/* =========================================
   River Side Café 鹿都 — style.css
   ========================================= */

:root {
  --color-bg: #fdfbf5;
  --color-bg-alt: #f4efe3;
  --color-text: #3c3126;
  --color-text-soft: #6b5f50;
  --color-primary: #b8412c;
  --color-primary-dark: #8f2f1e;
  --color-primary-light: #f4ded4;
  --color-white: #ffffff;

  --font-heading: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", sans-serif;
  --font-accent: "Cormorant Garamond", serif;

  --container-width: 1160px;
  --space-section: clamp(4rem, 8vw, 8rem);
  --radius-md: 14px;
  --radius-lg: 28px;
  --transition-fast: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  margin: 0;
  font-weight: 700;
  color: var(--color-text);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75em 1.5em;
  z-index: 999;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Common ---------- */

.c-kicker {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}
.c-kicker--center {
  text-align: center;
}

.c-heading {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
.c-heading--center {
  text-align: center;
}

.c-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9em 2.1em;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  border: 1.5px solid transparent;
  cursor: pointer;
}
.c-button--primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(184, 65, 44, 0.5);
}
.c-button--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
}
.c-button--outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.c-button--outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}
.c-button--ghost {
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(2px);
}
.c-button--ghost:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ---------- Scroll-fade animation ---------- */

[data-fade-up],
[data-fade-left],
[data-fade-right] {
  opacity: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  transition-delay: var(--fade-delay, 0s);
}
[data-fade-up] {
  transform: translateY(28px);
}
[data-fade-left] {
  transform: translateX(-32px);
}
[data-fade-right] {
  transform: translateX(32px);
}
.is-visible[data-fade-up],
.is-visible[data-fade-left],
.is-visible[data-fade-right] {
  opacity: 1;
  transform: translate(0, 0);
}

/* ---------- Header ---------- */

.l-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast), padding var(--transition-fast);
  padding: 1.4rem 0;
}
.l-header.is-scrolled {
  background-color: rgba(253, 251, 245, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 24px -12px rgba(60, 49, 38, 0.25);
  padding: 0.85rem 0;
}
.l-header__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.l-header__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
}
.l-header.is-scrolled .l-header__logo {
  color: var(--color-text);
}
.l-header:not(.is-scrolled) .l-header__logo {
  color: #fff;
}
.l-header__logo-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--color-primary);
}
.l-header__logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.3;
}
.l-header__logo-sub {
  font-size: 1.15rem;
  letter-spacing: 0.15em;
}

.l-header__nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}
.l-header__nav ul {
  display: flex;
  gap: 1.8rem;
}
.l-header__nav a.js-nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  color: inherit;
}
.l-header:not(.is-scrolled) .l-header__nav a.js-nav-link {
  color: #fff;
}
.l-header__nav a.js-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1.5px;
  background: currentColor;
  transition: width var(--transition-fast);
}
.l-header__nav a.js-nav-link:hover::after {
  width: 100%;
}
.l-header:not(.is-scrolled) .l-header__cta {
  border-color: rgba(255, 255, 255, 0.85);
  color: #fff;
}
.l-header:not(.is-scrolled) .l-header__cta:hover {
  background-color: #fff;
  color: var(--color-primary);
}

.l-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.l-header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.l-header:not(.is-scrolled) .l-header__toggle span {
  background-color: #fff;
}

/* ---------- Hero ---------- */

.p-hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.p-hero__image,
.p-hero__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.p-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(60, 49, 38, 0.35) 0%, rgba(60, 49, 38, 0.15) 45%, rgba(60, 49, 38, 0.5) 100%);
}
.p-hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 1.5rem;
}
.p-hero__kicker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-accent);
  font-style: italic;
  letter-spacing: 0.25em;
  font-size: 1rem;
  margin-bottom: 1rem;
  opacity: 0.95;
}
.p-hero__kicker-icon {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.p-hero__title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  color: #fff;
  line-height: 1.35;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.p-hero__title span {
  font-size: 1.15em;
  letter-spacing: 0.2em;
}
.p-hero__lead {
  margin: 1.4rem 0 2.2rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  letter-spacing: 0.05em;
}
.p-hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.p-hero__scroll {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
}
.p-hero__scroll span {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: #fff;
  border-radius: 999px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { transform: translate(-50%, 0); opacity: 1; }
  70% { transform: translate(-50%, 16px); opacity: 0; }
  100% { transform: translate(-50%, 16px); opacity: 0; }
}

/* ---------- Section shared ---------- */

section {
  padding: var(--space-section) 1.5rem;
}

/* ---------- Concept ---------- */

.p-concept__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.p-concept__image img {
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.p-concept__body {
  color: var(--color-text-soft);
  margin-bottom: 1.2rem;
}
.p-concept__points {
  margin-top: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.p-concept__points li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.95rem;
  color: var(--color-text-soft);
}
.p-concept__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary-dark);
}

/* ---------- Menu ---------- */

.p-menu {
  background-color: var(--color-bg-alt);
}
.p-menu__inner {
  max-width: var(--container-width);
  margin: 0 auto;
}
.p-menu__lead {
  text-align: center;
  color: var(--color-text-soft);
  margin: 0 auto 2.5rem;
  max-width: 32em;
}
.p-menu__drinks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 3rem;
  max-width: 640px;
  margin: 0 auto;
}
.p-menu__drink-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--color-primary-dark);
  margin: 0 0 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary-light);
}
.p-menu__drink-list {
  display: flex;
  flex-direction: column;
}
.p-menu__drink-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed rgba(60, 49, 38, 0.15);
  font-size: 0.9rem;
}
.p-menu__drink-list li span:last-child {
  font-family: var(--font-accent);
  color: var(--color-text-soft);
  white-space: nowrap;
}
.p-menu__note {
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--color-text-soft);
  margin: 2rem auto 4rem;
  max-width: 34em;
}
.p-menu__section-title {
  text-align: center;
  font-size: 1.25rem;
  margin: 3rem 0 1.8rem;
}
.p-menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
}
.p-menu__grid--dessert {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 560px;
  margin: 0 auto;
}
@media (min-width: 720px) {
  .p-menu__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.p-menu__card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 12px 30px -18px rgba(60, 49, 38, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.p-menu__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -18px rgba(60, 49, 38, 0.4);
}
.p-menu__card-thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.p-menu__card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.p-menu__card:hover .p-menu__card-thumb img {
  transform: scale(1.06);
}
.p-menu__card-body {
  padding: 1.1rem 1.2rem 0.4rem;
  flex-grow: 1;
}
.p-menu__card-body h3 {
  font-size: 1.02rem;
  margin-bottom: 0.4rem;
}
.p-menu__card-desc {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin: 0;
  line-height: 1.65;
}
.p-menu__card-price {
  padding: 0.6rem 1.2rem 1.2rem;
  margin: 0;
  font-family: var(--font-accent);
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-top: auto;
}

/* ---------- Gallery ---------- */

.p-gallery__inner {
  max-width: var(--container-width);
  margin: 0 auto;
}
.p-gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 720px) {
  .p-gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.p-gallery__grid li {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.p-gallery__grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.p-gallery__grid li:hover img {
  transform: scale(1.08);
}

/* ---------- Access ---------- */

.p-access {
  background-color: var(--color-primary-light);
}
.p-access__inner {
  max-width: var(--container-width);
  margin: 0 auto;
}
.p-access__inner > .c-heading,
.p-access__inner > .c-kicker {
  text-align: center;
}
.p-access__content {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.p-access__map {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 12px 30px -18px rgba(60, 49, 38, 0.35);
}
.p-access__map-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: saturate(0.85) contrast(1.02);
}
.p-access__list {
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.p-access__list dt {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: 0.2rem;
}
.p-access__list dd {
  margin: 0;
  color: var(--color-text-soft);
}
.p-access__map-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  border-bottom: 1px solid currentColor;
  transition: color var(--transition-fast);
}
.p-access__map-link:hover {
  color: var(--color-primary);
}

/* ---------- Footer ---------- */

.l-footer {
  background-color: var(--color-text);
  color: rgba(255, 255, 255, 0.85);
  padding-top: 4rem;
}
.l-footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
.l-footer__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #fff;
  font-size: 1.1rem;
  margin: 0 0 0.8rem;
}
.l-footer__logo span {
  font-size: 1.2em;
  letter-spacing: 0.15em;
}
.l-footer__tagline {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}
.l-footer h3 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.l-footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.l-footer__nav a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}
.l-footer__nav a:hover {
  color: var(--color-primary-light);
}
.l-footer__social p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 1rem;
}
.l-footer__social ul {
  display: flex;
  gap: 0.9rem;
}
.l-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}
.l-footer__social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}
.l-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.4rem 1.5rem;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .p-concept__inner,
  .p-access__content {
    grid-template-columns: 1fr;
  }
  .p-concept__image {
    order: -1;
  }
  .l-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .l-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .l-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2.5rem;
    padding: 3rem 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-fast);
    box-shadow: -10px 0 30px -10px rgba(60, 49, 38, 0.2);
  }
  .l-header__nav.is-open {
    transform: translateX(0);
  }
  .l-header__nav ul {
    flex-direction: column;
    gap: 1.4rem;
  }
  .l-header__nav a.js-nav-link,
  .l-header:not(.is-scrolled) .l-header__nav a.js-nav-link {
    color: var(--color-text);
    font-size: 1.05rem;
  }
  .l-header__cta,
  .l-header:not(.is-scrolled) .l-header__cta {
    border-color: var(--color-primary);
    color: var(--color-primary);
  }
  .l-header__toggle {
    display: flex;
    z-index: 110;
  }
  .l-header__toggle span {
    background-color: var(--color-text) !important;
  }
  .l-header:not(.is-scrolled) .l-header__toggle span {
    background-color: #fff !important;
  }
  .l-header__nav.is-open ~ .l-header__toggle span,
  .l-header__toggle.is-active span {
    background-color: var(--color-text) !important;
  }
  .l-header__toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .l-header__toggle.is-active span:nth-child(2) {
    opacity: 0;
  }
  .l-header__toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .p-menu__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .p-menu__drinks {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 320px;
  }
  .p-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .l-footer__inner {
    grid-template-columns: 1fr;
  }
}