/* ==========================================================================
   すてきな鳩ランド - 共通スタイルシート
   ========================================================================== */

:root{
  --yellow:#FFDC74;
  --yellow-light:#FFEEB5;
  --cream:#FFF9EA;
  --blue:#5A9BC4;
  --navy:#3D5568;
  --orange:#F0965A;
  --pigeon:#9BAFC0;
  --white:#FFFFFF;
  --radius:22px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'M PLUS Rounded 1c','Zen Maru Gothic',sans-serif;
  color:var(--navy);
  background:var(--cream);
  line-height:1.8;
  overflow-x:hidden;
}
h1,h2,h3{font-family:'Zen Maru Gothic',sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ===== ヘッダー ===== */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,249,234,.95);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(61,85,104,.18);
}
.header-inner{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
}
.logo{
  font-family:'Zen Maru Gothic';font-weight:900;font-size:1.15rem;
  letter-spacing:.06em;
}
nav ul{display:flex;list-style:none;align-items:center}
nav li{display:flex;align-items:center}
nav li + li::before{
  content:"";display:block;width:1px;height:16px;
  background:rgba(61,85,104,.35);
}
nav a{
  font-weight:700;font-size:.88rem;
  padding:6px 16px;
  transition:color .2s;
}
nav a:hover,nav a:focus-visible{color:var(--orange)}

/* ハンバーガー(SPのみ表示) */
.menu-btn{
  display:none;
  background:none;border:none;cursor:pointer;
  width:44px;height:44px;position:relative;z-index:210;
}
.menu-btn span{
  display:block;width:24px;height:3px;border-radius:2px;
  background:var(--navy);margin:5px auto;
  transition:transform .25s,opacity .25s;
}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== ドロワーメニュー ===== */
.drawer{
  position:fixed;top:0;right:0;z-index:200;
  width:min(84vw,340px);height:100dvh;
  background:var(--white);
  box-shadow:-6px 0 24px rgba(61,85,104,.18);
  transform:translateX(105%);
  transition:transform .3s ease;
  padding:76px 24px 24px;
  overflow-y:auto;
}
.drawer.open{transform:none}
.drawer ul{list-style:none;display:grid;gap:14px}
.drawer a{
  display:block;text-align:center;
  font-weight:900;font-size:1.02rem;
  padding:13px 10px;
  border:3px solid var(--yellow);
  border-radius:999px;
  background:var(--cream);
  transition:background .2s,transform .15s;
}
.drawer a:active{transform:scale(.97)}
.drawer a:hover{background:var(--yellow-light)}
.drawer-close{
  position:absolute;top:16px;right:16px;
  width:42px;height:42px;
  border:none;border-radius:50%;
  background:var(--yellow);color:var(--navy);
  font-size:1.15rem;font-weight:900;
  cursor:pointer;
  transition:transform .15s;
}
.drawer-close:active{transform:scale(.9)}
.drawer-overlay{
  position:fixed;inset:0;z-index:150;
  background:rgba(61,85,104,.35);
  opacity:0;pointer-events:none;transition:opacity .3s;
}
.drawer-overlay.show{opacity:1;pointer-events:auto}

/* ===== ふわっと表示(reveal) 共通 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}

/* ===== フッター ===== */
footer{
  background:var(--navy);color:var(--cream);
  padding:40px 20px 28px;text-align:center;
}
.foot-logo{display:flex;justify-content:center;margin-bottom:14px}
.foot-logo img{width:200px}
footer small{font-size:.78rem;opacity:.8}

/* ===== 上に戻るボタン ===== */
.back-to-top{
  position:fixed;right:20px;bottom:20px;z-index:150;
  width:52px;height:52px;border-radius:50%;
  background:var(--yellow);border:3px solid var(--navy);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  box-shadow:0 4px 0 var(--navy);
  opacity:0;transform:translateY(12px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background .2s;
}
.back-to-top::before{
  content:"";
  width:0;height:0;
  border-left:7px solid transparent;
  border-right:7px solid transparent;
  border-bottom:11px solid var(--navy);
  margin-top:-2px;
}
.back-to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{background:var(--yellow-light)}
.back-to-top:active{transform:translateY(2px);box-shadow:0 1px 0 var(--navy)}

/* ===== レスポンシブ共通 ===== */
@media(max-width:760px){
  nav{display:none}
  .menu-btn{display:block}
  .back-to-top{right:14px;bottom:14px;width:46px;height:46px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .drawer{transition:none}
  .splash{display:none}
}


/* ==========================================================================
   TOPページ (index.html)
   ========================================================================== */
.hero{
  background:var(--yellow);
  position:relative;
  overflow:hidden;
}
.hero-inner{
  max-width:1080px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;
  align-items:center;gap:12px;
  padding:56px 20px 0;
  min-height:620px;
}
.hero-text{padding-bottom:110px}
.hero-logo img{
  width:100%;max-width:460px;
  animation:fadeUp .9s ease both;
}
.hero-intro{
  margin-top:30px;max-width:420px;
  font-weight:700;font-size:.98rem;line-height:2.1;
  animation:fadeUp .9s .2s ease both;
}
.hero-visual{
  align-self:end;justify-self:center;
  animation:riseUp 1.1s .3s cubic-bezier(.22,.8,.36,1) both;
}
.hero-visual img{
  max-height:600px;width:auto;
  filter:drop-shadow(-14px 10px 0 rgba(61,85,104,.14));
}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes riseUp{from{opacity:0;transform:translateY(80px)}to{opacity:1;transform:none}}

/* 鳩の行進 */
.parade{
  position:absolute;left:0;bottom:14px;width:100%;
  height:64px;pointer-events:none;
}
.parade .hato{
  position:absolute;bottom:0;width:56px;height:56px;
  background:url('../images/common/nyaruhato.png') no-repeat center bottom/contain;
  animation:walk 22s linear infinite,bob .5s ease-in-out infinite alternate;
}
.parade .hato:nth-child(2){animation-delay:-3.5s,.12s;width:48px;height:48px}
.parade .hato:nth-child(3){animation-delay:-7s,.24s}
.parade .hato:nth-child(4){animation-delay:-10.5s,.05s;width:44px;height:44px}
.parade .hato:nth-child(5){animation-delay:-14s,.3s}
.parade .hato:nth-child(6){animation-delay:-17.5s,.18s;width:50px;height:50px}
@keyframes walk{from{left:-8%}to{left:104%}}
@keyframes bob{from{transform:translateY(0) scaleX(-1)}to{transform:translateY(-6px) scaleX(-1)}}

/* ===== セクション共通(TOP) ===== */
section{padding:72px 20px}
.inner{max-width:1080px;margin:0 auto}
.sec-title{
  font-size:1.7rem;font-weight:900;text-align:center;margin-bottom:36px;
  letter-spacing:.08em;
}

/* ===== ABOUT ===== */
.about-grid{
  display:grid;grid-template-columns:auto 1fr;gap:36px;align-items:center;
  background:var(--white);border-radius:var(--radius);
  border:3px solid var(--yellow);padding:32px;
}
.about-icon{
  width:200px;height:200px;border-radius:50%;
  background:var(--yellow);
  overflow:hidden;display:flex;align-items:center;justify-content:center;
}
.about-icon img{
  width:96%;height:auto;
}
.about-name{font-size:1.5rem;font-weight:900;margin-bottom:6px}
.about-name span{font-size:.85rem;font-weight:700;color:var(--blue);display:block}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.badge{
  background:var(--yellow-light);border-radius:999px;
  padding:6px 16px;font-weight:700;font-size:.88rem;
}
.about-more{
  display:inline-block;margin-top:8px;font-weight:700;color:var(--blue);
  border-bottom:2px dashed var(--blue);
}

/* ===== LINKS ===== */
.links{background:var(--white)}
.link-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:16px;
}
.link-btn{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  background:var(--cream);border:3px solid var(--yellow);
  border-radius:var(--radius);padding:22px 12px;
  font-weight:900;font-size:1.02rem;
  transition:transform .18s ease,box-shadow .18s ease,background .18s;
  position:relative;
  text-align: center;
}
.link-icon{width:30px;height:30px;display:block}
.link-btn:hover,.link-btn:focus-visible{
  transform:translateY(-6px);
  background:var(--yellow-light);
  box-shadow:0 8px 0 rgba(240,150,90,.35);
}
.link-btn::after{
  content:"";position:absolute;top:-26px;right:8px;width:36px;height:36px;
  background:url('../images/common/nyaruhato.png') no-repeat center bottom/contain;
  opacity:0;transform:translateY(8px);
  transition:opacity .18s,transform .18s;
}
.link-btn:hover::after{opacity:1;transform:translateY(0)}
.sub-links{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
}
.sub-links a,.sub-links span{
  font-size:.82rem;font-weight:700;color:var(--navy);
  background:var(--cream);border-radius:999px;padding:6px 16px;
  border:2px solid var(--pigeon);
}
.sub-links a:hover{background:var(--yellow-light)}
.sub-links .paused{opacity:.55}

/* ===== YouTube動画 ===== */
.video-wrap{
  max-width:720px;margin:0 auto;
  aspect-ratio:16/9;
  background:var(--white);border:3px solid var(--yellow);
  border-radius:var(--radius);padding:12px;
  overflow:hidden;
}
.video-wrap iframe{
  width:100%;height:100%;border:0;display:block;
  border-radius:calc(var(--radius) - 12px);
}

/* ===== オープニングスプラッシュ ===== */
.splash{
  position:fixed;inset:0;z-index:9999;
  background:var(--yellow);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  animation:splashOut .5s ease 1.4s forwards;
}
.splash-hato{
  position:absolute;top:50%;left:-220px;
  width:150px;height:auto;
  transform:translateY(-50%);
  animation:splashHatoMove .9s cubic-bezier(.45,0,.55,1) forwards;
}
@keyframes splashHatoMove{
  from{left:-220px}
  to{left:calc(100% + 220px)}
}
.splash-logo{
  width:min(60vw,340px);
  opacity:0;
  transform:translateY(20px);
  animation:splashLogoIn .6s ease .45s forwards;
}
@keyframes splashLogoIn{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes splashOut{
  from{opacity:1;visibility:visible}
  to{opacity:0;visibility:hidden;pointer-events:none}
}

/* ===== レスポンシブ(TOP / SP) ===== */
@media(max-width:760px){
  .hero-inner{
    grid-template-columns:1fr;
    padding:36px 20px 0;
    min-height:auto;gap:0;
  }
  .hero-text{padding-bottom:0}
  .hero-logo img{max-width:340px;margin:0 auto}
  .hero-intro{margin:22px auto 26px;font-size:.92rem}
  .hero-visual{margin-top:-34px;padding-bottom:0;position:relative;z-index:1}
  .hero-visual img{max-height:480px}
  .parade{bottom:0;height:52px;z-index:2}
  .parade .hato{width:44px;height:44px}
  .about-grid{grid-template-columns:1fr;text-align:center;justify-items:center;padding:26px 18px}
  .about-icon{width:160px;height:160px}
  .link-grid{grid-template-columns:repeat(2,1fr)}
}


/* ==========================================================================
   自己紹介ページ (personal.html)
   ========================================================================== */
/* ===== ページヒーロー(黄色バンド) ===== */
.page-hero{
  background:var(--yellow);
  padding:44px 20px 0;
  overflow:hidden;
}
.page-hero-inner{
  max-width:1080px;margin:0 auto;
  display:grid;grid-template-columns:1fr auto;
  align-items:end;gap:20px;
}
.page-hero-text{padding-bottom:40px}
.page-title{
  font-size:1.55rem;font-weight:900;letter-spacing:.1em;
  display:inline-block;
  background:var(--white);
  border-radius:999px;
  padding:8px 30px;
  box-shadow:0 5px 0 rgba(61,85,104,.18);
  animation:fadeUp .8s ease both;
}
.page-lead{
  margin-top:20px;max-width:520px;
  font-weight:700;
  animation:fadeUp .8s .15s ease both;
}
.page-hero-chibi{
  align-self:end;
  animation:riseUp 1s .25s cubic-bezier(.22,.8,.36,1) both;
}
.page-hero-chibi img{
  max-height:260px;width:auto;
}

/* ===== コンテンツ(自己紹介) ===== */
body.page-personal main{max-width:1080px;margin:0 auto;padding:56px 20px 0}

.card{
  background:var(--white);
  border:3px solid var(--yellow);
  border-radius:var(--radius);
  padding:26px 30px;
  margin-bottom:24px;
}
.card h2{
  font-size:1.2rem;font-weight:900;
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.card h2::before{
  content:"";width:12px;height:12px;border-radius:50%;
  background:var(--orange);
  flex-shrink:0;
}
.card:nth-of-type(even) h2::before{background:var(--blue)}
.list{padding-left:1.3rem;margin:0}
.list li{margin-bottom:8px}
.list li::marker{color:var(--orange)}
.card p + p{margin-top:8px}

/* ===== 看板鳩マーキー ===== */
.hato-marquee{
  margin-top:56px;
  background:var(--yellow);
  padding:34px 0 26px;
  overflow:hidden;
}
.marquee-track{
  display:flex;gap:48px;
  width:max-content;
  animation:marchRight 30s linear infinite;
}
.marquee-track img{
  width:150px;height:auto;flex-shrink:0;
}
/* 右方向へループ:JSが実測した1セット分の幅(--loop-width)だけ動かす */
@keyframes marchRight{
  from{transform:translateX(calc(-1 * var(--loop-width, 600px)))}
  to{transform:translateX(0)}
}

/* ===== レスポンシブ(自己紹介 / SP) ===== */
@media(max-width:760px){
  .page-hero-inner{grid-template-columns:1fr;justify-items:center;text-align:center}
  .page-hero-text{padding-bottom:0}
  .page-hero-chibi img{max-height:210px}
  .card{padding:22px 20px}
  .marquee-track img{width:120px}
}


/* ==========================================================================
   404ページ (404.html)
   ========================================================================== */
body.page-404{
  min-height:100dvh;
  display:flex;flex-direction:column;
}
body.page-404 main{
  flex:1;
  display:flex;align-items:center;justify-content:center;
  padding:60px 20px;
  text-align:center;
}
.notfound .hato{
  width:110px;margin:0 auto 10px;
  animation:bob404 .6s ease-in-out infinite alternate;
}
@keyframes bob404{from{transform:translateY(0)}to{transform:translateY(-8px)}}
.notfound h1{
  font-size:1.6rem;font-weight:900;margin-bottom:10px;
}
.notfound p{
  font-weight:700;margin-bottom:28px;
}
.back-btn{
  display:inline-block;
  font-weight:900;font-size:1.05rem;
  background:var(--yellow);
  border:3px solid var(--navy);
  border-radius:999px;
  padding:14px 44px;
  transition:transform .18s,box-shadow .18s,background .18s;
  box-shadow:0 5px 0 var(--navy);
}
.back-btn:hover,.back-btn:focus-visible{
  transform:translateY(-3px);
  box-shadow:0 8px 0 var(--navy);
  background:var(--yellow-light);
}
.back-btn:active{transform:translateY(2px);box-shadow:0 2px 0 var(--navy)}


/* ==========================================================================
   ギャラリーページ (gallery.html)
   ========================================================================== */
body.page-gallery main{max-width:1080px;margin:0 auto;padding:40px 20px 72px}

/* ===== タブ ===== */
.tabs{
  display:flex;gap:12px;justify-content:center;
  margin-bottom:32px;flex-wrap:wrap;
}
.tab{
  font-family:inherit;
  font-weight:900;font-size:1.02rem;
  color:var(--navy);
  background:var(--white);
  border:3px solid var(--yellow);
  border-radius:999px;
  padding:10px 34px;
  cursor:pointer;
  transition:background .2s,transform .15s,box-shadow .15s;
}
.tab:hover{transform:translateY(-3px)}
.tab[aria-selected="true"]{
  background:var(--yellow);
  box-shadow:0 5px 0 rgba(61,85,104,.18);
}

/* ===== ギャラリーグリッド ===== */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:16px;
}
.art{
  margin:0;
  border-radius:18px;
  overflow:hidden;
  border:3px solid var(--yellow);
  background:var(--white);
  cursor:zoom-in;
  transition:transform .18s ease,box-shadow .18s ease;
  animation:pop .4s ease both;
}
.art:hover{
  transform:translateY(-5px);
  box-shadow:0 8px 0 rgba(240,150,90,.3);
}
.art img{
  width:100%;height:230px;
  object-fit:cover;
  display:block;
}
.art[hidden]{display:none}
@keyframes pop{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:none}}

.empty{
  text-align:center;font-weight:700;color:var(--pigeon);
  padding:40px 0;
}

/* ===== ライトボックス ===== */
.lightbox{
  position:fixed;inset:0;z-index:300;
  background:rgba(61,85,104,.82);
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
}
.lightbox.show{opacity:1;pointer-events:auto}
.lightbox img{
  max-width:92vw;max-height:86vh;
  width:auto;height:auto;
  border-radius:14px;
  border:4px solid var(--white);
  box-shadow:0 20px 60px rgba(0,0,0,.4);
  transform:scale(.96);
  transition:transform .25s ease;
}
.lightbox.show img{transform:none}
.lightbox-close{
  position:absolute;top:18px;right:18px;
  width:48px;height:48px;
  border:none;border-radius:50%;
  background:var(--white);color:var(--navy);
  font-size:1.4rem;font-weight:900;
  cursor:pointer;
  transition:transform .15s;
}
.lightbox-close:hover{transform:rotate(90deg)}

/* ===== レスポンシブ(ギャラリー / SP) ===== */
@media(max-width:760px){
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .art img{height:160px}
  .tab{padding:9px 24px;font-size:.95rem}
}