/* ===== Variables ===== */
:root {
  --orange-50: #fff7ed;
  --orange-100: #ffedd5;
  --orange-200: #fed7aa;
  --orange-400: #fb923c;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --orange-700: #c2410c;
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-500: #71717a;
  --gray-700: #3f3f46;
  --gray-900: #18181b;
  --white: #ffffff;
  --shadow: 0 1px 0 var(--orange-200), 0 4px 12px rgba(24, 24, 27, 0.06);
  --radius: 0;
  --font: "Noto Sans JP", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
  background: var(--white);
}

a {
  color: var(--orange-600);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--orange-700);
}

.container {
  width: min(960px, 100% - 2rem);
  margin-inline: auto;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--orange-100);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--orange-600);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
}

.nav a:hover {
  color: var(--orange-600);
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(180deg, var(--orange-100) 0%, var(--orange-50) 45%, var(--white) 100%);
  padding: 0 0 4.5rem;
  overflow: hidden;
}

.hero-visual {
  display: flex;
  justify-content: center;
  padding-top: 0.5rem;
}

.hero-portrait {
  position: relative;
  margin: 0;
  width: min(640px, 88vw);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  line-height: 0;
}

.hero-portrait::before {
  content: "";
  position: absolute;
  inset: 6% 0 0;
  background: radial-gradient(
    ellipse 78% 68% at 50% 40%,
    rgba(255, 237, 213, 0.9) 0%,
    rgba(255, 247, 237, 0.45) 42%,
    transparent 72%
  );
  pointer-events: none;
  z-index: 0;
}

.avatar-img {
  display: block;
  width: 100%;
  height: auto;
}

.avatar-img-hero {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  object-position: center 14%;
  -webkit-mask-image:
    linear-gradient(to bottom, #000 0%, #000 36%, rgba(0, 0, 0, 0.88) 54%, rgba(0, 0, 0, 0.45) 76%, transparent 100%),
    radial-gradient(ellipse 90% 84% at 50% 38%, #000 44%, rgba(0, 0, 0, 0.55) 72%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to bottom, #000 0%, #000 36%, rgba(0, 0, 0, 0.88) 54%, rgba(0, 0, 0, 0.45) 76%, transparent 100%),
    radial-gradient(ellipse 90% 84% at 50% 38%, #000 44%, rgba(0, 0, 0, 0.55) 72%, transparent 100%);
  mask-composite: intersect;
  filter: drop-shadow(0 22px 40px rgba(234, 88, 12, 0.1))
          drop-shadow(0 8px 24px rgba(255, 237, 213, 0.55));
}

.hero-body {
  position: relative;
  z-index: 1;
  margin-top: clamp(-4rem, -8vw, -2.5rem);
}

.hero-content {
  text-align: center;
  max-width: 520px;
  margin-inline: auto;
}

.avatar-img-about {
  -webkit-mask-image: radial-gradient(
    ellipse 94% 90% at 50% 44%,
    #000 52%,
    rgba(0, 0, 0, 0.55) 78%,
    transparent 100%
  );
  mask-image: radial-gradient(
    ellipse 94% 90% at 50% 44%,
    #000 52%,
    rgba(0, 0, 0, 0.55) 78%,
    transparent 100%
  );
  filter: drop-shadow(0 18px 34px rgba(234, 88, 12, 0.08))
          drop-shadow(0 6px 18px rgba(255, 237, 213, 0.45));
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-600);
  background: var(--white);
  border: 1px solid var(--orange-200);
  border-left: 3px solid var(--orange-500);
  padding: 0.375rem 0.875rem;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.15;
  margin-bottom: 0.375rem;
}

.hero-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--orange-500);
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.hero-desc ruby rt {
  font-size: 0.55em;
  color: var(--orange-500);
  font-weight: 500;
}

.hero-hashtag {
  color: var(--orange-600);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.btn-primary {
  background: var(--orange-500);
  color: var(--white);
  border: 2px solid var(--orange-500);
  box-shadow: 0 2px 0 var(--orange-700);
}

.btn-primary:hover {
  background: var(--orange-600);
  color: var(--white);
  border-color: var(--orange-600);
  box-shadow: 0 3px 0 var(--orange-700);
}

.btn-outline {
  border: 2px solid var(--orange-400);
  color: var(--orange-600);
  background: var(--white);
}

.btn-outline:hover {
  background: var(--orange-50);
  color: var(--orange-700);
}

/* ===== Sections ===== */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--gray-50);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  padding: 0.5rem 0 0.5rem 0.875rem;
  border-left: 4px solid var(--orange-500);
  border-bottom: 1px solid var(--orange-200);
  display: block;
}

.about-layout {
  display: grid;
  grid-template-columns: min(200px, 36%) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.about-avatar {
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 200px;
  justify-self: center;
}

.about-avatar::before {
  content: "";
  position: absolute;
  inset: -4% -8% 12%;
  background: radial-gradient(
    ellipse 88% 82% at 50% 46%,
    rgba(255, 237, 213, 0.75) 0%,
    rgba(255, 247, 237, 0.35) 50%,
    transparent 78%
  );
  pointer-events: none;
  z-index: 0;
}

.about-avatar .avatar-img-about {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
}

.about-content {
  min-width: 0;
}

.about-avatar figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-500);
  text-align: center;
}

.about-content p + p {
  margin-top: 1rem;
}

/* ===== Schedule ===== */
.next-stream {
  background: var(--white);
  border: 1px solid var(--orange-200);
  border-left: 4px solid var(--orange-500);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.next-stream-live {
  border-color: var(--orange-500);
  background: linear-gradient(135deg, var(--orange-50), var(--white));
}

.next-stream-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-600);
  margin-bottom: 0.375rem;
}

.next-stream-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.5;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.schedule-card {
  background: var(--white);
  border: 1px solid var(--orange-100);
  padding: 1.25rem;
}

.schedule-card-main {
  border-left: 4px solid var(--orange-500);
}

.schedule-card-guerrilla {
  border-left: 4px solid var(--orange-400);
}

.schedule-card-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--orange-600);
  margin-bottom: 0.25rem;
}

.schedule-card-time {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.schedule-card-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.schedule-note {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.footer-hashtag {
  color: var(--orange-500);
}

/* ===== Works ===== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.work-card {
  background: var(--white);
  border: 1px solid var(--orange-100);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.work-card:hover {
  transform: translateY(-2px);
  border-color: var(--orange-400);
  box-shadow: 0 2px 0 var(--orange-200), 0 6px 16px rgba(24, 24, 27, 0.08);
}

.work-card-thumb {
  height: 140px;
  background: linear-gradient(135deg, var(--orange-200), var(--orange-50));
}

.work-card-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-card-body {
  padding: 1.25rem;
}

.work-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.work-card-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0.75rem;
}

.work-card-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.75rem;
}

.work-card-tags li {
  font-size: 0.75rem;
  background: var(--orange-50);
  color: var(--orange-700);
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--orange-200);
}

.work-card-links {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

/* ===== Events ===== */
.events-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--orange-100);
}

.event-item {
  display: grid;
  grid-template-columns: minmax(130px, max-content) 1fr;
  gap: 0 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--orange-100);
  align-items: start;
}

.event-meta {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding-top: 0.125rem;
}

.event-date {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  font-variant-numeric: tabular-nums;
}

.event-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
  border: 1px solid;
  width: fit-content;
}

.event-badge-online {
  color: var(--orange-600);
  border-color: var(--orange-200);
  background: var(--orange-50);
}

.event-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.375rem;
}

.event-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.events-note {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--gray-500);
}

@media (max-width: 600px) {
  .event-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .event-meta {
    flex-direction: row;
    align-items: center;
    gap: 0.625rem;
  }
}

/* ===== News ===== */
.news-list {
  list-style: none;
  border-top: 1px solid var(--orange-100);
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--orange-100);
}

.news-date {
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--orange-600);
  font-variant-numeric: tabular-nums;
}

.news-text {
  font-size: 0.9375rem;
  color: var(--gray-700);
  line-height: 1.65;
}

.news-empty {
  padding: 1rem 0;
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ===== Links ===== */
.links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.links-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--gray-50);
  border: 1px solid var(--orange-100);
  border-left: 3px solid var(--orange-400);
  transition: background 0.2s, border-color 0.2s;
}

.links-list a:hover {
  background: var(--orange-50);
  border-color: var(--orange-200);
  border-left-color: var(--orange-500);
}

.links-label {
  font-weight: 700;
  color: var(--gray-900);
}

.links-value {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ===== Footer ===== */
.footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--gray-500);
  border-top: 1px solid var(--orange-100);
}

@media (max-width: 768px) {
  .hero-portrait {
    width: min(360px, 92vw);
    aspect-ratio: 4 / 4.1;
  }

  .avatar-img-hero {
    object-position: center 12%;
  }

  .hero-body {
    margin-top: clamp(-3.5rem, -7vw, -2rem);
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .about-avatar {
    max-width: 180px;
  }

  .about-content {
    text-align: left;
  }
}

@media (max-width: 600px) {
  .nav {
    gap: 1rem;
  }

  .nav a {
    font-size: 0.8125rem;
  }

  .hero {
    padding: 0 0 3.5rem;
  }

  .links-list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}