/* ===================================
   QINO 森秘茶 Launch Experience
   Style Sheet
   =================================== */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-main: #E3E9E0;
  --color-sub: #3B6949;
  --color-text: #000000;
  --color-white: #FFFFFF;
  --color-gray: #888888;
  --color-light-gray: #D0D0D0;
  --color-disabled: #B0B0B0;
  --color-error: #C0392B;
  --color-bg-alt: #F5F7F4;
  --font-primary: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "YuMincho", serif;
  --font-logo: "Futura", "Futura-Medium", sans-serif;
  --max-width: 960px;
  --spacing: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-main);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--color-sub);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(227, 233, 224, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  font-family: var(--font-logo);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text);
  text-decoration: none;
}

.header-contact {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 2px;
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #2a3a2e;
  background-image:
    linear-gradient(135deg, rgba(59, 105, 73, 0.3) 0%, rgba(42, 58, 46, 0.8) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(227, 233, 224, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(59, 105, 73, 0.15) 0%, transparent 50%);
}

.hero-overlay {
  position: relative;
  text-align: center;
  color: var(--color-main);
  padding: 24px;
}

.hero-sub {
  font-size: 12px;
  letter-spacing: 0.3em;
  margin-bottom: 24px;
  opacity: 0.8;
}

.hero-title {
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(14px, 2.5vw, 18px);
  letter-spacing: 0.25em;
  margin-bottom: 8px;
  opacity: 0.9;
}

.hero-en {
  font-size: clamp(12px, 2vw, 15px);
  letter-spacing: 0.15em;
  font-style: italic;
  opacity: 0.7;
}

/* --- Lead --- */
.lead {
  padding: 80px 0;
  text-align: center;
}

.lead-text {
  font-size: 15px;
  line-height: 2.2;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

/* --- About Sections --- */
.about {
  padding: 80px 0;
}

.about--alt {
  background-color: var(--color-bg-alt);
}

.about-block {
  display: flex;
  gap: 48px;
  align-items: center;
}

.about-block--reverse {
  flex-direction: row-reverse;
}

.about-image {
  flex: 0 0 400px;
  height: 300px;
  overflow: hidden;
  border-radius: 16px;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content {
  flex: 1;
}

.section-title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  line-height: 1.5;
}

.section-title--center {
  text-align: center;
}

.about-content p {
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* --- Event Info --- */
.event-info {
  padding: 80px 0;
  background-color: var(--color-bg-alt);
}

.info-grid {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  gap: 0;
}

.info-item {
  display: flex;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

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

.info-label {
  flex: 0 0 100px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--color-gray);
}

.info-value {
  flex: 1;
  font-size: 14px;
  letter-spacing: 0.05em;
  line-height: 1.8;
}

/* --- Venue --- */
.venue {
  padding: 80px 0;
}

.venue-name {
  text-align: center;
  font-size: 18px;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.venue-address {
  text-align: center;
  font-size: 13px;
  color: var(--color-gray);
  letter-spacing: 0.05em;
  margin-bottom: 32px;
}

.venue-map {
  width: 100%;
  max-width: 720px;
  margin: 0 auto 16px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.venue-map iframe {
  display: block;
}

.venue-link {
  display: block;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.05em;
  margin-top: 16px;
}

/* --- Reservation --- */
.reservation {
  padding: 80px 0;
  background-color: var(--color-bg-alt);
}

.reservation-desc {
  text-align: center;
  font-size: 14px;
  color: var(--color-gray);
  letter-spacing: 0.05em;
  margin-bottom: 40px;
}

/* Date Tabs */
.date-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.date-tab {
  font-family: var(--font-primary);
  font-size: 14px;
  letter-spacing: 0.08em;
  padding: 12px 28px;
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.date-tab:hover {
  background-color: var(--color-text);
  color: var(--color-main);
}

.date-tab.active {
  background-color: var(--color-text);
  color: var(--color-main);
}

/* Time Slots */
.time-slots {
  max-width: 600px;
  margin: 0 auto 40px;
}

.time-slot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: background-color 0.2s ease;
}

.time-slot:first-child {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.time-slot-time {
  font-size: 16px;
  letter-spacing: 0.08em;
  flex: 0 0 140px;
}

.time-slot-remaining {
  font-size: 12px;
  color: var(--color-gray);
  letter-spacing: 0.05em;
  flex: 1;
  text-align: center;
}

.time-slot-remaining.full {
  color: var(--color-error);
}

.time-slot-btn {
  font-family: var(--font-primary);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 8px 24px;
  border: 1px solid var(--color-sub);
  background: transparent;
  color: var(--color-sub);
  cursor: pointer;
  transition: all 0.2s ease;
}

.time-slot-btn:hover {
  background-color: var(--color-sub);
  color: var(--color-white);
}

.time-slot-btn.selected {
  background-color: var(--color-sub);
  color: var(--color-white);
}

.time-slot-btn:disabled {
  border-color: var(--color-disabled);
  color: var(--color-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

.time-slot-btn:disabled:hover {
  background: transparent;
  color: var(--color-disabled);
}

/* Reservation Form */
.reservation-form {
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 40px;
  background-color: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.form-title {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 32px;
}

.selected-slot {
  text-align: center;
  font-size: 14px;
  letter-spacing: 0.08em;
  padding: 16px;
  background-color: var(--color-main);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.required {
  color: var(--color-error);
  font-size: 11px;
}

.form-input,
.form-select {
  font-family: var(--font-primary);
  font-size: 14px;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  background-color: var(--color-white);
  color: var(--color-text);
  letter-spacing: 0.05em;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-sub);
}

.form-input::placeholder {
  color: var(--color-light-gray);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-error {
  font-size: 12px;
  color: var(--color-error);
  margin-top: 6px;
  display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-select {
  border-color: var(--color-error);
}

.form-group.has-error .form-error {
  display: block;
}

.companion-fields {
  margin-bottom: 8px;
}

.companion-field {
  margin-bottom: 16px;
}

.companion-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}

/* Buttons */
.btn {
  font-family: var(--font-primary);
  font-size: 14px;
  letter-spacing: 0.15em;
  display: block;
  width: 100%;
  padding: 16px 32px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-sub);
  color: var(--color-white);
}

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

.btn-primary:disabled {
  background-color: var(--color-disabled);
  cursor: not-allowed;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
}

.modal {
  background-color: var(--color-white);
  max-width: 480px;
  width: 100%;
  padding: 48px 40px;
  text-align: center;
}

.modal-icon {
  width: 56px;
  height: 56px;
  border: 2px solid var(--color-sub);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 24px;
  color: var(--color-sub);
}

.modal-title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.modal-details {
  text-align: left;
  padding: 20px 24px;
  background-color: var(--color-main);
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.05em;
}

.modal-note {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 32px;
}

/* --- Notes --- */
.notes {
  padding: 80px 0;
}

.notes-list {
  max-width: 700px;
  margin: 0 auto;
  list-style: none;
}

.notes-list li {
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--color-gray);
  padding-left: 16px;
  position: relative;
  margin-bottom: 12px;
}

.notes-list li::before {
  content: '※';
  position: absolute;
  left: 0;
}

/* --- Footer --- */
.footer {
  padding: 48px 0;
  text-align: center;
  background-color: var(--color-text);
  color: var(--color-main);
}

.footer-brand {
  font-family: var(--font-logo);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}

.footer-contact {
  font-size: 12px;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--color-main);
  border-bottom: 1px solid rgba(227, 233, 224, 0.4);
  padding-bottom: 1px;
}

.footer-copy {
  font-size: 11px;
  letter-spacing: 0.05em;
  opacity: 0.5;
  margin-top: 16px;
}

/* --- Loading --- */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--color-gray);
  font-size: 13px;
  letter-spacing: 0.05em;
}

.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-light-gray);
  border-top-color: var(--color-sub);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 {
  transition-delay: 0.15s;
}

.fade-in-delay-2 {
  transition-delay: 0.3s;
}

.parallax-image {
  overflow: hidden;
}

.parallax-image img {
  transform: scale(1.08);
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .fade-in-delay-1,
  .fade-in-delay-2 {
    transition-delay: 0s;
  }

  .parallax-image img {
    transform: none;
    will-change: auto;
  }
}

/* --- Utility --- */
.pc-only {
  display: inline;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .pc-only {
    display: none;
  }

  .hero {
    min-height: 500px;
  }

  .hero-title {
    letter-spacing: 0.15em;
  }

  .lead {
    padding: 60px 0;
  }

  .lead-text {
    font-size: 14px;
    line-height: 2;
  }

  .about {
    padding: 60px 0;
  }

  .about-block,
  .about-block--reverse {
    flex-direction: column;
  }

  .about-image {
    flex: none;
    width: 100%;
    height: 220px;
  }

  .event-info {
    padding: 60px 0;
  }

  .info-item {
    flex-direction: column;
    gap: 4px;
  }

  .info-label {
    flex: none;
  }

  .venue {
    padding: 60px 0;
  }

  .venue-map iframe {
    height: 280px;
  }

  .reservation {
    padding: 60px 0;
  }

  .date-tabs {
    flex-direction: row;
    gap: 8px;
  }

  .date-tab {
    flex: 1;
    padding: 10px 12px;
    font-size: 13px;
  }

  .time-slot {
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 20px;
  }

  .time-slot-time {
    flex: 0 0 auto;
  }

  .time-slot-remaining {
    flex: 1;
    text-align: right;
  }

  .time-slot-btn {
    width: 100%;
    text-align: center;
  }

  .reservation-form {
    padding: 32px 24px;
  }

  .notes {
    padding: 60px 0;
  }

  .modal {
    padding: 32px 24px;
  }
}