:root {
  --color-bg: #F7F3EE;
  --color-card-bg: #FFFFFF;
  --color-text: #1A1208;
  --color-text-sub: #6B5240;
  --color-button: #2E1F0A;
  --color-gold: #B8952A;
  --color-gold-dark: #8B6914;
  --color-border: #D0C4B0;

  --font-en: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-jp: "Shippori Mincho", "Yu Mincho", "游明朝", serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-jp);
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.card {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  padding: 4px;
}

.corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--color-gold);
  pointer-events: none;
}

.corner-tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.corner-tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.corner-bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.corner-br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.content {
  padding: 56px 40px;
  text-align: center;
}

.logo {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 2.6rem;
  letter-spacing: 0.14em;
  margin: 0;
  padding-left: 0.14em;
  color: var(--color-text);
}

.rule {
  display: block;
  width: 48px;
  height: 1px;
  margin: 22px auto;
  background: var(--color-gold);
  position: relative;
}

.rule::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  transform: translateX(-50%) rotate(45deg);
  background: var(--color-gold);
}

.tagline {
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  margin: 0 0 12px;
}

.lead {
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--color-text-sub);
  margin: 0 0 40px;
}

.member-email {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin: 0 0 32px;
}

.login-form,
.field {
  text-align: left;
}

.field {
  margin-bottom: 26px;
}

.field label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--color-text-sub);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

input[type="email"],
textarea {
  width: 100%;
  padding: 11px 4px;
  font-size: 1rem;
  font-family: var(--font-jp);
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  outline: none;
  transition: border-color 0.2s ease;
}

textarea {
  border: 1px solid var(--color-border);
  padding: 10px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--color-gold);
}

button {
  width: 100%;
  margin-top: 8px;
  padding: 15px;
  font-family: var(--font-jp);
  font-size: 0.92rem;
  letter-spacing: 0.2em;
  color: var(--color-bg);
  background: var(--color-button);
  border: 1px solid var(--color-button);
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

button:hover {
  background: var(--color-card-bg);
  border-color: var(--color-gold);
  color: var(--color-button);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.secondary-button {
  margin-top: 20px;
  background: var(--color-card-bg);
  border-color: var(--color-border);
  color: var(--color-text-sub);
}

.secondary-button:hover {
  border-color: var(--color-gold);
  color: var(--color-text);
}

.form-message {
  min-height: 1.2em;
  margin-top: 18px;
  font-size: 0.82rem;
  text-align: center;
}

.form-message.success {
  color: var(--color-gold-dark);
}

.form-message.error {
  color: #8B2A2A;
}

.hidden {
  display: none;
}

.line-link-section,
.line-login-section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: left;
}

.section-title {
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin: 0 0 18px;
  text-align: center;
}

.lead.small {
  font-size: 0.82rem;
  margin: 0;
}

.intro-card,
.match-card {
  border: 1px solid var(--color-border);
  padding: 18px;
  margin-bottom: 16px;
}

.intro-card-details {
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0 0 8px;
}

.intro-card-hobbies {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin: 0 0 12px;
}

.intro-card-comment,
.intro-card-ai-comment {
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0 0 12px;
}

.intro-card-ai-comment {
  color: var(--color-gold-dark);
}

.intro-card-actions {
  display: flex;
  gap: 10px;
}

.intro-card-actions button {
  margin-top: 0;
}

.intro-card-message,
.match-card-message {
  min-height: 1.2em;
  margin: 10px 0 0;
  font-size: 0.78rem;
  text-align: center;
  color: var(--color-text-sub);
}

.match-card-status {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-gold-dark);
  margin: 0 0 10px;
}

.match-card-partner,
.match-card-datetime,
.match-card-venue {
  font-size: 0.85rem;
  margin: 0 0 6px;
}

.schedule-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  margin-bottom: 10px;
  font-family: var(--font-jp);
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  background: #FFFFFF;
}

.schedule-submit-button {
  margin-top: 4px;
}

.line-login-button {
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin-top: 8px;
  padding: 15px;
  font-family: var(--font-jp);
  font-size: 0.92rem;
  letter-spacing: 0.2em;
  border: 1px solid var(--color-border);
  text-decoration: none;
  text-align: center;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.line-login-button:hover {
  border-color: var(--color-gold);
  color: var(--color-text);
}

.field-label-text {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--color-text-sub);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.line-code-display {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--color-border);
}

.line-code-display p {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin: 0 0 12px;
}

.line-code {
  /* 等幅フォント＋広めの字間で、数字と英字（0とO等）を見分けやすくする。 */
  font-family: "SF Mono", "SFMono-Regular", "Roboto Mono", Menlo, Consolas, monospace;
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--color-gold-dark);
  margin: 0 0 16px !important;
}

.line-code-display a {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-gold-dark);
}

@media (max-width: 480px) {
  .content {
    padding: 44px 24px;
  }

  .logo {
    font-size: 2.2rem;
  }
}

/* お相手詳細モーダル */
.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 18, 8, 0.55);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
}

/* .hidden はこの規則より前に定義されており、同じ詳細度では後勝ちで
   display:flex が優先されてしまう（＝非表示時もオーバーレイが全画面を覆い
   クリックを奪う）。詳細度を上げて .hidden を確実に効かせる。 */
.detail-overlay.hidden {
  display: none;
}

.detail-sheet {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--color-bg);
  border-top: 2px solid var(--color-gold);
  padding: 44px 26px 40px;
}

.detail-close {
  position: absolute;
  top: 12px;
  right: 16px;
  width: auto;
  margin: 0;
  padding: 4px 10px;
  font-size: 1.5rem;
  line-height: 1;
  background: transparent;
  border: none;
  color: var(--color-text-sub);
  cursor: pointer;
  letter-spacing: 0;
}
.detail-close:hover { background: transparent; color: var(--color-text); border: none; }

.detail-headline {
  font-family: var(--font-en);
  font-size: 1.15rem;
  color: var(--color-text);
  margin: 0 0 24px;
  text-align: center;
}

.detail-section-title {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-sub);
  margin: 26px 0 14px;
}

.detail-table {
  display: grid;
  grid-template-columns: 96px 1fr;
  row-gap: 10px;
  font-size: 0.82rem;
  margin: 0 0 18px;
}
.detail-table dt { color: var(--color-text-sub); }
.detail-table dd { margin: 0; }

.detail-note {
  font-size: 0.72rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin: 14px 0 0;
}

/* マッチング度リング */
.dt-ring-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 8px;
}
.dt-ring {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  flex-shrink: 0;
  background: conic-gradient(var(--color-gold) calc(var(--pct) * 1%), var(--color-border) 0);
  display: flex;
  align-items: center;
  justify-content: center;
}
.dt-ring-inner {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.dt-ring-num {
  font-family: var(--font-en);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text);
}
.dt-ring-num small { font-size: 0.7rem; }
.dt-ring-cap {
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  color: var(--color-gold-dark);
  margin-top: 3px;
}
.dt-ring-caption {
  font-size: 0.74rem;
  line-height: 1.8;
  color: var(--color-text-sub);
}

.dt-bars { margin: 0 0 8px; }
.dt-bar { margin-bottom: 12px; }
.dt-bar-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  margin-bottom: 5px;
}
.dt-bar-track { height: 3px; background: var(--color-border); }
.dt-bar-fill { height: 100%; background: var(--color-gold); }

.intro-detail-button { margin-bottom: 14px; }

/* 日程調整：送信済み表示 */
.schedule-sent-label {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--color-gold-dark);
  margin: 4px 0 8px;
}
.schedule-sent-note {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--color-text-sub);
  margin: 0 0 12px;
}
.schedule-sent-list {
  margin: 0 0 10px;
  padding-left: 1.1em;
}
.schedule-sent-list li {
  font-size: 0.86rem;
  margin-bottom: 4px;
}
.schedule-sent-at {
  font-size: 0.74rem;
  color: var(--color-text-sub);
  margin: 0 0 14px;
}