/* 朝の間クリニック（架空）。縦書きの見出し、静かな余白、空の章 */
:root {
  --paper: #F5F3ED;
  --paper-deep: #ECE9E1;
  --panel: #FBFAF7;
  --ink: #24302F;
  --ink-soft: #4A5553;
  --teal: #2E5E5A;
  --line: rgba(36, 48, 47, .16);
  --sky-deep: #2C527A;
  --mincho: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", YuMincho, "BIZ UDPMincho", serif;
  --gothic: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  --latin: Didot, "Bodoni 72", "Hoefler Text", Georgia, serif;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --stage: calc(100svh - 3rem);
}

body {
  color: var(--ink);
  background: var(--paper);
  font: 300 .9375rem/2.15 var(--gothic);
  letter-spacing: .07em;
  font-feature-settings: "palt";
}
main { overflow-x: clip; }
.latin { font-family: var(--latin); font-feature-settings: normal; letter-spacing: .08em; }
.tate {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--mincho);
  font-weight: 400;
  letter-spacing: .2em;
  line-height: 1.85;
}
.tate .v { display: block; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

/* ブランド */
.brand { display: flex; align-items: center; gap: .75rem; margin: 0; font-weight: 400; }
.brand__mark { flex: none; width: 1.75rem; height: 1.75rem; color: var(--teal); }
.brand__name { font: 400 1.0625rem/1.4 var(--mincho); letter-spacing: .16em; }
.brand__name { white-space: nowrap; }
.brand__sub { padding-left: .75rem; border-left: 1px solid var(--line); color: var(--ink-soft); font-size: .75rem; letter-spacing: .14em; white-space: nowrap; }
@media (max-width: 23.99rem) { .brand__sub { display: none; } }

/* 右の短冊のような案内（広い画面だけ） */
.tanzaku { display: none; }
@media (min-width: 64rem) {
  .tanzaku {
    position: fixed;
    top: calc(3rem + 1.25rem);
    right: 1.25rem;
    z-index: 800;
    display: flex;
    align-items: center;
    padding: 1rem 0 .5rem;
    writing-mode: vertical-rl;
    background: rgba(251, 250, 247, .92);
    box-shadow: 0 1px 0 rgba(36, 48, 47, .06), 0 10px 30px -18px rgba(36, 48, 47, .35);
    font: 400 .8125rem/1 var(--mincho);
    letter-spacing: .24em;
  }
  .tanzaku a { display: block; min-width: 3.25rem; min-height: 2.75rem; padding: .875rem 1.125rem; text-decoration: none; transition: color .4s ease; }
  .tanzaku__brand { position: relative; margin-bottom: .5rem; color: var(--teal); font-size: .9375rem; }
  .tanzaku__brand::after { content: ""; position: absolute; left: 50%; bottom: -.25rem; width: 1px; height: .75rem; background: var(--line); }
  .tanzaku__list { display: flex; margin: 0; }
  .tanzaku__list a { position: relative; color: var(--ink-soft); }
  .tanzaku__list a::before {
    content: "";
    position: absolute;
    top: .25rem;
    left: 50%;
    width: 5px;
    height: 5px;
    margin-left: -2.5px;
    border-radius: 50%;
    background: var(--teal);
    opacity: 0;
    transform: scale(.4);
    transition: opacity .5s ease, transform .5s ease;
  }
  .tanzaku__list a[aria-current="true"] { color: var(--teal); }
  .tanzaku__list a[aria-current="true"]::before { opacity: 1; transform: none; }
  .tanzaku a:hover { color: var(--teal); }
}

/* 最初の画面。紙の地に、アーチ形の窓の写真と、写真の外に置く縦書きの見出し */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "head head" "visual copy" "foot foot";
  column-gap: 1.25rem;
  row-gap: 1.75rem;
  padding: 1.5rem var(--gutter) clamp(4rem, 8vw, 6rem);
}
.hero__head { grid-area: head; }
.hero__visual { grid-area: visual; position: relative; }
.hero__arch { position: relative; height: clamp(24rem, 64svh, 40rem); overflow: hidden; border-radius: 999px 999px 0 0; background: var(--paper-deep); }
.hero__arch img { position: absolute; top: -6%; left: 0; width: 100%; height: 112%; object-fit: cover; object-position: 50% 70%; }
.hero__inset { display: none; }
.hero__copy { grid-area: copy; align-self: start; padding-top: 1rem; font-size: clamp(1.5rem, 1.1rem + 1.5vw, 2.5rem); letter-spacing: .3em; line-height: 2.1; }
.hero__foot { grid-area: foot; display: grid; gap: 1.5rem; }
.hero__lead { max-width: 24em; color: var(--ink-soft); }
.hero__hours { display: grid; gap: .25rem; color: var(--ink-soft); font-size: .75rem; line-height: 1.8; }
.hero__hours .latin { color: var(--ink); font-size: .9375rem; font-style: italic; }

@media (min-width: 48rem) {
  .hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 1fr) minmax(0, 4fr);
    grid-template-rows: auto minmax(0, 1fr) auto;
    grid-template-areas: "visual . head" "visual . copy" "visual . foot";
    min-height: max(var(--stage), 36rem);
    padding: clamp(1.5rem, 3vw, 2.5rem) var(--gutter);
    row-gap: 2rem;
  }
  .hero__arch { height: 100%; min-height: 30rem; }
  .hero__arch img { object-position: 50% 62%; }
  .hero__copy { font-size: min(clamp(1.5rem, 1rem + 1.3vw, 2.25rem), 4.4vh); }
  .hero__lead { font-size: .875rem; line-height: 2; }
  .hero__inset {
    position: absolute;
    right: -15%;
    bottom: 8%;
    display: block;
    width: clamp(9rem, 14vw, 14rem);
    aspect-ratio: 4 / 5;
    margin: 0;
    overflow: hidden;
    border: .5rem solid var(--paper);
    background: var(--paper);
  }
  .hero__inset img { width: 100%; height: 100%; object-fit: cover; }
  .hero__copy { justify-self: center; padding-top: 0; }
  .hero__foot { align-self: end; }
}
@media (min-width: 64rem) {
  .hero { padding-right: calc(var(--gutter) + 4rem); }
}

/* 心がけの章。動きが無い時は、アーチ窓の空と文章を縦に並べる */
.sky { padding: clamp(5rem, 10vw, 9rem) var(--gutter); }
.sky__stage { position: relative; display: grid; gap: clamp(3rem, 7vw, 5rem); max-width: 72rem; margin: 0 auto; }
.sky__head { text-align: center; }
.sky__heading { font: 400 clamp(1.25rem, 1.05rem + .9vw, 1.75rem)/1.6 var(--mincho); letter-spacing: .24em; }
.sky__en { margin-top: .5rem; color: var(--ink-soft); font-size: .8125rem; font-style: italic; }
.sky__window { position: relative; justify-self: center; width: min(100%, 24rem); height: clamp(20rem, 60vw, 30rem); overflow: hidden; border-radius: 999px 999px 0 0; background: var(--sky-deep); }
.sky__img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; }
.sky__shade { display: none; }
.sky__block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "text title" "text num";
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  max-width: 42rem;
}
.sky__block--2 { margin-left: auto; }
.sky__title { grid-area: title; margin: 0; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.375rem); }
.sky__num { grid-area: num; justify-self: center; margin-top: 1rem; font-size: .875rem; font-style: italic; opacity: .8; }
.sky__text { grid-area: text; max-width: 19em; margin-top: clamp(3.5rem, 8vw, 7rem); font-size: .9375rem; line-height: 2.25; }

/* 診療のご案内 */
.care { max-width: 84rem; margin: 0 auto; padding: clamp(6rem, 12vw, 11rem) var(--gutter) clamp(6rem, 11vw, 10rem); }
.care__head { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; grid-template-areas: "lead en title"; column-gap: clamp(1rem, 3vw, 2.5rem); align-items: end; margin-bottom: clamp(3.5rem, 8vw, 7rem); }
.care__title { grid-area: title; margin: 0; color: var(--teal); font-size: clamp(1.5rem, 1.2rem + 1vw, 2.125rem); }
.care__en { grid-area: en; align-self: start; writing-mode: vertical-rl; color: var(--ink-soft); font-size: .8125rem; font-style: italic; }
.care__lead { grid-area: lead; justify-self: end; max-width: 22em; color: var(--ink-soft); }
.care__list { display: grid; gap: 4.5rem; align-items: start; }
.care__item { display: grid; align-content: start; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "fig name" "text text"; column-gap: 1.25rem; row-gap: 1.5rem; }
.care__fig { grid-area: fig; position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--paper-deep); }
.care__fig img { position: absolute; top: -6%; left: 0; width: 100%; height: 112%; object-fit: cover; }
.care__name { grid-area: name; margin: 0; color: var(--ink); font-size: 1.25rem; letter-spacing: .3em; }
.care__text { grid-area: text; max-width: 22em; color: var(--ink-soft); font-size: .875rem; line-height: 2.1; }

@media (min-width: 48rem) {
  .care__list { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(2rem, 4.5vw, 4.5rem); }
  .care__item:nth-child(2) { margin-top: clamp(4rem, 8vw, 8rem); }
  .care__item:nth-child(3) { margin-top: clamp(8rem, 16vw, 16rem); }
}

/* 診察室の写真。スクロールに合わせて横へゆっくり流れる */
.room { padding-bottom: clamp(5rem, 11vw, 10rem); }
.room__frame { position: relative; height: clamp(16rem, 52vw, 82svh); overflow: hidden; }
.room__img { position: absolute; top: 0; left: -12%; width: 124%; max-width: none; height: 100%; object-fit: cover; object-position: 50% 60%; }
.room__caption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  max-width: 44rem;
  margin: clamp(3.5rem, 7vw, 6rem) var(--gutter) 0 auto;
  padding-left: var(--gutter);
}
.room__title { order: 2; margin: 0; font-size: clamp(1.375rem, 1.1rem + 1vw, 2rem); }
.room__text { max-width: 21em; margin-top: clamp(3rem, 6vw, 5.5rem); color: var(--ink-soft); }

/* はじめて受診される方へ */
.flow { margin: 0 var(--gutter); padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 5vw, 5rem); background: var(--panel); }
.flow__head { margin-bottom: clamp(3rem, 6vw, 5rem); text-align: center; }
.flow__title { font: 400 clamp(1.25rem, 1.05rem + .9vw, 1.75rem)/1.6 var(--mincho); letter-spacing: .2em; }
.flow__en { margin-top: .5rem; color: var(--ink-soft); font-size: .8125rem; font-style: italic; }
.flow__list { display: grid; gap: 2.5rem; max-width: 30rem; margin: 0 auto; }
.flow__step { display: grid; grid-template-columns: 2.75rem minmax(0, 1fr); column-gap: 1rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.flow__step:first-child { padding-top: 0; border-top: 0; }
.flow__num { grid-row: span 2; color: var(--teal); font: 400 1.75rem/1.2 var(--mincho); }
.flow__name { font: 400 1.125rem/1.6 var(--mincho); letter-spacing: .2em; }
.flow__text { margin-top: .5rem; color: var(--ink-soft); font-size: .875rem; line-height: 2.05; }

@media (min-width: 56rem) {
  .flow__list {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
    max-width: none;
    height: 19rem;
    writing-mode: vertical-rl;
  }
  .flow__step { display: block; width: auto; padding: 0 clamp(1.75rem, 3.2vw, 3rem); border-top: 0; }
  .flow__step + .flow__step { border-right: 1px solid var(--line); }
  .flow__num { display: block; margin-left: 1rem; font-size: 1.875rem; }
  .flow__name { margin-left: .75rem; letter-spacing: .32em; }
  .flow__text { margin-top: 2.75rem; font-size: .9375rem; line-height: 2.2; letter-spacing: .14em; }
}

/* 診療時間と場所 */
.access { display: grid; gap: clamp(3rem, 6vw, 5rem); max-width: 80rem; margin: 0 auto; padding: clamp(6rem, 12vw, 10rem) var(--gutter); }
.access__fig { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--paper-deep); }
.access__fig img { position: absolute; top: -5%; left: 0; width: 100%; height: 110%; object-fit: cover; }
.access__title { font: 400 clamp(1.375rem, 1.1rem + 1vw, 2rem)/1.5 var(--mincho); letter-spacing: .2em; }
.access__en { margin-top: .25rem; color: var(--ink-soft); font-size: .8125rem; font-style: italic; }
.access__table { margin-top: clamp(2rem, 4vw, 3rem); }
.access table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: .8125rem; letter-spacing: .02em; text-align: center; }
.access caption { padding-bottom: .75rem; color: var(--ink-soft); font-size: .75rem; text-align: left; }
.access th, .access td { padding: .875rem 0; border-bottom: 1px solid var(--line); font-weight: 300; }
.access thead th { border-bottom-color: var(--ink); color: var(--ink-soft); font-size: .75rem; }
.access th:first-child { width: 6.75rem; text-align: left; }
.access td { color: var(--teal); }
.access__note { margin-top: .75rem; color: var(--ink-soft); font-size: .8125rem; }
.access__info { display: grid; gap: 1rem; margin: clamp(2rem, 4vw, 3rem) 0 0; }
.access__info div { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); align-items: baseline; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.access__info dt { color: var(--ink-soft); font-size: .75rem; }
.access__info dd { margin: 0; }
.access__tel { font-size: clamp(1.625rem, 1.3rem + 1.3vw, 2.375rem); letter-spacing: .06em; line-height: 1.3; }

@media (min-width: 56rem) {
  .access { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: start; column-gap: clamp(3rem, 7vw, 7rem); }
  .access__body { padding-top: 2rem; }
}

/* おわりに。小さなアーチ窓の写真と、最初の画面と同じ言葉 */
.closing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "arch copy" "brand brand";
  align-items: end;
  gap: 2.5rem 1.5rem;
  max-width: 80rem;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 6rem) var(--gutter) clamp(5rem, 9vw, 8rem);
  border-top: 1px solid var(--line);
}
.closing__arch { grid-area: arch; width: clamp(10rem, 22vw, 17rem); aspect-ratio: 3 / 4; margin: 0; overflow: hidden; border-radius: 999px 999px 0 0; background: var(--paper-deep); }
.closing__arch img { width: 100%; height: 100%; object-fit: cover; object-position: 86% 50%; }
.closing__copy { grid-area: copy; font-size: clamp(1.375rem, 1rem + 1.5vw, 2.25rem); letter-spacing: .26em; line-height: 2.1; }
.closing__brand { grid-area: brand; display: grid; gap: .5rem; justify-items: start; }
.closing__name { margin-top: .5rem; font: 400 1.125rem/1.5 var(--mincho); letter-spacing: .18em; }
.closing__en { color: var(--ink-soft); font-size: .875rem; font-style: italic; }
.closing__top { display: inline-flex; align-items: center; min-height: 2.75rem; margin-top: 1rem; color: var(--teal); font-size: .8125rem; text-underline-offset: .4em; }
@media (min-width: 48rem) {
  .closing { grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "arch brand copy"; column-gap: clamp(2.5rem, 6vw, 6rem); }
}

/* ここから下は、動きを減らさない時だけ */
@media (prefers-reduced-motion: no-preference) {
  /* 読み込み時、アーチの窓が下から上へ開き、写真が少し引いて落ち着く */
  .is-motion .hero__arch { animation: arch-open 1.9s .15s both cubic-bezier(.7, 0, .2, 1); }
  .is-motion .hero__arch img { animation: settle 3s .15s both cubic-bezier(.2, .6, .2, 1); }
  .is-motion .hero__arch::after {
    content: "";
    position: absolute;
    inset: 0 -60%;
    background: linear-gradient(100deg, rgba(255, 252, 242, 0) 38%, rgba(255, 252, 242, .26) 50%, rgba(255, 252, 242, 0) 62%);
    pointer-events: none;
    animation: light-pass 13s 3s infinite ease-in-out;
  }
  .is-motion .hero__inset { animation: rise 1.4s 1.5s both cubic-bezier(.2, .7, .2, 1); }
  .is-motion .hero__copy .v { animation: ink-down 1.4s both cubic-bezier(.65, 0, .25, 1); }
  .is-motion .hero__copy .v:nth-child(1) { animation-delay: 1s; }
  .is-motion .hero__copy .v:nth-child(2) { animation-delay: 1.35s; }
  .is-motion .hero__head, .is-motion .hero__foot { animation: rise 1.4s 1.9s both cubic-bezier(.2, .7, .2, 1); }

  @keyframes arch-open { from { clip-path: inset(100% 0 0 0); } to { clip-path: inset(0); } }
  @keyframes settle { from { scale: 1.14; } to { scale: 1; } }
  @keyframes light-pass { 0% { translate: -45% 0; opacity: 0; } 15% { opacity: 1; } 55% { translate: 45% 0; opacity: 0; } 100% { translate: 45% 0; opacity: 0; } }
  @keyframes ink-down { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0); } }
  @keyframes rise { from { opacity: 0; translate: 0 16px; } }
}

/* 画面の高さが足りる時だけ、心がけの章を固定する。小さなアーチ窓の空が画面いっぱいに開き、文章が浮かび、また窓に戻る */
@media (prefers-reduced-motion: no-preference) and (min-height: 520px) {
  .is-motion .sky { height: 480svh; padding: 0; }
  .is-motion .sky__stage {
    --o: clamp(0, calc(var(--p, 1) / .2), 1);
    --c: clamp(0, calc((var(--p, 1) - .84) / .16), 1);
    --e: min(var(--o), calc(1 - var(--c)));
    --side: .2;
    --sy: 0%;
    --half: calc(50vw * (1 - 2 * var(--side) * (1 - var(--e))));
    --rad: min(var(--half), calc((1 - var(--e)) * 70vw));
    position: sticky;
    top: 3rem;
    display: block;
    height: var(--stage);
    max-width: none;
    overflow: hidden;
  }
  .is-motion .sky__head { position: absolute; left: 0; right: 0; bottom: clamp(1.25rem, 6vh, 3rem); opacity: clamp(0, calc(1 - var(--e) * 1.8), 1); }
  .is-motion .sky__window {
    position: absolute;
    inset: 0;
    justify-self: stretch;
    width: auto;
    height: auto;
    border-radius: 0;
    clip-path: inset(calc((1 - var(--e)) * 10%) calc((1 - var(--e)) * var(--side) * 100%) calc((1 - var(--e)) * 24%) round var(--rad) var(--rad) 0 0);
  }
  .is-motion .sky__img {
    left: 50%;
    width: max(100%, var(--stage));
    max-width: none;
    height: auto;
    transform: translate(-50%, calc(var(--sy) - (1 - var(--e)) * 14% - var(--p, 1) * 6%)) scale(calc(1.15 - var(--e) * .15));
    transform-origin: 50% 30%;
    will-change: transform;
  }
  .is-motion .sky__shade {
    position: absolute;
    inset: 0;
    display: block;
    background: linear-gradient(180deg, rgba(14, 34, 58, .34) 0%, rgba(14, 34, 58, .14) 55%, rgba(14, 34, 58, 0) 82%);
    opacity: var(--e);
  }
  .is-motion .sky__block { position: absolute; top: clamp(2rem, 9vh, 5.5rem); left: var(--gutter); right: var(--gutter); max-width: 40rem; margin: 0; color: #FFFFFF; }
  .is-motion .sky__text { margin-top: min(clamp(3.5rem, 8vw, 7rem), 9vh); text-shadow: 0 0 1.25em rgba(14, 34, 58, .35); }
  .is-motion .sky__title { font-size: min(clamp(1.5rem, 1.1rem + 1.4vw, 2.375rem), 4.2vh); }
  .is-motion .sky__block--1 {
    opacity: clamp(0, min(calc((var(--p, 1) - .2) / .05), calc((.42 - var(--p, 1)) / .05)), 1);
    transform: translateY(calc((.31 - var(--p, 1)) * 40vh));
  }
  .is-motion .sky__block--2 {
    opacity: clamp(0, min(calc((var(--p, 1) - .42) / .05), calc((.63 - var(--p, 1)) / .05)), 1);
    transform: translateY(calc((.525 - var(--p, 1)) * 40vh));
  }
  .is-motion .sky__block--3 {
    opacity: clamp(0, min(calc((var(--p, 1) - .63) / .05), calc((.84 - var(--p, 1)) / .05)), 1);
    transform: translateY(calc((.735 - var(--p, 1)) * 40vh));
  }

  @media (min-width: 48rem) {
    .is-motion .sky__stage { --side: .37; }
    .is-motion .sky__block--1 { left: auto; right: calc(var(--gutter) + 10vw); }
    .is-motion .sky__block--2 { left: calc(var(--gutter) + 6vw); right: auto; }
    .is-motion .sky__block--3 { left: calc(var(--gutter) + 18vw); right: auto; }
  }
  @media (min-aspect-ratio: 1 / 1) {
    .is-motion .sky__stage { --sy: -22%; }
  }
}