:root {
  --snow-white: #F7F7F5;
  --natural-beige: #D8C7AE;
  --wood-beige: #BFA98A;
  --forest-green: #7C8B7A;
  --blue-gray: #5E6470;
  --heading-color: #3E434C;
  --beige-light: #EDE6DA;
  --placeholder-bg: #E6E3DC;
  --placeholder-border: #B9B3A6;
  --font-heading: 'Shippori Mincho', 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-body: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --content-width: 1200px;
  --side-gutter: clamp(24px, 5vw, 72px);
  --section-pad: clamp(64px, 8vw, 120px);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  color: var(--blue-gray);
  background: var(--snow-white);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.1vw, 16px);
  font-weight: 300;
  line-height: 1.9;
  overflow-x: hidden;
}

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

a:focus-visible {
  outline: 2px solid var(--heading-color);
  outline-offset: 4px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2 {
  color: var(--heading-color);
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

h1 {
  color: #fff;
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 1.42;
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
}

h3 {
  color: var(--heading-color);
  font-size: clamp(0.82rem, 1vw, 0.92rem);
  font-weight: 400;
  line-height: 1.7;
  text-align: center;
}


.media-image {
  display: block;
  width: 100%;
  max-width: 100%;
  object-fit: cover;
}

.lobby__media .media-image,
.image-list .media-image {
  height: auto;
}
/* ▼画像差し替え時はこのブロックごと削除 */
.ph {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background: var(--placeholder-bg);
  border: 1px dashed var(--placeholder-border);
}

.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 38%),
    linear-gradient(0deg, rgba(124, 139, 122, 0.08), rgba(124, 139, 122, 0.08));
}

.ph::after {
  content: attr(data-label);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  width: min(80%, 18em);
  color: rgba(62, 67, 76, 0.68);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.6;
  text-align: center;
  transform: translate(-50%, -50%);
}

#ph-hero,
#ph-lobby-main,
#ph-cta {
  aspect-ratio: 16 / 9;
}

#ph-concept,
#ph-room-main,
#ph-room-01,
#ph-room-02,
#ph-room-03,
#ph-lobby-01,
#ph-lobby-02,
#ph-lobby-03 {
  aspect-ratio: 4 / 3;
}

#ph-winter-01,
#ph-winter-02,
#ph-winter-03 {
  aspect-ratio: 3 / 4;
}
/* ▲画像差し替え時はこのブロックごと削除 */

.container {
  width: min(var(--content-width), calc(100% - var(--side-gutter) * 2));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-pad);
}

.section-copy {
  max-width: 35em;
}

.section-copy p:not(.section-label) {
  margin-top: clamp(24px, 3vw, 36px);
}

.section-label {
  margin-bottom: clamp(16px, 2vw, 24px);
  color: var(--heading-color);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1.4;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  min-height: 50px;
  margin-top: clamp(28px, 3vw, 40px);
  padding: 0.85em 1.7em;
  border: 1px solid transparent;
  border-radius: 2px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 400;
  gap: 1.2em;
  line-height: 1.4;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.button--wood {
  background: var(--wood-beige);
}

.button--wood:hover {
  background: #a9906d;
}

.button--green {
  background: var(--forest-green);
}

.button--green:hover {
  background: #657765;
}

.button--outline {
  border-color: rgba(255, 255, 255, 0.86);
  background: transparent;
}

.button--outline:hover {
  color: var(--forest-green);
  background: #fff;
  border-color: #fff;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #1f2524;
}

.hero__visual {
  position: absolute;
  inset: 0;
  height: 100%;
  border: 0;
  object-fit: cover;
  object-position: center center;
}

.hero__visual::after {
  color: rgba(255, 255, 255, 0.58);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.34);
}

.hero__brand,
.hero__body,
.hero__scroll {
  position: relative;
  z-index: 2;
}

.hero__brand {
  position: absolute;
  top: clamp(24px, 4vw, 52px);
  left: var(--side-gutter);
  display: grid;
  color: #fff;
  font-family: var(--font-heading);
  font-size: clamp(0.86rem, 1.4vw, 1.02rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.9;
}

.hero__brand span + span {
  font-family: var(--font-body);
  font-size: 0.82em;
  letter-spacing: 0.16em;
}

.hero__body {
  display: flex;
  min-height: 100svh;
  width: min(1080px, calc(100% - var(--side-gutter) * 2));
  margin-left: var(--side-gutter);
  margin-right: auto;
  padding: 18vh 0 18vh;
  flex-direction: column;
  justify-content: flex-end;
}

.hero__lead {
  margin-top: clamp(16px, 2vw, 26px);
  color: #fff;
  font-family: var(--font-heading);
  font-size: clamp(0.95rem, 1.6vw, 1.18rem);
  font-weight: 500;
  letter-spacing: 0.11em;
}

.hero__date {
  width: fit-content;
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid rgba(255, 255, 255, 0.56);
  color: #fff;
  font-size: clamp(0.82rem, 1.2vw, 0.96rem);
  letter-spacing: 0.08em;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  display: grid;
  justify-items: center;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  line-height: 1;
  transform: translateX(-50%);
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 34px;
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.82);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%,
  100% {
    transform: translateY(-4px);
  }

  50% {
    transform: translateY(8px);
  }
}

.concept {
  padding-block: 0;
  overflow: hidden;
  background: var(--snow-white);
}

.concept__grid {
  display: grid;
  grid-template-columns:
    minmax(var(--side-gutter), 1fr)
    minmax(280px, 430px)
    minmax(0, 760px)
    minmax(0, 1fr);
  width: 100%;
  max-width: none;
  align-items: stretch;
}

.concept .section-copy {
  grid-column: 2;
  align-self: center;
  padding-right: clamp(28px, 4vw, 58px);
}

.concept__media {
  position: relative;
  grid-column: 3 / 5;
  min-height: clamp(360px, 42vw, 620px);
  overflow: hidden;
}

.concept__wave {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  width: min(44%, 360px);
  height: 100%;
  color: var(--snow-white);
  pointer-events: none;
}

.concept__wave path {
  fill: currentColor;
}

#ph-concept {
  height: 100%;
  min-height: inherit;
  aspect-ratio: auto;
}

.room {
  padding-top: 0;
  background: #fff;
}

.room__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: clamp(42px, 6vw, 88px);
  align-items: start;
  margin-right: max(var(--side-gutter), calc((100vw - var(--content-width)) / 2));
}

.room__main-media {
  min-width: 0;
}

.room__main-media .media-image {
  aspect-ratio: 4 / 3;
  height: auto;
}

.room__copy {
  padding-block: clamp(30px, 4vw, 58px) 0;
}

.image-list {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
}

.room__sub-list {
  margin-top: clamp(28px, 4vw, 52px);
}

.room__sub-list .media-image {
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
}

.image-list--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.image-list article {
  min-width: 0;
}

.image-list h3 {
  margin-top: 14px;
}

.lobby {
  background: var(--beige-light);
}

.lobby__grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
}

.lobby__sub {
  margin-top: clamp(42px, 5vw, 72px);
}

.winter {
  background: var(--snow-white);
}

.winter__grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(42px, 6vw, 88px);
  align-items: center;
}

.winter__photos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.3vw, 18px);
}

.experience-icons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(58px, 7vw, 92px);
  border-top: 1px solid rgba(94, 100, 112, 0.18);
  border-bottom: 1px solid rgba(94, 100, 112, 0.18);
}

.experience-icon {
  display: grid;
  min-height: 128px;
  padding: 24px 16px;
  border-right: 1px solid rgba(94, 100, 112, 0.18);
  place-items: center;
  text-align: center;
}

.experience-icon:first-child {
  border-left: 1px solid rgba(94, 100, 112, 0.18);
}


.experience-icon__image {
  display: block;
  width: 60px;
  height: 60px;
  margin-bottom: 14px;
  object-fit: contain;
}
.experience-icon svg {
  width: 60px;
  height: 60px;
  margin-bottom: 14px;
  fill: none;
  stroke: var(--blue-gray);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.3;
}

.experience-icon p {
  color: var(--heading-color);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.65;
}

.cta {
  position: relative;
  display: grid;
  min-height: clamp(320px, 34vw, 460px);
  overflow: hidden;
  background: var(--forest-green);
  place-items: center;
  text-align: center;
}

.cta__visual {
  position: absolute;
  inset: 0;
  height: 100%;
  border: 0;
  object-fit: cover;
  object-position: center center;
}

.cta__visual::after {
  color: rgba(255, 255, 255, 0.58);
}

.cta__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(89, 111, 92, 0.72);
}

.cta__inner {
  position: relative;
  z-index: 2;
  padding-block: var(--section-pad);
}

.cta h2,
.cta p {
  color: #fff;
}

.cta p {
  margin-top: 18px;
  font-family: var(--font-heading);
  font-size: clamp(0.92rem, 1.4vw, 1.08rem);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.cta__note {
  position: absolute;
  right: var(--side-gutter);
  bottom: 20px;
  z-index: 2;
  max-width: min(80vw, 560px);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.62rem;
  line-height: 1.6;
  text-align: right;
}

@media (max-width: 768px) {
  :root {
    --side-gutter: 22px;
    --section-pad: clamp(60px, 16vw, 72px);
  }

  body {
    line-height: 1.85;
  }

  h1 {
    font-size: clamp(2.2rem, 12vw, 3.35rem);
  }

  h2 {
    font-size: clamp(1.55rem, 7vw, 2.05rem);
  }

  .hero {
    min-height: 76svh;
  }

  .hero__visual {
    height: 100%;
    object-position: center center;
  }

  .section-copy {
    max-width: none;
  }

  .hero__body {
    width: calc(100% - var(--side-gutter) * 2);
    min-height: 76svh;
    padding: 140px 0 92px;
  }

  .hero__date {
    width: 100%;
  }

  .concept__grid,
  .lobby__grid,
  .winter__grid {
    grid-template-columns: 1fr;
  }

  .concept .section-copy {
    grid-column: 1;
    width: calc(100% - var(--side-gutter) * 2);
    margin-inline: auto;
    padding: var(--section-pad) 0;
  }

  .concept__media {
    grid-column: 1;
    min-height: 0;
    order: -1;
  }

  .concept__wave {
    display: none;
  }

  #ph-concept {
    height: auto;
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .room__intro {
    grid-template-columns: 1fr;
    gap: 0;
    margin-right: 0;
  }

  .room__copy {
    width: calc(100% - var(--side-gutter) * 2);
    margin-inline: auto;
  }

  .image-list--three,
  .winter__photos {
    grid-template-columns: 1fr;
  }

  .lobby__sub {
    margin-top: 36px;
  }

  .experience-icons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .experience-icon {
    border-right: 1px solid rgba(94, 100, 112, 0.18);
    border-bottom: 1px solid rgba(94, 100, 112, 0.18);
  }

  .experience-icon:nth-child(odd) {
    border-left: 1px solid rgba(94, 100, 112, 0.18);
  }

  .cta {
    min-height: 360px;
  }

  .cta__note {
    right: var(--side-gutter);
    left: var(--side-gutter);
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    animation: none;
    transition: none;
  }
}