:root {
  --ink: #18201d;
  --muted: #5f6d66;
  --paper: #f7f5ee;
  --line: #d9d2c3;
  --accent: #0f8b8d;
  --hot: #d1495b;
  --piko: #ffcfdf;
  --mogu: #cde7ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f7f5ee 0%, #eef6f3 100%);
  font-family: "Yu Gothic", "Hiragino Sans", Meiryo, sans-serif;
  line-height: 1.75;
}
a { color: var(--accent); }
.site-header, .site-footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px;
}
.brand {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
  font-size: 14px;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.nav a:hover { border-color: var(--accent); }
.hero {
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 24px 24px;
}
.hero h1 {
  max-width: 820px;
  margin: 0 0 12px;
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1.05;
}
.hero p, .post-meta, .site-footer { color: var(--muted); }
.room-note {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.52);
  color: var(--muted);
  font-size: 14px;
}
.post-list {
  max-width: 1040px;
  margin: 0 auto;
  padding: 12px 24px 56px;
  display: grid;
  gap: 16px;
}
.post-card {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.post-card h2 { margin: 0 0 8px; font-size: 24px; }
.post-card a { color: var(--ink); text-decoration-color: var(--hot); }
.article {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 24px 64px;
}
.link-list {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}
.link-list a {
  display: block;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.article h1 { font-size: 40px; line-height: 1.18; }
.chat-strip {
  display: grid;
  gap: 16px;
  margin: 26px 0;
}
.talk {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: end;
  gap: 12px;
}
.talk.right {
  grid-template-columns: minmax(0, 1fr) 64px;
}
.talk.right .avatar { grid-column: 2; }
.talk.right .bubble { grid-column: 1; grid-row: 1; }
.avatar {
  position: relative;
  width: 62px;
  height: 62px;
  border: 3px solid var(--ink);
  border-radius: 47% 53% 49% 51%;
  background: var(--piko);
  transform: rotate(-2deg);
  box-shadow: 3px 5px 0 rgba(24,32,29,.12);
}
.avatar.mogu {
  background: var(--mogu);
  transform: rotate(2deg);
}
.avatar::before,
.avatar::after {
  content: "";
  position: absolute;
  top: 24px;
  width: 6px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
}
.avatar::before { left: 19px; }
.avatar::after { right: 19px; }
.mouth {
  position: absolute;
  left: 23px;
  top: 39px;
  width: 16px;
  height: 8px;
  border-bottom: 3px solid var(--ink);
  border-radius: 0 0 18px 18px;
}
.avatar.sad .mouth {
  top: 43px;
  border-bottom: 0;
  border-top: 3px solid var(--ink);
  border-radius: 18px 18px 0 0;
}
.avatar.wow .mouth {
  left: 26px;
  top: 38px;
  width: 10px;
  height: 12px;
  border: 3px solid var(--ink);
  border-radius: 50%;
}
.avatar.thinking .mouth {
  left: 25px;
  width: 12px;
  height: 3px;
  border-bottom: 3px solid var(--ink);
  border-radius: 0;
}
.avatar.smirk .mouth {
  left: 24px;
  width: 16px;
  transform: rotate(-8deg);
}
.name-tag {
  position: absolute;
  left: 50%;
  bottom: -15px;
  padding: 1px 6px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: #fffaf5;
  font-size: 11px;
  font-weight: 700;
  transform: translateX(-50%) rotate(1deg);
  white-space: nowrap;
}
.bubble {
  position: relative;
  padding: 14px 16px;
  border: 2px solid var(--ink);
  border-radius: 18px 20px 17px 21px;
  background: #fffef9;
  box-shadow: 3px 4px 0 rgba(24,32,29,.12);
}
.bubble p { margin: 0; }
.bubble::before {
  content: "";
  position: absolute;
  left: -10px;
  bottom: 15px;
  width: 16px;
  height: 16px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: #fffef9;
  transform: rotate(45deg);
}
.talk.right .bubble::before {
  left: auto;
  right: -10px;
  border-left: 0;
  border-bottom: 0;
  border-right: 2px solid var(--ink);
  border-top: 2px solid var(--ink);
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: #fff;
}
th, td {
  border: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}
@media (max-width: 640px) {
  .article h1 { font-size: 30px; }
  table { font-size: 14px; }
  .talk,
  .talk.right { grid-template-columns: 52px minmax(0, 1fr); }
  .talk.right .avatar { grid-column: 1; }
  .talk.right .bubble { grid-column: 2; }
  .talk.right .bubble::before {
    left: -10px;
    right: auto;
    border-right: 0;
    border-top: 0;
    border-left: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
  }
  .avatar { width: 50px; height: 50px; }
}