:root {
  --bg: #171311;
  --panel: #201916;
  --panel-2: #241d1a;
  --line: #9f8158;
  --text: #f4ead9;
  --sub: #d9c8ae;
  --link: #7A003C;       /* 早稲田カラー */
  --link-hover: #5f002e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);

  font-family:
    "Noto Sans JP",
    "Hiragino Sans",
    "Yu Gothic",
    sans-serif;

  line-height:1.8;
}

.site-title{
  font-family:
    "Times New Roman",
    Times,
    serif;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
}

.site-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* Hero */
.hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: 760px;
}

.site-title {
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  font-style: italic;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
}

.sub-title {
  margin: 10px 0 0;
  font-size: 18px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sub);
}

.lead {
  max-width: 720px;
  margin-top: 24px;
  font-size: 17px;
  color: var(--sub);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-block;
  min-width: 180px;
  padding: 16px 28px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-align: center;
  border-radius: 10px;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--link);
  color: #ffffff;
  border: 1px solid var(--link);
}

.btn-primary:hover {
  background: var(--link-hover);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--link);
  border: 2px solid var(--link);
}

.btn-outline:hover {
  background: var(--link);
  color: #ffffff;
}

/* Sections */
.profile {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.section-title {
  margin: 0 0 22px;
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

/* Videos */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.video-card-title {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.video-wrap {
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-card-body {
  padding: 14px 16px 18px;
  color: var(--sub);
  font-size: 15px;
}

.video-card-body p {
  margin: 0;
}

/* Profile */


.profile-card {
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: 22px 20px;
}

.profile-card p {
  margin: 0;
  color: var(--sub);
}

.credit-list {
  margin: 0;
}

.credit-list div + div {
  margin-top: 16px;
}

.credit-list dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sub);
}

.credit-list dd {
  margin: 6px 0 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

/* Footer */
.footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--sub);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 900px) {
  .video-grid,
  .profile-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .site-wrap {
    padding: 18px 14px 48px;
  }

  .hero {
    padding: 40px 0 32px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    min-width: 0;
  }

  .section-title {
    font-size: 22px;
  }
}