* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Yu Gothic", "Meiryo", sans-serif;
  background: #f5f6f8;
  color: #222;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 16px;
}

h2 {
  font-size: 1.2rem;
  margin: 0 0 12px;
}

.about-card {
  background: #fff;
  border: 1px solid #d6e3f5;
  border-left: 4px solid #2a6df4;
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.about-card h2 {
  font-size: 1rem;
  color: #1c4cb8;
  margin: 0 0 8px;
}

.about-card p {
  margin: 0 0 10px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.about-card ul {
  margin: 0;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #444;
}

.identity-card {
  background: #fff8e1;
  border: 1px solid #f0d97a;
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.identity-card button {
  background: #f5b400;
  color: #fff;
  border: 0;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

.identity-card button:hover {
  background: #e3a200;
}

#questions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: #fff;
  border: 1px solid #e2e4e8;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.card .qnum {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 4px;
}

.card .q {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.5;
}

.card .q-desc {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.5;
  margin-bottom: 12px;
}

.card .btns {
  display: flex;
  gap: 8px;
}

.card .btns button {
  flex: 1;
  padding: 12px 10px;
  font-size: 1rem;
  background: #fff;
  border: 2px solid #d6d8de;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.1s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
  line-height: 1.3;
}

.card .btns button .ans-main {
  font-size: 1.05rem;
  font-weight: 700;
}

.card .btns button .ans-label {
  font-size: 0.9rem;
  color: #555;
}

.card .btns button .ans-desc {
  font-size: 0.75rem;
  color: #888;
}

.card .btns button:hover {
  border-color: #999;
}

.card .btns button.selected {
  border-color: #2a6df4;
  background: #e8f0ff;
  color: #1c4cb8;
  font-weight: 700;
}

.card .btns button.selected .ans-label,
.card .btns button.selected .ans-desc {
  color: #1c4cb8;
}

.submit-row {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

#submit-btn {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  background: #2a6df4;
  color: #fff;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}

#submit-btn:hover:not(:disabled) {
  background: #1c4cb8;
}

#submit-btn:disabled {
  background: #c8cbd2;
  cursor: not-allowed;
}

.submit-hint {
  font-size: 0.85rem;
  color: #888;
  margin: 0;
  min-height: 1.2em;
}

dialog {
  border: 0;
  border-radius: 12px;
  padding: 20px;
  max-width: 90vw;
  width: 560px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field span {
  font-size: 0.9rem;
  color: #555;
}

.field input {
  padding: 10px;
  border: 1px solid #c8cbd2;
  border-radius: 6px;
  font-size: 1rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.dialog-actions button {
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid #c8cbd2;
  background: #fff;
  cursor: pointer;
  font-size: 0.95rem;
}

.dialog-actions button#post-submit,
.dialog-actions button#view-close {
  background: #2a6df4;
  color: #fff;
  border-color: #2a6df4;
}

.dialog-actions button:disabled {
  background: #d0d5dd;
  color: #fff;
  border-color: #d0d5dd;
  cursor: not-allowed;
}

#view-table-wrap {
  max-height: 60vh;
  overflow: auto;
  margin-bottom: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  border: 1px solid #e2e4e8;
  padding: 6px 8px;
  text-align: center;
  white-space: nowrap;
}

th {
  background: #f0f1f4;
  position: sticky;
  top: 0;
}

th:first-child, td:first-child {
  text-align: left;
}

tr.me td {
  background: #e8f0ff;
  font-weight: 600;
}

td.match {
  background: #e3f5e1;
}