/* KIWAMI JOURNAL — editorial / Vogue・NYT風 magazine sample
   palette: paper #f7f4ee / sumi #161616 / accent #b5302a
   fonts: Shippori Mincho (headings) + Zen Kaku Gothic New (body/meta) */

:root{
  --paper:#f7f4ee;
  --sumi:#161616;
  --accent:#b5302a;
  --line:#1616161f;
  --mute:#6b665d;
  --mincho:'Shippori Mincho',serif;
  --gothic:'Zen Kaku Gothic New',sans-serif;
  --mx:clamp(20px,5vw,80px);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--sumi);
  font-family:var(--gothic);
  font-weight:400;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

.rv{opacity:0;transform:translateY(26px);transition:opacity 1s ease,transform 1s cubic-bezier(.16,.84,.44,1)}
.rv.in{opacity:1;transform:none}

/* ===== masthead ===== */
.mast{
  padding:18px var(--mx) 0;
  border-bottom:2.5px solid var(--sumi);
}
.mast-top{
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--gothic);
  font-size:.72rem;letter-spacing:.12em;color:var(--mute);
  text-transform:uppercase;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.mast-top .mast-tag{color:var(--accent);font-weight:500}
.mast-logo{
  text-align:center;
  padding:clamp(18px,3.5vw,40px) 0 clamp(14px,2.5vw,26px);
}
.mast-logo a{
  font-family:var(--mincho);
  font-weight:800;
  font-size:clamp(2.6rem,9vw,6.4rem);
  letter-spacing:.01em;
  line-height:.9;
  display:inline-block;
}
.mast-logo .amp{color:var(--accent);margin:0 .06em}
.mast-nav{
  display:flex;justify-content:center;gap:clamp(20px,4vw,52px);
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:14px 0 16px;
  font-family:var(--mincho);
  font-size:1.02rem;font-weight:600;
}
.mast-nav a{position:relative;transition:color .25s}
.mast-nav a:hover{color:var(--accent)}
.mast-nav .nav-sub{
  font-family:var(--gothic);font-size:.82rem;font-weight:700;
  letter-spacing:.08em;color:var(--accent);
  border:1px solid var(--accent);border-radius:999px;
  padding:.25em 1.1em;line-height:1;align-self:center;
}
.mast-nav .nav-sub:hover{background:var(--accent);color:var(--paper)}

/* ===== feature hero (asymmetric) ===== */
.feature{
  display:grid;
  grid-template-columns:1.45fr 1fr;
  gap:clamp(28px,5vw,72px);
  align-items:center;
  padding:clamp(36px,6vw,82px) var(--mx);
}
.feat-media{position:relative;overflow:hidden}
.feat-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  filter:saturate(.96) contrast(1.02);
}
.feat-media::after{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px var(--line);
  pointer-events:none;
}
.kicker{
  display:inline-block;
  font-family:var(--gothic);
  font-size:.74rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);
  margin-bottom:.9em;
}
.feat-body h1{
  font-family:var(--mincho);
  font-weight:800;
  font-size:clamp(2.4rem,5.2vw,4.4rem);
  line-height:1.08;
  letter-spacing:.01em;
  margin-bottom:.55em;
}
.lead{
  font-size:1.04rem;line-height:1.95;color:#332f29;
  max-width:38ch;margin-bottom:1.4em;
}
.byline{
  font-size:.78rem;letter-spacing:.06em;color:var(--mute);
  margin-bottom:1.6em;
}
.read-more{
  font-family:var(--mincho);font-weight:600;font-size:1.02rem;
  border-bottom:2px solid var(--sumi);padding-bottom:.18em;
  transition:color .25s,border-color .25s;
}
.read-more .arw{color:var(--accent);transition:margin .25s}
.read-more:hover{color:var(--accent);border-color:var(--accent)}
.read-more:hover .arw{margin-left:.3em}

/* ===== section rule ===== */
.rule{
  display:flex;align-items:baseline;gap:18px;
  padding:0 var(--mx);margin:clamp(8px,2vw,24px) 0 clamp(20px,3vw,34px);
}
.rule::after{content:"";flex:1;height:1px;background:var(--sumi);opacity:.85}
.rule-label{
  font-family:var(--mincho);font-weight:700;
  font-size:clamp(1.3rem,2.6vw,1.9rem);
}
.rule-sub{
  font-family:var(--gothic);font-size:.72rem;font-weight:700;
  letter-spacing:.18em;color:var(--accent);text-transform:uppercase;
}

/* ===== article grid ===== */
.grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(20px,2.4vw,38px);
  padding:0 var(--mx) clamp(40px,6vw,80px);
}
.card-img{display:block;overflow:hidden;margin-bottom:1em;position:relative}
.card-img img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  transition:transform .9s cubic-bezier(.16,.84,.44,1);
  filter:saturate(.97);
}
.card:hover .card-img img{transform:scale(1.05)}
.card .cat{
  font-family:var(--gothic);font-size:.7rem;font-weight:700;
  letter-spacing:.14em;color:var(--accent);text-transform:uppercase;
  display:block;margin-bottom:.5em;
}
.card h2{
  font-family:var(--mincho);font-weight:600;
  font-size:clamp(1.12rem,1.5vw,1.32rem);
  line-height:1.42;margin-bottom:.7em;
}
.card h2 a{transition:color .25s}
.card:hover h2 a{color:var(--accent)}
.card .meta{
  font-size:.76rem;letter-spacing:.04em;color:var(--mute);
  padding-top:.7em;border-top:1px solid var(--line);
}

/* ===== editor's note ===== */
.note{
  background:var(--sumi);color:var(--paper);
  padding:clamp(56px,9vw,120px) var(--mx);
}
.note-inner{max-width:760px;margin:0 auto;text-align:center}
.note-mark{
  font-family:var(--gothic);font-size:.74rem;font-weight:700;
  letter-spacing:.22em;color:var(--accent);text-transform:uppercase;
  margin-bottom:1.6em;
}
.note blockquote{
  font-family:var(--mincho);font-weight:500;
  font-size:clamp(1.5rem,3.6vw,2.6rem);
  line-height:1.62;letter-spacing:.02em;
}
.note-by{
  margin-top:1.8em;font-size:.84rem;letter-spacing:.08em;
  color:#cfc8ba;
}

/* ===== newsletter ===== */
.news{
  padding:clamp(56px,9vw,120px) var(--mx);
  border-top:1px solid var(--line);
}
.news-inner{max-width:680px;margin:0 auto;text-align:center}
.kicker.light{color:var(--accent)}
.news h2{
  font-family:var(--mincho);font-weight:700;
  font-size:clamp(1.9rem,4.4vw,3rem);
  line-height:1.22;margin-bottom:.7em;
}
.news-lead{
  font-size:1rem;color:#332f29;line-height:1.95;
  max-width:46ch;margin:0 auto 2.2em;
}
.news-form{
  display:flex;gap:0;max-width:480px;margin:0 auto;
  border:2px solid var(--sumi);
}
.news-form input{
  flex:1;border:0;background:transparent;
  padding:.95em 1.2em;font-family:var(--gothic);font-size:.95rem;
  color:var(--sumi);outline:none;
}
.news-form input::placeholder{color:var(--mute)}
.news-form button{
  border:0;background:var(--sumi);color:var(--paper);
  font-family:var(--mincho);font-weight:600;font-size:.98rem;
  padding:0 1.7em;cursor:pointer;letter-spacing:.06em;
  transition:background .25s;
}
.news-form button:hover{background:var(--accent)}
.news-note{margin-top:1.3em;font-size:.74rem;color:var(--mute);letter-spacing:.04em}

/* ===== footer ===== */
.foot{
  background:var(--paper);
  border-top:2.5px solid var(--sumi);
  padding:clamp(34px,5vw,56px) var(--mx) clamp(28px,4vw,44px);
}
.foot-top{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:18px;
  padding-bottom:20px;border-bottom:1px solid var(--line);
}
.foot-logo{
  font-family:var(--mincho);font-weight:800;
  font-size:clamp(1.4rem,3vw,2rem);letter-spacing:.02em;
}
.foot-nav{display:flex;gap:clamp(16px,3vw,34px);flex-wrap:wrap;
  font-family:var(--mincho);font-weight:600;font-size:.98rem}
.foot-nav a:hover{color:var(--accent)}
.foot-meta{
  font-size:.82rem;color:var(--mute);letter-spacing:.04em;
  padding:18px 0;
}
.disc{
  font-size:.72rem;line-height:1.85;color:var(--mute);
  border-top:1px solid var(--line);padding-top:18px;
}
.disc a{color:var(--accent);text-decoration:underline}

/* ===== responsive ===== */
@media(max-width:900px){
  .feature{grid-template-columns:1fr;gap:24px}
  .feat-media img{aspect-ratio:16/10}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .mast-top{font-size:.62rem;gap:8px}
  .mast-top .mast-tag{display:none}
  .mast-nav{gap:16px;font-size:.95rem}
  .grid{grid-template-columns:1fr;gap:34px}
  .card-img img{aspect-ratio:4/3}
  .news-form{flex-direction:column;border:0;gap:10px}
  .news-form input{border:2px solid var(--sumi)}
  .news-form button{padding:.9em 1.7em;border:2px solid var(--sumi)}
}