@charset "UTF-8";
/* ============================================================
   ふたりびより。 / FUTARI BIYORI
   もずくとまりもの、いつもどおりの一日
   ------------------------------------------------------------
   表現言語：淡いグレー・ブルー・クリーム／霧と光のぼかし／
             重なり合うふたり／不規則にちらばる文字／
             静かな浮遊と、猫らしい瞬発的な動き
   ============================================================ */

/* ---------- 1. トークン ---------- */
:root{
  /* グレー（面積 約55%） */
  --g-05:#F5F6F7;
  --g-10:#EFF1F2;
  --g-20:#E4E8EA;
  --g-30:#D9DEE1;
  --g-40:#C6CED3;
  --g-50:#AEB8BE;
  /* ブルー（面積 約25%） */
  --b-10:#E2EDF3;
  --b-20:#C7DCE8;
  --b-30:#AFC9D8;
  --b-40:#94B4C6;
  --b-ink:#4E6976;   /* 手書き文字・英字ラベル用（本文と同等のコントラスト） */
  /* クリーム（面積 約20%） */
  --c-10:#FFF9EF;
  --c-20:#F6EEDF;
  --c-30:#EDE0C9;
  /* 文字 */
  --ink:#465158;
  --ink-2:#5E6970;
  --ink-3:#667178;
  --ink-deep:#3B454B;

  --f-body:"Zen Maru Gothic","Hiragino Maru Gothic ProN","ヒラギノ丸ゴ ProN W4","Hiragino Sans","Yu Gothic Medium","游ゴシック体",YuGothic,"Noto Sans JP",sans-serif;
  --f-disp:"Kaisei Decol","Hiragino Maru Gothic ProN","ヒラギノ丸ゴ ProN W4","Hiragino Mincho ProN","Yu Mincho",serif;
  --f-en:"Quicksand","Avenir Next","Century Gothic","Zen Maru Gothic",sans-serif;
  --f-hand:"Yomogi","Hiragino Maru Gothic ProN","ヒラギノ丸ゴ ProN W4","Zen Maru Gothic",sans-serif;

  --pad:clamp(1.15rem,5vw,5.5rem);
  --maxw:78rem;
  --ease:cubic-bezier(.22,.68,.24,1);
  --ease-cat:cubic-bezier(.16,1.02,.3,1);
  --r-soft:1.4rem;
}

/* ---------- 2. リセット ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;
  background:var(--g-10);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:clamp(.94rem,.55vw + .82rem,1.02rem);
  line-height:1.95;
  letter-spacing:.045em;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
h1,h2,h3,p,dl,dd,figure,ol,ul{margin:0;padding:0}
ol,ul{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{display:block}
:focus-visible{
  outline:3px solid var(--b-40);
  outline-offset:4px;
  border-radius:.35rem;
}
::selection{background:var(--b-20);color:var(--ink-deep)}

.sr-only{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}

.skip{
  position:fixed;left:1rem;top:-6rem;z-index:200;
  padding:.8rem 1.4rem;background:var(--c-10);color:var(--ink-deep);
  border-radius:999px;box-shadow:0 .5rem 1.6rem rgba(70,81,88,.18);
  font-size:.9rem;transition:top .25s var(--ease);
}
.skip:focus{top:1rem}

/* ---------- 3. 背景：霧・光・粒・紙 ---------- */
.mist{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.mist__l{position:absolute;display:block;border-radius:50%;filter:none;opacity:.85}
.mist__l--1{
  width:78vmax;height:78vmax;left:-24vmax;top:-22vmax;
  background:radial-gradient(circle at 50% 50%,rgba(199,220,232,.55),rgba(199,220,232,0) 68%);
  animation:drift1 74s ease-in-out infinite;
}
.mist__l--2{
  width:66vmax;height:66vmax;right:-20vmax;top:22vh;
  background:radial-gradient(circle at 50% 50%,rgba(246,238,223,.62),rgba(246,238,223,0) 66%);
  animation:drift2 92s ease-in-out infinite;
}
.mist__l--3{
  width:88vmax;height:88vmax;left:8vw;bottom:-42vmax;
  background:radial-gradient(circle at 50% 50%,rgba(217,222,225,.7),rgba(217,222,225,0) 64%);
  animation:drift3 108s ease-in-out infinite;
}
.mist__l--4{
  width:52vmax;height:52vmax;right:6vw;bottom:6vh;
  background:radial-gradient(circle at 50% 50%,rgba(175,201,216,.34),rgba(175,201,216,0) 70%);
  animation:drift1 86s ease-in-out infinite reverse;
}
@keyframes drift1{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(6vw,4vh,0) scale(1.12)}}
@keyframes drift2{0%,100%{transform:translate3d(0,0,0) scale(1.05)}50%{transform:translate3d(-7vw,6vh,0) scale(.94)}}
@keyframes drift3{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(5vw,-5vh,0) scale(1.08)}}

.dust{
  position:absolute;display:block;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.9),rgba(255,249,239,.1) 70%);
  opacity:.5;
}
.dust--1{width:.5rem;height:.5rem;left:12%;top:24%;animation:float 26s ease-in-out infinite}
.dust--2{width:.34rem;height:.34rem;left:78%;top:16%;animation:float 34s ease-in-out infinite 2s}
.dust--3{width:.62rem;height:.62rem;left:62%;top:62%;animation:float 30s ease-in-out infinite 5s}
.dust--4{width:.4rem;height:.4rem;left:28%;top:74%;animation:float 40s ease-in-out infinite 1s}
.dust--5{width:.28rem;height:.28rem;left:46%;top:38%;animation:float 24s ease-in-out infinite 7s}
.dust--6{width:.52rem;height:.52rem;left:88%;top:48%;animation:float 36s ease-in-out infinite 3s}
@keyframes float{0%,100%{transform:translate3d(0,0,0);opacity:.22}50%{transform:translate3d(-1.6rem,-3.4rem,0);opacity:.7}}

.grain{
  position:absolute;inset:-20%;opacity:.055;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 4. スクロール進捗 ---------- */
.progress{
  position:fixed;left:0;top:0;width:100%;height:2px;z-index:70;pointer-events:none;
  background:rgba(198,206,211,.35);
}
.progress i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--b-30),var(--c-30),var(--g-50));
  transition:width .12s linear;
}

/* ---------- 5. 章目次ナビ ---------- */
.nav{position:fixed;z-index:60;right:0;top:0;height:100%;pointer-events:none}
.nav__toggle{
  position:fixed;right:clamp(.7rem,3vw,1.2rem);top:clamp(.7rem,3vw,1.2rem);
  z-index:62;pointer-events:auto;display:none;align-items:center;gap:.5rem;
  padding:.6rem .95rem;border-radius:999px;
  background:rgba(255,249,239,.82);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:0 .4rem 1.4rem rgba(70,81,88,.14);
  font-size:.82rem;letter-spacing:.14em;color:var(--ink-deep);
}
.nav__toggle-bars{display:grid;gap:.28rem;width:1rem}
.nav__toggle-bars i{display:block;height:1.5px;background:currentColor;border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.nav[data-open="true"] .nav__toggle-bars i:first-child{transform:translateY(.187rem) rotate(42deg)}
.nav[data-open="true"] .nav__toggle-bars i:last-child{transform:translateY(-.187rem) rotate(-42deg)}

.nav__panel{
  position:absolute;right:0;top:0;height:100%;
  display:flex;flex-direction:column;justify-content:center;align-items:flex-end;
  gap:1.1rem;padding-right:clamp(.9rem,2.4vw,1.9rem);pointer-events:auto;
}
.nav__head{
  writing-mode:vertical-rl;font-family:var(--f-disp);font-size:.78rem;
  letter-spacing:.5em;color:var(--ink-2);margin-bottom:.4rem;
  text-shadow:0 0 .7rem rgba(255,249,239,.95),0 0 1.4rem rgba(239,241,242,.9);
}
.nav__list{display:flex;flex-direction:column;gap:.3rem}
.nav__list a{
  display:flex;align-items:center;gap:.55rem;justify-content:flex-end;
  padding:.42rem .3rem;border-radius:.7rem;position:relative;
}
.nav__t{
  writing-mode:vertical-rl;font-size:.72rem;letter-spacing:.22em;color:var(--ink-2);
  text-shadow:0 0 .7rem rgba(255,249,239,.95),0 0 1.4rem rgba(239,241,242,.9);
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height .45s var(--ease),opacity .35s var(--ease);
}
.nav__n{
  width:1.85rem;height:1.85rem;flex:none;display:grid;place-items:center;
  font-family:var(--f-disp);font-size:.82rem;color:var(--ink-3);
  border-radius:50%;background:rgba(255,249,239,.84);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  box-shadow:inset 0 0 0 1px rgba(174,184,190,.4);
  transition:background .4s var(--ease),color .4s var(--ease),box-shadow .4s var(--ease),transform .5s var(--ease-cat);
}
.nav__list a:hover .nav__n,.nav__list a:focus-visible .nav__n{transform:scale(1.12)}
.nav__list a:hover .nav__t,.nav__list a:focus-visible .nav__t{max-height:7rem;opacity:1}
.nav__list a[aria-current="true"] .nav__n{
  background:var(--b-20);color:var(--ink-deep);
  box-shadow:inset 0 0 0 1px rgba(148,180,198,.8),0 .25rem .8rem rgba(148,180,198,.35);
}
.nav__list a[aria-current="true"] .nav__t{max-height:7rem;opacity:1;color:var(--ink-2)}

.nav__motion{
  display:flex;align-items:center;gap:.45rem;margin-top:1rem;
  padding:.45rem .7rem;border-radius:999px;
  background:rgba(255,249,239,.86);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  box-shadow:inset 0 0 0 1px rgba(174,184,190,.35);
  font-size:.68rem;letter-spacing:.1em;color:var(--ink-2);
  transition:background .3s var(--ease);
}
.nav__motion:hover{background:rgba(255,249,239,.95)}
.nav__motion-dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--b-30);transition:background .3s}
.nav__motion-txt{writing-mode:vertical-rl;letter-spacing:.2em;max-height:8.6rem}
.nav__motion[aria-pressed="true"] .nav__motion-dot{background:var(--c-30)}

/* ---------- 6. 場面転換の霧レイヤー ---------- */
.veil{position:fixed;inset:0;z-index:90;pointer-events:none;overflow:hidden}
.veil__p{
  position:absolute;inset:-14% -22%;display:block;
  transform:translate3d(118%,0,0);
  border-radius:46% 0 0 46% / 50% 0 0 50%;
  transition:transform .5s var(--ease);
}
.veil__p--g{background:linear-gradient(100deg,rgba(217,222,225,.0),rgba(217,222,225,.97) 22%,rgba(228,232,234,.99));transition-delay:0s}
.veil__p--b{background:linear-gradient(100deg,rgba(199,220,232,0),rgba(199,220,232,.94) 26%,rgba(226,237,243,.96));transition-delay:.06s}
.veil__p--c{background:linear-gradient(100deg,rgba(246,238,223,0),rgba(246,238,223,.96) 26%,rgba(255,249,239,.98));transition-delay:.12s}
.veil.is-in .veil__p{transform:translate3d(0,0,0);transition-duration:.46s}
.veil.is-out .veil__p{transform:translate3d(-120%,0,0);transition-duration:.62s}
.veil.is-out .veil__p--g{transition-delay:.1s}
.veil.is-out .veil__p--b{transition-delay:.05s}
.veil.is-out .veil__p--c{transition-delay:0s}
.veil.no-anim .veil__p{transition:none}

/* 読み込み直後：霧が画面を横切って、最初の場面が現れる */
.js .veil.is-intro .veil__p{animation:veilIntro 1.02s var(--ease) both}
.js .veil.is-intro .veil__p--b{animation-delay:.05s}
.js .veil.is-intro .veil__p--c{animation-delay:.1s}
@keyframes veilIntro{
  0%{transform:translate3d(0,0,0)}
  100%{transform:translate3d(-120%,0,0)}
}

/* ---------- 7. 章の下地 ---------- */
main{position:relative;z-index:1}
.chapter{position:relative;isolation:isolate;overflow-x:clip}
.chapter::before{
  content:"";position:absolute;left:0;right:0;top:-10vh;bottom:-10vh;z-index:-1;pointer-events:none;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);
  mask-image:linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);
}
.chapter--open::before{background:
  radial-gradient(130% 78% at 12% 6%,rgba(255,249,239,.9),rgba(255,249,239,0) 62%),
  radial-gradient(100% 70% at 92% 88%,rgba(199,220,232,.62),rgba(199,220,232,0) 66%);}
.chapter--mozuku::before{background:
  radial-gradient(120% 70% at 88% 12%,rgba(246,238,223,.92),rgba(246,238,223,0) 64%),
  radial-gradient(90% 60% at 4% 72%,rgba(217,222,225,.75),rgba(217,222,225,0) 68%);}
.chapter--marimo::before{background:
  radial-gradient(120% 72% at 10% 10%,rgba(199,220,232,.85),rgba(199,220,232,0) 62%),
  radial-gradient(110% 66% at 96% 74%,rgba(226,237,243,.9),rgba(226,237,243,0) 66%),
  radial-gradient(80% 50% at 50% 100%,rgba(246,238,223,.5),rgba(246,238,223,0) 70%);}
.chapter--futari::before{background:
  radial-gradient(120% 70% at 50% 4%,rgba(228,232,234,.95),rgba(228,232,234,0) 60%),
  radial-gradient(90% 60% at 84% 82%,rgba(246,238,223,.7),rgba(246,238,223,0) 66%);}
.chapter--gallery::before{background:
  linear-gradient(180deg,rgba(255,249,239,.75),rgba(239,241,242,.9) 46%,rgba(226,237,243,.6));}
.chapter--insta::before{background:
  radial-gradient(120% 80% at 50% 12%,rgba(199,220,232,.8),rgba(199,220,232,0) 62%),
  radial-gradient(100% 70% at 20% 92%,rgba(246,238,223,.8),rgba(246,238,223,0) 66%),
  linear-gradient(180deg,rgba(217,222,225,.55),rgba(228,232,234,.85));}

.seam{
  position:absolute;left:0;right:0;top:-14vh;height:28vh;z-index:-1;pointer-events:none;
  filter:blur(0);
}
.seam--cream{background:radial-gradient(60% 100% at 50% 50%,rgba(255,249,239,.85),rgba(255,249,239,0) 72%)}
.seam--blue{background:radial-gradient(60% 100% at 40% 50%,rgba(199,220,232,.7),rgba(199,220,232,0) 72%)}
.seam--grey{background:radial-gradient(60% 100% at 60% 50%,rgba(217,222,225,.8),rgba(217,222,225,0) 72%)}

/* ---------- 8. 文字表現 ---------- */
.logo{
  font-family:var(--f-disp);font-weight:700;
  letter-spacing:.03em;line-height:1.06;color:var(--ink-deep);
  display:inline-block;
}
.logo em{font-style:normal;color:var(--b-40);display:inline-block;transform-origin:50% 80%}
.logo--sm{font-size:clamp(1.5rem,4vw,2rem)}

.mark{display:flex;align-items:center;gap:.85rem;margin-bottom:1.1rem}
.mark__n{
  font-family:var(--f-disp);font-size:1.28rem;color:var(--ink-deep);
  width:2.5rem;height:2.5rem;display:grid;place-items:center;flex:none;
  border-radius:50%;background:rgba(255,249,239,.72);
  box-shadow:inset 0 0 0 1px rgba(174,184,190,.45);
}
.mark__e{font-family:var(--f-en);font-size:.7rem;letter-spacing:.34em;color:var(--ink-3);font-weight:600}

.title{
  font-family:var(--f-disp);font-weight:700;color:var(--ink-deep);
  font-size:clamp(2.9rem,10.5vw,6.2rem);line-height:1.02;letter-spacing:.01em;
  margin:0 0 .5rem;position:relative;
}
.title--sm{font-size:clamp(2rem,6vw,3.5rem)}
.title--insta{font-size:clamp(1.5rem,6vw,3.4rem);line-height:1.35;letter-spacing:.005em}
.title__en{
  display:block;font-family:var(--f-en);font-style:normal;font-weight:600;
  font-size:clamp(.72rem,1.6vw,.95rem);letter-spacing:.5em;color:var(--b-ink);
  margin-top:.7rem;padding-left:.3em;
}
/* 一文字ずつの立ち上がり */
[data-split] > i{display:inline-block;white-space:pre}

.sub{
  font-family:var(--f-disp);font-weight:700;color:var(--ink-deep);
  font-size:clamp(1.4rem,4.4vw,2.35rem);line-height:1.5;margin-bottom:1.3rem;
}

.hand{
  font-family:var(--f-hand);color:var(--b-ink);
  font-size:clamp(1.05rem,3vw,1.5rem);line-height:1.6;letter-spacing:.06em;
  margin:.4rem 0 1.3rem;
}
.hand--tiltL{transform:rotate(-3.6deg);transform-origin:0 50%}
.hand--tiltR{transform:rotate(2.8deg);transform-origin:0 50%}
.hand--center{text-align:center;transform:rotate(-2deg)}
.hand--right{text-align:right}

.body{max-width:34em;color:var(--ink);line-height:2.15;letter-spacing:.05em;text-wrap:pretty}
.body--center{margin-inline:auto;text-align:center;max-width:32em}

.catch{
  font-family:var(--f-disp);font-weight:700;color:var(--ink-deep);
  font-size:clamp(.95rem,4.1vw,2.15rem);
  line-height:1.5;letter-spacing:.01em;
  white-space:nowrap;
  margin:1.1rem 0 1.4rem;
}

.bigword{
  position:absolute;pointer-events:none;user-select:none;z-index:-1;
  font-family:var(--f-disp);font-weight:700;color:var(--g-50);
  opacity:.19;line-height:.86;white-space:nowrap;
}
.bigword--open{
  font-family:var(--f-en);font-weight:700;letter-spacing:-.02em;
  font-size:clamp(5rem,19vw,15rem);
  left:-4vw;top:9vh;transform:rotate(-4deg);opacity:.1;
}
.bigword--open span{display:block;padding-left:14vw}
.bigword--v{writing-mode:vertical-rl}
.bigword--mozuku{
  font-size:clamp(6rem,22vw,17rem);
  right:-3vw;top:4vh;opacity:.13;
}
.bigword--marimo{
  font-size:clamp(6rem,23vw,18rem);
  left:-6vw;bottom:6vh;transform:rotate(-2deg);opacity:.11;
}

.cue{
  display:flex;align-items:center;gap:.9rem;
  font-family:var(--f-en);font-size:.72rem;letter-spacing:.2em;color:var(--ink-3);
  margin-top:clamp(1.6rem,4vw,3rem);
}
.cue__line{
  display:block;width:3.4rem;height:1px;background:var(--g-50);position:relative;overflow:hidden;
}
.cue__line::after{
  content:"";position:absolute;inset:0;background:var(--ink-2);
  transform:translateX(-100%);animation:cueRun 2.8s var(--ease) infinite;
}
@keyframes cueRun{0%{transform:translateX(-100%)}55%{transform:translateX(0)}100%{transform:translateX(105%)}}

.cap{
  font-size:.82rem;line-height:1.85;letter-spacing:.055em;color:var(--ink-2);
  margin-top:.9rem;
  /* 一文字だけが次の行に落ちるのを避け、行の長さをそろえる */
  text-wrap:balance;
}
.cap b{
  font-family:var(--f-en);font-weight:700;color:var(--b-ink);
  margin-right:.6rem;font-size:.78rem;letter-spacing:.12em;
}

/* 円弧の文字 */
.arc{width:min(34rem,90%);margin:0 auto 1.6rem}
.arc svg{width:100%;height:auto;overflow:visible}
.arc text{
  font-family:var(--f-hand);font-size:2rem;fill:var(--b-ink);letter-spacing:.14em;
}

/* 肉球とひげ */
.paw{
  position:absolute;width:1.5rem;height:1.35rem;pointer-events:none;opacity:.32;
  background-repeat:no-repeat;background-size:contain;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 40'%3E%3Cg fill='%23AFC9D8'%3E%3Cellipse cx='22' cy='28' rx='11' ry='9'/%3E%3Cellipse cx='8' cy='15' rx='4.6' ry='5.8'/%3E%3Cellipse cx='17' cy='8' rx='4.4' ry='5.6'/%3E%3Cellipse cx='27.5' cy='8' rx='4.4' ry='5.6'/%3E%3Cellipse cx='36.5' cy='15' rx='4.6' ry='5.8'/%3E%3C/g%3E%3C/svg%3E");
}
.paw--o1{left:4%;bottom:16%;transform:rotate(-18deg);animation:pawFloat 12s ease-in-out infinite}
.paw--o2{right:12%;top:8%;width:1.05rem;height:.95rem;transform:rotate(24deg);animation:pawFloat 15s ease-in-out infinite 2s}
.paw--m1{left:2%;top:6%;transform:rotate(14deg);animation:pawFloat 14s ease-in-out infinite 1s}
.paw--m2{right:6%;bottom:10%;width:1.05rem;height:.95rem;transform:rotate(-22deg);animation:pawFloat 17s ease-in-out infinite}
.paw--f1{left:7%;top:22%;transform:rotate(-12deg);opacity:.22}
.paw--f2{right:9%;bottom:26%;width:1.1rem;height:1rem;transform:rotate(20deg);opacity:.22}
@keyframes pawFloat{0%,100%{transform:translate3d(0,0,0) rotate(var(--pr,0deg))}50%{transform:translate3d(.4rem,-.9rem,0) rotate(var(--pr,0deg))}}

.whisk{position:absolute;pointer-events:none;opacity:.55}
.whisk svg{width:100%;height:100%}
.whisk path{
  fill:none;stroke:var(--g-50);stroke-width:1.1;stroke-linecap:round;
  stroke-dasharray:1;stroke-dashoffset:1;
  transition:stroke-dashoffset 2.2s var(--ease);
}
.whisk.is-in path{stroke-dashoffset:0}
.whisk.is-in path:last-child{transition-delay:.28s}
.whisk--m{left:-2rem;bottom:8%;width:14rem;height:7rem}
.whisk--f{left:50%;top:50%;width:min(38rem,86%);height:3.4rem;transform:translate(-50%,-50%);z-index:-1}

/* ---------- 9. 写真の器 ---------- */
.ph{position:relative;isolation:isolate}
.ph img{width:100%;border-radius:.2rem}
.ph--soft img,.ph--soft::after{
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 93%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 5%,#000 95%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 93%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 5%,#000 95%,transparent 100%);
  mask-composite:intersect;
}
.ph--blur img{
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 17%,#000 83%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 17%,#000 83%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);
  mask-composite:intersect;
}
.ph--blob{
  border-radius:58% 42% 47% 53% / 52% 46% 54% 48%;
  overflow:hidden;
  animation:blobMorph 24s ease-in-out infinite;
  box-shadow:0 2.4rem 5rem -2.4rem rgba(70,81,88,.4);
}
@keyframes blobMorph{
  0%,100%{border-radius:58% 42% 47% 53% / 52% 46% 54% 48%}
  33%{border-radius:44% 56% 58% 42% / 46% 58% 42% 54%}
  66%{border-radius:52% 48% 40% 60% / 60% 42% 58% 40%}
}
.ph--circle{border-radius:50%;overflow:hidden;aspect-ratio:1}
.ph--circle img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.ph--tilt{transform:rotate(var(--tilt,3deg))}

.ph--mono img{filter:grayscale(1) contrast(.96) brightness(1.04);transition:filter 1.5s var(--ease)}
.ph--mono.is-tone img{filter:grayscale(0) contrast(1) brightness(1)}
.ph--blue::after,.ph--cream::after{
  content:"";position:absolute;inset:0;pointer-events:none;mix-blend-mode:multiply;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 93%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 5%,#000 95%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 93%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 5%,#000 95%,transparent 100%);
  mask-composite:intersect;
}
.ph--blue::after{background:linear-gradient(170deg,rgba(199,220,232,.62),rgba(226,237,243,.2))}
.ph--cream::after{background:linear-gradient(200deg,rgba(246,238,223,.66),rgba(255,249,239,.18))}
.ph--duo-tone img{filter:grayscale(1) contrast(1.02)}
.ph--duo-tone::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(140deg,#AFC9D8,#F6EEDF 62%,#D9DEE1);
  mix-blend-mode:color;opacity:.58;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 93%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 5%,#000 95%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 93%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 5%,#000 95%,transparent 100%);
  mask-composite:intersect;
}
/* 一部分だけ色を残す。
   境界線が出る clip-path の円ではなく、輪郭の見えない放射状マスクで色を戻す。 */
.ph--spot > picture img{filter:grayscale(1) contrast(.97) brightness(1.05)}
.ph__spot{
  position:absolute;inset:0;display:block;pointer-events:none;
  -webkit-mask-image:radial-gradient(circle at 63% 33%,#000 18%,rgba(0,0,0,.55) 46%,transparent 82%);
  mask-image:radial-gradient(circle at 63% 33%,#000 18%,rgba(0,0,0,.55) 46%,transparent 82%);
}
.ph__spot img{width:100%;height:100%;object-fit:cover;-webkit-mask-image:none;mask-image:none}

/* ---------- 10. 序 ---------- */
.chapter--open{
  min-height:100svh;display:flex;align-items:center;
  padding:clamp(6rem,14vh,9rem) var(--pad) clamp(4rem,10vh,7rem);
  overflow:hidden;
}
.open{
  width:100%;max-width:var(--maxw);margin-inline:auto;
  display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  align-items:center;gap:clamp(1.5rem,4vw,3rem);
}
.open__text{position:relative;z-index:2}
.open__title{margin:0}
.open .logo{font-size:clamp(2.2rem,7.4vw,4.6rem);white-space:nowrap}
@supports (font-size:1cqi){
  .open__text{container-type:inline-size}
  .open .logo{font-size:clamp(2.2rem,12.4cqi,6.2rem)}
}
.open .logo em{animation:dotPulse 6s var(--ease-cat) infinite}
@keyframes dotPulse{0%,86%,100%{transform:translateY(0) scale(1)}91%{transform:translateY(-.14em) scale(1.16)}96%{transform:translateY(0) scale(1)}}
.open__lead{color:var(--ink-2);font-size:.94rem;line-height:2.05;max-width:28em}

.open__stage{position:relative;min-height:min(60vh,30rem);display:grid;place-items:center}
.open__main{
  width:min(42vw,27rem);
  transform:translate3d(0,var(--py,0),0) rotate(1.5deg);
  margin-left:6%;
}
.open__main img{
  aspect-ratio:1/1.18;object-fit:cover;object-position:50% 42%;
}
.open__frag{
  position:absolute;overflow:hidden;
  transform:translate3d(0,var(--py,0),0);
  box-shadow:0 1rem 2.6rem -1rem rgba(70,81,88,.32);
}
.open__frag img{
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000 62%,transparent 97%);
  mask-image:radial-gradient(circle at 50% 50%,#000 62%,transparent 97%);
}
.open__frag--a{width:clamp(4.4rem,10vw,7.6rem);left:-4%;top:6%;}
.open__frag--a img{object-position:72% 38%}
.open__frag--b{width:clamp(3.6rem,8vw,6.2rem);right:13%;bottom:4%;}
.open__frag--b img{object-position:47% 24%}

/* ---------- 11. 章の共通シーン ---------- */
.scene{
  position:relative;max-width:var(--maxw);margin-inline:auto;
  padding-inline:var(--pad);
}
.chapter--mozuku,.chapter--marimo,.chapter--futari{
  padding-block:clamp(5rem,13vh,9rem);
}
.scene--intro{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);
  gap:clamp(1.6rem,4vw,4rem);align-items:center;
}
.scene--flip{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr)}
.scene--flip .scene__text{padding-top:clamp(0rem,7vh,4.5rem)}
.scene--flip .scene__text{order:2}
.scene--flip .scene__stage{order:1}
.scene__text{position:relative;z-index:3}
.scene__stage{position:relative;min-height:min(64vh,32rem)}

.facts{
  margin-top:1.9rem;display:grid;gap:.15rem;max-width:26rem;
  border-top:1px solid rgba(174,184,190,.42);
}
.facts > div{
  display:grid;grid-template-columns:6.2rem 1fr;gap:.6rem;
  padding:.62rem 0;border-bottom:1px solid rgba(174,184,190,.3);
  align-items:baseline;
}
.facts dt{font-size:.74rem;letter-spacing:.2em;color:var(--ink-3)}
.facts dd{font-size:.92rem;color:var(--ink);text-wrap:balance}
.age{
  margin-left:.55rem;font-family:var(--f-en);font-size:.82rem;font-weight:600;
  letter-spacing:.08em;color:var(--b-ink);
}
.age:empty{display:none}

/* 一：もずく */
.stack__main{
  width:min(40vw,26rem);margin-left:auto;
  transform:translate3d(0,var(--py,0),0) rotate(1.8deg);
}
.stack__main img{aspect-ratio:1/1.2;object-fit:cover;object-position:56% 40%}
.stack__round{
  position:absolute;left:0;bottom:4.6rem;width:clamp(7rem,21vw,14rem);
  transform:translate3d(0,var(--py,0),0);
  box-shadow:0 1.4rem 3.2rem -1.4rem rgba(70,81,88,.4);
}
.stack__round img{object-position:64% 40%;transform:scale(1.18)}

.scene--band{margin-top:clamp(4rem,10vh,7.5rem);max-width:none;padding-inline:0}
.band{position:relative}
.band__media{
  position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 17%,#000 81%,transparent 100%);
  mask-image:linear-gradient(to bottom,transparent 0,#000 17%,#000 81%,transparent 100%);
}
.band__media img{
  width:100%;height:clamp(19rem,62vh,34rem);object-fit:cover;object-position:50% 26%;
  transform:scale(var(--bs,1.12));transform-origin:50% 40%;border-radius:0;
}
.band__wash{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(190deg,rgba(255,249,239,.55),rgba(246,238,223,.06) 44%,rgba(217,222,225,.4));
  mix-blend-mode:multiply;
}
.band__text{
  position:absolute;left:var(--pad);bottom:clamp(1.2rem,5vh,3rem);
  max-width:min(38rem,84%);isolation:isolate;
  text-shadow:0 .1rem 1rem rgba(255,249,239,.95);
}
.band__text::before{
  content:"";position:absolute;z-index:-1;inset:-2.6rem -4rem -2.2rem -4rem;
  background:radial-gradient(58% 100% at 34% 56%,rgba(255,249,239,.94),rgba(246,238,223,.55) 46%,rgba(255,249,239,0) 78%);
}
.band__lead{font-family:var(--f-disp);font-size:clamp(1.05rem,3vw,1.6rem);line-height:1.75;color:var(--ink-deep)}
.band__text .hand{margin-bottom:.5rem;color:var(--ink-2)}

.float-card{
  width:min(30vw,20rem);margin:-7rem 0 0 auto;
  margin-right:clamp(1.15rem,7vw,8rem);
  --tilt:-3.4deg;transform:translate3d(0,var(--py,0),0) rotate(-3.4deg);
  filter:grayscale(1);transition:filter 1.6s var(--ease);
  position:relative;z-index:2;
  padding:.6rem .6rem .55rem;
  background:linear-gradient(160deg,rgba(255,249,239,.96),rgba(246,238,223,.92));
  box-shadow:0 1.6rem 3.4rem -1.4rem rgba(70,81,88,.45);
}
.float-card.is-tone{filter:grayscale(0)}
.float-card img{aspect-ratio:4/3;object-fit:cover;object-position:62% 34%}
.float-card .cap{margin-top:.5rem;text-align:center;font-size:.74rem}

/* 二：まりも */
.stack__main--m{margin-left:0;margin-right:auto;transform:translate3d(0,var(--py,0),0) rotate(-2.2deg);width:min(38vw,24rem)}
.stack__main--m img{aspect-ratio:1/1.22;object-position:50% 26%}
.stack__side{
  position:absolute;right:0;bottom:1.2rem;width:clamp(7rem,20vw,13.5rem);
  --tilt:5deg;transform:translate3d(0,var(--py,0),0) rotate(5deg);
  padding:.55rem .55rem .5rem;
  background:linear-gradient(200deg,rgba(255,249,239,.96),rgba(246,238,223,.92));
  box-shadow:0 1.4rem 3.2rem -1.4rem rgba(70,81,88,.4);
}
.stack__side img{aspect-ratio:3/4;object-fit:cover;object-position:34% 30%}
.stack__side .cap{margin-top:.45rem;text-align:center;font-size:.72rem}

.scene--sky{margin-top:clamp(4rem,11vh,8rem);max-width:none;padding-inline:0}
.sky{position:relative;display:flex;align-items:center;gap:clamp(1.2rem,3vw,3rem);min-height:clamp(24rem,84vh,42rem)}
.sky__body{
  flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;
  gap:clamp(1.2rem,3vh,2rem);padding-right:var(--pad);
}
@media (min-width:900px){.sky__body{align-items:center;text-align:center}}
.sky__media{
  position:relative;overflow:hidden;flex:none;width:min(60vw,44rem);
  -webkit-mask-image:linear-gradient(to right,#000 78%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 10%,#000 90%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,#000 78%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 10%,#000 90%,transparent 100%);
  mask-composite:intersect;
}
.sky__media img{
  width:100%;height:clamp(24rem,84vh,42rem);object-fit:cover;object-position:47% 33%;
  transform:scale(var(--bs,1.08));transform-origin:44% 38%;
}
.sky__wash{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(200deg,rgba(226,237,243,.5),rgba(199,220,232,.08) 40%,rgba(246,238,223,.35));
  mix-blend-mode:multiply;
}
.vtext{
  writing-mode:vertical-rl;height:min(56vh,22rem);
  font-family:var(--f-disp);font-weight:700;
  font-size:clamp(1.15rem,3.4vw,1.9rem);line-height:1.7;letter-spacing:.12em;
  color:var(--ink-deep);
  text-shadow:0 0 1.6rem rgba(255,249,239,.95),0 0 3rem rgba(226,237,243,.9);
}
.cap--sky{
  max-width:min(23rem,100%);margin-top:0;color:var(--ink-deep);
  text-shadow:0 0 1.3rem rgba(255,249,239,.95),0 0 2.6rem rgba(239,241,242,.9);
}

.scene--wide{margin-top:clamp(3rem,9vh,6rem);position:relative}
.wide-card{
  width:min(58vw,44rem);margin-left:auto;transform:translate3d(0,var(--py,0),0) rotate(-1.2deg);
  filter:grayscale(.85) contrast(.98);transition:filter 1.6s var(--ease);
}
.wide-card.is-tone{filter:grayscale(0) contrast(1)}
.wide-card img{aspect-ratio:16/11;object-fit:cover;object-position:52% 46%}
.scene--wide .hand{
  position:absolute;left:var(--pad);bottom:1rem;max-width:9rem;text-align:left;
}

/* 三：ふたり */
.scene--duo{max-width:none;padding-inline:0;margin-bottom:clamp(3.5rem,9vh,6.5rem)}
.duo{position:relative}
.duo__media{
  position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 13%,#000 85%,transparent 100%);
  mask-image:linear-gradient(to bottom,transparent 0,#000 13%,#000 85%,transparent 100%);
}
.duo__media img{
  width:100%;height:clamp(23rem,80vh,42rem);object-fit:cover;object-position:50% 56%;
  transform:scale(var(--bs,1.08));transform-origin:50% 60%;
}
.duo__wash{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(102deg,rgba(239,241,242,.96) 0%,rgba(239,241,242,.8) 26%,rgba(228,232,234,.3) 48%,rgba(246,238,223,.14) 78%,rgba(199,220,232,.2) 100%);
}
.duo__head{
  position:absolute;left:var(--pad);top:50%;transform:translateY(-50%);
  max-width:min(34rem,62%);
}
.title--onphoto{
  font-size:clamp(1.9rem,6.2vw,4rem);white-space:nowrap;
  text-shadow:0 0 1.8rem rgba(239,241,242,.9);
}
.cap--duo{color:var(--ink-2);margin-top:1rem}

.scene--compare{position:relative;padding-block:clamp(1rem,4vh,3rem)}
.compare{
  position:relative;display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:clamp(1rem,3.5vw,3rem);
}
.compare__face{
  width:clamp(6.5rem,15vw,11rem);flex:none;
  transform:translate3d(0,var(--py,0),0);
}
/* 拡大した写真を円で切り抜くための枠（キャプションは枠の外に置く） */
.ph__frame{
  display:block;aspect-ratio:1;border-radius:50%;overflow:hidden;
  box-shadow:0 1.4rem 3rem -1.4rem rgba(70,81,88,.36);
}
.ph__frame img{width:100%;height:100%;object-fit:cover;border-radius:50%}
/* 正方形に切り抜く枠（アルバムの拡大写真用。キャプションは枠の外に残る） */
.ph__frame--sq{border-radius:.4rem;box-shadow:none}
.ph__frame--sq img{border-radius:.4rem}
.compare__face--l img{transform:scale(1.42);transform-origin:100% 40%}
.compare__face--r{margin-top:2.4rem}
.compare__face--r img{object-position:50% 0%;transform:scale(1.35);transform-origin:47% 0%}
.compare__face figcaption{
  margin-top:.85rem;text-align:center;
  font-family:var(--f-disp);font-size:.86rem;color:var(--ink-2);letter-spacing:.18em;
}
.compare__list{display:grid;gap:.55rem;padding-block:.5rem}
.compare__list li{
  display:grid;grid-template-columns:minmax(0,1fr) 2.2rem minmax(0,1fr);
  align-items:center;gap:.3rem;
  padding:.62rem .9rem;border-radius:1.1rem;
  background:linear-gradient(100deg,rgba(255,249,239,.62),rgba(226,237,243,.5));
  box-shadow:inset 0 0 0 1px rgba(174,184,190,.28);
  font-size:clamp(.76rem,1.9vw,.92rem);line-height:1.7;
}
.compare__a{text-align:right;color:var(--ink);text-wrap:balance}
.compare__b{text-align:left;color:var(--ink);text-wrap:balance}
.compare__list i{
  display:block;justify-self:center;width:1.5rem;height:1px;position:relative;
  background:var(--g-50);
}
.compare__list i::before,.compare__list i::after{
  content:"";position:absolute;top:-2px;width:5px;height:5px;border-radius:50%;background:var(--b-30);
}
.compare__list i::before{left:-1px}
.compare__list i::after{right:-1px}

.scene--merge{margin-top:clamp(4rem,11vh,8rem);text-align:center}
.merge{
  position:relative;height:clamp(12rem,32vw,20rem);
  display:grid;place-items:center;margin-bottom:clamp(2.4rem,6vh,4rem);
}
.merge__half{
  position:absolute;top:50%;width:clamp(8rem,22vw,15rem);
  box-shadow:0 1.6rem 3.4rem -1.6rem rgba(70,81,88,.4);
}
.merge__half--l{left:50%;transform:translate(calc(-100% - var(--gap,4rem) + 1rem),-50%)}
.merge__half--r{left:50%;transform:translate(calc(var(--gap,4rem) - 1rem),-50%)}
.merge__half--l img{transform:scale(1.9);transform-origin:2% 8%}
.merge__half--r img{transform:scale(1.9);transform-origin:94% 46%}
/* ふたり：左右の丸枠を同径の完全な正円にする。
   拡大した写真自身の丸めをやめ、枠側だけで確実に円形に切り抜く（左端の欠け対策） */
.scene--merge .merge__half{aspect-ratio:1 / 1;border-radius:50%;overflow:hidden}
.scene--merge .merge__half img{border-radius:0}
.merge__glow{
  position:absolute;left:50%;top:50%;width:clamp(14rem,42vw,28rem);height:clamp(8rem,22vw,15rem);
  transform:translate(-50%,-50%);pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(255,249,239,.9),rgba(199,220,232,.28) 52%,transparent 74%);
  mix-blend-mode:screen;
}
.merge__text{max-width:44rem;margin-inline:auto}

/* ---------- 12. 四：アルバム ---------- */
.chapter--gallery{padding-block:clamp(3rem,8vh,5rem) clamp(4rem,10vh,7rem)}
.gal{position:relative}
.gal__pin{
  position:sticky;top:0;height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;padding-block:clamp(1rem,4vh,2.5rem);
}
.gal__head{padding-inline:var(--pad);max-width:var(--maxw);margin-inline:auto;width:100%;flex:none}
.gal__head .title{margin-bottom:.4rem}
.gal__note{font-size:.8rem;color:var(--ink-3);letter-spacing:.09em;text-wrap:balance}
.gal__viewport{flex:1;min-height:0;overflow:hidden;display:flex;align-items:center}
.gal__track{
  display:flex;align-items:center;gap:clamp(1.4rem,3.6vw,3.4rem);
  padding-inline:clamp(1.15rem,7vw,7rem);
  will-change:transform;
}
.gal__item{
  flex:none;width:var(--w);
  transform:translateY(var(--y)) rotate(var(--r));
}
.gal__item .ph{overflow:visible}
.gal__item--tall img{aspect-ratio:3/4;object-fit:cover}
.gal__item--mid img{aspect-ratio:5/6;object-fit:cover}
.gal__item--wide img{aspect-ratio:4/3;object-fit:cover}
/* 拡大写真は内側の枠だけを切り抜く。figure ごと切り抜くとキャプションまで隠れる */
.gal__item--zoom .ph{overflow:visible}
.gal__item--zoom .ph__frame--sq{aspect-ratio:1}
.gal__item--zoom img{aspect-ratio:1/1;object-fit:cover;object-position:45% 30%;transform:scale(1.75)}
.gal__item--finale img{aspect-ratio:5/4;object-fit:cover}
.gal__item figcaption{max-width:16rem}
.gal__rule{
  flex:none;margin:clamp(.8rem,2.5vh,1.6rem) auto 0;width:min(22rem,60%);height:2px;
  background:rgba(198,206,211,.5);border-radius:2px;overflow:hidden;
}
.gal__rule i{display:block;height:100%;width:0;background:var(--b-30);border-radius:2px}

/* スワイプ閲覧モード（スマートフォン・動き軽減時） */
.gal--free .gal{height:auto!important}
.gal--free .gal__pin{position:static;height:auto;overflow:visible}
.gal--free .gal__viewport{
  overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;scrollbar-width:thin;
  padding-block:.7rem .5rem;
}
/* 上下のずらし（--y）は、overflow-y:hidden と組み合わさると
   キャプションの欠落と大きな余白を生むため、スワイプ表示では解除する */
.gal--free .gal__track{
  transform:none!important;padding-block:0;align-items:flex-start;
}
.gal--free .gal__item{
  scroll-snap-align:center;
  width:min(var(--w),82vw);
  transform:rotate(var(--r));
}
.gal--free .gal__rule{display:none}

/* ---------- 13. 五：つづき ---------- */
.chapter--insta{
  position:relative;overflow:hidden;
  padding:clamp(6rem,15vh,10rem) var(--pad) clamp(5rem,12vh,8rem);
  text-align:center;
}
.insta__bg{
  position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 20%,#000 80%,transparent 100%);
  mask-image:linear-gradient(to bottom,transparent 0,#000 20%,#000 80%,transparent 100%);
}
.insta__bg img{
  width:100%;height:100%;object-fit:cover;object-position:50% 60%;
  filter:blur(52px) saturate(.4) brightness(1.2);
  transform:scale(1.22);opacity:.34;
}
.insta__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(239,241,242,.62),rgba(226,237,243,.34) 46%,rgba(246,238,223,.5));
}
.insta{position:relative;max-width:46rem;margin-inline:auto}
.insta__orbs{position:absolute;inset:-4rem -2rem;pointer-events:none}
.orb{
  position:absolute;display:block;
  transform:translate3d(0,var(--py,0),0);
}
.orb img{
  width:100%;height:100%;object-fit:cover;border-radius:50%;
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000 58%,transparent 95%);
  mask-image:radial-gradient(circle at 50% 50%,#000 58%,transparent 95%);
}
.orb--1{width:clamp(3.6rem,9vw,6.4rem);aspect-ratio:1;left:-1%;top:6%}
.orb--1 img{object-position:45% 32%;animation:orbA 19s ease-in-out infinite}
.orb--2{width:clamp(3rem,7.5vw,5.4rem);aspect-ratio:1;right:-1%;top:44%}
.orb--2 img{object-position:42% 38%;animation:orbA 24s ease-in-out infinite 3s}
.orb--3{width:clamp(2.6rem,6vw,4.4rem);aspect-ratio:1;left:8%;bottom:6%}
.orb--3 img{object-position:50% 44%;animation:orbA 27s ease-in-out infinite 6s}
@keyframes orbA{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(.8rem,-1.5rem,0)}}

.insta .mark{justify-content:center}
.insta__lead{color:var(--ink);margin-bottom:clamp(1.8rem,5vh,2.8rem)}
.igbtn{
  display:inline-flex;align-items:center;gap:1rem;
  padding:1rem clamp(1.3rem,3.5vw,2rem);border-radius:999px;
  background:linear-gradient(112deg,#414F58,#4E606B 55%,#5C6E77);
  color:var(--c-10);text-align:left;
  box-shadow:0 1.2rem 2.6rem -1rem rgba(59,69,75,.55);
  transition:transform .4s var(--ease-cat),box-shadow .4s var(--ease),filter .4s var(--ease);
  max-width:100%;
}
.igbtn:hover,.igbtn:focus-visible{
  transform:translateY(-3px) scale(1.015);
  box-shadow:0 1.7rem 3.2rem -1rem rgba(59,69,75,.6);
  filter:saturate(1.06);
}
.igbtn:active{transform:translateY(0) scale(.995)}
.igbtn__ic{flex:none;width:1.6rem}
.igbtn__ic svg{width:100%;height:auto}
.igbtn__tx{display:grid;gap:.15rem;min-width:0}
.igbtn__tx b{font-size:clamp(.9rem,2.4vw,1.05rem);font-weight:700;letter-spacing:.06em}
.igbtn__tx small{font-family:var(--f-en);font-size:.7rem;letter-spacing:.09em;opacity:.82}
.igbtn__ar{font-family:var(--f-en);flex:none;transition:transform .4s var(--ease-cat)}
.igbtn:hover .igbtn__ar{transform:translateX(.35rem)}
.insta__hand{margin-top:clamp(1.8rem,5vh,2.6rem);color:var(--b-ink)}

/* ---------- 14. フッター ---------- */
.foot{
  position:relative;padding:clamp(3.5rem,9vh,6rem) var(--pad) clamp(2.2rem,6vh,3.4rem);
  background:linear-gradient(180deg,rgba(228,232,234,.7),rgba(246,238,223,.85));
  overflow:hidden;
}
.foot__in{max-width:var(--maxw);margin-inline:auto;display:grid;gap:1.5rem;justify-items:center;text-align:center}
.foot__logo{display:grid;gap:.35rem;justify-items:center}
.foot__logo small{font-family:var(--f-en);font-size:.66rem;letter-spacing:.42em;color:var(--ink-3)}
.foot__nav{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem 1.1rem}
.foot__nav a{
  font-size:.8rem;letter-spacing:.1em;color:var(--ink-2);
  padding:.35rem .5rem;border-radius:.5rem;position:relative;
}
.foot__nav a::after{
  content:"";position:absolute;left:.5rem;right:.5rem;bottom:.18rem;height:1px;
  background:var(--b-30);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .35s var(--ease);
}
.foot__nav a:hover::after,.foot__nav a:focus-visible::after{transform:scaleX(1)}
.foot__ig a{
  font-family:var(--f-en);font-size:.86rem;letter-spacing:.14em;color:var(--ink-deep);
  border-bottom:1px solid var(--b-30);padding-bottom:.15rem;
}
.foot__notice{
  font-size:.82rem;line-height:1.9;color:var(--ink);letter-spacing:.04em;
  padding:.85rem 1.2rem;border-radius:1rem;
  background:rgba(255,249,239,.72);
  box-shadow:inset 0 0 0 1px rgba(174,184,190,.34);
  max-width:34rem;
}
.foot__copy small{font-family:var(--f-en);font-size:.7rem;letter-spacing:.18em;color:var(--ink-3)}

/* ---------- 15. 出現アニメーション ----------
   transform は回転・視差（レイアウト）が使うため、
   出現の移動には独立プロパティ translate を使って両立させる。 */
.js:not([data-motion="calm"]) .reveal{
  opacity:0;translate:0 1.9rem;
  transition:opacity 1s var(--ease),translate 1.15s var(--ease-cat);
}
.js:not([data-motion="calm"]) .reveal.is-in{opacity:1;translate:none}
.js:not([data-motion="calm"]) .reveal--r{translate:2.2rem .8rem}
.js:not([data-motion="calm"]) .reveal--l{translate:-2.2rem .8rem}
.js:not([data-motion="calm"]) .reveal--flat{translate:none}
.js:not([data-motion="calm"]) [data-split] > i{
  opacity:0;transform:translate3d(0,.62em,0) rotate(4deg);
  transition:opacity .62s var(--ease),transform .86s var(--ease-cat);
  transition-delay:calc(var(--i) * 42ms);
}
.js:not([data-motion="calm"]) .is-in[data-split] > i,
.js:not([data-motion="calm"]) .is-in [data-split] > i{opacity:1;transform:none}

/* ---------- 16. レスポンシブ ---------- */
@media (max-width:1080px){
  .open__main{width:min(46vw,23rem)}
  .stack__main{width:min(44vw,21rem)}
  .stack__main--m{width:min(42vw,20rem)}
}

@media (max-width:899px){
  body{line-height:1.9}
  .nav{right:auto;left:0;width:100%;height:auto}
  .nav__toggle{display:inline-flex}
  .nav__panel{
    position:fixed;inset:0;height:100%;width:100%;
    flex-direction:column;justify-content:center;align-items:center;gap:.5rem;
    padding:5rem 1.4rem 2.4rem;
    background:linear-gradient(160deg,rgba(239,241,242,.97),rgba(226,237,243,.96) 46%,rgba(255,249,239,.97));
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    opacity:0;visibility:hidden;transform:translateY(-1.2rem);
    transition:opacity .38s var(--ease),transform .48s var(--ease-cat),visibility .38s;
  }
  .nav[data-open="true"] .nav__panel{opacity:1;visibility:visible;transform:none}
  .nav__head{writing-mode:horizontal-tb;letter-spacing:.42em;margin-bottom:1rem;font-size:.72rem}
  .nav__list{gap:.3rem;width:min(20rem,86%)}
  .nav__list a{
    justify-content:flex-start;gap:1rem;padding:.72rem .95rem;
    background:rgba(255,249,239,.55);box-shadow:inset 0 0 0 1px rgba(174,184,190,.3);
  }
  .nav__t{writing-mode:horizontal-tb;max-height:none;opacity:1;font-size:.92rem;letter-spacing:.14em;color:var(--ink)}
  .nav__motion{margin-top:1.6rem;padding:.7rem 1.2rem}
  .nav__motion-txt{writing-mode:horizontal-tb;max-height:none;font-size:.78rem}

  .chapter--open{min-height:auto;padding-top:clamp(5.5rem,16vh,8rem)}
  .open{grid-template-columns:1fr;gap:2.2rem;text-align:left}
  .open__stage{min-height:auto;order:2;margin-top:.5rem}
  .open__main{width:min(74vw,20rem);margin-left:0}
  .open__frag--a{left:-2%;top:2%;width:clamp(4rem,17vw,6rem)}
  .open__frag--b{right:0;bottom:2%;width:clamp(3.4rem,14vw,5rem)}
  .open__text{order:1}
  .bigword--open{top:2vh;font-size:clamp(4rem,21vw,9rem)}
  .bigword--mozuku{font-size:clamp(6rem,30vw,12rem);opacity:.1}
  .bigword--marimo{font-size:clamp(6rem,30vw,12rem);bottom:2vh;opacity:.09}

  .scene--intro,.scene--flip{grid-template-columns:1fr;gap:2.4rem}
  .scene--flip .scene__text,.scene--flip .scene__stage{order:0}
  .scene--flip .scene__text{padding-top:0}

  /* 大きな写真 → キャプション → 小さな写真の順に、重ならない縦一列で並べる */
  .scene__stage{
    min-height:0;height:auto;padding-bottom:0;
    display:flex;flex-direction:column;gap:clamp(1.5rem,4.5vw,2.3rem);
  }
  .stack__main{width:min(84vw,22rem);margin:0 0 0 auto}
  .stack__main--m{width:min(84vw,22rem);margin:0 auto 0 0}

  /* 円形の切り抜きをやめ、少し傾いた小さな写真カードとして通常フローへ置く。
     これでキャプション「赤いフリルと、黒いチュールのスカート。」に重ならない */
  .stack__round{
    position:static;margin:0 auto 0 0;width:min(52vw,12rem);
    aspect-ratio:auto;border-radius:.5rem;overflow:visible;
    padding:.5rem .5rem .45rem;
    background:linear-gradient(200deg,rgba(255,249,239,.96),rgba(246,238,223,.92));
    box-shadow:0 1.1rem 2.6rem -1.3rem rgba(70,81,88,.4);
    transform:translate3d(0,var(--py,0),0) rotate(-3.6deg);
  }
  .stack__round img{
    height:auto;aspect-ratio:4/3;border-radius:.3rem;
    object-fit:cover;object-position:62% 38%;transform:none;
  }
  .stack__side{position:static;right:auto;bottom:auto;margin:0 0 0 auto;width:min(52vw,12rem)}
  .whisk--m{display:none}

  /* 帯写真：下端のフェードと白い覆いを弱め、写真と本文の両方を読めるようにする */
  .band__media{
    -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 8%,#000 93%,transparent 100%);
    mask-image:linear-gradient(to bottom,transparent 0,#000 8%,#000 93%,transparent 100%);
  }
  .band__media img{height:auto;aspect-ratio:5/4;object-position:50% 28%}
  .band__wash{background:linear-gradient(190deg,rgba(255,249,239,.32),rgba(246,238,223,.04) 46%,rgba(217,222,225,.22))}
  .band__text{position:static;margin:1.4rem var(--pad) 0;max-width:none;text-shadow:none}
  .band__text::before{display:none}
  /* 負の上マージンを解除し、小カードを本文の「あと」に置く */
  .float-card{width:min(66vw,16.5rem);margin:clamp(1.6rem,5vw,2.4rem) var(--pad) 0 auto}
  .float-card .cap{font-size:.72rem;letter-spacing:.03em}

  .sky{display:block;min-height:0}
  .sky__body{display:block;padding:0;margin-top:0}
  .sky__media{width:100%;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 8%,#000 92%,transparent 100%);mask-image:linear-gradient(to bottom,transparent 0,#000 8%,#000 92%,transparent 100%)}
  .sky__media img{height:auto;aspect-ratio:1/1;object-position:48% 30%}
  /* 縦書き用の高さを確実に解除する（残っていると見出し下に大きな空白ができる） */
  .vtext{
    position:static;transform:none;writing-mode:horizontal-tb;
    height:auto;min-height:0;max-height:none;
    margin:1.4rem var(--pad) .5rem;
    text-shadow:none;font-size:clamp(1.3rem,5.6vw,1.9rem);letter-spacing:.08em;
  }
  .vtext br{display:none}
  .cap--sky{position:static;margin:0 var(--pad);max-width:none;text-align:left;text-shadow:none;color:var(--ink-2)}
  .wide-card{width:min(100%,30rem);margin-inline:auto}
  .scene--wide .hand{position:static;text-align:right;max-width:none;margin-top:.9rem}

  .duo__media img{height:auto;aspect-ratio:5/4;object-position:50% 54%}
  .duo__wash{background:linear-gradient(178deg,rgba(239,241,242,.95) 0%,rgba(239,241,242,.7) 26%,rgba(228,232,234,.22) 52%,rgba(246,238,223,.16) 100%)}
  .duo__head{position:static;transform:none;max-width:none;margin:1.4rem var(--pad) 0}
  .title--onphoto{text-shadow:none}

  .compare{grid-template-columns:1fr 1fr;gap:3rem 1.2rem}
  .compare__face{width:min(34vw,9rem);justify-self:center}
  .compare__face--l{order:1}
  .compare__face--r{order:2;margin-top:0}
  .compare__list{order:3;grid-column:1 / -1;margin-top:0}
  .compare__list li{grid-template-columns:minmax(0,1fr) 1.6rem minmax(0,1fr);padding:.6rem .7rem}
  .whisk--f{display:none}
  .arc text{font-size:2.4rem}

  .merge{height:clamp(9rem,40vw,12.5rem)}
  .merge__half{width:clamp(6.5rem,29vw,9.5rem)}

  .gal__item figcaption{max-width:100%}
  .gal__head .title{font-size:clamp(1.75rem,7vw,2.4rem)}

  /* アルバム：縦横比ごとに幅を決めて表示高さをそろえ、
     キャプション下に残る余白を最小にする（縦長は細く、横長は広く） */
  .gal--free .gal__item--tall{width:min(56vw,15.5rem)}
  .gal--free .gal__item--mid{width:min(62vw,17rem)}
  .gal--free .gal__item--zoom{width:min(74vw,20rem)}
  .gal--free .gal__item--wide{width:min(86vw,23rem)}
  .gal--free .gal__item--finale{width:min(86vw,23rem)}

  /* 顔に円形の境界が出る部分カラーは使わず、
     写真全体を低彩度にして、表示されたときに自然にカラーへ戻す */
  .ph__spot{display:none}
  .ph--spot > picture img{
    filter:saturate(.28) contrast(.99) brightness(1.02);
    transition:filter 1.6s var(--ease);
  }
  .ph--spot.is-tone > picture img{filter:none}
}

@media (max-width:520px){
  :root{--pad:1.15rem}
  .cue{font-size:.68rem;letter-spacing:.1em;gap:.6rem}
  .cue__line{width:2.2rem}
  .facts > div{grid-template-columns:5.2rem 1fr}
  .compare__list li{font-size:.78rem;padding:.55rem .6rem;border-radius:.9rem}
  .compare__a,.compare__b{line-height:1.6}

  /* 狭い画面で、末尾に一文字だけ残る改行が出ないよう文字寸法をそろえる */
  .open__lead br{display:none}
  .open__lead{text-wrap:pretty}
  .band__lead{font-size:clamp(.98rem,4.2vw,1.5rem);letter-spacing:.02em}
  .sub{font-size:clamp(1.25rem,5.2vw,1.9rem);letter-spacing:0}
  .title--insta{font-size:clamp(1.28rem,6vw,3.4rem)}
  .igbtn{gap:.7rem;padding:.9rem 1.1rem;width:100%}
  .igbtn__tx b{font-size:.9rem}
  .foot__notice{font-size:.8rem}
  .arc{width:100%}
  .arc text{font-size:2.9rem}
}

@media (max-width:360px){
  .facts > div{grid-template-columns:4.6rem 1fr}
  .facts dd{font-size:.84rem}
  .facts dt{letter-spacing:.12em}
  /* いちばん狭い画面でも、アルバムの説明コメントが1行で収まるようにする */
  .gal__item .cap{font-size:.76rem;letter-spacing:.03em}
  .gal__item .cap b{margin-right:.45rem}
}

/* ---------- 17. 動きをひかえめに ---------- */
[data-motion="calm"] .mist__l,
[data-motion="calm"] .dust,
[data-motion="calm"] .paw,
[data-motion="calm"] .ph--blob,
[data-motion="calm"] .orb img,
[data-motion="calm"] .logo em,
[data-motion="calm"] .cue__line::after{animation:none!important}
[data-motion="calm"] .veil{display:none}
[data-motion="calm"] *{scroll-behavior:auto!important}
[data-motion="calm"] .igbtn{transition:none}
[data-motion="calm"] .whisk path{stroke-dashoffset:0;transition:none}
[data-motion="calm"] .ph--mono img,
[data-motion="calm"] .ph--spot > picture img,
[data-motion="calm"] .float-card,
[data-motion="calm"] .wide-card{filter:none!important;transition:none}
[data-motion="calm"] html{scroll-behavior:auto}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .mist__l,.dust,.paw,.ph--blob,.orb img,.logo em,.cue__line::after{animation:none!important}
  .veil{display:none}
  .whisk path{stroke-dashoffset:0;transition:none}
  .ph--mono img,.ph--spot > picture img,.float-card,.wide-card{filter:none!important}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---------- 18. 印刷 ---------- */
@media print{
  .nav,.veil,.mist,.progress,.cue,.skip{display:none!important}
  body{background:#fff;color:#000}
  .gal__pin{position:static;height:auto}
  .gal__viewport{overflow:visible}
  .gal__track{flex-wrap:wrap;transform:none!important}
}

/* ---------- 19. 見出しの中の英字 ---------- */
.title .en{
  font-family:var(--f-en);font-style:normal;font-weight:600;
  letter-spacing:.005em;
}

/* ---------- 20. アルバムの写真にふれたとき ---------- */
.gal__item .ph{
  transition:translate .5s var(--ease-cat),filter .5s var(--ease);
}
@media (hover:hover){
  .gal__item:hover .ph{translate:0 -.5rem}
  .gal__item:hover .ph--mono img{filter:none}
}
.gal__item:active .ph{translate:0 -.25rem}
[data-motion="calm"] .gal__item .ph{transition:none}