--mint-deep);
  background: var(--cream-2);
  padding: 4px 10px;
  border-radius: 99px;
}
.price-value {
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  font-weight: 700;
  font-size: 32px;
  color: var(--navy);
  letter-spacing: .02em;
}
.price-value small {
  font-size: 16px;
  font-weight: 700;
  margin-left: 2px;
  color: var(--pink);
}
.price-note {
  font-size: 13px;
  color: #5b6478;
}
.vtuber-feature-img {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #fff;
}
.vtuber-feature-img img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.vtuber-subtitle {
  font-size: 20px;
  margin: 56px 0 16px;
  font-weight: 800;
  position: relative;
  padding-left: 18px;
}
.vtuber-subtitle::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 22px;
  background: linear-gradient(180deg, var(--mint), var(--pink));
  border-radius: 99px;
}
.vtuber-demo-note {
  margin: 0 0 20px;
  color: #5b6478;
  font-size: 13.5px;
}

.vtuber-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.vtuber-card {
  margin: 0;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  transition: transform .3s;
}
.vtuber-card:hover { transform: translateY(-4px); }
.vtuber-media {
  background: #f3eada;
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.vtuber-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.vtuber-card figcaption {
  padding: 18px 20px 22px;
}
.vtuber-card h4 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
}
.vtuber-card p {
  margin: 0;
  font-size: 13px;
  color: #5b6478;
  line-height: 1.7;
}

.vtuber-videos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.vtuber-video {
  margin: 0;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.vtuber-video video {
  width: 100%;
  display: block;
  background: #0d1424;
  aspect-ratio: 16 / 10;
  object-fit: contain;
}
.vtuber-video figcaption {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

/* ========= Pricing ========= */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.price-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.price-card.is-feature {
  border: 2px solid var(--mint);
  box-shadow: 0 18px 50px rgba(47, 167, 139, .18);
  transform: translateY(-6px);
}
.price-card-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--pink);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  padding: 4px 14px;
  border-radius: 99px;
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  box-shadow: 0 6px 14px rgba(255, 110, 138, .35);
}
.price-card-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 800;
}
.price-card-price {
  margin: 0 0 20px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line);
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  font-weight: 700;
  font-size: 28px;
  color: var(--mint-deep);
}
.price-card-price small {
  font-size: 13px;
  color: #6b7388;
  margin-left: 6px;
  font-weight: 500;
}
.price-card-list {
  margin: 0 0 18px;
  display: grid;
  gap: 8px;
}
.price-card-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.65;
  color: #3a4256;
}
.price-card-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 10px;
  width: 8px; height: 2px;
  background: var(--mint);
  border-radius: 99px;
}
.price-options {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.price-options p {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--mint-deep);
}
.price-options ul {
  display: grid;
  gap: 6px;
}
.price-options li {
  font-size: 12.5px;
  color: #5b6478;
  line-height: 1.6;
}
.price-notes {
  background: rgba(255, 255, 255, .6);
  border-radius: 14px;
  padding: 18px 24px;
  border: 1px dashed var(--line);
}
.price-notes p {
  margin: 0 0 6px;
  font-size: 12.5px;
  color: #5b6478;
  line-height: 1.7;
}
.price-notes p:last-child { margin-bottom: 0; }

/* ========= Workflow ========= */
.workflow { max-width: 1080px; }
.workflow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
  counter-reset: step;
  position: relative;
}
.workflow-step {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 32px 28px 120px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.workflow-step::before {
  content: "";
  position: absolute;
  top: 28px; left: 28px;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint), var(--mint-deep));
  opacity: .12;
}
.step-num {
  position: absolute;
  top: 38px; left: 28px;
  width: 64px;
  text-align: center;
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  letter-spacing: .08em;
  font-size: 12px;
  color: var(--mint-deep);
}
.workflow-step h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .04em;
}
.workflow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #4a5468;
}

/* ========= Contact ========= */
.contact { padding-bottom: 140px; }
.contact-card {
  background: linear-gradient(135deg, #ffffff 0%, var(--cream-2) 100%);
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--mint-light), transparent 70%);
  opacity: .6;
}
.contact-text { position: relative; }
.contact-text .section-title::after { margin-left: 0; margin-right: auto; }
.contact-text .section-title { text-align: left; }
.contact-text .section-sub { text-align: left; }
.contact-lead { margin: 24px 0 28px; }
.contact-subhead {
  margin: 18px 0 10px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--mint-deep);
  font-family: "Quicksand", "M PLUS Rounded 1c", sans-serif;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.contact-subhead::before {
  content: "";
  width: 18px; height: 2px;
  background: var(--mint);
  border-radius: 99px;
}
.sns-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.sns-wide { grid-column: 1 / -1; }
.sns-list a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--line);
  font-weight: 700;
  font-size: 13px;
  transition: all .2s;
}
.sns-list a:hover {
  border-color: var(--mint);
  color: var(--mint-deep);
  transform: translateX(4px);
}
.sns-icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--navy);
  color: #fff;
  border-radius: 8px;
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
}
.btn-mail { width: 100%; max-width: 320px; }
.contact-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(2deg);
}

/* ========= Footer ========= */
.site-footer {
  text-align: center;
  padding: 30px 20px;
  background: var(--navy);
  color: #c7cde0;
  font-size: 12px;
  letter-spacing: .08em;
  font-family: "Quicksand", sans-serif;
  position: relative;
  z-index: 1;
}

/* ========= Lightbox ========= */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(20, 26, 44, .82);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 32px;
}
.lightbox.is-open { display: flex; }
.lb-content {
  background: #fff;
  border-radius: 24px;
  max-width: 1100px;
  width: 100%;
  max-height: 90vh;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.4);
}
.lb-image-wrap {
  background: #f3eada;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.lb-image-wrap img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}
.lb-info { padding: 36px; overflow-y: auto; }
.lb-info h3 {
  margin: 0 0 18px;
  font-size: 22px;
}
.lb-info dl { display: grid; gap: 10px; margin: 0 0 18px; }
.lb-info dl > div { display: grid; grid-template-columns: 100px 1fr; }
.lb-info dt { color: var(--mint-deep); font-weight: 700; font-size: 13px; }
.lb-info dd { margin: 0; font-size: 13px; }
.lb-info p { font-size: 14px; line-height: 1.85; color: #4a5468; }
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: rgba(255,255,255,.95);
  border: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
  transition: transform .2s;
}
.lb-close { top: 20px; right: 20px; }
.lb-prev { top: 50%; left: 20px; transform: translateY(-50%); }
.lb-next { top: 50%; right: 20px; transform: translateY(-50%); }
.lb-close:hover, .lb-prev:hover, .lb-next:hover { transform: scale(1.1); }
.lb-prev:hover { transform: translateY(-50%) scale(1.1); }
.lb-next:hover { transform: translateY(-50%) scale(1.1); }

/* ========= Animations on scroll ========= */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s, transform .8s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ========= Responsive ========= */
@media (max-width: 960px) {
  .header-inner { padding: 12px 18px; }
  .logo-img { height: 42px; }
  .nav-toggle { display: flex; }
  .nav-list {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    gap: 6px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-20px);
    opacity: 0; pointer-events: none;
    transition: all .25s;
  }
  .nav.is-open .nav-list {
    transform: translateY(0); opacity: 1; pointer-events: auto;
  }
  .nav-list a { display: block; padding: 12px; }

  .logo-hero { padding: 40px 18px 12px; }
  .logo-hero-img { width: 92%; }
  .logo-hero-tag { font-size: 11px; letter-spacing: .18em; }
  .hero { padding: 14px 18px 60px; }

  .status-banner-inner {
    flex-direction: column;
    gap: 10px;
    padding: 16px 24px;
    text-align: center;
  }
  .status-text { flex-direction: column; gap: 4px; }
  .status-strong { font-size: 14px; }

  .vtuber-feature {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 22px;
  }
  .vtuber-feature-img { max-width: 320px; margin: 0 auto; }
  .vtuber-grid { grid-template-columns: 1fr; }
  .vtuber-videos { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; gap: 32px; }
  .price-card.is-feature { transform: none; }

  .workflow-step {
    padding: 24px 22px 24px 22px;
  }
  .workflow-step::before {
    position: relative;
    top: auto; left: auto;
    display: block;
    margin-bottom: 8px;
    width: 56px; height: 56px;
  }
  .step-num {
    position: relative;
    top: auto; left: auto;
    width: auto;
    text-align: left;
    display: inline-block;
    margin-bottom: 8px;
    background: var(--cream-2);
    padding: 4px 10px;
    border-radius: 99px;
  }
  .workflow-step::before { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-frame { max-width: 320px; }

  .section { padding: 80px 18px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-img { max-width: 320px; margin: 0 auto; }
  .about-list > div { grid-template-columns: 100px 1fr; gap: 10px; }

  .gallery { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .skill-row {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 28px 4px;
  }
  .skill-row-head h3 { font-size: 19px; }
  .skill-row-body { font-size: 14px; line-height: 1.85; }
  .contact-card { grid-template-columns: 1fr; padding: 36px 24px; }
  .contact-text .section-title, .contact-text .section-sub { text-align: center; }
  .contact-text .section-title::after { margin: 18px auto 0; }
  .sns-list { grid-template-columns: 1fr; }

  .lb-content { grid-template-columns: 1fr; max-height: 92vh; overflow-y: auto; }
  .lb-image-wrap img { max-height: 60vh; }
  .lb-info { padding: 24px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
}
@media (max-width: 520px) {
  .gallery { grid-template-columns: 1fr; }
  .hero-title { font-size: 34px; }
}

/* ========= Services overview (index.html) ========= */
.services-overview {
  padding-bottom: 64px;
}
.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}
.overview-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px;
  border-radius: 18px;
  background: #ffffffcc;
  backdrop-filter: blur(8px);
  border: 1px solid #f0e6ed;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.overview-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
}
.overview-card h3 {
  margin: 0;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
}
.overview-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
  flex: 1;
}
.overview-arrow {
  font-weight: 700;
  color: #d77ba6;
  font-size: 0.95rem;
}
@media (max-width: 720px) {
  .overview-grid { grid-template-columns: 1fr; }
}

/* ========= Page sub-nav (services.html 等) ========= */
.page-subnav {
  position: sticky;
  top: 64px;
  background: #ffffffd9;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #f0e6ed;
  z-index: 50;
}
.page-subnav ul {
  list-style: none;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
  max-width: 960px;
}
.page-subnav a {
  text-decoration: none;
  color: #6b6b78;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 12px;
  transition: background 0.2s ease, color 0.2s ease;
}
.page-subnav a:hover {
  background: #f7e6ef;
  color: #d77ba6;
}