/*
**************************************************
* 2026年06月23日 style.css ALAN HP新規作成
* 2026年06月23日 style.css セクション余白を8pxグリッドに統一（--space-section/heading/card 変数追加）
* 2026年06月24日 style.css カレンダー表示用スタイルを追加
**************************************************
*/

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:       #0d0d0d;
  --color-surface:  #1a1a1a;
  --color-border:   #333333;
  --color-accent:   #c8a96e;
  --color-text:     #f0ece4;
  --color-muted:    #999999;
  --color-error:    #e05555;
  --font-base:      'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  --font-size-base: 18px;
  --max-width:      1040px;
  --space-section:  48px;
  --space-heading:  16px;
  --space-card:     24px;
  --space-item-gap: 24px;
}

html {
  font-size: var(--font-size-base);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Focus visible (global) ──────────────────────── */

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Header ─────────────────────────────────────── */

header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 24px;
  text-align: center;
}

header .site-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-decoration: none;
  display: block;
}

header .site-subtitle {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 4px;
  letter-spacing: 0.08em;
}

/* ── Nav ─────────────────────────────────────────── */

nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

nav ul li a {
  display: block;
  padding: 14px 18px;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  transition: color 0.2s ease;
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--color-accent);
}

/* ── Main ────────────────────────────────────────── */

main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
}

/* ── Section heading ─────────────────────────────── */

.section-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  border-left: 4px solid var(--color-accent);
  padding-left: 12px;
  margin: var(--space-section) 0 var(--space-heading);
  letter-spacing: 0.08em;
}

.section-heading:first-child {
  margin-top: 0;
}

/* ── Hero ────────────────────────────────────────── */

.hero {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 400px;
  height: 60vh;
  background-image: url('../images/hero.jpg');
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface); /* 画像未配置時のフォールバック */
  margin-bottom: var(--space-section);
  text-align: center;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 10% 32px 24px;
}

.hero h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  line-height: 1.4;
}

.hero p {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
}

@media (max-width: 600px) {
  .hero {
    height: 50vh;
  }

  .hero-inner {
    padding: 10% 16px 24px;
  }
}

/* ── Info card ───────────────────────────────────── */

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-card);
  margin-bottom: var(--space-card);
}

.info-card dt {
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.info-card dd {
  font-size: 1.05rem;
  margin-left: 0;
  margin-bottom: var(--space-item-gap);
}

.info-card dd:last-child {
  margin-bottom: 0;
}

/* ── CTA block ───────────────────────────────────── */

.cta-block {
  text-align: center;
  margin: var(--space-section) 0;
}

.btn-cta {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
  border-radius: 6px;
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-base);
  letter-spacing: 0.08em;
  padding: 16px 40px;
  width: 100%;
  max-width: 360px;
  box-sizing: border-box;
  transition: filter 0.2s ease;
}

.btn-cta:hover {
  filter: brightness(1.12);
}

/* ── Instagram placeholder ───────────────────────── */

.instagram-feed {
  margin: 0;
}

.instagram-feed-placeholder {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  padding: 40px 24px;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ── Schedule ────────────────────────────────────── */

.schedule-list {
  list-style: none;
  padding: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.schedule-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-card);
  margin-bottom: var(--space-heading);
}

.schedule-item .date {
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.schedule-item .title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.schedule-item .detail {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ── Menu ────────────────────────────────────────── */

.menu-category {
  margin-bottom: 32px;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  gap: 16px;
}

.menu-item:last-child {
  border-bottom: none;
}

.menu-item .name {
  font-size: 1rem;
}

.menu-item .price {
  margin-left: 0; /* dd要素のブラウザデフォルト余白をリセット */
  font-size: 1rem;
  color: var(--color-accent);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Form ────────────────────────────────────────── */

.form-group {
  margin-bottom: var(--space-card);
}

.form-group label {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.form-group label .required {
  color: var(--color-error);
  margin-left: 4px;
  font-size: 0.8rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text);
  font-size: 1rem;
  font-family: var(--font-base);
  padding: 16px;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 0;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.btn-submit {
  display: block;
  width: 100%;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: 6px;
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-base);
  padding: 16px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: opacity 0.2s;
}

.btn-submit:hover {
  opacity: 0.85;
}

/* ── Audition ────────────────────────────────────── */

.audition-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-card);
  margin-bottom: var(--space-card);
}

.audition-block h3 {
  font-size: 1.05rem;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.audition-block ul,
.audition-block ol {
  padding-left: 1.4em;
  line-height: 1.9;
}

.audition-block p {
  line-height: 1.9;
}

/* ── Footer ──────────────────────────────────────── */

footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 32px 20px;
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.8;
}

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

footer a:hover {
  color: var(--color-accent);
}

/* ── Utility ─────────────────────────────────────── */

.text-muted {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: var(--space-card); }

/* ── Responsive (wider screens) ──────────────────── */

/* ── Calendar ────────────────────────────────────── */

.calendar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 32px;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

.calendar-header button {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.2rem;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  cursor: pointer;
}

#calMonthLabel {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-accent);
  min-width: 7em;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-weekday {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-muted);
  padding-bottom: 4px;
}

.cal-day {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 0.9rem;
}

.cal-day-num {
  pointer-events: none;
}

.cal-blank {
  visibility: hidden;
}

.cal-day.has-event {
  background: rgba(200, 169, 110, 0.12);
  border: 1px solid var(--color-accent);
  cursor: pointer;
  font-weight: 700;
}

.cal-dot {
  position: absolute;
  bottom: 4px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.cal-event-detail {
  margin-top: 16px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.cal-event-detail:empty {
  display: none;
}

@media (min-width: 720px) {
  nav ul li a {
    padding: 16px 24px;
  }
}

/* ── Responsive (narrow / smartphone) ───────────── */

@media (max-width: 480px) {
  nav ul li a {
    padding: 12px 8px;
    font-size: 0.78rem;
  }
}