@charset "UTF-8";

:root {
  --base: #fbf6ef;
  --base-dark: #f3e8dc;
  --white: #ffffff;
  --text: #4a332b;
  --muted: #7c665c;
  --accent: #d98f89;
  --accent-dark: #c77772;
  --line: #eadbd0;
  --shadow: 0 20px 50px rgba(93, 61, 43, 0.12);
  --radius: 22px;
  --inner: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text);
  font-family:
    "Hiragino Mincho ProN",
    "Yu Mincho",
    "YuMincho",
    "Noto Serif JP",
    serif;
  line-height: 1.8;
  background:
    radial-gradient(circle at right top, rgba(235, 204, 190, 0.35), transparent 32%),
    linear-gradient(180deg, #fffaf5 0%, var(--base) 45%, #fffaf5 100%);
  overflow-x: hidden;
}

img {
  width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

/* Header */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 250, 245, 0.92);
  border-bottom: 1px solid rgba(234, 219, 208, 0.7);
  backdrop-filter: blur(18px);
}

.header-inner {
  max-width: var(--inner);
  height: 82px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  line-height: 1.2;
}

.logo-mark {
  color: #b98e65;
  font-size: 24px;
}

.logo strong {
  display: block;
  font-size: 22px;
  letter-spacing: 0.03em;
  font-weight: 500;
}

.logo small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 13px;
}

.nav a {
  transition: color 0.3s ease;
}

.nav a:hover {
  color: var(--accent-dark);
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 14px 28px rgba(201, 116, 108, 0.24);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.header-btn.sub {
  background: #b98e65;
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 1px;
  margin: 7px auto;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(35deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-35deg);
}

.mobile-nav {
  display: none;
}

/* Common */

.section-label {
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-size: 12px;
  letter-spacing: 0.18em;
  font-family: Georgia, serif;
}

.section-head {
  margin-bottom: 34px;
}

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

.section-head h2 {
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

/* Hero */

.reserve-hero {
  padding: 80px 28px 50px;
}

.reserve-hero-inner {
  max-width: var(--inner);
  min-height: 360px;
  margin: 0 auto;
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 330px;
  align-items: center;
  gap: 44px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 250, 245, 0.9), rgba(243, 232, 220, 0.72)),
    var(--base);
  box-shadow: var(--shadow);
}

.reserve-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.08em;
}

.reserve-hero p {
  max-width: 560px;
  color: var(--muted);
  font-size: 15px;
}

.reserve-hero-card {
  padding: 38px 30px;
  text-align: center;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 28px;
}

.reserve-hero-card .card-label {
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.reserve-hero-card h2 {
  margin-bottom: 14px;
  color: var(--accent-dark);
  font-size: 48px;
  font-family: Georgia, serif;
  font-weight: 400;
}

.reserve-hero-card p {
  color: var(--muted);
  font-size: 14px;
}

/* Reserve Main */

.reserve-section {
  padding: 50px 28px 90px;
}

.reserve-container {
  max-width: var(--inner);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 44px;
  align-items: start;
}

.reserve-info {
  position: sticky;
  top: 110px;
  padding: 38px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.reserve-info h2,
.form-head h2 {
  margin-bottom: 18px;
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 500;
  line-height: 1.45;
}

.info-list {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.info-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
}

.info-item span {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 15px;
}

.info-item h3 {
  margin-bottom: 6px;
  font-size: 18px;
  font-weight: 500;
}

.info-item p,
.form-head p {
  color: var(--muted);
  font-size: 14px;
}

/* Form */

.reserve-form-wrap {
  padding: 12px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(234, 219, 208, 0.8);
}

.reserve-form {
  padding: 42px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.form-head {
  margin-bottom: 34px;
}

.form-group {
  margin-bottom: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 14px;
}

label span {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  color: #fff;
  background: var(--accent);
  font-size: 11px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fffaf6;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input,
select {
  height: 52px;
  padding: 0 16px;
}

textarea {
  padding: 14px 16px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(217, 143, 137, 0.14);
}

.privacy-box {
  margin: 28px 0;
  padding: 18px;
  background: #fffaf6;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.privacy-box label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.privacy-box input {
  width: 18px;
  height: 18px;
}

.submit-btn {
  width: 100%;
  min-height: 58px;
  border: none;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 14px 28px rgba(201, 116, 108, 0.24);
  font-size: 16px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(201, 116, 108, 0.3);
}

.form-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}

/* Flow */

.flow-section {
  max-width: var(--inner);
  margin: 0 auto;
  padding: 20px 28px 100px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.flow-card {
  padding: 34px 26px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.flow-card span {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-family: Georgia, serif;
}

.flow-card h3 {
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 500;
}

.flow-card p {
  color: var(--muted);
  font-size: 14px;
}

/* Footer */

.footer {
  background: #4d372f;
  color: #fffaf5;
}

.footer-inner {
  max-width: var(--inner);
  margin: 0 auto;
  padding: 70px 28px 48px;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 44px;
}

.footer-logo .logo-mark,
.footer-logo small {
  color: #d9b58f;
}

.footer p {
  color: rgba(255, 250, 245, 0.72);
  font-size: 14px;
}

.footer h3 {
  margin-bottom: 16px;
  color: #e8cfb8;
  font-size: 14px;
  letter-spacing: 0.14em;
  font-family: Georgia, serif;
}

.footer-bottom {
  padding: 18px 28px;
  text-align: center;
  border-top: 1px solid rgba(255, 250, 245, 0.12);
}

.footer-bottom p {
  color: rgba(255, 250, 245, 0.56);
  font-size: 12px;
}

/* Fade In */

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

body.js-enabled .fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

body.js-enabled .fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

/* Tablet */

@media (max-width: 1024px) {
  .header-inner {
    height: 74px;
  }

  .nav,
  .header-btn {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .mobile-nav {
    display: none;
    padding: 18px 28px 28px;
    background: rgba(255, 250, 245, 0.98);
    border-top: 1px solid var(--line);
    box-shadow: 0 18px 38px rgba(93, 61, 43, 0.08);
  }

  .mobile-nav.active {
    display: grid;
    gap: 14px;
  }

  .mobile-nav a {
    color: var(--muted);
    font-size: 14px;
  }

  .mobile-reserve {
    width: fit-content;
    margin-top: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    color: #fff !important;
    background: var(--accent);
  }

  .reserve-hero-inner {
    grid-template-columns: 1fr;
    padding: 44px;
  }

  .reserve-hero-card {
    max-width: 360px;
  }

  .reserve-container {
    grid-template-columns: 1fr;
  }

  .reserve-info {
    position: static;
  }

  .flow-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

/* Smartphone */

@media (max-width: 640px) {
  .header-inner {
    height: 70px;
    padding: 0 18px;
  }

  .logo strong {
    font-size: 17px;
  }

  .logo small {
    font-size: 9px;
  }

  .mobile-nav {
    padding: 16px 18px 24px;
  }

  .reserve-hero {
    padding: 42px 18px 28px;
  }

  .reserve-hero-inner {
    min-height: auto;
    padding: 32px 24px;
    border-radius: 24px;
  }

  .reserve-hero h1 {
    font-size: 40px;
  }

  .reserve-section {
    padding: 32px 18px 70px;
  }

  .reserve-info {
    padding: 28px 22px;
  }

  .info-item {
    grid-template-columns: 44px 1fr;
  }

  .info-item span {
    width: 44px;
    height: 44px;
  }

  .reserve-form-wrap {
    padding: 0;
    border: none;
    background: transparent;
  }

  .reserve-form {
    padding: 30px 22px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .privacy-box label {
    align-items: flex-start;
  }

  .flow-section {
    padding: 10px 18px 80px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    padding: 56px 18px 38px;
  }
}